JPH0419395Y2 - - Google Patents
Info
- Publication number
- JPH0419395Y2 JPH0419395Y2 JP1986185795U JP18579586U JPH0419395Y2 JP H0419395 Y2 JPH0419395 Y2 JP H0419395Y2 JP 1986185795 U JP1986185795 U JP 1986185795U JP 18579586 U JP18579586 U JP 18579586U JP H0419395 Y2 JPH0419395 Y2 JP H0419395Y2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- air
- air volume
- air outlet
- closing damper
- 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
Links
- 238000007664 blowing Methods 0.000 claims description 6
- 230000001143 conditioned effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000008602 contraction Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Air-Flow Control Members (AREA)
Description
【考案の詳細な説明】
(産業上の利用分野)
本考案は天井吊形空気調和機の改良に係り、特
に、低風量運転時に均一な室内温度分布を得るよ
うにしたものに関する。[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to an improvement of a ceiling-suspended air conditioner, and particularly to one that achieves a uniform indoor temperature distribution during low air volume operation.
(従来の技術)
従来、この種の天井吊形空気調和機は第6図お
よび第7図に示すように、天井に吊下げる室内機
本体1の前面と下面とにそれぞれ前面吹出口4と
下面吹出口5とを開口しているものが知られてお
り、第6図に示すものは、下面吹出口5に配設す
る開閉ダンパ29を開いて下面吹出口5からも温
風の一部を下方へ吹出すようにし、前面吹出口4
からの前方吹出と相俟つて室内の均一な温度分布
を計ろうとするものである(実公昭58−39323号
公報参照)。(Prior Art) Conventionally, as shown in FIGS. 6 and 7, this type of ceiling-suspended air conditioner has a front air outlet 4 and a bottom surface, respectively, on the front and bottom surfaces of the indoor unit main body 1 suspended from the ceiling. Some devices are known in which the blower outlet 5 is opened, and the one shown in FIG. Make sure to blow the air downward, and open the front air outlet 4.
The aim is to measure the uniform temperature distribution in the room by using the forward air blowing from the inside (see Japanese Utility Model Publication No. 58-39323).
また、第7図に示すものは、1枚の平板の中央
を支持するダンパ29′の角度を上下に変化して、
前面吹出と下面吹出とを切換えて均一な室内温度
分布を得るようにしている。 In addition, in the one shown in FIG. 7, the angle of the damper 29' that supports the center of one flat plate is changed up and down,
The front air outlet and the lower air outlet are switched to obtain a uniform indoor temperature distribution.
(考案が解決しようとする問題点)
しかしながら、前記第6図および第7図図示の
従来装置は高風量時においては、或程度風速が確
保され室の温度分布が良好であるが、実際には騒
音の関係で高風量で運転されることは少なく、騒
音の少ない中風量または低風量で使用されること
が多く、第6図図示のものは開閉ダンパ29を開
いたとき吹出口の面積が増加し、また、第7図図
示のものは吹出口の面積が風量に関係なく一定で
あるので、特に低風量時は風速が十分でなく、風
速低下により室の温度分布が良好とならない問題
がある。(Problems to be solved by the invention) However, although the conventional device shown in FIGS. 6 and 7 can secure a certain degree of air velocity and provide a good temperature distribution in the room when the air volume is high, in reality, Due to noise concerns, it is rarely operated at a high air volume, and is often used at a medium or low air volume with less noise, and in the case of the one shown in Fig. 6, the area of the air outlet increases when the opening/closing damper 29 is opened. In addition, in the case shown in Figure 7, the area of the outlet is constant regardless of the air volume, so there is a problem that the air speed is not sufficient, especially when the air volume is low, and the temperature distribution in the room is not good due to the decrease in wind speed. .
(問題点を解決するための手段)
そこで本考案は、前記問題点を解決するための
手段として、第1図ないし第5図に例示する如
く、天井吊形空気調和機の風量可変のフアンを有
する室内機本体1の前面および下面前方に調和空
気を吹出す前面吹出口4および下面吹出口5をそ
れぞれ設け、該前面吹出口4および下面吹出口5
の上流側に開閉ダンパ9を配設し、風量の高低に
連動して吹出風速がほぼ一定となる如く、前記開
閉ダンパ9を構成する2枚の羽根10,10のな
す角度を縮小または拡大せしめるものである。(Means for Solving the Problems) Therefore, as a means for solving the above problems, the present invention provides a variable air volume fan for a ceiling-suspended air conditioner, as illustrated in FIGS. 1 to 5. A front air outlet 4 and a lower air outlet 5 for blowing out conditioned air are provided respectively on the front and lower front of the indoor unit main body 1 having a
An opening/closing damper 9 is disposed on the upstream side of the opening/closing damper 9, and the angle formed by the two blades 10, 10 constituting the opening/closing damper 9 is reduced or expanded so that the blowing wind speed remains approximately constant in conjunction with the level of the air volume. It is something.
(作用)
本考案は前記手段により、風量切換により高風
量としたときは開閉ダンパ9を構成する2枚の羽
根10,10のなす角度を縮小して吹出口の開口
面積を大とし、低風量としたときは前記角度を拡
大して吹出口の開口面積を小とし、吹出風量をほ
ぼ一定とすることにより、低風量時の風速を高風
量時の風速とほぼ同一とし、低風量時に高風量時
とほぼ同一の均一な室の温度分布を得るものであ
る。(Function) The present invention uses the above-mentioned means to reduce the angle formed by the two blades 10, 10 constituting the opening/closing damper 9 to increase the opening area of the outlet when the air volume is changed to a high air volume. In this case, by enlarging the angle mentioned above to make the opening area of the outlet small and keeping the air volume almost constant, the wind speed at low air volume is almost the same as the wind speed at high air volume. This is to obtain a uniform temperature distribution in the room, which is almost the same as the time.
(実施例)
以下第1図ないし第2図を参照して本考案の好適
な第1実施例としての天井吊形空気調和機につい
て詳細に説明する。(Embodiment) A ceiling-suspended air conditioner as a preferred first embodiment of the present invention will be described in detail below with reference to FIGS. 1 and 2.
符号1は室の天井の隅に後面を臨ませて吊下げ
られる室内機本体であつて、室内機本体1内には
回転数を可変として風量を可変とするシロツコフ
アン2および室内熱交換器3をそれぞれ内蔵し、
図示しないが圧縮機を備えた室外機と冷媒配管で
接続する。 Reference numeral 1 denotes an indoor unit that is hung with its rear side facing a corner of the ceiling of the room. Inside the indoor unit 1, there is a Sirotskov fan 2 whose rotation speed is variable and air volume is variable, and an indoor heat exchanger 3. Each has a built-in
Although not shown, it is connected to an outdoor unit equipped with a compressor via refrigerant piping.
しかして、室内機本体1の前面には前面吹出口
4が、また、下面前方には下面吹出口5が室内熱
交換器3の下流側に隔壁6を挟んで互にそれぞれ
の開口面積をほぼ等しくして穿設されている。7
および8は前面吹出口4および下面吹出口5にそ
れぞれ設け、複数(図では3枚)の羽根を組合せ
て形成した前面グリルおよび下面グリルであり、
それぞれ温風を室内機本体1の前面および下縁へ
整流して吹出すものである。 Thus, a front air outlet 4 is provided on the front side of the indoor unit main body 1, and a lower air outlet 5 is provided on the downstream side of the indoor heat exchanger 3 on the downstream side of the indoor heat exchanger 3 with a partition wall 6 in between. They are equally drilled. 7
and 8 are a front grill and a lower grill provided at the front air outlet 4 and the lower air outlet 5, respectively, and formed by combining a plurality of blades (three in the figure);
The hot air is rectified and blown out to the front and lower edges of the indoor unit main body 1, respectively.
符号9は本考案の特徴をなす開閉ダンパであ
り、開閉ダンパ9は前記前面吹出口4および下面
吹出口5にほぼ等しい広がりを有し、前記両吹出
口4および下面吹出口5の上流側で、かつ室内熱
交換器3の下流側に配設する。 Reference numeral 9 denotes an opening/closing damper which is a feature of the present invention. , and arranged downstream of the indoor heat exchanger 3.
開閉ダンパ9は第2図に図示する如く、2枚の
平板状の羽根10,10の一端を蝶番11,11
に形成して羽根10を軸12の回りに回動する。
なお、軸12は適宜に室内機本体1に支持する。
そして、羽根10の長手方向の一端間に収縮する
バネ13を張設し、他端間に楕円形のカム14を
配設し、該カム14を電動または手動で迴転し、
楕円形のカム14の長軸が蝶番11の方向と一致
したときはバネ13の収縮力で2枚の羽根10,
10の開度を最小とし、また短軸が一致したとき
はバネ13の収縮力に打勝つて羽根10,10を
外方に押開き開度を最大とするものである。 As shown in FIG.
The blades 10 are rotated around the shaft 12 by forming the blades 10 to 12.
Note that the shaft 12 is supported by the indoor unit main body 1 as appropriate.
A compressible spring 13 is stretched between one end of the blade 10 in the longitudinal direction, an oval cam 14 is arranged between the other end, and the cam 14 is moved electrically or manually.
When the long axis of the oval cam 14 coincides with the direction of the hinge 11, the contracting force of the spring 13 causes the two blades 10,
When the short axes coincide, the contraction force of the spring 13 is overcome and the blades 10 are pushed outward to maximize the opening.
しかして、15はシロツコフアン2と楕円形の
カム14との制御装置であり、シロツコフアン2
の回転数を例えば最大、中間および最小の3段階
に切換えるとともに、楕円形のカム14の回転を
シロツコフアン2の回転数の切換と連動して、シ
ロツコフアン2の回転数の切換えに伴なう風量の
最高(H)、中間(M)および最低(L)のとき
羽根10,10の開度をそれぞれ最小、中間およ
び最大とするように反比例に連動させるものであ
る。 15 is a control device for the Sirotskov fan 2 and the oval cam 14;
At the same time, the rotation speed of the elliptical cam 14 is linked with the change in the rotation speed of the Sirotskov fan 2 to change the air volume due to the change in the rotation speed of the Sirotskov fan 2. At the maximum (H), intermediate (M) and minimum (L), the opening degrees of the blades 10, 10 are inversely linked so as to be the minimum, intermediate and maximum, respectively.
かくの如く構成した天井吊形空気調和機の室内
機を部屋の天井の隅に後面を臨ませて吊下げ、室
外機を冷媒配管で接続し、室外機の圧縮機より吐
出する冷媒を室内熱交換器3に導いてシロツコフ
アン2より吹出す室内空気と熱交換し室内を暖房
する。 The indoor unit of the ceiling-suspended air conditioner configured as above is hung with its rear side facing the corner of the ceiling of the room, and the outdoor unit is connected with refrigerant piping, and the refrigerant discharged from the compressor of the outdoor unit is used to generate indoor heat. It is guided to an exchanger 3 and exchanges heat with the indoor air blown out from the Sirotskov fan 2 to heat the room.
暖房初期には制御装置15でシロツコフアン2
の回転数を最大にし高風量(H)とする一方、こ
れに連動して第2図の実線で示す如く楕円形のカ
ム14の長軸を蝶番11方向と一致させて、開閉
ダンパ9の2枚の羽根10,10の開度を最小と
すると、吹出口の開口面積は高風量に見合つて広
く、風速が十分確保され(第1図実線矢示)、温
風は前面吹出口4および下面吹出口5より室の隅
まで到達し、温度分布が良好となり暖房立上りが
良好となる。 At the beginning of heating, the control device 15 turns on the Sirotskov fan 2.
The rotational speed of the opening/closing damper 9 is maximized to obtain a high air volume (H), and in conjunction with this, the long axis of the oval cam 14 is aligned with the direction of the hinge 11 as shown by the solid line in FIG. When the opening degree of the blades 10, 10 is minimized, the opening area of the air outlet is wide commensurate with the high air volume, sufficient wind speed is ensured (solid line arrow in Figure 1), and hot air is distributed through the front air outlet 4 and the bottom surface. The air reaches the corners of the room from the air outlet 5, resulting in good temperature distribution and a good heating start-up.
室の温度が上昇すると、騒音の関係で低風量で
使用するが、このときは制御装置15によりシロ
ツコフアン2の回転数最小に連動して、第2図点
線で示す如く楕円形のカム14をその短軸が蝶番
11方向と一致させ、2枚の羽根10,10をバ
ネ13の収縮力に抗してその開度を最大に拡大す
る。すると前面吹出口4および下面吹出口5の開
口面積は開閉ダンパ9の開度の拡大によつて、風
量の低下に比例して挟められ、高風量のときの風
速とほぼ等しい吹出風速となり(第1図点線矢
示)、室の温度分布が高風量時と同様に良好とな
るものである。 When the temperature of the room rises, a low air volume is used due to noise concerns. At this time, the control device 15 controls the rotational speed of the Sirotskov fan 2 to the minimum, so that the oval cam 14 is operated as shown by the dotted line in Figure 2. The short axis is made to coincide with the direction of the hinge 11, and the opening degree of the two blades 10, 10 is expanded to the maximum by resisting the contraction force of the spring 13. Then, the opening areas of the front air outlet 4 and the lower air outlet 5 are sandwiched in proportion to the decrease in air volume due to the expansion of the opening degree of the opening/closing damper 9, and the air outlet speed becomes approximately equal to the wind speed when the air volume is high (the 1), the temperature distribution in the room is as good as when the air volume is high.
次に、第3図および第4図に示す開閉ダンパ
9′を有する第2実施例について説明する。なお、
この実施例は開閉ダンパ9′以外は前記した第1
実施とほぼ同一のため詳細は省略する。 Next, a second embodiment having an opening/closing damper 9' shown in FIGS. 3 and 4 will be described. In addition,
In this embodiment, the parts other than the opening/closing damper 9' are the same as those described above.
The details are omitted as it is almost the same as the implementation.
この実施例の開閉ダンパ9′の2枚の羽根1
0′,10′は曲板状であり、その一端を第1実施
例と同じく蝶番11により軸12の周りに回動す
る。軸12の両端はレバ16,16により固定
し、レバ16の先端のA−A軸で室内機本体1の
両側面に支持する。 Two blades 1 of the opening/closing damper 9' of this embodiment
0' and 10' are curved plates, and one end thereof is rotated around a shaft 12 by a hinge 11 as in the first embodiment. Both ends of the shaft 12 are fixed by levers 16, 16, and supported on both sides of the indoor unit main body 1 by an A-A shaft at the tip of the lever 16.
一方、レバ16の先端と反対側には膨出部17
を形成し、該膨出部17にモータ18を固定し、
その軸に楕円形のカム14′を取付ける。該カム
14′は第4図に図示する如く、その内周に外形
と相似形の楕円形状の溝19を穿設し、羽根1
0′の反軸側の先端にロツド20の一端を回動自
在に取付け、ロツド20の他端を溝19に係合し
ながら移動するものである。 On the other hand, a bulge 17 is provided on the opposite side of the lever 16.
is formed, and the motor 18 is fixed to the bulge 17,
An oval cam 14' is attached to the shaft. As shown in FIG. 4, the cam 14' has an elliptical groove 19 formed on its inner periphery with a shape similar to the outer shape, and the blade 1
One end of the rod 20 is rotatably attached to the tip on the opposite shaft side of the rod 0', and the other end of the rod 20 is moved while being engaged with the groove 19.
かくの如く構成した第2実施例は、シロツコフ
アン2の回転数に連動してモータ18により高風
量のときはカム14′の短軸を軸12′方向と一致
させてロツド20で羽根10′を内方に引込み開
閉ダンパ9′の開度を最小とし、低風量のときは
カム14′の長軸を軸12方向と一致させてロツ
ド20で羽根10′を外方に押開き開閉ダンパ
9′の開度を最大とするものである。 In the second embodiment constructed as described above, when the air volume is high, the short axis of the cam 14' is aligned with the direction of the shaft 12' by the motor 18 in conjunction with the rotation speed of the Sirotskov fan 2, and the blade 10' is moved by the rod 20. Minimize the opening degree of the opening/closing damper 9' that pulls inward, and when the air volume is low, align the long axis of the cam 14' with the direction of the shaft 12, and push the blade 10' outward with the rod 20 to open the opening/closing damper 9'. The opening degree is maximized.
更に、第5図に示す開閉ダンパ9″を有する第
3実施例について説明する。この実施例について
も開閉ダンパ9″以外の詳細は省略する。 Furthermore, a third embodiment having an opening/closing damper 9'' shown in FIG. 5 will be described.Details of this embodiment as well other than the opening/closing damper 9'' will be omitted.
この実施例においても2枚の羽根10′,1
0′は曲板状であり、その一端を蝶番11により
軸12の周りに回動することは第2実施例と同一
である。 In this embodiment as well, two blades 10', 1
0' is in the shape of a curved plate, and one end thereof is rotated around a shaft 12 by a hinge 11, which is the same as in the second embodiment.
2枚の羽根10′,10′の反蝶番側間に収縮す
るバネ13を張設し、蝶番11とバネ13との中
間に形状記憶合金バネ21を張設し、形状記憶合
金バネ21の両端に低風量時に電力を引加して加
熱する如くし、高風量時はバネ13の収縮力が形
状記憶合金バネ21の伸張力より大として開閉ダ
ンパ9″の開度を最小とし、低風量時は形状記憶
合金バネ21の加熱によりその伸張力がバネ13
の収縮力より大として開閉ダンパ9″の開度を最
大となる如くするものである。 A compressible spring 13 is stretched between the opposite side of the hinge of the two blades 10', 10', a shape memory alloy spring 21 is stretched between the hinge 11 and the spring 13, and both ends of the shape memory alloy spring 21 are stretched. When the air volume is low, electric power is applied to heat it, and when the air volume is high, the contraction force of the spring 13 is greater than the expansion force of the shape memory alloy spring 21, so that the opening degree of the opening/closing damper 9'' is minimized, and when the air volume is low, the opening degree of the opening/closing damper 9'' is minimized. When the shape memory alloy spring 21 is heated, its stretching force is increased by the spring 13.
The opening degree of the opening/closing damper 9'' is maximized by setting the contraction force to be larger than the contraction force of .
以上の第2実施例および第3実施例の作用は第
1実施例と同様の作用をなすものである。なお、
前記各実施例においてはフアンとしてシロツコフ
アン2を使用したが、他の形式のフアンであつて
も良いものである。 The operations of the second and third embodiments described above are similar to those of the first embodiment. In addition,
In each of the embodiments described above, the Sirotskov fan 2 was used as the fan, but other types of fans may also be used.
また、前記実施例では特に効果のあがる暖房時
について説明したが、冷房時でも暖房時に近い効
果を奏することができるものである。 Furthermore, in the above embodiments, the explanation has been given of the case where the effect is particularly high during heating, but the effect similar to that during heating can be achieved even during cooling.
(考案の効果)
本考案は叙上の如く構成するものであるので、
下記の如き顕著な効果を奏するものである。(Effect of the invention) Since the invention is constructed as described above,
It has the following remarkable effects.
すなわち、高風量時には開閉ダンパ9を構成す
る2枚の羽根10,10のなす角度を拡大して吹
出口の開口面積を風量に見合つて十分とり、例え
ば暖房初期に室を早く温度分布を均一とし、ま
た、通常時には騒音の関係上低風量運転とする
が、該低風量時には羽根のなす角度を高風量時よ
り拡げ吹出口の開口面積を減少させて吹出風速を
高風量時とほぼ一定になる如くするので、十分な
吹出風速が確保され室の温度分布が高風量時とほ
ぼ等しい均一化が図られるものである。 That is, when the air volume is high, the angle formed by the two blades 10, 10 that make up the opening/closing damper 9 is enlarged to ensure that the opening area of the outlet is sufficient to match the air volume, and for example, in the early stage of heating the room, the temperature distribution can be quickly uniformized. Also, during normal operation, low air volume is operated due to noise concerns, but when the air volume is low, the angle formed by the blades is made wider than when the air volume is high, and the opening area of the outlet is reduced, so that the blowing air speed remains almost the same as when the air volume is high. As a result, a sufficient blowing air velocity is ensured, and the temperature distribution in the room is made uniform to be almost the same as when the air volume is high.
第1図は本考案の好適な実施例である天井吊形
空気調和機の第1実施例の室内機の縦断面図、第
2図は第1図の開閉ダンパ部分の拡大説明図、第
3図は第2実施例の開閉ダンパ部分の拡大斜視
図、第4図は第3図の説明図、第5図は第3実施
例の開閉ダンパ部分の説明図、第6図及び第7図
は従来の天井吊形空気調和機の室内機の縦断面図
である。
1……室内機本体、4……前面吹出口、5……
下面吹出口、9,9′,9″……開閉ダンパ、1
0,10′……羽根、13……バネ、14,1
4′……カム、21……形状記憶合金バネ。
Fig. 1 is a longitudinal sectional view of an indoor unit of a first embodiment of a ceiling-suspended air conditioner which is a preferred embodiment of the present invention, Fig. 2 is an enlarged explanatory view of the opening/closing damper portion of Fig. 1, and Fig. The figure is an enlarged perspective view of the opening/closing damper part of the second embodiment, FIG. 4 is an explanatory diagram of FIG. 3, FIG. 5 is an explanatory diagram of the opening/closing damper part of the third embodiment, and FIGS. 6 and 7 are FIG. 2 is a vertical cross-sectional view of an indoor unit of a conventional ceiling-suspended air conditioner. 1...Indoor unit main body, 4...Front air outlet, 5...
Bottom air outlet, 9, 9', 9''...Opening/closing damper, 1
0,10'...Blade, 13...Spring, 14,1
4'...Cam, 21...Shape memory alloy spring.
Claims (1)
および下面前方に調和空気を吹出す前面吹出口4
および下面吹出口5をそれぞれ設け、該前面吹出
口4および下面吹出口5の上流側に開閉ダンパ9
を配設し、風量の高低に連動して吹出風速がほぼ
一定となる如く、前記開閉ダンパ9を構成する2
枚の羽根10,10のなす角度を縮小または拡大
せしめることを特徴とする天井吊形空気調和機。 Front air outlet 4 that blows out conditioned air to the front and lower front of the indoor unit main body 1 that has a fan with variable air volume.
and a bottom air outlet 5 are provided, and an opening/closing damper 9 is provided on the upstream side of the front air outlet 4 and the lower air outlet 5.
2, which constitutes the opening/closing damper 9, so that the blowing wind speed becomes almost constant in conjunction with the level of the air volume.
A ceiling suspended air conditioner characterized in that the angle formed by the blades 10, 10 is reduced or enlarged.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986185795U JPH0419395Y2 (en) | 1986-12-01 | 1986-12-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986185795U JPH0419395Y2 (en) | 1986-12-01 | 1986-12-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6389538U JPS6389538U (en) | 1988-06-10 |
JPH0419395Y2 true JPH0419395Y2 (en) | 1992-05-01 |
Family
ID=31134755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986185795U Expired JPH0419395Y2 (en) | 1986-12-01 | 1986-12-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0419395Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4835720B2 (en) * | 2009-04-28 | 2011-12-14 | ダイキン工業株式会社 | Air conditioner |
-
1986
- 1986-12-01 JP JP1986185795U patent/JPH0419395Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6389538U (en) | 1988-06-10 |
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