CN101640257B - Upper cover structure of lead acid battery - Google Patents
Upper cover structure of lead acid battery Download PDFInfo
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- CN101640257B CN101640257B CN2009100420524A CN200910042052A CN101640257B CN 101640257 B CN101640257 B CN 101640257B CN 2009100420524 A CN2009100420524 A CN 2009100420524A CN 200910042052 A CN200910042052 A CN 200910042052A CN 101640257 B CN101640257 B CN 101640257B
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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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Abstract
The invention discloses an upper cover structure of a lead acid battery. The upper cover structure comprises a cover body and a cover plate, and the cover body is provided with a plurality of filling openings which are corresponding to various chambers leading to a storage battery box body; and the filling openings are respectively provided with a cover cap in a covering manner, a movable cover of the cover plate is arranged on each filling opening, the cover cap is provided with an air vent, and a closed structure which can automatically open a valve according to preset pressure is respectively arranged between the filling openings and the corresponding chambers of the storage battery box body. Compared with the prior art, the upper cover structure of the lead acid battery has beneficial effects of being capable of limiting loss of sulfuric acid and water in formation and use, thus prolonging service life of the storage battery and avoiding environmental pollution; and the upper cover can be directly arranged on the box body in a capping manner and then formation is carried out, thus simplifying production procedures and then lowering production cost.
Description
Technical field
The present invention relates to a kind of lead acid accumulator, specifically is the superstructure of lead acid accumulator.
Background technology
Lead acid accumulator is widely used in daily life and industrial every field, as automobile, steamer, aircraft, illumination etc.Known lead acid accumulator generally comprises casing, loam cake, plural groups grid, binding post and sulfuric acid, described casing is a hollow structure, each grid is located in the casing respectively, in casing, form a plurality of chambers, thereby loam cake is closed together in and makes each chamber separate on the casing, sulfuric acid fills in each chamber, two binding posts be located at casing or on cover, each grid is electrically connected with binding post behind the serial or parallel connection successively again.The outer surface of loam cake offers the strip groove, offer a plurality of filling openings in the groove, each filling opening clogs by cock respectively and seals, each filling opening respectively with the corresponding connection of each chamber of casing, each liquid feeding district is provided with the ventilation head respectively, offers in the loam cake to be connected respectively with each ventilation head and to pass to the outer exhaust passage of loam cake, and the gas that produces in the battery is freely discharged by the exhaust passage, cause suitable position through air entraining pipe, the sealing of strip groove place is covered with cover plate.
When producing, each lead acid accumulator needs grid is changed into processing (charging process just) after installing, in formation process, the lead acid accumulator temperature can rise, and be accompanied by temperature a small amount of sulfuric acid that rises and evaporate into acid mist, in the charging later stage, having hydrogen and oxygen discharges, if in the process that grid changes into, cover the loam cake of storage battery, the acid mist that then evaporates can attach on block, even can leak to outside the filling opening by the steam vent on filling opening, then can pollute the loam cake of storage battery, therefore in to the grid formation process, general storage battery does not add earlier loam cake, but each grid is changed into processing earlier, again loam cake is covered on the casing after being over.Do not carry out the disadvantage that grid changes into and have two but do not add loam cake, first production process need be proceeded in two phases, and promptly wants change into grid earlier, just loam cake is covered then, increases production cost; It two is in formation process, and the acid mist that evaporates not only pollutes the environment, and the loss of acid can be shortened the useful life of storage battery.
In use, acid solution in the storage battery can flow freely, and when battery rollover or inversion, inner acid solution is easy to spill along the exhaust passage from the ventilation head, acid solution spills not only can produce corrosivity danger and environmental pollution, but also can shorten the useful life of storage battery.
Summary of the invention
The superstructure that the purpose of this invention is to provide a kind of lead acid accumulator, it can simplify the production process of lead acid accumulator, reduce production costs, and can avoid lead acid accumulator produce and use in volatilize or spill useful life of contaminated environment and shortening storage battery because of sulfuric acid.
Technical scheme of the present invention is such: the superstructure of lead acid accumulator, comprise lid and cover plate, and offer the corresponding respectively a plurality of filling openings that lead to each chamber of storage battery casing on the lid; Be covered with block on each filling opening respectively, the cover plate removable cover is located on each filling opening, offers steam vent on the above-mentioned block, and being respectively equipped with between each corresponding chamber of above-mentioned each filling opening and storage battery casing can be according to the closed structure of setting pressure automatic valve opening.
Above-mentioned closed structure comprises density less than water and the acidproof ball and the cavity of ccontaining this ball, and above-mentioned cavity has the space of fluctuating for above-mentioned ball; Above-mentioned cavity is divided into upper cavity, middle cavity and lower chamber, above-mentioned upper cavity be connected with above-mentioned filling opening and cross-sectional diameter greater than the diameter of above-mentioned ball, the chamber wall of cavity is and the airtight identical cambered surface of the part outer surface of above-mentioned ball in above-mentioned, above-mentioned lower chamber be connected with the corresponding chambers of storage battery casing and cross-sectional diameter less than the diameter of above-mentioned ball.
In above-mentioned each block respectively pad be provided with and the corresponding air filter piece of above-mentioned each filling opening, above-mentioned steam vent is opened in above-mentioned each block and goes up in the position between above-mentioned each air filter piece and above-mentioned each inner bottom surface of blocking a shot.
Above-mentioned each block is furnished with mount pad respectively, above-mentioned each block is corresponding hinged respectively with a side of above-mentioned each mount pad, offer the through hole that passes for above-mentioned each filling opening on above-mentioned each mount pad respectively, through hole corresponding to above-mentioned mount pad on the lateral wall of above-mentioned filling opening is respectively equipped with annular flange, the bottom of above-mentioned each mount pad offers locating groove respectively, is provided with positioning wedged block corresponding to this locating groove on the above-mentioned cover plate.
Above-mentioned block comprises outer shade, interior shade and bottom, the interior shade of above-mentioned block and the inwall of above-mentioned filling opening are suitable, above-mentioned air filter piece gasket is located in the above-mentioned interior shade, above-mentioned bottom has extension corresponding to the position of shade in above-mentioned, and above-mentioned steam vent is arranged on the sidewall of this extension.
The lateral surface of above-mentioned block is provided with the handle that is easy to open.
After adopting such scheme, the superstructure of lead acid accumulator of the present invention, being respectively equipped with between each corresponding chamber of each filling opening and storage battery casing can be according to the closed structure of setting pressure automatic valve opening, change into or use in, can effectively prevent from acid solution volatilization from compared with prior art, to the invention has the beneficial effects as follows: change into use in can limit the loss of sulfuric acid and water, prolong the useful life of storage battery, and avoided contaminated environment; And when changing into, can directly directly be covered on loam cake on the casing, and then change into, simplify production process, thereby reduced production cost.
In the closed structure of the present invention, ball is airtight be supported on identically on the chamber wall (cambered surface) of cavity, cavity is realized airtight, change into or use in, can effectively prevent the acid solution volatilization; The acid mist that produces when each chamber of storage battery casing can back down ball when surpassing certain pressure (above the gravity of ball) with gas automatically, acid mist runs into ball and hinders and condense and adhere to the ball surface and form acid solution, be back in the cavity of storage battery, gas is then overflowed by the gap between ball and the cavity, discharge by the steam vent on the block again, when the pressure of each chamber of storage battery casing drops to the gravity that is lower than ball, on the cambered surface of cavity, carry out airtight to cavity once more during then ball drops to again.And, the present invention the block in be positioned at steam vent below be provided with air filter piece, when ball is backed down, a small amount of acid mist that is not condensed in the ball surface can be adsorbed by air filter piece when flowing to air filter piece, acid mist is filtered, thereby reach the purpose that deflation does not run acid, further prolong the useful life of storage battery.
Adopt after this closed structure of the present invention, acid solution can not overflowed, and does not need to be provided with the acid solution recovery structure on lid, therefore makes cover plate movablely to be provided with yet, and has simplified production process.
Description of drawings
Fig. 1 is a three-dimensional exploded view of the present invention;
Fig. 2 is the partial enlarged drawing at A position among Fig. 1;
Fig. 3 is assembled state figure of the present invention;
Fig. 4 is the A-A cut-away view of Fig. 3;
Fig. 5 is the partial enlarged drawing at B position among Fig. 4;
Fig. 6 is the structural representation (block is opened) of lid among the present invention;
Fig. 7 is the B-B cut-away view of Fig. 6;
Fig. 8 is the partial enlarged drawing at C position among Fig. 7;
Fig. 9 is the inside structure schematic diagram of cover plate of the present invention;
Figure 10 is the activity chart of ball among the present invention;
Embodiment
The superstructure of lead acid accumulator of the present invention shown in Fig. 1-10, comprises lid 1 and cover plate 2, and the top of lid 1 has recess 11, and cover plate 2 removable covers are located on this recess 11, and this recess 11 is provided with a plurality of filling openings 12, is covered with block 3 on the filling opening 12.
The medial surface of cover plate 2 is provided with clasp 21 and clasp 22, offers slotted eye 131,132 respectively corresponding to clasp 21,22 on the lid 1.
Also be provided with battery electric quantity inspection hole 161 and positive and negative terminal 162,163 on the lid 1.
Block 3 comprises outer shade 31, interior shade 32 and bottom 33, interior shade 31 is suitable with the inwall of filling opening 12, gasket is provided with air filter piece 4 in the interior shade 31,33 positions corresponding to interior shade 31, bottom have extension 331, offer steam vent 332 on the sidewall of extension 331, the lateral wall of outer shade 31 has the handle 35 that is easy to open block.
3 one sides of blocking a shot are hinged with mount pad 34, and the bottom of mount pad 34 offers locating groove 341, and recess 11 is provided with a plurality of dividing plates 111 that separate each filling opening 12, are respectively equipped with between the adjacent separator 111 and locating groove 341 corresponding positioning wedged blocks 112.
Being respectively equipped with between each corresponding chamber of each filling opening 12 and storage battery casing can be according to the closed structure 5 of setting pressure automatic valve opening, this closed structure 5 comprises the ball 51 that density is made less than water and by acidproof organic material and the cavity of ccontaining ball 51, this cavity have about 2 times to the spaces of fluctuating for ball 51 of ball 51 diameters; This cavity is divided into upper cavity 52, middle cavity 53 and lower chamber 54, upper cavity 52 be connected with filling opening 12 and cross-sectional diameter d3 greater than the diameter d 2 of ball 51, in the chamber wall 531 of cavity 53 be and the airtight identical cambered surface of the part outer surface of ball 51, lower chamber 54 be connected with the corresponding chambers of storage battery casing and cross-sectional diameter d1 less than the diameter d 2 of ball 51.
Among the present invention, the main part of lid 1 (lid 1 is removed the part of block 3, mount pad 34 and ball 51) is formed in one, during installation, the positioning wedged block 112 that the locating groove 341 of mount pad 34 (having the block of opening 3) is aimed on the lid is depressed, the through hole tight fit of mount pad 34 is inserted in the lateral wall of filling opening 12 and is crossed annular flange 121, make the upper side of annular flange 121 roof pressures, thereby mount pad 34 is fixed on the lateral wall of filling opening 12 at mount pad 34; To block a shot and 3 build, shade 32 embeds the inwall of filling openings in making; By clasp 21, clasp 22 and slotted eye 131,132 cover plate 2 is anchored on the recess 11 of lid 1 again.
The superstructure of lead acid accumulator of the present invention, in the closed structure 5, ball 51 is airtight be supported on identically on the chamber wall (cambered surface) 531 of cavity, realize airtight to cavity, change into or use in, can effectively prevent acid solution volatilization, prolong the useful life of storage battery; The acid mist that produces when each chamber of storage battery casing can back down ball 51 when surpassing certain pressure (above the gravity of ball 51) with gas automatically, acid mist runs into ball 51 and hinders and condense and adhere to ball 51 surfaces and form acid solutions, be back in the cavity of storage battery, gas is then overflowed by the gap between ball 51 and the cavity, discharge by the steam vent on the block 3 332 again, when the pressure of each chamber of storage battery casing drops to the gravity that is lower than ball 51, then ball 51 drops on the chamber wall (cambered surface) 531 again, carries out airtight to cavity once more.When adding acid solution or adding water, when adding to liquid level and be higher than the diameter of ball 51, ball 51 can float, and closed structure is driven valve, forms circulation road under the liquid, just can finish the work that adds acid solution or add water.Adopt after this closed structure of the present invention, acid solution can not overflowed, and does not need to be provided with the acid solution recovery structure on lid 2, therefore makes cover plate 2 movablely to be provided with yet, and has simplified production process.
Compared with prior art, the invention has the beneficial effects as follows: change into use procedure in can limit the loss of sulfuric acid and water, prolong the service life of battery, and avoided contaminated environment; And when changing into, can directly directly be covered on loam cake on the casing, and then change into, simplify production process, thereby reduced production cost. And, the present invention block be positioned in 3 steam vent 332 below be provided with air filter piece 4, when ball 51 is backed down, a small amount of acid mist that is not condensed in the ball surface can be adsorbed by air filter piece 4 when flowing to air filter piece 4, acid mist is filtered, thereby reach the purpose that deflation does not run acid, further prolong the service life of battery.
Claims (5)
1. the superstructure of lead acid accumulator comprises lid and cover plate, offers the corresponding respectively a plurality of filling openings that lead to each chamber of storage battery casing on the lid; It is characterized in that: be covered with block on each filling opening respectively, the cover plate removable cover is located on each filling opening, offer steam vent on the above-mentioned block, being respectively equipped with between each corresponding chamber of above-mentioned each filling opening and storage battery casing can be according to the closed structure of setting pressure automatic valve opening; Above-mentioned closed structure comprises density less than water and the acidproof ball and the cavity of ccontaining this ball, and above-mentioned cavity has the space of fluctuating for above-mentioned ball; Above-mentioned cavity is divided into upper cavity, middle cavity and lower chamber, above-mentioned upper cavity be connected with above-mentioned filling opening and cross-sectional diameter greater than the diameter of above-mentioned ball, the chamber wall of cavity is and the airtight identical cambered surface of the part outer surface of above-mentioned ball in above-mentioned, above-mentioned lower chamber be connected with the corresponding chambers of storage battery casing and cross-sectional diameter less than the diameter of above-mentioned ball.
2. the superstructure of lead acid accumulator according to claim 1, it is characterized in that: in above-mentioned each block respectively pad be provided with and the corresponding air filter piece of above-mentioned each filling opening, above-mentioned steam vent is opened in above-mentioned each block and goes up in the position between above-mentioned each air filter piece and above-mentioned each inner bottom surface of blocking a shot.
3. the superstructure of lead acid accumulator according to claim 1, it is characterized in that: above-mentioned each block is furnished with mount pad respectively, above-mentioned each block is corresponding hinged respectively with a side of above-mentioned each mount pad, offer the through hole that passes for above-mentioned each filling opening on above-mentioned each mount pad respectively, through hole corresponding to above-mentioned mount pad on the lateral wall of above-mentioned filling opening is respectively equipped with annular flange, the bottom of above-mentioned each mount pad offers locating groove respectively, is provided with positioning wedged block corresponding to this locating groove on the above-mentioned cover plate.
4. the superstructure of lead acid accumulator according to claim 2, it is characterized in that: above-mentioned block comprises outer shade, interior shade and bottom, the interior shade of above-mentioned block and the inwall of above-mentioned filling opening are suitable, above-mentioned air filter piece gasket is located in the above-mentioned interior shade, above-mentioned bottom has extension corresponding to the position of shade in above-mentioned, and above-mentioned steam vent is arranged on the sidewall of this extension.
5. the superstructure of lead acid accumulator according to claim 1, it is characterized in that: the lateral surface of above-mentioned block is provided with the handle that is easy to open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100420524A CN101640257B (en) | 2009-08-17 | 2009-08-17 | Upper cover structure of lead acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100420524A CN101640257B (en) | 2009-08-17 | 2009-08-17 | Upper cover structure of lead acid battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101640257A CN101640257A (en) | 2010-02-03 |
| CN101640257B true CN101640257B (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100420524A Active CN101640257B (en) | 2009-08-17 | 2009-08-17 | Upper cover structure of lead acid battery |
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| CN (1) | CN101640257B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165851B (en) * | 2011-12-14 | 2016-04-27 | 比亚迪股份有限公司 | Battery terminal, battery cover board assembly, cell and battery pack |
| CN104091903A (en) * | 2014-06-16 | 2014-10-08 | 江苏理士电池有限公司 | Spring terminal battery and capping method |
| CN104134764A (en) * | 2014-08-05 | 2014-11-05 | 浙江长兴金太阳电源有限公司 | Special shell of high-capacity power batteries |
| CN104393204B (en) * | 2014-11-12 | 2016-10-05 | 浙江悦达塑业股份有限公司 | A kind of central cap structure of accumulator |
| JP7155500B2 (en) * | 2017-05-19 | 2022-10-19 | 株式会社Ｇｓユアサ | lead acid battery |
| CN116613486B (en) * | 2023-07-17 | 2023-11-17 | 宁德时代新能源科技股份有限公司 | Liquid injection safety device, liquid injection method and liquid injection system of battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0794582A1 (en) * | 1996-03-08 | 1997-09-10 | DETA-Akkumulatorenwerk GmbH | Cover for lead acid accumulator with venting system |
| US7101640B1 (en) * | 2000-11-03 | 2006-09-05 | Exide Technologies | Screw-in vent plug for lead-acid batteries |
| CN101093880A (en) * | 2007-07-24 | 2007-12-26 | 卧龙电气集团股份有限公司 | Acid proof type air pressure automatic control valve for accumulator |
| CN101159321A (en) * | 2007-11-20 | 2008-04-09 | 山东圣阳电源实业有限公司 | Lead-acid accumulator protection valve |
| CN201514961U (en) * | 2009-08-17 | 2010-06-23 | 泉州市一鸣交通电器有限公司 | Upper cover structure of lead-acid storage battery |
-
2009
- 2009-08-17 CN CN2009100420524A patent/CN101640257B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0794582A1 (en) * | 1996-03-08 | 1997-09-10 | DETA-Akkumulatorenwerk GmbH | Cover for lead acid accumulator with venting system |
| US7101640B1 (en) * | 2000-11-03 | 2006-09-05 | Exide Technologies | Screw-in vent plug for lead-acid batteries |
| CN101093880A (en) * | 2007-07-24 | 2007-12-26 | 卧龙电气集团股份有限公司 | Acid proof type air pressure automatic control valve for accumulator |
| CN101159321A (en) * | 2007-11-20 | 2008-04-09 | 山东圣阳电源实业有限公司 | Lead-acid accumulator protection valve |
| CN201514961U (en) * | 2009-08-17 | 2010-06-23 | 泉州市一鸣交通电器有限公司 | Upper cover structure of lead-acid storage battery |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2003-132869A 2003.05.09 |
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| CN101640257A (en) | 2010-02-03 |
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