CN108899975A - A kind of battery system - Google Patents
A kind of battery system Download PDFInfo
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- CN108899975A CN108899975A CN201810906920.8A CN201810906920A CN108899975A CN 108899975 A CN108899975 A CN 108899975A CN 201810906920 A CN201810906920 A CN 201810906920A CN 108899975 A CN108899975 A CN 108899975A
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- 230000006866 deterioration Effects 0.000 claims abstract description 16
- 230000003750 conditioning effect Effects 0.000 claims abstract description 11
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 19
- 230000007958 sleep Effects 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- H02J7/027—
Abstract
The present invention provides a kind of battery system for the deterioration for providing multiple batteries for being able to suppress composition battery, the battery including multiple series-connected cells;Battery management circuit, for continuously monitoring the state of battery;Power source regulating circuit, for the alternating current of power-supply system to be converted to direct current and AC power source is output to electric system;And controller, it is configured as receiving the charge/discharge request provided from battery management circuit and battery information;Power conditioning circuitry is controlled based on charge/discharge request and battery information, controller is configured as receiving battery information and performing control to power conditioning circuitry exporting charge/discharge order, so that average voltage is that multiple batteries are maintained in the holding voltage range for inhibiting battery deterioration;When it includes keeping the allowable voltage range of voltage range that the voltage for including any one of multiple batteries in battery information battery, which exceeds, stopping executes control.
Description
Technical field
The present invention relates to electric energy storage fields, in particular to a kind of battery system.
Background technique
Battery system is the tie between battery and user, and main object is secondary cell.There are following for secondary cell
Some disadvantages, such as storage energy is few, the service life is short, in series and parallel using problem, safety in utilization, battery capacity estimate difficulty.
The performance of battery be it is very complicated, different types of battery behavior also differs greatly.Battery management system（BMS）Mainly it is exactly
In order to improve the utilization rate of battery, prevents battery from overcharge and overdischarge occur, extend the service life of battery, monitoring electricity
The state in pond.With the development of battery management system, it can also increase other functions.BMS is generally used for：Accurate estimation power electric
The state-of-charge (State of Charge, i.e. SOC) of pond group, i.e. battery dump energy, guarantee that SOC maintains reasonable range
It is interior, the damage due to overcharging or overdischarging to battery is prevented, so that forecast hybrid vehicle energy-storage battery there remains at any time
The state-of-charge of how many energy or energy-storage battery.In battery charge and discharge process, acquire in accumulator of electric car group in real time
Every piece of battery end voltage and temperature, charging and discharging currents and battery pack total voltage, prevent battery occur overcharging or overdischarging
Phenomenon.Battery condition can be provided in time simultaneously, picks out problematic battery, keep the reliability and height of whole group battery operation
Effect property, make remaining capacity estimation model is implemented as possibility.In addition to this, the usage history shelves of every piece of battery also to be established
Case provides data to advanced optimize and developing Novel electric, charger, motor etc., for the off-line analysis system failure provide according to
According to；And single battery equalizaing charge is carried out, so that each battery in battery pack is all reached balanced consistent state.Balancing technique is
Endeavouring the key technology of a battery management system (bms) of research and development in the world.
Furthermore the service life of battery changes with voltage is kept.Sleep control be referred to as control, with by battery not
The voltage of battery is maintained at when use in the proper range for keeping voltage and inhibits the deterioration of battery.It is slept in EMS management
It sleeps in the case where control, EMS is difficult to the state for continuing to grasp all cells and executes the control of intense adjustment as previously described.Cause
This, the voltage based on entire battery executes control.It is difficult to individually monitor each battery for constituting battery in conventional methods where
Voltage.Therefore, although the average voltage of battery is whole in the range of keeping voltage, particular battery may have different
Normal voltage.In this case, the voltage of correlation unit, which is not kept at, keeps in voltage range, therefore execute in this state
Sleep control may lead to the accelerated deterioration of correlation unit on the contrary.The summary of the invention present invention is to complete in view of the above problems
, its purpose is to provide a kind of battery systems of the deterioration of multiple batteries for being able to suppress composition battery.
Summary of the invention
The invention proposes a kind of battery system, it is connected to electric system and based on carrying out Self management electric system
The charge/discharge of power supply/demand Energy Management System is requested and is operated, and the battery system includes：Including multiple
The battery of series-connected cell;Battery management circuit, for continuously monitoring the state of battery;Power source regulating circuit, being used for will be electric
The alternating current of source system is converted to direct current;To charge the battery using direct current;The direct current battery of conversion storage enters friendship
Galvanic electricity source;And AC power source is output to electric system;And controller, it is configured as receiving and be filled from what battery management circuit provided
Electricity/electric discharge request and battery information;Power conditioning circuitry, feature are controlled based on charge/discharge request and battery information
It is, controller is configured as receiving battery information and performing control to power conditioning circuitry exporting charge/discharge order,
So that average voltage is that multiple batteries are maintained in the holding voltage range for inhibiting battery deterioration;When being included in battery information
In the voltage of any one of multiple batteries battery to exceed include when keeping the allowable voltage range of voltage range, stopping holding
Row control.
Further, the controller is configured as executing at interlocking when detecting the exception of the battery system
Reason, the interlock process correspond to detected abnormal content.
Further, the controller is configured as detecting the different of the battery system based on the battery information
Often.
Further, the controller is configured as：The battery system used by the electric system is stored in advance
System uses timetable.
Further, the timetable includes setting for the battery system cut for the peak value of the electric system
The peak value cutting period set and the preparation period being arranged before the peak value cutting period, and the controller includes：Peak
Value cutting preparatory function, for terminating sleep control during preparation, to increase the voltage of battery.
Specific embodiment
In order to enable the objectives, technical solutions, and advantages of the present invention are more clearly understood, below in conjunction with embodiment, to this
Invention is further elaborated；It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, not
For limiting the present invention.To those skilled in the art, after access is described in detail below, other systems of the present embodiment
System, method and/or feature will become obvious.All such additional systems, method, feature and advantage are intended to be included in
It in this specification, is included within the scope of the invention, and by the protection of the appended claims.In description described in detail below
The other feature of the disclosed embodiments, and these characteristic roots will be apparent according to described in detail below.
Embodiment one.
The invention proposes a kind of battery system, it is connected to electric system and based on carrying out Self management electric system
The charge/discharge of power supply/demand Energy Management System is requested and is operated, and the battery system includes：Including multiple
The battery of series-connected cell;Battery management circuit, for continuously monitoring the state of battery;Power source regulating circuit, being used for will be electric
The alternating current of source system is converted to direct current;To charge the battery using direct current;The direct current battery of conversion storage enters friendship
Galvanic electricity source;And AC power source is output to electric system;And controller, it is configured as receiving and be filled from what battery management circuit provided
Electricity/electric discharge request and battery information;Power conditioning circuitry, feature are controlled based on charge/discharge request and battery information
It is, controller is configured as receiving battery information and performing control to power conditioning circuitry exporting charge/discharge order,
So that average voltage is that multiple batteries are maintained in the holding voltage range for inhibiting battery deterioration;When being included in battery information
In the voltage of any one of multiple batteries battery to exceed include when keeping the allowable voltage range of voltage range, stopping holding
Row control.
Further, the controller is configured as executing at interlocking when detecting the exception of the battery system
Reason, the interlock process correspond to detected abnormal content.The controller is configured as believing based on the battery
It ceases to detect the exception of the battery system.The controller is configured as：It is stored in advance and is used by the electric system
The battery system uses timetable.The timetable includes the storage to cut for the peak value of the electric system
The peak value cutting period of battery system setting and the preparation period being arranged before the peak value cutting period, and the control
Device includes：Peak value cuts preparatory function, for terminating sleep control during preparation, to increase the voltage of battery.
Embodiment two.
Continue to construct a kind of battery system in the present embodiment, be connected to electric system and be based on coming from
It manages the charge/discharge request of power supply/demand Energy Management System of electric system and operates, the battery system
Including：Battery including multiple series-connected cells;Battery management circuit, for continuously monitoring the state of battery;Power supply is adjusted
Circuit, for the alternating current of power-supply system to be converted to direct current;To charge the battery using direct current;Convert the direct current of storage
Battery enters AC power source;And AC power source is output to electric system;And controller, it is configured as receiving from battery management
The charge/discharge request and battery information that circuit provides;Power regulation is controlled based on charge/discharge request and battery information
Circuit, which is characterized in that controller is configured as receiving battery information and performing control to filling to power conditioning circuitry output
Electricity/electric discharge order, so that average voltage is that multiple batteries are maintained in the holding voltage range for inhibiting battery deterioration;Work as electric power storage
When the voltage of any one of the multiple batteries for including in the information of pond battery exceeds the allowable voltage range including the battery, stop
Only execute control;Interlock process is executed when detecting the exception of battery system based on battery information, the interlock process pair
The abnormal content that Ying Yu is detected.
Battery system based on the present embodiment can determine the charge/discharge request that PCS is supplied to from EMS, to put down
Power supply/demand in entire electric system of weighing.However, the determination is not necessarily suited for battery.Since EMS is executed largely
Algorithm calculations, therefore EMS is difficult to constantly to grasp the state of the battery of the recipient as request and executes and the shape
The corresponding control fine-tuned of state.When battery system especially has large capacity, battery is made of a large amount of batteries.?
In one specific example, battery is made of hundreds of batteries to tens of thousands of a batteries.Therefore, it is difficult to persistently grasp all these
The state of cell.Incidentally, the service life of battery changes with voltage is kept.Sleep control be referred to as control, with by
The voltage of battery is maintained in the proper range for keeping voltage the deterioration for inhibiting battery by battery when not in use.?
In the case that EMS management of sleep controls, EMS is difficult to the state for continuing to grasp all cells and executes intense adjustment as previously described
Control.Therefore, the voltage based on entire battery executes control.It is difficult to individually monitor in conventional methods where and constitutes battery
The voltage of each battery.Therefore, although the average voltage of battery is whole in the range of keeping voltage, particular battery can
There can be abnormal voltage.In this case, the voltage of correlation unit, which is not kept at, keeps in voltage range, therefore in the state
The sleep control of lower execution may lead to the accelerated deterioration of correlation unit on the contrary.
Embodiment three.
The present embodiment is connected to electric system and is based on carrying out Self management electric system continuing with the battery system
Power supply/demand Energy Management System charge/discharge request and operate, the battery system includes：Including more
The battery of a series-connected cell;Battery management circuit, for continuously monitoring the state of battery;Power source regulating circuit, being used for will
The alternating current of power-supply system is converted to direct current;To charge the battery using direct current;The direct current battery of conversion storage enters
AC power source;And AC power source is output to electric system;And controller, it is configured as receiving from battery management circuit offer
Charge/discharge request and battery information;Power conditioning circuitry is controlled based on charge/discharge request and battery information, it is special
Sign is that controller is configured as receiving battery information and perform control to power conditioning circuitry output charge/discharge life
It enables, so that average voltage is that multiple batteries are maintained in the holding voltage range for inhibiting battery deterioration;When in battery information
When the voltage of any one of the multiple batteries for including battery exceeds the allowable voltage range including the battery, stopping executes control
System;And the timetable that uses for the battery system that electric system uses is preset, and control is executed according to timetable.
Control equipment is the equipment between Energy Management System and power regulating system in the present embodiment.Control dress
Set the charge/discharge request for receiving and being supplied to battery system from Energy Management System.Control device is configured as and charges/puts
Electricity request receives the battery information provided from battery management unit together, and based on charge/discharge request and battery information
Control electric power regulating system.Controlling equipment includes sleep control unit.Sleep control unit is configured as receiving battery information
And sleep control is executed to export charge/discharge order to electric power regulating system, so that the average voltage of each battery is maintained at
In the range of the holding voltage for inhibiting deterioration.Battery.Keeping voltage is the deterioration that can farthest inhibit battery
And the different voltage for every kind of battery types.Voltage range is kept to be to maintain the preset range near voltage, this
It is enough to inhibit the deterioration of battery.Control unit of sleeping exports charge/discharge order to electric power regulating system, so that being included in storage
The average voltage of multiple batteries in battery information is maintained in the range of the holding voltage for inhibiting battery deterioration.Sleep control
Unit processed further includes that sleep control stops function, includes any one of multiple batteries in battery information electricity for working as
It includes stopping sleep control when keeping the allowable voltage range of voltage range that the voltage in pond, which exceeds,.Allow the upper limit quilt of voltage range
It is set as being less than the interlocking threshold value for determining the overcharge of battery.Allow the lower limit of voltage range to be set higher than to be used for
Determine the interlocking threshold value of the overdischarge of battery.
Although describing the present invention by reference to various embodiments above, but it is to be understood that of the invention not departing from
In the case where range, many changes and modifications can be carried out.That is methods discussed above, system and equipment are examples.
Various configurations can be omitted suitably, replace or add various processes or component.For example, in alternative configuration, can with institute
The order in a different order of description executes method, and/or can add, and omits and/or combine the various stages.Moreover, about certain
The feature of a little configuration descriptions can be combined with various other configurations.The different aspect and member of configuration can be combined in a similar way
Element.In addition, technology develops, therefore, many elements are examples, are not intended to limit the range of the disclosure or claims.
Give detail in the description to provide to the thorough understanding for including the exemplary configuration realized.However,
Configuration can be practiced without these specific details for example, having been illustrated with well-known circuit, and process is calculated
Method, structure and technology are without unnecessary details, to avoid fuzzy configuration.The description only provides example arrangement, and unlimited
The scope of the claims processed, applicability or configuration.It is used on the contrary, front will provide the description of configuration for those skilled in the art
Realize the enabled description of described technology.It, can be to the function of element without departing from the spirit or the scope of the present disclosure
It can and arrange and carry out various changes.
In addition, many operations can be in parallel or concurrently although each operation can describe the operations as sequential process
It executes.Furthermore it is possible to rearrange the sequence of operation.One process may have other steps.Furthermore, it is possible to by hardware, it is soft
Part, firmware, middleware, microcode, hardware description language or any combination thereof carry out the example of implementation method.When in software, firmware,
When realizing in middleware or microcode, program code or code segment for executing necessary task can store to be situated between in such as storage
In the non-transitory computer-readable medium of matter, and described task is executed by processor.
To sum up, be intended to foregoing detailed description be considered as it is illustrative and not restrictive, and it is to be understood that below
Claim (including all equivalents) is intended to limit the spirit and scope of the present invention.The above embodiment is interpreted as only using
In illustrating the present invention rather than limit the scope of the invention.After the content for having read record of the invention, technology
Personnel can make various changes or modifications the present invention, these equivalence changes and modification equally fall into the claims in the present invention and limited
Fixed range.
Claims (5)
1. a kind of battery system is connected to electric system and based on the power supply/demand for carrying out Self management electric system
Energy Management System charge/discharge request and operate, the battery system includes：Electric power storage including multiple series-connected cells
Pond;Battery management circuit, for continuously monitoring the state of battery;Power source regulating circuit, for by the alternating current of power-supply system
Be converted to direct current;To charge the battery using direct current;The direct current battery of conversion storage enters AC power source;And it will exchange
Power supply is output to electric system;And controller, it is configured as receiving the charge/discharge request provided from battery management circuit and store
Battery information;Power conditioning circuitry is controlled based on charge/discharge request and battery information, which is characterized in that controller is matched
It is set to receive battery information and perform control to power conditioning circuitry and exports charge/discharge order, so that average voltage is
Multiple batteries are maintained in the holding voltage range for inhibiting battery deterioration;When including in multiple batteries in battery information
The voltage of any one battery to exceed include when keeping the allowable voltage range of voltage range, stopping executes control.
2. battery system according to claim 1, which is characterized in that the controller be configured as detect it is described
Interlock process is executed when the exception of battery system, the interlock process corresponds to detected abnormal content.
3. battery system according to claim 2, which is characterized in that the controller is configured as based on the electric power storage
Pond information detects the exception of the battery system.
4. battery system according to claim 3, which is characterized in that the controller is configured as：Be stored in advance by
The battery system that the electric system uses uses timetable.
5. battery system according to claim 4, which is characterized in that the timetable includes for for the power train
The peak value cutting period of the battery system setting of the peak value cutting of system and it is arranged before the peak value cuts the period
Prepare the period, and the controller includes：Peak value cuts preparatory function, for terminating sleep control during preparation, to increase
Add the voltage of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810906920.8A CN108899975A (en) | 2018-08-10 | 2018-08-10 | A kind of battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810906920.8A CN108899975A (en) | 2018-08-10 | 2018-08-10 | A kind of battery system |
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| CN108899975A true CN108899975A (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810906920.8A Withdrawn CN108899975A (en) | 2018-08-10 | 2018-08-10 | A kind of battery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113767542A (en) * | 2019-09-09 | 2021-12-07 | 株式会社Lg新能源 | Power saving apparatus and method for managing battery |
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| CN103918120A (en) * | 2011-10-11 | 2014-07-09 | 新神户电机株式会社 | Lead storage battery system |
| WO2014157449A1 (en) * | 2013-03-29 | 2014-10-02 | 日本電気株式会社 | Charging/discharging device, charging/discharging control method, and program |
| CN104617633A (en) * | 2015-02-24 | 2015-05-13 | 刘光辰 | Intelligent battery, electricity transfer bus system and balanced charging and discharging method |
| CN105556785A (en) * | 2013-09-19 | 2016-05-04 | 东芝三菱电机产业系统株式会社 | Storage battery system |
| EP3054554A1 (en) * | 2015-02-03 | 2016-08-10 | Samsung SDI Co., Ltd. | Battery pack and method of controlling the same |
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2018
- 2018-08-10 CN CN201810906920.8A patent/CN108899975A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103918120A (en) * | 2011-10-11 | 2014-07-09 | 新神户电机株式会社 | Lead storage battery system |
| CN103001286A (en) * | 2012-11-14 | 2013-03-27 | 北京汇众实业总公司 | Intelligent storage battery and storage battery system |
| WO2014157449A1 (en) * | 2013-03-29 | 2014-10-02 | 日本電気株式会社 | Charging/discharging device, charging/discharging control method, and program |
| CN105556785A (en) * | 2013-09-19 | 2016-05-04 | 东芝三菱电机产业系统株式会社 | Storage battery system |
| EP3054554A1 (en) * | 2015-02-03 | 2016-08-10 | Samsung SDI Co., Ltd. | Battery pack and method of controlling the same |
| CN104617633A (en) * | 2015-02-24 | 2015-05-13 | 刘光辰 | Intelligent battery, electricity transfer bus system and balanced charging and discharging method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113767542A (en) * | 2019-09-09 | 2021-12-07 | 株式会社Lg新能源 | Power saving apparatus and method for managing battery |
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Application publication date: 20181127 |