CN110311451A

CN110311451A - Control method, system, equipment and the storage medium of the charge and discharge of echelon battery

Info

Publication number: CN110311451A
Application number: CN201910707788.2A
Authority: CN
Inventors: 陆庆; 杜志超; 黄生; 马同飞
Original assignee: Shanghai Electric Distributed Energy Technology Co Ltd
Current assignee: Shanghai Electric Distributed Energy Technology Co Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2019-10-08
Anticipated expiration: 2039-08-01
Also published as: CN110311451B

Abstract

The invention discloses control method, system, equipment and the storage medium of a kind of charge and discharge of echelon battery, the control method includes being divided into N number of period in the entire charging-discharging cycle by echelon battery；Obtain state-of-charge；Obtain target voltage mutation time section；Obtain the first monomer voltage；Obtain the increment of the first change rate；Obtain the first charge and discharge magnitude；Obtain time optimal control point；Echelon battery is obtained in the corresponding target power of time optimal control point；Echelon battery is controlled in the charge and discharge duration of time optimal control point according to target power；By obtaining charge and discharge latter stage corresponding time optimal control point in the present invention, and then adjust the target power of the time optimal control point, so that echelon battery is in the charging of identical charge and discharge section, to put duration longer, discharge and recharge also gets a promotion, also the efficiency for charge-discharge of echelon battery is improved while improving stability, and then improves the economic benefit of energy-accumulating power station entirety.

Description

Control method, system, equipment and the storage medium of the charge and discharge of echelon battery

Technical field

The present invention relates to technical field of battery management, in particular to a kind of control method of the charge and discharge of echelon battery is System, equipment and storage medium.

Background technique

With the support energetically of national policy, the commercialized development of energy-accumulating power station already steps into fast traffic lane, how to mention therewith Economic benefit of the especially all types of echelon battery of power battery in terms of business energy-accumulating power station peak load shifting is risen, is also obtained Generally concern and widely discussion and research in the industry.

Currently, occurring in many measures for this problem in industry, wherein mainly optimizing charge and discharge by software strategy Electrical efficiency then promotes economy, and the core concept of the technological means is mainly to pass through to acquire the charge-discharge characteristic of each battery and filling Discharge regime carries out tactful intervention (such as four-part form charging, flexible charging technique).And echelon battery is compared to traditional new electricity There are biggish difference, echelon batteries often there is the case where voltage cataclysm in charge and discharge process for the charge-discharge characteristic in pond, this is just It will cause energy-accumulating power station and cause monomer voltage or the voltage cataclysm of battery pack end because charge-discharge electric power is larger in charge and discharge process The problems such as probability of shutdown is consequently increased, therefore less economical is also more prominent.

The existing main state-of-charge by acquiring echelon battery measures charge and discharge space and then adjusts charge-discharge electric power, Power conversion, the pass of charge-discharge electric power and charge and discharge space are carried out to each branch specifically according to the charge and discharge space of echelon battery System's conversion is relatively easy, i.e. the program allowance that mainly considers charge and discharge, and there are biggish experience deviations；Only simply by The conversion in charge and discharge space and charge-discharge electric power effectively can not cause voltage rapid for echelon battery due to controllable factors such as power The problems such as change system shuts down in advance, is less economical；Can not be formed for various types of echelon batteries one it is adaptive general The control strategy of charge and discharge.

Summary of the invention

The technical problem to be solved by the present invention is to can not efficiently solve echelon battery in the prior art in order to overcome and filling The defects of voltage cataclysm is to easily cause energy-accumulating power station to shut down, occurs for electric discharge latter stage, provides a kind of control of the charge and discharge of echelon battery Method, system, equipment and storage medium processed.

The present invention is to solve above-mentioned technical problem by following technical proposals:

The present invention provides a kind of control method of the charge and discharge of echelon battery, and the control method includes:

N number of period will be divided into the entire charging-discharging cycle of echelon battery；Wherein, N >=1 and N round numbers；

Obtain each period of the echelon battery in the entire charging-discharging cycle in the case where setting charge-discharge electric power Corresponding state-of-charge；

Echelon battery corresponding target voltage mutation time section is obtained according to the state-of-charge；Wherein, described Target voltage mutation time section includes M time control point, M >=1 and M round numbers；

Obtain under the setting charge-discharge electric power echelon battery in target voltage mutation time section Corresponding first monomer voltage in each time control point and the first charge and discharge magnitude；

Obtain the corresponding first change rate increment of the first monomer voltage described in the echelon battery；

First change rate increment is met into the first setting condition and the first charge and discharge magnitude meets the second setting The time control point of condition is as time optimal control point；

Wherein, the time optimal control point is opposite with the voltage jump point in target voltage mutation time section It answers；

The echelon battery is obtained in the corresponding target power step-length of the time optimal control point；

Target power is obtained according to the target power step-length and the setting charge-discharge electric power；

The echelon battery is controlled in the charge and discharge duration of the time optimal control point according to the target power；

Wherein, when the charge and discharge in target voltage mutation time section of the target power and the echelon battery Length is negatively correlated.

Preferably, described obtain echelon battery corresponding target voltage mutation time section according to the state-of-charge The step of include:

The time interval that the period that the state-of-charge meets third setting condition is constituted is as initial voltage Mutation time section；

Target voltage mutation time section is obtained according to initial voltage mutation time section.

Preferably, the time interval that the period that the state-of-charge is met third setting condition is constituted is made Include: for the step of initial voltage mutation time section

When the echelon battery is in charged state, the state-of-charge is greater than the multiple described of the first given threshold The time interval that period is constituted is as initial voltage mutation time section；

It is when the echelon battery is in discharge condition, the state-of-charge is multiple described less than the second given threshold The time interval that period is constituted is as initial voltage mutation time section；

Wherein, first given threshold is greater than second given threshold.

Preferably, described obtain target voltage mutation time section according to initial voltage mutation time section Step includes:

Obtain the corresponding second comonomer voltage of each period in initial voltage mutation time section；

Obtain the corresponding second change rate increment of second comonomer voltage described in the echelon battery；

When the period, the corresponding second change rate increment meets the first setting range and the battery charge shape When state meets the 5th and imposes a condition, target time section and the time interval that constitutes the target time section are obtained as the ladder Primary cell corresponding target voltage mutation time section；

Wherein, initial voltage mutation time section includes target voltage mutation time section.

Preferably, it includes being greater than third to set that the described 5th, which imposes a condition, when the echelon battery is in charged state Threshold value；

When the echelon battery is in discharge condition, the 5th setting condition includes less than the 4th given threshold；

Wherein, the third given threshold is greater than first given threshold, and the 4th given threshold is less than described the Two given thresholds.

Preferably, it is described by first change rate increment meet first impose a condition and the first charge and discharge magnitude expire Before the step of time control point that foot second imposes a condition is as time optimal control point further include:

Preset the corresponding first discharge and recharge target value of the echelon battery；

It is described that first change rate increment is met into the first setting condition and the first charge and discharge magnitude satisfaction second The time control point to impose a condition includes: as the step of time optimal control point

First change rate increment is met into the second setting range and the first charge and discharge magnitude is immediate described The time control point of first discharge and recharge target value is as time optimal control point；

It is described that the echelon battery is controlled in the charge and discharge duration of the time optimal control point according to the target power The step of after further include:

The echelon battery, which is controlled, according to the target power reaches institute in the discharge and recharge of the time optimal control point State the first discharge and recharge target value.

Preferably, described obtain echelon battery corresponding target voltage mutation time section according to the state-of-charge The step of before further include:

Obtain the first multiple and different charge-discharge electric powers；

The echelon battery is obtained under different first charge-discharge electric powers, it is every in the entire charging-discharging cycle A period corresponding Third monomer voltage and group end voltage；

Obtain Third monomer voltage described in the echelon battery under different first charge-discharge electric powers corresponding The increment of three change rates；

Third change rate increment is met into third setting range and described group of end voltage is no more than overvoltage of direct current Corresponding first charge-discharge electric power is as optimal charge-discharge electric power when protection value；

It is described to obtain in each in the entire charging-discharging cycle of echelon battery described under setting charge-discharge electric power Between section corresponding state-of-charge the step of include:

When obtaining each in the entire charging-discharging cycle of the echelon battery under the optimal charge-discharge electric power Between the corresponding state-of-charge of section.

Preferably, described obtain the echelon battery under different first charge-discharge electric powers, the entire charge and discharge Each of in the electric period period corresponding Third monomer voltage and the step of group end voltage after further include:

It presets the corresponding initial charge/discharge amount target value of the entire charging-discharging cycle of the echelon battery and initially fills Electric discharge operation duration；

For the same initial charge/discharge amount target value and the initial charge/discharge operation duration, to each described first Charge-discharge electric power is fitted processing with the corresponding Third monomer voltage and described group of end voltage, obtains relational model；

Wherein, corresponding first coefficient of coup of the relational model；

It is described by third change rate increment meet third setting range and described group of end voltage to be no more than direct current excessively electric After the step of corresponding first charge-discharge electric power is as optimal charge-discharge electric power when the protection value of pressure further include:

First coefficient of coup for determining the corresponding relational model of the optimal charge-discharge electric power is optimal coupling Coefficient.

Preferably, described obtain the echelon battery in the step of the corresponding target power step-length of the time optimal control point Suddenly include:

According to the optimal charge-discharge electric power, the optimal coefficient of coup, the first discharge and recharge target value and institute The corresponding first change rate increment of time optimal control point is stated, obtains the echelon battery in the time optimal control point The corresponding target power step-length；

It is described to include: according to the step of target power step-length and setting charge-discharge electric power acquisition target power

The target power step-length and the setting charge-discharge electric power are overlapped, the target power is calculated.

Preferably, it is described by first change rate increment meet first impose a condition and the first charge and discharge magnitude expire The time control point that foot second imposes a condition includes: as the step of time optimal control point

First change rate increment is met by the first setting condition and the first charge and discharge magnitude using ant group algorithm Meet the time control point of the second setting condition as time optimal control point；And/or

It is described by third change rate increment meet third setting range and described group of end voltage to be no more than direct current excessively electric Corresponding first charge-discharge electric power includes: as the step of optimal charge-discharge electric power when the protection value of pressure

Third change rate increment is met by third setting range using ant group algorithm and described group of end voltage is no more than Corresponding first charge-discharge electric power is as optimal charge-discharge electric power when the protection value of overvoltage of direct current.

The present invention also provides a kind of control system of the charge and discharge of echelon battery, the control system includes dividing the period Module, state-of-charge obtain module, object time section obtains module, the first monomer data acquisition module, the first increment acquisition Module, the first charge value obtain module, optimum control clicks modulus block, target power step-length obtains module, target power obtains Module and control module；

The period division module is for will be divided into N number of period in the entire charging-discharging cycle of echelon battery；Its In, N >=1 and N round numbers；

The state-of-charge obtain module for obtain in the case where set charge-discharge electric power the echelon battery it is described entirely Corresponding state-of-charge of each period in charging-discharging cycle；

The object time section obtains module and is used to obtain the corresponding mesh of the echelon battery according to the state-of-charge Mark voltage jump time interval；Wherein, target voltage mutation time section includes M time control point, M >=1 and M rounding Number；

The first monomer data acquisition module exists for obtaining the echelon battery under the setting charge-discharge electric power Corresponding first monomer voltage in the time control point and the first charge and discharge each of in target voltage mutation time section Magnitude；

First increment obtains module for obtaining the first monomer voltage corresponding first described in the echelon battery Change rate increment；

The optimum control click modulus block for will first change rate increment meet first setting condition and it is described First charge and discharge magnitude meets the time control point of the second setting condition as time optimal control point；

It is corresponding in the time optimal control point for obtaining the echelon battery that the target power step-length obtains module Target power step-length；

The target power obtains module and is used to be obtained according to the target power step-length and the setting charge-discharge electric power Target power；

The control module is used to control the echelon battery in the time optimal control point according to the target power Charge and discharge duration；

Preferably, it includes initial time interval acquiring unit and object time section that the object time section, which obtains module, Acquiring unit；

The initial time interval acquiring unit is used to meet the state-of-charge time of third setting condition The time interval that section is constituted is as initial voltage mutation time section；

Object time section acquiring unit is used to obtain the target according to initial voltage mutation time section Voltage jump time interval.

Preferably, the initial time interval acquiring unit is used for when the echelon battery is in charged state, by institute The time interval that state-of-charge is constituted greater than multiple periods of the first given threshold is stated to be mutated as the initial voltage Time interval；The initial time interval acquiring unit is used for when the echelon battery is in discharge condition, will be described charged The time interval that state was constituted less than multiple periods of the second given threshold is as initial voltage mutation time area Between；

Wherein, first given threshold is greater than second given threshold.

Preferably, object time section acquiring unit includes that second comonomer voltage obtains subelement, the second change rate Increment obtains subelement and object time section obtains subelement；

It is each described in initial voltage mutation time section for obtaining that the second comonomer voltage obtains subelement Period corresponding second comonomer voltage；

The second change rate increment obtains subelement for obtaining second comonomer voltage pair described in the echelon battery The the second change rate increment answered；

The object time section obtains subelement and is used for when the period corresponding second change rate increment is full When the first setting range of foot and the battery charge state meet the 5th and impose a condition, target time section is obtained and by the target The time interval that period is constituted is as echelon battery corresponding target voltage mutation time section；

Preferably, the control system further includes the first presetting module；

First presetting module is for presetting the corresponding first discharge and recharge target value of the echelon battery；

The optimum control clicks modulus block for will first change rate increment satisfaction the second setting range and described The time control point of the immediate first discharge and recharge target value of first charge and discharge magnitude is as time optimal control Point；

The control module is also used to control the echelon battery in the time optimal control according to the target power The discharge and recharge of point reaches the first discharge and recharge target value.

Preferably, the control system further includes the first power acquisition module, voltage obtains module, third increment obtains mould Block and optimal power obtain module；

First power acquisition module is for obtaining the first multiple and different charge-discharge electric powers；

The voltage obtains module and is used to obtain the echelon battery under different first charge-discharge electric powers, described The period corresponding Third monomer voltage and group end voltage each of in entire charging-discharging cycle；

The third increment obtains module for obtaining the echelon battery under different first charge-discharge electric powers Described in the corresponding third change rate increment of Third monomer voltage；

The optimal power obtains module and is used to third change rate increment meeting third setting range and described group Corresponding first charge-discharge electric power is as optimal charge-discharge electric power when holding voltage no more than the protection value of overvoltage of direct current；

The state-of-charge obtains module for obtaining under the optimal charge-discharge electric power echelon battery described Corresponding state-of-charge of each period in entire charging-discharging cycle.

Preferably, the control system further includes the second presetting module, relationship module obtains module and optimal coefficient obtains Module；

The entire charging-discharging cycle of second presetting module for presetting the echelon battery is corresponding initially to be filled Discharge capacity target value and initial charge/discharge operation duration；

The relationship module obtains module and is used for for the same initial charge/discharge amount target value and the initial charge and discharge Electricity operation duration carries out each first charge-discharge electric power with the corresponding Third monomer voltage and described group of end voltage Process of fitting treatment obtains relational model；

Wherein, corresponding first coefficient of coup of the relational model；

The optimal coefficient obtains the institute that module is used to determine the corresponding relational model of the optimal charge-discharge electric power Stating first coefficient of coup is the optimal coefficient of coup.

It is used for preferably, the target power step-length obtains module according to the optimal charge-discharge electric power, the optimal coupling Collaboration number, the first discharge and recharge target value and the corresponding first change rate increment of time optimal control point, The echelon battery is obtained in the corresponding target power step-length of the time optimal control point；

The target power obtains module for folding the target power step-length and the setting charge-discharge electric power Add and the target power is calculated.

Preferably, the optimum control click modulus block for using ant group algorithm will first change rate increment satisfaction First setting condition and the first charge and discharge magnitude meet the time control point of the second setting condition as optimal time Control point；And/or

The optimal power obtains module and is used to that third change rate increment to be met third setting using ant group algorithm Range and described group of end voltage are no more than when the protection value of overvoltage of direct current corresponding first charge-discharge electric power as optimal Charge-discharge electric power.

The present invention also provides a kind of electronic equipment, including memory, processor and storage on a memory and can handled The computer program run on device, the processor realize the control of the charge and discharge of above-mentioned echelon battery when executing computer program Method processed.

The present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the computer journey The step of control method of the charge and discharge of above-mentioned echelon battery is realized when sequence is executed by processor.

The positive effect of the present invention is that:

In the present invention, by ant group algorithm obtain optimal charge-discharge electric power of the echelon battery in entire charging-discharging cycle and The optimal coefficient of coup, and echelon battery is obtained in the corresponding time optimal control of voltage jump time interval by ant group algorithm Point, and then the time optimal control point is controlled using target power, keep it gentler in charge and discharge latter stage, avoids Because of the case where monomer voltage mutation leads to equipment downtime generation, the stability of equipment is improved；Realize echelon battery in phase simultaneously With the charging of charge and discharge section put that duration is longer, and discharge and recharge also gets a promotion, improve voltage jump time interval monomer electricity It buckles line, improves the efficiency for charge-discharge of echelon battery, and then improve the economic benefit of energy-accumulating power station entirety.

Detailed description of the invention

Fig. 1 is the flow chart of the control method of the charge and discharge of the echelon battery of the embodiment of the present invention 1.

Fig. 2 is the flow chart of the control method of the charge and discharge of the echelon battery of the embodiment of the present invention 2.

Fig. 3 is the first pass figure of the control method of the charge and discharge of the echelon battery of the embodiment of the present invention 3.

Fig. 4 is the second flow chart of the control method of the charge and discharge of the echelon battery of the embodiment of the present invention 3.

Fig. 5 be the embodiment of the present invention 3 different echelon batteries charge and discharge strategy under monomer voltage variation schematic diagram.

Fig. 6 is the first data of echelon lithium battery in the control method of the charge and discharge of the echelon battery of the embodiment of the present invention 3 Distribution schematic diagram.

Fig. 7 is the second data of echelon lithium battery in the control method of the charge and discharge of the echelon battery of the embodiment of the present invention 3 Distribution schematic diagram.

Fig. 8 is the third data of echelon lithium battery in the control method of the charge and discharge of the echelon battery of the embodiment of the present invention 3 Distribution schematic diagram.

Fig. 9 is the 4th data of echelon lithium battery in the control method of the charge and discharge of the echelon battery of the embodiment of the present invention 3 Distribution schematic diagram.

Figure 10 is the 5th data of echelon lithium battery in the control method of the charge and discharge of the echelon battery of the embodiment of the present invention 3 Distribution schematic diagram.

Figure 11 is the module diagram of the control system of the charge and discharge of the echelon battery of the embodiment of the present invention 4.

Figure 12 is the module diagram of the control system of the charge and discharge of the echelon battery of the embodiment of the present invention 5.

Figure 13 is the module diagram of the control system of the charge and discharge of the echelon battery of the embodiment of the present invention 6.

Figure 14 is the structure of the electronic equipment of the control method of the charge and discharge of the realization echelon battery in the embodiment of the present invention 7 Schematic diagram.

Specific embodiment

The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality It applies among a range.

Embodiment 1

As shown in Figure 1, the control method of the charge and discharge of the echelon battery of the present embodiment includes:

S101, N number of period will be divided into the entire charging-discharging cycle of echelon battery；Wherein, N >=1 and N round numbers；

Wherein, echelon battery includes but is not limited to lithium electricity battery, lead carbon battery, vanadium flow battery.

S102, acquisition are corresponding in each period of the setting charge-discharge electric power descending stair primary cell in entire charging-discharging cycle State-of-charge；

S103, echelon battery corresponding target voltage mutation time section is obtained according to state-of-charge；Wherein, target voltage Mutation time section includes M time control point, M >=1 and M round numbers；

S104, it obtains in each time for setting charge-discharge electric power descending stair primary cell in target voltage mutation time section Corresponding first monomer voltage in control point and the first charge and discharge magnitude；

S105, the corresponding first change rate increment of the first monomer voltage in echelon battery is obtained；

S106, the increment of the first change rate is met to the first setting condition and the second setting condition of the first charge and discharge magnitude satisfaction Time control point as time optimal control point；

Wherein, time optimal control point is corresponding with the voltage jump point in target voltage mutation time section；

S107, echelon battery is obtained in the corresponding target power step-length of time optimal control point；

S108, target power is obtained according to target power step-length and setting charge-discharge electric power；

S109, echelon battery is controlled in the charge and discharge duration of time optimal control point according to target power；

Wherein, target power and charge and discharge duration of the echelon battery in target voltage mutation time section are negatively correlated.

In the present embodiment, optimal charge-discharge electric power of the echelon battery in entire charging-discharging cycle is obtained by ant group algorithm With the optimal coefficient of coup, and by ant group algorithm obtain echelon battery in the corresponding time optimal control of voltage jump time interval Point, and then the time optimal control point is controlled using target power, keep it gentler in charge and discharge latter stage, avoids Because of the case where monomer voltage mutation leads to equipment downtime generation, the stability of equipment is improved；Realize echelon battery in phase simultaneously With the charging of charge and discharge section put that duration is longer, and discharge and recharge also gets a promotion, improve voltage jump time interval monomer electricity It buckles line, improves the efficiency for charge-discharge of echelon battery, and then improve the economic benefit of energy-accumulating power station entirety.

Embodiment 2

As shown in Fig. 2, the control method of the charge and discharge of the echelon battery of the present embodiment is further changing to embodiment 1 Into specifically:

Step S103 includes:

The time interval that S1031, the period that state-of-charge is met to third setting condition are constituted is dashed forward as initial voltage Become time interval；

Specifically, when echelon battery is in charged state, state-of-charge is greater than to multiple times of the first given threshold The time interval that section is constituted is as initial voltage mutation time section；

When echelon battery is in discharge condition, state-of-charge is constituted less than multiple periods of the second given threshold Time interval is as initial voltage mutation time section；

Wherein, the first given threshold is greater than the second given threshold.

S1032, target voltage mutation time section is obtained according to initial voltage mutation time section.

Specifically, each period corresponding second comonomer voltage in initial voltage mutation time section is obtained；

Obtain the corresponding second change rate increment of second comonomer voltage in echelon battery；

When period corresponding second change rate increment the first setting range of satisfaction and battery charge state meets the 5th and sets When fixed condition, target time section is obtained and using the time interval of target time section composition as the corresponding target voltage of echelon battery Mutation time section；

Wherein, initial voltage mutation time section includes target voltage mutation time section, i.e. target voltage mutation time The corresponding period quantity in section is less than N.

When echelon battery is in charged state, it includes being greater than third given threshold that the 5th, which imposes a condition,；

When echelon battery is in discharge condition, the 5th setting condition includes less than the 4th given threshold.

Wherein, third given threshold is greater than the first given threshold, and the 4th given threshold is less than the second given threshold

First given threshold, the second given threshold, third given threshold and the 4th given threshold can be according to practical need It asks and is adjusted.

After step S105, before step S106 further include:

S1060, the default corresponding first discharge and recharge target value of echelon battery；

Step S106 includes:

S1061, the first change rate, which rises in value, to be met the second setting range and the first charge and discharge magnitude immediate first and fills The time control point of discharge capacity target value is as time optimal control point.

Specifically, the increment of the first change rate is met by the first setting condition using ant group algorithm and the first charge and discharge magnitude is expired The time control point that foot second imposes a condition is as time optimal control point.

After step S109 further include:

Echelon battery, which is controlled, according to target power reaches the first discharge and recharge mesh in the discharge and recharge of time optimal control point Scale value.

Embodiment 3

The control method of the charge and discharge of the echelon battery of the present embodiment is the further improvement to embodiment 2, specifically:

As shown in figure 3, before step S101 further include:

S10101, the first multiple and different charge-discharge electric powers is obtained；

S10102, echelon battery is obtained under the first different charge-discharge electric powers, when each in entire charging-discharging cycle Between the corresponding Third monomer voltage of section and group end voltage；

S10103, the corresponding third change of the Third monomer voltage in the first different charge-discharge electric power descending stair primary cells is obtained Rate increment；

S10104, the increment of third change rate is met into third setting range and organizes the guarantor that end voltage is no more than overvoltage of direct current Corresponding first charge-discharge electric power is as optimal charge-discharge electric power when shield value；

Specifically, the increment of third change rate is met by third setting range using ant group algorithm and group end voltage is no more than directly Corresponding first charge-discharge electric power is flowed through when the protection value of voltage as optimal charge-discharge electric power.

Step S102 includes:

Obtain the corresponding lotus of each period in optimal charge-discharge electric power descending stair primary cell in entire charging-discharging cycle Electricity condition.

After step S10104 further include:

The corresponding initial charge/discharge amount target value of entire charging-discharging cycle and initial charge and discharge of S10105, default echelon battery Electricity operation duration；

S10106, for same initial charge/discharge amount target value and initial charge/discharge operation duration, to each first charge and discharge Electrical power is fitted processing with corresponding Third monomer voltage and group end voltage, obtains relational model；

Wherein, corresponding first coefficient of coup of relational model；

S10107, first coefficient of coup for determining the corresponding relational model of optimal charge-discharge electric power are the optimal coefficient of coup.

As shown in figure 4, step S107 includes:

S1071, according to optimal charge-discharge electric power, the optimal coefficient of coup, the first discharge and recharge target value and optimal time The corresponding first change rate increment in control point, obtains echelon battery in the corresponding target power step-length of time optimal control point.

Step S108 includes:

S1081, target power step-length and setting charge-discharge electric power are overlapped and target power are calculated, i.e., it will setting The change rate increment of discharge and recharge target value, monomer voltage be used as closed loop reference value, the target power step-length for passing through setting is real When adjust target power, then reach the charge and discharge control to echelon battery.

The present embodiment based on ant group algorithm can be adapted to all types of echelon batteries and according to the type of echelon battery and charge The trend of each stage cell voltage in journey, self-adaptation flexible adjust charging modes and charging strategy, are effectively directed to all types of echelons Battery improves the stabilization of equipment because the reasons such as charge-discharge electric power size make monomer voltage mutation lead to equipment downtime in advance Property, improve economic benefit.

Specifically, for some type of echelon battery, the corresponding initial charge/discharge amount target of the echelon battery is preset Value and initial charge/discharge operation duration.Wherein, initial charge/discharge amount target value can use number according to the history of the echelon battery According to (such as years already spent) as a reference to determining.

Obtain n the first different charge-discharge electric power P_i, i ∈ { 1,2 ..., n }, n value is integer, real-time monitoring echelon Battery is in the first different charge-discharge electric power P_iUnder Third monomer voltage V_cell-iWith a group end voltage V_i, run with initial charge/discharge N number of period T in the corresponding entire charging-discharging cycle of duration_j, j ∈ { 1,2 ..., N }, each first charge-discharge electric power P_iUnder Third monomer voltage V_cell-iIncluding corresponding N number of Third monomer voltage V of N number of period_cell-i-j, each first charge and discharge electric work Rate P_iUnder group end voltage V_iIncluding corresponding N number of group of end voltage V of N number of period_i-j, specifically:

V_cell-i-j∈{V_cell-i-1, V_cell-i-2..., V_cell-i-N}；

V_i-j∈{V_i-1, V_i-2..., V_i-N}；

T_j∈{T₁, T₂..., T_N}。

Calculate gradient scalar: Δ T₁=T₂-T₁, and so on available gradient timetable Δ T ∈ { Δ T₁, Δ T₂..., Δ T_N-1, wherein the range of choice of Δ T is generally 1-10min, naturally it is also possible to be adjusted according to actual needs to Δ T.Similarly It can obtain, gradient monomer voltage Δ V_cell, therefore be not described in more detail here.

Presetting the corresponding initial charge/discharge amount target value of the echelon battery (for example the 80% of echelon battery capacity) In the case where initial charge/discharge operation duration, gradient timetable Δ T in entire charging-discharging cycle, the echelon battery are obtained at certain One constant charge-discharge electric power P_iUnder the action of the different monomer voltage of corresponding multiple groups change rate Δ V_cell/ Δ T and it can guarantee DC side group end voltage V_i-jThe voltage protection threshold value of overvoltage of direct current does not occur.

In the case where initial charge/discharge amount target value and constant initial charge/discharge operation duration, to charge-discharge electric power P_iWith And charge-discharge electric power P_iUnder Third monomer voltage and group end voltage be fitted processing, acquisition relational model, the relationship mould Type corresponds to the first coefficient of coup δ；The echelon battery is in N number of different charge-discharge electric power P_jUnder be fitted processing obtain it is corresponding N number of the first different coefficient of coup δ.

Using but be not limited to ant group algorithm, input charge-discharge electric power P_iAnd charge-discharge electric power P_iCorresponding first coupled systemes Number δ and gradient timetable Δ T, and make Third monomer voltage corresponding by setting marginal condition in the case where other parameters are constant Third change rate increment meet following formula:

Wherein, h1 ∈ (3%~8%)；The value setting range of h1 can be adjusted according to actual needs.

Rise in value according to ant group algorithm acquisition third change rate corresponding charge-discharge electric power P when meeting h1%_iIt is as optimal Charge-discharge electric power P, and determine that the first coefficient of coup δ of relational model corresponding with the optimal charge-discharge electric power P is optimal coupling Coefficient δ^*.It is bent to obtain the corresponding voltage change of the echelon battery entire charging-discharging cycle under the action of optimal charge-discharge electric power P Line.Specifically, when the echelon battery is in charged state, the SOC for choosing the echelon battery in entire charging-discharging cycle is (charged State) time interval that constitutes of period between 65%-100% is (i.e. initial as the charge and discharge latter stage of the echelon battery Voltage jump time interval), when the echelon battery is in discharge condition, choose the echelon battery in entire charging-discharging cycle Charge and discharge latter stage of the time interval that period of the SOC (state-of-charge) between 45%-0% is constituted as the echelon battery.

The initial voltage mutation time section includes K period, and K < N and K value are integer.

Obtain each period of the echelon battery in the initial voltage mutation time section corresponding first monomer voltage V′_k, k ∈ { 1,2 ..., K }, state-of-charge SOC '_kWith period T '_k, and corresponding gradient monomer voltage is obtained respectively Gradient state-of-chargeAnd the periodThe corresponding change rate of first monomer voltage is

For echelon battery charging process, when the change rate increment of the first monomer voltage in the period meets following public affairs Formula:

And corresponding state-of-charge meets SOC '_kIt then will acquire target voltage mutation time when greater than 70%, i.e., it will be original The initial voltage mutation time section of larger time zone range is contracted to meet the lesser time zone range of above-mentioned condition, So that being capable of more accurate ground positioning voltage mutated site in subsequent step.

The corresponding charge and discharge target value gamma of the expected echelon battery is obtained (such as to be promoted by initial 80% to desired charge and discharge Electric target value is the 95% of battery capacity)；The target voltage mutation time is divided into M time control point τ, it can obtain The first change rate increment of the corresponding M in M time control point the first monomer voltage, using but be not limited to ant group algorithm, By setting marginal condition the corresponding first change rate increment of the first monomer voltage is met in the case that other parameters are constant Following formula:

Wherein, h2 ∈ (3%~8%)；The value setting range of h2 can be adjusted according to actual needs.

Obtain that the increment of the first change rate meets h2% and corresponding discharge and recharge is closest to charge and discharge according to ant group algorithm The time control point τ of target value gamma is as optimum control point τ^*。

According to optimal charge-discharge electric power P, optimal coefficient of coup δ^*, the first discharge and recharge target value τ and optimal time control Make point τ^*Corresponding first change rate increment h2%, obtains echelon battery in the corresponding target power step-length of time optimal control point ∈, setting range obtain target efficiency, Jin Ergen between the 2%~20% of rated capacity, according to target power step-length ∈ According to target efficiency to the echelon battery in optimum control point τ^*It is adjusted control.

Wherein, in optimum control point τ^*It is controlled using target power, is eased up the charge and discharge time so that mutation voltage is opposite Also opposite to extend, discharge and recharge also effectively increases, to promote economic benefit.

Specifically, by taking echelon lithium battery charging process as an example, as shown in figure 5, curve K1 indicates existing echelon lithium battery The change curve of charging process monomer voltage, curve K2 are indicated using the echelon battery charging process monomer voltage in the present embodiment Change curve；Wherein laterally indicate time interval (unit: min), longitudinal monomer voltage (unit: V) for indicating echelon battery, A point indicates that in latter stage of charging voltage jump point occurs for echelon lithium battery.It follows that after using ant group algorithm in the present embodiment most Excellent control point monomer voltage is more gentle, is accurately obtained optimum control point, effectively controls voltage jump point, so that Echelon battery maximum monomer voltage in charging section increases more gentle.

It is illustrated below by the partial data (for monomer voltage) of 100KWh echelon lithium battery:

As shown in fig. 6, for the monomer voltage of the echelon lithium battery in entire charging-discharging cycle under the optimal coefficient of coup Variation tendency laterally indicates sampling number, and longitudinal left side indicates monomer voltage (unit: V), and longitudinal right side indicates PCS (Power Conversion System, energy accumulation current converter) output power (unit: KW).Wherein, curve a1 indicates maximum monomer voltage Change curve, curve b1 indicates that the change curve of minimum monomer voltage, curve c1 indicate charge-discharge electric power.

As shown in fig. 7, being the variation tendency of echelon lithium battery monomer voltage in entire charging process, when laterally indicating Between the sampling interval (unit: min), each 10min is sampled；It is longitudinal to indicate monomer voltage (unit: V)；Wherein, curve a2 table Show that the change curve of maximum monomer voltage, straight line b2 indicate the time.

As shown in figure 8, be charging increment of the echelon lithium battery between sample point two neighboring in entire charging process, Laterally indicate the sampling interval, longitudinal to indicate charge volume (unit K Wh), a3 indicates Interval Power step, and straight line b3 indicates the time.

As shown in figure 9, for the echelon lithium battery in entire charging process the monomer voltage of important turning point and when operation Between, laterally indicate sampling number, longitudinal left side indicates time (unit: h), and longitudinal right side indicates time (voltage: V), curve a4 Indicate that maximum monomer voltage, cylinder b4 indicate the time.

As shown in Figure 10, the voltage increment and operation for the echelon lithium battery in entire charging process between important turning point Interval time laterally indicates sampling number, and longitudinal left side indicates voltage increment (voltage: V), and longitudinal right side indicates time interval (unit: h)；Curve a5 indicates that interval voltage, cylinder b5 indicate interval time.

In addition, other data of the echelon battery in entire charging-discharging cycle: pair of important node monomer voltage and SOC It should be related to: 3.568 corresponding 100% (PCS chasers)；3.394 corresponding 93%；3.371 corresponding 74%；3.368 corresponding 64%； 3.350 corresponding 51%；3.334 corresponding 51%；3.328 corresponding 29%；When battery maximum monomer voltage reaches in charging process When within the scope of 3.448-3.45, BMS (battery management system) can issue alarm prompting, and also prompt echelon battery has been filled with electricity.

The corresponding specific data cases of the important node of the echelon battery are as follows:

By above-mentioned echelon battery during the charging process for, pass through the available monomer voltage shown in fig. 5 of above-mentioned data Variation tendency comparison diagram, can learn can be accurately obtained echelon battery in the voltage jump point of latter stage of charging using ant group algorithm Corresponding time optimal control point, so that echelon battery is gentle in the variation of latter stage of charging monomer voltage.

In addition, by the discharge and recharge data under charge and discharge strategy corresponding with the present embodiment under existing charge and discharge strategy into Row comparison, specific correlation data see the table below (for the continuous 1 month data summarization of certain echelon battery):

In conjunction with Fig. 5 and upper table it is known that echelon battery is more gentle in the growth of charge and discharge latter stage maximum monomer voltage； In identical charging section, the charging time is longer, and charge volume is also higher；In identical discharge range, discharge time is longer, Discharge capacity is also more.

It makes reference by taking Shanghai City as an example and with the execution electricity charge standard of the non-resident electricity consumption of Shanghai City 10KV in 2018, adopts respectively Charge-discharge test is carried out with existing charge and discharge strategy and the corresponding charge and discharge strategy of the present embodiment and obtains corresponding charge and discharge Correlation data, specific data see the table below:

Wherein, annual earnings detail system cost 16000W by taking 100MWH as an example.

By upper table it is known that the corresponding charge and discharge strategy of the present embodiment is improved compared to existing charge and discharge strategy Profit in the echelon battery life time limit reduces investment recycling, and improves a year return rate, effectively improves economic benefit.

Embodiment 4

As shown in figure 11, the control system of the charge and discharge of the echelon battery of the present embodiment includes period division module 1, lotus Electricity condition obtains module 2, object time section obtains module 3, the increment of the first monomer data acquisition module 4, first obtains module 5, optimum control clicks modulus block 6, target power step-length obtains module 7, target power obtains module 8 and control module 9.

Period division module 1 is for will be divided into N number of period in the entire charging-discharging cycle of echelon battery；Wherein, N >=1 and N round numbers；

State-of-charge obtains module 2 for obtaining in setting charge-discharge electric power descending stair primary cell in entire charging-discharging cycle Corresponding state-of-charge of each period；

When object time section obtains module 3 for being mutated according to the corresponding target voltage of state-of-charge acquisition echelon battery Between section；Wherein, target voltage mutation time section includes M time control point, M >=1 and M round numbers；

First monomer data acquisition module 4 is mutated in setting charge-discharge electric power descending stair primary cell in target voltage for obtaining Corresponding first monomer voltage in each time control point and the first charge and discharge magnitude in time interval；

First increment obtains module 5 for obtaining the corresponding first change rate increment of the first monomer voltage in echelon battery；

Optimum control clicks modulus block 6 for the increment of the first change rate to be met the first setting condition and the first discharge and recharge Value meets the time control point of the second setting condition as time optimal control point；

Target power step-length obtains module 7 for obtaining echelon battery in the corresponding target power step of time optimal control point It is long；

Target power obtains module 8 and is used to obtain target power according to target power step-length and setting charge-discharge electric power；

Control module 9 is used to control echelon battery in the charge and discharge duration of time optimal control point according to target power；

Embodiment 5

As shown in figure 12, the control system of the charge and discharge of the echelon battery of the present embodiment is further changing to embodiment 4 Into specifically:

It includes initial time interval acquiring unit 10 and object time section acquiring unit that object time section, which obtains module 3, 11；

Initial time interval acquiring unit 10 be used for by state-of-charge meet third setting condition period constitute when Between section as initial voltage mutation time section；

Specifically, initial time interval acquiring unit 10 is used for when echelon battery is in charged state, by state-of-charge Greater than the first given threshold multiple periods constitute time interval as initial voltage mutation time section；

Initial time interval acquiring unit 10 is used for when echelon battery is in discharge condition, by state-of-charge less than second The time interval that multiple periods of given threshold are constituted is as initial voltage mutation time section；

Wherein, the first given threshold is greater than the second given threshold.

When object time section acquiring unit 11 is used to obtain target voltage mutation according to initial voltage mutation time section Between section.

Specifically, object time section acquiring unit 11 includes that second comonomer voltage obtains subelement, the second change rate increases Value obtains subelement and object time section obtains subelement；

It is corresponding for obtaining each period in initial voltage mutation time section that second comonomer voltage obtains subelement Second comonomer voltage；

The increment of second change rate obtains subelement for obtaining corresponding second variation of second comonomer voltage in echelon battery Rate increment；

Object time section obtains subelement and is used for when period corresponding the first setting of second change rate increment satisfaction model Enclose and battery charge state meet the 5th impose a condition when, obtain target time section and by target time section constitute time interval As echelon battery corresponding target voltage mutation time section；

When echelon battery is in charged state, it includes being greater than third given threshold that the 5th, which imposes a condition,；When in echelon When battery is in discharge condition, the 5th setting condition includes less than the 4th given threshold；

Wherein, third given threshold is greater than the first given threshold, and the 4th given threshold is less than the second given threshold.

Wherein, the first given threshold, the second given threshold, third given threshold and the 4th given threshold can be according to realities Border demand is adjusted.

Control system further includes the first presetting module 12；

First presetting module 12 is for presetting the corresponding first discharge and recharge target value of echelon battery；

Optimum control clicks modulus block 6 and meets the second setting range and the first discharge and recharge for the first change rate to rise in value It is worth the time control point of immediate first discharge and recharge target value as time optimal control point.

Specifically, optimum control clicks modulus block 6 for first setting the first change rate increment satisfaction using ant group algorithm Fixed condition and the first charge and discharge magnitude meet the time control point of the second setting condition as time optimal control point.

Control module 9 is also used to control echelon battery according to target power to be reached in the discharge and recharge of time optimal control point First discharge and recharge target value.

Embodiment 6

As shown in figure 13, the control system of the charge and discharge of the echelon battery of the present embodiment is further changing to embodiment 5 Into specifically:

Control system further includes the first power acquisition module 13, voltage obtains module 14, third increment obtains 15 and of module Optimal power obtains module 16.

First power acquisition module 13 is for obtaining the first multiple and different charge-discharge electric powers；

Voltage obtains module 14 and is used to obtain echelon battery under the first different charge-discharge electric powers, entire charging-discharging cycle Corresponding Third monomer voltage of interior each period and group end voltage；

Third increment obtains module 15 for obtaining Third monomer electricity in the first different charge-discharge electric power descending stair primary cells Corresponding third change rate is pressed to rise in value；

Optimal power, which obtains module 16 and is used to that the increment of third change rate to be met third setting range and organizes end voltage, not to be surpassed Corresponding first charge-discharge electric power is crossed when the protection value of overvoltage of direct current as optimal charge-discharge electric power；

Specifically, optimal power obtains module 16 and is used to that the increment of third change rate to be met third setting using ant group algorithm Range and corresponding first charge-discharge electric power is organized when end voltage is no more than the protection value of overvoltage of direct current as optimal charge and discharge electric work Rate.

State-of-charge obtains module 2 for obtaining in optimal charge-discharge electric power descending stair primary cell in entire charging-discharging cycle Corresponding state-of-charge of each period.

Control system further includes the second presetting module 17, relationship module obtains module 18 and optimal coefficient obtains module 19；

Second presetting module 17 is used to preset the corresponding initial charge/discharge amount target of entire charging-discharging cycle of echelon battery Value and initial charge/discharge operation duration；

Relationship module obtains module 18 and is used for for same initial charge/discharge amount target value and initial charge/discharge operation duration, Processing is fitted with corresponding Third monomer voltage and group end voltage to each first charge-discharge electric power, obtains relational model；

Wherein, corresponding first coefficient of coup of relational model；

Optimal coefficient obtains first coefficient of coup that module 19 is used to determine the corresponding relational model of optimal charge-discharge electric power For the optimal coefficient of coup.

Target power step-length obtains module 7 and is used for according to optimal charge-discharge electric power, the optimal coefficient of coup, the first discharge and recharge Target value and the corresponding first change rate increment of time optimal control point, it is corresponding in time optimal control point to obtain echelon battery Target power step-length.

Target power obtains module 8 and is used to being overlapped and mesh being calculated target power step-length and setting charge-discharge electric power Power is marked, i.e., regard the change rate increment of the discharge and recharge target value of setting, monomer voltage as closed loop reference value, passes through setting Target power step-length adjusts target power in real time, then reaches the charge and discharge control to echelon battery.

V_cell-i-j∈{V_cell-i-1, V_cell-i-2..., V_cell-i-N}；

V_i-j∈{V_i-1, V_i-2..., V_i-N}；

T_j∈{T₁, T₂..., T_N}。

By above-mentioned echelon battery during the charging process for, pass through the available monomer voltage shown in fig. 5 of above-mentioned data Variation tendency comparison diagram, it can be deduced that echelon battery can be accurately obtained in the voltage jump point of latter stage of charging using ant group algorithm Corresponding time optimal control point, so that echelon battery is gentle in the variation of latter stage of charging monomer voltage.

Embodiment 7

Figure 14 is the structural schematic diagram for a kind of electronic equipment that the embodiment of the present invention 7 provides.Electronic equipment include memory, Processor and storage are on a memory and the computer program that can run on a processor, processor realize implementation when executing program The control method of the charge and discharge of echelon battery in example 1 to 3 in any one embodiment.The electronic equipment 30 that Figure 14 is shown is only One example, should not function to the embodiment of the present invention and use scope bring any restrictions.

As shown in figure 14, electronic equipment 30 can be showed in the form of universal computing device, such as it can be server Equipment.The component of electronic equipment 30 can include but is not limited to: at least one above-mentioned processor 31, above-mentioned at least one processor 32, the bus 33 of different system components (including memory 32 and processor 31) is connected.

Bus 33 includes data/address bus, address bus and control bus.

Memory 32 may include volatile memory, such as random access memory (RAM) 321 and/or cache Memory 322 can further include read-only memory (ROM) 323.

Memory 32 can also include program/utility 325 with one group of (at least one) program module 324, this The program module 324 of sample includes but is not limited to: operating system, one or more application program, other program modules and journey It may include the realization of network environment in ordinal number evidence, each of these examples or certain combination.

Processor 31 by operation storage computer program in memory 32, thereby executing various function application and The control method of the charge and discharge of echelon battery in data processing, such as the embodiment of the present invention 1 to 3 in any one embodiment.

Electronic equipment 30 can also be communicated with one or more external equipments 34 (such as keyboard, sensing equipment etc.).It is this Communication can be carried out by input/output (I/O) interface 35.Also, the equipment 30 that model generates can also pass through Network adaptation Device 36 and one or more network (such as local area network (LAN), wide area network (WAN) and/or public network, such as internet) logical Letter.As shown in figure 14, the other modules for the equipment 30 that network adapter 36 is generated by bus 33 and model communicate.It should be bright It is white, although not shown in the drawings, the equipment 30 that can be generated with binding model uses other hardware and/or software module, including but not Be limited to: microcode, device driver, redundant processor, external disk drive array, RAID (disk array) system, tape drive Dynamic device and data backup storage system etc..

It should be noted that although being referred to several units/modules or subelement/mould of electronic equipment in the above detailed description Block, but it is this division be only exemplary it is not enforceable.In fact, embodiment according to the present invention, is retouched above The feature and function for two or more units/modules stated can embody in a units/modules.Conversely, above description A units/modules feature and function can with further division be embodied by multiple units/modules.

Embodiment 8

A kind of computer readable storage medium is present embodiments provided, computer program is stored thereon with, program is processed The step in the control method of the charge and discharge of the echelon battery in embodiment 1 to 3 in any one embodiment is realized when device executes.

Wherein, what readable storage medium storing program for executing can use more specifically can include but is not limited to: portable disc, hard disk, random Access memory, read-only memory, erasable programmable read only memory, light storage device, magnetic memory device or above-mentioned times The suitable combination of meaning.

In possible embodiment, the present invention is also implemented as a kind of form of program product comprising program generation Code, when program product is run on the terminal device, program code is appointed for executing terminal device in realization embodiment 1 to 3 Step in the control method of the charge and discharge of echelon battery in an embodiment of anticipating.

Wherein it is possible to be write with any combination of one or more programming languages for executing program of the invention Code, program code can be executed fully on a user device, partly execute on a user device, is independent as one Software package executes, part executes on a remote device or executes on a remote device completely on a user device for part.

Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and Modification each falls within protection scope of the present invention.

Claims

1. a kind of control method of the charge and discharge of echelon battery, which is characterized in that the control method includes:

It is corresponding to obtain each period of the echelon battery in the entire charging-discharging cycle in the case where setting charge-discharge electric power State-of-charge；

Echelon battery corresponding target voltage mutation time section is obtained according to the state-of-charge；Wherein, the target Voltage jump time interval includes M time control point, M >=1 and M round numbers；

Obtain under the setting charge-discharge electric power echelon battery each of in target voltage mutation time section Corresponding first monomer voltage in the time control point and the first charge and discharge magnitude；

First change rate increment is met into the first setting condition and the first charge and discharge magnitude meets second and imposes a condition The time control point as time optimal control point；

Wherein, the time optimal control point is corresponding with the voltage jump point in target voltage mutation time section；

Wherein, the target power is in charge and discharge duration of the echelon battery in target voltage mutation time section It is negatively correlated.

2. the control method of the charge and discharge of echelon battery as described in claim 1, which is characterized in that described according to described charged State obtains the step of echelon battery corresponding target voltage mutation time section and includes:

The time interval that the period that the state-of-charge meets third setting condition is constituted is mutated as initial voltage Time interval；

3. the control method of the charge and discharge of echelon battery as claimed in claim 2, which is characterized in that described by the charged shape The step of time interval that the period that state meets third setting condition is constituted is as initial voltage mutation time section packet It includes:

When the echelon battery is in charged state, the state-of-charge is greater than to multiple times of the first given threshold The time interval that section is constituted is as initial voltage mutation time section；

Multiple times when the echelon battery is in discharge condition, by the state-of-charge less than the second given threshold The time interval that section is constituted is as initial voltage mutation time section；

Wherein, first given threshold is greater than second given threshold.

4. the control method of the charge and discharge of echelon battery as claimed in claim 3, which is characterized in that described according to described initial Voltage jump time interval obtain the target voltage mutation time section the step of include:

When the period corresponding second change rate increment, first setting range of satisfaction and the battery charge state is full When foot the 5th imposes a condition, obtains target time section and the time interval for constituting the target time section is electric as the echelon Pond corresponding target voltage mutation time section；

5. the control method of the charge and discharge of echelon battery as claimed in claim 4, which is characterized in that at the echelon battery When charged state, it includes being greater than third given threshold that the described 5th, which imposes a condition,；

Wherein, the third given threshold is greater than first given threshold, and the 4th given threshold is less than described second and sets Determine threshold value.

6. the control method of the charge and discharge of echelon battery as described in claim 1, which is characterized in that described to become described first Rate increment meets the first setting condition and the first charge and discharge magnitude meets the second time control point to impose a condition Before the step of as time optimal control point further include:

It is described that first change rate increment is met into the first setting condition and the second setting of the first charge and discharge magnitude satisfaction The time control point of condition includes: as the step of time optimal control point

First change rate is rised in value and meets the second setting range and the first charge and discharge magnitude immediate described first The time control point of discharge and recharge target value is as time optimal control point；

The step that charge and discharge duration of the echelon battery in the time optimal control point is controlled according to the target power After rapid further include:

The echelon battery, which is controlled, according to the target power reaches described in the discharge and recharge of the time optimal control point One discharge and recharge target value.

7. the control method of the charge and discharge of echelon battery as claimed in claim 6, which is characterized in that described according to described charged State obtained before the step of echelon battery corresponding target voltage mutation time section further include:

Obtain the first multiple and different charge-discharge electric powers；

Obtain each institute of the echelon battery under different first charge-discharge electric powers, in the entire charging-discharging cycle State period corresponding Third monomer voltage and group end voltage；

The corresponding third of Third monomer voltage described in the echelon battery under different first charge-discharge electric powers is obtained to become Rate increment；

Third change rate increment is met into third setting range and described group of end voltage is no more than the protection of overvoltage of direct current Corresponding first charge-discharge electric power is as optimal charge-discharge electric power when value；

The acquisition each period of the echelon battery in the entire charging-discharging cycle in the case where setting charge-discharge electric power The step of corresponding state-of-charge includes:

Obtain each period of the echelon battery in the entire charging-discharging cycle under the optimal charge-discharge electric power Corresponding state-of-charge.

8. the control method of the charge and discharge of echelon battery as claimed in claim 7, which is characterized in that described to obtain the echelon Battery is under different first charge-discharge electric powers, the period corresponding each of in the entire charging-discharging cycle After the step of three monomer voltages and group end voltage further include:

Preset the corresponding initial charge/discharge amount target value of the entire charging-discharging cycle and initial charge/discharge of the echelon battery Operation duration；

For the same initial charge/discharge amount target value and the initial charge/discharge operation duration, to each first charge and discharge Electrical power is fitted processing with the corresponding Third monomer voltage and described group of end voltage, obtains relational model；

Wherein, corresponding first coefficient of coup of the relational model；

It is described that third change rate increment is met into third setting range and described group of end voltage no more than overvoltage of direct current After the step of corresponding first charge-discharge electric power is as optimal charge-discharge electric power when protection value further include:

First coefficient of coup for determining the corresponding relational model of the optimal charge-discharge electric power is the optimal coefficient of coup.

9. the control method of the charge and discharge of echelon battery as claimed in claim 8, which is characterized in that described to obtain the echelon Battery includes: in the step of time optimal control point corresponding target power step-length

According to the optimal charge-discharge electric power, the optimal coefficient of coup, the first discharge and recharge target value and it is described most The corresponding first change rate increment in excellent time control point, it is corresponding in the time optimal control point to obtain the echelon battery The target power step-length；

10. the control method of the charge and discharge of echelon battery as claimed in claim 7, which is characterized in that described by described first Change rate increment meets the first setting condition and the first charge and discharge magnitude meets the second time control to impose a condition It puts and includes: as the step of time optimal control point

First change rate increment is met by the first setting condition using ant group algorithm and the first charge and discharge magnitude meets The second time control point to impose a condition is as time optimal control point；And/or

It is described that third change rate increment is met into third setting range and described group of end voltage no more than overvoltage of direct current Corresponding first charge-discharge electric power includes: as the step of optimal charge-discharge electric power when protection value

Third change rate increment is met by third setting range using ant group algorithm and described group of end voltage is no more than direct current Corresponding first charge-discharge electric power is as optimal charge-discharge electric power when the protection value of overvoltage.

11. a kind of control system of the charge and discharge of echelon battery, which is characterized in that the control system includes the period dividing mould Block, state-of-charge obtain module, object time section obtains module, the first monomer data acquisition module, the first increment acquisition mould Block, the first charge value obtain module, optimum control clicks modulus block, target power step-length obtains module, target power obtains mould Block and control module；

The period division module is for will be divided into N number of period in the entire charging-discharging cycle of echelon battery；Wherein, N >=1 and N round numbers；

The state-of-charge obtains module for obtaining in the case where setting charge-discharge electric power the echelon battery in the entire charge and discharge Corresponding state-of-charge of each period in the electric period；

The object time section obtains module and is used to obtain the corresponding target electricity of the echelon battery according to the state-of-charge Press mutation time section；Wherein, target voltage mutation time section includes M time control point, M >=1 and M round numbers；

The first monomer data acquisition module for obtain under the setting charge-discharge electric power echelon battery described Corresponding first monomer voltage in the time control point and the first charge and discharge magnitude each of in target voltage mutation time section；

First increment obtains module for obtaining corresponding first variation of the first monomer voltage described in the echelon battery Rate increment；

The optimum control clicks modulus block for first change rate increment to be met the first setting condition and described first Charge and discharge magnitude meets the time control point of the second setting condition as time optimal control point；

The target power step-length obtains module for obtaining the echelon battery in the corresponding mesh of the time optimal control point Mark power step size；

The target power obtains module and is used to obtain target according to the target power step-length and the setting charge-discharge electric power Power；

The control module is used to control echelon battery the filling in the time optimal control point according to the target power Electric discharge duration；

12. the control system of the charge and discharge of echelon battery as claimed in claim 11, which is characterized in that the object time area Between obtain module include initial time interval acquiring unit and object time section acquiring unit；

The initial time interval acquiring unit is used to meet the state-of-charge period structure of third setting condition At time interval as initial voltage mutation time section；

Object time section acquiring unit is used to obtain the target voltage according to initial voltage mutation time section Mutation time section.

13. the control system of the charge and discharge of echelon battery as claimed in claim 12, which is characterized in that the initial time area Between acquiring unit be used for when the echelon battery be in charged state, the state-of-charge is more greater than the first given threshold The time interval that a period is constituted is as initial voltage mutation time section；

The initial time interval acquiring unit is used for when the echelon battery is in discharge condition, and the state-of-charge is small In the time interval that multiple periods of the second given threshold are constituted as initial voltage mutation time section；

Wherein, first given threshold is greater than second given threshold.

14. the control system of the charge and discharge of echelon battery as claimed in claim 13, which is characterized in that the object time area Between acquiring unit include that second comonomer voltage obtains subelement, the increment of the second change rate obtains subelement and object time section and obtains Take subelement；

The second comonomer voltage obtains subelement for obtaining each time in initial voltage mutation time section The corresponding second comonomer voltage of section；

It is corresponding for obtaining second comonomer voltage described in the echelon battery that the second change rate increment obtains subelement The increment of second change rate；

The object time section obtains subelement and is used to meet the when the period corresponding second change rate increment When one setting range and the battery charge state meet the 5th and impose a condition, target time section is obtained and by the object time The time interval that section is constituted is as echelon battery corresponding target voltage mutation time section；

15. the control system of the charge and discharge of echelon battery as claimed in claim 14, which is characterized in that when the echelon battery When in charged state, it includes being greater than third given threshold that the described 5th, which imposes a condition,；

16. the control system of the charge and discharge of echelon battery as claimed in claim 11, which is characterized in that the control system is also Including the first presetting module；

The optimum control clicks modulus block and meets the second setting range and described first for first change rate to rise in value The time control point of the immediate first discharge and recharge target value of charge and discharge magnitude is as time optimal control point；

The control module is also used to control the echelon battery according to the target power in the time optimal control point Discharge and recharge reaches the first discharge and recharge target value.

17. the control system of the charge and discharge of echelon battery as claimed in claim 16, which is characterized in that the control system is also Module is obtained including the first power acquisition module, voltage, third increment obtains module and optimal power obtains module；

The voltage obtains module and is used to obtain the echelon battery under different first charge-discharge electric powers, described entire Period corresponding Third monomer voltage and group end voltage each of in charging-discharging cycle；

The third increment obtains module for obtaining under different first charge-discharge electric powers described in the echelon battery The corresponding third change rate increment of Third monomer voltage；

The optimal power obtains module and is used to meeting third change rate increment into third setting range and described group of end electricity Corresponding first charge-discharge electric power is as optimal charge-discharge electric power when pressure is no more than the protection value of overvoltage of direct current；

The state-of-charge obtains module for obtaining under the optimal charge-discharge electric power echelon battery described entire Corresponding state-of-charge of each period in charging-discharging cycle.

18. the control system of the charge and discharge of echelon battery as claimed in claim 17, which is characterized in that the control system is also Module is obtained including the second presetting module, relationship module and optimal coefficient obtains module；

Second presetting module is used to preset the corresponding initial charge/discharge of the entire charging-discharging cycle of the echelon battery Measure target value and initial charge/discharge operation duration；

The relationship module obtains module and is used to transport the same initial charge/discharge amount target value and the initial charge/discharge Row duration is fitted each first charge-discharge electric power with the corresponding Third monomer voltage and described group of end voltage Processing obtains relational model；

Wherein, corresponding first coefficient of coup of the relational model；

The optimal coefficient obtains described that module is used to determine the corresponding relational model of the optimal charge-discharge electric power One coefficient of coup is the optimal coefficient of coup.

19. the control system of the charge and discharge of echelon battery as claimed in claim 18, which is characterized in that the target power step The long module that obtains is used for according to the optimal charge-discharge electric power, the optimal coefficient of coup, the first discharge and recharge target value And the corresponding first change rate increment of the time optimal control point, the echelon battery is obtained in the optimal time The corresponding target power step-length in control point；

The target power obtains module based on being overlapped the target power step-length and the setting charge-discharge electric power Calculation obtains the target power.

20. the control system of the charge and discharge of echelon battery as claimed in claim 17, which is characterized in that the optimum control point Selection module is used to that first change rate increment to be met the first setting condition and first charge and discharge using ant group algorithm Magnitude meets the time control point of the second setting condition as time optimal control point；And/or

The optimal power obtains module and is used to that third change rate increment to be met third setting range using ant group algorithm And described group of end voltage is no more than when the protection value of overvoltage of direct current corresponding first charge-discharge electric power as optimal charge and discharge Electrical power.

21. a kind of electronic equipment including memory, processor and stores the calculating that can be run on a memory and on a processor Machine program, which is characterized in that the processor realizes ladder of any of claims 1-10 when executing computer program The control method of the charge and discharge of primary cell.

22. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program The step of control method of the charge and discharge of echelon battery of any of claims 1-10 is realized when being executed by processor.