JPH0241663U - - Google Patents
Info
- Publication number
- JPH0241663U JPH0241663U JP11836388U JP11836388U JPH0241663U JP H0241663 U JPH0241663 U JP H0241663U JP 11836388 U JP11836388 U JP 11836388U JP 11836388 U JP11836388 U JP 11836388U JP H0241663 U JPH0241663 U JP H0241663U
- Authority
- JP
- Japan
- Prior art keywords
- elastic material
- conductive elastic
- rotor
- motor
- coefficient thermistor
- 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.)
- Granted
Links
- 239000013013 elastic material Substances 0.000 claims 4
- 238000004804 winding Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Description
第１図および第２図は各々本考案の実施例を示
す一部断面要部内側面図、第３図は本考案の前提
となる周知の一般的な小型モータの構成図、第４
図は正特性サーミスタによる過熱防止機能を説明
するための説明図である。
４……コミテータ、１０……モータ蓋板、２２
……内部端子、２２ａ，２２ｂ……脚部、２３…
…端子ホルダ、２４……ブラシアーム、２４ａ，
２４ｂ……端部、２５……ブラシホルダ、２６…
…正特性サーミスタ。
1 and 2 are partially cross-sectional internal side views of main parts showing embodiments of the present invention, FIG. 3 is a configuration diagram of a well-known general small motor that is the premise of the present invention, and FIG.
The figure is an explanatory diagram for explaining the overheating prevention function by a positive temperature coefficient thermistor. 4... Commutator, 10... Motor cover plate, 22
...Internal terminal, 22a, 22b...Legs, 23...
...Terminal holder, 24...Brush arm, 24a,
24b... end, 25... brush holder, 26...
...Positive characteristic thermistor.
Claims (1)
コアに複数個の回転子巻線が巻回されてなる回転
子とをそなえ、モータ蓋板に支持された給電用の
ブラシに摺動接触するコミテータを介して上記回
転子巻線に電流を供給するよう構成されると共に
、上記回転子巻線に対する電流を制御する正特性
サーミスタをそなえた小型モータにおいて、 モータ蓋板内に導電弾性材料からなりかつ外部
端子と接続されるべき１対の内部端子と、導電弾
性材料からなりかつ給電用のブラシと一体に形成
された１対のブラシアームとを設けると共に、導
電弾性材料からなりかつ少なくとも前記一方の内
部端子と電気的に接続されてなる挟着部材と、導
電弾性材料からなりかつ少なくとも前記一方のブ
ラシアームと電気的に接続されてなる他の挟着部
材との間に、正特性サーミスタを挟着保持したこ
とを特徴とする正特性サーミスタをそなえた小型
モータ。[Claims for Utility Model Registration] A motor comprising a stator having a permanent magnet for forming a field and a rotor having a plurality of rotor windings wound around a rotor core, and supported by a motor cover plate. A small motor configured to supply current to the rotor winding via a commutator that is in sliding contact with the power supply brushes, and equipped with a positive temperature coefficient thermistor that controls the current to the rotor winding. A pair of internal terminals made of a conductive elastic material and to be connected to an external terminal are provided in the lid plate, and a pair of brush arms made of a conductive elastic material and integrally formed with a power supply brush, A clamping member made of a conductive elastic material and electrically connected to at least one of the internal terminals, and another clamping member made of a conductive elastic material and electrically connected to at least the one brush arm. A small motor equipped with a positive temperature coefficient thermistor, characterized in that a positive coefficient thermistor is sandwiched and held between the motor.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988118363U JP2579718Y2 (en) | 1988-09-09 | 1988-09-09 | Small motor with positive temperature coefficient thermistor |
| US07/402,499 US5010264A (en) | 1988-09-09 | 1989-09-01 | Miniature motor having positive-coefficient thermistor |
| DE3929718A DE3929718C3 (en) | 1988-09-09 | 1989-09-07 | Small motor with positive temperature coefficient thermistor |
| CN89107231A CN1023171C (en) | 1988-09-09 | 1989-09-09 | Miniature motor having positive-coefficient thermistor |
| GB8920512A GB2222730B (en) | 1988-09-09 | 1989-09-11 | Miniature motor with positive-coefficient thermistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988118363U JP2579718Y2 (en) | 1988-09-09 | 1988-09-09 | Small motor with positive temperature coefficient thermistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0241663U true JPH0241663U (en) | 1990-03-22 |
| JP2579718Y2 JP2579718Y2 (en) | 1998-08-27 |
Family
ID=31362655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988118363U Expired - Lifetime JP2579718Y2 (en) | 1988-09-09 | 1988-09-09 | Small motor with positive temperature coefficient thermistor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2579718Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04172946A (en) * | 1990-11-02 | 1992-06-19 | Nkk Corp | Dc miniature motor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5391358A (en) * | 1976-12-10 | 1978-08-11 | Otter Controls Ltd | Thermal protector for motor |
-
1988
- 1988-09-09 JP JP1988118363U patent/JP2579718Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5391358A (en) * | 1976-12-10 | 1978-08-11 | Otter Controls Ltd | Thermal protector for motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04172946A (en) * | 1990-11-02 | 1992-06-19 | Nkk Corp | Dc miniature motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2579718Y2 (en) | 1998-08-27 |