CN113506940A - High-voltage lithium ion battery with high volume energy density - Google Patents
High-voltage lithium ion battery with high volume energy density Download PDFInfo
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- CN113506940A CN113506940A CN202110618857.XA CN202110618857A CN113506940A CN 113506940 A CN113506940 A CN 113506940A CN 202110618857 A CN202110618857 A CN 202110618857A CN 113506940 A CN113506940 A CN 113506940A
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims description 37
- 230000000694 effects Effects 0.000 abstract description 23
- 230000002277 temperature effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H01M50/24—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 from their environment, e.g. from corrosion
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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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- 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
- H01M50/289—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
- H01M50/291—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 characterised by their shape
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a high-voltage lithium ion battery with high volume energy density, which comprises a battery box, a battery cover and a protection block, wherein the bottom of the battery cover is fixedly connected with the top of the battery box, the outer surface of the protection block is spliced with the inside of the battery box, positioning grooves are formed in the front side and the rear side of the inner wall of the battery box, circular grooves are formed in the front side and the rear side of the protection block, positioning mechanisms are arranged in the two circular grooves, placing grooves are formed in the front side and the rear side of the inner wall of the protection block, square grooves are formed in the tops of the inner walls of the two placing grooves, and fixing mechanisms are arranged in the two square grooves. According to the invention, the protection block is arranged in the battery box, so that the high-voltage lithium ion battery can be protected, the protection effect is better, and meanwhile, the constant temperature equipment is arranged in the protection block, so that the temperature in the battery box can be kept, and the constant temperature effect is better.
Description
Technical Field
The invention belongs to the technical field of high-voltage lithium ion batteries, and particularly relates to a high-voltage lithium ion battery with high volume energy density.
Background
High voltage lithium ion battery, in order to satisfy market demand, generally all until how better high pressure resistant and how more person of facilitating the use these aspects optimize, often neglected whether protection that can be fine and keep inside constant temperature, high voltage lithium ion battery has, high pressure resistant effect is better and more person of facilitating the use these beneficial parts, but have certain restriction, normal high voltage lithium ion battery's shell all is synthetic plastics, when receiving the collision, very easy the damage that appears, after the battery uses for a long time simultaneously, inside very big heat of appearing very easily, cause inside high temperature, the problem that prior art exists is: poor protection and poor internal temperature maintenance.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a high-voltage lithium ion battery with high volume energy density, which has the advantages of good protection effect and internal constant temperature maintenance and solves the problems that the existing protection effect is poor and the internal temperature cannot be well maintained.
The invention is realized in such a way that the high-voltage lithium ion battery with high volume energy density comprises a battery box, a battery cover and a protection block, wherein the bottom of the battery cover is fixedly connected with the top of the battery box, the outer surface of the protection block is spliced with the inside of the battery box, positioning grooves are formed in the front side and the rear side of the inner wall of the battery box, circular grooves are formed in the front side and the rear side of the protection block, positioning mechanisms are arranged in the two circular grooves, placing grooves are formed in the front side and the rear side of the inner wall of the protection block, square grooves are formed in the tops of the inner walls of the two placing grooves, fixing mechanisms are arranged in the two square grooves, and constant temperature equipment is matched and used in the two placing grooves.
Preferably, the front side positioning mechanism comprises a circular stop block, the outer surface of the circular stop block is slidably connected with the inside of the circular groove, a positioning block is fixedly mounted on the front side of the circular stop block, the front side of the positioning block is inserted into the positioning groove, extrusion blocks are fixedly mounted at the top and the bottom of the rear side of the circular stop block, extrusion springs are fixedly mounted on the rear sides of the two extrusion blocks, and one ends of the two extrusion springs, which are far away from the extrusion blocks, are fixedly connected with the inner wall of the circular groove.
Preferably, the top and the bottom of the inner wall of the circular groove are both provided with a strip-shaped groove, the interiors of the two strip-shaped grooves are both in sliding connection with the outer surface of the extrusion block, and the two extrusion springs are both positioned inside the strip-shaped grooves.
Preferably, the rear fixing mechanism comprises an L-shaped positioning cylinder, the outer surface of the L-shaped positioning cylinder is fixedly connected with the inner wall of the square groove, the inside of the L-shaped positioning cylinder is connected with two square blocks in a sliding way, the front side of the square block at the top is fixedly connected with a propelling block, the inner thread of the propelling block is connected with a threaded rod, the outer surface of the threaded rod is connected with the inner thread of the protecting block, the front side of the threaded rod is fixedly connected with a rotating block, the outer surface of the rotating block is rotatably connected with the inside of the protecting block, the bottom of the square block at the bottom is fixedly provided with an extrusion rod, the bottom of the extrusion rod penetrates through the L-shaped positioning cylinder and extends into the square groove, a fixed block is fixedly arranged at the bottom of the extrusion rod, the outer surface of fixed block and the inner wall sliding connection in square groove, the bottom of fixed block and the top cooperation of constant temperature equipment use.
Preferably, the left side of the inner wall of the square groove is provided with a circular through hole, and the inside of the circular through hole is matched with the outer surface of the threaded rod.
Preferably, the front side and the rear side of the inner wall of the square groove are both provided with a limiting groove, the front side and the rear side of the fixing block are both fixedly provided with limiting blocks, and the ends of the two limiting blocks, which are deviated from each other, are in sliding connection with the inner parts of the limiting grooves.
Preferably, the bottom of the inner wall of the battery box and the bottom of the battery cover are both provided with an insulating block, and the ends of the two insulating blocks, which are deviated from each other, are fixedly connected with the battery box and the battery cover.
Preferably, the front side and the rear side of the L-shaped positioning cylinder are both fixedly provided with strip-shaped blocks, and one end of each strip-shaped block, which is deviated from the corresponding strip-shaped block, is fixedly connected with the inner wall of the square groove.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the protection block is arranged in the battery box, so that the high-voltage lithium ion battery can be protected, the protection effect is better, and meanwhile, the constant temperature equipment is arranged in the protection block, so that the temperature in the battery box can be kept, and the constant temperature effect is better.
2. According to the invention, the power source of the whole positioning mechanism is realized through the stress of the positioning block, the force can be transmitted, the extrusion block is pushed to move through the circular stop block while the positioning block is stressed, so that a deformation force is given to the extrusion spring, the positioning block is extruded into the circular groove, the protection block and the battery box can be matched for use, after the matching is completed, the force is mutually applied due to the stress, the extrusion spring also gives the same reaction force to the positioning block, and therefore, the matching use of the positioning block and the positioning groove can be realized, the positioning effect of the protection block is better, and the protection effect is better.
3. According to the invention, the strip-shaped groove is arranged, and the inner part of the strip-shaped groove is matched with the outer surface of the extrusion block, so that the position of the circular stop block can be well limited, and the fixing effect is better.
4. The power source of the whole fixing mechanism is realized by manually rotating the rotating block, and because force can be transmitted, the square block is pushed to move by the threaded rod while the rotating block is rotated, so that the square block at the bottom can be extruded by air pressure in the L-shaped positioning cylinder, the fixed block is pushed to move by the extrusion rod, and the positioning of the thermostatic equipment can be realized, so that the internal temperature is kept all the time.
5. According to the invention, the circular through hole is arranged, so that the rotating effect of the threaded rod is better.
6. The limiting grooves are arranged, so that the sliding connection with the limiting blocks fixedly arranged on the front side and the rear side of the fixing block can be realized, the position of the fixing block can be well limited, and the motion track of the fixing block can be more stable.
7. According to the invention, the insulation block is arranged, so that the insulation effect inside the high-voltage lithium ion battery is better, and electric leakage is better prevented.
8. According to the invention, the strip-shaped block is arranged, so that the positioning effect of the L-shaped positioning cylinder is better.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;
FIG. 2 is a perspective view of a battery box and a protection block provided in an embodiment of the present invention;
FIG. 3 is a perspective view of a battery box provided by an embodiment of the present invention;
FIG. 4 is a perspective view of a protection block provided by an embodiment of the present invention;
FIG. 5 is a perspective view of a protection block removal thermostat provided by an embodiment of the invention;
FIG. 6 is a detailed view of a positioning mechanism provided by an embodiment of the present invention;
fig. 7 is a detailed view of a fixing mechanism provided in an embodiment of the present invention.
In the figure: 1. a battery box; 2. a battery cover; 3. a protection block; 4. positioning a groove; 5. a circular groove; 6. a positioning mechanism; 601. a circular stopper; 602. positioning blocks; 603. extruding the block; 604. a compression spring; 7. a placement groove; 8. a square groove; 9. a fixing mechanism; 901. an L-shaped positioning cylinder; 902. a square block; 903. a propulsion block; 904. a threaded rod; 905. rotating the block; 906. a fixed block; 907. an extrusion stem; 10. a strip-shaped groove; 11. a thermostatic device; 12. a circular through hole; 13. a limiting groove; 14. a limiting block; 15. an insulating block; 16. and (4) a strip-shaped block.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the high-voltage lithium ion battery with high volumetric energy density according to an embodiment of the present invention includes a battery box 1, a battery cover 2 and a protection block 3, the bottom of the battery cover 2 is fixedly connected to the top of the battery box 1, the outer surface of the protection block 3 is inserted into the battery box 1, positioning grooves 4 are respectively formed on the front side and the rear side of the inner wall of the battery box 1, circular grooves 5 are respectively formed on the front side and the rear side of the protection block 3, positioning mechanisms 6 are respectively arranged inside the two circular grooves 5, placing grooves 7 are respectively formed on the front side and the rear side of the inner wall of the protection block 3, square grooves 8 are respectively formed on the tops of the inner walls of the two placing grooves 7, fixing mechanisms 9 are respectively arranged inside the two square grooves 8, and a thermostat 11 is cooperatively used inside the two placing grooves 7.
Referring to fig. 6, the front positioning mechanism 6 includes a circular stopper 601, an outer surface of the circular stopper 601 is slidably connected with an inner portion of the circular groove 5, a positioning block 602 is fixedly mounted on a front side of the circular stopper 601, a front side of the positioning block 602 is inserted into the positioning groove 4, pressing blocks 603 are fixedly mounted on a top and a bottom of a rear side of the circular stopper 601, pressing springs 604 are fixedly mounted on rear sides of the two pressing blocks 603, and ends of the two pressing springs 604 far away from the pressing blocks 603 are fixedly connected with an inner wall of the circular groove 5.
Adopt above-mentioned scheme: realize whole positioning mechanism 6's power supply through locating piece 602 atress, because of power can transmit, promote extrusion piece 603 through circular dog 601 and remove when locating piece 602 atress, just so can realize giving the power of a deformation of extrusion spring 604, thereby squeeze into the inside of circular recess 5 with locating piece 602, just so can realize protecting block 3 and battery box 1's cooperation and use, after waiting the cooperation to accomplish, because of the power effect is mutual, extrusion spring 604 also gives locating piece 602 a same reaction force, just so can realize locating piece 602 and constant head tank 4's cooperation and use, make protecting block 3's location effect better, the effect of protection is also better simultaneously.
Referring to fig. 6, the strip-shaped grooves 10 are formed in the top and the bottom of the inner wall of the circular groove 5, the insides of the two strip-shaped grooves 10 are connected with the outer surface of the extrusion block 603 in a sliding manner, and the two extrusion springs 604 are located inside the strip-shaped grooves 10.
Adopt above-mentioned scheme: through setting up bar groove 10, and inside and the surface cooperation of extrusion piece 603 use, the position of the circular dog 601 of restriction that just so can be fine makes fixed effect better.
Referring to fig. 7, the rear fixing mechanism 9 includes an L-shaped positioning cylinder 901, an outer surface of the L-shaped positioning cylinder 901 is fixedly connected with an inner wall of a square groove 8, two square blocks 902 are slidably connected inside the L-shaped positioning cylinder 901, a pushing block 903 is fixedly connected to a front side of the top square block 902, a threaded rod 904 is connected to an internal thread of the pushing block 903, an outer surface of the threaded rod 904 is connected with an internal thread of a protection block 3, a rotating block 905 is fixedly connected to a front side of the threaded rod 904, an outer surface of the rotating block 905 is rotatably connected with an internal part of the protection block 3, an extrusion rod 907 is fixedly mounted at a bottom of the bottom square block 902, a bottom of the extrusion rod 907 penetrates through the L-shaped positioning cylinder 901 and extends into the square groove 8, a fixing block 906 is fixedly mounted at a bottom of the extrusion rod 907, an outer surface of the fixing block 906 is slidably connected with an inner wall of the square groove 8, and a bottom of the fixing block 906 is matched with a top of the thermostatic device 11.
Adopt above-mentioned scheme: the power source of the whole fixing mechanism 9 is realized through the manual rotation rotating block 905, force can be transmitted, the square block 902 is pushed to move through the threaded rod 904 while the rotating block 905 rotates, the square block 902 at the bottom can be extruded through air pressure inside the L-shaped positioning barrel 901, the fixing block 906 is pushed to move through the extrusion rod 907, and therefore positioning of the constant temperature equipment 11 can be realized, and the temperature inside the constant temperature equipment is kept all the time.
Referring to fig. 7, a circular through hole 12 is formed at the left side of the inner wall of the square groove 8, and the inside of the circular through hole 12 is engaged with the outer surface of the threaded rod 904.
Adopt above-mentioned scheme: by providing a circular through hole 12, the threaded rod 904 can be rotated more effectively.
Referring to fig. 7, the front side and the rear side of the inner wall of the square groove 8 are both provided with a limiting groove 13, the front side and the rear side of the fixing block 906 are both fixedly provided with limiting blocks 14, and one ends of the two limiting blocks 14 deviate from each other are connected with the inner part of the limiting groove 13 in a sliding manner.
Adopt above-mentioned scheme: through setting up spacing groove 13, just so can realize with the stopper 14 sliding connection of fixed block 906 front side and rear side fixed mounting, not only restriction fixed block 906's that so can be fine position, also can make the motion trail of fixed block 906 more stable simultaneously.
Referring to fig. 2 and 3, the bottom of the inner wall of the battery box 1 and the bottom of the battery cover 2 are both provided with an insulating block 15, and the ends of the two insulating blocks 15, which are away from each other, are both fixedly connected with the battery box 1 and the battery cover 2.
Adopt above-mentioned scheme: through setting up insulating block 15, just so can make the inside insulating effect of high voltage lithium ion battery better, better prevention electric leakage.
Referring to fig. 7, the front side and the rear side of the L-shaped positioning cylinder 901 are both fixedly provided with bar-shaped blocks 16, and the ends of the two bar-shaped blocks 16 departing from each other are fixedly connected with the inner wall of the square groove 8.
Adopt above-mentioned scheme: by providing the bar-shaped blocks 16, the positioning effect of the L-shaped positioning cylinder 901 can be improved.
The working principle of the invention is as follows:
when the positioning mechanism is used, firstly, the power source of the whole positioning mechanism 6 is realized through the stress of the positioning block 602, the force can be transmitted, the extrusion block 603 is pushed to move through the circular stop block 601 while the positioning block 602 is stressed, so that the force for deforming the extrusion spring 604 can be realized, the positioning block 602 is extruded into the circular groove 5, the protection block 3 and the battery box 1 can be matched for use, after the matching is completed, the force is mutually acted due to the stress, the extrusion spring 604 also gives the positioning block 602 the same reaction force, so that the positioning block 602 and the positioning groove 4 can be matched for use, meanwhile, the position of the circular stop block 601 can be well limited by arranging the strip-shaped groove 10, the positioning effect of the protection block 3 is better, and the protection effect is better, secondly, the power source of the whole fixing mechanism 9 is realized by rotating the rotating block 905 by manpower, and because the force can be transmitted, the square block 902 is pushed to move by the threaded rod 904 while the rotating block 905 is rotated, this enables the bottom square 902 to be pressed by the air pressure inside the L-shaped positioning cylinder 901, thereby pushing the fixing block 906 to move by the pressing rod 907, and simultaneously by providing the stopper groove 13, thus, the sliding connection with the limit blocks 14 fixedly installed at the front and rear sides of the fixed block 906 can be realized, so that not only the position of the fixed block 906 can be well limited, meanwhile, the movement track of the fixed block 906 can be more stable, so that the positioning of the constant temperature equipment 11 can be realized, the internal temperature can be kept all the time, and finally, by arranging the insulating block 15, therefore, the insulation effect inside the high-voltage lithium ion battery is better, and electric leakage is better prevented.
In summary, the following steps: this high voltage lithium ion battery of high volume energy density is provided with protection piece 3 through the inside at battery box 1, just so can realize realizing the protection to high voltage lithium ion battery, makes the effect of protection better, is provided with thermostatic equipment 11 in protection piece 3's inside simultaneously, just so can keep the inside temperature of battery box 1, makes homothermal effect better.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high voltage lithium ion battery of high volume energy density, includes battery box (1), battery cover (2) and protection piece (3), its characterized in that: the battery cover comprises a battery cover body (2) and a battery box body (1), wherein the outer surface of a protection block (3) is connected with the inside of the battery box body (1) in an inserting mode, positioning grooves (4) are formed in the front side and the rear side of the inner wall of the battery box body (1), circular grooves (5) are formed in the front side and the rear side of the protection block (3), positioning mechanisms (6) are arranged inside the two circular grooves (5), placing grooves (7) are formed in the front side and the rear side of the inner wall of the protection block (3), square grooves (8) are formed in the tops of the inner walls of the two placing grooves (7), fixing mechanisms (9) are arranged inside the two square grooves (8), and constant temperature equipment (11) are matched and used inside the two placing grooves (7).
2. A high voltage lithium ion battery of high volumetric energy density according to claim 1, wherein: front side positioning mechanism (6) include circular dog (601), the surface of circular dog (601) and the inside sliding connection of circular recess (5), the front side fixed mounting of circular dog (601) has locating piece (602), the front side of locating piece (602) is pegged graft with the inside of constant head tank (4), the top and the equal fixed mounting in bottom of circular dog (601) rear side have extrusion piece (603), and the equal fixed mounting in rear side of two extrusion pieces (603) has extrusion spring (604), and the one end that extrusion piece (603) were kept away from in two extrusion springs (604) all with the inner wall fixed connection of circular recess (5).
3. A high voltage lithium ion battery of high volumetric energy density according to claim 2, wherein: strip groove (10) have all been seted up to the top and the bottom of circular recess (5) inner wall, the inside of two strip grooves (10) all with the surface sliding connection of extrusion piece (603), two extrusion springs (604) all are located the inside in strip groove (10).
4. A high voltage lithium ion battery of high volumetric energy density according to claim 1, wherein: the rear fixing mechanism (9) comprises an L-shaped positioning barrel (901), the outer surface of the L-shaped positioning barrel (901) is fixedly connected with the inner wall of a square groove (8), two square blocks (902) are slidably connected inside the L-shaped positioning barrel (901), a pushing block (903) is fixedly connected to the front side of the square block (902) at the top, a threaded rod (904) is connected to the inner thread of the pushing block (903), the outer surface of the threaded rod (904) is connected with the inner thread of a protection block (3), a rotating block (905) is fixedly connected to the front side of the threaded rod (904), the outer surface of the rotating block (905) is rotatably connected with the inner part of the protection block (3), a squeezing rod (907) is fixedly installed at the bottom of the square block (902), the bottom of the squeezing rod (907) penetrates through the L-shaped positioning barrel (901) and extends to the inner part of the square groove (8), the bottom of the extrusion rod (907) is fixedly provided with a fixed block (906), the outer surface of the fixed block (906) is in sliding connection with the inner wall of the square groove (8), and the bottom of the fixed block (906) is matched with the top of the thermostatic equipment (11) for use.
5. A high voltage lithium ion battery of high volumetric energy density according to claim 4, wherein: circular through-hole (12) have been seted up to the left side of square groove (8) inner wall, the inside of circular through-hole (12) is used with the surface cooperation of threaded rod (904).
6. A high voltage lithium ion battery of high volumetric energy density according to claim 4, wherein: spacing groove (13) have all been seted up to the front side and the rear side of square groove (8) inner wall, the equal fixed mounting in front side and the rear side of fixed block (906) has stopper (14), and the inside sliding connection of one end that two stoppers (14) deviate from mutually and spacing groove (13).
7. A high voltage lithium ion battery of high volumetric energy density according to claim 1, wherein: the bottom of the inner wall of the battery box (1) and the bottom of the battery cover (2) are both provided with insulating blocks (15), and one ends of the two insulating blocks (15) which are deviated from each other are fixedly connected with the battery box (1) and the battery cover (2).
8. A high voltage lithium ion battery of high volumetric energy density according to claim 4, wherein: the front side and the rear side of the L-shaped positioning cylinder (901) are fixedly provided with strip-shaped blocks (16), and one ends of the two strip-shaped blocks (16) which deviate from each other are fixedly connected with the inner wall of the square groove (8).
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Denomination of invention: A High Voltage Lithium Ion Battery with High Volume Energy Density Effective date of registration: 20230426 Granted publication date: 20230328 Pledgee: Industrial and Commercial Bank of China Limited Guzhen Branch Pledgor: ANHUI QIANHANG NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2023980039309 |
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