CN109524733B - Accumulator state indicator - Google Patents
Accumulator state indicator Download PDFInfo
- Publication number
- CN109524733B CN109524733B CN201910006492.8A CN201910006492A CN109524733B CN 109524733 B CN109524733 B CN 109524733B CN 201910006492 A CN201910006492 A CN 201910006492A CN 109524733 B CN109524733 B CN 109524733B
- Authority
- CN
- China
- Prior art keywords
- ring
- indicator
- mounting sleeve
- rubber ring
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000003292 glue Substances 0.000 claims description 19
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 16
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 239000012466 permeate Substances 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 7
- 230000007704 transition Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/484—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring electrolyte level, electrolyte density or electrolyte conductivity
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a storage battery state indicator which comprises an indicator transparent column and a mounting sleeve sleeved on the indicator transparent column, wherein an inner rubber ring propped against the indicator transparent column is arranged on the upper part of the inner side wall of the mounting sleeve. Through setting up the inner rubber ring, effectively avoid the liquid to permeate the gap between the transparent post of indicator and the installation cover from outside, and then avoid outside liquid to influence the normal demonstration of the transparent post of indicator, ensure that the sealing state of battery is difficult for being judged by mistake. In addition, the invention further prevents the liquid from penetrating into the gap between the mounting sleeve and the storage battery shell from the outside by arranging the outer rubber ring, further prevents the external liquid from influencing the normal display of the transparent column of the indicator, facilitates the integral forming of the rubber rings by arranging the first connecting strip and the second connecting strip, simultaneously ensures that the rubber rings can be mutually restricted, and avoids the offset of the rubber ring position in the use process.
Description
Technical Field
The invention relates to a storage battery accessory, in particular to a storage battery state indicator.
Background
The battery status indicator, also known as an electric eye, can display different colors by detecting the specific gravity of the battery electrolyte so that a user can initially determine the operating status of the battery.
Conventional battery status indicators generally include an indicator transparent column and a mounting sleeve fitted over the indicator transparent column, the indicator transparent column is mounted on a battery case by the mounting sleeve, a sealing structure is generally required between the indicator transparent column and the mounting sleeve in order to prevent leakage of electrolyte from a gap between the indicator transparent column and the mounting sleeve, and at the same time, in order to avoid liquid accumulation in the gap between the indicator transparent column and the mounting sleeve, the sealing structure is generally disposed at a side relatively close to an electrolyte storage chamber in a connection position between the indicator transparent column and the mounting sleeve, however, when the battery status indicator is mounted on the battery case, water washing and the like are generally performed on the case, water may infiltrate into the gap between the indicator transparent column and the mounting sleeve from outside of the battery case, and when in use, in an environment where solar irradiation or a relatively high temperature is performed, water in the gap between the indicator transparent column and the mounting sleeve may volatilize and adhere to the indicator transparent column, resulting in erroneous judgment of the sealed status of the battery by a user.
In view of this, the present applicant has conducted intensive studies on the structure of a battery state indicator, and has produced the present invention.
Disclosure of Invention
The invention aims to provide a storage battery state indicator which is not easy to misjudge the sealing state of a storage battery.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a battery state indicator, includes the transparent post of indicator and overlaps and establish the installation cover on the transparent post of indicator, the upper portion of installation cover inside wall is provided with the butt and is in the interior gum ring on the transparent post of indicator.
As an improvement of the invention, the upper part of the outer side wall of the mounting sleeve is provided with an outer rubber ring propped against the storage battery shell.
As an improvement of the invention, the inner rubber ring and/or the outer rubber ring is a rubber ring or a silica gel ring.
As an improvement of the invention, the upper end surface of the mounting sleeve is provided with a through groove, and a first connecting strip which is respectively connected with the inner rubber ring and the outer rubber ring in an integral way is arranged in the through groove.
As an improvement of the present invention, there are two or more through grooves, and each through groove is uniformly distributed around the axis of the mounting sleeve.
As an improvement of the invention, the upper end of the indicator transparent column is provided with a positioning ring, the outer side wall of the positioning ring is propped against the inner rubber ring, the lower end of the inner rubber ring is also integrally connected with a core rubber ring, and the lower end face of the positioning ring is propped against the core rubber ring.
As an improvement of the invention, the indicator transparent column is provided with more than one sealing convex ring at a position below the positioning ring, and the sealing convex ring is embedded into the core rubber ring.
As an improvement of the invention, a sealing groove is arranged on the outer side wall of the mounting sleeve, a glue filling hole for communicating the sealing groove with the inner cavity of the mounting sleeve is arranged on the mounting sleeve, a second connecting strip integrally connected with the core glue ring is arranged in the glue filling hole, and a sealing glue ring integrally connected with the second connecting strip is arranged in the sealing groove.
As an improvement of the invention, the indicator transparent column is provided with a column sealing ring at a position below the sealing convex ring, and the mounting sleeve is internally connected with a sleeve sealing ring which is matched with the column sealing ring in an integral or interference fit way.
By adopting the technical scheme, the invention has the following beneficial effects:
1. through setting up the inner rubber ring, effectively avoid the liquid to permeate the gap between the transparent post of indicator and the installation cover from outside, and then avoid outside liquid to influence the normal demonstration of the transparent post of indicator, ensure that battery state indicator is difficult for producing by the misjudgement to the sealed state of battery.
2. Through setting up outer gum ring, avoid the liquid to infiltrate the gap between installation cover and the battery case from outside, further avoid outside liquid to influence the normal demonstration of the transparent post of indicator.
3. Through setting up the connecting strip, each gluey ring integrated into one piece of being convenient for makes each gluey ring simultaneously can restrict each other, avoids the gluey ring position to produce the skew in the use.
Drawings
FIG. 1 is a schematic cross-sectional view of a battery status indicator of the present invention, showing only partial features of the battery housing;
FIG. 2 is a schematic view of the transparent column of the indicator of the present invention;
FIG. 3 is a schematic view of the mounting sleeve according to the present invention;
fig. 4 is a schematic diagram of a connection structure of each rubber ring in the present invention.
The labels correspond to the following:
10-indicator transparent columns; 11-positioning rings;
12-sealing a convex ring; 13-a column seal ring;
20-mounting a sleeve; 21-sleeve sealing ring;
22-an outer sealing ring; 23-spacing grooves;
24-through slots; 25-transition grooves;
26-sealing the groove; 27-glue filling holes;
30-a battery housing; 41-an inner rubber ring;
42-an outer rubber ring; 43-first connecting strip;
44-core rubber ring; 45-a third connecting bar;
46-a second connecting bar; 47-sealing glue ring.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples.
As shown in fig. 1 to 4, the battery status indicator provided in this embodiment includes an indicator transparent column 10 and a mounting sleeve 20 fitted over the indicator transparent column 10, and the battery status indicator is required to be mounted on a battery case 30 before use. Of course, the battery status indicator should further include a ball or other component at the lower end of the transparent indicator column 10, which is the same as the conventional battery device indicator, and its connection structure, and is not the focus of the present embodiment, that is, the present embodiment is an improvement of the upper structure of the conventional battery status indicator. In the present embodiment, the up-down direction of each component in the state where the battery status indicator is vertically arranged in use is the up-down direction of each component, and in this state, the indicator transparent column 10 is vertically arranged with its one end having the observation mirror surface being the upper end.
The upper end of the indicator transparent column 10 is provided with a positioning ring 11, the observation mirror surface of the indicator transparent column 10 is positioned on the upper end surface of the positioning ring 11, the indicator transparent column 10 is provided with more than one sealing convex rings 12 at the position below the positioning ring 11, in this embodiment, two sealing convex rings 12 are taken as an example for illustration, the indicator transparent column 10 is provided with column sealing rings 13 at the position below each sealing convex ring 12, the structures of the positioning ring 11 and the column sealing rings 13 are the same as those of the conventional indicator transparent column, and in addition, the lower structure of the indicator transparent column 10 is also the same as that of the conventional indicator transparent column, that is, the indicator transparent column 10 in this embodiment is only provided with the sealing convex rings 12 on the basis of the indicator transparent column.
The installation cover 20 is the plastic installation cover of PP material, and its interior body coupling or interference fit are connected with the cover sealing ring 21 with post sealing ring 13 complex, and cover sealing ring 21 is also the plastic ring of PP material, and in this embodiment, cover sealing ring 21 is connected with installation cover 20 an organic whole, and it forms the seal structure with post sealing ring 13 interference fit jointly, installation cover 20, cover sealing ring 21 and post sealing ring 13 like this for prevent the electrolyte that is arranged in the inner chamber of battery case 30 from leaking in the hole of installation cover 20. The outer side wall of the installation sleeve 20 is integrally provided with more than two outer sealing rings 22, a spacing groove 23 is formed between every two adjacent outer sealing rings, sealing is realized through interference fit between the outer sealing rings 22 and the storage battery shell 30, and electrolyte in the inner cavity of the storage battery shell 30 is prevented from leaking from a gap between the storage battery shell 30 and the installation sleeve 20. In addition, the upper portion of the inside wall of the installation sleeve 20 is provided with an inner rubber ring 41 propping against the transparent column 10 of the indicator, specifically, the inner rubber ring 41 is located above the sleeve sealing ring 21, the outside wall of the positioning ring 11 on the transparent column 10 of the indicator is propped against the inner rubber ring 41 to form a first layer of sealing structure, so that external liquid can be effectively prevented from penetrating into a gap between the installation sleeve 20 and the transparent column 10 of the indicator, the situation that a user misjudges the sealing state of the storage battery due to interference in display is avoided, and the inner rubber ring 41 is integrally connected to the installation sleeve 20 preferably in a secondary injection molding mode.
Preferably, the upper part of the outer side wall of the mounting sleeve 20 is provided with an outer glue ring 42 which abuts against the battery housing 30, i.e. the outer glue ring 42 is located above the respective outer sealing ring 22. In this way, the outside liquid is reliably and effectively prevented from penetrating into the gap between the mounting sleeve 20 and the battery case 30, and the liquid penetrating into the gap between the mounting sleeve 20 and the battery case 30 is prevented from volatilizing under the action of high temperature and adhering to the observation mirror surface. The inner rubber ring 41 and/or the outer rubber ring 42 are preferably rubber rings or silica gel rings, but of course, other soft rubber materials may be used, in this embodiment, the inner rubber ring 41 and the outer rubber ring 42 are both rubber rings, and the outer rubber ring 42 is also preferably integrally connected to the mounting sleeve 20 by a two-shot molding method, so that the inner rubber ring 41 and the outer rubber ring 42 are simultaneously molded by the same auxiliary mold, the upper end surface of the mounting sleeve 20 is provided with through grooves 24, more than two through grooves 24 are provided, each through groove 24 is uniformly distributed with the axis of the mounting sleeve 20 as the center, and each through groove 24 is provided with a first connecting strip 43 integrally connected with the inner rubber ring 41 and the outer rubber ring 42, so that glue liquid can flow from a position corresponding to the inner rubber ring 41 to a position corresponding to the outer rubber ring 42 during the mask molding, or from a position corresponding to the outer rubber ring 42 to a position corresponding to the inner rubber ring 41.
Further, in this embodiment, the lower end of the inner rubber ring 41 is integrally connected with a core rubber ring 44, and the lower end surface of the positioning ring 11 abuts against the core rubber ring 44 to form a second layer of sealing structure, so that when the inner rubber ring 41 does not have a sealing function, the core rubber ring 44 can still have a function of preventing external liquid from penetrating. Specifically, the inner side wall of the mounting sleeve 20 is respectively provided with transition grooves 25 which are communicated with the corresponding through grooves 24 at positions corresponding to the through grooves 24, each transition groove 25 is internally provided with a third connecting strip 45, and the third connecting strips 45 are respectively connected with the inner rubber ring 41 and the core rubber ring 44 in an integrated manner, so that the integral connection between the core rubber ring 44 and the inner rubber ring 41 is realized. In addition, the sealing collar 12 is embedded in the core glue ring 44 to form a third layer of sealing structure that can form not only a triple seal with the second layer of sealing structure and the first sealing structure to external liquid, but also a double seal with the hard sealing structure to electrolyte in the interior cavity of the battery case 30.
Still further, in this embodiment, the outer side wall of the mounting sleeve 20 is provided with the sealing groove 26, the sealing groove 26 is located between each outer sealing ring 22 and each outer rubber ring 42, meanwhile, the mounting sleeve 20 is provided with the glue filling holes 27 for communicating the sealing groove 26 and the inner cavity of the mounting sleeve 20, the number of the glue filling holes 27 is the same as that of the transition grooves 25, each glue filling hole 27 corresponds to each transition groove 25 one by one and is mutually communicated, each glue filling hole 27 is internally provided with a second connecting strip 46 integrally connected with the core rubber ring 44, the sealing groove 26 is internally provided with a sealing rubber ring 47 integrally connected with each second connecting strip 46, and the sealing rubber ring 47 abuts against the storage battery shell 30, so that dual sealing of external liquid and internal electrolyte can be formed. In addition, due to the existence of each connecting strip, each rubber ring can be integrally connected together, and the rubber ring is obtained through a two-shot injection molding mode. Preferably, the glue-pouring hole 27 is naturally formed by intersecting the transition groove 25 with the sealing groove 26, i.e. the glue-pouring hole 27 and the corresponding transition groove 25 are mutually overlapped, and the corresponding second connecting strip 46 and the third connecting strip 45 are located on the same straight line.
The present invention has been described in detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention, such as specific number of the strips, etc., according to the prior art, which are all within the scope of the present invention.
Claims (7)
1. The utility model provides a battery state indicator, includes that the transparent post of indicator and cover are established installation cover on the transparent post of indicator, its characterized in that, the upper portion of installation cover inside wall is provided with the butt and is in the interior gum ring on the transparent post of indicator, the upper end of the transparent post of indicator has the holding ring, the lateral wall butt of holding ring is in on the interior gum ring, the lower extreme of interior gum ring still an organic whole is connected with the core gum ring, the lower terminal surface butt of holding ring is in on the core gum ring, the transparent post of indicator is in the position that is located the holding ring below is provided with more than one sealed bulge loop, sealed bulge loop embedding the core gum ring.
2. The battery status indicator of claim 1 wherein an upper portion of the outer side wall of the mounting sleeve is provided with an outer glue ring that abuts against the battery housing.
3. The battery status indicator of claim 2 wherein the inner rubber ring and/or the outer rubber ring is a rubber ring or a silicone ring.
4. The battery status indicator of claim 2, wherein the mounting sleeve has a through slot formed in an upper end surface thereof, and a first connecting strip integrally connected to the inner rubber ring and the outer rubber ring, respectively, is disposed in the through slot.
5. The battery status indicator of claim 4 wherein there are more than two through slots, each of said through slots being uniformly distributed about the axis of said mounting sleeve.
6. The battery state indicator of claim 1, wherein a sealing groove is formed in the outer side wall of the mounting sleeve, a glue filling hole for communicating the sealing groove with an inner cavity of the mounting sleeve is formed in the mounting sleeve, a second connecting strip integrally connected with the core glue ring is arranged in the glue filling hole, and a sealing glue ring integrally connected with the second connecting strip is arranged in the sealing groove.
7. The battery status indicator of claim 1 wherein the indicator transparent post is provided with a post seal ring at a location below the sealing collar, and wherein the mounting sleeve is integrally or interference fit connected with a sleeve seal ring that mates with the post seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006492.8A CN109524733B (en) | 2019-01-04 | 2019-01-04 | Accumulator state indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006492.8A CN109524733B (en) | 2019-01-04 | 2019-01-04 | Accumulator state indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109524733A CN109524733A (en) | 2019-03-26 |
| CN109524733B true CN109524733B (en) | 2023-12-29 |
Family
ID=65798908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910006492.8A Active CN109524733B (en) | 2019-01-04 | 2019-01-04 | Accumulator state indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109524733B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2298605Y (en) * | 1997-08-28 | 1998-11-25 | 胡志月 | Indicator for battery |
| CN2679870Y (en) * | 2003-12-19 | 2005-02-16 | 戴增实 | Improved structure of observable plastic article |
| KR20100000569U (en) * | 2008-07-09 | 2010-01-19 | 윤세형 | Battery condition indicator |
| CN201430173Y (en) * | 2009-06-25 | 2010-03-24 | 宁波金雄塑料有限公司 | Seal plastic cap for storage battery post |
| KR20120136005A (en) * | 2011-06-08 | 2012-12-18 | 세방전지(주) | Indicator of battery |
| CN202695672U (en) * | 2012-06-08 | 2013-01-23 | 中山市东升镇劲普塑料制品厂 | State indicator of storage battery |
| CN103410815A (en) * | 2013-08-08 | 2013-11-27 | 泉州市一鸣交通电器有限公司 | Combined installation sleeve for storage battery state indicator |
| CN203463649U (en) * | 2013-08-08 | 2014-03-05 | 泉州市一鸣交通电器有限公司 | Combined type improved structure of mounting sleeve of storage battery status indicator |
| CN203476937U (en) * | 2013-08-08 | 2014-03-12 | 泉州市一鸣交通电器有限公司 | Novel combined structure of storage battery state indicator installation sleeve |
| KR20150107967A (en) * | 2014-03-14 | 2015-09-24 | 세방전지(주) | Indicator with improved sealing power |
| CN209658347U (en) * | 2019-01-04 | 2019-11-19 | 泉州市一鸣交通电器有限公司 | A kind of storage battery state indicator |
-
2019
- 2019-01-04 CN CN201910006492.8A patent/CN109524733B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2298605Y (en) * | 1997-08-28 | 1998-11-25 | 胡志月 | Indicator for battery |
| CN2679870Y (en) * | 2003-12-19 | 2005-02-16 | 戴增实 | Improved structure of observable plastic article |
| KR20100000569U (en) * | 2008-07-09 | 2010-01-19 | 윤세형 | Battery condition indicator |
| CN201430173Y (en) * | 2009-06-25 | 2010-03-24 | 宁波金雄塑料有限公司 | Seal plastic cap for storage battery post |
| KR20120136005A (en) * | 2011-06-08 | 2012-12-18 | 세방전지(주) | Indicator of battery |
| CN202695672U (en) * | 2012-06-08 | 2013-01-23 | 中山市东升镇劲普塑料制品厂 | State indicator of storage battery |
| CN103410815A (en) * | 2013-08-08 | 2013-11-27 | 泉州市一鸣交通电器有限公司 | Combined installation sleeve for storage battery state indicator |
| CN203463649U (en) * | 2013-08-08 | 2014-03-05 | 泉州市一鸣交通电器有限公司 | Combined type improved structure of mounting sleeve of storage battery status indicator |
| CN203476937U (en) * | 2013-08-08 | 2014-03-12 | 泉州市一鸣交通电器有限公司 | Novel combined structure of storage battery state indicator installation sleeve |
| KR20150107967A (en) * | 2014-03-14 | 2015-09-24 | 세방전지(주) | Indicator with improved sealing power |
| CN209658347U (en) * | 2019-01-04 | 2019-11-19 | 泉州市一鸣交通电器有限公司 | A kind of storage battery state indicator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109524733A (en) | 2019-03-26 |
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