CN114552103B - Lithium titanate battery package assembly - Google Patents

Lithium titanate battery package assembly Download PDF

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Publication number
CN114552103B
CN114552103B CN202210441415.7A CN202210441415A CN114552103B CN 114552103 B CN114552103 B CN 114552103B CN 202210441415 A CN202210441415 A CN 202210441415A CN 114552103 B CN114552103 B CN 114552103B
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battery
frame
explosion
proof
plate
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CN114552103A (en
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俞珩
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Nantong Longhai Electronic Technology Co ltd
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Nantong Longhai Electronic Technology Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/488Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222Inorganic material
    • H01M50/224Metals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264Mountings; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289Mountings; 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
    • H01M50/291Mountings; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51Connection only in series
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/571Methods or arrangements for affording protection against corrosion; Selection of materials therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/588Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593Spacers; Insulating plates
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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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)
  • Inorganic Chemistry (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a lithium titanate battery assembly structure, and particularly relates to the technical field of battery assembly, which comprises an external protection frame plate, wherein an insulating groove is formed in one side of the external protection frame plate, a battery cathode connecting column is arranged in the insulating groove, three vertically superposed battery explosion-proof frames are arranged at one end of the battery cathode connecting column, and safety mechanisms are arranged on two sides of each battery explosion-proof frame; the safety mechanism comprises a side flame-retardant plate arranged on one side of the battery explosion-proof frame, and a cross-shaped positioning groove block is installed at one end of the side flame-retardant plate. According to the invention, the safety mechanism is adopted to enable the pressure sensor to monitor the inflation degree of the lithium battery in the battery anti-explosion frame, so that early warning is carried out in real time, the problems of abnormity and the like of the lithium battery can be prompted to personnel, the explosion problem of the lithium battery caused by inflation is avoided, the internal strength is improved, the problems of easy explosion and the like are avoided, and the safety of the lithium battery in the using process is effectively improved.

Description

Lithium titanate battery package assembly
Technical Field
The invention relates to the technical field of battery assembly, in particular to a lithium titanate battery assembly structure.
Background
The lithium titanate battery is used as a negative electrode material of the lithium ion battery, namely lithium titanate, and can be formed by lithium manganate, ternary materials or lithium iron phosphate and other positive electrode materials, and the performance improvement of the Lithium Titanate (LTO) battery is the comprehensive embodiment of the performance improvement of a single material and the organic integration of all key materials. Aiming at the requirements of quick charge and long service life, besides a negative electrode material, other key raw materials (including a positive electrode material, a diaphragm and electrolyte) of a lithium ion battery are required to be produced and manufactured by combining special engineering process experience, and the battery is required to be assembled and used in the production and assembly process of the lithium titanate battery.
In the prior art, a Lithium Titanate (LTO) material is used as a negative electrode material in a battery, due to the characteristics of the LTO material, interaction between the material and an electrolyte is easy to occur and gas is separated out in the charging and discharging cyclic reaction process, so that the common lithium titanate battery is easy to expand, a battery core is expanded, the electrical property is greatly reduced, the theoretical cycle life of the lithium titanate battery is greatly shortened, excessive expansion is caused, the danger of explosion and the like exists, and the safety is low.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a lithium titanate battery assembly structure, which employs a safety mechanism to implement dual safety protection of a lithium battery, perform early warning in real time, increase the support strength of an explosion-proof frame of the battery, improve the internal strength, avoid the problems of easy explosion and the like, effectively improve the safety of the lithium battery during use, and solve the problems proposed in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a lithium titanate battery assembly structure comprises an external protection frame plate, wherein an insulation groove is formed in one side of the external protection frame plate, a battery cathode connecting column is arranged in the insulation groove, three vertically stacked battery explosion-proof frames are mounted at one end of the battery cathode connecting column, and safety mechanisms are arranged on two sides of each battery explosion-proof frame;
safety mechanism is including setting up the fire-retardant board in side of battery explosion-proof frame one side, cross positioning groove piece is installed to fire-retardant board one end in side, the inside locating piece that is used for the joint that is provided with of cross positioning groove piece, the fixing bolt who is used for the fastening is installed on the locating piece top, two be equipped with fixed frame between the locating piece, the inside explosion-proof steel sheet that is provided with of fixed frame, the damping buffer board that is used for the buffering is installed to explosion-proof steel sheet one end, the lithium cell is installed to battery explosion-proof frame, the lithium cell top is provided with the location sealing frame with battery explosion-proof frame top end joint, the inside embedding frame that is provided with of location sealing frame, inside embedding frame (14) is provided with pressure sensor.
In a preferred embodiment, an anti-oxidation ring block is sleeved outside the battery negative connecting column, and the anti-oxidation ring block is fixedly connected with the battery negative connecting column.
In a preferred embodiment, the top end of the inner embedding frame is connected with a sealing base plate, the sealing base plate is fixedly connected with the inner embedding frame, the top end of the sealing base plate is provided with an explosion-proof extrusion plate, one side of the pressure sensor is provided with a temperature sensor, and the top end of the side flame-retardant plate is provided with a wireless transmitter.
In a preferred embodiment, the cross sections of the positioning sealing frame and the internal embedding frame are the same in shape and different in size, and are in embedded clamping connection with the top end of the battery explosion-proof frame.
In a preferred embodiment, fixed connection between locating piece and the fixed frame, carry out detachable connection through fixing bolt between locating piece and the fire-retardant board of side, damping buffer board both sides respectively with explosion-proof steel sheet and fixed frame inner wall fixed connection between two liang.
In a preferred embodiment, battery negative pole spliced pole one side is provided with protection machanism, protection machanism is including setting up the anodal spliced pole of battery in battery negative pole spliced pole one side, the outside cover of battery anodal spliced pole is equipped with the lantern ring shell fragment of connecting, the outside insulating casing that sets up of lantern ring shell fragment, a plurality of insulating connecting blocks are installed on the insulating casing top, outside protection deckle board one side is provided with joint strip, battery negative pole spliced pole is kept away from battery explosion-proof frame pot head and is equipped with the protection insulation board, the protection insulation board is fixed with the bonding of outside protection deckle board inner wall, the display screen is installed to protection insulation board one side, adjacent two be provided with the buffering protection between the fire-retardant board in side and fill up.
In a preferred embodiment, the connection lantern ring elastic piece and the battery positive pole connecting column are fixed in a welding mode, the connection lantern ring elastic piece is made of copper materials, and the connection lantern ring elastic piece and the insulating shell are fixedly bonded.
In a preferred embodiment, stabilizing mean is installed to fire-retardant board one side in side, stabilizing mean includes the first locating support of fire-retardant board one side in side, the apron is installed down to first locating support bottom, the inside first connection spiro that is provided with in first locating support top, the second locating support is installed to first connection spiro top, the spiro is connected to the inside fixedly connected with second of second locating support, the spiro internal thread connection has drive screw in the second connection, hexagon nut in the drive screw top is installed.
In a preferred embodiment, the second positioning support and the first positioning support are provided with fixed linkage frames on both sides, a side fixing frame is mounted at one end of each fixed linkage frame, the side fixing frame is fixedly connected with the fixed linkage frames, a through hole is formed in the bottom end of the side fixing frame, a positioning support rod is arranged in the through hole, and the positioning support rod is slidably connected with the side fixing frame to which the through hole belongs.
In a preferred embodiment, the internal threads of the second connecting spiral ring and the internal threads of the first connecting spiral ring are opposite, the first positioning bracket and the lower gland plate are welded and fixed, the lower gland plate is made of stainless steel, and the first positioning bracket and the second positioning bracket are symmetrically arranged.
The invention has the technical effects and advantages that:
1. the invention adopts the safety mechanism to enable the pressure sensor to monitor the degree of the flatulence of the lithium battery in the battery anti-explosion frame, the pressure formed by the flatulence of the lithium battery can act on the pressure sensor, the wireless transmitter can connect the data to the mobile phone through Bluetooth to carry out display operation and monitor abnormal data in the lithium battery in real time, the side flame-retardant plate and the battery anti-explosion frame play a role in reinforcing, the positioning block plays a role in reinforcing the fixed frame, double safety protection of the lithium battery is realized, and early warning is carried out in real time, can prompt personnel of the problems of abnormity of the lithium battery and the like, avoids the explosion problem of the lithium battery caused by the flatulence, in addition, the multi-surface of the lithium battery is reinforced in the assembling process, so that the supporting strength of the explosion-proof frame of the battery can be increased, the internal strength is improved, the problems of easiness in causing explosion and the like are avoided, and the safety of the lithium battery in the using process is effectively improved;
2. according to the invention, the protection mechanism is adopted to rotate the inner hexagon nut by using the electric bolt gun to drive the transmission screw to rotate, the second connection spiral ring and the first connection spiral ring are close to each other, so that a linkage fixing effect can be formed, the multi-lithium battery can be quickly fixed, and a plurality of lithium batteries can be quickly replaced in the later period, so that the assembly efficiency is greatly improved, the multi-point quick fixing operation in the assembly process is realized, the lithium batteries are more convenient to assemble and use, meanwhile, the side edges of the lithium batteries are supported and protected by the second positioning brackets and the first positioning brackets, the side surfaces of the lithium batteries are also protected, the collision problem is prevented, and the safety and stability of the whole battery set are effectively improved;
3. according to the invention, the fixing mechanism is adopted to enable the connecting lantern ring elastic pieces to be sleeved on the battery anode connecting column, the positive and negative two elastic pieces are connected in series, and the two connecting lantern ring elastic pieces can be installed at one time, so that the efficiency of two lithium batteries in series connection is improved, the connecting lantern ring elastic pieces can form positioning connection operation, and the connecting lantern ring elastic pieces are more difficult to shake than a wire harness after welding, so that the firmness in connection is improved, the short circuit of the positive and negative electrodes of the lithium batteries due to the problem of connecting wires is prevented, the safety problem is caused, the end part isolation effect and the protection effect are effectively improved, and the safe connection operation is realized.
To sum up, through the mutual influence of above-mentioned a plurality of effects, realize that real-time early warning reminds personnel to discover lithium cell abnormal conditions, and can improve the explosion-proof frame external strength of battery, avoid easily causing explosion scheduling problem, the lithium cell security in the use has effectively been improved, the later stage also can carry out the quick replacement operation to a plurality of lithium cells, assembly efficiency has not only been increased substantially, and realized the quick fixed operation in assembling process multiple spot position, second locating support and first locating support play the effect of supporting the protection, prevent that the problem of colliding with from taking place, and the fastness at connection position has been improved, and prevent that the positive negative pole of lithium cell leads to the short circuit because of the problem of connecting wire, the efficiency in the lithium cell assembling process has wholly been improved, and high security, and the later stage also has high security when using.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the external protection frame plate of the present invention.
Fig. 3 is a schematic structural view of the battery explosion-proof frame of the present invention.
Fig. 4 is a schematic view of a split structure of the cross positioning groove block and the positioning block of the present invention.
Fig. 5 is a schematic diagram of a structure for separating the battery explosion-proof frame and the positioning sealing frame according to the present invention.
Fig. 6 is a schematic structural diagram of the bottom of the positioning sealing frame according to the present invention.
Fig. 7 is a schematic structural view of the joint of the battery positive connecting column and the elastic sheet of the connecting sleeve ring.
FIG. 8 is a schematic view of the present invention showing the position of the drive screw.
The reference signs are: 1. an outer protective bezel; 2. a battery negative connecting post; 3. a battery explosion-proof frame; 4. a side flame retardant panel; 5. a cross positioning groove block; 6. positioning blocks; 7. fixing the bolt; 8. a fixing frame; 9. an explosion-proof steel plate; 10. a damping buffer plate; 11. an anti-oxidation ring block; 12. a lithium battery; 13. positioning a sealing frame; 14. an inner embedded frame; 15. a pressure sensor; 16. sealing the base plate; 17. an explosion-proof extrusion plate; 18. a temperature sensor; 19. a battery positive connection post; 20. connecting the lantern ring elastic sheet; 21. an insulating housing; 22. an insulating connecting block; 23. sealing rubber strips; 24. a protective insulating plate; 25. a display screen; 26. a wireless transmitter; 27. a first positioning bracket; 28. pressing down the cover plate; 29. a first connection toroid; 30. a second positioning bracket; 31. a second connecting spiro ring; 32. a drive screw; 33. an inner hexagonal nut; 34. fixing the linkage frame; 35. a side fixing frame; 36. positioning the supporting rod; 37. a buffer protection pad.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The lithium titanate battery assembly structure shown in the attached figures 1-8 comprises an external protection frame plate 1, wherein an insulating groove is formed in one side of the external protection frame plate 1, a battery cathode connecting post 2 is arranged in the insulating groove, three vertically stacked battery explosion-proof frames 3 are mounted at one end of the battery cathode connecting post 2, and safety mechanisms are arranged on two sides of each battery explosion-proof frame 3;
safety mechanism is including setting up the fire-retardant board 4 in side of battery explosion-proof frame 3 one side, cross positioning groove piece 5 is installed to 4 one end of fire-retardant board in side, the inside locating piece 6 that is used for the joint that is provided with of cross positioning groove piece 5, fixing bolt 7 that is used for the fastening is installed on 6 tops of locating piece, be equipped with fixed frame 8 between two locating pieces 6, the inside explosion-proof steel sheet 9 that is provided with of fixed frame 8, damping buffer board 10 that is used for the buffering is installed to explosion-proof steel sheet 9 one end, lithium cell 12 is installed to battery explosion-proof frame 3, lithium cell 12 top is provided with the location sealing frame 13 with 3 top boxs of battery explosion-proof frame joint, the inside embedding frame 14 that is provided with of location sealing frame 13, inside embedding frame 14 is provided with pressure sensor 15.
As shown in fig. 4, an anti-oxidation ring block 11 is sleeved outside the battery negative connection post 2, and the anti-oxidation ring block 11 is fixedly connected with the battery negative connection post 2, so that the anti-oxidation ring block 11 is sleeved on the lithium battery 12 to play a role in protection, and the battery negative connection post 2 is prevented from being broken.
As shown in the attached drawings 3, 4, 5 and 6, the top end of the inner embedding frame 14 is connected with a sealing pad 16, the sealing pad 16 is fixedly connected with the inner embedding frame 14, an explosion-proof extrusion plate 17 is installed at the top end of the sealing pad 16, a temperature sensor 18 is installed at one side of a pressure sensor 15, a wireless transmitter 26 is installed at the top end of the flame-retardant plate 4 on one side surface at the top, so that two symmetrical positioning sealing frames 13 and the inner embedding frame 14 are inserted into the upper end surface of the battery explosion-proof frame 3 to form clamping fixation, a reinforcing effect is achieved, an early warning effect on temperature and pressure can be achieved, and safety is improved.
As shown in fig. 6, the cross-sectional shapes of the positioning sealing frame 13 and the internal embedding frame 14 are the same, and the sizes of the positioning sealing frame and the internal embedding frame are different, and the positioning sealing frame 13 and the internal embedding frame 14 are in embedded clamping connection with the top end of the battery explosion-proof frame 3, so that the positioning sealing frame 13 and the internal embedding frame 14 can be clamped into the battery explosion-proof frame 3 for fixing.
As shown in the attached drawing 4, the positioning block 6 is fixedly connected with the fixing frame 8, the positioning block 6 is detachably connected with the side flame-retardant plate 4 through the fixing bolt 7, and two sides of the damping buffer plate 10 are respectively and fixedly connected with the explosion-proof steel plate 9 and the inner wall of the fixing frame 8 in pairs, so that the cross-shaped positioning groove block 5 is screwed under the action of the threads by rotating the fixing bolt 7.
As shown in the attached drawings 1, 2 and 7, a protection mechanism is arranged on one side of a battery cathode connecting post 2, the protection mechanism comprises a battery anode connecting post 19 arranged on one side of the battery cathode connecting post 2, a connecting lantern ring elastic sheet 20 is sleeved outside the battery anode connecting post 19, an insulating shell 21 is arranged outside the connecting lantern ring elastic sheet 20, a plurality of insulating connecting blocks 22 are installed at the top end of the insulating shell 21, a sealing rubber strip 23 is arranged on one side of an external protective frame plate 1, a protective insulating plate 24 is sleeved at one end of the battery cathode connecting post 2 away from a battery explosion-proof frame 3, the protective insulating plate 24 is fixedly bonded with the inner wall of the external protective frame plate 1, a display screen 25 is installed on one side of the protective insulating plate 24, a buffer protective pad 37 is arranged between two adjacent side flame retardant plates 4, so that the connecting lantern ring elastic sheet 20 is sleeved on the battery anode connecting post 19, the positive and the negative form series connection in pairs, two connecting lantern ring elastic sheets 20 can be installed at one time, the assembling efficiency in the connection and the stability in the assembling can be improved.
As shown in fig. 7, the connection collar elastic piece 20 and the battery positive connection post 19 are fixed by welding, the connection collar elastic piece 20 is made of copper, and the connection collar elastic piece 20 and the insulation housing 21 are bonded and fixed so that the connection collar elastic piece 20 is sleeved on the battery positive connection post 19 and plays a role of insulation protection.
As shown in fig. 2 and 8, the stabilizing mechanism is installed on one side of the side flame-retardant plate 4, and includes a first positioning bracket 27 on one side of the side flame-retardant plate 4, a downward pressing cover plate 28 is installed on the bottom end of the first positioning bracket 27, a first connection spiral ring 29 is arranged inside the top end of the first positioning bracket 27, a second positioning bracket 30 is installed above the first connection spiral ring 29, a second connection spiral ring 31 is fixedly connected inside the second positioning bracket 30, a transmission screw 32 is connected inside the second connection spiral ring 31 in a threaded manner, and an inner hexagonal nut 33 is installed on the top end of the transmission screw 32, so that the first connection spiral ring 29 drives the first positioning bracket 27 to move upwards, and the downward pressing cover plate 28 of the first positioning bracket 27 moves upwards, so that a plurality of lithium batteries 12 can be assembled and fixed, and the function of quick fixation is achieved.
As shown in fig. 8, the second positioning bracket 30 and the first positioning bracket 27 are both provided with a fixed linkage frame 34, a side fixing frame 35 is installed at one end of the fixed linkage frame 34, the side fixing frame 35 is fixedly connected with the fixed linkage frame 34, a through hole is formed in the bottom end of the side fixing frame 35, a positioning support rod 36 is arranged in the through hole, the positioning support rod 36 is slidably connected with the side fixing frame 35 to which the through hole belongs, so that the positioning support rod 36 is inserted into the side fixing frame 35 to form a positioning clamp connection, and the vertical butt joint is performed quickly to achieve the limiting and fixing effect.
As shown in fig. 8, the internal threads of the second connection spiral ring 31 and the first connection spiral ring 29 are oppositely arranged, the first positioning bracket 27 and the lower pressing cover plate 28 are welded and fixed, the lower pressing cover plate 28 is made of stainless steel, the first positioning bracket 27 and the second positioning bracket 30 are symmetrically arranged, so that the transmission screw 32 drives the second connection spiral ring 31 to drive the second positioning bracket 30 to move downwards under the action of the threads, and the transmission screw 32 drives the first connection spiral ring 29 to move upwards under the action of the threads to approach each other.
The working principle of the invention is as follows: during single assembly, a lithium battery 12 can be placed in the battery explosion-proof frame 3, then two symmetrical positioning sealing frames 13 and an inner embedding frame 14 are inserted into the upper end face of the battery explosion-proof frame 3 to form clamping fixation, two side flame-retardant plates 4 can be clamped at two sides of the battery explosion-proof frame 3, the fixing frame 8 can drive the positioning blocks 6 to be inserted into the cross-shaped positioning groove blocks 5, the fixing bolts 7 are rotated to perform threaded fixation on the cross-shaped positioning groove blocks 5 under the action of threads, the buffering protection pads 37 are sequentially placed, and the battery explosion-proof frame 3 is sequentially superposed;
when the whole assembly is carried out, two symmetrically arranged lower press cover plates 28 are arranged on a designated fixed tool, and the lower press cover plates 28 are limited, then, an electric bolt gun is used for rotating the inner hexagon nut 33 to drive the transmission screw 32 to rotate, the transmission screw 32 drives the second connecting spiral ring 31 to drive the second positioning bracket 30 to move downwards under the action of the screw threads, the second positioning bracket 30 drives the fixed linkage frame 34 to move downwards, the fixed linkage frame 34 drives the side fixing frame 35 to move downwards, meanwhile, the driving screw 32 drives the first connecting spiral ring 29 to move upwards under the action of the screw threads, the first connecting spiral ring 29 drives the first positioning bracket 27 to move upwards, the first positioning bracket 27 drives the lower press cover plate 28 to move upwards, therefore, the positioning support rod 36 is inserted into the side fixing frame 35 to form positioning clamping connection, so that the three lithium batteries 12 can be assembled and fixed;
when the position of the battery cathode connecting post 2 is installed, the connecting lantern ring elastic pieces 20 can be sleeved on the battery anode connecting post 19, the positive and negative electrodes are connected in series, two connecting lantern ring elastic pieces 20 can be installed at one time, then the position of the battery cathode connecting post 2 sleeved on the lithium battery 12 by the anti-oxidation ring block 11 is coated with glue, the external protection frame plate 1 is pressed to drive the protection insulating plate 24 to start to be connected with the battery cathode connecting post 2, and therefore the sealing rubber strip 23 can be used for coating glue and sealing the connecting position of the external protection frame plate 1 to form the assembling operation of the whole plurality of groups of lithium batteries 12;
when the battery explosion-proof frame is used, the pressure sensor 15 monitors the inflation degree of the lithium battery 12 in the battery explosion-proof frame 3, so that the formed pressure can be applied to the pressure sensor 15, the internal temperature can be sensed on the temperature sensor 18 to carry out temperature detection, the detected data can be input to the display screen 25, the wireless transmitter 26 can connect the data to a mobile phone through Bluetooth to carry out display operation, the internal abnormal data of the lithium battery 12 can be monitored in real time, and the replacement operation can be carried out at the later stage;
when explosion-proof, after the user of service does not remind the change battery according to data anomaly, play reinforced (rfd) effect by two side fire-retardant board 4 and battery explosion-proof frame 3, there is fixed frame 8 cross positioning groove piece 5 to play reinforced (rfd) effect to locating piece 6, locating piece 6 plays reinforced (rfd) effect to fixed frame 8, fixed frame 8 plays reinforced (rfd) effect to explosion-proof steel sheet 9 and damping buffer board 10, sealed frame 13 of simultaneous localization and inside embedding frame 14 embedding joint are inside battery explosion-proof frame 3, play the diversified reinforcement operation of better sealed, side fire-retardant board 4 and explosion-proof steel sheet 9 are difficult for burning simultaneously, effectively prevent that fixed frame 8 from exploding.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a lithium titanate battery pack structure, includes outside protection framed panel (1), its characterized in that: an insulation groove is formed in one side of the external protection frame plate (1), a battery cathode connecting column (2) is arranged in the insulation groove, three vertically stacked battery explosion-proof frames (3) are mounted at one end of the battery cathode connecting column (2), and safety mechanisms are arranged on two sides of each battery explosion-proof frame (3);
the safety mechanism comprises a side flame-retardant plate (4) arranged on one side of a battery explosion-proof frame (3), a cross positioning groove block (5) is installed at one end of the side flame-retardant plate (4), a positioning block (6) used for clamping is arranged inside the cross positioning groove block (5), a fixing bolt (7) used for fastening is installed at the top end of the positioning block (6), a fixing frame (8) is arranged between the positioning blocks (6), an explosion-proof steel plate (9) is arranged inside the fixing frame (8), a damping buffer plate (10) used for buffering is installed at one end of the explosion-proof steel plate (9), a lithium battery (12) is installed on the battery explosion-proof frame (3), a positioning sealing frame (13) clamped with the top end of the battery explosion-proof frame (3) is arranged above the lithium battery (12), an internal embedding frame (14) is arranged inside the positioning sealing frame (13), and a pressure sensor (15) is arranged inside the inner embedded frame (14).
2. The lithium titanate battery pack structure according to claim 1, wherein: an anti-oxidation ring block (11) is sleeved outside the battery cathode connecting column (2), and the anti-oxidation ring block (11) is fixedly connected with the battery cathode connecting column (2).
3. The lithium titanate battery pack structure according to claim 1, wherein: inside embedding frame (14) top is connected with sealed backing plate (16), fixed connection between sealed backing plate (16) and the inside embedding frame (14), explosion-proof stripper plate (17) are installed on sealed backing plate (16) top, temperature sensor (18) are installed to pressure sensor (15) one side, the top one wireless transmitter (26) are installed on fire-retardant board (4) top in side.
4. The lithium titanate battery pack structure according to claim 1, wherein: the cross section shapes of the positioning sealing frame (13) and the inner embedding frame (14) are the same, the sizes of the positioning sealing frame and the inner embedding frame are different, and the positioning sealing frame and the top end of the battery explosion-proof frame (3) are clamped in an embedded mode.
5. The lithium titanate battery pack structure according to claim 1, wherein: fixed connection between locating piece (6) and fixed frame (8), carry out detachable connection through fixing bolt (7) between locating piece (6) and side fire-retardant board (4), damping buffer board (10) both sides respectively with explosion-proof steel sheet (9) and fixed frame (8) inner wall fixed connection between two liang.
6. The lithium titanate battery pack structure according to claim 1, wherein: one side of the battery cathode connecting post (2) is provided with a protection mechanism, the protection mechanism comprises a battery anode connecting post (19) arranged on one side of the battery cathode connecting post (2), the outer part of the battery anode connecting column (19) is sleeved with a connecting lantern ring elastic sheet (20), an insulating shell (21) is arranged outside the connecting lantern ring elastic sheet (20), a plurality of insulating connecting blocks (22) are installed at the top end of the insulating shell (21), a sealing rubber strip (23) is arranged on one side of the external protective frame plate (1), a protective insulating plate (24) is sleeved on one end of the battery cathode connecting post (2) far away from the battery explosion-proof frame (3), the protective insulating plate (24) is fixedly bonded with the inner wall of the external protective frame plate (1), display screen (25) are installed to protection insulation board (24) one side, adjacent two be provided with buffering protection pad (37) between fire-retardant board in side (4).
7. The lithium titanate battery pack structure as set forth in claim 6, wherein: the connecting sleeve ring elastic piece (20) is fixed with the battery anode connecting post (19) in a welding mode, the connecting sleeve ring elastic piece (20) is made of copper materials, and the connecting sleeve ring elastic piece (20) is fixedly bonded with the insulating shell (21).
8. The lithium titanate battery pack structure according to claim 1, wherein: firm mechanism is installed to fire-retardant board in side (4) one side, firm mechanism includes first locating support (27) of fire-retardant board in side (4) one side, apron (28) are down installed to first locating support (27) bottom, first locating support (27) top inside is provided with first connection spiro (29), second locating support (30) are installed to first connection spiro (29) top, spiro (31) are connected to inside fixedly connected with second of second locating support (30), spiro (31) internal thread is connected to the second has drive screw (32), interior hexagon nut (33) are installed on drive screw (32) top.
9. The lithium titanate battery pack structure of claim 8, wherein: second locating support (30) and first locating support (27) both sides all are provided with fixed linkage (34), side mount (35) are installed to fixed linkage (34) one end, fixed connection between side mount (35) and fixed linkage (34), the through-hole has been seted up to side mount (35) bottom, the inside bracing piece (36) that is provided with of through-hole, sliding connection between bracing piece (36) and the side mount (35) that the through-hole belongs to.
10. The lithium titanate battery pack structure as set forth in claim 8, wherein: the internal threads of the second connection spiral ring (31) and the first connection spiral ring (29) are arranged oppositely, the first positioning support (27) and the lower pressing cover plate (28) are fixedly welded, the lower pressing cover plate (28) is made of stainless steel, and the first positioning support (27) and the second positioning support (30) are symmetrically arranged.
CN202210441415.7A 2022-04-26 2022-04-26 Lithium titanate battery package assembly Active CN114552103B (en)

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CN117002283B (en) * 2023-09-27 2023-11-28 河北兴润汽车底盘***制造有限公司 New energy automobile chassis

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CN214411439U (en) * 2021-01-05 2021-10-15 深圳市德兰明海科技有限公司 Battery module and electric equipment
CN114207921A (en) * 2020-01-15 2022-03-18 株式会社Lg新能源 Battery module including flame-retardant sheet, and battery holder and energy storage system including the same
CN216161844U (en) * 2021-09-17 2022-04-01 福建飞毛腿动力科技有限公司 Novel battery pack burning delay prevention structure

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CN101789517A (en) * 2009-01-28 2010-07-28 三洋电机株式会社 Battery array and battery array separator
CN209344202U (en) * 2019-03-21 2019-09-03 厦门晟硕科技有限公司 A kind of explosion-proof type power battery aluminum hull with pressure monitoring
CN114207921A (en) * 2020-01-15 2022-03-18 株式会社Lg新能源 Battery module including flame-retardant sheet, and battery holder and energy storage system including the same
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