JPH06109332A - Multi-chamber type air conditioner - Google Patents
Multi-chamber type air conditionerInfo
- Publication number
- JPH06109332A JPH06109332A JP4254541A JP25454192A JPH06109332A JP H06109332 A JPH06109332 A JP H06109332A JP 4254541 A JP4254541 A JP 4254541A JP 25454192 A JP25454192 A JP 25454192A JP H06109332 A JPH06109332 A JP H06109332A
- Authority
- JP
- Japan
- Prior art keywords
- indoor units
- air conditioner
- condenser
- evaporator
- distributor
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
- F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は快適で効率の良い空調を
提供する多室形空気調和装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-room air conditioner which provides comfortable and efficient air conditioning.
【０００２】[0002]
【従来の技術】近年、一般家庭において空気調和装置も
一家に一台の時代から、一部屋に一台の時代に移りつつ
ある。こうした背景の中、快適で効率の良い多室形空気
調和装置がのぞまれている。2. Description of the Related Art In recent years, the number of air conditioners in a general household is changing from one in one family to one in one room. Against this background, comfortable and efficient multi-room air conditioners are desired.
【０００３】以下、従来の多室形空気調和装置の一例を
図４、図５にもとづき説明する。図４では、一般的な分
配器１０１の断面図を示している。次に図５では、前記
分配器１０１を使用した多室形空気調和装置の冷凍回路
図を示している。図に示す様に、圧縮機１０２と、凝縮
器１０３と、凝縮器用送風機１０４と、電動膨張弁１０
５とを内蔵した室外ユニット１００と、分配器１０１
と、各室内ユニット１０８ａに対応した電磁弁１０６
と、複数のキャピラリーチューブ１０７とを内蔵した分
岐ユニット１０６ａと、蒸発器１０８と、蒸発器用送風
機１０９とを内蔵した複数の室内ユニット１０８ａとを
接続して多室形空気調和装置を構成している。An example of a conventional multi-room air conditioner will be described below with reference to FIGS. 4 and 5. In FIG. 4, a cross-sectional view of a general distributor 101 is shown. Next, FIG. 5 shows a refrigeration circuit diagram of a multi-room air conditioner using the distributor 101. As shown in the figure, a compressor 102, a condenser 103, a condenser blower 104, and an electric expansion valve 10
An outdoor unit 100 having a built-in 5 and a distributor 101.
And the solenoid valve 106 corresponding to each indoor unit 108a
A branch unit 106a having a plurality of capillary tubes 107 built therein, an evaporator 108, and a plurality of indoor units 108a having a blower 109 for the evaporator built therein are connected to form a multi-room air conditioner. .
【０００４】上記構成において、多室形空気調和装置を
運転すると、圧縮機１０２で高温高圧になった冷媒ガス
は、凝縮器１０３と凝縮器用送風機１０４の働きにより
外気に放熱され冷媒ガスは液化し、次の電動膨張弁１０
５を経て気液二相冷媒となる。In the above structure, when the multi-room air conditioner is operated, the refrigerant gas having a high temperature and high pressure in the compressor 102 is radiated to the outside air by the functions of the condenser 103 and the condenser blower 104, and the refrigerant gas is liquefied. , Next electric expansion valve 10
After going through 5, it becomes a gas-liquid two-phase refrigerant.
【０００５】次に気液二相となった冷媒は分配器１０１
に入り内蔵されたノズル１０１ａを通過することで気液
混合され、下流の複数の電磁弁１０６から複数のキャピ
ラリーチューブ１０７を経て減圧されて低圧となり、複
数の蒸発器１０８と、複数の蒸発器用送風機１０９との
働きにより室内空気が冷却され冷媒は気化して低圧のガ
スとなり圧縮機１０２に吸入される。Next, the gas-liquid two-phase refrigerant is distributed to the distributor 101.
Gas and liquid are mixed by passing through the built-in nozzle 101a, and then the pressure is reduced from a plurality of electromagnetic valves 106 on the downstream side through a plurality of capillary tubes 107 to a low pressure, a plurality of evaporators 108 and a plurality of evaporator blowers. By working with 109, the room air is cooled and the refrigerant is vaporized into a low-pressure gas, which is sucked into the compressor 102.
【０００６】[0006]
【発明が解決しようとする課題】このような従来の多室
形空気調和装置では、一台の室内ユニット１０８ａから
複数台の室内ユニット１０８ａの同時運転まで幅広く冷
媒循環量が変化する。この条件の中で、分配管１０１の
ノズル１０１ａの開口断面積は一定のため、例えば４台
の室内ユニット１０８ａに分配するときは開口断面積が
最適であっても、２台運転時の冷媒循環量に対しては大
きすぎ、個々の室内ユニット１０８ａへの冷媒の流れが
片寄る場合があり、分配精度が悪く、結果的に各室内ユ
ニット１０８ａの冷房能力のバラツキが大きくなる問題
があった。In such a conventional multi-room air conditioner, the refrigerant circulation amount varies widely from one indoor unit 108a to simultaneous operation of a plurality of indoor units 108a. Under this condition, since the opening cross-sectional area of the nozzle 101a of the distribution pipe 101 is constant, even if the opening cross-sectional area is optimal when distributing to the four indoor units 108a, for example, refrigerant circulation during operation of two The amount of the refrigerant is too large, and the flow of the refrigerant to the individual indoor units 108a may be biased, resulting in poor distribution accuracy, resulting in a large variation in the cooling capacity of each indoor unit 108a.
【０００７】本発明は上記課題を解決するもので、一台
から複数台の室内ユニット１０８ａの運転状態が変化す
ることに対応して、最適な冷媒分配が出来、個々の室内
ユニット１０８ａの冷房能力のバラツキを最小限にでき
る多室形空気調和装置を提供することを目的としてい
る。The present invention solves the above-mentioned problems, and in response to the change in the operating state of one to a plurality of indoor units 108a, optimal refrigerant distribution can be achieved and the cooling capacity of each indoor unit 108a can be improved. It is an object of the present invention to provide a multi-room air conditioner capable of minimizing the variation in the air conditioner.
【０００８】[0008]
【課題を解決するための手段】本発明の多室形空気調和
装置は上記目的を達成するために、圧縮機と、凝縮器
と、凝縮器用送風機と、電動膨張弁とを内蔵した室外ユ
ニットと、分配器と、複数の電磁弁と、複数のキャピラ
リーチューブとを内蔵した分岐ユニットと、蒸発器と、
蒸発器用送風機とを内蔵した複数の室内ユニットとを接
続し、１台の前記室内ユニットの運転と、複数台の前記
室内ユニットの同時運転とをなし得るとき、前記分配器
に内蔵されたノズルに形状記憶合金を使用し、室内ユニ
ットの運転台数に応じて冷媒流量を制御する構成とした
ものである。In order to achieve the above object, a multi-room air conditioner of the present invention comprises an outdoor unit having a compressor, a condenser, a blower for the condenser, and an electric expansion valve. , A distributor, a plurality of solenoid valves, a branch unit containing a plurality of capillary tubes, an evaporator,
When a plurality of indoor units including a blower for an evaporator are connected to each other and the operation of one indoor unit and the simultaneous operation of the plurality of indoor units can be performed, the nozzles incorporated in the distributor are connected to each other. A shape memory alloy is used, and the refrigerant flow rate is controlled according to the number of operating indoor units.
【０００９】[0009]
【作用】本発明は上記した構成より、室内ユニットの運
転台数が変化すると、それに対応し冷媒循環量が増減す
るが、この条件下、分配管を流れる冷媒の温度は冷媒循
環量が多ければ高温に、逆に少なければ低温になる特性
を有しており、この特性を利用して分配管に内蔵された
形状記憶合金のノズルの内径が、それぞれの冷媒循環量
に応じ変化し、最適な気液混合状態となることで、冷媒
分配に片寄りをなくし、複数の室内ユニットの冷房能力
のバラツキの少ない多室形空気調和装置が得られる。According to the present invention, when the number of operating indoor units changes, the refrigerant circulation amount increases / decreases correspondingly, but under this condition, the temperature of the refrigerant flowing through the distribution pipe is high if the refrigerant circulation amount is large. On the contrary, it has a characteristic that it becomes low temperature if it is small, and by utilizing this characteristic, the inner diameter of the shape memory alloy nozzle built in the distribution pipe changes according to each refrigerant circulation amount, By being in the liquid mixing state, it is possible to obtain a multi-room air conditioner in which the refrigerant distribution is not biased and the cooling capacity of the plurality of indoor units is less varied.
【００１０】[0010]
【実施例】以下、本発明の一実施例について、図１、図
２および図３にもとづいて説明する。図に示すように、
圧縮機２と、凝縮器３と、凝縮器用送風機４と、電動膨
張弁５とを内蔵した室外ユニット１２と、形状記憶合金
でできたノズル１ａを内蔵した分配器１と、各室内ユニ
ット１０に対応した電磁弁６と、複数のキャピラリーチ
ューブ７とを内蔵した分岐ユニット１３と、蒸発器８
と、蒸発器用送風機９とを内蔵した複数の室内ユニット
１０とを接続して多室形空気調和装置を構成している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1, 2 and 3. As shown in the figure,
An outdoor unit 12 having a compressor 2, a condenser 3, a condenser blower 4, and an electric expansion valve 5 built therein, a distributor 1 having a nozzle 1a made of a shape memory alloy built therein, and each indoor unit 10. Corresponding solenoid valve 6, branch unit 13 containing a plurality of capillary tubes 7, and evaporator 8
And a plurality of indoor units 10 having an evaporator blower 9 built therein are connected to form a multi-room air conditioner.
【００１１】上記構成において、多室形空気調和装置を
運転すると、圧縮機２で高温高圧になった冷媒ガスは、
凝縮器３と凝縮器用送風機４の働きにより外気に放熱さ
れ冷媒ガスは液化し、次の電動膨張弁５を経て気液二相
冷媒となる。次に気液二相となった冷媒は分配器１に入
り内蔵されたノズル１ａを通過することで気液混合され
下流の複数の電磁弁６から複数のキャピラリーチューブ
７を経て減圧されて低圧となり、複数の蒸発器８と、複
数の蒸発器用送風機９との働きにより室内空気が冷却さ
れ冷媒は気化して低圧のガスとなり圧縮機２に吸入され
る。In the above structure, when the multi-room air conditioner is operated, the refrigerant gas that has become high temperature and high pressure in the compressor 2 is
The refrigerant gas is liquefied by the function of the condenser 3 and the condenser blower 4 and is radiated to the outside air, and liquefied, and becomes a gas-liquid two-phase refrigerant through the next electric expansion valve 5. Next, the gas-liquid two-phase refrigerant enters the distributor 1 and passes through the built-in nozzle 1a to be gas-liquid mixed, and is depressurized from a plurality of downstream solenoid valves 6 through a plurality of capillary tubes 7 to a low pressure. The indoor air is cooled by the functions of the plurality of evaporators 8 and the plurality of evaporator blowers 9, and the refrigerant is vaporized into a low-pressure gas, which is sucked into the compressor 2.
【００１２】ここで特徴とするところは、前記ノズル１
ａに温度が高くなれば内径が大きくなり、低くなれば内
径が小さくなる特性をもつ形状記憶合金を使用すること
で、例えば、４台の室内ユニット１０が同時運転される
と冷媒循環量も増え、分配器１を流れる冷媒が高温にな
り内蔵されているノズル１ａの内径が大きくなり気液混
合が最適となり、各室内ユニット１０への冷媒分配も片
寄りがなく、各冷房能力のバラツキの少ない装置が得ら
れる。逆に２台の室内ユニット１０が運転されると、冷
媒循環量も減り、分配器１を流れる冷媒が低温になり内
蔵されているノズル１ａの内径が小さくなり冷媒循環量
に応じたノズル開口面積により気液混合が最適となり、
各室内ユニット１０の冷房能力のバラツキの少ない装置
が得られる。Here, the characteristic feature is that the nozzle 1
By using a shape memory alloy having such a characteristic that the inner diameter becomes larger as the temperature becomes higher in a and becomes smaller as the temperature becomes lower, for example, when four indoor units 10 are simultaneously operated, the refrigerant circulation amount also increases. , The refrigerant flowing through the distributor 1 becomes high temperature, the inner diameter of the nozzle 1a incorporated therein becomes large, the gas-liquid mixing is optimized, the refrigerant distribution to each indoor unit 10 is not biased, and there is little variation in each cooling capacity. The device is obtained. On the contrary, when the two indoor units 10 are operated, the refrigerant circulation amount also decreases, the refrigerant flowing through the distributor 1 has a low temperature, the inner diameter of the nozzle 1a incorporated therein becomes small, and the nozzle opening area corresponding to the refrigerant circulation amount. Gas-liquid mixing is optimized by
It is possible to obtain a device in which the variation in the cooling capacity of each indoor unit 10 is small.
【００１３】このように本発明の実施例の多室形空気調
和装置によれば室内ユニット１０の運転台数に応じてノ
ズルの開口面積が変化し、各冷房能力のバラツキの少な
い空調ができる。As described above, according to the multi-room type air conditioner of the embodiment of the present invention, the opening area of the nozzle is changed according to the number of operating indoor units 10, and air conditioning with little variation in each cooling capacity can be performed.
【００１４】なお、実施例では減圧装置に電動膨張弁５
を使用した例を説明したが、温度式膨張弁を用いてもよ
く、その作用効果に差異を生じない。In the embodiment, the pressure reducing device includes an electric expansion valve 5
Although the example using is explained, a temperature type expansion valve may be used and there is no difference in its action and effect.
【００１５】[0015]
【発明の効果】以上の実施例から明らかなように、本発
明によれば、分配器に内蔵されたノズルに形状記憶合金
を使用することで、室内ユニットの運転台数に拘らず、
各室内ユニットの冷房能力にバラツキの少ない多室形空
気調和装置を提供できる。As is apparent from the above embodiments, according to the present invention, by using the shape memory alloy for the nozzles incorporated in the distributor, regardless of the number of operating indoor units,
It is possible to provide a multi-room air conditioner with less variation in the cooling capacity of each indoor unit.
【図１】本発明の一実施例の多室形空気調和装置の分配
器縦断面図FIG. 1 is a vertical sectional view of a distributor of a multi-room air conditioner according to an embodiment of the present invention.
【図２】同分配器外観斜視図FIG. 2 is an external perspective view of the distributor.
【図３】同冷凍回路図[Fig. 3] The same refrigeration circuit diagram
【図４】従来の多室形空気調和装置の分配器縦断面図FIG. 4 is a longitudinal sectional view of a distributor of a conventional multi-room air conditioner.
【図５】同冷凍回路図[Fig. 5] The same refrigeration circuit diagram
１ 分配器 １ａ ノズル ２ 圧縮機 ３ 凝縮器 ４ 凝縮器用送風機 ５ 電動膨張弁 ６ 電磁弁 ７ キャピラリーチューブ ８ 蒸発器 ９ 蒸発器用送風機 １０ 室内ユニット １２ 室外ユニット １３ 分岐ユニット 1 Distributor 1a Nozzle 2 Compressor 3 Condenser 4 Blower for condenser 5 Electric expansion valve 6 Solenoid valve 7 Capillary tube 8 Evaporator 9 Blower for evaporator 10 Indoor unit 12 Outdoor unit 13 Branch unit
Claims (1)
電動膨張弁とを内蔵した室外ユニットと、分配器と、複
数の電磁弁と、複数のキャピラリーチューブとを内蔵し
た分岐ユニットと、蒸発器と、蒸発器用送風機とを内蔵
した複数の室内ユニットとを接続し、１台の前記室内ユ
ニットの運転と、複数台の前記室内ユニットの同時運転
とをなし得るとき、前記分配器に内蔵されたノズルに形
状記憶合金を使用し、前記室内ユニットの運転台数に応
じて冷媒流量を制御する多室形空気調和装置。1. A compressor, a condenser, and a blower for the condenser,
An outdoor unit containing an electric expansion valve, a distributor, a plurality of solenoid valves, a branching unit containing a plurality of capillary tubes, an evaporator, and a plurality of indoor units containing an air blower for the evaporator. When connected and capable of operating one indoor unit and simultaneously operating a plurality of indoor units, a shape memory alloy is used for the nozzle incorporated in the distributor, and the number of operating indoor units A multi-chamber air conditioner that controls the flow rate of the refrigerant in accordance with the requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4254541A JPH06109332A (en) | 1992-09-24 | 1992-09-24 | Multi-chamber type air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4254541A JPH06109332A (en) | 1992-09-24 | 1992-09-24 | Multi-chamber type air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06109332A true JPH06109332A (en) | 1994-04-19 |
Family
ID=17266479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4254541A Pending JPH06109332A (en) | 1992-09-24 | 1992-09-24 | Multi-chamber type air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06109332A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100829187B1 (en) * | 2006-12-18 | 2008-05-14 | 삼성전자주식회사 | Electronic expansion valve and multi-type air conditioning system having a non-power valve |
| EP2184564A2 (en) * | 2008-11-10 | 2010-05-12 | Lg Electronics Inc. | Distributor and refrigerant circulation system comprising the same |
| WO2011052047A1 (en) * | 2009-10-28 | 2011-05-05 | 三菱電機株式会社 | Refrigeration cycle device |
-
1992
- 1992-09-24 JP JP4254541A patent/JPH06109332A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100829187B1 (en) * | 2006-12-18 | 2008-05-14 | 삼성전자주식회사 | Electronic expansion valve and multi-type air conditioning system having a non-power valve |
| EP2184564A2 (en) * | 2008-11-10 | 2010-05-12 | Lg Electronics Inc. | Distributor and refrigerant circulation system comprising the same |
| EP2184564A3 (en) * | 2008-11-10 | 2014-09-24 | LG Electronics, Inc. | Distributor and refrigerant circulation system comprising the same |
| WO2011052047A1 (en) * | 2009-10-28 | 2011-05-05 | 三菱電機株式会社 | Refrigeration cycle device |
| CN102667366A (en) * | 2009-10-28 | 2012-09-12 | 三菱电机株式会社 | Refrigeration cycle device |
| JP5518089B2 (en) * | 2009-10-28 | 2014-06-11 | 三菱電機株式会社 | Air conditioner |
| US20150198360A1 (en) * | 2009-10-28 | 2015-07-16 | Mitsubishi Electric Corporation | Refrigeration cycle apparatus |
| US9822995B2 (en) | 2009-10-28 | 2017-11-21 | Mitsubishi Electric Corporation | Refrigeration cycle apparatus |
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