CN115275430B - Lithium battery box with quick heat dissipation function - Google Patents
Lithium battery box with quick heat dissipation function Download PDFInfo
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- CN115275430B CN115275430B CN202211017045.0A CN202211017045A CN115275430B CN 115275430 B CN115275430 B CN 115275430B CN 202211017045 A CN202211017045 A CN 202211017045A CN 115275430 B CN115275430 B CN 115275430B
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- battery cell
- battery
- positioning
- cell
- bracket
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 71
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 27
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000011900 installation process Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000009825 accumulation Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 238000003491 array Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—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
- H01M10/65—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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
-
- 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
- H01M50/242—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 against vibrations, collision impact or swelling
-
- 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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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)
Abstract
The invention is applicable to the technical field of lithium batteries, and provides a lithium battery box with a rapid heat dissipation function, which comprises a battery cell bracket, wherein the battery cell bracket comprises a battery cell bracket body and a battery cell bracket cover plate, and the battery cell bracket body is used for fixing a battery cell; the battery cell bracket cover plate is covered on the battery cell bracket body; the battery cell bracket body is provided with a battery cell positioning tube group which consists of a plurality of battery cell positioning tubes and is covered on the battery cells in a one-to-one correspondence manner; the battery cell support cover plate is provided with a plurality of battery cell top positioning holes, the battery cell top positioning holes are independently provided with air outlets and blow air along the column direction, so that the heat column generated on the battery cell inside the battery cell positioning tube is blown out and exhausted through the exhaust pipe on the support bottom carriage, the local independent air flows to the whole air flow, the problem that other single lithium batteries still can be influenced in the process of flowing and blowing heat in gaps of the multi-layer stacked high-capacity lithium battery pack is solved, and the problem that the high-capacity lithium battery pack can not realize rapid heat dissipation is solved.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a lithium battery box with a rapid heat dissipation function.
Background
In the field of lithium batteries, lithium batteries are generally classified into two shapes, a cylindrical shape and a square shape. For a high-capacity lithium battery pack, the voltage of a single lithium battery is 3.7V (the voltage of a lithium iron phosphate positive electrode is 3.2V), the battery capacity cannot be infinitely large, and the single lithium battery is often subjected to series-parallel connection treatment to form a plurality of battery cells so as to meet the requirements of different occasions.
Since the lithium battery is chemically reacted inside the battery during discharge, a large amount of heat energy is generated, resulting in an increase in the temperature of the battery, which is also a common phenomenon in most lithium batteries. The lithium battery pack can appear the higher condition of temperature rise when heavy current discharges, also can appear the higher condition of temperature rise when discharging in summer high temperature environment, because the temperature rise is higher, can trigger lithium battery pack BMS's discharge high temperature protection often, influences lithium battery pack's use.
At present, the common 4 heat dissipation methods of the lithium battery pack are as follows: 1. structurally isolating and adding a lithium battery cell bracket; 2. a lithium battery BMS protection plate is added with a cooling fin; 3. a large-capacity battery is selected for configuration, and a large-current protection plate is additionally arranged; 4. a heat dissipation device is spatially added; each of which has advantages and disadvantages.
The battery core support is used for simply isolating each lithium battery to form a safe distance; heat accumulation is easily caused due to poor air flowability inside the battery case when the battery case is assembled; even if a corresponding heat dissipation structure is arranged on the box body of the battery box in the prior art to improve the fluidity of gas, for example, an air cooling heat dissipation device is arranged at the bottom of the inner cavity of the battery box main body in the lithium battery box (granted patent publication No. CN 111430839B) which can rapidly dissipate heat and cool, but the heat still affects other single lithium batteries in the process of flowing and blowing out in gaps in the multi-layer stacked high-capacity lithium battery pack, so that the rapid heat dissipation of the high-capacity lithium battery pack cannot be realized.
Disclosure of Invention
The embodiment of the invention aims to provide a lithium battery box with a rapid heat dissipation function, and aims to solve the problem that heat accumulation is easy to cause due to poor air flowability in a battery box when a battery cell bracket is applied to the battery box; even if a corresponding heat dissipation structure is arranged on the box body of the battery box for improving the fluidity of gas in the prior art, the heat still affects other single lithium batteries in the process of flowing and blowing out in gaps in the multi-layer stacked high-capacity lithium battery pack, and the problem of rapid heat dissipation of the high-capacity lithium battery pack cannot be realized; the following scheme is further proposed:
the lithium battery box with the rapid heat dissipation function comprises a lithium battery box main body, wherein a plurality of groups of battery cell bracket components are arranged in the lithium battery box main body, each battery cell bracket component consists of a battery cell bracket and a plurality of side positioning pieces which are detachably clamped on the battery cell bracket, and the side positioning pieces are used for improving the stability of the battery cell bracket for clamping a battery cell; the battery cell support comprises a battery cell support body and a battery cell support cover plate, wherein the battery cell support body is used for fixing a battery cell; the two battery cell support cover plates are symmetrically covered at the upper end and the lower end of the battery cell support body and are used for improving the stability of the battery cell support body for fixing the battery cell; the battery cell bracket body consists of a battery cell positioning tube group, and a bracket top dragging plate and a bracket bottom dragging plate which are fixed on two sides of the battery cell positioning tube group; the battery cell positioning tube group consists of a plurality of battery cell positioning tubes distributed in an array mode, and is covered on the battery cells in a one-to-one correspondence mode and used for isolating the battery cell main body; the battery cell support cover plate is provided with a plurality of battery cell top positioning holes which are used for being positioned on the battery cells in a one-to-one correspondence mode, the battery cell top positioning holes are independently provided with air outlets, and the air outlets blow air along the column direction of the battery cell positioning pipe, and are used for blowing out heat columns generated on the battery cells in the battery cell positioning pipe in the column direction and are discharged through an exhaust pipe on a support bottom carriage.
The battery cells are placed in the battery cell support body, after the top parts of the battery cells are connected in series and parallel, the two battery cell support cover plates are symmetrically covered on the battery cell support body from the two ends of the battery cell support body, so that the battery cell support can stably install the battery cells; the plurality of side locating pieces are used for detachably clamping the battery cell support, so that the stability of the battery cell support for clamping the battery cell is improved; the problem that the battery core is loosened due to the operation vibration of the equipment when the whole battery is additionally arranged in the related equipment is avoided; the plurality of electric cores are independently placed in the electric core positioning pipes distributed in a plurality of arrays in a one-to-one correspondence manner, so that the electric core positioning pipes are isolated from the electric core main body in a one-to-one correspondence manner, the electric cores are independently protected, and the situation that the electric cores are mutually influenced due to accumulation of heat generated between the electric cores and the situation that the electric cores are mutually influenced due to damage and the like of the single electric core is avoided; meanwhile, the battery cell support cover plate is positioned on the battery cells in a one-to-one correspondence manner by utilizing the plurality of battery cell top positioning holes, and the air outlets are independently formed in the battery cell top positioning holes, so that the air is blown along the column direction of the battery cell positioning tube, the heat column generated on the battery cell inside the battery cell positioning tube is blown out, and is discharged through the exhaust tube on the support bottom carriage, the local independent air flows to the whole air flow, the problem that the quick heat dissipation of the high-capacity lithium battery pack cannot be realized due to the fact that the heat flows and blows out in gaps of the multi-layer stacked high-capacity lithium battery pack is avoided.
In the invention, the side locating pieces comprise a side locating piece I and a side locating piece II; the side locating piece I is provided with a side locating cover I, the side locating cover I is covered on the battery cell support, and a locating plate I arranged on the outer side of the side locating cover I is matched with a plurality of screws I to finish detachably clamping the side locating piece I on the battery cell support, so that the stability of clamping the battery cell by the battery cell support is improved; be equipped with side locating cover II on the side setting element II, side locating cover II covers and establishes on the electric core support, and side locating cover II top is provided with locating plate II, is provided with a plurality of screws II on the locating plate II to utilize a plurality of screws II to act on locating plate II and side locating cover II, accomplish to press from both sides side setting element II detachable and establish on the electric core support, be used for improving the stability of electric core support centre gripping electric core.
In a further scheme of the invention, a plurality of bolt mounting structures are additionally arranged on the side positioning cover I and are used for flexibly mounting the battery cell bracket component; the bolt mounting structure is provided with a fixing plate which is in sliding connection with the inside of an adjusting groove formed in the side positioning cover I; a row of equidistant spacing holes are respectively formed in the side locating covers I on two sides of the adjusting groove, and the fixing plate is limited in the spacing holes by using screws III inserted in the fixing plate and used for fixing the fixing plate; the fixed plate is protruding style of calligraphy to be fixed with the mounting panel in one side that keeps away from the adjustment tank, offered the fixed orifices on the mounting panel.
In the invention, a battery cell support cover plate body is arranged on the battery cell support cover plate, two convex edges are respectively fixed on two sides of the battery cell support cover plate body, and the convex edges are clamped at the edge of the battery cell support body; an air inlet cavity is formed in the convex edge and is communicated with an air inlet hole formed in the surface of the outer convex edge; the battery cell support cover plate body is provided with a groove at one side close to the battery cell support body, and a plurality of battery cell top positioning holes are distributed in the groove in an array manner; a plurality of air guide cavities communicated with the air inlet cavities are formed in the cover plate body of the cell support in the groove, and the air guide cavities are distributed in a cross array with the cell top positioning holes and are communicated with air outlets in the cell top positioning holes.
The air outlet is utilized to blow air from the end part of the electric core, so that dust on the surface of the electric core is blown away, rust caused by combination of dust and water stains is avoided, the resistance of the electric core is affected, and the problem of easy heating occurs.
In the invention, a top carriage body is arranged on the top carriage of the bracket, and four corners of the top carriage body are respectively provided with a fixed block, and screw holes IV are formed in the fixed blocks; the top carriage body is provided with a plurality of battery core top limiting holes for limiting the end parts of the battery cores.
In the invention, the plurality of cell positioning pipes comprise a plurality of cell side positioning pipes, a plurality of cell edge positioning pipes and a plurality of cell positioning pipes; the plurality of cell side positioning pipes, the plurality of cell edge positioning pipes and the plurality of cell positioning pipes are detachably arranged through buckling pieces and used for adjusting the quantity and adapting to the quantity of the series-parallel connection of the cells.
In a further aspect of the present invention, each of the fastening elements comprises a fastening groove and a fastening flange that are disposed in parallel.
In the invention, the lithium battery box main body consists of a plurality of unit sealing elements which are detachably arranged; two ends of the lithium battery box main body are respectively provided with a sealing plate, and the sealing plates are used for fixing.
In a further scheme of the invention, a unit sealing frame is arranged on the unit sealing piece, a containing groove is formed at one end of the unit sealing frame, a penetrating frame is arranged on the unit sealing frame at one end far away from the containing groove, and the penetrating frame is used for penetrating the containing groove in the detachable installation process of a plurality of unit sealing pieces; the penetrating frame is provided with a plurality of threaded holes II and the unit sealing frame outside the storage groove is provided with a plurality of threaded holes I; and in the detachable installation process of the unit sealing pieces, bolts are inserted into the threaded holes I and II to be detachably fixed.
Compared with the prior art, the lithium battery box with the rapid heat dissipation function has the following advantages:
1. the battery cells are placed in the battery cell support body, after the top parts of the battery cells are connected in series and parallel, the two battery cell support cover plates are symmetrically covered on the battery cell support body from the two ends of the battery cell support body, so that the battery cell support can stably install the battery cells; the plurality of side locating pieces are used for detachably clamping the battery cell support, so that the stability of the battery cell support for clamping the battery cell is improved; the problem that the battery core is loosened due to the operation vibration of the equipment when the whole battery is additionally arranged in the related equipment is avoided;
2. the plurality of electric cores are independently placed in the electric core positioning pipes distributed in a plurality of arrays in a one-to-one correspondence manner, so that the electric core positioning pipes are isolated from the electric core main body in a one-to-one correspondence manner, the electric cores are independently protected, and the situation that the electric cores are mutually influenced due to accumulation of heat generated between the electric cores and the situation that the electric cores are mutually influenced due to damage and the like of the single electric core is avoided;
3. the battery cell support cover plate is positioned on the battery cell by utilizing a plurality of battery cell top positioning holes in one-to-one correspondence, and the air outlet is independently formed in the battery cell top positioning holes, so that the air is blown along the column direction of the battery cell positioning pipe, the heat column generated on the battery cell inside the battery cell positioning pipe is blown out, and the heat is discharged through the exhaust pipe on the support bottom carriage, so that local independent air flows to the whole air flow, the problem that the quick heat dissipation of the high-capacity lithium battery pack cannot be realized due to the fact that the heat flows and blows out in the gaps of the multi-layer stacked high-capacity lithium battery pack is avoided.
Drawings
Fig. 1 is a schematic structural view of a lithium battery case with a rapid heat dissipation function according to the present invention;
fig. 2 is an exploded view of the lithium battery case with the rapid heat dissipation function of the present invention;
FIG. 3 is a schematic view of the unit seal of FIG. 2;
fig. 4 is a schematic structural diagram of a cell holder assembly in a lithium battery case with a rapid heat dissipation function according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A;
fig. 6 is an exploded view of the cell holder assembly of fig. 4;
fig. 7 is a schematic structural diagram of a cover plate of the battery cell support in fig. 6;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7B;
fig. 9 is a schematic structural view of the cell holder of fig. 6;
fig. 10 is a schematic structural view of the cell holder of fig. 9 with the holder top carriage removed;
FIG. 11 is a schematic view of the cell edge positioning tube of FIG. 10;
FIG. 12 is a schematic view of the positioning tube in the cell of FIG. 10;
fig. 13 is a schematic structural view of the cell side positioning tube in fig. 10.
In the figure:
1-a sealing plate, 2-a unit sealing piece and 3-a cell bracket assembly;
the device comprises a 21-bolt, a 22-penetrating frame, a 23-containing groove, a 24-unit sealing frame, a 25-threaded hole I and a 26-threaded hole II;
31-side locating piece I, 32-cell bracket, 33-side locating piece II;
311-side positioning cover I, 312-screw I, 313-positioning plate I, 314-bolt mounting structure;
321-battery cell support cover plates, 322-threaded holes III and 323-battery cell support bodies;
331-locating plate II, 332-side locating cover II, 333-screw II;
3141-fixing holes, 3142-mounting plates, 3143-adjusting grooves, 3144-limiting holes, 3145-screws III and 3146-fixing plates;
3211-grooves, 3212-cell top positioning holes, 3213-cell support cover plate bodies and 3214-air inlet holes;
3231-a bracket bottom carriage, 3232-a battery cell positioning tube group, 3233-a bracket top carriage;
32321-cell side positioning tube, 32322-cell edge positioning tube, 32323-cell positioning tube;
32331-fixing blocks, 32332-screw holes IV, 32333-top carriage body, 32334-battery core top limit holes;
323221-snap grooves, 323222-snap ledges.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
In the embodiment of the invention, referring specifically to fig. 1, 4 and 6-10, a lithium battery box with a rapid heat dissipation function comprises a lithium battery box main body, wherein a plurality of groups of battery cell bracket components 3 are arranged in the lithium battery box main body, each battery cell bracket component 3 consists of a battery cell bracket 32 and a plurality of side positioning pieces detachably clamped on the battery cell bracket 32, and each side positioning piece is used for improving the stability of the battery cell bracket 32 for clamping a battery cell;
after a plurality of battery cells are placed in the battery cell bracket 32, the battery cell bracket 32 is detachably clamped by utilizing a plurality of side edge positioning pieces, so that the stability of clamping the battery cells by the battery cell bracket 32 is improved; the problem that the battery core is loosened due to the operation vibration of the equipment when the whole battery is additionally arranged in the related equipment is avoided;
the cell holder 32 includes:
a battery cell support body 323, wherein the battery cell support body 323 is used for fixing a battery cell;
the battery cell support cover plates 321 are arranged, and the two battery cell support cover plates 321 are symmetrically covered at the upper end and the lower end of the battery cell support body 323 and are used for improving the stability of the battery cell support body 323 for fixing the battery cell;
after a plurality of electric cores are placed in the electric core support body 323 and the top parts of the electric cores are connected in series and parallel, two electric core support cover plates 321 are symmetrically covered on the electric core support body 323 from two ends of the electric core support body 323, so that the electric core is installed on the electric core support 32, and the electric core support cover plates 321 are realized to improve the stability of the electric core fixed by the electric core support body 323;
the cell support 323 consists of a cell positioning tube group 3232, and a support top dragging plate 3233 and a support bottom dragging plate 3231 fixed on two sides of the cell positioning tube group 3232; the cell positioning tube group 3232 is composed of a plurality of cell positioning tubes distributed in an array, and is covered on the cells in a one-to-one correspondence manner and used for isolating the cell main body;
the multiple electric cores are independently placed in the electric core positioning pipes distributed in multiple arrays on the electric core positioning pipe group 3232 in a one-to-one correspondence manner, and are connected in series and parallel at the top of the electric cores, so that the electric core positioning pipes are isolated from the electric core main body in a one-to-one correspondence manner, the electric cores are independently protected and treated, and the situation that the electric cores are mutually influenced due to accumulation of heat generated by the electric cores and the situation that the single electric core is mutually influenced due to damage and the like is avoided;
the battery cell support cover plate 321 is provided with a plurality of battery cell top positioning holes 3212 which are used for positioning the battery cells in a one-to-one correspondence manner, the battery cell top positioning holes 3212 are independently provided with air outlets, and the air outlets blow air along the column direction of the battery cell positioning tube, so that heat columns generated on the battery cells in the battery cell positioning tube are blown out in the column direction, and are discharged through the exhaust tube on the support bottom dragging plate 3231.
After a plurality of electric cores are placed in the electric core support body 323 and the top parts of the electric cores are connected in series and parallel, two electric core support cover plates 321 are symmetrically covered on the electric core support body 323 from two ends of the electric core support body 323, so that the electric core support 32 can stably install the electric cores; the plurality of side locating pieces are used for detachably clamping the battery cell support 32, so that the stability of clamping the battery cell by the battery cell support 32 is improved; the problem that the battery core is loosened due to the operation vibration of the equipment when the whole battery is additionally arranged in the related equipment is avoided; the plurality of electric cores are independently placed in the electric core positioning pipes distributed in a plurality of arrays in a one-to-one correspondence manner, so that the electric core positioning pipes are isolated from the electric core main body in a one-to-one correspondence manner, the electric cores are independently protected, and the situation that the electric cores are mutually influenced due to accumulation of heat generated between the electric cores and the situation that the electric cores are mutually influenced due to damage and the like of the single electric core is avoided; meanwhile, the battery cell support cover plate 321 is positioned on the battery cell in a one-to-one correspondence manner by utilizing the plurality of battery cell top positioning holes 3212, and then an air outlet is independently formed in the battery cell top positioning holes 3212, so that air is blown along the column direction of the battery cell positioning tube, the heat column generated on the battery cell inside the battery cell positioning tube is blown out, and is discharged through the exhaust tube on the support bottom dragging plate 3231, so that local independent air flows to the whole air flow, the problem that other single lithium batteries still can be influenced in the process of flowing and blowing out heat in gaps in the multi-layer stacked high-capacity lithium battery pack is solved, and the problem that the high-capacity lithium battery pack cannot quickly dissipate heat is solved.
In the embodiment of the present invention, referring specifically to fig. 4 and 6, a plurality of the side locating elements include a side locating element i 31 and a side locating element ii 33;
the side positioning piece I31 is provided with a side positioning cover I311, the side positioning cover I311 is covered on the battery cell bracket 32, and a positioning plate I313 arranged on the outer side of the side positioning cover I311 is matched with a plurality of screws I312 to finish detachably clamping the side positioning piece I31 on the battery cell bracket 32, so that the stability of clamping the battery cell by the battery cell bracket 32 is improved;
be equipped with side locating cover II 332 on the side setting element II 33, side locating cover II 332 covers and establishes on electric core support 32, and side locating cover II 332 top is provided with locating plate II 331, is provided with a plurality of screws II 333 on the locating plate II 331 to utilize a plurality of screws II 333 to act on locating plate II 331 and side locating cover II 332, accomplish to press from both sides side setting element II 33 detachable the clamp and establish on electric core support 32, be used for improving the stability of electric core support 32 centre gripping electric core.
In the embodiment of the present invention, referring specifically to fig. 4 to 6, a plurality of bolt mounting structures 314 are additionally installed on the side positioning cover i 311, so as to flexibly mount the cell support assembly 3;
the bolt mounting structure 314 is provided with a fixing plate 3146, and the fixing plate 3146 is slidably connected inside an adjusting groove 3143 formed in the side positioning cover I311;
a row of spacing holes 3144 which are distributed at equal intervals are respectively formed in the side locating covers I311 on two sides of the adjusting groove 3143, and the fixing plate 3146 is limited in the spacing holes 3144 by using screws III 3145 which are penetrated and used for fixing the fixing plate 3146;
the fixing plate 3146 has a convex shape, and a mounting plate 3142 is fixed to a side away from the adjustment groove 3143, and a fixing hole 3141 is formed in the mounting plate 3142.
When the battery cell holder is used in related equipment, the positions of the mounting plate 3142 and the fixing hole 3141 can be adjusted by inserting the adjusting screws III 3145 into the positions of different limiting holes 3144, so that the battery cell holder assembly 3 can be flexibly mounted at a plurality of positions, and the adjustment of reasonable layout of the battery cell holder assemblies 3 in the lithium battery cell holder is adapted.
In the embodiment of the present invention, referring to fig. 6-8 specifically, a battery core support cover plate 321 is provided with a battery core support cover plate body 3213, two sides of the battery core support cover plate body 3213 are respectively fixed with a protruding edge, and the protruding edges are clamped at the edge of the battery core support body 323 (meanwhile, the battery core support cover plate body 3213 is provided with a plurality of threaded holes iii 322, and the threaded holes iii 322 are used in cooperation with a screw i 312 and a screw ii 333); an air inlet cavity is formed in the protruding edge and is communicated with an air inlet hole 3214 formed in the surface of the outer protruding edge;
the battery cell bracket cover plate body 3213 is provided with a groove 3211 at one side close to the battery cell bracket body 323, and a plurality of battery cell top positioning holes 3212 are distributed in the groove 3211 in an array manner; the cover plate body 3213 of the battery core support in the groove 3211 is provided with a plurality of air guide cavities communicated with the air inlet cavities, and the air guide cavities and the battery core top positioning holes 3212 are distributed in a cross array and are communicated with air outlets on the battery core top positioning holes 3212.
The air inlet holes 3214 are externally connected to an external exhaust fan through a connecting hose, clean air pumped by the exhaust fan is led into the connecting hose and is led into an air outlet on the battery core top positioning hole 3212 through an air inlet cavity and an air guide cavity, air is blown from the end part of the battery core through the air outlet, on the basis of blowing away dust on the surface of the battery core, a heat column generated on the battery core inside the battery core positioning tube is blown out, and is discharged through an exhaust pipe on a bracket bottom dragging plate 3231, so that local independent air flows to integral air flow, the problem that other single lithium batteries are still influenced in the process of flowing and blowing heat in gaps in a multi-layer stacked high-capacity lithium battery pack, and the problem that the high-capacity lithium battery pack cannot quickly dissipate heat is solved;
meanwhile, the air outlet is utilized to blow air from the end part of the electric core, dust on the surface of the electric core is blown away, rust caused by combination of dust and water stains is avoided, the electric core resistance is affected, and the problem of easy heating occurs.
In the embodiment of the invention, referring specifically to fig. 9, a top carriage body 32333 is provided on the top carriage 3233 of the bracket, fixing blocks 32331 are respectively provided at four corners of the top carriage body 32333, and screw holes iv 32332 are provided on the fixing blocks 32331; the top carriage 32333 is provided with a plurality of cell top limiting holes 32334 for limiting the ends of the cells.
In the embodiment of the present invention, referring specifically to fig. 10-13, the plurality of cell positioning tubes include a plurality of cell side positioning tubes 32321, a plurality of cell edge positioning tubes 32322, and a plurality of cell side positioning tubes 32323 (specifically, a plurality of cell edge positioning tubes 32322 are distributed at four hanging corners, a plurality of cell side positioning tubes 32321 are distributed at side edges, and a plurality of cell side positioning tubes 32323 are distributed inside a frame surrounded by a plurality of cell edge positioning tubes 32322 and a plurality of cell side positioning tubes 32321);
the plurality of cell side positioning tubes 32321, the plurality of cell edge positioning tubes 32322 and the plurality of cell inner positioning tubes 32323 are detachably mounted through fasteners for adjusting the number, and are adapted to the number of the cells connected in series and parallel (two fasteners are arranged on the specific cell edge positioning tube 32322 and distributed on two adjacent side surfaces of the cell edge positioning tube 32322, three fasteners are arranged on the cell side positioning tube 32321 and continuously distributed on three adjacent side surfaces of the cell side positioning tube 32321, and four fasteners are arranged on the cell inner positioning tube 32323 and distributed on four side walls of the cell inner positioning tube 32323).
And then a plurality of electric core side positioning tube 32321, a plurality of electric core arris positioning tube 32322 and a plurality of electric core positioning tube 32323 demountable installation have realized the quantity of adjustment quantity adaptation electric core serial-parallel to, and the overall arrangement of electric core serial-parallel to, and the maintenance alone avoids whole high problem of change cost of maintenance.
In an embodiment of the invention, referring specifically to FIG. 11, the individual fasteners are comprised of parallel fastening grooves 323221 and fastening flanges 323222.
When the detachable installation of two specific adjacent cell positioning pipes is performed, the detachable installation is completed by utilizing the buckling convex edges 323222 on one adjacent cell positioning pipe to movably penetrate the buckling grooves 323221 on the other adjacent cell positioning pipe.
In the embodiment of the invention, referring specifically to fig. 1 and 2, the lithium battery case main body is composed of a plurality of unit sealing elements 2 which are detachably installed; two ends of the lithium battery box main body are respectively provided with a sealing plate 1, and the sealing plates 1 are used for fixing.
In the embodiment of the present invention, referring specifically to fig. 1-3, the unit seal 2 is provided with a unit seal frame 24, one end of the unit seal frame 24 is provided with a storage groove 23, one end of the unit seal frame 24 far away from the storage groove 23 is provided with an insertion frame 22, and the insertion frame 22 is used for inserting into the storage groove 23 in the detachable installation process of the plurality of unit seals 2;
the penetrating frame 22 is provided with a plurality of threaded holes II 26 and the unit sealing frame 24 outside the containing groove 23 is provided with a plurality of threaded holes I25; the bolts 21 are inserted into the threaded holes I25 and II 26 to be detachably fixed in the process of detachably mounting the plurality of unit seals 2.
By adjusting the number of unit seals 2 to be detachably mounted, the number of mounting of the cell holder assemblies 3, and the spatial layout are adapted.
The working principle of the invention is as follows:
1. after a plurality of electric cores are placed in the electric core support body 323 and the top parts of the electric cores are connected in series and parallel, two electric core support cover plates 321 are symmetrically covered on the electric core support body 323 from two ends of the electric core support body 323, so that the electric core support 32 can stably install the electric cores; the plurality of side locating pieces are used for detachably clamping the battery cell support 32, so that the stability of clamping the battery cell by the battery cell support 32 is improved; the problem that the battery core is loosened due to the operation vibration of the equipment when the whole battery is additionally arranged in the related equipment is avoided;
2. the plurality of electric cores are independently placed in the electric core positioning pipes distributed in a plurality of arrays in a one-to-one correspondence manner, so that the electric core positioning pipes are isolated from the electric core main body in a one-to-one correspondence manner, the electric cores are independently protected, and the situation that the electric cores are mutually influenced due to accumulation of heat generated between the electric cores and the situation that the electric cores are mutually influenced due to damage and the like of the single electric core is avoided;
3. the battery cell bracket cover plate 321 is positioned on the battery cell by utilizing a plurality of battery cell top positioning holes 3212 in a one-to-one correspondence manner, and then an air outlet is independently formed in the battery cell top positioning holes 3212, so that air is blown along the column direction of the battery cell positioning pipe, the heat column generated on the battery cell in the battery cell positioning pipe is blown out, and is discharged through the exhaust pipe on the bracket bottom dragging plate 3231, so that local independent air flows to the whole air flow, and the problem that other single lithium batteries can still be influenced in the process of flowing and blowing out heat in gaps in the multi-layer stacked high-capacity lithium battery pack, and the rapid heat dissipation of the high-capacity lithium battery pack can not be realized is solved;
4. when the battery pack is used in related equipment, the positions of the mounting plate 3142 and the fixing hole 3141 can be adjusted by inserting the adjusting screws III 3145 into the positions of different limiting holes 3144, so that the battery pack bracket assembly 3 can be flexibly mounted at a plurality of positions, and the adjustment of reasonable layout of the battery pack bracket assemblies 3 in the lithium battery pack main body can be adapted;
5. blowing is started from the end part of the electric core by utilizing the air outlet, dust on the surface of the electric core is blown away, rust caused by combination of dust and water stains is avoided, the resistance of the electric core is affected, and the problem of easy heating occurs;
6. the plurality of cell side positioning pipes 32321, the plurality of cell edge positioning pipes 32322 and the plurality of cell positioning pipes 32323 are detachably installed, so that the number of the adjusted cells is adapted to the number of the cells connected in series and parallel, the arrangement of the cells connected in series and parallel is realized, and the problem of high overall replacement and maintenance cost is avoided by independent maintenance;
7. by adjusting the number of unit seals 2 to be detachably mounted, the number of mounting of the cell holder assemblies 3, and the spatial layout are adapted.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. The lithium battery box with the rapid heat dissipation function is characterized by comprising a lithium battery box main body, wherein a plurality of groups of battery cell bracket components (3) are arranged in the lithium battery box main body, each battery cell bracket component (3) is composed of a battery cell bracket (32) and a plurality of side edge positioning pieces which are detachably clamped on the battery cell bracket (32), and the side edge positioning pieces are used for improving the stability of the battery cell bracket (32) for clamping a battery cell;
the cell holder (32) comprises:
the battery cell support body (323), the said battery cell support body (323) is used for fixing the battery cell;
the battery cell support cover plates (321), wherein the two battery cell support cover plates (321) are symmetrically covered at the upper end and the lower end of the battery cell support body (323) and are used for improving the stability of the battery cell support body (323) for fixing a battery cell;
the battery cell bracket body (323) consists of a battery cell positioning tube group (3232), and a bracket top dragging plate (3233) and a bracket bottom dragging plate (3231) which are fixed on two sides of the battery cell positioning tube group (3232); the battery cell positioning tube group (3232) consists of a plurality of battery cell positioning tubes distributed in an array mode, is covered on the battery cells in a one-to-one correspondence mode and is used for isolating a battery cell main body;
a plurality of cell top positioning holes (3212) for positioning on the cells in one-to-one correspondence are formed in the cell support cover plate (321), air outlets are independently formed in the cell top positioning holes (3212), and air is blown along the column direction of the cell positioning tube, so that heat columns generated on the cells in the cell positioning tube are blown out in the column direction, and are discharged through an exhaust tube on the support bottom dragging plate (3231);
the side locating pieces comprise a side locating piece I (31) and a side locating piece II (33); the side locating piece I (31) is provided with a side locating cover I (311), the side locating cover I (311) is covered on the battery cell bracket (32), and a locating plate I (313) arranged on the outer side of the side locating cover I (311) is matched with a plurality of screws I (312), so that the side locating piece I (31) is detachably clamped on the battery cell bracket (32) and the stability of the battery cell bracket (32) for clamping a battery cell is improved; a side locating cover II (332) is arranged on the side locating piece II (33), the side locating cover II (332) is covered on the battery cell bracket (32), a locating plate II (331) is arranged at the top of the side locating cover II (332), a plurality of screws II (333) are arranged on the locating plate II (331), the locating plate II (331) and the side locating cover II (332) are acted on by the plurality of screws II (333), and the side locating piece II (33) is detachably clamped on the battery cell bracket (32) to improve the stability of the battery cell bracket (32) for clamping the battery cell; a plurality of bolt mounting structures (314) are additionally arranged on the side positioning cover I (311) and are used for flexibly mounting the battery cell bracket component (3); the bolt mounting structure (314) is provided with a fixing plate (3146), and the fixing plate (3146) is connected inside an adjusting groove (3143) formed in the side positioning cover I (311) in a sliding mode; a row of equidistant spacing holes (3144) are respectively formed in the side locating covers I (311) on two sides of the adjusting groove (3143), and the fixing plate (3146) is limited in the spacing holes (3144) by using screws III (3145) which are penetrated and used for fixing the fixing plate (3146); the fixing plate (3146) is in a convex shape, a mounting plate (3142) is fixed on one side far away from the adjusting groove (3143), and a fixing hole (3141) is formed in the mounting plate (3142).
2. The lithium battery case with a rapid heat dissipation function according to claim 1, wherein,
the battery cell support cover plate (321) is provided with a battery cell support cover plate body (3213), two convex edges are respectively fixed on two sides of the battery cell support cover plate body (3213), and the convex edges are clamped at the edge of the battery cell support body (323); an air inlet cavity is formed in the protruding edge, and the air inlet cavity is communicated with an air inlet hole (3214) formed in the surface of the outer protruding edge;
a groove (3211) is formed in one side, close to the battery core support body (323), of the battery core support cover plate body (3213), and a plurality of battery core top positioning holes (3212) are distributed in the groove (3211) in an array mode; a plurality of air guide cavities communicated with the air inlet cavities are formed in a battery core support cover plate body (3213) inside the groove (3211), and the air guide cavities and the battery core top positioning holes (3212) are distributed in a cross array and are communicated with air outlets on the battery core top positioning holes (3212).
3. The lithium battery box with the rapid heat dissipation function according to claim 1, wherein a top carriage body (32333) is arranged on the top carriage (3233) of the bracket, fixing blocks (32331) are respectively arranged at four corners of the top carriage body (32333), and screw holes IV (32332) are formed in the fixing blocks (32331); a plurality of cell top limiting holes (32334) for limiting the end parts of the cells are formed in the top carriage body (32333).
4. The lithium battery case with a rapid heat dissipation function according to claim 1, wherein,
the plurality of cell positioning pipes comprise a plurality of cell side positioning pipes (32321), a plurality of cell edge positioning pipes (32322) and a plurality of cell positioning pipes (32323);
the battery cell side positioning pipes (32321), the battery cell edge positioning pipes (32322) and the battery cell positioning pipes (32323) are detachably arranged through fasteners and used for adjusting the number to adapt to the number of battery cells connected in series and parallel.
5. The lithium battery box with the rapid heat dissipation function according to claim 4, wherein each buckling piece is composed of buckling grooves (323221) and buckling convex edges (323222) which are distributed in parallel.
6. The lithium battery case with a rapid heat dissipation function according to any one of claims 1 to 5, wherein,
the lithium battery box main body consists of a plurality of unit sealing pieces (2) which are detachably arranged;
two ends of the lithium battery box main body are respectively provided with a sealing plate (1), and the sealing plates (1) are used for fixing.
7. The lithium battery case with a rapid heat dissipation function according to claim 6, wherein,
the unit sealing piece (2) is provided with a unit sealing frame (24), one end of the unit sealing frame (24) is provided with a containing groove (23), one end of the unit sealing frame (24) far away from the containing groove (23) is provided with an inserting frame (22), and the inserting frame (22) is used for inserting the containing groove (23) in the detachable installation process of a plurality of unit sealing pieces (2);
the penetrating frame (22) is provided with a plurality of threaded holes II (26) and the unit sealing frame (24) at the outer side of the containing groove (23) is provided with a plurality of threaded holes I (25); in the detachable installation process of the unit sealing pieces (2), bolts (21) are used for penetrating through the threaded holes I (25) and the threaded holes II (26) to be detachably fixed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211017045.0A CN115275430B (en) | 2022-08-23 | 2022-08-23 | Lithium battery box with quick heat dissipation function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211017045.0A CN115275430B (en) | 2022-08-23 | 2022-08-23 | Lithium battery box with quick heat dissipation function |
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| CN115275430B true CN115275430B (en) | 2023-12-19 |
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| US20130122339A1 (en) * | 2009-11-27 | 2013-05-16 | V-Ens Co., Ltd. | Battery |
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| CN104733673A (en) * | 2015-04-02 | 2015-06-24 | 青海零点新能源科技有限公司 | Core detachable assembled bracket for lithium battery pack |
| CN207098017U (en) * | 2017-08-21 | 2018-03-13 | 合肥亮天新能源科技有限公司 | One kind radiating lithium battery module cover plate |
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| CN115275430A (en) | 2022-11-01 |
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