JPH0658654A - Air conditioner - Google Patents

Air conditioner

Info

Publication number
JPH0658654A
JPH0658654A JP5055928A JP5592893A JPH0658654A JP H0658654 A JPH0658654 A JP H0658654A JP 5055928 A JP5055928 A JP 5055928A JP 5592893 A JP5592893 A JP 5592893A JP H0658654 A JPH0658654 A JP H0658654A
Authority
JP
Japan
Prior art keywords
compressor
outdoor unit
unit
outdoor
air conditioner
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.)
Granted
Application number
JP5055928A
Other languages
Japanese (ja)
Other versions
JP3213429B2 (en
Inventor
Koji Nagae
公二 永江
Ichiro Kamimura
一朗 上村
Kazuhiro Shimura
一廣 志村
Takao Shiina
孝夫 椎名
Takeshi Okubo
健 大久保
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP05592893A priority Critical patent/JP3213429B2/en
Publication of JPH0658654A publication Critical patent/JPH0658654A/en
Application granted granted Critical
Publication of JP3213429B2 publication Critical patent/JP3213429B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07Details of compressors or related parts
    • F25B2400/075Details of compressors or related parts with parallel compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/06Damage

Landscapes

  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

PURPOSE:To provide an air conditioner in which in the case that any one of compressors is troubled, its repairing work can be started while a normal operation of the air conditioner is being carried out by a compressor in correspondence with a load of air conditioning without stopping an entire system. CONSTITUTION:The air conditioner is provided with a trouble discriminating means for discriminating troubles in compressors A to F in outdoor units 11 to t5, and a control means for driving the compressor of the outdoor unit only after the trouble of any one of the compressors A to F is discriminated by the trouble discriminating means and when an indoor air conditioning load exceeds a capability of the remaining air conditioning load. In the case that a compressor 12 having a specified capability is troubled, there is provided a control means for preferentially operating the capability variable type compressor 11 to other compressors 13 to 15 of specified capability type.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、複数台の室外ユニット
を備える空気調和装置に係り、特にいずれかの室外ユニ
ットの圧縮機が故障した際の処理に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner provided with a plurality of outdoor units, and more particularly to a process when a compressor of any of the outdoor units fails.

【0002】[0002]

【従来の技術】一般に、能力可変型の圧縮機が収納され
た能力可変型室外ユニットと、能力一定の圧縮機が収納
された定格室外ユニットとを有し、これらの室外ユニッ
トを室内ユニットから延びるユニット間配管に並列につ
なぎ、室内の空調負荷に応じてこれらの室外ユニットの
運転台数を制御する空気調和装置は知られている(特開
平1−247967号公報参照)。
2. Description of the Related Art Generally, a variable capacity type outdoor unit accommodating a variable capacity compressor and a rated outdoor unit accommodating a constant capacity compressor are provided, and these outdoor units extend from the indoor unit. There is known an air conditioner that is connected in parallel to piping between units and controls the operating number of these outdoor units according to the air conditioning load in the room (see Japanese Patent Laid-Open No. 1-247967).

【0003】[0003]

【発明が解決しようとする課題】この種のものでは、同
一の冷媒が流れる同一の系統内に、複数台の圧縮機が設
けられるので、そのうちのいずれか1台の圧縮機が故障
した際には、すべての圧縮機を停止させた後に、その故
障機に対して修理作業に入らなければならないという問
題がある。
In this type, since a plurality of compressors are provided in the same system in which the same refrigerant flows, when any one of them fails Has a problem in that after all the compressors have been stopped, repair work must be carried out for the failed machine.

【0004】ところで、従来では、各室外ユニットをそ
れぞれ単独でシステムから切り離しができるように、そ
れぞれをサービスバルブでつないでいるが、これは例え
ば圧縮機の修理に入る際などのメンテナンスの都合を考
えてのものであり、いずれにしても切り離された室外ユ
ニット以外の残りの室外ユニットだけを運転させること
ができるようになってはいない。
By the way, conventionally, each outdoor unit is connected by a service valve so that each outdoor unit can be independently separated from the system, but this is taken into consideration for maintenance such as when the compressor is repaired. However, in any case, it is not possible to operate only the remaining outdoor units other than the separated outdoor unit.

【0005】そこで、本発明の目的は、上述した従来の
技術が有する問題点を解消し、いずれかの圧縮機が故障
した際には、システム全体を停止させることなく、その
故障機に対して修理作業に入れるようにした空気調和装
置を提供することにある。更に、本発明の目的はこのよ
うな故障時においても、空調負荷に応じた圧縮機の運転
が行えるようにした空気調和装置を提供することにあ
る。
Therefore, an object of the present invention is to solve the above-mentioned problems of the prior art, and when any one of the compressors fails, the system is not stopped without stopping the entire system. An object is to provide an air conditioner that can be put into repair work. Further, an object of the present invention is to provide an air conditioner capable of operating a compressor according to an air conditioning load even in the case of such a failure.

【0006】[0006]

【課題を解決するための手段】上記目的を達成するため
に、本発明は、複数台の室外ユニットを室内ユニットか
ら延びるユニット間配管に並列につなぎ、室内の空調負
荷に応じてこれらの室外ユニットの運転台数を制御する
空気調和装置において、室外ユニットの圧縮機の故障を
判定する故障判定手段と、この故障判定手段によりいず
れかの圧縮機の故障が判定された後は、室内の空調負荷
が残りの室外ユニットの圧縮機の能力を越えた時にその
残りの室外ユニットの圧縮機を駆動する制御手段とを備
えたことを特徴とするものである。
In order to achieve the above object, the present invention is to connect a plurality of outdoor units in parallel with unit pipes extending from an indoor unit, and to connect these outdoor units according to the air conditioning load in the room. In the air conditioner for controlling the number of operating units, the failure determination means for determining the failure of the compressor of the outdoor unit and the air conditioning load in the room after the failure determination means determines the failure of one of the compressors. And a control means for driving the compressor of the remaining outdoor unit when the capacity of the compressor of the remaining outdoor unit is exceeded.

【0007】又、能力可変型室外ユニットと複数台の能
力一定型室外ユニットとを有し、能力一定型室外ユニッ
トの一台が故障した場合は、残りの能力一定型室外ユニ
ットよりも能力可変型室外ユニットを優先的に運転させ
るようにしたことを特徴とするものである。
In addition, when the outdoor unit of constant capacity type has a variable capacity type outdoor unit and a plurality of outdoor units of constant capacity type, when one outdoor unit of constant capacity type fails, the outdoor unit of constant capacity type is more variable in capacity than the remaining outdoor units of constant capacity type. It is characterized in that the outdoor unit is preferentially operated.

【0008】[0008]

【作用】マルチ型の空気調和装置において、故障判定手
段によりいずれかの圧縮機が故障したと判定された後
は、制御手段により室内の空調負荷がある圧縮機の能力
を越えた時に、初めてその圧縮機が駆動される。従っ
て、圧縮機が故障した後は、空調負荷が正常な室外ユニ
ット内の圧縮機の馬力を越えると初めて、正常な室外ユ
ニットの運転が開始される。
In the multi-type air conditioner, after the failure determining means determines that one of the compressors has failed, the air conditioning load in the room exceeds the capacity of the compressor by the controlling means. The compressor is driven. Therefore, after the failure of the compressor, the normal operation of the outdoor unit is started only when the air conditioning load exceeds the horsepower of the compressor in the normal outdoor unit.

【0009】又、能力一定型の室外ユニット(圧縮機)
が故障した後は、正常な能力一定型の室外ユニットがあ
っても、能力可変型の室外ユニットが優先的に運転さ
れ、故障時においても負荷に見合った空調を行う。
An outdoor unit (compressor) of constant capacity type
Even if there is a normal outdoor unit with a constant capacity, the outdoor unit with a variable capacity type is preferentially operated after the failure, and air conditioning suitable for the load is performed even in the event of a failure.

【0010】[0010]

【実施例】以下、本発明による空気調和装置の一実施例
を図面を参照して説明する。図1はいわゆるマルチ型の
空気調和装置を示しており、3台の室外ユニット1 1
2,13 と、複数台の室内ユニット31,32,…3n
と、これらをつなぐユニット間配管5とからなる。
EXAMPLE An example of an air conditioner according to the present invention will be described below.
Will be described with reference to the drawings. Figure 1 is a so-called multi-type
Shows the air conditioner, 3 outdoor units 1 1
12, 13 And multiple indoor units 31, 32,… 3n 
And the unit-to-unit piping 5 connecting them.

【0011】室外ユニット11を例にとってその構成を
説明すると、室外ユニット11は、アキュームレータ1
0と、圧縮機11と、油分離器12と、四方弁13と、
室外熱交換器14と、室外電動式膨張弁15とを備え、
これらは冷媒管によりつながれる。上記の油分離器12
は、圧縮機11から吐出される冷媒中の油を分離するも
のであり、ここで分離された油は戻し管21を通じて圧
縮機11に戻される。この戻し管21には油量の調整用
の弁23が設けられる。
[0011] The outdoor unit 1 1 illustrating its configuration as an example, the outdoor unit 1 1, the accumulator 1
0, the compressor 11, the oil separator 12, the four-way valve 13,
An outdoor heat exchanger 14 and an outdoor electric expansion valve 15 are provided,
These are connected by a refrigerant pipe. The above oil separator 12
Is for separating the oil in the refrigerant discharged from the compressor 11, and the separated oil is returned to the compressor 11 through the return pipe 21. The return pipe 21 is provided with a valve 23 for adjusting the amount of oil.

【0012】ユニット間配管5は、四方弁13につなが
るガス管5aと、室外電動式膨張弁15につながる液管
5bとからなり、これらは3台の室外ユニット11
2,1 3と、複数台の室内ユニット31,32,…3n
をそれぞれ並列につないでいる。なお、各室外ユニット
1,12,13の戻し管21はバランス管25によりつ
ながれる。
The inter-unit pipe 5 is connected to the four-way valve 13.
Gas pipe 5a and a liquid pipe connected to the outdoor electric expansion valve 15
5b and these are three outdoor units 11
12, 1 3And multiple indoor units 31, 32,… 3nWhen
Are connected in parallel. In addition, each outdoor unit
11, 12, 13The return pipe 21 of the
Can flow.

【0013】また、室内ユニット31を例にとってその
構成を説明すると、室内ユニット3は、室内熱交換器3
4と、室内電動式膨張弁35とを備え、これらは冷媒管
によりつながれる。さらに、室内ユニット31には、室
内の空調負荷を検出し得るセンサ37が設けられてお
り、このセンサ37には、本実施例に係る制御器51が
つながれるとともに、この制御器51には、各室外ユニ
ット11,12,13の圧縮機11がつながれ、そして、
圧縮機11等が故障の際には、その故障を表す信号がこ
の制御器51に送られる。
The structure of the indoor unit 3 1 will be described below. The indoor unit 3 includes the indoor heat exchanger 3
4 and the indoor electric expansion valve 35, which are connected by a refrigerant pipe. Further, the indoor unit 3 1, and a sensor 37 capable of detecting the indoor air conditioning load is provided on the sensor 37, together with a control unit 51 according to this embodiment is connected to the controller 51 , The compressors 11 of the outdoor units 1 1 , 1 2 , 1 3 are connected, and
When the compressor 11 or the like fails, a signal indicating the failure is sent to the controller 51.

【0014】この種の従来のマルチ型空気調和装置で
は、装置の大容量システム化が図れるという利点がある
反面で、同一の冷媒が流れる同一の系統内に、複数台の
圧縮機が設けられるので、そのうちのいずれか1台の圧
縮機が故障した際には、すべての圧縮機を停止させた後
に、この故障機に対して修理作業に入らなければならな
いという欠点がある。
The conventional multi-type air conditioner of this type has an advantage that a large capacity system can be realized, but on the other hand, a plurality of compressors are provided in the same system in which the same refrigerant flows. However, when any one of the compressors fails, it is necessary to stop all the compressors and then go into repair work for the failed compressor.

【0015】例えば、図1を参照して、室外ユニット1
1には、能力可変型の圧縮機Aと能力一定型の圧縮機B
とからなる圧縮機11が設けられ、室外ユニット12
は、能力一定型の圧縮機Cからなる圧縮機が設けられ、
室外ユニット13には、能力一定型の圧縮機Dからなる
圧縮機が設けられる。この場合に、いずれか1台の圧縮
機が故障した際には、すべての圧縮機を停止させた後で
なければ、その故障した圧縮機に対して修理作業に入る
ことはできない。
For example, referring to FIG. 1, the outdoor unit 1
1 has a variable capacity compressor A and a constant capacity compressor B
Comprising compressor 11 is provided and a, the outdoor unit 1 2, the compressor is provided comprising a compressor C of capacity fixed type,
The outdoor unit 1 3 is provided with a compressor including a constant capacity compressor D. In this case, when any one of the compressors fails, repair work cannot be started for the failed compressor unless all the compressors are stopped.

【0016】しかし、本発明は、故障した圧縮機の修理
を行っている間でも、他の正常な圧縮機で、この空気調
和装置を運転させることができるようにしたことに特徴
がある。説明の簡略化のため図2を用いて説明する。こ
の図2は5台の室外ユニット1 1〜15を有する装置を模
式的に示し、これに基づいて本実施例の作動を説明する
と、図2に示すように、それぞれの室外ユニット11
5には、能力可変型の圧縮機A(0〜6ps)と能力
一定圧縮機B(4ps)とからなる圧縮機11、能力一
定圧縮機C(5ps)からなる圧縮機、能力一定圧縮機
D(5ps)からなる圧縮機、能力一定圧縮機E(5p
s)からなる圧縮機、能力一定圧縮機F(5ps)から
なる圧縮機が夫々設けられる。
However, the present invention is directed to repairing a failed compressor.
Even while doing this, with other normal compressors, this air conditioning
Characterized by the ability to operate the summing device
There is. For simplification of description, description will be made with reference to FIG. This
Figure 2 shows five outdoor units 1 1~ 1FiveA device with
The operation of the present embodiment will be described based on the formula.
And, as shown in FIG. 2, each outdoor unit 11~
1FiveHas a variable capacity compressor A (0 to 6 ps) and capacity
Compressor 11 consisting of constant compressor B (4 ps), capacity 1
Compressor consisting of constant compressor C (5 ps), constant capacity compressor
Compressor consisting of D (5 ps), constant capacity compressor E (5 p
s) compressor, constant capacity compressor F (5 ps)
Each compressor is provided.

【0017】図3を参照して、システムの運転中には、
まず室内負荷(要求馬力)Xが演算される(S1)。つ
いで圧縮機の故障した室外ユニットが有るか否かが判断
され(S2)、故障機が有るとなれば、その故障機は能
力一定型の圧縮機が収納された室外ユニット(11ない
し15)なのか、それとも能力可変型の圧縮機が収納さ
れた室外ユニット(11)なのかが判断される(S
3)。
Referring to FIG. 3, during operation of the system,
First, the indoor load (required horsepower) X is calculated (S1). Then, it is judged whether or not there is a defective outdoor unit of the compressor (S2), and if there is a defective unit, the defective unit is an outdoor unit (1 1 to 1 5) in which a constant capacity type compressor is stored. ) Or an outdoor unit (1 1 ) containing a variable capacity compressor (S 1 )
3).

【0018】ここで室外ユニット11すなわち能力可変
型の室外ユニットが故障した場合は、他の正常な室外ユ
ニット11〜15における最小単位の圧縮機の馬力は何馬
力Yかが判断される(S4)。この例で言えば、Y=5
psである。ここで判断した馬力Y(=5ps)に室内
負荷(要求馬力)Xが達しているか否かが判断され(S
6)、これが達していれば、まず5psの圧縮機を有す
る室外ユニット12だけを運転する(S7)。これを詳
述すると、図4に示すように、室内負荷(要求馬力)X
が0〜5psの時には、すべて室外ユニット12〜15
停止させておき、室内負荷(要求馬力)Xが5〜10p
sの時に、初めて室外ユニット12だけを運転する。
If the outdoor unit 1 1, that is, the variable capacity outdoor unit fails, the horsepower Y of the minimum unit compressor of the other normal outdoor units 1 1 to 15 is determined. (S4). In this example, Y = 5
ps. It is determined whether the indoor load (required horsepower) X has reached the horsepower Y (= 5 ps) determined here (S
6) If this is reached, first, only the outdoor unit 1 2 having a 5 ps compressor is operated (S7). More specifically, as shown in FIG. 4, the indoor load (required horsepower) X
There when 0~5ps are all allowed to stop the outdoor unit 1 2-1 5, the indoor load (demand horsepower) X is 5~10p
Only the outdoor unit 1 2 is operated for the first time at s.

【0019】これらの処理は繰り返し行われ、図4に示
すように、室内負荷(要求馬力)Xが10〜15psの
時には、室外ユニット12,13 運転させ、室内負荷
(要求馬力)Xが15〜20psの時には、室外ユニッ
ト12,13,14を運転させ、室内負荷(要求馬力)X
が20〜25psの時には、残りすべての室外ユニット
2,13,14,15を運転させる。
[0019] These processes are repeated, as shown in FIG. 4, when the indoor load (demand horsepower) X is 10~15ps the outdoor unit 1 2, 1 3 is operated, indoor load (demand horsepower) X is At 15 to 20 ps, the outdoor units 1 2 , 1 3 , 1 4 are operated and the indoor load (required horsepower) X
Is 20 to 25 ps, all the remaining outdoor units 1 2 , 1 3 , 1 4 , 1 5 are operated.

【0020】上記の場合は、室外ユニット11すなわち
能力可変型の室外ユニットが故障した場合である。とこ
ろで能力一定型の室外ユニット(例えば12)が故障し
た場合は、図3のフローチャートにおいて、室内負荷
(馬力)は能力可変ユニットの能力以上か以下かの判断
をして(S8)、以下であれば正常な能力一定型ユニッ
トよりも優先して能力可変型ユニットを運転させる(S
9)。ここでその室内負荷(馬力)が能力可変ユニット
の能力以上であれば、能力可変ユニットと能力一定型の
ユニットとを併用運転させる(S10)。この状態の各
ユニットの運転状況を示せば図5のようになる。
In the above case, the outdoor unit 1 1, that is, the variable capacity outdoor unit has failed. By the way, when an outdoor unit of constant capacity type (for example, 1 2 ) fails, it is judged in the flowchart of FIG. 3 whether the indoor load (horsepower) is higher or lower than the capacity of the variable capacity unit (S8). If so, the variable capacity type unit is operated with priority over the normal constant capacity type unit (S
9). If the indoor load (horsepower) is equal to or higher than the capacity of the variable capacity unit, the variable capacity unit and the constant capacity unit are operated together (S10). The operation status of each unit in this state is shown in FIG.

【0021】即ち、この実施例によれば、いずれかの圧
縮機が故障した場合に、故障機をシステム全体から切り
離しても残りの室外ユニットだけでシステムの運転を継
続することができるという効果が得られる。具体的に
は、いずれかの圧縮機が故障した場合には、圧縮機から
制御器51に対し故障を表す信号が送られるとともに、
センサ37により室内の空調負荷が検出され、この負荷
を表す信号は同じく制御器51に送られる。そして、こ
の制御器51は、図3に示すチャートに従い、例えば能
力可変型の圧縮機(室外ユニット)の故障が判定される
と、室内の空調負荷が正常な室外ユニットに内蔵された
圧縮機の能力を越えた時に、初めてその圧縮機が運転さ
れる。一方、能力一定型の圧縮機(室外ユニット)の故
障が判定されると、他の能力一定型の圧縮機よりも優先
して能力可変型の圧縮機(室外ユニット)をその空調負
荷に応じて運転させるようにしたものである。従って、
この運転制御が実行された後、サービスバルブを外し
て、故障の室外ユニットを単独でシステムから切り離し
て、その後に、その故障機の修理に入る。
That is, according to this embodiment, when one of the compressors fails, the system operation can be continued only by the remaining outdoor unit even if the failed machine is disconnected from the entire system. can get. Specifically, when one of the compressors fails, the compressor sends a signal indicating the failure to the controller 51, and
The air conditioning load in the room is detected by the sensor 37, and a signal indicating this load is also sent to the controller 51. Then, according to the chart shown in FIG. 3, for example, when it is determined that the capacity-variable compressor (outdoor unit) has failed, the controller 51 controls the compressor installed in the outdoor unit in which the indoor air conditioning load is normal. Only when capacity is exceeded will the compressor be operated. On the other hand, when a failure of the constant capacity compressor (outdoor unit) is determined, the variable capacity compressor (outdoor unit) is given priority over other constant capacity compressors according to the air conditioning load. It was made to drive. Therefore,
After this operation control is executed, the service valve is removed, and the defective outdoor unit is independently disconnected from the system, and then the defective machine is repaired.

【0022】[0022]

【発明の効果】以上の説明から明らかなように、本発明
によれば、いずれかの圧縮機の故障が判定された後は、
室内の空調負荷がある圧縮機の能力を越えた時に、初め
てその圧縮機を駆動するという制御が実行されるので、
故障の圧縮機を有する室外ユニットを単独でシステムか
ら切り離しても、残りの室外ユニットだけで運転を継続
させることができる。
As is apparent from the above description, according to the present invention, after the failure of any one of the compressors is determined,
When the indoor air conditioning load exceeds the capacity of a certain compressor, the control to drive that compressor is executed for the first time.
Even if the outdoor unit having the defective compressor is independently disconnected from the system, the operation can be continued only by the remaining outdoor unit.

【0023】更に故障した圧縮機が能力一定型のもので
あればその後のシステムの運転に当ってまず能力可変型
の圧縮機から行うようにしたので、この故障時において
も空調負荷に応じた圧縮機の運転を行って、顧客の要望
に応じることができる。
Further, if the failed compressor is of constant capacity type, the compressor of variable capacity type is used first for the subsequent operation of the system. The machine can be operated to meet the customer's request.

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

【図1】本発明による空気調和装置の一実施例を示す冷
媒回路図である。
FIG. 1 is a refrigerant circuit diagram showing an embodiment of an air conditioner according to the present invention.

【図2】図1を模式的に示す図である。FIG. 2 is a diagram schematically showing FIG.

【図3】制御器による制御のフローチャートである。FIG. 3 is a flowchart of control by a controller.

【図4】図2に示した室外ユニットが故障した場合の各
室外ユニットの運転状態を示す図である。
FIG. 4 is a diagram showing an operating state of each outdoor unit when the outdoor unit shown in FIG. 2 fails.

【図5】図2に示した室外ユニットが故障した場合の各
室外ユニットの運転状態を示す図である。
5 is a diagram showing an operating state of each outdoor unit when the outdoor unit shown in FIG. 2 fails.

【符号の説明】[Explanation of symbols]

1〜15 室外ユニット 11 圧縮機 37 センサ 51 制御器 A〜F 圧縮機1 1 to 15 outdoor unit 11 compressor 37 sensor 51 controller A to F compressor

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 FI 技術表示箇所 F25B 13/00 U 9335−3L (72)発明者 椎名 孝夫 大阪府守口市京阪本通2丁目18番地 三洋 電機株式会社内 (72)発明者 大久保 健 大阪府守口市京阪本通2丁目18番地 三洋 電機株式会社内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification number Reference number within the agency FI Technical indication location F25B 13/00 U 9335-3L (72) Inventor Takao Shiina 2-18, Keihanhondori, Moriguchi-shi, Osaka Address Sanyo Electric Co., Ltd. (72) Inventor Ken Okubo 2-18 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 複数台の室外ユニットを室内ユニットか
ら延びるユニット間配管に並列につなぎ、室内の空調負
荷に応じてこれらの室外ユニットの運転台数を制御する
空気調和装置において、前記室外ユニットの圧縮機の故
障を判定する故障判定手段と、この故障判定手段により
いずれかの圧縮機の故障が判定された後は、室内の空調
負荷が残りの室外ユニットの圧縮機の能力を越えた時
に、前記残りの室外ユニットの圧縮機を駆動する制御手
段とを備えたことを特徴とする空気調和装置。
1. An air conditioner in which a plurality of outdoor units are connected in parallel to inter-unit piping extending from an indoor unit and the number of operating outdoor units is controlled according to an indoor air conditioning load. After the failure determination means for determining the failure of the machine and the failure of any of the compressors by this failure determination means, when the indoor air conditioning load exceeds the capacity of the compressor of the remaining outdoor unit, An air conditioner comprising: a control unit that drives a compressor of the remaining outdoor unit.
【請求項2】 能力可変型圧縮機が収納された一方の室
外ユニットと、能力一定型圧縮機が収納された他方の複
数台の室外ユニットとを備え、これら複数台の室外ユニ
ットを室内ユニットから延びるユニット間配管に並列に
つなぎ、室内の空調負荷に応じてこれらの室外ユニット
の運転台数を制御する空気調和装置において、前記室外
ユニットの圧縮機の故障を判定する故障判定手段と、こ
の故障判定手段により前記能力一定型圧縮機が収納され
た室外ユニットの故障が判定された時は、残りの他方の
室外ユニットよりも優先的に前記能力可変型圧縮機が収
納された一方の室外ユニットを運転させる制御手段とを
備えたことを特徴とする空気調和装置。
2. An outdoor unit that accommodates a variable capacity compressor and a plurality of other outdoor units that accommodate a constant capacity compressor, and these outdoor units are connected to an indoor unit. In the air conditioner, which is connected in parallel to the extending unit piping and controls the operating number of these outdoor units according to the air conditioning load in the room, failure determination means for determining a failure of the compressor of the outdoor unit, and this failure determination When the failure of the outdoor unit accommodating the constant capacity compressor is determined by the means, the one outdoor unit accommodating the variable capacity compressor is operated with priority over the remaining other outdoor unit. An air conditioner comprising:
JP05592893A 1992-04-10 1993-03-16 Air conditioner Expired - Lifetime JP3213429B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP05592893A JP3213429B2 (en) 1992-04-10 1993-03-16 Air conditioner

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4-118000 1992-04-10
JP11800092 1992-04-10
JP05592893A JP3213429B2 (en) 1992-04-10 1993-03-16 Air conditioner

Publications (2)

Publication Number Publication Date
JPH0658654A true JPH0658654A (en) 1994-03-04
JP3213429B2 JP3213429B2 (en) 2001-10-02

Family

ID=26396823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP05592893A Expired - Lifetime JP3213429B2 (en) 1992-04-10 1993-03-16 Air conditioner

Country Status (1)

Country Link
JP (1) JP3213429B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000161804A (en) * 1998-11-26 2000-06-16 Mitsubishi Electric Corp Refrigerating air conditioner
KR100814956B1 (en) * 2005-04-11 2008-03-19 엘지전자 주식회사 Multi Air-Conditioner and its Compressor control method
JP2015132410A (en) * 2014-01-10 2015-07-23 東京瓦斯株式会社 Air conditioner and air conditioning system
WO2017068902A1 (en) * 2015-10-22 2017-04-27 三菱重工業株式会社 Air conditioning system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102241004B1 (en) * 2019-04-10 2021-04-16 한국과학기술연구원 Apparatus to apply electric pulse

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000161804A (en) * 1998-11-26 2000-06-16 Mitsubishi Electric Corp Refrigerating air conditioner
KR100814956B1 (en) * 2005-04-11 2008-03-19 엘지전자 주식회사 Multi Air-Conditioner and its Compressor control method
JP2015132410A (en) * 2014-01-10 2015-07-23 東京瓦斯株式会社 Air conditioner and air conditioning system
WO2017068902A1 (en) * 2015-10-22 2017-04-27 三菱重工業株式会社 Air conditioning system

Also Published As

Publication number Publication date
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