CN202977567U - Safety catalytic valve for lead-acid storage battery - Google Patents
Safety catalytic valve for lead-acid storage battery Download PDFInfo
- Publication number
- CN202977567U CN202977567U CN2012204450193U CN201220445019U CN202977567U CN 202977567 U CN202977567 U CN 202977567U CN 2012204450193 U CN2012204450193 U CN 2012204450193U CN 201220445019 U CN201220445019 U CN 201220445019U CN 202977567 U CN202977567 U CN 202977567U
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- CN
- China
- Prior art keywords
- catalyst
- burst disk
- valve body
- lead acid
- acid accumulator
- 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.)
- Expired - Lifetime
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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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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model provides a safety catalytic valve for a lead-acid storage battery. The safety catalytic valve comprises a valve body, wherein the upper part of the valve body is hollow and is internally provided with an atmospheric pressure safety device of the lead-acid storage battery, a catalyst mounting base is arranged at the lower part of the valve body, and a vent hole communicated with the atmospheric pressure safety device is formed between the mounting base and the atmospheric pressure safety device; the mounting base is internally provided with a catalyst mounting hole in which a catalyst is arranged, and a filter layer is arranged at the outer side of the catalyst; and the catalyst is used for catalyzing hydrogen-oxygen to react to produce water. According to the safety catalytic valve, the catalyst is arranged in the lead-acid storage battery by adopting an extremely reasonable manner and an extremely reasonable structure, the structure characteristics of the valve are organically combined together with the structure of the atmospheric pressure safety device and the arrangement structure of the catalyst, the assembling and the mounting are convenient, the internal structure of the storage battery can not be influenced, the catalyst is long in service life and high in usage efficiency, and the water loss and the floating current of the battery can be accordingly reduced.
Description
Technical field
The utility model relates to the valve that is used on analysing valve control type lead-acid accumulator battery.
Background technology
The applied lead acid accumulator purposes of the utility model generally has reserve type, accumulation energy type, high temperature modification, power type, actuated type etc.
Wherein reserve type, accumulation energy type and high temperature modification battery are the floating charge service condition, occur easily during battery float that electric current is excessive, internal temperature is crossed high defective.These defectives directly cause the battery thermal runaway and end-of-life.
Power type, actuated type battery have more water to be produced hydrogen and oxygen and discharge battery by electrolysis for recycling condition in the battery use procedure, battery is often because end-of-life too much appears in dehydration.After in environment for use, density of hydrogen reaches certain value, easy blast causes accident; Must add water for increasing battery life.If the lead acid accumulator of non-maintaining type need to often be added water, that has just lost maintenance free cell design original intention.
use catalyst to increase battery life, the principle that improves battery performance is: a part of oxygen that anode produces before arriving at negative pole with the filling battery in the unnecessary hydrogen of the gas compartment directly by catalyst chemical combination, its result has reduced the oxygen cycle efficient of inside battery, thereby make the increase that the anode polarization reduces and negative pole polarizes, reduce the corrosion of legal grid, the oxygen that loses during inner loop can not lose from battery, these oxygen can directly be combined to water again by catalyst, and be retained in inside battery, Catalytic Oxygen chemical combination technology makes battery avoid dehydration and floating current is reduced.
Yet how catalyst is set in lead acid accumulator suitably is insoluble problem always.
Summary of the invention
Technical problem to be solved in the utility model is to provide the safe catalysis valve that a kind of lead acid accumulator is used, and thinks that the setting of catalyst in lead acid accumulator provides a kind of good and mode easily.For this reason, the utility model is by the following technical solutions: it comprises valve body, the upper part hollow of described valve body, the air pressure safety device of lead acid accumulator is installed in part on described, the mount pad that catalyst is set is divided in the bottom of described valve body, and the air-vent that is communicated with the air pressure safety device is set between mount pad and air pressure safety device; Be provided with the installing hole of catalyst in described mount pad, catalyst is set in installing hole, the arranged outside filter course of catalyst; Described catalyst is the catalyst that hydrogen catalyzed oxygen reaction is produced water.
On the basis of adopting technique scheme, the utility model also can adopt following further technical scheme:
Described air pressure safety device includes burst disk and lower burst disk, has airway in valve body between upper burst disk and lower burst disk.
The aperture minimum of described burst disk is 20 μ m, and the maximum diameter of hole is 50 μ m, and porosity is 50%-80%.
The installation passage that on described valve body, the upper end of part has upper burst disk, described valve body is provided with the mounting groove of upward opening in the bottom of the installation passage of upper burst disk, described air pressure erecting device is provided with the burst disk bracing frame, upper burst disk bracing frame is arranged on mounting groove, upper burst disk is placed on the burst disk bracing frame, is stamped the exhaust gas inside lid on upper burst disk, and exhaust gas inside covers also has upper exhaust cap, the top of described safe catalysis valve is provided with modifies lid, and described modification lid is connected with valve body.
The upper part of described valve body and lower part are threaded, and described air vent hole is on lower part, and described installing hole aperture is downward.
The lower end of the upper part of described valve body has the installation passage of lower burst disk and the positioning step with lower burst disk, and described positioning step faces down.
The material of described lower part is polyphenylene oxide PPE or polyphenylene thioether PPS, and the installation hole wall at place, described installation aperture curves inwardly described filter course is fixed on and installs in the aperture.
The material of described burst disk is polytetrafluoroethylene PTFE, polypropylene PP or polythene PE.
Contact-making surface between different parts in valve body has silicon layer, silicone grease layer or petrolatum layer.
Catalyst carrier is active carbon, alundum (Al2O3), foamy carbon, graphite felt or porous ceramic, and specific area is 700m
2/ g---1100m
2/ g, particle diameter are 0.2mm-2mm; Catalyst is Metal Palladium, and content is between the 0.1%-10% of vehicle weight, and catalyst content adopts gradient to distribute, and more by the inside of installing hole, content is larger;
Filter course is divided into inside and outside two parts, and inner filtration layer is the active carbon that contains the metal alkaline material, and the outer filter layer is the porous material of high temperature resistant type, and the aperture is controlled at 1 μ m--50 μ m.
owing to adopting the technical solution of the utility model, the utility model has adopted extremely, and reasonable manner and structure arrange catalyst in lead acid accumulator, the design feature of valve and the structure of air pressure safety device and the structure that arranges of catalyst are organically merged, its assembling and easy for installation, do not affect the internal structure of storage battery, and the long service life of catalyst, service efficiency is high, the oxygen that loses when making the lead acid accumulator inner loop can not lose from storage battery, these oxygen can be fully and are easily touched catalyst, with the hydrogen-gasified synthetic water, and be retained in inside battery, make the corresponding reduction of battery dehydration and floating current.
Description of drawings
Fig. 1 is the cutaway view of embodiment provided by the utility model.
Fig. 2 is for using lead acid accumulator of the present utility model and the floating current comparison diagram that does not possess the lead acid accumulator of catalyst.Top line wherein shows the floating current of the lead acid accumulator that does not possess catalyst, the floating current of bottom line display application lead acid accumulator of the present utility model.
Fig. 3 is for using lead acid accumulator of the present utility model and the dehydration comparison diagram that does not possess the lead acid accumulator of catalyst.Top line wherein shows the dehydration of the lead acid accumulator that does not possess catalyst, the dehydration of bottom line display application lead acid accumulator of the present utility model.
Embodiment
With reference to accompanying drawing 1.The utility model comprises valve body 1, upper part 11 hollows of described valve body, and the air pressure safety device of installation lead acid accumulator in part, can in time discharge with the gas in timely storage battery when the pressure in storage battery surpasses safety value on described.The lower part 12 of described valve body 1 arranges the mount pad 2 of catalyst, and the air vent hole 13 that is communicated with the air pressure safety device is set between mount pad 2 and air pressure safety device; Be provided with the installing hole 20 of catalyst in described mount pad 2, the catalyst that hydrogen catalyzed oxygen reaction is produced water is arranged in installing hole 20, the arranged outside filter course of catalyst; Valve body is arranged on battery cap.
When the internal storage battery gas atmosphere during less than safety value, internal storage battery gas can generate water by catalyst reaction and return in battery electrolyte, when internal storage battery air pressure surpasses safety value, the air pressure safety device can be opened automatically, and internal storage battery gas can be discharged storage battery through the air pressure safety device by air-vent 13.Be under normal pressure or in the pressure rise process at storage battery, catalyst is in the below of air pressure safety device, maximal efficiency contacts with hydrogen with oxygen and fully plays the catalytic reaction effect with probability ground " richly endowed by nature ", make oxygen and the hydrogen of internal storage battery fully to react, reduce outside vent flow, make battery dehydration and floating current reduce most possibly.
Described air pressure safety device includes burst disk 31 and lower burst disk 32, has airway 14 in valve body 1 between upper burst disk 31 and lower burst disk 32.
The aperture minimum of described burst disk is 20 μ m, and the maximum diameter of hole is 50 μ m, and porosity is 50%-80%; Material is polytetrafluoroethylene PTFE, polypropylene PP or polythene PE etc.
Air pressure safety device ventilation flow rate is controlled at 300-600ml/min.This burst disk design of the present utility model is discharged storage battery by the air pressure safety device except can effectively preventing interior liquid sulfuric acid and acid mist, can also stop hydrogen externally to produce naked light and naked light spreads to internal storage battery by burst disk.The air pressure safety device has suitable ventilation flow rate can be reduced rapidly internal pressure and don't can reduce explosion-proof performance.The valve of opening of air pressure safety device closes valve pressure (safety value) and can be controlled in 20KPa-30KPa; Contact-making surface between different parts in the air pressure safety device and the contact-making surface of described parts and valve body have silicon layer, silicone grease layer or petrolatum layer, can give the sealing property of air pressure safety device excellence, prevent that extraneous gas from entering internal storage battery.
the installation passage 15 that on described valve body of the present utility model, the upper end of part has upper burst disk 31, described valve body is provided with the mounting groove 16 of upward opening in the bottom of the installation passage 15 of upper burst disk 31, described air pressure erecting device is provided with burst disk bracing frame 33, upper burst disk bracing frame 33 is arranged on mounting groove 16, upper burst disk 31 is placed on burst disk bracing frame 33, be stamped exhaust gas inside lid 34 on upper burst disk, also has upper exhaust cap 35 on exhaust gas inside lid 34, the top of the safe catalysis valve of the utility model is provided with to modify covers 36, described modification lid 36 is connected with valve body.The effect of described exhaust gas inside lid 34 is that burst disk 31 is fixed in valve body 11, and the effect of described upper exhaust cap 35 is internal gas to be derived valve body and prevent from modifying lid and external dust obstruction gas passage.
In the present embodiment, the upper part 11 of described valve body and lower part 12 are threaded, and with the installation of convenient lower burst disk, and make its and upper burst disk can be in best position to coordinate, and described air vent hole 13 is on lower part, and described installing hole 20 apertures are downward.
The positioning step 18 that the lower end of the upper part 11 of described valve body has the installation passage 17 of lower burst disk 32 and has lower burst disk, described positioning step 18 faces down.
The material of described lower part is the high temperature resistant type fire proofings such as polyphenylene oxide PPE or polyphenylene thioether PPS, effectively prevent from producing in catalytic process the heat melts valve body, the installation hole wall that makes place, described installation aperture of can being heated during fabrication again simultaneously curves inwardly described filter course is fixed on and installs in the aperture, with convenient for assembly, guarantee simultaneously filter course and the sealing that hole wall is installed.Catalyst carrier is the materials such as active carbon, alundum (Al2O3), foamy carbon, graphite felt and porous ceramic, and specific area is 700m
2/ g---1100m
2/ g, particle diameter are 0.2mm-2mm, and these carriers have specific area and good permeability preferably.Catalyst is Metal Palladium, and content is between the 0.1%-10% of vehicle weight, and catalyst content adopts gradient to distribute, more lean on the inside of installing hole, content is larger, makes hydrogen and oxygen compound on all carriers equably, prevents that effectively the local reaction excessive velocities from producing a large amount of heats of crossing and burning valve body.As shown in the figure, in the present embodiment, catalyst carrier is divided into three layer 41,42,43 from the outside to the inboard in hole, and the catalyst content in layer 41,42,43 increases progressively successively.
In the utility model, filter course is divided into inside and outside two parts 51,52, and inner filtration layer 52 is for to contain the active carbon of metal alkaline material, as contains copper, iron, nickel, potassium etc., can effectively adsorb or in and hydrogen sulfide, prevent catalyst poisoning, extending catalyst useful life etc.Outside filter course is the porous material of high temperature resistant type, as hydrophobic materials such as foamy carbon, polytetrafluoroethylene PTFE, graphite, the aperture is controlled at 1 μ m--50 μ m, prevents that effectively acid mist from entering catalyst inside, prevent the exchange of internal-external liquid lock gas, preventing that hydrogen and oxygen from producing naked light and controlling the gas exchange velocity.
With reference to Fig. 2,3, after being applied in the utility model on lead acid accumulator, can see from lead acid accumulator high-temperature test data, lead acid accumulator floating current decline 30%-50%, the lead acid accumulator fluid loss reduces 50%-70%, and the utility model has a significant effect to preventing lead acid accumulator thermal runaway, dehydration etc.
Claims (10)
1. safe catalysis valve that lead acid accumulator is used, it is characterized in that it comprises valve body, the upper part hollow of described valve body, the air pressure safety device of lead acid accumulator is installed in part on described, the mount pad that catalyst is set is divided in the bottom of described valve body, and the air-vent that is communicated with the air pressure safety device is set between mount pad and air pressure safety device; Be provided with the installing hole of catalyst in described mount pad, catalyst is set in installing hole, the arranged outside filter course of catalyst; Described catalyst is the catalyst that hydrogen catalyzed oxygen reaction is produced water.
2. the safe catalysis valve used of a kind of lead acid accumulator as claimed in claim 1, is characterized in that described air pressure safety device includes burst disk and lower burst disk, has airway in valve body between upper burst disk and lower burst disk.
3. the safe catalysis valve used of a kind of lead acid accumulator as claimed in claim 2, the aperture minimum that it is characterized in that described burst disk is 20 μ m, and the maximum diameter of hole is 50 μ m, and porosity is 50%-80%.
4. the safe catalysis valve used of a kind of lead acid accumulator as claimed in claim 2, it is characterized in that on described valve body the installation passage that the upper end of part has upper burst disk, described valve body is provided with the mounting groove of upward opening in the bottom of the installation passage of upper burst disk, described air pressure erecting device is provided with the burst disk bracing frame, upper burst disk bracing frame is arranged on mounting groove, upper burst disk is placed on the burst disk bracing frame, be stamped the exhaust gas inside lid on upper burst disk, exhaust gas inside covers also has upper exhaust cap, the top of described safe catalysis valve is provided with modifies lid, described modification lid is connected with valve body.
5. the safe catalysis valve used of a kind of lead acid accumulator as claimed in claim 1 or 2, is characterized in that the upper part of described valve body and lower part are threaded, and described air vent hole is on lower part, and described installing hole aperture is downward.
6. the safe catalysis valve used of a kind of lead acid accumulator as claimed in claim 5, is characterized in that the lower end of the upper part of described valve body has the installation passage of lower burst disk and the positioning step with lower burst disk, and described positioning step faces down.
7. the safe catalysis valve used of a kind of lead acid accumulator as claimed in claim 5, the material that it is characterized in that described lower part is polyphenylene oxide PPE or polyphenylene thioether PPS, and the installation hole wall at place, described installation aperture curves inwardly described filter course is fixed on and installs in the aperture.
8. the safe catalysis valve used of a kind of lead acid accumulator as claimed in claim 1, the material that it is characterized in that described burst disk is polytetrafluoroethylene PTFE, polypropylene PP or polythene PE.
9. the safe catalysis valve used of a kind of lead acid accumulator as claimed in claim 1, is characterized in that the contact-making surface between the different parts in valve body has silicon layer, silicone grease layer or petrolatum layer.
10. the safe catalysis valve used of a kind of lead acid accumulator as claimed in claim 1, is characterized in that catalyst carrier is active carbon, alundum (Al2O3), foamy carbon, graphite felt or porous ceramic, and specific area is 700m
2/ g---1100m
2/ g, particle diameter are 0.2mm-2mm;
Filter course is divided into inside and outside two parts, and inner filtration layer is active carbon layer, and outside filter course is the porous material of high temperature resistant type, and the aperture is controlled at 1 μ m--50 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204450193U CN202977567U (en) | 2012-09-03 | 2012-09-03 | Safety catalytic valve for lead-acid storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204450193U CN202977567U (en) | 2012-09-03 | 2012-09-03 | Safety catalytic valve for lead-acid storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202977567U true CN202977567U (en) | 2013-06-05 |
Family
ID=48518605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204450193U Expired - Lifetime CN202977567U (en) | 2012-09-03 | 2012-09-03 | Safety catalytic valve for lead-acid storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202977567U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800831A (en) * | 2012-09-03 | 2012-11-28 | 浙江南都电源动力股份有限公司 | Safety catalyzing valve for lead-acid storage battery |
| CN111448850A (en) * | 2017-12-11 | 2020-07-24 | 日东电工株式会社 | Internal pressure adjusting member and electric component for transportation equipment |
| WO2024165936A1 (en) | 2023-02-10 | 2024-08-15 | W. L. Gore & Associates G.K. | Catalyst device for lead-acid battery, and lead-acid battery |
-
2012
- 2012-09-03 CN CN2012204450193U patent/CN202977567U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800831A (en) * | 2012-09-03 | 2012-11-28 | 浙江南都电源动力股份有限公司 | Safety catalyzing valve for lead-acid storage battery |
| CN102800831B (en) * | 2012-09-03 | 2015-04-01 | 浙江南都电源动力股份有限公司 | Safety catalyzing valve for lead-acid storage battery |
| CN111448850A (en) * | 2017-12-11 | 2020-07-24 | 日东电工株式会社 | Internal pressure adjusting member and electric component for transportation equipment |
| CN111448850B (en) * | 2017-12-11 | 2022-03-11 | 日东电工株式会社 | Internal pressure adjusting member and electric component for transportation equipment |
| WO2024165936A1 (en) | 2023-02-10 | 2024-08-15 | W. L. Gore & Associates G.K. | Catalyst device for lead-acid battery, and lead-acid battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
|
| CX01 | Expiry of patent term |