CN109586355A - Battery power limit guard method and device - Google Patents
Battery power limit guard method and device Download PDFInfo
- Publication number
- CN109586355A CN109586355A CN201811250656.3A CN201811250656A CN109586355A CN 109586355 A CN109586355 A CN 109586355A CN 201811250656 A CN201811250656 A CN 201811250656A CN 109586355 A CN109586355 A CN 109586355A
- Authority
- CN
- China
- Prior art keywords
- power
- discharge
- soc value
- voltage
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000001681 protective effect Effects 0.000 claims description 16
- 238000004590 computer program Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 12
- 238000004146 energy storage Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 230000009514 concussion Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H02J7/0026—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H02J7/0022—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of battery power limit guard method and devices, wherein this method comprises: step S1, receives power dispatching instruction；Step S2 judges that power dispatching instruction is charging instruction or electric discharge instruction；Step S3 is obtained if charging instruction and is judged whether current charging voltage is more than preset overpressure protection threshold value；Step S4, if not exceeded, judging whether current charging voltage is more than preset charged power limit threshold；Step S5, if being more than, limitation charge power be 0 and to discharge power with no restrictions, while obtaining the first current SOC value；Step S6 is obtained in real time and is judged whether to meet preset charged power limitation condition according to current charging SOC value and the first SOC value；Step S7, if satisfied, releasing charge power limitation.SOC value of the present invention is electric quantity change aggregate-value, will not be mutated, so that charge power limitation will not start and release repeatedly, improves the stable performance of system.
Description
Technical field
The present invention relates to technical field of power battery management more particularly to a kind of battery power limit guard method and dresses
It sets.
Background technique
AGC frequency modulation energy-storage system includes stack unit system and energy accumulation current converter cellular system, wherein stack unit
System includes BMS (battery management system), and energy accumulation current converter cellular system includes PCS (energy accumulation current converter).Energy accumulation current converter connects
The random power dispatching instruction of receipts upper layer device (for example: energy storage monitor system EMS), and instructed according to the power dispatching to the electricity
Chi Dui carries out charge and discharge.
Battery pile during the charging process, when BMS detects that current voltage is more than preset overpressure threshold value, generates over-voltage alarm letter
Number to PCS, PCS then stop for the battery pile charge.After stopping charging, the charging voltage automatic fall-back of battery pile, then BMS is again
The secondary voltage detected is less than preset overpressure threshold value, then automatically terminates over-voltage alarm condition, and PCS is that the battery pile is filled again
Electricity, the charging voltage that will lead to the battery pile later is rapidly achieved preset overpressure threshold value again, so that aforesaid operations are repeated,
And then there is the problem of battery charging end power repeatedly starting and stopping concussion.
Summary of the invention
The purpose of the present invention is to provide a kind of battery power limit guard method and devices, to solve existing battery pile
In charge and discharge process, power repeatedly starting and stopping shake the problem of.
To solve the above-mentioned problems, the present invention provides a kind of battery power limit guard methods comprising following steps:
Step S1 receives power dispatching instruction；
Step S2 judges that power dispatching instruction is charging instruction or electric discharge instruction；
Step S3 obtains current charging voltage, and judge current charging voltage if power dispatching instruction is charging instruction
It whether is more than that preset overpressure protects threshold value；
Step S4 judges whether current charging voltage surpasses if current charging voltage is less than preset overpressure protection threshold value
Cross preset charged power limit threshold；
Step S5, if current charging voltage is more than preset charged power limit threshold, limiting charge power is 0, and right
Discharge power with no restrictions, meanwhile, obtain corresponding with current charging voltage the first SOC value；
Step S6 obtains currently charging SOC value in real time, and is judged whether completely according to current charging SOC value and the first SOC value
Sufficient preset charged power limitation condition；
Step S7, if meeting preset charged power limitation condition according to current charging SOC value and the judgement of the first SOC value,
Release charge power limitation.
As a further improvement of the present invention, after step S6, further includes: if according to current charging SOC value and the first SOC
Value judgement is unsatisfactory for preset charged power limitation condition, then repeats step S6, until meeting preset charged power limit item
Part.
As a further improvement of the present invention, preset charged power limitation condition includes: current charging SOC value < first
SOC value-preset charged changing value；Preset charged changing value includes fixed charging changing value or user configuration charging changing value.
As a further improvement of the present invention, after step S3, further includes:
Step S20 executes preset overpressure Preservation tactics if current charging voltage is more than that preset overpressure protects threshold value.
As a further improvement of the present invention, after step S2, further includes:
Step S30 obtains present discharge voltage if power dispatching instruction is electric discharge instruction, and judges present discharge electricity
Whether pressure is lower than default under-voltage protection threshold value；
Step S31 judges whether present discharge voltage is lower than if present discharge voltage is more than default under-voltage protection threshold value
Default discharge power threshold limit；
Step S32, if present discharge voltage is lower than default discharge power threshold limit, limiting discharge power is 0, and right
Charge power with no restrictions, meanwhile, obtain corresponding with present discharge voltage the second SOC value；
Step S33 obtains present discharge SOC value in real time, and is judged whether according to present discharge SOC value and the second SOC value
Meet default discharge power restrictive condition；
Step S34, if being determined to meet default discharge power restrictive condition according to present discharge SOC value and the second SOC value,
Release discharge power limitation.
As a further improvement of the present invention, after step S33, further includes: if according to present discharge SOC value and second
SOC value judgement is unsatisfactory for default discharge power restrictive condition, then repeats step S33, until meeting default discharge power limit
Condition processed.
As a further improvement of the present invention, presetting discharge power restrictive condition includes: present discharge SOC value > second
SOC value+default electric discharge changing value；Default electric discharge changing value includes fixed electric discharge changing value or user configuration electric discharge changing value.
As a further improvement of the present invention, after step S30, further includes:
Step S40 executes default under-voltage protection strategy if present discharge voltage is more than default under-voltage protection threshold value.
To solve the above-mentioned problems, the present invention also provides a kind of battery power limit protective devices comprising processor
And memory, processor couple memory, are stored with the computer program that can be run on a processor on memory；
When processor executes computer program, the step of realizing above-mentioned battery power limit guard method.
Compared with prior art, it is protected if current charging voltage is greater than preset charged power limit threshold and is less than preset overpressure
When protecting threshold value, limitation charge power is 0, and with no restrictions to discharge power, at the same time, is obtained corresponding with current charging voltage
The first SOC value, the subsequent only current charging SOC value that obtains in real time and the first SOC value meet preset charged power limit item
When part, charge power limitation can be just released.In this case, since SOC value is the accumulative process of electric quantity change, so will not picture
Voltage is equally mutated, so that charge power limitation will not start and release repeatedly, to solve in battery pile charging process, function
The problem of rate repeatedly starting and stopping shakes, and then improve the stable performance of AGC frequency modulation energy-storage system.
Detailed description of the invention
Fig. 1 is the flow diagram of battery power limit guard method one embodiment of the present invention；
Fig. 2 is the flow diagram of another embodiment of battery power limit guard method of the present invention
Fig. 3 is the functional block diagram of battery power limit protective device one embodiment of the present invention；
Fig. 4 is the schematic block diagram of battery power limit protective device one embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states, similar reference numerals represent similar component in attached drawing.Obviously, will be described below embodiment is only the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Fig. 1 illustrates one embodiment of battery power limit guard method of the present invention.In the present embodiment, such as Fig. 1 institute
Show, the battery power limit guard method comprising following steps:
Step S1 receives power dispatching instruction.
In the present embodiment, energy accumulation current converter PCS receives the power of upper layer device (for example: energy storage monitor system EMS)
Dispatch command.
Step S2 judges that power dispatching instruction is charging instruction or electric discharge instruction.
In the present embodiment, which judges that power dispatching instruction is charging instruction or electric discharge instruction.If
Power dispatching instruction is charging instruction, thens follow the steps S3.
Step S3 obtains current charging voltage, and judges whether current charging voltage is more than preset overpressure protection threshold value；If
Current charging voltage is less than preset overpressure protection threshold value, thens follow the steps S4.
Step S4 judges whether current charging voltage is more than preset charged power limit threshold；If current charging voltage is super
Preset charged power limit threshold is crossed, S5 is thened follow the steps.
It should be noted that preset charged power limit threshold < preset overpressure protects threshold value.
Step S5, limitation charge power are 0, and with no restrictions to discharge power, meanwhile, it obtains and current charging voltage pair
The first SOC value answered.
Step S6 obtains currently charging SOC value in real time, and is judged whether completely according to current charging SOC value and the first SOC value
Sufficient preset charged power limitation condition.If meeting preset charged power limit according to current charging SOC value and the judgement of the first SOC value
Condition thens follow the steps S7.
On the basis of the present embodiment, in other embodiments, preset charged power limitation condition includes: current charging SOC
The first SOC value of value <-preset charged changing value；Preset charged changing value includes that fixed charging changing value or user configuration charging become
Change value.
The present embodiment can freely configure preset charged changing value according to user demand, to meet the different need of different user
It asks, to improve user experience.
For technical solution of the present invention detailed further, with the first SOC value for 90%, preset charged changing value is
For 5%, this case is described in detail.
When current charging SOC value < 90%-5%=85%, preset charged power limitation condition is set up.
Further, on the basis of the present embodiment, in other embodiments, after step S6, further includes: if according to current
Charging SOC value and the judgement of the first SOC value are unsatisfactory for preset charged power limitation condition, then repeat step S6, until meeting
Preset charged power limitation condition.
Step S7 releases charge power limitation.
If the present embodiment current charging voltage, which is greater than preset charged power limit threshold and is less than preset overpressure, protects threshold value
When, limitation charge power is 0, and with no restrictions to discharge power, at the same time, obtains corresponding with current charging voltage first
SOC value, when the subsequent current charging SOC value only obtained in real time and the first SOC value meet preset charged power limitation condition,
Charge power limitation can be released.In this case, since SOC value is the accumulative process of electric quantity change, so will not be as voltage one
Sample mutation, so that charge power limitation will not start and release repeatedly, so that solving in battery pile charging process, power is repeatedly
The problem of start and stop are shaken, improves the stable performance of AGC frequency modulation energy-storage system.
Further, on the basis of the present embodiment, in other embodiments, after step S3, if current charging voltage is super
Preset overpressure protection threshold value is crossed, S20 is thened follow the steps.
Step S20 then executes preset overpressure Preservation tactics.
If the present embodiment current charging voltage is more than that preset overpressure protects threshold value, BMS actively protects separating brake, stops charging behaviour
Make, to improve the security performance of AGC frequency modulation energy-storage system.
Fig. 2 illustrates another embodiment of battery power limit guard method of the present invention.In the present embodiment, such as Fig. 2
It is shown, the battery power limit guard method comprising following steps:
Step S1 receives power dispatching instruction.
In the present embodiment, energy accumulation current converter PCS receives the power of upper layer device (for example: energy storage monitor system EMS)
Dispatch command.
Step S2 judges that power dispatching instruction is charging instruction or electric discharge instruction.
In the present embodiment, which judges that power dispatching instruction is charging instruction or electric discharge instruction.If
Power dispatching instruction is electric discharge instruction, thens follow the steps S30.
Step S30 obtains present discharge voltage, and judges whether present discharge voltage is lower than default under-voltage protection threshold value.
If present discharge voltage is more than default under-voltage protection threshold value, S31 is thened follow the steps.
Step S31, judges whether present discharge voltage is lower than default discharge power threshold limit.If present discharge voltage is low
In default discharge power threshold limit, S32 is thened follow the steps.
It should be noted that default under-voltage protection threshold value < presets discharge power threshold limit < preset charged power limit
Threshold value < preset overpressure protects threshold value.
Step S32, limitation discharge power are 0, and with no restrictions to charge power, meanwhile, it obtains and present discharge voltage
Corresponding second SOC value.
Step S33 obtains present discharge SOC value in real time, and is judged whether according to present discharge SOC value and the second SOC value
Meet default discharge power restrictive condition.If being determined to meet default discharge power limit according to present discharge SOC value and the second SOC value
Condition processed, thens follow the steps S34.
On the basis of the present embodiment, in other embodiments, presetting discharge power restrictive condition includes: present discharge SOC
The second SOC value of value >+default electric discharge changing value；Default electric discharge changing value includes that fixed electric discharge changing value or user configuration electric discharge become
Change value.
The present embodiment can freely configure default electric discharge changing value according to user demand, to meet the different need of different user
It asks, to improve user experience.
For technical solution of the present invention detailed further, with the second SOC value for 10%, preset charged changing value is
For 8%, this case is described in detail.
When current charging SOC value > 10%+8%=18%, presets discharge power restrictive condition and set up.
Further, on the basis of the present embodiment, in other embodiments, after step S33, if according to present discharge
SOC value and the judgement of the second SOC value are unsatisfactory for default discharge power restrictive condition, then repeat step S33, until meeting default
Discharge power restrictive condition.
Step S34 releases discharge power limitation.
Further, on the basis of the present embodiment, in other embodiments, after step S30, if present discharge voltage is super
Default under-voltage protection threshold value is crossed, S40 is thened follow the steps.
Step S40 executes default under-voltage protection strategy.
If the present embodiment current charging voltage is lower than default under-voltage protection threshold value, BMS actively protects separating brake, stops electric discharge behaviour
Make, to improve the security performance of AGC frequency modulation energy-storage system.
If the present embodiment present discharge voltage is greater than default under-voltage protection threshold value and is less than default discharge power threshold limit
When, limitation discharge power is 0, and with no restrictions to charge power, at the same time, obtains corresponding with present discharge voltage second
SOC value, when the subsequent present discharge SOC value only obtained in real time and the second SOC value meet default discharge power restrictive condition,
Discharge power limitation can be released.In this case, since SOC value is the accumulative process of electric quantity change, so will not be as voltage one
Sample mutation, so that discharge power limitation will not start and release repeatedly, so that solving in battery pile discharge process, power is repeatedly
The problem of start and stop are shaken, improves the stable performance of AGC frequency modulation energy-storage system.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present application constitutes any limit
It is fixed.
Fig. 3 is the functional block diagram for the battery power limit protective device that the application one embodiment provides.Referring to
Fig. 3, the battery power limit protective device include command reception module 10, instruction judgment module 11, over-voltage judgment module 12, fill
Electrical power limits judgment module 13, charge power limitation processing module 14, charge power restrictive condition judgment module 15 and charging
Power limit releases module 16.
Wherein, command reception module 10, for receiving power dispatching instruction；Judgment module 11 is instructed, for judging power
Dispatch command is charging instruction or electric discharge instruction；Over-voltage judgment module 12, if being charging instruction for power dispatching instruction,
Current charging voltage is obtained, and judges whether current charging voltage is more than preset overpressure protection threshold value；Charge power limitation judgement
Module 13 judges whether current charging voltage is more than pre- if being less than preset overpressure protection threshold value for current charging voltage
If charge power threshold limit；Charge power limits processing module 14, if being more than preset charged power for current charging voltage
Threshold limit, then limiting charge power is 0, and with no restrictions to discharge power, meanwhile, it obtains corresponding with current charging voltage
First SOC value；Charge power restrictive condition judgment module 15, for obtaining current charging SOC value in real time, and according to current charging
SOC value and the first SOC value judge whether to meet preset charged power limitation condition；Charge power restriction cancellation module 16, is used for
If meeting preset charged power limitation condition according to current charging SOC value and the judgement of the first SOC value, charge power limit is released
System.
Further, on the basis of the present embodiment, in other embodiments, if according to current charging SOC value and the first SOC value
Judgement is unsatisfactory for preset charged power limitation condition, then repeats charge power restrictive condition judgment module 15, until meeting
Preset charged power limitation condition.
Further, on the basis of the present embodiment, in other embodiments, preset charged power limitation condition includes: current
Charge the first SOC value of SOC value <-preset charged changing value；Preset charged changing value includes that fixed charging changing value or user match
Set charging changing value.
Further, on the basis of the present embodiment, in other embodiments, which further included
Press protective module 20.Wherein, the overvoltage protective module 20, if being more than that preset overpressure protects threshold value for current charging voltage,
Execute preset overpressure Preservation tactics.
Further, on the basis of the present embodiment, in other embodiments, referring to Fig. 3, the battery power limit protective device
It further include under-voltage judgment module 30, discharge power limitation judgment module 31, discharge power limitation processing module 32, discharge power limit
Condition judgment module 33 processed and discharge power restriction cancellation module 34.
Wherein, under-voltage judgment module 30 obtains present discharge voltage if being electric discharge instruction for power dispatching instruction,
And judge whether present discharge voltage is lower than default under-voltage protection threshold value；Discharge power limits judgment module 31, if for current
Discharge voltage is more than default under-voltage protection threshold value, then judges whether present discharge voltage is lower than default discharge power threshold limit；
Discharge power limits processing module 32, if present discharge voltage is lower than default discharge power threshold limit, limits discharge power
It is 0, and with no restrictions to charge power, meanwhile, obtain the second SOC value corresponding with present discharge voltage；Discharge power limitation
Condition judgment module 33 obtains present discharge SOC value in real time, and is judged whether completely according to present discharge SOC value and the second SOC value
The default discharge power restrictive condition of foot；Discharge power restriction cancellation module 34, if for according to present discharge SOC value and second
SOC value determines to meet default discharge power restrictive condition, then releases discharge power and limit.
Further, on the basis of the present embodiment, in other embodiments, if according to present discharge SOC value and the second SOC value
Judgement is unsatisfactory for default discharge power restrictive condition, then repeats discharge power restrictive condition judgment module 33, until meeting
Default discharge power restrictive condition.
Further, on the basis of the present embodiment, in other embodiments, it includes: current for presetting discharge power restrictive condition
Discharge the second SOC value of SOC value >+default electric discharge changing value；Default electric discharge changing value includes that fixed electric discharge changing value or user match
Put Electrical change value.
Further, on the basis of the present embodiment, in other embodiments, referring to Fig. 3, the battery power limit protective device
It further include under-voltage protective module 40.Wherein, under-voltage protective module 40, if being more than default under-voltage protection threshold for present discharge voltage
Value then executes default under-voltage protection strategy.
It should be noted that the execution of all functional modules in the present embodiment all can be on BMS, it can also be in PCS
On, in other words, which is also possible to battery management system BMS, in addition, the power of battery limits
Protective device processed is also possible to energy accumulation current converter PCS.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of battery power limit protective device is divided into different functional unit or mould
Block, to complete all or part of the functions described above.Each functional unit in embodiment, module can integrate at one
It manages in unit, is also possible to each unit and physically exists alone, can also be integrated in one unit with two or more units
In, above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.Separately
Outside, each functional unit, module specific name be also only for convenience of distinguishing each other, the protection model being not intended to limit this application
It encloses.The specific work process of unit in above-mentioned apparatus, module, can refer to corresponding processes in the foregoing method embodiment, herein
It repeats no more.
Fig. 4 is the schematic block diagram for the battery power limit protective device that another embodiment of the application provides, referring to fig. 4,
Battery power limit protective device in the embodiment includes: at least one processor 80, memory 81 and is stored in this and deposits
In reservoir 81 and the computer program 810 that can be run on processor 80.When processor 80 executes computer program 810, realize
Step in the battery power limit guard method of above-described embodiment description, such as: step S1- step S7 shown in FIG. 1.Or
Person realizes the function of each module/unit in above-mentioned mobile terminal embodiment, example when processor 80 executes computer program 810
As: the function of the module of module 10- shown in Fig. 3 16.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
The specific embodiment of invention is described in detail above, but it is only used as example, the present invention is not intended to limit
With specific embodiments described above.For a person skilled in the art, any equivalent modifications that the invention is carried out
Or substitute also all among scope of the invention, therefore, the made equalization in the case where not departing from the spirit and principles in the present invention range
Transformation and modification, improvement etc., all should be contained within the scope of the invention.
Claims (9)
1. a kind of battery power limit guard method, which is characterized in that it includes the following steps:
Step S1 receives power dispatching instruction；
Step S2 judges that the power dispatching instruction is charging instruction or electric discharge instruction；
Step S3 obtains current charging voltage, and judge the current charging if power dispatching instruction is charging instruction
Whether voltage is more than preset overpressure protection threshold value；
Step S4 judges that the current charging voltage is if the current charging voltage is less than preset overpressure protection threshold value
No is more than preset charged power limit threshold；
Step S5, if the current charging voltage is more than preset charged power limit threshold, limiting charge power is 0, and right
Discharge power with no restrictions, meanwhile, obtain corresponding with the current charging voltage the first SOC value；
Step S6 obtains current charging SOC value in real time, and is according to the current charging SOC value and first SOC value judgement
It is no to meet preset charged power limitation condition；
Step S7, if meeting preset charged power limit item according to the current charging SOC value and first SOC value judgement
Part then releases the charge power limitation.
2. battery power limit guard method according to claim 1, which is characterized in that after the step S6, also wrap
It includes: if being unsatisfactory for preset charged power limitation condition according to the current charging SOC value and first SOC value judgement, weighing
Step S6 is executed again, until meeting the preset charged power limitation condition.
3. battery power limit guard method according to claim 2, which is characterized in that the preset charged power limit
Condition includes: the first SOC value-preset charged changing value described in the current charging SOC value <；The preset charged changing value packet
Include fixed charging changing value or user configuration charging changing value.
4. battery power limit guard method according to claim 1, which is characterized in that after the step S3, also wrap
It includes:
Step S20 executes preset overpressure Preservation tactics if the current charging voltage is more than that preset overpressure protects threshold value.
5. battery power limit guard method according to claim 1, which is characterized in that after the step S2, also wrap
It includes:
Step S30 obtains present discharge voltage if power dispatching instruction is electric discharge instruction, and judges described currently to put
Whether piezoelectric voltage is lower than default under-voltage protection threshold value；
Whether step S31 judges the present discharge voltage if the present discharge voltage is more than default under-voltage protection threshold value
Lower than default discharge power threshold limit；
Step S32, if the present discharge voltage is lower than default discharge power threshold limit, limiting discharge power is 0, and right
Charge power with no restrictions, meanwhile, obtain corresponding with the present discharge voltage the second SOC value；
Step S33 obtains present discharge SOC value in real time, and is judged according to the present discharge SOC value and second SOC value
Whether satisfaction presets discharge power restrictive condition；
Step S34, if determining that meeting default discharge power limits item according to the present discharge SOC value and second SOC value
Part then releases the discharge power limitation.
6. battery power limit guard method according to claim 5, which is characterized in that after the step S33, also wrap
It includes: if being unsatisfactory for default discharge power restrictive condition according to the present discharge SOC value and second SOC value judgement, weighing
Step S33 is executed again, until meeting the default discharge power restrictive condition.
7. battery power limit guard method according to claim 6, which is characterized in that the default discharge power limitation
Condition includes: the second SOC value described in the present discharge SOC value >+default electric discharge changing value；The default electric discharge changing value packet
Include fixed electric discharge changing value or user configuration electric discharge changing value.
8. battery power limit guard method according to claim 1, which is characterized in that after the step S30, also wrap
It includes:
Step S40 executes default under-voltage protection strategy if the present discharge voltage is more than default under-voltage protection threshold value.
9. a kind of battery power limit protective device, which is characterized in that it includes processor and memory, the processor coupling
Memory is stored with the computer program that can be run on the processor on the memory；
When the processor executes the computer program, battery power limit protection described in one of claim 1-8 is realized
The step of method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250656.3A CN109586355A (en) | 2018-10-25 | 2018-10-25 | Battery power limit guard method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250656.3A CN109586355A (en) | 2018-10-25 | 2018-10-25 | Battery power limit guard method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109586355A true CN109586355A (en) | 2019-04-05 |
Family
ID=65920801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811250656.3A Pending CN109586355A (en) | 2018-10-25 | 2018-10-25 | Battery power limit guard method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109586355A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286328A (en) * | 2019-06-27 | 2019-09-27 | 蜂巢能源科技有限公司 | Battery pack simulation power input control method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012108674A1 (en) * | 2011-09-22 | 2013-03-28 | Fuji Jukogyo Kabushiki Kaisha | Power supply system, electric vehicle and charging adapter |
| CN104852381A (en) * | 2015-05-29 | 2015-08-19 | 国网电力科学研究院武汉南瑞有限责任公司 | Mobile shelter monitoring system and battery energy storage system charge and discharge control method |
-
2018
- 2018-10-25 CN CN201811250656.3A patent/CN109586355A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012108674A1 (en) * | 2011-09-22 | 2013-03-28 | Fuji Jukogyo Kabushiki Kaisha | Power supply system, electric vehicle and charging adapter |
| CN104852381A (en) * | 2015-05-29 | 2015-08-19 | 国网电力科学研究院武汉南瑞有限责任公司 | Mobile shelter monitoring system and battery energy storage system charge and discharge control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286328A (en) * | 2019-06-27 | 2019-09-27 | 蜂巢能源科技有限公司 | Battery pack simulation power input control method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106412343A (en) | Power consumption control method and device and mobile terminal | |
| CN106740218A (en) | Charging system and charging method | |
| CN104849666B (en) | A kind of battery bag SOC evaluation method and system | |
| US9847663B2 (en) | Secondary-battery charging system and method and battery pack | |
| CN105262159B (en) | Charge and discharge control super capacitance management device and its system with mouth | |
| CN109888420A (en) | A kind of charging method, device and the terminal device of lithium ion battery packet | |
| CN106785134A (en) | The method for charging batteries and device of terminal device | |
| CN108016315A (en) | A kind of safety protecting method of electric charging station, system and terminal device | |
| CN110061316B (en) | Energy storage battery charging and discharging management method and device and charging and discharging manager | |
| CN111130154A (en) | Terminal charging and discharging control method and device, storage medium and electronic device | |
| CN109586355A (en) | Battery power limit guard method and device | |
| CN108155692B (en) | Charging and discharging management method and electronic equipment | |
| CN111030211A (en) | Battery charging and discharging control method and device, storage medium and electric vehicle | |
| CN108656972A (en) | A kind of electric vehicle charging/discharging thereof and device | |
| US20160308376A1 (en) | Energy storage system | |
| US8228654B2 (en) | Apparatus and method for protecting battery by comparison of full charge capacity | |
| CN107863806A (en) | Battery charging system and battery charging method | |
| CN114156968A (en) | Charging and discharging control method and device of energy storage system, controller and energy storage system | |
| CN109130940A (en) | charging method and device | |
| CN105098862A (en) | Charging control method, charging control device and charging control terminal | |
| CN106787005A (en) | A kind of method of charging, terminal and charger | |
| KR102197409B1 (en) | Battery Pack And Battery Pack Protection Method Using the same | |
| CN109256835A (en) | A kind of charge control method of mobile terminal, storage medium and mobile terminal | |
| CN104956567B (en) | A kind of method and apparatus of unlatching near-field communication NFC wireless chargings service | |
| CN109786877A (en) | A kind of charging method, device and the terminal device of lithium ion battery packet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |
|
| RJ01 | Rejection of invention patent application after publication |