JPH02213104A - Transformer - Google Patents
TransformerInfo
- Publication number
- JPH02213104A JPH02213104A JP1034063A JP3406389A JPH02213104A JP H02213104 A JPH02213104 A JP H02213104A JP 1034063 A JP1034063 A JP 1034063A JP 3406389 A JP3406389 A JP 3406389A JP H02213104 A JPH02213104 A JP H02213104A
- Authority
- JP
- Japan
- Prior art keywords
- terminal pin
- insulating case
- winding
- mounting hole
- parts
- 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
Links
- 238000004804 winding Methods 0.000 claims abstract description 30
- 239000011810 insulating material Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000003754 machining Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
- H01F2038/305—Constructions with toroidal magnetic core
Landscapes
- Coils Of Transformers For General Uses (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、漏電警報器や漏電遮断器などに使用される
零相変流器に通した変成器、特にプリント基板への取付
性に優わた端子ピン付の変成器に関するものである。[Detailed Description of the Invention] (Field of Industrial Application) This invention is a transformer that is connected to a zero-phase current transformer used in earth leakage alarms, earth leakage circuit breakers, etc., and is particularly suitable for installation on printed circuit boards. This relates to a transformer with cotton terminal pins.
第６図、第７図は例えば実開昭６１−１１２６２７号公
報に示された従来の変成器を示す上面図及びその縦断面
図であり、零相変流器の構造を示している。これらの図
において、１は二次巻線を巻回した環状鉄心、２ａ、２
ｂはその二次＠線の巻始め部及び巻終り部、３は環状鉄
心１を中央の環状カップ部３ａに収゛納した合成樹脂か
ら成る絶縁ケース、４は絶縁ケース３の耳部である両Ｉ
１１端部３ｂに設けたピン取付孔、５は各々のピン取付
孔４Ｌ’−１４ｍが挿入された＠ｒピンで、それぞれ上
記巻線の巻始め部２ａと巻終り部２ｂが若干巻回されて
接続されている。６は端子ピン５の位置決め部材で、端
子ピン５は取付孔４の中でこの位置決め部材６と絶縁ケ
ース３の両側端部３ｂに設けられた凹所３ｃによって位
置決めされている。FIGS. 6 and 7 are a top view and a vertical cross-sectional view of a conventional transformer disclosed in, for example, Japanese Utility Model Application Publication No. 112627/1983, and show the structure of a zero-phase current transformer. In these figures, 1 is an annular core around which a secondary winding is wound, 2a, 2
b is the winding start and end of the secondary @ wire, 3 is an insulating case made of synthetic resin in which the annular core 1 is housed in the central annular cup part 3a, and 4 is the lug of the insulating case 3. Both I
11 pin mounting holes provided in the end portion 3b; 5 is an @r pin into which each of the pin mounting holes 4L'-14m is inserted; connected. Reference numeral 6 denotes a positioning member for the terminal pin 5, and the terminal pin 5 is positioned in the mounting hole 4 by the positioning member 6 and recesses 3c provided in both ends 3b of the insulating case 3.
７は絶縁ケース３内に充填した絶縁材で、上記巻線を施
した環状鉄心！及び端子ピン５を絶縁ケース３内に固定
している。7 is an insulating material filled in the insulating case 3, and is a ring-shaped core with the above-mentioned windings! and a terminal pin 5 are fixed inside the insulating case 3.
第８図は上記位置決め部材６の構成を示す断面図である
。この位置決め部材６は、上記端子ピン５が嵌挿する貫
通孔８を有しており、−ａｌｌはテーバ状に広がってい
る。FIG. 8 is a sectional view showing the structure of the positioning member 6. As shown in FIG. This positioning member 6 has a through hole 8 into which the terminal pin 5 is inserted, and -all widens in a tapered shape.
上記のように零相変流器として構成された変成器におい
ては、二次＠線を巻回した環状鉄心１が絶縁ケース３の
環状カップ３ａに収納され、また、二次巻線の巻始め部
２ａ、＠終り部２ｂを一端側で接続した端子ピン５が絶
縁ケース３の両側端部３ｂの取付孔４に挿入されており
、これらの環状鉄心！及び端子ピン５は絶縁ケース３内
で絶縁材７の充填によって固定されている。ここで、上
記各端子ピン５は、絶縁ケース３の両側端部３ｂに設け
られた凹所３ｃに底部が載せられ、また取付孔４に配置
される位置決め部材６に嵌挿することによって位置決め
されている。そして、二次４！線の４！１ＡＩＩＩを収
容する取付孔４内の空間部に絶縁材７が充填され、これ
によって端子ピン５が絶縁ケース３の両側端部３ｂに固
定されている。In the transformer configured as a zero-phase current transformer as described above, the annular iron core 1 around which the secondary @ wire is wound is housed in the annular cup 3a of the insulating case 3, and the winding start point of the secondary winding is A terminal pin 5, which connects the part 2a and the end part 2b at one end, is inserted into the mounting hole 4 at both ends 3b of the insulating case 3, and these annular cores! The terminal pins 5 are fixed within the insulating case 3 by being filled with an insulating material 7. Here, each of the terminal pins 5 is positioned with its bottom placed in a recess 3c provided at both ends 3b of the insulating case 3, and fitted into a positioning member 6 disposed in the mounting hole 4. ing. And secondary 4! The space in the attachment hole 4 that accommodates the 4!1AIII wire is filled with an insulating material 7, thereby fixing the terminal pin 5 to both ends 3b of the insulating case 3.
すなわち、端子ピン５の下端が取付孔４の底部の凹所３
ｃに係止され、その上部から貫通孔８にがたつきのない
状態でこの端子ピン５を外嵌させた位置決め部材６が取
付孔４に内嵌され、これにより端子ピン５が取付孔４の
中で位置決めされている。That is, the lower end of the terminal pin 5 is located in the recess 3 at the bottom of the mounting hole 4.
The positioning member 6, which has the terminal pin 5 fitted externally into the through hole 8 from above without play, is fitted into the mounting hole 4, and thereby the terminal pin 5 is inserted into the mounting hole 4. positioned inside.
（発明が解決しようとする課！１１）
従来の変ｆＡ器は以上のように構成されており、巻線の
巻始め部と巻終り部が接続される端子ピンを、二つの嵌
挿部を持つ位置決め部材と（ｆｆ置決め川の凹所によっ
て所定の位置に保持しているため、端子ピンの位置決め
用部品の加工が難しく、また組立ても容易でなく、工程
数も増えるという問題点があった。(Problem to be solved by the invention! 11) The conventional f/A transformer is constructed as described above, and the terminal pin to which the winding start and winding ends are connected is connected to the two fitting parts. Since the terminal pin is held in place by a recess in the positioning member (ff), it is difficult to process the positioning parts for the terminal pin, it is not easy to assemble, and the number of steps increases. Ta.
すなわち、端子ピンの位置決め精度、がたつきの具合、
取付けの難易度は、上記位置決め部材の取付孔に対する
内嵌精度と、その貫通孔の端子ピンに対する外嵌精度の
両者に関係し、位置決め用の凹所の精度にも関係するの
で、位置決め部材及び凹所の加工が難しく、また組立て
の際の嵌挿−［程が容易でないという問題点があった。In other words, the positioning accuracy of the terminal pin, the degree of looseness,
The degree of difficulty of installation is related to both the accuracy of the internal fitting of the positioning member into the mounting hole and the external fitting accuracy of the through hole to the terminal pin, and is also related to the accuracy of the positioning recess. There were problems in that machining of the recess was difficult and it was not easy to fit and insert during assembly.
この発明は、上記のような問題点を解消するためになさ
れたもので５位置決め用部品の加工及び組立てが容易で
、また工程数も少なくてすむ変成器を４１４ることを目
的としている。This invention was made to solve the above-mentioned problems, and an object of the present invention is to provide a transformer in which the processing and assembly of positioning parts is easy and the number of steps is reduced.
（！ＩＩＩを解決するための手段〕
この発明に係る変成器は５巻線を巻回した鉄心を絶縁ケ
ースに収納し、この絶縁ケースの両側端部に設けた取付
孔にそれぞれ端子ピンの一端側を挿入し、各々の端子ピ
ンに上記巻線の巻始め部と巻終り部をそれぞれ接続し、
これらの巻線を施した鉄心及び端子ピンを上記絶縁ケー
ス内に絶縁材を充填して固定するものにおいて、上記端
子ピンの一端側の側面に、絶縁ケースの取付孔の孔径に
近い外径を持つ突出部を設けたものである。(Means for solving !III) The transformer according to the present invention houses an iron core wound with five windings in an insulating case, and one end of the terminal pin is inserted into each mounting hole provided at both ends of the insulating case. Connect the winding start and end of the winding to each terminal pin, respectively.
In the case where the wire-wound iron core and the terminal pin are fixed by filling the insulating case with an insulating material, the side surface of one end of the terminal pin is provided with an outer diameter close to the diameter of the mounting hole in the insulating case. It is provided with a protrusion that can be held.
この発明の変成器においては、端子ピンに絶縁ケースの
取付孔の孔径に近い外径を持つ突出部が設けられている
ので、この突出部が取付孔に挿入する際のガイドとなり
、組立てが容易で、また部品の加工も容易である。In the transformer of this invention, since the terminal pin is provided with a protrusion having an outer diameter close to the diameter of the mounting hole in the insulating case, this protrusion serves as a guide when inserting into the mounting hole, facilitating assembly. Also, the parts are easy to process.
第１図、第２図はこの発明の一実施例による変Ｊ′＆器
を示すＦ面図及びその縦断面図であり、従来の第６図、
第７図と同一符号は同一構成部分を示している。図にお
いて、１は二次巻線を巻回した環状鉄心、２ａ、２ｂは
二次巻線の巻始め部及び巻終り部、３は環状鉄心１を環
状カップ部３ａに収納した絶縁ケース、４は絶縁ケース
３の両ａ！ａ１部３ｂに設けた取付孔、５は取付孔４に
一端側が挿入して固定されている端子ピンで、二次巻線
の巻始め部２ａ、＠終り部２ｂがそれぞれ接続さゎてい
る。７は絶縁ケース３内に充填した絶縁材で、上記二次
巻線を施した環状鉄心ｌ及び端子ピン５を固定している
。９は＠ｆピン５の一端側のｇｓ面に設けた位置決め用
のつばで、絶縁ケース３の取付孔４の孔径に近い外径を
持つ突出部として形成されている。FIGS. 1 and 2 are a side view F and a vertical sectional view thereof showing a variable J'& device according to an embodiment of the present invention, and FIGS.
The same reference numerals as in FIG. 7 indicate the same components. In the figure, 1 is an annular core around which a secondary winding is wound, 2a and 2b are the winding start and end parts of the secondary winding, 3 is an insulating case in which the annular core 1 is housed in an annular cup part 3a, and 4 is both a of insulation case 3! The mounting hole 5 provided in the a1 section 3b is a terminal pin whose one end side is inserted and fixed into the mounting hole 4, and the winding start part 2a and @end part 2b of the secondary winding are respectively connected. Reference numeral 7 denotes an insulating material filled in the insulating case 3, which fixes the annular iron core l having the secondary winding and the terminal pin 5. Reference numeral 9 denotes a positioning collar provided on the gs surface of one end of the @f pin 5, and is formed as a protrusion having an outer diameter close to the diameter of the mounting hole 4 of the insulating case 3.
第３図は上記つば９を有した端子ピン５を拡大して示す
もので、このっば９は二個所に設けられ、その間に巻線
重付Ｒ５ａが形成されている。FIG. 3 shows an enlarged view of the terminal pin 5 having the flange 9. The flange 9 is provided at two locations, and the winding weight R5a is formed between them.
また、第４図はっば９の形状の一例を示す図で、第４図
（ａ）は円ｎ状のもの、第４図（ｂ）は四角柱状のもの
をそわぞれ示している。FIG. 4 is a diagram showing an example of the shape of the hub 9. FIG. 4(a) shows a circular n-shaped one, and FIG. 4(b) shows a rectangular prism-shaped one.
上記のように構成された零相変流器においては、従来と
同様各端子ピン５の一端側が絶縁ケース３の取付孔４に
挿入され、絶縁材７の充填によって固定されている。こ
こで、上記端子ピン５にはつば９が形成されているので
、このっば９が取付孔４に挿入する際のガイドとなり、
端子ピン５を容易に位置決めして固定することができる
。In the zero-phase current transformer configured as described above, one end side of each terminal pin 5 is inserted into the mounting hole 4 of the insulating case 3 and fixed by filling with the insulating material 7, as in the conventional case. Here, since the terminal pin 5 is formed with a collar 9, this collar 9 serves as a guide when inserting into the mounting hole 4.
The terminal pin 5 can be easily positioned and fixed.
すなわち、端子ピン５に設けたつば９の外径は絶縁ケー
ス３の取付孔４の孔径に近いものとなっており、この一
つのつば９が上記取付孔４内に適当な遊隙（公差）をも
って挿入され、他の部材との開（Ａにルノ約されること
なく位置決めされる。また、取付孔４の凹所３ｃに底部
が係止することにより、確実に位置決めされて固定され
る。従って、組立て工程が容易なものとなり、工程数も
少なく、位置決め用部品となる端子ピン５のつば９及び
絶縁ケース３の取付孔４の加工も容易である。また、端
子ピン５の側面から突出したつば９によって、二次巻Ｍ
端末の填付スペースとなる巻線取付部５ａが８易に確保
される。That is, the outer diameter of the collar 9 provided on the terminal pin 5 is close to the diameter of the mounting hole 4 of the insulating case 3, and this one collar 9 creates an appropriate play (tolerance) within the mounting hole 4. The mounting hole 4 is inserted into the mounting hole 4, and the mounting hole 4 is inserted into the mounting hole 4, so that the mounting hole 4 is inserted into the mounting hole 4. Therefore, the assembly process is easy, the number of steps is small, and the collar 9 of the terminal pin 5, which is a positioning part, and the mounting hole 4 of the insulating case 3 can be easily processed. By Shitatsuba 9, secondary volume M
The winding attachment portion 5a, which serves as a space for fitting the terminal, is easily secured.
７Ｉｃ５図（ａ）、（ｂ）はこの発明の他の実施例を示
す図で、それぞれ端子ピン５の正面図及び側面図を示し
ている。この端子ピン５の取付孔４に挿入される一端側
の側面には二つの爪１ｏが突出部として設けられており
、その外径はｎ１述の実施例のつば９と同様取付孔４の
孔径に近いものとなりでいる。このような構成であって
も、前記実施例と同様位置決め用部品の加工及び組立て
が容易で、また工程数も少なくなる。7Ic5 Figures (a) and (b) are diagrams showing other embodiments of the present invention, showing a front view and a side view of the terminal pin 5, respectively. Two claws 1o are provided as protrusions on the side surface of one end of the terminal pin 5 that is inserted into the mounting hole 4, and the outer diameter of the claws 1o is the same as the diameter of the mounting hole 4 in the same manner as the collar 9 of the embodiment described in n1. It is close to . Even with such a configuration, the processing and assembly of the positioning parts is easy and the number of steps is reduced, as in the previous embodiment.
なお、上記各実施例では端子ピン５の側面に突出部を二
個所に設けた場合を示したが、この突出部は一個所でも
三個所以上設けても良い、但し、二個所以上設ける場合
は取付孔４の底部の凹所３ｃはなくても良いが、−個所
の場合は凹所３ｃがある方が望ましい。In each of the above embodiments, the case where two protrusions are provided on the side surface of the terminal pin 5 is shown, but the protrusions may be provided at one or three or more locations.However, if two or more protrusions are provided, Although the recess 3c at the bottom of the mounting hole 4 may not be provided, it is preferable to provide the recess 3c in the case of a negative position.
また、本発明は実施例の零相変流器は勿論、般の変流器
あるいは変圧器にも適用することができるものである。Furthermore, the present invention can be applied not only to the zero-phase current transformer of the embodiment, but also to general current transformers or transformers.
（発明の効果〕
以上のように、この発明によりば、端子ピンの側面に取
付孔の孔径に近い外径を持つ突出部を設けた構成とした
ため、端子ピンの位置決め用部品の加工が容易で、組立
ても容易となり、また工程数も少なくなるという効果が
ある。(Effects of the Invention) As described above, according to the present invention, since the terminal pin has a structure in which a protruding portion having an outer diameter close to the diameter of the mounting hole is provided on the side surface, it is easy to process the parts for positioning the terminal pin. This has the effect of making assembly easier and reducing the number of steps.
第１図はこの発明の一実施例を示す上面図、７ＩＳ２図
はその縦断面図、第３図は第１図及び第２図の端ｆ−ピ
ンを拡大して示す正面図、第４図（ａ）、（ｂ）は第３
図のつばの形状の一例を示す斜視図、７ＪＪ５図（ａ）
、（ｂ）はこの発明の他の実施例を示す正面図及び側面
図、第６図は従来例を示す上面図、′ｓ７図はその縦断
面図、第８図は第７図の位置決め部材の構成を示す断面
図である。
１−−−−環状鉄心
２ ａ −−−−一巻始め部
２ ｂ ・・・−巻終り部
３−一絶縁ケース
３ａ−−−一環状カツブ部
３ｂ・・・・−両側端部
３ｃ・−・・・凹所
４−−−−−取付孔
５・−・・一端子ピン
７・−一絶縁材
９−・一つば（突出部）
！０・・・−爪（突出部）
なお、図中同一符号は同一または相当部分を示す。FIG. 1 is a top view showing an embodiment of the present invention, FIG. 7IS2 is a longitudinal sectional view thereof, FIG. 3 is a front view showing an enlarged view of the end f-pin in FIGS. 1 and 2, and FIG. 4 (a) and (b) are the third
A perspective view showing an example of the shape of the brim in the figure, Figure 7JJ5 (a)
, (b) are front and side views showing another embodiment of the present invention, FIG. 6 is a top view showing a conventional example, 's7 is a vertical sectional view thereof, and FIG. 8 is a positioning member shown in FIG. FIG. 1----Annular iron core 2a---One winding start part 2b...---One winding end part 3--One insulation case 3a---Annular tongue part 3b---Both sides ends 3c・---Recess 4--Mounting hole 5--One terminal pin 7--One insulating material 9--One flange (projection)! 0...-claw (protrusion) Note that the same reference numerals in the drawings indicate the same or corresponding parts.
Claims (1)
ケースの両側端部に設けた取付孔にそれぞれ端子ピンの
一端側を挿入し、各々の端子ピンに上記巻線の巻始め部
と巻終り部をそれぞれ接続し、これらの巻線を施した鉄
心及び端子ピンを上記絶縁ケース内に絶縁材を充填して
固定した変成器において、上記端子ピンの一端側の側面
に、絶縁ケースの取付孔の孔径に近い外径を持つ突出部
を設けたことを特徴とする変成器。The iron core with the winding wire wound thereon is stored in an insulating case, and one end of the terminal pins is inserted into the mounting holes provided at both ends of the insulating case, and the starting part of the winding and the winding start part of the above-mentioned winding are inserted into each terminal pin. In a transformer in which the winding ends are connected and the core and terminal pin with these windings are fixed by filling the insulating case with an insulating material, a side surface of one end of the terminal pin is provided with the insulating case. A transformer characterized by having a protrusion having an outer diameter close to the diameter of a mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1034063A JPH02213104A (en) | 1989-02-14 | 1989-02-14 | Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1034063A JPH02213104A (en) | 1989-02-14 | 1989-02-14 | Transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02213104A true JPH02213104A (en) | 1990-08-24 |
Family
ID=12403807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1034063A Pending JPH02213104A (en) | 1989-02-14 | 1989-02-14 | Transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02213104A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0446527U (en) * | 1990-08-22 | 1992-04-21 | ||
| JP2007107652A (en) * | 2005-10-14 | 2007-04-26 | Denso Corp | Solenoid valve, and manufacturing method of same |
| JP2014192282A (en) * | 2013-03-27 | 2014-10-06 | Nec Commun Syst Ltd | Terminal structure, method of manufacturing terminal structure, and transformer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917221A (en) * | 1982-07-21 | 1984-01-28 | Kijima Musen Kk | Fitting method for terminal pin of small-sized electric winding part |
-
1989
- 1989-02-14 JP JP1034063A patent/JPH02213104A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917221A (en) * | 1982-07-21 | 1984-01-28 | Kijima Musen Kk | Fitting method for terminal pin of small-sized electric winding part |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0446527U (en) * | 1990-08-22 | 1992-04-21 | ||
| JP2007107652A (en) * | 2005-10-14 | 2007-04-26 | Denso Corp | Solenoid valve, and manufacturing method of same |
| JP4561583B2 (en) * | 2005-10-14 | 2010-10-13 | 株式会社デンソー | Manufacturing method of solenoid valve |
| JP2014192282A (en) * | 2013-03-27 | 2014-10-06 | Nec Commun Syst Ltd | Terminal structure, method of manufacturing terminal structure, and transformer |
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