CN107546816A - A kind of equalization methods, equipment and the readable storage medium storing program for executing of accumulation power supply module voltage - Google Patents
A kind of equalization methods, equipment and the readable storage medium storing program for executing of accumulation power supply module voltage Download PDFInfo
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- CN107546816A CN107546816A CN201710986297.7A CN201710986297A CN107546816A CN 107546816 A CN107546816 A CN 107546816A CN 201710986297 A CN201710986297 A CN 201710986297A CN 107546816 A CN107546816 A CN 107546816A
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Abstract
This application discloses a kind of equalization methods, equipment and the readable storage medium storing program for executing of accumulation power supply module voltage, for carrying out equilibrium treatment to the subject monomers in accumulation power supply module；Wherein, accumulation power supply module includes the monomer of multiple non-linear energy storage characteristics, and subject monomers are any monomer in accumulation power supply module；The step of carrying out equilibrium treatment to subject monomers includes：Obtain voltage, electric current and the temperature of subject monomers；According to voltage, electric current and temperature, the SOC value of subject monomers is calculated；Whether SOC value is judged in default SOC value scope, if it is not, then carrying out corresponding electric voltage equalization measure to subject monomers.The present invention considers the non-linear energy storage characteristic of subject monomers, and according to voltage, electric current and temperature, SOC value is calculated, and judges SOC value to carry out electric voltage equalization processing.The problems such as the heating for frequently cutting off the inefficient operation pattern of equilibrium and its bringing, fault rate rising are effectively prevent, have been obviously improved the security and efficiency of system.
Description
Technical field
The present invention relates to energy storage device technical field, more particularly to a kind of equalization methods of accumulation power supply module voltage, set
Standby and readable storage medium storing program for executing.
Background technology
In recent years, the research and design of accumulation power supply has obtained larger development, has invented such as hybrid super electric capacity
Etc. the energy-storage travelling wave tube of non-linear energy storage characteristic.
In current energy storage device technical field, the equilibrium of power supply module is directly carried out according to voltage mostly, but it is non-thread
The power supply module of the energy-storage travelling wave tube of property energy storage characteristic, only with voltage can not accurate description capacitance, there is presently no more may be used
The voltage balance control scheme leaned on, Balance route, this mode of operation efficiency are typically carried out by the way of circuit is frequently cut-off
Lowly, and can bring heating, fault rate rise etc. problems.
The content of the invention
In view of this, it is an object of the invention to provide a kind of equalization methods of accumulation power supply module voltage, equipment and can
Storage medium is read, to carry out safe and reliable balanced control to the voltage of the accumulation power supply module comprising non-linear energy storage characteristic monomer
System.Its concrete scheme is as follows：
A kind of equalization methods of accumulation power supply module voltage, for being carried out to the subject monomers in the accumulation power supply module
Equilibrium treatment；Wherein, the accumulation power supply module includes the monomer of multiple non-linear energy storage characteristics, and the subject monomers are described
Any monomer in accumulation power supply module；The step of carrying out equilibrium treatment to the subject monomers includes：
Obtain the voltage, electric current and temperature of the subject monomers；
According to the voltage, the electric current and the temperature, the SOC value of the subject monomers is calculated；
Whether the SOC value is judged in default SOC value scope, if it is not, then the subject monomers are carried out with corresponding electricity
Press balanced measure.
Preferably, it is described whether to judge the SOC value in default SOC value scope, if it is not, then entering to the subject monomers
The process of the corresponding electric voltage equalization measure of row, including：
Judge the SOC value whether in the default SOC value scope；Wherein, the default SOC value scope is from first
Pre-set interval of the SOC value to the second SOC value；
When the SOC value is less than first SOC value, the DC/DC circuits are turned on to be charged to the subject monomers；
When the SOC value is higher than second SOC value, conducting DC/DC circuits are with to subject monomers electric discharge.
Preferably, before the SOC value for calculating the subject monomers, in addition to：
Judge the voltage whether in predetermined voltage range；Wherein, the predetermined voltage range is to be pressed onto from the first standard
The pre-set interval of second standard pressure；
When the voltage is in the predetermined voltage range, start it is described calculate the subject monomers SOC value the step of；
When the voltage is less than the first standard pressure, turn on the DC/DC circuits with to subject monomers charging simultaneously
Terminate；
When the voltage is higher than the second standard pressure, conducting discharge resistance is to discharge and terminate to the subject monomers.
Preferably, the monomer of the non-linear energy storage characteristic is hybrid super electric capacity.
Preferably, equilibrium treatment is carried out to all monomers in the accumulation power supply module.
Accordingly, the invention also discloses a kind of balancing equipment of accumulation power supply module voltage, for energy storage electricity
Subject monomers in the module of source carry out equilibrium treatment；Wherein, tell that accumulation power supply module includes multiple non-linear energy storage characteristics
Subject monomers described in monomer money are any monomer in the accumulation power supply module；The balancing equipment includes measurement apparatus,
Weigh device, central controller；Wherein described central controller performs following steps and carries out equilibrium treatment to the subject monomers：
Voltage, electric current and the temperature of the subject monomers are obtained by the measurement apparatus；
According to the voltage, the electric current and the temperature, the SOC value of the subject monomers is calculated；
Whether the SOC value is judged in default SOC value scope, if it is not, then by the balancer to the target
Monomer carries out corresponding electric voltage equalization measure.
Preferably, the default SOC value scope is from the first SOC value to the pre-set interval of the second SOC value；
The balancer includes DC/DC circuits, is used for：
When the SOC value is less than first SOC value, the subject monomers are charged；
When the SOC value is higher than second SOC value, the subject monomers are discharged.
Preferably, the balancer also includes discharge resistance；
Accordingly, the central controller is additionally operable to before the SOC value for calculating the subject monomers：
Judge the voltage whether in predetermined voltage range；Wherein, the predetermined voltage range is to be pressed onto from the first standard
The pre-set interval of second standard pressure；
When the voltage is in the predetermined voltage range, start it is described calculate the subject monomers SOC value the step of；
When the voltage is less than the first standard pressure, turn on the DC/DC circuits with to subject monomers charging simultaneously
Terminate；
When the voltage is higher than the second standard pressure, the discharge resistance is turned on so that the subject monomers are discharged and tied
Beam.
Preferably, the balancing equipment is specifically used for：
Equilibrium treatment is carried out to all monomers in the accumulation power supply module.
Accordingly, the invention also discloses a kind of readable storage medium storing program for executing, computer is stored with the readable storage medium storing program for executing
Program, the equilibrium of the accumulation power supply module voltage as any one of above is realized when the computer program is executed by processor
The step of method.
The invention discloses a kind of equalization methods of accumulation power supply module voltage, in the accumulation power supply module
Subject monomers carry out equilibrium treatment；Wherein, the accumulation power supply module includes the monomer of multiple non-linear energy storage characteristics, the mesh
It is any monomer in the accumulation power supply module to mark monomer；The step of carrying out equilibrium treatment to the subject monomers includes：Obtain
Take the voltage, electric current and temperature of subject monomers；According to the voltage, the electric current and the temperature, the subject monomers are calculated
SOC value；Whether the SOC value is judged in default SOC value scope, if it is not, then the subject monomers are carried out with corresponding electricity
Press balanced measure.The present invention considers the non-linear energy storage characteristic of subject monomers, according to voltage, electric current and temperature, is calculated
SOC value, SOC value is judged to carry out electric voltage equalization processing.It effectively prevent the inefficient operation pattern and its band for frequently cutting off equilibrium
Come heating, fault rate rise etc. problems, be obviously improved the security and efficiency of system.The module shape that the present invention obtains
State information, except voltage of the prior art, the electric current and temperature of also each monomer, more accurate can comprehensively it understand each
The state of monomer, the failure of monomer is found in time and eliminates the failure.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of step flow chart of the equalization methods of accumulation power supply module voltage in the embodiment of the present invention；
Fig. 2 is a kind of step flow chart of the equalization methods of specific accumulation power supply module voltage in the embodiment of the present invention；
Fig. 3 is a kind of structure distribution figure of the balancing equipment of accumulation power supply module voltage in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of equalization methods of accumulation power supply module voltage, for the accumulation power supply mould
Subject monomers in group carry out equilibrium treatment；Wherein, the accumulation power supply module includes the monomer of multiple non-linear energy storage characteristics,
The subject monomers are any monomer in the accumulation power supply module；The step of equilibrium treatment is carried out to subject monomers ginseng
As shown in Figure 1, including：
S11：Obtain voltage, electric current and the temperature of subject monomers；
It is understood that non-linear energy storage characteristic monomer includes the hybrid super electric capacity of big energy density, this storage
Can element have the double grading of battery and electric capacity concurrently, show it is very strong non-linear, only can not accurate judgement with voltage data
Its state, it is therefore necessary to consider various states parameter, including voltage, electric current and temperature, other related states can also be included
Parameter.
S12：According to the voltage, the electric current and the temperature, the SOC value of the subject monomers is calculated；
Wherein, SOC (State Of Charge, state-of-charge) computational methods have many kinds, such as Ah accumulatives, OCV
(Open Circuit Voltage) method, internal resistance method, neural network etc., therefrom choose a kind of algorithm and are calculated.
S13：Whether the SOC value is judged in default SOC value scope, if it is not, then being carried out to the subject monomers corresponding
Electric voltage equalization measure.
It is understood that corresponding electric voltage equalization measure includes opening the progress monomer charge or discharge of DC/DC circuits.
Further, above-mentioned equilibrium treatment can be carried out to all monomers in the accumulation power supply module, to improve
The electric voltage equalization degree of accumulation power supply module.
The invention discloses a kind of equalization methods of accumulation power supply module voltage, in the accumulation power supply module
Subject monomers carry out equilibrium treatment；Wherein, the accumulation power supply module includes the monomer of multiple non-linear energy storage characteristics, the mesh
It is any monomer in the accumulation power supply module to mark monomer；The step of carrying out equilibrium treatment to the subject monomers includes：Obtain
Take the voltage, electric current and temperature of subject monomers；According to the voltage, the electric current and the temperature, the subject monomers are calculated
SOC value；Whether the SOC value is judged in default SOC value scope, if it is not, then the subject monomers are carried out with corresponding electricity
Press balanced measure.The present invention considers the non-linear energy storage characteristic of subject monomers, according to voltage, electric current and temperature, is calculated
SOC value, SOC value is judged to carry out electric voltage equalization processing.It effectively prevent the inefficient operation pattern and its band for frequently cutting off equilibrium
Come heating, fault rate rise etc. problems, be obviously improved the security and efficiency of system.The module shape that the present invention obtains
State information, except voltage of the prior art, the electric current and temperature of also each monomer, more accurate can comprehensively it understand each
The state of monomer, the failure of monomer is found in time and eliminates the failure.
The embodiment of the invention discloses a kind of equalization methods of specific accumulation power supply module voltage, implement relative to upper one
Example, the present embodiment have made further instruction and optimization to technical scheme.Shown in Figure 2, specific step is as follows：
S21：Obtain voltage, electric current and the temperature of subject monomers；
S22：Judge the voltage whether in predetermined voltage range；Wherein, the predetermined voltage range is from the first standard
It is pressed onto the pre-set interval of the second standard pressure；If it is not, then into step S23, if it is, into step S24；
S23：When the voltage is less than the first standard pressure, the DC/DC circuits are turned on to be filled to the subject monomers
Electricity simultaneously terminates；When the voltage is higher than the second standard pressure, conducting discharge resistance is to discharge and terminate to the subject monomers；
Wherein, voltage is referred to as that monomer is under-voltage less than the situation of the first standard pressure, and voltage claims higher than the situation of the second standard pressure
For monomer overvoltage.Predetermined voltage range is set according to specific accumulation power supply module situation, such as sets reference voltage U, in advance
If voltage range is U ± 2%, now the first standard pressure is U × 98%, and the second standard pressure is U × 102%.
It is understood that step S22, S23 is only tentatively sentenced by the voltage of subject monomers to subject monomers situation
It is disconnected, if the subject monomers can not directly carry out electric voltage equalization by tentatively judging, without calculating SOC value, and also it is if single
Body overvoltage is serious, higher using the security of discharge resistance.It is of course also possible to omit step S22, directly entered by step S21
Step S24, it can equally reach the purpose of subject monomers electric voltage equalization.
S24：According to the voltage, the electric current and the temperature, the SOC value of the subject monomers is calculated；
S25：Judge the SOC value whether in the default SOC value scope；Wherein, the default SOC value scope is from the
Pre-set interval of one SOC value to the second SOC value；
It is understood that the default SOC value scope is set according to specific accumulation power supply module situation.Such as calculate institute
There is the average of the SOC value of monomerPresetting SOC value scope isNow the first SOC value is
Second SOC value is
S26：When the SOC value is less than first SOC value, the DC/DC circuits are turned on to be filled to the subject monomers
Electricity；When the SOC value is higher than second SOC value, conducting DC/DC circuits are with to subject monomers electric discharge.
Accordingly, the embodiment of the invention also discloses a kind of balancing equipment of accumulation power supply module voltage, for described
Subject monomers in accumulation power supply module carry out equilibrium treatment；Wherein, tell that accumulation power supply module includes multiple non-linear energy storage
Subject monomers described in the monomer money of characteristic are any monomer in the accumulation power supply module；Shown in Figure 3, the equilibrium is set
It is standby to include measurement apparatus 01, balancer 02, central controller 03；
Wherein central controller 03 performs following steps and carries out equilibrium treatment to subject monomers：
Voltage, electric current and the temperature of subject monomers are obtained by measurement apparatus 01；
According to the voltage, the electric current and the temperature, the SOC value of the subject monomers is calculated；
Whether the SOC value is judged in default SOC value scope, if it is not, then by balancer 02 to the target list
Body carries out corresponding electric voltage equalization measure.
It is understood that equilibrium treatment is typically carried out to all monomers in the accumulation power supply module, to improve storage
The equilibrium degree of energy power supply module.
It is understood that having carried out modularized design to measurement apparatus 01, balancer 02 in the embodiment of the present invention, it is
Successive projects application and maintenance are provided convenience.
Wherein, measurement apparatus 01 generally comprises current sampling resistor, multiple temperature sensors, voltage sensor and supporting
Modulation circuit.Above-mentioned multiple temperature sensors are spread on by external connection in the connecting copper bar of accumulation power supply module, current sample
Resistant series access the main current loop of accumulation power supply module, and remaining circuit integrates on circuit boards together with balancer 02,
It is bolted on accumulation power supply module.Measurement apparatus 01 is connected with central controller 03, will detect electric current, the temperature of gained
Degree and voltage send central controller 03 to.
Wherein, balancer 02 mainly includes two-way DC/DC circuits and supporting modulation circuit.When the default SOC value
Scope is to be specifically used for from the first SOC value to the pre-set interval of the second SOC value, DC/DC circuits：
When the SOC value is less than first SOC value, the subject monomers are charged；
When the SOC value is higher than second SOC value, the subject monomers are discharged.
Further, balancer 02 can also include discharge resistance；
Accordingly, central controller 03 can be also used for before the SOC value for calculating the subject monomers：
Judge the voltage whether in predetermined voltage range；Wherein, the predetermined voltage range is to be pressed onto from the first standard
The pre-set interval of second standard pressure；
When the voltage is in the predetermined voltage range, start it is described calculate the subject monomers SOC value the step of；
When the voltage is less than the first standard pressure, turn on the DC/DC circuits with to subject monomers charging simultaneously
Terminate；
When the voltage is higher than the second standard pressure, the discharge resistance is turned on so that the subject monomers are discharged and tied
Beam.
Further, fuse can also be added in balancer 02, in DC/DC circuits or discharge resistance failure
When fuse so that protect energy storage module.
Further, the balancing equipment in the present embodiment can also include display screen, be connected with central controller 03, be used for
Show the processing procedure of the various status datas and central controller 03 of accumulation power supply module.
Further, the balancing equipment in the present embodiment can also include communication controller, with measurement apparatus 01, balanced dress
Set to 02, central controller 03 to be all connected with, for the control for transmitting signal.
Accordingly, the embodiment of the invention also discloses a kind of readable storage medium storing program for executing, it is stored with the readable storage medium storing program for executing
Computer program, the accumulation power supply mould as described in above any embodiment is realized when the computer program is executed by processor
The step of equalization methods of group voltage.
Detail wherein about above-mentioned readable storage medium storing program for executing refers to foregoing embodiments, repeats no more here.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
Above to a kind of equalization methods, equipment and the readable storage medium storing program for executing of accumulation power supply module voltage provided by the present invention
It is described in detail, specific case used herein is set forth to the principle and embodiment of the present invention, and the above is real
The explanation for applying example is only intended to help the method and its core concept for understanding the present invention；Meanwhile for the general technology of this area
Personnel, according to the thought of the present invention, there will be changes in specific embodiments and applications, in summary, this theory
Bright book content should not be construed as limiting the invention.
Claims (10)
1. a kind of equalization methods of accumulation power supply module voltage, it is characterised in that for the mesh in the accumulation power supply module
Mark monomer and carry out equilibrium treatment；Wherein, the accumulation power supply module includes the monomer of multiple non-linear energy storage characteristics, the target
Monomer is any monomer in the accumulation power supply module；The step of carrying out equilibrium treatment to the subject monomers includes：
Obtain the voltage, electric current and temperature of the subject monomers；
According to the voltage, the electric current and the temperature, the SOC value of the subject monomers is calculated；
Whether the SOC value is judged in default SOC value scope, if it is not, then it is equal to carry out corresponding voltage to the subject monomers
Weighing apparatus measure.
2. equalization methods according to claim 1, it is characterised in that described to judge the SOC value whether in default SOC value model
Enclose, if it is not, then the subject monomers are carried out with the process of corresponding electric voltage equalization measure, including：
Judge the SOC value whether in the default SOC value scope；Wherein, the default SOC value scope is from the first SOC value
To the pre-set interval of the second SOC value；
When the SOC value is less than first SOC value, the DC/DC circuits are turned on to be charged to the subject monomers；
When the SOC value is higher than second SOC value, conducting DC/DC circuits are with to subject monomers electric discharge.
3. equalization methods according to claim 2, it is characterised in that before the SOC value for calculating the subject monomers, also
Including：
Judge the voltage whether in predetermined voltage range；Wherein, the predetermined voltage range is to be pressed onto second from the first standard
The pre-set interval of standard pressure；
When the voltage is in the predetermined voltage range, start it is described calculate the subject monomers SOC value the step of；
When the voltage is less than the first standard pressure, the DC/DC circuits are turned on so that the subject monomers are charged and terminated；
When the voltage is higher than the second standard pressure, conducting discharge resistance is to discharge and terminate to the subject monomers.
4. equalization methods according to claim 1, it is characterised in that the monomer of the non-linear energy storage characteristic surpasses for mixed type
Level electric capacity.
5. according to any one of Claims 1-4 equalization methods, it is characterised in that to owning in the accumulation power supply module
Monomer carries out equilibrium treatment.
6. a kind of balancing equipment of accumulation power supply module voltage, it is characterised in that for the mesh in the accumulation power supply module
Mark monomer and carry out equilibrium treatment；Wherein, tell that accumulation power supply module includes mesh described in the monomer money of multiple non-linear energy storage characteristics
It is any monomer in the accumulation power supply module to mark monomer；The balancing equipment includes measurement apparatus, balancer, center control
Device processed；Wherein described central controller performs following steps and carries out equilibrium treatment to the subject monomers：
Voltage, electric current and the temperature of the subject monomers are obtained by the measurement apparatus；
According to the voltage, the electric current and the temperature, the SOC value of the subject monomers is calculated；
Whether the SOC value is judged in default SOC value scope, if it is not, then by the balancer to the subject monomers
Carry out corresponding electric voltage equalization measure.
7. balancing equipment according to claim 6, it is characterised in that
The default SOC value scope is from the first SOC value to the pre-set interval of the second SOC value；
The balancer includes DC/DC circuits, is used for：
When the SOC value is less than first SOC value, the subject monomers are charged；
When the SOC value is higher than second SOC value, the subject monomers are discharged.
8. balancing equipment according to claim 7, it is characterised in that the balancer also includes discharge resistance；
Accordingly, the central controller is additionally operable to before the SOC value for calculating the subject monomers：
Judge the voltage whether in predetermined voltage range；Wherein, the predetermined voltage range is to be pressed onto second from the first standard
The pre-set interval of standard pressure；
When the voltage is in the predetermined voltage range, start it is described calculate the subject monomers SOC value the step of；
When the voltage is less than the first standard pressure, the DC/DC circuits are turned on so that the subject monomers are charged and terminated；
When the voltage is higher than the second standard pressure, the discharge resistance is turned on so that the subject monomers are discharged and terminated.
9. according to any one of claim 6 to 8 balancing equipment, it is characterised in that the balancing equipment is specifically used for：
Equilibrium treatment is carried out to all monomers in the accumulation power supply module.
10. a kind of readable storage medium storing program for executing, it is characterised in that computer program, the meter are stored with the readable storage medium storing program for executing
The equalization methods of the accumulation power supply module voltage as described in any one of claim 1 to 5 are realized when calculation machine program is executed by processor
The step of.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108583326A (en) * | 2018-04-23 | 2018-09-28 | 西安交通大学 | A kind of batteries of electric automobile group balance control method |
| CN109038707A (en) * | 2018-07-05 | 2018-12-18 | 华中科技大学 | A kind of battery pack segmentation mix balance control method |
| CN110293880A (en) * | 2019-07-09 | 2019-10-01 | 中国计量大学 | Electric car power supply acquisition and balanced management method |
| CN112078369A (en) * | 2020-08-06 | 2020-12-15 | 宁波中车新能源科技有限公司 | Regenerative braking energy feedback device for urban rail transit train |
| CN112078370A (en) * | 2020-08-06 | 2020-12-15 | 宁波中车新能源科技有限公司 | Regenerative braking energy feedback system for urban rail transit train |
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| CN102437613A (en) * | 2011-12-16 | 2012-05-02 | 奇瑞汽车股份有限公司 | Equalization system of lithium ion battery and equalization method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108583326A (en) * | 2018-04-23 | 2018-09-28 | 西安交通大学 | A kind of batteries of electric automobile group balance control method |
| CN109038707A (en) * | 2018-07-05 | 2018-12-18 | 华中科技大学 | A kind of battery pack segmentation mix balance control method |
| CN110293880A (en) * | 2019-07-09 | 2019-10-01 | 中国计量大学 | Electric car power supply acquisition and balanced management method |
| CN112078369A (en) * | 2020-08-06 | 2020-12-15 | 宁波中车新能源科技有限公司 | Regenerative braking energy feedback device for urban rail transit train |
| CN112078370A (en) * | 2020-08-06 | 2020-12-15 | 宁波中车新能源科技有限公司 | Regenerative braking energy feedback system for urban rail transit train |
| CN112078370B (en) * | 2020-08-06 | 2022-05-03 | 宁波中车新能源科技有限公司 | Regenerative braking energy feedback system for urban rail transit train |
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