JPH0362976B2 - - Google Patents
Info
- Publication number
- JPH0362976B2 JPH0362976B2 JP21667486A JP21667486A JPH0362976B2 JP H0362976 B2 JPH0362976 B2 JP H0362976B2 JP 21667486 A JP21667486 A JP 21667486A JP 21667486 A JP21667486 A JP 21667486A JP H0362976 B2 JPH0362976 B2 JP H0362976B2
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- housing
- outdoor
- heat exchanger
- air conditioning
- 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
- 239000003507 refrigerant Substances 0.000 claims description 55
- 238000004378 air conditioning Methods 0.000 description 26
- 238000010438 heat treatment Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Other Air-Conditioning Systems (AREA)
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は空調用室外ユニツトに関するもので、
特に単一の空調用室外ユニツトにて複数の冷媒回
路を駆動する空調用室外ユニツトに関するもので
ある。[Detailed description of the invention] [Object of the invention] (Industrial application field) The present invention relates to an outdoor unit for air conditioning,
In particular, the present invention relates to an outdoor air conditioning unit in which a single outdoor air conditioning unit drives a plurality of refrigerant circuits.
（従来の技術）
空調用室外ユニツトはビルの屋上などの限定さ
れた空間に取り付けられることが多い。このため
様々な方法で空調用室外ユニツトを小型化した装
置が提案されている。(Prior Art) Air conditioning outdoor units are often installed in limited spaces such as the rooftops of buildings. For this reason, various methods have been proposed to reduce the size of outdoor units for air conditioning.
例えば、実公昭61−7449号公報には、一つのハ
ウジングの中に二つの冷媒回路を内蔵し、一つの
動力源で二つの圧縮機を駆動して同時に二部屋の
冷暖房を独立して行うことができる空調用室外ユ
ニツトが提案されている。 For example, Japanese Utility Model Publication No. 61-7449 discloses that two refrigerant circuits are built into one housing, two compressors are driven by one power source, and two rooms are independently heated and cooled at the same time. An outdoor unit for air conditioning has been proposed.
（発明が解決使用とする問題点）
しかし、この種の空調用室外ユニツトでは、空
調用室外ユニツトの取り付け位置によつては、二
つの室外側熱交換器が共に良好な特性を発揮でき
るとは限らず、それぞれの室外熱交換器が置かれ
た雰囲気温度や通風条件により、二つの冷媒回路
の冷暖房効率にばらつきが生じるという問題点が
あつた。(Problem to be Solved by the Invention) However, in this type of outdoor air conditioning unit, depending on the mounting position of the outdoor air conditioning unit, it is difficult to imagine that both of the two outdoor heat exchangers can exhibit good characteristics. However, there was a problem in that the heating and cooling efficiency of the two refrigerant circuits varied depending on the ambient temperature and ventilation conditions in which each outdoor heat exchanger was placed.
そこで本発明では、空調用室外ユニツトの取り
付け位置によらず、複数の冷媒回路間の冷暖房効
率の差を無くすことを技術的課題とする。 Therefore, the technical object of the present invention is to eliminate the difference in heating and cooling efficiency between a plurality of refrigerant circuits, regardless of the mounting position of the outdoor unit for air conditioning.
（問題点を解決するための手段）
前記技術的課題を達成するために講じた技術的
手段は、
ハウジングと、
該ハウジング内に配設され、冷媒を圧縮する複
数の圧縮機と、
前記ハウジング内に配設され、前記複数の圧縮
機を駆動する少なくとも一つの動力源と、
前記複数の圧縮機により駆動される複数の冷媒
回路と、
前記ハウジング内に配設され、前記複数の冷媒
回路が内部を通過する少なくとも一つの熱交換器
と、
を設けたことである。
(Means for Solving the Problems) The technical measures taken to achieve the above technical problem include: a housing; a plurality of compressors disposed within the housing to compress refrigerant; at least one power source disposed in the housing and driving the plurality of compressors; a plurality of refrigerant circuits driven by the plurality of compressors; disposed in the housing, the plurality of refrigerant circuits being internally disposed within the housing; and at least one heat exchanger passing through.
（作用）
前記本発明の構成によれば、ハウジング内に設
けられた少なくとも一つの熱交換器内には、複数
の冷媒回路が通過している。このため、空調用室
外ユニツトの取り付け位置によらず、複数の冷媒
回路は同等の冷暖房効率を発揮することができ
る。(Function) According to the configuration of the present invention, a plurality of refrigerant circuits pass through at least one heat exchanger provided in the housing. Therefore, the plurality of refrigerant circuits can exhibit equivalent heating and cooling efficiency regardless of the mounting position of the outdoor air conditioning unit.
（実施例）
以下図面に基づいて本発明の実施例について説
明する。以後、同じ部品には同じ番号を付すとと
もに、図示左側の圧縮機２Ｌが接続された冷媒回
路に属する部品には番号の後ろに「Ｌ」を、図示
右側の圧縮機２Ｒが接続された冷媒回路に属する
部品には番号の後ろに「Ｒ」を付す。(Example) Examples of the present invention will be described below based on the drawings. Hereinafter, the same parts will be given the same numbers, and parts that belong to the refrigerant circuit to which the compressor 2L on the left side of the diagram is connected will be given an "L" after the number, and parts that belong to the refrigerant circuit to which the compressor 2R on the right side of the diagram is connected will be designated. ``R'' is added to the end of the number for parts belonging to .
本実施例においては、動力源として内燃機関１
を使用している。内燃機関１はその燃料として
LGN（液化天然ガス）を用いている。 In this embodiment, an internal combustion engine 1 is used as the power source.
are using. Internal combustion engine 1 uses as its fuel
It uses LGN (liquefied natural gas).
第１図は本発明の実施例の概略構成図である。
図において、空調用室外ユニツト１６のハウジン
グ４の中には、内燃機関１と内燃機関１のより駆
動される二つの圧縮機２Ｌ，２Ｒが配設されてい
る。 FIG. 1 is a schematic diagram of an embodiment of the present invention.
In the figure, an internal combustion engine 1 and two compressors 2L and 2R driven by the internal combustion engine 1 are disposed in a housing 4 of an air conditioning outdoor unit 16.
また、空調用室外ユニツト１６のハウジング４
の中には、四方弁５Ｌ，５Ｒ、逆止弁１０Ｌ，１
０Ｒ、並びに、膨張弁１１Ｌ，１１Ｒが配設され
ている。 In addition, the housing 4 of the air conditioning outdoor unit 16
Inside are four-way valves 5L and 5R, and check valves 10L and 1.
0R, and expansion valves 11L and 11R are provided.
空調用室外ユニツト１６のハウジング４の図示
上方には、ハウジング４内の空気をハウジング４
の外へ排出するためのフアン１７が固定されてい
る。 Above the housing 4 of the air conditioning outdoor unit 16, air inside the housing 4 is transferred to the housing 4.
A fan 17 is fixed for discharging the water to the outside.
室外側熱交換器１２，１３はハウジング４の異
なる面に開けられた開口部（図示せず）に隣接し
て固定されており、フアン１７が回転すると、ハ
ウジング４外の空気が室外側熱交換器１２，１３
を介してハウジング４内に流入するようになつて
いる。室外側熱交換器１２，１３は固定された位
置が異なる他は同じ熱交換器である。 The outdoor heat exchangers 12 and 13 are fixed adjacent to openings (not shown) made on different sides of the housing 4, and when the fan 17 rotates, the air outside the housing 4 is transferred to the outdoor side for heat exchange. Vessels 12, 13
It is adapted to flow into the housing 4 through the. The outdoor heat exchangers 12 and 13 are the same heat exchanger except that the fixed positions are different.
本実施例の室外側熱交換器１２には二つの冷媒
配管１４Ｌ，１５Ｒを内蔵している。また、室外
熱交換器１３は二つの冷媒配管１４Ｒ，１５Ｌを
内蔵している。それぞれの室外側熱交換器１２，
１３において、図示上方の半分には冷媒配管１５
Ｌ，１５Ｒが、また、図示下方の半分には冷媒配
管１４Ｌ，１４Ｒが内蔵されている。 The outdoor heat exchanger 12 of this embodiment includes two refrigerant pipes 14L and 15R. Moreover, the outdoor heat exchanger 13 includes two refrigerant pipes 14R and 15L. each outdoor heat exchanger 12,
13, there is a refrigerant pipe 15 in the upper half of the diagram.
In addition, refrigerant pipes 14L and 14R are built in the lower half of the figure.
空調用室外ユニツト１６には二つの空調用室内
ユニツト９Ｌ，９Ｒが接続されている。空調用室
内ユニツト９Ｌ，９Ｒには、室内側熱交換器６
Ｌ，６Ｒ、逆止弁７Ｌ，７Ｒ、並びに、膨張弁８
Ｌ，８Ｒが配設されている。 Two indoor air conditioning units 9L and 9R are connected to the outdoor air conditioning unit 16. The indoor air conditioning units 9L and 9R are equipped with an indoor heat exchanger 6.
L, 6R, check valves 7L, 7R, and expansion valve 8
L and 8R are arranged.
以下、図面に基づいて冷媒回路に付いて説明す
る。二つの冷媒回路は全く同一であるので、以後
図示左側の圧縮機２Ｌが接続された冷媒回路につ
いてのみ説明する。また、冷房、暖房を行うため
の動作は既に多くの文献に紹介されているので、
以後暖房を行なうための動作のみを説明し、冷房
を行なうための動作説明は省略する。 Hereinafter, the refrigerant circuit will be explained based on the drawings. Since the two refrigerant circuits are completely the same, only the refrigerant circuit to which the compressor 2L on the left side of the figure is connected will be described hereinafter. In addition, the operations for cooling and heating have already been introduced in many documents, so
Hereinafter, only the operation for heating will be explained, and the explanation of the operation for cooling will be omitted.
内燃機関１と圧縮機２Ｌとはベルト３Ｌによつ
て接続されている。圧縮機２Ｌは、内燃機関１に
より駆動されると、冷媒を圧縮して四方弁５Ｌに
送出する。 The internal combustion engine 1 and the compressor 2L are connected by a belt 3L. When driven by the internal combustion engine 1, the compressor 2L compresses the refrigerant and sends it out to the four-way valve 5L.
四方弁５Ｌは、冷房運転と暖房運転とを選択す
るための弁で、図示した状態は暖房運転を選択し
た状態である。冷房運転を行う場合には四方弁５
Ｌを切り換えて、圧縮機２Ｌが送出した冷媒が室
外熱交換器１２に向かうようにすればよい。 The four-way valve 5L is a valve for selecting between a cooling operation and a heating operation, and the illustrated state is a state in which the heating operation is selected. When performing cooling operation, use the four-way valve 5.
L may be switched so that the refrigerant sent out by the compressor 2L is directed to the outdoor heat exchanger 12.
圧縮機２Ｌから四方弁５Ｌに送出された冷媒
は、空調用室内ユニツト９Ｌに内蔵された室内側
熱交換器６Ｌに送られる。室内側熱交換器６Ｌで
は、圧縮機２Ｌで圧縮された冷媒がその凝縮熱を
放出し、室内側熱交換器６Ｌが取り付けられた部
屋を暖房する。 The refrigerant sent from the compressor 2L to the four-way valve 5L is sent to the indoor heat exchanger 6L built in the air conditioning indoor unit 9L. In the indoor heat exchanger 6L, the refrigerant compressed by the compressor 2L releases its condensation heat to heat the room to which the indoor heat exchanger 6L is attached.
次に冷媒は、室内側熱交換器６Ｌから逆止弁７
Ｌと膨張弁８Ｌを介して空調用室外ユニツト１６
に送出される。 Next, the refrigerant is transferred from the indoor heat exchanger 6L to the check valve 7.
air conditioning outdoor unit 16 via L and expansion valve 8L.
will be sent to.
室内側熱交換器６Ｌから空調用室外ユニツト１
６に送出された冷媒は逆止弁１０Ｌと膨張弁１１
Ｌを介して室外側熱交換器１２の冷媒配管１４Ｌ
に送出される。 From indoor heat exchanger 6L to air conditioning outdoor unit 1
The refrigerant sent to the check valve 10L and the expansion valve 11
Refrigerant pipe 14L of outdoor heat exchanger 12 via L
will be sent to.
冷媒配管１４Ｌでは、冷媒が熱交換器１２を介
して流入する空気と熱交換する。冷媒配管１４Ｌ
で空気と熱交換した冷媒は、次に室外側熱交換器
１３の冷媒配管１５Ｌに送出される。冷媒配管１
５Ｌでは、冷媒が熱交換器１３を介して流入する
空気と熱交換する。 In the refrigerant pipe 14L, the refrigerant exchanges heat with the air flowing in through the heat exchanger 12. Refrigerant piping 14L
The refrigerant that has undergone heat exchange with the air is then sent to the refrigerant pipe 15L of the outdoor heat exchanger 13. Refrigerant piping 1
At 5L, the refrigerant exchanges heat with the air flowing in through the heat exchanger 13.
冷媒配管１５Ｌで空気と熱交換した冷媒は、再
び四方弁５Ｌに送出される。四方弁５Ｌを通過し
た冷媒は、再び圧縮機２Ｌに戻り、冷媒回路を一
巡する。 The refrigerant that has exchanged heat with the air in the refrigerant pipe 15L is sent out again to the four-way valve 5L. The refrigerant that has passed through the four-way valve 5L returns to the compressor 2L again and goes around the refrigerant circuit.
冷媒は、空調用室外ユニツトが暖房運転を行う
際には、以上に述べた冷媒回路内を循環する。 The refrigerant circulates within the refrigerant circuit described above when the outdoor air conditioning unit performs heating operation.
以上に述べたように、本発明の室外側熱交換器
１２には二つの冷媒配管１４Ｌ，１５Ｒが内蔵さ
れている。また同様に、室外側熱交換器１３には
二つの冷媒配管１４Ｒ，１５Ｌが内蔵されてい
る。そして、本実施例においては、二つの冷媒回
路内を流れる冷媒は夫々室外側熱交換器１２と室
外側熱交換器１３を両方通過する。このため、空
調用室外ユニツト１６の取り付け位置により、室
外側熱交換器１５と室外側熱交換器１３の雰囲気
温度や通風条件に差が生じても、二つの冷媒回路
は同等の冷暖房効率を発揮することができる。 As described above, the outdoor heat exchanger 12 of the present invention includes two refrigerant pipes 14L and 15R. Similarly, the outdoor heat exchanger 13 includes two refrigerant pipes 14R and 15L. In this embodiment, the refrigerant flowing in the two refrigerant circuits passes through both the outdoor heat exchanger 12 and the outdoor heat exchanger 13, respectively. Therefore, even if there is a difference in the ambient temperature or ventilation conditions between the outdoor heat exchanger 15 and the outdoor heat exchanger 13 depending on the installation position of the outdoor unit 16 for air conditioning, the two refrigerant circuits can achieve the same heating and cooling efficiency. can do.
本実施例においては室外側熱交換器１２，１３
の図示下方の半分に冷媒配管１４Ｒ，１４Ｌが内
蔵され、図示上方の半分に冷媒配管１５Ｒ，１５
Ｌが内蔵された例のみを示したが、特にこの実施
例に限定する意図はない。 In this embodiment, the outdoor heat exchangers 12, 13
Refrigerant pipes 14R, 14L are built into the lower half of the figure, and refrigerant pipes 15R, 15 are built into the upper half of the figure.
Although only an example in which L is built-in is shown, there is no intention to be limited to this example in particular.
したがつて、本発明の他の実施例としては、第
２図に示したように、室外側熱交換器１２の内部
を冷媒配管１４Ｌと冷媒配管１５Ｒが内部を伴流
するようにしたもの等が考えられる。 Therefore, as another embodiment of the present invention, as shown in FIG. 2, a refrigerant pipe 14L and a refrigerant pipe 15R follow inside the outdoor heat exchanger 12. is possible.
本発明は、ハウジングと、該ハウジング内に配
設され冷媒を圧縮する複数の圧縮機と、前記ハウ
ジング内に配設され前記複数の圧縮機を駆動する
少なくとも一つの動力源と、前記複数の圧縮機に
より駆動される複数の冷媒回路と、前記ハウジン
グ内に配設され、前記複数の冷媒回路が内部を通
過する少なくとも一つの熱交換器とを設けたもの
であるので、空調用室外ユニツトの取り付け位置
によらず、複数の冷媒回路に同等の冷暖房効率を
発揮させることができる。
The present invention includes a housing, a plurality of compressors arranged in the housing to compress refrigerant, at least one power source arranged in the housing to drive the plurality of compressors, and a plurality of compressors arranged in the housing to drive the plurality of compressors. The housing is equipped with a plurality of refrigerant circuits driven by the air conditioner, and at least one heat exchanger disposed within the housing and through which the plurality of refrigerant circuits pass, making it easy to install the outdoor unit for air conditioning. Regardless of the location, multiple refrigerant circuits can exhibit the same heating and cooling efficiency.
第１は本発明の第１実施例の空調用室外ユニツ
トを描いた概略構成図、第２図は本発明の第２実
施例の空調用室外ユニツトを描いた概略構成図で
ある。
１……内燃機関、２……圧縮器、３Ｌ，３Ｒ…
…ベルト、４……ハウジング、５Ｌ，５Ｒ……四
方弁、６Ｌ，６Ｒ……室内側熱交換器、７Ｌ，７
Ｒ，１０Ｌ，１０Ｒ……逆止弁、８Ｌ，８Ｒ，１
１Ｌ，１１Ｒ……膨張弁、９Ｌ，９Ｒ……空調用
室内ユニツト、１２，１３……室外側熱交換器、
１４Ｌ，１４Ｒ，１５Ｌ，１５Ｒ……冷媒配管、
１６……空調用室外ユニツト、１７……フアン。
1 is a schematic diagram depicting an outdoor air conditioning unit according to a first embodiment of the present invention, and FIG. 2 is a schematic diagram depicting an outdoor air conditioning unit according to a second embodiment of the present invention. 1...Internal combustion engine, 2...Compressor, 3L, 3R...
...Belt, 4...Housing, 5L, 5R...Four-way valve, 6L, 6R...Indoor heat exchanger, 7L, 7
R, 10L, 10R...Check valve, 8L, 8R, 1
1L, 11R...Expansion valve, 9L, 9R...Indoor unit for air conditioning, 12,13...Outdoor heat exchanger,
14L, 14R, 15L, 15R... Refrigerant piping,
16...Air conditioning outdoor unit, 17...Fan.
Claims (1)
数の圧縮機と、 前記ハウジング内に配設され、前記複数の圧縮
機を駆動する少なくとも一つの動力源と、 前記複数の圧縮機により駆動される複数の冷媒
回路と、 前記ハウジング内の異なる位置に配設され、前
記複数の冷媒回路が内部を通過する複数の熱交換
器と、 を有する空調用室外ユニツト。[Scope of Claims] 1. A housing, a plurality of compressors disposed within the housing to compress refrigerant, and at least one power source disposed within the housing and driving the plurality of compressors. , a plurality of refrigerant circuits driven by the plurality of compressors, and a plurality of heat exchangers disposed at different positions within the housing, through which the plurality of refrigerant circuits pass. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21667486A JPS6373040A (en) | 1986-09-12 | 1986-09-12 | Outside unit for air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21667486A JPS6373040A (en) | 1986-09-12 | 1986-09-12 | Outside unit for air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6373040A JPS6373040A (en) | 1988-04-02 |
| JPH0362976B2 true JPH0362976B2 (en) | 1991-09-27 |
Family
ID=16692147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21667486A Granted JPS6373040A (en) | 1986-09-12 | 1986-09-12 | Outside unit for air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6373040A (en) |
-
1986
- 1986-09-12 JP JP21667486A patent/JPS6373040A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6373040A (en) | 1988-04-02 |
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