CN110783640A - Rich-liquid maintenance-free lead storage battery - Google Patents
Rich-liquid maintenance-free lead storage battery Download PDFInfo
- Publication number
- CN110783640A CN110783640A CN201911000956.0A CN201911000956A CN110783640A CN 110783640 A CN110783640 A CN 110783640A CN 201911000956 A CN201911000956 A CN 201911000956A CN 110783640 A CN110783640 A CN 110783640A
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- Prior art keywords
- cover plate
- hole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/70—Arrangements for stirring or circulating the electrolyte
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention relates to a flooded maintenance-free lead storage battery, which comprises a battery jar and a battery cover which are mutually covered, wherein the battery cover comprises a middle cover and a cover plate positioned on the top surface of the middle cover, the area of the top surface of the middle cover covered by the cover plate is provided with a cover plate groove, the cover plate groove is provided with an acid injection hole, the acid injection hole is positioned on one side of the cover plate groove, the other side of the cover plate groove opposite to the acid injection hole is provided with a backflow hole, the bottom surface of the cover plate groove is obliquely arranged from the acid injection hole area to the backflow hole area, the middle cover or the cover plate is also provided with an exhaust hole communicated with the cover plate groove, and an air filter sheet is arranged in the exhaust hole. According to the invention, the backflow hole is formed in the other side, opposite to the acid injection hole, of the cover plate groove of the middle cover, and the bottom surface of the cover plate groove is obliquely arranged from the acid injection hole area to the backflow hole area, so that liquid in gas generated by battery charging can be condensed and then flows back to the interior of the battery through the backflow hole along the oblique bottom surface of the cover plate groove, the water loss is reduced, and the influence on the use of the battery due to excessive water loss is avoided.
Description
Technical Field
The invention relates to the technical field of storage batteries, in particular to a flooded maintenance-free lead storage battery.
Background
The lead storage battery mainly comprises electrolyte, a battery jar, a battery cover and a polar group, wherein the electrolyte of the lead storage battery is sulfuric acid solution, the polar group mainly comprises a positive plate, a negative plate and a partition plate, the top surface of the battery cover is provided with an acid injection hole for adding acid into the battery and discharging gas generated in the use process of the battery, the top surface of the battery cover is generally provided with a cover sheet groove, the acid injection hole is arranged in the cover sheet groove, then the cover sheet groove is covered by a cover sheet, and the acid injection hole is hidden.
For example, the utility model with the authorization notice number of CN205752423U discloses a acid-pouring lead-acid battery, which comprises a battery shell and a middle cover plate, wherein the upper end of the battery shell is provided with a battery groove, the middle cover plate is connected with the upper end of the battery shell, a plurality of partition plates are arranged in the battery groove at intervals, the battery groove is divided into a plurality of single battery cells by the partition plates, the middle cover plate is provided with an acid-pouring groove and a safety groove, two safety valves are arranged between the acid-pouring groove and the safety groove at intervals, an acid-pouring acid-adding hole which is arranged on the middle cover plate and is positioned in the acid-pouring groove is arranged above each single battery cell, the two sides of the safety groove are provided with pole holes which are arranged on the middle cover plate, the safety groove is provided with two safety valve holes which are arranged on the middle cover plate at intervals, a first upper cover plate which blocks all the acid-pouring acid-adding holes is adhered in the acid-pouring groove, a second, and the second upper cover plate is provided with two exhaust holes which are arranged at intervals and communicated with each single cell.
The utility model discloses an authorization notice number is CN 202633396U's utility model discloses a battery cover comprises cover plate, well lid, and well lid links together with the cover plate, well lid is bottom surface open-ended cuboid casing, sets up rectangular cover plate groove at the casing top, sets up a plurality of exhaust hole in the middle of the cover plate groove, and the exhaust hole passes through the access connection, and the cover plate groove periphery is the round glue groove, and the cover plate groove is opened there is the blast pipe groove, and when the cover plate lid was covered in, the airtight embedding of blast pipe was on the blast pipe groove. The filtering acid sheet is arranged in the gas collecting groove of the cover plate.
In the prior art, when the flooded maintenance-free lead-acid storage battery is used, a small amount of liquid is accompanied with gas generated during charging, and if the liquid is not well protected, the liquid can flow out of the battery along with the gas, so that the water loss of the battery is caused, and the use of the battery is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a flooded maintenance-free lead storage battery capable of reducing water loss of the battery.
The utility model provides a rich liquid formula non-maintaining lead accumulator, is including the battery jar and the battery cover that close each other, the battery cover is including well lid and the cover plate that is located well lid top surface, the region that well lid top surface was covered by the cover plate has the cover plate groove, the cover plate groove has notes acid hole, it is located to annotate acid hole one side of cover plate groove, the opposite side in the relative acid hole of annotating of cover plate groove is equipped with backward flow hole, the bottom surface in cover plate groove sets up to backward flow hole region slope from annotating acid hole region, well lid or cover plate on still be equipped with the exhaust hole of cover plate groove intercommunication is equipped with the air filter in the exhaust hole.
Preferably, the battery jar includes a plurality of unit check, is equipped with a utmost point crowd in each unit check, well lid top surface is equipped with one respectively in the position of just facing each unit check and annotates acid hole and backward flow hole. The bottom surface of the cover plate is provided with positioning pieces which extend into the corresponding acid injection holes during assembly corresponding to the positions of the two acid injection holes on the two sides of the middle cover, each positioning piece comprises a plurality of positioning pieces which are arranged according to the circumference, and the top surface of each positioning piece is provided with a chamfer. The position that the bottom surface of cover the backward flow hole is equipped with the stopper post that stretches into corresponding backward flow hole when the assembly corresponding in the position of well lid backward flow hole, the external diameter of stopper post is less than the aperture of backward flow hole, has the hole that supplies liquid to flow through between the two after the stopper post stretches into the backward flow hole, does not influence the backward flow of liquid, nevertheless can reduce the battery because of rocking electrolyte from the backward flow hole spill to a certain extent.
Preferably, the cover plate groove of the middle cover is provided with an annular groove wall, the bottom surface of the cover plate is provided with a convex ring abutted against the annular groove wall, and the cover plate and the middle cover are connected and fixed through heat sealing.
Preferably, the cover plate groove is internally provided with a partition plate which divides the cover plate groove into a plurality of small grooves, each small groove corresponds to one single cell of the battery jar, the bottom surface of the cover plate is provided with a partition raised line corresponding to the position of the partition plate, and the partition raised line is provided with an exhaust notch at the position close to the acid injection hole.
Preferably, the bottom surface of the cover plate groove is provided with a plurality of baffles, a gap for liquid to flow back is formed between each baffle and the partition plate or the annular groove wall, and the gaps at the adjacent baffles are arranged in a staggered manner. The baffle plate is arranged to increase the path of liquid backflow, the liquid can flow back by winding around like a labyrinth, but the whole backflow path is basically from a high position to a low position, so that the liquid can flow back fully without flowing back easily.
Further preferably, the top surface of the middle cover is provided with a positioning convex strip on the outer side of the annular groove wall, and the bottom surface of the cover plate is provided with a positioning groove matched with the positioning convex strip. The cooperation setting of location sand grip and constant head tank can ensure that well lid and cover plate are sealed fashionably, even contact surface melts more when the heat-seal, pressure is great, has the location sand grip to block, and the cover plate is also difficult to push down too much to ensure that the cover plate still controls at the height of settlement after closing with well lid.
Further preferably, the exhaust hole is formed in the cover plate and comprises a vertical section located in the convex ring of the cover plate and a horizontal section extending from the vertical section to the outside of the convex ring, and the air filter is arranged in the vertical section. Preferably, the filter disc comprises a coarse filter disc arranged on the upstream side of the exhaust hole and a fine filter disc arranged on the downstream side of the exhaust hole, the aperture of the coarse filter disc is 6.5-8 μm, and the aperture of the fine filter disc is 3.2-4 μm. The coarse filtration filters solid particle impurities possibly carried in the gas, and then the fine filtration filters tiny liquid drops carried in the gas.
Preferably, the top surface of the middle cover is provided with a terminal hole, a wiring terminal is arranged in the terminal hole, the wiring terminal comprises a first part used for being connected with an end pole and a second part used for being externally connected with a power line, the first part comprises a connecting sleeve which is sleeved on the end pole in a penetrating manner, and the periphery of the connecting sleeve is provided with a plurality of convex rings embedded into the middle cover; the second part comprises a binding post and a wiring stud with one end embedded in the binding post. The binding post can be used for connecting with a power line with a sleeve joint; the wiring stud is matched with the nut for use and can be used for being in threaded connection with a power line.
Further preferably, the terminal is integrally formed with the middle cap when the middle cap is injection molded.
According to the flooded maintenance-free lead storage battery, the backflow hole is formed in the other side, opposite to the acid injection hole, of the cover plate groove of the middle cover, and the bottom surface of the cover plate groove is obliquely arranged from the acid injection hole area to the backflow hole area, so that liquid in gas generated by charging of the battery can be condensed and then flows back to the interior of the battery through the backflow hole along the oblique bottom surface of the cover plate groove, the water loss is reduced, and the influence of excessive water loss on the use of the battery is avoided.
Drawings
Fig. 1 is a schematic perspective view of a flooded type maintenance-free lead acid battery of the present invention.
Fig. 2 is a bottom view of the middle cover.
Fig. 3 is a schematic perspective view of the middle cover.
Fig. 4 is a perspective view of the middle cover from another view angle.
FIG. 5 is a bottom view of the cover plate.
Fig. 6 is a perspective view of the cover plate.
Fig. 7 is a cross-sectional view of a vent.
Fig. 8 is a sectional view of the middle cap.
Fig. 9 shows one of the connection modes of the power cord of the flooded type maintenance-free lead acid battery of the present invention.
Fig. 10 shows another connection of power lines of the flooded lead-acid battery of the present invention.
Detailed Description
As shown in fig. 1 to 10, a flooded maintenance-free lead storage battery comprises a battery jar 1 and a battery cover which are mutually covered, wherein the battery cover comprises a middle cover 2 and a cover plate 3 positioned on the top surface of the middle cover 2, the area of the top surface of the middle cover 2 covered by the cover plate 3 is provided with a cover plate groove 21, the cover plate groove 21 is provided with an acid injection hole 22, the acid injection hole 22 is positioned on one side of the cover plate groove 21, the other side of the cover plate groove 21, which is opposite to the acid injection hole 22, is provided with a reflux hole 23, the bottom surface of the cover plate groove 21 is obliquely arranged from the area of the acid injection hole 22 to the area of the reflux hole 23, the middle cover 2 or the cover plate 3 is further provided with an exhaust hole communicated with the cover plate.
The flooded maintenance-free lead storage battery can be a single-cell storage battery or a multi-cell storage battery, the preferred battery jar 1 comprises a plurality of single cells, a pole group is arranged in each single cell, and the top surface of the middle cover 2 is respectively provided with an acid injection hole 22 and a reflux hole 23 just opposite to the position of each single cell. The bottom surface of the cover plate 3 is provided with positioning pieces which extend into the corresponding acid injection holes 22 when being assembled at positions corresponding to the two acid injection holes 22 on the two sides of the middle cover 2, the positioning pieces comprise a plurality of positioning pieces 39 which are arranged according to the circumference, and the top surface of each positioning piece 39 is provided with a chamfer angle which is convenient for assembly. The bottom surface of the cover plate 3 is provided with a plug 310 extending into the corresponding backflow hole 23 during assembly corresponding to the position of the backflow hole 23 on the middle cover 2, the outer diameter of the plug 310 is smaller than the aperture of the backflow hole 23, a hole for liquid to flow through is formed between the plug 310 and the backflow hole 23 after the plug 310 extends into the backflow hole 23, backflow of the liquid is not affected, and splashing of electrolyte from the backflow hole 23 due to shaking of the battery can be reduced to a certain extent.
The cover sheet groove 21 of the middle cover 2 is provided with an annular groove wall 24, the bottom surface of the cover sheet 3 is provided with a convex ring 31 which is abutted against the annular groove wall 24, and the cover sheet 3 and the middle cover 2 are connected and fixed through heat sealing.
A partition plate 25 which divides the cover sheet groove 21 into a plurality of small grooves is arranged in the cover sheet groove 21, each small groove corresponds to one single cell of the battery jar 1, a partition convex strip 32 is arranged on the bottom surface of the cover sheet 3 corresponding to the position of the partition plate 25, and an exhaust notch 33 is arranged on the partition convex strip 32 close to the acid injection hole 22.
The bottom surface of the cover plate groove 21 is provided with a plurality of baffle plates 26, gaps 27 for liquid backflow are arranged between the baffle plates 26 and the partition plate 25 or the annular groove wall 24, and the gaps 27 at the adjacent baffle plates 26 are arranged in a staggered mode. The baffle 26 is arranged to increase the path of liquid backflow, the liquid can flow back by winding around like a labyrinth, but the whole backflow path is basically from high to low, so that the liquid can flow back fully without backflow.
The top surface of the middle cover 2 is also provided with a positioning convex strip 28 at the outer side of the annular groove wall 24, and the bottom surface of the cover plate 3 is provided with a positioning groove 34 matched with the positioning convex strip 28. The cooperation setting of location sand grip 28 and constant head tank 34 can ensure that well lid 2 is when sealing with cover plate 3, even the contact surface melts more when the heat-seal, pressure is great, has location sand grip 28 to block, and cover plate 3 also is difficult to push down too much to ensure that cover plate 3 still controls at the height of settlement with well lid 2 lid back.
In a preferred embodiment, the vent hole is provided on the lid plate 3, the vent hole comprises a vertical section 35 located inside the convex ring 31 of the lid plate 3 and a horizontal section 36 extending from the vertical section 35 to the outside of the convex ring, and the vertical section 35 is provided with an air filter therein. The air filter comprises a coarse filter 38 arranged on the upstream side of the exhaust hole and a fine filter 37 arranged on the downstream side of the exhaust hole, the aperture of the coarse filter 38 is 6.5-8 μm, and the aperture of the fine filter 37 is 3.2-4 μm. The upstream side and the downstream side of the exhaust hole are distinguished according to the flow direction of the air flow during the exhaust.
As shown in fig. 8, the top surface of the middle cover 2 is provided with a terminal hole 29, the terminal hole 29 is provided in a hole pillar extending from the middle cover 2 toward the inside of the lead acid battery, and a reinforcing rib 210 is provided between the outer periphery of the hole pillar and the inner bottom surface of the middle cover 2. The terminal hole 29 is internally provided with a terminal 4, the terminal 4 comprises a first part used for being connected with an end pole and a second part used for being externally connected with a power line 5, the first part comprises a connecting sleeve 41 which is sleeved on the end pole in a penetrating way, and the periphery of the connecting sleeve 41 is provided with a plurality of convex rings 42 embedded in the middle cover 2; the second portion includes a post 43 and a terminal stud 44 having one end embedded in the post 43. As shown in fig. 9, the terminal 43 may be used to connect to the power cord 5 with a sleeve 51, and the sleeve 51 may be provided in the form of a clip and then secured with a bolt 52 and a nut 53. As shown in fig. 10, the terminal stud 44 is used in combination with a nut 55, and can be used for being screwed with the power cord 5, one end of the power cord 5 is provided with a connecting piece 54, and the connecting piece 54 is provided with a terminal hole sleeved on the terminal stud 44. When the middle cap 2 is injection molded, the terminal 4 is integrally formed with the middle cap 2.
According to the flooded maintenance-free lead storage battery, the backflow hole 23 is formed in the other side, opposite to the acid injection hole 22, in the cover plate groove 21 of the middle cover 2, and the bottom surface of the cover plate groove 21 is obliquely arranged from the acid injection hole 22 area to the backflow hole 23 area, so that liquid in gas generated by battery charging can be condensed and then flows back to the interior of the battery through the backflow hole 23 along the oblique bottom surface of the cover plate groove 21, the water loss is reduced, and the influence on the use of the battery due to excessive water loss is avoided.
Claims (10)
1. The utility model provides a rich liquid formula non-maintaining lead accumulator, is including the battery jar and the battery cover that close each other, the battery cover is including well lid and the cover plate that is located well lid top surface, its characterized in that, the region that well lid top surface was covered by the cover plate has the cover plate groove, the cover plate groove has notes acid hole, it is located to annotate acid hole one side of cover plate groove, the opposite side that the cover plate groove was annotated acid hole relatively is equipped with backward flow hole, the bottom surface in cover plate groove sets up to backward flow hole region slope from annotating acid hole region, well lid or cover plate on still be equipped with the exhaust hole of cover plate groove intercommunication is equipped with the air filter in the exhaust hole.
2. The flooded maintenance-free lead acid battery of claim 1, wherein the battery well includes a plurality of cells, each cell having a pole group therein, and wherein the top surface of the middle cover opposite each cell has an acid fill hole and a drain hole, respectively.
3. The flooded type maintenance-free lead storage battery of claim 2, wherein the cover plate groove of the middle cover has an annular groove wall, the bottom surface of the cover plate has a convex ring abutting against the annular groove wall, and the cover plate and the middle cover are fixed by heat sealing connection.
4. The flooded type maintenance-free lead storage battery of claim 3, wherein a separation plate is arranged in the cover plate groove to separate the cover plate groove into a plurality of small grooves, each small groove corresponds to a single cell of the battery groove, a separation convex strip is arranged on the bottom surface of the cover plate corresponding to the position of the separation plate, and an exhaust notch is arranged on the separation convex strip at a position close to the acid injection hole.
5. The flooded maintenance-free lead acid battery of claim 4, wherein the cover plate groove has a plurality of baffles on the bottom surface, gaps are provided between the baffles and the partition plate or the annular groove wall for backflow of liquid, and the gaps between adjacent baffles are staggered.
6. The flooded type maintenance-free lead storage battery of claim 3, wherein the top surface of the middle cover is further provided with a positioning convex strip outside the annular groove wall, and the bottom surface of the cover plate is provided with a positioning groove matched with the positioning convex strip.
7. The flooded maintenance-free lead storage battery of claim 3, wherein the vent hole is disposed in the cover plate, the vent hole comprising a vertical section located in a raised ring of the cover plate and a horizontal section extending from the vertical section to outside the raised ring, the air filter being disposed in the vertical section.
8. The flooded maintenance-free lead acid battery of claim 7, wherein the gas filter includes a coarse filter disposed upstream of the vent and a fine filter disposed downstream of the vent, the coarse filter having a pore size of 6.5 μm to 8 μm and the fine filter having a pore size of 3.2 μm to 4 μm.
9. The flooded type maintenance-free lead storage battery according to claim 1, wherein the top surface of the middle cover is provided with a terminal hole, a terminal is arranged in the terminal hole, the terminal comprises a first part for connecting with the terminal post and a second part for externally connecting a power line, the first part comprises a connecting sleeve sleeved on the terminal post, and the periphery of the connecting sleeve is provided with a plurality of convex rings embedded in the middle cover; the second part comprises a binding post and a wiring stud with one end embedded in the binding post.
10. The flooded type maintenance-free lead acid battery of claim 9, wherein the terminal is integrally formed with the middle cap when the middle cap is injection molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911000956.0A CN110783640A (en) | 2019-10-21 | 2019-10-21 | Rich-liquid maintenance-free lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911000956.0A CN110783640A (en) | 2019-10-21 | 2019-10-21 | Rich-liquid maintenance-free lead storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110783640A true CN110783640A (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911000956.0A Pending CN110783640A (en) | 2019-10-21 | 2019-10-21 | Rich-liquid maintenance-free lead storage battery |
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| CN (1) | CN110783640A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563630A (en) * | 2020-11-13 | 2021-03-26 | 骆驼集团华中蓄电池有限公司 | Valve-regulated lead-acid storage battery |
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| CN2826722Y (en) * | 2005-08-22 | 2006-10-11 | 风帆股份有限公司 | Filtering steam protective cover for battery formation |
| CN105932341A (en) * | 2015-02-27 | 2016-09-07 | 株式会社杰士汤浅国际 | Lead-acid Battery |
| CN208240740U (en) * | 2018-06-07 | 2018-12-14 | 福建省闽华电源股份有限公司 | A kind of lead-acid accumulator exhaust superstructure |
| CN208596739U (en) * | 2018-09-14 | 2019-03-12 | 重庆裕祥新能源电池有限公司 | Lead-acid accumulator fluid injection exhaust cap |
-
2019
- 2019-10-21 CN CN201911000956.0A patent/CN110783640A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2826722Y (en) * | 2005-08-22 | 2006-10-11 | 风帆股份有限公司 | Filtering steam protective cover for battery formation |
| CN105932341A (en) * | 2015-02-27 | 2016-09-07 | 株式会社杰士汤浅国际 | Lead-acid Battery |
| US10135048B2 (en) * | 2015-02-27 | 2018-11-20 | GS Yuasa Internationl Ltd. | Lead-acid battery |
| CN208240740U (en) * | 2018-06-07 | 2018-12-14 | 福建省闽华电源股份有限公司 | A kind of lead-acid accumulator exhaust superstructure |
| CN208596739U (en) * | 2018-09-14 | 2019-03-12 | 重庆裕祥新能源电池有限公司 | Lead-acid accumulator fluid injection exhaust cap |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112563630A (en) * | 2020-11-13 | 2021-03-26 | 骆驼集团华中蓄电池有限公司 | Valve-regulated lead-acid storage battery |
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Application publication date: 20200211 |
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| RJ01 | Rejection of invention patent application after publication |