CN115275430A - Lithium battery box with quick heat dissipation function - Google Patents
Lithium battery box with quick heat dissipation function Download PDFInfo
- Publication number
- CN115275430A CN115275430A CN202211017045.0A CN202211017045A CN115275430A CN 115275430 A CN115275430 A CN 115275430A CN 202211017045 A CN202211017045 A CN 202211017045A CN 115275430 A CN115275430 A CN 115275430A
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- Prior art keywords
- battery cell
- battery
- positioning
- support
- cell
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 76
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 34
- 238000009434 installation Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 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
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction 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
- 238000012856 packing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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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 suitable for the technical field of lithium batteries, and provides a lithium battery box with a quick 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 support body is provided with a battery cell positioning pipe group, and the battery cell positioning pipe group consists of a plurality of battery cell positioning pipes and is covered on the battery cells in a one-to-one correspondence manner; the utility model discloses a solar battery pack, including electric core support apron, the air outlet has been seted up on the electric core support apron, and the air outlet has independently been seted up on the electric core top locating hole, and blow to the direction along the post, the realization is blown off the heat post that produces on the inside electric core of electric core locating hole to blowing off, and exhaust pipe on the bracket bottom slipper discharges, accomplish local independent gas flow to whole gas flow, the in-process that blows off has been avoided the heat to flow in the gap among the multilayer pile up large capacity lithium cell group, still can influence other single section lithium cell, can not realize the quick radiating problem of large capacity lithium cell group.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a lithium battery box with a quick heat dissipation function.
Background
In the field of lithium batteries, lithium batteries are generally classified into two types, i.e., cylindrical and square. For a high-capacity lithium battery pack, the voltage of a single lithium battery is 3.7V (3.2V for a lithium iron phosphate anode), the battery capacity cannot be infinite, and the single lithium battery is often subjected to series and parallel connection to form a plurality of battery cells so as to meet the requirements of different occasions.
Since the lithium battery is subjected to a chemical reaction inside the battery during discharge, a large amount of heat energy is generated, which causes the temperature of the battery to rise, and this is also a common phenomenon in most lithium batteries. The lithium cell group can appear the higher condition of temperature rise when the 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, often can trigger the high temperature protection of discharging of lithium cell group BMS, influences the use of lithium cell group.
At present, 4 common heat dissipation methods for a lithium battery pack are as follows: 1. structurally, isolating, and adding a lithium battery cell bracket; 2. adding a heat radiating fin to the lithium battery BMS protection board; 3. a large-capacity battery is selected and used in the configuration, and a large-current protection plate is additionally arranged; 4. a heat dissipation device is added in the space; each of which has advantages and disadvantages.
The battery cell support only simply isolates each lithium battery to form a safe distance; when the battery box is assembled, heat accumulation is easily caused due to poor air fluidity inside the battery box; even if there is corresponding heat radiation structure that is equipped with on the box body of battery case among the prior art and is used for improving gaseous mobility, chinese patent for example can fast heat dissipation cooling's lithium cell box (granted patent publication No. CN 111430839B) sets up forced air cooling heat abstractor in the inner chamber bottom of battery case main part, but the heat flows in the gap among the multilayer pile up large capacity lithium cell group and blows off the in-process, still can influence other single lithium cell, can not realize large capacity lithium cell group fast heat dissipation.
Disclosure of Invention
The embodiment of the invention aims to provide a lithium battery box with a quick heat dissipation function, and aims to solve the problem that when a battery cell support is applied to a battery box, heat accumulation is easily caused due to poor air fluidity inside the battery cell support; even if a corresponding heat dissipation structure is arranged on a box body of a battery box in the prior art and used for improving the flowability of gas, in the process that heat flows in gaps among a plurality of layers of stacked high-capacity lithium battery packs and is blown out, other single lithium batteries still can be influenced, and the rapid heat dissipation of the high-capacity lithium battery packs cannot be realized; further, the following scheme is proposed:
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 assemblies are arranged in the lithium battery box main body, each battery cell bracket assembly is composed of a battery cell bracket, the side positioning pieces are used for improving the stability of the battery cell support for clamping the 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 used for improving the stability of fixing a battery cell by the battery cell support body; the battery cell support body consists of a battery cell positioning pipe group, a support top dragging plate and a support bottom dragging plate which are fixed on two sides of the battery cell positioning pipe group; the battery cell positioning pipe group consists of a plurality of battery cell positioning pipes which are distributed in an array, and the battery cell positioning pipes are correspondingly covered on the battery cells one by one and used for isolating the main bodies of the battery cells; the battery core support cover plate is provided with a plurality of battery core top positioning holes which are used for being positioned on the battery core in a one-to-one correspondence manner, air outlets are independently formed in the battery core top positioning holes, air is blown towards the direction along the columns of the battery core positioning pipes, heat columns generated on the battery core inside the battery core positioning pipes are blown out towards the direction, and the heat columns are discharged through the exhaust pipe on the support bottom dragging plate.
A plurality of electric cores are placed inside the electric core support body, and after the electric cores are connected in series and in parallel at the top, two electric core support cover plates are symmetrically covered on the electric core support body from two ends of the electric core support body, so that the electric cores are stably installed on the electric core support; the plurality of side positioning pieces are used for detachably clamping the inside of the battery cell support, so that the stability of clamping the battery cell by the battery cell support is improved; the problem that the battery cell is loosened due to operation vibration of equipment when the battery cell is integrally installed in related equipment is avoided; the plurality of battery cores are independently arranged in the battery core positioning pipes distributed in the array one by one, so that the battery core positioning pipes are correspondingly isolated from the battery core main body one by one, the battery cores are independently protected, and the mutual influence caused by the accumulation of heat generated among the plurality of battery cores and the mutual influence caused by the damage of a single battery core and other problems are avoided; simultaneously, electric core support apron utilizes a plurality of electric cores top locating hole one-to-one location on electric core, the air outlet has independently been seted up on the locating hole of rethread electric core top, the post along electric core positioning tube is bloied to the direction, the realization blows off the heat post that produces on the inside electric core of electric core positioning tube to, and the exhaust pipe on the tow board discharges at the bottom of the support, accomplish local independent gas flow to whole gas flow, the in-process that flows in the gap of having avoided the heat to pile up in the multilayer large capacity lithium cell group blows off, still can influence other single section lithium cells, can not realize the quick radiating problem of large capacity lithium cell group.
In the invention, the side positioning pieces comprise a side positioning piece I and a side positioning piece II; the battery cell positioning device comprises a side positioning piece I, a side positioning cover I, a plurality of screws I and a side positioning cover II, wherein the side positioning piece I is provided with the side positioning cover I which covers the battery cell support, and the side positioning cover I is matched with the screws I by utilizing a positioning plate I arranged outside the side positioning cover I to detachably clamp the side positioning piece I on the battery cell support and is used for improving the stability of clamping a battery cell by the battery cell support; be equipped with side location cover II on the side setting element II, II covers of side location cover are established on electric core support, and II tops of side location cover are provided with locating plate II, are provided with a plurality of screws II on the locating plate II to utilize II effects of a plurality of screws on locating plate II and side location cover II, accomplish with II detachable clamps of side setting element establish on electric core support, be used for improving the stability of electric core support centre gripping electricity core.
In a further scheme of the invention, a plurality of bolt mounting structures are additionally arranged on the side positioning cover I and used for flexibly mounting the battery cell bracket assembly; a fixing plate is arranged on the bolt mounting structure and is connected to the inside of an adjusting groove formed in the side positioning cover I in a sliding mode; a row of limit holes distributed at equal intervals are respectively formed in the side edge positioning covers I on the two sides of the adjusting groove, and the fixing plate is limited in the limit holes by screws III which are inserted for fixing the fixing plate; the fixed plate is in a convex shape, a mounting plate is fixed on one side far away from the adjusting groove, and a fixing hole is formed in the mounting plate.
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 communicated with air inlet holes formed in the surface of the outer convex edge; a groove is formed in one side, close to the battery cell support body, of the battery cell support cover plate body, and a plurality of battery cell top positioning holes are distributed in the groove in an array mode; a plurality of air guide cavities communicated with the air inlet cavity are formed in the battery cell support cover plate body inside the groove, and the air guide cavities and the battery cell top positioning holes are distributed in a crossed array mode and are communicated with air outlets in the battery cell top positioning holes.
Utilize the air outlet to begin to blow from the tip of electric core, blow away the dust on electric core surface, avoid dust and water stain combination to cause the rust stain, and influence electric core resistance, the problem that appears generating heat easily.
In the invention, a top dragging plate body is arranged on the support top dragging plate, four corners of the top dragging plate body are respectively provided with a fixed block, and the fixed block is provided with a screw hole IV; and a plurality of battery cell top limiting holes used for limiting the end part of the battery cell are formed in the top dragging plate body.
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; all through the detachable installation of fastener between a plurality of electric core side registration arm, a plurality of electric core arris registration arm and a plurality of electric core interior registration arm for adjustment quantity adapts to electric core number of connecting in series and parallel.
In a further aspect of the present invention, the single fastening member is composed of fastening grooves and fastening flanges which are distributed in parallel.
In the invention, the lithium battery box main body consists of a plurality of unit sealing elements which are detachably arranged; the 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 element, a containing groove is arranged at one end of the unit sealing frame, a penetrating frame is arranged on the unit sealing frame at the end far away from the containing groove, and the penetrating frame is used for penetrating into the containing groove in the detachable installation process of the plurality of unit sealing elements; the inserting frame is provided with a plurality of threaded holes II, and the unit sealing frame outside the accommodating groove is provided with a plurality of threaded holes I; utilize the bolt to alternate and carry out detachable fixed in screw hole I and screw hole II in the detachable installation of a plurality of unit sealing members.
Compared with the prior art, the lithium battery box with the rapid heat dissipation function has the following advantages:
1. a plurality of battery cells are placed inside the battery cell support body, and after the battery cells are connected in series and in parallel at the top, two battery cell support cover plates are symmetrically covered on the battery cell support body from two ends of the battery cell support body, so that the battery cells are stably installed on the battery cell support; the plurality of side positioning pieces are used for detachably clamping the inside of the battery cell support, so that the stability of clamping the battery cell by the battery cell support is improved; the problem that the battery cell is loosened due to operation vibration of equipment when the battery cell is integrally installed in related equipment is avoided;
2. the plurality of battery cores are independently arranged in the battery core positioning pipes distributed in the array one by one, so that the battery core positioning pipes are correspondingly isolated from the battery core main body one by one, the battery cores are independently protected, and the mutual influence caused by the accumulation of heat generated among the plurality of battery cores and the mutual influence caused by the damage of a single battery core and other problems are avoided;
3. electric core support apron utilizes a plurality of electric cores top locating hole one-to-one to fix a position on electric core, the air outlet has independently been seted up on the locating hole of rethread electric core top, the post along electric core positioning tube is bloied to the direction, the realization blows off the heat post that produces on the inside electric core of electric core positioning tube to, and discharge through the exhaust pipe on the bracket bottom tow board, accomplish local independent gas flow and arrive whole gas flow, the in-process that the heat flowed in the gap of piling up the large capacity lithium cell group of multilayer and blew off has been avoided, still can influence other individual lithium cell, can not realize the quick radiating problem of large capacity lithium cell group.
Drawings
Fig. 1 is a schematic structural diagram of a lithium battery case with a rapid heat dissipation function according to the present invention;
fig. 2 is an exploded view of a lithium battery case having a rapid heat dissipation function according to the present invention;
FIG. 3 is a schematic view of the construction of the unit seal of FIG. 2;
fig. 4 is a schematic structural diagram of a cell bracket assembly in a lithium battery case with a rapid heat dissipation function according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
fig. 6 is an exploded view of the cell holder assembly of fig. 4;
fig. 7 is a schematic structural diagram of a cell support cover plate in fig. 6;
FIG. 8 is an enlarged view of the structure at B in FIG. 7;
fig. 9 is a schematic structural diagram of the cell support body in fig. 6;
fig. 10 is a schematic structural view of the battery cell support body in fig. 9 with a support top carriage removed;
fig. 11 is a schematic structural view of the cell edge positioning tube in fig. 10;
fig. 12 is a schematic structural diagram of a positioning tube in the battery cell in fig. 10;
fig. 13 is a schematic structural diagram of the cell-side positioning tube in fig. 10.
In the figure:
1-a sealing plate, 2-a unit sealing element and 3-a cell bracket assembly;
21-bolt, 22-inserting frame, 23-accommodating groove, 24-unit sealing frame, 25-threaded hole I, 26-threaded hole II;
31-a side positioning piece I, 32-a battery cell bracket and 33-a side positioning piece II;
311-side positioning cover I, 312-screw I, 313-positioning plate I, 314-bolt mounting structure;
321-a battery cell support cover plate, 322-a threaded hole III, 323-a battery cell support body;
331-positioning plates II, 332-side positioning covers II, 333-screws II;
3141-fixing hole, 3142-mounting plate, 3143-adjusting groove, 3144-limiting hole, 3145-screw III, 3146-fixing plate;
3211-groove, 3212-cell top positioning hole, 3213-cell support cover plate body, 3214-air inlet;
3231-a support bottom carriage, 3232-a battery cell positioning tube group, 3233-a support top carriage;
32321-cell side positioning tube, 32322-cell edge positioning tube and 32323-cell inner positioning tube;
32331-a fixed block, 32332-a screw hole IV, 32333-a top dragging plate body and 32334-a battery cell top limiting hole;
323221-snap groove, 323222-snap lip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
In the embodiment of the invention, referring to fig. 1, 4, and 6-10 specifically, a lithium battery box with a rapid heat dissipation function includes a lithium battery box main body, wherein a plurality of sets of battery cell support assemblies 3 are installed inside the lithium battery box main body, each battery cell support assembly 3 is composed of a battery cell support 32 and a plurality of side positioning pieces detachably clamped on the battery cell support 32, and the side positioning pieces are used for improving the stability of the battery cell clamped by the battery cell support 32;
after a plurality of battery cells are placed in the battery cell support 32, the battery cell support 32 is detachably clamped by a plurality of side positioning pieces, so that the stability of clamping the battery cells by the battery cell support 32 is improved; the problem that the battery cell is loosened due to operation vibration of equipment when the battery cell is integrally installed in related equipment is avoided;
the battery cell support 32 includes:
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 fixing a battery cell by the battery cell support body 323;
a plurality of battery cells are placed in the battery cell support body 323, after series-parallel connection is carried out on the top of the battery cells, two battery cell support cover plates 321 are symmetrically covered on the battery cell support body 323 from two ends of the battery cell support body 323, installation of the battery cells on the battery cell support 32 is completed, and the battery cell support cover plates 321 are used for improving the stability of fixing the battery cells by the battery cell support body 323;
the battery cell support body 323 consists of a battery cell positioning tube group 3232, a support top dragging plate 3233 and a support 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 is composed of a plurality of battery cell positioning tubes distributed in an array, and is covered on the battery cells in a one-to-one correspondence manner and used for isolating the main bodies of the battery cells;
the multiple battery cells are independently placed in the multiple battery cell positioning pipes distributed in the array on the battery cell positioning pipe group 3232 in a one-to-one correspondence manner, and are connected in series and in parallel at the top of the battery cells, so that the battery cell positioning pipes are correspondingly isolated from the main body of the battery cells in a one-to-one correspondence manner, and the battery cells are independently protected and treated, thereby avoiding the mutual influence caused by the accumulation of heat generated by the multiple battery cells and the mutual influence caused by the damage of a single battery cell and other problems;
the battery core support cover plate 321 is provided with a plurality of battery core top positioning holes 3212 which are used for being positioned on the battery core in a one-to-one correspondence manner, air outlets are independently formed in the battery core top positioning holes 3212, air is blown in the direction along the column direction of the battery core positioning pipe, heat produced in the battery core inside the battery core is blown out in the direction, and the heat is discharged through an exhaust pipe on the support bottom dragging plate 3231.
A plurality of electric cores are placed inside the electric core support body 323, after the electric cores are connected in series and in parallel at the top, 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 cores are stably installed on the electric core support 32; then, a plurality of side positioning pieces are utilized to detachably clamp the interior of 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 cell is loosened due to operation vibration of equipment when the battery cell is integrally installed in related equipment is avoided; the plurality of battery cores are independently arranged in the battery core positioning pipes distributed in the array one by one, so that the battery core positioning pipes are correspondingly isolated from the battery core main body one by one, the battery cores are independently protected, and the mutual influence caused by the accumulation of heat generated among the plurality of battery cores and the mutual influence caused by the damage of a single battery core and other problems are avoided; simultaneously, electric core support apron 321 utilizes a plurality of electric core top locating holes 3212 one-to-one to fix a position on electric core, the air outlet has independently been seted up on rethread electric core top locating hole 3212, the post along electric core positioning tube is bloied to the direction, the realization is blown off the heat post that produces on the inside electric core of electric core positioning tube to, and the exhaust pipe on the bracket bottom tow board 3231 discharges, accomplish local independent gas flow and arrive whole gas flow, the in-process that the heat flowed in the gap of the multilayer pile up among the large capacity lithium cell group and blows off has been avoided, still can influence other single section lithium cells, can not realize the quick radiating problem of large capacity lithium cell group.
In the embodiment of the present invention, referring to fig. 4 and 6 specifically, the plurality of side positioning elements include a side positioning element i 31 and a side positioning element ii 33;
the side positioning piece I31 is provided with a side positioning cover I311, the side positioning cover I311 covers the battery cell support 32, and the side positioning piece I31 is detachably clamped on the battery cell support 32 by matching a positioning plate I313 arranged on the outer side of the side positioning cover I311 with a plurality of screws I312, so that the stability of clamping a battery cell by the battery cell support 32 is improved;
be equipped with side location cover II 332 on side setting element II 33, side location cover II 332 covers and establishes on electric core support 32, side location cover II 332 top is provided with locating plate II 331, be provided with a plurality of screws II 333 on locating plate II 331, and utilize II 333 effects of a plurality of screws on II 331 of locating plate and side location cover II 332, accomplish and establish on electric core support 32 with the detachable clamp of II 33 of side setting element, be used for improving the stability of electric core support 32 centre gripping electricity core.
In the embodiment of the present invention, referring to fig. 4 to 6 specifically, a plurality of bolt mounting structures 314 are additionally installed on the side positioning cover i 311, and are used for flexibly mounting the cell bracket assembly 3;
a fixing plate 3146 is arranged on the bolt mounting structure 314, and the fixing plate 3146 is connected to the inside of an adjusting groove 3143 formed in the side positioning cover I311 in a sliding manner;
a row of limit holes 3144 distributed at equal intervals are respectively formed in the side edge positioning cover I311 on two sides of the adjusting groove 3143, and the fixing plate 3146 is limited in the limit holes 3144 by screws III 3145 inserted in the limit holes 3146 and used for fixing the fixing plate 3146;
the fixing plate 3146 is in a shape of a convex letter, and an installation plate 3142 is fixed on a side away from the adjustment groove 3143, and a fixing hole 3141 is opened on the installation plate 3142.
When the adjustable battery box is used in related equipment, positions of the mounting plate 3142 and the fixing holes 3141 can be adjusted by inserting positions of different limiting holes 3144 through the adjusting screws III 3145, the battery cell support assembly 3 can be flexibly mounted in a plurality of positions, and adjustment of reasonable layout of the battery cell support assembly 3 in the lithium battery box body is adapted.
In the embodiment of the present invention, referring to fig. 6 to 8 specifically, a cell support cover plate 3213 is disposed on the cell support cover plate 321, a convex edge is respectively fixed on two sides of the cell support cover plate 3213, and the convex edge is clamped at the edge of the cell support body 323 (meanwhile, a plurality of threaded holes iii 322 are disposed on the cell support cover plate 3213, 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 convex edge and is communicated with an air inlet hole 3214 formed in the surface of the outer convex edge;
a groove 3211 is formed in one side of the cell support cover plate body 3213, which is close to the cell support body 323, and a plurality of cell top positioning holes 3212 are distributed in the groove 3211 in an array manner; a plurality of air guide cavities communicated with the air inlet cavity are formed in the cell support cover plate body 3213 inside the groove 3211, and the air guide cavities and the cell top positioning holes 3212 are distributed in a crossed array and communicated with an air outlet in the cell top positioning hole 3212.
The air inlet 3214 is externally connected to an external exhaust fan through a connecting hose, clean air pumped by the exhaust fan is guided into the connecting hose, and is guided into an air outlet on the cell top positioning hole 3212 through an air inlet cavity and an air guide cavity, air is blown from the end of the cell by the air outlet, on the basis of blowing away dust on the surface of the cell, heat generated on the cell inside the cell positioning hole is blown out in a column direction and is discharged through an exhaust pipe on a support bottom drag plate 3231, local independent air flow to overall air flow is realized, and the problem that other single lithium batteries are still influenced and rapid heat dissipation of the high-capacity lithium battery pack cannot be realized in the process that heat flows and is blown out in gaps in the multi-layer stacked high-capacity lithium battery pack is solved;
simultaneously, utilize the air outlet to begin to blow from the tip of electric core, blow away the dust on electric core surface, avoid dust and water stain combination to cause the rust stain, and influence electric core resistance, the problem that appears generating heat easily.
In the embodiment of the invention, referring to fig. 9 specifically, a top planker 32333 is arranged on the support top planker 3233, four corners of the top planker 32333 are respectively provided with a fixed block 32331, and the fixed block 32331 is provided with a screw hole iv 32332; the top pulling plate body 32333 is provided with a plurality of cell top limiting holes 32334 for limiting the end part of the cell.
In the embodiment of the present invention, referring to fig. 10 to 13 specifically, 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 positioning tubes 32323 (specifically, the plurality of cell edge positioning tubes 32322 are distributed at four corners, the plurality of cell side positioning tubes 32321 are distributed at side edges, and the plurality of cell positioning tubes 32323 are distributed inside a frame surrounded by the plurality of cell edge positioning tubes 32322 and the plurality of cell side positioning tubes 32321);
the plurality of cell side positioning tubes 32321, the plurality of cell ridge positioning tubes 32322 and the plurality of cell inner positioning tubes 32323 are detachably mounted through fasteners and used for adjusting the number of the cell side positioning tubes and adapting to the number of the cell in series and parallel (two fasteners are arranged on the specific cell ridge positioning tube 32322 and are distributed on two adjacent side faces of the cell ridge positioning tube 32322, three fasteners are arranged on the cell side positioning tube 32321 and are continuously distributed on three adjacent side faces of the cell side positioning tube 32321, and four fasteners are arranged on the cell inner positioning tube 32323 and are distributed on four side walls of the cell inner positioning tube 32323).
And then a plurality of electric core side registration arms 32321, a plurality of electric core arris registration arm 32322 and the detachable installation of a plurality of electric core inner registration arm 32323 have realized that adjustment quantity adapts to electric core series-parallel connection's quantity to and electric core series-parallel connection's overall arrangement, and the problem of whole change cost of maintenance height is avoided in the maintenance alone.
In the embodiment of the present invention, referring to fig. 11 in particular, a single fastener is composed of fastening grooves 323221 and fastening convex edges 323222 which are distributed in parallel.
When two adjacent electric core positioning pipes are detachably mounted, the buckling convex edge 323222 on one adjacent electric core positioning pipe is movably inserted into the buckling groove 323221 on the other adjacent electric core positioning pipe to complete detachable mounting.
In the embodiment of the present invention, referring to fig. 1 and fig. 2 in particular, the main body of the lithium battery box is composed of a plurality of unit sealing members 2 which are detachably mounted; 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 to fig. 1-3 specifically, a unit sealing frame 24 is disposed on the unit sealing element 2, a receiving groove 23 is disposed at one end of the unit sealing frame 24, a penetrating frame 22 is disposed on the unit sealing frame 24 at an end far away from the receiving groove 23, and the penetrating frame 22 is used for penetrating into the receiving groove 23 in the detachable installation process of the plurality of unit sealing elements 2;
the inserting frame 22 is provided with a plurality of threaded holes II 26, and the unit sealing frame 24 outside the accommodating groove 23 is provided with a plurality of threaded holes I25; in the process of detachably mounting the plurality of unit packing 2, the bolts 21 are inserted into the screw holes i 25 and ii 26 to be detachably fixed.
The detachable installation number of the unit sealing elements 2 is adjusted to adapt to the installation number and the spatial layout of the cell bracket assemblies 3.
The working principle of the invention is as follows:
1. a plurality of battery cells are placed inside the battery cell support body 323, and after the battery cells are connected in series and in parallel at the top, two battery cell support cover plates 321 are symmetrically covered on the battery cell support body 323 from two ends of the battery cell support body 323, so that the battery cells are stably installed on the battery cell support 32; then, a plurality of side positioning pieces are utilized to detachably clamp the inside of the battery cell bracket 32, so that the stability of clamping the battery cell by the battery cell bracket 32 is improved; the problem that the battery cell is loosened due to operation vibration of equipment when the battery cell is integrally installed in related equipment is avoided;
2. the plurality of battery cores are independently arranged in the battery core positioning pipes distributed in the array one by one, so that the battery core positioning pipes are correspondingly isolated from the battery core main body one by one, the battery cores are independently protected, and the mutual influence caused by the accumulation of heat generated among the plurality of battery cores and the mutual influence caused by the damage of a single battery core and other problems are avoided;
3. the battery cell support cover plate 321 is positioned on the battery cells in a one-to-one correspondence mode through a plurality of battery cell top positioning holes 3212, air outlets are independently formed in the battery cell top positioning holes 3212, air is blown in the direction along the column direction of the battery cell positioning pipes, so that heat generated in the battery cells in the battery cell positioning pipes is blown out in the column direction and is exhausted through exhaust pipes on a support bottom dragging plate 3231, local independent air flows to the whole air to flow, and the problems that other single lithium batteries are still influenced and quick heat dissipation of the large-capacity lithium battery pack cannot be realized in the process that heat flows and is blown out in gaps in the multi-layer stacked large-capacity lithium battery pack are solved;
4. the battery cell support assembly is integrally arranged in the main body of the lithium battery box, when the battery cell support assembly is used in related equipment, the positions of the mounting plate 3142 and the fixing hole 3141 can be adjusted by inserting the adjusting screw III 3145 into different limiting holes 3144, so that the battery cell support assemblies 3 can be flexibly arranged in a plurality of positions, and the battery cell support assembly is suitable for adjusting the reasonable layout of the battery cell support assemblies 3 in the main body of the lithium battery box;
5. blowing air from the end part of the battery cell by utilizing the air outlet to blow away dust on the surface of the battery cell, so that the problems that rust is caused by the combination of the dust and water stain, the resistance of the battery cell is influenced, and the battery cell is easy to generate heat are solved;
6. the plurality of cell side positioning pipes 32321, the plurality of cell edge positioning pipes 32322 and the plurality of cell inner positioning pipes 32323 are detachably mounted, so that the adjustment of the number is adapted to the number of the cell series-parallel connection and the arrangement of the cell series-parallel connection, and the problem of high overall replacement and maintenance cost is solved by independent maintenance;
7. the number of the detachable installation of the unit sealing elements 2 is adjusted to adapt to the installation number and the spatial layout of the cell bracket assemblies 3.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
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 (9)
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 assemblies (3) are arranged in the lithium battery box main body, each battery cell bracket assembly (3) consists of a battery cell bracket (32) and a plurality of side positioning pieces which are detachably clamped on the battery cell bracket (32), and the side positioning pieces are used for improving the stability of the battery cell clamped by the battery cell bracket (32);
the battery cell support (32) comprises:
the battery cell support body (323), the battery cell support body (323) is used for fixing the 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 fixing a battery cell by the battery cell support body (323);
the battery cell support body (323) consists of a battery cell positioning tube group (3232), a support top dragging plate (3233) and a support bottom dragging plate (3231) which are fixed on two sides of the battery cell positioning tube group (3232); the battery cell positioning pipe group (3232) consists of a plurality of battery cell positioning pipes which are distributed in an array, and the battery cell positioning pipes are covered on the battery cells in a one-to-one correspondence manner and used for isolating the main bodies of the battery cells;
the battery core support cover plate (321) is provided with a plurality of battery core top positioning holes (3212) which are used for being positioned on the battery core in a one-to-one correspondence manner, air outlets are independently formed in the battery core top positioning holes (3212), air is blown towards the direction along the columns of the battery core positioning pipes, heat produced on the battery core inside the battery core positioning pipes is blown out towards the direction, and the heat is discharged through an exhaust pipe on the support bottom dragging plate (3231).
2. The lithium battery box with the function of rapidly dissipating heat as claimed in claim 1,
the side positioning pieces comprise a side positioning piece I (31) and a side positioning piece II (33);
the battery cell positioning device comprises a side positioning piece I (31), a side positioning cover I (311) and a plurality of screws I (312), wherein the side positioning piece I (31) is provided with the side positioning cover I (311), the side positioning cover I (311) covers the battery cell support (32), and the side positioning piece I (31) is detachably clamped on the battery cell support (32) by matching a positioning plate I (313) arranged on the outer side of the side positioning cover I (311) with the screws I (312) so as to improve the stability of the battery cell support (32) for clamping a battery cell;
be equipped with side location cover II (332) on side setting element II (33), side location cover II (332) cover is established on electric core support (32), side location cover II (332) top is provided with locating plate II (331), be provided with a plurality of screws II (333) on locating plate II (331), and utilize a plurality of screws II (333) to act on locating plate II (331) and side location cover II (332), the completion is with detachable the pressing from both sides of side setting element II (33) and is established on electric core support (32), a stability for improving electric core support (32) centre gripping electricity core.
3. A lithium battery case with rapid heat dissipation function according to claim 2,
a plurality of bolt mounting structures (314) are additionally arranged on the side positioning cover I (311) and used for flexibly mounting the battery cell bracket assembly (3);
a fixing plate (3146) is arranged on the bolt mounting structure (314), and the fixing plate (3146) is connected to the inside of an adjusting groove (3143) formed in the side positioning cover I (311) in a sliding manner;
a row of limit holes (3144) distributed at equal intervals are respectively formed in the side edge positioning cover I (311) on two sides of the adjusting groove (3143), and the fixing plate (3146) is limited in the limit holes (3144) by screws III (3145) inserted in the fixing plate (3146) and used for fixing the fixing plate (3146);
the fixing plate (3146) is in a convex shape, an installation plate (3142) is fixed on one side far away from the adjusting groove (3143), and a fixing hole (3141) is formed in the installation plate (3142).
4. A lithium battery case with rapid heat dissipation function according to claim 1,
the battery cell support cover plate (321) is provided with a battery cell support cover plate body (3213), two sides of the battery cell support cover plate body (3213) are respectively fixed with a convex edge, and the convex edges are clamped at the edge of the battery cell support body (323); an air inlet cavity is formed in the convex edge, and the air inlet cavity is communicated with an air inlet hole (3214) formed in the surface of the outer convex edge;
a groove (3211) is formed in one side, close to the cell support body (323), of the cell support cover plate body (3213), and a plurality of cell top positioning holes (3212) are distributed in the groove (3211) in an array manner; a plurality of air guide cavities communicated with the air inlet cavity are formed in the battery cell support cover plate body (3213) inside the groove (3211), and the air guide cavities and the battery cell top positioning holes (3212) are distributed in a crossed array and communicated with an air outlet in the battery cell top positioning hole (3212).
5. The lithium battery box with the rapid heat dissipation function according to claim 1, wherein a top dragging plate body (32333) is arranged on the support top dragging plate (3233), a fixed block (32331) is respectively arranged at four corners of the top dragging plate body (32333), and a screw hole IV (32332) is formed in the fixed block (32331); the top dragging plate body (32333) is provided with a plurality of cell top limiting holes (32334) for limiting the end parts of the cells.
6. The lithium battery box with the function of rapidly dissipating heat as claimed in claim 1,
the plurality of cell positioning tubes comprise a plurality of cell side positioning tubes (32321), a plurality of cell edge positioning tubes (32322) and a plurality of cell inner positioning tubes (32323);
all through the detachable installation of fastener between a plurality of electric core side registration arm (32321), a plurality of electric core arris registration arm (32322) and a plurality of electric core interior registration arm (32323) for the quantity is adjusted, adapts to electric core number of establishing ties in parallel.
7. The lithium battery box with the function of rapidly dissipating heat as claimed in claim 6, wherein the single fastening member is composed of fastening grooves (323221) and fastening convex edges (323222) which are distributed in parallel.
8. The lithium battery box with the function of rapidly dissipating heat as claimed in any one of claims 1 to 7,
the lithium battery box main body consists of a plurality of detachably mounted unit sealing elements (2);
two ends of the lithium battery box main body are respectively provided with a sealing plate (1) and are fixed by the sealing plates (1).
9. The lithium battery box with the function of rapidly dissipating heat as claimed in claim 8,
the unit sealing elements (2) are provided with unit sealing frames (24), one ends of the unit sealing frames (24) are provided with accommodating grooves (23), the unit sealing frames (24) at the ends far away from the accommodating grooves (23) are provided with inserting frames (22), and the inserting frames (22) are used for inserting the unit sealing elements (2) into the accommodating grooves (23) in the detachable installation process;
a plurality of threaded holes II (26) are formed in the inserting frame (22), and a plurality of threaded holes I (25) are formed in the unit sealing frame (24) on the outer side of the accommodating groove (23); in the process of detachably installing the unit sealing elements (2), bolts (21) are inserted into the threaded holes I (25) and the threaded holes II (26) for detachable fixation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN115275430A true CN115275430A (en) | 2022-11-01 |
| CN115275430B CN115275430B (en) | 2023-12-19 |
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| CN112448082A (en) * | 2020-12-08 | 2021-03-05 | 湖北亿纬动力有限公司 | Cylindrical battery module |
| WO2021184759A1 (en) * | 2020-03-20 | 2021-09-23 | 深圳市雄韬锂电有限公司 | Battery housing having multilayered heat-dissipating structure |
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| US20130122339A1 (en) * | 2009-11-27 | 2013-05-16 | V-Ens Co., Ltd. | Battery |
| 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 |
| CN209056572U (en) * | 2018-10-11 | 2019-07-02 | 宁波革鑫新能源科技有限公司 | A kind of radiator of cylindrical electrical core lithium battery group |
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|---|---|
| CN115275430B (en) | 2023-12-19 |
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