WO2021162661A1 - Procédé de fabrication d'un câble de raccordement flexible de type monotype - Google Patents

Procédé de fabrication d'un câble de raccordement flexible de type monotype Download PDF

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Publication number
WO2021162661A1
WO2021162661A1 PCT/TR2021/050098 TR2021050098W WO2021162661A1 WO 2021162661 A1 WO2021162661 A1 WO 2021162661A1 TR 2021050098 W TR2021050098 W TR 2021050098W WO 2021162661 A1 WO2021162661 A1 WO 2021162661A1
Authority
WO
WIPO (PCT)
Prior art keywords
flexible connection
monotype
producing
wire
connection cable
Prior art date
Application number
PCT/TR2021/050098
Other languages
English (en)
Inventor
Erhan Ergin
Original Assignee
Arvedo Aku Malzemeleri Sanayi Ve Dis Tic. Ltd. Sti.
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 Arvedo Aku Malzemeleri Sanayi Ve Dis Tic. Ltd. Sti. filed Critical Arvedo Aku Malzemeleri Sanayi Ve Dis Tic. Ltd. Sti.
Publication of WO2021162661A1 publication Critical patent/WO2021162661A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/241—Electric supplies
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H01M50/522—Inorganic material
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H01M50/524—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/025—Contact members formed by the conductors of a cable end
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B23K2101/38—Conductors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/12—Copper or alloys thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/28—End pieces consisting of a ferrule or sleeve
    • H01R11/281—End pieces consisting of a ferrule or sleeve for connections to batteries
    • H01R11/288—Interconnections between batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • H01R43/0214—Resistance welding
    • 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

Definitions

  • the invention relates to the intercellular connection cables used in the batteries and providing the serial or parallel connection of the battery cells with each other.
  • the invention is related to a method for producing the monotype flexible connection cable which provides the serial or parallel connection of the battery cells with each other by using the cable itself, without attaching the terminals or additional parts to both ends thereof, and also prevents the oxidation by sealing.
  • the traction batteries are the energy storage systems used in the mobile vehicles.
  • the forklifts, carrying or lifting platforms, underground mining locomotives, airport vehicles, ground cleaning machines and electric vehicles are the most common areas where the traction batteries are used.
  • the traction batteries are generally obtained by placing the 2-volt cells in an open-top steel case with the acid-resistant coating and connecting the poles of these cells with each other via the conductive connection cables.
  • a battery is obtained by connecting the 2-volt cells in series with the connection cables according to the desired voltage level.
  • the traction batteries are generally produced in the range of 12 volts-96 volts and 150Ah-1500Ah.
  • the cells of the traction batteries which can be designed according to the desired voltage and ampere values are connected with each other by using the flexible and non-flexible conductive connection elements.
  • the non-flexible connection elements are generally made of copper or lead bars.
  • the problems occur in adjusting the lengths of the cells in the installation, as well as the fractures due to the vibrations in the rough places during use. Due to these problems, the flexible connection elements produced from the multiple-wire copper cables have been started to be used instead of the non-flexible connection elements.
  • the flexible connection elements with the multiple-wire copper cables used in the traction batteries are manufactured in two ways.
  • the cable is first cut to the appropriate length, and the cable insulation layer at the ends is stripped at the predetermined dimensions, revealing a multiple-wire structure at both ends.
  • the terminals are connected to the ends of the multiple-wire structure by using various welding methods and the mounting holes are drilled. Afterwards, a flexible connection cable is obtained by covering the insulation layer onto this structure by means of the plastic injection method.
  • the terminals attached by the welding method may break off from the welding points in time. This break causes a fire as a result of the short circuit of the cable end.
  • there is an additional cost in terms of labor and raw materials due to the use of the terminal and the welding process applied.
  • Some of the welding methods used in the production method of the flexible connection cables are the ultrasonic metal welding technology and resistance welding method.
  • the non-ferrous metals are joined by the ultrasonic metal welding technology.
  • the friction is created by creating 20.000 or 40.000 ultrasonic vibrations per second on the product, and by melting the metals, they are adhered to each other under pressure.
  • the resistance welding method the MFDC (medium frequency DC) welding method
  • the MFDC (medium frequency DC) welding method is used, which is a new technology different from the classical resistance welding technique in the copper cable welding.
  • the thermal deformation and welding corrosion are at a minimum level in the direct current (DC) welding by converting the 50-Hz city electricity to the 1000-Hz medium frequency with the help of an inverter and rectifying it with a diode group. In this way, the deformation of the cables and burns on the weld are prevented.
  • the resistance welding method is carried out in two steps and the first step is ironing the material and the second step is boiling it. In fact, the so-called ironing process is preliminary for a standard welding process.
  • the part is made ready for the welding process with the pre-current and the ironing is carried out, and the part structure is integrated and becomes a flat structure.
  • the welding process is carried out by keeping the electrodes closed for a while, keeping the part under pressure for a short time after welding and then opening it.
  • the cable is cut to the appropriate length and the cable insulation layer at the ends is stripped at the predetermined dimensions and a multiple-wire structure is revealed at both ends.
  • the additional pieces of the suitable dimensions are engaged onto the said multiple-wire structure and the additional pieces are crushed to the appropriate thickness under the press.
  • the mounting holes are drilled on the additional parts on the multiple-wire structure obtained by crushing under the press, and a flexible connection cable is obtained as a result of coating the insulation layer on this structure by using the plastic injection method.
  • the document no. CN209249566 can be shown as an example of the state of the art.
  • the aforementioned document is related to the battery connection cable.
  • both ends of the connection wire are covered with a rubber sleeve and a hole is formed thereon.
  • the cost of the battery connection cable is high due to the aforementioned connection part.
  • the present invention relates to a monotype flexible connection cable which eliminates the above-mentioned disadvantages and brings the new advantages to the related technical field.
  • the main object of the invention is to obtain a monotype flexible connection cable which provides the serial or parallel connection of the battery cells with each other by using the cable itself, without attaching the terminals or additional parts to both ends thereof, and also prevents the oxidation by sealing.
  • the object of the invention is to eliminate the need for the terminals connected to the ends of the flexible connection cable by the welding method and consequently the risk of fire caused by the short circuit as a result of the breakage of the terminals.
  • Another object of the invention is to eliminate the need for the additional parts connected to the ends of flexible connection cables by the pressing method.
  • Another object of the invention is to reduce the production costs arising from the production methods of the flexible connection cables.
  • Another object of the invention is to reduce the cost of the flexible connection cables.
  • the invention is related to a method for producing the monotype flexible connection cable which is used in batteries and provides the serial or parallel connection of the battery cells with each other, in order to fulfill all the above-mentioned objects resulting from the detailed description, and the method comprises the process steps of: a) obtaining a multiple-wire structure consisting of at least one wire by combining the wires of the appropriate cross-sections and covering the cable insulation layer onto the multiple-wire structure, b) stripping the cable insulation layer at least one end of the multiple-wire structure consisting of at least one wire at the defined dimensions, c) converting at least one end of the multiple-wire structure consisting of at least one wire into an ironed mono-structure by using the ironing process of the welding method, d) drilling the mounting hole on at least one of the ironed mono-structures.
  • Figure 1 is the view of the multiple-wire structure and insulation layer of the method for producing the monotype flexible connection cable according to the invention.
  • Figure 2 is the peeled view of the cable insulation layer at both ends of the multiple- wire structure of the method for producing the monotype flexible connection cable according to the invention.
  • Figure 3 is the ironed mono-structure view of both ends of the multiple-wire structure of the method for producing the monotype flexible connection cable according to the invention.
  • Figure 4 is the view of the ironed mono-structure, having the drilled holes and the cut edges, of the method for producing the monotype flexible connection cable according to the invention.
  • Figure 5 is the final view of the ironed mono-structure, which is covered by the sealing caps, of the method for producing the monotype flexible connection cable according to the invention.
  • the invention relates to a method for producing the mono-type flexible connection cable (10) which is used in batteries and provides the serial or parallel connection of the battery cells with each other.
  • the method for producing the monotype flexible connection cable (10) according to the invention is as follows:
  • the multiple-wire structure (11) is obtained by combining the wires of the appropriate cross-sections, and the cable insulation layer (12) is covered onto the multiple-wire structure (11) by the extrusion method.
  • the multiple-wire structure (11) may consist of at least one wire.
  • the cable insulation layer (12) at least one end of the multiple-wire structure (11) is stripped at the defined dimensions.
  • At least one end of the multiple-wire structure (11) is converted into an ironed mono-structure (13) by using the ironing process of the resistance welding method.
  • the mounting hole (14) is drilled on at least one of the ironed mono-structures (13).
  • the edges of the ironed mono-structure (13) can be cut into the oval or rectangular shape.
  • the sealing caps (15) are covered onto the ironed mono-structure (13) by the plastic injection method and the monotype flexible connection cable (10) is obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'invention concerne un procédé de fabrication du câble de raccordement flexible de type monotype (10) qui est utilisé dans les batteries, assure la connexion en série ou en parallèle des éléments de batterie les uns avec les autres en utilisant le câble lui-même, sans fixer les bornes ou les parties supplémentaires aux deux extrémités de celui-ci, et empêche l'oxydation par scellement.
PCT/TR2021/050098 2020-02-11 2021-02-03 Procédé de fabrication d'un câble de raccordement flexible de type monotype WO2021162661A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2020/02028 2020-02-11
TR202002028 2020-02-11

Publications (1)

Publication Number Publication Date
WO2021162661A1 true WO2021162661A1 (fr) 2021-08-19

Family

ID=77291587

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2021/050098 WO2021162661A1 (fr) 2020-02-11 2021-02-03 Procédé de fabrication d'un câble de raccordement flexible de type monotype

Country Status (1)

Country Link
WO (1) WO2021162661A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6452101B1 (en) * 1998-08-11 2002-09-17 Hitachi, Ltd. Multi-core conductive wire and a method of manufacturing the same
EP1973200A1 (fr) * 2007-03-20 2008-09-24 Yazaki Europe Ltd. Connecteur
US20160250984A1 (en) * 2013-10-25 2016-09-01 Auto-Kabel Management Gmbh Electrical Connection Console for Motor Vehicle On-Board Electrical System Conductor
US20160276758A1 (en) * 2015-03-19 2016-09-22 Yazaki Corporation Electric wire with connecting terminal and method for manufacturing such electric wire
JP2016213059A (ja) * 2015-05-08 2016-12-15 矢崎総業株式会社 端子化電線

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6452101B1 (en) * 1998-08-11 2002-09-17 Hitachi, Ltd. Multi-core conductive wire and a method of manufacturing the same
EP1973200A1 (fr) * 2007-03-20 2008-09-24 Yazaki Europe Ltd. Connecteur
US20160250984A1 (en) * 2013-10-25 2016-09-01 Auto-Kabel Management Gmbh Electrical Connection Console for Motor Vehicle On-Board Electrical System Conductor
US20160276758A1 (en) * 2015-03-19 2016-09-22 Yazaki Corporation Electric wire with connecting terminal and method for manufacturing such electric wire
JP2016213059A (ja) * 2015-05-08 2016-12-15 矢崎総業株式会社 端子化電線

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