JP3516823B2 - Electronic control unit for air conditioner - Google Patents

Electronic control unit for air conditioner

Info

Publication number
JP3516823B2
JP3516823B2 JP00717597A JP717597A JP3516823B2 JP 3516823 B2 JP3516823 B2 JP 3516823B2 JP 00717597 A JP00717597 A JP 00717597A JP 717597 A JP717597 A JP 717597A JP 3516823 B2 JP3516823 B2 JP 3516823B2
Authority
JP
Japan
Prior art keywords
wiring board
air conditioner
electronic control
molded wiring
molded
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 - Fee Related
Application number
JP00717597A
Other languages
Japanese (ja)
Other versions
JPH10205860A (en
Inventor
悟 久高
敬人 上島
友之 中田
孝浩 福西
真由美 荒川
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial 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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP00717597A priority Critical patent/JP3516823B2/en
Publication of JPH10205860A publication Critical patent/JPH10205860A/en
Application granted granted Critical
Publication of JP3516823B2 publication Critical patent/JP3516823B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】この発明は、空気調和機の電
子制御装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic control device for an air conditioner.

【0002】[0002]

【従来の技術】一般に、空気調和機室内機のように設置
上、横縦幅長等に制約がある場合は、その制約長範囲で
適性な冷房および暖房能力を確保するために熱交換器の
横幅をできる限り広くする必要があり、その結果、空気
調和機内部の電装ブロックのスペースを極小にするため
の策が不可欠となる。一方では、空気調和機の構造面で
の制約から電装ブロックが複数のプリント基板からなる
ケースが多く、その場合、各プリント基板間のリード線
接続が必要となる。さらに、空気調和機の電装ブロック
に用いられる電装部品は、プリント基板上へ実装できな
い電装部品が存在し、その間のリード線接続が不可欠で
あった。
2. Description of the Related Art In general, when there are restrictions on horizontal and vertical widths due to installation, such as an air conditioner indoor unit, in order to ensure proper cooling and heating capacity within the restricted length range, a heat exchanger It is necessary to make the width as wide as possible, and as a result, measures to minimize the space of the electrical block inside the air conditioner are essential. On the other hand, in many cases, the electrical component block is composed of a plurality of printed circuit boards due to structural restrictions of the air conditioner, and in that case, lead wire connection between the printed circuit boards is required. Further, there are electrical components that cannot be mounted on a printed circuit board, and there are electrical components used for the electrical component block of the air conditioner, and lead wire connection between them is essential.

【0003】従来の技術においては、部品を実装したプ
リント基板およびプリント基板上に実装できない電装部
品をリード線を含めて極力ブロック化して収納できるよ
うにした箱形状の電源板により電装ブロックをコンパク
トに仕上げていた。図13は、従来例における電子制御
装置の空気調和機への組み込み状態の斜視図を示す。図
13に示すように、送風機用モータ1(以下、モータ)
が空気調和機室内機の外郭である室内機台枠2(以下、
台枠)の内部において、台枠2の下方背面部にモータ固
定具3を用いてねじなどで固定され、モータ1およびモ
ータ固定具3の部分をまたぐように室内機前方側より電
源板4を空気調和機に装着していた。電源板4内には、
実装プリント基板5がより作業しやすいように室内機前
方側により挿入され、内外接続端子台6および電源スイ
ッチ7のように空気調和機への給電用電装部品は、その
目的のため部品構造面からと空気調和機設置および使用
上からプリント基板5上に実装できないため、電源板4
内の手前や下方などプリント基板5から離れた位置に配
設していた。実装プリント基板5間および内外接続端子
台6、電源スイッチ7間とは、リード線接続される。
[0003] In the prior art, the electrical equipment block is made compact by a box-shaped power supply plate that allows the printed circuit board on which the component is mounted and the electrical component that cannot be mounted on the printed circuit board, including lead wires, to be stored as a block as much as possible. It was finished. FIG. 13 is a perspective view showing a state in which the electronic control device in the conventional example is incorporated in an air conditioner. As shown in FIG. 13, a blower motor 1 (hereinafter referred to as a motor)
Is an indoor unit underframe 2 (hereinafter,
The inside of the underframe) is fixed to the lower rear surface of the underframe 2 with a screw or the like using the motor fixing tool 3, and the power supply plate 4 is attached from the front side of the indoor unit so as to straddle the portions of the motor 1 and the motor fixing tool 3. It was attached to the air conditioner. In the power board 4,
The mounted printed circuit board 5 is inserted on the front side of the indoor unit so that it is easier to work, and the electrical components for power supply to the air conditioner, such as the internal / external connection terminal block 6 and the power switch 7, are designed from the structural viewpoint of the component. Since it cannot be mounted on the printed circuit board 5 due to installation and use of the air conditioner, the power board 4
It is arranged at a position distant from the printed circuit board 5, such as in front of or inside. Lead wires are connected between the mounted printed circuit boards 5 and between the internal / external connection terminal block 6 and the power switch 7.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、上記従
来の構成では、実装プリント基板5間およびプリント基
板5上に実装できない電装部品(以下、非実装部品)間
のリード線による接続箇所が多くなり、作業上手間がか
かっていた。加えて、リード線による輻射ノイズによる
空気調和機内部の電装部品への影響を避けるため、リー
ド線引き回しへの配慮が必要であり、同時に、実装部品
の中でもノイズフィルタ、トランス、リレーなど空気調
和機以外の電気製品にノイズ輻射による影響与えうる電
装部品のシールド、さらにはリレーのようにON/OF
F時の音を発する電装部品機械音の防音も必要であっ
た。また、空気調和機設置後の電子制御装置部の保守、
メンテナンス時の作業性向上も要求されていた。また、
実装プリント基板上へのほこり等の異物侵入による電子
制御装置の誤動作対策も必要であった。
However, in the above-mentioned conventional structure, the number of connection points by the lead wires between the mounted printed circuit boards 5 and between the electronic components which cannot be mounted on the printed circuit board 5 (hereinafter, non-mounted components) increases. It took a lot of work. In addition, in order to avoid the influence of the radiation noise from the lead wires on the electrical components inside the air conditioner, it is necessary to consider the lead wire layout.At the same time, among the mounted components, the air conditioner such as noise filter, transformer, relay, etc. ON / OF like the relay of the electric component which may affect the electric products other than
It was also necessary to prevent the mechanical noise of electrical components that emit the sound at F. In addition, maintenance of the electronic control unit after installing the air conditioner,
It was also required to improve workability during maintenance. Also,
It was also necessary to take measures against malfunction of the electronic control unit due to foreign matter such as dust entering the mounting printed circuit board.

【0005】したがって、この発明の目的は、このよう
な従来の課題を解決するものであり、リード線レスによ
る組立作業性の向上およびノイズ影響の抑制、異物侵入
防止を図ることができる空気調和機の電子制御装置を提
供することである。
Therefore, an object of the present invention is to solve such a conventional problem, and to improve the assembling workability without lead wires, suppress the influence of noise, and prevent foreign matter from entering. It is to provide an electronic control device of.

【0006】[0006]

【課題を解決するための手段】請求項1記載の空気調和
機の電子制御装置は、送風機用モータが、空気調和機室
内機の外郭である室内機台枠の内部の下方背面部に送風
機用モータ固定具を用いて固定され、モータおよびモー
タ固定具の上方から室内機前方側にかけた収納空間に、
モータおよびモータ固定具を包囲するように配設された
空気調和機の電子制御装置であって、部品実装したプリ
ント基板と、電流を流すための導体を両面から樹脂でモ
ールド成形したモールド配線板とを収納空間に配置し、
プリント基板の周囲を箱形状の金属箱で囲み、空気調和
機が運転可能となるようにプリント基板とモールド配線
板が機構的、電気的に接続しうるコネクタ部を設け、か
つ、プリント基板上の部品と空気調和機内の送風機およ
びセンサ等とのリード線接続に利用される金属箱の引出
し口を、モールド配線板を折曲げてカバーしたことを特
徴とする。
According to a first aspect of the present invention, there is provided an electronic control device for an air conditioner, wherein a blower motor is provided for a blower at a lower rear portion inside an indoor unit underframe which is an outer shell of the air conditioner indoor unit. It is fixed using a motor fixing tool, and is stored in the storage space that extends from above the motor and the motor fixing tool to the front side of the indoor unit.
An electronic control unit for an air conditioner, which is arranged so as to surround a motor and a motor fixture, including a printed circuit board on which components are mounted, and a molded wiring board in which a conductor for passing a current is molded from both sides with resin. Is placed in the storage space,
Surround the printed circuit board with a box-shaped metal box, and provide a connector that allows the printed circuit board and the molded wiring board to be mechanically and electrically connected so that the air conditioner can operate .
The parts on the printed circuit board and the blower and
A metal box used for connecting lead wires to sensors and sensors
The opening is characterized by being covered by bending a molded wiring board .

【0007】内外接続端子台および電源スイッチのよう
に空気調和機への給電用電装部品は、その目的のため部
品構造面からと空気調和機設置および使用上からプリン
ト基板上に実装できないが、このようなプリント基板上
に実装できない非実装部品をモールド配線板上に内部の
導体に接するように配設し、実装プリント基板間とはコ
ネクタ部で機構的、電気的に接続することにより、リー
ド線レス状態でも空気調和機を運転することができる。
また、このようにリード線レスを図るため、組立作業性
が向上する。また、金属箱の引出し口をモールド配線板
を折曲げてカバーしたので、モールド配線板と金属箱に
より、実装プリント基板を囲み込みほこり等の異物侵入
防止ができ、一方、モールド配線板の樹脂および導体に
よる熱伝導により放熱効果も期待できる。
Electrical components for power supply to the air conditioner, such as the internal / external connection terminal block and the power switch, cannot be mounted on the printed circuit board from the structural viewpoint of the component and the installation and use of the air conditioner for that purpose. Such non-mountable components that cannot be mounted on the printed circuit board are placed on the molded wiring board so as to contact the internal conductors, and the mounted printed circuit boards are mechanically and electrically connected at the connector part to form lead wires. The air conditioner can be operated even in the absence state.
Further, since the lead wire is eliminated in this way, the workability of assembly is improved. Also, make sure that the metal box outlet is a molded wiring board.
Since it was folded and covered, it can be used on molded wiring boards and metal boxes.
This allows the mounted printed circuit board to be enclosed and foreign matter such as dust can enter.
Can be prevented, while the resin and conductor of the molded wiring board
A heat dissipation effect can be expected due to the heat conduction.

【0008】[0008]

【0009】請求項記載の空気調和機の電子制御装置
は、請求項において、金属箱の周縁部を延長してモー
ルド配線板に沿って折曲げモールド配線板に固定した。
このように、金属箱の周縁部を延長してモールド配線板
に沿って折曲げモールド配線板に固定したので、コネク
タ部以外に接続部を有することで、モールド配線板の自
重によるコネクタ部への応力による機械的、電気的接続
不良をなくすことができ、確実なモールド配線板の固定
を実現できる。
According to a second aspect of the present invention, in the electronic control unit for an air conditioner according to the first aspect , the peripheral portion of the metal box is extended and fixed to the bent mold wiring board along the mold wiring board.
In this way, since the peripheral portion of the metal box was extended and fixed to the molded wiring board by bending along the molded wiring board, by having a connection portion other than the connector portion, it is possible to connect to the connector portion by the weight of the molded wiring board. Mechanical and electrical connection failure due to stress can be eliminated, and reliable fixation of the molded wiring board can be realized.

【0010】請求項記載の空気調和機の電子制御装置
は、請求項において、空気調和機以外の電気製品にノ
イズの影響を与えうる電装部品およびON/OFF時の
音を発する電装部品をモールド配線板の背面、かつ金属
箱内に配設した。このように、内部に導体を挟み込んで
いるモールド配線板の構造部品としての利用やシールド
性およびプリント基板上の実装部品からのノイズ輻射を
シールドする金属箱を組み合わせて、実装プリント基板
回りを箱形状に仕上げたため、ノイズフィルタ、トラン
ス、リレーなど空気調和機以外の電気製品にノイズ輻射
による影響を与えうる電装部品のシールドおよびリレー
のようにON/OFF時の音を発する電装部品機械音の
防音を実現できる。
An electronic control unit for an air conditioner according to a third aspect of the present invention is the electronic control device according to the first aspect , which includes an electrical component that can affect electrical products other than the air conditioner, and an electrical component that emits a sound when turned on and off. It was arranged on the back surface of the molded wiring board and in the metal box. In this way, by using the molded wiring board with the conductors sandwiched inside as a structural component, and combining it with a metal box that shields noise radiation from the mounted components on the printed circuit board and box shape around the mounted printed circuit board. Since it has been finished as a noise filter, transformer, relay, etc., it shields electrical components that can affect electrical products other than air conditioners by noise radiation, and electrical components that emit ON / OFF sound such as relays. realizable.

【0011】請求項記載の空気調和機の電子制御装置
は、請求項において、金属箱を囲むように上下左右の
4片からなる枠体を収納空間の室内機台枠内面に設け、
金属箱の背面部とこれに相対する枠体の部位に係脱自在
に係合する係合部および被係合部を設けた。このように
構成したので、電子制御装置組込み時は、金属箱背面部
を台枠背面部内面の上下左右4枚の枠体に納まるように
手前より挿入し、金属箱の背面部とこれに相対する枠体
の部位に設けた係合部および被係合部が係合することに
より、電子制御装置の空気調和機室内機への組込み時の
位置決めおよび固定が可能となる。
According to a fourth aspect of the present invention, there is provided an electronic control device for an air conditioner according to the first aspect, wherein a frame body composed of four pieces, that is, upper, lower, left and right, is provided on the inner surface of the indoor unit underframe of the storage space so as to surround the metal box.
An engaging portion and an engaged portion that are detachably engaged with each other are provided on the back surface portion of the metal box and the portion of the frame body facing the back surface portion. With this configuration, when mounting the electronic control unit, insert the back of the metal box from the front so that it fits into the four upper, lower, left, and right frames of the inner surface of the underside of the underframe, and place it behind the metal box. By engaging the engaging portion and the engaged portion provided in the portion of the frame body, the positioning and fixing can be performed when the electronic control device is incorporated into the air conditioner indoor unit.

【0012】請求項記載の空気調和機の電子制御装置
は、請求項において、既存のモータ固定具のねじ挿入
穴と相対するモールド配線板上にねじ挿入穴を設けた。
このように構成したので、台枠にモータ固定具を固定す
るねじを兼ねたねじにより、モールド配線板をねじ止め
することで、モータ固定具を介して、モールド配線板の
台枠への直接固定が実現し、輸送時などの振動によるト
ラブルを防止できる。
According to a fifth aspect of the present invention, in the electronic control unit for an air conditioner according to the fourth aspect , the screw insertion hole is provided on the molded wiring board facing the screw insertion hole of the existing motor fixture.
With this configuration, the molded wiring board can be fixed directly to the underframe via the motor fixing tool by screwing the molded wiring board with the screw that also serves as a screw for fixing the motor fixing tool to the underframe. It is possible to prevent troubles due to vibration during transportation.

【0013】請求項記載の空気調和機の電子制御装置
は、請求項において、先端が分割した突状部を有する
突起と、この突起とは反対方向でモータ固定具の両側縁
部に係合したガイドとからなる樹脂成形品を備え、突起
と相対するモールド配線板上に、突起先端間が加圧によ
る密着時の突状部の最大径と突起先端を加圧しない時の
突状部の最大径の中間程度のサイズの穴を設けた。
According to a sixth aspect of the present invention, there is provided an electronic control device for an air conditioner according to the fourth aspect, wherein a projection having a projecting portion whose tip is divided and a side edge portion of the motor fixing member in a direction opposite to the projection. It has a resin molded product consisting of a combined guide, and on the molded wiring board facing the protrusion, the maximum diameter of the protrusion when the protrusion tips are in close contact by pressure and the protrusion when the protrusion tip is not pressed. A hole with a size of about the middle of the maximum diameter was prepared.

【0014】このように構成したので、モータ固定具に
装着した樹脂成形品の突起先端の突状部にモールド配線
板の穴をあてがい、押しつけ、突状部がモールド配線板
の穴の手前に出た状態することで、モータ固定具を介し
てモールド配線板の台枠への固定が実現し、輸送時など
の振動によるトラブルを防止できる。また、万が一モー
ルド配線板の穴周辺に応力が加わっても、突起の樹脂の
弾性により、割れなどの発生を抑えることができる。さ
らに、モールド配線板を固定する際の作業性が向上す
る。
With this configuration, the hole of the molded wiring board is placed on and pressed against the protrusion of the protrusion of the resin molded product mounted on the motor fixing tool, and the protrusion is exposed in front of the hole of the molded wiring board. In this state, the molded wiring board can be fixed to the underframe via the motor fixing tool, and troubles due to vibration during transportation can be prevented. Further, even if stress is applied to the periphery of the hole of the molded wiring board, the elasticity of the resin of the protrusions can prevent the occurrence of cracks and the like. Furthermore, workability in fixing the molded wiring board is improved.

【0015】請求項記載の空気調和機の電子制御装置
は、請求項において、下左右3片からなる枠体を収納
空間の室内機台枠内面に設け、その枠体の左右片の上部
に断面略S字状の折り返し部を形成し、モールド配線板
下部が相対する室内機台枠内面に、組み込み時のモール
ド配線板下部先端の上方向からの軌跡上に板状突起を設
けるとともに、モールド配線板下部に板状突起に係合す
るL形係合部を設け、金属箱の背面部下部を斜めにカッ
トした。
According to a seventh aspect of the present invention, there is provided an electronic control device for an air conditioner according to the first aspect , in which a frame body composed of three pieces of lower left and right pieces is provided on an inner surface of an indoor unit underframe of a storage space, and upper portions of the left and right pieces of the frame piece. A folded portion having a substantially S-shaped cross section is formed on the inner surface of the indoor unit underframe facing the lower part of the molded wiring board, and a plate-shaped projection is provided on the locus from the upper direction of the lower end of the molded wiring board at the time of assembly. An L-shaped engaging portion that engages with the plate-shaped projection was provided on the lower portion of the molded wiring board, and the lower portion of the back surface portion of the metal box was cut diagonally.

【0016】電子制御装置組込み時は、金属箱背面部下
部の斜めにカットした斜めカット部を台枠背面部内面の
下左右3枚の枠体の下板に当てがいながら、モールド配
線板を回動させ、金属箱の背面部側と相対する台枠内面
に設けた枠体の左右片の上部の断面略S字状の折り返し
部の弾性を利用し、わずかに持ち上げながら、モールド
配線板下部のL形係合部を台枠下部の板状突起に引っか
けることにより組み込むことができる。一方、電子制御
装置を外す場合や、モールド配線板の背面を確認する作
業の場合は、組み込み時とは逆の手法で行えばよい。結
果、モールド配線板を固定する際の作業性と、空気調和
機設置後の電子制御装置の保守、メンテナンス時の作業
性が向上する。
When the electronic control unit is assembled, the mold wiring board is rotated while the diagonally cut portions at the lower part of the back surface of the metal box are applied to the lower plates of the lower left and right three frame bodies on the inner surface of the back surface of the underframe. By using the elasticity of the folded portions with a substantially S-shaped cross section at the top of the left and right pieces of the frame provided on the inner surface of the underframe facing the back side of the metal box, while slightly lifting it, It can be incorporated by hooking the L-shaped engaging portion on the plate-like projection on the lower portion of the underframe. On the other hand, when removing the electronic control device or when confirming the back surface of the molded wiring board, the reverse method to the assembling may be performed. As a result, the workability in fixing the molded wiring board and the workability in maintenance and maintenance of the electronic control unit after installation of the air conditioner are improved.

【0017】[0017]

【発明の実施の形態】この発明の第1の実施の形態を図
1〜図3に基づいて説明する。図1はこの発明の第1の
実施の形態の空気調和機の電子制御装置の概要の斜視
図、図2はモールド配線板の断面図を示す。なお、従来
例と同一内容については同一符号を付す。
DETAILED DESCRIPTION OF THE INVENTION A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a schematic perspective view of an electronic control device for an air conditioner according to a first embodiment of the present invention, and FIG. 2 is a sectional view of a molded wiring board. The same contents as those of the conventional example are designated by the same reference numerals.

【0018】送風機用モータ1は、従来と同様に空気調
和機室内機の外郭である室内機台枠2の内部の下方背面
部に送風機用モータ固定具3を用いてねじなどで固定さ
れている。モータ1およびモータ固定具3の上方から室
内機前方側にかけた略L形の収納空間Sに、モータ1お
よびモータ固定具3を包囲するように空気調和機の電子
制御装置が配設されている。
The blower motor 1 is fixed to the lower rear portion inside the indoor unit underframe 2, which is the outer shell of the air conditioner indoor unit, with screws or the like using a blower motor fixing tool 3 as in the conventional case. . An electronic control unit of the air conditioner is arranged so as to surround the motor 1 and the motor fixing tool 3 in a substantially L-shaped storage space S extending from above the motor 1 and the motor fixing tool 3 to the front side of the indoor unit. .

【0019】具体的には、部品実装したプリント基板1
1と、電流を流すための導体としての銅板8を両面から
樹脂9でモールド成形したモールド配線板10とを上記
収納空間Sに配置している。また、プリント基板11の
周囲を箱形状の金属箱15で囲んでいる。金属箱15
は、プリント基板11の一側縁部に配置される金属板1
3と、この金属板13とプリント基板11を挟み込む2
つの金属蓋14とからなる。また、空気調和機が運転可
能となるようにプリント基板11とモールド配線板10
が機構的、電気的に接続しうる凹凸部を有するコネクタ
部12を設けている。
Specifically, the printed circuit board 1 on which components are mounted
1 and a molded wiring board 10 obtained by molding a copper plate 8 as a conductor for passing a current with resin 9 from both sides are arranged in the storage space S. The printed circuit board 11 is surrounded by a box-shaped metal box 15. Metal box 15
Is a metal plate 1 arranged on one side edge of the printed circuit board 11.
3 and 2 sandwiching the metal plate 13 and the printed circuit board 11
It consists of one metal lid 14. Further, the printed circuit board 11 and the molded wiring board 10 are arranged so that the air conditioner can be operated.
Is provided with a connector portion 12 having an uneven portion that can be mechanically and electrically connected.

【0020】モールド配線板10およびプリント基板1
1上には、ノイズフィルタ、トランス、リレー内外接続
線接続用端子台6、電源スイッチ7などを含む電装部品
を実装している。この場合、端子台6および電源スイッ
チ7のように空気調和機への給電用電装部品は、その目
的のため部品構造面からと空気調和機および使用上から
プリント基板11に実装できない非実装部品をモールド
配線板10上に銅板8に接するように配設し、プリント
基板11間とはコネクタ部12で機構的、電気的接続を
実現させている。
Molded wiring board 10 and printed circuit board 1
Electrical components including a noise filter, a transformer, a relay internal / external connection line connection terminal block 6, a power switch 7, and the like are mounted on the unit 1. In this case, the electrical components for power supply to the air conditioner, such as the terminal block 6 and the power switch 7, may include non-mounted components that cannot be mounted on the printed circuit board 11 from the structural viewpoint of the component, the air conditioner, and the use for that purpose. It is arranged on the molded wiring board 10 so as to be in contact with the copper plate 8, and the connector portion 12 realizes mechanical and electrical connection with the printed circuit board 11.

【0021】また、モールド配線板10およびプリント
基板11上の部品とモータ1および圧縮機、センサ等と
のリード線接続に利用される金属箱15のリード線引き
出し口16を、モールド配線板10を構造部品、絶縁部
品として扱える利点を活用して折曲げ部17を設けて覆
う形態を成す。図3は電装部品実装概要の斜視図を示
す。プリント基板11上のノイズフィルタ、トランス、
リレー22など空気調和機以外の電気製品にノイズの影
響を与えうる電装部品およびリレー22のようにON/
OFF時の音を発する電装部品をモールド配線板10の
折曲げ部17と金属板13および2つの金属蓋14から
なる金属箱15とで囲むように配設している。
Further, the lead wire outlet 16 of the metal box 15 used for connecting the lead wires between the molded wiring board 10 and the components on the printed circuit board 11 and the motor 1, the compressor, the sensor, etc. is connected to the molded wiring board 10. The bent portion 17 is provided and covered by taking advantage of the fact that it can be handled as a structural component or an insulating component. FIG. 3 is a perspective view showing the outline of mounting of electric components. Noise filter, transformer,
ON / OFF like the relay 22 and electrical components that may affect noise to electric products other than the air conditioner such as the relay 22.
An electrical component that emits a sound when turned off is arranged so as to be surrounded by the bent portion 17 of the molded wiring board 10, the metal plate 13, and the metal box 15 including the two metal lids 14.

【0022】以上のようにこの実施の形態によれば、内
外接続端子台6および電源スイッチ7のようにプリント
基板11上に実装できない非実装部品をモールド配線板
10上に銅板8に接するように配設し、実装プリント基
板11間とはコネクタ部12で機構的、電気的に接続す
ることにより、リード線レス状態でも空気調和機を運転
することができる。また、このようにリード線レスを図
るため、組立作業性が向上する。
As described above, according to this embodiment, non-mounted components such as the internal / external connection terminal block 6 and the power switch 7 that cannot be mounted on the printed circuit board 11 are brought into contact with the copper plate 8 on the molded wiring board 10. By arranging and mechanically and electrically connecting the mounted printed circuit boards 11 with the connector portion 12, the air conditioner can be operated even without a lead wire. Further, since the lead wire is eliminated in this way, the workability of assembly is improved.

【0023】また、金属箱の引出し口をモールド配線板
を折曲げてカバーしたので、モールド配線板と金属箱に
より、実装プリント基板を囲み込みほこりや虫等の異物
侵入防止ができ、一方、モールド配線板10の樹脂9お
よび銅板8による熱伝導により金属箱15内の放熱効果
も期待できる。また、樹脂9内部に銅板8を挟み込んで
いるモールド配線板10はその構造上、構造部品、絶縁
物としても扱え、同時に、シールド性能があり、プリン
ト基板11上の実装部品からのノイズ輻射をシールドす
る金属箱15と組み合わせて、プリント基板11回りを
箱形状に仕上げたため、ノイズフィルタ、トランス、リ
レー22など空気調和機以外の電気製品にノイズ輻射に
よる影響を与えうる電装部品のシールドおよびリレー2
2のようにON/OFF時の音を発する電装部品の機械
音の防音を実現できる。
Further, since the outlet of the metal box is covered by bending the molded wiring board, the molded wiring board and the metal box can surround the mounted printed circuit board and prevent foreign substances such as dust and insects from entering. Due to the heat conduction by the resin 9 and the copper plate 8 of the wiring board 10, a heat dissipation effect in the metal box 15 can be expected. Further, the molded wiring board 10 in which the copper plate 8 is sandwiched inside the resin 9 can be handled as a structural component and an insulator because of its structure, and at the same time, has shielding performance and shields noise radiation from mounted components on the printed circuit board 11. Since the printed board 11 and its surroundings are finished in a box shape in combination with the metal box 15 for electric components, shields and relays for electrical components such as noise filters, transformers, relays 22 that may affect electrical products other than air conditioners due to noise radiation 2
As in 2, it is possible to realize the soundproofing of the mechanical sound of the electrical component that emits the sound at the time of ON / OFF.

【0024】この発明の第2の実施の形態を図4および
図5に基づいて説明する。図4は第2の実施の形態の延
長部を有する金属蓋の斜視図、図5はその金属蓋のモー
ルド配線板への固定状態の断面図を示す。2つの金属蓋
14の周縁部には側板18が形成され、いずれかの金属
蓋14の側板18をモールド配線板10側に延長してい
る。この延長部はモールド配線板10に沿って折曲げ
て、モールド配線板10に固定してある。この場合、モ
ールド配線板10の穴19と側板18の穴20にねじ2
1で矢印A方向から固定する形態を成すものである。こ
のように、モールド配線板10とプリント基板11との
コネクタ部12以外に接続部を有することで、モールド
配線板10の自重によるコネクタ部12への応力による
機械的、電気的接続不良をなくすことができ、確実なモ
ールド配線板10の固定を実現できる。その他の構成効
果は、第1の実施の形態と同様である。
A second embodiment of the present invention will be described with reference to FIGS. 4 and 5. FIG. 4 is a perspective view of a metal lid having an extension portion according to the second embodiment, and FIG. 5 is a sectional view of the metal lid fixed to a molded wiring board. A side plate 18 is formed on the peripheral edge of the two metal lids 14, and one of the side plates 18 of the metal lids 14 extends to the molded wiring board 10 side. This extension is bent along the molded wiring board 10 and fixed to the molded wiring board 10. In this case, the screw 2 is inserted into the hole 19 of the molded wiring board 10 and the hole 20 of the side plate 18.
In Fig. 1, it is fixed from the direction of arrow A. As described above, by providing a connection portion other than the connector portion 12 between the molded wiring board 10 and the printed circuit board 11, mechanical and electrical connection failure due to stress on the connector portion 12 due to the weight of the molded wiring board 10 is eliminated. As a result, reliable fixing of the molded wiring board 10 can be realized. Other configuration effects are similar to those of the first embodiment.

【0025】この発明の第3の実施の形態を図6に基づ
いて説明する。図6は第3の実施の形態の電子制御装置
固定手法の斜視図を示す。電子制御装置の空気調和機へ
の組込み状態において金属箱15を囲むように上下左右
の4片からなる枠体24を収納空間Sの室内機台枠2内
面に設け、金属箱15の背面部とこれに相対する枠体2
4の部位に係脱自在に係合する係合部および被係合部を
設けている。この場合、金属箱15の背面部側と相対す
る台枠2内面に上下左右4枚の一部に穴(被係合部)2
3を有する枠体24を設け、この枠体24の穴23に相
対する金属箱15の背面部に突起(係合部)25を設け
ている。
A third embodiment of the present invention will be described with reference to FIG. FIG. 6 shows a perspective view of an electronic control unit fixing method according to the third embodiment. When the electronic control unit is installed in the air conditioner, a frame body 24 composed of four pieces of upper, lower, left and right is provided on the inner surface of the indoor unit underframe 2 of the storage space S so as to surround the metal box 15 and Frame 2 facing this
An engaging portion and an engaged portion that are detachably engaged with the portion 4 are provided. In this case, holes (engaged parts) 2 are formed in a part of the upper, lower, left, and right four parts on the inner surface of the underframe 2 facing the back surface side of the metal box 15.
3 is provided with a frame body 24, and a projection (engagement portion) 25 is provided on the back surface of the metal box 15 facing the hole 23 of the frame body 24.

【0026】電子制御装置組み込み時は、金属箱15の
背面部を上下左右4枚の枠体24に収まるように矢印B
方向により挿入し、金属箱15背面部に設けた突起25
が上下左右4枚の枠体24の穴23に嵌め込むことで、
電子制御装置の空気調和機への組み込み時の位置決めお
よび固定が可能となる。その他の構成効果は、第1の実
施の形態と同様である。
When the electronic control unit is incorporated, the arrow B is formed so that the rear surface of the metal box 15 can be accommodated in the four frame bodies 24 vertically and horizontally.
The projection 25 that is inserted according to the direction and is provided on the back surface of the metal box 15.
By fitting in the holes 23 of the four frame bodies 24,
It is possible to position and fix the electronic control unit when it is installed in the air conditioner. Other configuration effects are similar to those of the first embodiment.

【0027】なお、枠体24上の穴23と金属箱15の
突起25は、相対する位置にあれば、他の位置でもよ
い。また、係合部と被係合部を突起25と穴23にした
が、お互い噛み合う形状で金属箱15の脱着が可能であ
ればよい。この発明の第4の実施の形態を図7に基づい
て説明する。図7は第4の実施の形態のモールド配線板
固定手法の斜視図を示す。電子制御装置の空気調和機へ
の組込み状態においてモータ固定具3のねじ挿入穴26
と相対するモールド配線板10上にねじ挿入穴27を設
けている。この場合、モータ固定具3のねじ挿入穴26
は内周に雌ねじを切ったねじ穴であることが望ましい
が、モールド配線板10のねじ挿入穴27はねじ穴でな
くてもよい。
The hole 23 on the frame 24 and the projection 25 of the metal box 15 may be located at other positions as long as they are opposed to each other. Further, although the engaging portion and the engaged portion are the projections 25 and the holes 23, it is sufficient that the metal box 15 can be attached / detached so as to be engaged with each other. A fourth embodiment of the present invention will be described based on FIG. FIG. 7 shows a perspective view of a method of fixing a molded wiring board according to the fourth embodiment. The screw insertion hole 26 of the motor fixture 3 when the electronic control unit is installed in the air conditioner
A screw insertion hole 27 is provided on the molded wiring board 10 opposite to. In this case, the screw insertion hole 26 of the motor fixture 3
Is preferably a screw hole in which an internal thread is cut on the inner circumference, but the screw insertion hole 27 of the molded wiring board 10 may not be a screw hole.

【0028】モールド配線板10の固定時には、台枠2
にモータ固定具3を固定するねじを兼ねたねじ28によ
り、矢印C方向からモールド配線板10をねじ止めする
ことで、モータ固定具3を介して、モールド配線板10
の台枠2への直接固定する。これにより、輸送時などの
振動によるプリント基板11とのコネクタ部12の接触
不良などのトラブルを防止できる。その他の構成効果
は、第3の実施の形態と同様である。
When the molded wiring board 10 is fixed, the underframe 2
The molded wiring board 10 is screwed in the direction of arrow C by a screw 28 that also serves as a screw for fixing the motor fixing tool 3 to the molded wiring board 10 through the motor fixing tool 3.
It is fixed directly to the underframe 2. As a result, troubles such as poor contact between the printed circuit board 11 and the connector portion 12 due to vibration during transportation can be prevented. Other configuration effects are similar to those of the third embodiment.

【0029】この発明の第5の実施の形態を図8〜図1
0に基づいて説明する。図8は第5の実施の形態のモー
ルド配線板固定状態の斜視図、図9は樹脂成形品装着前
の矢印DD′方向の断面図、図10はモールド配線板固
定時の矢印DD′方向の断面図を示す。先端29が分割
した球形状の突状部30を有する突起31と、突起31
とは反対方向にモータ固定具3の幅とほぼ同寸法で相対
する位置に設けた断面略S字状のガイド32とからなる
樹脂成形品33をモータ固定具3に装着している。電子
制御装置の空気調和機への組込み状態において突起31
と相対するモールド配線板10上に、突起先端29の隙
間aが加圧による密着時の先端29の突状部30の最大
径と先端29を加圧しない時の先端29の突状部30の
最大径cの中間程度のサイズbの穴34を設けている。
A fifth embodiment of the present invention will be described with reference to FIGS.
A description will be given based on 0. FIG. 8 is a perspective view of the mold wiring board fixed state of the fifth embodiment, FIG. 9 is a cross-sectional view in the direction of arrow DD ′ before mounting the resin molded product, and FIG. 10 is a view of the direction DD ′ when fixing the molded wiring board. A sectional view is shown. A projection 31 having a spherical projection 30 with a split tip 29;
A resin molded product 33 including a guide 32 having a substantially S-shaped cross section, which is provided in a position facing the width of the motor fixture 3 in a direction opposite to the above, is attached to the motor fixture 3. When the electronic control unit is installed in the air conditioner, the protrusion 31
On the molded wiring board 10 opposite to, the maximum diameter of the projection 30 of the tip 29 when the gap a of the projection tip 29 is closely contacted by the pressure and the projection 30 of the tip 29 when the tip 29 is not pressed. A hole 34 having a size b about the middle of the maximum diameter c is provided.

【0030】モールド配線板10の固定時には、モータ
固定具3の矢印E方向より装着した樹脂成形品33の先
端29にモールド配線板10の穴34をあてがい、押し
つけ、先端29の突状部30の部分がモールド配線板1
0の穴34の手前に出た状態にすることで、結果、モー
タ固定具3を介して、モールド配線板10の台枠2への
固定が実現し、輸送時などの振動によるトラブルを防止
でき、同時に、樹脂の弾性により、万が一モールド配線
板10の固定部35に応力が加わっても、割れなどの発
生を抑えることができる。さらに、モールド配線板10
を固定する際の作業性向上に効果がある。その他の構成
効果は、第3の実施の形態と同様である。
When the molded wiring board 10 is fixed, the hole 34 of the molded wiring board 10 is applied to the tip 29 of the resin molded product 33 mounted in the direction of the arrow E of the motor fixture 3 and pressed, and the protruding portion 30 of the tip 29 is fixed. Molded wiring board 1
As a result, the molded wiring board 10 can be fixed to the underframe 2 via the motor fixing tool 3 by placing it in front of the 0 hole 34, and troubles due to vibration during transportation can be prevented. At the same time, due to the elasticity of the resin, even if stress is applied to the fixing portion 35 of the molded wiring board 10, it is possible to suppress the occurrence of cracks and the like. Furthermore, the molded wiring board 10
It is effective in improving workability when fixing. Other configuration effects are similar to those of the third embodiment.

【0031】この発明の第6の実施の形態を図11およ
び図12に基づいて説明する。図11は第6の実施の形
態の電子制御装置固定状態の斜視図、図12は電子制御
装置固定手法のFF′方向の断面図を示す。電子制御装
置の空気調和機への組込み状態において金属箱15の背
面部側と相対する台枠2背面部内面に下左右3枚の枠体
36を設けている。この枠体36の左右板の上部に断面
略S字状の折り返し部37が形成してある。また、モー
ルド配線板10下部が相対する台枠2下部内面にモール
ド配線板10下部先端の矢印G方向からの軌跡上に板状
突起38を形成するとともに、モールド配線板10下部
に板状突起38に係合するL形係合部40を設けてい
る。また、金属箱15の背面下部に斜めにカットした斜
めカット部39を設けている。
A sixth embodiment of the present invention will be described with reference to FIGS. 11 and 12. FIG. 11 is a perspective view of the electronic control unit fixed state of the sixth embodiment, and FIG. 12 is a sectional view of the electronic control unit fixing method in the FF ′ direction. When the electronic control unit is installed in the air conditioner, the lower left and right three frame bodies 36 are provided on the inner surface of the rear surface of the underframe 2 facing the rear surface side of the metal box 15. Folded portions 37 having a substantially S-shaped cross section are formed on the left and right plates of the frame 36. In addition, a plate-like protrusion 38 is formed on the inner surface of the lower part of the underframe 2 facing the lower part of the molded wiring board 10 on the locus of the tip of the lower part of the mold wiring board 10 in the direction of arrow G, and at the lower part of the molded wiring board 10. Is provided with an L-shaped engaging portion 40. Further, a diagonally cut portion 39 that is diagonally cut is provided on the lower portion of the back surface of the metal box 15.

【0032】電子制御装置組込み時は、金属箱15の斜
めカット部39を下左右3枚の板状突起36の下板41
にあてがいながら、モールド配線板10を上方の矢印G
方向より回転させ、金属箱15をS字状の折り返し部3
7の弾性を利用して、わずかに持ち上げながら、矢印H
の動きの如く、モールド配線板10下部のL形係合部4
0を板状突起38に引っかける。一方、電子制御装置を
外す場合や、モールド配線板10の背面を確認する作業
の場合は、組込み時とは逆の手法で行えばよい。結果、
モールド配線板10を固定する際の作業性向上と空気調
和機設置後の電子制御装置の保守、メンテナンス時の作
業性も向上する。その他の構成効果は、第1の実施の形
態と同様である。
When the electronic control unit is incorporated, the diagonal cut portion 39 of the metal box 15 is attached to the lower plate 41 of the lower left and right three plate-like projections 36.
While pressing the mold wiring board, move the molded wiring board 10 to the upper arrow G
The metal box 15 by rotating it from the direction
Using the elasticity of 7, lift up slightly
, The L-shaped engaging portion 4 under the molded wiring board 10
0 is hooked on the plate-like protrusion 38. On the other hand, when removing the electronic control device or when confirming the back surface of the molded wiring board 10, a method reverse to that at the time of assembling may be performed. result,
The workability when fixing the molded wiring board 10 and the workability during maintenance and maintenance of the electronic control unit after the air conditioner is installed are also improved. Other configuration effects are similar to those of the first embodiment.

【0033】なお、金属箱15の斜めカット部39の形
状は、金属箱15の板状突起38への脱着および固定が
容易かつ確実に実現できる形状であればよい。
The shape of the slanting cut portion 39 of the metal box 15 may be any shape that can easily and surely realize the attachment and detachment and the fixing to the plate-like projection 38 of the metal box 15.

【0034】[0034]

【発明の効果】この発明の請求項1記載の空気調和機の
電子制御装置によれば、電流を流すための導体としての
銅板を両面から樹脂でモールド成形した構造部品として
も配設しうるモールド配線板とプリント基板とをコネク
タにより機構的、電気的に接続一体形成したので、内外
接続端子台および電源スイッチのようなプリント基板上
に実装できない非実装部品をモールド配線板上に内部の
導体に接するように配設することにより、リード線を用
いずに空気調和機を運転することができる。したがっ
て、プリント基板上に実装できない非実装部品と実装プ
リント基板間のリード線レスが図られ、組立作業時の手
間が軽減できる。また、実装プリント基板を金属箱で囲
み、プリント基板上の実装部品と空気調和機内の送風機
およびセンサ等とのリード線接続に利用される金属箱の
引き出し口をもモールド配線板を構造部品、絶縁部品と
して扱える利点を活用して折曲げて覆う形態を成すこと
で、モールド配線板と金属箱により、実装プリント基板
を囲むことができる。したがって、実装プリント基板へ
のほこり、虫等の異物侵入を抑制し、一方、モールド配
線板の樹脂および導体による熱伝導により放熱も可能な
ため、電子制御装置の異物や熱に対する信頼性向上につ
ながる。
According to the electronic control unit for an air conditioner according to claim 1 of the present invention, a mold which can be arranged as a structural part in which a copper plate as a conductor for passing an electric current is molded from both sides with resin. Since the wiring board and the printed circuit board are mechanically and electrically connected and integrated by the connector, non-mounted components such as the internal / external connection terminal block and the power switch that cannot be mounted on the printed circuit board are used as internal conductors on the molded wiring board. By disposing the air conditioners so as to be in contact with each other, the air conditioner can be operated without using the lead wires. Therefore, the lead wire between the non-mounted component that cannot be mounted on the printed circuit board and the mounted printed circuit board is eliminated, and the labor during the assembly work can be reduced. Also, enclose the mounting printed circuit board in a metal box.
Only the components mounted on the printed circuit board and the blower in the air conditioner
And a metal box used for connecting lead wires to sensors, etc.
Use the molded wiring board as a structural component and an insulating component even for the outlet.
Form a shape that can be folded and covered by utilizing the advantage that it can be handled
Then, by using the molded wiring board and metal box,
Can be enclosed. Therefore, to the mounting printed circuit board
Suppresses the entry of foreign matter such as dust and insects, while
Heat can also be dissipated by heat conduction by the resin and conductor of the wire plate
Therefore, it is necessary to improve the reliability of the electronic control unit against foreign matter and heat.
I run.

【0035】[0035]

【0036】請求項では、金属箱の周縁部を延長して
モールド配線板に沿って折曲げて、モールド配線板に固
定したので、コネクタ部以外に接続部を有することで、
より確実なモールド配線板の固定を実現できる。したが
って、モールド配線板の自重によるコネクタ部への応力
による機械的、電気的接続不良をなくすことができ、安
定した空気調和機の運転につながる。
In the second aspect , since the peripheral portion of the metal box is extended and bent along the molded wiring board and fixed to the molded wiring board, by having the connection portion other than the connector portion,
More reliable fixation of the molded wiring board can be realized. Therefore, mechanical and electrical connection failure due to stress on the connector portion due to the weight of the molded wiring board can be eliminated, leading to stable operation of the air conditioner.

【0037】請求項では、プリント基板上のノイズフ
ィルタ、トランス、リレーなど空気調和機以外の電気製
品にノイズの影響を与えうる電装部品およびリレーのよ
うにON/OFF時の音を発する電装部品を、内部に導
体を挟み込んでいるモールド配線板の折曲げ部と金属箱
とで囲むように配設することで、電装部品の機械音の外
部へのもれ、シールド効果によるプリント基板上の実装
部品からの外部へのノイズ輻射を防止することができ
る。したがって、空気調和機以外の電気製品へのノイズ
輻射による影響を抑制し、電装部品機械音の防音による
環境への対応も実現できる。
According to a third aspect of the present invention , electrical components such as a noise filter, a transformer and a relay on a printed circuit board, which may affect electrical products other than the air conditioner, and an electrical component such as a relay, which emits a sound when turned on and off. Is placed so that it is surrounded by the bent part of the molded wiring board and the metal box that sandwiches the conductor inside, and the mechanical noise of electrical components is leaked to the outside and mounted on the printed circuit board by the shield effect. It is possible to prevent noise radiation from the parts to the outside. Therefore, it is possible to suppress the influence of noise radiation to electric products other than the air conditioner, and also to realize environmental protection by soundproofing the mechanical noise of electrical components.

【0038】請求項では、電子制御装置組込み時は、
金属箱背面部を台枠背面部内面の上下左右4枚の枠体に
納まるように手前より挿入し、金属箱の背面部とこれに
相対する枠体の部位に設けた係合部および被係合部が係
合することにより、電子制御装置の空気調和機室内機へ
の組込み時の位置決めおよび固定が可能となる。したが
って、電子制御装置の上下左右の動きがなくなり、振動
などの機械的支障に対する信頼性の向上につながる。
In the fourth aspect , when the electronic control unit is incorporated,
The metal box rear part is inserted from the front side so as to fit in the four upper, lower, left and right frame bodies on the inner surface of the underside of the underframe, and the engaging part and the engaged portion provided on the rear part of the metal box and the portion of the frame body facing the rear part. Engagement of the joints enables positioning and fixing when the electronic control unit is installed in the air conditioner indoor unit. Therefore, the vertical and horizontal movements of the electronic control unit are eliminated, which leads to improvement in reliability against mechanical obstacles such as vibration.

【0039】請求項では、既存のモータ固定具のねじ
挿入穴と相対するモールド配線板上にねじ挿入穴を設け
たので、モータ固定具を固定するねじを兼ねたねじによ
り、モールド配線板を台枠にねじ止めすることで、モー
タ固定具を介して、モールド配線板の台枠への直接固定
が実現する。したがって、モールド配線板の輸送時など
の振動によるプリント基板とのコネクタ接続部における
接触不良などのトラブルを防止できる。
[0039] According to claim 5, is provided with the screw insertion hole into an existing motor fastener screw insertion hole that faces the mold wiring board, by a screw which also serves as a screw for fixing the motor fixture, the mold wiring board By screwing to the underframe, the molded wiring board can be directly fixed to the underframe via the motor fixture. Therefore, it is possible to prevent troubles such as poor contact at the connector connecting portion with the printed circuit board due to vibration during transportation of the molded wiring board.

【0040】請求項では、先端が分割した突状部を有
する突起と、この突起とは反対方向でモータ固定具の両
側縁部に係合したガイドとからなる樹脂成形品を備え、
前記突起と相対するモールド配線板上に、突起先端間が
加圧による密着時の突状部の最大径と突起先端を加圧し
ない時の突状部の最大径の中間程度のサイズの穴を設け
たので、モータ固定具に装着した樹脂成形品の突起先端
の突状部にモールド配線板の穴をあてがい、押しつけ、
突状部がモールド配線板の穴の手前に出た状態すること
で、モータ固定具を介してモールド配線板の台枠への固
定が実現する。したがって、輸送時などの振動によるト
ラブルを防止できる。また、万が一モールド配線板の穴
周辺に応力が加わっても、突起の樹脂の弾性により、割
れなどの発生を抑えることができる。さらに、モールド
配線板を固定する際の作業性が向上する。
According to a sixth aspect of the present invention , there is provided a resin molded product including a protrusion having a protrusion with a divided tip and guides engaged with both side edges of the motor fixture in a direction opposite to the protrusion,
On the molded wiring board facing the protrusion, form a hole of a size about halfway between the maximum diameter of the protrusion when the protrusion tips are in close contact by pressure and the maximum diameter of the protrusion when the protrusion tip is not pressed. Since it is provided, put a hole in the molded wiring board on the protrusion of the protrusion of the resin molded product mounted on the motor fixing tool, press it,
When the protruding portion is in front of the hole of the molded wiring board, the molded wiring board can be fixed to the underframe through the motor fixture. Therefore, troubles due to vibration during transportation can be prevented. Further, even if stress is applied to the periphery of the hole of the molded wiring board, the elasticity of the resin of the protrusions can prevent the occurrence of cracks and the like. Furthermore, workability in fixing the molded wiring board is improved.

【0041】請求項では、電子制御装置組込み時は、
金属箱背面部下部の斜めにカットした斜めカット部を台
枠背面部内面の下左右3枚の枠体の下板に当てがいなが
ら、モールド配線板を回動させ、金属箱の背面部側と相
対する台枠内面に設けた枠体の左右片の上部の断面略S
字状の折り返し部の弾性を利用し、わずかに持ち上げな
がら、モールド配線板下部のL形係合部を台枠下部の板
状突起に引っかけることにより組み込むことができる。
したがって、モールド配線板を固定する際の作業性と、
空気調和機設置後の電子制御装置の保守、メンテナンス
時の作業性が向上する。
In the seventh aspect , when the electronic control unit is incorporated,
While applying the diagonally cut diagonally cut under the back of the metal box to the lower plates of the lower left and right three frame bodies on the inner surface of the underside of the underframe, rotate the molded wiring board to move the metal box to the back side of the metal box. Sectional cross section S of the upper portions of the left and right pieces of the frame body provided on the inner surfaces of the opposing underframes
It can be incorporated by hooking the L-shaped engaging portion at the lower portion of the molded wiring board to the plate-like protrusion at the lower portion of the underframe while slightly lifting the elasticity of the character-shaped folded portion.
Therefore, workability when fixing the molded wiring board,
Maintenance of the electronic control unit after installation of the air conditioner and workability during maintenance are improved.

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

【図1】この発明の第1の実施の形態における電子制御
装置の概要を示す斜視図である。
FIG. 1 is a perspective view showing an outline of an electronic control device according to a first embodiment of the present invention.

【図2】モールド配線板の断面図である。FIG. 2 is a cross-sectional view of a molded wiring board.

【図3】第1の実施の形態において電装部品を実装した
状態を示す斜視図である。
FIG. 3 is a perspective view showing a state in which electrical components are mounted in the first embodiment.

【図4】この発明の第2の実施の形態において延長部を
有する金属蓋の斜視図である。
FIG. 4 is a perspective view of a metal lid having an extension portion according to the second embodiment of the present invention.

【図5】第2の実施の形態において金属蓋の延長部にモ
ールド配線板を固定する構造を示す断面図である。
FIG. 5 is a cross-sectional view showing a structure for fixing a molded wiring board to an extension portion of a metal lid in the second embodiment.

【図6】この発明の第3の実施の形態における電子制御
装置の固定手法を示す斜視図である。
FIG. 6 is a perspective view showing a fixing method of an electronic control device according to a third embodiment of the present invention.

【図7】この発明の第4の実施の形態におけるモールド
配線板の固定構造を示す斜視図である。
FIG. 7 is a perspective view showing a fixing structure for a molded wiring board according to a fourth embodiment of the present invention.

【図8】この発明の第5の実施の形態におけるモールド
配線板の固定構造を示す斜視図である。
FIG. 8 is a perspective view showing a fixed structure of a molded wiring board according to a fifth embodiment of the present invention.

【図9】第5の実施の形態における樹脂成形品装着前の
断面図である。
FIG. 9 is a cross-sectional view before mounting a resin molded product according to a fifth embodiment.

【図10】第5の実施の形態におけるモールド配線板固
定状態の断面図である。
FIG. 10 is a cross-sectional view of a molded wiring board fixed state in a fifth embodiment.

【図11】この発明の第6の実施の形態における電子制
御装置の固定状態を示す斜視図である。
FIG. 11 is a perspective view showing a fixed state of an electronic control unit according to a sixth embodiment of the present invention.

【図12】第6の実施の形態における電子制御装置の固
定手法を示す断面図である。
FIG. 12 is a cross-sectional view showing a fixing method of the electronic control unit in the sixth embodiment.

【図13】従来例における電子制御装置の空気調和機へ
の組み込み状態の斜視図である。
FIG. 13 is a perspective view showing a state in which the electronic control device according to the conventional example is installed in an air conditioner.

【符号の説明】[Explanation of symbols]

1 送風機用モータ 2 空気調和機室内台枠 3 送風機用モータ固定具 4 従来の電源板 5 従来の電源板内のプリント基板 6 内外接続端子台 7 電源スイッチ 8 モールド配線板内の銅板 9 モールド配線板の樹脂 10 モールド配線板 11 部品実装したプリント基板 12 コネクタ部 13 金属板 14 金属蓋 15 金属箱 16 引き出し口 17 折曲げ部 18 側板 19 モールド配線板の穴 20 金属蓋側板の穴 21 固定用ねじ 22 リレー 23 位置決め用穴 24 枠体 25 位置決め用突起 26 モータ固定具の穴 27 モールド配線板の穴 28 固定用ねじ 29 突起先端 30 突状部 31 突起 32 ガイド 33 樹脂成形品 34 モールド配線板の嵌合穴 35 樹脂成形品の嵌合固定部 36 枠体 37 折曲げ部 38 板状突起 39 斜めカット部 40 L形係合部 41 下板 1 Blower motor 2 Air conditioner indoor underframe 3 Blower motor fixture 4 Conventional power board 5 Printed circuit boards in conventional power supply boards 6 Internal / external connection terminal block 7 power switch 8 Copper plate in molded wiring board 9 Molded wiring board resin 10 Molded wiring board Printed circuit board with 11 components mounted 12 Connector part 13 Metal plate 14 Metal lid 15 metal box 16 outlet 17 Bent section 18 side plate 19 Molded wiring board holes 20 Holes on the metal lid side plate 21 Fixing screw 22 relays 23 Positioning hole 24 frame 25 Positioning protrusion 26 Motor Fixture Hole 27 Molded wiring board holes 28 Fixing screw 29 Tip of protrusion 30 protrusions 31 Protrusion 32 guides 33 Resin molded products 34 Molded wiring board fitting hole 35 Fitting and fixing part of resin molded product 36 frame 37 Folded part 38 Plate-shaped protrusion 39 Diagonal cut part 40 L type engaging part 41 Lower plate

───────────────────────────────────────────────────── フロントページの続き (72)発明者 福西 孝浩 大阪府門真市大字門真1006番地 松下電 器産業株式会社内 (72)発明者 荒川 真由美 大阪府門真市大字門真1006番地 松下電 器産業株式会社内 (56)参考文献 特開 昭61−41841(JP,A) 特開 平10−4158(JP,A) 特開 平8−266731(JP,A) 特開 平8−200729(JP,A) 特開 平8−178345(JP,A) 特開 平8−68544(JP,A) 特開 平7−167684(JP,A) 特開 平6−252527(JP,A) 特開 平4−9532(JP,A) 実開 昭63−40089(JP,U) 実開 昭62−189537(JP,U) 実開 昭60−128250(JP,U) 実開 昭58−20125(JP,U) 実開 平4−78428(JP,U) 実開 平2−58626(JP,U) 実公 昭58−15773(JP,Y1) (58)調査した分野(Int.Cl.7,DB名) F24F 11/02 103 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takahiro Fukunishi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Mayumi Arakawa 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. (56) Reference JP-A 61-41841 (JP, A) JP-A 10-4158 (JP, A) JP-A 8-266731 (JP, A) JP-A 8-200729 (JP, A) JP 8-178345 (JP, A) JP 8-68544 (JP, A) JP 7-167684 (JP, A) JP 6-252527 (JP, A) JP 4-9532 (JP, A) Actually opened 63-40089 (JP, U) Actually opened 62-189537 (JP, U) Actually opened 60-128250 (JP, U) Actually opened 58-20125 (JP, U) Actual Kaihei 4-78428 (JP, U) Actual Kaihei 2-58626 (JP, U) Actual public Sho 58 15773 (JP, Y1) (58 ) investigated the field (Int.Cl. 7, DB name) F24F 11/02 103

Claims (7)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 送風機用モータが、空気調和機室内機の
外郭である室内機台枠の内部の下方背面部に送風機用モ
ータ固定具を用いて固定され、前記モータおよびモータ
固定具の上方から室内機前方側にかけた収納空間に、モ
ータおよびモータ固定具を包囲するように配設された空
気調和機の電子制御装置であって、部品実装したプリン
ト基板と、電流を流すための導体を両面から樹脂でモー
ルド成形したモールド配線板とを前記収納空間に配置
し、前記プリント基板の周囲を箱形状の金属箱で囲み、
空気調和機が運転可能となるように前記プリント基板と
前記モールド配線板が機構的、電気的に接続しうるコネ
クタ部を設け、かつ、前記プリント基板上の部品と空気
調和機内の送風機およびセンサ等とのリード線接続に利
用される前記金属箱の引出し口を、前記モールド配線板
を折曲げてカバーしたことを特徴とする空気調和機の電
子制御装置。
1. A blower motor is fixed to a lower rear portion inside an indoor unit underframe, which is an outer casing of an air conditioner indoor unit, by using a blower motor fixing tool, and from above the motor and the motor fixing tool. An electronic control unit for an air conditioner, which is arranged so as to surround a motor and a motor fixture in a storage space extending to the front side of an indoor unit, in which a printed circuit board on which components are mounted and a conductor for passing an electric current are provided on both sides. A molded wiring board molded with a resin from and is placed in the storage space, and the periphery of the printed circuit board is surrounded by a box-shaped metal box,
The printed circuit board and the molded wiring board are provided with a connector portion capable of mechanically and electrically connecting the printed circuit board and the molded wiring board so that the air conditioner can operate.
Useful for connecting lead wires to fans and sensors in the air conditioner.
The outlet of the metal box used for the molded wiring board
An electronic control device for an air conditioner, which is characterized by bending and covering .
【請求項2】 金属箱の周縁部を延長してモールド配線
板に沿って折曲げモールド配線板に固定した請求項1記
載の空気調和機の電子制御装置。
2. A mold wiring which extends a peripheral portion of a metal box.
The electronic control device for an air conditioner according to claim 1, wherein the electronic control device is fixed to a bent mold wiring board along the board .
【請求項3】 空気調和機以外の電気製品にノイズの影
響を与えうる電装部品およびON/OFF時の音を発す
る電装部品をモールド配線板の背面、かつ金属箱内に配
設した請求項記載の空気調和機の電子制御装置。
3. The shadow of noise on electrical products other than air conditioners.
Produces sound of electrical components and ON / OFF that can give a sound
Electrical components on the back of the molded wiring board and in the metal box.
The electronic control unit for an air conditioner according to claim 1, which is provided.
【請求項4】 金属箱を囲むように上下左右の4片から
なる枠体を収納空間の室内機台枠内面に設け、前記金属
箱の背面部とこれに相対する前記枠体の部位に係脱自在
に係合する係合部および被係合部を設けた請求項記載
の空気調和機の電子制御装置。
4. From four pieces on the left, right, top and bottom so as to surround the metal box.
The inner frame of the indoor unit of the storage space is provided with
Freely attachable to and detachable from the back of the box and the part of the frame that faces it
Electronic control device for an air conditioner of the engaging portion and the claim 1 provided with the engaged portion engaged with.
【請求項5】 既存のモータ固定具のねじ挿入穴と相対
するモールド配線板上にねじ挿入穴を設けた請求項
載の空気調和機の電子制御装置。
5. Relative to a screw insertion hole of an existing motor fixture.
The electronic control device for an air conditioner according to claim 4 , wherein a screw insertion hole is provided on the molded wiring board .
【請求項6】 先端が分割した突状部を有する突起と、
この突起とは反対方向でモータ固定具の両側縁部に係合
したガイドとからなる樹脂成形品を備え、前記突起と相
対するモールド配線板上に、突起先端間が加圧による密
着時の突状部の最大径と突起先端を加圧しない時の突状
部の最大径の中間程度のサイズの穴を設けた請求項
載の空気調和機の電子制御装置。
6. A projection having a projecting portion whose tip is divided,
Engage on both edges of the motor fixture in the opposite direction of this protrusion
And a resin molded product consisting of
On the opposite side of the molded wiring board, the space between
The maximum diameter of the protrusion when worn and the protrusion when the tip of the protrusion is not pressed
The electronic control unit for an air conditioner according to claim 4, wherein a hole having a size about the middle of the maximum diameter of the portion is provided .
【請求項7】 下左右3片からなる枠体を収納空間の室
内機台枠内面に設け 、その枠体の左右片の上部に断面略
S字状の折り返し部を形成し、モールド配線板下部が相
対する室内機台枠内面に、組み込み時のモールド配線板
下部先端の上方向からの軌跡上に板状突起を設けるとと
もに、モールド配線板下部に前記板状突起に係合するL
形係合部を設け、金属箱の背面部下部を斜めにカットし
請求項記載の空気調和機の電子制御装置。
7. A chamber for accommodating a frame body including three pieces on the lower left and right sides.
It is provided on the inner surface of the inner machine frame and the cross section is roughly
Form an S-shaped folded-back part so that the lower part of the molded wiring board
Mold wiring board when assembled on the inner surface of the indoor unit underframe
If a plate-like protrusion is provided on the locus from above in the lower tip,
At the bottom of the molded wiring board, L which engages with the plate-like projection is formed.
Shaped engagement part is provided, and the lower part of the back of the metal box is cut diagonally.
An electronic control unit for an air conditioner according to claim 1 .
JP00717597A 1997-01-20 1997-01-20 Electronic control unit for air conditioner Expired - Fee Related JP3516823B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP00717597A JP3516823B2 (en) 1997-01-20 1997-01-20 Electronic control unit for air conditioner

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Application Number Priority Date Filing Date Title
JP00717597A JP3516823B2 (en) 1997-01-20 1997-01-20 Electronic control unit for air conditioner

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JPH10205860A JPH10205860A (en) 1998-08-04
JP3516823B2 true JP3516823B2 (en) 2004-04-05

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CN109959132A (en) * 2019-04-22 2019-07-02 宁波奥克斯电气股份有限公司 A kind of automatically controlled box mounting structure and air conditioner

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JPS5815773Y2 (en) * 1978-11-14 1983-03-30
JPS622420Y2 (en) * 1981-07-30 1987-01-21
JPS60128250U (en) * 1984-02-07 1985-08-28
JPS6141841A (en) * 1984-08-01 1986-02-28 Matsushita Electric Ind Co Ltd Humidity sensor fixing device for air conditioner
JPH0416103Y2 (en) * 1986-05-26 1992-04-10
JPS6340089U (en) * 1986-08-29 1988-03-15
JPH0612448Y2 (en) * 1988-10-19 1994-03-30 ダイキン工業株式会社 Air conditioner
JPH049532A (en) * 1990-04-27 1992-01-14 Sanyo Electric Co Ltd Air conditioner
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