CN204885280U - Lead acid battery with automatic water supply function - Google Patents
Lead acid battery with automatic water supply function Download PDFInfo
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- CN204885280U CN204885280U CN201520609591.2U CN201520609591U CN204885280U CN 204885280 U CN204885280 U CN 204885280U CN 201520609591 U CN201520609591 U CN 201520609591U CN 204885280 U CN204885280 U CN 204885280U
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a lead acid battery with automatic water supply function, including battery case, utmost point crowd, lead acid battery is provided with the moisturizing storehouse that the relief valve installing port that can follow on the battery case was filled in, the moisturizing storehouse includes the package that porous acidproof flexible material constitutes, establish in the package after absorbing water the resin just the resin is the gel after absorbing water, the resin is the resin of bleed under acidic condition. The utility model discloses can in time supply the desiccation of battery in right amount, can prevent still that metal element from being corroded and environmental pollution. The utility model discloses can be applied to lead acid battery widely, especially the application plumbous charcoal battery of serious high temperature battery and negative pole interpolation carbon for the floating charge of desiccating.
Description
technical field:
The utility model relates to lead acid accumulator.
background technology:
Lead acid accumulator can be widely used in the fields such as traffic power, power communication, mine lighting, energy storage.
In charge and discharge process or put procedure, can there is the side reaction such as water electrolysis, self discharge in lead acid accumulator, battery cell body itself also has water penetration, and these reasons all easily cause battery dehydration.When dehydration to a certain extent, concentration of electrolyte height aggravation grid corrosion on the one hand will be caused, when on the other hand dividing plate and pole plate attach bad electric discharge, electrolyte supply causes a series of adverse consequencess such as battery capacity reduction not in time, final because of electrolyte dry-out battery failure, when general percentage of water loss is more than 10%, the corresponding decline 20% of battery capacity, battery failure.Especially for communication high-temperature floating-charge battery, its ambient temperature is high, and the heat produced in charging process accelerates the loss of water.Negative pole introduces the lead carbon battery of material with carbon element, due to adding of material with carbon element, causes battery overpotential of hydrogen evolution to reduce, and electrolysis barrier reduces, the easier dehydration of battery.Some battery, because charge mode is as fast charge mode, also easily causes and lost efficacy because of water loss.Therefore battery water supply method is designed to reducing or avoiding the battery failure that causes because of battery dehydration significant.And in use, the hydrogen or oxygen gas that acid solution evaporation or hydrolysis produce takes away acid solution to lead acid accumulator, all inevitably produce acid mist, and acid mist will cause equipment corrosion and environmental pollution.
Summary of the invention
The utility model problem first to be solved is to provide a kind of lead acid accumulator with automatic water supplement function, can supplement the dehydration of storage battery in time in appropriate amount.For this reason, the utility model is by the following technical solutions:
One has automatic water supplement function lead acid accumulator, comprise battery container, pole group, it is characterized in that described lead acid accumulator is provided with the moisturizing storehouse can filled in from the safety valve installing port battery container, described moisturizing storehouse comprises the bag that porous acid resistant flexible material is formed, establish the resin after water suction in described bag and described resin after absorbing water in gel, described resin is the resin of bleed in acid condition.
Moisturizing operation principle of the present utility model: water-absorbing resin of the present utility model water absorbent rate in pure water is the hundreds of extremely several thousand times of deadweight, and after water suction, water-absorbing resin becomes gel, and its tool rate of water absorption is fast, the feature that water holding capacity is strong.But under acid-alkali salt condition, the water absorbent rate of super-strong moisture absorbing resin can reduce, the cross-linked network density of gel reduces the water that inspiration is gone and can discharge, using this by the moisturizing source of water-absorbing resin as battery, can discharge the water of absorption under lead acid accumulator acidic electrolysis bath condition, and rate of release is realized by the porosity of the coated porous acid resistant flexible material in outside and aperture.Porous acid resistant flexible material has alternative, the acid mist of internal storage battery can be made to enter moisturizing storehouse and controllable-rate on the one hand, the water of release in moisturizing storehouse can be made to enter electrolyte simultaneously, the moisturizing source in moisturizing storehouse is stoped again uncontrolledly to be entered battery by milli on the other hand, prevent the moment disintegration of moisturizing storehouse, the moisturizing term of validity is shortened, and porous acid resistant flexible material has acid resistance and hydrophobicity, can prevent from degrading in acidic electrolysis bath and the water of precipitation being entered in battery electrolyte in time.
Moisturizing storehouse is wherein prepared scheme and is absorbed after certain water yield as moisturizing source for adopting one or more super-strong moisture absorbing resins such as polyacrylamide, polyacrylate, starch based and cellulose family etc., gel is formed after water suction, for making gel, there is certain elasticity and mechanical strength, water absorbent rate is designed to 100 ~ 1000, and concrete water absorption determines according to the electrolyte volume in cell negative terminal.Porous acid resistant flexible material is coated on outside, moisturizing source thus forms moisturizing storehouse, its porous material can be the hydrophobic materials such as PTFE, PP, PE, its porosity and aperture determine acid mist transmission rates, and also just determine the speed of moisturizing storehouse release water, it mates with battery life.
Adopt the technical solution of the utility model, because moisturizing storehouse effectively can absorb acid mist, therefore, hardware also can be prevented to be corroded and environmental pollution.
Adopt the technical solution of the utility model, even if after the water release of water-absorbing resin, whole moisturizing storehouse also can be put on cluster in flat-shaped taking, and can not cause the impact on internal storage battery structure.
The technical solution of the utility model can be widely used in lead acid accumulator, and the high-temperature floating-charge battery especially using dehydration serious and negative pole add the lead carbon battery of carbon.
Accompanying drawing explanation
Fig. 1 is the partial schematic diagram of embodiment provided by the utility model.
Fig. 1 a is the schematic shapes of embodiment provided by the utility model when putting into safety valve installing port.
Fig. 1 b is the cutaway view in moisturizing storehouse in embodiment provided by the utility model.
Fig. 2 is the comparison diagram of moisturizing storehouse on the impact of battery percentage of water loss.
Fig. 3 is the comparison diagram of moisturizing storehouse on the impact of battery discharge time.
embodiment:
With reference to Fig. 1,1a, 1b.Provided by the utility model have automatic water supplement function lead acid accumulator, comprise battery container 1, pole group 2, bus-bar 3, described lead acid accumulator is provided with the moisturizing storehouse 5 can filled in from the safety valve installing port 4 battery container, described moisturizing storehouse 5 comprises the bag 6 that porous acid resistant flexible material is formed, the resin 7 after water suction is established in described bag 6, and described resin 7 is after absorbing water in gel, described resin 7 is the resin of bleed under the acid mist environment above battery electrode group.
The local in described moisturizing storehouse 5 can be deformed into the bar shaped by safety valve installing port.
Adopt Sodium Polyacrylate super-strong moisture absorbing resin for described resin 7, for making moisturizing source gel have certain antidetonation elasticity and mechanical strength, water absorbent rate is designed to 200 ~ 500.And when generally battery fluid loss reaches battery nominal electrolyte volume 10%, decline 20% was lost efficacy by battery capacity, and therefore moisturizing source weight configuration is 10% ~ 25% of nominal electrolyte volume in cell negative terminal.
The porous acid resistant flexible material in coated moisturizing source, optional PTFE material, 8 ~ 100 microns, its aperture, porosity 40 ~ 85%, thickness is 0.1 ~ 2mm.According to life-span battery shelf-life, when being more than 5 years, porous material thickness at 1.5 ~ 2mm, porosity 40 ~ 60%, 8 ~ 50 microns, aperture, when less than 2 years, thickness at 0.1 ~ 1mm, porosity 70 ~ 85%, 50 ~ 100 microns, aperture.
Porous material adopts heat sealing behind coated good moisturizing source, prepared by moisturizing storehouse.
By the lead acid accumulator of existing explained hereafter, after rolling off the production line, first to check above battery electrode group with or without floating acid, have during floating acid and first pump floating acid, prevent moisturizing storehouse from meeting acid moment disintegration.Here the high-temperature floating-charge battery that special selection work bad environments dehydration is serious and because the serious plumbous carbon battery of liberation of hydrogen dehydration is as Initial Experimental Stage object.
After floating acid pumps, from safety valve valve port, moisturizing storehouse is filled in the housing of lead acid accumulator, last mounting safety valve.
High-temperature floating-charge battery due to the water of slow releasing in moisturizing storehouse, slow down battery rate-of-loss of coolant, reduces floating current after installing moisturizing storehouse.Cell durability is made to obtain raising to a certain extent.Fig. 2 is the application of moisturizing storehouse on high-temperature floating-charge battery, and adopt 55 DEG C, 2.25V circulation floating charge, from percentage of water loss, moisturizing storehouse obviously slow down rate-of-loss of coolant.Fig. 3 is the application of moisturizing storehouse on plumbous carbon battery, is on active service after 1 year, and from discharge curve, the battery discharge curve platform behind application moisturizing storehouse is longer, and namely cell durability improves.
Claims (2)
1. one kind has the lead acid accumulator of automatic water supplement function, comprise battery container, pole group, it is characterized in that described lead acid accumulator is provided with the moisturizing storehouse can filled in from the safety valve installing port battery container, described moisturizing storehouse comprises the bag that porous acid resistant flexible material is formed, establish the resin after water suction in described bag and described resin after absorbing water in gel, described resin is the resin of bleed in acid condition.
2. a kind of lead acid accumulator with automatic water supplement function as claimed in claim 1, is characterized in that the local in described moisturizing storehouse can be deformed into the bar shaped by safety valve installing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520609591.2U CN204885280U (en) | 2015-08-13 | 2015-08-13 | Lead acid battery with automatic water supply function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520609591.2U CN204885280U (en) | 2015-08-13 | 2015-08-13 | Lead acid battery with automatic water supply function |
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| Publication Number | Publication Date |
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| CN204885280U true CN204885280U (en) | 2015-12-16 |
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| CN201520609591.2U Active CN204885280U (en) | 2015-08-13 | 2015-08-13 | Lead acid battery with automatic water supply function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185948A (en) * | 2015-08-13 | 2015-12-23 | 浙江南都电源动力股份有限公司 | Lead-acid storage battery with automatic water supplement function and method for installing lead-acid storage battery supplement reservoir |
| CN112886090A (en) * | 2021-01-12 | 2021-06-01 | 浙江南都电源动力股份有限公司 | Double-layer aluminum shell |
-
2015
- 2015-08-13 CN CN201520609591.2U patent/CN204885280U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185948A (en) * | 2015-08-13 | 2015-12-23 | 浙江南都电源动力股份有限公司 | Lead-acid storage battery with automatic water supplement function and method for installing lead-acid storage battery supplement reservoir |
| CN105185948B (en) * | 2015-08-13 | 2017-09-29 | 浙江南都电源动力股份有限公司 | A kind of method that there is the lead-acid accumulator of automatic water supplement function and lead-acid accumulator moisturizing storehouse is installed |
| CN112886090A (en) * | 2021-01-12 | 2021-06-01 | 浙江南都电源动力股份有限公司 | Double-layer aluminum shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220207 Address after: 236500 Tianying Industrial Park, Jieshou City, Fuyang, Anhui Patentee after: JIESHOU NANDU HUAYU POWER SOURCE Co.,Ltd. Address before: No.72, landscape Avenue, Qingshanhu street, Lin'an City, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG NARADA POWER SOURCE Co.,Ltd. Patentee before: HANGZHOU NANDU POWER TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 6, Huaxin Avenue, Tianying Science Park, High-tech Zone, Jieshou City, Fuyang City, Anhui Province, 236000 Patentee after: Huayu New Energy Technology Co.,Ltd. Address before: 236500 Tianying Industrial Park, Jieshou City, Fuyang, Anhui Patentee before: JIESHOU NANDU HUAYU POWER SOURCE Co.,Ltd. |
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| CP03 | Change of name, title or address |