CN105895996A - Battery module assembly for electric vehicle, battery management system and electric vehicle - Google Patents
Battery module assembly for electric vehicle, battery management system and electric vehicle Download PDFInfo
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- CN105895996A CN105895996A CN201510621767.0A CN201510621767A CN105895996A CN 105895996 A CN105895996 A CN 105895996A CN 201510621767 A CN201510621767 A CN 201510621767A CN 105895996 A CN105895996 A CN 105895996A
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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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Abstract
The invention discloses a battery module assembly for an electric vehicle, a battery management system and the electric vehicle. The battery module assembly comprises a battery module (100), a first thermal insulation layer and a second thermal insulation layer, wherein the battery module (100) comprises a first single battery (1), a last single battery (13) and an intermediate single battery (2); the intermediate single battery (2) is connected between the first single battery (1) and the last single battery (13); the first thermal insulation layer is arranged on the first single battery (1) and has a first heat conductivity coefficient; the second thermal insulation layer is arranged on the last single battery (13) and has a second heat conductivity coefficient; the intermediate single battery (2) has a third heat conductivity coefficient; the first heat conductivity coefficient is smaller than the third heat conductivity coefficient; and the second heat conductivity coefficient is smaller than the third heat conductivity coefficient.
Description
Technical field
The present invention relates to automobile technical field, more particularly, to battery modules assembly, the battery management of a kind of electric automobile
System and electric automobile.
Background technology
Energy shortage, oil crisis and environmental pollution grow in intensity, and bring tremendous influence to the life of people, are directly connected to
National economy and the sustainable development of society.Countries in the world are all at active development new energy technology.Electric automobile drops as one
Low consumption of petroleum, low stain, low noise new-energy automobile it is considered to be solve energy crisis and the important way of ecological deterioration
Footpath.Hybrid vehicle takes into account pure electric automobile and the advantage of traditional combustion engine automobile simultaneously, is meeting vehicle dynamic quality requirement
With continual mileage require on the premise of, be effectively improved fuel economy, reduce discharge it is considered to be the most energy-conservation and
One of active path reduced discharging.
In electric automobile, battery modules drives motor to produce power, and therefore performance and the life-span of battery modules is impact electricity
The key factor of electrical automobile performance.The INSULATION DESIGN of present battery module is based primarily upon the transmission of unconditional trap heat, it is therefore an objective to
Reduce the environment impact on battery modules internal temperature as far as possible.
In the prior art, it is intended at the insulation material of battery modules outer surface covering equivalent specifications, and not to battery mould
The particular location of group makes a distinction isothermal holding.
But, battery modules is made up of the anisotropic cell of multiple thermal characteristics, therefore the thermal characteristic of battery modules
The most also it is anisotropic.Battery modules is not only different in the heat-sinking capability of diverse location, heat radiation in different directions
Ability is also different.Therefore, if arranging identical insulation material in each position and all directions, battery mould can be made
There is difference in group heat-sinking capability throughout, will have undesirable effect the temperature uniformity of battery modules so that battery modules
Internal there is the bigger temperature difference.
Summary of the invention
The purpose of the present invention is to propose to the battery modules assembly of a kind of electric automobile, thus improve the temperature equalization of battery modules
Property.
Another object of the present invention is to propose a kind of battery management system and electric automobile, thus improves the temperature of battery modules
Harmonious.
According to the one side of embodiment of the present invention, the battery modules assembly of a kind of electric automobile is proposed, including；
Battery modules, described battery modules include first joint cell, minor details cell and at described first joint cell and
Intermediate monomer battery between minor details cell
Being arranged in the first heat-insulation layer on described first joint cell, described first heat-insulation layer has the first heat conductivity；
Being arranged in the second heat-insulation layer on described minor details cell, described second heat-insulation layer has the second heat conductivity；
Described intermediate monomer battery has the 3rd heat conductivity, and described first heat conductivity is less than described 3rd heat conductivity；Institute
State the second heat conductivity less than described 3rd heat conductivity.
Preferably, described first heat-insulation layer includes the left surface heat keeper covering the left surface of described first joint cell；
Described second heat-insulation layer includes the right flank heat keeper covering the right flank of described minor details cell；
Described intermediate monomer battery is exposed to surrounding enviroment, and described 3rd heat conductivity is the heat conductivity of described surrounding enviroment.
Preferably, described first heat-insulation layer includes the left surface heat keeper covering the left surface of described first joint cell；
Described second heat-insulation layer includes the right flank heat keeper covering the right flank of described minor details cell；
Described intermediate monomer battery arrangement is in the 3rd heat-insulation layer with described 3rd heat conductivity.
Preferably, described first heat-insulation layer includes the first heat keeper assembly covering described first joint cell, and described first protects
Temperature pad assembly includes that the first upper surface heat keeper, the first lower surface heat keeper, the first front surface heat keeper, the first rear surface are protected
Temperature pad and the first left surface heat keeper；
Described second heat-insulation layer includes the second heat keeper assembly covering described minor details cell, described second heat keeper assembly
Including the second upper surface heat keeper, the second lower surface heat keeper, the second front surface heat keeper, the second rear surface heat keeper and
One right flank heat keeper；
Described intermediate monomer battery is exposed to surrounding enviroment, and described 3rd heat conductivity is the heat conductivity of described surrounding enviroment.
Preferably,
Described battery modules is coated with the first sealing structure, and the described first heat conductivity sealing structure is described 3rd heat conduction system
Number, before described first sealing structure includes battery modules upper surface heat keeper, battery modules lower surface heat keeper, battery modules
Surface heat preservation pad, battery modules rear surface heat keeper, battery modules left surface heat keeper and battery modules right flank heat keeper；
Described first heat-insulation layer includes described battery modules left surface heat keeper and covers described battery modules left surface heat keeper
The second left surface heat keeper；
Described second heat-insulation layer includes described battery modules right flank heat keeper and covers described battery modules right flank heat keeper
The second right flank heat keeper.
Preferably,
Described battery modules is coated with the first sealing structure, and the described first heat conductivity sealing structure is described 3rd heat conduction system
Number, before described first sealing structure includes battery modules upper surface heat keeper, battery modules lower surface heat keeper, battery modules
Surface heat preservation pad, battery modules rear surface heat keeper, battery modules left surface heat keeper and battery modules right flank heat keeper；
Described first heat-insulation layer includes: described battery modules left surface heat keeper, on described battery modules left surface heat keeper
Cover the second left surface heat keeper of described first joint cell, on described battery modules upper surface heat keeper, cover described head
Save the 3rd upper surface heat keeper of cell, on described battery modules lower surface heat keeper, cover described first joint cell
The 3rd lower surface heat keeper, cover on described battery modules front surface heat keeper described first joint cell the 3rd before table
Face heat keeper and cover the 3rd rear surface heat keeper of described first joint cell on the heat keeper of described battery modules rear surface；
Described second heat-insulation layer includes: described battery modules right flank heat keeper, on described battery modules right flank heat keeper
Cover the second right flank heat keeper of described minor details cell, on described battery modules upper surface heat keeper, cover described end
Save the 4th upper surface heat keeper of cell, on described battery modules lower surface heat keeper, cover described minor details cell
The 4th lower surface heat keeper, cover on described battery modules front surface heat keeper described minor details cell the 4th before table
Face heat keeper and cover the 4th rear surface heat keeper of described minor details cell on the heat keeper of described battery modules rear surface.
Preferably, described first heat conductivity is identical with described second heat conductivity.
Preferably, described first heat-insulation layer and the second heat-insulation layer include polyurethane；Described 3rd heat-insulation layer comprises rubber.
According to the one side of embodiment of the present invention, a kind of battery management system is proposed, including the battery described in as above any one
Die set.
According to the one side of embodiment of the present invention, a kind of electric automobile is proposed, including the battery modules described in as above any one
Assembly.
From technique scheme it can be seen that in embodiments of the present invention, respectively at head and the tail and the mid portion of battery modules
The insulation material of different size is set, makes the diverse location of battery modules can obtain different heat-sinking capabilities, thus ensure electricity
Module internal temperature everywhere in pond is consistent.
Accompanying drawing explanation
The present invention is only schematically illustrated and explains by the following drawings, not delimit the scope of the invention.
Fig. 1 is the demonstrative structure figure that cell is assembled into battery modules.
Fig. 2 is the demonstrative structure figure of the battery modules assembly according to first embodiment of the invention.
Fig. 3 is the demonstrative structure figure of the battery modules assembly according to second embodiment of the invention.
Fig. 4 is the demonstrative structure figure of the battery modules assembly according to third embodiment of the invention.
Fig. 5 is the demonstrative structure figure of the battery modules assembly according to four embodiment of the invention.
The reference number of Fig. 1 includes: battery modules 100；First joint cell 1；Intermediate monomer battery 2；Minor details monomer electricity
Pond 13.
The reference number of Fig. 2 includes: battery modules 100；First joint cell 1；Minor details cell 13；Left surface is protected
Temperature pad 101；Right flank heat keeper 102.
The reference number of Fig. 3 includes: battery modules 100；First joint cell 1；Minor details cell 13；Table on first
Face heat keeper 15；First lower surface heat keeper 18；First front surface heat keeper 17；First rear surface heat keeper 16；First
Left surface heat keeper 14；Second upper surface heat keeper 25；Second lower surface heat keeper 28；Second front surface heat keeper 27；
Second rear surface heat keeper 26；First right flank heat keeper 24.
The reference number of Fig. 4 includes: battery modules 100；First joint cell 1；Minor details cell 13；Battery modules
Upper surface heat keeper 35；Battery modules lower surface heat keeper 38；Battery modules front surface heat keeper 37；Table after battery modules
Face heat keeper 36；Battery modules left surface heat keeper 34；Battery modules right flank heat keeper 39；Second left surface heat keeper
341；Second right flank heat keeper 391.
The reference number of Fig. 5 includes: battery modules 100；First joint cell 1；Minor details cell 13；Battery modules
Upper surface heat keeper 35；Battery modules lower surface heat keeper 38；Battery modules front surface heat keeper 37；Table after battery modules
Face heat keeper 36；Battery modules left surface heat keeper 34；Battery modules right flank heat keeper 39；Second left surface heat keeper
341；Second right flank heat keeper 391；3rd upper surface heat keeper 351；3rd lower surface heat keeper 381；Table before 3rd
Face heat keeper 371；3rd rear surface heat keeper 361；4th upper surface heat keeper 352；4th lower surface heat keeper 382；
4th front surface heat keeper 372；4th rear surface heat keeper 362.
Detailed description of the invention
In order to technical characteristic, purpose and the effect of invention are more clearly understood from, the now tool of the comparison accompanying drawing explanation present invention
Body embodiment, the most identical label represents identical part.
Succinct and directly perceived in order on describing, enters the solution of the present invention hereafter by describing some representational embodiments
Row illustrates.In embodiment, substantial amounts of details is only used for help and understands the solution of the present invention.However, it will be apparent that the skill of the present invention
These details can be not limited to when art scheme realizes.In order to avoid unnecessarily having obscured the solution of the present invention, some are implemented
Mode describes the most meticulously, but only gives framework.Hereinafter, " including " refers to " including but not limited to ",
" according to ... " refer to " according at least to ..., but be not limited to according only to ... ".Due to the language convention of Chinese, hereafter
In when being not specifically stated the quantity of a composition, it is meant that it can also be multiple that this composition can be one, or can be regarded as
At least one.
The application relates to a kind of orientation INSULATION DESIGN scheme for battery modules, respectively at head and the tail and the pars intermedia of battery modules
Set up the insulation material putting different size separately, make the diverse location of battery modules can obtain different heat-sinking capabilities, thus ensure
Battery modules various places inside temperature is consistent.
Fig. 1 is the demonstrative structure figure that cell is assembled into battery modules.Fig. 1 shows that multiple cell is assembled into electricity
The schematic diagram of pond module.
As seen from Figure 1, head saves cell 1, minor details cell 13 and saves cell 1 and minor details cell at head
Intermediate monomer battery 2 between 13 has collectively constituted battery modules 100.Intermediate monomer battery 2 can comprise multiple monomer electricity
Pond.
In one embodiment, head saves cell 1, minor details cell 13 and saves cell 1 and minor details list at head
Intermediate monomer battery 2 between body battery 13, is assembled into a complete battery modules by bonding materials such as glue.
In another embodiment, head save be respectively arranged on cell 1 and minor details cell 13 with perforation
Baffle plate, bar screw rod is the most solid so that head to save cell 1, minor details cell 13 and intermediate monomer battery 2 through perforation
Fixed, thus it is assembled into a complete battery modules.
The representative instance that multiple cells are assembled into battery modules described in detail above.Those skilled in the art can anticipate
Knowledge is arrived, and this description is only protection domain that is exemplary, that be not intended to limit the present invention.
It is positioned at the cell (i.e. first joint cell 1 and minor details cell 13) at battery modules two ends, owing to not hidden
Keep off and there is preferable radiating condition.And, it is positioned at the cell (i.e. intermediate monomer battery 2) of battery modules central authorities, by
All being blocked by other cell in its both sides, therefore radiating condition is poor.In a word, the monomer electricity at battery modules two ends it is positioned at
Pond has different heat dissipating states from the cell of battery modules central authorities, is wherein positioned at the cell at battery modules two ends more
Easily heat radiation.
In embodiments of the present invention, by increasing insulation material at battery modules two ends so that be positioned at the cell at two ends
Heat-sinking capability be reduced to be positioned at battery modules central authorities cell heat-sinking capability close to or be equal to, thus work as environment temperature
During degree change, the radiating condition of battery modules cell everywhere is close, therefore the temperature changing trend of cell is also everywhere
To reach unanimity, and be achieved in battery modules internal temperature homogeneity.
In embodiments of the present invention, saving at head and arrange the first heat-insulation layer on cell 1, this first heat-insulation layer has first
Heat conductivity；Arranging the second heat-insulation layer on minor details cell 13, this second heat-insulation layer has the second heat conductivity；And
And intermediate monomer battery 2 has the 3rd heat conductivity, wherein the first heat conductivity is less than the 3rd heat conductivity；Second heat conduction system
Number is less than the 3rd heat conductivity.
Preferably, the first heat conductivity and the second heat conductivity are identical.
Visible, it is respectively provided with heat conductivity on cell 1 and minor details cell 13 less than the 3rd heat conduction system owing to head saves
The heat-insulation layer of number, compares, such that it is able to partly or entirely compensate, the cell being positioned at battery modules central authorities owing to not being blocked
The diversity of relatively easy heat radiation.
Here, heat conductivity is only for there is the heat transfer form of heat conduction, when there is the heat transfer form of other forms, as
Complex heat transfer relation during the multiple heat transfer form such as radiation, convection current and mass transfer, heat conductivity be commonly called apparent thermal conductivity,
Dominant heat conductivity or effective thermal conductivity.
And, heat conductivity be homogeneous material for the first heat-insulation layer and the second heat-insulation layer for, under practical situation, first
Heat-insulation layer and the second heat-insulation layer there is likely to be porous, multilamellar, many structures, anisotropic material, this kind of material acquisition
Heat conductivity is actually the performance of a kind of comprehensive heat conductivility, and now heat conductivity can be referred to as mean coefficient of heat conductivity.
Fig. 2 is the demonstrative structure figure of the battery modules assembly according to first embodiment of the invention.
As in figure 2 it is shown, this battery modules assembly includes:
Battery modules 100, this battery modules 100 includes first joint cell 1, minor details cell 13 and saves monomer at head
One or more intermediate monomer battery between battery 1 and minor details cell 13.
Covering the left surface heat keeper 101 of the left surface of head joint cell 1, it is single that this left surface heat keeper 101 constitutes first joint
The heat-insulation layer with the first heat conductivity of body battery 1；
Covering the right flank heat keeper 102 of the right flank of minor details cell 13, this right flank heat keeper 102 constitutes minor details list
The heat-insulation layer with the second heat conductivity of body battery 13；
Wherein each intermediate monomer battery is exposed to surrounding enviroment, and surrounding enviroment have the 3rd heat conductivity.First heat conduction
Coefficient is less than the 3rd heat conductivity, and the second heat conductivity is less than the 3rd heat conductivity.
Visible, it is respectively provided with heat conductivity on cell 1 and minor details cell 13 less than the 3rd heat conduction owing to saving at head
The heat-insulation layer of coefficient, compares, such that it is able to partly or entirely compensate, the monomer electricity being positioned at battery modules central authorities owing to not being blocked
Pond is compared with the diversity of easy heat radiation.When variation of ambient temperature, the radiating condition of battery modules cell everywhere close to or phase
With, the temperature changing trend of cell also will reach unanimity everywhere, and be achieved in battery modules internal temperature homogeneity.
Fig. 2 shows that each intermediate monomer battery is exposed to a kind of detailed description of the invention of surrounding enviroment.Alternatively, middle single
Body battery can also be arranged in the 3rd heat-insulation layer with the 3rd heat conductivity.
In one embodiment, the first heat-insulation layer and the second heat-insulation layer include polyurethane；3rd heat-insulation layer comprises rubber.
The most exemplary exemplary material material describing the first heat-insulation layer, the second heat-insulation layer and the 3rd heat-insulation layer, this area
Technical staff is it is to be appreciated that this description is only protection domain that is exemplary, that be not intended to limit the present invention.
Fig. 3 is the demonstrative structure figure of the battery modules assembly according to second embodiment of the invention.
As it is shown on figure 3, this battery modules assembly includes:
Battery modules 100, this battery modules 100 includes first joint cell 1, minor details cell 13 and saves monomer at head
One or more intermediate monomer battery between battery 1 and minor details cell 13.
Battery modules assembly includes covering the first heat keeper assembly of first joint cell 1, and this first heat keeper assembly includes the
One upper surface heat keeper the 15, first lower surface heat keeper the 18, first front surface heat keeper the 17, first rear surface heat keeper 16
With the first left surface heat keeper 14；This first heat keeper assembly constitutes the guarantor with the first heat conductivity of head joint cell 1
Temperature layer；
Battery modules assembly also includes the second heat keeper assembly covering minor details cell 13, this second heat keeper assembly bag
Include second upper surface heat keeper the 25, second lower surface heat keeper the 28, second front surface heat keeper the 27, second rear surface insulation
Pad 26 and the first right flank heat keeper 24；This second heat keeper assembly constitute minor details cell 13 there is the second heat conduction system
The heat-insulation layer of number；
Intermediate monomer battery is exposed to be had in the surrounding enviroment of the 3rd heat conductivity, and the first heat conductivity is led less than the 3rd
Hot coefficient；Second heat conductivity is less than the 3rd heat conductivity.
Visible, in this second embodiment, the cell at battery modules two ends is carried out comprehensive insulation so that be positioned at
The heat-sinking capability of the cell at two ends be reduced to heat-sinking capability with centrally located cell close to or be equal to, thus ought
During variation of ambient temperature, the radiating condition of battery modules cell everywhere is close, therefore the variations in temperature of cell everywhere
Trend also will reach unanimity, and be achieved in battery modules internal temperature homogeneity.
Fig. 3 shows that each intermediate monomer battery is exposed to a kind of detailed description of the invention of surrounding enviroment.Alternatively, middle single
Body battery can also be arranged in the 3rd heat-insulation layer with the 3rd heat conductivity.
Fig. 4 is the demonstrative structure figure of the battery modules assembly according to third embodiment of the invention.
As shown in Figure 4, this battery modules assembly includes:
Battery modules 100, this battery modules 100 includes first joint cell 1, minor details cell 13 and saves monomer at head
One or more intermediate monomer battery between battery 1 and minor details cell 13.
Battery modules 100 is coated with the first sealing structure, and the first heat conductivity sealing structure is the 3rd heat conductivity, and
First seals structure includes table before battery modules upper surface heat keeper 35, battery modules lower surface heat keeper 38, battery modules
Face heat keeper 37, battery modules rear surface heat keeper 36, battery modules left surface heat keeper 34 and battery modules right flank are protected
Temperature pad 39；
Heat-insulation layer on first joint cell 1 includes battery modules left surface heat keeper 34 and covers battery modules left surface guarantor
Second left surface heat keeper 341 of temperature pad 34, the heat-insulation layer on first joint cell 1 has the first heat conductivity；
Heat-insulation layer on minor details cell 13 includes battery modules right flank heat keeper 39 and covers battery modules right flank guarantor
Second right flank heat keeper 391 of temperature pad 39, the heat-insulation layer on minor details cell 13 has the second heat conductivity.
From fig. 4, it can be seen that the first sealing structure in battery modules 100 act as the heat-insulation layer of intermediate monomer battery, Er Qie
On the cell (i.e. first joint cell 1 and minor details cell 13) at battery modules two ends, there is extra guarantor further
Temperature structure, thus good compensation compares the cell being positioned at battery modules central authorities compared with the difference of easy heat radiation owing to not being blocked
The opposite sex.
Fig. 5 is the demonstrative structure figure of the battery modules assembly according to four embodiment of the invention.
As seen from Figure 5, this battery modules assembly includes:
Battery modules 100, this battery modules 100 includes first joint cell 1, minor details cell 13 and saves monomer at head
One or more intermediate monomer battery between battery 1 and minor details cell 13.
Battery modules 100 is coated with the first sealing structure, and the first heat conductivity sealing structure is the 3rd heat conductivity, and
First seals structure includes table before battery modules upper surface heat keeper 35, battery modules lower surface heat keeper 38, battery modules
Face heat keeper 37, battery modules rear surface heat keeper 36, battery modules left surface heat keeper 34 and battery modules right flank are protected
Temperature pad 39.
First seals structure serves as the insulation construction of whole battery modules 100.And, save cell 1 and minor details list at head
Extra insulation construction is had the most respectively on body battery 13.
Additional insulation structure on first joint cell 1 includes: cover head joint on battery modules left surface heat keeper 34 single
Second left surface heat keeper 341 of body battery 1；Battery modules upper surface heat keeper 35 covers head joint cell 1
3rd upper surface heat keeper 351；Battery modules lower surface heat keeper 38 covers the 3rd lower surface of head joint cell 1
Heat keeper 381；Battery modules front surface heat keeper 37 covers the 3rd front surface heat keeper 371 of head joint cell 1；
Battery modules rear surface heat keeper 36 covers the 3rd rear surface heat keeper 361 of head joint cell 1.
Additional insulation structure on minor details cell 13 includes: cover minor details list on battery modules right flank heat keeper 39
Second right flank heat keeper 391 of body battery 13；Battery modules upper surface heat keeper 35 covers minor details cell 13
The 4th upper surface heat keeper 352；Battery modules lower surface heat keeper 38 covers the 4th time of minor details cell 13
Surface heat preservation pad 382；Battery modules front surface heat keeper 37 covers the 4th front surface insulation of minor details cell 13
Pad 372；Battery modules rear surface heat keeper 36 covers the 4th rear surface heat keeper 362 of minor details cell 13.
The Additional insulation structure of first joint cell 1 seals structure with the part first covering head joint cell 1 and collectively forms
The heat-insulation layer of first joint cell 1.The heat-insulation layer of first joint cell 1 has the first heat conductivity.Minor details cell 13
Additional insulation structure and cover the part first of minor details cell 13 and seal structure and collectively form minor details cell 13
Heat-insulation layer.The heat-insulation layer of minor details cell 13 has the second heat conductivity.
First heat conductivity is less than the 3rd heat conductivity；Second heat conductivity is less than the 3rd heat conductivity.
As seen from Figure 5, the first sealing structure in battery modules 100 act as the heat-insulation layer of intermediate monomer battery, Er Qie
The most comprehensive on the cell (i.e. first joint cell 1 and minor details cell 13) at battery modules two ends have volume
Outer insulation material, thus compare Fig. 4 and compensate better for comparing the monomer being positioned at battery modules central authorities owing to not being blocked
Battery is compared with the diversity of easy heat radiation.
Electric automobile the most all has battery management system (BMS).BMS is to connect vehicle mounted dynamic battery and electric automobile
Important tie, its major function includes: battery physical parameter is monitored in real time；Battery status is estimated；Inline diagnosis and early warning；
Charge and discharge control with preliminary filling；Balanced management and heat management etc..The battery modules assembly that embodiment of the present invention can be proposed
It is applied in various types of BMS.
Moreover, it is also possible to the battery modules assembly that embodiment of the present invention proposes is applied in various types of electric automobile,
Including pure electric automobile (BEV), hybrid vehicle (PHEV) or fuel cell car (FCEV), etc..
In sum, in embodiments of the present invention, head and the tail in battery modules arrange different size with mid portion respectively
Insulation material, makes the diverse location of battery modules can obtain different heat-sinking capabilities, thus ensures battery modules various places inside
Temperature is consistent.
The a series of detailed description of those listed above is only for illustrating of the feasibility embodiment of the present invention, and
And be not used to limit the scope of the invention, all equivalent embodiments made without departing from skill of the present invention spirit or change,
As feature combination, split or repeat, should be included within the scope of the present invention.
Claims (10)
1. the battery modules assembly of an electric automobile, it is characterised in that include；
Battery modules (100), described battery modules (100) include first joint cell (1), minor details cell (13) and
Intermediate monomer battery (2) between described first joint cell (1) and minor details cell (13)；
Being arranged in the first heat-insulation layer on described first joint cell (1), described first heat-insulation layer has the first heat conductivity；
Being arranged in the second heat-insulation layer on described minor details cell (13), described second heat-insulation layer has the second heat conductivity；
Described intermediate monomer battery (2) has the 3rd heat conductivity, and described first heat conductivity is less than described 3rd heat conductivity；
Described second heat conductivity is less than described 3rd heat conductivity.
Battery modules assembly the most according to claim 1, it is characterised in that
Described first heat-insulation layer includes the left surface heat keeper (101) covering the left surface of described first joint cell (1)；
Described second heat-insulation layer includes the right flank heat keeper (102) covering the right flank of described minor details cell (13)；
Described intermediate monomer battery (2) is exposed to surrounding enviroment, and described 3rd heat conductivity is the heat conductivity of described surrounding enviroment.
Battery modules assembly the most according to claim 1, it is characterised in that
Described first heat-insulation layer includes the left surface heat keeper (101) covering the left surface of described first joint cell (1)；
Described second heat-insulation layer includes the right flank heat keeper (102) covering the right flank of described minor details cell (13)；
Described intermediate monomer battery (2) is arranged in the 3rd heat-insulation layer with described 3rd heat conductivity.
Battery modules assembly the most according to claim 1, it is characterised in that
Described first heat-insulation layer includes the first heat keeper assembly covering described first joint cell (1), described first heat keeper group
Part include the first upper surface heat keeper (15), the first lower surface heat keeper (18), the first front surface heat keeper (17), after first
Surface heat preservation pad (16) and the first left surface heat keeper (14)；
Described second heat-insulation layer includes the second heat keeper assembly covering described minor details cell (13), described second heat keeper
Assembly include the second upper surface heat keeper (25), the second lower surface heat keeper (28), the second front surface heat keeper (27), second
Rear surface heat keeper (26) and the first right flank heat keeper (24)；
Described intermediate monomer battery (2) is exposed to surrounding enviroment, and described 3rd heat conductivity is the heat conductivity of described surrounding enviroment.
Battery modules assembly the most according to claim 1, it is characterised in that
Described battery modules is coated with the first sealing structure, and the described first heat conductivity sealing structure is described 3rd heat conductivity,
Described first seals structure includes battery modules upper surface heat keeper (35), battery modules lower surface heat keeper (38), battery mould
Group front surface heat keeper (37), battery modules rear surface heat keeper (36), battery modules left surface heat keeper (34) and battery
Module right flank heat keeper (39)；
Described first heat-insulation layer includes described battery modules left surface heat keeper (34) and covers the insulation of described battery modules left surface
Second left surface heat keeper (341) of pad (34)；
Described second heat-insulation layer includes described battery modules right flank heat keeper (39) and covers the insulation of described battery modules right flank
Second right flank heat keeper (391) of pad (39).
Battery modules assembly the most according to claim 1, it is characterised in that
Described battery modules is coated with the first sealing structure, and the described first heat conductivity sealing structure is described 3rd heat conductivity,
Described first seals structure includes battery modules upper surface heat keeper (35), battery modules lower surface heat keeper (38), battery mould
Group front surface heat keeper (37), battery modules rear surface heat keeper (36), battery modules left surface heat keeper (34) and battery
Module right flank heat keeper (39)；
Described first heat-insulation layer includes: described battery modules left surface heat keeper (34), at described battery modules left surface heat keeper
(34) the described head of upper covering saves the second left surface heat keeper (341) of cell (1), protects at described battery modules upper surface
Temperature pad (35) is upper covers the 3rd upper surface heat keeper (351) of described first joint cell (1), in described battery modules following table
Face heat keeper (38) is upper covers the 3rd lower surface heat keeper (381) of described first joint cell (1), in described battery modules
Front surface heat keeper (37) is upper covers described first the 3rd front surface heat keeper (371) saving cell (1) and at described electricity
Upper the 3rd rear surface heat keeper (361) covering described first joint cell (1) in module rear surface, pond heat keeper (36)；
Described second heat-insulation layer includes: described battery modules right flank heat keeper (39), at described battery modules right flank heat keeper
(39) the second right flank heat keeper (391) of described minor details cell (13) is above covered, at described battery modules upper surface
Heat keeper (35) is upper covers the 4th upper surface heat keeper (352) of described minor details cell (13), in described battery modules
Lower surface heat keeper (38) is upper covers the 4th lower surface heat keeper (382) of described minor details cell (13), at described electricity
Upper the 4th front surface heat keeper (372) covering described minor details cell (13) in pond module front surface heat keeper (37) and
Upper the 4th rear surface heat keeper (362) covering described minor details cell (13) of described battery modules rear surface heat keeper (36).
Battery modules assembly the most according to claim 3, it is characterised in that described first heat conductivity is led with described second
Hot coefficient is identical.
Battery modules assembly the most according to claim 7, it is characterised in that described first heat-insulation layer and the second heat-insulation layer bag
Include polyurethane；Described 3rd heat-insulation layer comprises rubber.
9. a battery management system, it is characterised in that include the battery modules assembly as according to any one of claim 1-8.
10. an electric automobile, it is characterised in that include the battery modules assembly as according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510621767.0A CN105895996A (en) | 2015-09-25 | 2015-09-25 | Battery module assembly for electric vehicle, battery management system and electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510621767.0A CN105895996A (en) | 2015-09-25 | 2015-09-25 | Battery module assembly for electric vehicle, battery management system and electric vehicle |
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| CN105895996A true CN105895996A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510621767.0A Pending CN105895996A (en) | 2015-09-25 | 2015-09-25 | Battery module assembly for electric vehicle, battery management system and electric vehicle |
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| CN102054948A (en) * | 2009-10-30 | 2011-05-11 | 三洋电机株式会社 | Power supply device and vehicle having the same |
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| CN103069611A (en) * | 2011-07-05 | 2013-04-24 | 株式会社日立制作所 | Nonaqueous electrolyte battery module |
| CN104904060A (en) * | 2012-10-18 | 2015-09-09 | 日立汽车系统株式会社 | Battery block and battery module having same |
| CN105098288A (en) * | 2014-05-06 | 2015-11-25 | 福特全球技术公司 | Heat retaining vehicle battery assembly |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054948A (en) * | 2009-10-30 | 2011-05-11 | 三洋电机株式会社 | Power supply device and vehicle having the same |
| CN103069611A (en) * | 2011-07-05 | 2013-04-24 | 株式会社日立制作所 | Nonaqueous electrolyte battery module |
| CN202772209U (en) * | 2012-09-12 | 2013-03-06 | 北京普莱德新能源电池科技有限公司 | Lithium-ion power battery pack |
| CN104904060A (en) * | 2012-10-18 | 2015-09-09 | 日立汽车系统株式会社 | Battery block and battery module having same |
| CN105098288A (en) * | 2014-05-06 | 2015-11-25 | 福特全球技术公司 | Heat retaining vehicle battery assembly |
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