CN118117232A - High-strength anti-seismic new energy lithium battery box - Google Patents

High-strength anti-seismic new energy lithium battery box Download PDF

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Publication number
CN118117232A
CN118117232A CN202410266921.6A CN202410266921A CN118117232A CN 118117232 A CN118117232 A CN 118117232A CN 202410266921 A CN202410266921 A CN 202410266921A CN 118117232 A CN118117232 A CN 118117232A
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CN
China
Prior art keywords
lithium battery
fixedly connected
connecting rod
battery module
mouth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410266921.6A
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Chinese (zh)
Inventor
施敏
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Jiangsu Shenwei New Energy Technology Co ltd
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Jiangsu Shenwei New Energy Technology Co ltd
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Application filed by Jiangsu Shenwei New Energy Technology Co ltd filed Critical Jiangsu Shenwei New Energy Technology Co ltd
Priority to CN202410266921.6A priority Critical patent/CN118117232A/en
Publication of CN118117232A publication Critical patent/CN118117232A/en
Pending legal-status Critical Current

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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
    • 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
    • H01M10/62—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
    • 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
    • H01M50/249—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
    • 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
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to the technical field of battery boxes, in particular to a high-strength anti-vibration new energy lithium battery box which comprises a high-strength box body, wherein a lithium battery module is movably connected inside the high-strength box body, a box cover is arranged at the top of the high-strength box body through screws, two mouth-shaped fixing frames which are symmetrically distributed up and down in the center of the lithium battery module are sleeved outside the lithium battery module, and the inner wall of the mouth-shaped fixing frames is fixedly connected with the outer wall of the lithium battery module. According to the invention, through the connecting rod structures of the first connecting rod and the second connecting rod, when the buffer structure is pressed, the second connecting rod can push the limit sliding block to slide for a longer distance along the limit sliding groove, the spring is arranged on the side surface of the lithium battery module and is not directly arranged at the top or the bottom of the lithium battery module, and enough space is reserved on the side surface for installing the longer spring, so that the buffer effect can be improved.

Description

High-strength anti-seismic new energy lithium battery box
Technical Field
The invention relates to the technical field of battery boxes, in particular to a high-strength anti-seismic new energy lithium battery box.
Background
The electric automobile is a new energy automobile using electric power as a power source, the storage battery is an indispensable part of the electric automobile, the storage battery can be installed on the new energy automobile only through the battery box, but the existing battery box can generate severe vibration when the new energy automobile runs on a bumpy road section, and the service life of the storage battery can be prolonged.
In the prior art, springs are adopted as buffer structures, meanwhile, the damping rods are matched for energy absorption, the springs are generally arranged around the lithium battery in an installation mode, the springs are directly and vertically connected with the box body, the buffer is carried out through the springs, the buffer distance is the length of the springs, in order to obtain better buffer, the springs are required to be lengthened, the box body is much larger than the lithium battery pack to accommodate the longer springs, and the damping structure can only be used for energy absorption and has a single function.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a high-strength anti-seismic new energy lithium battery box.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a high strength antidetonation formula new forms of energy lithium cell box, includes the high strength box, the inside swing joint of high strength box has the lithium cell module, the top of high strength box is installed through the screw and is had the case lid, the outside cover of lithium cell module is equipped with two and is equipped with the fixed frame of shape of mouth with the upper and lower symmetric distribution of lithium cell module center, the inner wall of fixed frame of shape of mouth and the outer wall fixed connection of lithium cell module, every four spacing spouts have all been seted up on the fixed frame of shape of mouth, four spacing spout pairwise symmetric distribution, every the spring is all installed to the inside of spacing spout, every shape of mouth all installs two buffer structures with spring coupling on the fixed frame of shape of mouth, the both sides all are provided with two energy-absorbing structures around the lithium cell module, the energy-absorbing structure of front end is connected with the fixed frame of shape of mouth of bottom, and the energy-absorbing structure of rear end is connected with the fixed frame of shape of mouth at top; the buffer structure comprises a fixed shaft and a base plate, wherein the fixed shaft is fixedly connected with the outer wall of the lithium battery module, the two ends of the fixed shaft are respectively and rotatably connected with a first connecting rod, one end of each first connecting rod, far away from the fixed shaft, is respectively and rotatably connected with a second connecting rod through a rotating shaft, the top of the base plate is fixedly connected with two limiting plates, a waist-shaped hole which is horizontally arranged is formed in each limiting plate, the inner wall of each waist-shaped hole is slidably connected with the rotating shaft at the end of each second connecting rod, one end of each second connecting rod, far away from the first connecting rod, is rotatably connected with a limiting slide block, the outer wall of each limiting slide block is slidably connected with the inner wall of each limiting slide groove, one side of each limiting slide block is fixedly connected with the end of each spring, the top of each limiting slide block is fixedly connected with a rack, and a movable groove for the rack to move is formed in each mouth-shaped fixing frame; the energy-absorbing structure comprises a ratchet gear, a transmission structure, a counterweight rotor and a fan, wherein the ratchet gear, the transmission structure and the counterweight rotor are all arranged outside the mouth-shaped fixed frame, the ratchet gear is meshed with the rack, the ratchet gear is in transmission connection with the counterweight rotor through the transmission structure, a central shaft of the counterweight rotor is fixedly connected with the center of the fan, and an exhaust port and an air inlet are respectively formed in the front end and the rear end of the high-strength box body.
In the high-strength shock-resistant new energy lithium battery box, each ratchet gear drives the ratchet gear to integrally rotate only when the spring is reset, and the ratchet wheel inside the ratchet gear is meshed with the pawl and is pushed by the pawl to rotate.
In the high-strength anti-seismic new energy lithium battery box, one end of the second connecting rod, which is far away from the first connecting rod, is fixedly connected with a movable shaft, the second connecting rod is rotationally connected with the limiting slide block through the movable shaft, the outer walls of the two sides of the limiting slide block are fixedly connected with limiting blocks, side grooves are formed in the inner walls of the two sides of the limiting slide groove, and the inner walls of the side grooves are in sliding connection with the movable shaft and the outer walls of the limiting blocks.
In the high-strength anti-vibration new energy lithium battery box, the inner wall of the transmission structure is rotationally connected with the large gear and the small gear, the outer wall of the large gear is meshed with the outer wall of the small gear, the ratchet gear and the center of the counterweight rotor are fixedly connected with the belt pulley, the first belt and the second belt are further arranged in the transmission structure, the large gear is rotationally connected with the ratchet gear through the belt pulley and the first belt, and the small gear is in transmission connection with the counterweight rotor through the belt pulley and the second belt.
In the high-strength anti-seismic new energy lithium battery box, the first support is fixedly connected to the bottom of the transmission structure, the transmission structure is fixedly connected with the mouth-shaped fixing frame through the first support, the second support is rotationally connected to the rotating shaft of the counterweight rotor, and the counterweight rotor is fixedly connected with the mouth-shaped fixing frame through the second support.
In the high-strength anti-seismic new energy lithium battery box, the rubber strip is arranged on the inner wall of one end, close to the spring, of the limiting sliding groove, the mounting hole for mounting the rubber strip is formed in the inner wall of one end, close to the spring, of the limiting sliding groove, and one end of the rubber strip extends to the inside of the spring.
In the high-strength anti-seismic new energy lithium battery box, two pressing blocks matched with the base plate are fixedly connected to the inner portion of the box cover, an upper anti-collision pad is fixedly connected to the bottom of the pressing block, and a lower anti-collision pad is fixedly connected to the bottom of the inner wall of the high-strength box body.
In the high-strength anti-vibration new energy lithium battery box, the lower anti-collision pad is located right below the lithium battery module, and the upper anti-collision pad is located right above the lithium battery module.
Compared with the prior art, the high-strength anti-seismic new energy lithium battery box has the advantages that:
1. Through the buffer structure, the buffer structure is pressed when the lithium battery module vibrates up and down, the fixed shaft and the position of the mouth-shaped fixed frame are fixed, the substrate is close to the lithium battery module, the first connecting rod can rotate outwards along the fixed shaft under the limit of the limiting plate, the second connecting rod can rotate along the end part of the first connecting rod, so that the other end of the first connecting rod pushes the limiting slide block, and the spring is compressed through the limiting slide block.
2. When the spring is compressed by the limiting slide block of the energy absorption structure, the rack outside the limiting slide block can push the outer ring of the ratchet gear to rotate, the pawl inside the ratchet gear is not clamped with the ratchet gear, when the spring is reset, the rack outside the limiting slide block can drive the ratchet gear to integrally rotate, the heavier counterweight rotor rotates under the transmission of the transmission structure, the kinetic energy of the spring during reset is absorbed through the rotation of the counterweight rotor, the reset speed is slowed down, so that the lithium battery module is more stable in oscillation, meanwhile, the counterweight rotor can drive the fan to rotate when rotating, the fan fans can promote the circulation of air inside the high-strength box body to promote the heat dissipation of the high-strength box body, inertia exists after the counterweight rotor rotates, after the spring is completely reset, the counterweight rotor can rotate under the inertia of the counterweight rotor, the ratchet gear is arranged, the inner ring of the ratchet gear continuously rotates, the ratchet gear is not meshed with the pawl, the counterweight rotor can still continuously rotate, the unconstrained, namely the fan can rotate for a longer time, is better effect, wind resistance during rotation, and, during reset, during, during rotation, wind resistance, can also, during reset, can be increased, during the high-strength box body, and in the vibration can be more stable oscillation, can occur;
3. Through the fans, when the fixed frame at the bottom is reset, two fans in front of the lithium battery module can blow out of the high-strength box body, and when the fixed frame at the top is reset, two fans behind the lithium battery module can suck air into the high-strength box body, so that ventilation of air in the high-strength box body can be promoted, and heat dissipation of the lithium battery module is promoted;
4. through the rubber strip that sets up, go up crashproof pad and crashproof pad down, when violent vibration, compress the less rubber strip of deformation volume through spacing slider, play further buffering effect, prevent the excessive compression of spring and damage, go up crashproof pad and crashproof pad down can prevent that lithium cell module from directly bumping the high strength box.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the cover of the present invention with the cover removed;
FIG. 3 is a schematic view of a high strength tank of the present invention in semi-section;
FIG. 4 is a schematic perspective view of the high strength case of the present invention;
Fig. 5 is a schematic perspective view of a case cover according to the present invention;
fig. 6 is a rear view of the lithium battery module of the present invention;
FIG. 7 is a schematic view in partial cross-section of a mouth-shaped fixing frame of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7A in accordance with the present invention;
FIG. 9 is a schematic partial cross-sectional view of the transmission structure of the present invention;
fig. 10 is a cross-sectional view of the limit chute of the present invention.
In the figure: 1. a high strength box; 2. a lithium battery module; 3. a mouth-shaped fixing frame; 4. limiting sliding grooves; 5. a buffer structure; 6. a case cover; 7. an energy absorbing structure; 8. a substrate; 9. a fixed shaft; 10. a first link; 11. a limiting plate; 12. a second link; 13. a limit sliding block; 14. a spring; 15. a rack; 16. a movable groove; 17. a ratchet gear; 18. a transmission structure; 19. a counterweight rotor; 20. a fan; 21. an exhaust port; 22. an air inlet; 23. a movable shaft; 24. a limiting block; 25. a side groove; 26. a large gear; 27. a pinion gear; 28. a belt pulley; 29. a first belt; 30. a second belt; 31. a first bracket; 32. a second bracket; 33. briquetting; 34. an upper crash pad; 35. a lower crash pad; 36. rubber strips.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements 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 invention.
Referring to fig. 1-10, a high-strength anti-vibration new energy lithium battery box comprises a high-strength box body 1, wherein a lithium battery module 2 is movably connected inside the high-strength box body 1, a box cover 6 is arranged at the top of the high-strength box body 1 through screws, two opening-shaped fixing frames 3 which are symmetrically distributed up and down in the center of the lithium battery module 2 are sleeved outside the lithium battery module 2, the inner wall of each opening-shaped fixing frame 3 is fixedly connected with the outer wall of the lithium battery module 2, four limiting sliding grooves 4 are respectively arranged on each opening-shaped fixing frame 3, the four limiting sliding grooves 4 are symmetrically distributed in pairs, springs 14 are respectively arranged inside each limiting sliding groove 4, two buffer structures 5 connected with the springs 14 are respectively arranged on each opening-shaped fixing frame 3, the lithium battery module 2 is provided with two energy absorbing structures 7 on the front side and the rear side, the front end energy absorbing structure 7 is connected with the bottom mouth-shaped fixed frame 3, and the rear end energy absorbing structure 7 is connected with the top mouth-shaped fixed frame 3; as a preferred technical scheme of the invention, the buffer structure 5 comprises a fixed shaft 9 and a base plate 8, the fixed shaft 9 is fixedly connected with the outer wall of the lithium battery module 2, the two ends of the fixed shaft 9 are respectively and rotatably connected with a first connecting rod 10, one end of each first connecting rod 10 far away from the fixed shaft 9 is respectively and rotatably connected with a second connecting rod 12 through a rotating shaft, the top of the base plate 8 is fixedly connected with two limiting plates 11, the limiting plates 11 are provided with waist-shaped holes which are horizontally arranged, the inner wall of each waist-shaped hole is in sliding connection with the rotating shaft at the end of the second connecting rod 12, one end of each second connecting rod 12 far away from the first connecting rod 10 is rotatably connected with a limiting slide block 13, the outer wall of each limiting slide block 13 is in sliding connection with the inner wall of each limiting slide groove 4, one side of the limit slide block 13 is fixedly connected with the end part of the spring 14, the top of the limit slide block 13 is fixedly connected with a rack 15, a movable groove 16 for the rack 15 to move is also formed in the mouth-shaped fixed frame 3, namely, the buffer structure 5 is pressed when the lithium battery module 2 moves upwards or downwards during vibration, the fixed shaft 9 and the mouth-shaped fixed frame 3 are fixed in position, the base plate 8 is close to the lithium battery module 2, the first connecting rod 10 can rotate outwards along the fixed shaft 9 under the limit of the limit plate 11, the second connecting rod 12 can rotate along the end part of the first connecting rod 10, the other end of the first connecting rod 10 pushes the limit slide block 13, the spring 14 is compressed through the limit slide block 13, due to the adoption of the connecting rod structures of the first connecting rod 10 and the second connecting rod 12, when the buffer structure 5 is pressed, the second connecting rod 12 can push the limit sliding block 13 to slide along the limit sliding groove 4 for a longer distance, the spring 14 is arranged on the side surface of the lithium battery module 2 and is not directly arranged at the top or the bottom of the lithium battery module 2, a sufficient space is reserved on the side surface for installing the longer spring 14 so as to improve the buffer effect, when the buffer structure 5 is integrally compressed, the limit sliding block 13 compresses the spring 14, the rack 15 outside the limit sliding block 13 can push the outer ring of the ratchet gear 17 to rotate, the pawl inside the ratchet gear 17 is not clamped with the ratchet, when the spring 14 is reset, the rack 15 outside the limit slider 13 drives the ratchet gear 17 to integrally rotate, the energy absorbing structure 7 is driven to operate through the transmission of the transmission structure 18, the kinetic energy of the spring 14 during reset is absorbed through the operation of the energy absorbing structure 7, and the reset speed is slowed down, so that the lithium battery module 2 is more stable in oscillation; as a preferred technical scheme of the invention, the energy absorbing structure 7 comprises a ratchet gear 17, a transmission structure 18, a counterweight rotor 19 and a fan 20, wherein the ratchet gear 17, the transmission structure 18 and the counterweight rotor 19 are all arranged outside the mouth-shaped fixed frame 3, the ratchet gear 17 is meshed with a rack 15, the ratchet gear 17 is in transmission connection with the counterweight rotor 19 through the transmission structure 18, a central shaft of the counterweight rotor 19 is fixedly connected with the center of the fan 20, the front end and the rear end of the high-strength box body 1 are respectively provided with an air outlet 21 and an air inlet 22, each ratchet gear 17 can drive the ratchet gear 17 to integrally rotate only when the spring 14 is reset, the ratchet wheel inside the ratchet gear 17 is meshed with the pawl, the ratchet wheel is driven by the pawl to rotate, meanwhile, the fan blades on the fan 20 are adaptively adjusted, when the bottom mouth-shaped fixed frame 3 is reset, the two fans 20 in front of the lithium battery module 2 can blow air to the outside of the high-strength box body 1, when the top mouth-shaped fixed frame 3 is reset, the two fans 20 behind the lithium battery module 2 can suck air to the inside of the high-strength box body 1, for part, the transmission structure 18 plays a role in transmission, when the spring 14 is reset, the rack 15 is driven to drive the ratchet gear 17 to rotate integrally, and under the transmission of the transmission structure 18, the heavier counterweight rotor 19 rotates, the kinetic energy of the spring 14 during resetting is absorbed through the rotation of the counterweight rotor 19, the resetting speed is slowed down, so that the lithium battery module 2 is more stable in oscillation, meanwhile, the rotation of the counterweight rotor 19 drives the fan 20 to rotate, the fan 20 fans the air in the high-strength box body 1 to promote the heat dissipation of the high-strength box body 1, the inertia exists after the rotation of the counterweight rotor 19, after the spring 14 is completely reset, the counterweight rotor 19 rotates under the inertia, the ratchet gear 17 is arranged, the inner ring of the ratchet gear 17 continuously rotates, the ratchet wheel is not meshed with the pawl, so that the counterweight rotor 19 can still continuously rotate, without limitation, that is, the fan 20 can rotate for a longer time, so as to achieve a better heat dissipation effect, wherein the wind resistance of the fan 20 during rotation can also increase the resistance of the spring 14 during resetting, so that the high-strength box 1 is more stable in oscillation.
In order to realize the limit of the limit sliding block 13, the limit sliding block 13 can only move linearly along the limit sliding groove 4, the invention adopts the following technical means that one end of the second connecting rod 12 far away from the first connecting rod 10 is fixedly connected with a movable shaft 23, the second connecting rod 12 is rotationally connected with the limit sliding block 13 through the movable shaft 23, the outer walls of the two sides of the limit sliding block 13 are fixedly connected with limit blocks 24, the inner walls of the two sides of the limit sliding groove 4 are provided with side grooves 25, and the inner walls of the side grooves 25 are in sliding connection with the movable shaft 23 and the outer walls of the limit blocks 24.
In order to improve the damping of the spring 14 during resetting and simultaneously enable the balance weight rotor 19 to rotate more circles or rotate faster during resetting, the invention adopts the following technical scheme that the inner wall of the transmission structure 18 is rotationally connected with a large gear 26 and a small gear 27, the outer wall of the large gear 26 is meshed with the outer wall of the small gear 27, the ratchet gear 17 and the center of the balance weight rotor 19 are fixedly connected with a belt pulley 28, a first belt 29 and a second belt 30 are also arranged in the transmission structure 18, the large gear 26 is rotationally connected with the ratchet gear 17 through the belt pulley 28 and the first belt 29, the small gear 27 is in transmission connection with the balance weight rotor 19 through the belt pulley 28 and the second belt 30, the ratchet gear 17 drives the large gear 26 to rotate, the large gear 26 drives the small gear 27 meshed with the large gear 27 to rotate more circles, and the balance weight rotor 19 is driven by the small gear 27 to rotate.
The bottom of the transmission structure 18 is fixedly connected with a first bracket 31, the transmission structure 18 is fixedly connected with the mouth-shaped fixed frame 3 through the first bracket 31, the rotating shaft of the counterweight rotor 19 is rotationally connected with a second bracket 32, and the counterweight rotor 19 is fixedly connected with the mouth-shaped fixed frame 3 through the second bracket 32.
In order to prevent the limit sliding block 13 from colliding with the mouth-shaped fixed frame 3 in severe oscillation, the rubber strip 36 is arranged on the inner wall of one end, which is far away from the limit sliding groove 4 and is close to the spring 14, of the limit sliding groove 4, the mounting hole for mounting the rubber strip 36 is formed on the inner wall of one end, which is close to the spring 14, of the limit sliding groove 4, one end of the rubber strip 36 extends into the spring 14, the rubber strip 36 is arranged to protect the spring 14, and when in severe oscillation, the limit sliding block 13 compresses the rubber strip 36 with smaller deformation quantity to further buffer the spring 14, so that the spring 14 is prevented from being damaged due to excessive compression.
In order to prevent the lithium battery module 2 from directly colliding with the high-strength box 1, the inside fixedly connected with of the case lid 6 two with base plate 8 matched with briquetting 33, the bottom fixedly connected with of briquetting 33 goes up crashproof pad 34, the bottom fixedly connected with of the inner wall of high-strength box 1 down crashproof pad 35 to protect high-strength box 1, wherein, down crashproof pad 35 is located under the lithium battery module 2, goes up crashproof pad 34 and is located directly over the lithium battery module 2.
The following provides a clear and complete explanation of the working principle of the invention: when in use, the lithium battery module 2 is placed in the high-strength box body 1, the box cover 6 is sealed, the pressing block 33 on the box cover 6 is butted with the base plate 8, the lithium battery module 2 is positioned in the middle of the high-strength box body 1 under the support of the buffer structure 5, the buffer structure 5 is pressed when the lithium battery module vibrates up and down, the fixed shaft 9 and the mouth-shaped fixed frame 3 are fixed, the base plate 8 is close to the lithium battery module 2, the first connecting rod 10 can rotate outwards along the fixed shaft 9 under the limit of the limit plate 11, the second connecting rod 12 can rotate along the end part of the first connecting rod 10, so that the other end of the first connecting rod 10 pushes the limit slide block 13, by compressing the spring 14 through the limit slide block 13, due to the adoption of the connecting rod structures of the first connecting rod 10 and the second connecting rod 12, when the buffer structure 5 is compressed, the second connecting rod 12 can push the limit slide block 13 to slide along the limit slide groove 4 for a longer distance, the spring 14 is arranged on the side surface of the lithium battery module 2 and is not directly arranged at the top or the bottom of the lithium battery module 2, the side surface is provided with a long spring 14 with enough space to improve the buffer effect, when the buffer structure 5 is integrally compressed, the limit slide block 13 compresses the spring 14, the rack 15 outside the limit slide block 13 can push the outer ring of the ratchet gear 17 to rotate, the pawl inside the ratchet gear 17 is not clamped with the ratchet, when the spring 14 is reset, the rack 15 outside the limit slider 13 drives the ratchet gear 17 to integrally rotate, the heavier weight rotor 19 rotates under the transmission of the transmission structure 18, the kinetic energy of the spring 14 during reset is absorbed through the rotation of the weight rotor 19, the reset speed is slowed down, so that the lithium battery module 2 is more stable in oscillation, meanwhile, the weight rotor 19 rotates to drive the fan 20 to rotate, the fan 20 fans air inside the high-strength box 1 to promote the heat dissipation of the high-strength box 1, inertia exists after the weight rotor 19 rotates, after the spring 14 is completely reset, the counterweight rotor 19 rotates under the inertia of the spring, the ratchet gear 17 is arranged, the inner ring of the ratchet gear 17 continuously rotates, the ratchet wheel is not meshed with the pawl, the counterweight rotor 19 can still continuously rotate without limitation, namely, the fan 20 can rotate for a longer time, a better heat dissipation effect is achieved, wind resistance of the fan 20 during rotation can also be increased, resistance of the spring 14 during reset can be increased, the high-strength box 1 is more stable in oscillation, when the bottom mouth-shaped fixed frame 3 is reset, the two fans 20 in front of the lithium battery module 2 can blow out of the high-strength box 1, when the top mouth-shaped fixed frame 3 is reset, the two fans 20 at the rear of the lithium battery module 2 can suck air into the high-strength box body 1, so that the circulation of air in the high-strength box body 1 can be promoted, the heat dissipation of the lithium battery module 2 is promoted, and the device is provided with the rubber strip 36, the upper anti-collision pad 34 and the lower anti-collision pad 35, when in severe vibration, the rubber strip 36 with smaller deformation quantity is compressed through the limiting sliding block 13, the further buffering effect is achieved, the spring 14 is prevented from being damaged due to the excessive compression, and the upper anti-collision pad 34 and the lower anti-collision pad 35 can prevent the lithium battery module 2 from directly colliding with the high-strength box body 1.
Further, the above-described fixed connection is to be understood in a broad sense, unless explicitly stated and defined otherwise, as being, for example, welded, glued, or integrally formed, as is well known to those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (2)

1. The utility model provides a high strength antidetonation formula new forms of energy lithium cell case, includes high strength box (1), the inside swing joint of high strength box (1) has lithium cell module (2), case lid (6) are installed through the screw in the top of high strength box (1), its characterized in that: the lithium battery module (2) is sleeved with two mouth-shaped fixing frames (3) which are symmetrically distributed in the center of the lithium battery module (2), the inner wall of each mouth-shaped fixing frame (3) is fixedly connected with the outer wall of the lithium battery module (2), four limit sliding grooves (4) are formed in each mouth-shaped fixing frame (3), springs (14) are symmetrically distributed in each limit sliding groove (4), two buffer structures (5) connected with the springs (14) are arranged on each mouth-shaped fixing frame (3), two energy absorbing structures (7) are arranged on the front side and the rear side of each lithium battery module (2), the energy absorbing structures (7) at the front end are connected with the mouth-shaped fixing frames (3) at the bottom, and the energy absorbing structures (7) at the rear end are connected with the mouth-shaped fixing frames (3) at the top.
The buffer structure (5) comprises a fixed shaft (9) and a base plate (8), wherein the fixed shaft (9) is fixedly connected with the outer wall of the lithium battery module (2), the two ends of the fixed shaft (9) are respectively and rotatably connected with a first connecting rod (10), one end of each first connecting rod (10), which is far away from the fixed shaft (9), is respectively and rotatably connected with a second connecting rod (12) through a rotating shaft, the top of the base plate (8) is fixedly connected with two limiting plates (11), a waist-shaped hole which is horizontally arranged is formed in each limiting plate (11), the inner wall of each waist-shaped hole is in sliding connection with the rotating shaft at the end of each second connecting rod (12), one end of each second connecting rod (12), which is far away from the first connecting rod (10), is rotatably connected with a limiting slide block (13), one side of each limiting slide block (13) is fixedly connected with the end of a spring (14), the top of each limiting slide block (13) is fixedly connected with a rack (15), and the inside of the mouth-shaped fixed frame (3) is further provided with a movable rack (16);
The energy absorbing structure (7) comprises a ratchet gear (17), a transmission structure (18), a counterweight rotor (19) and a fan (20), wherein the ratchet gear (17), the transmission structure (18) and the counterweight rotor (19) are all arranged outside the mouth-shaped fixed frame (3), the ratchet gear (17) is meshed with the rack (15), the ratchet gear (17) is in transmission connection with the counterweight rotor (19) through the transmission structure (18), a central shaft of the counterweight rotor (19) is fixedly connected with the center of the fan (20), and an exhaust port (21) and an air inlet (22) are respectively formed in the front end and the rear end of the high-strength box body (1);
Each ratchet gear (17) drives the ratchet gear (17) to integrally rotate only when the spring (14) is reset, and a ratchet wheel inside the ratchet gear (17) is meshed with a pawl and is pushed by the pawl to rotate;
The inner wall of the transmission structure (18) is rotationally connected with a large gear (26) and a small gear (27), the outer wall of the large gear (26) is meshed with the outer wall of the small gear (27), the ratchet gear (17) and the balance weight rotor (19) are fixedly connected with belt pulleys (28), a first belt (29) and a second belt (30) are further arranged in the transmission structure (18), the large gear (26) is rotationally connected with the ratchet gear (17) through the belt pulleys (28) and the first belt (29), and the small gear (27) is in transmission connection with the balance weight rotor (19) through the belt pulleys (28) and the second belt (30) which are arranged;
The bottom of the transmission structure (18) is fixedly connected with a first bracket (31), the transmission structure (18) is fixedly connected with the mouth-shaped fixed frame (3) through the first bracket (31), a second bracket (32) is rotationally connected at the rotating shaft of the counterweight rotor (19), and the counterweight rotor (19) is fixedly connected with the mouth-shaped fixed frame (3) through the second bracket (32);
One end, far away from the first connecting rod (10), of the second connecting rod (12) is fixedly connected with a movable shaft (23), the second connecting rod (12) is rotationally connected with a limiting slide block (13) through the movable shaft (23), limiting blocks (24) are fixedly connected to the outer walls of the two sides of the limiting slide block (13), side grooves (25) are formed in the inner walls of the two sides of the limiting slide groove (4), and the inner walls of the side grooves (25) are in sliding connection with the movable shaft (23) and the outer walls of the limiting blocks (24);
Two pressing blocks (33) matched with the base plate (8) are fixedly connected to the inside of the box cover (6), an upper anti-collision pad (34) is fixedly connected to the bottom of the pressing blocks (33), and a lower anti-collision pad (35) is fixedly connected to the bottom of the inner wall of the high-strength box body (1);
the lower anti-collision pad (35) is located under the lithium battery module (2), and the upper anti-collision pad (34) is located right above the lithium battery module (2).
2. The high-strength anti-seismic new energy lithium battery box according to claim 1, wherein: the one end inner wall that is close to spring (14) is kept away from to spacing spout (4) is installed rubber strip (36), the mounting hole that is used for installing rubber strip (36) is seted up to one end inner wall that is close to spring (14) to spacing spout (4), the inside that one end of rubber strip (36) extends to spring (14).
CN202410266921.6A 2023-09-26 2023-09-26 High-strength anti-seismic new energy lithium battery box Pending CN118117232A (en)

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CN202311252168.7A CN117117411B (en) 2023-09-26 2023-09-26 High-strength anti-seismic new energy lithium battery box

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109830626A (en) * 2019-01-25 2019-05-31 杨松梅 A kind of new energy car battery group anticollision assistor
CN209786017U (en) * 2019-05-04 2019-12-13 福建卫东新能源股份有限公司 Quick-charging type battery pack with air cooling and heat dissipation functions
CN210092188U (en) * 2019-08-13 2020-02-18 深圳市华科新能源科技有限公司 Novel power lithium battery pack
CN210325930U (en) * 2019-09-17 2020-04-14 郑州财经学院 Battery box for new energy automobile with buffer function
CN212113958U (en) * 2020-06-18 2020-12-08 江苏创优佳新能源科技有限公司 Lithium battery with good heat dissipation performance
CN215451637U (en) * 2021-08-12 2022-01-07 安普瑞斯(南京)动力能源有限公司 Industry lithium cell module protection architecture
CN215578672U (en) * 2021-09-17 2022-01-18 江西深超能源科技有限公司 Lithium battery with buffering anticollision function

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