CN116315343B - New energy vehicle aluminum alloy section bar battery box - Google Patents
New energy vehicle aluminum alloy section bar battery box Download PDFInfo
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- CN116315343B CN116315343B CN202310481021.9A CN202310481021A CN116315343B CN 116315343 B CN116315343 B CN 116315343B CN 202310481021 A CN202310481021 A CN 202310481021A CN 116315343 B CN116315343 B CN 116315343B
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- liquid storage
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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
- 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
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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
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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
- H01M10/65—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
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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
- 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
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/222—Inorganic material
- H01M50/224—Metals
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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
- 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
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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
- 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
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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
- 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
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- 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)
- Aviation & Aerospace Engineering (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
Abstract
The application relates to the technical field of fuel cells, in particular to a new energy vehicle aluminum alloy section bar battery box, which comprises an outer mounting shell, wherein an inner mounting shell is arranged on the inner side of the outer mounting shell, and a plurality of battery packs are arranged in the inner mounting shell at intervals; a first cooling structure for cooling the battery packs is arranged on the inner side of the inner mounting shell and between the adjacent battery packs; a damping structure for damping the inner mounting shell is arranged between the outer mounting shell and the inner mounting shell; and a second cooling structure for cooling the inner mounting shell is arranged in the outer mounting shell. During operation, the battery pack can be cooled by the aid of the first cooling structure and the second cooling structure. Meanwhile, the battery pack can be damped through the damping component, and the battery pack fault is avoided.
Description
Technical Field
The application relates to the technical field of fuel cells, in particular to a new energy vehicle aluminum alloy section bar battery box.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel automobile-mounted power device) and integrates the advanced technology in the aspects of power control and driving of the automobile, and the formed technical principle is advanced, and the automobile has a new technology and a new structure.
The energy source adopted by the new energy automobile in the prior art is generally a storage battery. While new energy automobiles have been faced with a problem, namely spontaneous ignition of the batteries. In 2022, the new energy fire accident data show that the number of fire accidents caused by spontaneous combustion of the battery is far higher than the number of spontaneous combustion of the accident when 640 fires are generated in a new energy automobile in a quarter.
In the production process of the battery, in order to avoid spontaneous combustion of the battery, the battery is generally cooled by arranging a cooling structure, so that the temperature rise and spontaneous combustion of the battery are avoided. However, this method does not cool the outside of the battery case, and therefore, the entire battery cannot be cooled, and the cooling effect is not ideal. Secondly, in the course of the battery in operation, except long-time work causes the temperature to rise, and the vehicle can also receive certain vibrations in the in-process of traveling, can make the inside certain trouble that can appear of group battery in the vibrations in-process, and then lead to the battery to rise in temperature, spontaneous combustion, and in this process, prior art's cooling structure can not prevent or avoid this kind of temperature to rise the condition.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides the aluminum alloy section bar battery box of the new energy vehicle, and the battery pack can be cooled by matching with the first cooling structure and the second cooling structure when in operation. Meanwhile, the battery pack can be damped through the damping component, and the battery pack fault is avoided.
(II) technical scheme
In order to achieve the above purpose, the embodiment of the application provides a new energy vehicle aluminum alloy section bar battery box, which comprises an outer mounting shell, wherein an inner mounting shell is arranged on the inner side of the outer mounting shell, and a plurality of battery packs are arranged in the inner mounting shell at intervals; a first cooling structure for cooling the battery packs is arranged on the inner side of the inner mounting shell and between the adjacent battery packs; a damping structure for damping the inner mounting shell is arranged between the outer mounting shell and the inner mounting shell; and a second cooling structure for cooling the inner mounting shell is arranged in the outer mounting shell.
Preferably, a mounting opening is formed on the upper side of the outer mounting shell, and a mounting cover is arranged at the mounting opening; a baffle plate is arranged in the outer mounting shell and positioned at one side far away from the mounting opening, a mounting cavity for mounting the inner mounting shell is formed at the upper side of the baffle plate, and a buffer cavity is formed at the lower side of the baffle plate; the baffle is provided with a plurality of communication ports at intervals, and each communication port is respectively provided with the damping structure.
Preferably, the damping structure comprises an abutting ring fixed in the communication port and an outer sleeve fixed at the bottom of the inner mounting shell, and a first compression spring is arranged between the outer sleeve and the abutting ring; an inner sleeve is arranged in the outer sleeve; the first compression spring is sleeved on the outer side of the inner sleeve, one end of the first compression spring is abutted against the bottom of the outer sleeve, and the other end of the first compression spring is abutted against the abutting ring; a connecting cover is arranged at one end of the inner sleeve, which is far away from the outer sleeve, and a sliding connection hole is formed in the middle of the connecting cover; the bottom of the buffer cavity is provided with a protruding mounting table, the middle part of the mounting table is provided with a threaded hole, a supporting screw rod is connected in the threaded hole in a threaded manner, and one end of the supporting screw rod, which is far away from the mounting table, penetrates through the sliding connection hole and is positioned in the inner sleeve; the support screw is located one end inside the inner sleeve is provided with spacing cap, the outside of support screw is provided with second compression spring, second compression spring is located inside the inner sleeve, and one end butt in spacing cap is last, the other end butt in on the connecting cover.
Preferably, the second cooling structure includes a resilient seal assembly disposed between the outer mounting housing and the inner mounting housing; the elastic sealing assembly forms a relatively sealed cooling chamber on one side of the mounting cavity, which is close to the buffer cavity, and cooling liquid for cooling the inner mounting shell is arranged in the cooling chamber and the buffer cavity; the inner sleeve is in inner sliding contact with the abutting ring, communication grooves are formed in the outer side of the inner sleeve at intervals along the vertical direction, when no vibration or vibration amplitude is smaller than a set value, the upper end of the communication groove is communicated with the cooling chamber, and the lower end of the communication groove is communicated with the buffer cavity; when the downward vibration amplitude is larger than a set value, the upper end of the communication groove is positioned in the abutting ring; an interlayer is arranged on the outer side of the outer mounting shell, a first liquid storage chamber is formed in the interlayer, and cooling liquid is arranged in the first liquid storage chamber; the buffer device comprises a first liquid storage chamber, a buffer cavity and a cooling chamber, wherein a first connecting pipe is arranged between the first liquid storage chamber and the buffer cavity, a first one-way valve leading to the first liquid storage chamber from the buffer cavity is arranged on the first connecting pipe, a second connecting pipe is arranged between the first liquid storage chamber and the cooling chamber, and a second one-way valve leading to the cooling chamber from the first liquid storage chamber is arranged on the second connecting pipe.
Preferably, a guide assembly for sliding guide along the vertical direction is arranged between the outer mounting shell and the inner mounting shell.
Preferably, the guide assembly comprises a guide block fixed on the inner side of the outer installation shell, and a vertical guide groove is formed in the guide block; the outside of interior installation casing is provided with the deflector, the deflector is vertical to be set up, just the deflector gomphosis in the guide way, just in guide way sliding connection.
Preferably, the elastic sealing assembly comprises a first installation ring plate fixed on the inner side of the outer installation shell, a second installation ring plate fixed on the outer side of the inner installation shell and an elastic ring plate, the outer side edge of the elastic ring plate is fixedly connected with the first installation ring plate through bolts, and the inner side edge of the elastic ring plate is fixedly connected with the second installation ring plate through bolts.
Preferably, the first cooling structure comprises a coil pipe arranged between the first cooling structure and a plurality of battery packs, a second liquid storage chamber is arranged on the outer mounting shell, a water inlet pipe and a water return pipe are arranged between the coil pipe and the second liquid storage chamber, and a circulating pump is arranged on the water inlet pipe; the water inlet pipe and the water return pipe are provided with buffer pipe sections between the inner installation shell and the outer installation shell.
(III) beneficial effects
The application provides a new energy vehicle aluminum alloy section bar battery box, which can be matched with a first cooling structure and a second cooling structure to cool a battery pack during working. Meanwhile, the battery pack can be damped through the damping component, and the battery pack fault is avoided. Meanwhile, through the baffle that sets up, form the cushion chamber in the baffle downside, at the shock attenuation in-process, can play supplementary absorbing effect through the coolant liquid of cushion intracavity, when playing supplementary shock attenuation effect, shock-absorbing structure extrudees the coolant liquid of cushion intracavity for the coolant liquid circulates at cushion chamber, first reservoir, cooling chamber, realizes not having extra electric drive coolant liquid circulation, realizes simultaneously the cooling to interior installation casing.
Drawings
FIG. 1 is a schematic structural view of an aluminum alloy section battery box of a new energy vehicle;
FIG. 2 is a partial schematic view of an aluminum alloy section battery box of a new energy vehicle;
FIG. 3 is a schematic view of a protruding shock absorbing structure in an aluminum alloy section battery case of a new energy vehicle;
fig. 4 is a schematic view of a first cooling structure protruding from an aluminum alloy section battery box of a new energy vehicle.
The reference numerals in the drawings:
100. an outer mounting housing; 110. a mounting port; 120. a mounting cover; 130. a partition plate; 131. a communication port; 140. a mounting cavity; 141. a cooling chamber; 150. a buffer chamber; 200. an inner mounting housing; 300. a battery pack; 400. a first cooling structure; 410. a coiled pipe; 420. a second reservoir; 430. a water inlet pipe; 440. a water return pipe; 450. a circulation pump; 500. a shock absorbing structure; 510. an abutment ring; 520. an outer sleeve; 530. a first compression spring; 540. an inner sleeve; 541. a communication groove; 550. a connection cover; 551. a slip joint hole; 560. a mounting table; 561. a threaded hole; 570. a support screw; 571. a limit cap; 580. a second compression spring; 600. a second cooling structure; 610. an elastic sealing assembly; 611. a first mounting ring plate; 612. a second mounting ring plate; 613. an elastic ring plate; 620. an interlayer; 630. a first reservoir; 631. an air duct; 632. a liquid adding tube; 633. a control valve; 640. a first connection pipe; 641. a first one-way valve; 650. a second connection pipe; 651. a second one-way valve; 700. a guide assembly; 710. a guide block; 720. and a guide plate.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
The application provides a new energy vehicle aluminum alloy section bar battery box, referring to fig. 1-4, comprising an outer mounting shell 100, wherein an inner mounting shell 200 is arranged on the inner side of the outer mounting shell 100, and a plurality of battery packs 300 are arranged in the inner mounting shell 200 at intervals; a first cooling structure 400 for cooling the battery packs 300 is provided inside the inner mounting case 200 between the adjacent battery packs 300; a shock-absorbing structure 500 for shock-absorbing the inner mounting case 200 is provided between the outer mounting case 100 and the inner mounting case 200; a second cooling structure 600 for cooling the inner mounting case 200 is provided in the outer mounting case 100.
Wherein, the upper side of the outer installation shell 100 is formed with an installation opening 110, and an installation cover 120 is arranged at the installation opening 110; the inner mounting case 200 is placed inward through the mounting port 110.
A partition 130 is provided in the outer mounting case 100 at a side far from the mounting port 110, a mounting chamber 140 for mounting the inner mounting case 200 is formed at an upper side of the partition 130, and a buffer chamber 150 is formed at a lower side of the partition 130.
The partition 130 is provided with a plurality of communication ports 131 at intervals, and each communication port 131 is provided with a damping structure 500. The inner mounting case 200 is damped by the damping structure 500 provided, and thus vibration of the battery pack 300 is reduced.
The shock absorbing structure 500 includes an abutment ring 510 fixed in the communication port 131, an outer sleeve 520 fixed to the bottom of the inner mounting housing 200, and a first compression spring 530 provided between the outer sleeve 520 and the abutment ring 510.
An inner sleeve 540 is disposed within the outer sleeve 520; the first compression spring 530 is sleeved outside the inner sleeve 540, one end of the first compression spring is abutted against the bottom of the outer sleeve 520, and the other end of the first compression spring is abutted against the abutting ring 510.
The inner sleeve 540 is provided with a connection cap 550 at one end far from the outer sleeve 520, and a sliding connection hole 551 is formed in the middle of the connection cap 550.
The bottom of the buffer cavity 150 is formed with a protruding mounting table 560, a threaded hole 561 is formed in the middle of the mounting table 560, a supporting screw 570 is connected in the threaded hole 561 in a threaded manner, and one end of the supporting screw 570, which is far away from the mounting table 560, passes through the sliding connection hole 551 and is positioned in the inner sleeve 540; when the connection cover 550 is opened, the supporting screw 570 passes through the connection hole and is connected to the screw hole 561.
The support screw 570 is provided with spacing cap 571 in the inside one end of inner skleeve 540, and the outside of support screw 570 is provided with second compression spring 580, and second compression spring 580 is located the inside of inner skleeve 540, and one end butt is on spacing cap 571, and the other end butt is on connecting cover 550.
The second cooling structure 600 includes an elastic sealing assembly 610 disposed between the outer mounting case 100 and the inner mounting case 200. The elastic sealing assembly 610 forms a relatively sealed cooling chamber 141 at a side of the mounting chamber 140 adjacent to the buffer chamber 150, and a cooling liquid for cooling the inner mounting case 200 is provided in the cooling chamber 141 and the buffer chamber 150.
The inner sleeve 540 is in sliding contact with the inner side of the abutting ring 510, a communication groove 541 is formed at a vertical interval on the outer side of the inner sleeve 540, and when no vibration or the vibration amplitude is smaller than a set value, the upper end of the communication groove 541 is communicated with the cooling chamber 141, and the lower end is communicated with the buffer chamber 150; when the downward vibration amplitude is greater than the set value, the upper end of the communication groove 541 is located in the abutment ring 510. That is, when no vibration occurs, the cooling liquid is present in the buffer chamber 150, and the liquid surface of the cooling liquid in the cooling chamber 141 is higher than the bottom of the inner mounting case 200, so that the inner mounting case 200 can be cooled, and the cooling effect of the battery case can be improved.
An interlayer 620 is provided on the outer side of the outer mounting case 100, a first liquid storage chamber 630 is formed in the interlayer 620, and a cooling liquid is provided in the first liquid storage chamber 630; a first connection pipe 640 is arranged between the first liquid storage chamber 630 and the buffer chamber 150, a first check valve 641 which is communicated with the first liquid storage chamber 630 from the buffer chamber 150 is arranged on the first connection pipe 640, a second connection pipe 650 is arranged between the first liquid storage chamber 630 and the cooling chamber 141, and a second check valve 651 which is communicated with the cooling chamber 141 from the first liquid storage chamber 630 is arranged on the second connection pipe 650.
An air duct 631 and an air duct 632 are provided outside the first reservoir 630, and a control valve 633 is provided to each of the air duct 632 and the air duct 631. During operation, the control valve 633 is closed and the first reservoir 630 is in a closed environment.
When receiving vibrations, inner sleeve 540 is under inertial action, and when moving down, first damping spring plays the shock attenuation effect, and simultaneously, inner sleeve 540 moves down in-process, extrudees the coolant liquid in the buffer chamber 150, and in this moment, the coolant liquid plays the shock attenuation effect to inner sleeve 540, and in the coolant liquid extrusion buffer chamber 150 in-process for buffer chamber 150 internal pressure grow, at this moment, the coolant liquid can enter into first liquid storage chamber 630 through first check valve 641 of first connecting pipe 640, when first liquid storage chamber 630 internal pressure grow, the coolant liquid accessible second check valve 651 on the second connecting pipe 650 enters into cooling chamber 141. In this process, the shock absorption to the inner mounting case 200 can be improved, and at the same time, the cooling effect to the inner mounting case 200 can be improved.
The elastic sealing assembly 610 includes a first mounting ring plate 611 fixed to the inner side of the outer mounting housing 100, a second mounting ring plate 612 fixed to the outer side of the inner mounting housing 200, and an elastic ring plate 613, the outer side of the elastic ring plate 613 is fixedly connected with the first mounting ring plate 611 through bolts, and the inner side of the elastic ring plate 613 is fixedly connected with the second mounting ring plate 612 through bolts.
A guide assembly 700 slidably guiding in the vertical direction is provided between the outer and inner mounting cases 100 and 200.
The guide assembly 700 includes a guide block 710 fixed to the inner side of the outer installation housing 100, and a vertical guide groove is formed in the guide block 710; the outer side of the inner mounting shell 200 is provided with a guide plate 720, the guide plate 720 is vertically arranged, and the guide plate 720 is embedded in the guide groove and is in sliding connection with the guide groove.
The first cooling structure 400 includes a coil pipe 410 disposed between the plurality of battery packs 300, a second liquid storage chamber 420 disposed on the outer mounting case, a water inlet pipe 430 and a water return pipe 440 disposed between the coil pipe 410 and the second liquid storage chamber 420, and a circulation pump 450 disposed on the water inlet pipe 430; the water inlet pipe 430 and the water return pipe 440 are provided with a buffer pipe section between the inner and outer installation casings 200 and 100.
The application provides a new energy vehicle aluminum alloy section bar battery box, which can be matched with a first cooling structure 400 and a second cooling structure 600 to cool a battery pack 300 during operation. Meanwhile, the battery pack 300 can be damped through the damping assembly, and the battery pack 300 is prevented from being broken down. Meanwhile, through the baffle 130 that sets up, form the buffer chamber 150 in baffle 130 downside, in the shock attenuation in-process, can play supplementary absorbing effect through the coolant liquid in the buffer chamber 150, when playing supplementary shock attenuation effect, the shock-absorbing structure 500 extrudees the coolant liquid in the buffer chamber 150 for the coolant liquid circulates at buffer chamber 150, first reservoir 630, cooling chamber 141, realizes no extra electric drive coolant liquid circulation, realizes simultaneously the cooling to interior installation casing 200.
In the description of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," "rear," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between the two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art. Embodiments of the application and features of the embodiments may be combined with each other without conflict.
The foregoing examples merely illustrate embodiments of the application and are described in more detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (5)
1. The utility model provides a new forms of energy car aluminum alloy section bar battery case which characterized in that: the battery pack comprises an outer mounting shell (100), wherein an inner mounting shell (200) is arranged on the inner side of the outer mounting shell (100), and a plurality of battery packs (300) are arranged in the inner mounting shell (200) at intervals;
a first cooling structure (400) for cooling the battery packs (300) is arranged inside the inner mounting shell (200) and between the adjacent battery packs (300);
a shock absorption structure (500) for absorbing shock of the inner mounting shell (200) is arranged between the outer mounting shell (100) and the inner mounting shell (200);
a second cooling structure (600) for cooling the inner mounting shell (200) is arranged in the outer mounting shell (100);
a mounting opening (110) is formed on the upper side of the outer mounting shell (100), and a mounting cover (120) is arranged at the mounting opening (110);
a partition plate (130) is arranged in the outer mounting shell (100) and positioned at one side far away from the mounting opening (110), a mounting cavity (140) for mounting the inner mounting shell (200) is formed at the upper side of the partition plate (130), and a buffer cavity (150) is formed at the lower side of the partition plate (130);
a plurality of communication ports (131) are formed in the partition plate (130) at intervals, and each communication port (131) is provided with the damping structure (500) respectively;
the damping structure (500) comprises an abutting ring (510) fixed in the communication port (131) and an outer sleeve (520) fixed at the bottom of the inner mounting shell (200), and a first compression spring (530) is arranged between the outer sleeve (520) and the abutting ring (510);
an inner sleeve (540) is arranged in the outer sleeve (520); the first compression spring (530) is sleeved outside the inner sleeve (540), one end of the first compression spring is abutted to the bottom of the outer sleeve (520), and the other end of the first compression spring is abutted to the abutting ring (510);
a connecting cover (550) is arranged at one end of the inner sleeve (540) far away from the outer sleeve (520), and a sliding connection hole (551) is formed in the middle of the connecting cover (550);
a protruding mounting table (560) is formed at the bottom of the buffer cavity (150), a threaded hole (561) is formed in the middle of the mounting table (560), a supporting screw (570) is connected with the threaded hole (561) in a threaded manner, and one end, far away from the mounting table (560), of the supporting screw (570) penetrates through the sliding connection hole (551) and is located in the inner sleeve (540);
one end of the supporting screw rod (570) positioned in the inner sleeve (540) is provided with a limiting cap (571), the outer side of the supporting screw rod (570) is provided with a second compression spring (580), the second compression spring (580) is positioned in the inner sleeve (540), one end of the second compression spring is abutted to the limiting cap (571), and the other end of the second compression spring is abutted to the connecting cover (550);
the second cooling structure (600) comprises an elastic sealing assembly (610) arranged between the outer mounting housing (100) and the inner mounting housing (200);
the elastic sealing assembly (610) forms a relatively sealed cooling chamber (141) on one side of the mounting cavity (140) close to the buffer cavity (150), and cooling liquid for cooling the inner mounting shell (200) is arranged in the cooling chamber (141) and the buffer cavity (150);
the inner sleeve (540) is in sliding contact with the inner side of the abutting ring (510), communication grooves (541) are formed in the outer side of the inner sleeve (540) at intervals along the vertical direction, when no vibration or vibration amplitude is smaller than a set value, the upper end of the communication groove (541) is communicated with the cooling chamber (141), and the lower end of the communication groove is communicated with the buffer cavity (150); when the downward vibration amplitude is larger than a set value, the upper end of the communication groove (541) is positioned in the abutting ring (510);
an interlayer (620) is arranged on the outer side of the outer mounting shell (100), a first liquid storage chamber (630) is formed in the interlayer (620), and cooling liquid is arranged in the first liquid storage chamber (630); a first connecting pipe (640) is arranged between the first liquid storage chamber (630) and the buffer cavity (150), a first one-way valve (641) leading to the first liquid storage chamber (630) from the buffer cavity (150) is arranged on the first connecting pipe (640), a second connecting pipe (650) is arranged between the first liquid storage chamber (630) and the cooling chamber (141), and a second one-way valve (651) leading to the cooling chamber (141) from the first liquid storage chamber (630) is arranged on the second connecting pipe (650).
2. The new energy vehicle aluminum alloy section bar battery box according to claim 1, wherein: a guide assembly (700) which performs sliding guide along the vertical direction is arranged between the outer mounting shell (100) and the inner mounting shell (200).
3. The new energy vehicle aluminum alloy section bar battery box according to claim 2, wherein: the guide assembly (700) comprises a guide block (710) fixed on the inner side of the outer mounting shell (100), and a vertical guide groove is formed in the guide block (710); the outside of interior installation casing (200) is provided with deflector (720), deflector (720) vertical setting, just deflector (720) gomphosis in the guide way, just in guide way sliding connection.
4. The new energy vehicle aluminum alloy section bar battery box according to claim 1, wherein: the elastic sealing assembly (610) comprises a first installation annular plate (611) fixed on the inner side of the outer installation shell (100), a second installation annular plate (612) fixed on the outer side of the inner installation shell (200) and an elastic annular plate (613), the outer side edge of the elastic annular plate (613) is fixedly connected with the first installation annular plate (611) through bolts, and the inner side edge of the elastic annular plate (613) is fixedly connected with the second installation annular plate (612) through bolts.
5. The new energy vehicle aluminum alloy section bar battery box according to claim 1, wherein: the first cooling structure (400) comprises a coil pipe (410) arranged between the plurality of battery packs (300), a second liquid storage chamber (420) is arranged on the outer mounting shell, a water inlet pipe (430) and a water return pipe (440) are arranged between the coil pipe (410) and the second liquid storage chamber (420), and a circulating pump (450) is arranged on the water inlet pipe (430); the water inlet pipe (430) and the water return pipe (440) are provided with buffer pipe sections between the inner mounting shell (200) and the outer mounting shell (100).
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| CN116315343A (en) | 2023-06-23 |
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