CN105703025B - A kind of the battery modules charging method and device of vehicle-mounted chargeable energy-storage system - Google Patents
A kind of the battery modules charging method and device of vehicle-mounted chargeable energy-storage system Download PDFInfo
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- CN105703025B CN105703025B CN201610079739.5A CN201610079739A CN105703025B CN 105703025 B CN105703025 B CN 105703025B CN 201610079739 A CN201610079739 A CN 201610079739A CN 105703025 B CN105703025 B CN 105703025B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Embodiment of the present invention discloses the battery modules charging method and device of a kind of vehicle-mounted chargeable energy-storage system.This method comprises: detection battery modules temperature value and vehicle external environment temperature value；When the battery modules temperature value is higher than preset battery modules low temperature threshold value and is lower than preset battery modules high temperature threshold value, and the vehicle external environment temperature value enables the electric discharge of battery modules full power higher than preset low ambient temperature threshold value and when being lower than preset high ambient temperature threshold value.Embodiment of the present invention passes through detection battery modules temperature and environment temperature, the discharge capability of limitation battery modules under extreme conditions, to guarantee the service life of battery modules.
Description
Technical field
The present invention relates to automobile technical fields, more particularly, to a kind of battery modules of vehicle-mounted chargeable energy-storage system
Charging method and device.
Background technique
Energy shortage, oil crisis and environmental pollution grow in intensity, and bring tremendous influence, direct relation to people's lives
To the sustainable development of national economy and society.Countries in the world are all in active development new energy technology.Electric car is as a kind of
Reduce the new-energy automobile of consumption of petroleum, low pollution, low noise, it is considered to be solve the important way of energy crisis and environmental degradation
Diameter.Hybrid vehicle combines the advantage of pure electric automobile and traditional combustion engine automobile, is meeting vehicle dynamic quality requirement
Under the premise of being required with continual mileage, effectively improve fuel economy, reduce discharge, it is considered to be current energy conservation with subtract
One of active path of row.
In current electric car, battery management system executes battery thermal management for battery modules.It is vehicle-mounted chargeable
Energy-storage system (Rechargeable Energy Storage System, RESS) is energy that is chargeable and can provide electric energy
Measure storage system.RESS system can promote battery security, and reduce cost.
In the heat management control of discharge program of current vehicle-mounted RESS system, it is based only upon the internal temperature control of battery modules
The discharge power of battery modules.Fig. 1 is heat management control of discharge schematic diagram in the prior art.As seen from Figure 1, in the prior art
In, as long as the internal temperature of battery modules is between low temperature threshold value A and high temperature threshold value B, battery modules can expire function
Rate electric discharge, and it is not intended that the influence of environment temperature.
However, battery modules also suffer from the influence of environment temperature in actual use.Under extreme ambient temperature, if
The discharge capability of battery modules is not limited in advance, it is likely that influence the service life of battery modules.
Summary of the invention
The purpose of the present invention is to propose to the battery modules charging methods and device of a kind of vehicle-mounted chargeable energy-storage system, thus
Just the service life of battery modules is improved.
In embodiments of the present invention, a kind of battery modules charging method of vehicle-mounted chargeable energy-storage system, comprising:
Detect battery modules temperature value and vehicle external environment temperature value；
When the battery modules temperature value is higher than preset battery modules low temperature threshold value and lower than preset
Battery modules high temperature threshold value, and the vehicle external environment temperature value is higher than preset low ambient temperature threshold value and lower than pre-
When the high ambient temperature threshold value first set, the battery modules full power electric discharge is enabled.
Preferably, this method further include:
When the vehicle external environment temperature value is lower than the low ambient temperature threshold value, enables the battery modules limit power and put
Electricity.
Preferably, this method further include:
When the vehicle external environment temperature value is higher than the high ambient temperature threshold value, enables the battery modules limit power and put
Electricity.
Preferably, this method further include:
When the battery modules temperature value is lower than the battery modules low temperature threshold value, the battery modules limit function is enabled
Rate electric discharge.
Preferably, this method further include:
When the battery modules temperature value is higher than the battery modules high temperature threshold value, the battery modules limit function is enabled
Rate electric discharge.
In embodiments of the present invention, a kind of battery modules electric discharge device of vehicle-mounted chargeable energy-storage system, comprising:
Battery modules temperature detecting module, for detecting battery modules temperature value；
Vehicle external environment temperature detecting module, for detecting vehicle external environment temperature value；
Discharge module, for being higher than preset battery modules low temperature threshold value and low when the battery modules temperature value
In preset battery modules high temperature threshold value, and the vehicle external environment temperature value is higher than preset low ambient temperature door
Limit value and when being lower than preset high ambient temperature threshold value, enables battery modules full power electric discharge.
Preferably, discharge module is also used to make when the vehicle external environment temperature value is lower than the low ambient temperature threshold value
It can the battery modules limit power discharge.
Preferably, discharge module is also used to make when the vehicle external environment temperature value is higher than the high ambient temperature threshold value
It can the battery modules limit power discharge.
Preferably, discharge module is also used to when the battery modules temperature value is lower than the battery modules low temperature threshold value
When, enable the battery modules limit power discharge.
Preferably, discharge module is also used to be higher than the battery modules high temperature threshold value when the battery modules temperature value
When, enable the battery modules limit power discharge.
It can be seen from the above technical proposal that in embodiments of the present invention, detecting battery modules temperature value and vehicle outer ring
Border temperature value；When battery modules temperature value be higher than battery modules low temperature threshold value and be lower than battery modules high temperature threshold value, and
When vehicle external environment temperature value is higher than low ambient temperature threshold value and is lower than high ambient temperature threshold value, battery modules reach power discharge,
Otherwise battery modules limit power discharge.As it can be seen that embodiment of the present invention is based on battery modules temperature and environment temperature simultaneously to control
Battery modules discharge power processed limits the electric discharge energy of battery modules in advance before extreme ambient temperature influences battery modules
Power, to ensure that the service life of battery modules.
Detailed description of the invention
Only illustratively description and explain the present invention for the following drawings, not delimit the scope of the invention.
Fig. 1 is heat management control of discharge schematic diagram in the prior art.
Fig. 2 is the battery modules charging method flow chart according to the vehicle-mounted chargeable energy-storage system of embodiment of the present invention.
Fig. 3 is the battery modules charging method logical process according to the vehicle-mounted chargeable energy-storage system of embodiment of the present invention
Schematic diagram.
Fig. 4 is according to embodiment of the present invention battery modules control of discharge schematic diagram.
Fig. 5 is the structure chart according to the battery modules electric discharge device of the vehicle-mounted chargeable energy-storage system of embodiment of the present invention.
Specific embodiment
In order to which the technical features, objects and effects of invention are more clearly understood, the Detailed description of the invention present invention is now compareed
Specific embodiment, identical label indicates identical part in the various figures.
It is succinct and intuitive in order to what is described, hereafter by describing several representative embodiments come to side of the invention
Case is illustrated.A large amount of details is only used for helping to understand the solution of the present invention in embodiment.However, it will be apparent that of the invention
Technical solution can be not limited to these details when realizing.In order to avoid unnecessarily having obscured the solution of the present invention, Yi Xieshi
It applies mode not described meticulously, but only gives frame.Hereinafter, " comprising " refers to " including but not limited to ", " root
According to ... " refer to " according at least to ..., but be not limited to according only to ... ".Due to the speech habits of Chinese, hereinafter without spy
When not pointing out the quantity of an ingredient, it is meant that the ingredient is either one or more, or can be regarded as at least one.
It is found by the applicant that: battery modules in actual use can be influenced by ambient temperature.Under extreme ambient temperature, battery
The biggish temperature difference will occur in module internal, to influence the service life of battery modules.It is lacked in view of present in the prior art
It falls into, embodiment of the present invention is based on battery modules temperature and environment temperature to control battery modules discharge power, to limit simultaneously
Discharge capability of the battery modules processed under extreme environmental conditions, to guarantee the service life of battery modules.
Fig. 2 is the battery modules charging method flow chart according to the vehicle-mounted chargeable energy-storage system of embodiment of the present invention.
As shown in Fig. 2, this method comprises:
Step 201: detection battery modules temperature value and vehicle external environment temperature value.
Herein, battery modules temperature sensor and vehicle external environment temperature sensor can be respectively set.Battery modules temperature
Degree sensor is used to detect the internal temperature values of battery modules, and vehicle external environment temperature sensor is used to detect the vehicle external environment of automobile
Temperature value.
Either battery modules temperature detection or vehicle external environment temperature detection, the temperature that embodiment of the present invention can use
Sensor is various in style.For example, contact type temperature sensor and non-contact temperature sensor two can be divided into greatly by measurement method
Class；It is divided into thermal resistance temperature sensor and thermocouple temperature sensor according to sensor material and electron component characteristic.Specifically,
Temperature sensor can be using thermocouple, thermistor, platinum resistance (RTD) and temperature detection integrated circuit, etc..
The temperature sensor that foregoing detailed description embodiment of the present invention can use, those skilled in the art can anticipate
Know, this description is only exemplary, is not intended to limit the present invention the protection scope of embodiment.
Step 202: judging whether battery modules temperature value is higher than preset battery modules low temperature threshold value and is lower than
Preset battery modules high temperature threshold value, and vehicle external environment temperature value be higher than preset low ambient temperature threshold value and
When lower than preset high ambient temperature threshold value, if so, 203 are thened follow the steps, it is no to then follow the steps 204.
The present invention preset battery modules low temperature threshold value, battery modules high temperature threshold value, low ambient temperature threshold value and
High ambient temperature threshold value.
It, can be with when battery modules temperature value is higher than battery modules low temperature threshold value and is lower than battery modules high temperature threshold value
Assert that the internal temperature of battery modules is within normal interval.When vehicle external environment temperature value is higher than low ambient temperature threshold value and low
When high ambient temperature threshold value, it can be assumed that vehicle external environment temperature is within normal interval.
After the internal temperature for having assert battery modules is within normal interval, further by vehicle external environment temperature value
It is compared with low ambient temperature threshold value and high ambient temperature threshold value.Only assert that vehicle external environment temperature is in normal when further
Within section, i.e. the internal temperature of battery modules and when all normal vehicle external environment temperature just executes step 203, otherwise executes step
Rapid 204.
Step 203: enabled battery modules full power electric discharge, and terminate this process.
Herein, when determining the internal temperature and all normal vehicle external environment temperature of battery modules in step 202, electricity is enabled
The electric discharge of Chi Mo group full power.In full power electric discharge, battery modules can execute electric discharge according to specified full power.Depending on electricity
The design parameter of the concrete model of Chi Mo group, full power electric discharge may have difference, and the present invention repeats no more this.
Step 204: enabled battery modules limit power discharge, and terminate this process.
Herein, when in step 202 determine battery modules internal temperature and vehicle external environment temperature at least one not
When normal, the not enabled battery modules full power electric discharge of the present invention, but enabled battery modules limit power discharge.It is put in limit power
In electricity, battery modules do not execute electric discharge according to specified full power, and are less than specified full power and execute electric discharge.For example, can
It is discharged with the half multiplying power discharged based on full power.Citing can be limited when the electric discharge of the full power of battery modules is 10C
The power discharge for determining battery modules is 5C.
As it can be seen that even if the internal temperature of battery modules is normal, as long as vehicle external environment temperature is abnormal, embodiment of the present invention
Just do not allow battery modules full power to discharge, but limit battery modules and limit power discharge.Therefore, the present invention passes through in extreme ring
The discharge capability that battery modules are limited at a temperature of border, can extend the service life of battery modules.Battery modules discharge process can
With include driving motor or to charger electric discharge, etc..The present invention is to this and is not limited.
Specifically: the specific situation that battery modules limit power discharge includes at least one of following:
(1), when vehicle external environment temperature value is lower than low ambient temperature threshold value, battery modules is enabled and limit power discharge.
(2), when vehicle external environment temperature value is higher than high ambient temperature threshold value, battery modules is enabled and limit power discharge.
(3), when battery modules temperature value is lower than battery modules low temperature threshold value, battery modules is enabled and limit power discharge.
(4), when battery modules temperature value is higher than battery modules high temperature threshold value, battery modules is enabled and limit power discharge.
Based on foregoing description, Fig. 3 is to be put according to the battery modules of the vehicle-mounted chargeable energy-storage system of embodiment of the present invention
Method for electrically logical process schematic diagram.
In Fig. 3, battery modules high temperature threshold value A, battery modules low temperature threshold value B are preset.For example, battery modules
High temperature threshold value A can be 40 degree；Battery modules low temperature threshold value B can be 0 degree.Moreover, preset low ambient temperature threshold value C and
High ambient temperature threshold value D.For example, low ambient temperature threshold value C is -10 degree, high ambient temperature threshold value D is 50 degree.Furthermore it is assumed that electric
The electric discharge of Chi Mo group full power is 10C.
When battery modules temperature is higher than 40 degree, limit power discharge is executed to battery modules.For example, working as battery modules temperature
When being 50 degree, discharge-rate is reduced for 5C.
When battery modules temperature is lower than 0 degree, limit power discharge is executed to battery modules.For example, working as battery modules temperature
When spending for -3, discharge-rate is reduced for 5C.
When vehicle external environment temperature is higher than 50 degree, limit power discharge is executed to battery modules.For example, working as vehicle external environment temperature
When being 55 degree, discharge-rate is reduced for 5C.
When vehicle external environment temperature is spent lower than -10, limit power discharge is executed to battery modules.For example, working as vehicle external environment temperature
When degree is spent for -12, discharge-rate is reduced for 5C.
When battery modules temperature is higher than 0 degree and is lower than 40 degree, if vehicle external environment temperature is higher than 50 degree, to battery modules
Execute limit power discharge.For example, discharge-rate is lowered when battery modules temperature is 20 degree and vehicle external environment temperature is 55 degree
For 5C.
When battery modules temperature is higher than 0 degree and is lower than 40 degree, if vehicle external environment temperature is spent lower than -10, to battery mould
Group executes limit power discharge.For example, when battery modules temperature is 20 degree and vehicle external environment temperature spends for -15, discharge-rate quilt
It is reduced to 5C.
When battery modules temperature is higher than 0 degree and is lower than 40 degree, if vehicle external environment temperature is higher than -10 degree and is lower than 50
Degree executes full power electric discharge to battery modules.For example, when battery modules temperature is 20 degree and vehicle external environment temperature is 20 degree,
Discharge-rate is 10C.
Embodiment of the present invention is described with specific temperature value and discharge-rate value above, those skilled in the art
It is to be appreciated that this description is only exemplary, it is not intended to limit the scope of protection of the present invention.
Fig. 4 is the battery modules control of discharge schematic diagram according to embodiment of the present invention.From fig. 4, it can be seen that being different from existing
Technology, embodiment of the present invention need the internal temperature of battery modules to be between low temperature threshold value A and high temperature threshold value B, and
And environment temperature is between low temperature threshold value C and high temperature threshold value D, battery modules can just be discharged with full power.
As it can be seen that embodiment of the present invention is based on battery modules temperature and environment temperature simultaneously to control battery modules electric discharge function
Rate, to limit discharge capability of the battery modules under extreme environmental conditions, it is ensured that the service life of battery modules.
Based on foregoing description, the invention also provides a kind of battery modules electric discharge devices of vehicle-mounted chargeable energy-storage system.
Fig. 5 is the structure chart according to the battery modules electric discharge device of the vehicle-mounted chargeable energy-storage system of the present invention.
As shown in figure 5, the device 500 includes:
Battery modules temperature detecting module 501, for detecting battery modules temperature value；
Vehicle external environment temperature detecting module 502, for detecting vehicle external environment temperature value；
Discharge module 503, for being higher than preset battery modules low temperature threshold value and low when battery modules temperature value
In preset battery modules high temperature threshold value, and vehicle external environment temperature value is higher than preset low ambient temperature threshold value
And when being lower than preset high ambient temperature threshold value, the electric discharge of battery modules full power is enabled.
In one embodiment, discharge module 503 are also used to when vehicle external environment temperature value is lower than low ambient temperature threshold value
When, it enables battery modules and limits power discharge.
In one embodiment, discharge module 503 are also used to be higher than high ambient temperature threshold value when vehicle external environment temperature value
When, it enables battery modules and limits power discharge.
In one embodiment, discharge module 503 are also used to when battery modules temperature value is lower than battery modules low temperature door
When limit value, enables battery modules and limit power discharge.
In one embodiment, discharge module 503 are also used to be higher than battery modules high temperature door when battery modules temperature value
When limit value, enables battery modules and limit power discharge.
Can by embodiment of the present invention proposes vehicle-mounted chargeable energy-storage system battery modules charging method and device
It is applied in various types of new-energy automobiles, including pure electric automobile (BEV), hybrid vehicle (PHEV) or fuel cell
Automobile (FCEV), etc..
In conclusion in embodiments of the present invention, detecting battery modules temperature value and vehicle external environment temperature value；Work as battery
Module temperature value is higher than battery modules low temperature threshold value and is lower than battery modules high temperature threshold value, and vehicle external environment temperature value is higher than
Low ambient temperature threshold value and be lower than high ambient temperature threshold value when, battery modules reach power discharge, otherwise battery modules limit power
Electric discharge.As it can be seen that embodiment of the present invention is based on battery modules temperature and environment temperature simultaneously to control battery modules discharge power,
The discharge capability of battery modules is limited in advance before ambient temperature effect to battery modules, to ensure that making for battery modules
Use the service life.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope that is bright, and being not intended to limit the invention, it is all without departing from equivalent embodiments made by technical spirit of the present invention or
Change, such as the combination, segmentation or repetition of feature, should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of battery modules charging method of vehicle-mounted chargeable energy-storage system characterized by comprising
Detect battery modules temperature value and vehicle external environment temperature value；
When the battery modules temperature value is higher than preset battery modules low temperature threshold value and is lower than preset battery
Mould group high temperature threshold value, and the vehicle external environment temperature value is higher than preset low ambient temperature threshold value and lower than setting in advance
When fixed high ambient temperature threshold value, the battery modules full power is made to discharge；
This method further include:
When the vehicle external environment temperature value is lower than the low ambient temperature threshold value, make the battery modules limit power discharge；
When the vehicle external environment temperature value is higher than the high ambient temperature threshold value, make the battery modules limit power discharge；
This method further include:
When the battery modules temperature value is lower than the battery modules low temperature threshold value, put the battery modules limit power
Electricity；
When the battery modules temperature value is higher than the battery modules high temperature threshold value, put the battery modules limit power
Electricity；
The battery modules charging method is applied in new-energy automobile.
2. a kind of battery modules electric discharge device of vehicle-mounted chargeable energy-storage system characterized by comprising
Battery modules temperature detecting module, for detecting battery modules temperature value；
Vehicle external environment temperature detecting module, for detecting vehicle external environment temperature value；
Discharge module, for being higher than preset battery modules low temperature threshold value and lower than pre- when the battery modules temperature value
The battery modules high temperature threshold value first set, and the vehicle external environment temperature value is higher than preset low ambient temperature threshold value
And when being lower than preset high ambient temperature threshold value, the battery modules full power is made to discharge；
Discharge module is also used to make the battery mould when the vehicle external environment temperature value is lower than the low ambient temperature threshold value
Group limit power discharge；When the vehicle external environment temperature value is higher than the high ambient temperature threshold value, make the battery modules limit function
Rate electric discharge；
Discharge module is also used to make the electricity when the battery modules temperature value is lower than the battery modules low temperature threshold value
Chi Mo group limits power discharge；
Discharge module is also used to make the electricity when the battery modules temperature value is higher than the battery modules high temperature threshold value
Chi Mo group limits power discharge；
The battery modules electric discharge device is applied in new-energy automobile.
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| CN105751910B (en) * | 2016-02-26 | 2019-03-08 | 北京长城华冠汽车科技股份有限公司 | It is a kind of it is vehicle-mounted can discharge energy-storage system battery modules charging method and device |
| CN114530651B (en) * | 2022-01-25 | 2023-10-20 | 上海电享信息科技有限公司 | Temperature control method and charging and discharging method based on energy storage power station |
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| EP2383862A4 (en) * | 2009-01-28 | 2017-11-22 | Sumitomo Heavy Industries, LTD. | Hybrid working machine and electricity storage control apparatus |
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| CN204760436U (en) * | 2015-05-28 | 2015-11-11 | 上海通用汽车有限公司 | Battery monomer, battery and vehicle |
| CN204885366U (en) * | 2015-07-20 | 2015-12-16 | 上汽通用汽车有限公司 | Battery monomer and group battery with heating plate |
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| CN101207188A (en) * | 2006-12-21 | 2008-06-25 | 研华股份有限公司 | Excess temperature protection method of battery module |
| CN102738868A (en) * | 2012-06-30 | 2012-10-17 | 惠州市亿能电子有限公司 | Management circuit and management method for backup battery of mobile communication base station |
| CN104348224A (en) * | 2013-08-07 | 2015-02-11 | 神钢建机株式会社 | Electric power control apparatus |
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