JP5070898B2 - Air conditioner - Google Patents

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JP5070898B2
JP5070898B2 JP2007074201A JP2007074201A JP5070898B2 JP 5070898 B2 JP5070898 B2 JP 5070898B2 JP 2007074201 A JP2007074201 A JP 2007074201A JP 2007074201 A JP2007074201 A JP 2007074201A JP 5070898 B2 JP5070898 B2 JP 5070898B2
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door
terminal block
electrical cover
electrical
cover
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JP2008232554A (en
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富康 栂村
利光 弘田
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Description

本発明は、空気調和機の室内ユニットに関するものである。   The present invention relates to an indoor unit of an air conditioner.

近年、製品の安全性、信頼性に対する要求が高まり、空気調和機においてもそのさらなる向上が求められている。このため電子部品を収納する電装品箱に関して、従来から樹脂
材料の難燃化や板金材料を用いた不燃化や安全装置の取り付けなど種々の対応が進んでいる。 In recent years, demands for product safety and reliability have increased, and further improvements in air conditioners have been demanded. For this reason, various measures have been taken with respect to electrical component boxes for storing electronic components, such as flame-retardant resin materials, non-flammability using sheet metal materials, and attachment of safety devices.

従来、この種の空気調和機は、主に端子台と電子部品とが電装品箱に収納され、端子台は、据付時に室内ユニットと接続電線（渡り配線）とを接続する際の施工性に配慮して、前面側に露出して配置されている（例えば、特許文献１参照）。 Conventionally, this kind of air conditioner is mainly that the terminal block and the electronic component is accommodated in the electrical component box, terminal block, workability in connecting the chamber unit and connected wire (interconnectors) during installation In consideration of the above, they are exposed on the front side (see, for example, Patent Document 1).

特許文献１に記載の空気調和機においては、端子台と電子部品とが箱部などに収納されて構成される。端子台は前面側に露出して配置され、端子台に対して渡り配線が下方から接続されている。
特開２００３−８３５６７号公報 In the air conditioner described in Patent Document 1, a terminal block and electronic components are housed in a box or the like. The terminal block is disposed so as to be exposed on the front surface side, and the crossover wiring is connected to the terminal block from below.
JP 2003-83567 A

しかしながら、上記従来の空気調和機における電装品箱の構成では、端子台の電線の接続作業が必要なため端子台が前面側に露出しており、端子台の接続不具合が発生した場合、安全性に欠けるという課題があった。   However, in the configuration of the electrical component box in the conventional air conditioner described above, the terminal block is exposed to the front side because the connection work of the electric wire of the terminal block is required, and if a connection failure of the terminal block occurs, the safety There was a problem of lacking.

また、端子台を板金材料等の不燃材の電装カバーで覆うことは技術的には容易ではあるが、覆った場合、電線接続の際に覆う電装カバーの脱着作業が必要となって作業性が悪化するばかりでなく、電装カバーの取り付け忘れが生じる可能性もあるという課題を有していた。   In addition, it is technically easy to cover the terminal block with an electrical cover made of a non-combustible material such as a sheet metal material, but if it is covered, it is necessary to attach and detach the electrical cover that is covered when connecting the wires. Not only did it worsen, but there was also a problem that forgetting to attach the electrical cover might occur.

本発明は、上記課題を解決するためになされたものであり、安全性を確保しながら端子台への電線挿入の作業を容易とする空気調和機を提供することを目的とする。   The present invention has been made to solve the above-described problems, and an object thereof is to provide an air conditioner that facilitates the operation of inserting an electric wire into a terminal block while ensuring safety.

上記課題を解決するために、本発明の空気調和機は、室内ユニットの前面枠と、電子部品が収納される電装品箱に設けられた端子台と、前記前面枠に形成された開口部を開閉する扉とを備え、前記扉の裏側には不燃材を用いて形成された電装カバーが前記扉と一体となるように取り付けられ、前記扉の開閉に連動して前記電装カバーも同時に開閉され、前記扉を閉じた状態において、前記電装カバーが前記端子台を覆うようにし、前記扉を開けた状態において、前記電装カバーは前記扉と共に開いた状態になり、前記端子台は開放された状態となるものである。 In order to solve the above problems, an air conditioner of the present invention includes a front frame of an indoor unit, a terminal block provided in an electrical component box in which electronic components are stored, and an opening formed in the front frame. A door that opens and closes, and an electrical cover formed using a non-combustible material is attached to the back of the door so as to be integrated with the door, and the electrical cover is also opened and closed simultaneously with the opening and closing of the door. , state in the closed state of the said door, the electrical cover to cover the terminal block, in a state in which opened the door, the electrical cover will remain open with the door, said terminal board which is open It will be.

これによって、端子台が不燃材で遮蔽されるので、端子台への電線の接続不具合が発生した場合でも端子台周辺の安全性が確保できる。また扉と電装カバーが一体となっているから扉の開閉に連動して電装カバーも同時に開閉されるため、電装カバーの脱着作業が容易となる。   Thereby, since the terminal block is shielded by the non-combustible material, safety around the terminal block can be ensured even when a connection failure of the electric wire to the terminal block occurs. Further, since the door and the electrical cover are integrated, the electrical cover is also opened and closed simultaneously with the opening and closing of the door, so that the electrical cover can be easily attached and detached.

本発明の空気調和機によれば、端子台周辺の安全性が確保できるとともに、電装カバーの脱着作業を容易とし、電線接続作業を効率的に行うことができる。また、電装カバーの取り付け忘れを発生させることもない。   According to the air conditioner of the present invention, the safety around the terminal block can be secured, the electrical cover can be easily attached and detached, and the electric wire connection work can be performed efficiently. In addition, forgetting to attach the electrical cover does not occur.

第１の発明は、室内ユニットの前面枠と、電子部品が収納される電装品箱に設けられた端子台と、前記前面枠に形成された開口部を開閉する扉とを備え、前記扉の裏側には不燃材を用いて形成された電装カバーが前記扉と一体となるように取り付けられ、前記扉の開閉に連動して前記電装カバーも同時に開閉され、前記扉を閉じた状態において、前記電装
カバーが前記端子台を覆うようにし、前記扉を開けた状態において、前記電装カバーは前記扉と共に開いた状態になり、前記端子台は開放された状態となるものである。 1st invention is equipped with the front frame of the indoor unit, the terminal block provided in the electrical component box in which an electronic component is accommodated, and the door which opens and closes the opening formed in the said front frame, An electrical cover formed using a non-combustible material is attached to the back side so as to be integrated with the door, and the electrical cover is also opened and closed simultaneously with the opening and closing of the door. When the electrical cover covers the terminal block and the door is opened, the electrical cover is opened together with the door, and the terminal block is opened .

これにより、端子台周辺の安全性が確保できる。また扉と電装カバーが一体となっているので、扉の開閉と電装カバーの開閉とを連動させることができ、電装カバーの脱着作業が容易となる。   Thereby, safety around the terminal block can be secured. Further, since the door and the electrical cover are integrated, the opening and closing of the door and the opening and closing of the electrical cover can be linked, and the electrical cover can be easily attached and detached.

第２の発明は、第１の発明において、扉の裏面に端子台を囲むリブを設け、リブの内側にリブに沿うように電装カバーが取り付けられるようにしたものである。これにより、電装カバーがリブで補強されて安定するとともに電装カバーの端面が突き出すことがない。   According to a second invention, in the first invention, a rib surrounding the terminal block is provided on the back surface of the door, and the electrical cover is attached along the rib inside the rib. As a result, the electrical cover is reinforced by the ribs and stabilized, and the end surface of the electrical cover does not protrude.

第３の発明は、第１の発明において、前記扉の裏側に引っ掛け爪を設け、かつ、前記電装カバーに穴を設け、前記引っ掛け爪と前記穴とが係合することにより、前記電装カバーが前記扉の裏側に取り付けられるようにしたものである。これにより、電装カバーの扉への取り付けが簡単でしかも余分な部品も不要である。   According to a third invention, in the first invention, a hooking claw is provided on the back side of the door, a hole is provided in the electric equipment cover, and the hooking claw and the hole are engaged, whereby the electric equipment cover is It is designed to be attached to the back side of the door. This makes it easy to attach the electrical cover to the door and eliminates the need for extra parts.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

（実施の形態１）
図１は、本発明の実施の形態１による空気調和機（室内ユニット）の要部の分解斜視図である。 (Embodiment 1)
FIG. 1 is an exploded perspective view of a main part of an air conditioner (indoor unit) according to Embodiment 1 of the present invention.

図１に示されるように、電装品箱１は、熱交換器３およびドレンパン４に隣接する場所に設けられ、台枠２と前面枠５とで覆われている。その上部には、制御基板６と制御基板６を覆う板金材料からなる基板カバー７が設けられる。その中央部には端子台８が設けられ、端子台８はリード線９により制御基板６などと接続される。その下部には、接続電線１０をガイドしてその通路を形成するトンネル部１４が設けられ、その前面にはＬＥＤなどを装着した表示基板１５が設けられる。   As shown in FIG. 1, the electrical component box 1 is provided at a location adjacent to the heat exchanger 3 and the drain pan 4, and is covered with a frame 2 and a front frame 5. A substrate cover 7 made of a sheet metal material that covers the control substrate 6 and the control substrate 6 is provided on the upper portion. A terminal block 8 is provided at the center, and the terminal block 8 is connected to the control board 6 and the like by a lead wire 9. A tunnel portion 14 that guides the connecting wire 10 and forms a passage therethrough is provided at the lower portion, and a display substrate 15 equipped with LEDs and the like is provided at the front surface thereof.

この端子台８は、空気調和機の設置現場で室外ユニットから引き回される接続電線１０が接続される。端子台８の下方には、接続電線１０を固定する電線押さえ樹脂１１と電線固定ネジ１２とが設けられ、端子台８と電線押さえ樹脂１１の裏面側には板金材料からなる仕切り板１３が設けられる。   The terminal block 8 is connected to a connection wire 10 routed from an outdoor unit at the installation site of the air conditioner. Below the terminal block 8, an electric wire holding resin 11 and an electric wire fixing screw 12 for fixing the connection electric wire 10 are provided, and a partition plate 13 made of a sheet metal material is provided on the back side of the terminal block 8 and the electric wire holding resin 11. It is done.

前面枠５には、前記の端子台８と電線押さえ樹脂１１の位置に対向して開口部１６が形成され、開口部１６には、扉１７が、開口部１６を閉塞して設けられている。扉１７の上端には左右一対のＣ形状の軸受け１８が設けられ、下端には、扉固定ネジ１９が貫通するネジ穴２０が設けられる。   An opening 16 is formed in the front frame 5 so as to face the positions of the terminal block 8 and the wire pressing resin 11, and a door 17 is provided in the opening 16 so as to close the opening 16. . A pair of left and right C-shaped bearings 18 are provided at the upper end of the door 17, and a screw hole 20 through which the door fixing screw 19 passes is provided at the lower end.

図２は、扉１７の裏面図である。図２に示されるように、扉１７の裏面には箱形状のリブ２１が端子台８および電線押さえ樹脂１１を囲み、リブ２１の先端が電装品箱１と接する形で設けられる。リブ２１の内側には、複数の引っ掛け爪２２が形成され、リブの２１下端には、接続電線１０を貫通させるためのリブ切り欠き部２３が設けられる。   FIG. 2 is a rear view of the door 17. As shown in FIG. 2, a box-shaped rib 21 is provided on the back surface of the door 17 so as to surround the terminal block 8 and the wire pressing resin 11, and the tip of the rib 21 is in contact with the electrical component box 1. A plurality of hooking claws 22 are formed inside the rib 21, and a rib cutout portion 23 for penetrating the connecting wire 10 is provided at the lower end of the rib 21.

前面枠５の開口部１６の上部には左右一対の軸形状の支点２４が設けられ、下部にはボス部２５が設けられる。扉１７は、前面枠５の支点２４にその上部の軸受け１８が係合され、そしてネジ穴２０とボス部２５が接した状態で扉固定ネジ１９により固定される。   A pair of left and right shaft-shaped fulcrums 24 are provided in the upper part of the opening 16 of the front frame 5, and a boss part 25 is provided in the lower part. The door 17 is fixed by the door fixing screw 19 in a state where the upper bearing 18 is engaged with the fulcrum 24 of the front frame 5 and the screw hole 20 and the boss portion 25 are in contact with each other.

板金材料等の不燃材料からなる電装カバー２６は、板金を折り曲げて形成された箱状の
形状を有しており、その下端には、接続電線１０が貫通するための電装カバー切り欠部２７が設けられ、その側面には、複数の角穴２８が設けられる。 The electrical cover 26 made of a non-combustible material such as a sheet metal material has a box-like shape formed by bending a sheet metal, and an electrical cover cutout portion 27 through which the connecting wire 10 passes is formed at the lower end. A plurality of square holes 28 are provided on the side surface.

この電装カバー２６は、前記扉１７の裏面に形成されたリブ２１の中にリブ２１に沿って挿入され、角穴２８が引っ掛け爪２２に係合して固定される。電装カバー２６の端面は、リブ２１の端面と同面か少し凹んで設けられる。   The electrical cover 26 is inserted into the rib 21 formed on the back surface of the door 17 along the rib 21, and the square hole 28 is engaged with and fixed to the hooking claw 22. The end face of the electrical cover 26 is provided so as to be flush with or slightly recessed from the end face of the rib 21.

図３、図４は、それぞれ端子台８周辺の縦断面図と平面断面図である。図３、図４に示されるように、扉１７を閉じた状態のときは、電装カバー２６が扉１７のリブ２１とともに端子台８、電線押さえ樹脂１１の上下、左右を覆うことにより密閉する。   3 and 4 are a longitudinal sectional view and a planar sectional view around the terminal block 8, respectively. As shown in FIGS. 3 and 4, when the door 17 is in a closed state, the electrical cover 26 is sealed together with the rib 21 of the door 17 by covering the upper and lower sides and the left and right sides of the terminal block 8 and the wire pressing resin 11.

図５は、扉１７を開いた状態での端子台８周辺の縦断面図である。図５に示されるように、扉１７を開いた状態のときは、扉１７が前面枠５の支点２４を中心に回動するのに連動し、その内部に固定されている電装カバー２６は扉１７と共に移動し、端子台８および電線押さえ樹脂１１部分は開放された状態となる。据付工事は、このような扉１７の状態で前面枠５の開口部１６から手を挿入して接続電線１０を接続するのである。   FIG. 5 is a longitudinal sectional view around the terminal block 8 with the door 17 opened. As shown in FIG. 5, when the door 17 is in the open state, the door 17 is rotated around the fulcrum 24 of the front frame 5, and the electrical cover 26 fixed inside the door 17 is the door. 17 and the terminal block 8 and the wire pressing resin 11 portion are opened. In the installation work, the connecting wire 10 is connected by inserting a hand from the opening 16 of the front frame 5 in the state of the door 17.

すなわち、電装カバー２６を取り外す必要がなく端子台８などが露出するため接続電線１０の接続が容易にできるのである。   That is, since it is not necessary to remove the electrical cover 26 and the terminal block 8 and the like are exposed, the connection wire 10 can be easily connected.

以上のように本実施の形態によれば、端子台８を不燃材の電装カバー２６で覆うとともに電装カバー２６を前面枠５の扉１７の裏面に装着することにより、端子台８の周辺に不燃材のバリアが形成され、端子台８への接続電線１０の接続不具合が発生した場合でも端子台８周辺の安全性を確保することができる。   As described above, according to the present embodiment, the terminal block 8 is covered with the non-combustible material electrical cover 26 and the electrical cover 26 is attached to the back surface of the door 17 of the front frame 5, so Even when a material barrier is formed and a connection failure of the connecting wire 10 to the terminal block 8 occurs, safety around the terminal block 8 can be ensured.

また扉１７と電装カバー２６が一体となっているから、電装カバー２６の脱着作業が容易となり、電線接続作業を効率的に行うことができる。さらに、電装カバー２６の取り付け忘れを発生させることもない。   Further, since the door 17 and the electrical cover 26 are integrated, the electrical cover 26 can be easily attached and detached, and the wire connection work can be performed efficiently. In addition, forgetting to attach the electrical cover 26 does not occur.

また、本実施の形態では、扉１７の裏面にリブ２１が端子台８を覆うように設けられ、その内側に電装カバー２６をリブ２１に沿って設けているから、電装カバー２６がリブ２１で補強されて取り付けが安定するとともに電装カバー２６の端面がリブ２１より突き出すことがない。   Further, in the present embodiment, the rib 21 is provided on the back surface of the door 17 so as to cover the terminal block 8, and the electrical cover 26 is provided along the rib 21 on the inner side, so the electrical cover 26 is the rib 21. It is reinforced and the mounting is stabilized, and the end face of the electrical cover 26 does not protrude from the rib 21.

また、電装カバー２６は、その角穴２８が扉１７のリブ２１の引っ掛け爪２２に係合して固定されるため、取り付けが簡単でしかも余分な部品も不要である。   Further, since the electrical cover 26 is fixed by engaging the square holes 28 with the hooking claws 22 of the ribs 21 of the door 17, it is easy to mount and no extra parts are required.

なお、本実施の形態においては電装カバー２６を一体として端子台８を覆った構成としたが、例えば一部を電源箱１に残し、その他の部分を扉１７に設けるような分割構造としても、同じ効果が得られることは言うまでもない。   In the present embodiment, the electric cover 26 is integrated and the terminal block 8 is covered. However, for example, a split structure in which a part is left in the power supply box 1 and the other part is provided in the door 17, Needless to say, the same effect can be obtained.

以上のように、本発明にかかる空気調和機の電装品箱は、空気調和機以外にも、設置現場での電線接続作業が必要な機器に適用が可能である。   As described above, the electrical equipment box of the air conditioner according to the present invention can be applied to devices that require wire connection work at the installation site, in addition to the air conditioner.

本発明の実施の形態１による空気調和機（室内ユニット）の要部の分解斜視図The disassembled perspective view of the principal part of the air conditioner (indoor unit) by Embodiment 1 of this invention. 同実施の形態の扉１７の裏面図Rear view of door 17 of the same embodiment 同実施の形態の端子台８周辺の縦断面図Vertical sectional view around the terminal block 8 of the same embodiment 同実施の形態の端子台８周辺の平面断面図Plan sectional view around terminal block 8 of the same embodiment 同実施の形態の扉１７を開いた状態での端子台８周辺の縦断面図Vertical sectional view around the terminal block 8 with the door 17 of the embodiment open

１ 電装品箱
５ 前面枠
８ 端子台
１６ 開口部
１７ 扉
２１ リブ
２４ 支点
２６ 電装カバー DESCRIPTION OF SYMBOLS 1 Electrical component box 5 Front frame 8 Terminal block 16 Opening part 17 Door 21 Rib 24 Support point 26 Electrical component cover

Claims (3)

室内ユニットの前面枠と、電子部品が収納される電装品箱に設けられた端子台と、前記前面枠に形成された開口部を開閉する扉とを備え、前記扉の裏側には不燃材を用いて形成された電装カバーが前記扉と一体となるように取り付けられ、前記扉の開閉に連動して前記電装カバーも同時に開閉され、前記扉を閉じた状態において、前記電装カバーが前記端子台を覆うようにし、前記扉を開けた状態において、前記電装カバーは前記扉と共に開いた状態になり、前記端子台は開放された状態となる空気調和機。 A front frame of the indoor unit, a terminal block provided in an electrical component box in which electronic components are stored, and a door that opens and closes an opening formed in the front frame, and a noncombustible material is provided on the back side of the door. The electrical cover formed using is attached so as to be integrated with the door, and the electrical cover is also opened and closed simultaneously with the opening and closing of the door . When the door is closed, the electrical cover is connected to the terminal block. When the door is opened, the electrical cover is in an open state with the door, and the terminal block is in an open state . 前記扉の裏面に前記端子台を囲むリブが設けられ、前記リブの内側に前記リブに沿うように前記電装カバーが取り付けられるようにした請求項１に記載の空気調和機。 The air conditioner according to claim 1, wherein a rib surrounding the terminal block is provided on a back surface of the door, and the electrical cover is attached to the inside of the rib along the rib. 前記扉の裏側に引っ掛け爪を設け、かつ、前記電装カバーに穴を設け、前記引っ掛け爪と前記穴とが係合することにより、前記電装カバーが前記扉の裏側に取り付けられるようにした請求項１に記載の空気調和機。
A hooking claw is provided on the back side of the door, a hole is provided in the electrical cover, and the electrical cover is attached to the back side of the door by engaging the hooking claw and the hole. The air conditioner according to 1.
JP2007074201A 2007-03-22 2007-03-22 Air conditioner Active JP5070898B2 (en)

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JP5185192B2 (en) * 2009-05-21 2013-04-17 象印マホービン株式会社 Heater
JP5473504B2 (en) * 2009-09-09 2014-04-16 三菱重工業株式会社 Control box for indoor unit
JP2013053821A (en) * 2011-09-05 2013-03-21 Panasonic Corp Air conditioner
JP6064659B2 (en) * 2013-02-18 2017-01-25 株式会社富士通ゼネラル Air conditioner
CN107091524B (en) * 2017-04-21 2022-08-09 奥克斯空调股份有限公司 Wall-mounted air conditioner with detachable base
JP6971619B2 (en) * 2017-04-28 2021-11-24 三菱重工サーマルシステムズ株式会社 Indoor unit of air conditioner
WO2023119472A1 (en) * 2021-12-22 2023-06-29 三菱電機株式会社 Air purifier

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