JPS6110465Y2 - - Google Patents
Info
- Publication number
- JPS6110465Y2 JPS6110465Y2 JP1976171486U JP17148676U JPS6110465Y2 JP S6110465 Y2 JPS6110465 Y2 JP S6110465Y2 JP 1976171486 U JP1976171486 U JP 1976171486U JP 17148676 U JP17148676 U JP 17148676U JP S6110465 Y2 JPS6110465 Y2 JP S6110465Y2
- Authority
- JP
- Japan
- Prior art keywords
- varistor
- commutator
- plate
- governor
- segment
- 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.)
- Expired
Links
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/46—Auxiliary means for improving current transfer, or for reducing or preventing sparking or arcing
- H01R39/54—Auxiliary means for improving current transfer, or for reducing or preventing sparking or arcing by use of impedance between brushes or segments
Landscapes
- Motor Or Generator Current Collectors (AREA)
- Dc Machiner (AREA)
Description
【考案の詳細な説明】
本考案はバリスタを用いたマイクロモータの整
流子セグメント間あるいはガバナ接点間に発生す
る火花を消去する装置に係り、組立容易で、しか
もモータに組込んだ際にもスペース的にも有利な
ものを提供することを目的とする。[Detailed description of the invention] This invention relates to a device that eliminates sparks generated between commutator segments or governor contacts of a micromotor using a varistor. The aim is to provide something that is also advantageous.
従来の火花消去素子としては最も広く用いられ
ているものにバリスタがある。バリスタには、リ
ード線式のものと、板状のものがあり、接続する
場所によつて、それぞれが使い分けされていた。
リード線式のバリスタの場合、各々が一素子であ
るため、整流子又はガバナの各端子に接続する場
合、１個のバリスタにつき、両端子即ち２本のリ
ード線を、それぞれの端子に接続するという手間
がかかり、又その接続も半田付けや、スポツト溶
接によつていたため、信頼性にも欠くものであつ
た。又、板状のバリスタの場合は、各電極を銀電
極とし、整流子やガバナの各端子と半田付けによ
つて接続していた。この場合、それぞれの端子と
バリスタの電極を位置合せして半田付けするた
め、作業性も悪く又、バリスタの銀電極が半田熱
及び時間の不同によつて、はがれを生じたり、バ
リスタ値が変動する等の問題があつた。さらに、
一個のバリスタで、整流子セグメント間と、ガバ
ナ間を共用化するような場合、容量的に不十分な
ため従来、その部分のみ、火花の発生が多く、寿
命や電気雑音等の特性に悪影響を与えていた。 The most widely used conventional spark quenching element is a varistor. There are two types of varistors: lead wire types and plate-shaped ones, and each type was used depending on where it was connected.
In the case of lead wire type varistors, each is one element, so when connecting to each terminal of a commutator or governor, connect both terminals, that is, two lead wires, to each terminal for one varistor. This was a time-consuming process, and since the connections were made by soldering or spot welding, they lacked reliability. In the case of a plate-shaped varistor, each electrode is a silver electrode and is connected to each terminal of a commutator or governor by soldering. In this case, since each terminal and the varistor electrode are aligned and soldered, workability is poor, and the silver electrode of the varistor may peel off due to uneven soldering heat and time, and the varistor value may fluctuate. There were problems such as: moreover,
When a single varistor is shared between commutator segments and governor, the capacity is insufficient, so conventionally, only that part generates a lot of sparks, which has a negative impact on characteristics such as life and electrical noise. was giving.
本考案は上述従来の欠点を解消するものであ
る。以下、本考案の実施例を示す図面によつて説
明する。第１図は本考案を説明するマイクロモー
タの電機子回路の一例であり、１，１はコイル、
２ａ，２ｂ，２ｃ，２ｄは整流子２のセグメン
ト、３はセグメント２ｃと２ｄ間に接続されたガ
バナ、４，５，６，７は各セグメント及びガバナ
間の火花消去用バリスタで、基板部に設けられ、
前記各バリスタのうちバリスタ７は、ガバナと整
流子セグメントの火花消去を共用化している。第
２図及び第３図、第４図において、８は前記バリ
スタ４，５，６，７を１枚の基板部に装備して板
状バリスタとしたバリスタ板で、このバリスタ板
８の各電極８ａ，８ｂ，８ｃ，８ｄ又は９ａ，９
ｂ，９ｃ，９ｄに低融点半田をスクリーン印刷
し、この面を整流子の各セグメント及びガバナの
各端子となる金属部３ａのAA′面に、位置決め接
触させ、低融点半田が融ける温度槽に数分入れ、
バリスタ板８の各電極と整流子とガバナの各端子
である金属部３ａとの電気的接続を行う。１０は
整流子およびガバナを一体成型した絶縁モールド
部で、この一部にバリスタの位置決め用凸部１０
ａを設け、かつ前記バリスタ板８には前記凸部１
０ａに対向した位置決め用の凹部８ｅ又は９ｅを
設け、これら凹部８ｅ又は９ｅと凸部１０ａとを
嵌合させることにより、バリスタ板８の位置決め
を行つている。なお、この凹凸の関係は逆であつ
てもよいことは明らかである。また、整流子２の
各セグメントの一部２ｅは整流子およびガバナの
金属部３ａにかしめ付け等により電気的に接続さ
れている。 The present invention overcomes the above-mentioned drawbacks of the prior art. DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be explained with reference to drawings. Fig. 1 is an example of an armature circuit of a micromotor to explain the present invention, and 1 and 1 are coils,
2a, 2b, 2c, and 2d are segments of the commutator 2; 3 is a governor connected between the segments 2c and 2d; 4, 5, 6, and 7 are varistors for eliminating sparks between each segment and the governor; established,
Among the varistors, varistor 7 shares the function of eliminating sparks between the governor and commutator segments. In FIGS. 2, 3, and 4, reference numeral 8 denotes a varistor plate in which the varistors 4, 5, 6, and 7 are mounted on one substrate to form a plate-shaped varistor, and each electrode of this varistor plate 8 is 8a, 8b, 8c, 8d or 9a, 9
Screen-print low-melting point solder on portions b, 9c, and 9d, position and contact these surfaces with the AA' surface of metal part 3a, which will become each segment of the commutator and each terminal of the governor, and place in a temperature bath where the low-melting point solder melts. Put it in for a few minutes,
Electrical connections are made between each electrode of the varistor plate 8 and the metal portion 3a which is each terminal of the commutator and governor. Reference numeral 10 denotes an insulating molded part in which a commutator and a governor are integrally molded, and a convex part 10 for positioning the varistor is provided in a part of this molded part.
a, and the varistor plate 8 is provided with the convex portion 1.
The varistor plate 8 is positioned by providing a positioning recess 8e or 9e facing 0a and fitting the recess 8e or 9e with the projection 10a. Note that it is clear that the relationship between the concave and convex portions may be reversed. Further, a portion 2e of each segment of the commutator 2 is electrically connected to the metal portion 3a of the commutator and governor by caulking or the like.
第４図は第３図と同様にバリスタ板を示すが、
前記ガバナ間と整流子セグメント間を共用化する
バリスタ７に相当するバリスタの容量をバリスタ
面積を大きくすることによつて、他のバリスタ
４，５，６に比べ大きくしたもので、この間の火
花吸収を良くしているものである。 Figure 4 shows the varistor plate similarly to Figure 3, but
By increasing the varistor area, the capacity of the varistor corresponding to the varistor 7 that shares the space between the governor and the commutator segment is made larger than that of the other varistors 4, 5, and 6, and the spark absorption between these varistors is increased. This is what makes it better.
以上のように本考案のマイクロモータの火花消
去装置は、整流子およびガバナの各端子となる金
属部に整流子の各セグメントを接続し、この接続
部を含む金属部および整流子の各セグメントを絶
縁モールド部にて一体化し、この絶縁モールド部
に板状バリスタの基板部を嵌合させ、かつ板状バ
リスタの電極と整流子およびガバナの端子間を低
融点半田にて電気接続したものであるので、バリ
スタの位置決め、ならびに固定はきわめて容易に
行うことができ、しかも一枚のバリスタでもつて
全ての火花発生箇所の火花消去対策を施こすこと
ができ、モータに組込んだ場合においてもコンパ
クトでスペース的にも有利であり、また、素子に
よる機械的バランスも容易にとれ、確実に保持す
ることができる。さらには、火花発生箇所の大小
に応じたバリスタ容量を変更することにより各端
子間の火花発生を均等に抑えることができる等、
大なる実用効果を有するものである。 As described above, the micromotor spark quenching device of the present invention connects each segment of the commutator to the metal part that becomes each terminal of the commutator and governor, and connects the metal part including this connection part and each segment of the commutator. They are integrated at an insulating mold part, the board part of the plate-shaped varistor is fitted into this insulating mold part, and the electrodes of the plate-shaped varistor and the terminals of the commutator and governor are electrically connected using low melting point solder. Therefore, the positioning and fixing of the varistor can be done extremely easily, and even with a single varistor, measures can be taken to eliminate sparks at all spark generation points, and even when incorporated into a motor, it is compact. It is advantageous in terms of space, and mechanical balance by the elements can be easily achieved and can be held securely. Furthermore, by changing the varistor capacity according to the size of the spark generation point, it is possible to evenly suppress the generation of sparks between each terminal, etc.
This has great practical effects.
第１図は本考案を説明するためのマイクロモー
タの一例を示す電気回路図、第２図は本考案の一
実施例における火花消去装置の絶縁モールド部の
断面図、第３図、第４図はそれぞれ本考案の実施
例におけるバリスタ板の平面図である。
２……整流子、３……ガバナ、３ａ……金属
部、４〜７……バリスタ、８……バリスタ板、８
ａ〜８ｄ，９ａ〜９ｄ……電極、８ｅ，９ｅ……
凹部、１０……絶縁モールド部、１０ａ……凸
部。
Fig. 1 is an electric circuit diagram showing an example of a micromotor to explain the present invention, Fig. 2 is a sectional view of an insulating mold part of a spark quenching device according to an embodiment of the present invention, Figs. 3 and 4. 2A and 2B are plan views of varistor plates in embodiments of the present invention, respectively. 2... Commutator, 3... Governor, 3a... Metal part, 4-7... Varistor, 8... Varistor plate, 8
a-8d, 9a-9d... electrode, 8e, 9e...
Recessed portion, 10... Insulating mold portion, 10a... Convex portion.
Claims (1)
リスタを接続してなるマイクロモータにおい
て、整流子およびガバナの各端子となる金属部
に整流子の各セグメントを接続し、この接続部
を含む前記金属部および整流子の各セグメント
を絶縁モールド部にて一体化し、この絶縁モー
ルド部に板状バリスタの基板部を嵌合させ、か
つ前記金属部と前記板状バリスタの電極を半田
にて電気的に接続して板状バリスタを前記金属
部に固定し、前記ガバナの端子間に電気的接続
される板状バリスタの電極間のバリスタ容量を
他の電極間のそれに比し大きくしてなるマイク
ロモータの火花消去装置。 (2) 絶縁モールド部に位置決め用凸部又は凹部を
設け、金属部に電極が位置するよう前記絶縁モ
ールド部の位置決め用凸部又は凹部に嵌合する
位置決め用凹部又は凸部を板状バリスタの基板
部に設けてなる実用新案登録請求の範囲第１項
記載のマイクロモータの火花消去装置。[Claims for Utility Model Registration] (1) In a micromotor in which a varistor is connected between commutator segments and between governor contacts, each segment of the commutator is connected to a metal part that becomes each terminal of the commutator and governor. , the metal part including the connection part and each segment of the commutator are integrated with an insulating mold part, the board part of the plate-shaped varistor is fitted into this insulating mold part, and the metal part and each segment of the plate-shaped varistor are integrated. The plate-shaped varistor is fixed to the metal part by electrically connecting the electrodes with solder, and the varistor capacitance between the electrodes of the plate-shaped varistor electrically connected between the terminals of the governor is compared to that between other electrodes. A spark quenching device for a larger micro motor. (2) Provide a positioning convex or concave part in the insulating mold part, and place the positioning concave or convex part that fits into the positioning convex part or concave part of the insulating mold part so that the electrode is located on the metal part of the plate-shaped varistor. A spark quenching device for a micromotor according to claim 1, which is provided on a substrate portion.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976171486U JPS6110465Y2 (en) | 1976-12-20 | 1976-12-20 | |
| GB4994077A GB1574229A (en) | 1976-12-20 | 1977-11-30 | Spark quencher attachment for an electric motor |
| BR7708430A BR7708430A (en) | 1976-12-20 | 1977-12-19 | SPARK ERASER ARRANGEMENT OF A SMALL DIMENSION ENGINE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976171486U JPS6110465Y2 (en) | 1976-12-20 | 1976-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5386505U JPS5386505U (en) | 1978-07-17 |
| JPS6110465Y2 true JPS6110465Y2 (en) | 1986-04-03 |
Family
ID=15923985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976171486U Expired JPS6110465Y2 (en) | 1976-12-20 | 1976-12-20 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS6110465Y2 (en) |
| BR (1) | BR7708430A (en) |
| GB (1) | GB1574229A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0050091A1 (en) * | 1980-10-09 | 1982-04-21 | Siemens Aktiengesellschaft | Winding for electric machines or appliances |
| GB2207292A (en) * | 1987-07-09 | 1989-01-25 | Johnson Electric Ind Mfg | Electric motor |
| DE4233132A1 (en) * | 1992-10-02 | 1994-04-07 | Bosch Gmbh Robert | Interference suppressed electrical commutator machine |
| DE102009002664A1 (en) * | 2009-04-27 | 2010-10-28 | Sintertechnik Gmbh | Commutator arrangement for small electric motor, has conductive strips that are connected with each other by resistor of predetermined value, where conductive strips radially run at lower side of capacitor-annular disk |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS442257Y1 (en) * | 1967-03-23 | 1969-01-28 |
-
1976
- 1976-12-20 JP JP1976171486U patent/JPS6110465Y2/ja not_active Expired
-
1977
- 1977-11-30 GB GB4994077A patent/GB1574229A/en not_active Expired
- 1977-12-19 BR BR7708430A patent/BR7708430A/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS442257Y1 (en) * | 1967-03-23 | 1969-01-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1574229A (en) | 1980-09-03 |
| BR7708430A (en) | 1979-07-17 |
| JPS5386505U (en) | 1978-07-17 |
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