JP5534985B2 - Connection method of fusing terminal and coated conductive wire - Google Patents

Connection method of fusing terminal and coated conductive wire Download PDF

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JP5534985B2
JP5534985B2 JP2010152876A JP2010152876A JP5534985B2 JP 5534985 B2 JP5534985 B2 JP 5534985B2 JP 2010152876 A JP2010152876 A JP 2010152876A JP 2010152876 A JP2010152876 A JP 2010152876A JP 5534985 B2 JP5534985 B2 JP 5534985B2
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conductive wire
main body
fusing
coated conductive
fusing terminal
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JP2012015047A (en
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光市 松本
剛史 坪内
克俊 矢島
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Mitsubishi Electric Corp
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Description

この発明は、電極棒に通電して加圧することにより、被膜付導電線と電気的に接続されるヒュージング用端子と被膜付導電線の接続方法に関するものである。 The present invention relates to a method of connecting a fusing terminal electrically connected to a coated conductive wire and a coated conductive wire by energizing and pressing an electrode rod.

従来のヒュージング用端子として、端子本体部の他端部に一端部が連続して形成され、折曲配置された接続端部と、この接続端部の他端部に一体にして延長して前記接続端部よりも小さい厚さ寸法に形成され、この接続端部に対して折曲されて前記端子本体部と接続端部との間に配置された導電線保持部材を備えたものが開示されている（例えば、特許文献１）。   As a conventional fusing terminal, one end is continuously formed at the other end of the terminal main body, and the connection end arranged in a bent manner and the other end of the connection end are integrally extended. Disclosed is a conductive wire holding member that is formed with a thickness dimension smaller than that of the connection end and is bent with respect to the connection end and disposed between the terminal main body and the connection end. (For example, Patent Document 1).

特許第４１０１８６１号公報Japanese Patent No. 4101861

しかしながら、上記特許文献１に示されたヒュージング端子構造では、被膜付導電線を予め定められた量だけ潰成可能とする機能を持たせるために、接続端部に導電線保持部材を削り加工等によって形成しなければならないため、生産性が悪く、かつコスト高となるという問題点がある。   However, in the fusing terminal structure disclosed in Patent Document 1, the conductive wire holding member is shaved at the connection end portion in order to provide a function that enables the coated conductive wire to be crushed by a predetermined amount. Therefore, there is a problem that the productivity is low and the cost is high.

この発明は、上記のような課題を解決するためになされたものであって削り加工を不要とし、曲げ加工のみによる構造で生産性を向上させた低コストのヒュージング用端子と被膜付導電線の接続方法を提供することを目的とする。 The present invention has been made in order to solve the above-described problems, eliminates the need for machining, and has a low-cost fusing terminal and a coated conductive wire with improved productivity by a structure only by bending. The purpose is to provide a connection method .

この発明に係るヒュージング用端子と被膜付導電線の接続方法は次のステップを備えている。The method for connecting the fusing terminal and the coated conductive wire according to the present invention includes the following steps.
ステップ１．プレス成形により導電性板材に突起部を設け、前記突起部をはさんで第１の本体部と第２の本体部とを形成するステップ。Step 1. Providing a projection on the conductive plate by press molding, and forming a first main body and a second main body by sandwiching the projection;
ステップ２．前記第１の本体部に第１の折り曲げ部を、前記第２の本体部に第２の折り曲げ部を板面が対向するように形成するステップ。Step 2. Forming a first bent portion on the first main body and a second bent portion on the second main body so that the plate surfaces face each other;
ステップ３．前記第２の本体部を曲げ起こし、前記被膜付導電線を前記第１の本体部の前記突起部の付近に設置し、ヒュージング装置にセットするステップ。Step 3. Bending the second main body, placing the coated conductive wire in the vicinity of the protrusion of the first main body, and setting the fusing device;
ステップ４．前記ヒュージング装置によって、前記第１の本体部と前記第２の本体部とを介して、前記被膜付導電線が必要以上に潰れないよう加圧され、通電によって前記第１の本体部と前記第２の本体部に溶着されるステップ。Step 4. The fusing device pressurizes the coated conductive wire through the first main body and the second main body so as not to be unnecessarily crushed. Welding to the second body.

この発明によれば上記のような接続方法を採用しているので、削り加工を不要としたヒュージング用端子は折り曲げ部に突起部を設けるのみの簡単な構成であるので、製作コストが低減可能であり、また突起部を有することにより、ヒュージング時に、被膜付導電線の必要以上のつぶれを抑制し、断線を防止することができる。さらには、大径の被膜付導電線についても対応可能な接続方法であるという効果を有する。 According to the present invention, since the connection method as described above is adopted, the fusing terminal that does not require a shaving process has a simple configuration in which only a protrusion is provided at the bent portion, so that the manufacturing cost can be reduced. In addition, by having the protrusions, it is possible to suppress undesired crushing of the coated conductive wire and prevent disconnection during fusing. Furthermore, it has the effect that it is a connection method that can also cope with a large-diameter coated conductive wire.

実施の形態１によるヒュージング用端子と被膜付導電線がヒュージング加工された状態を示す図である。It is a figure which shows the state by which the terminal for fusing by Embodiment 1 and the electrically conductive wire with a film were fusing processed. 実施の形態１によるヒュージング用端子の製造法を示す図である。5 is a diagram illustrating a method for manufacturing a fusing terminal according to Embodiment 1. FIG. 実施の形態１によるヒュージング用端子と被膜付導電線のヒュージングを行う前の工程を説明する図である。It is a figure explaining the process before performing the fusing of the terminal for fusing by Embodiment 1, and a conductive wire with a film. 実施の形態１によるヒュージング用端子を用いたヒュージング加工を示す図である。FIG. 5 is a diagram showing fusing processing using the fusing terminal according to the first embodiment. 実施の形態２によるヒュージング用端子を示す図である。FIG. 6 is a diagram illustrating a fusing terminal according to a second embodiment.

実施の形態１．
以下、この発明の実施の形態１を図に基づいて説明する。
図１は、ヒュージング用端子１０と被膜付導電線６をヒュージング加工する状態を示す図である。
図において、ヒュージング用端子１０は、第１の本体部１に設けられた第１の折り曲げ部３と、第２の本体部２に設けられた第２の折り曲げ部４とが、この第１、第２の折り曲げ部３、４に接続して設けられた突起部５を介して一体的に構成されている。突起部５は、第１の折り曲げ部３の底部３ａおよび第２の折り曲げ部４の底部４ａから、突起部先端５ａが所定の寸法Ｈの高さとなるように設けられている。
エナメルやポリウレタン、ポリエステル等の被膜が設けられた被膜付導電線６は、第１の本体部１と第２の本体部２との間に挟まれ、かつ突起部５に接する状態でヒュージング加工されている。前記所定の寸法Ｈは、被膜付導電線６の直径の０．５〜１．０倍である。この突起部５が設けてあることにより、ヒュージング用端子１０の実質的な厚さが２倍となり、ヒュージング加工時に被膜付導電線６の必要以上のつぶれを抑制することができ、そのつぶれに起因する強度低下による断線を防止することが可能となる。第１の本体部１は突起部５を含む長さは１０ｍｍ程度であり、図１に示す左端部１ａにて、図示省略した電源供給用のリード線がはんだやスポット溶接される。
第２の本体部２は、突起部５を含む長さは３ｍｍ程度である。被膜付導電線６と接しない第２の本体部２の外面および第１の本体部１の外面は、図４に示すようにヒュージング装置の上下電極棒７、８でそれぞれ加圧される。 Embodiment 1 FIG.
Embodiment 1 of the present invention will be described below with reference to the drawings.
FIG. 1 is a diagram showing a state in which the fusing terminal 10 and the coated conductive wire 6 are subjected to fusing processing.
In the figure, the fusing terminal 10 includes a first bent portion 3 provided in the first main body 1 and a second bent portion 4 provided in the second main body 2. , And is integrally formed through a protruding portion 5 provided to be connected to the second bent portions 3 and 4. The protruding portion 5 is provided so that the protruding portion tip 5 a has a height of a predetermined dimension H from the bottom portion 3 a of the first bent portion 3 and the bottom portion 4 a of the second bent portion 4.
A conductive wire 6 with a coating provided with a coating of enamel, polyurethane, polyester or the like is sandwiched between the first main body 1 and the second main body 2 and is in contact with the protrusion 5 in a fusing process. Has been. The predetermined dimension H is 0.5 to 1.0 times the diameter of the coated conductive wire 6. By providing the protrusions 5, the substantial thickness of the fusing terminal 10 is doubled, and it is possible to suppress the crushing of the coated conductive wire 6 more than necessary during the fusing process. It becomes possible to prevent the disconnection due to the strength reduction caused by. The length of the first main body 1 including the protrusions 5 is about 10 mm, and a power supply lead wire (not shown) is soldered or spot welded at the left end 1a shown in FIG.
The 2nd main-body part 2 is about 3 mm in length including the projection part 5. As shown in FIG. The outer surface of the second main body 2 and the outer surface of the first main body 1 that are not in contact with the coated conductive wire 6 are pressurized by the upper and lower electrode rods 7 and 8 of the fusing device as shown in FIG.

図２に、ヒュージング用端子１０の製作法を示す。
例えば、０．３〜１．５ｍｍ厚の銅等の導電性板材１０ａをプレス型９を用いて上下方向からプレス成形し、被膜付導電線６の直径の０．５〜１．０倍の高さを有する突起部５を設けた後、所要の幅に切断し短冊状のヒュージング用端子材を形成する。
次に、突起部５をはさんで第１の本体部１および第２の本体部２が互いに対向可能となるように第１の本体部１に第１の折り曲げ部３、第２の本体部２に第２の折り曲げ部４を設ける。この時、第１、第２の折り曲げ部３、４のそれぞれの底部３ａ、４ａから突起部先端５ａまでの高さ寸法Ｈは、前述の如く被膜付導電線６の直径の０．５〜１．０倍とするように成形する。 FIG. 2 shows a manufacturing method of the fusing terminal 10.
For example, a conductive plate material 10a such as copper having a thickness of 0.3 to 1.5 mm is press-formed from above and below using a press die 9 and is 0.5 to 1.0 times as large as the diameter of the coated conductive wire 6. After providing the protruding portion 5 having a thickness, it is cut into a required width to form a strip-shaped fusing terminal material.
Next, the first bent portion 3 and the second main body portion are arranged on the first main body portion 1 so that the first main body portion 1 and the second main body portion 2 can be opposed to each other with the protruding portion 5 interposed therebetween. 2 is provided with a second bent portion 4. At this time, the height dimension H from the bottom 3a, 4a of each of the first and second bent portions 3, 4 to the protrusion tip 5a is 0.5 to 1 of the diameter of the coated conductive wire 6 as described above. Molding to be 0 times.

ヒュージング用端子１０を用いた被膜付導電線６の接続方法を以下に説明する。
図３に示すように、ヒュージングが行われる以前に第２の本体部２を曲げ起こす。
エナメル線等の被膜が施された被膜付導電線６を第１の本体部１で突起部５の付近に設置し、仮カシメを行い図示省略したヒュージング装置へとセットする。
図４のようにヒュージング装置にあるタングステンやモリブデン等の先端がフラットの金属製の上側電極棒７と下側電極棒８で加圧し通電を行うことにより、抵抗熱が発生しヒュージング用端子１０が発熱し被膜付導電線６の絶縁被膜が溶融し、ヒュージング用端子１０と被膜付導電線６とが電気的に接続される。
被膜付導電線６とヒュージング用端子１０とが電気的に接続される際に、熱をかけながら加圧を行うことで、従来技術では被膜付導電線６の必要以上の潰れにより、強度が低下することが起因する被膜付導電線６の断線が発生していたが、この実施の形態１のヒュージング用端子１０を用いることで、板厚が２倍となり被膜付導電線６の必要以上の潰れによる断線を防ぐことができる。また、簡単な製造工程でヒュージング用端子１０が作成可能であり、生産性が向上し、かつコストが低減するという効果がある。
なお、本願発明の突起部先端５ａの第１、第２の折り曲げ部底部３ａ、４ａからの高さＨを被膜付導電線６の直径の０．５〜１．０倍と設定した理由は、使用する銅等の材料をあまり使用せず、被膜付導電線６の潰れによる断線の発生しないという効果が得られる高さであり、かつ接続時の電流経路を長くすると熱効率が悪くなることを防止した適度な高さＨとしたものである。 A method for connecting the coated conductive wire 6 using the fusing terminal 10 will be described below.
As shown in FIG. 3, the second main body 2 is bent before fusing.
A coated conductive wire 6 coated with a coating such as an enameled wire is installed in the vicinity of the projection 5 in the first main body 1 and is temporarily crimped and set in a fusing apparatus (not shown).
As shown in FIG. 4, resistance is generated by pressing the upper electrode rod 7 and the lower electrode rod 8 made of metal such as tungsten or molybdenum in the fusing apparatus with flat ends, thereby generating a fusing terminal. 10 generates heat, the insulating coating of the coated conductive wire 6 is melted, and the fusing terminal 10 and the coated conductive wire 6 are electrically connected.
When the coated conductive wire 6 and the fusing terminal 10 are electrically connected, by applying pressure while applying heat, in the conventional technology, the coated conductive wire 6 is crushed more than necessary and the strength is increased. Although the disconnection of the coated conductive wire 6 caused by the reduction occurred, the use of the fusing terminal 10 of the first embodiment doubled the plate thickness and was more than necessary for the coated conductive wire 6. Disconnection due to crushing can be prevented. In addition, the fusing terminal 10 can be created with a simple manufacturing process, and the productivity is improved and the cost is reduced.
The reason why the height H from the first and second bent portion bottoms 3a and 4a of the protrusion tip 5a of the present invention is set to 0.5 to 1.0 times the diameter of the coated conductive wire 6 is as follows. It is a height that does not use much copper and other materials, prevents the occurrence of disconnection due to crushing of the coated conductive wire 6, and prevents the thermal efficiency from deteriorating if the current path at the time of connection is lengthened. The moderate height H is obtained.

実施の形態２．
実施の形態１では、突起部５が第１の本体部１、第２の本体部２側に突出するように設けられる例を示したが、図５に示すように第１の本体部１、第２の本体部２より外側に突出するよう設けても同様の効果を奏することができる。 Embodiment 2. FIG.
In the first embodiment, the example in which the protruding portion 5 is provided so as to protrude toward the first main body portion 1 and the second main body portion 2 is shown. However, as shown in FIG. Even if it is provided so as to protrude outward from the second main body 2, the same effect can be obtained.

１ 第１の本体部、２ 第２の本体部、３ 第１の折り曲げ部、
３ａ 折り曲げ部底部、４ 第２の折り曲げ部、４ａ 折り曲げ部底部、５ 突起部、
５ａ 突起部先端、６ 被膜付導電線、１０ ヒュージング用端子、
Ｈ 底部から突起部先端までの高さ。 1 1st main-body part, 2nd 2nd main-body part, 3 1st bending part,
3a bent part bottom part, 4 second bent part, 4a bent part bottom part, 5 protrusion part,
5a protrusion tip, 6 coated conductive wire, 10 fusing terminal,
H Height from the bottom to the tip of the protrusion.

Claims (3)

次のステップを備えたことを特徴とするヒュージング用端子と被膜付導電線の接続方法。A method for connecting a fusing terminal and a coated conductive wire, comprising the following steps:
ステップ１．プレス成形により導電性板材に突起部を設け、前記突起部をはさんで第１の本体部と第２の本体部とを形成するステップ。Step 1. Providing a projection on the conductive plate by press molding, and forming a first main body and a second main body by sandwiching the projection;
ステップ２．前記第１の本体部に第１の折り曲げ部を、前記第２の本体部に第２の折り曲げ部を板面が対向するように形成するステップ。Step 2. Forming a first bent portion on the first main body and a second bent portion on the second main body so that the plate surfaces face each other;
ステップ３．前記第２の本体部を曲げ起こし、前記被膜付導電線を前記第１の本体部の前記突起部の付近に設置し、ヒュージング装置にセットするステップ。Step 3. Bending the second main body, placing the coated conductive wire in the vicinity of the protrusion of the first main body, and setting the fusing device;
ステップ４．前記ヒュージング装置によって、前記第１の本体部と前記第２の本体部とを介して、前記被膜付導電線が必要以上に潰れないよう加圧され、通電によって前記第１の本体部と前記第２の本体部に溶着されるステップ。Step 4. The fusing device pressurizes the coated conductive wire through the first main body and the second main body so as not to be unnecessarily crushed. Welding to the second body. 前記第１の本体部、前記第１の折り曲げ部、前記第２の本体部、前記第２の折り曲げ部および前記突起部が１つの導電性板材にて形成されていることを特徴とする請求項１に記載のヒュージング用端子と被膜付導電線の接続方法。 The said 1st main-body part, the said 1st bending part, the said 2nd main-body part, the said 2nd bending part, and the said projection part are formed with one electroconductive board | plate material, It is characterized by the above-mentioned. A method for connecting the fusing terminal according to 1 and the conductive wire with a coating . 前記第１の折り曲げ部の底部、前記第２の折り曲げ部の底部から、前記突起部の先端までの寸法が前記被膜付導電線の直径の０．５〜１．０倍とされていることを特徴とする請求項１に記載のヒュージング用端子と被膜付導電線の接続方法。 Bottom of the first bending portion, the bottom portion of the second bent portion, that dimension to the tip of the protrusion is 0.5 to 1.0 times the diameter of said coating Tsukeshirube wire The method for connecting a fusing terminal and a coated conductive wire according to claim 1, characterized in that :
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