CN106229427B - The power battery pack of compact - Google Patents
The power battery pack of compact Download PDFInfo
- Publication number
- CN106229427B CN106229427B CN201610628559.8A CN201610628559A CN106229427B CN 106229427 B CN106229427 B CN 106229427B CN 201610628559 A CN201610628559 A CN 201610628559A CN 106229427 B CN106229427 B CN 106229427B
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- Prior art keywords
- shell
- metal arc
- ceramic case
- battery core
- power battery
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- 239000000919 ceramic Substances 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005245 sintering Methods 0.000 claims abstract description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 13
- 210000000078 claw Anatomy 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 6
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 239000000178 monomer Substances 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 239000011162 core material Substances 0.000 description 36
- 239000000463 material Substances 0.000 description 8
- 229910052493 LiFePO4 Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000005955 Ferric phosphate Substances 0.000 description 3
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 3
- 229940032958 ferric phosphate Drugs 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 3
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000009831 deintercalation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- ZSYNKHJUSDFTCQ-UHFFFAOYSA-N [Li].[Fe].P(O)(O)(O)=O Chemical compound [Li].[Fe].P(O)(O)(O)=O ZSYNKHJUSDFTCQ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 208000024891 symptom Diseases 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- 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
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of power battery packs of compact, it includes shell, ceramic case, metal arc panel, left shell, right shell body and bottom plate, wherein, the shell is non-ignitable engineering plastics moulding, the shell is by top plate and left plate, " n " shape of right panel composition, the ceramic case is upper, under penetrating ceramic post sintering part, a metal arc body is respectively set in four corners of ceramic case, two edges of the metal arc body are fastened on the prominent card of the positioning, it is caught in a battery core four metal arc body middle positions, the battery core forms line with four metal arc panels and contacts.Cold wind of the present invention passes through according to design route around each battery core monomer, and the space in inner cavity is larger, can wind speed be slowed down, and generates heat with battery core carry out the preferable heat transfer effect of heat exchange generation to the greatest extent.
Description
Technical field
The invention is related to power battery technology field, specifically new-energy automobile power battery pack.
Background technology
China's prevalence lithium-ion-power cell at present, ferric phosphate lithium cell refer to using LiFePO4 as the lithium of positive electrode
Ion battery.
There are many kinds of the positive electrodes of lithium ion battery, mainly there is cobalt acid lithium, LiMn2O4, lithium nickelate, ternary material, phosphoric acid
Iron lithium etc..Wherein cobalt acid lithium is the positive electrode that current most lithium ion batteries use, and other positive electrodes are due to more
Kind reason, there are no mass productions on the market at present.LiFePO4 is also one of which lithium ion battery.From the principle of material
On say, LiFePO4 is also a kind of insertion/deintercalation process, this principle is identical with cobalt acid lithium, LiMn2O4.
Ferric phosphate lithium cell, same dangerous property.Because LiFePO4 is also a kind of lithium ion battery.From the original of material
It is said in reason, LiFePO4 is also a kind of insertion/deintercalation process, this principle is identical with cobalt acid lithium, LiMn2O4.And the change of lithium
It is very active to learn property, it is easy to burn, when battery charging and discharging, inside battery is persistently overheating, generated in activation process
Gas expansion, inner pressure of battery increase, and pressure reaches a certain level, if shell has scar, i.e., can rupture, cause leakage, it is on fire very
To explosion.
From the point of view of technical know-how, ferric phosphate lithium cell, to the dangerous improvement for having fraction such as explosion on fire of battery, but
It is not thorough very much, it is dangerous equally prominent.
In all cases, external short-circuit of battery, internal short-circuit, overcharge and all there is the possibility caused danger.
How to dissolve above-mentioned risk, is the important research direction of this field.
Meanwhile power battery pack requires the shape of rule, refers to being mounted on vehicle frame or row to facilitate installation, installation
In Lee's case, regular shape is particularly suitable for assembly process.
Invention content
In order to solve the deficiencies in the prior art, the present invention provides power battery pack, is initially used for solving each in battery pack
Radiate insufficient problem between battery core, provides a kind of power battery of the controllable approximately constant temperature in certain temperature range
Group, while solving the problems, such as the malposition of electrode that battery core fever expansion is brought, meanwhile, convenient for assembling and production, modularization, structure is tight
Gathering reduces use and manufacturing cost.
The technical solution adopted by the present invention to solve the technical problems is：
The power battery pack of compact, which is characterized in that including shell, ceramic case, metal arc panel, left shell, right shell
Body and bottom plate, wherein the shell is non-ignitable engineering plastics moulding, and the shell is made of top plate and left plate, right panel
" n " shape, the left plate is identical and arranged symmetrically with right panel structure, and the side being oppositely arranged is respectively arranged in left plate and right panel
Shape card slot, there are one through-hole, the convergent belt passes through the through-hole and the confluence for the middle position setting of the rectangular card slot
Band and battery core electrode welding；
Convergent belt mounting groove is respectively arranged in left plate and right panel on the outside of each through-hole, the convergent belt, which is mounted on, to converge
In stream band mounting groove, the wind distributing hole penetrated through with ceramic case inner cavity is evenly provided in the left plate and right panel；
The ceramic case is upper and lower penetrating ceramic post sintering part, is provided with inwardly in the middle part of four sides of the ceramic case
The prominent card of the positioning of recess, the thickness of the ceramic case are not more than 0.5 millimeter；
Metal arc panel, the metal arc panel are that " (metal is respectively set in four corners of ceramic case in " shape
Two edges of arc panel, the metal arc panel are fastened on the prominent card of the positioning, in four metal arc panel middle position cards
Enter a battery core, the battery core forms line with four metal arc panels and contacts；
Left connector and right connector are fixed in the left and right ends of ceramic case respectively, and wherein left and right connector structure is identical and symmetrically sets
It sets；The left and right connector bears against in left plate and right panel and fixed；
A left shell is fixed on the outside of left plate, a right shell body is fixed on the outside of right panel, wherein left and right shell structure
Identical and arranged symmetrically, in the side of left shell, there are one air inlets for setting, are cold wind import, the interface on right shell body is hot wind
Outlet.
Further, there are one punchings for the weld locations setting of the convergent belt.
Further, the convergent belt is cupro-nickel composite sheet.
Further, the battery core is cylindrical lithium battery cell.
Further, the left and right connector is engineering plastics moulding.
Further, the left connector includes ring part and claw, and the ring part is rectangular structure, on each side
There are one claw, each claws to be coordinated respectively with the prominent card of the positioning of the recess on ceramic case for upper setting, the ring part
With being aligned for the ceramic case.
The beneficial effects of the invention are as follows：
Core component includes a ceramic case, can largely be purchased, and is inorganic heatproof parts, either high temperature resistant, strong
Degree, insulating properties can meet the requirement of lithium battery, and in the case where clashing, can be crushed, and absorb
Impact energy improves the security performance of new energy vehicle.
Remaining component uses moulding and sheet metal component, compares conducive to molding with inexpensively, reduces cost.
All it is connected structure convenient for assembling, improves efficiency of assembling, is convenient for the maintenance in later stage.
Cold wind passes through according to design route around each battery core monomer, and the space in inner cavity is larger, can make
It obtains wind speed to slow down, generates heat with battery core carry out the preferable heat transfer effect of heat exchange generation to the greatest extent.
Arc sheetmetal is contacted with battery core, and the heat of generation is also pulled away, and forms better heat exchange effect.
It is light, reduce the total weight of power battery.
Description of the drawings
Fig. 1 is the stereogram of multiple battery unit assembled states.
Fig. 2 is the stereogram of a battery unit.
Fig. 3 is the full sectional view of Fig. 2.
Fig. 4 is the installation diagram of one group of battery.
Fig. 5 is the schematic diagram of ceramic case.
Fig. 6 is the stereogram of left connector.
Fig. 7 is the stereogram of shell.
Fig. 8 is the front view of shell.
Fig. 9 is the outer surface side view of shell.
Figure 10 is the inner surface side view of shell.
Figure 11 is the schematic diagram of left shell.
Figure 12 is the stereogram of bottom plate.
Figure 13 is arrangement schematic diagram of this battery pack in vehicle.
Figure 14 is the outlet and inlet wind path schematic diagram of battery heat removal system.
In figure：1 shell, 11 top plates, 12 left plates, 121 rectangular card slots, 122 through-holes, 123 convergent belt mounting grooves, 124 cloth wind
Hole, 125 ladder mouths, 13 right panels, 2 ceramic cases, the prominent card of 21 positioning, 3 metal arc panels, 4 bottom plates, 5 left shells, 5 ' right shell bodies, 51
Cold wind import, 52 hot-blast outlets, 6 battery cores, 71 first total pipelines, 72 second total pipelines, 7 wind turbines, 711 first air inlets, 712
Two air inlets, 721 first air outlets, 722 second air outlets, 723 third air outlets, 73 gate valves, 8 left connectors, 8 right connectors ', 81
Ring part, 82 claws.
Specific implementation mode
As shown in Fig. 1 to Figure 14, for existing defect, protection main body of the invention is as follows：
Exploitation is a kind of power battery pack, and existing cylinder type lithium battery has two kinds of situations during the installation process, one
Kind be directly to be bundled, form power battery pack, this power battery pack the problem is that, be easy accumulation heat, cause
Temperature increases, self-expanding, leakage, and for this problem, existing solution is to increase a frame, existing frame tool
There is heat symptom-complex shrinkage phenomenon scheme that is still apparent, such as being announced in Chinese patent CN204927374U, wherein holder is using injection molding
Part has the function of insulating and position, can facilitate the assembly of cylinder type lithium battery, still, above-mentioned structure does not form wind
Road does not solve the heat dissipation of battery core fundamentally.
The technical barrier to be solved is：
Problem one：During power battery works, there are heat expansion effect, the swell incremenies of multiple battery cores to be accumulated at for single battery core
In battery pack, huge deformation will be formed, it is that electrode design is at U to cause the dislocation of electrode position, current solution
Type, for making up displacement and deformation between battery core.
Problem two：In the case that short circuit occurs for single battery core, due to what is be proximate between battery core, electrode material and battery core material
Material be all combustible material, can cause it is adjacent between battery core detonation.
Problem three：Cooling wind is in unordered flow regime, cannot effectively be cooled down for battery core, cannot be in battery core
It is formed about uniform wind field, the non-uniform temperature at each battery core causes battery core internal resistance inconsistent, and battery core power consumption itself increases
Add.
Based on the description above, power battery cooling system provided by the invention, including power battery pack and wind adjust knot
Structure.
Power battery pack includes shell 1, ceramic case 2, metal arc panel 3, left shell 5, right shell body 5 ', bottom plate 4.
Shell 1 uses non-ignitable engineering plastic materials, such as bakelite material, is made by way of interception, width and electricity
The length of core is coincide, the n shapes that shell is made of three side plates, and inside is for installing battery core.
Shell 1 includes top plate 11 and left plate 12, right panel 13, and wherein top plate is a tablet, the fixation that left and right plate is respectively perpendicular
In the both sides of top plate 11, left plate and right panel are symmetrical structure, and the rectangular card slot being oppositely arranged is provided in left plate and right panel
121, there are one through-holes 122 for the middle position setting of rectangular card slot 121, which passes through for convergent belt, and completes here
The welding of convergent belt and battery core electrode.
Convergent belt mounting groove 123 is provided in the left plate in the outside of each through-hole 122 or right panel, convergent belt is mounted on
In this slot, above-mentioned convergent belt, there are one punchings for setting near pad, and punching is corresponding with the electrode of above-mentioned battery core, just
It is firm in welding.
Be evenly provided with wind distributing hole 124 in above-mentioned left plate and right panel, for and ceramic case inner cavity unicom, and to pottery
Air-flow is provided in porcelain shell.
Ceramic case 2 is upper and lower penetrating structure, is ceramic post sintering part, including four sides, the middle part setting of four sides
There is the positioning being recessed inwardly is prominent to block 21.The thickness of ceramic case is light no more than 0.5 millimeter.With good heat dissipation performance.
During sharp impacts occur, the comminuted cracking of ceramic case can absorb a large amount of collision energy.
Metal arc panel 3, using metal sheet stamping part, and through Overheating Treatment, with certain elasticity, metal arc panel is
" (" shape has certain elasticity, a metal arc panel 3 is respectively set in four corners of ceramic case, metal arc panel
Two edges are fastened on above-mentioned positioning and dash forward on card 21, Fig. 5, form positioning, and there are one predeformation, then in four metal arc panels
Middle position is caught in a cylindrical lithium battery cell 6, and with reference to figure 10, battery core 6 forms line with four metal arc panels and contacts, and refers to
Fig. 4.
A left connector 8 is fixed in the upper end of ceramic case 2, a right connector 8 ', wherein left and right joint structure are fixed in lower end
It is identical.It is illustrated by taking left connector as an example, left connector 8, preferably engineering plastics moulding, including ring part 81, claw 82, annular
Portion 81 is rectangular structure, and setting is there are one claw 82 on each side, the certain elasticity of claw, each claw respectively with
The prominent card of the positioning of recess on ceramic case is coordinated, that is, is stuck in four grooves, and is made ring part 81 and above-mentioned ceramics
The alignment of shell.
Left and right connector is born against in left plate 12 and right panel 13, is formed end and is fixed.
A left shell 5 is fixed in 12 outside of left plate, fixes a right shell body 5 ' in 13 outside of right panel, wherein left and right shell
Body structure is identical, is symmetrical arranged, illustrates by taking left shell as an example, left shell 5, preferably engineering plastics moulding, generally cover
Shape structure is fastened on the outside of left plate, and in the setting of the side of left shell, there are one air inlets, are cold wind import 51.
Right shell body is fixed on the outside of right panel, and the interface on right shell body is hot-blast outlet 52.
It is welded to connect, the preferred cupro-nickel composite sheet of convergent belt, is used by convergent belt respectively at the both ends of above-mentioned battery core
The connection of battery core 6 between adjacent, wherein cupro-nickel composite sheet is straight sheet metal, and is weldering at the both ends of cupro-nickel composite sheet
Contact is electrically connected with two electrodes of above-mentioned battery core by welding.
Above-mentioned multiple battery cores form a row by way of in parallel, form a unit, with reference to figure 6, then unit it
Between connect, formed a power battery pack.When multiple units are arranged close to, it is adjacent between two cold wind imports be located at it is same
Side, it is adjacent between hot-blast outlet be located at the same side, with reference to figure 1.
The lower end of left plate 12 and right panel 13 is provided with ladder mouth 125, and a bottom plate 4 is installed here, bottom plate is electricity
Core etc. is fixed on inside, forms one, bottom plate is engineering plastic materials and parts, and mounting structure is provided on the downside of bottom plate, passes through bottom plate
It is attached with vehicle frame.
It is connected in parallel to form car power source between multiple power battery packs.
One power battery pack is integrated using a shell, with reference to figure 3.
It is connected on the first branch pipe by a bend pipe in each cold wind import 51, multiple first branch pipes connect after collecting
Onto blast pipe, each hot-blast outlet 52 is connected to by a bend pipe in the second branch pipe, and multiple second branch pipes are connected to
At discharge pipe.
A kind of electrocar, is provided with power battery, and power battery includes multiple power battery packs, power battery pack
Different location in vehicle frame is set, and the blast pipe of multiple power battery packs is pooled to the first total pipeline 71, and discharge pipe is pooled to
Two total pipelines 72, wherein first one wind turbine 7 of manifold connections, wind turbine outside connects two air inlets, for ease of distinguishing, mark
It is denoted as the first air inlet 711 and the second air inlet 712, wherein the first air inlet 711 is located in driver's cab of sedan, and in driver's cabin
Filter cotton is provided at the first interior air inlet, the second air inlet 712 is located in rear side luggage case, is arranged at the second air inlet
There is filter device.The filter device is three-stage filtration, including filter cotton, filter cloth and filter, realizes precisely filtering.
Second total pipeline 72 connects three air outlets, for ease of distinguishing, labeled as the first air outlet 721, the second air outlet
722 and third air outlet 723, wherein the first air outlet is located in driver's cab of sedan, the second air outlet is located in luggage case, and with
The second above-mentioned air inlet merges, and carries out blowback to filter device, there is certain cleaning effect, third air outlet 723 to be located at
At frame chassis, for emptying.
Above-mentioned three air outlets and an air inlet are provided with gate valve 73, gate valve is solenoid valve, passes through solenoid valve
Switching, the switching for controlling air duct.
In winter, when outdoor is less than 0 degree Celsius, initial period needs to heat battery battery core, and circulated air is first
Air inlet is entered the wind, and acquisition is to drive indoor air, and the hot wind after cooling down to battery returns in driver's cabin, cycle in formation
Pattern.
In summer, when outdoor temperature is higher than 30 degrees Celsius, circulated air is entered the wind in the first air inlet, and acquisition is in driver's cabin
Air, the hot wind after cooling down to battery forms outside interior suction by arranging outside third air outlet and arranges pattern.
In the seasons such as spring or autumn, outdoor temperature is entered the wind, then from third at more than ten degrees Celsius from the second air inlet
It is arranged outside air outlet, forms circulation pattern.
By the selection of above-mentioned multigroup pattern, round-the-clock work may be implemented.
Further, coordinate battery management system, a temperature acquisition element, chamber can be integrated on the inside of above-mentioned lower cover
Interior temperature, the blow rate required by controlling wind turbine control the temperature of battery pack.
By above-mentioned implementation, the temperature of battery core can be controlled in the zone of reasonableness between 20 to 40 degree, and each
The uniform temperature fields of battery core are consistent.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the model of the present invention
It encloses and is defined, under the premise of not departing from design spirit of the present invention, various changes of the relevant technical staff in the field to the present invention
Shape and improvement should all expand in the protection domain as determined by claims of the present invention.
Claims (6)
1. the power battery pack of compact, which is characterized in that including shell（1）, ceramic case（2）, metal arc panel（3）, left housing
Body（5）, right shell body（5' ）And bottom plate（4）, wherein the shell（1）For A grades of non-ignitable engineering plastics mouldings, the shell
It is by top plate（11）And left plate（12）, right panel（13）" n " shape of composition, bottom plate（4）Be fixed on the lower section of shell, the left plate and
Right panel structure is identical and arranged symmetrically, and the rectangular card slot being oppositely arranged is respectively arranged in left plate and right panel（121）, the side
Shape card slot（121）Middle position there are one through-hole（122）, convergent belt is across the through-hole and the convergent belt and battery core electrode
Welding；
In each through-hole（122）It is respectively arranged with convergent belt mounting groove in the left plate and right panel in outside（123）, the convergent belt peace
Mounted in convergent belt mounting groove（123）In, the wind distributing hole penetrated through with ceramic case inner cavity is evenly provided in the left plate and right panel
（124）；
The ceramic case（2）For upper and lower penetrating ceramic post sintering part, the ceramic case（2）Four sides in the middle part of be provided with to
The prominent card of the positioning of sunken inside（21）, the thickness of the ceramic case is no more than 0.5 millimeter；
Metal arc panel（3）, the metal arc panel（3）For "（" shape, a gold is respectively set in four corners of ceramic case
Belong to arc panel（3）, two edges of the metal arc panel are fastened on the prominent card of the positioning（21）On, in four metal arc panels
Centre position is caught in a battery core（6）, the battery core（6）Line is formed with four metal arc panels to contact；
Ceramic case（2）Left and right ends fix left connector respectively（8）And right connector（8' ）, wherein left and right connector structure is identical
And it is symmetrical arranged；The left and right connector is born against in left plate（12）And right panel（13）It goes up and fixes；
In left plate（12）A left shell is fixed in outside（5）, in right panel（13）A right shell body is fixed in outside（5' ）, wherein
Left and right shell structure is identical and arranged symmetrically, and in the side of left shell, there are one air inlets for setting, are cold wind import（51）, right
Interface on shell is hot-blast outlet（52）.
2. the power battery pack of compact according to claim 1, which is characterized in that the weld locations of the convergent belt
There are one punchings for setting.
3. the power battery pack of compact according to claim 2, which is characterized in that the convergent belt is that cupro-nickel is compound
Piece.
4. the power battery pack of compact according to claim 1, which is characterized in that the battery core is cylindrical lithium battery electricity
Core.
5. the power battery pack of compact according to claim 1, which is characterized in that the left and right connector is engineering plastic
Expect moulding.
6. the power battery pack of compact according to claim 5, which is characterized in that the left connector includes ring part
（81）And claw（82）, the ring part（81）For rectangular structure, there are one claws for setting on each side（82）, each
A claw is coordinated with the prominent card of the positioning of the recess on ceramic case respectively, the ring part（81）With pair of the ceramic case
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628559.8A CN106229427B (en) | 2016-08-01 | 2016-08-01 | The power battery pack of compact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628559.8A CN106229427B (en) | 2016-08-01 | 2016-08-01 | The power battery pack of compact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106229427A CN106229427A (en) | 2016-12-14 |
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| CN111628719A (en) * | 2020-04-17 | 2020-09-04 | 泰州隆基乐叶光伏科技有限公司 | Junction box, photovoltaic module and wiring method |
| CN116193772A (en) * | 2021-11-26 | 2023-05-30 | 台达电子工业股份有限公司 | Anti-overflow thermal power device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201994351U (en) * | 2011-04-18 | 2011-09-28 | 湖北骆驼蓄电池研究院有限公司 | Winding type storage battery radiating shell |
| CN202042528U (en) * | 2011-02-24 | 2011-11-16 | 上海空间电源研究所 | High-energy-density lithium ion storage battery module |
| CN204927374U (en) * | 2015-07-22 | 2015-12-30 | 江苏索尔新能源科技股份有限公司 | A easy dismouting battery module for on -vehicle battery package |
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| JP2011049013A (en) * | 2009-08-26 | 2011-03-10 | Sanyo Electric Co Ltd | Battery pack |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202042528U (en) * | 2011-02-24 | 2011-11-16 | 上海空间电源研究所 | High-energy-density lithium ion storage battery module |
| CN201994351U (en) * | 2011-04-18 | 2011-09-28 | 湖北骆驼蓄电池研究院有限公司 | Winding type storage battery radiating shell |
| CN204927374U (en) * | 2015-07-22 | 2015-12-30 | 江苏索尔新能源科技股份有限公司 | A easy dismouting battery module for on -vehicle battery package |
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