JP2017123774A5

JP2017123774A5 -

Info

Publication number: JP2017123774A5
Application number: JP2017021053A
Authority: JP
Filing date: 2017-02-08
Publication date: 2018-03-29
Anticipated expiration: 2033-12-24

Description

本発明の一の局面に従うブラシ付き直流モータは、シャフトと整流子とを含み、回転軸を中心として回転するアマチュアと、整流子に電気的に接続されるブラシと、ブラシに電気的に接続される給電端子と、アマチュアの回転軸の延在方向の一端側を覆うブラケットであって、給電端子を収容する第１の空間を含むブラケットと、第１の空間と、整流子及びブラシが存在する第２の空間との間に配置され、第１の空間と第２の空間とを区画する、電子部品が搭載されたプリント配線板と、を備える。
上記ブラシ付き直流モータにおいて好ましくは、プリント配線板は、第１の表面及び第１の表面に対向する第２の表面を有し、１の表面が第１の空間に面しており、第２の表面が第２の空間に面している。
上記ブラシ付き直流モータにおいて好ましくは、第１の空間は、シャフトの延在方向に対して垂直な方向において、外部と連通している。
上記ブラシ付き直流モータにおいて好ましくは、第２の空間には、ブラシに電気的に接続されたＰＴＣ（ＰｏｓｉｔｉｖｅＴｅｍｐｅｒａｔｕｒｅＣｏｅｆｆｉｃｉｅｎｔ）サーミスタが配置されている。
上記ブラシ付き直流モータにおいて好ましくは、アマチュアの回転軸の延在方向の他端側およびアマチュアの外周側を覆うケースをさらに備え、第２の空間は、ブラケット、ケース、及びプリント配線板によって定義される。
本発明の他の局面に従うブラシ付き直流モータ用部品は、ブラシと、ブラシに電気的に接続される給電端子と、給電端子を収容する第１の空間を含むブラケットと、第１の空間と、ブラシが存在する第２の空間との間に配置され、第１の空間と第２の空間とを区画する区画部材と、を備える。
上記ブラシ付き直流モータ用部品において好ましくは、区画部材は、電子部品が搭載されたプリント配線板よりなる。
上記ブラシ付き直流モータ用部品において好ましくは、区画部材は、第１の表面及び第１の表面に対向する第２の表面を有し、１の表面が第１の空間に面しており、第２の表面が第２の空間に面している。
上記ブラシ付き直流モータ用部品において好ましくは、第２の空間には、ブラシに電気的に接続されたＰＴＣ（ＰｏｓｉｔｉｖｅＴｅｍｐｅｒａｔｕｒｅＣｏｅｆｆｉｃｉｅｎｔ）サーミスタが配置されている。 A DC motor with a brush according to one aspect of the present invention includes a shaft and a commutator, an amateur that rotates about a rotation axis, a brush that is electrically connected to the commutator, and a brush that is electrically connected to the brush. A bracket that covers one end side in the extending direction of the rotation axis of the armature, the bracket including a first space that accommodates the power supply terminal, a first space, a commutator, and a brush. A printed wiring board on which an electronic component is mounted, which is disposed between the second space and partitions the first space and the second space.
Preferably, in the DC motor with brush, the printed wiring board has a first surface and a second surface facing the first surface, the first surface facing the first space, and the second surface The surface faces the second space.
Preferably, in the brushed DC motor, the first space communicates with the outside in a direction perpendicular to the extending direction of the shaft.
In the brush direct current motor, preferably, a PTC (Positive Temperature Coefficient) thermistor electrically connected to the brush is disposed in the second space.
Preferably, the brushed DC motor further includes a case covering the other end side in the extending direction of the rotation shaft of the amateur and the outer peripheral side of the armature, and the second space is defined by the bracket, the case, and the printed wiring board The
A brushed DC motor component according to another aspect of the present invention includes a brush, a power supply terminal electrically connected to the brush, a bracket including a first space that houses the power supply terminal, a first space, And a partition member that is disposed between the second space in which the brush exists and partitions the first space and the second space.
In the brushed DC motor component, preferably, the partition member is a printed wiring board on which electronic components are mounted.
In the brush DC motor component, preferably, the partition member has a first surface and a second surface opposite to the first surface, the first surface facing the first space, The surface of 2 faces the second space.
Preferably, in the brush DC motor component, a PTC (Positive Temperature Coefficient) thermistor electrically connected to the brush is disposed in the second space.

Claims

An amateur including a shaft and a commutator, and rotating about a rotation axis;
A brush electrically connected to the commutator;
A power supply terminal electrically connected to the brush;
A bracket that covers one end of the armature in the extending direction of the rotating shaft, and includes a first space that houses the power supply terminal;
A print on which an electronic component is mounted that is disposed between the first space and the second space where the commutator and the brush exist, and divides the first space and the second space. A brushed DC motor comprising a wiring board.

The printed wiring board has a first surface and a second surface facing the first surface, the first surface faces the first space, and the second surface is the The brushed DC motor according to claim 1, which faces the second space.

The DC motor with brush according to claim 2, wherein the first space communicates with the outside in a direction perpendicular to the extending direction of the shaft.

4. The brushed DC motor according to claim 1, wherein a PTC (Positive Temperature Coefficient) thermistor electrically connected to the brush is disposed in the second space. 5.

A case covering the other end side of the armature in the extending direction of the rotating shaft and an outer peripheral side of the armature;
The brushed DC motor according to claim 1, wherein the second space is defined by the bracket, the case, and the printed wiring board.

Brush and
A power supply terminal electrically connected to the brush;
A bracket including a first space for accommodating the power supply terminal;
For a DC motor with a brush, comprising: a partition member disposed between the first space and a second space in which the brush exists, and partitioning the first space and the second space parts.

The brush motor part according to claim 6, wherein the partition member is a printed wiring board on which electronic parts are mounted.

The partition member has a first surface and a second surface facing the first surface, the first surface faces the first space, and the second surface is the first surface. The direct current motor part with brushes according to claim 6 or 7 which faces 2 space.

9. The brushed DC motor component according to claim 6, wherein a PTC (Positive Temperature Coefficient) thermistor electrically connected to the brush is disposed in the second space.