CN115133106A - Aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance - Google Patents
Aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance Download PDFInfo
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- CN115133106A CN115133106A CN202210808959.2A CN202210808959A CN115133106A CN 115133106 A CN115133106 A CN 115133106A CN 202210808959 A CN202210808959 A CN 202210808959A CN 115133106 A CN115133106 A CN 115133106A
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- lithium battery
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- protection device
- heat dissipation
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- 241000238367 Mya arenaria Species 0.000 title claims abstract description 38
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 22
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 108
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 108
- 230000017525 heat dissipation Effects 0.000 claims description 58
- 238000009434 installation Methods 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 239000010410 layer Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000003801 milling Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 abstract description 5
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 210000004027 cell Anatomy 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000009941 weaving 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
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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
-
- 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
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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)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance, relates to the technical field of lithium ion batteries, and aims to solve the problem that the battery explodes due to overhigh temperature in the use process of the conventional aluminum-plastic soft-shell lithium battery. Be provided with first shell on the explosion-proof type lithium cell, the terminal surface of first shell is provided with the second shell, all be provided with reinforcement member No. one on first shell, the second shell, reinforcement member's both ends all are provided with reinforcement member No. two, the upper end of first shell, second shell is provided with lithium battery protection device, be provided with on the lantern ring component of lithium battery protection device upper left end and fill electric pile, be provided with the pile that discharges on the lantern ring component of lithium battery protection device upper right end, the terminal surface all is provided with heat radiation structure around first shell, the second shell, the inside of first shell, second shell is provided with lithium battery pack.
Description
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to an aluminum-plastic soft shell high-capacity lithium ion battery with excellent explosion-proof performance.
Background
The existing traditional device has the following application numbers: 201822232084.8, named: a square aluminum shell lithium ion battery with high capacity density. The device comprises: the battery body, the outer wall of battery body swing joint has buffer board and connecting plate respectively, the quantity of connecting plate is eight, and per four the connecting plate sets up the outer wall at battery body for a set of symmetry, the outer wall of buffer board and the outer wall fixed connection of connecting plate. This square aluminum hull lithium ion battery of high capacity density connects the inner wall of slider and spout through setting up spacing spring, can make the guard plate receive the impact force when falling carelessly in the handling of battery body and be close to the battery body, contained angle increase between head rod and the second connecting rod simultaneously, spacing spring atress compression, can effectually cushion the impact force, avoid the battery body to take place to damage the condition emergence that causes the explosion, can effectual promotion battery body's safety in utilization, the life of extension battery body.
When the device is used, the problem that the battery explodes because the temperature of the battery is too high in the use process of the lithium battery exists.
Therefore, an aluminum-plastic soft shell high-capacity lithium ion battery with excellent explosion-proof performance is provided, so as to solve the problem that the battery explodes due to overhigh temperature in the use process of the lithium battery in the conventional aluminum-plastic soft shell lithium battery.
Disclosure of Invention
The invention aims to provide an aluminum-plastic soft shell high-capacity lithium ion battery with excellent explosion-proof performance, and aims to solve the problem that the battery explodes due to overhigh temperature in the using process of the lithium battery in the conventional aluminum-plastic soft shell lithium battery provided in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an aluminum-plastic soft shell high-capacity lithium ion battery with excellent explosion-proof performance comprises an explosion-proof lithium battery, wherein a first shell is arranged on the explosion-proof lithium battery, a second shell is arranged on the end face of the first shell, primary fixed connecting structures are arranged on two sides of the first shell and the second shell and fixedly connected with two sides of the first shell and the second shell, a first reinforcing component is arranged on each of the first shell and the second shell, two ends of the first reinforcing component are respectively provided with a second reinforcing component, a connecting bolt is arranged on each of the second reinforcing components and is in through connection with the second reinforcing component, a lithium battery protection device is arranged at the upper ends of the first shell and the second shell and is fixedly connected with the upper ends of the first shell and the second shell, a lantern ring component is arranged at the upper end of the lithium battery protection device, and lantern ring component and lithium battery protection device's upper end welded connection, lantern ring component is provided with two sets ofly, be provided with on the lantern ring component of the upper left end of lithium battery protection device and fill electric pile, and fill electric pile and lithium battery protection device upper left end lantern ring component welded connection, be provided with the pile that discharges on the lantern ring component of the upper right end of lithium battery protection device, and the pile that discharges and lithium battery protection device upper right end lantern ring component welded connection, the terminal surface all is provided with heat radiation structure around first shell, the second shell, and terminal surface fixed connection around heat radiation structure and first shell, the second shell, the inside of first shell, second shell is provided with lithium battery pack.
Preferably, lithium battery pack's upper end is provided with connection structure, and connection structure and lithium battery pack's upper end fixed connection, lithium battery pack's inside is provided with the plastic-aluminum soft shell lithium cell, be provided with the connecting plate between lithium battery pack and connection structure's the connection, be provided with on the connecting plate and connect the protruding stake component.
Preferably, the upper end of plastic-aluminum soft shell lithium cell is provided with lithium cell electrode connecting plate, and the upper end fixed connection of lithium cell electrode connecting plate and plastic-aluminum soft shell lithium cell, the upper end of lithium cell electrode connecting plate is provided with electrode pile component, and the upper end welded connection of electrode pile component and lithium cell electrode connecting plate.
Preferably, the inside of plastic-aluminum soft shell lithium cell is provided with lithium cell body, and lithium cell body and plastic-aluminum soft shell lithium cell are the assembled relation.
Preferably, all be provided with mounting groove on filling electric pile, the stake of discharging, and mounting groove with fill electric pile, the stake of discharging is washed through milling cutter and is milled and form, lithium battery protection device's the right is provided with excessive discharge protection device, excessive discharge protection device's one side is provided with overcharge protection device.
Preferably, one end of each of the over-discharge protection device and the over-charge protection device is provided with a heat dissipation grid member, and the heat dissipation grid member is fixedly connected with one end of each of the over-discharge protection device and the over-charge protection device.
Preferably, the top of first shell, second shell all is provided with connect the through-hole, be provided with the explosion-proof layer in the interior intermediate layer of first shell, second shell, one side on explosion-proof layer is provided with toughness and weaves the protective layer, toughness is woven one side of protective layer and is provided with the inner shell, be provided with the installation guide rail component on the inner shell, and installation guide rail component and inner shell welded connection.
Preferably, the heat dissipation structure is provided with a heat dissipation structure shell member, the upper end and the lower end of the heat dissipation structure shell member are both provided with fixing bolt members, the end face of the heat dissipation structure shell member is provided with a cover plate member, the cover plate member is provided with a screw member, and the screw member is in through connection with the cover plate member.
Preferably, the middle of the upper half section and the lower half section of the cover plate member is provided with a fixing component, the fixing component is fixedly connected with the middle of the upper half section and the lower half section of the cover plate member, the fixing component is provided with an installation fixing structure, the installation fixing structure is provided with a heat dissipation ventilation fan member, and the fixing component, the installation fixing structure and the heat dissipation ventilation fan member are combined parts.
Preferably, a mounting groove is formed in the heat dissipation structure shell member, a heat dissipation sheet is arranged in the mounting groove, and the heat dissipation sheet is fixedly connected with the inner wall of the mounting groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a battery cooling structure, which comprises a cover plate component, a heat dissipation structure shell component, a fixing bolt component, a fixing component, a mounting and fixing structure, a heat dissipation ventilating fan component and a heat dissipation sheet.
2. Through the arrangement of the over-discharge protection device, the over-charge protection device and the radiating grid piece component, the over-discharge protection device continuously monitors the current amount in the process of continuous discharge of the battery, the release supply of the current is automatically cut off when the released current amount reaches a preset maximum threshold value, the over-charge protection device continuously monitors the current amount storage amount of the battery when continuously replenishing the current to the battery, the replenishment of the current is automatically cut off when the replenished current reaches the maximum capacity of the battery, and in addition, the radiating grid pieces arranged on the over-discharge protection device and the over-charge protection device are used for carrying out heat dissipation and temperature reduction protection on respective devices to ensure the safety of the operation of the devices.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of an internal parsing structure according to the present invention;
FIG. 3 is a schematic view of a lithium battery cell pack according to the present invention;
FIG. 4 is a schematic structural diagram of an aluminum-plastic soft-shell lithium battery of the present invention;
FIG. 5 is a schematic structural diagram of a lithium battery protection device according to the present invention;
FIG. 6 is a schematic structural diagram of a first housing and a second housing according to the present invention;
FIG. 7 is a schematic view of a heat dissipation structure according to the present invention;
FIG. 8 is a schematic view of the internal structure of the heat dissipation structure of the present invention;
in the figure: 1. an explosion-proof lithium battery; 2. a first housing; 3. a second housing; 4. a primary fixed connection structure; 5. a first reinforcing member; 6. a second reinforcement member; 7. a connecting bolt; 8. a lithium battery protection device; 9. a collar member; 10. charging piles; 11. discharging piles; 12. a heat dissipation structure; 13. a lithium battery pack; 14. a connecting structure; 15. an aluminum-plastic soft-shelled lithium battery; 16. a connecting plate; 17. connecting the convex pile members; 18. a lithium battery electrode connecting plate; 19. an electrode pile member; 20. a lithium battery body; 21. installing a groove; 22. an over-discharge protection device; 23. an overcharge protection device; 24. a heat-dissipating grid member; 25. a connecting through hole; 26. an explosion-proof layer; 27. weaving a protective layer in a flexible way; 28. an inner shell; 29. mounting a rail member; 30. a heat dissipating structural housing member; 31. a securing pin member; 32. a cover member; 33. a screw member; 34. a fixing assembly; 35. installing a fixed structure; 36. a heat dissipating ventilation fan member; 37. mounting grooves; 38. and a heat sink.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-8, an embodiment of the present invention: an aluminum-plastic soft-shell large-capacity lithium ion battery with excellent explosion-proof performance comprises an explosion-proof lithium battery 1, wherein a first shell 2 is arranged on the explosion-proof lithium battery 1, a second shell 3 is arranged on the end face of the first shell 2, primary fixed connecting structures 4 are respectively arranged on two sides of the first shell 2 and the second shell 3, the primary fixed connecting structures 4 are fixedly connected with two sides of the first shell 2 and the second shell 3, a first reinforcing component 5 is respectively arranged on the first shell 2 and the second shell 3, two ends of the first reinforcing component 5 are respectively provided with a second reinforcing component 6, a connecting bolt 7 is arranged on the second reinforcing component 6, the connecting bolt 7 is connected with the second reinforcing component 6 in a penetrating manner, a lithium battery protection device 8 is arranged at the upper ends of the first shell 2 and the second shell 3, and the lithium battery protection device 8 is fixedly connected with the upper ends of the first shell 2 and the second shell 3, lithium battery protection device 8's upper end is provided with lantern ring component 9, and lantern ring component 9 and lithium battery protection device 8's upper end welded connection, lantern ring component 9 is provided with two sets ofly, be provided with on the lantern ring component 9 of the upper left end of lithium battery protection device 8 and fill electric pile 10, and fill electric pile 10 and lithium battery protection device 8 upper left end lantern ring component 9 welded connection, be provided with the pile 11 that discharges on the lantern ring component 9 of the upper right end of lithium battery protection device 8, and pile 11 and lithium battery protection device 8 upper right end welded connection, first shell 2, the terminal surface all is provided with heat radiation structure 12 around the second shell 3, and heat radiation structure 12 and first shell 2, terminal surface fixed connection around second shell 3, first shell 2, the inside of second shell 3 is provided with lithium battery pack 13.
Further, the upper end of lithium battery pack 13 is provided with connection structure 14, and connection structure 14 and lithium battery pack 13's upper end fixed connection, lithium battery pack 13's inside is provided with plastic-aluminum soft shell lithium cell 15, be provided with connecting plate 16 between lithium battery pack 13 and connection structure 14's the connection, be provided with on the connecting plate 16 and connect protruding stake component 17, connection structure 14 is used for the electric connection between the part, connecting plate 16 is used for with lithium battery pack 13 electric connection, it is used for the conductivity to connect protruding stake component 17.
Further, the upper end of the aluminum-plastic soft shell lithium battery 15 is provided with a lithium battery electrode connecting plate 18, the lithium battery electrode connecting plate 18 is fixedly connected with the upper end of the aluminum-plastic soft shell lithium battery 15, the upper end of the lithium battery electrode connecting plate 18 is provided with an electrode pile component 19, the electrode pile component 19 is welded and connected with the upper end of the lithium battery electrode connecting plate 18, the lithium battery electrode connecting plate 18 is used for electrically connecting the aluminum-plastic soft shell lithium battery 15, and the electrode pile component 19 is used for conducting electricity.
Further, the inside of the aluminum-plastic soft shell lithium battery 15 is provided with a lithium battery body 20, and the lithium battery body 20 and the aluminum-plastic soft shell lithium battery 15 are in an assembly relationship, and the lithium battery body 20 is used for storing electric energy.
Further, fill electric pile 10, all be provided with mounting groove 21 on the stake 11 that discharges, and mounting groove 21 with fill electric pile 10, the stake 11 that discharges is formed through milling cutter rush-milling, lithium battery protection device 8's the right is provided with excessive discharge protection device 22, excessive discharge protection device 22's one side is provided with overcharge protection device 23, mounting groove 21 is used for making the part connection rather than firm, excessive discharge protection device 22 is used for protecting the battery, prevent its excessive discharge, excessive discharge protection device 23 is used for protecting the battery, prevent that it from overcharging and taking place the battery burst.
Further, one end of each of the over-discharge protection device 22 and the overcharge protection device 23 is provided with a heat dissipation grid member 24, the heat dissipation grid member 24 is fixedly connected with one end of the over-discharge protection device 22 and one end of the overcharge protection device 23, and the heat dissipation grid member 24 is used for heat dissipation of the over-discharge protection device 22 and the overcharge protection device 23.
Further, first shell 2, the top of second shell 3 all is provided with connect the via hole 25, first shell 2, be provided with explosion-proof layer 26 in the interior intermediate layer of second shell 3, one side of explosion-proof layer 26 is provided with toughness and weaves protective layer 27, one side of toughness and weaves protective layer 27 is provided with inner shell 28, be provided with installation guide rail member 29 on the inner shell 28, and install guide rail member 29 and inner shell 28 welded connection, connect the via hole 25 be convenient for with placing of battery adapting unit, explosion-proof layer 26, toughness and weave protective layer 27 and all be used for after the battery explodes, reduce the destruction that the battery explosion brought, fall the loss to minimum, inner shell 28 is the supporter, play the effect of support, install guide rail member 29 and be convenient for lithium battery pack 13's quick installation.
Further, a heat dissipation structure housing member 30 is disposed on the heat dissipation structure 12, fixing bolt members 31 are disposed at both upper and lower ends of the heat dissipation structure housing member 30, a cover member 32 is disposed on an end surface of the heat dissipation structure housing member 30, a screw member 33 is disposed on the cover member 32, the screw member 33 is connected to the cover member 32 in a penetrating manner, the heat dissipation structure housing member 30 is an outer frame of the heat dissipation structure 12, the fixing bolt members 31 are used for mounting and fixing the heat dissipation structure 12, the cover member 32 serves to protect components below the cover member, and is used for mounting other components, and the screw member 33 is used for mounting and fixing the cover member 32.
Further, a fixing component 34 is arranged in the middle of the upper half section and the lower half section of the cover plate member 32, the fixing component 34 is fixedly connected with the middle of the upper half section and the lower half section of the cover plate member 32, an installation fixing structure 35 is arranged on the fixing component 34, a heat dissipation ventilating fan member 36 is arranged on the installation fixing structure 35, the fixing component 34, the installation fixing structure 35 and the heat dissipation ventilating fan member 36 are combined parts, the fixing component 34 and the installation fixing structure 35 are used for installation connection of the heat dissipation ventilating fan member 36, and the heat dissipation ventilating fan member 36 is used for heat dissipation and ventilation.
Further, a mounting groove 37 is provided in the heat dissipation structure housing member 30, a heat sink 38 is provided in the mounting groove 37, and the heat sink 38 is fixedly connected to the inner wall of the mounting groove 37, the mounting groove 37 is used for mounting and connecting the heat sink 38, and the heat sink 38 is used for absorbing and then dissipating heat generated when the battery is used.
The working principle is as follows: when the device is used, firstly, the lithium battery component 13 is connected with the first shell 2 and the second shell 3, the reinforcing members of the first-stage fixed connecting structure 4, the first reinforcing member 5 and the second reinforcing member 6 are sequentially connected after the installation is finished through the installation guide rail members 29 in the first shell 2 and the second shell 3, then, parts needing to be connected are sequentially connected, after the connection is finished, the current in the battery is released through the discharging pile 11, the over-discharge protection device 22 monitors the current release condition in real time simultaneously in the process of continuously releasing the current of the battery, the over-discharge protection device 22 cuts off the supply of the current release after the current release of the battery reaches the maximum and is close to the protection capacity, and the over-charge protection device 23 simultaneously monitors the current supplement condition in real time in the process of continuously supplementing the current of the battery through the charging pile 10, after the supplemented current reaches the maximum capacity of the battery, the overcharge protection device 23 automatically cuts off the current supplementation, thereby protecting the battery and prolonging the service life of the battery, meanwhile, the heat dissipation grid sheet members 24 arranged on the overdischarge protection device 22 and the overcharge protection device 23 are used for enabling the battery to safely operate, in addition, in the using process of the battery, heat can be generated, if the heat can not be dissipated in time, the explosion of the battery can be finally caused due to continuous accumulation, the problem can be solved by installing the heat dissipation structures 12 on the first shell 2 and the second shell 3 of the battery, the heat dissipation ventilation fan members 36 on the heat dissipation structures 12 discharge the heat absorbed and dissipated by the heat dissipation fins 38 through the rotation of the heat dissipation fan members, so that the purposes of heat dissipation and temperature reduction of the battery and safe use are achieved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides an explosion-proof excellent performance's soft shell large capacity lithium ion battery of plastic-aluminum, includes explosion-proof type lithium cell (1), its characterized in that: the explosion-proof lithium battery is characterized in that a first shell (2) is arranged on the explosion-proof lithium battery (1), a second shell (3) is arranged on the end face of the first shell (2), a first-level fixed connecting structure (4) is arranged on each of the two sides of the first shell (2) and the second shell (3), the first-level fixed connecting structure (4) is fixedly connected with the two sides of the first shell (2) and the second shell (3), a first reinforcing member (5) is arranged on each of the first shell (2) and the second shell (3), two reinforcing members (6) are arranged at each of the two ends of the first reinforcing member (5), a connecting bolt (7) is arranged on each second reinforcing member (6), the connecting bolt (7) is connected with the second reinforcing member (6) in a penetrating manner, a lithium battery protection device (8) is arranged at the upper ends of the first shell (2) and the second shell (3), and the lithium battery protection device (8) is fixedly connected with the upper ends of the first shell (2) and the second shell (3), the upper end of the lithium battery protection device (8) is provided with a lantern ring component (9), the lantern ring component (9) is welded with the upper end of the lithium battery protection device (8), the lantern ring components (9) are provided with two groups, the lantern ring component (9) at the left upper end of the lithium battery protection device (8) is provided with a charging pile (10), the charging pile (10) is welded with the lantern ring component (9) at the left upper end of the lithium battery protection device (8), the lantern ring component (9) at the right upper end of the lithium battery protection device (8) is provided with a discharging pile (11), the discharging pile (11) is welded with the lantern ring component (9) at the right upper end of the lithium battery protection device (8), the front and back end faces of the first shell (2) and the second shell (3) are provided with heat dissipation structures (12), and the heat dissipation structure (12) is fixedly connected with the front end face and the rear end face of the first shell (2) and the second shell (3), and lithium battery components (13) are arranged in the first shell (2) and the second shell (3).
2. The aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance as claimed in claim 1, is characterized in that: the upper end of lithium battery pack (13) is provided with connection structure (14), and the upper end fixed connection of connection structure (14) and lithium battery pack (13), the inside of lithium battery pack (13) is provided with plastic-aluminum soft shell lithium cell (15), be provided with connecting plate (16) between the connection of lithium battery pack (13) and connection structure (14), be provided with on connecting plate (16) and connect protruding stake component (17).
3. The aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance as claimed in claim 2, is characterized in that: the upper end of plastic-aluminum soft shell lithium cell (15) is provided with lithium cell electrode connecting plate (18), and the upper end fixed connection of lithium cell electrode connecting plate (18) and plastic-aluminum soft shell lithium cell (15), the upper end of lithium cell electrode connecting plate (18) is provided with electrode pile component (19), and the upper end welded connection of electrode pile component (19) and lithium cell electrode connecting plate (18).
4. The aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance as claimed in claim 3, is characterized in that: the lithium battery is characterized in that a lithium battery body (20) is arranged inside the aluminum-plastic soft shell lithium battery (15), and the lithium battery body (20) and the aluminum-plastic soft shell lithium battery (15) are in an assembly relation.
5. The aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance as claimed in claim 1, is characterized in that: charging pile (10), all be provided with mounting groove (21) on discharging pile (11), and mounting groove (21) with charge pile (10), discharging pile (11) and wash through milling cutter and form, the right of lithium battery protection device (8) is provided with excessive discharge protection device (22), one side of excessive discharge protection device (22) is provided with excessive discharge protection device (23).
6. The aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance as claimed in claim 5 is characterized in that: one end of each of the over-discharge protection device (22) and the over-charge protection device (23) is provided with a heat dissipation grid piece member (24), and the heat dissipation grid piece member (24) is fixedly connected with one end of each of the over-discharge protection device (22) and the over-charge protection device (23).
7. The aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance as claimed in claim 1, is characterized in that: the top of first shell (2), second shell (3) all is provided with connect the through-hole (25), be provided with explosion-proof layer (26) in the interior intermediate layer of first shell (2), second shell (3), one side of explosion-proof layer (26) is provided with toughness and weaves protective layer (27), one side of toughness and weaves protective layer (27) is provided with inner shell (28), be provided with installation guide rail component (29) on inner shell (28), and installation guide rail component (29) and inner shell (28) welded connection.
8. The aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance as claimed in claim 1, is characterized in that: the heat dissipation structure is characterized in that a heat dissipation structure shell component (30) is arranged on the heat dissipation structure (12), fixing bolt components (31) are arranged at the upper end and the lower end of the heat dissipation structure shell component (30), a cover plate component (32) is arranged on the end face of the heat dissipation structure shell component (30), a screw component (33) is arranged on the cover plate component (32), and the screw component (33) is in penetrating connection with the cover plate component (32).
9. The aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance according to claim 8, is characterized in that: the middle of half section about apron component (32) is provided with fixed subassembly (34), and fixed subassembly (34) and the middle fixed connection of half section about apron component (32), be provided with installation fixed knot structure (35) on fixed subassembly (34), be provided with heat dissipation ventilation fan component (36) on the installation fixed knot structure (35), three parts of fixed subassembly (34), installation fixed knot structure (35), heat dissipation ventilation fan component (36) are the sub-assembly.
10. The aluminum-plastic soft-shell high-capacity lithium ion battery with excellent explosion-proof performance according to claim 8, is characterized in that: the heat dissipation structure comprises a heat dissipation structure shell component (30), wherein a mounting groove (37) is formed in the heat dissipation structure shell component (30), a heat dissipation sheet (38) is arranged in the mounting groove (37), and the heat dissipation sheet (38) is fixedly connected with the inner wall of the mounting groove (37).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210808959.2A CN115133106B (en) | 2022-07-11 | 2022-07-11 | Aluminium plastic soft shell high-capacity lithium ion battery with excellent explosion-proof performance |
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| CN202210808959.2A CN115133106B (en) | 2022-07-11 | 2022-07-11 | Aluminium plastic soft shell high-capacity lithium ion battery with excellent explosion-proof performance |
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| CN115133106A true CN115133106A (en) | 2022-09-30 |
| CN115133106B CN115133106B (en) | 2024-05-03 |
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| CN115133106B (en) | 2024-05-03 |
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