JPH04344082A - Suspended-type air conditioner - Google Patents
Suspended-type air conditionerInfo
- Publication number
- JPH04344082A JPH04344082A JP11432991A JP11432991A JPH04344082A JP H04344082 A JPH04344082 A JP H04344082A JP 11432991 A JP11432991 A JP 11432991A JP 11432991 A JP11432991 A JP 11432991A JP H04344082 A JPH04344082 A JP H04344082A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- side heat
- solenoid valve
- valve
- suction side
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 14
- 239000003507 refrigerant Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 3
- 238000007791 dehumidification Methods 0.000 description 9
- 238000005057 refrigeration Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、天吊形空気調和機に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-suspended air conditioner.
【０００２】0002
【従来の技術】近年、空気調和機は室内環境の快適性に
おいて大きな役割を担っており、よりきめ細かな制御を
すべく努力が重ねられている（例えば特開昭６２−１４
７２５４号公報）。[Prior Art] In recent years, air conditioners have played a major role in the comfort of indoor environments, and efforts have been made to achieve more detailed control (for example, in Japanese Patent Laid-Open No. 62-14
Publication No. 7254).
【０００３】以下、図面を参照しながら従来の天吊形空
気調和機について説明を行なう。図３は従来の天吊形空
気調和機の縦断面図を示すものである。図３において、
１は天吊形空気調和機の本体、２は本体１における室内
空気の吸込口、３は吸込口２の内側に設けられたフィル
ターである。４は本体１内に設けられた送風機で、５は
送風機４の下流側で本体１内に設けられた室内熱交換器
である。６は室内熱交換器５の下に設けられ冷房時の凝
縮水を排出するためのドレンパンで、７は本体１におけ
る熱交換された空気の吹出し口である。[0003] Hereinafter, a conventional ceiling-mounted air conditioner will be explained with reference to the drawings. FIG. 3 shows a longitudinal sectional view of a conventional ceiling-mounted air conditioner. In Figure 3,
Reference numeral 1 denotes a main body of the ceiling-mounted air conditioner, 2 a suction port for indoor air in the main body 1, and 3 a filter provided inside the suction port 2. Reference numeral 4 denotes an air blower provided within the main body 1, and 5 indicates an indoor heat exchanger provided within the main body 1 on the downstream side of the air blower 4. Reference numeral 6 is a drain pan provided under the indoor heat exchanger 5 for discharging condensed water during cooling, and 7 is an outlet for the heat-exchanged air in the main body 1.
【０００４】図４は従来の天吊形空気調和機の冷凍サイ
クル図である。圧縮機８と室外熱交換器９と膨張弁１０
と室内熱交換器５によって一つの閉回路が構成され、四
方弁１１によって冷房運転と暖房運転の流れ方向の切り
換えが行なわれる。１２は暖房絞り用のキャピラリチュ
ーブで、１３は冷房運転時にキャピラリチューブ１２を
バイパスする逆止弁である。FIG. 4 is a refrigeration cycle diagram of a conventional ceiling-mounted air conditioner. Compressor 8, outdoor heat exchanger 9, and expansion valve 10
and the indoor heat exchanger 5 constitute one closed circuit, and the four-way valve 11 switches the flow direction between cooling operation and heating operation. 12 is a capillary tube for heating throttle, and 13 is a check valve that bypasses the capillary tube 12 during cooling operation.
【０００５】以上のように構成された天吊形空気調和機
について、以下その動作を説明する。The operation of the ceiling-mounted air conditioner constructed as described above will be explained below.
【０００６】送風機４の運転によって吸込口２から吸い
込まれた室内空気は、フィルター３を通って熱交換器５
で熱交換された後、吹出し口７より吹き出される。また
冷凍サイクル内の冷媒は、冷房運転時には圧縮機８、四
方弁１１、室外熱交換器９、逆止弁１３、膨張弁１０、
室内熱交換器５、四方弁１１の順に流れて圧縮機８に返
って来る。また暖房運転時には圧縮機８、四方弁１１、
室内熱交換器５、膨張弁１０、キャピラリチューブ１２
、室外熱交換器９、四方弁１１の順に流れて圧縮機８に
返ってくる。Indoor air sucked in from the suction port 2 by the operation of the blower 4 passes through the filter 3 and passes through the heat exchanger 5.
After exchanging heat, it is blown out from the outlet 7. In addition, during cooling operation, the refrigerant in the refrigeration cycle includes a compressor 8, a four-way valve 11, an outdoor heat exchanger 9, a check valve 13, an expansion valve 10,
It flows through the indoor heat exchanger 5, the four-way valve 11 in that order, and returns to the compressor 8. In addition, during heating operation, the compressor 8, four-way valve 11,
Indoor heat exchanger 5, expansion valve 10, capillary tube 12
, the outdoor heat exchanger 9, and the four-way valve 11, and then returns to the compressor 8.
【０００７】[0007]
【発明が解決しようとする課題】しかしながら従来の構
成においては、冷暖房運転における温度制御は不安定で
あり、きめ細かな制御のために周波数制御式圧縮機を用
いる方法もあるが熱交換器が一つのために制御できる温
度範囲が狭いものであった。また除湿運転においても、
湿度と同時に室内温度まで低下してしまうという欠点を
有するものであった。[Problems to be Solved by the Invention] However, in the conventional configuration, temperature control during heating and cooling operation is unstable, and although there is a method of using a frequency-controlled compressor for fine-grained control, it is difficult to control the temperature by using a single heat exchanger. Therefore, the temperature range that could be controlled was narrow. Also, during dehumidification operation,
This had the disadvantage that the indoor temperature would drop at the same time as the humidity.
【０００８】本発明は従来の課題を解決するもので、冷
暖房運転時における温度幅が広くきめ細かな制御と、室
温低下のない快適な除湿運転ができる天吊形空気調和機
を提供することを目的とする。[0008] The present invention solves the conventional problems, and aims to provide a ceiling-mounted air conditioner that can perform fine control over a wide temperature range during heating and cooling operation, and can perform comfortable dehumidifying operation without lowering the room temperature. shall be.
【０００９】[0009]
【課題を解決するための手段】この目的を達成するため
に本発明の天吊形空気調和機は、本体内における送風機
の風上と風下にそれぞれ吸込側熱交換器と吹出し側熱交
換器とを設けるとともに、吸込側熱交換器用膨張弁の冷
房時の上流側に第１の電磁弁を、吹出し側熱交換器用膨
張弁及び吹出し側熱交換器をバイパスする流路に第２の
電磁弁を、吸込側熱交換器の冷房時の下流側と吹出し側
熱交換器の冷房時の下流側とを連絡する流路に第３の電
磁弁を、第１の電磁弁と吸込側熱交換器用膨張弁との間
と吹出し側熱交換器用膨張弁と吹出し側熱交換器との間
を連絡する流路に第４の電磁弁をそれぞれ設けているの
である。[Means for Solving the Problem] In order to achieve this object, the ceiling-mounted air conditioner of the present invention has a suction side heat exchanger and an outlet side heat exchanger, respectively, upwind and leeward of the blower in the main body. At the same time, a first solenoid valve is provided on the upstream side of the expansion valve for the suction side heat exchanger during cooling, and a second solenoid valve is provided in the flow path that bypasses the expansion valve for the outlet side heat exchanger and the outlet side heat exchanger. , a third solenoid valve is installed in the flow path that connects the downstream side of the suction side heat exchanger during cooling and the downstream side of the outlet side heat exchanger during cooling; A fourth electromagnetic valve is provided in each of the flow paths communicating between the valve and the expansion valve for the blowout side heat exchanger and the blowout side heat exchanger.
【００１０】0010
【作用】この構成によって、冷暖房における通常の運転
時は、第１の電磁弁と第３の電磁弁とを開に第２の電磁
弁と第４の電磁弁とを閉にすることで吸込側熱交換器及
び吹出し側熱交換器の２台の熱交換器を使用し、能力縮
小運転時は、第１の電磁弁を開に第２の電磁弁と第３の
電磁弁と第４の電磁弁とを閉にすることで吸込側熱交換
器のみ１台の熱交換器を使用して、温度幅が広くきめ細
かな制御を行なうことができる。[Function] With this configuration, during normal operation in air conditioning and heating, the first solenoid valve and the third solenoid valve are opened and the second solenoid valve and the fourth solenoid valve are closed. Two heat exchangers, a heat exchanger and a blow-out side heat exchanger, are used, and during capacity reduction operation, the first solenoid valve is opened, the second solenoid valve, the third solenoid valve, and the fourth solenoid valve are closed. By closing the valve, only one heat exchanger is used on the suction side, allowing fine control over a wide temperature range.
【００１１】また、除湿運転時は、第１の電磁弁と第３
の電磁弁とを閉に第２の電磁弁と第４の電磁弁とを開に
することで吸込側熱交換器を蒸発器、吹出し側熱交換器
を再熱器として使用して、室温低下のない快適な除湿運
転を行うことができる。[0011] Also, during dehumidification operation, the first solenoid valve and the third
By closing the solenoid valve and opening the second and fourth solenoid valves, the suction side heat exchanger is used as an evaporator and the outlet side heat exchanger is used as a reheater to lower the room temperature. Comfortable dehumidification operation can be performed without any problems.
【００１２】0012
【実施例】以下本発明の一実施例について、図面を参照
しながら説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【００１３】図１は本発明の一実施例における天吊形空
気調和機の縦断面図を示すものである。なお、従来と同
一構成については、同一符号を付してその詳細な説明を
省略する。FIG. 1 shows a longitudinal sectional view of a ceiling-mounted air conditioner according to an embodiment of the present invention. In addition, the same reference numerals are given to the same configurations as in the prior art, and detailed explanation thereof will be omitted.
【００１４】図１において、５Ａは本体１内における吸
込口２の近傍に設けられた吸込側熱交換器である。５Ｂ
は本体１内における送風機４の風下に設けられた吹出し
側熱交換器吸込側熱交換器である。In FIG. 1, 5A is a suction side heat exchanger provided in the vicinity of the suction port 2 in the main body 1. 5B
is an outlet side heat exchanger and a suction side heat exchanger provided in the lee of the blower 4 in the main body 1.
【００１５】以上のような構成により、送風機４によっ
て吸込口２から本体１内に吸い込まれた空気は、吸い込
み側熱交換器５Ａを通って熱交換され、送風機４を通っ
た後、さらに吹出し側熱交換器５Ｂによって熱交換され
、吹出口７より吹き出される。With the above configuration, the air sucked into the main body 1 from the suction port 2 by the blower 4 is heat exchanged through the suction side heat exchanger 5A, and after passing through the blower 4, it is further transferred to the blower side. The heat is exchanged by the heat exchanger 5B, and the air is blown out from the outlet 7.
【００１６】また図２は本発明の一実施例における天吊
形空気調和機の冷凍サイクル図を示すものである。図２
において、１０Ａは吸込側熱交換器用膨張弁、１０Ｂは
吹出し側熱交換器用膨張弁である。１４は吸込側熱交換
器用膨張弁１０Ａの冷房時の上流側に設けられた第１の
電磁弁、１５は吹出し側熱交換器用膨張弁１０Ｂ及び吹
出し側熱交換器５Ｂをバイパスする流路に設けられた第
２の電磁弁である。FIG. 2 shows a refrigeration cycle diagram of a ceiling-mounted air conditioner according to an embodiment of the present invention. Figure 2
10A is an expansion valve for the suction side heat exchanger, and 10B is an expansion valve for the outlet side heat exchanger. 14 is a first electromagnetic valve provided upstream of the suction side heat exchanger expansion valve 10A during cooling; 15 is a first electromagnetic valve provided in a flow path that bypasses the blowout side heat exchanger expansion valve 10B and the blowout side heat exchanger 5B. This is the second solenoid valve.
【００１７】１６は吸込側熱交換器５Ａの冷房時の下流
側と吹出し側熱交換器５Ｂの冷房時の下流側とを連絡す
る流路に設けられた第３の電磁弁、１７は第１の電磁弁
１４と吸込側熱交換器用膨張弁１０Ａとの間と吹出し側
熱交換器用膨張弁１０Ｂと吹出し側熱交換器５Ｂとの間
を連絡する流路に設けられた第４の電磁弁である。Reference numeral 16 denotes a third solenoid valve provided in a flow path connecting the downstream side of the suction side heat exchanger 5A during cooling and the downstream side of the outlet side heat exchanger 5B during cooling; 17 a first solenoid valve; A fourth solenoid valve provided in a flow path communicating between the solenoid valve 14 and the expansion valve 10A for the suction side heat exchanger and between the expansion valve 10B for the blowout side heat exchanger and the blowout side heat exchanger 5B. be.
【００１８】以上のような構成において、冷房の通常運
転時と能力縮小運転時、暖房の通常運転時と能力縮小運
転時、及び除湿運転時の冷凍サイクルの構成を説明する
。In the above configuration, the configuration of the refrigeration cycle during normal cooling operation and reduced capacity operation, normal heating operation and reduced capacity operation, and dehumidification operation will be explained.
【００１９】冷房の通常運転時は、第１の電磁弁１４と
第３の電磁弁１６は開、第２の電磁弁１５と第４の電磁
弁１７は閉で、吸込側熱交換器用膨張弁１０Ａと吹出し
側熱交換器用膨張弁１０Ｂは能力制御に応じた開度とな
り、吸込側熱交換器５Ａと吹出し側熱交換器５Ｂが並列
に接続される。During normal cooling operation, the first solenoid valve 14 and the third solenoid valve 16 are open, the second solenoid valve 15 and the fourth solenoid valve 17 are closed, and the expansion valve for the suction side heat exchanger is closed. 10A and the expansion valve 10B for the blowout side heat exchanger have opening degrees according to the capacity control, and the suction side heat exchanger 5A and the blowout side heat exchanger 5B are connected in parallel.
【００２０】冷房の能力縮小運転時は、第１の電磁弁１
４は開、第２の電磁弁１５と第３の電磁弁１６と第４の
電磁弁１７は閉で、吹出し側熱交換器用膨張弁１０Ｂも
全閉として吹出し側熱交換器５Ｂは閉鎖され、吸込側熱
交換器用膨張弁１０Ａは能力制御に応じた開度となって
冷媒は吸込側熱交換器５Ａのみに流れる。During the cooling capacity reduction operation, the first solenoid valve 1
4 is open, the second solenoid valve 15, the third solenoid valve 16, and the fourth solenoid valve 17 are closed, and the expansion valve 10B for the blowout side heat exchanger is also fully closed, and the blowout side heat exchanger 5B is closed. The expansion valve 10A for the suction side heat exchanger has an opening degree according to the capacity control, and the refrigerant flows only to the suction side heat exchanger 5A.
【００２１】また、暖房の通常運転時は、第１の電磁弁
１４と第３の電磁弁１６は開、第２の電磁弁１５と第４
の電磁弁１７は閉で、吸込側熱交換器用膨張弁１０Ａと
吹出し側熱交換器用膨張弁１０Ｂは全開となり、吸込側
熱交換器５Ａと吹出し側熱交換器５Ｂが並列に接続され
る。Furthermore, during normal heating operation, the first solenoid valve 14 and the third solenoid valve 16 are open, and the second solenoid valve 15 and the fourth solenoid valve are closed.
The solenoid valve 17 is closed, the expansion valve 10A for the suction side heat exchanger and the expansion valve 10B for the blowout side heat exchanger are fully open, and the suction side heat exchanger 5A and the blowout side heat exchanger 5B are connected in parallel.
【００２２】暖房の能力縮小運転時は、第１の電磁弁１
４は開、第２の電磁弁１５と第３の電磁弁１６と第４の
電磁弁１７は閉で、吹出し側熱交換器用膨張弁１０Ｂも
全閉として吹出し側熱交換器５Ｂは閉鎖され、吸込側熱
交換器用膨張弁１０Ａは全開で冷媒は吸込側熱交換器５
Ａのみに流れる。During heating capacity reduction operation, the first solenoid valve 1
4 is open, the second solenoid valve 15, the third solenoid valve 16, and the fourth solenoid valve 17 are closed, and the expansion valve 10B for the blowout side heat exchanger is also fully closed, and the blowout side heat exchanger 5B is closed. The expansion valve 10A for the suction side heat exchanger is fully open, and the refrigerant flows into the suction side heat exchanger 5.
Flows only to A.
【００２３】さらに除湿運転時は、第１の電磁弁１４と
第３の電磁弁１６は閉、第２の電磁弁１５と第４の電磁
弁１７は開で、吹出し側熱交換器用膨張弁１０Ｂは全閉
、吸込側熱交換器用膨張弁１０Ａは能力制御に応じた開
度で、吹出し側熱交換器５Ｂの冷媒の流れは逆となり、
室外熱交換器９を出た冷媒は、逆止弁１３、電磁弁１５
、吹出し側熱交換器５Ｂ、電磁弁１７、吸込側熱交換器
用膨張弁１０Ａ、吸込側熱交換器５Ａの順に流れる。Further, during dehumidification operation, the first solenoid valve 14 and the third solenoid valve 16 are closed, the second solenoid valve 15 and the fourth solenoid valve 17 are open, and the expansion valve 10B for the outlet side heat exchanger is closed. is fully closed, the expansion valve 10A for the suction side heat exchanger is opened according to the capacity control, and the flow of refrigerant in the blowout side heat exchanger 5B is reversed.
The refrigerant that has exited the outdoor heat exchanger 9 is passed through a check valve 13 and a solenoid valve 15.
, the blowout side heat exchanger 5B, the electromagnetic valve 17, the suction side heat exchanger expansion valve 10A, and the suction side heat exchanger 5A.
【００２４】そして吸込側熱交換器５Ｂが蒸発器として
除湿し、吹出し側熱交換器５Ｂが再熱器として加熱し吹
出し空気温度の低下を防ぐ。The suction side heat exchanger 5B acts as an evaporator to dehumidify the air, and the outlet side heat exchanger 5B acts as a reheater to heat the air to prevent the temperature of the blown air from decreasing.
【００２５】以上のように本実施例では、吸込側熱交換
器５Ａと吹出し側熱交換器５Ｂを、冷暖房運転時には冷
凍サイクルに対して並列に２台あるいは吸込側熱交換器
５Ａ１台のみを接続し、除湿運転時には吸込側熱交換器
５Ａを蒸発器、吹出し側熱交換器５Ｂを再熱器として直
列に接続するように第１の電磁弁１４、第２の電磁弁１
５と第３の電磁弁１６と第１の電磁弁１７と吸込側熱交
換器用膨張弁１０Ａと吹出し側熱交換器用膨張弁１０Ｂ
とを設けているので、冷暖房運転時における温度幅が広
くきめ細かな制御と、室温低下のない除湿運転ができる
。As described above, in this embodiment, two suction side heat exchangers 5A and two outlet side heat exchangers 5B are connected in parallel to the refrigeration cycle during cooling/heating operation, or only one suction side heat exchanger 5A is connected. During dehumidification operation, the first solenoid valve 14 and the second solenoid valve 1 are connected in series so that the suction side heat exchanger 5A serves as an evaporator and the outlet side heat exchanger 5B serves as a reheater.
5, the third solenoid valve 16, the first solenoid valve 17, the suction side heat exchanger expansion valve 10A, and the outlet side heat exchanger expansion valve 10B.
As a result, it is possible to perform fine control over a wide temperature range during heating and cooling operation, and to perform dehumidification operation without lowering the room temperature.
【００２６】[0026]
【発明の効果】以上のように本発明は、本体内における
送風機の風上と風下にそれぞれ吸込側熱交換器と吹出し
側熱交換器とを設けるとともに、吸込側熱交換器用膨張
弁の冷房時の上流側に第１の電磁弁を、吹出し側熱交換
器用膨張弁及び吹出し側熱交換器をバイパスする流路に
第２の電磁弁を、吸込側熱交換器の冷房時の下流側と吹
出し側熱交換器の冷房時の下流側とを連絡する流路に第
３の電磁弁を、第１の電磁弁と吸込側熱交換器用膨張弁
との間と吹出し側熱交換器用膨張弁と吹出し側熱交換器
との間を連絡する流路に第４の電磁弁をそれぞれ設ける
ものである。As described above, the present invention provides a suction-side heat exchanger and an outlet-side heat exchanger on the windward and leeward sides of the blower in the main body, and also provides an air-conditioning system for cooling the expansion valve for the suction-side heat exchanger. A first solenoid valve is installed on the upstream side of the air, a second solenoid valve is placed on the expansion valve for the outlet side heat exchanger and a flow path that bypasses the outlet side heat exchanger, and a second electromagnetic valve is installed on the downstream side of the suction side heat exchanger during cooling and the outlet side. A third solenoid valve is provided in the flow path that communicates with the downstream side of the side heat exchanger during cooling, and a third solenoid valve is provided between the first solenoid valve and the expansion valve for the suction side heat exchanger, and between the expansion valve for the blowout side heat exchanger and the outlet. A fourth electromagnetic valve is provided in each flow path communicating with the side heat exchanger.
【００２７】この構成によって、冷暖房における通常の
運転時は、第１の電磁弁と第３の電磁弁とを開に第２の
電磁弁と第４の電磁弁とを閉にすることで吸込側熱交換
器及び吹出し側熱交換器の２台の熱交換器を使用し、能
力縮小運転時は、第１の電磁弁を開に第２の電磁弁と第
３の電磁弁と第４の電磁弁とを閉にすることで吸込側熱
交換器のみ１台の熱交換器を使用して、温度幅が広くき
め細かな制御を行なうことができる。[0027] With this configuration, during normal operation in cooling and heating, the first solenoid valve and the third solenoid valve are opened and the second solenoid valve and the fourth solenoid valve are closed. Two heat exchangers, a heat exchanger and a blow-out side heat exchanger, are used, and during capacity reduction operation, the first solenoid valve is opened, the second solenoid valve, the third solenoid valve, and the fourth solenoid valve are closed. By closing the valve, only one heat exchanger is used on the suction side, allowing fine control over a wide temperature range.
【００２８】また、除湿運転時は、第１の電磁弁と第３
の電磁弁とを閉に第２の電磁弁と第４の電磁弁とを開に
することで吸込側熱交換器を蒸発器、吹出し側熱交換器
を再熱器として使用して、室温低下のない快適な除湿運
転を行うことができる。[0028] Also, during dehumidification operation, the first solenoid valve and the third
By closing the solenoid valve and opening the second and fourth solenoid valves, the suction side heat exchanger is used as an evaporator and the outlet side heat exchanger is used as a reheater to lower the room temperature. Comfortable dehumidification operation can be performed without any problems.
【図１】本発明の一実施例における天吊形空気調和機の
縦断面図[Fig. 1] A vertical cross-sectional view of a ceiling-mounted air conditioner according to an embodiment of the present invention.
【図２】本発明の一実施例における天吊形空気調和機の
冷凍サイクル図[Fig. 2] Refrigeration cycle diagram of a ceiling-mounted air conditioner in one embodiment of the present invention
【図３】従来の天吊形空気調和機の縦断面図[Figure 3] Longitudinal cross-sectional view of a conventional ceiling-mounted air conditioner
【図４】従
来の天吊形空気調和機の冷凍サイクル図[Figure 4] Refrigeration cycle diagram of a conventional ceiling-mounted air conditioner
１ 本体 ２ 吸込口 ４ 送風機 ５Ａ 吸込側熱交換器 ５Ｂ 吹出し側熱交換器 ６ ドレンパン ７ 吹出し口 １０Ａ 吸込側熱交換器用膨張弁 １０Ｂ 吹出し側熱交換器用膨張弁 １４ 第１の電磁弁 １５ 第２の電磁弁 １６ 第３の電磁弁 １７ 第４の電磁弁 1 Main body 2 Suction port 4 Blower 5A Suction side heat exchanger 5B Blowout side heat exchanger 6 Drain pan 7 Air outlet 10A Expansion valve for suction side heat exchanger 10B Expansion valve for outlet side heat exchanger 14 First solenoid valve 15 Second solenoid valve 16 Third solenoid valve 17 Fourth solenoid valve
Claims (1)
する本体と、前記本体内における前記吸込口の近傍に設
けられた吸込側熱交換器と、前記本体内における前記吸
込側熱交換器の風下に設けられた送風機と、前記本体内
における前記送風機の風下に設けられた吹出し側熱交換
器と、前記吸込側熱交換器及び前記吹出し側熱交換器の
下部に設けられたドレンパンと、吸込側熱交換器用膨張
弁と、吹出し側熱交換器用膨張弁と、前記吸込側熱交換
器用膨張弁の冷房時の上流側に設けられた第１の電磁弁
と、前記吹出し側熱交換器用膨張弁及び前記吹出し側熱
交換器をバイパスする流路に設けられた第２の電磁弁と
、前記吸込側熱交換器の冷房時の下流側と前記吹出し側
熱交換器の冷房時の下流側とを連絡する流路に設けられ
た第３の電磁弁と、前記第１の電磁弁と前記吸込側熱交
換器用膨張弁との間と前記吹出し側熱交換器用膨張弁と
前記吹出し側熱交換器との間を連絡する流路に設けられ
た第４の電磁弁とにより構成したことを特徴とする天吊
形空気調和機。1. A main body having an air inlet and an air outlet, a suction side heat exchanger provided in the vicinity of the inlet in the main body, and the suction side heat exchanger in the main body. an air blower provided on the leeward side of the air blower, an outlet-side heat exchanger provided on the leeward side of the air blower in the main body, and a drain pan provided at the lower part of the suction-side heat exchanger and the outlet-side heat exchanger; an expansion valve for the suction side heat exchanger, an expansion valve for the blowout side heat exchanger, a first electromagnetic valve provided upstream of the expansion valve for the suction side heat exchanger during cooling, and an expansion valve for the blowout side heat exchanger. a second electromagnetic valve provided in a flow path that bypasses the valve and the outlet heat exchanger; a downstream side of the suction side heat exchanger during cooling; and a downstream side of the outlet side heat exchanger during cooling; between the first solenoid valve and the expansion valve for the suction side heat exchanger, and between the expansion valve for the blowout side heat exchanger and the blowout side heat exchanger. and a fourth electromagnetic valve provided in a flow path communicating between the ceiling-mounted air conditioner and the fourth solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11432991A JPH04344082A (en) | 1991-05-20 | 1991-05-20 | Suspended-type air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11432991A JPH04344082A (en) | 1991-05-20 | 1991-05-20 | Suspended-type air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04344082A true JPH04344082A (en) | 1992-11-30 |
Family
ID=14635095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11432991A Pending JPH04344082A (en) | 1991-05-20 | 1991-05-20 | Suspended-type air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04344082A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08271088A (en) * | 1995-03-30 | 1996-10-18 | Samsung Electronics Co Ltd | Air conditioner and its controller |
-
1991
- 1991-05-20 JP JP11432991A patent/JPH04344082A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08271088A (en) * | 1995-03-30 | 1996-10-18 | Samsung Electronics Co Ltd | Air conditioner and its controller |
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