CN116169418B - Lithium battery cell module - Google Patents
Lithium battery cell module Download PDFInfo
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- CN116169418B CN116169418B CN202211636768.9A CN202211636768A CN116169418B CN 116169418 B CN116169418 B CN 116169418B CN 202211636768 A CN202211636768 A CN 202211636768A CN 116169418 B CN116169418 B CN 116169418B
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- guide
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- plate
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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
- H01M50/258—Modular batteries; Casings provided with means for assembling
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
- 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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- 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 invention is applicable to the technical field of lithium batteries, and provides a lithium battery cell module, which comprises a storage seat and further comprises: the positioning frame is fixed on the storage seat, a plurality of placing grooves for the cell module body are formed in the positioning frame, and the upper end cover is fixed at the tail end of the positioning frame; the side wall of the locating rack is provided with a plurality of groups of installation protection components for protecting the cell module body, and each protection component comprises a mounting seat, a buffer plate, a fixing sleeve, a first guide rack, a first connecting rod, a second connecting rod, a first guide sliding block, a second guide sliding block, a buffer pressure spring and a synchronous rod. When foreign objects impact the battery cell module body, the buffer plate is extruded, the buffer plate pushes the first guide sliding block to move through the second connecting rod, the first guide sliding block pushes the second guide sliding block, and then the second guide sliding block extrudes the buffer pressure spring, impact force is converted into elastic potential energy of the buffer pressure spring, and accordingly the battery cell module body is protected.
Description
Technical Field
The invention belongs to the technical field of lithium batteries, and particularly relates to a lithium battery cell module.
Background
The battery module can be understood as an intermediate product of a battery core and a pack formed by combining lithium ion battery cores in a serial-parallel connection mode and adding a single battery monitoring and managing device. The structure of the battery cell has to play roles in supporting, fixing and protecting the battery cell, and can be summarized into 3 major items: mechanical strength, electrical properties, thermal properties and fault handling capability. Whether the position of the battery cell can be well fixed and the battery cell can be protected from deformation with the performance being damaged, how to meet the requirements of current carrying performance, how to meet the control of the temperature of the battery cell, whether to power off when serious abnormality occurs, whether to avoid the propagation of thermal runaway, and the like are all criteria for judging the quality of the battery module. The solution to thermal management of battery modules with high performance requirements has been to shift to liquid cooled or phase change materials.
In order to avoid damage to the lithium battery cell module due to impact, the prior art is to form a protection frame through metal welding, place the lithium battery cell module in the protection frame, and then play a role in slowing down or avoiding impact through the protection frame.
However, when in actual use, the protection frame can deform because of striking, and the lithium battery cell module is easily contused to the protection frame that warp, and then provides a lithium battery cell module that can absorb striking to improve the safety in utilization of lithium battery cell module.
Disclosure of Invention
The embodiment of the invention aims to provide a lithium battery cell module, and aims to solve the problem that a protection frame can deform due to impact during actual use, and the deformed protection frame is easy to contusion the lithium battery cell module.
The invention is realized in such a way that the lithium battery cell module comprises a storage seat and further comprises:
the positioning frame is fixed on the storage seat, a plurality of placing grooves for the cell module body are formed in the positioning frame, and the upper end cover is fixed at the tail end of the positioning frame;
the side wall of the positioning frame is provided with a plurality of groups of installation protection components for protecting the cell module body, and each protection component comprises a mounting seat, a buffer plate, a fixed sleeve, a first guide frame, a first connecting rod, a second connecting rod, a first guide sliding block, a second guide sliding block, a buffer pressure spring and a synchronous rod;
the mounting seat is fixed on the side wall of the positioning frame, the fixing sleeve is fixed on the mounting seat, two first guide sliding grooves are formed in the first guide frame, the first guide sliding blocks are slidably connected in the first guide sliding grooves, one ends of the first connecting rod and the second connecting rod are rotatably connected to the first guide sliding blocks, and the other ends of the first connecting rod and the second connecting rod are rotatably connected with the fixing sleeve and the buffer plate respectively;
a second guide sliding groove is formed in the first guide sliding groove, the second guide sliding block is connected in the second guide sliding groove in a sliding manner, and two ends of the buffer pressure spring are respectively connected with the second guide sliding block and one end, close to the middle of the first guide frame, of the second guide sliding groove;
the synchronous rod is fixed on the buffer plate, the first guide sliding block is provided with an inclined pushing guide groove, the synchronous rod is in sliding fit with the inclined pushing guide groove, and the first guide frame is provided with an avoiding groove for avoiding the synchronous rod.
Further technical scheme, be provided with pneumatic buffer assembly on the first leading truck, pneumatic buffer assembly includes flexible cover, sliding chamber, piston, telescopic shaft, sealing ring and second leading truck, flexible cover is fixed on the buffer board, flexible cover and first leading truck sliding fit, the second leading truck is fixed on first leading truck, second leading truck and telescopic shaft sliding fit, be provided with the sliding chamber in the flexible cover, piston sliding connection is in the sliding chamber, the telescopic shaft is fixed on the piston, be provided with the sealing ring on the piston, be provided with the scavenge pipe on the flexible cover, be provided with the check valve on the scavenge pipe.
Further technical scheme, be provided with heat dissipation insulation component on the first leading truck, heat dissipation insulation component includes drive assembly, first heating panel, rotor plate, second heating panel and lug, first heating panel is fixed on the mount pad, the rotor plate rotates to be connected on fixed the cover, the second heating panel rotates to be connected on the rotor plate, and the telescopic shaft is connected with the second heating panel, first heating panel and second heating panel all are provided with the louvre, and the louvre overlaps on first heating panel and the second heating panel and set up, be provided with the movable groove on the rotor plate, the lug is fixed on the lateral wall of second heating panel, and the lug sets up in the movable groove, drive assembly passes through pneumatic buffer assembly and drives the second heating panel and rotate.
According to a further technical scheme, a plurality of groups of radiating holes are formed in the first radiating plate and the second radiating plate.
Further technical scheme, drive assembly includes extension spring, spiral spout and pushes away the axle, the both ends of extension spring are connected with first direction slider and second direction slider respectively, be provided with spiral spout on the telescopic shaft, be fixed with on the telescopic sleeve and push away the axle, and push away axle and spiral spout sliding fit.
Further technical scheme, be provided with friction buffer assembly on the fixed cover, friction buffer assembly includes third direction spout, clutch blocks, pressure spring and jam piece, be provided with the third direction spout on the fixed cover, clutch blocks sliding connection is in the third direction spout, and the terminal and the rotor plate contact of clutch blocks, jam piece threaded connection is in the third direction spout, the both ends of pressure spring are connected with clutch blocks and jam piece respectively.
According to a further technical scheme, one end of the friction block, which is in contact with the rotating plate, is provided with anti-skidding patterns for improving friction force, and hexagonal protrusions are fixed on the blocking block.
According to the lithium battery cell module provided by the embodiment of the invention, when an external object impacts the battery cell module body, the buffer plate is extruded, the buffer plate pushes the first guide sliding block to move through the second connecting rod, and the first guide sliding block pushes the second guide sliding block, so that the second guide sliding block extrudes the buffer pressure spring, impact force is converted into elastic potential energy of the buffer pressure spring, the battery cell module body is protected, and the damage degree of the battery cell module body due to impact is reduced; the telescopic sleeve moves relative to the piston, so that the piston compresses gas in the sliding cavity, the pneumatic buffering function is achieved, the buffering effect is further improved, and the protection capability of the battery cell module is improved.
Drawings
Fig. 1 is a schematic structural diagram of a lithium battery cell module according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the protection component in FIG. 1 according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the first guide frame in fig. 2 according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the second heat dissipation plate in fig. 2 according to an embodiment of the present invention;
fig. 6 is an enlarged schematic view of the structure of B in fig. 2 according to an embodiment of the present invention.
In the accompanying drawings: the device comprises a storage seat 101, a positioning frame 102, an upper end cover 103, a protection assembly 2, a mounting seat 201, a buffer plate 202, a fixing sleeve 203, a first guide frame 204, a first connecting rod 205, a second connecting rod 206, a first guide sliding groove 207, a first guide sliding block 208, a second guide sliding groove 209, a second guide sliding block 210, a buffer pressure spring 211, a synchronizing rod 212, a diagonal pushing guide groove 213, a dodging groove 214, a pneumatic buffer assembly 3, a telescopic sleeve 301, a sliding cavity 302, a piston 303, a telescopic shaft 304, a ventilation pipe 305, a sealing ring 306, a second guide frame 307, a friction buffer assembly 4, a third guide sliding groove 401, a friction block 402, a pressure spring 403, a blocking block 404, a hexagonal protrusion 405, a transmission assembly 5, a tension spring 501, a spiral sliding groove 502, a pushing shaft 503, a heat dissipation and insulation assembly 6, a first heat dissipation plate 601, a rotating plate 602, a second 603, a movable groove 604, a bump 605, a heat dissipation plate 606, and a placing groove 7.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Example 1
As shown in fig. 1 to fig. 4, a lithium battery cell module according to an embodiment of the present invention includes a receiving seat 101, and further includes:
the positioning frame 102 and the upper end cover 103, wherein the positioning frame 102 is fixed on the storage seat 101, a plurality of placing grooves 7 for the cell module body are arranged in the positioning frame 102, and the upper end cover 103 is fixed at the tail end of the positioning frame 102;
a plurality of groups of installation protection components 2 for protecting the cell module body are arranged on the side wall of the positioning frame 102, and the protection components 2 comprise an installation seat 201, a buffer plate 202, a fixed sleeve 203, a first guide frame 204, a first connecting rod 205, a second connecting rod 206, a first guide sliding block 208, a second guide sliding block 210, a buffer pressure spring 211 and a synchronous rod 212;
the mounting seat 201 is fixed on the side wall of the positioning frame 102, the fixing sleeve 203 is fixed on the mounting seat 201, the first guide frame 204 is provided with two first guide sliding grooves 207, the first guide sliding blocks 208 are slidably connected in the first guide sliding grooves 207, one ends of the first connecting rod 205 and the second connecting rod 206 are rotatably connected on the first guide sliding blocks 208, and the other ends of the first connecting rod 205 and the second connecting rod 206 are rotatably connected with the fixing sleeve 203 and the buffer plate 202 respectively;
a second guiding chute 209 is arranged in the first guiding chute 207, the second guiding slide block 210 is slidably connected in the second guiding chute 209, and two ends of the buffering pressure spring 211 are respectively connected with the second guiding slide block 210 and one end, close to the middle of the first guiding frame 204, of the second guiding chute 209;
the synchronizing rod 212 is fixed on the buffer plate 202, an inclined pushing guide groove 213 is formed in the first guide sliding block 208, the synchronizing rod 212 is in sliding fit with the inclined pushing guide groove 213, and an avoiding groove 214 for avoiding the synchronizing rod 212 is formed in the first guide frame 204.
In the embodiment of the invention, when an external object impacts the battery cell module body, the external object is in contact with the buffer plate 202, the buffer plate 202 is extruded, the buffer plate 202 pushes the first guide slide block 208 to move through the second connecting rod 206, when the second connecting rod 206 rotates, the distance between the first guide frame 204 and the buffer plate 202 is reduced, the first guide slide blocks 208 slide on the synchronous rod 212 through the inclined pushing guide groove 213, the two first guide slide blocks 208 synchronously move towards each other, the first guide slide blocks 208 push the second guide slide blocks 210, the second guide slide blocks 210 further extrude the buffer pressure spring 211, and the impact force is converted into elastic potential energy of the buffer pressure spring 211, so that the battery cell module body is protected, and the damage degree of the battery cell module body receiving impact is reduced.
Example two
As shown in fig. 1 to fig. 4, a lithium battery cell module according to an embodiment of the present invention includes a receiving seat 101, and further includes:
the positioning frame 102 and the upper end cover 103, wherein the positioning frame 102 is fixed on the storage seat 101, a plurality of placing grooves 7 for the cell module body are arranged in the positioning frame 102, and the upper end cover 103 is fixed at the tail end of the positioning frame 102;
a plurality of groups of installation protection components 2 for protecting the cell module body are arranged on the side wall of the positioning frame 102, and the protection components 2 comprise an installation seat 201, a buffer plate 202, a fixed sleeve 203, a first guide frame 204, a first connecting rod 205, a second connecting rod 206, a first guide sliding block 208, a second guide sliding block 210, a buffer pressure spring 211 and a synchronous rod 212;
the mounting seat 201 is fixed on the side wall of the positioning frame 102, the fixing sleeve 203 is fixed on the mounting seat 201, the first guide frame 204 is provided with two first guide sliding grooves 207, the first guide sliding blocks 208 are slidably connected in the first guide sliding grooves 207, one ends of the first connecting rod 205 and the second connecting rod 206 are rotatably connected on the first guide sliding blocks 208, and the other ends of the first connecting rod 205 and the second connecting rod 206 are rotatably connected with the fixing sleeve 203 and the buffer plate 202 respectively;
a second guiding chute 209 is arranged in the first guiding chute 207, the second guiding slide block 210 is slidably connected in the second guiding chute 209, and two ends of the buffering pressure spring 211 are respectively connected with the second guiding slide block 210 and one end, close to the middle of the first guiding frame 204, of the second guiding chute 209;
the synchronizing rod 212 is fixed on the buffer plate 202, the first guide sliding block 208 is provided with an inclined pushing guide groove 213, the synchronizing rod 212 is in sliding fit with the inclined pushing guide groove 213, and the first guide frame 204 is provided with an avoiding groove 214 for avoiding the synchronizing rod 212;
the air pressure buffer assembly 3 is arranged on the first guide frame 204, the air pressure buffer assembly 3 comprises a telescopic sleeve 301, a sliding cavity 302, a piston 303, a telescopic shaft 304, a sealing ring 306 and a second guide frame 307, the telescopic sleeve 301 is fixed on the buffer plate 202, the telescopic sleeve 301 is in sliding fit with the first guide frame 204, the second guide frame 307 is fixed on the first guide frame 204, the second guide frame 307 is in sliding fit with the telescopic shaft 304, the sliding cavity 302 is arranged in the telescopic sleeve 301, the piston 303 is in sliding connection with the sliding cavity 302, the telescopic shaft 304 is fixed on the piston 303, the sealing ring 306 is arranged on the piston 303, the air exchanging pipe 305 is arranged on the telescopic sleeve 301, and the check valve is arranged on the air exchanging pipe 305.
In the embodiment of the invention, when an external object impacts the battery cell module body, the external object is in contact with the buffer plate 202, the buffer plate 202 is extruded, the buffer plate 202 pushes the first guide sliding block 208 to move through the second connecting rod 206, when the second connecting rod 206 rotates, the distance between the first guide frame 204 and the buffer plate 202 is reduced, and then the first guide sliding block 208 slides on the synchronizing rod 212 through the inclined pushing guide groove 213, so that the two first guide sliding blocks 208 synchronously move towards each other, the first guide sliding block 208 pushes the second guide sliding block 210, and then the second guide sliding block 210 presses the buffer pressure spring 211, the impact force is converted into elastic potential energy of the buffer pressure spring 211, thereby protecting the battery cell module body, the damage degree of the battery cell module body due to impact is reduced, when the buffer plate 202 moves towards the mounting seat 201, the buffer plate 202 drives the telescopic shaft 30 to move through the telescopic sleeve 301 and the piston 303, and then the telescopic shaft 304 is blocked from moving through the inclined pushing guide groove 213, and at this moment, the buffer plate 202 drives the telescopic sleeve 301 to move, and then the telescopic sleeve 301 moves relative to the piston 301, and the piston 302 further compresses the buffer core 303, thereby the pneumatic protection effect of the buffer module is improved, and the air is further improved, and the protection effect of the buffer module is achieved.
Example III
As shown in fig. 1 to 5, a lithium battery cell module according to an embodiment of the present invention includes a receiving seat 101, and further includes:
the positioning frame 102 and the upper end cover 103, wherein the positioning frame 102 is fixed on the storage seat 101, a plurality of placing grooves 7 for the cell module body are arranged in the positioning frame 102, and the upper end cover 103 is fixed at the tail end of the positioning frame 102;
a plurality of groups of installation protection components 2 for protecting the cell module body are arranged on the side wall of the positioning frame 102, and the protection components 2 comprise an installation seat 201, a buffer plate 202, a fixed sleeve 203, a first guide frame 204, a first connecting rod 205, a second connecting rod 206, a first guide sliding block 208, a second guide sliding block 210, a buffer pressure spring 211 and a synchronous rod 212;
the mounting seat 201 is fixed on the side wall of the positioning frame 102, the fixing sleeve 203 is fixed on the mounting seat 201, the first guide frame 204 is provided with two first guide sliding grooves 207, the first guide sliding blocks 208 are slidably connected in the first guide sliding grooves 207, one ends of the first connecting rod 205 and the second connecting rod 206 are rotatably connected on the first guide sliding blocks 208, and the other ends of the first connecting rod 205 and the second connecting rod 206 are rotatably connected with the fixing sleeve 203 and the buffer plate 202 respectively;
a second guiding chute 209 is arranged in the first guiding chute 207, the second guiding slide block 210 is slidably connected in the second guiding chute 209, and two ends of the buffering pressure spring 211 are respectively connected with the second guiding slide block 210 and one end, close to the middle of the first guiding frame 204, of the second guiding chute 209;
the synchronizing rod 212 is fixed on the buffer plate 202, the first guide sliding block 208 is provided with an inclined pushing guide groove 213, the synchronizing rod 212 is in sliding fit with the inclined pushing guide groove 213, and the first guide frame 204 is provided with an avoiding groove 214 for avoiding the synchronizing rod 212;
the air pressure buffer assembly 3 is arranged on the first guide frame 204, the air pressure buffer assembly 3 comprises a telescopic sleeve 301, a sliding cavity 302, a piston 303, a telescopic shaft 304, a sealing ring 306 and a second guide frame 307, the telescopic sleeve 301 is fixed on the buffer plate 202, the telescopic sleeve 301 is in sliding fit with the first guide frame 204, the second guide frame 307 is fixed on the first guide frame 204, the second guide frame 307 is in sliding fit with the telescopic shaft 304, the sliding cavity 302 is arranged in the telescopic sleeve 301, the piston 303 is in sliding connection with the sliding cavity 302, the telescopic shaft 304 is fixed on the piston 303, the sealing ring 306 is arranged on the piston 303, the telescopic sleeve 301 is provided with an air exchanging pipe 305, and the air exchanging pipe 305 is provided with a check valve;
the first guide frame 204 is provided with a heat dissipation and insulation component 6, the heat dissipation and insulation component 6 comprises a transmission component 5, a first heat dissipation plate 601, a rotating plate 602, a second heat dissipation plate 603 and a bump 605, the first heat dissipation plate 601 is fixed on the mounting seat 201, the rotating plate 602 is rotationally connected on the fixed sleeve 203, the second heat dissipation plate 603 is rotationally connected on the rotating plate 602, the telescopic shaft 304 is connected with the second heat dissipation plate 603, the first heat dissipation plate 601 and the second heat dissipation plate 603 are both provided with heat dissipation holes 606, the heat dissipation holes 606 on the first heat dissipation plate 601 and the second heat dissipation plate 603 are overlapped, the rotating plate 602 is provided with a movable groove 604, the bump 605 is fixed on the side wall of the second heat dissipation plate 603, the bump 605 is arranged in the movable groove 604, and the transmission component 5 drives the second heat dissipation plate 603 to rotate through the air pressure buffer component 3;
the heat dissipation holes 606 on the first heat dissipation plate 601 and the second heat dissipation plate 603 are provided with a plurality of groups;
the transmission assembly 5 comprises a tension spring 501, a spiral chute 502 and a pushing shaft 503, two ends of the tension spring 501 are respectively connected with the first guide slide block 208 and the second guide slide block 210, the spiral chute 502 is arranged on the telescopic shaft 304, the pushing shaft 503 is fixed on the telescopic sleeve 301, and the pushing shaft 503 is in sliding fit with the spiral chute 502.
In the embodiment of the invention, when the air is injected into the sliding cavity 302, the air pressure in the sliding cavity 302 pushes the piston 303 to move, so that the total length between the first connecting rod 205 and the second connecting rod 206 is increased, at the moment, the air pressure in the sliding cavity 302 and the tension force of the tension spring 501 are balanced, when the temperature is reduced, the air pressure in the sliding cavity 302 is influenced by the temperature, and then the temperature is reduced, the tension spring 501 pulls the first guide slide block 208 to move towards the second guide slide block 210, so that the total length between the first connecting rod 205 and the second connecting rod 206 is reduced, the buffer plate 202 moves towards the mounting seat 201, the telescopic sleeve 301 moves relative to the telescopic shaft 304, the push shaft 503 on the telescopic sleeve 301 pushes the spiral chute 502, so that the telescopic shaft 304 drives the second heat dissipation plate 603 to rotate, so that the heat dissipation holes 606 on the second heat dissipation plate 603 are dislocated with the heat dissipation holes 606 on the first heat dissipation plate 601, and thus the heat dissipation plate body of the battery core module body is reduced, otherwise, when the temperature is increased, the second 603 reversely rotates towards the second guide slide block 208, so that the heat dissipation plate 601 and the heat dissipation plate 202 on the first heat dissipation plate body is overlapped with the heat dissipation plate body and the heat dissipation plate 202 are further arranged on the heat dissipation plate 102, and the buffer plate 202 is further away from the heat dissipation plate 102 through the heat dissipation plate positioning holes; when an external object impacts the battery cell module body, the external object contacts with the buffer plate 202, the buffer plate 202 is extruded, the buffer plate 202 pushes the first guide slide block 208 to move through the second connecting rod 206, when the second connecting rod 206 rotates, the distance between the first guide frame 204 and the buffer plate 202 is reduced, the first guide slide block 208 slides on the synchronous rod 212 through the inclined pushing guide groove 213, the two first guide slide blocks 208 synchronously move in opposite directions, the first guide slide block 208 pushes the second guide slide block 210, the second guide slide block 210 further presses the buffer pressure spring 211, the impact force is converted into the elastic potential energy of the buffer pressure spring 211, and the battery cell module body is protected, the damage degree of the battery cell module body when the impact is received is reduced, when the buffer plate 202 moves towards the mounting seat 201, the telescopic sleeve 301 moves relative to the piston 303, so that the piston 303 compresses gas in the sliding cavity 302, the pneumatic buffering effect is further improved, the protection capability of the battery cell module is improved, meanwhile, the telescopic sleeve 301 moves relative to the telescopic shaft 304, the pushing shaft 503 on the telescopic sleeve 301 pushes the spiral chute 502, the telescopic shaft 304 is further enabled to rotate, the telescopic shaft 304 drives the second heat dissipation plate 603 to rotate, the second heat dissipation plate 603 drives the bump 605 to move, and the second heat dissipation plate 603 drives the rotating plate 602 to rotate through the bump 605 and the movable groove 604 until the bump 605 contacts with the tail end of the movable groove 604.
Example IV
As shown in fig. 1 to fig. 6, a lithium battery cell module according to an embodiment of the present invention includes a receiving seat 101, and further includes:
the positioning frame 102 and the upper end cover 103, wherein the positioning frame 102 is fixed on the storage seat 101, a plurality of placing grooves 7 for the cell module body are arranged in the positioning frame 102, and the upper end cover 103 is fixed at the tail end of the positioning frame 102;
a plurality of groups of installation protection components 2 for protecting the cell module body are arranged on the side wall of the positioning frame 102, and the protection components 2 comprise an installation seat 201, a buffer plate 202, a fixed sleeve 203, a first guide frame 204, a first connecting rod 205, a second connecting rod 206, a first guide sliding block 208, a second guide sliding block 210, a buffer pressure spring 211 and a synchronous rod 212;
the mounting seat 201 is fixed on the side wall of the positioning frame 102, the fixing sleeve 203 is fixed on the mounting seat 201, the first guide frame 204 is provided with two first guide sliding grooves 207, the first guide sliding blocks 208 are slidably connected in the first guide sliding grooves 207, one ends of the first connecting rod 205 and the second connecting rod 206 are rotatably connected on the first guide sliding blocks 208, and the other ends of the first connecting rod 205 and the second connecting rod 206 are rotatably connected with the fixing sleeve 203 and the buffer plate 202 respectively;
a second guiding chute 209 is arranged in the first guiding chute 207, the second guiding slide block 210 is slidably connected in the second guiding chute 209, and two ends of the buffering pressure spring 211 are respectively connected with the second guiding slide block 210 and one end, close to the middle of the first guiding frame 204, of the second guiding chute 209;
the synchronizing rod 212 is fixed on the buffer plate 202, the first guide sliding block 208 is provided with an inclined pushing guide groove 213, the synchronizing rod 212 is in sliding fit with the inclined pushing guide groove 213, and the first guide frame 204 is provided with an avoiding groove 214 for avoiding the synchronizing rod 212;
the air pressure buffer assembly 3 is arranged on the first guide frame 204, the air pressure buffer assembly 3 comprises a telescopic sleeve 301, a sliding cavity 302, a piston 303, a telescopic shaft 304, a sealing ring 306 and a second guide frame 307, the telescopic sleeve 301 is fixed on the buffer plate 202, the telescopic sleeve 301 is in sliding fit with the first guide frame 204, the second guide frame 307 is fixed on the first guide frame 204, the second guide frame 307 is in sliding fit with the telescopic shaft 304, the sliding cavity 302 is arranged in the telescopic sleeve 301, the piston 303 is in sliding connection with the sliding cavity 302, the telescopic shaft 304 is fixed on the piston 303, the sealing ring 306 is arranged on the piston 303, the telescopic sleeve 301 is provided with an air exchanging pipe 305, and the air exchanging pipe 305 is provided with a check valve;
the first guide frame 204 is provided with a heat dissipation and insulation component 6, the heat dissipation and insulation component 6 comprises a transmission component 5, a first heat dissipation plate 601, a rotating plate 602, a second heat dissipation plate 603 and a bump 605, the first heat dissipation plate 601 is fixed on the mounting seat 201, the rotating plate 602 is rotationally connected on the fixed sleeve 203, the second heat dissipation plate 603 is rotationally connected on the rotating plate 602, the telescopic shaft 304 is connected with the second heat dissipation plate 603, the first heat dissipation plate 601 and the second heat dissipation plate 603 are both provided with heat dissipation holes 606, the heat dissipation holes 606 on the first heat dissipation plate 601 and the second heat dissipation plate 603 are overlapped, the rotating plate 602 is provided with a movable groove 604, the bump 605 is fixed on the side wall of the second heat dissipation plate 603, the bump 605 is arranged in the movable groove 604, and the transmission component 5 drives the second heat dissipation plate 603 to rotate through the air pressure buffer component 3;
the heat dissipation holes 606 on the first heat dissipation plate 601 and the second heat dissipation plate 603 are provided with a plurality of groups;
the transmission assembly 5 comprises a tension spring 501, a spiral chute 502 and a push shaft 503, wherein two ends of the tension spring 501 are respectively connected with the first guide slide block 208 and the second guide slide block 210, the spiral chute 502 is arranged on the telescopic shaft 304, the push shaft 503 is fixed on the telescopic sleeve 301, and the push shaft 503 is in sliding fit with the spiral chute 502;
the friction buffer assembly 4 is arranged on the fixed sleeve 203, the friction buffer assembly 4 comprises a third guide chute 401, a friction block 402, a pressure spring 403 and a blocking block 404, the third guide chute 401 is arranged on the fixed sleeve 203, the friction block 402 is slidably connected in the third guide chute 401, the tail end of the friction block 402 is in contact with the rotating plate 602, the blocking block 404 is in threaded connection in the third guide chute 401, the two ends of the pressure spring 403 are respectively connected with the friction block 402 and the blocking block 404, one end of the friction block 402, which is in contact with the rotating plate 602, is provided with anti-skidding patterns for improving friction force, and the hexagonal protrusions 405 are fixed on the blocking block 404.
In the embodiment of the invention, when the air is injected into the sliding cavity 302, the air pressure in the sliding cavity 302 pushes the piston 303 to move, so that the total length between the first connecting rod 205 and the second connecting rod 206 is increased, at the moment, the air pressure in the sliding cavity 302 and the tension force of the tension spring 501 are balanced, when the temperature is reduced, the air pressure in the sliding cavity 302 is influenced by the temperature, and then the temperature is reduced, the tension spring 501 pulls the first guide slide block 208 to move towards the second guide slide block 210, so that the total length between the first connecting rod 205 and the second connecting rod 206 is reduced, the buffer plate 202 moves towards the mounting seat 201, the telescopic sleeve 301 moves relative to the telescopic shaft 304, the push shaft 503 on the telescopic sleeve 301 pushes the spiral chute 502, so that the telescopic shaft 304 drives the second heat dissipation plate 603 to rotate, so that the heat dissipation holes 606 on the second heat dissipation plate 603 are dislocated with the heat dissipation holes 606 on the first heat dissipation plate 601, and thus the heat dissipation plate body of the battery core module body is reduced, otherwise, when the temperature is increased, the second 603 reversely rotates towards the second guide slide block 208, so that the heat dissipation plate 601 and the heat dissipation plate 202 on the first heat dissipation plate body is overlapped with the heat dissipation plate body and the heat dissipation plate 202 are further arranged on the heat dissipation plate 102, and the buffer plate 202 is further away from the heat dissipation plate 102 through the heat dissipation plate positioning holes; when an external object impacts the battery cell module body, the external object contacts with the buffer plate 202, the buffer plate 202 is extruded, the buffer plate 202 pushes the first guide slide block 208 to move through the second connecting rod 206, when the second connecting rod 206 rotates, the distance between the first guide frame 204 and the buffer plate 202 is reduced, the first guide slide block 208 slides on the synchronous rod 212 through the inclined pushing guide groove 213, the two first guide slide blocks 208 synchronously move in opposite directions, the first guide slide block 208 pushes the second guide slide block 210, the second guide slide block 210 further presses the buffer pressure spring 211, the impact force is converted into the elastic potential energy of the buffer pressure spring 211, the battery cell module body is protected, the damage degree of the battery cell module body receiving the impact is reduced, when the buffer plate 202 moves towards the mounting seat 201, the telescopic sleeve 301 moves relative to the piston 303, and then the piston 303 compresses the gas in the sliding cavity 302, thereby playing a role of pneumatic buffering, further improving the buffering effect, improving the protection capability of the battery cell module, simultaneously, the telescopic sleeve 301 moves relative to the telescopic shaft 304, the push shaft 503 on the telescopic sleeve 301 pushes the spiral chute 502, and further, the telescopic shaft 304 rotates, the telescopic shaft 304 drives the second heat dissipation plate 603 to rotate, the second heat dissipation plate 603 drives the bump 605 to move, after the bump 605 contacts with the tail end of the movable groove 604, the second heat dissipation plate 603 drives the rotating plate 602 to rotate through the bump 605 and the movable groove 604, the pressure spring 403 pushes the blocking block 404, so that the extrusion force exists between the blocking block 404 and the rotating plate 602, and then the rotating plate 602 is blocked from rotating due to the action of friction force, thereby blocking the rotation of the telescopic shaft 304, and further blocking the movement of the telescopic sleeve 301 through the spiral chute 502 and the push shaft 503, the impact force is converted into internal energy generated by friction between the blocking block 404 and the rotating plate 602, and the buffer function is further realized.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. The utility model provides a lithium cell electricity core module, includes the receiver, its characterized in that still includes:
the positioning frame is fixed on the storage seat, a plurality of placing grooves for the cell module body are formed in the positioning frame, and the upper end cover is fixed at the tail end of the positioning frame;
the side wall of the positioning frame is provided with a plurality of groups of installation protection components for protecting the cell module body, and each protection component comprises a mounting seat, a buffer plate, a fixed sleeve, a first guide frame, a first connecting rod, a second connecting rod, a first guide sliding block, a second guide sliding block, a buffer pressure spring and a synchronous rod;
the mounting seat is fixed on the side wall of the positioning frame, the fixing sleeve is fixed on the mounting seat, two first guide sliding grooves are formed in the first guide frame, the first guide sliding blocks are slidably connected in the first guide sliding grooves, one ends of the first connecting rod and the second connecting rod are rotatably connected to the first guide sliding blocks, and the other ends of the first connecting rod and the second connecting rod are rotatably connected with the fixing sleeve and the buffer plate respectively;
a second guide sliding groove is formed in the first guide sliding groove, the second guide sliding block is connected in the second guide sliding groove in a sliding manner, and two ends of the buffer pressure spring are respectively connected with the second guide sliding block and one end, close to the middle of the first guide frame, of the second guide sliding groove;
the synchronous rod is fixed on the buffer plate, an inclined pushing guide groove is formed in the first guide sliding block, the synchronous rod is in sliding fit with the inclined pushing guide groove, and an avoiding groove for avoiding the synchronous rod is formed in the first guide frame;
the heat-dissipation heat-preservation assembly comprises a transmission assembly, a first heat-dissipation plate, a rotating plate, a second heat-dissipation plate and a protruding block, wherein the first heat-dissipation plate is fixed on a mounting seat, the rotating plate is rotationally connected to a fixed sleeve, the second heat-dissipation plate is rotationally connected to the rotating plate, a telescopic shaft is connected with the second heat-dissipation plate, heat-dissipation holes are formed in the first heat-dissipation plate and the second heat-dissipation plate, the heat-dissipation holes in the first heat-dissipation plate and the second heat-dissipation plate are overlapped, a movable groove is formed in the rotating plate, the protruding block is fixed on the side wall of the second heat-dissipation plate, the protruding block is arranged in the movable groove, and the transmission assembly drives the second heat-dissipation plate to rotate through a pneumatic buffer assembly;
the transmission assembly comprises a tension spring, a spiral chute and a pushing shaft, wherein two ends of the tension spring are respectively connected with the first guide sliding block and the second guide sliding block, the spiral chute is arranged on the telescopic shaft, the pushing shaft is fixed on the telescopic sleeve, and the pushing shaft is in sliding fit with the spiral chute.
2. The lithium battery cell module of claim 1, wherein the first guide frame is provided with a pneumatic buffer assembly, the pneumatic buffer assembly comprises a telescopic sleeve, a sliding cavity, a piston, a telescopic shaft, a sealing ring and a second guide frame, the telescopic sleeve is fixed on a buffer plate and is in sliding fit with the first guide frame, the second guide frame is fixed on the first guide frame and is in sliding fit with the telescopic shaft, the sliding cavity is arranged in the telescopic sleeve, the piston is in sliding connection in the sliding cavity, the telescopic shaft is fixed on the piston, the sealing ring is arranged on the piston, the telescopic sleeve is provided with a ventilation pipe, and the ventilation pipe is provided with a check valve.
3. The lithium battery cell module of claim 1, wherein the heat dissipation holes on the first heat dissipation plate and the second heat dissipation plate are each provided with multiple groups.
4. The lithium battery cell module of claim 1, wherein the fixed sleeve is provided with a friction buffer assembly, the friction buffer assembly comprises a third guide chute, a friction block, a pressure spring and a blocking block, the fixed sleeve is provided with the third guide chute, the friction block is slidably connected in the third guide chute, the tail end of the friction block is in contact with the rotating plate, the blocking block is in threaded connection in the third guide chute, and two ends of the pressure spring are respectively connected with the friction block and the blocking block.
5. The lithium battery cell module according to claim 4, wherein the end of the friction block, which is in contact with the rotating plate, is provided with anti-slip patterns for improving friction force, and the blocking block is fixed with hexagonal protrusions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211636768.9A CN116169418B (en) | 2022-12-20 | 2022-12-20 | Lithium battery cell module |
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| CN116169418A (en) | 2023-05-26 |
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