CN208753377U - A kind of separate type battery case - Google Patents
A kind of separate type battery case Download PDFInfo
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- CN208753377U CN208753377U CN201821686118.4U CN201821686118U CN208753377U CN 208753377 U CN208753377 U CN 208753377U CN 201821686118 U CN201821686118 U CN 201821686118U CN 208753377 U CN208753377 U CN 208753377U
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- side plate
- battery case
- separate type
- top cover
- type battery
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- 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 utility model provides a kind of separate type battery case, which is characterized in that the battery case is composed of the side plate, bottom plate and top cover of separate type, and the side plate, bottom plate and top cover are plate shaped；The medial surface of the side plate, bottom plate and top cover is provided with around separator surrounding for accommodating the injecting glue slot of sealing medium.The utility model combines to form battery case by the side plate, bottom plate, top cover of separate type, it can be realized and install the purpose of separator additional at the cell both ends of HORIZON~○ C~2M battery, and positioning and sealing are realized with separator by the way that injecting glue slot is convenient, acid solution and gas is blocked to spread from the border of separator in adjacent cells compartment, to ensure not alter liquid and gas blowby, and it is easy to process, the problem for eliminating pattern draft bring precision deficiency in overall housing processing, is advantageously implemented the assembling and processing of high leakproofness HORIZON~○ C~2M battery.
Description
[technical field]
The utility model relates to a kind of battery more particularly to a kind of HORIZON~○ C~2M batteries comprising separate type shell.
[background technique]
Lead-acid battery starts from the charge and discharge in the sulfuric acid solution of 10wt% about Pb electrode of Gaston Plante in 1859
Research.1881, the lead plaster that red lead, sulfuric acid and water mix was coated on stereotype as electrode by Camille Faure,
Stereotype is changed to stereotype grid by Ernest Volckmar.This two technologies alleviate lead-acid battery positive and negative pole lead paste softening and shedding,
Effectively improve the capacity of lead-acid battery.Thus lead-acid battery structure basic forming and moves to maturity.By grinding for more than 150 years
Study carefully and improve, lead-acid battery is all reformed in directions such as pole plate, additive, separator material and manufacturing process.Currently, lead
Sour battery production and reserve of electricity still occupy first of electrochmical power source, make huge tribute for the development and progress of human society
It offers.Because its have many advantages, such as reliable and stable, memory-less effect, it is cheap, monomer high capacity cell can be made into, lead-acid battery is
It is widely used as automobile starting power supply, uninterruptible power supply, the electrical source of power from electric bicycle to diesel submarines and accumulation power supply
Etc..
The basic structure of traditional lead acid batteries is that positive/negative plate is formed by the grid for being coated with lead plaster, between positive/negative plate with every
Film separates, and positive/negative plate is welded to battery current and external connection after corresponding busbar connector through pole, and battery cover is by battery
Sealing, prevents electrolyte from flowing out.The pole plate of traditional lead acid batteries is placed by the way of vertical, will appear electrolysis in use process
One of the main reason for polarization phenomena of liquid stratification phenomena, i.e. concentration of electrolyte difference, this is battery capacity decline and the lost of life.
In order to solve problem above, it has been developed that a kind of HORIZON~○ C~2M battery: dipolar configuration subject to pole plate, i.e., in plate
The positive electrode active material of coating on one side of grid is positive plate, and it is negative plate that another side, which coats negative electrode active material,；Between bipolar plates with diaphragm every
It opens, is horizontally staggered and stacks according to certain position, then pressure frame is installed fixed, form battery module and be fitted into battery case,
It is sealed after cast welding, then by acid filling, chemical conversion, horizon battery is finally made, such as Electrosource company, the U.S.
Content documented by the patent US5409787 of application in the 1993 and patent US6074774 of application in 1998.
However, although this HORIZON~○ C~2M battery solves electrolyte stratification phenomena, and internal resistance is small, lightweight, cell
Between series connection be directly realized by by the galvanized wire of connection bipolar plates, without welding (conventional elements lattice series connection, first by the weldering of a upper unit
The integrally welded cathode exit for being connected into integrated positive exit and next unit becomes one by welding again
Body realizes the series connection of adjacent cells lattice), but there are another inherent critical defects: pole between different units lattice
It easily alters liquid or gas blowby (alters liquid and refers to electrical communication between different battery cells, cause short circuit between single lattice；Gas blowby refers to a certain single lattice
Gas, espespecially positive oxygen should be combined to lead oxide in cathode and lead sponge, and then lead oxide and sulfuric acid reaction generate sulphur
Lead plumbate, lead sulfate, which recharges, is reduced into lead, so as to avoid the forfeiture of the single lattice water, but if not being fully sealed between single lattice,
The oxygen that then single lattice generates can then channel to adjacent single lattice, so that the dehydration of the single lattice is caused, meanwhile, also cause adjacent single lattice negative
Pole electric discharge), causing self-discharge of battery increase, galvanized wire to be corroded, aggravation, consistency is poor in groups, and greatly influence battery uses the longevity
Life, this is also the primary factor of limit levels lead-acid battery application.
To alter liquid or gas blowby between suppression level lead-acid battery cells lattice, the sealing between cell must be just solved
Problem, and it is the higher scheme of feasibility that separator (or being sealing element, separator, insulation) is arranged between cell.
But only increase separator can only guarantee connect bipolar plates galvanized wire at do not alter liquid gas blowby, can not block acid solution and
Gas is spread from the border of separator in adjacent cells compartment, therefore, must increase sealing structure on battery case.In this feelings
Under condition, traditional monoblock type battery case is just no longer applicable in.Integral housing is generally process using mold injection, when processing
All there is pattern draft, this leads to not the integral housing that processing meets seal request precision.Therefore, new electricity is developed
Pond shell is the necessary process that HORIZON~○ C~2M battery realizes industrialized production and application.
[summary of the invention]
The utility model provides a kind of separate type battery case, is advantageously implemented the assembling of high leakproofness HORIZON~○ C~2M battery
And processing.
The technical solution of the utility model is as follows:
A kind of separate type battery case, which is characterized in that the battery case is by the side plate of separate type, bottom plate and top cover group
It closes, the side plate, bottom plate and top cover are plate shaped；The medial surface of the side plate, bottom plate and top cover, which is provided with, to be surrounded
The injecting glue slot for being used to accommodate sealing medium of separator surrounding.It is fluid that sealing medium, which refers to original state, after cured processing
Form solid and the substance with sealing effect.Side plate, bottom plate and top cover can be fastened by grafting, bonding, welding, fastener
Etc. modes be combined into battery case；Plate shaped finger main structure is plate, and non-limiting its cannot have other function structure, such as side
The step of edge, rib of bottom etc..
Further, above-mentioned side plate is provided with for positioning surface Nian Jie or welding with bottom plate, and the bottom plate, which is provided with, matches
Close the locating slot of the positioning surface；Or the bottom plate is provided with for positioning surface Nian Jie or welding with side plate, the side plate
It is provided with the locating slot for cooperating the positioning surface.The location fit in the combination of side plate and bottom plate preferred face and slot can will position
Face is set to side plate, and locating slot is set to bottom plate, can also be arranged in turn, which will affect the sequence of assembling.
Further, above-mentioned side plate and the top cover are fastened by pin or hot melt or dovetail self-locking.The structure was both
Sealing container can be formed, certain stacking pressure is also able to bear, additional pressure frame is not needed and inside battery is allowed to deposit
In biggish stacking pressure, is conducive to simplify assembling, mitigates battery gross weight.
Specifically, there are many combinations of side plate and top cover, the two sides of one embodiment such as top cover and side plate cooperation
It is provided with forked tail platform, side plate position corresponding with forked tail platform is provided with the dovetail groove for cooperating with forked tail platform, the two phase
Mutually cooperation can be such that side plate and top cover fixes by dovetail self-locking；Another embodiment, above-mentioned side plate and top cover sidewall are provided with
Pin hole, the top cover and side plate pass through together with pin fastener；Further embodiment, side plate and top cover can be passed through by plastics
Ultrasonic welding is together.
Further, above-mentioned top cover or side plate are provided with gas bleeder valve.Gas bleeder valve is used to extra gas battery is discharged, and is
At least one gas bleeder valve should be arranged in the cell (corresponding to every group of battery electrode group) of safety, each sealing.
Further, the fit clearance between above-mentioned top cover and side plate is sealed by sealing medium.
Further, the fit clearance between above-mentioned side plate and bottom plate is sealed by sealing medium.
Further, above-mentioned side plate is provided with acid filling hole.Compared to acid filling hole is arranged on top cover, note is set on side plate
Sour hole is more advantageous to uniform acid filling and reduces the influence of air.
Further, above-mentioned side plate, bottom plate and top cover are integrated injection molding.
Further, above-mentioned side plate is provided with negative electrode active material accommodation groove on the extending direction of every piece of negative plate.?
In the use process of lead-acid battery, volume expansion can all occur for positive and negative anodes active material, and negative electrode active material expansion is obvious big
In anode, negative electrode active material accommodation groove is designed in battery case side plate, the cathode dendrite vertical direction after can preventing expansion is grown up,
Diaphragm is pierced through, is contacted with positive electrode active material, to avoid or delay the generation of short circuit, extends battery.
Further, above-mentioned battery case further includes several for separating the partition of multiple battery electrode groups.Horizontal double pole
If battery is using linear structure, length direction occupied space is excessive, limits its scope of application, and can combine battery electrode group and set
Left and right U-typed structure and upper and lower U-typed structure are counted, its spatial volume is adjusted, can be separated by partition.
For upper and lower U-typed structure, aforementioned barriers are horizontal direction setting, the side plate be provided with it is described horizontal positioned
The positioning region of partition secure fit, the upper surface of partition and the inner surface of bottom plate are identical, the lower surface of partition and the interior table of top cover
Face is identical.For left and right U-typed structure, the partition be vertically to setting, the bottom plate and top cover be provided with it is described vertical
The positioning region of the partition secure fit of placement, the left side of partition and the inner surface of right side plate are identical, right side and left plate
Inner surface is identical.
For upper and lower U-typed structure, exhaust valve can not be arranged on top cover, side plate region corresponding with each battery electrode group
It is provided with exhaust valve.
The beneficial effects of the utility model are as follows:
1) the utility model combines to form battery case by the side plate, bottom plate, top cover of separate type, can be realized in level
The cell both ends of lead-acid battery install the purpose of separator additional, and realize positioning and sealing with separator by the way that injecting glue slot is convenient,
Acid solution and gas is blocked to spread from the border of separator in adjacent cells compartment, to ensure not alter liquid and gas blowby, and easily
In processing, the problem of pattern draft bring precision deficiency in overall housing processing is eliminated；
2) battery case of the utility model by separate type side plate, bottom plate and top cover by pin, grafting, bonding or
The fixation of the modes such as welding is formed, the dovetail self-locking structure especially between side plate and top cover, can tolerate higher assembling pressure
Power provides necessary stacking pressure without pressure frame additional in traditional structure, is conducive to mitigate battery weight；
3) different portions can may be implemented by filling the sealing mediums such as epoxy glue in injecting glue slot in the utility model after solidification
The sealing of bonding and gap between part, can generate the effect of good barrier acid solution and acid gas, and play one to battery electrode group
Fixed fixed function；
4) assemble method of the separate case of the utility model is reasonable, and step is easy, and sealing effect is good, is both conducive to mention
The overall performance of high battery, and improve the packaging efficiency of HORIZON~○ C~2M battery.
[Detailed description of the invention]
Fig. 1 is the schematic diagram of the side plate interior sides of embodiment one；
Fig. 2 is the top view of the side plate of embodiment one；
Fig. 3 is the sectional view along A-A of the side plate of embodiment one；
Fig. 4 is the schematic diagram on the inside of the bottom plate of embodiment one；
Fig. 5 is the stereoscopic schematic diagram of the top cover of embodiment one；
Fig. 6 is the longitudinal sectional view of the top cover of embodiment one；
Fig. 7 is the forked tail platform of embodiment one and the schematic diagram of dovetail groove cooperation；
Fig. 8 is the schematic diagram of the side plate interior sides of embodiment two；
Fig. 9 is the top view of the side plate of embodiment two；
Figure 10 is the enlarged drawing at position " I " of the side plate of embodiment two；
Figure 11 is the schematic diagram of the bayonet fittings of embodiment three；
Figure 12 is the schematic diagram on the outside of the side plate of embodiment three；
Figure 13 is the schematic diagram on the outside of the side plate of example IV；
Figure 14 is the longitudinal sectional view of the side plate of embodiment five；
Figure 15 is the schematic diagram for the 12V battery that the left and right U-typed of embodiment six is arranged；
Figure 16 is the top view of the partition of embodiment six；
Figure 17 is the schematic diagram on the inside of the bottom plate of embodiment six；
Figure 18 is the schematic diagram in the hole containing acid filling for the 12V battery that the U-typed up and down of embodiment seven is arranged；
Figure 19 is the schematic diagram containing exhaust valve for the 12V battery that the U-typed up and down of embodiment seven is arranged；
Figure 20 is the schematic diagram of the partition of embodiment seven.
[specific embodiment]
The utility model is described in further details with specific embodiment below, but the utility model be not only limited to
Lower specific embodiment.
Embodiment provided below is not the range that is covered to limit the utility model, and described step is not yet
It is to execute sequence to limit its.Those skilled in the art, which do the utility model in conjunction with existing common knowledge, obviously to be changed
Into also falling within the protection scope of the requires of the utility model.Galvanized wire as described herein, which refers to, plays transmission electric energy in lead-acid battery
Conducting wire, material includes but is not limited to galvanized wire, for example can be alloy lead silk or composite guide electric wire.Sealing medium refers to initially
State is fluid, and the material of solid can be formed after curing process, as epoxy glue, plastics or other with similar properties
Insulating materials.Assemble method as described herein is only described from the prior art there are different steps, and part is omitted and routinely walks
Suddenly.The definition of battery electrode group with cell herein is identical, and upper and lower, left and right refer both to the direction relative to diagram, not uses
In restriction absolute direction.
Embodiment one
A kind of separate type battery case by separate type integrated injection molding plate shaped side plate 110, bottom plate 120 and top cover
130 are composed, and Fig. 1~3 are the schematic diagram of side plate, and Fig. 4~5 are the schematic diagram of bottom plate, and Fig. 6~7 are that side plate is combined with top cover
Schematic diagram.The medial surface of both side plate 110, bottom plate 120 and top cover 130 is provided with injecting glue slot, formed after combination around every
The ring-shaped pouring glue groove for being used to accommodate sealant of off member surrounding.Positioning surface 111 is arranged in side plate 110, and the bottom plate is provided with positioning
Slot 121, positioning surface 111 and the cooperation of locating slot 121 make side plate 110 bond together with bottom plate 120.Side plate 110 and bottom plate 120
In conjunction with the location fit in preferred face and slot, positioning surface can be set to bottom plate, locating slot is set to side plate.
The edge of top cover 130 is provided with forked tail platform 131, and the position corresponding with forked tail platform 131 of both side plate 110 is provided with dovetail
Slot 113, the two mutual cooperation can make side plate 110 and the self-locking fixation of top cover 130.The structure can form sealing container, also can
Certain stacking pressure is enough born, additional pressure frame is not needed and allows inside battery there are biggish stacking pressure, is had
Conducive to simplified assembling, mitigate battery gross weight.
The gas bleeder valve 133 of battery is set on top cover 130, for battery to be discharged in extra gas, for safety, each
The cell (corresponding to every group of battery electrode group) of sealing should all be provided with a gas bleeder valve.Fit clearance between top cover and side plate
134 are sealed by sealant；Likewise, the fit clearance between side plate and bottom plate is sealed also by sealant.
The shape of injecting glue slot 112 can not be defined, and can be realized the function of accommodating sealant；But in order into one
The positioning of step, two seamed edges 115 for forming injecting glue slot 112 are preferably slightly above plate level, to facilitate while realize positioning and note
Glue function.The injecting glue slot of the present embodiment is the rectangular recess that two seamed edges 115 are higher than plate 2-20mm, groove depth 3-30mm.
Embodiment two
The difference is that, the injecting glue slot of the side plate 210 of embodiment two is by projected square part 213 and circle with embodiment one
Part 214 form, circular portion 214 from plate level to plate inside be concavely formed, projected square part 213 is prolonged outside plate by thinking
Two seamed edges 215 formation stretched, 211 be the positioning surface of side plate, as shown in Figure 8,9, 10.
Embodiment three
With embodiment one the difference is that, the combination of the side plate and top cover of embodiment three be not by forked tail platform, and
It is by pin or screw, as shown in Figure 11,12.Side plate 310 is provided with nail hole 316, the corresponding position in the edge of top cover 330
It is also equipped with hole, the two passes through pin or the cooperation fastening of screw 360.Exhaust valve 333 is set on top cover 330, top cover 330
It is sealed with the fit clearance 334 of side plate 310 by sealant；Likewise, the fit clearance between side plate 310 and bottom plate 320
It is sealed by sealant.
Example IV
The difference is that, the side plate 410 of example IV is additionally provided with acid filling hole 416 with embodiment one, side plate 410 with
Bottom plate is fixed by 411 welding of positioning surface combination, as shown in figure 13.
Embodiment five
The difference is that, side plate 510 is in addition to being provided with positioning surface 511 and dovetail groove 512, every with embodiment one
Negative electrode active material accommodation groove 513 is additionally provided on the extending direction of block negative plate, as shown in figure 14.In the use of lead-acid battery
In the process, volume expansion can all occur for positive and negative anodes active material, and negative electrode active material expansion is significantly greater than anode, in battery case
Side plate 510 designs negative electrode active material accommodation groove 513, and the cathode dendrite vertical direction after can preventing expansion is grown up, and pierces through diaphragm,
It is contacted with positive electrode active material, to avoid or delay the generation of short circuit, extends battery.
Embodiment six
If horizontal double pole battery is using linear structure, length direction occupied space is excessive, limits its scope of application,
Battery electrode group Combination Design or so U-typed structure as shown in figure 15, can be adjusted its spatial volume.The battery is 12V, by 6
Battery cluster is connected in series, 3 battery clusters of every row, two rows of side by side, and positive and negative terminals are arranged on top cover.Battery case has a bottom
Plate 620, both side plate 610, two top covers 631 and 632 composition, are provided with intermediate bulkhead 640 between two rows of battery electrode groups side by side.Partition
640 are integrated the plate of injection molding, and two sides are respectively provided with the injecting glue slot 641 formed by two seamed edges 642.Bottom plate 620 is provided with two
For the locating slot 621 fixed with side plate, and the medial launder 623 engaged with partition 640, and phase vertical with medial launder 623
The 4 injecting glue slots 622 handed over.Specific such as Figure 16,17.
Embodiment seven
If horizontal double pole battery is using linear structure, length direction occupied space is excessive, limits its scope of application,
U-typed structure above and below battery electrode group Combination Design as shown in Figure 18,19, can be adjusted its spatial volume.The battery is 12V, by
6 battery clusters are connected in series, every layer of 3 battery cluster, and two layers arranged side by side, positive and negative terminals are arranged in side.Battery case has one
Bottom plate, both side plate 710, top cover 730 form, and are provided with intermediate bulkhead 740 between two layers arranged side by side of battery electrode group.For upper and lower " U "
Type structure, partition 740 be horizontal direction setting integrated injection molding plate, the side plate be provided with it is described horizontal positioned
The positioning region of partition secure fit, the upper surface of partition and the inner surface of bottom plate are identical, the lower surface of partition and the interior table of top cover
Face is identical, as shown in figure 20.For upper and lower U-typed structure, exhaust valve can not be arranged on top cover, side plate and each battery electrode group
Corresponding region is provided with exhaust valve 750, while being also equipped with corresponding acid filling hole 760.
Claims (15)
1. a kind of separate type battery case, which is characterized in that the battery case is combined by the side plate, bottom plate and top cover of separate type
It forms, the side plate, bottom plate and top cover are plate shaped；The medial surface of the side plate, bottom plate and top cover be provided with around every
The injecting glue slot for being used to accommodate sealing medium of off member surrounding.
2. separate type battery case according to claim 1, which is characterized in that the side plate is provided with for viscous with bottom plate
It connects or the positioning surface of welding, the bottom plate is provided with the locating slot for cooperating the positioning surface；Or the bottom plate is provided with and is used for
Positioning surface Nian Jie or welding with side plate, the side plate are provided with the locating slot for cooperating the positioning surface.
3. separate type battery case according to claim 1, which is characterized in that the side plate and the top cover pass through pin
Either hot melt or dovetail self-locking fastening.
4. separate type battery case according to claim 3, which is characterized in that the two sides that the top cover cooperates with side plate are set
It is equipped with forked tail platform, side plate position corresponding with forked tail platform is provided with the dovetail groove for cooperating with forked tail platform.
5. separate type battery case according to claim 3, which is characterized in that the side plate and top cover sidewall are provided with pin
Nail hole, the top cover and side plate pass through together with pin fastener.
6. separate type battery case according to claim 1, which is characterized in that the top cover or side plate are provided with discouraged
Valve.
7. separate type battery case according to claim 1, which is characterized in that between the cooperation between the top cover and side plate
Gap is sealed by sealing medium.
8. separate type battery case according to claim 1, which is characterized in that between the cooperation between the side plate and bottom plate
Gap is sealed by sealing medium.
9. separate type battery case according to claim 1, which is characterized in that the side plate is provided with acid filling hole.
10. separate type battery case according to claim 1, which is characterized in that the side plate, bottom plate and top cover are one
Body injection molding.
11. separate type battery case according to claim 1, which is characterized in that the side plate prolongs every piece of negative plate
It stretches and is provided with negative electrode active material accommodation groove on direction.
12. separate type battery case according to claim 1, which is characterized in that the battery case further includes several use
In the partition for separating multiple battery electrode groups.
13. separate type battery case according to claim 12, which is characterized in that the partition is horizontal direction setting, institute
It states side plate and is provided with medial launder with the horizontal positioned partition secure fit.
14. separate type battery case according to claim 12, which is characterized in that the partition is vertically to setting, institute
It states bottom plate and top cover is provided with medial launder with the partition secure fit being disposed vertically.
15. separate type battery case according to claim 13, which is characterized in that the side plate and each battery electrode group pair
The region answered is provided with exhaust valve.
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| CN201821686118.4U CN208753377U (en) | 2018-10-17 | 2018-10-17 | A kind of separate type battery case |
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103409A (en) * | 2019-06-17 | 2020-12-18 | 北京好风光储能技术有限公司 | Three-section type battery shell |
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2018
- 2018-10-17 CN CN201821686118.4U patent/CN208753377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103409A (en) * | 2019-06-17 | 2020-12-18 | 北京好风光储能技术有限公司 | Three-section type battery shell |
| CN112103409B (en) * | 2019-06-17 | 2023-05-26 | 北京好风光储能技术有限公司 | Three-section type battery shell |
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