JPS60241762A - Small-sized motor - Google Patents

Small-sized motor

Info

Publication number
JPS60241762A
JPS60241762A JP9730184A JP9730184A JPS60241762A JP S60241762 A JPS60241762 A JP S60241762A JP 9730184 A JP9730184 A JP 9730184A JP 9730184 A JP9730184 A JP 9730184A JP S60241762 A JPS60241762 A JP S60241762A
Authority
JP
Japan
Prior art keywords
circuit board
pattern
circuit pattern
motor
small
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
Application number
JP9730184A
Other languages
Japanese (ja)
Inventor
Takeshi Okumura
健 奥村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mabuchi Motor Co Ltd
Original Assignee
Mabuchi Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mabuchi Motor Co Ltd filed Critical Mabuchi Motor Co Ltd
Priority to JP9730184A priority Critical patent/JPS60241762A/en
Publication of JPS60241762A publication Critical patent/JPS60241762A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K23/00DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/66Structural association with auxiliary electric devices influencing the characteristic of, or controlling, the machine, e.g. with impedances or switches
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/03Use of materials for the substrate
    • H05K1/05Insulated conductive substrates, e.g. insulated metal substrate
    • H05K1/056Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an organic insulating layer
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/09Use of materials for the conductive, e.g. metallic pattern
    • H05K1/092Dispersed materials, e.g. conductive pastes or inks
    • H05K1/095Dispersed materials, e.g. conductive pastes or inks for polymer thick films, i.e. having a permanent organic polymeric binder
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/22Secondary treatment of printed circuits
    • H05K3/24Reinforcing the conductive pattern
    • H05K3/244Finish plating of conductors, especially of copper conductors, e.g. for pads or lands

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc Machiner (AREA)

Abstract

PURPOSE:To improve an ageing stability by printing a circuit pattern with conductive paste on a metal substrate having a resin coating layer, curing the pattern, and plating nickel on the front surface. CONSTITUTION:A coating layer 14 of epoxy resin or polyester resin is formed on the surface of a metal substrate 1, cleaned, and a circuit pattern 10 is then screen printed with conductive paste 15. After the pattern 10 is then thermally cured, it is aligned, oxide is removed, a nickel plating layer 16 is formed on the surface of the pattern 10, and solder resist printing is then performed.

Description

【発明の詳細な説明】 (A)発明の技術分野 本発明は、小型モータ、特に磁石界磁の小型モーフにお
いて、ガバナなどの電気回路部品を取付りるため、所定
形状の金属基材にエポキシ樹脂またはポリニスケル樹脂
の−!−う一イング層を施し7たものに対してその上に
導電性ベーストで回路パターンを印刷して硬化セしぬ、
さらにこの回路パターンの表面にニッケルメツ4を施し
た回路基板を有する小型モーフに関するものである。
DETAILED DESCRIPTION OF THE INVENTION (A) Technical Field of the Invention The present invention relates to the use of epoxy resin on a metal substrate of a predetermined shape in order to attach electric circuit parts such as a governor in a small motor, especially a small morph of a magnet field. - of resin or polyniskel resin! - Applying another ining layer, printing a circuit pattern on it with a conductive base plate and curing it;
Furthermore, the present invention relates to a small morph having a circuit board in which nickel metal 4 is applied to the surface of this circuit pattern.

(B)発明の背景と問題点 最近、小型モーフは省力化、自動化にともない、精密機
器、音響機器、事務機器などに多用されるようになり、
一層の小型化、高性能化が要求され特に電子ガバナ制御
のためのあるいは電気ノイズ防止のための電気部品など
を小型モータに搭載することが行われている。しかし、
この種の小型モータは大量生産技術の士で生産されるも
のであり、上記電気部品を搭載する回路基板も、モータ
生産過程において機械的衝撃を受り易くまた熱による影
響を受け易い。このために当該回路基板も機械的強度が
強く、かつ、耐2B 14があるものの出現が望まれて
いる。
(B) Background and problems of the invention Recently, small morphs have been widely used in precision equipment, audio equipment, office equipment, etc. due to labor saving and automation.
In response to demands for further miniaturization and higher performance, electrical components for electronic governor control or electrical noise prevention are being mounted on small motors. but,
This type of small motor is produced using mass production techniques, and the circuit board on which the above-mentioned electrical components are mounted is also susceptible to mechanical shock and heat during the motor production process. For this reason, it is desired that the circuit board has strong mechanical strength and resistance to 2B14.

従来、電子ガバナ制御などを行うための電気部品を小型
モータに直接取付ける回路基板には紙基材に樹脂加工を
施したものが多用されていた。しかじ紙基材による回路
基板は熱伝導性が悪く、取付4Jた電気部品の放熱が充
分なされず破損したりする。また小型モータの生産過程
において機械的衝撃を受け易く破損したりする。更に温
度、湿度などによる影響を受けやすく反りや割れが発生
するなどの問題を含んでおり、機械加工精度の面でも必
ずしも十分なものではなかった。
Conventionally, circuit boards for directly attaching electrical components for electronic governor control and the like to small motors have often been made of a paper base coated with resin. A circuit board made of a paper base material has poor thermal conductivity, and the heat dissipation from mounted electrical components is not sufficient, leading to damage. In addition, during the production process of small motors, they are susceptible to mechanical shock and may be damaged. Furthermore, it is easily affected by temperature, humidity, etc., causing problems such as warping and cracking, and machining accuracy has not always been sufficient.

(C)発明の目的と構成 本発明は上記の欠点および要望を解決すること1 を目
的としており、使用される条件に対して、経時的にも安
定しているとともに作業性もよい回路基板を有する小型
モータを提供することを目的としている。そしてそのた
め本発明の小型モータは、モ−タケースを端面に有する
円筒状のモータケースをそなえ、電気回路部を載置する
回路基板をそなえた小型モータにおいて、上記回路基板
を樹脂コーティング層を有する金属基材に導電性ペース
トを用いて回路パターンを印刷すると共に該回路パター
ンを硬化してその表面にニッケルメッキを施すことによ
って形成したことを特徴としている。
(C) Purpose and Structure of the Invention The present invention aims to solve the above-mentioned drawbacks and demands.1 It is an object of the present invention to provide a circuit board that is stable over time and has good workability under the conditions in which it will be used. The purpose is to provide a small motor with Therefore, the small motor of the present invention includes a cylindrical motor case having a motor case on the end face, and a circuit board on which an electric circuit section is placed. It is characterized in that it is formed by printing a circuit pattern on a base material using a conductive paste, curing the circuit pattern, and applying nickel plating to the surface of the circuit pattern.

以下図面を参照しつつ説明する。This will be explained below with reference to the drawings.

(D)発明の実施例 第1図は本発明に用いる回路基板の構成、第2図は本発
明の一実施例を示している。
(D) Embodiment of the Invention FIG. 1 shows the structure of a circuit board used in the invention, and FIG. 2 shows an embodiment of the invention.

図中1は本発明に用いる回路基板、2はモータケース、
3は磁極、4は回転子、5はコミュテータ、6はブラシ
、7は軸受、8はシャフト、9は電気回路部、10は回
路パターン、11はモータ端子、12は軸受孔、13は
金属基材、14はコーチインク層、15は導電性ペース
ト、16はニッケルメッキ層を表している。
In the figure, 1 is a circuit board used in the present invention, 2 is a motor case,
3 is a magnetic pole, 4 is a rotor, 5 is a commutator, 6 is a brush, 7 is a bearing, 8 is a shaft, 9 is an electric circuit part, 10 is a circuit pattern, 11 is a motor terminal, 12 is a bearing hole, 13 is a metal base 14 is a coach ink layer, 15 is a conductive paste, and 16 is a nickel plating layer.

第1図において、(A>は平面図、(B)は断面図、(
C)は部分拡大断面図である。
In Figure 1, (A> is a plan view, (B) is a sectional view, (
C) is a partially enlarged sectional view.

1は本発明に用いる回路基板であって、金属平板から打
ち抜かれた金属基材13の表面に以下に説明する手順に
よって回路パターン】0を作成するようにされる。
1 is a circuit board used in the present invention, in which a circuit pattern 0 is created on the surface of a metal base material 13 punched out from a flat metal plate according to the procedure described below.

回路基板lは、第1図(A)、(B)に示すように、金
属基材13(例えば鉄板)に対してモータ端子11およ
び軸受孔12などが所定の形状に加工成形されており、
当該金属基材13の表面に第1図(C)図示のように粉
末状のエポキシ樹脂またはポリエステル樹脂を粉体静電
塗装などでコーティングし上記樹脂によるコーティング
層14を形成する。勿論、予めコーティングされた回路
基板1を購入して使用してもよい。次に該コーティング
層14の表面を洗浄する。洗浄された回路基板1には、
第1図(A)図示の如き所定の回路パターン10が印刷
される。該回路パターンIOは、第1図(C)図示の如
く構成されている。即ちまずコーティング層14を有す
る回路基板1の表面に導電性ペースト15によって回路
パターンlOをスクリーン印刷する。上記導電性ペース
ト15には、本実施例においては貴金属を使用しない銅
系のペーストを使用している。該導電性ペースト15に
よって回路パターン10がスクリーン印刷された回路基
板1に対して、導電性ペースト】5による回路パターン
10を加熱硬化された後、整面および酸化物の除去が行
われる。そしてさらに導電性ペースト15による回路パ
ターン1oの表面に第1図(C)図示のように二、ケル
メッキ層16を施すとともにハンダレジスト印刷を行う
ようにしている。従って、工程中に無用な金属層を除去
するためのエソチング工程を要しないこと、電気部品の
ハンダ付けが容易に行えること、金属基材13に対する
導電層即ち回路パターン】0の密着性が良好であること
、耐熱性(200℃1時間加熱しても劣化しない)が良
好であること、絶縁破壊電圧(500V/ms)が高い
こと、さらに絶縁層即ち樹脂によるコーティング層にお
けるピンホールおよびボイド(空隙)が発生しないこと
などの利点を有している。
As shown in FIGS. 1A and 1B, the circuit board l has a motor terminal 11, a bearing hole 12, etc. formed into a predetermined shape on a metal base material 13 (for example, a steel plate).
As shown in FIG. 1C, the surface of the metal base material 13 is coated with powdered epoxy resin or polyester resin by powder electrostatic coating or the like to form a coating layer 14 of the resin. Of course, a pre-coated circuit board 1 may be purchased and used. Next, the surface of the coating layer 14 is cleaned. The cleaned circuit board 1 has
A predetermined circuit pattern 10 as shown in FIG. 1(A) is printed. The circuit pattern IO is constructed as shown in FIG. 1(C). That is, first, a circuit pattern IO is screen printed using conductive paste 15 on the surface of circuit board 1 having coating layer 14 . In this embodiment, the conductive paste 15 is a copper-based paste that does not use noble metals. After the circuit pattern 10 made of the conductive paste 5 is cured by heating on the circuit board 1 on which the circuit pattern 10 is screen-printed using the conductive paste 15, surface preparation and removal of oxides are performed. Furthermore, as shown in FIG. 1(C), a second Kel plating layer 16 is applied to the surface of the circuit pattern 1o made of the conductive paste 15, and a solder resist is printed. Therefore, there is no need for an ethoching process to remove unnecessary metal layers during the process, it is easy to solder electrical parts, and the adhesion of the conductive layer, that is, the circuit pattern 0, to the metal base material 13 is good. heat resistance (no deterioration even after heating at 200°C for 1 hour); high dielectric breakdown voltage (500 V/ms); ) has the advantage of not occurring.

第2図は本発明の一実施例を示している。1は上記回路
基板であり、該回路基板1とモータケース2とによって
モータを覆うようにして小型モータを形成している。該
小型モータは回転子4とコミュテータ5とをシャフト8
に固着し、このシャフト8の一端を上記モータケース2
のもつ軸受7に他の一端を上記回路基板1のもつ軸受7
にょって支持されている。そしてモータケース2の内周
には磁極3がもうけられており、上記回転子4にはコミ
ュテータ5を経て電流が供給され、回転子4が回転する
。第1図をもって説明した回路基板1は該小型モータの
電気回路部9を構成するためのもので例えば電子ガバナ
制御用のトランジスタ、抵抗などの電気回路部品が半田
付けなどにより固定される。
FIG. 2 shows an embodiment of the invention. 1 is the circuit board mentioned above, and the circuit board 1 and motor case 2 cover the motor to form a small motor. The small motor has a rotor 4 and a commutator 5 connected to a shaft 8.
and attach one end of this shaft 8 to the motor case 2.
The other end of the bearing 7 is connected to the bearing 7 of the circuit board 1.
It is supported by Nyo. Magnetic poles 3 are provided on the inner periphery of the motor case 2, and current is supplied to the rotor 4 via a commutator 5, causing the rotor 4 to rotate. The circuit board 1 described with reference to FIG. 1 is for configuring the electric circuit section 9 of the small motor, and electric circuit components such as a transistor for controlling an electronic governor and a resistor are fixed by soldering or the like.

(E)発明の詳細 な説明した如く、本発明によれば、従来の小型モータに
用いられていた回路基板に比較して耐熱性、電気的絶縁
性および機械的強度などが優れているので更に高密度な
実装が可能となり、小型化した小型モータを提供するこ
とができる。
(E) As described in detail, the present invention has superior heat resistance, electrical insulation, and mechanical strength compared to circuit boards used in conventional small motors. High-density packaging becomes possible, and a smaller motor can be provided.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明に用いる回路基板の構成、第2図は本発
明の一実施例を示している。 図中1は本発明に用いる回路基板、2はモータケース、
3は磁極、4は回転子、5はコミュテータ、6はブラン
、7は軸受、8はシャフト、9は電気回路部、10は回
路パターン、11はモータ端子、12は軸受孔、13は
金ffJ材、14はコーティング層、15は導電性ペー
スト、16は二・7ケルメツキ層を表している。 特許出願人 マブナモーター株式会社
FIG. 1 shows the structure of a circuit board used in the present invention, and FIG. 2 shows an embodiment of the present invention. In the figure, 1 is a circuit board used in the present invention, 2 is a motor case,
3 is a magnetic pole, 4 is a rotor, 5 is a commutator, 6 is a blank, 7 is a bearing, 8 is a shaft, 9 is an electric circuit part, 10 is a circuit pattern, 11 is a motor terminal, 12 is a bearing hole, 13 is gold ffJ 14 is a coating layer, 15 is a conductive paste, and 16 is a 2.7 Kelmets layer. Patent applicant Mabuna Motor Co., Ltd.

Claims (1)

【特許請求の範囲】[Claims] モータ軸受部を端面に有する円筒状のモータケースをそ
なえ、電気回路部を載置する回路基板をそなえた小型モ
ータにおいて、上記回路基板を樹脂コーティング層を有
する金属基材に導電性ペーストを用いて回路パターンを
印刷すると共に該回路パターンを硬化してその表面にニ
ッケルメッキを施すごとによって形成したことを特徴と
する小型モータ
In a small motor equipped with a cylindrical motor case having a motor bearing part on the end face and a circuit board on which an electric circuit part is mounted, the circuit board is placed on a metal base material having a resin coating layer using a conductive paste. A small motor characterized in that it is formed by printing a circuit pattern, curing the circuit pattern, and applying nickel plating to its surface.
JP9730184A 1984-05-15 1984-05-15 Small-sized motor Pending JPS60241762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9730184A JPS60241762A (en) 1984-05-15 1984-05-15 Small-sized motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9730184A JPS60241762A (en) 1984-05-15 1984-05-15 Small-sized motor

Publications (1)

Publication Number Publication Date
JPS60241762A true JPS60241762A (en) 1985-11-30

Family

ID=14188663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9730184A Pending JPS60241762A (en) 1984-05-15 1984-05-15 Small-sized motor

Country Status (1)

Country Link
JP (1) JPS60241762A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04172952A (en) * 1990-11-02 1992-06-19 Mitsubishi Electric Corp Motor
FR2763760A1 (en) * 1997-05-21 1998-11-27 Valeo Systemes Dessuyage Thick film resistance speed command for car electric motors

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543636A (en) * 1978-09-22 1980-03-27 Hitachi Ltd Digital device
JPS5857262B2 (en) * 1980-11-26 1983-12-19 株式会社クボタ Spheroidal graphite cast iron centrifugal casting casting

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543636A (en) * 1978-09-22 1980-03-27 Hitachi Ltd Digital device
JPS5857262B2 (en) * 1980-11-26 1983-12-19 株式会社クボタ Spheroidal graphite cast iron centrifugal casting casting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04172952A (en) * 1990-11-02 1992-06-19 Mitsubishi Electric Corp Motor
FR2763760A1 (en) * 1997-05-21 1998-11-27 Valeo Systemes Dessuyage Thick film resistance speed command for car electric motors

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