CN103400947B - Maintenance-free lead accumulator closing cap and maintenance-free lead accumulator - Google Patents
Maintenance-free lead accumulator closing cap and maintenance-free lead accumulator Download PDFInfo
- Publication number
- CN103400947B CN103400947B CN201310334952.2A CN201310334952A CN103400947B CN 103400947 B CN103400947 B CN 103400947B CN 201310334952 A CN201310334952 A CN 201310334952A CN 103400947 B CN103400947 B CN 103400947B
- Authority
- CN
- China
- Prior art keywords
- maintenance
- tank circuit
- lead accumulator
- free lead
- closing cap
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 210000005056 cell body Anatomy 0.000 claims description 23
- 239000003792 electrolyte Substances 0.000 claims description 22
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 39
- 239000007789 gas Substances 0.000 abstract description 27
- 239000007788 liquid Substances 0.000 abstract description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 13
- 239000001301 oxygen Substances 0.000 abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 11
- 239000001257 hydrogen Substances 0.000 abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 11
- 238000010992 reflux Methods 0.000 abstract description 4
- 239000002253 acid Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 210000004027 cell Anatomy 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910000978 Pb alloy Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001245 Sb alloy Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002140 antimony alloy Substances 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000002142 lead-calcium alloy Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
- Filling, Topping-Up Batteries (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The invention provides a kind of maintenance-free lead accumulator closing cap, comprising: the first cover plate, first tank circuit described first cover plate being provided with fluid apertures and communicating with described fluid apertures; Second cover plate, described second cover plate is provided with the vent plug matched with described fluid apertures and coordinates with described first tank circuit second tank circuit forming path, described vent plug being provided with the gap communicated with described second tank circuit; Pressure limiting device, described pressure limiting device is arranged on described first tank circuit coordinates the path formed end with second tank circuit.The invention provides a kind of maintenance-free lead accumulator, comprise above-mentioned maintenance-free lead accumulator closing cap.Described maintenance-free lead accumulator closing cap has gas-liquid conversion chamber, the oxygen that accumulator positive, negative plate can be generated, hydrogen are combined into water wherein and reflux, the gas of storage battery and sulfuric acid droplets is effectively avoided to overflow, during charging, fluid loss is less, thus guarantee that battery liquid is sufficient, extend the service life cycle of storage battery.
Description
Technical field
The present invention relates to Lead-acid Battery Technology field, particularly a kind of maintenance-free lead accumulator closing cap and maintenance-free lead accumulator.
Background technology
For traditional lead acid accumulator (also known as conventional accumulators), its electrode is made up of plumbous and plumbous oxide, and the gratings of pole plate is manufactured by lead-antimony alloy usually, and electrolyte is sulphur aqueous acid, and major advantage is voltage stabilization and low price.In general, traditional lead acid accumulator comprises the battery cell body for electrodes, dividing plate and electrolyte, and be positioned on described battery cell body, be provided with the devices such as the closing cap of fluid apertures and vent plug, be provided with the Cell closure lid of traditional through type vent plug as shown in Figure 1, Fig. 1 is the structural representation of the Cell closure lid being provided with traditional through type vent plug, wherein, 11 is closing cap; 12 is fluid apertures, does not mark vent plug in Fig. 1, and described fluid apertures and vent plug are mainly used in filling electrolyte and emission gases.Traditional lead acid accumulator can cause moisture to reduce in a large number when electrolysis, produce hydrogen and oxygen, sulfuric acid overflows, so need periodic detection and battery maintenance in company with gas together with the form of droplet simultaneously, make electrolyte remain on suitable level, thus ensure the normal work of battery.But owing to needing to make regular check on the height of electrolyte and adding distilled water, there is short and regular maintenance in the useful life shortcoming such as frequent in traditional lead acid accumulator.In view of this, various types of lead acid accumulator is all towards future developments such as non-maintaining and closures.
At present, the gratings that maintenance-free lead accumulator adopts lead-calcium alloy to make usually, the water decomposition amount produced during charging is less, and water evaporation quantity is low; Battery case adopts hermetically-sealed construction, and Cell closure covers and is provided with safety valve, and the sulfuric acid gas discharged is also little.Traditional sealed maintenance-free lead acid battery is barren liquor type, i.e. nothing flowing electrolyte in battery, the glass fibre separator (AGM dividing plate) used not exclusively adsorbs sulfuric acid electrolyte, object is that the oxygen that accumulator anode board is produced in the course of the work is diffused into negative plate from positive plate by the aperture of AGM dividing plate, and water generation reaction there, that causes because of dehydration to avoid storage battery scraps.
But, for above-mentioned traditional barren liquor type maintenance-free lead-acid, when oxygen and hydrogen incomplete reaction, gas will be discharged from storage battery, sulfuric acid also overflows in company with gas together by with the form of droplet, make storage battery that early stage electrolyte solution loss occur, shorten the service life cycle of storage battery.
Summary of the invention
In order to solve above technical problem, the invention provides a kind of maintenance-free lead accumulator closing cap and maintenance-free lead accumulator, comprise closing cap provided by the invention maintenance-free lead accumulator charging time fluid loss less, the service life cycle of storage battery can be extended.
The invention provides a kind of maintenance-free lead accumulator closing cap, comprising:
First cover plate, first tank circuit described first cover plate being provided with fluid apertures and communicating with described fluid apertures;
Second cover plate, described second cover plate is provided with the vent plug matched with described fluid apertures and coordinates with described first tank circuit second tank circuit forming path, described vent plug being provided with the gap communicated with described second tank circuit;
Pressure limiting device, described pressure limiting device is arranged on described first tank circuit coordinates the path formed end with second tank circuit.
Preferably, described first tank circuit comprises more than two grooves communicated, and the total length of described first tank circuit is greater than 400mm.
Preferably, described first tank circuit is symmetrical relative to fluid apertures, and in described fluid apertures position being, the degree of depth of each groove of described first tank circuit from inside to outside shoals gradually.
Preferably, described vent plug comprises the outer core set gradually, inner core, and described outer core and inner core form inner sandwich layer, and described inner in-core communicates with fluid apertures;
Described outer core is provided with the outer core gap communicated with described second tank circuit, described inner core is provided with inner core gap, described inner sandwich layer is communicated with described fluid apertures by inner core gap.
Preferably, the outer core gap of described vent plug and the width in inner core gap are 2mm ± 0.2mm, and length is 20mm ± 2mm.
Preferably, described pressure limiting device comprises the cover plate with steam vent and the diaphragm seal be arranged on described cover plate.
Preferably, in described pressure limiting device, the compressive resistance of described diaphragm seal is 15mm water column.
The present invention also provides a kind of maintenance-free lead accumulator, comprising:
Battery cell body, is placed with pole plate, electrolyte and dividing plate in described battery cell body;
Be positioned at the maintenance-free lead accumulator closing cap mentioned above on described battery cell body.
Preferably, in described battery cell body, the position height 30mm ± 10mm of pole plate described in the aspect ratio of described electrolyte.
Preferably, described dividing plate is PE dividing plate.
Compared with prior art, maintenance-free lead accumulator provided by the invention comprises: battery cell body, is placed with pole plate, electrolyte and dividing plate in described battery cell body; With the maintenance-free lead accumulator closing cap be positioned on described battery cell body.Wherein, described maintenance-free lead accumulator closing cap comprises: the first cover plate being provided with fluid apertures and first tank circuit, and described first tank circuit communicates with fluid apertures; Be provided with the second cover plate of vent plug and second tank circuit, described vent plug matches with fluid apertures, described vent plug is provided with the gap communicated with second tank circuit, and described second tank circuit coordinates with first tank circuit and forms path; And be arranged on described first tank circuit coordinates the end of the path formed pressure limiting device with second tank circuit.In charging process, the oxygen that described maintenance-free lead accumulator produces and hydrogen and sulfuric acid droplets wherein spill into path from fluid apertures along the gap of vent plug, again through the path of certain length, the liquid of sulfuric acid droplets condensation and gas chemical combination can flow to fluid apertures from the end of path, finally flows in storage battery and is recycled.Wherein, the resistance to certain pressure of pressure limiting device of the end setting of path, can make the abundant compound of gas.The gas that storage battery produces in charging process is through described pressure limiting device, and when air accumulation to pressure is greater than in limited time, gas can be discharged; When pressure is not more than in limited time, under the effect of pressure limiting device, oxygen, hydrogen composition generation water that storage battery produces, be back to recycle in battery, simultaneously also for the sedimentation of sulfuric acid droplets creates condition.
That is, path between the gap of the vent plug of maintenance-free lead accumulator closing cap of the present invention and vent plug to pressure limiting device defines a gas-liquid conversion chamber, the oxygen that accumulator positive, negative plate can be generated, hydrogen are at the useful space composition generation water of certain pressure, and reflux cycle uses.Therefore, the present invention can effectively avoid the gas of storage battery and sulfuric acid droplets to overflow battery, and during charging, fluid loss is less, thus guarantees that battery liquid is sufficient, extends the service life cycle of storage battery.
Further, maintenance-free lead accumulator of the present invention selects PE dividing plate, adopts pregnant solution type structure, keeps rich solution state, is also beneficial to and guarantees that battery liquid is sufficient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Cell closure lid being provided with traditional through type vent plug;
The structural representation front view of the maintenance-free lead accumulator closing cap that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the vent plug AA that Fig. 3 provides for the embodiment of the present invention;
The structural representation end view of the maintenance-free lead accumulator closing cap that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the pressure limiting device B that Fig. 5 provides for the embodiment of the present invention;
The schematic diagram of the maintenance-free lead accumulator that Fig. 6 provides for the embodiment of the present invention.
Embodiment
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
The invention provides a kind of maintenance-free lead accumulator closing cap, comprising:
First cover plate, first tank circuit described first cover plate being provided with fluid apertures and communicating with described fluid apertures;
Second cover plate, described second cover plate is provided with the vent plug matched with described fluid apertures and coordinates with described first tank circuit second tank circuit forming path, described vent plug being provided with the gap communicated with described second tank circuit;
Pressure limiting device, described pressure limiting device is arranged on described first tank circuit coordinates the path formed end with second tank circuit.
Maintenance-free lead accumulator closing cap provided by the invention has the gas-liquid conversion chamber be made up of the first cover plate, the second cover plate and pressure limiting device, the space of appropriate design gas-liquid conversion chamber of the present invention and length, restriction certain pressure, make the gas compound in described gas-liquid conversion chamber produced during charge in batteries, and emission gases during superpressure, change the gas recombination mode of gas by partition pores migration compound of existing barren liquor type battery like this, fluid loss during maintenance-free lead accumulator charging can be reduced, thus extend the service life cycle of storage battery.
The structural representation front view of the maintenance-free lead accumulator closing cap that the structure of the maintenance-free lead accumulator closing cap that the embodiment of the present invention provides provides for the embodiment of the present invention see Fig. 2, Fig. 2.In fig. 2, A is fluid apertures, and B is pressure limiting device, and D is that first tank circuit and second tank circuit coordinate the path formed.
In the present invention, described maintenance-free lead accumulator closing cap comprises the first cover plate, first tank circuit being provided with fluid apertures A and communicating with fluid apertures A.
Described maintenance-free lead accumulator closing cap comprises the second cover plate, be provided with vent plug and second tank circuit, described vent plug is provided with the gap communicated with described second tank circuit, described vent plug matches with fluid apertures A, and described second tank circuit coordinates with first tank circuit and forms path D.
In charging process, the oxygen that described maintenance-free lead accumulator produces and hydrogen and sulfuric acid droplets wherein spill into path D from fluid apertures A along the gap of vent plug, again through the path D of certain length, the liquid of sulfuric acid droplets condensation and gas chemical combination can flow to fluid apertures A from the end of path D, finally flows in storage battery and is recycled.
In the present invention, arrange apertured vent plug to match with fluid apertures A.The structural representation of the vent plug AA that the structure of described vent plug provides for the embodiment of the present invention see Fig. 3, Fig. 3.In the vent plug AA shown in Fig. 3,31 is outer core, and 32 is inner core, and 33 is outer core gap, and 34 is inner core gap.
In one embodiment of the invention, vent plug AA comprises the outer core 31, the inner core 32 that set gradually, and sandwich layer in outer core 31 is formed with inner core 32, communicates with fluid apertures A in inner core 32;
Outer core 31 is provided with the outer core gap 33 communicated with described second tank circuit, inner core 32 is provided with inner core gap 34, described inner sandwich layer is communicated with fluid apertures A by inner core gap 34.
In charging process, the oxygen that storage battery produces and hydrogen and sulfuric acid droplets wherein spill in path D to outer core gap 33 from fluid apertures A along core gap 34 vent plug AA.
The gap size of the present invention to described vent plug is not particularly limited, and in one embodiment of the invention, the outer core gap of described vent plug and the width in inner core gap are 2mm ± 0.2mm, and length is 20mm ± 2mm.The outer core gap of described vent plug can be different from the width in inner core gap, and length also can be different, and the length as outer core gap can be shorter than the length in inner core gap.The diameter of the present invention to described fluid apertures and vent plug is not particularly limited, according to the diameter of the existing fluid apertures in this area.
In the present invention, path D is the gas circuit between described vent plug to pressure limiting device, to be coordinated formed by first tank circuit with second tank circuit; Described first tank circuit is arranged on the first cover plate, communicates with fluid apertures A; Described second tank circuit is arranged on the second cover plate, communicates with the gap on vent plug.That is, the groove of described first tank circuit is identical with arranging of the groove of second tank circuit, correspondingly becomes path, gas and liquid can be made to spill into wherein from fluid apertures along the gap of vent plug, and described gas is combined into water wherein, together flow to fluid apertures with described liquid, finally flow in storage battery.
In the present invention, described first tank circuit preferably includes more than two grooves communicated, and more preferably comprises more than ten grooves communicated; The total length of described first tank circuit is preferably greater than 400mm.In one embodiment of the invention, described first tank circuit comprises 27 grooves communicated, and total length is greater than 400mm, forms the path of the complications of certain length like this, is beneficial to and carries out gas-liquid conversion.
In the present invention, described first tank circuit is preferably symmetrical relative to fluid apertures; The width of each groove of described first tank circuit is preferably identical, is convenient to processing, and it is all preferably 3mm ± 0.5mm; The degree of depth of each groove of described first tank circuit can be identical, is all preferably 15mm ± 5mm, also can be different.In one embodiment of the invention, described first tank circuit is symmetrical relative to fluid apertures, and in described fluid apertures position being, the degree of depth of each groove of described first tank circuit from inside to outside shoals gradually; The degree of depth of each groove from inside to outside can reduce gradually in the scope of 15mm ± 5mm.See the structural representation end view of the maintenance-free lead accumulator closing cap that Fig. 4, Fig. 4 provide for the embodiment of the present invention.In the diagram, C is the groove of outermost end.Namely, the embodiment of the present invention take fluid apertures as lowest surfaces, with the outermost end of first tank circuit for the highest, and the formation slope, bottom in path, being conducive to sulfuric acid droplets like this solidifies with the liquid of gas chemical combination from outer end, path along slope current to fluid apertures, finally flows into storage battery and is recycled.
In the present invention, for making the abundant compound of gas, described maintenance-free lead accumulator closing cap comprises pressure limiting device B, and it is arranged on described first tank circuit coordinates the path D formed end with second tank circuit.The structural representation of the pressure limiting device B that the structure of described pressure limiting device provides for the embodiment of the present invention see Fig. 5, Fig. 5.In the pressure limiting device B shown in Fig. 5,51 is cover plate, and 52 is steam vent, and 53 is diaphragm seal.
In one embodiment of the invention, pressure limiting device B comprises the cover plate 51 with steam vent 52 and the diaphragm seal 53 be arranged on cover plate 51.
In pressure limiting device B, the size of steam vent 52 is according to the size of the existing steam vent in this area.The diameter of diaphragm seal 53 is preferably 10mm ± 2mm, and thickness is preferably 5mm ± 2mm; Material can be PP or PE; Compressive resistance is preferably 15mm water column, and gas flow is preferably 500mL/min ± 50mL/min.
The gas that storage battery produces in charging process is through pressure limiting device B, and when air accumulation is greater than above higher limit to pressure, gas can be discharged; When pressure is not more than described higher limit, under the effect of pressure limiting device, oxygen, hydrogen composition generation water that storage battery produces, be back to recycle in battery, simultaneously also for the sedimentation of sulfuric acid droplets creates condition.
In the present invention, described first cover plate, the second cover plate, vent plug and pressure limiting device all adopt the conventional material in this area to make, and size can be arranged according to actual requirement.The embodiment of the present invention can the first cover plate be large lid, and with the second cover plate for tegillum, tegillum is placed on large lid.Described vent plug and pressure limiting device can processing one-body molded with corresponding cover plate, also can process separately and assemble.
In sum, in maintenance-free lead accumulator closing cap of the present invention, path between the gap of vent plug and vent plug to pressure limiting device defines a gas-liquid conversion chamber, the oxygen that accumulator positive, negative plate can be generated, hydrogen are at the useful space composition generation water of certain pressure, and reflux cycle uses.Therefore, the present invention can effectively avoid the gas of storage battery and sulfuric acid droplets to overflow battery, and during charging, fluid loss is less, thus guarantees that battery liquid is sufficient, extends the service life cycle of storage battery.
Present invention also offers a kind of maintenance-free lead accumulator, comprising:
Battery cell body, is placed with pole plate, electrolyte and dividing plate in described battery cell body;
Be positioned at the maintenance-free lead accumulator closing cap mentioned above on described battery cell body.
Maintenance-free lead accumulator provided by the invention comprises closing cap mentioned above, the problem of the early stage capacitance loss that the dilute sulfuric acid electrolyte solving existing maintenance free cell causes because of dehydration, during charging, fluid loss is less, thus has longer service life cycle.
The schematic diagram of the maintenance-free lead accumulator that the maintenance-free lead accumulator that the embodiment of the present invention provides provides for the embodiment of the present invention see Fig. 6, Fig. 6.In figure 6,61 is battery cell body, and 62 is maintenance-free lead accumulator closing cap.
In the present invention, described maintenance-free lead accumulator comprises battery cell body 61, is placed with pole plate, electrolyte and dividing plate in it.The present invention is not particularly limited the material of described battery cell body and size, and the pole plate placed in described battery cell body, electrolyte and dividing plate adopt this area to commonly use, and the present invention there is no particular restriction, as the sulfuric acid electrolyte adopting this area conventional.
In battery cell body 61, the preferred high 30mm ± 10mm in the position of pole plate described in the aspect ratio of described electrolyte is pregnant solution type; Described dividing plate is preferably PE dividing plate, makes oxygen channel blocking in dividing plate.The present invention preferably adopts pregnant solution type structure, keeps rich solution state, is beneficial to and guarantees that battery liquid is sufficient.
In the present invention, described maintenance-free lead accumulator comprises maintenance-free lead accumulator closing cap 62.Described maintenance-free lead accumulator closing cap is closing cap mentioned above, there is gas-liquid conversion chamber, the oxygen that positive and negative pole plate can be generated, hydrogen are combined into water in the useful space of this certain pressure, and reflux cycle uses, thus extend the service life cycle of storage battery.
In order to understand the present invention further, below in conjunction with embodiment, maintenance-free lead accumulator closing cap provided by the invention and maintenance-free lead accumulator are specifically described.
Embodiment 1
As shown in Figure 6, anode plate for lead acid accumulator and negative plate, PE dividing plate are placed in battery cell body 61 and assemble, pour into electrolyte, add maintenance-free lead accumulator closing cap 62, make the maintenance-free lead accumulator that 12V, 100Ah are with gas-liquid conversion chamber pregnant solution type.
Wherein, the lead powder that the lead plaster of positive plate comprises the sulfuric acid of 5wt%, the water of 15wt%, the short fiber of 0.1wt%, the graphite powder of 0.05wt%, the ptfe emulsion of 0.05wt% and surplus is manufactured; The lead alloy manufacturing positive plate comprises the Ag of Bi, 0.02wt% of Al, 0.04wt% of Sn, 0.05wt% of 0.1wt%Ca, 0.15wt% and the Pb of surplus.
The position height 30mm of the aspect ratio pole plate of described electrolyte.
Maintenance-free lead accumulator closing cap 62 comprises: the first cover plate, first tank circuit being provided with fluid apertures A and communicating with fluid apertures A; Second cover plate, is provided with vent plug AA and second tank circuit, and described vent plug is provided with the gap communicated with described second tank circuit, described vent plug matches with fluid apertures A, and described second tank circuit coordinates with first tank circuit and forms path D; Pressure limiting device B, it is arranged on described first tank circuit coordinates the path D formed end with second tank circuit.
In maintenance-free lead accumulator closing cap 62, as shown in Figure 3, vent plug AA comprises the outer core 31, the inner core 32 that set gradually, and sandwich layer in outer core 31 is formed with inner core 32, communicates with fluid apertures A in inner core 32; Outer core 31 is provided with the outer core gap 33 communicated with described second tank circuit, inner core 32 is provided with inner core gap 34, described inner sandwich layer is communicated with fluid apertures A by inner core gap 34.The outer core gap of described vent plug and the width in inner core gap are 2mm, and length is 20mm.
As shown in Figure 2 and Figure 4, first tank circuit comprises 27 grooves communicated, and total length is greater than 400mm, and the width of each groove is 3mm; First tank circuit is symmetrical relative to fluid apertures A, and in described fluid apertures position being, the degree of depth of each groove of described first tank circuit from inside to outside shoals gradually; The degree of depth of each groove from inside to outside reduces gradually in the scope of 15mm ± 5mm.
As shown in Figure 5, pressure limiting device B comprises the cover plate 51 with steam vent 52 and the diaphragm seal 53 be arranged on cover plate 51.The diameter of diaphragm seal 53 is 10mm, and thickness is 5mm; Material is PE; Compressive resistance is 15mm water column, and gas flow is 500mL/min.
According to CNS " lead-acid starter battery part 1: technical conditions and test method " GB/T5008.1-2013, charge test is carried out to described maintenance-free lead accumulator, charging system is complete rechargeable battery, with 14.4V ± 0.05V constant voltage charge 500h.Test result shows, and charge test fluid loss is 0.2g/Ah.
Comparative example 1
Anode plate for lead acid accumulator and negative plate, PE dividing plate are placed in battery cell body and assemble, pour into electrolyte, add the Cell closure lid being provided with traditional through type vent plug, make the maintenance-free lead accumulator that 12V, 100Ah are with through type vent plug pregnant solution type.
Wherein, the lead plaster, the lead alloy that manufacture positive plate are all identical with the lead plaster in embodiment 1, lead alloy.
The position height 30mm of the aspect ratio pole plate of described electrolyte.
Be provided with the Cell closure lid of traditional through type vent plug as shown in Figure 1.
According to the method in embodiment 1, charge test is carried out to described maintenance-free lead accumulator.Test result shows, and charge test fluid loss is 1.03g/Ah.
From above embodiment and comparative example, during the maintenance-free lead accumulator charging that the embodiment of the present invention provides, fluid loss is less.Show to be back to the gas recombination Cheng Shui that the gas-liquid conversion chamber in the present invention makes charge in batteries produce storage battery and to recycle, thus make the fluid loss of storage battery lower, avoid the early time discards loss that storage battery causes because of dehydration.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection range of the claims in the present invention.
Claims (9)
1. a maintenance-free lead accumulator closing cap, comprising:
First cover plate, first tank circuit described first cover plate being provided with fluid apertures and communicating with described fluid apertures;
Second cover plate, described second cover plate is provided with the vent plug matched with described fluid apertures and coordinates with described first tank circuit second tank circuit forming path, described vent plug being provided with the gap communicated with described second tank circuit; Described vent plug comprises the outer core set gradually, inner core, and described outer core and inner core form inner sandwich layer, and described inner in-core communicates with described fluid apertures; Described outer core is provided with the outer core gap communicated with described second tank circuit, described inner core is provided with inner core gap, described inner sandwich layer is communicated with described fluid apertures by inner core gap;
Pressure limiting device, described pressure limiting device is arranged on described first tank circuit coordinates the path formed end with second tank circuit.
2. maintenance-free lead accumulator closing cap according to claim 1, is characterized in that, described first tank circuit comprises more than two grooves communicated, and the total length of described first tank circuit is greater than 400mm.
3. maintenance-free lead accumulator closing cap according to claim 2, is characterized in that, described first tank circuit is symmetrical relative to fluid apertures, and in described fluid apertures position being, the degree of depth of each groove of described first tank circuit from inside to outside shoals gradually.
4. maintenance-free lead accumulator closing cap according to claim 1, is characterized in that, the outer core gap of described vent plug and the width in inner core gap are 2mm ± 0.2mm, and length is 20mm ± 2mm.
5. maintenance-free lead accumulator closing cap according to claim 4, is characterized in that, described pressure limiting device comprises the cover plate with steam vent and the diaphragm seal be arranged on described cover plate.
6. maintenance-free lead accumulator closing cap according to claim 5, is characterized in that, in described pressure limiting device, the compressive resistance of described diaphragm seal is 15mm water column.
7. a maintenance-free lead accumulator, comprising:
Battery cell body, is placed with pole plate, electrolyte and dividing plate in described battery cell body;
Be positioned at the maintenance-free lead accumulator closing cap described in any one of claim 1 ~ 6 on described battery cell body.
8. maintenance-free lead accumulator according to claim 7, is characterized in that, in described battery cell body, and the position height 30mm ± 10mm of pole plate described in the aspect ratio of described electrolyte.
9. maintenance-free lead accumulator according to claim 8, is characterized in that, described dividing plate is PE dividing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334952.2A CN103400947B (en) | 2013-08-02 | 2013-08-02 | Maintenance-free lead accumulator closing cap and maintenance-free lead accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334952.2A CN103400947B (en) | 2013-08-02 | 2013-08-02 | Maintenance-free lead accumulator closing cap and maintenance-free lead accumulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103400947A CN103400947A (en) | 2013-11-20 |
| CN103400947B true CN103400947B (en) | 2016-02-24 |
Family
ID=49564529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310334952.2A Active CN103400947B (en) | 2013-08-02 | 2013-08-02 | Maintenance-free lead accumulator closing cap and maintenance-free lead accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103400947B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117175083A (en) | 2016-07-22 | 2023-12-05 | 南特能源公司 | Demisting system for electrochemical cells |
| JP2019521497A (en) | 2016-07-22 | 2019-07-25 | ナントエナジー，インク． | Water and carbon dioxide management system in the electrochemical cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2613057Y (en) * | 2003-04-18 | 2004-04-21 | 保定金风帆蓄电池有限公司 | Leakage-proof maintenance-free storage battery |
| CN202308092U (en) * | 2011-10-21 | 2012-07-04 | 浙江杰斯特电器有限公司 | Storage battery cover |
| CN202930437U (en) * | 2012-11-11 | 2013-05-08 | 骆驼集团华南蓄电池有限公司 | Storage battery |
| CN203445164U (en) * | 2013-08-02 | 2014-02-19 | 山东瑞宇蓄电池有限公司 | Sealing cover of maintenance-free lead-acid battery and maintenance-free lead-acid battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20110479A1 (en) * | 2011-03-25 | 2012-09-26 | Accuma Spa | COVER FOR ELECTROLYTIC BATTERIES. |
-
2013
- 2013-08-02 CN CN201310334952.2A patent/CN103400947B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2613057Y (en) * | 2003-04-18 | 2004-04-21 | 保定金风帆蓄电池有限公司 | Leakage-proof maintenance-free storage battery |
| CN202308092U (en) * | 2011-10-21 | 2012-07-04 | 浙江杰斯特电器有限公司 | Storage battery cover |
| CN202930437U (en) * | 2012-11-11 | 2013-05-08 | 骆驼集团华南蓄电池有限公司 | Storage battery |
| CN203445164U (en) * | 2013-08-02 | 2014-02-19 | 山东瑞宇蓄电池有限公司 | Sealing cover of maintenance-free lead-acid battery and maintenance-free lead-acid battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103400947A (en) | 2013-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100399620C (en) | Valve control type lead acid accumulator for metro vehicle | |
| CN207587857U (en) | A kind of zinc-nickel single flow battery | |
| CN103208633A (en) | Horizon battery and manufacturing method thereof | |
| CN102637895A (en) | Flexible-package lithium ion battery and method for improving electric capacity of battery | |
| CN103400947B (en) | Maintenance-free lead accumulator closing cap and maintenance-free lead accumulator | |
| CN203445164U (en) | Sealing cover of maintenance-free lead-acid battery and maintenance-free lead-acid battery | |
| CN205863265U (en) | A kind of lead-acid accumulator | |
| CN205355126U (en) | Novel sealed lead acid battery's of valve accuse diaphragm structure | |
| CN201616460U (en) | Storage battery container | |
| CN201229966Y (en) | Accumulator | |
| CN209150256U (en) | A kind of incorgruous water conservancy diversion battery of high power | |
| CN102324556A (en) | Secondary lithium ion battery and electric capacity improving method thereof | |
| CN202094241U (en) | High type large-volume battery for rapid trains | |
| CN201289884Y (en) | Acid mist filtering acid receiver for charging 6-DGA-120 accumulator | |
| CN205355142U (en) | Novel lithium cell pole piece | |
| CN205406632U (en) | Power type lead acid battery grid | |
| CN110783641A (en) | Less-maintenance valve-controlled alkaline secondary battery | |
| CN205319232U (en) | Start plumbous calcium polar plate of lead acid battery | |
| CN201038251Y (en) | Symmetrical plumbic acid accumulator | |
| CN205319233U (en) | Plumbous calcium polar plate of lead acid battery for power | |
| CN208955026U (en) | A kind of high-performance lead-acid accumulator easy to carry | |
| CN103840218A (en) | Light environmentally-friendly lead acid storage battery | |
| CN209691871U (en) | A kind of cylindrical lithium battery that power reservoir capacity is strong | |
| CN109599599A (en) | A kind of incorgruous water conservancy diversion battery of high power and its application method | |
| CN202977546U (en) | 12V 22Ah lead-acid storage battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Hengxiang Inventor before: Liu Peng Inventor before: Zhao Hengxiang Inventor before: Liu Yi Inventor before: Zhao Dezhong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU PENG ZHAO HENGXIANG LIU YI ZHAO DEZHONG TO: ZHAO HENGXIANG |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191029 Address after: 314000 No.7, pailouxia, Lishun village, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Jiaxing worui Technology Co.,Ltd. Address before: 277500, No. 16, South Ring Road, Tengzhou, Shandong, Zaozhuang Patentee before: SHANDONG RUIYU BATTERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201105 Address after: 224300 No. 100, Beihuan West Road, Hede Town, Sheyang County, Yancheng City, Jiangsu Province Patentee after: Yancheng Silk Road Information Technology Service Co.,Ltd. Address before: 314000 No.7, pailouxia, Lishun village, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: Jiaxing worui Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20131120 Assignee: Yancheng Nuohao Xinxiang Technology Co.,Ltd. Assignor: Yancheng Silk Road Information Technology Service Co.,Ltd. Contract record no.: X2023980043986 Denomination of invention: Maintenance free lead-acid battery closure cover and maintenance free lead-acid battery Granted publication date: 20160224 License type: Common License Record date: 20231024 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20131120 Assignee: Jiangsu Jiezhimeng New Energy Technology Co.,Ltd.|Yancheng Yuanshun Environmental Protection Technology Co.,Ltd.|Jiangsu Xingneng Environmental Protection Technology Co.,Ltd.|Tianneng carbon (Jiangsu) Co.,Ltd. Assignor: Yancheng Silk Road Information Technology Service Co.,Ltd. Contract record no.: X2023980047304 Denomination of invention: Maintenance free lead-acid battery cover and maintenance free lead-acid battery Granted publication date: 20160224 License type: Common License Record date: 20231118 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Yancheng Nuohao Xinxiang Technology Co.,Ltd. Assignor: Yancheng Silk Road Information Technology Service Co.,Ltd. Contract record no.: X2023980043986 Date of cancellation: 20240425 Assignee: Jiangsu Jiezhimeng New Energy Technology Co.,Ltd.|Yancheng Yuanshun Environmental Protection Technology Co.,Ltd.|Jiangsu Xingneng Environmental Protection Technology Co.,Ltd.|Tianneng carbon (Jiangsu) Co.,Ltd. Assignor: Yancheng Silk Road Information Technology Service Co.,Ltd. Contract record no.: X2023980047304 Date of cancellation: 20240425 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20241011 Address after: 224300 Seventh Floor, Administrative Center, Sheyang County, Yancheng City, Jiangsu Province Patentee after: Sheyang Productivity Promotion Center Country or region after: China Address before: No. 100, Beihuan West Road, Hede Town, Sheyang County, Yancheng City, Jiangsu Province Patentee before: Yancheng Silk Road Information Technology Service Co.,Ltd. Country or region before: China |