CN119361904B - Electric vehicle battery box - Google Patents
Electric vehicle battery box Download PDFInfo
- Publication number
- CN119361904B CN119361904B CN202411896641.XA CN202411896641A CN119361904B CN 119361904 B CN119361904 B CN 119361904B CN 202411896641 A CN202411896641 A CN 202411896641A CN 119361904 B CN119361904 B CN 119361904B
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- Prior art keywords
- box body
- filter cloth
- upper box
- electric vehicle
- battery
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- 239000004744 fabric Substances 0.000 claims abstract description 120
- 238000009423 ventilation Methods 0.000 claims abstract description 45
- 239000010419 fine particle Substances 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000178 monomer Substances 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
- 241000482237 Senegalia mellifera Species 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The application discloses a battery box of an electric vehicle, which relates to the field of batteries and comprises a lower box body and an upper box body, wherein the upper box body is detachably connected with the lower box body, an electric cavity is formed between the upper box body and the lower box body in a combined mode, the electric cavity is used for installing battery monomers, a plurality of ventilation ports are formed in the upper box body and the lower box body, filter cloth is arranged in the upper box body and the lower box body, the filter cloth covers the ventilation ports, and the filter cloth is used for filtering fine particles in air. The application is provided with the ventilation ports, thereby improving the heat dissipation efficiency of the battery box body. The filter cloth can filter fine particles in the air, so that the inner side of the electric cavity is kept clean.
Description
Technical Field
The application relates to the field of batteries, in particular to a battery box body of an electric vehicle.
Background
Energy conservation and emission reduction are key to sustainable development of the automobile industry. In this case, the electric vehicle is an important component for sustainable development of the automobile industry due to the advantage of energy conservation and environmental protection. For electric vehicles, battery technology is an important factor for development.
The battery case is a component of an electric vehicle for a battery, provides a carrier for the battery to be mounted, and separates the battery from an external space, so that the battery is maintained in a relatively clean environment. However, the space in the battery box is relatively closed, which has adverse effects on heat dissipation during the operation of the battery.
Disclosure of Invention
In order to ensure that the battery box body can improve the heat dissipation efficiency of the battery on the premise of keeping the inside clean, the application provides the battery box body of the electric vehicle.
The battery box of the electric vehicle provided by the application adopts the following technical scheme:
The electric vehicle battery box comprises a lower box body and an upper box body, wherein the upper box body is detachably connected with the lower box body, an electric cavity is formed by combining the upper box body with the lower box body, the electric cavity is used for installing battery monomers, a plurality of ventilation ports are formed in the upper box body and the lower box body, filter cloth is arranged in the upper box body and the lower box body, the filter cloth shields the ventilation ports, and the filter cloth is used for filtering fine particles in air.
Through adopting above-mentioned technical scheme, form and be used for holding the free electric chamber of battery between last box and the lower box, go up box and lower box and set up the ventilation mouth simultaneously, can make the air convection of the upper and lower both sides of battery box, make the air that flows can take away the heat that produces in the battery working process from electric intracavity to improve the radiating efficiency of battery box. The filter cloth can filter fine particles (PM 2.5) in the air, and the air flow is filtered by the filter cloth in the process of entering the electric cavity, so that the inner side of the electric cavity is kept clean.
Optionally, the top wall of the upper box body is provided with a streamline structure which is fluctuated along the longitudinal direction, and the top wall of the upper box body is arched upwards.
Through adopting above-mentioned technical scheme, the roof of going up the box sets up to along the streamline structure of longitudinal fluctuation, and when the in-process that the car was gone, the air velocity that flows through the roof of going up is higher than the air velocity that flows through the diapire of lower box, makes the air of battery box top and the air of its below form pressure differential to the air that makes battery box below can accelerate to flow to the top of battery box behind the electric cavity.
Optionally, the ventilation lattice openings of the upper box body are upper ventilation lattice openings, the ventilation lattice openings of the lower box body are lower ventilation lattice openings, two mutually parallel separation ribs are arranged on the bottom wall of the lower box body, a region between the two separation ribs in the electric cavity is used as a battery installation region, the upper ventilation style openings are located above the battery installation region, two groups of lower ventilation lattice openings are arranged, and the two groups of lower ventilation lattice openings are located on two sides of the battery installation region respectively and are staggered with the horizontal position of the battery installation region.
Through adopting above-mentioned technical scheme, the lower ventilation check mouth sets up in the both sides of battery installation district, makes down the vent can stagger each other with the battery monomer to reduce the influence of battery monomer to the circulation of air in electric chamber, be favorable to guaranteeing the radiating efficiency in electric chamber. Air below the battery box body enters the electric cavity from two sides of the battery box body, then flows for a certain distance along the horizontal direction, is discharged from the upper ventilation opening, and can cool more battery monomers in the process that the air flows along the horizontal direction.
Optionally, the wind shield is detachably connected with the upper box body, and the wind shield is perpendicular to the longitudinal direction of the upper box body.
Through adopting above-mentioned technical scheme, when the deep bead is installed at last box, the gas flow of last box roof can be hindered to the deep bead to make the air current velocity of battery box top be less than the air current velocity of battery box below, thereby make the air current flow through the electric box from last down, make the air current can blow away the dust blowback that lower filter cloth adheres to.
Optionally, the filter cloth is positioned at the outer side of the electric cavity, the filter cloth positioned at the upper box body is an upper filter cloth, the filter cloth positioned at the lower box body is a lower filter cloth, the top wall of the upper box body is detachably provided with a pressing ring, the pressing ring and the upper box body jointly press the peripheral edge of the upper filter cloth, and the peripheral edge of the lower filter cloth can be pressed downwards when the lower box body is in an installation state.
Through adopting above-mentioned technical scheme, go up the filter cloth and utilize the clamping ring to install fixedly, lower filter cloth utilizes the gravity of lower box to install fixedly. The clamping ring can be detached from the upper box body, and the lower box body can be detached from the frame of the automobile, so that the upper filter cloth and the lower filter cloth can be detached and replaced.
Optionally, the clamping ring is connected with the upper box body through a threaded fastener, the clamping ring is provided with a first through hole for the threaded fastener to penetrate, and the upper filter cloth is provided with a second through hole for the threaded fastener to penetrate.
Through adopting above-mentioned technical scheme, threaded fastener passes the filter cloth, is favorable to making the connection between last filter cloth and the last box more firm.
Optionally, a supporting foot seat is arranged on the peripheral wall of the lower box body, the bottom surface of the supporting foot seat and the bottom surface of the lower box body are jointly used as a supporting surface of the lower box body, the supporting foot seat is provided with a bolt hole for a threaded fastener to pass through, a gasket groove is arranged on the lower surface of the supporting foot seat and communicated with the bolt hole, a spring pad is arranged in the gasket groove of the supporting foot seat, and the spring pad can force the supporting foot seat to lift upwards.
Through adopting above-mentioned technical scheme, the supporting foot seat of lower box utilizes threaded fastener locking to install on the frame of car, makes the diapire of lower box compress tightly filter cloth down, and the spring pad is in compression deformation state this moment. When the threaded fastener for connecting the supporting foot seat is loosened, the spring pad lifts the supporting foot seat upwards, so that the pressure action of the lower box body on the lower filter cloth is relieved, and the lower filter cloth is easy to withdraw and replace. In addition, when the filter cloth is replaced, tools such as a crowbar, a jack and the like can be used for assisting in lifting the battery box body.
Optionally, two ends of the lower filter cloth are respectively provided with a roll shaft, two ends of the roll shaft are respectively provided with a connecting seat, the connecting seats are used for connecting the lower box body or a frame of an automobile, one of the two roll shafts is a winding roll shaft, and the other roll shaft is an unwinding roll shaft.
By adopting the technical scheme, the two ends of the lower filter cloth can be wound by the roll shafts. When the lower filter cloth is installed, the filter cloth material with excessive length is wound on the unwinding roller shaft, when the ventilation efficiency of the unwinding part of the lower filter cloth is reduced due to dust blockage, the lower filter cloth is wound by the winding roller shaft, so that the unwinding roller shaft is unwound, and the original unwinding part is replaced by the new filter cloth material of the lower filter cloth, so that the ventilation efficiency of the lower filter cloth is ensured. The unfolding part of the lower filter cloth can be updated and replaced, which is beneficial to prolonging the replacement period of the lower filter cloth.
Optionally, the both ends of lower filter cloth are equipped with the magic subsides respectively, the magic subsides include hook thorn piece and pile piece, hook thorn piece with the pile piece is located the surface of the different sides of lower filter cloth respectively, hook thorn piece with pile piece is followed the length direction dislocation set of lower filter cloth, the tip of lower filter cloth passes through the magic subsides is connected and is formed the tube-shape portion of parcel roller, the outer peripheral face of roller is equipped with first rubber damping layer, the both ends of lower filter cloth are equipped with the second rubber damping layer, the second rubber damping layer with first rubber damping layer laminating.
Through adopting above-mentioned technical scheme, the both ends of lower filter cloth utilize the magic to paste the tube-shape portion that connects into parcel roller, make the connection of lower filter cloth and roller comparatively convenient. In addition, when the lower filter cloth needs to be replaced integrally, one end of the lower filter cloth is connected with the unreeling roller shaft and is detached, one end of the new lower filter cloth is connected through the magic tape, then the new lower filter cloth is pulled by utilizing the winding roller shaft to wind, one end of the new lower filter cloth passes through the lower part of the lower box body, then the old lower filter cloth is detached from the winding roller shaft, and then the two ends of the new lower filter cloth are respectively connected to the winding roller shaft and the unreeling roller shaft.
Optionally, a spiral spring is connected between the connecting seat and the unreeling roller shaft, and the spiral spring is used for forcing the lower filter cloth to be tensioned.
By adopting the technical scheme, when the cloth of the lower filter cloth is drawn to be unreeled by the winding roller shaft, the spiral spring on the unreeled roller shaft can force the cloth of the lower filter cloth to be kept in a tensioned and flat state.
In summary, the present application includes at least one of the following beneficial technical effects:
an electric cavity for accommodating the battery monomer is formed between the upper box body and the lower box body, and ventilation ports are formed in the upper box body and the lower box body simultaneously, so that air on the upper side and the lower side of the battery box body can be convected, and flowing air can take away heat generated in the working process of the battery from the electric cavity, so that the heat dissipation efficiency of the battery box body is improved. The filter cloth can filter fine particles (PM 2.5) in the air, so that the inner side of the electric cavity is kept clean.
The top wall of the upper box body is of a streamline structure which is longitudinally fluctuated, when the automobile runs, the air flow speed flowing through the top wall of the upper box body is higher than the air flow speed flowing through the bottom wall of the lower box body, so that the air above the battery box body and the air below the battery box body form a pressure difference, and the air below the battery box body can flow to the upper part of the battery box body after passing through the electric cavity in an accelerating way.
Drawings
Fig. 1 is a schematic overall structure of embodiment 1.
Fig. 2 is a cross-sectional view of the case body of embodiment 1.
Fig. 3 is an exploded view of example 1.
Fig. 4 is an enlarged view at a in fig. 3.
Fig. 5 is a schematic overall structure of embodiment 2.
Fig. 6 is a schematic structural view of the unreeling roller shaft in embodiment 2.
Fig. 7 is a schematic structural view of the case main body in embodiment 3.
Fig. 8 is a schematic overall structure of embodiment 4.
Reference numerals illustrate:
1. A case body; 11, upper case, 111, second through hole, 12, lower case, 121, partition rib, 122, battery mounting area, 13, bolt and nut assembly, 14, electric cavity, 15, ventilation port, 151, upper ventilation port, 152, lower ventilation port, 2, filter cloth, 21, upper filter cloth, 22, lower filter cloth, 221, magic tape, 2211, hook and loop sheet, 2212, plush sheet, 3, clamping ring, 31, first through hole, 41, screw, 42, internal threaded sleeve, 5, support foot seat, 51, bolt hole, 52, gasket groove, 53, spring pad, 6, roll shaft, 61, winding roll shaft, 611, wrench position, 62, unreeling roll shaft, 621, inserting seam, 63, scroll spring, 632, tubular part, 64, set screw, 65, positioning bolt, 66, connecting seat, 8, wind shield, 81, connecting plate.
Detailed Description
The application is described in further detail below with reference to fig. 1-8.
Example 1
The embodiment of the application discloses a battery box of an electric vehicle. Referring to fig. 1,2 and 3, the battery box of the electric vehicle comprises a lower box body 12 and an upper box body 11, wherein the upper box body 11 and the lower box body 12 are connected through a bolt and nut assembly 13 to form a box body 1, the upper box body 11 and the lower box body 12 are combined to form an electric cavity 14, the electric cavity 14 is used for installing battery monomers, the upper box body 11 and the lower box body 12 are respectively provided with a plurality of ventilation openings 15, the ventilation openings 15 of the upper box body 11 are upper ventilation openings 151, the ventilation openings 15 of the lower box body 12 are lower ventilation openings 152, the positions of the lower ventilation openings 152 correspond to gaps between two adjacent battery monomers, the upper box body 11 and the lower box body 12 are respectively provided with a filter cloth 2 used for shielding the ventilation openings 15, the filter cloth 2 is positioned outside the electric cavity 14, the filter cloth 2 positioned in the upper box body 11 is an upper filter cloth 21, and the filter cloth 2 positioned in the lower box body 12 is a lower filter cloth 22.
Air within the electrical cavity 14 can be convected through the ventilation ports 15 to facilitate heat dissipation from the electrical cavity 14. The filter cloth 2 is capable of filtering fine particles in the air, keeping the interior of the electrical cavity 14 clean.
Referring to fig. 3, the upper case 11 is provided with a pressing ring 3, the pressing ring 3 and the upper case 11 jointly press the peripheral edge of the upper filter cloth 21, the pressing ring 3 is connected with the upper case 11 through a threaded fastener, the pressing ring 3 is provided with a first through hole 31 through which the threaded fastener passes, the upper filter cloth 21 is provided with a second through hole 111 through which the threaded fastener passes, and a reinforcing edge is sewn at the edge of the second through hole 111. The screw fastener for connecting the pressing ring 3 and the upper case 11 is a screw 41, and the upper case 11 is fixedly provided with an internally threaded sleeve 42 adapted to the screw 41. The pressing ring 3 and the upper box 11 jointly press the peripheral edge of the upper filter cloth 21, and the lower box 12 can press the peripheral edge of the lower filter cloth 22 downwards in the installation state.
Referring to fig. 3 and 4, the outer peripheral wall of the lower case 12 is provided with a support foot seat 5, the bottom surface of the support foot seat 5 and the bottom surface of the lower case 12 together serve as a support surface of the lower case 12, and the bottom surface of the support foot seat 5 and the peripheral edge of the bottom wall of the lower case 12 can press the peripheral edge of the lower filter cloth 22. The supporting leg seat 5 is provided with a bolt hole 51 for the threaded fastener to pass through, the lower surface of the supporting leg seat 5 is provided with a gasket groove 52, the gasket groove 52 is communicated with the bolt hole 51, a spring pad 53 is arranged in the gasket groove 52 of the supporting leg seat 5, the spring pad 53 in the embodiment is specifically a disc-shaped spring pad 53 ring, and the spring pad 53 can force the supporting leg seat 5 to lift upwards, so that the lower filter cloth 22 can be easily pulled out from the bottom of the lower box body 12 so as to be convenient for replacement.
Referring to fig. 2, the top wall of the upper case 11 is provided in a streamline structure undulating in the longitudinal direction, the top wall of the upper case 11 arches upward, and the longitudinal direction of the upper case 11 is a direction parallel to the body length direction of the automobile in the mounted state.
The implementation principle of the battery box body of the electric vehicle of the embodiment of the application is that an electric cavity 14 for accommodating battery monomers is formed between an upper box body 11 and a lower box body 12, when the vehicle runs, flowing air passes through the top wall of the upper box body 11 and the bottom wall of the lower box body 12 at the same time, and because the top wall of the upper box body 11 is provided with an upward arched streamline structure, the air flow speed passing through the top wall of the upper box body 11 is higher than the air flow speed passing through the bottom wall of the lower box body 12, so that the air above the battery box body and the air below the battery box body form a pressure difference, and the air below the battery box body can flow above the battery box body after passing through the electric cavity 14 in an accelerating manner. The flowing air can take away the heat generated in the working process of the battery from the electric cavity 14, so that the heat dissipation efficiency of the battery box body is improved. The air flow is filtered by the filter cloth 2 in the process of entering the electric cavity 14, so that the inner side of the electric cavity 14 is kept clean.
Example 2
Referring to fig. 5 and 6, this embodiment is different from embodiment 1 in that both ends of the lower filter cloth 22 are respectively provided with a roller shaft 6, both ends of the roller shaft 6 are respectively provided with a connecting seat 66, the connecting seat 66 is used for connecting the lower case 12 or a frame of an automobile, one of the two roller shafts 6 is provided with a winding roller shaft 61, the other is provided with an unwinding roller shaft 62, and when the lower filter cloth 22 is mounted, an excessive length of filter cloth 2 material is wound on the unwinding roller shaft 62.
One end of the winding roll shaft 61 is provided with a wrench position 611 for the wrench to be clamped, so that the wrench can drive the winding roll shaft 61 to rotate, and the winding roll shaft 61 winds up the lower filter cloth 22. The winding roller shaft 61 can be additionally provided with a ratchet structure, so that the winding roller shaft 61 realizes unidirectional rotation.
A spiral spring 63 is connected between the connecting seat 66 and the unreeling roller shaft 62, and the spiral spring 63 is used for forcing the lower filter cloth 22 to be tensioned. The outer peripheral surface of the unreeling roll shaft 62 is provided with an inserting seam 621, the inner end of the scroll spring 63 is spliced with the inserting seam 621, the outer peripheral surface of the unreeling roll shaft 62 is in threaded connection with a set screw 64, the inner end of the scroll spring 63 is provided with a connecting hole for the set screw 64 to pass through, the connecting seat 66 is in threaded connection with a positioning bolt 65, the positioning bolt 65 is parallel to the unreeling roll shaft 62, the outer end of the scroll spring 63 is curled to form a tubular part 632 for the positioning bolt 65 to pass through, and the positioning bolt 65 is connected with the tubular part 632 in a penetrating way.
The two ends of the lower filter cloth 22 are respectively provided with a magic tape 221, the magic tape 221 comprises a hook thorn piece 2211 and a plush piece 2212, the hook thorn piece 2211 and the plush piece 2212 are respectively positioned on the surfaces of different sides of the lower filter cloth 22, the hook thorn piece 2211 and the plush piece 2212 are arranged in a staggered mode along the length direction of the lower filter cloth 22, the staggered distance between the hook thorn piece 2211 and the plush piece 2212 is set according to the circumference of the roll shaft 6, the end portion of the lower filter cloth 22 is connected through the magic tape 221 to form a cylindrical portion for wrapping the roll shaft 6, the outer circumferential surface of the roll shaft 6 is provided with a first rubber damping layer, two ends of the lower filter cloth 22 are provided with a second rubber damping layer, and the second rubber damping layer is attached to the first rubber damping layer.
On the premise that the supporting foot seat 5 of the lower box body 12 is lifted upwards, the winding roller shaft 61 can be used for winding the lower filter cloth 22, so that the filter cloth 2 material is continuously unreeled from the unreeled roller shaft 62, and in the process, the scroll springs 63 on the unreeled roller shaft 62 can keep the lower filter cloth 22 in a tensioned and flat state. When the ventilation efficiency of the unfolding position of the lower filter cloth 22 is reduced due to dust blockage, the lower filter cloth 22 is wound by the winding roller shaft 61, the unwinding roller shaft 62 is unwound, and the original unfolding position is replaced by a new filter cloth 2 material of the lower filter cloth 22, so that the ventilation efficiency of the lower filter cloth 22 is ensured.
When the lower filter cloth 22 needs to be replaced integrally, one end of the lower filter cloth 22 is connected with the unreeling roller shaft 62 and is detached, one end of the new lower filter cloth 22 is connected through the magic tape 221, then the new lower filter cloth 22 is rolled and pulled by the rolling roller shaft 61, one end of the new lower filter cloth 22 passes through the lower part of the lower box body 12, then the old lower filter cloth 22 is detached from the rolling roller shaft 61, and then two ends of the new lower filter cloth 22 are respectively connected to the rolling roller shaft 61 and the unreeling roller shaft 62.
Example 3
Referring to fig. 7, the difference between this embodiment and embodiment 1 is that the bottom wall of the lower case 12 is provided with two parallel partition ribs 121, the region between the two partition ribs 121 in the electric cavity 14 is used as the battery mounting region 122, the upper ventilation grid 151 is located above the battery mounting region 122, the lower ventilation grid 152 is provided with two groups of lower ventilation grid 152, and the two groups of lower ventilation grid 152 are respectively located at two sides of the battery mounting region 122 and are staggered from the horizontal position of the battery mounting region 122, i.e. the lower ventilation grid 152 is located between the partition ribs 121 and the side wall of the lower case 12.
The lower vent can stagger each other with the battery monomer, and the air of battery box below gets into the electric cavity 14 from the both sides of battery box, then flows the certain distance in the horizontal direction after, is discharged from last vent, and the in-process that the air flows along the horizontal direction can cool off more battery monomer.
Example 4
Referring to fig. 8, the difference between this embodiment and embodiment 1 is that the electric vehicle battery box further includes a wind guard 8, two sides of the wind guard 8 are respectively provided with a connecting plate 81, the connecting plates 81 are provided with penetrating holes through which the screws 41 penetrate, that is, the screws 41 for connecting the pressing ring 3 can be used for fixing the wind guard 8 at the same time. The wind deflector 8 is perpendicular to the longitudinal direction of the upper case 11, and the wind deflector 8 is located in the arched position of the upper case 11.
When the wind shield 8 is installed on the upper case 11, the wind shield 8 can obstruct the air flow of the top wall of the upper case 11, so that the air flow speed above the battery case is lower than the air flow speed below the battery case, and the air flow flows through the electric case from top to bottom, so that the air flow can blow out the dust attached to the lower filter cloth 22.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (9)
1. The electric vehicle battery box body is characterized by comprising a lower box body (12) and an upper box body (11), wherein the upper box body (11) is detachably connected with the lower box body (12), an electric cavity (14) is formed by combining the upper box body (11) with the lower box body (12), the electric cavity (14) is used for installing battery cells, a plurality of ventilation openings (15) are formed in the upper box body (11) and the lower box body (12), filter cloth (2) is arranged in the upper box body (11) and the lower box body (12), the filter cloth (2) covers the ventilation openings (15), the filter cloth (2) is used for filtering fine particles in air, the top wall of the upper box body (11) is of a streamline structure which is vertically fluctuated, the longitudinal direction of the upper box body (11) is parallel to the direction of the length of a vehicle body in an installation state, and the top wall of the upper box body (11) is arched upwards.
2. The electric vehicle battery box body according to claim 1, wherein the ventilation grid openings (15) of the upper box body (11) are upper ventilation grid openings (151), the ventilation grid openings (15) of the lower box body (12) are lower ventilation grid openings (152), two mutually parallel separation ribs (121) are arranged on the bottom wall of the lower box body (12), a region, located between the two separation ribs (121), of the electric cavity (14) serves as a battery installation area (122), the upper ventilation grid openings (151) are located above the battery installation area (122), two groups of lower ventilation grid openings (152) are arranged, and the two groups of lower ventilation grid openings (152) are located on two sides of the battery installation area (122) respectively and are staggered with the horizontal position of the battery installation area (122).
3. The electric vehicle battery box according to claim 1, further comprising a wind deflector (8), wherein the wind deflector (8) is detachably connected with the upper box (11), and the wind deflector (8) is perpendicular to the longitudinal direction of the upper box (11).
4. The electric vehicle battery box body according to claim 1, wherein the filter cloth (2) is located on the outer side of the electric cavity (14), the filter cloth (2) located on the upper box body (11) is an upper filter cloth (21), the filter cloth (2) located on the lower box body (12) is a lower filter cloth (22), a pressing ring (3) is detachably arranged on the top wall of the upper box body (11), the pressing ring (3) and the upper box body (11) jointly press the peripheral edge of the upper filter cloth (21), and the lower box body (12) can downwards press the peripheral edge of the lower filter cloth (22) in an installation state.
5. The electric vehicle battery box body according to claim 4, wherein the pressing ring (3) is connected with the upper box body (11) through a threaded fastener, the pressing ring (3) is provided with a first through hole (31) for the threaded fastener to pass through, and the upper filter cloth (21) is provided with a second through hole (111) for the threaded fastener to pass through.
6. The electric vehicle battery box body according to claim 4, wherein a supporting foot seat (5) is arranged on the peripheral wall of the lower box body (12), the bottom surface of the supporting foot seat (5) and the bottom surface of the lower box body (12) are used as supporting surfaces of the lower box body (12) together, the supporting foot seat (5) is provided with a bolt hole (51) for a threaded fastener to penetrate, a gasket groove (52) is formed in the lower surface of the supporting foot seat (5), the gasket groove (52) is communicated with the bolt hole (51), a spring pad (53) is arranged in the gasket groove (52) of the supporting foot seat (5), and the spring pad (53) can force the supporting foot seat (5) to ascend.
7. The electric vehicle battery box body according to claim 6, wherein two ends of the lower filter cloth (22) are respectively provided with a roll shaft (6), two ends of the roll shaft (6) are respectively provided with a connecting seat (66), the connecting seats (66) are used for connecting the lower box body (12) or a frame of an automobile, one of the two roll shafts (6) is a winding roll shaft (61), and the other roll shaft is an unwinding roll shaft (62).
8. The electric vehicle battery box body according to claim 7, wherein two ends of the lower filter cloth (22) are respectively provided with a magic tape (221), the magic tape (221) comprises a hook-and-thorn piece (2211) and a plush piece (2212), the hook-and-thorn piece (2211) and the plush piece (2212) are respectively positioned on surfaces of different sides of the lower filter cloth (22), the hook-and-thorn piece (2211) and the plush piece (2212) are arranged in a staggered mode along the length direction of the lower filter cloth (22), the end portions of the lower filter cloth (22) are connected through the magic tape (221) to form a cylindrical portion wrapping the roller shaft (6), a first rubber damping layer is arranged on the outer circumferential surface of the roller shaft (6), and two ends of the lower filter cloth (22) are provided with a second rubber damping layer, and the second rubber damping layer is attached to the first rubber damping layer.
9. The electric vehicle battery box as set forth in claim 7, characterized in that a spiral spring (63) is connected between the connection seat (66) and the unreeling roller shaft (62), and the spiral spring (63) is used for forcing the lower filter cloth (22) to be tensioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411896641.XA CN119361904B (en) | 2024-12-23 | 2024-12-23 | Electric vehicle battery box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411896641.XA CN119361904B (en) | 2024-12-23 | 2024-12-23 | Electric vehicle battery box |
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| Publication Number | Publication Date |
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| CN119361904A CN119361904A (en) | 2025-01-24 |
| CN119361904B true CN119361904B (en) | 2025-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411896641.XA Active CN119361904B (en) | 2024-12-23 | 2024-12-23 | Electric vehicle battery box |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN219998322U (en) * | 2023-04-19 | 2023-11-10 | 陕西乾璟新能源科技有限公司 | Novel energy storage battery |
| CN118017089A (en) * | 2024-04-09 | 2024-05-10 | 山东迪宝新能源科技股份有限公司 | Integrated liquid cooling aluminum alloy energy storage battery box |
| CN118398955A (en) * | 2024-05-08 | 2024-07-26 | 无锡广源捷泰新能源科技有限公司 | New energy automobile battery aluminum shell of multistage cooling |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209515791U (en) * | 2019-02-22 | 2019-10-18 | 黄河科技学院 | New energy energy-storage battery box body |
| CN214043819U (en) * | 2020-12-24 | 2021-08-24 | 河海大学 | A battery box for new energy vehicles |
| KR20240086171A (en) * | 2022-12-09 | 2024-06-18 | 현대자동차주식회사 | High voltage battery module |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN219998322U (en) * | 2023-04-19 | 2023-11-10 | 陕西乾璟新能源科技有限公司 | Novel energy storage battery |
| CN118017089A (en) * | 2024-04-09 | 2024-05-10 | 山东迪宝新能源科技股份有限公司 | Integrated liquid cooling aluminum alloy energy storage battery box |
| CN118398955A (en) * | 2024-05-08 | 2024-07-26 | 无锡广源捷泰新能源科技有限公司 | New energy automobile battery aluminum shell of multistage cooling |
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| CN119361904A (en) | 2025-01-24 |
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