WO2014141579A1 - 鉛蓄電池用ブッシングおよび鉛蓄電池 - Google Patents

鉛蓄電池用ブッシングおよび鉛蓄電池 Download PDF

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Publication number
WO2014141579A1
WO2014141579A1 PCT/JP2014/000548 JP2014000548W WO2014141579A1 WO 2014141579 A1 WO2014141579 A1 WO 2014141579A1 JP 2014000548 W JP2014000548 W JP 2014000548W WO 2014141579 A1 WO2014141579 A1 WO 2014141579A1
Authority
WO
WIPO (PCT)
Prior art keywords
bushing
lead
acid battery
annular protrusion
continuous
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.)
Ceased
Application number
PCT/JP2014/000548
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
信典 大木
晃寛 佐野
亮太 菊地
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to CN201480002567.0A priority Critical patent/CN104685662B/zh
Priority to JP2014513837A priority patent/JP5604612B1/ja
Priority to IN2438DEN2015 priority patent/IN2015DN02438A/en
Publication of WO2014141579A1 publication Critical patent/WO2014141579A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M10/06—Lead-acid accumulators
    • H01M10/12—Construction or manufacture
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • H01M50/541—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges for lead-acid accumulators
    • 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
    • H01M50/147—Lids or covers
    • H01M50/155—Lids or covers characterised by the material
    • H01M50/157—Inorganic material
    • H01M50/159—Metals
    • 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
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/561—Hollow metallic terminals, e.g. terminal bushings
    • 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
    • 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

Definitions

  • the present invention relates to a lead-acid battery bushing and a lead-acid battery using the same.
  • electrode plate groups in which a positive electrode plate and a negative electrode plate are alternately opposed to each other via a separator are stored in cell chambers provided by partitioning the inside of the battery case with a partition plate. Different polarities of adjacent cell chambers are connected by a connecting member, and a pole column made of a lead alloy is connected to one polarity of the cell chambers at both ends.
  • the lid that closes the opening of the battery case is provided with an insert-molded lead alloy bushing, and the polarity is inserted into the bushing and integrated by welding, etc. It is composed.
  • the car manufacturer manages the torque within a certain range and assembles it to the car.
  • general users have an opportunity to tighten with a high torque value without torque management.
  • the bushing may be damaged or the airtightness between the bushing and the lid cannot be ensured when the tightening is repeated for maintenance.
  • Patent Document 1 describes a technique in which an annular protrusion is provided on the outer peripheral surface of a bushing, and a plurality of recesses are provided on the lower surface of the annular protrusion along the circumferential direction. As a result, the contact area between the bushing and the resin material of the lid is increased, so that the stress between the battery case and the bushing is reduced. Further, the resin material of the lid bites into the concave portion, thereby improving the resistance against tightening.
  • the present invention is for solving such problems, and provides a bushing for a lead storage battery in which the creeping of the electrolytic solution is suppressed and the resistance to tightening is high even when the tightening torque further increases. With the goal.
  • a lead-acid battery bushing according to the present invention is a lead-acid battery bushing that is insert-molded into a resinous lid.
  • An annular protrusion is formed, and a continuous cut portion is formed on a part of the entire circumference of the multiple-stage annular protrusion, and the cut is formed on the upper surface, side surface, and lower surface of the annular protrusion.
  • the shape is substantially V-shaped in plan view.
  • FIG. 1 is an external view showing the configuration of a lead-acid battery bushing 1 according to an embodiment of the present invention.
  • the lead-acid battery bushing 1 in this embodiment is a bushing that is insert-molded into a resinous lid.
  • the bushing 1 has a hollow cylindrical shape, and includes a main portion 2 having a hole for inserting a tip of a pole pole inside, and a plurality of annular projections 3 formed on the outer peripheral surface.
  • a continuous cut portion 4 is formed on a part of the entire circumference of the multi-step annular protrusion 3.
  • the cut 4 a is formed by cutting all of the upper surface, side surface, and lower surface of the annular protrusion 3. It is substantially V-shaped in plan view.
  • the contact area between the bushing 1 and the lid is formed by forming the notch 4a into a substantially V shape in plan view in which all of the upper surface, the side surface, and the lower surface of the annular protrusion 3 are cut.
  • the notches 4a are provided not only on the entire circumference of the annular protrusion 3, but on a part of the entire circumference, the distance when the electrolyte rises can be increased, and thus the electrolyte rises. Can be suppressed.
  • the stability when the bushing 1 is insert-molded into the lid can be improved.
  • FIG. 2 is a bottom view showing the configuration of a lead-acid battery bushing 1 according to another embodiment of the present invention.
  • the continuous cut portions 4 are formed at positions symmetrical to each other with respect to the central axis in the circumferential direction of the annular protrusion 3.
  • the bushing 1 becomes a well-balanced structure by forming the continuous cut portion 4 at a symmetrical position with respect to the central axis, the stability when casting the bushing 1 is improved. Can do.
  • the present invention is not limited to this.
  • the same effect can be obtained even when a plurality of the recessed portions 4 are formed in the circumferential direction of the annular protrusion 3 so as to be evenly dispersed.
  • the three continuous cut portions 4 may be formed at positions 120 degrees apart from each other with respect to the central axis in the circumferential direction of the annular protrusion 3.
  • FIG. 3 is an external view showing the configuration of a lead-acid battery bushing 1 according to an embodiment of the present invention.
  • the continuous cut portions 4 formed in each step of the annular protrusion 3 are formed at positions shifted in the circumferential direction.
  • the continuous cut portions 4 are formed so as not to be in the same position in the axial direction (vertical direction).
  • FIG. 4 is a schematic view showing a configuration of a lead storage battery including the bushing 1 according to the present invention.
  • the lead storage battery includes a battery case 6 having a plurality of cell chambers 6 b separated by a partition plate 6 a, an electrode group 5 accommodated in each cell chamber 6 b, and an annular protrusion 3 of the bushing 1. And a resinous lid 8 which is insert-molded so as to be embedded in the resin material.
  • the electrode group 5 the positive electrode plate 5a and the negative electrode plate 5b are alternately opposed via the separator 5c.
  • the polarities of the adjacent cell chambers 6b are connected to each other by a connecting member 7a.
  • One end of the pole 7b connected to one polarity of the cell chamber 6b at both ends is inserted into the hollow portion of the bushing 1 to constitute a terminal 9 integrated with the bushing 1.
  • the electrolytic solution is injected from a liquid port (not shown) provided on the lid 8, and the liquid port is closed with a liquid port plug 10.
  • the bushing 1, the connecting member 7a, and the pole column 7b are made of, for example, a lead alloy such as Pb—Sn or Pb—Sb.
  • the battery case 6 and the lid 8 are made of a resin material such as polypropylene, for example.
  • the number of cell chambers 6b provided in the battery case 6 is determined by the nominal voltage of the lead storage battery (series number, multiple of 2V).
  • the integration after the tip of the pole 7b is inserted into the bushing 1 is performed by welding, for example.
  • the bushing D is the same as the bushing D except that the continuous cut portions 4 formed at each step of the annular protrusion are formed at positions shifted in the circumferential direction. Was made.
  • a positive electrode plate 5a and a negative electrode plate 5b formed by applying a lead compound to a grid made of a lead alloy are alternately stacked with a polyethylene separator 5c facing each other.
  • the electrode plate group 5 is accommodated in six cell chambers 6b provided by dividing a battery case 6 made of polypropylene by a partition plate 6a, and different polarities of adjacent cell chambers 6b are connected by a connecting member 7a made of Pb-Sb. Connected, one polarity of the cell chamber 6b at both ends was connected to the pole column 7b made of Pb-Sb.
  • the lid 8 was produced by insert molding so that the above-described bushing A was embedded in the resin material (made of polypropylene).
  • insert molding was performed with a pressure input higher than usual. Then, the opening of the battery case 6 was closed and joined with the lid 8, and then the tip of the pole column 7 b was inserted into the hole of the main part 2 of the bushing A and welded to produce a terminal 9. Further, an appropriate amount of dilute sulfuric acid as an electrolytic solution is injected from the liquid port provided on the lid 8, and after the liquid port is closed with the liquid port plug 10, charging and discharging under predetermined conditions are performed, so that 12 V, 52 Ah (5 hour rate) Capacity) lead-acid battery A.
  • Table 1 shows the evaluation results.
  • the lead-acid battery C using the bushing C in which the notch 4a has a substantially V-shape with all of the upper surface, side surface, and lower surface of the annular protrusion 3 cut off is a bushing described in Patent Document 1.
  • the tightening torque resistance value is improved. This is considered to be due to the fact that the contact area between the lid 8 (resin material) and the bushing increased, thereby distributing the torque during tightening and increasing the anchor effect.
  • the lead-acid battery B using the bushing B in which the continuous notch 4 is provided on a part of the entire circumference of the annular protrusion 3 uses the bushing C in which the continuous notch 4 is provided on the entire circumference of the annular protrusion 3.
  • the creeping of the electrolyte is suppressed. This is considered to be because the distance at which the electrolyte crawls up can be lengthened by minimizing the continuous cut portion 4.
  • the lead storage battery A using the bushing A in which the continuous notch 4 is not provided in the uppermost stage among the plurality of stages of annular protrusions 3 is similar to the other stages in the uppermost annular protrusion 3.
  • the stability when the bushing is insert-molded into the lid 8 is increased.
  • the cut 4a is V-shaped, if the continuous cut portion 4 is also provided in the uppermost annular protrusion 3, the resin can easily flow out to the surface of the bushing 1 during insert molding. Covering is likely to occur.
  • the form of the bushing A is preferable to the bushing B because it shows a sufficient anti-tightening torque value even if the continuous notch 4 is not provided at the uppermost stage among the plural stages of the annular protrusions 3.
  • the lead acid battery D using the bushing D which provided the several continuous cut part 4 in the substantially target position in the circumferential direction of the annular protrusion 3 has the bushing A which provided the continuous cut part 4 only in one row in the axial direction.
  • the tightening torque value is improved, the electrolyte creeping up is suppressed, and the stability when the bushing is insert-molded into the lid 8 is also increased. This is considered to be because the structural balance is improved because not only a large number of the continuous cut portions 4 are provided, but also the substantially continuous positions in the circumferential direction.
  • the bushing D is more stable than the bushing C in casting.
  • the lead-acid battery E using the bushing E in which the continuous cut portions 4 of the plurality of stages of the annular protrusions 3 are not located at the same position in the axial direction has a bushing in which the continuous cut portions 4 are provided in a substantially straight line in the axial direction.
  • the tightening torque resistance value is further improved.
  • this difference is slight, it is considered that the torque in the direction perpendicular to the axis is improved because the substantially V-shaped cut 4a has a cross structure. Thereby, even when a load in the direction perpendicular to the axis is generated when the lead-acid batteries are stacked up and down during transportation, etc., the lead-acid batteries can sufficiently withstand.
  • the lead storage battery using the present invention is extremely useful industrially because it prevents the electrolyte from creeping up and has high resistance to tightening.

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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)
  • Inorganic Chemistry (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Connection Of Batteries Or Terminals (AREA)
PCT/JP2014/000548 2013-03-15 2014-02-03 鉛蓄電池用ブッシングおよび鉛蓄電池 Ceased WO2014141579A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201480002567.0A CN104685662B (zh) 2013-03-15 2014-02-03 铅蓄电池用衬套以及铅蓄电池
JP2014513837A JP5604612B1 (ja) 2013-03-15 2014-02-03 鉛蓄電池用ブッシングおよび鉛蓄電池
IN2438DEN2015 IN2015DN02438A (enExample) 2013-03-15 2014-02-03

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-052851 2013-03-15
JP2013052851 2013-03-15

Publications (1)

Publication Number Publication Date
WO2014141579A1 true WO2014141579A1 (ja) 2014-09-18

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PCT/JP2014/000548 Ceased WO2014141579A1 (ja) 2013-03-15 2014-02-03 鉛蓄電池用ブッシングおよび鉛蓄電池

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Country Link
JP (1) JP5604612B1 (enExample)
CN (1) CN104685662B (enExample)
IN (1) IN2015DN02438A (enExample)
WO (1) WO2014141579A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016219353A (ja) * 2015-05-25 2016-12-22 株式会社Ｇｓユアサ 鉛蓄電池

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200328398A1 (en) * 2017-10-25 2020-10-15 Clarios Advanced Solutions Gmbh Connection pole for a rechargeable battery and rechargeable-battery housing
US11239534B2 (en) * 2018-12-11 2022-02-01 GM Global Technology Operations LLC Compression clamp battery connection system
CN113574418B (zh) * 2019-04-15 2023-07-18 实干研究株式会社 气象预测数据创建程序、气象预测数据创建方法及移动体

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154065U (enExample) * 1981-03-24 1982-09-28
JPH06208850A (ja) * 1992-09-03 1994-07-26 Water Gremlin Co バッテリ端子並びにその製造装置及び製造方法
JP2003123735A (ja) * 2001-10-11 2003-04-25 Japan Storage Battery Co Ltd 蓄電池
JP2003317677A (ja) * 2002-04-26 2003-11-07 Matsushita Electric Ind Co Ltd 鉛蓄電池
US20090297943A1 (en) * 2008-06-03 2009-12-03 Matthew Bielawski Battery with a molded in-front terminal
JP2010238552A (ja) * 2009-03-31 2010-10-21 Furukawa Battery Co Ltd:The 鉛蓄電池

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004235050A (ja) * 2003-01-31 2004-08-19 Yuasa Corp 鉛蓄電池
JP5244442B2 (ja) * 2008-04-15 2013-07-24 古河電池株式会社 鉛蓄電池用のブッシング

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154065U (enExample) * 1981-03-24 1982-09-28
JPH06208850A (ja) * 1992-09-03 1994-07-26 Water Gremlin Co バッテリ端子並びにその製造装置及び製造方法
JP2003123735A (ja) * 2001-10-11 2003-04-25 Japan Storage Battery Co Ltd 蓄電池
JP2003317677A (ja) * 2002-04-26 2003-11-07 Matsushita Electric Ind Co Ltd 鉛蓄電池
US20090297943A1 (en) * 2008-06-03 2009-12-03 Matthew Bielawski Battery with a molded in-front terminal
JP2010238552A (ja) * 2009-03-31 2010-10-21 Furukawa Battery Co Ltd:The 鉛蓄電池

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016219353A (ja) * 2015-05-25 2016-12-22 株式会社Ｇｓユアサ 鉛蓄電池

Also Published As

Publication number Publication date
CN104685662A (zh) 2015-06-03
JPWO2014141579A1 (ja) 2017-02-16
CN104685662B (zh) 2016-08-24
JP5604612B1 (ja) 2014-10-08
IN2015DN02438A (enExample) 2015-09-04

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