CN107331815A - A kind of enclosed cell group - Google Patents
A kind of enclosed cell group Download PDFInfo
- Publication number
- CN107331815A CN107331815A CN201710590098.4A CN201710590098A CN107331815A CN 107331815 A CN107331815 A CN 107331815A CN 201710590098 A CN201710590098 A CN 201710590098A CN 107331815 A CN107331815 A CN 107331815A
- Authority
- CN
- China
- Prior art keywords
- casing
- hole
- cell group
- fixed
- enclosed cell
- 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
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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- 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 of a single cell or a single battery
- 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
Abstract
The present invention provides a kind of enclosed cell group, specifically related to power technique fields, the casing is provided with airtight detection hole, the airtight detection hole is the screwed pipe stomata through the cabinet exterior, sealing nut plug is provided with the airtight detection hole, the sealing nut plug is movably arranged in the airtight detection hole.The present invention have it is simple in construction, cost is relatively low, can reach IP67 waterproof requirements, can quickly carry out the advantage of sealing property detection.
Description
Technical field
The invention belongs to power technique fields, and in particular to a kind of enclosed cell group.
Background technology
Battery case on traditional market, while cost is reduced, it is impossible to synchronous to ensure quality, particularly current country's mark
Standard makes conventional batteries producer can not synchronously be reached in terms of quality and efficiency the Compulsory Feature in terms of battery case IP67 waterproofs
Into existing also no simple and effective method for conducting leak test.Accordingly, it would be desirable in the case where keeping low cost, improve battery
Case sealing, meets IP67 waterproof requirements, and can quickly carry out sealing detection before dispatching from the factory, while ensure that quality
Improve production efficiency.
A kind of safety lithium ion cell group (publication number of patent：CN204271170U a kind of safety lithium ion cell) is disclosed
A plurality of lithium-ion battery monomers in group, including battery housing, battery pack case body；On the lithium-ion battery monomer of two ends
Positive terminal and negative pole end pass through the total plus end of battery pack and battery pack total negative terminal respectively and draw；Exhaust is equipped with battery pack cover
Device, is characterized in：Vacant place in the battery pack case body is filled with extinguishing chemical.The utility model passes through in internal battery pack
Vacant place is filled with extinguishing chemical, and when a certain cell burning in battery pack, its heat can promote the ingredient breakdown of extinguishing chemical,
Decomposition reaction is the endothermic reaction, and not only acting as cooling effect makes battery pack cool rapidly, and catabolite can form glassy
Coating makes combustible and air exclusion in battery, and combustion range is only limitted in battery pack inside bad monomer, and rapidly will
Fray-out of flame inside bad monomer, both avoids fire spreading, can extinguish cell burned flame again, it is ensured that electricity
The security of pond group, but the invention is not considering waterproof requirement and sealing propertytest.
Therefore, urgent need is a kind of simple in construction, and cost is relatively low, can reach IP67 waterproof requirements, can quickly carry out sealing property
The enclosed cell group of detection.
The content of the invention
In order to solve the problem of lower stack seal performance of existing low cost does not reach IP67 waterproof requirements, mesh of the invention
Be to provide a kind of enclosed cell group, with simple in construction, cost is relatively low, can reach IP67 waterproof requirements, can quickly carry out
The advantage of sealing property detection.
The invention provides following technical scheme：
A kind of enclosed cell group, including casing, the casing are provided with airtight detection hole, and the airtight detection hole is to wear
Cross and sealing nut plug, the sealing nut plug are provided with the screwed pipe stomata of the cabinet exterior, the airtight detection hole
It is movably arranged in the airtight detection hole.The airtight detection hole can quick detection battery case air-tightness, detected after use
The sealing nut plug blocks the airtight detection hole, after the completion of battery case assembling, can be carried out by the airtight detection hole
Airtight detection, is filled with 0.015MP air pressure from the airtight detection hole and pins air pressure, when keep 5 minutes in barometric information without drop
It is low, then it is qualified to detect, leakage hole is otherwise found in the way of smearing foam solution.
It is preferred that, the casing is provided with case lid, and the casing is fixedly connected with the case lid, the casing and the case
Sealing joint strip is provided between lid.The sealing joint strip reduces the gas leakage between the casing and the case lid, enhances sealing
Property.
It is preferred that, the sealing joint strip is fixed on the casing upper periphery.
It is preferred that, the cabinet exterior is provided with plug connector, and the connector passes through the cabinet exterior and the grafting
Cushion is provided between part and the casing；The connector is surrounded by sealant layer, and the sealant layer is fixed on institute
State at the gap between connector and the casing.The plug connector is mainly male connector, negative pole connector, communication terminal
The components such as mouth, emergency stop switch, the cushion can reduce the gas leakage between the plug connector and the casing, described
Sealant layer further reduces gas leakage.
It is preferred that, the casing is provided with fixed pin and some installation fixing holes；The installation fixing hole is blind hole；It is described
Fixed pin and the casing are by being arranged on the screw connection installed in fixing hole.The installation fixing hole is blind hole, blind
Hole reduces the gas leakage of the casing.
It is preferred that, a diameter of 16mm of the airtight detection hole, the torsion of the sealing nut plug is more than 3.5 Ns
Rice.
It is preferred that, the battery modules include some equally distributed battery modules, and the battery module is fixed on described
In casing, the battery module includes overall mould, battery core and compound cylinder manifold, and the overall mould is correspondingly arranged at the battery core two
End, the compound cylinder manifold is arranged on the outside of the overall mould, and the overall mould one side is provided with some cylindric holding tanks, the
The one connection tip and the second connection tip, the battery core two ends are placed in the cylindric holding tank, the battery core two ends it is described whole
Body mould is connected by the described first connection tip with the described second connection tip, is additionally provided with and is received with the battery core on the overall mould
The corresponding through hole in tank position, the compound cylinder manifold is provided with position nickel pin weld tabs corresponding with the through hole, the nickel pin
Weld tabs is welded through the through hole with the battery core, and two fixing threaded holes, the compound remittance are additionally provided with the compound cylinder manifold
Stream plate and the overall mould pass through the bolt connection that is arranged in the fixing threaded hole.The first connection tip and described second connects
Connect the setting of the tip make the battery module can quick assembling it is good, the second connection tip strengthens the intensity of the overall mould, subtracts
Small Light deformation, the battery module of the invention is suitable for different Battery cases, because it can be combined arrangement.
It is preferred that, the case lid is provided with three parallel reinforcements, and the reinforcement is fixed on the case lid, described
Reinforcement can strengthen the intensity of the case lid.
It is preferred that, the battery modules are provided with two parallel fixation press strips, and the fixed press strip two ends are fixed on institute
State on cabinet wall.The fixed press strip can further fix the battery modules.
It is preferred that, be additionally provided with some spandrel girders being staggered on the bottom half, the spandrel girder two ends with it is described
Fixed pin is fixedly connected.The spandrel girder can make the bottom half uniform force, prevent local deformation.
The beneficial effects of the invention are as follows：
1st, sealing joint strip reduces the gas leakage between casing and case lid, and cushion can reduce the leakage between plug connector and casing
Gas, sealant layer further reduces gas leakage, and installation fixing hole is blind hole, and blind hole decreases the gas leakage of casing, on
State simple in construction, cost is relatively low, enhances the sealing of casing, can reach IP67 waterproof requirements.
2nd, airtight detection hole can quick detection battery modules air-tightness, block airtight with sealing nut plug after having detected
Detection hole, is filled with 0.015MP air pressure from airtight detection hole and pins air pressure, when keeping in 5 minutes barometric information without reduction, then for
Detection is qualified, and leakage hole is otherwise found in the way of smearing foam solution.
3rd, reinforcement can strengthen the intensity of case lid, and spandrel girder can make bottom half uniform force, prevent local deformation.
4th, fixed press strip can further self-contained battery module.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is casing structural representation in the embodiment of the present invention；
Fig. 2 is the first viewing angle constructions schematic diagram of the embodiment of the present invention；
Fig. 3 is the second viewing angle constructions schematic diagram of the embodiment of the present invention；
Fig. 4 is the viewing angle constructions schematic diagram of the embodiment of the present invention the 3rd；
Fig. 5 is the partial enlarged drawing of the second viewing angle constructions schematic diagram of the embodiment of the present invention；
Fig. 6 is battery modular structure schematic diagram in the embodiment of the present invention；
Fig. 7 is overall mould the first viewing angle constructions schematic diagram in the embodiment of the present invention；
Fig. 8 is overall mould the second viewing angle constructions schematic diagram in the embodiment of the present invention；
Fig. 9 is compound plate structure schematic diagram of confluxing in the embodiment of the present invention；
Marked in figure：1st, casing；11st, sealing joint strip；2nd, case lid；21st, reinforcement；3rd, battery modules；31st, battery mould
Block；311st, overall mould；3111st, through hole；3112nd, cylindric holding tank；3113rd, the first connection tip；3114th, the second connection tip；312、
Battery core；313rd, it is combined cylinder manifold；3131st, nickel pin weld tabs；3132nd, fixing threaded hole；4th, airtight detection hole；41st, sealing nut plug；
5th, fixed pin；The 51st, fixing hole is installed；6th, plug connector；61st, cushion；62nd, sealant layer；7th, fixed press strip；8th, spandrel girder.
Embodiment
The embodiment of the present invention is described below in conjunction with the accompanying drawings.
As Figure 1-5, a kind of enclosed cell group of the invention, including casing 1, casing 1 is provided with airtight detection hole
4, airtight detection hole 4 is that sealing nut plug 41 is provided with the screwed pipe stomata through the outer wall of casing 1, airtight detection hole 4, sealing
Nut plug 41 is movably arranged in airtight detection hole 4.Airtight detection hole 4 can quick detection battery case air-tightness, detected
Airtight detection hole 4 is blocked with sealing nut plug 41 afterwards, after the completion of battery case assembling, can be carried out by airtight detection hole 4 airtight
Detection, is filled with 0.015MP air pressure from airtight detection hole 4 and pins air pressure, when keeping in 5 minutes barometric information without reduction, then for
Detection is qualified, and leakage hole is otherwise found in the way of smearing foam solution.
As Figure 1-5, casing 1 is provided with case lid 2, and casing 1 is fixedly connected with case lid 3, set between casing 1 and case lid 2
Have sealing joint strip 11, sealing joint strip 11 is fixed on the upper periphery of casing 1, sealing joint strip 11 reduce casing 1 and case lid 2 it
Between gas leakage, enhance sealing.The outer wall of casing 1 is provided with plug connector 6, connector 6 through the outer wall of casing 1 and plug connector 6 with
Cushion 61 is provided between casing 1, connector 6 is surrounded by sealant layer 62, and sealant layer 62 is fixed on connector 6 and case
At gap between body 1.Plug connector 6 is mainly the members such as male connector, negative pole connector, PORT COM, emergency stop switch
Device, cushion 61 can reduce the gas leakage between plug connector 6 and casing 1, and sealant layer 62 further reduces gas leakage.Case
Body 1 is provided with fixed pin 5 and some installation fixing holes 51, and installation fixing hole 51 is blind hole, and fixed pin 5 and casing 1 are by setting
Screw connection in fixing hole 51 is being installed.Installation fixing hole 51 is blind hole, and blind hole reduces the gas leakage of casing 1.
As Figure 6-9, battery modules 3 include some equally distributed battery modules 31, and battery module 31 is fixed on case
In body 1, battery module 31 includes overall mould 311, battery core 312 and compound cylinder manifold 313, and overall mould 311 is correspondingly arranged at battery core
312 two ends, compound cylinder manifold 313 is arranged on the overall outside of mould 311, and the overall one side of mould 311 is provided with some cylindric holding tanks
3112nd, the first connection connection tip 3114 of the tip 3113 and second, the two ends of battery core 32 are placed in cylindric holding tank 3112,32 liang of battery core
The overall mould 311 at end is connected by the first connection tip 3113 with the second connection tip 3114, the first connection tip 3113 and second
The setting of the connection tip 3114 make battery module 31 can quick assembling it is good, the second connection tip 3114 strengthens the intensity of overall mould 31,
Reduce and be additionally provided with through hole 3111 corresponding with the position of cylindric holding tank 3112 on Light deformation, overall mould 311, be combined cylinder manifold 313
Position nickel pin weld tabs 3131 corresponding with through hole 3111 is provided with, nickel pin weld tabs 3131 is welded through through hole 3111 with battery core 312,
Two fixing threaded holes 3132 are additionally provided with compound cylinder manifold 313, cylinder manifold 313 and overall mould 311 are combined by being arranged on fixation
Bolt connection in screw 3132, battery module 31 of the invention is suitable for different Battery cases, because it can the row of any combination
Row.
As Figure 2-3, case lid 2 is provided with three parallel reinforcements 21, and reinforcement 21 is fixed on case lid 2, strengthens
Muscle 21 can strengthen the intensity of case lid 2.
As shown in figure 1, battery modules 3 are provided with two parallel fixation press strips 7, the fixed two ends of press strip 7 are fixed on casing 1
On inwall.Fixed press strip 7 can further self-contained battery module 3.
As shown in figure 4, the bottom of casing 1 is provided with some spandrel girders 8 being staggered, the two ends of spandrel girder 8 and fixed pin 5
It is fixedly connected.Spandrel girder 8 can make the bottom uniform force of casing 1, prevent local deformation.
Battery module installation method of the present invention：Each battery module 31 needs two overall moulds 311 to be mounted opposite, overall mould
311, which are internally provided with cylindric holding tank 3112, is used to install battery core 312, and there are the four first connection tips 3113 its corner, and first connects
Connect the tip 3113 to be mutually twisted, also there are the two second connection tips 3114 in the middle of it, for the reinforcement of intermediate intensity, reduce Light deformation.
After battery core 312 is installed with overall mould 311, compound cylinder manifold 313 is installed in the overall outside of mould 311, compound cylinder manifold 313 is used
It is in parallel in anode or cathode voltage end points are carried out, it is combined cylinder manifold 313 and is provided with nickel pin weld tabs 3131, nickel pin weld tabs
3131 one end are used to weld together with the negative or positive electrode of battery core 312, and the other end is connected to compound cylinder manifold 313.
Air-leakage test principle of the present invention：0.015MP air pressure is filled with from airtight detection hole 4 and air pressure is pinned, when holding 5
Barometric information is without reduction, then qualified to detect in minute.It is no, then leakage hole is found in the way of smearing foam solution, it is qualified to detect
Afterwards, airtight detection hole 4 is blocked with sealing nut plug 41.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of enclosed cell group, including casing, it is characterised in that the casing is provided with airtight detection hole, described airtight
Detection hole is that sealing nut plug is provided with the screwed pipe stomata through the cabinet exterior, the airtight detection hole, described close
Envelope nut plug is movably arranged in the airtight detection hole.
2. a kind of enclosed cell group according to claim 1, it is characterised in that the casing is provided with case lid, described
Casing is fixedly connected with the case lid, and sealing joint strip is provided between the casing and the case lid.
3. a kind of enclosed cell group according to claim 2, it is characterised in that the sealing joint strip is fixed on the case
On body upper periphery.
4. a kind of enclosed cell group according to claim 1, it is characterised in that the cabinet exterior is provided with grafting
Part, the connector is provided with cushion through the cabinet exterior and the plug connector and the casing；The connector
Be surrounded by sealant layer, the sealant layer is fixed at the gap between the connector and the casing.
5. a kind of enclosed cell group according to claim 4, it is characterised in that if the casing be provided with fixed pin and
It is dry that fixing hole is installed；The installation fixing hole is blind hole；The fixed pin and the casing are fixed by being arranged on described install
Screw connection in hole.
6. a kind of enclosed cell group according to claim 1, it is characterised in that the airtight detection hole it is a diameter of
16mm, the torsion of the sealing nut plug is more than 3.5 Ns of rice.
7. a kind of enclosed cell group according to claim 1, it is characterised in that battery modules are provided with the casing,
Battery modules include some equally distributed battery modules, and the battery module is fixed in the casing, the battery module
Including overall mould, battery core and compound cylinder manifold, the overall mould is correspondingly arranged at the battery core two ends, and the compound cylinder manifold is set
Put on the outside of the overall mould, the overall mould one side is provided with some cylindric holding tanks, the first connection tip and the second connection
The tip, the battery core two ends are placed in the cylindric holding tank, and the overall mould at the battery core two ends connects by described first
Connect the tip with the described second connection tip to be connected, be additionally provided with the overall mould corresponding with the cylindric holding tank position logical
Hole, the compound cylinder manifold is provided with position nickel pin weld tabs corresponding with the through hole, and the nickel pin weld tabs passes through the through hole
Welded with the battery core, two fixing threaded holes, the compound cylinder manifold and the overall mould are additionally provided with the compound cylinder manifold
Pass through the bolt connection being arranged in the fixing threaded hole.
8. a kind of enclosed cell group according to claim 2, it is characterised in that the case lid is parallel provided with three
Reinforcement, the reinforcement is fixed on the case lid.
9. a kind of enclosed cell group according to claim 7, it is characterised in that the battery modules are put down provided with two
Capable fixation press strip, the fixed press strip two ends are fixed on the cabinet wall.
10. a kind of enclosed cell group according to claim 1, it is characterised in that if being additionally provided with the bottom half
The dry spandrel girder being staggered, the spandrel girder two ends are fixedly connected with the fixed pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590098.4A CN107331815A (en) | 2017-07-19 | 2017-07-19 | A kind of enclosed cell group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590098.4A CN107331815A (en) | 2017-07-19 | 2017-07-19 | A kind of enclosed cell group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107331815A true CN107331815A (en) | 2017-11-07 |
Family
ID=60226640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710590098.4A Pending CN107331815A (en) | 2017-07-19 | 2017-07-19 | A kind of enclosed cell group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107331815A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635075A (en) * | 2019-01-31 | 2019-12-31 | 中航光电科技股份有限公司 | Quick-change battery and battery shell |
-
2017
- 2017-07-19 CN CN201710590098.4A patent/CN107331815A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635075A (en) * | 2019-01-31 | 2019-12-31 | 中航光电科技股份有限公司 | Quick-change battery and battery shell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY147808A (en) | Sealed joint structure for electrochemical device | |
| CN107611526A (en) | Portable, environmental protective battery | |
| CN105024112B (en) | Circular strip sealing ring is without lug zinc and air cell | |
| CN106410251B (en) | A kind of dismountable plate battery series-connected cell pile structure | |
| CN107331815A (en) | A kind of enclosed cell group | |
| CN102306730B (en) | Method for improving safety of high-capacity lithium ion power battery | |
| CN207068951U (en) | A kind of enclosed cell group | |
| CN103500861A (en) | Explosion prevention and fire extinction testing device for lithium ion battery | |
| CN102148097B (en) | Preparation method for energy storage cell and high specific surface electrode of capacitor | |
| CN107452902A (en) | Pole homonymy set it is detachable can gas production immediately analyze chargeable lithium ion battery | |
| CN103094623A (en) | Storage battery | |
| CN209472029U (en) | A kind of new type lithium ion battery | |
| CN208028098U (en) | Current interrupt device, battery cover board assembly, single battery, battery modules, power battery and electric vehicle | |
| CN206282895U (en) | A kind of high temperature energy-storage battery and its sealing structure | |
| CN205645998U (en) | Air battery | |
| CN206148566U (en) | Electronic for bus battery of low -speed | |
| CN201270262Y (en) | Pole column sealing structure for large capacity lithium ionic power cell | |
| CN105958099B (en) | A kind of air cell | |
| CN219811622U (en) | Press riveting stud aluminum pole piece | |
| CN205790016U (en) | A kind of cascade type solar module | |
| CN211879417U (en) | Electrolyte leakage preventing component for battery of electric vehicle | |
| CN219017745U (en) | Intelligent lead-acid battery for motorcycle | |
| CN219873902U (en) | Support device for high-capacity battery, high-capacity battery and energy storage equipment | |
| CN203398204U (en) | Leakage flame retardant structure of lithium ion battery group | |
| CN215008417U (en) | Lithium battery with explosion-proof flame retardant device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171107 |
|
| WD01 | Invention patent application deemed withdrawn after publication |