CN108923099A - A kind of novel power battery mould group and its assembly technology - Google Patents
A kind of novel power battery mould group and its assembly technology Download PDFInfo
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- CN108923099A CN108923099A CN201810482463.4A CN201810482463A CN108923099A CN 108923099 A CN108923099 A CN 108923099A CN 201810482463 A CN201810482463 A CN 201810482463A CN 108923099 A CN108923099 A CN 108923099A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 238000002955 isolation Methods 0.000 claims description 32
- 239000003292 glue Substances 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 13
- 239000003063 flame retardant Substances 0.000 claims description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 150000002148 esters Chemical class 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 2
- 239000004831 Hot glue Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009825 accumulation Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 description 9
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention discloses a kind of novel power battery mould group and its assembly technology, wherein, novel power battery mould group includes mould group and fixed bracket, and mould group includes several battery core strings, battery core string is formed by several battery cores are staggered, is connected with each other between the outer wall of the two neighboring battery core of battery core string；Fixed bracket includes the fixed ear positioned at the insulating heat-conductive plate at mould group both ends and positioned at mould group width direction two sides, and fixed ear is connect with two insulating heat-conductive plates respectively.Side wall between the two neighboring battery core of same battery core string is connected, and modular volume specific energy can be improved；In the heat transfer of cell polar ear position to insulating heat-conductive plate, then by air-cooled form heat is taken away, can reduce due to the temperature difference problem between the heat accumulation effect bring battery core between battery core, improve the consistency of battery core temperature.Compared with prior art, it also can solve the heat accumulation effect problem between battery core while novel power battery mould group of the invention high energy density per unit volume.
Description
Technical field
The present invention relates to battery technology fields, and in particular to a kind of novel power battery mould group and its assembly technology.
Background technique
The battery core of power battery module has different structures, such as cylinder, cuboid-type etc..Wherein, cylindrical
The group efficiency of battery core is minimum, and space utilization rate is minimum.The installation of cylindrical battery core generally uses in line or insert row form
The arrangement of mould group is carried out, wherein the radiating mode of mould group there are the modes such as natural heat dissipation, air blast cooling, liquid cooling.Natural heat dissipation and
In air blast cooling mode, the spacing between battery core is larger, in favor of heat dissipation；In liquid cooling mode, it need to be assigned between battery core
Water cooling tube.
For in line form cylindrical electrical core in groups, heat-dissipating space is reserved between battery core, causes space utilization rate low, body
Product specific energy is low.For insert row form cylindrical electrical core in groups, have the following defects：
（One）, the spacing between battery core reduce, heat-dissipating space is small, and heat accumulation effect is strong, is unfavorable for the heat diffusion of battery core；
（Two）, power battery module formed by going here and there battery core more, the gap of battery core during installation is small, and between different string battery cores without every
Grade, short circuit is easy to cause under bad working environments between difference string battery cores；
（Three）, the gap between battery core it is small, generate chain reaction between battery core when thermal runaway occurs for single battery core, will lead to mould group
Safety reduce；
（Four）, using natural cooling or air blast cooling battery modules when, since the thermal resistance of air is big, lead to different location in mould group
Battery core between temperature consistency reduce, the decline of the consistency of mould group；When battery modules cooling using liquid, liquid cooling pipeline increases
It is powered on core spacing, is unfavorable for the raising of modular volume specific energy, while increased costs, and increase fluid seepage bring risk.
Summary of the invention
It is an object of the present invention to provide a kind of with the new type power of high energy density per unit volume and good heat dissipation effect electricity
Chi Mo group.
Another object of the present invention is to provide a kind of assembly technologies of novel power battery mould group, can be made with high body
The novel power battery mould group of product specific energy and good heat dissipation effect.
For this purpose, the present invention uses following technical scheme：
On the one hand, a kind of novel power battery mould group is provided, including：
Mould group, the mould group include several battery core strings, and the battery core string is formed by several battery cores are staggered, the battery core string
It is connected with each other between the outer wall of the two neighboring battery core；
Fixed bracket, the fixed bracket include positioned at the insulating heat-conductive plate at mould group both ends and positioned at mould group width side
To the fixed ear of two sides, the fixed ear is connect with two insulating heat-conductive plates respectively.
As the preferred embodiment of the novel power battery mould group, the both ends of the battery core pass through heat-conducting glue and two respectively
The insulating heat-conductive plate connection.
As the preferred embodiment of the novel power battery mould group, the gap between the battery core is filled with heat-insulating flame-retardant
Layer.
It further include insulating heat shield as the preferred embodiment of the novel power battery mould group, the insulating heat shield peace
It is inserted between the battery core string, and the both ends of the insulating heat shield are connect with two insulating heat-conductive plates respectively.
As the preferred embodiment of the novel power battery mould group, the insulating heat shield includes the first isolation board and second
Isolation board, the two sides of first isolation board are respectively provided with several second isolation boards, first isolation board
The length of length and the mould group matches, and second isolation board extends to the mould far from one end of first isolation board
The side of group is formed several for accommodating the receiving area of the battery core string between first isolation board and second isolation board
Between.
As the preferred embodiment of the novel power battery mould group, second isolation board has several rebate, described
The shape of rebate matches with the shape for the outer peripheral portion that the battery core abuts the rebate.
As the preferred embodiment of the novel power battery mould group, the surface of the battery core is provided with conductive layer.
As the preferred embodiment of the novel power battery mould group, several described battery cores of each battery core string it
Between by aluminium wire weldering be connected in parallel.
As the preferred embodiment of the novel power battery mould group, offered on the insulating heat-conductive plate several for fixing
The stepped hole of the battery core, along the direction far from the mould group, the stepped hole successively includes the first hole and the second hole, and described the
The diameter in one hole is greater than the diameter in second hole, the battery core and first hole grafting.
As the preferred embodiment of the novel power battery mould group, the insulating heat-conductive plate side far from the mould group point
It is not provided with flow deflector, several through-holes are offered on the flow deflector, described aluminium wire one end and the cathode of the battery core weld, separately
One end passes through the through-hole and the flow deflector welds.
On the other hand, a kind of assembly technology of novel power battery mould group is provided, is included the following steps：
S10. the point heat-conducting glue at the wherein stepped hole of an insulating heat-conductive plate, and the installation in insulating heat shield and fixed ear
Then the insulating heat shield is mounted at the structure glue by point structure glue at position；
S20. as unit of battery core string, the battery core that surface is coated with conductive ester is mounted at stepped hole, and between the battery core
Heat-insulated foamed material is perfused, fixed ear then is installed in insulating heat-conductive plate two sides；
S30. the point heat-conducting glue at the stepped hole of another insulating heat-conductive plate, and in the insulating heat shield and the fixed ear
Installed position point structure glue, then by the insulating heat-conductive plate be mounted in mould group the other end；
S40. after the heat-insulated foamed material is formed by curing heat-insulating flame-retardant layer, on two insulating heat-conductive plate insulating heat-conductive plates
Installation confluence piece, then connect the confluence piece with the battery core in the battery core string by aluminium wire weldering respectively.
Beneficial effects of the present invention：
Novel power battery mould group of the present invention by the way that the side wall between the two neighboring battery core of same battery core string is connected,
The space occupancy of mould group can be reduced, to improve the energy density per unit volume of mould group；Insulating heat-conductive plate is arranged in mould group both ends, utilizes
The heating conduction of insulating heat-conductive plate can by the heat transfer of cell polar ear position to the insulating heat-conductive plate with large area, then
Heat is taken away by air-cooled form, so as to reduce since the heat accumulation effect between battery core brings battery core and its surrounding
Temperature difference problem between battery core improves the consistency of battery core temperature.Compared with prior art, the present invention is led by that will insulate
The both ends of mould group are arranged in hot plate, and by battery core close arrangement, can solve battery core while improving modular volume specific energy
Between heat accumulation effect problem.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the novel power battery mould group of the embodiment of the present invention.
Fig. 2 is the side view of the novel power battery mould group of the embodiment of the present invention.
Fig. 3 is the top view of the novel power battery mould group of the embodiment of the present invention（After the insulating heat-conductive plate for removing top）.
Fig. 4 is the cross-sectional view of the novel power battery mould group of the embodiment of the present invention.
Fig. 5 is the decomposition diagram of the novel power battery mould group of the embodiment of the present invention.
In figure：
1, battery core string；11, battery core；2, fixed bracket；21, insulating heat-conductive plate；22, fixed ear；23, stepped hole；3, heat-insulating flame-retardant
Layer；4, insulating heat shield；41, the first isolation board；42, the second isolation board.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that, the orientation or positional relationship of the instructions such as term "inner", "outside" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can be expressed
Or implicitly include one or more of the features.
In the description of the present invention unless specifically defined or limited otherwise, term " fixation " shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection, or is integral；It can be mechanical connection, be also possible to be electrically connected；
Can be directly connected, can also indirectly connected through an intermediary, can be two components interiors connection or two components
Interaction relationship.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature the "upper" of second feature include fisrt feature second feature just
Top and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the "lower" of second feature
It is directly below and diagonally below the second feature including fisrt feature, or is merely representative of first feature horizontal height less than second feature.
As shown in Fig. 1 to 5, the novel power battery mould group of the embodiment of the present invention includes：Mould group and fixed bracket, mould group
Including several battery core strings 1, battery core string 1 is formed by several battery cores 11 are staggered, the outer wall of the two neighboring battery core 11 of battery core string 1
Between be connected with each other；Fixed bracket includes positioned at the insulating heat-conductive plate 21 at 1 both ends of mould group and positioned at the two sides of mould group width direction
Fixed ear 22, fixed ear 22 connect with two insulating heat-conductive plates 21 respectively.In the present embodiment, adjacent the two of same battery core string 1
Side wall between a battery core 11 is connected, i.e., battery core 11 is arranged by the way of insert row, can reduce the lateral face of mould group
Product, the space occupancy for reducing mould group can arrange more electricity to improve the energy density per unit volume of mould group in unit volume
Core；Since the heat of battery core 11 is concentrated mainly on tab position, and insulating heat-conductive plate 21 is arranged in mould group both ends, can use insulation
The heating conduction of heat-conducting plate 21 is by the heat transfer to the insulating heat-conductive plate 21 with large area of 11 tab position of battery core, then leads to
It crosses air-cooled form to take away heat, so as to reduce since the heat accumulation effect between battery core 11 leads to battery core 11 and its surrounding
Battery core 11 between temperature difference problem, improve battery core 11 temperature consistency.Compared with prior art, the present invention passes through
Insulating heat-conductive plate 21 is arranged in the both ends of mould group, and by 11 close arrangement of battery core, while improving modular volume specific energy
It can solve the heat accumulation effect problem between battery core 11.
In the present embodiment, there are six battery core strings 1, six battery core strings 1 to form 3*2 square for insert row between two insulating heat-conductive plates 21
The polarity of configuration structure, 11 both ends of battery core of two neighboring battery core string 1 is opposite.It in other examples, can also be according to need
The quantity and arrangement of battery core string 1 are set.
In the present embodiment, insulating heat-conductive plate 21 is used and is made with thermal plastic cement, such as PC substrate, PA substrate, PPS substrate
Deng conductivity issues and Insulation Problems can be avoided the occurrence of using insulating heat-conductive plate 21 with using compared with metallic composite.For into
One step increases the thermal conductivity of insulating heat-conductive plate 21, is also added with glass fibre in thermal plastic cement, may be used also while increasing thermal conductivity
To improve the structural strength of insulating heat-conductive plate 21.
Wherein, the both ends of battery core 11 pass through heat-conducting glue respectively and connect with two insulating heat-conductive plates 21, to guarantee battery core 11
Tab position heat by heat-conducting glue stable delivery to insulating heat-conductive plate 21.
In the present embodiment, the dispensing amount of each battery core 11 can be controlled accurately by glue-dropping tool, so that it is guaranteed that each
The adhesive effect of battery core 11 improves the structural reliability of mould group.
As shown in Figure 1, several stepped holes 23 for being used to fix battery core 11 are offered on insulating heat-conductive plate 21, along far from mould group
Direction, stepped hole 23 successively includes the first hole and the second hole, and the diameter in the first hole is greater than the diameter in the second hole, battery core 11 and the
One hole grafting, heat-conducting glue on the hole wall in step surface and the first hole, can make battery core 11 and the stepped hole by glue-dropping tool point
Stablize grafting.
Preferably, insulating heat-conductive plate 21 has a cavity, is marked with phase-change material in cavity, the setting of phase-change material can make
The heat of each position of insulating heat-conductive plate 21 is quickly consistent, to improve the consistency of module temperature.
As shown in figure 4, the gap between battery core 11 is filled with heat-insulating flame-retardant layer 3.Specifically, toward the sky between battery core 11
The foamed material of liquid is perfused at gap and forms heat-insulating flame-retardant layer 3, therefore, heat-insulating flame-retardant layer 3 has after foamed material solidification
The density of the groove matched with the periphery of battery core 11, heat-insulating flame-retardant layer 3 is low, and thermal coefficient is small, fills between full battery core 11
Gap, have the function of good heat-insulated, fire-retardant and insulation, avoid the heat diffusion of each battery core 11 to adjacent thereto its
In his battery core 11, the consistency between battery core 11 is kept under same charge and discharge operating condition, while preventing under bad working environments some
The thermal runaway of battery core 11 is diffused as the thermal runaway of entire mould group, to improve the security performance of mould group and battery system.Meanwhile every
Hot flame-retardant layer 3 also has Auxiliary support, fixed function to battery core 11, and battery core 11 is avoided to be squeezed by external force.
As a preferred embodiment of the invention, the novel power battery mould group of the present embodiment further includes insulating heat shield 4,
Insulating heat shield 4 assigns between battery core string 1, and the both ends of insulating heat shield 4 are connect with two insulating heat-conductive plates 21 respectively.Absolutely
Edge thermal insulator 4 is plastic cement material, assigns between battery core string 1, can further prevent some battery core string 1 under bad working environments
Thermal runaway be diffused as the thermal runaway of entire mould group, moreover it is possible to avoid vehicle collision and squeeze etc. to occur in battery core 11 under extreme operating conditions
Short circuit, further increase the security performance of mould group.The insulating heat shield 4 is also used as the support construction in mould group, improves
The integral strength and rigidity of mould group improve the structural reliability and reasonability of mould group.
Specifically, insulating heat shield 4 includes the first isolation board 41 and the second isolation board 42, the two sides point of the first isolation board 41
It is not arranged at intervals with several second isolation boards 42, the length of the length and mould group of the first isolation board 41 matches, the second isolation board
42 one end far from the first isolation board 41 extend to the side of mould group, if being formed between the first isolation board 41 and the second isolation board 42
The receiving section for accommodating battery core string 1 is done, so that several battery core strings 1 are isolated.
Preferably, as shown in figure 5, the first isolation board 41 is slab construction, the second isolation board 42 has several rebate, circuitous
The shape in the portion of returning matches with the shape for the outer peripheral portion that battery core 11 abuts rebate, can stablize support battery core 11.
The embodiment further preferred as the present invention, the surface of battery core 11 is provided with conductive layer（It is not shown in the figure）,
In, conductive layer is made of conductive ester, and conductive ester is polyurethane or polycarbonate, and the setting of conductive layer can increase same electricity
Conductive effect between the two neighboring battery core 11 of core string 1 reduces the connection impedance between the battery core 11 of each battery core string 1, from
And the total impedance of mould group is reduced, and reduce the heat generated by impedance.
In the present embodiment, it is connected in parallel between several battery cores 11 of each battery core string 1 by aluminium wire weldering, specifically,
The cathode of battery core 11 is conductive using steel shell, and aluminium wire and cathode weld, several cathode are connected in parallel, the battery core string 1 is equivalent to
Share a cathode, aluminium wire be used for electric current conducting, can simultaneously serve as the fuse of each battery core 11, when battery core 11 occur it is different
Often electric discharge when, aluminium wire connected to it can quick fuse, so as to reduce because of the bring risk out of control of battery core 11.Specifically,
Aluminium wire passes through the second hole of stepped hole 23 and the cathode of battery core 11 welds.
Specifically, insulating heat-conductive plate 21 is respectively arranged with flow deflector far from the side of mould group（It is not shown in the figure）, flow deflector
On offer several through-holes, the cathode of aluminium wire one end and battery core 11 welds, and the other end passes through the through-hole and flow deflector welds, thus
Each battery core 11 of battery core string 1 is in parallel.
The embodiment of the present invention also provides a kind of assembly technology of the novel power battery mould group of above-described embodiment, specific to wrap
Include following steps：
S10. the point heat-conducting glue at the stepped hole 23 of a wherein insulating heat-conductive plate 21, and in insulating heat shield 4 and fixed ear
Insulating heat shield 4, is then mounted at structure glue by 22 installed position point structure glue；
S20. as unit of battery core string 1, the battery core that surface is coated with conductive ester is mounted at stepped hole 23, and between battery core 11
Heat-insulated foamed material is perfused, fixed ear 22 then is installed in 21 two sides of insulating heat-conductive plate；
S30. the point heat-conducting glue at the stepped hole 23 of another insulating heat-conductive plate 21, and in insulating heat shield and fixed ear 22
Then the insulating heat-conductive plate 21 is mounted in the other end of mould group by installed position point structure glue；
S40. it after heat-insulated foamed material is formed by curing heat-insulating flame-retardant layer 3, is installed on two insulating heat-conductive plate insulating heat-conductive plates 21
Converge piece, then connect confluence piece with the battery core 11 in battery core string 1 by aluminium wire weldering respectively, wherein confluence on piece offers
Several through-holes, aluminium wire one end and battery core 11 are welded, and the other end passes through the through-hole and confluence piece welding.
There is high energy density per unit volume according to novel power battery mould group prepared by the assembly technology of the present embodiment, and will not produce
Heat building-up effect has good heat dissipation performance.
It is to be understood that above-mentioned specific embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former
Reason, within the technical scope of the present disclosure, variation that anyone skilled in the art is readily apparent that or
Replacement, should be covered by the scope of protection of the present invention.
Above by specific embodiment, the present invention is described, but the present invention is not limited to these specific implementations
Example.It will be understood by those skilled in the art that various modifications, equivalent replacement, variation etc. can also be done to the present invention.But this
A little transformation, all should be within protection scope of the present invention without departing from spirit of the invention.In addition, present specification and power
Some terms used in sharp claim are not limitation, it is only for convenient for description.In addition, " a reality for the above many places
Apply example ", " another embodiment " etc. indicate different embodiments, naturally it is also possible to it is completely or partially combined and is implemented at one
In example.
Claims (10)
1. a kind of novel power battery mould group, which is characterized in that including：
Mould group, the mould group include several battery core strings, and the battery core string is formed by several battery cores are staggered, the battery core string
It is connected with each other between the outer wall of the two neighboring battery core；
Fixed bracket, the fixed bracket include positioned at the insulating heat-conductive plate at mould group both ends and positioned at mould group width side
To the fixed ear of two sides, the fixed ear is connect with two insulating heat-conductive plates respectively.
2. novel power battery mould group according to claim 1, which is characterized in that the both ends of the battery core pass through respectively leads
Hot glue is connect with two insulating heat-conductive plates.
3. novel power battery mould group according to claim 1 or 2, which is characterized in that the gap between the battery core
Filled with heat-insulating flame-retardant layer.
4. novel power battery mould group according to claim 1, which is characterized in that it further include insulating heat shield, it is described exhausted
Edge thermal insulator assigns between the battery core string, and the both ends of the insulating heat shield connect with two insulating heat-conductive plates respectively
It connects.
5. novel power battery mould group according to claim 4, which is characterized in that the insulating heat shield include first every
From plate and the second isolation board, the two sides of first isolation board are respectively provided with several second isolation boards, and described
The length of one isolation board and the length of the mould group match, and second isolation board prolongs far from one end of first isolation board
The side of the mould group is extended to, is formed between first isolation board and second isolation board several for accommodating the battery core
The receiving section of string.
6. novel power battery mould group according to claim 5, which is characterized in that second isolation board has several circuitous
The portion of returning, the shape of the rebate match with the shape for the outer peripheral portion that the battery core abuts the rebate.
7. novel power battery mould group according to claim 1, which is characterized in that the surface of the battery core is provided with conduction
Layer.
8. novel power battery mould group according to claim 1, which is characterized in that each battery core string several
It is connected in parallel between the battery core by aluminium wire weldering.
9. novel power battery mould group according to claim 1, which is characterized in that if being offered on the insulating heat-conductive plate
The stepped hole for fixing the battery core is done, along the direction far from the mould group, the stepped hole successively includes the first hole and the
Two holes, the diameter in first hole are greater than the diameter in second hole, the battery core and first hole grafting.
10. a kind of assembly technology of novel power battery mould group, which is characterized in that include the following steps：
S10. the point heat-conducting glue at the wherein stepped hole of an insulating heat-conductive plate, and the peace in insulating heat shield and fixed ear
Then the insulating heat shield is mounted at the structure glue by point structure glue at holding position；
S20. as unit of battery core string, the battery core that surface is coated with conductive ester is mounted at stepped hole, and between the battery core
Heat-insulated foamed material is perfused, fixed ear then is installed in insulating heat-conductive plate two sides；
S30. the point heat-conducting glue at the stepped hole of another insulating heat-conductive plate, and in the insulating heat shield and the fixed ear
Installed position point structure glue, then by the insulating heat-conductive plate be mounted in mould group the other end；
S40. after the heat-insulated foamed material is formed by curing heat-insulating flame-retardant layer, confluence is installed on two insulating heat-conductive plates
Then piece connect the confluence piece with the battery core in the battery core string by aluminium wire weldering respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482463.4A CN108923099A (en) | 2018-05-18 | 2018-05-18 | A kind of novel power battery mould group and its assembly technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482463.4A CN108923099A (en) | 2018-05-18 | 2018-05-18 | A kind of novel power battery mould group and its assembly technology |
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| Publication Number | Publication Date |
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| CN108923099A true CN108923099A (en) | 2018-11-30 |
Family
ID=64402677
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810482463.4A Withdrawn CN108923099A (en) | 2018-05-18 | 2018-05-18 | A kind of novel power battery mould group and its assembly technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786609A (en) * | 2019-01-31 | 2019-05-21 | 江苏敏安电动汽车有限公司 | A kind of battery series mould set and its assemble method, electric car |
| CN109860954A (en) * | 2019-01-30 | 2019-06-07 | 苏州力神能源科技有限公司 | It is a kind of using etc. temperature volumes structure battery group heated type temperature-controlling system |
| CN111284838A (en) * | 2020-03-20 | 2020-06-16 | 马英琪 | Operation method of cylindrical split type explosion-proof box for recycling waste batteries |
| CN111816800A (en) * | 2020-07-17 | 2020-10-23 | 河南平煤国能锂电有限公司 | Single battery with internal battery cores connected in series or in parallel in sequence |
| WO2021118893A1 (en) * | 2019-12-13 | 2021-06-17 | Hyperloop Technologies, Inc. | Method and system for thermal management of a battery system |
| CN113038752A (en) * | 2021-03-04 | 2021-06-25 | 台达电子企业管理（上海）有限公司 | Magnetic element module and vehicle-mounted charger |
-
2018
- 2018-05-18 CN CN201810482463.4A patent/CN108923099A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860954A (en) * | 2019-01-30 | 2019-06-07 | 苏州力神能源科技有限公司 | It is a kind of using etc. temperature volumes structure battery group heated type temperature-controlling system |
| CN109786609A (en) * | 2019-01-31 | 2019-05-21 | 江苏敏安电动汽车有限公司 | A kind of battery series mould set and its assemble method, electric car |
| WO2021118893A1 (en) * | 2019-12-13 | 2021-06-17 | Hyperloop Technologies, Inc. | Method and system for thermal management of a battery system |
| CN111284838A (en) * | 2020-03-20 | 2020-06-16 | 马英琪 | Operation method of cylindrical split type explosion-proof box for recycling waste batteries |
| CN111816800A (en) * | 2020-07-17 | 2020-10-23 | 河南平煤国能锂电有限公司 | Single battery with internal battery cores connected in series or in parallel in sequence |
| CN113038752A (en) * | 2021-03-04 | 2021-06-25 | 台达电子企业管理（上海）有限公司 | Magnetic element module and vehicle-mounted charger |
| CN113038752B (en) * | 2021-03-04 | 2023-02-28 | 台达电子企业管理（上海）有限公司 | Magnetic element module and vehicle-mounted charger |
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Application publication date: 20181130 |