CN118398955A - New energy automobile battery aluminum shell of multistage cooling - Google Patents
New energy automobile battery aluminum shell of multistage cooling Download PDFInfo
- Publication number
- CN118398955A CN118398955A CN202410558975.XA CN202410558975A CN118398955A CN 118398955 A CN118398955 A CN 118398955A CN 202410558975 A CN202410558975 A CN 202410558975A CN 118398955 A CN118398955 A CN 118398955A
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- Prior art keywords
- shell
- battery
- battery body
- lower shell
- new energy
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- 238000001816 cooling Methods 0.000 title claims abstract description 52
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 27
- 230000017525 heat dissipation Effects 0.000 claims abstract description 42
- 238000005192 partition Methods 0.000 claims description 40
- 238000009423 ventilation Methods 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 14
- 230000035939 shock Effects 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 4
- 210000005077 saccule Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005507 spraying 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
- H01M10/613—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
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
-
- 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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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)
- Aviation & Aerospace Engineering (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the field of new energy automobile batteries, in particular to a multi-stage cooling new energy automobile battery aluminum shell. The technical problems of the invention are as follows: in the prior art, the device is complex, the protection effect on the battery is poor, and the heat dissipation efficiency of the contact position with the battery is low. The technical implementation scheme of the invention is as follows: the utility model provides a new energy automobile battery aluminum hull of multistage cooling, includes lower casing and upper casing etc.; the lower shell is detachably connected with an upper shell. According to the invention, the lower shell is matched with the upper shell to realize the omnibearing protection of the battery body, then the contact between the radiating strip I and the radiating strip II and the battery body is reduced to primarily cool the battery body, then the protecting plate I and the protecting plate II blow air to the side wall of the battery body to further cool the battery body, and in the air reflow process, the protecting plate I and the protecting plate II fully contact with the battery body to reduce the radiating dead angle, so that the battery body is fully cooled, the multistage cooling is realized, the cooling effect is good, the structure is simple, and the practicability is high.
Description
Technical Field
The invention relates to the field of new energy automobile batteries, in particular to a multi-stage cooling new energy automobile battery aluminum shell.
Background
In the field of new energy automobiles, a lithium battery is used as a power supply of the new energy automobile, the lithium battery at the present stage is easy to generate heat in the long-time working process, and when the temperature of the lithium battery is too high, the lithium battery is damaged, even the new energy automobile is potentially threatened by explosion, and the high temperature of the lithium battery is treated at present, firstly, the capacity of the single battery is reduced, the single battery cannot work for a long time, the high temperature of the battery is caused, secondly, the battery stops working, and then the battery is waited for to be cooled still, but the stationary cooling efficiency is lower.
The prior Chinese patent: (CN 116565389A) a new energy aluminum battery shell group convenient for heat dissipation, a series of modes of rotating air blowing, utilizing jolting to enable the air blowing ring group to move left and right, compressing air, blowing, spraying and the like are matched to realize cooling, but the device is complex, the protection effect on a battery is poor, in practical application, the contact area of the device and the battery is large, the heat dissipation efficiency of the contact position of the device and the battery is low, and the practicability is limited.
Disclosure of Invention
The technical problems of the invention are as follows:
In order to overcome the defects of complex device, poor protection effect on a battery and low heat dissipation efficiency at a position contacted with the battery in the prior art, the invention provides the novel energy automobile battery aluminum shell with multistage cooling.
The technical implementation scheme adopted by the invention is as follows:
The utility model provides a new energy automobile battery aluminum hull of multistage cooling, includes lower casing and upper casing; the lower shell is detachably connected with the upper shell; the lower shell and the upper shell enclose a hollow cavity for placing the battery body; the lower shell is provided with an air inlet; the left part of the upper shell is provided with an air outlet; the air inlet and the air outlet are provided with filter screens; the lower shell and the upper shell are both provided with temperature sensors; the device also comprises a baffle I, a guard board I, a damping balloon, a baffle II and a guard board II; the lower shell is fixedly connected with a partition board I; the baffle I is fixedly connected with a guard board I of an annular enclosing wall; the guard board I is not contacted with the lower shell; the inner wall of the guard board I is fixedly connected with a plurality of shock absorption sacculus; the upper shell is fixedly connected with a baffle II; the baffle II is fixedly connected with an annular guard board II; the guard plate II is not contacted with the upper shell; the inner wall of the guard plate II is fixedly connected with a plurality of shock absorption sacculus; the shock-absorbing saccule is used for absorbing the impact of the battery body, the guard plates I and II, and cross sliding grooves are formed in the surfaces of parts contacted with all the shock-absorbing saccule.
More preferably, a ventilation cavity I is formed in the guard board I; a ventilation cavity II is formed in the guard board II.
More preferably, the shock-absorbing balloon is a hollow rubber shell and is used for providing support for the battery body and reducing the contact area between the battery body and the guard plates I and II.
More preferably, the heat dissipation device further comprises a heat dissipation strip I and a heat dissipation strip II; the inner bottom surface of the lower shell is fixedly connected with a plurality of heat dissipation strips I; the inner top surface of the upper shell is fixedly connected with a plurality of heat dissipation strips II.
More preferably, each heat dissipating strip ii corresponds to a position of one heat dissipating strip i.
More preferably, the radiator, the vertical plate and the cooling pipe are further included; the lower shell is provided with a radiator; the radiator consists of a fixed plate and a plurality of fans; the upper part of the radiator is fixedly connected with the partition board I; the lower shell, the partition board I and the radiator jointly form an air inlet cavity, and the air inlet is communicated with the left part of the air inlet cavity; the lower shell is fixedly connected with a vertical plate; the upper part of the vertical plate is fixedly connected with the partition board I; the vertical plate is positioned on the right side of the radiator; the lower shell, the partition board I, the radiator and the vertical plate jointly form a diversion cavity; the vertical plate is communicated with a cooling pipe; the cooling pipe passes through all the heat dissipation strips I in an S shape; the pipe orifice at the right end of the cooling pipe is communicated with the ventilation cavity I; the inner wall of the ventilation cavity I is provided with a plurality of heat dissipation holes I; the upper part of the ventilation cavity I is provided with a plurality of communication holes I; a plurality of heat dissipation holes II are formed in the inner wall of the ventilation cavity II; the lower part of the ventilation cavity II is provided with a communication hole II; each communication hole II is matched with one communication hole I and used for communicating the ventilation cavity I and the ventilation cavity II.
More preferably, the filter screen of the air inlet is arranged at an inclined downward reverse bevel.
More preferably, the filter screen of the air outlet is arranged at a positive oblique angle obliquely upwards, and the air outlet and the air inlet are splayed when seen from front to back.
More preferably, each radiating strip I and the adjacent radiating strip II are provided with a plurality of grooves on opposite sides.
More preferably, a partition III is further included; a partition plate III is fixedly connected between the radiator and the vertical plate; the partition board III is fixedly connected with the lower shell; the partition board III divides a flow dividing cavity formed by the radiator, the vertical plate, the lower shell and the partition board I into a front cavity and a rear cavity with different sizes; a plurality of air holes are formed in the partition plate III; each wind hole corresponds to one groove of the adjacent heat dissipation strip I; the right part of the partition board I is provided with a flow guide window I; a flow guide window II is arranged at the right part of the partition plate II; the flow guiding window II is matched with the flow guiding window I and used for communicating the right part of the lower shell with the right part of the upper shell.
The beneficial effects are that: 1. according to the invention, the lower shell is matched with the upper shell to realize the omnibearing protection of the battery body, then the contact between the radiating strip I and the radiating strip II and the battery body is reduced to primarily cool the battery body, then the protecting plate I and the protecting plate II blow air to the side wall of the battery body to further cool the battery body, and in the air reflow process, the protecting plate I and the protecting plate II fully contact with the battery body to reduce the radiating dead angle, so that the battery body is fully cooled, the multistage cooling is realized, the cooling effect is good, the structure is simple, and the practicability is high.
2. Through offer a plurality of recess on radiating strip I and radiating strip II for the air flows between adjacent radiating strip I, adjacent radiating strip II, is convenient for fully cool down battery body bottom and top, and the air that gets into adjacent radiating strip I still can flow through the slit between battery body and the backplate I upwards, drives the air that makes radiating hole I blow out, after accomplishing the cooling, flows upwards rapidly, avoids the heat to accumulate in slit department, further cools down battery body.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a multi-stage cooling new energy automobile battery aluminum case of the invention;
FIG. 2 is a cross-sectional view of the multi-stage cooling new energy automobile battery aluminum case of the invention;
FIG. 3 is a perspective view of the lower housing and upper housing of the present invention shown separated;
Fig. 4 is a schematic view of the installation position of the battery body according to the present invention;
FIG. 5 is a schematic view of the cooling tube mounting location of the present invention;
FIG. 6 is an enlarged view of the portion X of FIG. 5;
FIG. 7 is a schematic view of the installation position of the partition III according to the invention;
FIG. 8 is a first angular display of the lower housing and the upper housing of the present invention separated;
fig. 9 is a second angular display of the lower housing separated from the upper housing of the present invention.
Wherein the above figures include the following reference numerals: 001-battery body, 1-lower casing, 2-upper casing, 3-baffle I, 4-backplate I, 5-shock attenuation sacculus, 6-baffle II, 7-backplate II, 8-heat dissipation strip I, 9-heat dissipation strip II, 1001-air intake, 2001-air exit, 101-radiator, 102-riser, 103-cooling tube, 4001-ventilation chamber I, 4002-louvre I, 4003-communication hole I, 7001-ventilation chamber II, 7002-louvre II, 7003-communication hole II, 201-baffle III, 10201-louvre, 3001-flow guiding window I, 6001-flow guiding window II.
Detailed Description
It should be noted that in the various embodiments described, identical components are provided with identical reference numerals or identical component names, wherein the disclosure contained throughout the description can be transferred in a meaning to identical components having identical reference numerals or identical component names. The position specification, the upper, lower, lateral, etc. selected in the description are also referred to directly in the description and the figures shown and are transferred in the sense of a new position when the position is changed.
Example 1
The utility model provides a new energy automobile battery aluminum shell of multistage cooling, according to the shown in fig. 1-6, including lower casing 1 and upper casing 2; the lower shell 1 is detachably connected with an upper shell 2; the lower shell 1 and the upper shell 2 enclose a hollow cavity for placing the battery body 001; the left part of the lower shell 1 is provided with an air inlet 1001; the left part of the upper shell 2 is provided with an air outlet 2001; filter screens are arranged at the air inlet 1001 and the air outlet 2001; the lower shell 1 and the upper shell 2 are provided with temperature sensors;
The device also comprises a baffle I3, a guard board I4, a damping balloon 5, a baffle II 6 and a guard board II 7; the upper part of the lower shell 1 is welded with a baffle I3; a guard plate I4 of an annular enclosing wall is welded in the middle of the partition plate I3; the guard board I4 is not contacted with the lower shell 1; the inner wall of the guard plate I4 is fixedly connected with a plurality of shock absorption sacculus 5; the lower part of the upper shell 2 is welded with a baffle II 6; an annular guard plate II 7 is welded in the middle of the partition plate II 6; the guard plate II 7 is not contacted with the upper shell 2; the inner wall of the guard plate II 7 is fixedly connected with a plurality of damping sacculus 5; the shock attenuation sacculus 5 is used for absorbing the impact of battery body 001 and backplate I4 and backplate II 7, and the part surface that all shock attenuation sacculus 5 contacted all is provided with the cross spout, and shock absorption force is passed through to cross spout air leakage to shock attenuation sacculus 5, prevents that shock attenuation sacculus 5 from bouncing off battery body 001 and backplate I4 and backplate II 7 and causing secondary damage.
An annular ventilation cavity I4001 is formed in the guard plate I4; an annular ventilation cavity II 7001 is formed in the guard plate II 7.
The shock-absorbing balloon 5 is a hollow rubber shell and is used for supporting the battery body 001 and reducing the contact area between the battery body 001 and the guard plate I4 and the guard plate II 7.
The heat dissipation device also comprises a heat dissipation strip I8 and a heat dissipation strip II 9; at least eight radiating strips I8 which are equidistantly arranged are welded on the inner bottom surface of the lower shell 1; at least eight radiating strips II 9 which are equidistantly arranged are welded on the inner top surface of the upper shell 2.
Each radiating strip II 9 corresponds to the position of one radiating strip I8.
Also comprises a radiator 101, a vertical plate 102 and a cooling pipe 103; the left part of the lower shell 1 is provided with a radiator 101; the radiator 101 is composed of a fixed plate and a plurality of fans; the upper part of the radiator 101 is fixedly connected with the partition board I3; the lower shell 1, the partition board I3 and the radiator 101 form an air inlet cavity together, and an air inlet 1001 is communicated with the left part of the air inlet cavity; a vertical plate 102 is welded at the left part of the lower shell 1; the upper part of the vertical plate 102 is welded with the partition plate I3; riser 102 is located to the right of heat sink 101; the lower shell 1, the partition board I3, the radiator 101 and the vertical plate 102 jointly form a diversion cavity; the lower part of the vertical plate 102 is communicated with a cooling pipe 103; the cooling tube 103 passes through all the heat radiation strips i 8 in an S shape; the pipe orifice at the right end of the cooling pipe 103 is communicated with the ventilation cavity I4001; the inner wall of the ventilation cavity I4001 is provided with a plurality of heat dissipation holes I4002; the upper part of the ventilation cavity I4001 is provided with a plurality of communication holes I4003; a plurality of heat dissipation holes II 7002 are formed in the inner wall of the ventilation cavity II 7001; a communication hole II 7003 is arranged at the lower part of the ventilation cavity II 7001; each communicating hole ii 7003 is engaged with one communicating hole i 4003 for communicating the ventilation chamber i 4001 and the ventilation chamber ii 7001.
The screen of the intake 1001 is angled obliquely downward.
The filter screen of the air outlet 2001 is arranged at a positive oblique angle obliquely upwards, and the air outlet 2001 and the air inlet 1001 are splayed when seen from front to back.
Referring to the drawings, the specific process shown in fig. 1 to 6 is:
The radiator 101 is connected with the reserved electric contact on the lower shell 1 and is used for supplying power to the radiator 101 after the battery body 001 is subsequently arranged;
as shown in fig. 1 to 3, first, the upper shell 2 is opened, the battery body 001 is put into the guard plate i 4, the guard plate i 4 limits the battery body 001, the guard plate i 4 is in contact with the battery body 001 through the damping balloon 5, a slit is reserved between the inner annular surfaces of the battery body 001 and the guard plate i 4, the situation that the battery body 001 is buffered firstly by the damping balloon 5 when the battery aluminum shell is moved is effectively avoided, the impact to the battery body 001 is effectively reduced by the hollow rubber damping balloon 5, if the battery aluminum shell is higher than falling or is impacted by huge force, after the buffering effect of the damping balloon 5 fails, the guard plate i 4 is a hollow plate, the battery body 001 can be protected by further absorbing the energy of impact through the ventilation cavity i 4001, the upper shell 2 is covered on the lower shell 1, the function of the guard plate ii 7 is consistent with that of the guard plate i 4, then the lower shell 1 and the upper shell 2 are fixed through bolts, the lower shell 1 and the upper shell 2 are matched with each other, the battery body 001 is also prevented from being connected with the battery body 001 or being opened by the whole bearing of the upper shell, and the battery body 001 is conveniently maintained.
Considering that a great amount of heat is generated in the use process of the battery body 001, the lower shell 1 is provided with the air inlet 1001 and the upper shell 2 are provided with the air outlet 2001, the lower shell 1 is welded with a plurality of radiating strips I8, the radiating strips I8 replace the lower shell 1 and the battery body 001, the contact area between the battery body 001 and the lower shell 1 is effectively reduced, the lower shell 1 and the battery body 001 are prevented from being directly contacted, the air cannot flow between the lower shell 1 and the battery body 001, the heat dissipation efficiency of the battery body 001 is influenced, the heat generated on the battery body 001 can still be rapidly transferred to the lower shell 1 through the corresponding radiating strips I8, then the radiating strips I8 radiate outwards, the primary cooling of the battery body 001 is realized, the function of the radiating strips II 9 is consistent with that of the radiating strips I8 and II 9 are arranged one to one, the radiating strips I8 and II 9 are respectively used as the reinforcing ribs of the lower shell 1 and the upper shell 2, the structure of the battery aluminum shell is more stable, the strength is higher, and the protection of the battery aluminum shell is better protected in the battery body aluminum shell;
As shown in fig. 5, the radiator 101 is installed on the lower housing 1, when the temperature sensors of the lower housing 1 and the upper housing 2 detect that the temperature in the aluminum battery case is too high, the radiator 101 is controlled to be started, the radiator 101 extracts air from the outside from the air inlet 1001 with a reverse bevel angle, wherein the air inlet 1001 with the reverse bevel angle effectively avoids that dust in the air enters and settles on an air filter screen of the air inlet 1001 to block the air filter screen when the radiator 101 does not work, and when the outside air is extracted, the air firstly passes through the air filter screen of the air inlet 1001, the filter screen intercepts dust impurities in the air, and then the air enters an air inlet cavity enclosed by the lower housing 1, the partition board i 3 and the radiator 101, the fan of the radiator 101 blows air in the air inlet cavity, a flow distribution cavity is formed by enclosing the lower shell 1, the partition board I3, the radiator 101 and the vertical plate 102, the air in the flow distribution cavity passes through each heat dissipation strip I8 in an S shape through the cooling pipe 103, and the air recently enters the ventilation cavity I4001 from the right side of the guard board I4, wherein if the battery body 001 works or the battery body 001 is abnormal, a large amount of heat locally generated by the battery body 001 passes through each heat dissipation strip I8 in an S shape through the cooling pipe 103, so that a large amount of heat locally generated is effectively conducted through the dispersion of the plurality of heat dissipation strips I8 together, the local quick cooling of the battery body 001 is realized, and the practicability is strong;
As shown in fig. 5 and 6, the air in the ventilation cavity i 4001 enters the ventilation cavity ii 7001 through the communication hole i 4003 and the communication hole ii 7003, then the air is blown to the side wall of the battery body 001 from the heat dissipation hole ii 7002 of the ventilation cavity ii 7001, the heat dissipation hole i 4002 of the ventilation cavity i 4001 realizes further cooling of the battery body 001, the air blown to the side wall of the battery body 001 flows upwards through the slit between the guard plate i 4 and the guard plate ii 7 and the battery body 001, then enters the upper shell 2, then the hot air is discharged obliquely upwards from the air outlet 2001 which is arranged at a positive oblique angle, the air outlet 2001 and the air inlet 1001 are splayed in shape when seen from front to back, the hot air discharged from the air outlet 2001 is effectively prevented from being rapidly pumped back by the air inlet 1001, the cooling efficiency of the battery body 001 is influenced, thereby realizing multistage cooling, the cooling effect is good, the structure is simple, the actual working temperature requirement of the battery body 001 is met, and normal use of the battery body 001 is ensured.
Example 2
On the basis of embodiment 1, according to fig. 1-3 and fig. 7-9, each heat dissipating strip i 8 and the adjacent heat dissipating strip ii 9 are provided with a plurality of grooves on opposite sides.
Also comprises a baffle III 201; a partition plate III 201 is welded between the radiator 101 and the vertical plate 102; the baffle III 201 is fixedly connected with the lower shell 1; the partition plate III 201 divides a flow dividing cavity formed by the radiator 101, the vertical plate 102, the lower shell 1 and the partition plate I3 into a front cavity and a rear cavity with different sizes; a plurality of air holes 10201 are formed in the partition plate III 201; each air hole 10201 corresponds to one groove of the adjacent heat dissipation strip I8; the right part of the partition board I3 is provided with a flow guide window I3001; a flow guide window II 6001 is arranged at the right part of the baffle II 6; the flow guiding window II 6001 is matched with the flow guiding window I3001 and is used for communicating the right part of the lower shell 1 with the right part of the upper shell 2.
As shown in fig. 7 to 9, on the basis of the above embodiment, the lower part of the battery body 001 dissipates heat through the heat dissipation strips i 8, the upper part of the battery body 001 dissipates heat through the heat dissipation strips ii 9, the battery body 001 has parts which are not contacted with the heat dissipation strips i 8 and ii 9, at this time, a partition plate iii 201 is arranged in the shunt cavity, at least one fan blows air to the cooling tube 103 of the front cavity of the shunt cavity, the remaining fan on the radiator 101 blows air in the shunt cavity into each air hole 10201, each air hole 10201 corresponds to a groove of the heat dissipation strip i 8, at this time, the battery body 001 is not completely contacted with all the heat dissipation strips i 8, grooves are formed in the heat dissipation strips i 8, the air blown out from the air holes 10201 cools the battery body 001 further, then the air sequentially passes through the grooves of the heat dissipation strips i 8, enters the space between each two heat dissipation strips i 8, the lower part of the battery body 001 is sufficiently cooled, and the air blown out from the air holes 10201 to the lower part of the battery body 001 is blown out into the battery body 10201 along the battery body, the air holes 10201 also flows upwards along the grooves between the air holes 10201 and the battery body 001 and the heat dissipation plate i 4, the heat is prevented from being cooled down by the battery body 001, and the heat is further cooled down by the battery body 001 is prevented from flowing upwards along the slits to the heat dissipation plate 001 and is cooled by the air holes 001 and is cooled down by the heat is further cooled down by the battery body 001;
Then air reaches lower casing 1 right part, and air continues to flow upwards, and the air continues to flow through behind guide window I3001 and guide window II 6001 and enters into last casing 2, also opens a plurality of recess on the radiating strip II 9 this moment, and radiating strip II 9 and battery body 001 are not complete contact yet, and the air enters into the position between every adjacent radiating strip II 9 in proper order through the recess, cools down again the upper portion of battery body 001, and the left part of last casing 2 is reached to the air, again discharges from air exit 2001 to the realization is to the multistage cooling of battery body 001, and the cooling efficiency of battery body 001 is higher.
While the disclosure has been described with respect to only a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (10)
1. The utility model provides a new energy automobile battery aluminum shell of multistage cooling, includes lower casing (1) and last casing (2); the lower shell (1) is detachably connected with the upper shell (2); the lower shell (1) and the upper shell (2) enclose a hollow cavity for placing a battery body (001); the lower shell (1) is provided with an air inlet (1001); an air outlet (2001) is arranged at the left part of the upper shell (2); the air inlet (1001) and the air outlet (2001) are provided with filter screens; the lower shell (1) and the upper shell (2) are both provided with temperature sensors; the device is characterized by further comprising a baffle I (3), a guard board I (4), a damping balloon (5), a baffle II (6) and a guard board II (7); the lower shell (1) is fixedly connected with a partition board I (3); the baffle I (3) is fixedly connected with a guard board I (4) of the annular enclosing wall; the guard board I (4) is not contacted with the lower shell (1); the inner wall of the guard board I (4) is fixedly connected with a plurality of shock absorption sacculus (5); the upper shell (2) is fixedly connected with a baffle II (6); the baffle II (6) is fixedly connected with an annular guard plate II (7); the guard plate II (7) is not contacted with the upper shell (2); the inner wall of the guard plate II (7) is fixedly connected with a plurality of shock absorption sacculus (5); the shock absorption saccule (5) is used for absorbing the impact of the battery body (001) with the guard board I (4) and the guard board II (7), and cross sliding grooves are formed in the surfaces of parts contacted with all the shock absorption saccule (5).
2. The multi-stage cooling new energy automobile battery aluminum shell according to claim 1, wherein a ventilation cavity I (4001) is formed in the guard board I (4); a ventilation cavity II (7001) is formed in the guard plate II (7).
3. The multi-stage cooling new energy automobile battery aluminum shell according to claim 1 is characterized in that the damping balloon (5) is a hollow rubber shell and is used for supporting the battery body (001) and reducing the contact area between the battery body (001) and the guard plate I (4) and the guard plate II (7).
4. The multi-stage cooling new energy automobile battery aluminum shell according to claim 2, which is characterized by further comprising a heat radiation strip I (8) and a heat radiation strip II (9); the inner bottom surface of the lower shell (1) is fixedly connected with a plurality of heat dissipation strips I (8); the inner top surface of the upper shell (2) is fixedly connected with a plurality of heat dissipation strips II (9).
5. The multi-stage cooling aluminum battery case for the new energy automobile according to claim 4, wherein each heat dissipating strip II (9) corresponds to the position of one heat dissipating strip I (8).
6. The multi-stage cooling new energy automobile battery aluminum shell according to claim 4, further comprising a radiator (101), a vertical plate (102) and a cooling pipe (103); the lower shell (1) is provided with a radiator (101); the radiator (101) consists of a fixed plate and a plurality of fans; the upper part of the radiator (101) is fixedly connected with the partition board I (3); the lower shell (1), the partition board I (3) and the radiator (101) form an air inlet cavity together, and an air inlet (1001) is communicated with the left part of the air inlet cavity; the lower shell (1) is fixedly connected with a vertical plate (102); the upper part of the vertical plate (102) is fixedly connected with the partition board I (3); the vertical plate (102) is positioned on the right side of the radiator (101); the lower shell (1), the partition board I (3), the radiator (101) and the vertical plate (102) form a diversion cavity together; the vertical plate (102) is communicated with a cooling pipe (103); the cooling tube (103) passes through all the heat radiation strips I (8) in an S shape; the pipe orifice at the right end of the cooling pipe (103) is communicated with the ventilation cavity I (4001); the inner wall of the ventilation cavity I (4001) is provided with a plurality of heat dissipation holes I (4002); the upper part of the ventilation cavity I (4001) is provided with a plurality of communication holes I (4003); a plurality of heat dissipation holes II (7002) are formed in the inner wall of the ventilation cavity II (7001); the lower part of the ventilation cavity II (7001) is provided with a communication hole II (7003); each communication hole II (7003) is matched with one communication hole I (4003) for communicating the ventilation cavity I (4001) and the ventilation cavity II (7001).
7. The multi-stage cooling aluminum battery case for a new energy automobile according to claim 6, wherein the filter screen of the air inlet (1001) is arranged at a downward inclined reverse oblique angle.
8. The multi-stage cooling aluminum battery case for a new energy automobile according to claim 6, wherein the filter screen of the air outlet (2001) is arranged at a positive oblique angle in an upward oblique direction, and the air outlet (2001) and the air inlet (1001) are splayed when seen from front to back.
9. The multi-stage cooling aluminum battery case for the new energy automobile according to any one of claims 4 to 8, wherein a plurality of grooves are formed on opposite sides of each heat dissipation strip I (8) and the adjacent heat dissipation strip II (9).
10. The multi-stage cooling new energy automobile battery aluminum shell according to claim 9, further comprising a partition III (201); a partition plate III (201) is fixedly connected between the radiator (101) and the vertical plate (102); the partition board III (201) is fixedly connected with the lower shell (1); the partition board III (201) divides a flow dividing cavity enclosed by the radiator (101), the vertical board (102), the lower shell (1) and the partition board I (3) into a front cavity and a rear cavity with different sizes; a plurality of air holes (10201) are formed in the partition plate III (201); each wind hole (10201) corresponds to one groove of the adjacent heat dissipation strip I (8); a diversion window I (3001) is arranged at the right part of the partition board I (3); a flow guide window II (6001) is arranged at the right part of the baffle II (6); the flow guide window II (6001) is matched with the flow guide window I (3001) and is used for communicating the right part of the lower shell (1) with the right part of the upper shell (2).
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| CN202410558975.XA CN118398955B (en) | 2024-05-08 | 2024-05-08 | New energy automobile battery aluminum shell of multistage cooling |
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| CN119361904A (en) * | 2024-12-23 | 2025-01-24 | 福建锐驰精益电子有限公司 | Electric vehicle battery box |
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| CN118398955B (en) | 2024-10-18 |
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