JP2010244895A - Compression connection terminal for aluminum conductors, and connection method thereof - Google Patents

Compression connection terminal for aluminum conductors, and connection method thereof Download PDF

Info

Publication number
JP2010244895A
JP2010244895A JP2009093300A JP2009093300A JP2010244895A JP 2010244895 A JP2010244895 A JP 2010244895A JP 2009093300 A JP2009093300 A JP 2009093300A JP 2009093300 A JP2009093300 A JP 2009093300A JP 2010244895 A JP2010244895 A JP 2010244895A
Authority
JP
Japan
Prior art keywords
conductor
aluminum
compression
connection
terminal
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.)
Pending
Application number
JP2009093300A
Other languages
Japanese (ja)
Inventor
Toshiyuki Horikoshi
稔之 堀越
Hideyuki Sagawa
英之 佐川
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable Ltd
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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP2009093300A priority Critical patent/JP2010244895A/en
Publication of JP2010244895A publication Critical patent/JP2010244895A/en
Pending legal-status Critical Current

Links

Images

Abstract

<P>PROBLEM TO BE SOLVED: To provide a compression connection terminal for an aluminum conductor that can be connected only by compression in which less number of connection man-hour is sufficient and groove working is easy and inexpensive, and problems of creeping phenomenon and conductor strength reduction by compression can be coped with fully, and to provide a connection method thereof. <P>SOLUTION: The compression connection terminal 1 for the aluminum conductor consists of aluminum or aluminum alloy having aluminum as the main component, in which a spiral state screw groove 6 is formed on the inner face of the contact terminal 3 in contact with the aluminum conductor 2. The depth of the screw groove 6 is 1/10 or more and 1/5 or less of the diameter of the conductor 2. In the case the conductor 2 is made of stranded wires in which a plurality of element wires are twisted, the depth is 1/2 or more and 1 or less of the diameter of the element wire. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、アルミニウム又はアルミニウムを主成分とするアルミニウム合金を導体とする電線・ケーブルの接続に際して用いられるアルミニウム導体用圧縮接続端子とその接続方法に関するものである。   The present invention relates to a compression connecting terminal for an aluminum conductor used when connecting an electric wire / cable using aluminum or an aluminum alloy containing aluminum as a main component as a conductor, and a connecting method thereof.

一般に、電線・ケーブルの接続端子を構成する金属材料としては、純銅のほか、黄銅、りん青銅、洋白等の銅を主成分とする銅合金が使用されている。また、この接続端子の、電線・ケーブルの導体と接する接触端子の内面には、電気的接触性を確保するなどの理由から、錫やニッケルなどの金属がめっきされることが多い。これらの金属は、いずれも鉄鋼リサイクルの観点から、できるだけ使用を避けたい金属である。   In general, as a metal material constituting the connection terminal of the electric wire / cable, a copper alloy containing copper as a main component such as brass, phosphor bronze, and white is used in addition to pure copper. Further, the inner surface of the contact terminal of the connection terminal that contacts the conductor of the electric wire / cable is often plated with a metal such as tin or nickel for the purpose of ensuring electrical contact. These metals are all metals that should be avoided as much as possible from the viewpoint of steel recycling.

すなわち、近年、鉄鋼スクラップ中に含まれる銅をはじめとする特定の金属の存在が問題になっているが、これはリサイクルされた鉄鋼中に銅(Cu)をはじめとする錫(Sn)、ニッケル(Ni)、クロム(Cr)などの金属が含まれていると、関係する鉄鋼製品の表面に割れや傷が発生するなど、鉄鋼製品の品質を低下させるからである。また、銅、錫、ニッケル、クロム等の金属は、いずれも鉄鋼スクラップをリサイクルする上で溶解された鉄鋼溶湯から除去することが非常に困難な金属であることから、鉄鋼リサイクルを繰り返す毎に濃縮され、関係する鉄鋼製品の品質をさらに低下させる原因となっている。このため、鉄鋼リサイクルにあたっては、自動車や家電製品などの鉄スクラップから電線・ケーブルやその接続端子類を取り除くことが行われていると共に、これら電線・ケーブルや接続端子類を構成する金属材料についても、銅、錫、ニッケル、クロム等の金属以外の金属材料の使用が望まれている。   That is, in recent years, the existence of specific metals such as copper contained in steel scrap has become a problem. This is because if a metal such as (Ni) or chromium (Cr) is contained, the quality of the steel product is deteriorated, for example, the surface of the related steel product is cracked or scratched. In addition, metals such as copper, tin, nickel, and chromium are all difficult to remove from molten steel when recycling steel scrap, so they are concentrated every time steel recycling is repeated. This is a cause of further deterioration of the quality of the related steel products. For this reason, in steel recycling, electric wires / cables and their connection terminals are removed from scrap steel such as automobiles and home appliances, and the metal materials constituting these electric wires / cables and connection terminals are also used. The use of metal materials other than metals such as copper, tin, nickel, and chromium is desired.

他方、近年における銅価高騰および将来的な銅資源の枯渇化を受けて、銅に代わる代替材料の検討が行われている。例えば、配線用電線・ケーブルの導体としては、アルミニウム又はアルミニウム合金の使用が検討されており、その接続端子を構成する金属材料についても、アルミニウム又はアルミニウム合金や、あるいは、鉄鋼材料とアルミニウム合金材料を組み合わせた複合金属材料の使用が試みられている(特許文献1)。   On the other hand, in response to the recent rise in copper prices and the depletion of copper resources in the future, alternative materials to replace copper have been studied. For example, the use of aluminum or an aluminum alloy has been studied as a conductor for wires and cables for wiring, and aluminum or aluminum alloy, or steel material and aluminum alloy material are also used as the metal material constituting the connection terminal. Attempts have been made to use combined composite metal materials (Patent Document 1).

しかしながら、配線用電線・ケーブルの接続端子として、接続工数が少なくて済む圧縮接続端子を用いた圧縮接続方法では、図9及び図10に示されるように、圧縮接続端子10の、導体20と接する接触端子30の内面40に導体20を配置して、両者を機械的に圧縮し接続することから、導体20と接触端子30との接合界面は、圧縮力によって機械的に接触しているだけである。このため、前記圧縮接続端子10を前記アルミニウム又はアルミニウム合金や前記複合金属材料により構成した場合は、アルミニウム又はアルミニウム合金に起こり易いクリープと呼ばれる現象により、圧縮力が加わった状態で長時間経過すると、アルミニウム又はアルミニウム合金が塑性変形するという問題がある。この結果、接続部の圧縮力が緩和することによって、接続部の圧縮が緩み、接触抵抗が増加し、ジュール熱が発生する。しかも、前記したクリープによる塑性変形は高温になるほど起こり易いことから、前記したジュール熱の発生によって、さらに塑性変形が進み、圧縮が緩んで接触抵抗が増加し、ジュール熱が発生するという悪循環(サイクル)が繰り返されることにより、遂には接続部が破壊する事態に至る。また、アルミニウム又はアルミニウム合金は、その表面に強固な酸化皮膜を形成することから、圧縮接続により良好な電気的導通を得るためには、圧縮接続時にアルミニウム又はアルミニウム合金の表面の酸化皮膜を破壊してその表面を活性化させる必要があり、このためには圧縮接続時の圧縮率を例えば銅の場合と比較して大きくする必要がある。しかし、圧縮率を大きくした場合は、接続部分の導体20が圧縮により局部的に細くなり、導体強度が低下して破断し易くなるという問題がある。なお、図9及び図10において、50は圧縮接続端子10の他端に形成されたボルト穴である。   However, in the compression connection method using the compression connection terminal that requires less connection man-hours as the connection terminal of the electric wire / cable for wiring, as shown in FIGS. 9 and 10, the compression connection terminal 10 contacts the conductor 20. Since the conductor 20 is disposed on the inner surface 40 of the contact terminal 30 and both are mechanically compressed and connected, the joining interface between the conductor 20 and the contact terminal 30 is merely mechanically contacted by the compressive force. is there. For this reason, when the compression connection terminal 10 is made of the aluminum or aluminum alloy or the composite metal material, due to a phenomenon called creep that is likely to occur in the aluminum or aluminum alloy, when a compressive force is applied for a long time, There is a problem that aluminum or an aluminum alloy undergoes plastic deformation. As a result, the compressive force of the connecting portion is relaxed, so that the compression of the connecting portion is loosened, the contact resistance is increased, and Joule heat is generated. Moreover, since plastic deformation due to creep is more likely to occur at higher temperatures, the generation of Joule heat further promotes plastic deformation, loosens compression, increases contact resistance, and generates Joule heat (cycle). ) Is repeated until the connection part is finally destroyed. In addition, since aluminum or aluminum alloy forms a strong oxide film on its surface, in order to obtain good electrical conduction by compression connection, the oxide film on the surface of aluminum or aluminum alloy is destroyed during compression connection. Therefore, the surface needs to be activated, and for this purpose, it is necessary to increase the compression rate at the time of compression connection compared to, for example, copper. However, when the compression ratio is increased, there is a problem that the conductor 20 at the connection portion is locally thinned by the compression, the conductor strength is reduced, and the conductor 20 is easily broken. 9 and 10, reference numeral 50 denotes a bolt hole formed at the other end of the compression connection terminal 10.

このため、アルミニウム又はアルミニウム合金を構成材料とする接続端子を用いた接続方法では、接続部分をレーザ照射により加熱したり、接続部分を電極を通じて通電により発熱させたり、あるいは接続部分に超音波振動を与えることにより、導体と接続端子を金属的に接続する方法が行われている。   For this reason, in a connection method using a connection terminal made of aluminum or an aluminum alloy, the connection portion is heated by laser irradiation, the connection portion is heated by energization through an electrode, or ultrasonic vibration is applied to the connection portion. By giving, the method of connecting a conductor and a connection terminal metallically is performed.

一方、関連する先行技術文献として、特許文献2には、アルミニウム又はアルミニウム合金からなる、アルミ電線用圧着端子として、アルミ導体と接触されるベース及びアルミ導体を受止する左右の圧着片の内側表面に、導体長さ方向に対して斜めに延びるセレーション(溝)を形成することにより、圧着の際に導体表面の酸化皮膜を破壊しつつ良好な接続を可能とし、さらに、アルミ電線が長さ方向から引張力を受けたときの導体の耐引抜強度を高めることができる、アルミ電線用圧着端子が記載されている。   On the other hand, as a related prior art document, Patent Document 2 includes, as a crimp terminal for an aluminum electric wire, made of aluminum or an aluminum alloy, a base in contact with the aluminum conductor and inner surfaces of the left and right crimping pieces that receive the aluminum conductor. In addition, by forming serrations (grooves) extending obliquely with respect to the conductor length direction, it is possible to achieve a good connection while destroying the oxide film on the conductor surface during crimping. There is described a crimp terminal for an aluminum electric wire that can increase the pull-out strength of a conductor when subjected to a tensile force.

また、特許文献3には、圧着部内面にセレーションを設けたアルミ撚線用圧着端子として、セレーションを構成する溝の深さdとアルミ素線の径eの比d/eが0.33以上であり、前記溝の数が3以上である構成とすることにより、圧着時にアルミ素線表面の酸化皮膜を破壊して良好な電気的接続性が得られると共に、アルミ撚線の抜けも防止でき機械的接続性にも優れた、アルミ撚線用圧着端子が記載されている。また、同文献3には、前記圧着端子は、銅、銅合金、アルミニウム、アルミニウム合金などの導電性金属板で作製できる、と記載されている。   Further, in Patent Document 3, as a crimp terminal for an aluminum stranded wire having serrations on the inner surface of the crimping portion, the ratio d / e of the groove depth d and the aluminum wire diameter e is 0.33 or more. By adopting a configuration in which the number of the grooves is 3 or more, the oxide film on the surface of the aluminum element wire can be destroyed during crimping to obtain good electrical connectivity, and the aluminum twisted wire can be prevented from coming off. A crimp terminal for twisted aluminum wire having excellent mechanical connectivity is described. Further, Patent Document 3 describes that the crimp terminal can be made of a conductive metal plate such as copper, copper alloy, aluminum, and aluminum alloy.

特開2004−200018号公報JP 2004-200018 A 特開2003−249284号公報JP 2003-249284 A 特開2007−173215号公報JP 2007-173215 A

前記したように、アルミニウム又はアルミニウム合金を構成材料とする圧縮接続端子を用いた圧縮接続方法では、クリープと呼ばれる現象により、アルミニウム又はアルミニウム合金が塑性変形し、接続部の圧縮力が緩和して圧縮が緩み、接触抵抗が増加し、ジュール熱が発生するという悪循環(サイクル)が繰り返されることにより、遂には接続部が破壊する事態に至るという問題がある。また、アルミニウム又はアルミニウム合金は、その表面に強固な酸化皮膜を形成することから、圧縮接続により良好な電気的導通を得るためには、圧縮接続時にアルミニウム又はアルミニウム合金の表面の酸化皮膜を破壊してその表面を活性化させる必要がある。このためには圧縮接続時の圧縮率を例えば銅の場合と比較して大きくする必要があるが、圧縮率を大きくした場合は、接続部分の導体が圧縮により局部的に細くなり、強度が低下して破断し易くなるという問題がある。   As described above, in the compression connection method using the compression connection terminal made of aluminum or aluminum alloy, aluminum or the aluminum alloy is plastically deformed due to a phenomenon called creep, and the compression force of the connection portion is relaxed and compressed. However, there is a problem that the connection part is eventually destroyed by repeating the vicious cycle (cycle) in which the contact resistance increases, the contact resistance increases, and Joule heat is generated. In addition, since aluminum or aluminum alloy forms a strong oxide film on its surface, in order to obtain good electrical conduction by compression connection, the oxide film on the surface of aluminum or aluminum alloy is destroyed during compression connection. It is necessary to activate the surface. For this purpose, it is necessary to increase the compression ratio at the time of compression connection compared to the case of copper, for example. However, when the compression ratio is increased, the conductor of the connection portion is locally thinned by the compression and the strength is reduced. As a result, there is a problem that it is easy to break.

この対策として、接続部分をレーザ照射により加熱したり、接続部分を電極を通じて通電により発熱させたり、あるいは接続部分に超音波振動を与えることにより、導体と接続端子を金属的に接続する方法が行われているが、これらの方法は、いずれも圧縮だけの接続方法と比較すると、接続時間と共に接続工数が大幅に増えるという問題がある。   As countermeasures against this, there is a method of metallicly connecting the conductor and the connection terminal by heating the connection portion by laser irradiation, heating the connection portion by energization through the electrode, or applying ultrasonic vibration to the connection portion. However, both of these methods have a problem that the number of connection man-hours greatly increases with the connection time as compared with the connection method only of compression.

一方、特許文献2には、アルミニウム又はアルミニウム合金からなる、アルミ電線用圧着端子として、アルミ導体と接触されるベース及びアルミ導体を受止する左右の圧着片の内側表面に、導体長さ方向に対して斜めに延びるセレーション(溝)を形成することにより、圧着の際に導体表面の酸化皮膜を破壊しつつ良好な接続を可能とし、さらに、アルミ電線が長さ方向から引張力を受けたときの導体の耐引抜強度を高めることができる、アルミ電線用圧着端子が記載されている。しかし、この圧着端子の特徴は、斜めに延びるセレーション(溝)のアンカー効果により導体表面の酸化皮膜の破壊及び導体の耐引抜強度の向上を図ることにあり、この圧着端子によれば、アルミ導体やアルミ素線の大きさ(直径)に対応する溝の大きさについては何も言及されていないので、クリープと呼ばれる現象には十分対応することができない。   On the other hand, in Patent Document 2, as a crimp terminal for an aluminum wire made of aluminum or an aluminum alloy, on the inner surface of the left and right crimping pieces that receive the base and the aluminum conductor in contact with the aluminum conductor, in the conductor length direction. By forming serrations (grooves) that extend diagonally, it is possible to achieve a good connection while destroying the oxide film on the conductor surface during crimping, and when the aluminum wire receives a tensile force from the length direction. A crimp terminal for an aluminum electric wire that can increase the pull-out strength of the conductor is described. However, the feature of this crimp terminal is that the oxide film on the conductor surface is destroyed and the pull-out strength of the conductor is improved by the anchor effect of the serrations (grooves) extending diagonally. No mention is made of the size of the groove corresponding to the size (diameter) of the aluminum wire, and it cannot sufficiently cope with the phenomenon called creep.

また、特許文献3には、圧着部内面にセレーションを設けたアルミ撚線用圧着端子として、セレーションを構成する溝の深さdとアルミ素線の径eの比d/eが0.33以上であり、前記溝の数が3以上である構成とすることにより、圧着時にアルミ素線表面の酸化皮膜を破壊して良好な電気的接続性が得られると共に、アルミ撚線の抜けも防止でき機械的接続性にも優れた、アルミ撚線用圧着端子が記載されている。しかし、この圧着端子の場合、アルミ撚線やアルミ素線の大きさ(直径)に対応する溝の大きさについて言及されているものの、アルミ撚線と直交する方向に延びる溝を圧着部内面に限定的に設けているので、溝の形成に特別な溝加工が必要であり、圧着端子の作製に多くの工数を要し、圧着端子作製コストを増加させるという問題がある。   Further, in Patent Document 3, as a crimp terminal for an aluminum stranded wire having serrations on the inner surface of the crimping portion, the ratio d / e of the groove depth d and the aluminum wire diameter e is 0.33 or more. By adopting a configuration in which the number of the grooves is 3 or more, the oxide film on the surface of the aluminum element wire can be destroyed during crimping to obtain good electrical connectivity, and the aluminum twisted wire can be prevented from coming off. A crimp terminal for twisted aluminum wire having excellent mechanical connectivity is described. However, in the case of this crimp terminal, although the size of the groove corresponding to the size (diameter) of the aluminum stranded wire or the aluminum strand is mentioned, a groove extending in a direction orthogonal to the aluminum stranded wire is provided on the inner surface of the crimp portion. Since it is provided in a limited manner, there is a problem that special groove processing is necessary for the formation of the groove, and a large number of man-hours are required for manufacturing the crimp terminal, which increases the cost of manufacturing the crimp terminal.

したがって、本発明の目的は、圧縮だけで接続することができ接続工数が少なくて済むと共に、溝加工が容易で安価に作製することができ、更に、クリープ現象の問題や圧縮により導体強度が低下する問題にも十分対応することができる、アルミニウム導体用圧縮接続端子とその接続方法を提供することにある。   Therefore, the object of the present invention is that the connection can be made only by compression and the number of connection steps can be reduced, the groove processing is easy and inexpensive, and the conductor strength is reduced due to the problem of creep phenomenon and compression. It is an object of the present invention to provide an aluminum conductor compression connection terminal and a connection method thereof that can sufficiently cope with the problem.

上記目的を達成するために請求項1の発明は、アルミニウム又はアルミニウムを主成分とするアルミニウム合金からなると共にアルミニウム導体と接する接触端子の内面に螺旋状のネジ溝が形成されており、前記ネジ溝の深さが、前記導体の直径の1/10以上1/5以下であって、前記導体が複数本の素線を撚り合わせた撚線の場合は、更に、前記素線の直径の1/2以上1以下であることを特徴とするアルミニウム導体用圧縮接続端子を提供する。   In order to achieve the above object, the invention of claim 1 is made of aluminum or an aluminum alloy containing aluminum as a main component, and has a spiral screw groove formed on the inner surface of a contact terminal in contact with the aluminum conductor. The depth of the conductor is 1/10 or more and 1/5 or less of the diameter of the conductor, and when the conductor is a stranded wire in which a plurality of strands are twisted together, it is further 1 / diameter of the diameter of the strands. Provided is a compression connection terminal for an aluminum conductor, which is 2 or more and 1 or less.

上記において、前記ネジ溝の深さが、前記導体の直径の1/10以上1/5以下であるとする根拠は、その範囲外だと、前記ネジ溝による導体表面の酸化皮膜の破壊やアンカー効果が十分発揮されず、これにより前記導体との電気的導通が十分得られなくなると共にクリープ現象の問題や圧縮により導体強度が低下する問題にも十分対応することができなくなるからである。更に、前記ネジ溝の深さが、前記導体が複数本の素線を撚り合わせた撚線の場合は、前記素線の直径の1/2以上1以下であるとする根拠は、前記ネジ溝の深さが前記素線の直径よりも大きいと、圧縮接続の際に前記素線が破断し、接続部の接続強度が低下し、接触抵抗が増加する懸念があるからである。このことは、後述する実験例からも明らかである。   In the above, the grounds that the depth of the thread groove is 1/10 or more and 1/5 or less of the diameter of the conductor are outside the range. This is because the effect is not sufficiently exhibited, and thereby sufficient electrical continuity with the conductor cannot be obtained, and the problem of the creep phenomenon and the problem that the conductor strength decreases due to compression cannot be sufficiently dealt with. Furthermore, when the conductor is a stranded wire in which the conductor is a twist of a plurality of strands, the grounds that the depth of the strand is not less than 1/2 and not more than 1 of the strand This is because if the depth of the wire is larger than the diameter of the wire, the wire is broken during compression connection, the connection strength of the connection portion is lowered, and the contact resistance may be increased. This is clear from the experimental examples described later.

また、前記ネジ溝を有するメネジの形状としては、ネジ山の断面が三角形に近い最も一般的なネジ形状が好ましく、このネジ形状によれば、タップ等の工具を用いたネジ切り加工が容易であることは勿論、他のネジ形状の場合と比べて導体表面の酸化皮膜の破壊やアンカー効果が十分発揮されやすく、その分前記導体との電気的導通が十分得られると共にクリープ現象の問題や圧縮により導体強度が低下する問題にも極めて良い結果をもたらすことができる。   Further, as the shape of the female screw having the thread groove, the most general screw shape whose cross section of the thread is close to a triangle is preferable, and according to this screw shape, threading using a tool such as a tap is easy. Of course, compared to other screw shapes, the oxide film on the conductor surface is easily broken and the anchor effect is sufficiently exerted, so that sufficient electrical continuity with the conductor can be obtained and the problem of creep phenomenon and compression can be obtained. As a result, it is possible to bring about an extremely good result for the problem that the conductor strength is lowered.

このアルミニウム導体用圧縮接続端子によれば、上記構成の採用により、圧縮だけで接続することができ接続工数が少なくて済むと共に、ネジ溝の形成により溝加工が容易で安価に作製することができ、更に、ネジ溝による適切なアンカー効果によりクリープ現象の問題や圧縮により導体強度が低下する問題にも十分対応することができる。   According to the compression connection terminal for aluminum conductor, by adopting the above configuration, the connection can be made only by compression, and the connection man-hour can be reduced, and the groove processing can be easily and inexpensively produced by forming the screw groove. Furthermore, it is possible to sufficiently cope with the problem of the creep phenomenon and the problem that the conductor strength is reduced by the compression due to an appropriate anchor effect by the thread groove.

請求項2の発明は、前記接触端子の内面に、前記ネジ溝と交差する方向に伸びる切り欠きが間隔的に形成されていることを特徴とする請求項1に記載のアルミニウム導体用圧縮接続端子を提供する。   The invention according to claim 2 is characterized in that notches extending in a direction intersecting with the screw grooves are formed on the inner surface of the contact terminal at intervals. I will provide a.

このアルミニウム導体用圧縮接続端子によれば、上記効果に加えて、前記接触端子の内面に、前記ネジ溝と交差する方向に伸びる切り欠きが間隔的に形成されていることにより、ネジ溝と切り欠きとの併用によるアンカー効果により上記効果をより一層向上させることができる。この意味で、前記切り欠きは、前記ネジ溝と同程度の幅を有する細長い切り欠きであることが好ましく、さらに、前記切り欠きは、その複数本をもって接触端子内面に間隔的に形成されていることが好ましい。このような切り欠きであれば、ネジ溝と共に導体表面の酸化皮膜の破壊やアンカー効果をより一層向上させることができる。しかし、前記切り欠きは、その本数が多すぎる場合は、逆にアンカー効果を低下させ、接続強度を低下させる場合がある。このことも、後述する実験例から明らかである。   According to this aluminum conductor compression connection terminal, in addition to the above-described effects, the inner surface of the contact terminal is formed with notches extending in a direction intersecting the screw groove at intervals, thereby providing a screw groove and a cut. The above effect can be further improved by the anchor effect in combination with the notch. In this sense, the notch is preferably an elongated notch having a width comparable to that of the screw groove, and the notch is formed at intervals on the inner surface of the contact terminal. It is preferable. With such a notch, the breakage of the oxide film on the conductor surface and the anchor effect can be further improved together with the thread groove. However, if the number of the notches is too large, the anchor effect may be reduced and the connection strength may be reduced. This is also clear from experimental examples described later.

請求項3の発明は、アルミニウム又はアルミニウムを主成分とするアルミニウム合金からなると共にアルミニウム導体と接する接触端子の内面に螺旋状のネジ溝が形成されており、前記ネジ溝の深さが、前記導体の直径の1/10以上1/5以下であって、前記導体が複数本の素線を撚り合わせた撚線の場合は、更に、前記素線の直径の1/2以上1以下であるアルミニウム導体用圧縮接続端子を用い、前記導体を前記接触端子の内面に配置して圧縮接続したとき、圧縮接続部の横断面が円形状をなし、且つ、圧縮が緩んでも前記導体が抜けにくいように圧縮接続部の外形が導体延伸方向に傾斜角θ(0°<θ≦5°)を形成するように圧縮接続することを特徴とするアルミニウム導体用圧縮接続端子の接続方法を提供する。   According to a third aspect of the present invention, a spiral thread groove is formed on the inner surface of a contact terminal which is made of aluminum or an aluminum alloy containing aluminum as a main component and is in contact with the aluminum conductor, and the depth of the thread groove is determined by the conductor. In the case where the conductor is a stranded wire in which a plurality of strands are twisted together, aluminum that is ½ or more and 1 or less the diameter of the strand When a conductor compression connection terminal is used and the conductor is placed on the inner surface of the contact terminal and compression connected, the cross section of the compression connection portion has a circular shape, and the conductor does not easily come out even if the compression is loosened. Provided is a method for connecting a compression connection terminal for an aluminum conductor, wherein the compression connection portion is compression-connected so that the outer shape of the compression connection portion forms an inclination angle θ (0 ° <θ ≦ 5 °) in the conductor extending direction.

上記において、前記導体を前記接触端子の内面に配置して圧縮接続したとき、圧縮接続部の横断面が円形状をなし、且つ、圧縮が緩んでも前記導体が抜けにくいように前記圧縮接続部の外形が導体延伸方向に傾斜角θ(0°<θ≦5°)を形成するように圧縮接続するとしたのは、このように圧縮することによって、クリープ現象により圧縮が緩み前記導体が抜けようとするのを自動的に阻止することができ、これにより圧縮接続部の接続強度を効果的に維持することができるからである。傾斜角θがその範囲外の場合は、その効果が十分に得られない。因みに、傾斜角θがマイナスの場合は、前記導体が抜け易くなると共に、傾斜角θが5°を超える場合は、圧縮接続したときに傾斜による最小断面積部分の導体強度が低下し、前記導体が破断し易くなる。このことも、後述する実験例から明らかである。   In the above, when the conductor is arranged on the inner surface of the contact terminal and compression-connected, the cross-section of the compression connection portion has a circular shape, and the conductor of the compression connection portion is prevented from coming out even if the compression is loosened. The outer shape is compression-connected so as to form an inclination angle θ (0 ° <θ ≦ 5 °) in the conductor extending direction. By compressing in this way, the compression is loosened due to the creep phenomenon and the conductor is likely to come off. This is because it is possible to automatically prevent this, and thereby the connection strength of the compression connection portion can be effectively maintained. When the inclination angle θ is out of the range, the effect cannot be obtained sufficiently. Incidentally, when the inclination angle θ is negative, the conductor is easily pulled out, and when the inclination angle θ exceeds 5 °, the conductor strength of the minimum cross-sectional area portion due to the inclination decreases when the compression connection is made, and the conductor Becomes easy to break. This is also clear from experimental examples described later.

このアルミニウム導体用圧縮接続端子の接続方法によれば、上記構成の採用により、圧縮だけで接続することができ接続工数が少なくて済むと共に、ネジ溝の形成により溝加工が容易で安価に形成することができ、更に、ネジ溝による適切なアンカー効果によりクリープ現象の問題や圧縮により導体強度が低下する問題にも十分対応することができる上、特定の傾斜角θを形成した圧縮方法により圧縮が緩み導体が抜けようとするのを自動的に阻止することができ、これにより接続部の接続強度を効果的に維持することができる。   According to the connection method of this aluminum conductor compression connection terminal, the above-described configuration can be used to connect only by compression, so that the number of connection steps can be reduced, and the groove can be easily and inexpensively formed by forming the screw groove. Furthermore, it is possible to sufficiently cope with the problem of the creep phenomenon and the problem that the conductor strength is reduced due to the compression by an appropriate anchor effect by the thread groove, and the compression is performed by the compression method having a specific inclination angle θ. It is possible to automatically prevent the loose conductor from being pulled out, thereby effectively maintaining the connection strength of the connection portion.

請求項4の発明は、前記導体を前記接触端子の内面に配置して圧縮接続する際、両者の間に微小な金属粒子を介在させて圧縮接続し、これによって前記金属粒子が前記導体と前記接触端子の両方に食い込むようにすることを特徴とする請求項3に記載のアルミニウム導体用圧縮接続端子の接続方法を提供する。   According to a fourth aspect of the present invention, when the conductor is disposed on the inner surface of the contact terminal and is compression-connected, the metal particles are compressed and connected by interposing minute metal particles therebetween. 4. The method for connecting compressed connection terminals for aluminum conductors according to claim 3, wherein both the contact terminals are cut into the contact terminals.

上記において、前記金属粒子の直径は、前記導体が複数本の素線を撚り合わせた撚線の場合、前記素線の直径よりも小さいことが好ましく、大きい場合は圧縮接続の際に前記素線が破断し易く、これにより接続部の接続強度が低下し、接触抵抗が増加する懸念があるからである。このことも、後述する実験例から明らかである。なお、金属粒子の種類や形状には、特に限定はなく、同様の効果が得られるのであれば、ナノ粒子レベルの金属粒子を使用することもできる。   In the above, the diameter of the metal particles is preferably smaller than the diameter of the strand when the conductor is a stranded wire in which a plurality of strands are twisted together. This is because there is a concern that the connection strength of the connection portion is lowered and the contact resistance is increased. This is also clear from experimental examples described later. In addition, there is no limitation in particular in the kind and shape of a metal particle, As long as the same effect is acquired, the metal particle of a nanoparticle level can also be used.

このアルミニウム導体用圧縮接続端子の接続方法によれば、請求項3の発明の効果に加えて、前記導体を前記接触端子の内面に配置して圧縮接続する際、両者の間に微小な金属粒子を介在させて圧縮接続し、これによって前記金属粒子が前記導体と前記接触端子の両方に食い込むようにすることにより、金属粒子の存在によるアンカー効果が更に加わることで、ネジ溝等の存在による上記効果をより一層確実で安定性のあるものにすることができる。   According to this method for connecting compression connection terminals for aluminum conductors, in addition to the effect of the invention of claim 3, when the conductor is arranged on the inner surface of the contact terminal and compression connected, minute metal particles are placed between the two. In this way, the metal particles bite into both the conductor and the contact terminal, thereby further adding an anchor effect due to the presence of the metal particles, and the above due to the presence of screw grooves and the like. The effect can be made more reliable and stable.

請求項5の発明は、前記金属粒子が前記導体及び前記接触端子を構成する金属材料よりも低融点の金属材料からなり、圧縮接続と同時もしくは圧縮接続後に前記圧縮接続部を加熱することによって前記金属粒子を溶融することを特徴とする請求項4に記載のアルミニウム導体用圧縮接続端子の接続方法を提供する。   According to a fifth aspect of the present invention, the metal particles are made of a metal material having a melting point lower than that of the metal material constituting the conductor and the contact terminal, and the compression connection portion is heated simultaneously with the compression connection or after the compression connection. The method for connecting a compression connection terminal for an aluminum conductor according to claim 4, wherein the metal particles are melted.

このアルミニウム導体用圧縮接続端子の接続方法によれば、請求項4の発明の効果に加えて、圧縮接続部を加熱することによって前記金属粒子を溶融することにより、加熱する分接続工数は増えるが、前記金属粒子を利用して簡単に金属的な接続を行うことができるので、接続部の電気的導通性を容易に高めることができると共に接続工数の増加による接続コストの上昇も低く抑えることができる。   According to the connection method of the compression connection terminal for an aluminum conductor, in addition to the effect of the invention of claim 4, by melting the metal particles by heating the compression connection portion, the connection man-hour increases. In addition, since the metallic connection can be easily performed using the metal particles, the electrical conductivity of the connection portion can be easily increased and the increase in the connection cost due to the increase in the number of connection steps can be suppressed to a low level. it can.

本発明のアルミニウム導体用圧縮接続端子とその接続方法によれば、圧縮だけで接続することができ接続工数が少なくて済むと共に、溝加工が容易で安価に作製することができ、更に、クリープ現象の問題や圧縮により導体強度が低下する問題にも十分対応することができる。   According to the compression connection terminal for aluminum conductor and the connection method of the present invention, the connection can be made only by compression, the number of connection steps can be reduced, the groove processing can be easily made at low cost, and the creep phenomenon It is possible to sufficiently cope with this problem and the problem that the conductor strength decreases due to compression.

本発明の一実施の形態に係るアルミニウム導体用圧縮接続端子の構造説明図(正面図及び側面図)である。It is structure explanatory drawing (a front view and a side view) of the compression connection terminal for aluminum conductors which concerns on one embodiment of this invention. 図1のアルミニウム導体用圧縮接続端子を用いてアルミニウム導体を圧縮接続する方法及び圧縮接続した状態を示す説明図である。It is explanatory drawing which shows the method of compressing and connecting the aluminum conductor using the compression connection terminal for aluminum conductors of FIG. 1, and the state connected by compression. 本発明の他の実施の形態に係るアルミニウム導体用圧縮接続端子の構造説明図(正面図及び側面図)である。It is structure explanatory drawing (a front view and a side view) of the compression connection terminal for aluminum conductors which concerns on other embodiment of this invention. 図1のアルミニウム導体用圧縮接続端子を用いてアルミニウム導体を圧縮接続する際、両者の間に金属粒子を介在させて圧縮接続する方法を示す説明図である。When compressing and connecting an aluminum conductor using the compression connection terminal for aluminum conductors of FIG. 1, it is explanatory drawing which shows the method of compressing and connecting by interposing a metal particle between both. 図4の方法により、アルミニウム導体用圧縮接続端子を用いてアルミニウム導体を圧縮接続した状態を示す説明図である。It is explanatory drawing which shows the state which compressed and connected the aluminum conductor using the compression connection terminal for aluminum conductors by the method of FIG. 図4の方法により、アルミニウム導体用圧縮接続端子を用いてアルミニウム導体を圧縮接続した後、更に、圧縮接続部を加熱した状態を示す説明図である。It is explanatory drawing which shows the state which heated the compression connection part further, after compressing and connecting the aluminum conductor using the compression connection terminal for aluminum conductors by the method of FIG. 本発明の更に他の実施の形態に係るオープンバレル型のアルミニウム導体用圧縮接続端子の構造説明図である。It is structure explanatory drawing of the compression connection terminal for open barrel type aluminum conductors which concerns on other embodiment of this invention. 図7のアルミニウム導体用圧縮接続端子を用いてアルミニウム導体を圧縮接続した状態を示す説明図である。It is explanatory drawing which shows the state which compressed and connected the aluminum conductor using the compression connection terminal for aluminum conductors of FIG. 従来例に係る導体用圧縮接続端子を用いて電線・ケーブル用導体を圧縮接続する方法を示す説明図である。It is explanatory drawing which shows the method of compressing and connecting the conductor for electric wires and cables using the compression connection terminal for conductors which concerns on a prior art example. 図9の方法により、導体用圧縮接続端子を用いて電線・ケーブル用導体を圧縮接続した状態を示す説明図である。It is explanatory drawing which shows the state which carried out the compression connection of the conductor for electric wires and cables using the compression connection terminal for conductors by the method of FIG.

以下、本発明の好適な実施の形態を図1〜8に基づいて詳述する。   Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to FIGS.

図1は本発明の一実施の形態に係るアルミニウム導体用圧縮接続端子の構造説明図(正面図及び側面図)、図2は図1のアルミニウム導体用圧縮接続端子を用いてアルミニウム導体を圧縮接続する方法及び圧縮接続した状態を示す説明図である。   FIG. 1 is a structural explanatory view (a front view and a side view) of an aluminum conductor compression connection terminal according to an embodiment of the present invention, and FIG. 2 is an aluminum conductor compression connection terminal using the aluminum conductor compression connection terminal of FIG. It is explanatory drawing which shows the method to perform, and the state connected by compression.

図1及び図2において、1はアルミニウム又はアルミニウムを主成分とするアルミニウム合金からなる圧縮接続端子、2は前記圧縮接続端子1と共に圧縮接続されるアルミニウム撚線導体である。前記圧縮接続端子1の、前記導体2と接する接触端子3の内面4には螺旋状のネジ溝6が形成されており、前記ネジ溝6の深さは、前記導体2の直径の1/10以上1/5以下であって、前記導体2が複数本の素線を撚り合わせた撚線の場合は(図4参照)、更に、前記素線の直径の1/2以上1以下である。   1 and 2, reference numeral 1 denotes a compression connecting terminal made of aluminum or an aluminum alloy containing aluminum as a main component, and 2 denotes an aluminum stranded wire conductor that is compressed and connected together with the compression connecting terminal 1. A helical thread groove 6 is formed on the inner surface 4 of the contact terminal 3 in contact with the conductor 2 of the compression connection terminal 1, and the depth of the thread groove 6 is 1/10 of the diameter of the conductor 2. In the case where the conductor 2 is a stranded wire formed by twisting a plurality of strands (see FIG. 4), it is ½ to 1 in diameter of the strand.

前記圧縮接続端子1によれば、圧縮だけで接続することができ、接続工数が少なくて済むと共に、タップ等の工具によるネジ溝6の形成により溝加工が容易で安価に作製することができ、更に、前記ネジ溝6による適切なアンカー効果によりクリープ現象の問題や圧縮により導体強度が低下する問題にも十分対応することができる。   According to the compression connection terminal 1, it can be connected only by compression, and the connection man-hours can be reduced, and the groove processing is easy and inexpensive by forming the screw groove 6 with a tool such as a tap. Further, the proper anchor effect by the thread groove 6 can sufficiently cope with the problem of the creep phenomenon and the problem that the conductor strength is reduced by the compression.

また、前記ネジ溝6を有するメネジの形状としては、ネジ山の断面が三角形に近い最も一般的なネジ形状であり、このネジ形状によれば、タップ等の工具を用いたネジ切り加工が容易であることは勿論、他のネジ形状の場合と比べて導体表面の酸化皮膜の破壊やアンカー効果が十分発揮されやすく、その分前記導体2との電気的導通が十分得られると共にクリープ現象の問題や圧縮により導体強度が低下する問題にも極めて良い結果をもたらすことができる。なお、5は前記圧縮接続端子1の他端に形成されたボルト穴である。   The female thread having the thread groove 6 has the most general thread shape in which the cross section of the thread is close to a triangle. According to this thread shape, threading using a tool such as a tap is easy. Of course, compared to other screw shapes, the oxide film on the conductor surface is easily broken and the anchor effect is sufficiently exerted, and sufficient electrical continuity with the conductor 2 can be obtained, and the problem of the creep phenomenon Also, a very good result can be brought about the problem that the conductor strength is reduced by compression. Reference numeral 5 denotes a bolt hole formed at the other end of the compression connection terminal 1.

図2において、前記圧縮接続端子1を用いて前記導体2を圧縮接続する方法は、前記導体2を前記接触端子3の内面に配置して圧縮接続したときに、圧縮接続部の横断面が略円形状(図示せず)をなし、且つ、圧縮が緩んでも前記導体2が抜けにくいように圧縮接続部の外形が導体延伸方向に傾斜角θ(0°<θ≦5°)を形成するように圧縮接続する。この接続方法によれば、このように圧縮することにより、前記傾斜角θが効果的に機能し、クリープ現象により圧縮が緩み前記導体2が抜けようとするのを自動的に阻止することができ、これにより圧縮接続部の接続強度を効果的に維持することができる。   In FIG. 2, the method of compressing and connecting the conductor 2 using the compression connecting terminal 1 is such that when the conductor 2 is arranged on the inner surface of the contact terminal 3 and compression connected, the cross section of the compression connecting portion is substantially A circular shape (not shown) is formed, and the outer shape of the compression connecting portion forms an inclination angle θ (0 ° <θ ≦ 5 °) in the conductor extending direction so that the conductor 2 is not easily pulled out even if the compression is loosened. Connect to compression. According to this connection method, by compressing in this way, the inclination angle θ functions effectively, and it is possible to automatically prevent the conductor 2 from being loosened due to creep phenomenon and loosening the compression. Thus, the connection strength of the compression connection portion can be effectively maintained.

図3は本発明の他の実施の形態に係るアルミニウム導体用圧縮接続端子の構造説明図(正面図及び側面図)である。この圧縮接続端子11の場合、接続すべき導体と接する接触端子33の内面44に、ネジ溝66と交差する方向に伸びる細長い切り欠き7が4本等間隔に形成されている。前記切り欠き7の深さは、前記ネジ溝66の深さと同程度である。この圧縮接続端子11によれば、このように前記切り欠き7が形成されていることにより、前記ネジ溝66と前記切り欠き7との併用によるアンカー効果により導体表面の酸化皮膜の破壊やそのアンカー効果をより一層向上させることができる。そして、これにより接続すべき導体と前記圧縮接続端子11との電気的導通性を高めることができると共にクリープ現象の問題や圧縮により導体強度が低下する問題にも着実に改善を図ることができる。   FIG. 3 is a structural explanatory view (a front view and a side view) of an aluminum conductor compression connection terminal according to another embodiment of the present invention. In the case of this compression connection terminal 11, four elongated cutouts 7 extending in a direction intersecting with the thread groove 66 are formed at equal intervals on the inner surface 44 of the contact terminal 33 that contacts the conductor to be connected. The depth of the notch 7 is approximately the same as the depth of the thread groove 66. According to the compression connection terminal 11, since the notch 7 is formed in this way, the oxide film on the conductor surface is broken or anchored by the anchor effect by the combined use of the thread groove 66 and the notch 7. The effect can be further improved. As a result, the electrical continuity between the conductor to be connected and the compression connection terminal 11 can be improved, and the problem of the creep phenomenon and the problem that the conductor strength decreases due to compression can be steadily improved.

図4は図1の圧縮接続端子1を用いて複数本のアルミニウム素線9を撚り合わせたアルミニウム撚線導体22を圧縮接続する際、両者の間に金属粒子8を介在させて圧縮接続する接続方法を示す説明図、図5は図4の接続方法により、前記導体22を圧縮接続した状態を示す説明図である。図4及び図5の接続方法の場合、前記導体22を前記接触端子3の内面4に配置して圧縮接続する際、両者の間に微小な金属粒子8を介在させて圧縮接続し、これによって前記金属粒子8が前記導体22と前記接触端子3の両方に食い込むようにする。金属粒子8の介在方法としては、散布等により行うことができる。この接続方法によれば、前記金属粒子8によるアンカー効果が更に加わることで、前記ネジ溝6等の存在による上記効果をより確実で安定性のあるものとすることができる。   FIG. 4 shows a connection in which when the aluminum stranded conductor 22 formed by twisting a plurality of aluminum strands 9 is compression-connected using the compression connection terminal 1 of FIG. FIG. 5 is an explanatory view showing a method, and FIG. 5 is an explanatory view showing a state in which the conductor 22 is compressed and connected by the connection method of FIG. 4 and 5, when the conductor 22 is arranged on the inner surface 4 of the contact terminal 3 for compression connection, a small metal particle 8 is interposed between the conductor 22 and compression connection. The metal particles 8 bite into both the conductor 22 and the contact terminal 3. As a method of interposing the metal particles 8, it can be performed by spraying or the like. According to this connection method, the anchor effect by the metal particles 8 is further added, so that the above-described effect due to the presence of the screw groove 6 and the like can be made more reliable and stable.

また、図6は図4の接続方法により、前記圧縮接続端子1を用いて前記導体22を圧縮接続した後、更に、圧縮接続部を加熱した状態を示す説明図である。図6の接続方法の場合、前記金属粒子8は、前記導体22及び前記接触端子3を構成する金属材料よりも低融点の錫等の金属材料からなり、圧縮接続後に圧縮接続部をヒータ等により加熱することによって圧縮接続部内の前記金属粒子8を溶融する。88は金属粒子8の融着部である。なお、前記加熱は圧縮接続と同時に行っても良い。この接続方法によれば、圧縮接続部を加熱することによって前記金属粒子8を溶融することにより、加熱する分接続工数は増えるが、前記金属粒子8を利用して簡単に金属的な接続を行うことができるので、接続部の電気的導通性を高めることができると共に接続工数の増加による接続コストの上昇を低く抑えることができる。   FIG. 6 is an explanatory view showing a state in which the compression connection portion is further heated after the conductor 22 is compression-connected using the compression connection terminal 1 by the connection method of FIG. In the connection method of FIG. 6, the metal particles 8 are made of a metal material such as tin having a melting point lower than that of the metal material constituting the conductor 22 and the contact terminal 3, and the compression connection portion is heated by a heater or the like after the compression connection. The metal particles 8 in the compression connection portion are melted by heating. Reference numeral 88 denotes a fused portion of the metal particles 8. The heating may be performed simultaneously with the compression connection. According to this connection method, although the metal particles 8 are melted by heating the compression connection portion, the number of connection man-hours is increased, but the metal particles 8 are used for simple metal connection. Therefore, the electrical continuity of the connection portion can be increased, and an increase in connection cost due to an increase in the number of connection steps can be suppressed.

また、図7は本発明の更に他の実施の形態に係るオープンバレル型のアルミニウム導体用圧縮接続端子の構造説明図、図8は図7のアルミニウム導体用圧縮接続端子を用いてアルミニウム導体を圧縮接続した状態を示す説明図である。この圧縮接続端子111を用いた圧縮接続方法によっても、アルミニウム撚線導体222と接する接触端子333の内面に螺旋状のネジ溝666を形成した同上の構成を採用することにより、同様の効果を得ることができる。なお、999はアルミニウム撚線導体222を構成するアルミニウム素線、1000はオープンバレル型圧縮接続端子111用の圧縮治具である。   FIG. 7 is an explanatory view of the structure of an open barrel type aluminum conductor compression connection terminal according to still another embodiment of the present invention. FIG. 8 is a diagram illustrating compression of an aluminum conductor using the aluminum conductor compression connection terminal of FIG. It is explanatory drawing which shows the state connected. Also by the compression connection method using the compression connection terminal 111, the same effect is obtained by adopting the same configuration in which the spiral screw groove 666 is formed on the inner surface of the contact terminal 333 in contact with the aluminum stranded wire conductor 222. be able to. Reference numeral 999 denotes an aluminum strand constituting the aluminum stranded wire conductor 222, and 1000 denotes a compression jig for the open barrel type compression connection terminal 111.

圧縮接続端子として、図1に示される挿入型のアルミニウム又はアルミニウムを主成分とするアルミニウム合金からなる圧縮接続端子を用いると共に、アルミニウム撚線導体として、直径1mmの純アルミニウム素線を19本(1/6/12)同心撚りした直径5mmのアルミニウム撚線導体を用い、以下の圧縮接続による実験を行った。なお、ネジ溝の形成にあたっては、専用のネジ切りタップを用い、圧縮接続にあたっては、専用の圧縮治具を用いた。   As the compression connection terminal, the insertion type aluminum shown in FIG. 1 or a compression connection terminal made of aluminum as a main component is used, and as the aluminum stranded conductor, 19 pure aluminum strands having a diameter of 1 mm (1 / 6/12) An experiment by the following compression connection was performed using a concentric twisted aluminum stranded wire conductor having a diameter of 5 mm. Note that a dedicated thread tap was used for forming the thread groove, and a dedicated compression jig was used for compression connection.

・実験例1(比較例1)
導体と接する接触端子の内面が平滑である上記圧縮接続端子の、前記接触端子の内面に、上記アルミニウム撚線導体を配置し、両者を圧縮接続した。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが0°となるように圧縮接続した。
Experimental example 1 (Comparative example 1)
The aluminum twisted wire conductor was disposed on the inner surface of the contact terminal of the compression connection terminal having a smooth inner surface of the contact terminal in contact with the conductor, and both were compression-connected. In this case, the length of the compression portion is 5 mm, which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (residual cross-sectional area ratio 80%) and the inclination angle θ is 0 °. did.

・実験例2(比較例2)
導体と接する接触端子の内面が平滑である上記圧縮接続端子の、前記接触端子の内面に、上記アルミニウム撚線導体を配置し、両者を圧縮接続した。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが5°となるように圧縮接続した。
Experimental example 2 (Comparative example 2)
The aluminum twisted wire conductor was disposed on the inner surface of the contact terminal of the compression connection terminal having a smooth inner surface of the contact terminal in contact with the conductor, and both were compression-connected. In this case, the length of the compressed portion is 5 mm which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (remaining cross-sectional area ratio 80%) and the inclination angle θ is 5 °. did.

・実験例3(実施例1)
導体と接する接触端子の内面に深さ1mmのネジ溝を形成した上記圧縮接続端子の、前記接触端子の内面に、上記アルミニウム撚線導体を配置し、両者を圧縮接続した。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが0°となるように圧縮接続した。
Experimental example 3 (Example 1)
The aluminum stranded wire conductor was disposed on the inner surface of the contact terminal of the compression connection terminal in which a thread groove having a depth of 1 mm was formed on the inner surface of the contact terminal in contact with the conductor, and both were compression connected. In this case, the length of the compression portion is 5 mm, which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (residual cross-sectional area ratio 80%) and the inclination angle θ is 0 °. did.

・実験例4(実施例2)
導体と接する接触端子の内面に深さ1mmのネジ溝を形成した上記圧縮接続端子の、前記接触端子の内面に、上記アルミニウム撚線導体を配置し、両者を圧縮接続した。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが5°となるように圧縮接続した。
Experimental example 4 (Example 2)
The aluminum stranded wire conductor was disposed on the inner surface of the contact terminal of the compression connection terminal in which a thread groove having a depth of 1 mm was formed on the inner surface of the contact terminal in contact with the conductor, and both were compression connected. In this case, the length of the compressed portion is 5 mm which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (remaining cross-sectional area ratio 80%) and the inclination angle θ is 5 °. did.

・実験例5(比較例3)
導体と接する接触端子の内面に深さ1mmのネジ溝を形成した上記圧縮接続端子の、前記接触端子の内面に、上記アルミニウム撚線導体を配置し、両者を圧縮接続した。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが−(マイナス)5°となるように圧縮接続した。
・ Experimental Example 5 (Comparative Example 3)
The aluminum stranded wire conductor was disposed on the inner surface of the contact terminal of the compression connection terminal in which a thread groove having a depth of 1 mm was formed on the inner surface of the contact terminal in contact with the conductor, and both were compression connected. In this case, the length of the compressed portion is 5 mm which is the same as the diameter of the conductor, the cross-sectional reduction rate of the conductor tip is 20% (remaining cross-sectional area ratio 80%), and the inclination angle θ is − (minus) 5 °. So compression connected.

・実験例6(比較例4)
導体と接する接触端子の内面に深さ1mmのネジ溝を形成した上記圧縮接続端子の、前記接触端子の内面に、上記アルミニウム撚線導体を配置し、両者を圧縮接続した。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが10°となるように圧縮接続した。
Experimental Example 6 (Comparative Example 4)
The aluminum stranded wire conductor was disposed on the inner surface of the contact terminal of the compression connection terminal in which a thread groove having a depth of 1 mm was formed on the inner surface of the contact terminal in contact with the conductor, and both were compression connected. In this case, the length of the compression portion is 5 mm, which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (residual cross-sectional area ratio 80%) and the inclination angle θ is 10 °. did.

・実験例7(比較例5)
導体と接する接触端子の内面に深さ2mmのネジ溝を形成した上記圧縮接続端子の、前記接触端子の内面に、上記アルミニウム撚線導体を配置し、両者を圧縮接続した。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが5°となるように圧縮接続した。
Experimental example 7 (Comparative example 5)
The aluminum stranded wire conductor was disposed on the inner surface of the contact terminal of the compression connection terminal in which a thread groove having a depth of 2 mm was formed on the inner surface of the contact terminal in contact with the conductor, and both were compression-connected. In this case, the length of the compressed portion is 5 mm which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (remaining cross-sectional area ratio 80%) and the inclination angle θ is 5 °. did.

・実験例8(実施例3)
導体と接する接触端子の内面に深さ1mmのネジ溝を形成し且つ同じ深さでネジ溝と交差する細長い切り欠きを4本等間隔に形成した上記圧縮接続端子の、前記接触端子の内面に、上記アルミニウム撚線導体を配置し、両者を圧縮接続した。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが5°となるように圧縮接続した。
Experimental example 8 (Example 3)
A screw groove having a depth of 1 mm is formed on the inner surface of the contact terminal in contact with the conductor, and four elongated notches intersecting the screw groove at the same depth are formed at equal intervals on the inner surface of the contact terminal. The aluminum stranded wire conductor was placed and both were compression-connected. In this case, the length of the compressed portion is 5 mm which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (remaining cross-sectional area ratio 80%) and the inclination angle θ is 5 °. did.

・実験例9(実施例4)
導体と接する接触端子の内面に深さ1mmのネジ溝を形成し且つ同じ深さでネジ溝と交差する細長い切り欠きを8本等間隔に形成した上記圧縮接続端子の、前記接触端子の内面に、上記アルミニウム撚線導体を配置し、両者を圧縮接続した。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが5°となるように圧縮接続した。
Experimental example 9 (Example 4)
A screw groove having a depth of 1 mm is formed on the inner surface of the contact terminal in contact with the conductor, and eight elongated cutouts intersecting the screw groove at the same depth are formed at equal intervals on the inner surface of the contact terminal. The aluminum stranded wire conductor was placed and both were compression-connected. In this case, the length of the compression portion is 5 mm, which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (remaining cross-sectional area ratio 80%) and the inclination angle θ is 5 °. did.

・実験例10(実施例5)
導体と接する接触端子の内面に深さ1mmのネジ溝を形成した上記圧縮接続端子の、前記接触端子の内面に、その接続部分の導体表面に硬質の純アルミニウムからなる金属粒子を均等に散布した上記アルミニウム撚線導体を配置し、両者を圧縮接続した。前記金属粒子の直径は、前記導体を構成するアルミニウム素線の直径と同じ1mmである。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが5°となるように圧縮接続した。
Experimental example 10 (Example 5)
Metal particles made of hard pure aluminum were evenly dispersed on the inner surface of the contact terminal of the compression connection terminal in which a thread groove having a depth of 1 mm was formed on the inner surface of the contact terminal in contact with the conductor. The said aluminum twisted-wire conductor was arrange | positioned and both were compression-connected. The diameter of the metal particles is 1 mm, which is the same as the diameter of the aluminum wire constituting the conductor. In this case, the length of the compressed portion is 5 mm which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (remaining cross-sectional area ratio 80%) and the inclination angle θ is 5 °. did.

・実験例11(実施例6)
導体と接する接触端子の内面に深さ1mmのネジ溝を形成した上記圧縮接続端子の、前記接触端子の内面に、接続部分の導体表面に硬質の純アルミニウムからなる金属粒子を均等に散布した上記アルミニウム撚線導体を配置し、両者を圧縮接続した。前記金属粒子の直径は、前記導体を構成するアルミニウム素線の直径の2倍の2mmである。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが5°となるように圧縮接続した。
Experimental example 11 (Example 6)
The above-mentioned compression connection terminal in which a thread groove having a depth of 1 mm is formed on the inner surface of the contact terminal in contact with the conductor, the metal particles made of hard pure aluminum are evenly dispersed on the inner surface of the contact terminal on the conductor surface of the connection portion. An aluminum stranded conductor was placed and both were compression connected. The diameter of the metal particles is 2 mm, which is twice the diameter of the aluminum wire constituting the conductor. In this case, the length of the compressed portion is 5 mm which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (remaining cross-sectional area ratio 80%) and the inclination angle θ is 5 °. did.

・実験例12(実施例7)
導体と接する接触端子の内面に深さ2mmのネジ溝を形成した上記圧縮接続端子の、前記接触端子の内面に、接続部分の導体表面に低融点の錫からなる金属粒子を均等に散布した上記アルミニウム撚線導体を配置し、両者を圧縮接続した。前記金属粒子の直径は、前記導体を構成するアルミニウム素線の直径と同じ1mmである。この場合、圧縮部分の長さが前記導体の直径と同じ5mmであり、前記導体先端の断面減少率が20%(残断面積率80%)で傾斜角θが5°となるように圧縮接続した。更に、圧縮接続後、圧縮接続部分を加熱し、前記金属粒子を溶融した。
Experimental example 12 (Example 7)
The above-mentioned compression connection terminal in which a thread groove having a depth of 2 mm is formed on the inner surface of the contact terminal in contact with the conductor, and the metal particles made of low melting point tin are uniformly dispersed on the inner surface of the contact terminal on the conductor surface of the connection portion. An aluminum stranded conductor was placed and both were compression connected. The diameter of the metal particles is 1 mm, which is the same as the diameter of the aluminum wire constituting the conductor. In this case, the length of the compression portion is 5 mm, which is the same as the diameter of the conductor, and the compression connection is performed so that the cross-section reduction rate of the conductor tip is 20% (remaining cross-sectional area ratio 80%) and the inclination angle θ is 5 °. did. Furthermore, after the compression connection, the compression connection portion was heated to melt the metal particles.

上記各実験例に対し、夫々圧縮接続部分の、接続初期状態における接続強度及び接合界面の接触抵抗を夫々測定した。接続強度の測定は、アルミニウム撚線導体と圧縮接続端子の端末を夫々固定した状態で、アルミニウム撚線導体をその長さ方向に引張り、破断するまでの荷重(破断荷重)をもって測定した。また、夫々圧縮接続部分を、−(マイナス)40℃、150℃に夫々30分間ずつ放置することを一サイクルとする温度サイクルを100回繰り返した後、同様の測定を行った。ここで、各々の測定値に基づき、接続強度については、アルミニウム撚線導体の破断強度を基準とした接続強度比(%)で評価し、接触抵抗については、実験例3(実施例1)の接続初期状態における接触抵抗を基準とした接触抵抗比(%)で評価した。この結果を表1に示す。   For each of the above experimental examples, the connection strength in the initial connection state and the contact resistance of the joint interface of each compression connection portion were measured. The connection strength was measured by pulling the aluminum stranded wire conductor in the length direction with the aluminum stranded wire conductor and the terminal of the compression connection terminal being fixed, and the load until the wire was broken (breaking load). In addition, the same measurement was performed after repeating the temperature cycle 100 times, in which each compression connection portion was allowed to stand at − (minus) 40 ° C. and 150 ° C. for 30 minutes, respectively. Here, based on the respective measured values, the connection strength is evaluated by a connection strength ratio (%) based on the breaking strength of the aluminum stranded wire conductor, and the contact resistance is that of Experimental Example 3 (Example 1). The contact resistance ratio (%) was evaluated based on the contact resistance in the initial connection state. The results are shown in Table 1.

Figure 2010244895
Figure 2010244895

表1より、本発明の実施例においては、いずれも特に温度サイクル後の接続強度の低下が少ないと共に接続抵抗の増加も少ないことが分かる。   From Table 1, it can be seen that in the examples of the present invention, the decrease in the connection strength especially after the temperature cycle is small and the increase in the connection resistance is small.

また、実験例4(実施例2)と実験例7(比較例5)の比較から、ネジ溝の深さが導体の素線の直径よりも大きいと、圧縮接続の際に素線が破断することにより、接続強度が低下し、接触抵抗が増加する懸念があることが分かる。   Further, from comparison between Experimental Example 4 (Example 2) and Experimental Example 7 (Comparative Example 5), when the depth of the thread groove is larger than the diameter of the conductor strand, the strand breaks during compression connection. This shows that there is a concern that the connection strength is lowered and the contact resistance is increased.

また、実験例5(比較例3)から、傾斜角θがマイナスの場合は、温度サイクル後に、導体が抜け易くなることにより、接続強度が低下し、接続抵抗も増加することが分かる。一方、実験例4(実施例2)と実験例6(比較例4)の比較から、傾斜角θが5°を超える場合は、傾斜による最小断面積部分の導体強度が低下し、導体が破断し易くなることにより、接続強度が低下し、接続抵抗も増加することが分かる。   In addition, it can be seen from Experimental Example 5 (Comparative Example 3) that when the inclination angle θ is negative, the conductor is easily removed after the temperature cycle, so that the connection strength is reduced and the connection resistance is also increased. On the other hand, from the comparison between Experimental Example 4 (Example 2) and Experimental Example 6 (Comparative Example 4), when the inclination angle θ exceeds 5 °, the conductor strength of the minimum cross-sectional area portion due to the inclination decreases and the conductor breaks. It can be seen that the connection strength is reduced and the connection resistance is also increased.

また、実験例8(実施例3)と実験例9(実施例4)の比較から、切り欠きの本数が多すぎる場合は、逆にアンカー効果が低下することにより、接続強度が低下し、接続抵抗も増加することが分かる。   Further, from comparison between Experimental Example 8 (Example 3) and Experimental Example 9 (Example 4), when the number of notches is too large, the anchor effect is reduced, and the connection strength is reduced. It can be seen that the resistance also increases.

また、実験例10(実施例5)と実験例11(実施例6)の比較から、金属粒子の直径が導体の素線の直径よりも大きい場合は、圧縮接続の際に導体の素線が破断することにより、接続強度が低下し、接触抵抗も増加する懸念があることが分かる。   Further, from comparison between Experimental Example 10 (Example 5) and Experimental Example 11 (Example 6), when the diameter of the metal particles is larger than the diameter of the conductor strand, the conductor strand is not compressed during the compression connection. It turns out that there exists a possibility that connection strength may fall and contact resistance may increase by fracture.

本発明においては、接続部分が軽量化されることは言うまでもなく、接続部分の信頼性も格段に向上する。また、接続工数も少なくて済むことから、高所や屋外など接続作業が困難な場所での接続作業にも適用が可能になる。   In the present invention, it goes without saying that the connection portion is lightened, and the reliability of the connection portion is also greatly improved. In addition, since the number of man-hours required for connection is small, it can be applied to connection work in places where connection work is difficult, such as high places and outdoors.

また、本発明は、以上の実施の形態に限定されることなく、その発明の範囲において種々の改変が可能である。   Further, the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the invention.

1、11、111 圧縮接続端子
2、22、222 アルミニウム撚線導体
3、33、333 接触端子
4 内面
5 ボルト穴
6、66 ネジ溝
7 切り欠き
8 金属粒子
88 融着部
9、999 アルミニウム素線
1000 圧縮治具
θ 傾斜角
DESCRIPTION OF SYMBOLS 1, 11, 111 Compression connection terminal 2, 22, 222 Aluminum twisted-wire conductor 3, 33, 333 Contact terminal 4 Inner surface 5 Bolt hole 6, 66 Screw groove 7 Notch 8 Metal particle 88 Fusion part 9,999 Aluminum strand 1000 Compression jig θ Inclination angle

Claims (5)

アルミニウム又はアルミニウムを主成分とするアルミニウム合金からなると共にアルミニウム導体と接する接触端子の内面に螺旋状のネジ溝が形成されており、前記ネジ溝の深さが、前記導体の直径の1/10以上1/5以下であって、前記導体が複数本の素線を撚り合わせた撚線の場合は、更に、前記素線の直径の1/2以上1以下であることを特徴とするアルミニウム導体用圧縮接続端子。   A spiral thread groove is formed on the inner surface of the contact terminal which is made of aluminum or an aluminum alloy containing aluminum as a main component and is in contact with the aluminum conductor, and the depth of the thread groove is 1/10 or more of the diameter of the conductor. 1/5 or less, and when the conductor is a stranded wire in which a plurality of strands are twisted together, it is further ½ or more and 1 or less of the diameter of the strand. Compression connection terminal. 前記接触端子の内面に、前記ネジ溝と交差する方向に延びる切り欠きが間隔的に形成されていることを特徴とする請求項1に記載のアルミニウム導体用圧縮接続端子。   2. The compression connection terminal for an aluminum conductor according to claim 1, wherein notches extending in a direction intersecting the screw groove are formed on the inner surface of the contact terminal at intervals. アルミニウム又はアルミニウムを主成分とするアルミニウム合金からなると共にアルミニウム導体と接する接触端子の内面に螺旋状のネジ溝が形成されており、前記ネジ溝の深さが、前記導体の直径の1/10以上1/5以下であって、前記導体が複数本の素線を撚り合わせた撚線の場合は、更に、前記素線の直径の1/2以上1以下であるアルミニウム導体用圧縮接続端子を用い、前記導体を前記接触端子の内面に配置して圧縮接続したとき、圧縮接続部の横断面が略円形状をなし、且つ、圧縮が緩んでも前記導体が抜けにくいように圧縮接続部の外形が導体延伸方向に傾斜角θ(0°<θ≦5°)を形成するように圧縮接続することを特徴とするアルミニウム導体用圧縮接続端子の接続方法。   A spiral thread groove is formed on the inner surface of the contact terminal which is made of aluminum or an aluminum alloy containing aluminum as a main component and is in contact with the aluminum conductor, and the depth of the thread groove is 1/10 or more of the diameter of the conductor. When the conductor is a stranded wire in which a plurality of strands are twisted together, a compression connection terminal for an aluminum conductor that is ½ to 1 in diameter of the strand is further used. When the conductor is arranged on the inner surface of the contact terminal and compressed and connected, the outer surface of the compression connection portion is formed so that the cross section of the compression connection portion has a substantially circular shape and the conductor does not easily come off even if the compression is loosened. A method of connecting compression connection terminals for aluminum conductors, wherein compression connection is performed so as to form an inclination angle θ (0 ° <θ ≦ 5 °) in the conductor stretching direction. 前記導体を前記接触端子の内面に配置して圧縮接続する際、両者の間に微小な金属粒子を介在させて圧縮接続し、これによって前記金属粒子が前記導体と前記接触端子の両方に食い込むようにすることを特徴とする請求項3に記載のアルミニウム導体用圧縮接続端子の接続方法。   When the conductor is disposed on the inner surface of the contact terminal and is compression-connected, the metal particles are compressed and connected by interposing minute metal particles therebetween, so that the metal particles bite into both the conductor and the contact terminal. The method for connecting compressed connection terminals for aluminum conductors according to claim 3. 前記金属粒子が前記導体及び前記接触端子を構成する金属材料よりも低融点の金属材料からなり、圧縮接続と同時もしくは圧縮接続後に前記圧縮接続部を加熱することによって前記金属粒子を溶融することを特徴とする請求項4に記載のアルミニウム導体用圧縮接続端子の接続方法。   The metal particles are made of a metal material having a melting point lower than that of the metal material constituting the conductor and the contact terminal, and the metal particles are melted by heating the compression connection portion simultaneously with or after the compression connection. The connection method of the compression connection terminal for aluminum conductors of Claim 4 characterized by the above-mentioned.
JP2009093300A 2009-04-07 2009-04-07 Compression connection terminal for aluminum conductors, and connection method thereof Pending JP2010244895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009093300A JP2010244895A (en) 2009-04-07 2009-04-07 Compression connection terminal for aluminum conductors, and connection method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009093300A JP2010244895A (en) 2009-04-07 2009-04-07 Compression connection terminal for aluminum conductors, and connection method thereof

Publications (1)

Publication Number Publication Date
JP2010244895A true JP2010244895A (en) 2010-10-28

Family

ID=43097683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009093300A Pending JP2010244895A (en) 2009-04-07 2009-04-07 Compression connection terminal for aluminum conductors, and connection method thereof

Country Status (1)

Country Link
JP (1) JP2010244895A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013114957A (en) * 2011-11-30 2013-06-10 Auto Network Gijutsu Kenkyusho:Kk Electric wire with terminal, and manufacturing method thereof
KR200469497Y1 (en) * 2013-03-29 2013-10-15 강민정 Cable connecting pressure terminal for automobile wiring having cable conducting wire pressure groove
KR101424985B1 (en) * 2013-04-03 2014-08-01 김춘식 Cable connection terminal
JP5567237B1 (en) * 2013-02-22 2014-08-06 古河電気工業株式会社 Crimp terminal, crimp connection structure, and method of manufacturing crimp connection structure
JP2016111726A (en) * 2014-12-02 2016-06-20 昭和電線ケーブルシステム株式会社 Terminal connection part for aluminum conductor cable
JP2017201603A (en) * 2016-05-06 2017-11-09 株式会社オートネットワーク技術研究所 Wiring module
EP3419118A1 (en) * 2017-06-22 2018-12-26 Hitachi Metals, Ltd. Electric wire with terminal
JP2019040686A (en) * 2017-08-23 2019-03-14 矢崎エナジーシステム株式会社 Aluminum wire terminal
JP2019169364A (en) * 2018-03-23 2019-10-03 日立金属株式会社 Terminal and electric wire including the same
EP3611800A1 (en) 2018-08-13 2020-02-19 Hitachi Metals, Ltd. Terminal-equipped electric wire
JP2020123580A (en) * 2020-04-07 2020-08-13 古河電気工業株式会社 Wire with terminal, and wiring harness
KR102242256B1 (en) * 2020-03-10 2021-04-19 강곤 Wiring compression terminal and manufacturing method of wiring compression terminal with bite fixing fuuction

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013114957A (en) * 2011-11-30 2013-06-10 Auto Network Gijutsu Kenkyusho:Kk Electric wire with terminal, and manufacturing method thereof
JP5567237B1 (en) * 2013-02-22 2014-08-06 古河電気工業株式会社 Crimp terminal, crimp connection structure, and method of manufacturing crimp connection structure
WO2014129080A1 (en) * 2013-02-22 2014-08-28 古河電気工業株式会社 Crimp terminal, crimp connection structure, and method for manufacturing crimp connection structure
US9118123B2 (en) 2013-02-22 2015-08-25 Furukawa Electric Co., Ltd. Crimp terminal, crimp-connection structural body, and method for manufacturing crimp-connection structural body
KR200469497Y1 (en) * 2013-03-29 2013-10-15 강민정 Cable connecting pressure terminal for automobile wiring having cable conducting wire pressure groove
KR101424985B1 (en) * 2013-04-03 2014-08-01 김춘식 Cable connection terminal
JP2016111726A (en) * 2014-12-02 2016-06-20 昭和電線ケーブルシステム株式会社 Terminal connection part for aluminum conductor cable
JP2017201603A (en) * 2016-05-06 2017-11-09 株式会社オートネットワーク技術研究所 Wiring module
EP3419118A1 (en) * 2017-06-22 2018-12-26 Hitachi Metals, Ltd. Electric wire with terminal
CN109119777A (en) * 2017-06-22 2019-01-01 日立金属株式会社 Electric wire with terminal
CN109119777B (en) * 2017-06-22 2022-04-29 日立金属株式会社 Electric wire with terminal
JP2019040686A (en) * 2017-08-23 2019-03-14 矢崎エナジーシステム株式会社 Aluminum wire terminal
JP2019169364A (en) * 2018-03-23 2019-10-03 日立金属株式会社 Terminal and electric wire including the same
JP7017104B2 (en) 2018-03-23 2022-02-08 日立金属株式会社 Manufacturing method of electric wire with terminal
EP3611800A1 (en) 2018-08-13 2020-02-19 Hitachi Metals, Ltd. Terminal-equipped electric wire
KR102242256B1 (en) * 2020-03-10 2021-04-19 강곤 Wiring compression terminal and manufacturing method of wiring compression terminal with bite fixing fuuction
JP2020123580A (en) * 2020-04-07 2020-08-13 古河電気工業株式会社 Wire with terminal, and wiring harness
JP7079282B2 (en) 2020-04-07 2022-06-01 古河電気工業株式会社 Wire with terminal, wire harness

Similar Documents

Publication Publication Date Title
JP2010244895A (en) Compression connection terminal for aluminum conductors, and connection method thereof
JP5741502B2 (en) Electric wire with terminal and manufacturing method thereof
JP5428789B2 (en) Electric wire with terminal fitting and method of manufacturing electric wire with terminal fitting
JP6163149B2 (en) Manufacturing method of electric wire with terminal
US20170229793A1 (en) Crimp contact
WO2010024033A1 (en) Terminal metal fitting and method of manufacturing terminal metal fitting
JP2009009736A (en) Terminal connection structure to aluminum wire
JP2013054835A (en) Terminal fitting, wire with terminal fitting, and connection method of terminal fitting and wire
JP2014044832A (en) Terminal connection method for litz wire and litz wire with terminal fitting
JP2014032819A (en) Aluminum electric wire
JP2013041813A5 (en)
JP2013020761A (en) Terminal connection method and terminal connection part of aluminum litz wire
CN108369843B (en) Method for manufacturing conductive member, and mold
JP2010153069A (en) Litz wire assembly
JP2010225529A (en) Electric wire with terminal metal fitting
KR101767351B1 (en) Aluminum electric wire connection structure
JP5786590B2 (en) Electric wire, electric wire with terminal fittings, and method of manufacturing electric wire with terminal fittings
WO2015008832A1 (en) Method for connecting metal conductor and metal terminal
JP2009176673A (en) Crimp terminal for aluminum electric wire
JP6156185B2 (en) Electric wire with terminal
JP2010176880A (en) Electric wire with terminal fitting
JP2011070849A (en) Terminal connection method of aluminum or aluminum alloy conductor
JP6316229B2 (en) Electric wire with connection terminal and method of manufacturing the electric wire
JP2014029884A (en) Electric wire with terminal fitting, and method for manufacturing electric wire with terminal fitting
JP5593354B2 (en) Terminal fittings and covered electric wires with terminal fittings