CN108807731A - The capping method of lithium battery suitable for harbour machinery - Google Patents
The capping method of lithium battery suitable for harbour machinery Download PDFInfo
- Publication number
- CN108807731A CN108807731A CN201810779647.7A CN201810779647A CN108807731A CN 108807731 A CN108807731 A CN 108807731A CN 201810779647 A CN201810779647 A CN 201810779647A CN 108807731 A CN108807731 A CN 108807731A
- Authority
- CN
- China
- Prior art keywords
- shell
- current collection
- lid
- resin glue
- epoxy resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 75
- 239000003292 glue Substances 0.000 claims abstract description 52
- 239000003822 epoxy resin Substances 0.000 claims abstract description 51
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 51
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000009998 heat setting Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 235000013372 meat Nutrition 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- MOLYXOOGDFTUJT-UHFFFAOYSA-L [Li].[Mn](=O)(=O)(O)O.[Co] Chemical compound [Li].[Mn](=O)(=O)(O)O.[Co] MOLYXOOGDFTUJT-UHFFFAOYSA-L 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/155—Lids or covers characterised by the material
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The present invention relates to the capping methods of the lithium battery suitable for harbour machinery comprising following steps：Epoxy resin glue is instilled into seal groove；Lid is moved down, after so that current collection column is passed through sealing ring and sealing inserted block being made to be inserted into seal groove, epoxy resin glue is directly instilled into sealing ring, exposed hole and current collection column and surrounds the space to be formed.The present invention is heat setting twice without carrying out, and can improve production efficiency, energy-saving；It can ensure that epoxy resin glue fully hardens, while improve production efficiency；It can ensure that production process successfully carries out.
Description
Technical field
The present invention relates to belong to technical field of lithium batteries, and in particular to is suitable for the lithium battery of harbour machinery and is suitable for port
The capping method of the lithium battery of mouth machinery.
Background technology
Traditional high-capacity lithium battery, shell generally use aluminum hull or box hat, lead to traditional high-capacity lithium battery
Cost it is higher, and need to make shell cover connect with shell using welding procedures such as complicated laser weldings in its production process,
Also it is unfavorable for reducing cost, is unfavorable for improving production efficiency.
Such as：Chinese Patent Application No. CN201720382497.7 provides a kind of lithium battery encapsulation shell and lithium battery
Packet；Chinese Patent Application No. CN201310334753.1 discloses a kind of safe lithium battery；Chinese Patent Application No.
A kind of lithium batteries of CN201620784671.6；Chinese Patent Application No. CN201510542141.0 discloses a kind of stacked lithium
Battery and its shell packaging method etc..But the demand of special environment condition is not achieved in sealing effect.
In addition, the feature that administrative staff are sparse, visual dead angle is more is generally configured with due to harbour machinery with using,
It is also higher in the requirement of the anti-theft for the lithium battery module that harbour machinery uses.Chinese patent CN201711472097.6 provides one
Kind dynamic lithium battery burglary-resisting system, but its structure is complex, of high cost.
Invention content
To solve the above problems, the purpose of the present invention is to provide the lithium battery suitable for harbour machinery, without carrying out two
It is secondary heat setting, production efficiency, energy-saving can be improved.
The detailed technology scheme that the present invention takes is：It is described to be suitable for harbour machinery suitable for the lithium battery of harbour machinery
Lithium battery include shell, the lid being fixedly connected with the casing and the battery core for being provided with current collection column, battery core is arranged in shell
It is interior；Lid and shell are that ABS plastic/PP plastics are made；The exposed hole that lid is provided through, exposed hole extend internally ground
It is provided with the whole sealing ring in truncated cone-shaped, the internal diameter of the top end opening of sealing ring is top internal diameter C, and the outer diameter of current collection column is collection
Electric column outer diameter D then meets top internal diameter C and is less than or equal to current collection column outer diameter D, and current collection column passes through sealing ring, the top of shell
It is provided with seal groove；The bottom end of lid is provided with sealing inserted block, and sealing inserted block is inserted into seal groove, sealing ring, exposed hole and collection
Electric column, which surrounds between the space to be formed and sealing inserted block and sealing inserted block, is filled with sealer, and sealer is epoxy resin
The object formed after glue hardening；The capping method of the lithium battery suitable for harbour machinery includes the following steps：
Epoxy resin glue is instilled into seal groove；
Lid is moved down, after so that current collection column is passed through sealing ring and sealing inserted block being made to be inserted into seal groove, directly by ring
Oxygen resin glue instills sealing ring, exposed hole and current collection column and surrounds the space to be formed.
It further, will after epoxy resin glue instillation sealing ring, exposed hole and current collection column being surrounded the space to be formed
Lid and shell place certain time under 30 degrees Celsius of environment.
To ensure that epoxy resin glue fully hardens, while improving production efficiency.
It further, will after epoxy resin glue instillation sealing ring, exposed hole and current collection column being surrounded the space to be formed
Lid and shell are placed one and a half hours or more under 60 to seven ten degrees Celsius of environment.
To further improve production efficiency.
Preferably, the firm time of the epoxy resin glue is more than or equal to two minutes.
It can ensure that production process successfully carries out.
Preferably, the firm time of the epoxy resin glue is more than or equal to two minutes and is less than or equal to three
Ten minutes.
So as to rapidly fix between shell and lid, prevent from causing shell to be fixed with lid because of the vibration in transportational process
It is insecure.
Compared with prior art, the present invention has the advantages that：1, it is heat setting twice to be not necessarily to progress, can improve
It is production efficiency, energy-saving；2, it can ensure that epoxy resin glue fully hardens, while improve production efficiency；3, Ke Yibao
Card production process successfully carries out.
Description of the drawings
Fig. 1 is the lithium battery module stereoscopic schematic diagram suitable for harbour machinery in the present invention.
Fig. 2 is another visual angle when lithium battery suitable for harbour machinery in the present invention is assembled into module with module shell 6
Stereoscopic schematic diagram.
Fig. 3 is that the vertical view when lithium battery suitable for harbour machinery in the present invention is assembled into module with module shell 6 is illustrated
Figure.
Fig. 4 is the perspective exploded view of the lithium battery suitable for harbour machinery in the present invention.
Fig. 5 is the stereoscopic schematic diagram of lid 3.
Fig. 6 is the schematic diagram of I-I section of Fig. 3.
Fig. 7 is the schematic diagram of III-III section of Fig. 6.In Fig. 7, lid 3 is installed on shell 2 by heavy solid line arrows expression
When lid 3 moving direction.
Fig. 8 is the schematic diagram of IV section of Fig. 7.
Fig. 9 is the schematic diagram of V section of Fig. 7.
Figure 10 is the schematic diagram of II-II section of Fig. 3.
Figure 11 is the schematic diagram of VI section of Figure 10.
Figure 12 is the stereoscopic schematic diagram of rotary clamp 7.
Battery core 1；Current collection column 11；Current collection column outer diameter D；Shell 2；Seal groove 21；Support wall 211；Overflow wall 212；Sticking department
22；Support leg 221；Lock slots 222；Notch 223；Notch meat thickness E；Reinforcing rib 23；Lid 3；The high A of lid；Exposed hole 31；Extend
Cylinder 311；The high B of exntension tubs；Sealing ring 32；Top internal diameter C；Extend sealing ring 321；Bulge loop 322；Height of projection F；Seal inserted block
33；Limiting stand 331；Sealer 4；Locking piece 5；Locking column 51；Module shell 6；Module shell side wall 61；First column item 62；Second column
Item 63；Lock nut 64；Hinge barrels 641；Rotate card slot 642；Rotary clamp 7；Rotate tong arm 71；Rotate jaw 72；Rotating card block
721。
Specific implementation mode
Below in conjunction with the attached drawing of the present invention, technical scheme of the present invention is illustrated.
As shown in Figures 1 to 12, the lithium battery suitable for harbour machinery of the invention comprising shell 2 is consolidated with shell 2
Surely the lid 3 that connects and the battery core 1 for being provided with current collection column 11, battery core 1 are arranged in shell 2.Battery core 1 is that conventional lithium is electric
Pond battery core, it typically is lithium titanate anode, cobalt manganic acid lithium (ternary lithium) anode or iron phosphate lithium positive pole, with conventional cathode,
The composition of the electrolyte of conventional partition board and routine.The section of battery core 1 is usually whole rectangular.
The exposed hole 31 that lid 3 is provided through, current collection column 11 pass through exposed hole 31 exposed, exposed hole 31 and current collection column 11
Between be filled with sealer 4；Sealer 4 is the object that is formed after epoxide-resin glue water hardening.For example, sealer 4 can be blueness
The object formed after the TT-8 epoxide-resin glue water hardenings of island Haier, epoxy resin glue usually by epoxy resin glue host agent with
It is formed after corresponding epoxy resin glue curing agent mixing, stirring, epoxy resin glue host agent and corresponding epoxy resin glue
After curing agent is mixed, need within the regular hour【That is firm time】It is applied to bonding site, more than after firm time
Epoxy resin glue can harden and can not be applied to bonding site, and epoxy resin glue is caused to fail.
Lid 3 is made of ABS plastic/PP plastics；Exposed hole 31 is provided with the whole sealing in truncated cone-shaped with extending internally
The internal diameter of circle 32, the top end opening of sealing ring 32 is top internal diameter C, and the outer diameter of current collection column 11 is current collection column outer diameter D, then meets
Top internal diameter C be less than or equal to current collection column outer diameter D, current collection column 11 pass through sealing ring 32, sealer 4 be filled in sealing ring 32,
Exposed hole 31 and current collection column 11 surround in the space to be formed.When lid 3 is installed on shell 2, lid 3, which is moved down, to be made
During current collection column 11 passes through sealing ring 32, current collection column 11 can play the role of guiding, close convenient for passing through current collection column 11
Seal 32；After current collection column 11 passes through sealing ring 32, elastic deformation occurs for the top of sealing ring 32, makes current collection column 11 and sealing
The top of circle 32 is closely bonded, so as to prevent from instilling the epoxy resin glue in exposed hole 31【It is liquid before hardening】From collection
It is leak between electric column 11 and the top of sealing ring 32 in shell 2.
As preferably embodiment, top internal diameter C is smaller 0.2-2mm than current collection column outer diameter D.
As preferably embodiment, top internal diameter C is smaller 0.5mm than current collection column outer diameter D.
The top of sealing ring 32 is provided with upwardly extending extends sealing ring 321.Current collection column 11 and sealing ring can be increased
Sealed pathway between 32 top further prevents the epoxy resin glue for instilling exposed hole 31【It is liquid before hardening】From
It is leak between current collection column 11 and the top of sealing ring 32 in shell 2.
Bulge loop 322, the height of projection of bulge loop 322 are the entirety that is provided with extending internally of extension sealing ring 321 in a ring
Height of projection F, height of projection F are 0.1-0.2mm.It can be further improved between current collection column 11 and the top of sealing ring 32
Leakproofness prevents the epoxy resin glue for instilling exposed hole 31【It is liquid before hardening】From the top of current collection column 11 and sealing ring 32
Between leak into shell 2.
Exposed hole 31 is provided with exntension tubs 311 with extending downwardly, and the bottom end of exntension tubs 311 is solid with the bottom end of sealing ring 32
Fixed connection.The amount for the sealer 4 that sealing ring 32, exposed hole 31 and current collection column 11 surround in the space to be formed can be improved, is protected
Demonstrate,prove leakproofness in shell 2 and extraneous.
The height of exntension tubs 311 is the high B of exntension tubs, and the height of the inner cavity of lid 3 is the high A of lid, then meets the high B of exntension tubs
A high less than or equal to lid.Lid 3 can be stacked and will not be skewed successively, storage, transport convenient for lid 3.
As preferably a kind of embodiment, shell 2 is made of ABS plastic/PP plastics, and the top of shell 2 is provided with close
Sealing groove 21；The bottom end of lid 3 is provided with sealing inserted block 33, and sealing inserted block 33 is inserted into seal groove 21, and sealing inserted block 33 is inserted with sealing
Sealer 4 is filled between block 33；Sealer 4 is the object that is formed after epoxide-resin glue water hardening, to make shell 2 and lid
Body 3 is fixedly connected.The connecting of shell 2 and lid 3, the sealing in exposed hole 31 is realized by sealer 4, and the two can be at one
Process is completed, convenient for simplifying production process.In general, shell 2 and lid 3 are PP plastics when being made, need by corona
Reason is to ensure the binding force between shell 2 or lid 3 and sealer 4.
The top of sealing inserted block 33 is outwardly extending to be provided with limiting stand 331；The outer wall of seal groove 21 is to support wall 211,
The inner wall of seal groove 21 is overflow wall 212；It supports wall 211 and supports limiting stand 331, overflow wall 212 is less than limiting stand 331.Sealing
When inserted block 33 is inserted into seal groove 21, it is ensured that a small amount of sealer 4 is overflowed from 212 side of overflow wall, is flowed into shell 2, from
And can ensure shell 2 outside and lid 3 outside it is cleaner and tidier.In general, epoxy resin glue can't be to battery core 1
Performance impact.
The capping method of the lithium battery suitable for harbour machinery of the present invention, the lithium battery pack suitable for harbour machinery
Shell 2, the lid being fixedly connected with shell 23 and the battery core 1 for being provided with current collection column 11 are included, battery core 1 is arranged in shell 2.
Battery core 1 is the lithium battery electric core of routine, and it typically is lithium titanate anode, cobalt manganic acid lithium (ternary lithium) anode or LiFePO4s
Anode, the composition with the electrolyte of conventional cathode, conventional partition board and routine.The section of battery core 1 is usually in integrally square
Shape.
Lid 3 and shell 2 are that ABS plastic/PP plastics are made；The exposed hole 31 that lid 3 is provided through, exposed hole
31 are provided with the whole sealing ring 32 in truncated cone-shaped with extending internally, and the internal diameter of the top end opening of sealing ring 32 is top internal diameter C,
The outer diameter of current collection column 11 is current collection column outer diameter D, then meets top internal diameter C and be less than or equal to current collection column outer diameter D, current collection column 11 is worn
Sealing ring 32 is crossed, the top of shell 2 is provided with seal groove 21；The bottom end of lid 3 is provided with sealing inserted block 33, and sealing inserted block 33 is inserted
Enter seal groove 21, sealing ring 32, exposed hole 31 and current collection column 11 surround the space to be formed and sealing inserted block 33 and inserted with sealing
Sealer 4 is filled between block 33, sealer 4 is the object that is formed after epoxide-resin glue water hardening.
The capping method of the lithium battery suitable for harbour machinery includes the following steps：
Epoxy resin glue is instilled seal groove 21 by step 1；
Step 2 moves down lid 3, so that current collection column 11 is passed through sealing ring 32 and sealing inserted block 33 is made to be inserted into sealing
After slot 21, epoxy resin glue is directly instilled into sealing ring 32, exposed hole 31 and current collection column 11 and surrounds the space to be formed.
Step 3, lid 3 and shell 2 are carried out it is heat setting, i.e., by lid 3 and shell 2 in 30 degrees Celsius of rings
It is placed certain time under border, usually 12 more than hour.To ensure that epoxy resin glue fully hardens, while improving life
Produce efficiency.24 are placed it is of course also possible to which lid 3 and shell 2 are placed under 20 degree to 30 degree of environment temperature
More than a hour, to ensure that epoxy resin glue fully hardens.Typically lid 3 and shell 2 are put into insulating box real
It is existing heat setting.
In general, lid 3 and shell 2 are placed one and a half hours or more under 60 to seven ten degrees Celsius of environment.With into one
Improve production efficiency in step ground.
When carrying out heat setting to epoxy resin glue, sealing ring 32, exposed hole 31 and current collection column 11, which surround, to be formed
The epoxy resin glue in epoxy resin glue and seal groove 21 in space can carry out high temperature in insulating box simultaneously
Hardening, without being moved down by lid 3, current collection column 11 is made to pass through sealing ring 32 and sealing inserted block 33 being made to be inserted into seal groove
After 21, progress is primary heat setting, is surrounding shape epoxy resin glue is instilled sealing ring 32, exposed hole 31 and current collection column 11
At space after, it is heat setting to carry out second, that is, it is heat setting twice without carrying out, production efficiency, energy saving drop can be improved
Consumption.
Epoxy resin glue is usually mixed with corresponding epoxy resin glue curing agent by epoxy resin glue host agent, is stirred
After formed, after epoxy resin glue host agent and corresponding epoxy resin glue curing agent are mixed, need in the regular hour
It is interior【That is firm time】It is applied to bonding site, can be hardened more than epoxy resin glue after firm time and bonding can not be applied to
Position causes epoxy resin glue to fail.The firm time of epoxy resin glue be more than or equal to two minutes, by lid 3 to
Lower movement has the sufficient operating time after so that current collection column 11 is passed through sealing ring 32 and sealing inserted block 33 being made to be inserted into seal groove 21
Epoxy resin glue is instilled into sealing ring 32, exposed hole 31 and current collection column 11 and surrounds the space to be formed, thereby may be ensured that
The production process for stating step 2 successfully carries out.Preferably, the firm time of epoxy resin glue be more than or equal to two minutes,
And it is less than or equal to 30 minutes.So as to rapidly be fixed between shell 2 and lid 3, prevent because of the vibration in transportational process
Shell 2 is caused to be fixed with lid 3 insecure.
The lithium battery module suitable for harbour machinery of the present invention comprising at least two lithium batteries, the lithium battery pack
Include shell 2.Shell 2 is usually that ABS plastic or PP plastics are made, naturally it is also possible to is made of aluminium or steel.
In general, lithium battery further includes the lid 3 being fixedly connected with shell 2 and the battery core 1 for being provided with current collection column 11, electricity
Core 1 is arranged in shell 2.
The lithium battery module suitable for harbour machinery of the present invention, further includes module shell 6.
Module shell 6 includes module shell side wall 61；Each shell 2 is bonded to each other and is arranged in module shell 6.
The bottom face of module shell side wall 61 is fixedly installed the first column item 62.
The bottom face of shell 2 is provided with locking piece 5, and locking column 51 is arranged in locking piece 5, and shell 2 is axial solid with locking column 51
It is fixed【I.e. shell 2 is fixed with locking column 51 along the axle center of locking column 51】.For example, locking piece 5 can pass through integrally formed mode
It is directly injection-moulded in the bottom of shell 2, to make shell 2 and 51 axial restraint of locking column.
Module shell 6 further includes lock nut 64, and locking column 51 is threadedly coupled across the first column item 62 with lock nut 64.
The present invention the lithium battery module operation principle suitable for harbour machinery be：Before use, by the lithium electricity in module shell 6
Pond is electrically connected with each other【For example it is electrically connected by realizations such as conventional cables】, the present invention is then suitable for harbour machinery
Lithium battery module and load or two-way DC/DC electric connections both may be used.
From the above, it is seen that since module shell 6 and each shell 2 are connected as one so that in module shell 6 and module shell 6
Lithium battery be connected as one, also, usually the present invention the lithium battery module suitable for harbour machinery overall weight it is heavier,
Volume is larger, increases the theft difficulty of stealer, so as to play certain anti-theft effect.
As a kind of preferably embodiment, the bottom face of shell 2 is provided with sticking department 22, and sticking department 22 includes two
Section is L-shaped support leg 221, and the bottom face of two support legs 221 and shell 2 surrounds the lock slots to form that section is T shapes
222；Locking piece 5 is inserted into lock slots 222, and locking column 51 is pierced by from lock slots 222.In general, the single-row setting of lithium battery, and lock
The direction and the setting direction of the first column item 62 for determining the insertion lock slots 222 of part 5 are mutually perpendicular to.Locking piece 5 can be from lock slots
222 extractions, make the bottom end of shell 2 not have downwardly convex locking column 51, so as to so that shell 2 is suitable for other without antitheft
The occasion of function can improve the versatility of shell 2.
The bottom face of module shell side wall 61 is further fixedly arranged on the second column item 63, and the second column item 63 and the first column item 62 are directly
It is provided with gap, and 62 face of the second column item 63 and the first column item【That is projection of the second column article 63 on the first column article 62 and the
One column item 62 overlaps】, the setting of lock nut 64 is between the second column item 63 and the first column item 62.Due to the resistance of the second column item 63
Gear, pilferage can not further increase pilferage from the bottom end of the first column item 62 by the tools spin locking such as sleeve nut 64
The theft difficulty of person, so as to improve anti-theft effect.
The both ends of lock nut 64 are fixedly installed hinge barrels 641, and hinge barrels 641 are inserted into the second column article 63, respectively
One column item 62, to keep lock nut 64 and the second column item 63 and the first column item 62 hinged.It can make lock nut 64 and mould
Group shell 6 is integrated, and when assembling shell 2, lock nut 64 is held without freeing hand to, convenient for shell 2 is installed to module shell 6
It is interior.
The section of lock nut 64 is circle, and the side wall of lock nut 64 is provided at least two rotation card slots 642.It is logical
Often, respectively rotation card slot 642 is uniformly distributed around the axle center of lock nut 64.By for special rotary clamp 7【As shown in figure 12, rotary clamp 7
The other end of the rotation tong arm 71 being hinged including two, rotation tong arm 71 is both provided with rotation jaw 72, rotates tong arm 71
It is inside provided with rotating card block 721, being usually provided with the offers such as spring or spring leaf between two rotation tong arms 71 makes two rotations
Turn the elastic force that tong arm 71 is located remotely from each other, the thickness of rotary clamp 7 is less than or equal to, between the second column item 63 and the first column item 62
The thickness in gap allows rotary clamp 7 to stretch into the gap between the second column item 63 and the first column item 62】；Just can easily it revolve
Turn lock nut 64, convenient for shell 2 is installed in module shell 6, meanwhile, even if the tools such as conventional spanner can stretch into second
Gap between column item 63 and the first column item 62, also can not spin locking nut 64, so as to further improve antitheft effect
Fruit.
The inner cavity of shell 2 extends to form notch 223 to the bottom face of support leg 221, and notch 223 is apart from extraneous most narrow spacing
It is less than the minimum thickness of support leg 221 from for notch meat thickness E, notch meat thickness E.If thief use force by force by shell 2 from
Module shell 6 pulls out, and can lead to inner cavity that is damaged, making shell 2 and extraneous unicom at the notch 223 of shell 2 so that in shell 2
Electrolyte is exposed, and lithium battery is caused to fail, and thief is made to recognize that the other lithium batteries of the theft that uses force also result in other
Lithium battery fails, so as to inhibit theft desire of the thief to other lithium batteries.
It is to be appreciated that term "center", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", "vertical", " water
It is flat ", "top", "bottom", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings,
Only it is the present invention and simplified description for ease of description, rather than indicating or imply signified device or element must have specifically
Orientation is specific azimuth configuration and operation, thus should not be understood as the limitation to present invention protection content.
Above specific implementation mode is only the preferred embodiment of this creation, all in this wound not to limit this creation
Any modification, equivalent substitution, improvement and etc. done within the spirit and principle of work, should be included in this creation protection domain it
It is interior.
Claims (5)
1. the capping method of the lithium battery suitable for harbour machinery, it is characterised in that：The lithium battery suitable for harbour machinery
Including shell (2), the lid (3) being fixedly connected with shell (2) and the battery core (1) for being provided with current collection column (11), battery core (1)
Setting is in shell (2)；Lid (3) and shell (2) are that ABS plastic/PP plastics are made；Lid (3) is provided through
Exposed hole (31), exposed hole (31) are provided with the whole sealing ring (32) in truncated cone-shaped, the top of sealing ring (32) with extending internally
The internal diameter of end opening is top internal diameter C, and the outer diameter of current collection column (11) is current collection column outer diameter D, then meet top internal diameter C be less than or
Equal to current collection column outer diameter D, current collection column (11) passes through sealing ring (32), and the top of shell (2) is provided with seal groove (21)；Lid
(3) bottom end is provided with sealing inserted block (33), and sealing inserted block (33) is inserted into seal groove (21), sealing ring (32), exposed hole (31)
And current collection column (11) surrounds and is filled with sealer between the space to be formed and sealing inserted block (33) and sealing inserted block (33)
(4), sealer (4) is the object that is formed after epoxide-resin glue water hardening；The capping of the lithium battery suitable for harbour machinery
Method includes the following steps：
Epoxy resin glue is instilled into seal groove (21)；
Lid (3) is moved down, current collection column (11) is made to pass through sealing ring (32) and sealing inserted block (33) is made to be inserted into seal groove
(21) after, epoxy resin glue is directly instilled into sealing ring (32), exposed hole (31) and current collection column (11) and surrounds the sky to be formed
Between.
2. the capping method suitable for the lithium battery of harbour machinery as described in claim 1, epoxy resin glue is instilled close
After seal (32), exposed hole (31) and current collection column (11) surround the space to be formed, by lid (3) and shell (2) 30
Certain time is placed under degree Celsius environment.
3. the capping method suitable for the lithium battery of harbour machinery as described in claim 1, epoxy resin glue is instilled close
After seal (32), exposed hole (31) and current collection column (11) surround the space to be formed, by lid (3) and shell (2) 60
It is placed one and a half hours or more under to 70 degrees Celsius of environment.
4. as described in claim 1 suitable for harbour machinery lithium battery capping method, the epoxy resin glue it is hard
Change the time more than or equal to two minutes.
5. as described in claim 1 suitable for harbour machinery lithium battery capping method, the epoxy resin glue it is hard
Change the time more than or equal to two minutes and is less than or equal to 30 minutes.
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| CN201810779647.7A CN108807731A (en) | 2018-09-03 | 2018-09-03 | The capping method of lithium battery suitable for harbour machinery |
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Application publication date: 20181113 |