CN116826276A - Battery box and battery pack - Google Patents
Battery box and battery pack Download PDFInfo
- Publication number
- CN116826276A CN116826276A CN202310675604.5A CN202310675604A CN116826276A CN 116826276 A CN116826276 A CN 116826276A CN 202310675604 A CN202310675604 A CN 202310675604A CN 116826276 A CN116826276 A CN 116826276A
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- Prior art keywords
- box body
- battery
- box
- crossbeam
- cross beam
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- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000012983 electrochemical energy storage Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000003466 welding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- 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
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
-
- 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
- H01M50/244—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
- H01M50/258—Modular batteries; Casings provided with means for assembling
-
- 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)
- Battery Mounting, Suspending (AREA)
Abstract
The application relates to the technical field of electrochemical energy storage, and discloses a battery box, which comprises a box body, wherein a first cross beam and a second cross beam for fixing a battery module are arranged on the inner side surface of the bottom of the box body, a plurality of longitudinal beams connected with the first cross beam and the second cross beam are arranged between the first cross beam and the second cross beam at intervals along the length direction of the first cross beam, and through holes for hanging the box body and ventilating are formed in the side surface of the box body. The application solves the problems that in the prior art, the box body is easy to distort and deform when the battery pack is hoisted and the battery modules in the box body are easy to touch each other.
Description
Technical Field
The application relates to the technical field of electrochemical energy storage, in particular to a battery box and a battery pack.
Background
In production and life, an energy storage battery pack is often used for storing energy, and the energy storage battery pack comprises a battery pack box body and a plurality of groups of battery modules positioned in the battery box.
The following problems exist in the actual use of the battery pack: 1. in the hoisting process of the battery pack, the weights of a plurality of groups of battery modules in the battery pack box body are all pressed on the bottom plate of the battery pack box body, and the bottom plate of the battery pack box body is stressed unevenly to cause easy distortion and deformation of the battery pack box body; 2. in the hoisting process of the battery pack, the battery pack is easy to shake, so that the battery modules in the battery pack box body are easy to contact with adjacent battery modules, the battery modules are scratched or short-circuited in contact with each other, and the normal work behind the battery modules is affected; 3. the battery pack box body is provided with only one azimuth air inlet, the battery module close to the air inlet firstly receives wind and then adjusts the temperature of the battery module, and the battery module far away from the air inlet finally receives wind and then adjusts the temperature of the battery module, so that the temperatures of multiple groups of battery modules in the battery pack cannot be adjusted at the same time.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the application is to provide a battery box, which can strengthen the strength of the box body to prevent the box body from being distorted and deformed during the hoisting of a battery pack, limit a plurality of groups of battery modules, and enable a plurality of groups of battery modules to simultaneously receive the wind for adjusting the temperature of the battery modules and simultaneously uniformly dissipate heat of the battery modules.
The technical scheme adopted by the application is as follows:
the utility model provides a battery box, includes the box, be equipped with first crossbeam and the second crossbeam that is used for fixed battery module on the bottom half medial surface, be equipped with a plurality of longeron all being connected with first crossbeam, second crossbeam along first crossbeam length direction interval between first crossbeam and the second crossbeam, be equipped with the via hole that is used for hoist and mount box and ventilation and heat dissipation on the box side.
Explanation: the battery pack comprises a box body and a battery module arranged in the box body, and a plurality of battery packs are placed together through a battery cluster frame to form a battery cluster.
Compared with the prior art, the application has the beneficial effects that:
1. the box body is convenient for arranging the first cross beam, the second cross beam and the plurality of longitudinal beams, the first cross beam and the second cross beam can limit the battery module through the cooperation, so that the battery module is always positioned between the first cross beam and the second cross beam, meanwhile, the battery module is isolated from other parts in the box body, the battery module is not contacted with other parts, the safety of the battery module in the use process is further ensured, the battery module is also assisted to quickly find the position of the battery module in the box body through the first cross beam and the second cross beam through the cooperation of the first cross beam and the second cross beam, the battery module is placed on the appointed position of the bottom of the box body, and the efficiency of the battery module in the box body is improved;
2. according to the application, the first cross beam, the second cross beam and the plurality of longitudinal beams are matched to form a plurality of independent spaces at the bottom of the box body, a group of battery modules are placed in one independent space, the battery modules are further limited, adjacent battery modules are connected through the longitudinal beams positioned between the adjacent battery modules, the adjacent battery modules can be effectively prevented from being contacted in the hoisting process of the battery pack, the subsequent normal use of the battery modules is ensured, meanwhile, the battery modules can be more conveniently placed in the box body in one independent space, the strength of the box body is increased due to the matching of the first cross beam, the second cross beam and the plurality of longitudinal beams, the plurality of battery modules are arranged in the corresponding independent spaces, the gravity of the battery modules at the bottom of the box body is downwards pressed on the bottom of the box body, the stress of the box body is balanced, the box body is effectively prevented from being deformed by twisting, the position movement of the plurality of battery modules caused by the distortion of the bottom of the box body is prevented from affecting the normal use of the battery modules, the battery pack is prevented from being placed in the battery clusters, and the situation that the battery pack is not placed by the distortion of the box body and the box body is prevented from being deformed or being invalid;
3. according to the application, the first cross beam, the second cross beam and the plurality of longitudinal beams are matched to separate the battery modules from the adjacent battery modules by the longitudinal beams, so that stable gaps are formed among a plurality of groups of battery modules, the wind can flow between the battery modules conveniently, and the temperature of the battery modules can be quickly regulated;
4. the through hole can facilitate the lifting of the box body, namely, the position for grabbing the box body is provided, compared with the position for grabbing the box body by the handle, the through hole can save the space on the box body, so that the box body has more sufficient space to facilitate the layout of other components on the box body, the material and the cost for manufacturing the box body can be saved, the through hole can also be used as a wind hole, wind can enter the box body from the through hole, a plurality of groups of battery modules in the box body can receive wind at the same time, the temperature of the plurality of groups of battery modules can be regulated at the same time, the through hole can also be used as a heat dissipation hole, the heat dissipation of the plurality of groups of battery modules in the box body can be facilitated from all directions, and the through hole can also be used as an observation hole.
In a preferred embodiment of the present application, the longitudinal beam is provided with a U-shaped through groove, and the opening corresponding to the inner side surface of the bottom of the through groove is opposite to the inner side surface of the bottom of the box body.
The beneficial effect of this scheme: the weight of longeron can be reduced to logical groove, and then make longeron, first crossbeam and second crossbeam cooperation effect satisfy lighten the weight of box when strengthening box intensity, can easily stimulate and carry the box when being convenient for need artifical transport box, also be convenient for the longeron can not pile up the heat that battery module produced in the longeron for collect the heat on the longeron and influence battery module in the back, the longeron heat dissipation of being convenient for also be convenient for when the longeron is connected with the box the gluing agent of longeron and box be located logical groove, the longeron lateral surface is smooth when making longeron and battery module contact, can not influence battery module's normal use to battery module external scratch.
In a preferred embodiment of the present application, a reinforcing ring corresponding to the via hole and located at the outer ring of the via hole is provided on the inner side of the case.
The beneficial effect of this scheme: the reinforcing ring can locally strengthen the strength around the through hole, so that the box body can be stably grabbed when the battery pack is hoisted, the box body is ensured not to be distorted, and the whole normal use of the battery pack is further influenced.
In a preferred embodiment of the present application, a baffle corresponding to the via hole is connected to the inner side of the case.
The beneficial effect of this scheme: the baffle can effectively prevent that the lifting hook from passing the via hole and touching or scraping the inside part of box when hoist and mount, effectively prevents the influence of external factor to the inside part of box in the hoist and mount process.
As a preferred embodiment of the present application, the baffle plate includes a first connecting portion and a second connecting portion located at two ends of the first connecting portion and on the same side, the first connecting portion is located between an upper end and a lower end of the via hole, an inner side surface of the second connecting portion is attached to an outer side surface of the reinforcing ring, and an outer side surface of the second connecting portion is connected with a third connecting portion connected to an inner side surface of the box.
The beneficial effect of this scheme: 1. the first connecting part can limit the lifting hook for lifting the battery pack, and can prevent the lifting hook extending into the box body from extending into the box body when being lifted; 2. the inner side surface of the second connecting part is attached to the outer side surface of the reinforcing ring, so that the lifting hook can be limited, and the lifting hook is limited to move to the left side and the right side of the reinforcing ring; 3. the first connecting part and the second connecting part are matched, and meanwhile, the first connecting part is positioned between the upper end and the lower end of the through hole, so that the range of the lifting hook extending into the box body can be limited, the situation that the lifting hook touches or scratches an internal part of the box body effectively is prevented, the lifting hook cannot extend forwards and sideways continuously after passing through the through hole, but is in full contact with the box body rapidly, the box body can be stably grabbed when the box body is grabbed, and a battery pack is finally stably hoisted; 4. the third connecting part is used for connecting the first connecting part and the second connecting part with the inner side surface of the box body.
As a preferred embodiment of the application, two opposite side surfaces of the box body are provided with hanging lugs.
The beneficial effect of this scheme: the hanging lugs can facilitate connection of the battery pack and the battery cluster frame, are positioned on the box body, can reduce re-management of the hanging lugs, and can connect the battery pack with the battery cluster frame directly through the hanging lugs on the box body when the battery pack is required to be connected with the battery cluster frame; the hangers can also be used as lifting holes, and when the box body is lifted, the hangers can increase the local strength of the box body, and can also prevent the box body from being deformed during lifting.
As a preferred embodiment of the application, the hanging lugs comprise a fixing part connected with the outer side surface of the box body and a transverse straight part connected with the fixing part and symmetrically arranged along the central axis of the length direction of the fixing part as a symmetrical axis, the transverse straight part is provided with a U-shaped groove, and the outer side surface of the transverse straight part and the side surface of the box body in the width direction are on the same horizontal plane.
The beneficial effect of this scheme: the fixing part is convenient to set up the horizontal straight part, the fixing part is connected with the outer side surface of the box body, namely the fixing part is located on the outer side surface of the box body, when the battery pack is connected with the battery cluster frame, the fixing part can serve as a buffer part, so that the width of the box body is increased, when the battery pack is placed on the battery cluster frame, the outer side surface of the fixing part is attached to the outer side surface of the battery cluster frame, the horizontal straight part is connected with the battery cluster frame, but at the moment, the box body of the battery pack is not attached to the outer side surface of the battery cluster frame, so that a gap is formed between the box body and the battery cluster frame, the gap can serve as a channel, the heat dissipation of the box body is facilitated, the gap can also serve as an air channel, the wind can enter the box body conveniently, and the fixing part can also enhance the strength of the box body, so that the box body is not easy to deform when the battery pack is pulled or hoisted through hanging lugs; the symmetrically arranged transverse straight parts can ensure that the battery pack is connected with the battery cluster frame and the consumption of hanging lug materials is minimum, so that the hanging lug material cost is reduced, the U-shaped groove is convenient for the hanging hook to extend into the hanging battery pack, the connecting part to pass through is convenient when the battery pack is connected with the battery cluster frame, and the battery pack is connected with the battery cluster frame, so that the weight of the box body can be reduced; the lateral surface of the transverse straight part and the lateral surface of the box body are positioned on the same horizontal plane, so that when the battery pack is connected with the battery cluster frame, the battery pack is connected with the battery cluster frame more stably, and the box body of the battery pack is positioned on the lateral surface of the width direction, the lateral surface of the transverse straight part and the lateral surface of the battery cluster frame on the same plane, so that the battery pack is placed on the battery cluster frame without protruding parts, and installation or maintenance personnel cannot be stabbed, so that the layout of the battery pack and the battery cluster frame is reasonable.
In a preferred embodiment of the present application, the side surface of the box body in the width direction is symmetrically provided with a plurality of connecting holes along the central axis of the box body in the width direction.
The beneficial effect of this scheme: the connecting hole can be convenient for the connection of battery package and battery cluster frame, can also reduce the weight of box, is convenient for hoist and mount battery package.
As a preferred embodiment of the present application, the case includes a first support plate and a second support plate connected to the first support plate, and the first cross member, the second cross member and the longitudinal beam are all connected to the first support plate.
The beneficial effect of this scheme: the first backup pad and the cooperation of second backup pad can make the box realize quick detach and connect soon, the quick installation box of being convenient for.
Another object of the application is also to propose a battery pack comprising a battery box as described above.
Drawings
Fig. 1 is a schematic view of the structure of a battery case of the present application;
FIG. 2 is a schematic view of the battery box of the present application in an expanded configuration;
FIG. 3 is a schematic view of the structure of the first cross member, second cross member and side member of the present application;
FIG. 4 is a schematic view of the structure of the reinforcing ring and baffle of the present application;
FIG. 5 is a schematic view showing the structure of embodiment 4 of the present application;
fig. 6 is a schematic view of another angle of embodiment 4 of the present application.
Detailed Description
Exemplary embodiments that embody features and advantages of the present application will be set forth in detail in the following description. It will be understood that the application is capable of various modifications in various embodiments, all without departing from the scope of the application, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the application.
In the description of the present application, the orientation or positional relationship indicated by the terms "first", "second", "one side", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the structure referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The reference numerals include: the box body 1, the first cross beam 2, the second cross beam 3, the longitudinal beam 4, the through hole 5, the through groove 6, the reinforcing ring 7, the baffle 8, the first connecting part 9, the second connecting part 10, the third connecting part 11, the hanging lug 12, the fixing part 13, the transverse straight part 14, the U-shaped groove 15, the first supporting plate 16, the second supporting plate 17, the shielding plate 18, the shielding part 19, the vertical part 20, the supporting frame 21, the spring 22 and the diversion trench 23.
Example 1
As shown in fig. 1, 2, 3 and 4, a battery box includes a box body 1, and the box body 1 includes a first support plate 16 and a second support plate 17 connected to the first support plate 16.
In this embodiment, the first support plate 16 includes the first supporting part and the second supporting part that is connected and homonymy with first supporting part both ends respectively, first supporting part and second supporting part vertically both ends all are connected with first bar limit inwards, second supporting part and first supporting part vertically face both ends all are connected with second bar limit inwards, one of them second supporting part is connected with the third bar limit inwards with the parallel one end of first supporting part, another second supporting part is connected with the fourth bar limit of perpendicular and first supporting part with the parallel one end of first supporting part, the second support plate 17 includes third supporting part and the fourth supporting part of being connected and homonymy with third supporting part both ends respectively, third supporting part and the perpendicular one end of fourth supporting part are connected with the fifth bar limit inwards, third supporting part medial surface and the outside face of fourth bar limit merge and be connected, fourth supporting part medial surface and first limit, second supporting part lateral surface and second bar limit outside face merge and be connected, and be connected with the fourth bar limit, and the fourth supporting plate 17 is connected with the fourth bar 17 in order of convenience when the first supporting plate 17 is fast laminating to the second supporting plate 17.
In this embodiment, a plurality of honeycomb holes are formed in one of the second supporting portion and the fourth supporting portion, the holes are convenient for wind entering from the air duct to enter the box body 1, an exhaust fan communicated with the interior of the box body 1 is connected to the outer side face of the other second supporting portion, the holes and the exhaust fan cooperate to enable battery modules in the box body 1 to be kept in a required temperature range, wind enters the box body 1 from the holes and the through holes 5, the wind flows among the battery modules, the first cross beam 2, the second cross beam 3 and the longitudinal beams 4, the wind can enter the box body 1 from the through holes 5, when the temperature in the box body 1 needs to be regulated, the exhaust fan is started, and the wind in the box body 1 is extracted from the exhaust fan and flows out from the through holes 5 close to the exhaust fan.
The battery module comprises a box body 1, and is characterized in that a first cross beam 2 and a second cross beam 3 for fixing the battery module are connected to the inner side surface of the bottom of the box body 1, a plurality of longitudinal beams 4 connected with the first cross beam 2 and the second cross beam 3 are connected to the first cross beam 2 and the second cross beam 3 at intervals along the length direction of the first cross beam 2, the longitudinal beams 4 are provided with U-shaped through grooves 6, openings corresponding to the inner side surfaces of the bottoms of the through grooves 6 are opposite to the inner side surfaces of the bottom of the box body 1, the first cross beam 2, the second cross beam 3 and the longitudinal beams 4 are connected with a first supporting portion in a first supporting plate 16, a plurality of first through holes (not shown in the figure) are formed in the first cross beam 2 and the second cross beam 3 at intervals along the length direction of the first cross beam 2, and a plurality of second through holes (not shown in the figure) are formed in the longitudinal beams 4 along the length direction of the longitudinal beams 4.
In this embodiment, the first beam 2, the second beam 3 and the longitudinal beam 4 are all channel steel, the first beam 2 is connected with an end plate in the battery module, the second beam 3 is connected with an end plate in the battery module, the first beam 2 and the second beam 3 cooperate to limit two ends of the battery module, prevent the battery module from moving in the box 1, and further enhance the connection between the battery module and the box 1, the first beam 2 is provided with a U-shaped through groove, an opening corresponding to the inner side surface of the bottom of the through groove is opposite to the inner side surface of the bottom of the box 1, the first beam 2 is welded with the inner side surface of the bottom of the box 1, the through groove can be convenient for accommodating welding spots when the first beam 2 is welded with the box 1, scratch of the welding spots on the outer surface of the battery module is prevented, and the subsequent normal work of the battery module is affected; the second crossbeam 3 is opened there is the logical groove of U type, and the opening that leads to tank bottom portion medial surface and box 1 bottom medial surface and correspond is relative, and second crossbeam 3 and box 1 bottom medial surface welding, the solder joint when leading to the groove can be convenient for hold second crossbeam 3 and box 1 welding, prevents the scratch of solder joint to the battery module surface, influences the follow-up normal work of battery module.
In this embodiment, first crossbeam 2 and second crossbeam 3 are the channel-section steel, first crossbeam 2 and second crossbeam 3 are equipped with a plurality of first through-holes along first crossbeam 2 length direction interval, longeron 4 is equipped with a plurality of second through-holes along longeron 4 length direction, first through-hole and second through-hole can be convenient for wind get into inside first crossbeam, second crossbeam and the longeron, adjust the inside temperature of first crossbeam, second crossbeam and longeron for wind can contact box 1 bottom, and then adjust the temperature of box 1 bottom, make the temperature of battery module and box bottom junction in moderate range, first through-hole and second through-hole can also reduce the weight of first crossbeam, second crossbeam and longeron.
The center shaft of the side face of the box body 1 along the length direction of the side face of the box body 1 is provided with a through hole 5 for hanging the box body 1 and ventilation, the inner side face of the box body 1 is connected with a reinforcing ring 7 which corresponds to the through hole 5 and is located at the outer ring of the through hole 5, the reinforcing ring 7 is connected with a baffle plate 8, the baffle plate 8 comprises a first connecting part 9 and second connecting parts 10 which are located at two ends and at the same side of the first connecting part 9 respectively, the upper end and the lower end of the first connecting part 9 are located between the upper end and the lower end of the through hole 5, the inner side face of the second connecting part 10 is attached to the outer side face of the reinforcing ring 7, and the outer side face of the second connecting part 10 is connected with a third connecting part 11 which is connected with the inner side face of the box body 1.
The opposite two side surfaces of the box body 1 are symmetrically connected with hanging lugs 12 along the central axis of the width direction of the box body 1 in a symmetrical mode, each hanging lug 12 comprises a fixing part 13 connected with the outer side surface of a fourth supporting part on the box body 1 and a transverse straight part 14 which is connected with the fixing part 13 and is symmetrically arranged along the central axis of the length direction of the fixing part 13 in a symmetrical mode and provided with U-shaped grooves 15, and the outer side surface of the transverse straight part 14 and the side surface of the box body 1 in the width direction are on the same horizontal plane.
In this embodiment, two through holes 5 are distributed on each side of the box body 1, eight through holes 5 are counted in total in the box body 1, the fourth supporting part of the hanging lugs 12 is connected with the second strip-shaped edge, the outer side face of the transverse straight part 14 on the hanging lugs 12 is on the same horizontal plane with the side face of the box body 1 in the width direction, namely, the outer side face of the transverse straight part 14 is on the same horizontal plane with the outer side face of the second supporting part, when the components and parts on the battery pack are on the second supporting part, when the hanging lugs 12 are used as hanging holes, the local strength of the box body 1 is enhanced, so that hanging is more stable, the box body 1 is not easy to deform, and further the components and parts are not damaged.
A battery pack comprising a battery compartment as described above.
Description of ventilation principle: the battery pack is connected with the battery cluster frame to form a battery cluster, the battery cluster frame is connected with the fan, when the temperature of the battery modules in the battery pack in the battery cluster exceeds the standard temperature range value, the fan is started, wind enters from the fan, enters the battery cluster frame through the air channel in the battery cluster, enters the battery pack box body through a plurality of honeycomb holes in the battery pack box body, the temperature of a plurality of groups of battery modules in the battery pack is regulated, and meanwhile, the exhaust fan on the battery pack is started to draw out hot wind in the battery pack.
In combination with the embodiment, as the through holes 5 are formed in the side surface of the box body 1, when wind enters the box body 1, the exhaust fan is started, the through holes 5 can be used as air inlet holes, and besides the wind can enter the inside and the outside of the box body 1 from honeycomb holes, the wind can also enter the box body 1 from the through holes 5 on four sides of the box body 1, so that a plurality of groups of battery modules in the box body 1 can uniformly receive the wind, and the temperatures on a plurality of groups of battery modules can be adjusted at the same time; when the fan is not started, the through holes 5 can be used as radiating holes at the moment, heat emitted by the plurality of groups of battery modules in the box body 1 can be emitted outwards from the plurality of through holes 5, and the plurality of through holes 5 compensate for the problem of uneven heat dissipation in the box body 1.
Example 2
The present embodiment is basically the same as embodiment 1, except that a plurality of connection holes (not shown in the drawings) are symmetrically opened on the side surface of the case 1 in the width direction along the central axis of the case 1 in the width direction as a symmetry axis.
In this embodiment, the connecting holes are distributed at intervals along the height direction of the box body 1 in the box body 1, and when the battery pack is connected with the battery cluster frame, the prepared supporting plate is detachably connected with the connecting holes on the box body and the battery cluster frame respectively, so that the connection between the battery pack and the battery cluster frame is realized.
Example 3
As shown in fig. 3, this embodiment is basically the same as embodiment 1, except that the second beam 3 may also be an L-shaped support plate, where the vertical portion of the support plate is attached to the outer side of the battery module, the end plate of the battery module is located on the horizontal portion 14 of the support plate, the horizontal portion 14 of the support plate abuts against the inner side of the annular side plate of the case 1, the support plate is welded to the inner side of the bottom of the case 1, and the welding spot is located in the space enclosed by the support plate, the inner side of the bottom of the case 1, and the inner side of the annular side of the case 1, so as to effectively prevent the welding spot from scratching the outer surface of the battery module.
Example 4
As shown in fig. 5 and 6, this embodiment is basically the same as embodiment 1, except that the inner side of the case 1 is connected with a shielding plate 18 corresponding to the via hole 5, the shielding plate 18 includes a shielding portion 19 and vertical portions 20 connected to two ends of the shielding portion 19 and on the same side, the inner side of the case 1 is connected with a supporting frame 21, one end inner side of the supporting frame 21 is connected with a spring 22, one end of the spring 22, which is far away from the spring 22 and connected with the supporting frame 21, is connected with the vertical portion 20, the inner side of the vertical portion 20 is opposite to the outer side of the reinforcing ring 7, the length of the upper end of the vertical portion 20 is greater than the length of the lower end of the vertical portion 20, the upper end and the lower end of the shielding portion 19 are located between the upper end and the lower end of the via hole 5, the shielding portion 19 forms an included angle with the case 1, and a plurality of guide grooves 23 forming an included angle with the inner side of the case 1 are arranged at intervals on a surface of the shielding portion 19, which is close to the inner side of the case 1.
In this embodiment, shielding part 19 and vertical portion 20 cooperation effect can be spacing to the range that the lifting hook of hoist and mount battery package stretches into in box 1, effectively prevents that the lifting hook from appearing to the touching or scratch's of box 1 internal part, can not continue to stretch into forward and next door after passing through hole 5, but fast with box 1 abundant contact, and then can stably snatch the box when snatching box 1, finally stably hoist and mount battery package.
In this embodiment, the length of the upper end of the vertical portion 20 is greater than the length of the lower end of the vertical portion 20, so that the shielding portion 19 is inclined relative to the inner side surface of the box body 1, an included angle is formed between the shielding portion 19 and the box body 1, the vertical portion 20 is connected with the spring 22, when wind enters the box body 1 through the through hole 5, the wind blows to the guide groove 23, the force of the wind and the guide groove 23 cooperate, so that the shielding portion 19 moves downwards, the spring 22 is driven to stretch, the distance between the upper end of the shielding portion 19 and the inner side surface of the box body 1 is increased, the opening of the wind at the position of the through hole 5 is increased, the wind quantity entering the box body 1 is increased, and the distance between the upper end of the shielding portion 19 and the inner side surface of the box body 1 can be automatically adjusted through the wind.
In this embodiment, the shielding portion 19 forms an included angle with the case 1, and the spring 22 is connected with the vertical portion 20, so that the shielding portion 19 can move towards the bottom of the case 1 and the inner side surface of the case 1 opposite to the reinforcing ring 7 under the action of external force, and after the larger lifting hook passes through the through hole 5, the shielding portion 19 can be pushed to move towards the inside of the case 1, so that enough space is reserved for the lifting hook to contact with the case 1, i.e. the case 1 can be lifted by the lifting hooks with different sizes.
The above embodiments are only preferred embodiments of the present application, and the scope of the present application is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present application are intended to be within the scope of the present application as claimed.
Claims (10)
1. The utility model provides a battery box, includes box, its characterized in that: be equipped with first crossbeam and the second crossbeam that is used for fixed battery module on the bottom half medial surface, be equipped with a plurality of longeron all being connected with first crossbeam, second crossbeam along first crossbeam length direction interval between first crossbeam and the second crossbeam, be equipped with the via hole that is used for hoist and mount box and ventilation and heat dissipation on the box side.
2. The battery box according to claim 1, wherein: the longitudinal beam is provided with a U-shaped through groove, and an opening corresponding to the inner side surface of the bottom of the through groove is opposite to the inner side surface of the bottom of the box body.
3. The battery box according to claim 1, wherein: the inner side surface of the box body is provided with a reinforcing ring which corresponds to the through hole and is positioned at the outer ring of the through hole.
4. A battery compartment as claimed in claim 3, wherein: the inner side surface of the box body is connected with a baffle corresponding to the through hole.
5. The battery box according to claim 4, wherein: the baffle includes first connecting portion and is located the second connecting portion of first connecting portion both ends and homonymy respectively, first connecting portion is located between via hole upper end and the lower extreme, second connecting portion medial surface and the laminating of strengthening ring lateral surface, second connecting portion lateral surface is connected with the third connecting portion of being connected with the box medial surface.
6. The battery box according to claim 1, wherein: two opposite side surfaces of the box body are provided with hanging lugs.
7. The battery box according to claim 6, wherein: the hanger comprises a fixing part connected with the outer side face of the box body and a transverse straight part connected with the fixing part and symmetrically arranged along the central axis of the length direction of the fixing part in a symmetrical axis mode, wherein the transverse straight part is provided with a U-shaped groove, and the outer side face of the transverse straight part and the side face of the box body in the width direction are on the same horizontal plane.
8. The battery box according to claim 1, wherein: the side face of the box body in the width direction is symmetrically provided with a plurality of connecting holes along the central axis of the box body in the width direction.
9. The battery box according to claim 1, wherein: the box includes first backup pad and the second backup pad of being connected with first backup pad, first crossbeam, second crossbeam and longeron are all connected with first backup pad.
10. A battery pack, characterized in that: a battery compartment comprising the battery of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310675604.5A CN116826276B (en) | 2023-06-08 | 2023-06-08 | Battery box and battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310675604.5A CN116826276B (en) | 2023-06-08 | 2023-06-08 | Battery box and battery pack |
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| CN116826276B CN116826276B (en) | 2024-07-02 |
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| Publication number | Publication date |
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| CN116826276B (en) | 2024-07-02 |
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