CN105761932A - Square aluminum electrolytic capacitor - Google Patents

Square aluminum electrolytic capacitor Download PDF

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Publication number
CN105761932A
CN105761932A CN201610039484.XA CN201610039484A CN105761932A CN 105761932 A CN105761932 A CN 105761932A CN 201610039484 A CN201610039484 A CN 201610039484A CN 105761932 A CN105761932 A CN 105761932A
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CN
China
Prior art keywords
connector
square aluminum
corrosion resistant
resistant plate
aluminum electrolysis
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Application number
CN201610039484.XA
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Chinese (zh)
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CN105761932B (en
Inventor
贾明
汤依伟
艾亮
洪树
杜双龙
张超
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Central South University
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Central South University
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Priority to CN201610039484.XA priority Critical patent/CN105761932B/en
Publication of CN105761932A publication Critical patent/CN105761932A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/08Housing; Encapsulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/08Cooling arrangements; Heating arrangements; Ventilating arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/008Terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/042Electrodes or formation of dielectric layers thereon characterised by the material
    • H01G9/045Electrodes or formation of dielectric layers thereon characterised by the material based on aluminium

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Prevention Of Electric Corrosion (AREA)

Abstract

The invention discloses a square aluminum electrolytic capacitor, which comprises a core cladding and a shell, wherein the shell accommodates the core cladding via a sealing connection assembly; the sealing connection assembly comprises two connectors with I-shaped cross sections, a stainless steel plate, rubber rings, a positive electrode lead wire and a negative electrode lead wire; the positive electrode connection sheet and the negative electrode connection sheet of the core cladding are connected with the positive electrode lead wire and the negative electrode lead wire via the connectors respectively; the connectors are fixedly connected onto the stainless steel plate via the rubber rings; and the stainless steel plate and the shell are in sealed connection. The core cladding is packaged in the shell via the stainless steel plate, the cooling effects are good, and the operation is easy. The positive electrode connection sheet and the negative electrode connection sheet are connected with the connectors via the connection rings, the positive electrode lead wire and the negative electrode lead wire are connected with the connectors through butt joint, each connection point is stable, and thus the stability of the square aluminum electrolytic capacitor is enhanced. As the stainless steel plate is in sealed connection with the connectors through squeezing the rubber rings, the structure is simple, and the sealing effects are good.

Description

A kind of square aluminum electrolysis condenser
Technical field
The present invention relates to electronic applications, particularly relate to a kind of square aluminum electrolysis condenser.
Background technology
Large-scale aluminum electrolysis capacitor has generally comprised core bag, shell, cover plate and extraction electrode.Wherein, core bag includes kernel, and kernel system is formed by positive and negative electrode electrolytic aluminum foil, electrolyte and electrolytic paper winding.Kernel occupies most of volume of whole large-scale aluminum electrolysis capacitor product, and its weight is also part the heaviest in whole large-scale aluminum electrolysis capacitor.Its volume is big, weight is big, is encapsulated in whole large-scale aluminum electrolysis capacitor becomes a great problem so being fixed.At present, large-scale aluminum electrolysis capacitor is typically all employing gel or Colophonium is fixing to be encapsulated.But, adopt gel or Colophonium encapsulation to fix and the combustible organic deal of large-scale aluminum electrolysis capacitor is increased, add the risk of aluminium electrolutic capacitor;It addition, adopt the weight that gel or Colophonium are easily caused aluminium electrolutic capacitor to increase, and the volume of aluminium electrolutic capacitor is increased.Further, the bad control of loading of gel or Colophonium, and both of which is high temperature melting filling, has certain danger.And adopting gel or Colophonium to be also easy to cause that large-scale aluminum electrolysis capacitor heat conductivity is low so that the kernel thermal diffusivity of large-scale aluminum electrolysis capacitor is bad, and then has influence on the life-span of large-scale aluminum electrolysis capacitor.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, it is provided that a kind of good heat dissipation, simple to operate and good sealing effect square aluminum electrolysis condenser.
For solving above-mentioned technical problem, the technical scheme that the present invention proposes is:, a kind of square aluminum electrolysis condenser, including core bag and shell, core bag is housed by described shell by sealing connecting component, and it is I-shaped connector, corrosion resistant plate, rubber ring, positive wire and negative wire that sealing connecting component includes two cross sections;Positive strap and the negative straps of described core bag are connected with positive wire and negative wire respectively through connector, and described connector is fixedly connected on corrosion resistant plate by rubber ring, is tightly connected between corrosion resistant plate and shell.
Above-mentioned square aluminum electrolysis condenser, preferably, the cross section of described rubber ring is I-shaped, and is arranged in the cannelure of connector, being provided with the connection through hole being connected with rubber ring on described corrosion resistant plate, described corrosion resistant plate is tightly connected with connector by extruding rubber ring.
Above-mentioned square aluminum electrolysis condenser, it is preferred that the thickness of described corrosion resistant plate is between 3mm-6mm.
Above-mentioned square aluminum electrolysis condenser, it is preferred that described connector making of pure aluminum.
Above-mentioned square aluminum electrolysis condenser, it is preferred that described positive wire and negative wire are connected on connector each through the mode of butt-joint.
Above-mentioned square aluminum electrolysis condenser, it is preferred that be provided with the connection ring being connected with positive strap or negative straps on described connector.
Above-mentioned square aluminum electrolysis condenser, it is preferred that described corrosion resistant plate is connected with body seal by the connected mode of full weld.
Compared with prior art, it is an advantage of the current invention that: in the present invention by corrosion resistant plate by core encapsulation in the enclosure, good heat dissipation effect, and easily operate.In the present invention, positive strap and negative straps are connected with connector by connecting ring, and positive wire and negative wire are connected with connector by butt-joint;Each junction point is stable so that the stability of square aluminum electrolysis condenser of the present invention strengthens.In the present invention, corrosion resistant plate is tightly connected by extruding rubber ring and connector, simple in construction and good sealing effect.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of square aluminum electrolysis condenser of the present invention.
Fig. 2 is the structure enlarged diagram in Fig. 1 in circle.
Marginal data
1, core bag;2, shell;3, connector;4, corrosion resistant plate;5, rubber ring;6, positive wire;7, negative wire;8, positive strap;9, negative straps;10, ring is connected.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with Figure of description and preferred embodiment, the present invention is made more comprehensively, describes meticulously, but protection scope of the present invention is not limited to embodiment in detail below.
It should be noted that, when a certain element is described as on " be fixed on, be fixed in, be connected to or be communicated in " another element, it can be directly fixing, affixed, connect or connection is on another element, it is also possible to be by fixing, affixed, the connection indirectly of other intermediate connectors or connect on another element.
Unless otherwise defined, the implication that all technical term used hereinafter is generally understood that with those skilled in the art is identical.Technical term used herein is intended merely to the purpose describing specific embodiment, is not intended to limit the scope of the invention.
Embodiment
A kind of square aluminum electrolysis condenser as depicted in figs. 1 and 2, including core bag 1 and shell 2, core bag 1 is housed by shell 2 by sealing connecting component, and it is I-shaped connector 3, the corrosion resistant plate 4 of 5mm, rubber ring 5, positive wire 6 and negative wire 7 that sealing connecting component includes two by making of pure aluminum, cross section;Positive strap 8 and the negative straps 9 of core bag 1 are connected with positive wire 6 and negative wire 7 respectively through connector 3, and connector 3 is fixedly connected on corrosion resistant plate 4 by rubber ring 5, is tightly connected between corrosion resistant plate 4 and shell 2.The cross section of rubber ring 5 is I-shaped, and is arranged in the cannelure of connector 3, and corrosion resistant plate 4 is provided with the connection through hole being connected with rubber ring 5, and corrosion resistant plate 4 is tightly connected with connector 3 by extruding rubber ring 5.
In the present embodiment, positive wire 6 and negative wire 7 are connected on connector 3 each through the mode of butt-joint.Connector 3 is provided with the connection ring 10 being connected with positive strap 8 or negative straps 9.
In the present embodiment, corrosion resistant plate 4 is tightly connected by the connected mode of full weld and shell 2.
In the present embodiment by corrosion resistant plate by core encapsulation in the enclosure, good heat dissipation effect, and easily operate.In the present embodiment, positive strap and negative straps are connected with connector by connecting ring, and positive wire and negative wire are connected with connector by butt-joint;Each junction point is stable so that the stability of the present embodiment square aluminum electrolysis condenser strengthens.In the present embodiment, corrosion resistant plate is tightly connected by extruding rubber ring and connector, simple in construction and good sealing effect.

Claims (7)

1. a square aluminum electrolysis condenser, including core bag and shell, it is characterized in that: core bag is housed by described shell by sealing connecting component, and it is I-shaped connector, corrosion resistant plate, rubber ring, positive wire and negative wire that sealing connecting component includes two cross sections;Positive strap and the negative straps of described core bag are connected with positive wire and negative wire respectively through connector, and described connector is fixedly connected on corrosion resistant plate by rubber ring, is tightly connected between corrosion resistant plate and shell.
2. square aluminum electrolysis condenser according to claim 1, it is characterized in that: the cross section of described rubber ring is I-shaped, and it is arranged in the cannelure of connector, being provided with the connection through hole being connected with rubber ring on described corrosion resistant plate, described corrosion resistant plate is tightly connected with connector by extruding rubber ring.
3. to remove the square aluminum electrolysis condenser described in 2 according to right, it is characterised in that: the thickness of described corrosion resistant plate is between 3mm-6mm.
4. square aluminum electrolysis condenser according to claim 1, it is characterised in that: described connector making of pure aluminum.
5. the square aluminum electrolysis condenser according to any one of claim 1-4, it is characterised in that: described positive wire and negative wire are connected on connector each through the mode of butt-joint.
6. square aluminum electrolysis condenser according to claim 5, it is characterised in that: described connector is provided with the connection ring being connected with positive strap or negative straps.
7. the square aluminum electrolysis condenser according to any one of claim 1-4, it is characterised in that: described corrosion resistant plate is connected with body seal by the connected mode of full weld.
CN201610039484.XA 2016-01-21 2016-01-21 A kind of rectangular aluminium electrolutic capacitor Active CN105761932B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610039484.XA CN105761932B (en) 2016-01-21 2016-01-21 A kind of rectangular aluminium electrolutic capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610039484.XA CN105761932B (en) 2016-01-21 2016-01-21 A kind of rectangular aluminium electrolutic capacitor

Publications (2)

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CN105761932A true CN105761932A (en) 2016-07-13
CN105761932B CN105761932B (en) 2018-12-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106548869A (en) * 2016-09-30 2017-03-29 铜陵其利电子材料有限公司 A kind of capacitor lead wire structure
CN108305787A (en) * 2017-12-12 2018-07-20 湖南艾华集团股份有限公司 The production method of small-sized square capacitor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090181297A1 (en) * 2008-01-15 2009-07-16 Panasonic Corporation Storage cell
CN101714616A (en) * 2009-11-17 2010-05-26 凯迈嘉华(洛阳)新能源有限公司 Electrode leading structure and electricity storage electric element adopting thereof
CN104465079A (en) * 2014-11-21 2015-03-25 西安交通大学 Low noise power capacitor adopting double casing structure with damping
CN204792462U (en) * 2015-06-21 2015-11-18 周俊瑶 Welding formula cylindricality farad electric capacity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090181297A1 (en) * 2008-01-15 2009-07-16 Panasonic Corporation Storage cell
CN101714616A (en) * 2009-11-17 2010-05-26 凯迈嘉华(洛阳)新能源有限公司 Electrode leading structure and electricity storage electric element adopting thereof
CN104465079A (en) * 2014-11-21 2015-03-25 西安交通大学 Low noise power capacitor adopting double casing structure with damping
CN204792462U (en) * 2015-06-21 2015-11-18 周俊瑶 Welding formula cylindricality farad electric capacity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106548869A (en) * 2016-09-30 2017-03-29 铜陵其利电子材料有限公司 A kind of capacitor lead wire structure
CN108305787A (en) * 2017-12-12 2018-07-20 湖南艾华集团股份有限公司 The production method of small-sized square capacitor

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