CN106585409A - Battery management method, and electric vehicle and cold chain system using same - Google Patents
Battery management method, and electric vehicle and cold chain system using same Download PDFInfo
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- CN106585409A CN106585409A CN201611164525.4A CN201611164525A CN106585409A CN 106585409 A CN106585409 A CN 106585409A CN 201611164525 A CN201611164525 A CN 201611164525A CN 106585409 A CN106585409 A CN 106585409A
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- cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Health & Medical Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a battery management method, and an electric vehicle and cold chain system using the same. The quantity M of battery packs is set to be redundant, during switching triggering of the battery packs each time, top N batteries with highest residual electric quantities are selected for power supply, and a way is found to enable residual M-N battery packs to be charged, such that it can be ensured that power supply batteries are at optimal states, the batteries with quite low electric quantities can obtain charging and supplement timely, the utilization efficiency of the batteries is improved, battery over-discharge is reduced, and the utilization degree of a charging mode can be improved.
Description
Technical field
The present invention relates to battery management and electric automobiles, and in particular to a kind of battery management method and the electricity using which
Motor-car and cold chain system.
Background technology
In the high-power system of existing electric motor car or the mobile power supply of other needs, (such as cold chain system of cold chain car) leads to
Often only can be powered by 1 to 2 Battery packs, in this power supply mode, the electricity of one side battery with using continuous decrease,
On the other hand, battery is crossed and puts the reduction that can cause battery life, simultaneously as battery current can go out with the reduction of battery electric quantity
Now decay, therefore, if the too low power output for influencing whether electric motor car or cold chain system of battery electric quantity.
The content of the invention
In view of this, the present invention provides a kind of battery management method and the electric motor car and cold chain system using which, to carry
For more efficient battery management, appearance of the battery after to one's heart's content condition is reduced.
First aspect, there is provided a kind of battery management method, it is adaptable to which the system that N number of set of cells is powered simultaneously, N are more than or equal to
2, the battery management method includes：
The dump energy of all M set of cells is detected, wherein, M is more than N；
When set of cells switching is triggered, selection dump energy highest is N number of battery-powered, meanwhile, choose remaining
M-N set of cells charges.
Preferably, the set of cells switching is triggered at predetermined time intervals；Or,
The set of cells switching is triggered when minimum dump energy is less than first threshold in the set of cells of current power supply；Or
Person,
The set of cells switching is triggered when highest dump energy is higher than Second Threshold in the current set of cells for charging；Or
Person,
Highest dump energy and dump energy minimum in the set of cells of current power supply in the current set of cells for charging
Difference trigger the set of cells switching when being more than three threshold values.
Preferably, the remaining M-N set of cells of the selection is charged as being charged by wind energy or kinetic energy or solar energy.
Preferably, the system that N number of set of cells is simultaneously powered be electric automobile or electric bicycle or cold chain system or
Caravan electric power system.
A kind of second aspect, there is provided electric motor car, by battery powered drive, the electric motor car includes：
Drive system, by N number of battery-powered driving；
M set of cells；
Power-supply management system, for detecting the dump energy of all M set of cells, when set of cells switching is triggered, choosing
Take the N number of set of cells of dump energy highest to power drive system, meanwhile, choose remaining M-N set of cells and charge.
Preferably, the power-supply management system is triggered set of cells switching at predetermined time intervals；Or,
The power-supply management system minimum dump energy in the set of cells of current power supply is triggered when being less than first threshold
The set of cells switching；Or,
The power-supply management system is triggered when in the current set of cells for charging, highest dump energy is higher than Second Threshold
The set of cells switching；Or,
The power-supply management system is in the current set of cells for charging in highest dump energy and the battery of current power supply
The difference of minimum dump energy triggers the set of cells switching when being more than three threshold values.
Preferably, the electric motor car also includes：
Solar recharging system, for charging to choosing remaining M-N set of cells；And/or,
Wind energy charging system, is arranged at the top or air-inlet grille or bottom of electric motor car, produces for being advanced using electric motor car
Raw windage charges to remaining M-N set of cells.
Preferably, the N number of set of cells for being chosen to be powered also at least partly is carried out for the cold chain system to electric motor car
Power supply.
Preferably, the electric motor car is electric automobile or electric bicycle.
A kind of third aspect, there is provided cold chain system, by battery powered drive, the cold chain system includes：
Compressor, carries out temperature control by N number of battery-powered driving；
M set of cells；
Power-supply management system, for detecting the dump energy of all M set of cells, when set of cells switching is triggered, choosing
Take the N number of set of cells of dump energy highest to power drive system, meanwhile, choose remaining M-N set of cells and charge.
Redundancy is set to by just set of cells quantity M, and dump energy is chosen most in each set of cells handover trigger
High top n is battery-powered, and try so that remaining M-N set of cells charge, thus, it is possible to ensure that supplying cell is in
Optimum state, and the relatively low battery of electricity and charged and supplemented in time, raising battery utilization ratio, reduction battery is after to one's heart's content
The appearance of condition.
Description of the drawings
By description referring to the drawings to the embodiment of the present invention, above-mentioned and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Figure 1A is the flow chart of the battery management method of the embodiment of the present invention；
Figure 1B is the schematic diagram that the battery management method of the embodiment of the present invention carries out battery selection；
Fig. 2 is the system schematic of the drive system of the battery management system using the embodiment of the present invention；
Fig. 3 is the schematic diagram of the electric motor car of the battery management system using the embodiment of the present invention；
Fig. 4 is the schematic diagram of the vehicle-mounted cold chain system of the battery management system using the embodiment of the present invention.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
It is in detailed description of the text to the present invention, detailed to describe some specific detail sections.Do not have for a person skilled in the art
The description of these detail sections can also understand the present invention completely.In order to avoid obscuring the essence of the present invention, known method, mistake
Journey, flow process, element and circuit are not described in detail.
Additionally, it should be understood by one skilled in the art that accompanying drawing is provided to descriptive purpose provided herein, and
What accompanying drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure is similar with " the including " in claims, "comprising" etc.
Word should be construed to the implication for including rather than exclusive or exhaustive implication；That is, be " including but not limited to " contains
Justice.
In describing the invention, it is to be understood that term " first ", " second " etc. are not only used for describing purpose, and not
It is understood that to indicate or implying relative importance.Additionally, in describing the invention, unless otherwise stated, the implication of " multiple "
It is two or more.
Figure 1A is the flow chart of the battery management method of the embodiment of the present invention.As shown in Figure 1A, the battery management method
Comprise the steps：
Step S100, the dump energy for detecting all M set of cells.Wherein, M is more than N.N is for while enter to drive system
The set of cells quantity of row power supply.
Step S200, set of cells switching be triggered when, choose dump energy highest it is N number of battery-powered, meanwhile, choosing
Take remaining M-N set of cells to charge.
For example, for the system for needing 2 set of cells to power simultaneously, 3 set of cells are set altogether.Switch quilt in set of cells
During triggering, choose 2 set of cells of electricity highest to be powered, meanwhile, the set of cells relatively low to remaining 1 group of electricity is carried out
Charge.Again for example, for the system for needing 3 set of cells to power simultaneously, 5 set of cells are set altogether, switch quilt in set of cells
During triggering, choose 3 set of cells of electricity highest to be powered, the relatively low set of cells of remaining 2 groups of electricity is charged.
Figure 1B is the schematic diagram that the battery management method of the embodiment of the present invention carries out battery selection.As shown in Figure 1B, system
Need 3 set of cells to power simultaneously, and be provided with 5 set of cells altogether.
In moment t1, the electricity of all set of cells is 100%.Now, 3 set of cells are selected with random or specific mode
B1-B3 is powered, and two other set of cells B4-B5 is standby.
In moment t2, set of cells switching is triggered, and now, the electricity of set of cells B1-B3 is 70%.Now, select electricity
Any one (for example, selecting B3) in highest set of cells B4-B5 and B1-B3 is powered, meanwhile, to set of cells B1-B2
It is charged.
In moment t3, set of cells switching is triggered, and now, the electricity of set of cells B4-B5 is 60%, the electricity of set of cells B3
For 30%, and set of cells B1-B2 is charged to 90%.Thus, it is possible to select set of cells B1-B2 and set of cells B4 or B5 to enter
Row power supply, set of cells B3 relatively low to electricity and set of cells B5 or B4 are charged.
Thus, it is possible to ensure that battery is not crossed put, preferably working condition is always worked in.
Further, the difference according to battery management strategy, can arrange different set of cells handover triggering conditions.
In a preferred embodiment, when minimum dump energy in the set of cells of current power supply is less than first threshold
Trigger the set of cells switching.For example, trigger when in the set of cells of power supply, the minimum battery electric quantity of dump energy is less than 30%
Switching, thus, it is possible to ensure that the electricity of working battery can be maintained at more than 30% under the conditions of major part.
In another preferred embodiment, in the current set of cells for charging, highest dump energy is higher than Second Threshold
When trigger set of cells switching.For example, in the set of cells of charging, the higher set of cells of dump energy is charged above 80%
When triggering switching, thus, it is possible to ensure once the battery for having electricity higher, then be switched to and discharged, while preventing from putting,
It is also prevented from overshoot.
In yet another preferred embodiment, highest dump energy and current power supply in the current set of cells for charging
The set of cells switching is triggered when the difference of minimum dump energy is more than three threshold values in battery.For example, the set of cells of charging
The higher set of cells of middle dump energy is charged to 70%, meanwhile, the relatively low set of cells quilt of dump energy in the set of cells of power supply
30% is discharged into, both differences are more than 39% (that is, the 3rd threshold value), at this point it is possible to trigger switching.Thus, it is possible to ensure
Once battery electric quantity gap is larger, can switch and allow the battery with higher electricity to be powered, extend the service life of battery.
Further, the difference according to application scenarios, can be charged for battery in different ways.Fig. 2 is should
With the system schematic of the drive system of the battery management system of the embodiment of the present invention.As shown in Fig. 2 being applied to electric motor car
When, whole system includes drive system 1, M set of cells B1-BM and power-supply management system 2.Meanwhile, whole system also includes
Charging system 3.Wherein, the core component of drive system 1 is motor, and which is by the powered operation of N number of set of cells driving electricity
Motor-car is travelled.Power-supply management system 2, for detecting the dump energy of all M set of cells, when set of cells switching is triggered,
Choose the N number of set of cells of dump energy highest to power drive system, meanwhile, choose remaining M-N set of cells and charge.Its
In, set of cells switching condition can be different to realize using the condition adopted in the battery management method of the embodiment of the present invention
Purpose.
Meanwhile, charging system 3 can carry out the electricity to needing to charge for example, by heat power and/or wind-force and/or solar energy
Pond is charged.Specifically, charging system 3 can be charged based on the fuel heat power in the mixed dynamic drive system of oily electricity.Fill
Electric system 3 is also based on the windage of electric motor car traveling, is charged based on wind-force.Blade for collecting wind-force can be as
It is arranged at the air inlet fan Hot-air fan position of vehicle as shown in Figure 3 in an integrated manner, it is also possible to removably arrange
In the outside of electric motor car.Meanwhile, charging system 3 is also based on solar energy to be charged, and solar panel can be arranged
In the top of electric motor car, to receive solar energy to greatest extent.Above-mentioned different charging modes can be used alone, it is also possible to collect
Into together, it is charged by the allotment of power-supply management system 2.Meanwhile, when cold chain car is applied to, due to the cold chain system of cold chain car
System (refrigeration system) is also required to supply of electric power, is chosen the N number of set of cells being powered also at least partly for electric motor car
Cold chain system is powered.Thus, it is possible to so that cold chain car thoroughly breaks away from the dependence for fuel oil, improve its environmental-protecting performance.
Fig. 4 is the schematic diagram of the vehicle-mounted cold chain system of the battery management system using the embodiment of the present invention.As shown in figure 4,
Cold chain system includes compressor 5, M set of cells B1-BM, power-supply management system 2 and charging system 3.Wherein, compressor 5 is by N
Individual battery-powered driving carries out temperature control.Power-supply management system 2 is used for the dump energy for detecting all M set of cells,
When set of cells switching is triggered, chooses dump energy highest N number of set of cells and drive system is powered, meanwhile, choose remaining
M-N set of cells charges.Wherein, set of cells switching condition is adopted in can adopting the battery management method of the embodiment of the present invention
Condition, to realize different purposes.
When cold chain system is applied to, charging system 3 can be charged using wind energy or solar recharging, it is preferred to use the sun
Can be charged.It is that the solar panel being covered in outside cold chain car can be inhaled for solar recharging system in charging system 3
Receipts are radiated at the solar energy on car surface, are converted into electric energy.Thus, while electric energy is produced, can aid in reducing the sun
Light further improves the efficiency of cold chain system for the negative effect of cold chain system temperature.
The embodiment of the present invention is set to redundancy by just set of cells quantity M, and selects in each set of cells handover trigger
Take dump energy highest top n battery-powered, and try so that remaining M-N set of cells charge, thus, it is possible to ensure
Supplying cell is in optimum state, and the relatively low battery of electricity and is charged and supplemented in time, raising battery utilization ratio, subtracts
Appearance of few battery after to one's heart's content condition.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for those skilled in the art
For, the present invention can have various changes and change.All any modifications made within spirit and principles of the present invention, equivalent
Replace, improve etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of battery management method, it is adaptable to which the system that N number of set of cells is powered simultaneously, N are more than or equal to 2, the battery management
Method includes：
The dump energy of all M set of cells is detected, wherein, M is more than N；
When set of cells switching is triggered, selection dump energy highest is N number of battery-powered, meanwhile, choose remaining M-N
Set of cells charges.
2. battery management method according to claim 1, it is characterised in that the set of cells switching at predetermined time intervals by
Triggering；Or,
The set of cells switching is triggered when minimum dump energy is less than first threshold in the set of cells of current power supply；Or,
The set of cells switching is triggered when highest dump energy is higher than Second Threshold in the current set of cells for charging；Or,
The difference of highest dump energy and dump energy minimum in the set of cells of current power supply in the current set of cells for charging
Value triggers the set of cells switching when being more than three threshold values.
3. battery management method according to claim 1, it is characterised in that the remaining M-N set of cells of the selection is filled
Electricity is to be charged by wind energy or kinetic energy or solar energy.
4. battery management method according to claim 1, it is characterised in that the system that N number of set of cells is powered simultaneously
For electric automobile or electric bicycle or cold chain system or caravan electric power system.
5. a kind of electric motor car, by battery powered drive, the electric motor car includes：
Drive system, by N number of battery-powered driving；
M set of cells；
Power-supply management system, for detecting the dump energy of all M set of cells, when set of cells switching is triggered, chooses surplus
The N number of set of cells of remaining electricity highest is powered to drive system, meanwhile, choose remaining M-N set of cells charging.
6. electric motor car according to claim 6, it is characterised in that the power-supply management system is triggered at predetermined time intervals
The set of cells switching；Or,
When the minimum dump energy in the set of cells of current power supply of the power-supply management system is less than first threshold, triggering is described
Set of cells switches；Or,
The power-supply management system triggers described when highest dump energy is higher than Second Threshold in the current set of cells for charging
Set of cells switches；Or,
Power-supply management system highest dump energy in the current set of cells for charging is minimum with the battery of current power supply
The difference of dump energy trigger the set of cells switching when being more than three threshold values.
7. electric motor car according to claim 5, it is characterised in that the electric motor car also includes：
Solar recharging system, for charging to choosing remaining M-N set of cells；And/or,
Wind energy charging system, is arranged at the top or air-inlet grille or bottom of electric motor car, for advancing what is produced using electric motor car
Windage charges to remaining M-N set of cells.
8. the electric motor car according to any one of claim 5-7, it is characterised in that be chosen the N number of battery being powered
Group is gone back at least partly for being powered to the cold chain system of electric motor car.
9. the electric motor car according to any one of claim 5-7, it is characterised in that the electric motor car is electric automobile or electricity
Dynamic bicycle.
10. a kind of cold chain system, by battery powered drive, the cold chain system includes：
Compressor, carries out temperature control by N number of battery-powered driving；
M set of cells；
Power-supply management system, for detecting the dump energy of all M set of cells, when set of cells switching is triggered, chooses surplus
The N number of set of cells of remaining electricity highest is powered to drive system, meanwhile, choose remaining M-N set of cells charging.
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| CN201611164525.4A CN106585409B (en) | 2016-12-16 | 2016-12-16 | Battery management method, electric vehicle applying same and cold chain system |
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| CN115189458A (en) * | 2022-06-21 | 2022-10-14 | 深圳市宝尔爱迪科技有限公司 | Charging and discharging method, electronic equipment and computer readable storage medium |
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Effective date of registration: 20230525 Address after: No. 8-802, Fuli Center, Zone C, Tianxi Jiayuan, Wuxi Economic Development Zone, Wuxi City, Jiangsu Province, 214121 Patentee after: CREATEMAX ELECTRONICS TECHNOLOGY (WUXI) CO.,LTD. Address before: Room 526, 5th Floor, Guodian Nanzi Digital Power Plant Industrial Park, No. 9 Huida Road, Nanjing High tech Zone, Nanjing City, Jiangsu Province, 210031 Patentee before: NANJING HAEN TECHNOLOGY CO.,LTD. |