JP3307301B2 - Air conditioner - Google Patents

Air conditioner

Info

Publication number
JP3307301B2
JP3307301B2 JP32778897A JP32778897A JP3307301B2 JP 3307301 B2 JP3307301 B2 JP 3307301B2 JP 32778897 A JP32778897 A JP 32778897A JP 32778897 A JP32778897 A JP 32778897A JP 3307301 B2 JP3307301 B2 JP 3307301B2
Authority
JP
Japan
Prior art keywords
heat
insulating plate
heater
deodorizing heater
deodorizing
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
JP32778897A
Other languages
Japanese (ja)
Other versions
JPH11159786A (en
Inventor
輝夫 藤社
昌樹 山向
雅浩 馬場
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 JP32778897A priority Critical patent/JP3307301B2/en
Publication of JPH11159786A publication Critical patent/JPH11159786A/en
Application granted granted Critical
Publication of JP3307301B2 publication Critical patent/JP3307301B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

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】本発明は空気調和機などに用
いられる脱臭ヒータ及び防熱板の形状,構成に関するも
のである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the shape and configuration of a deodorizing heater and a heat shield used in an air conditioner or the like.

【0002】[0002]

【従来の技術】従来の脱臭ヒータが用いられている空気
調和機は、図4のような構成になっている。
2. Description of the Related Art An air conditioner using a conventional deodorizing heater has a configuration as shown in FIG.

【0003】図4は空気調和機の室内ユニットの略図
あり、一定の長さを有する複数のブレードを円柱状に配
列した羽根車単体を回転軸方向に組み合わせてなるクロ
スフローファン1と、これに近接・上方に位置し2枚の
熱交換器をハの字状及び折り曲げて連結して配設する熱
交換器2と、前記2枚の熱交換器の間の中央部暖房時冷
媒入口配管から25mmに位置しクロスフローファンの
上部に位置する脱臭ヒータ3と、前記脱臭ヒータの背部
及び下部に位置する防熱板4とで構成される。
FIG. 4 is a schematic view of an indoor unit of an air conditioner. A cross flow fan 1 is formed by combining a plurality of blades each having a predetermined length in a columnar shape in a rotating shaft direction. A heat exchanger 2 which is located adjacent to and above the heat exchanger, and which is arranged by connecting two heat exchangers in a C-shape and bending, and a refrigerant inlet pipe for heating at a central portion between the two heat exchangers The deodorizing heater 3 is located 25 mm above the cross flow fan and located above the cross flow fan, and the heat insulating plate 4 is located behind and below the deodorizing heater.

【0004】暖房運転時、冷媒は冷媒入り口配管5から
熱交換器内に流入し、熱交換を行った後、冷媒出口配管
6から流出する。
[0004] During the heating operation, the refrigerant flows into the heat exchanger from the refrigerant inlet pipe 5, performs heat exchange, and then flows out from the refrigerant outlet pipe 6.

【0005】従来の空気調和機の構成であると、図4に
おいてA部断面図で見た場合、前記脱臭ヒータ3は前記
熱交換器2における前面熱交換器7と背面熱交換器8の
中央部に配設されている。また、図4においてB部詳細
で見た場合、前記防熱板4と前記脱臭ヒータ3は、前記
防熱板4の先端部が前記脱臭ヒータ3と垂線上に位置し
て配設されている。これにより、前記脱臭ヒータ3の通
電時において低風量の時において発生する高温気流を拡
散し、室内ユニットから発する異常音を低減している。
According to the configuration of the conventional air conditioner, when viewed in a sectional view of a part A in FIG. 4, the deodorizing heater 3 is located at the center of the front heat exchanger 7 and the rear heat exchanger 8 in the heat exchanger 2. It is arranged in the department. 4, when viewed in detail in section B, the heat-insulating plate 4 and the deodorizing heater 3 are disposed such that the tip of the heat-insulating plate 4 is positioned perpendicular to the deodorizing heater 3. Thereby, when the deodorizing heater 3 is energized, the high-temperature airflow generated when the air volume is low is diffused, and the abnormal sound emitted from the indoor unit is reduced.

【0006】また、前記防熱板4の先端形状は、穴部9
が施されており、これにより室内ユニットにおける送風
性能の向上を図っている。
The shape of the end of the heat insulating plate 4 is
Is applied to improve the air blowing performance in the indoor unit.

【0007】また、前記防熱板4に施されたスリット状
の穴部を形成する支柱10により、多湿条件下における
前記防熱板4への結露の防止を図っている。
[0007] Further, the column 10 which forms a slit-shaped hole formed in the heat insulating plate 4 prevents dew condensation on the heat insulating plate 4 under humid conditions.

【0008】[0008]

【発明が解決しようとする課題】上記のような構成を有
する室内ユニットであると、前記脱臭ヒータ3が前面熱
交換器7と背面熱交換器8の中央部暖房時冷媒入口配管
から25mmに配設されているため前記脱臭ヒータ3
と暖房時冷媒入口配管5の距離が近いために、暖房定格
能力3.6kw以上の機種になると、暖房運転時前記脱
臭ヒータ3の通電時においてこの表面温度が上昇しすぎ
ていた。
In the indoor unit having the above configuration, the deodorizing heater 3 is connected to the refrigerant inlet pipe for heating the central portion of the front heat exchanger 7 and the rear heat exchanger 8.
Since it is arranged at 5 to 25 mm, the deodorizing heater 3
And since the distance heating operation refrigerant inlet pipe 5 is close, at a heating rated <br/> capacity 3.6kw above model, the surface temperature at the time of energization of the heating operation the deodorizing heater 3 was too elevated .

【0009】また、前記防熱板4と前記脱臭ヒータ3
は、前記防熱板4の先端部が前記脱臭ヒータ3と垂直直
線上に位置して配設されているが、この位置関係では室
内ユニットからの風量が高風量の時に発生する異常音を
抑制させることができない。
Further, the heat insulating plate 4 and the deodorizing heater 3
Is arranged such that the tip of the heat-insulating plate 4 is positioned on a vertical straight line with the deodorizing heater 3. In this positional relationship, the abnormal sound generated when the air volume from the indoor unit is high is suppressed. Can not do.

【0010】また前記防熱板4の先端形状は、スリット
上の穴部9が施されているが、前記脱臭ヒータ3と前記
防熱板4の先端部が垂直直線上に位置して配設されてい
る場合、前記防熱板4に施されたスリット上の穴の開口
面積が小さいために低風量の時に送風性能の低下を起こ
していた。
The heat-insulating plate 4 has a tip 9 provided with a hole 9 on a slit. However, the deodorizing heater 3 and the tip of the heat-insulating plate 4 are arranged in a vertical straight line. In this case, since the opening area of the hole on the slit formed in the heat insulating plate 4 is small, the blowing performance is reduced when the air volume is low.

【0011】また、前記防熱板4に施されたスリット状
の穴部を形成する支柱10により、多湿条件下における
前記防熱板4への結露の防止を図っているが、前記支柱
幅が小さいために、冷房能力が2.5KW以上の機種に
おいて前記防熱板4への結露を発生させていた。
Further, the strut 10 forming a slit-shaped hole formed in the heat insulating plate 4 prevents dew condensation on the heat insulating plate 4 under humid conditions. However, since the width of the strut is small, In addition, in models having a cooling capacity of 2.5 KW or more, dew condensation on the heat insulating plate 4 is generated.

【0012】本発明は、このような従来の課題を解決す
るものである。
The present invention solves such a conventional problem.

【0013】[0013]

【課題を解決するための手段】上記課題を解決するため
に本発明は、脱臭ヒータの位置関係と防熱板の形状を改
善したものである。
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention improves the positional relationship of a deodorizing heater and the shape of a heat insulating plate.

【0014】[0014]

【発明の実施の形態】上記課題を解決するための本発明
の第1の技術的手段は、前記脱臭ヒータ3の位置を前記
熱交換器2における前面熱交換器7に配設された暖房時
冷媒入口配管5から距離を29mm以上離せて位置付け
する事で、暖房定格能力3.6kw以上の機種において
も、暖房運転時前記脱臭ヒータ3の通電時において表面
温度の過昇を抑制させる。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first technical means of the present invention for solving the above-mentioned problems is that a position of the deodorizing heater 3 is set at a time of heating provided in a front heat exchanger 7 of the heat exchanger 2. By positioning the heater at a distance of 29 mm or more from the refrigerant inlet pipe 5, even in a model having a heating rated capacity of 3.6 kW or more, an excessive rise in the surface temperature is suppressed when the deodorizing heater 3 is energized during the heating operation.

【0015】第2の技術的手段は、前記防熱板4と前記
脱臭ヒータ3の位置関係において、前記防熱板4の先端
部を前記脱臭ヒータ3の垂線上よりも前方に5mm出し
て配設させる。これにより、前記脱臭ヒータ3の通電時
において、前記脱臭ヒータ3の周辺の高温気流の流れと
前記クロスフローファン1の回転から発生する異常音を
低風量域から高風量域まで抑制させる。
The second technical means is that, in the positional relationship between the heat-insulating plate 4 and the deodorizing heater 3, the tip of the heat-insulating plate 4 is disposed 5 mm forward of a line perpendicular to the deodorizing heater 3. . Thereby, when the deodorizing heater 3 is energized, the flow of the high-temperature airflow around the deodorizing heater 3 and the abnormal sound generated from the rotation of the cross flow fan 1 are suppressed from a low air volume region to a high air volume region.

【0016】第3の技術的手段は、前記防熱板4と前記
脱臭ヒータ3の位置関係において、前記防熱板4の先端
部を前記脱臭ヒータ3の垂線上よりも前方に出して配設
し、前記防熱板4に施された穴部9の開口面積をより拡
大させる。
The third technical means is that, in the positional relationship between the heat-insulating plate 4 and the deodorizing heater 3, the tip of the heat-insulating plate 4 is disposed so as to be located forward of a line perpendicular to the heater 3. The opening area of the hole 9 formed in the heat insulating plate 4 is further increased.

【0017】これにより、低風量時における送風性能の
低下を抑制させる。第4の技術的手段は、前記防熱板4
に施された穴部9を形成する支柱10の支柱幅を拡張す
る事で冷房定格能力2.5KW以上の機種において前記
防熱板4への多湿条件下での結露を抑制させる。
[0017] This suppresses a decrease in the air blowing performance when the air volume is low. Fourth technical means is that the heat insulating plate 4
The dew condensation on the heat-insulating plate 4 under humid conditions is suppressed in a model having a cooling capacity of 2.5 kW or more by extending the width of the column 10 forming the hole 9 formed in the above.

【0018】[0018]

【実施例】以下本発明の実施例について図面を参照して
説明する。
Embodiments of the present invention will be described below with reference to the drawings.

【0019】(実施例1) 図1において、一定の長さを有する複数のブレードを円
柱状に配列した羽根車を回転軸方向に組み合わせてなる
クロスフローファン1と、これに近接・上方に位置し2
枚の熱交換器をハの字状折り曲げて連結して配設する
熱交換器2と、前記2枚の熱交換器の間の中央部に位置
しクロスフローファンの上部に位置する脱臭ヒータ3と
で構成される空気調和機の室内ユニットにおいて、A部
断面図で見た場合、前記脱臭ヒータ3の位置を前記熱交
換器2の前面熱交換器7における暖房時冷媒入口配管か
ら29mm以上離して配設させる。これにより、暖房
能力3.6KW以上の機種において、暖房運転時前記
脱臭ヒータ3に通電時の前記脱臭ヒータ3の表面温度を
270度から250度へ低減させる。
(Example 1) In FIG. 1, a cross-flow fan 1 in which a plurality of blades each having a certain length are arranged in a columnar shape is combined with an impeller in a rotation axis direction, and is positioned close to and above the cross-flow fan. Shi 2
Like the heat exchanger and the heat exchanger 2 to dispose linked by bending shaped Ha, deodorizing heater positioned above the position and the cross flow fan to the center portion between the two heat exchangers 3, the position of the deodorizing heater 3 is at least 29 mm from the heating-time refrigerant inlet pipe in the front heat exchanger 7 of the heat exchanger 2, when viewed in a sectional view of the A section. Place them apart. As a result, the heating constant
In a model having a rating capacity of 3.6 KW or more, the surface temperature of the deodorizing heater 3 at the time of energizing the deodorizing heater 3 during the heating operation is reduced from 270 degrees to 250 degrees.

【0020】(実施例2)図1におけるB部詳細図にお
いて、前記防熱板4と前記脱臭ヒータ3の位置関係にお
いて、前記防熱板4の先端部を前記脱臭ヒータ3の垂直
直線上よりも前方に5mm出して配設させる。これによ
り、前記脱臭ヒータ3の通電時において、前記脱臭ヒー
タ3の周辺の高温気流の流れと前記クロスフローファン
1の回転から発生する異常音を低風量域4.5(m3
min)から高風量域10.9(m 3 /min)まで抑
制させる(図2参照)。
(Embodiment 2) FIG.
And the positional relationship between the heat insulating plate 4 and the deodorizing heater 3
And the tip of the heat insulating plate 4 is perpendicular to the heater 3 for deodorization.
Dispose 5 mm ahead of the straight line. This
When the deodorizing heater 3 is energized, the deodorizing heat
Of the high-temperature airflow around the fan 3 and the cross-flow fan
The abnormal sound generated from the rotation of 1 in the low air volume range 4.5 (mThree/
min) to high air volume range 10.9 (m Three/ Min)
(See FIG. 2).

【0021】(実施例3) 図1におけるB部詳細図において、前記防熱板4と前記
脱臭ヒータ3の位置関係において、前記防熱板4の先端
部を前記脱臭ヒータ3の垂線上よりも前方に5mm出し
て配設させる。これにより前記防熱板4の先端に施され
た穴部9の開口面積を総計18.25(cm2 )拡大さ
せることができる。この結果、低風量時(7.0m3 /
min)以下での送風性能の低下を抑制させることがで
きる(図3参照)。
[0021] In Part B detailed view in (Embodiment 3) FIG. 1, in the positional relationship between the deodorizing heater 3 and the heat insulating plate 4, a front end portion of the heat insulating board 4 to the front than the normal of the deodorizing heater 3 Put out 5 mm and arrange. As a result, the opening area of the hole 9 formed at the end of the heat insulating plate 4 can be increased by a total of 18.25 (cm @ 2). As a result, when the air volume is low (7.0 m3 /
min) or less can be suppressed (see FIG. 3).

【0022】(実施例4) 図1におけるB部詳細図において、前記防熱板4に施さ
れた穴部9を形成する支柱10の支柱幅を15mmにす
る。これにより、冷房定格能力2.5kw以上の機種に
おける前記防熱板4への多湿条件下での結露を抑制させ
ることができる。
Embodiment 4 In the detailed view of the portion B in FIG. 1, the width of a column 10 forming a hole 9 formed in the heat insulating plate 4 is set to 15 mm. Thereby, the condensation on the heat insulating plate 4 under the humid condition can be suppressed in the models having the cooling capacity of 2.5 kW or more.

【0023】[0023]

【発明の効果】上記実施例から明らかなように、請求項
1記載の発明によれば、前記脱臭ヒータ3の位置を前記
熱交換器2における前面熱交換器7に暖房時冷媒入り口
配管5から距離を29mm以上離すことにより、暖房運
転時前記脱臭ヒータ3通電時の表面温度上昇を抑制し、
前記脱臭ヒータ3周辺の温度安全性を確保すると共に、
前記脱臭ヒータ3に関する温度保護制御回路の動作回数
を低減させ、信頼性が高まることとなる。
As is apparent from the above embodiment, according to the first aspect of the present invention, the position of the deodorizing heater 3 is changed to the front heat exchanger 7 in the heat exchanger 2 from the refrigerant inlet pipe 5 for heating. By increasing the distance by 29 mm or more, it is possible to suppress a rise in the surface temperature when the deodorizing heater 3 is energized during the heating operation,
While ensuring temperature safety around the deodorizing heater 3,
The number of times of operation of the temperature protection control circuit for the deodorizing heater 3 is reduced, and the reliability is improved.

【0024】また、請求項2記載の発明によれば、前記
防熱板4と前記脱臭ヒータ3の位置関係において、前記
防熱板4の先端部を前記脱臭ヒータ3の垂線上よりも前
方に5mm出して配設させる。これにより、前記脱臭ヒ
ータ3の通電時において、前記脱臭ヒータ3の周辺の高
温気流の流れと前記クロスフローファン1の回転から発
生する異常音を実使用全風量域で低減することができる
効果がある。
According to the second aspect of the present invention, in the positional relationship between the heat-insulating plate 4 and the deodorizing heater 3, the front end of the heat-insulating plate 4 is protruded 5 mm ahead of a vertical line of the deodorizing heater 3. And arrange them. Thereby, when the deodorizing heater 3 is energized, the flow of the high-temperature airflow around the deodorizing heater 3 and the abnormal sound generated from the rotation of the cross-flow fan 1 can be reduced in the actual use whole air volume range. is there.

【0025】また、請求項3記載の発明によれば、前記
防熱板4と前記脱臭ヒータ3の位置関係において、前記
防熱板4の先端部を前記脱臭ヒータ3の垂線上よりも前
方に出して配設させ、前記防熱板4の先端に施された穴
部9の開口面積を拡大する事で、低風量域での送風性能
の著しい低下を抑制させる効果がある。
According to the third aspect of the present invention, in the positional relationship between the heat-insulating plate 4 and the deodorizing heater 3, the tip of the heat-insulating plate 4 is projected forward of a line perpendicular to the deodorizing heater 3. By arranging and enlarging the opening area of the hole 9 provided at the tip of the heat insulating plate 4, there is an effect of suppressing a remarkable decrease in the blowing performance in a low air volume region.

【0026】[0026]

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

【図1】(a)本発明の第1〜第4の実施例の斜視図 (b)同側面図 (c)同要部斜視図 (d)同要部側面図FIG. 1A is a perspective view of a first to a fourth embodiment of the present invention. FIG. 1B is a side view of the same. FIG. 1C is a perspective view of the same.

【図2】室内ユニットの風量とヒータ通電時,無通電時
での音圧レベル差との関係を示すグラフ
FIG. 2 is a graph showing the relationship between the air volume of an indoor unit and the sound pressure level difference between when a heater is energized and when no heater is energized.

【図3】回転数(クロスフローファン)と室内風量との
関係を示すグラフ
FIG. 3 is a graph showing the relationship between the number of revolutions (cross flow fan) and the amount of indoor air.

【図4】(a)従来の実施例の斜視図 (b)同要部側面図 (c)同要部斜視図 (d)同要部側面図FIG. 4A is a perspective view of a conventional example. FIG. 4B is a side view of the main part. FIG. 4C is a perspective view of the main part.

【符号の説明】[Explanation of symbols]

1 クロスフローファン 2 熱交換器 3 脱臭ヒータ 4 防熱板 5 入り口配管(暖房時) 6 出口配管(暖房時) 7 前面熱交換器 8 背面熱交換器 9 防熱板における穴部(開口部) 10 防熱板における支柱 DESCRIPTION OF SYMBOLS 1 Cross flow fan 2 Heat exchanger 3 Deodorizing heater 4 Heat insulation plate 5 Inlet piping (at the time of heating) 6 Outlet piping (at the time of heating) 7 Front heat exchanger 8 Rear heat exchanger 9 Hole (opening) in heat insulation plate 10 Heat insulation Prop on board

フロントページの続き (56)参考文献 特開 平9−79602(JP,A) 特開 平6−288568(JP,A) 特開 平6−137583(JP,A) 実開 昭62−93614(JP,U) (58)調査した分野(Int.Cl.7,DB名) F24F 1/00 Continuation of the front page (56) References JP-A-9-79602 (JP, A) JP-A-6-288568 (JP, A) JP-A-6-137583 (JP, A) Jpn. , U) (58) Field surveyed (Int. Cl. 7 , DB name) F24F 1/00

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】一定の長さを有する複数のブレードを円柱
状に配列した羽根車単体を回転軸方向に組み合わせてな
るクロスフローファンと、これに近接・上方に位置し2
枚の熱交換器をハの字状及び折り曲げて連結して配設す
る熱交換器と、前記2枚の熱交換器の間の中央部に位置
しクロスフローファンの上部に位置する脱臭ヒータと、
前記脱臭ヒータの背部及び下部に位置する防熱板とで構
成される空気調和機において、前記脱臭ヒータの位置を
前記熱交換器における暖房時冷媒入り口管から離して配
設させたことを特徴とする空気調和機。
1. A cross flow fan comprising a plurality of blades each having a predetermined length arranged in a columnar shape and having a plurality of blades arranged in a columnar shape, and a cross flow fan which is located near and above the impeller.
A heat exchanger in which the two heat exchangers are arranged in a U-shape and bent and connected, and a deodorization heater located in the center between the two heat exchangers and located above the cross flow fan. ,
In an air conditioner comprising a back plate and a heat insulating plate located at a lower portion of the deodorization heater, the position of the deodorization heater is disposed apart from a refrigerant inlet pipe for heating in the heat exchanger. Air conditioner.
【請求項2】脱臭ヒータと、その脱臭ヒータの背部及び
下部に位置する防熱板において、前記脱臭ヒータの下部
に位置する防熱板の長さを前記脱臭ヒータの垂直直線上
よりも前方に延長することを特徴とする請求項1記載の
空気調和機。
2. A deodorizing heater and a heat insulating plate located at a back portion and a lower portion of the deodorizing heater, wherein a length of the heat insulating plate located at a lower portion of the deodorizing heater is extended forward of a vertical straight line of the deodorizing heater. The air conditioner according to claim 1, wherein:
【請求項3】脱臭ヒータと、その脱臭ヒータの背部及び
下部に位置する防熱板において、前記脱臭ヒータの下部
に位置する防熱板の長さを延長し、前記防熱板に施され
たスリット状の開口面積を拡大することを特徴とする請
求項1記載の空気調和機。
3. A deodorizing heater and a heat-insulating plate located at the back and under the deodorizing heater, wherein the length of the heat-insulating plate located below the deodorizing heater is extended, and a slit-shaped heat-insulating plate is provided on the heat-insulating plate. The air conditioner according to claim 1, wherein an opening area is enlarged .
JP32778897A 1997-11-28 1997-11-28 Air conditioner Expired - Fee Related JP3307301B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32778897A JP3307301B2 (en) 1997-11-28 1997-11-28 Air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32778897A JP3307301B2 (en) 1997-11-28 1997-11-28 Air conditioner

Publications (2)

Publication Number Publication Date
JPH11159786A JPH11159786A (en) 1999-06-15
JP3307301B2 true JP3307301B2 (en) 2002-07-24

Family

ID=18202999

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32778897A Expired - Fee Related JP3307301B2 (en) 1997-11-28 1997-11-28 Air conditioner

Country Status (1)

Country Link
JP (1) JP3307301B2 (en)

Also Published As

Publication number Publication date
JPH11159786A (en) 1999-06-15

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