JP5459614B2 - Air conditioner - Google Patents

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JP5459614B2
JP5459614B2 JP2010052628A JP2010052628A JP5459614B2 JP 5459614 B2 JP5459614 B2 JP 5459614B2 JP 2010052628 A JP2010052628 A JP 2010052628A JP 2010052628 A JP2010052628 A JP 2010052628A JP 5459614 B2 JP5459614 B2 JP 5459614B2
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light emitting
light
air conditioner
prism display
display body
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JP2011185553A (en
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慎太郎 上野
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Fujitsu General Ltd
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Description

本発明は、空気調和機に係り、特に空気調和機本体の表面に設けたプリズム表示体について改良を施した空気調和機に関する。   The present invention relates to an air conditioner, and more particularly to an air conditioner in which a prism display body provided on the surface of an air conditioner body is improved.

従来、空気調和機には、図５、図６に示すように、運転、タイマー等の運転状況を表示する表示部１を空気調和機本体１００に設けていた。さらに、近年の空気調和機は、単なる冷房、暖房、除湿等の冷凍サイクル運転ばかりではなく、空気の清浄化を促進して、健康的でかつ快適な空気調和を行うようにしている。例えば、リモコンからの空気清浄化駆動信号をリモコン受信器２が受信すると、空気通路に設けたＵＶランプ３と吹出口内に設けたイオン発生器４が稼動し、通風路を通る浮遊菌に紫外線を照射して除菌し、空気中にオゾンとイオンを放出して空気を浄化する機能がある。この空気浄化運転中であることは、空気調和機本体前面に備えた吸込グリル５に設けたプリズム表示体６を発光させて知らせている。   Conventionally, as shown in FIG. 5 and FIG. 6, the air conditioner main body 100 is provided with a display unit 1 that displays operation status such as operation and a timer. Furthermore, recent air conditioners not only perform refrigeration cycle operations such as cooling, heating, and dehumidification, but also promote air purification to achieve healthy and comfortable air conditioning. For example, when the remote control receiver 2 receives an air cleaning drive signal from the remote controller, the UV lamp 3 provided in the air passage and the ion generator 4 provided in the air outlet are activated, and ultraviolet rays are transmitted to the floating bacteria passing through the ventilation path. Has the function of purifying the air by releasing ozone and ions into the air. The fact that the air purification operation is in progress is notified by causing the prism display body 6 provided on the suction grill 5 provided on the front surface of the air conditioner body to emit light.

このプリズム表示体６は、空気の通風に影響を与えないように、電装品箱やファンモータが置かれている空気調和機本体１００の端部の側に位置する個所、つまり吸込グリル５の端部（右端）に設けているが、そのプリズム表示体６の背面側には電装品箱やファンモータが配置されているため、発光のための光源を設けるスペースがない。   This prism display body 6 is located at the end side of the air conditioner main body 100 where the electrical component box and the fan motor are placed, that is, the end of the suction grille 5 so as not to affect the air ventilation. Although the electrical component box and the fan motor are arranged on the back side of the prism display body 6, there is no space for providing a light source for light emission.

そこで、ＬＥＤ素子などの光源を、電装品箱の隣で通風抵抗にならない場所に設置して、その光源の光を透明樹脂で成型した長尺形状のプリズム表示体６に一端から入射して導き、その内部を光の反射を利用して伝搬させ、他端で発光させている。図７に示すように、プリズム表示体６は、光を導く導光部６ａと、導かれた光を発光させる発光部６ｂとで構成されている。導光部６ａには、ＬＥＤ素子などの光源７（図８）から光を取り込む光入射面６ａ１と、取り込んだ光を特定方向に反射させる反射面６ａ２とを備えている。発光部６ｂには、背面６ｂ１に凹凸によるシボ加工部（図７では図示せず）を、正面に発光面６ｂ２を備え、背面６ｂ１と正面の発光面６ｂ２との間には、取り付けの際の位置決め用の段差部６ｂ３が形成されている。光源７から光入射面６ａ１に入射した光は、反射面６ａ２で発光部６ｂの方向に反射され、導光部６ａで反射伝搬されて発光部６ｂに導かれ、背面６ｂ１のシボ加工部で乱反射され、発光面６ｂ２が発光するようになる。このとき、発光部６ｂ内で光を乱反射させ、発光に必要な光量を貯めるために、発光部６ｂは一定の容積が必要となる。   Therefore, a light source such as an LED element is installed next to the electrical component box in a place where there is no ventilation resistance, and the light from the light source enters the long prism display body 6 formed of a transparent resin from one end and is guided. , The inside is propagated using reflection of light and light is emitted at the other end. As shown in FIG. 7, the prism display body 6 includes a light guide portion 6a that guides light and a light emitting portion 6b that emits the guided light. The light guide 6a includes a light incident surface 6a1 that takes in light from a light source 7 (FIG. 8) such as an LED element, and a reflective surface 6a2 that reflects the taken light in a specific direction. The light emitting portion 6b is provided with an embossed portion (not shown in FIG. 7) on the back surface 6b1 and a light emitting surface 6b2 on the front surface, and between the back surface 6b1 and the front light emitting surface 6b2 at the time of attachment. A positioning step 6b3 is formed. The light incident on the light incident surface 6a1 from the light source 7 is reflected in the direction of the light emitting unit 6b by the reflecting surface 6a2, reflected and propagated by the light guide unit 6a, guided to the light emitting unit 6b, and irregularly reflected by the embossed portion of the back surface 6b1. As a result, the light emitting surface 6b2 emits light. At this time, in order to diffusely reflect light within the light emitting unit 6b and store the amount of light necessary for light emission, the light emitting unit 6b needs a certain volume.

図８は図６のＡ-Ａ断面図であり、プリズム表示体６の取り付け構造を示すものである。プリズム表示体６の発光面６ｂ２は、吸込グリル５に形成された開口５ａの縁に、段差部６ｂ３が位置するように後側からはめ込まれ、その背面６ｂ１から前面パネル８の前面部８ａが前方に押し当てるように取り付けられている。９はプリズム表示体６を押さえ、吸込グリル５から光が透けて見えることを防ぐ押板である。以上のようなプリズム表示体６については、例えば特許文献１に類似の記載がある。   FIG. 8 is a cross-sectional view taken along the line AA of FIG. 6 and shows a mounting structure of the prism display body 6. The light emitting surface 6b2 of the prism display body 6 is fitted into the edge of the opening 5a formed in the suction grille 5 from the rear side so that the stepped portion 6b3 is positioned, and the front surface portion 8a of the front panel 8 is forward from the rear surface 6b1. It is attached so as to be pressed against. Reference numeral 9 denotes a pressing plate that holds the prism display 6 and prevents light from being seen through the suction grill 5. The prism display body 6 as described above has a description similar to, for example, Patent Document 1.

特開２００３−７４９５１号公報JP 2003-74951 A

ところが、壁掛型の空気調和機本体１００は、天井近くに設置されることから、図８のＢ−Ｂ断面である図９(ｂ)に示すように、室内の照明光が上方から当たるため、その照明光によってプリズム表示体６の上端面に接する照明光の当たらない前面パネル８がプリズム表示体６に映りこむことになり、上面端の厚さ分だけ暗く見える。このため、プリズム表示体６の非点灯時に使用者が下から見上げると、直接暗くなった部分を透明なプリズム表示体６を通して見ることになり、図９(ａ)に示すように、発光面６ｂ２における上の部分に、上下方向に幅広の影Ｘが視認される。特に昨今の空気調和機本体は、室内の壁になじむように全体が白色で構成されていることから、白色のなかに黒い影Ｘが生じると、美観を損なうという問題があった。   However, since the wall-mounted air conditioner main body 100 is installed near the ceiling, as shown in FIG. 9B, which is a BB cross section of FIG. The front panel 8 that is not exposed to the illumination light in contact with the upper end surface of the prism display body 6 is reflected on the prism display body 6 by the illumination light, and looks darker by the thickness of the upper surface edge. For this reason, when the user looks up from below when the prism display 6 is not lit, the darkened portion is directly viewed through the transparent prism display 6, and as shown in FIG. 9A, the light emitting surface 6b2. A shadow X that is wide in the up-down direction is visually recognized in the upper part. In particular, the recent air conditioner main body is configured in white so as to be adapted to the wall of the room, so that when the black shadow X is generated in the white, the aesthetic appearance is impaired.

本発明の目的は、室内の照明光によってプリズム表示体に生じる影を極力幅狭にして、美観を損なわないようにした空気調和機の室内機を提供することである。   An object of the present invention is to provide an indoor unit of an air conditioner in which a shadow generated on a prism display body by indoor illumination light is made as narrow as possible so as not to impair the beauty.

上記目的を達成するために、請求項１にかかる発明の空気調和機は、空気調和機本体と、長尺形状の透明樹脂製でなり、一方の端の背面に光源からの光が入射する光入射面が形成され、他方の端の正面に垂直且つ平面形状の発光面が形成され、該発光面の背後には発光部が形成されたプリズム表示体とを備えた空気調和機において、前記プリズム表示体は、前記空気調和機本体の前面の開口に、前記発光面が前記前面に平行な状態で露出するように取り付けられ、前記発光部の上下方向の中央部分の背面を上部分よりも後方に突出させ、前記発光部の上端面の前後方向の幅を、前記発光部の上下方向の中央部分の前後方向の幅よりも小さくしたことを特徴とする。
請求項２にかかる発明は、請求項１に記載の空気調和機において、前記プリズム表示体の前記発光部を、下端面の前後方向の幅が前記上端面の前後方向の幅よりも大きく、且つ前記下端面の後端が後方に突出するよう形成したことを特徴とする。
請求項３にかかる発明は、請求項１に記載の空気調和機において、前記プリズム表示体の前記発光部を、前記中央部分が後方に膨らみ断面が、かまぼこ形状になるよう形成したことを特徴とする。
In order to achieve the above object, an air conditioner according to a first aspect of the present invention is an air conditioner body and light made of a long transparent resin, and light from a light source is incident on the back of one end. In the air conditioner, the prism includes a prism display body on which an incident surface is formed, a light emitting surface having a vertical and planar shape is formed in front of the other end, and a light emitting portion is formed behind the light emitting surface. The display body is attached to the opening of the front surface of the air conditioner main body so that the light emitting surface is exposed in a state parallel to the front surface, and the rear surface of the central portion in the vertical direction of the light emitting portion is behind the upper portion. The width in the front-rear direction of the upper end surface of the light-emitting part is made smaller than the width in the front-rear direction of the central part in the vertical direction of the light-emitting part.
The invention according to claim 2 is the air conditioner according to claim 1, wherein the light emitting portion of the prism display body has a width in the front-rear direction of the lower end surface larger than the width in the front-rear direction of the upper end surface, and The rear end of the lower end surface is formed to protrude rearward.
According to a third aspect of the present invention, in the air conditioner according to the first aspect, the light emitting portion of the prism display body is formed such that the central portion swells rearward and the cross section has a kamaboko shape. To do.

本発明によれば、発光部の上端面の前後方向の幅を、発光部の上下方向の中央部分の前後方向の幅よりも小さくしたので、室内の上方からの照明光によってプリズム表示体の発光面に生じる影の幅が狭くなり、美観を損なう問題を解決でき、なおかつ、発光に必要な光量を確保できる発光部となる。   According to the present invention, since the width in the front-rear direction of the upper end surface of the light emitting unit is smaller than the width in the front-rear direction of the central portion in the vertical direction of the light emitting unit, the light emitted from the prism display body is emitted by illumination light from above the room. The width of the shadow generated on the surface is narrowed, so that the problem of impairing the aesthetics can be solved, and the light emitting section that can secure the light quantity necessary for light emission is obtained.

本発明の第１の実施例のプリズム表示体の斜視図である。It is a perspective view of the prism display body of the 1st example of the present invention. （ａ）は本発明の第１の実施例のプリズム表示体の発光面の正面図、（ｂ）は取付状態の断面図である。(A) is a front view of the light emission surface of the prism display body of the 1st Example of this invention, (b) is sectional drawing of an attachment state. 本発明の第２の実施例のプリズム表示体の斜視図である。It is a perspective view of the prism display body of the 2nd Example of this invention. （ａ）は本発明の第２の実施例のプリズム表示体の発光面の正面図、（ｂ）は取付状態の断面図である。(A) is a front view of the light emission surface of the prism display body of the 2nd Example of this invention, (b) is sectional drawing of an attachment state. 空気清浄機能を有する空気調和機本体の斜視図である。It is a perspective view of the air conditioner main body which has an air purifying function. 図５の空気調和機本体の右端部の部分正面図である。It is a partial front view of the right end part of the air conditioner main body of FIG. （ａ）、（ｂ）は従来のプリズム表示体の斜視図である。(A), (b) is a perspective view of the conventional prism display body. 図６のＡ-Ａ断面図である。It is AA sectional drawing of FIG. （ａ）は本発明の従来のプリズム表示体の発光面の正面図、（ｂ）は取付状態の断面図（図８のＢ-Ｂ断面図）である。(A) is the front view of the light emission surface of the conventional prism display body of this invention, (b) is sectional drawing (BB sectional drawing of FIG. 8) of an attachment state.

＜第１の実施例＞
図１に本発明の第１の実施例のプリズム表示体１０を示す。このプリズム表示体１０は、光を導く導光部１０ａと、導かれた光を発光させる発光部１０ｂとで構成されている。導光部１０ａには、ＬＥＤ素子などの光源７から光を取り込む光入射面１０ａ１と、取り込んだ光を特定方向に反射させる反射面１０ａ２とを備えている。発光部１０ｂには、背面１０ｂ１にシボ加工部が形成され、正面に発光面１０ｂ２が設けられ、背面１０ｂ１と正面の発光面１０ｂ２との間には、取り付けの際の位置決め用の段差部１０ｂ３が形成されている。この発光部１０ｂの前後方向の幅は、上端面１０ｂ４が小さく下端面１０ｂ５が後方に突出するように大きくなり、断面がほぼ直角三角形となるように構成されている。光源７から光入射面１０ａ１に入射した光は、反射面１０ａ２で反射され、導光部１０ａで反射伝搬されて発光部１０ｂに導かれ、背面１０ｂ１のシボ加工部で乱反射され、発光面１０ｂ２が発光するようになる。 <First embodiment>
FIG. 1 shows a prism display 10 according to a first embodiment of the present invention. The prism display body 10 includes a light guide unit 10a that guides light and a light emitting unit 10b that emits the guided light. The light guide unit 10a includes a light incident surface 10a1 that captures light from the light source 7 such as an LED element, and a reflective surface 10a2 that reflects the captured light in a specific direction. The light emitting portion 10b is formed with a textured portion on the back surface 10b1 and provided with a light emitting surface 10b2 on the front surface. Between the back surface 10b1 and the front light emitting surface 10b2, a step portion 10b3 for positioning at the time of mounting is provided. Is formed. The width of the light emitting portion 10b in the front-rear direction is configured such that the upper end surface 10b4 is small and the lower end surface 10b5 protrudes rearward, and the cross section is substantially a right triangle. The light incident on the light incident surface 10a1 from the light source 7 is reflected by the reflecting surface 10a2, reflected and propagated by the light guide unit 10a, guided to the light emitting unit 10b, and irregularly reflected by the embossed portion on the back surface 10b1, and the light emitting surface 10b2 is reflected. Lights up.

図２(ｂ)は本実施例のプリズム表示体１０の取付状態の断面図である。このように、本実施例では、プリズム表示体１０の発光部１０ｂの上端面１０ｂ４の幅が小さく、下端面１０ｂ５の幅が大きいので、室内の照明光が上方から当たるとき、図２(ａ)に示すように、その照明光による影Ｘは、その上下方向の幅が大幅に狭くなり、美観を損なうことはない。   FIG. 2B is a cross-sectional view of the prism display body 10 according to the present embodiment attached. Thus, in this embodiment, since the width of the upper end surface 10b4 of the light emitting portion 10b of the prism display body 10 is small and the width of the lower end surface 10b5 is large, when indoor illumination light hits from above, FIG. As shown in FIG. 4, the shadow X caused by the illumination light has a significantly narrower vertical width and does not impair the aesthetic appearance.

＜第２の実施例＞
図３に本発明の第２の実施例のプリズム表示体２０を示す。このプリズム表示体２０は、光を導く導光部２０ａと、導かれた光を発光させる発光部２０ｂとで構成されている。導光部２０ａには、ＬＥＤ素子などの光源７から光を取り込む光入射面２０ａ１と、取り込んだ光を特定方向に反射させる反射面２０ａ２とを備えている。発光部２０ｂには、背面２０ｂ１にシボ加工部が形成され、正面に発光面２０ｂ２が設けられ、背面２０ｂ１と正面の発光面２０ｂ２との間には、取り付けの際の位置決め用の段差部２０ｂ３が形成されている。この発光部２０ｂの断面は、かばぼこ形状に中央部後方が後に張り出した形状であり、上端面２０ｂ４と下端面２０ｂ５の前後方向の幅が小さく、中央の厚みが大きくなっている。光源７から光入射面２０ａ１に入射した光は、反射面２０ａ２で反射され、導光部２０ａで反射伝搬されて発光部２０ｂに導かれ、背面２０ｂ１のシボ加工部で乱反射され、発光面２０ｂ２が発光するようになる。 <Second embodiment>
FIG. 3 shows a prism display body 20 according to a second embodiment of the present invention. The prism display 20 includes a light guide 20a that guides light and a light emitting unit 20b that emits the guided light. The light guide unit 20a includes a light incident surface 20a1 that captures light from the light source 7 such as an LED element, and a reflective surface 20a2 that reflects the captured light in a specific direction. The light emitting portion 20b is formed with a textured portion on the back surface 20b1, a light emitting surface 20b2 is provided on the front surface, and a step 20b3 for positioning at the time of attachment is provided between the back surface 20b1 and the front light emitting surface 20b2. Is formed. The light emitting section 20b has a cross-sectional shape in which a rear portion of the central portion protrudes into a hollow shape, the width of the upper end surface 20b4 and the lower end surface 20b5 in the front-rear direction is small, and the thickness of the center is large. The light incident on the light incident surface 20a1 from the light source 7 is reflected by the reflecting surface 20a2, reflected and propagated by the light guide unit 20a, guided to the light emitting unit 20b, and irregularly reflected by the embossed portion on the back surface 20b1, and the light emitting surface 20b2 is reflected. Lights up.

図４(ｂ)は本実施例のプリズム表示体２０の取付状態の断面図である。このように、本実施例ではプリズム表示体２０の発光部２０ｂの上端面２０ｂ４と下端面２０ｂ５の幅が小さく、中央の厚みが大きいので、室内の照明光が上方から当たるとき、図４(ａ)に示すように、その照明光による影Ｘは、その上下方向の幅が大幅に狭くなり、美観を損なうことはない。   FIG. 4B is a cross-sectional view of the prism display body 20 according to this embodiment attached. Thus, in this embodiment, since the width of the upper end surface 20b4 and the lower end surface 20b5 of the light emitting portion 20b of the prism display body 20 is small and the thickness of the center is large, when indoor illumination light hits from above, FIG. ), The shadow X by the illumination light has a significantly narrower vertical width and does not impair the aesthetic appearance.

１：表示部
２：リモコン受信部
３：ＵＶランプ
４：イオン発生器
５：吸込グリル
６：プリズム表示体、６ａ：導光部、６ａ１：光入射面、６ａ２：反射面、６ｂ：発光部、６ｂ１：背面、６ｂ２：発光面、６ｂ３：段差部、６ｂ４：上端面、６ｂ５：下端面
７：光源（ＬＥＤ）
８：前面パネル
９：押板
１０：プリズム表示体、１０ａ：導光部、１０ａ１：光入射面、１０ａ２：反射面、１０ｂ：発光部、１０ｂ１：背面、１０ｂ２：発光面、１０ｂ３：段差部、１０ｂ４：上端面、１０ｂ５：下端面
２０：プリズム表示体、２０ａ：導光部、２０ａ１：光入射面、２０ａ２：反射面、２０ｂ：発光部、２０ｂ１：背面、２０ｂ２：発光面、２０ｂ３：段差部、２０ｂ４：上端面、２０ｂ５：下端面
1: Display unit 2: Remote control receiver unit 3: UV lamp 4: Ion generator 5: Suction grill 6: Prism display body, 6a: Light guide unit, 6a1: Light incident surface, 6a2: Reflecting surface, 6b: Light emitting unit, 6b1: Back surface, 6b2: Light emitting surface, 6b3: Stepped portion, 6b4: Upper end surface, 6b5: Lower end surface 7: Light source (LED)
8: Front panel 9: Push plate 10: Prism display body, 10a: Light guide portion, 10a1: Light incident surface, 10a2: Reflective surface, 10b: Light emitting portion, 10b1: Back surface, 10b2: Light emitting surface, 10b3: Stepped portion, 10b4: upper end surface, 10b5: lower end surface, 20: prism display, 20a: light guide, 20a1: light incident surface, 20a2: reflecting surface, 20b: light emitting portion, 20b1: back surface, 20b2: light emitting surface, 20b3: step portion 20b4: upper end surface, 20b5: lower end surface

Claims (3)

空気調和機本体と、長尺形状の透明樹脂製でなり、一方の端の背面に光源からの光が入射する光入射面が形成され、他方の端の正面に垂直且つ平面形状の発光面が形成され、該発光面の背後には発光部が形成されたプリズム表示体とを備えた空気調和機において、
前記プリズム表示体は、前記空気調和機本体の前面の開口に、前記発光面が前記前面に平行な状態で露出するように取り付けられ、
前記発光部の上下方向の中央部分の背面を上部分よりも後方に突出させ、前記発光部の上端面の前後方向の幅を、前記発光部の上下方向の中央部分の前後方向の幅よりも小さくしたことを特徴とする空気調和機。
The air conditioner main body is made of a long transparent resin, and a light incident surface on which light from a light source is incident is formed on the back surface of one end, and a vertical and planar light emitting surface is formed on the front surface of the other end. In an air conditioner comprising a prism display with a light emitting part formed behind the light emitting surface,
The prism display is attached to the opening on the front surface of the air conditioner main body so that the light emitting surface is exposed in a state parallel to the front surface,
The rear surface of the central portion in the vertical direction of the light emitting unit protrudes rearward from the upper portion, and the width in the front-rear direction of the upper end surface of the light emitting unit is larger than the width in the front-rear direction of the central portion in the vertical direction of the light emitting unit. An air conditioner characterized by being made smaller.
請求項１に記載の空気調和機において、
前記プリズム表示体の前記発光部を、下端面の前後方向の幅が前記上端面の前後方向の幅よりも大きく、且つ前記下端面の後端が後方に突出するよう形成したことを特徴とする空気調和機。 In the air conditioner according to claim 1,
The light emitting portion of the prism display body is formed such that the width of the lower end surface in the front-rear direction is larger than the width of the upper end surface in the front-rear direction, and the rear end of the lower end surface protrudes rearward. Air conditioner. 請求項１に記載の空気調和機において、
前記プリズム表示体の前記発光部を、前記中央部分が後方に膨らみ断面が、かまぼこ形状になるよう形成したことを特徴とする空気調和機。 In the air conditioner according to claim 1,
The air conditioner characterized in that the light emitting part of the prism display body is formed so that the central portion swells rearward and the cross section has a kamaboko shape.
JP2010052628A 2010-03-10 2010-03-10 Air conditioner Active JP5459614B2 (en)

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JP6295438B2 (en) * 2015-02-27 2018-03-20 パナソニックＩｐマネジメント株式会社 Air conditioner
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