JPH09318134A - Air conditioner - Google Patents
Air conditionerInfo
- Publication number
- JPH09318134A JPH09318134A JP8131539A JP13153996A JPH09318134A JP H09318134 A JPH09318134 A JP H09318134A JP 8131539 A JP8131539 A JP 8131539A JP 13153996 A JP13153996 A JP 13153996A JP H09318134 A JPH09318134 A JP H09318134A
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- JP
- Japan
- Prior art keywords
- indoor
- set temperature
- temperature
- compressor
- energy
- 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.)
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- Air Conditioning Control Device (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、空気を熱源とする
空気調和機において、室内快適性を保持しながら、冷暖
房運転時の消費電力低減を図る冷凍サイクル制御に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigeration cycle control for reducing power consumption during cooling / heating operation while maintaining indoor comfort in an air conditioner using air as a heat source.
【０００２】[0002]
【従来の技術】空気調和機については、既にさまざまな
開発がなされており、例えば、特開平１−１３７１４４
号公報に示されているような運転制御装置を有した空気
調和機がある。2. Description of the Related Art Various developments have already been made for air conditioners, for example, Japanese Patent Laid-Open No. 1-137144.
There is an air conditioner having an operation control device as disclosed in the publication.
【０００３】その基本的な技術について以下述べる。上
記従来の空気調和機は図７に示すように、室外ユニット
Ａ、及び室内ユニットＢから構成されている。[0003] The basic technology will be described below. As shown in FIG. 7, the conventional air conditioner includes an outdoor unit A and an indoor unit B.
【０００４】室外ユニットＡは、運転周波数可変の圧縮
機１，四方弁２，室外熱交換器３，室外膨張装置４，室
外送風機５，室外温度検出装置Ｔｈｏからなり、そして
室内ユニットＢは室内熱交換器１０，室内膨張装置１
１，室外送風機１２，室内温度検出装置Ｔｈｉから構成
されている。The outdoor unit A comprises a variable operating frequency compressor 1, a four-way valve 2, an outdoor heat exchanger 3, an outdoor expansion device 4, an outdoor blower 5, and an outdoor temperature detecting device Tho, and an indoor unit B has an indoor heat source. Exchanger 10, indoor expansion device 1
1, an outdoor blower 12, and an indoor temperature detecting device Thi.
【０００５】そして、圧縮機１，四方弁２，室外熱交換
器３，室外膨張装置４，室内膨張装置１１，室内熱交換
器１０を冷媒配管にて環状に順次接続して冷凍サイクル
を形成している。更に、６は室外温度検出装置Ｔｈｏと
室内温度検出装置Ｔｈｉの検出温度をもとに室外ユニッ
トＡと室内ユニットＢとを制御する運転制御装置であ
る。Then, the compressor 1, the four-way valve 2, the outdoor heat exchanger 3, the outdoor expansion device 4, the indoor expansion device 11 and the indoor heat exchanger 10 are sequentially connected in an annular shape by a refrigerant pipe to form a refrigeration cycle. ing. Further, 6 is an operation control device for controlling the outdoor unit A and the indoor unit B based on the temperatures detected by the outdoor temperature detection device Tho and the indoor temperature detection device Thi.
【０００６】以上のように構成された空気調和機につい
て、その動作を説明する。冷房運転の場合を例に挙げる
と、四方弁２によって冷房回路に切り替えられ、図中の
矢印の方向に冷媒が流れて冷房サイクルが形成され、室
外熱交換器３を凝縮器、室内熱交換器１０を蒸発器とし
て作用させる。The operation of the air conditioner configured as above will be described. Taking the case of the cooling operation as an example, the cooling circuit is switched by the four-way valve 2, the refrigerant flows in the direction of the arrow in the figure to form a cooling cycle, and the outdoor heat exchanger 3 is connected to the condenser and the indoor heat exchanger. 10 acts as an evaporator.
【０００７】上記冷房サイクルにおいて、圧縮機１を出
た高温高圧のガス冷媒は室外熱交換器３にて凝縮して高
温高圧の液冷媒となり、室内ユニットＢへ流入し、室内
膨張装置１１により断熱膨張されて低温低圧の液冷媒、
または二相冷媒となり、室内熱交換器１０にて蒸発する
ことにより室内空気から吸熱（冷房運転）するというサ
イクルを繰り返す。In the cooling cycle, the high-temperature and high-pressure gas refrigerant discharged from the compressor 1 is condensed in the outdoor heat exchanger 3 to become a high-temperature and high-pressure liquid refrigerant, flows into the indoor unit B, and is thermally insulated by the indoor expansion device 11. Expanded low temperature low pressure liquid refrigerant,
Alternatively, the cycle of becoming a two-phase refrigerant and evaporating in the indoor heat exchanger 10 to absorb heat from the indoor air (cooling operation) is repeated.
【０００８】この際の運転制御は図８に示す運転制御装
置のフローチャートに従って、冷房運転開始時、室外温
度Ｔ１＞室外設定温度Ｔ０となった時（ｓｔｅｐ１から
ｓｔｅｐ３をＹｅｓ側へ分岐）、室外温度Ｔ１と室外設
定温度Ｔ０との比較判定手段より室内設定温度をＴ２−
αとする出力信号が出され、室内温度Ｔ３が室内設定温
度Ｔ２−αに達するまで通常の冷房運転を行う（ｓｔｅ
ｐ４）。According to the flow chart of the operation control device shown in FIG. 8, the operation control at this time is such that when the cooling operation is started, the outdoor temperature T1> the outdoor set temperature T0 (step 1 to step 3 is branched to the Yes side), the outdoor temperature The indoor set temperature is set to T2- by the comparison and determination means of T1 and the outdoor set temperature T0.
An output signal for α is output, and the normal cooling operation is performed until the indoor temperature T3 reaches the indoor set temperature T2-α (ste.
p4).
【０００９】この場合、室内温度Ｔ３が室内設定温度Ｔ
２−αに近づくに従い、室内風量を少なくして運転を行
う。逆に、室外温度Ｔ１＜室外設定温度Ｔ０の場合（ｓ
ｔｅｐ３をＮｏ側へ分岐後、ｓｔｅｐ５をＹｅｓ側へ分
岐）、室内設定温度はＴ２＋αとなり、室内風量を少な
くして圧縮機の運転周波数も低くする（ｓｔｅｐ６）。In this case, the room temperature T3 is the room set temperature T
As it approaches 2-α, the operation is performed with the indoor air volume reduced. On the contrary, when the outdoor temperature T1 <the outdoor set temperature T0 (s
After branching step 3 to the No side, branching step 5 to the Yes side), the indoor set temperature becomes T2 + α, the indoor air volume is reduced, and the operating frequency of the compressor is also lowered (step 6).
【００１０】これらにより、室外気温に対応した室内温
度設定が可能となり、熱輻射による冷房能力不足を解消
できる。As a result, it becomes possible to set the indoor temperature corresponding to the outdoor temperature, and it is possible to solve the shortage of cooling capacity due to heat radiation.
【００１１】[0011]
【発明が解決しようとする課題】しかしながら、上記の
従来の構成では、室外温度Ｔ１により室内設定温度Ｔ２
の変更を行うものの、室内空調負荷と空気調和機能力と
がほぼバランスする状態になった場合でも、引き続き室
内設定温度Ｔ２が室外気温Ｔ１に依存した空調運転にな
るため、室内空調負荷に対して空気調和機能力が過大と
なりやすく、室内温熱環境として、冷房時は冷え過ぎた
り、暖房時は暖かくなり過ぎたりして、不必要な空調運
転を実施してしまうという課題を有していた。However, in the above-mentioned conventional configuration, the indoor temperature T2 is set by the outdoor temperature T1.
However, even when the indoor air conditioning load and the air conditioning function are almost balanced, the indoor set temperature T2 continues to be dependent on the outdoor air temperature T1. The air conditioning function is likely to be excessive, and as an indoor thermal environment, there is a problem in that unnecessary cooling is performed during cooling or excessive heating during heating, resulting in unnecessary air conditioning operation.
【００１２】そこで、本発明は上記課題を解決するもの
で、遠隔操作手段にて省エネ運転モードを設定した場合
には、室内設定温度を変更して室内空間の冷やし過ぎや
暖め過ぎを防止し、かつ省エネルギー化を図れる空気調
和機を提供することを目的とする。Therefore, the present invention solves the above-mentioned problems. When the energy-saving operation mode is set by the remote control means, the indoor set temperature is changed to prevent overcooling or overheating of the indoor space, Moreover, it aims at providing the air conditioner which can plan energy saving.
【００１３】[0013]
【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、室外ユニットに運転周波数一定の圧縮機を
備え、冷房運転、及び暖房運転時に省エネ運転モード設
定可能な遠隔操作手段と、省エネ運転モード設定時にお
いて室内設定温度と室内ユニットの吸い込み空気温度と
の差が所定範囲内にあり、且つ圧縮機の停止時間が所定
時間以上経過した場合に、冷房運転時は室内設定温度を
所定値だけ上昇させ、暖房運転時は室内設定温度を所定
値だけ低下させる省エネ運転モード制御手段とを備える
ものである。In order to achieve the above object, the present invention comprises a remote control means which is provided with a compressor having a constant operating frequency in an outdoor unit, and which can set an energy saving operation mode during cooling operation and heating operation. If the difference between the indoor set temperature and the intake air temperature of the indoor unit is within the specified range when the energy-saving operation mode is set, and the compressor stop time has exceeded the specified time, the specified indoor set temperature is set during the cooling operation. Energy saving operation mode control means for increasing the temperature by a predetermined value and decreasing the indoor set temperature by a predetermined value during the heating operation.
【００１４】また、室外ユニットに運転周波数可変の圧
縮機を備え、冷房運転、及び暖房運転時に省エネ運転モ
ード設定可能な遠隔操作手段と、省エネ運転モード設定
時において室内設定温度と室内ユニットの吸い込み空気
温度との差が所定範囲内にあり、且つ圧縮機の同一周波
数運転が所定時間以上経過した場合に、冷房運転時は室
内設定温度を所定値だけ上昇させ、暖房運転時は室内設
定温度を所定値だけ低下させる省エネ運転モード制御手
段とを備えるものである。Further, the outdoor unit is provided with a compressor having a variable operation frequency, remote control means capable of setting an energy-saving operation mode during cooling operation and heating operation, and indoor set temperature and intake air of the indoor unit when the energy-saving operation mode is set. If the difference from the temperature is within a predetermined range and the compressor operates at the same frequency for a predetermined time or longer, the indoor set temperature is increased by a predetermined value during the cooling operation, and the indoor set temperature is set to the predetermined value during the heating operation. And an energy saving operation mode control means for decreasing the value.
【００１５】これにより、遠隔操作手段にて省エネ運転
モードを設定した場合には、室内設定温度を変更して室
内空間の冷やし過ぎや暖め過ぎを防止し、かつ省エネル
ギー化を図ることができる。As a result, when the energy-saving operation mode is set by the remote control means, it is possible to change the indoor set temperature to prevent overcooling or overheating of the indoor space, and to save energy.
【００１６】[0016]
【発明の実施の形態】本発明の請求項１に記載の発明
は、運転周波数一定の圧縮機、四方弁、室外熱交換器、
室外膨張装置とからなる室外ユニットと、室内膨張装
置、室内熱交換器とからなる室内ユニットとから構成さ
れ、かつ冷房運転、及び暖房運転時に省エネ運転モード
設定可能な遠隔操作手段と、省エネ運転モード設定時に
おいて室内設定温度と室内ユニットの吸い込み空気温度
との差が所定範囲内にあり、且つ圧縮機の停止時間が所
定時間以上経過した場合に、冷房運転時は室内設定温度
を所定値だけ上昇させ、暖房運転時は室内設定温度を所
定値だけ低下させる省エネ運転モード制御手段とを備え
たものであり、省エネ運転モード設定時において室内設
定温度と室内ユニットの吸い込み空気温度との差が所定
範囲内にあり、且つ一定速圧縮機の停止時間が所定時間
以上経過した場合に、冷房運転時は室内設定温度を所定
値だけ上昇させ、暖房運転時は室内設定温度を所定値だ
け低下させる。BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention is a compressor having a constant operating frequency, a four-way valve, an outdoor heat exchanger,
An outdoor unit consisting of an outdoor expansion device and an indoor unit consisting of an indoor expansion device and an indoor heat exchanger, and remote control means capable of setting an energy saving operation mode during cooling operation and heating operation, and an energy saving operation mode If the difference between the indoor set temperature at the time of setting and the intake air temperature of the indoor unit is within the specified range and the compressor stop time has exceeded the specified time, the indoor set temperature is increased by the specified value during cooling operation. The energy-saving operation mode control means for lowering the indoor set temperature by a predetermined value during heating operation is provided, and when the energy-saving operation mode is set, the difference between the indoor set temperature and the intake air temperature of the indoor unit falls within a predetermined range. Within a certain period of time, and when the constant speed compressor has stopped for more than a predetermined time, the indoor set temperature is raised by a predetermined value during cooling operation to warm it up. During operation reduces the room temperature setting by a predetermined value.
【００１７】その結果、室内空間の冷やし過ぎや暖め過
ぎを防止し、かつ空気調和機の省エネルギー化を可能と
する。As a result, it is possible to prevent the indoor space from being overcooled or overheated, and to save energy in the air conditioner.
【００１８】また、本発明の請求項２に記載の発明は、
運転周波数可変の圧縮機、四方弁、室外熱交換器、室外
膨張装置とからなる室外ユニットと、室内膨張装置、室
内熱交換器とからなる室内ユニットとから構成され、か
つ冷房運転、及び暖房運転時に省エネ運転モード設定可
能な遠隔操作手段と、省エネ運転モード設定時において
室内設定温度と室内ユニットの吸い込み空気温度との差
が所定範囲内にあり、且つ圧縮機の同一周波数運転が所
定時間以上経過した場合に、冷房運転時は室内設定温度
を所定値だけ上昇させ、暖房運転時は室内設定温度を所
定値だけ低下させる省エネ運転モード制御手段とを備え
たものであり、省エネ運転モード設定時において室内設
定温度と室内ユニットの吸い込み空気温度との差が所定
範囲内にあり、且つ可変速圧縮機の同一周波数運転が所
定時間以上経過した場合に、冷房運転時は室内設定温度
を所定値だけ上昇させ、暖房運転時は室内設定温度を所
定値だけ低下させる。The invention according to claim 2 of the present invention provides:
It consists of an outdoor unit consisting of a compressor with variable operating frequency, a four-way valve, an outdoor heat exchanger, and an outdoor expansion device, and an indoor unit consisting of an indoor expansion device and an indoor heat exchanger, and cooling and heating operations. Sometimes the remote control means that can set the energy-saving operation mode and the difference between the indoor set temperature and the intake air temperature of the indoor unit are within the predetermined range when the energy-saving operation mode is set, and the same frequency operation of the compressor has passed the predetermined time or more. In this case, when the energy saving operation mode is set, the indoor setting temperature is increased by a predetermined value during the cooling operation, and the indoor setting temperature is decreased by the predetermined value during the heating operation. The difference between the indoor set temperature and the intake air temperature of the indoor unit is within the specified range, and the same frequency operation of the variable speed compressor has passed the specified time or more. Case, cooling operation increases the indoor set temperature by a predetermined value, during the heating operation decreases the indoor set temperature by a predetermined value.
【００１９】その結果、室内空間の冷やし過ぎや暖め過
ぎを防止し、かつ空気調和機の省エネルギー化を可能と
する。As a result, it is possible to prevent the indoor space from being overcooled or overheated and to save energy in the air conditioner.
【００２０】[0020]
【実施例】以下、本発明による空気調和機の第１の実施
例について、図面を参照しながら説明する。なお、従来
例と同一構成については同一符号を付して詳細な説明を
省略する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of an air conditioner according to the present invention will be described with reference to the drawings. The same components as those of the conventional example are denoted by the same reference numerals, and detailed description will be omitted.
【００２１】図１は、本発明の第１の実施例の空気調和
機の冷凍サイクル図である。図１において、空気調和機
は室外ユニットＡ’と、室内ユニットＢ’とから構成さ
れている。FIG. 1 is a refrigeration cycle diagram of the air conditioner of the first embodiment of the present invention. In FIG. 1, the air conditioner is composed of an outdoor unit A ′ and an indoor unit B ′.
【００２２】室外ユニットＡ'は、運転周波数一定の圧
縮機１'，四方弁２，室外熱交換器３，室外膨張装置
４，室外送風機５からなり、そして室内ユニットＢ'は
室内熱交換器１０，室内膨張装置１１，室外送風機１
２，室内温度検出装置Ｔｈｉから構成され、圧縮機
１'，四方弁２，室外熱交換器３，室外膨張装置４，室
内膨張装置１１，室内熱交換器１０を冷媒配管にて環状
に順次接続して冷凍サイクルを形成している。The outdoor unit A'comprises a compressor 1'having a constant operating frequency, a four-way valve 2, an outdoor heat exchanger 3, an outdoor expansion device 4, an outdoor blower 5, and an indoor unit B'is an indoor heat exchanger 10. , Indoor expansion device 11, outdoor blower 1
2. Comprised of an indoor temperature detection device Thi, a compressor 1 ', a four-way valve 2, an outdoor heat exchanger 3, an outdoor expansion device 4, an indoor expansion device 11, and an indoor heat exchanger 10 are sequentially connected in an annular shape by a refrigerant pipe. To form a refrigeration cycle.
【００２３】そして、室内温度検出装置Ｔｈｉにより室
内ユニットの吸い込み空気温度Ｔａを検出して省エネ運
転モードの制御を行う省エネ運転モード制御手段Ｃｎｔ
１、及び室内温度設定手段７と省エネ運転モードを設定
するモード設定手段８と省エネ運転モードを表示するモ
ード表示手段９とからなる遠隔操作手段Ｒｍを備えてい
る。Energy-saving operation mode control means Cnt for controlling the energy-saving operation mode by detecting the intake air temperature Ta of the indoor unit by the indoor temperature detecting device Thi.
1, remote control means Rm including an indoor temperature setting means 7, a mode setting means 8 for setting an energy saving operation mode, and a mode display means 9 for displaying the energy saving operation mode.
【００２４】以上のように構成された空気調和機につい
て、その動作を説明する。冷房サイクルを例に挙げる
と、圧縮機１'を出た高温高圧のガス冷媒は室外熱交換
器３にて凝縮して高温高圧の液冷媒となり、室内ユニッ
トＢ'へ流入し、室内膨張装置１１により断熱膨張され
て低温低圧の液冷媒、または二相冷媒となり、室内熱交
換器１０にて蒸発することにより室内空気から吸熱（冷
房運転）するというサイクルを繰り返す。The operation of the air conditioner configured as described above will be described. Taking the cooling cycle as an example, the high-temperature and high-pressure gas refrigerant discharged from the compressor 1 ′ is condensed in the outdoor heat exchanger 3 to become a high-temperature and high-pressure liquid refrigerant, which flows into the indoor unit B ′ and the indoor expansion device 11 Is adiabatically expanded into a low-temperature low-pressure liquid refrigerant or a two-phase refrigerant, and evaporates in the indoor heat exchanger 10 to absorb heat from the indoor air (cooling operation).
【００２５】暖房サイクルについては四方弁２より冷媒
流動方向が切り替えられ、冷房サイクル時とは逆に、室
外ユニットＡ’にて蒸発、室内ユニットＢ’にて凝縮作
用が働き、暖房運転が行われる。In the heating cycle, the flow direction of the refrigerant is switched by the four-way valve 2. Contrary to the cooling cycle, the outdoor unit A'evaporates and the indoor unit B'condenses to perform the heating operation. .
【００２６】この冷房、あるいは暖房運転中に、遠隔操
作手段Ｒｍにて省エネ運転モードを設定する場合の省エ
ネ運転モード制御手段Ｃｎｔ１は図２の制御ブロック図
に示すような機能実現手段で構成され、その制御内容は
図４に示すフローチャートに従って行われる。The energy-saving operation mode control means Cnt1 for setting the energy-saving operation mode by the remote operation means Rm during the cooling or heating operation is composed of the function realizing means as shown in the control block diagram of FIG. The control content is performed according to the flowchart shown in FIG.
【００２７】即ち、ｓｔｅｐ１にて遠隔操作手段Ｒｍに
て設定されている室内設定温度Ｔ２を検出し、ｓｔｅｐ
２にて時間τを検出することにより経過時間Δτを算出
し、経過時間Δτが所定経過時間τｓ以上となった場合
にｓｔｅｐ３へ移行する。That is, in step 1, the room set temperature T2 set by the remote control means Rm is detected, and step 1
The elapsed time Δτ is calculated by detecting the time τ in step 2, and when the elapsed time Δτ is equal to or greater than the predetermined elapsed time τs, the process proceeds to step 3.
【００２８】ｓｔｅｐ３にて所定経過時間Δτｓの間に
室内設定温度Ｔ２が変更されているか、どうかを判定
し、室内設定温度Ｔ２に変更がない場合は、ｓｔｅｐ４
へ移行する。In step 3, it is determined whether the indoor set temperature T2 has been changed within the predetermined elapsed time Δτs. If the indoor set temperature T2 is not changed, step 4 is executed.
Move to.
【００２９】ｓｔｅｐ４にて室内ユニットＢ'の吸い込
み空気温度Ｔａと内設定温度Ｔ２との差異が所定範囲ｋ
内にあるかを判定し、所定範囲ｋ内にある場合、ｓｔｅ
ｐ５にて一定速圧縮機１'の運転状態を判断する。即
ち、圧縮機１'が停止している場合はｓｔｅｐ６にて圧
縮機１'の停止時間Δτ'を検出して、ｓｔｅｐ７にて圧
縮機停止時間Δτ'が所定時間τｓ'以上になった場合に
室内空調負荷に対して空気調和機能力は十分であると判
断してｓｔｅｐ８へ移行する。At step 4, the difference between the intake air temperature Ta of the indoor unit B'and the internal set temperature T2 is within a predetermined range k.
If it is within the predetermined range k, ste
The operating state of the constant speed compressor 1'is determined at p5. That is, when the compressor 1 ′ is stopped, the stop time Δτ ′ of the compressor 1 ′ is detected in step 6, and when the compressor stop time Δτ ′ is equal to or longer than the predetermined time τs ′ in step 7. It judges that the air conditioning function is sufficient for the indoor air conditioning load, and shifts to step 8.
【００３０】ｓｔｅｐ８にて、室内設定温度Ｔ２を、冷
房運転時はΔＴだけ上昇させ、暖房運転時はΔＴだけ降
下させるという室内設定温度シフトを行い、ｓｔｅｐ９
にて検出時間τ，τ'をリセットした後、ｓｔｅｐ１へ
戻るという制御を繰り返す。At step 8, the indoor set temperature T2 is increased by ΔT during the cooling operation and is decreased by ΔT during the heating operation, and the indoor set temperature T2 is shifted.
After resetting the detection times τ and τ'at step 1, the control to return to step 1 is repeated.
【００３１】以上のように本実施例の空気調和機は、室
外ユニットＡ'に運転周波数一定の圧縮機１'を備え、冷
房運転、及び暖房運転時に省エネ運転モード設定可能な
遠隔操作手段Ｒｍと、省エネ運転モード設定時において
室内設定温度Ｔ２と室内ユニットＢ'の吸い込み空気温
度Ｔａとの差が所定範囲ｋ内にあり、且つ圧縮機１'の
停止時間Δτ'が所定時間Δτｓ'以上経過した場合に、
冷房運転時は室内設定温度Ｔ２を所定値ΔＴだけ上昇さ
せ、暖房運転時は室内設定温度Ｔ２を所定値ΔＴだけ低
下させる省エネ運転モード制御手段Ｃｎｔ１とを備えて
いるため、室内空間の冷やし過ぎや暖め過ぎを防止し、
かつ省エネルギー運転を行うことが可能になる。As described above, in the air conditioner of this embodiment, the outdoor unit A'is provided with the compressor 1'having a constant operating frequency, and the remote control means Rm capable of setting the energy saving operation mode during the cooling operation and the heating operation. When the energy-saving operation mode is set, the difference between the indoor set temperature T2 and the intake air temperature Ta of the indoor unit B ′ is within the predetermined range k, and the stop time Δτ ′ of the compressor 1 ′ has exceeded the predetermined time Δτs ′. In case,
Since the indoor setting temperature T2 is increased by a predetermined value ΔT during the cooling operation, and the indoor setting temperature T2 is decreased by the predetermined value ΔT during the heating operation, the energy saving operation mode control means Cnt1 is provided. Prevents overheating,
And it becomes possible to perform energy saving operation.
【００３２】次に、本発明による空気調和機の第２の実
施例について図面を参照しながら説明する。なお、第１
の実施例と同一構成については同一符号を付して詳細な
説明を省略する。Next, a second embodiment of the air conditioner according to the present invention will be described with reference to the drawings. The first
The same configurations as those of the embodiment are given the same reference numerals and detailed description thereof will be omitted.
【００３３】図３は第２の実施例の空気調和機の冷凍サ
イクルである。図３に示すように、本実施例では空気調
和機は室外ユニットＡ"と、室内ユニットＢ"とから構成
されている。FIG. 3 shows a refrigeration cycle of the air conditioner of the second embodiment. As shown in FIG. 3, in this embodiment, the air conditioner includes an outdoor unit A "and an indoor unit B".
【００３４】室外ユニットＡ"は、運転周波数可変の圧
縮機１，四方弁２，室外熱交換器３，室外膨張装置４，
室外送風機５からなり、そして室内ユニットＢ'は室内
熱交換器１０，室内膨張装置１１，室外送風機１２，室
内温度検出装置Ｔｈｉから構成され、圧縮機１，四方弁
２，室外熱交換器３，室外膨張装置４，室内膨張装置１
１，室内熱交換器１０を冷媒配管にて環状に順次接続し
て冷凍サイクルを形成している。The outdoor unit A "comprises a compressor having a variable operating frequency 1, a four-way valve 2, an outdoor heat exchanger 3, an outdoor expansion device 4,
The indoor unit B ′ is composed of an outdoor blower 5, an indoor heat exchanger 10, an indoor expansion device 11, an outdoor blower 12, an indoor temperature detecting device Thi, and a compressor 1, a four-way valve 2, an outdoor heat exchanger 3, Outdoor expansion device 4, indoor expansion device 1
1. The indoor heat exchanger 10 is sequentially connected in an annular shape by a refrigerant pipe to form a refrigeration cycle.
【００３５】そして、室内温度検出装置Ｔｈｉにより室
内ユニットの吸い込み空気温度Ｔａを検出して省エネ運
転モードの制御を行う省エネ運転モード制御手段Ｃｎｔ
２、及び室内温度設定手段７と省エネ運転モードを設定
するモード設定手段８と省エネ運転モードを表示するモ
ード表示手段９とからなる遠隔操作手段Ｒｍを備えてい
る。An energy-saving operation mode control means Cnt for controlling the energy-saving operation mode by detecting the intake air temperature Ta of the indoor unit by the indoor temperature detection device Thi.
2, remote control means Rm comprising indoor temperature setting means 7, mode setting means 8 for setting the energy saving operation mode, and mode display means 9 for displaying the energy saving operation mode.
【００３６】以上のように構成された空気調和機につい
て、その動作を説明するが、冷房、暖房サイクル自体に
ついては上記第１の実施例と同様であるので説明は省略
する。The operation of the air conditioner configured as described above will be described. However, the cooling and heating cycle itself is the same as that of the first embodiment, and therefore the description thereof is omitted.
【００３７】この冷房、あるいは暖房運転中に、遠隔操
作手段Ｒｍにて省エネ運転モードを設定する場合の省エ
ネ運転モード制御手段Ｃｎｔ２は図４の制御ブロック図
に示すような機能実現手段で構成され、その制御内容は
図５に示すフローチャートに従って行われる。The energy-saving operation mode control means Cnt2 for setting the energy-saving operation mode by the remote control means Rm during the cooling or heating operation is composed of the function realizing means shown in the control block diagram of FIG. The control content is performed according to the flowchart shown in FIG.
【００３８】即ち、ｓｔｅｐ１にて遠隔操作手段Ｒｍに
て設定されている室内設定温度Ｔ２を検出し、ｓｔｅｐ
２にて時間τを検出することにより経過時間Δτを算出
し、経過時間Δτが所定経過時間τｓ以上となった場合
にｓｔｅｐ３へ移行する。That is, in step 1, the room set temperature T2 set by the remote control means Rm is detected, and step 1
The elapsed time Δτ is calculated by detecting the time τ in step 2, and when the elapsed time Δτ is equal to or greater than the predetermined elapsed time τs, the process proceeds to step 3.
【００３９】ｓｔｅｐ３にて所定経過時間τｓの間に室
内設定温度Ｔ２が変更されているか、どうかを判定し、
室内設定温度Ｔ２に変更がない場合は、ｓｔｅｐ４へ移
行する。At step 3, it is determined whether or not the indoor set temperature T2 is changed within the predetermined elapsed time τs,
If the room set temperature T2 is not changed, the process proceeds to step 4.
【００４０】ｓｔｅｐ４にて室内ユニットＢ"の吸い込
み空気温度Ｔａと内設定温度Ｔ２との差異が所定範囲ｋ
内にあるかを判定し、所定範囲ｋ内にある場合、ｓｔｅ
ｐ５にて可変速圧縮機１"の運転状態を判断する。即
ち、圧縮機１"の時間τ'における運転周波数ｆ＝ｆ
(τ')を検出し、ｓｔｅｐ６にて運転周波数ｆ＝ｆ(τ')
での運転時間Δτ'を算出して、ｓｔｅｐ７にて経過時
間Δτ'が所定時間τｓ'以上になった場合にｓｔｅｐ８
へ移行する。At step 4, the difference between the intake air temperature Ta of the indoor unit B "and the internal set temperature T2 is within a predetermined range k.
If it is within the predetermined range k, ste
The operating state of the variable speed compressor 1 ″ is determined at p5. That is, the operating frequency f = f of the compressor 1 ″ at time τ ′.
(τ ') is detected, and the operating frequency f = f (τ') at step 6
In step 7, if the elapsed time Δτ 'becomes equal to or greater than the predetermined time τs', the operating time Δτ' in step 8 is calculated.
Move to.
【００４１】ｓｔｅｐ８にて所定経過時間Δτ'の間に
圧縮機運転周波数ｆが変更されているか、どうかを判定
し、圧縮機運転周波数ｆに変更がない場合には、室内空
調負荷に対して空気調和機能力は十分であると判断して
ｓｔｅｐ９へ移行する。At step 8, it is determined whether the compressor operating frequency f has been changed during the predetermined elapsed time Δτ '. If the compressor operating frequency f is not changed, the air conditioning load against the indoor air conditioning load is changed. When it is determined that the harmony function is sufficient, the process proceeds to step 9.
【００４２】ｓｔｅｐ９にて、室内設定温度Ｔ２を、冷
房運転時はΔＴだけ上昇させ、暖房運転時はΔＴだけ降
下させるという室内設定温度シフトを行い、ｓｔｅｐ１
０にて検出時間τ，τ'をリセットした後、ｓｔｅｐ１
へ戻るという制御を繰り返す。At step 9, the indoor set temperature T2 is shifted by ΔT during the cooling operation and decreased by ΔT during the heating operation, and the indoor set temperature T2 is shifted.
After resetting the detection times τ and τ'at 0, step1
The control of returning to is repeated.
【００４３】以上のように本実施例の空気調和機は、室
外ユニットＡ"に運転周波数一定の圧縮機１"を備え、冷
房運転、及び暖房運転時に省エネ運転モード設定可能な
遠隔操作手段Ｒｍと、省エネ運転モード設定時において
室内設定温度Ｔ２と室内ユニットＢ"の吸い込み空気温
度Ｔａとの差が所定範囲ｋ内にあり、且つ圧縮機１の運
転周波数ｆ＝ｆ(τ')での運転時間がτｓ'以上経過した
場合に、冷房運転時は室内設定温度Ｔ２を所定値ΔＴだ
け上昇させ、暖房運転時は室内設定温度Ｔ２を所定値Δ
Ｔだけ低下させる省エネ運転モード制御手段Ｃｎｔ２と
を備えているため、室内空間の冷やし過ぎや暖め過ぎを
防止し、かつ省エネルギー運転を行うことが可能にな
る。As described above, in the air conditioner of this embodiment, the outdoor unit A "is provided with the compressor 1" having a constant operation frequency, and the remote operation means Rm capable of setting the energy-saving operation mode during the cooling operation and the heating operation. When the energy saving operation mode is set, the difference between the indoor set temperature T2 and the intake air temperature Ta of the indoor unit B ″ is within a predetermined range k, and the operating time of the compressor 1 at the operating frequency f = f (τ ′) Is greater than τs ′, the indoor set temperature T2 is increased by a predetermined value ΔT during the cooling operation, and the indoor set temperature T2 is increased by the predetermined value ΔT during the heating operation.
Since the energy-saving operation mode control means Cnt2 that reduces the temperature by T is provided, it is possible to prevent the indoor space from being over-cooled or over-heated and perform the energy-saving operation.
【００４４】[0044]
【発明の効果】以上のように本発明は、室外ユニットに
運転周波数一定の圧縮機を備え、冷房運転、及び暖房運
転時に省エネ運転モード設定可能な遠隔操作手段と、省
エネ運転モード設定時において室内設定温度と室内ユニ
ットの吸い込み空気温度との差が所定範囲内にあり、且
つ圧縮機の停止時間が所定時間以上経過した場合に、冷
房運転時は室内設定温度を所定値だけ上昇させ、暖房運
転時は室内設定温度を所定値だけ低下させる省エネ運転
モード制御手段とを備えているために、室内空間の冷や
し過ぎや暖め過ぎを防止し、かつ空気調和機の省エネル
ギー化を可能とする。As described above, according to the present invention, the outdoor unit is provided with the compressor having a constant operating frequency, the remote control means capable of setting the energy saving operation mode during the cooling operation and the heating operation, and the indoor unit when the energy saving operation mode is set. When the difference between the set temperature and the intake air temperature of the indoor unit is within the specified range and the compressor stop time has exceeded the specified time, the indoor set temperature is increased by the specified value during the cooling operation, and the heating operation is performed. At this time, since it is provided with the energy-saving operation mode control means for lowering the indoor set temperature by a predetermined value, it is possible to prevent the indoor space from being over-cooled or over-heated and to save energy in the air conditioner.
【００４５】また、室外ユニットに運転周波数可変の圧
縮機を備え、冷房運転、及び暖房運転時に省エネ運転モ
ード設定可能な遠隔操作手段と、省エネ運転モード設定
時において室内設定温度と室内ユニットの吸い込み空気
温度との差が所定範囲内にあり、且つ圧縮機の同一周波
数運転が所定時間以上経過した場合に、冷房運転時は室
内設定温度を所定値だけ上昇させ、暖房運転時は室内設
定温度を所定値だけ低下させる省エネ運転モード制御手
段とを備えているために、室内空間の冷やし過ぎや暖め
過ぎを防止し、かつ空気調和機の省エネルギー化を可能
とする。Further, the outdoor unit is provided with a compressor having a variable operation frequency, remote control means capable of setting the energy-saving operation mode during the cooling operation and the heating operation, and the indoor set temperature and the intake air of the indoor unit when the energy-saving operation mode is set. If the difference from the temperature is within a predetermined range and the compressor operates at the same frequency for a predetermined time or longer, the indoor set temperature is increased by a predetermined value during the cooling operation, and the indoor set temperature is set to the predetermined value during the heating operation. Since it is provided with the energy-saving operation mode control means for decreasing the value only, it is possible to prevent the indoor space from being over-cooled or over-heated and to save energy in the air conditioner.
【図１】本発明による空気調和機の第１の実施例の冷凍
サイクル図FIG. 1 is a refrigeration cycle diagram of a first embodiment of an air conditioner according to the present invention.
【図２】本発明による空気調和機の第１の実施例の省エ
ネ運転モード制御手段の制御機能を示すブロック図FIG. 2 is a block diagram showing the control function of the energy-saving operation mode control means of the first embodiment of the air conditioner according to the present invention.
【図３】本発明による空気調和機の第１の実施例の運転
制御内容を示すフローチャートFIG. 3 is a flowchart showing the operation control contents of the first embodiment of the air conditioner according to the present invention.
【図４】本発明による空気調和機の第２の実施例の冷凍
サイクル図FIG. 4 is a refrigeration cycle diagram of a second embodiment of the air conditioner according to the present invention.
【図５】本発明による空気調和機の第２の実施例の省エ
ネ運転モード制御手段の制御機能を示すブロック図FIG. 5 is a block diagram showing a control function of energy-saving operation mode control means of a second embodiment of the air conditioner according to the present invention.
【図６】本発明による空気調和機の第２の実施例の運転
制御内容を示すフローチャートFIG. 6 is a flowchart showing the operation control contents of the second embodiment of the air conditioner according to the present invention.
【図７】従来の空気調和機の冷凍サイクル図FIG. 7 is a refrigeration cycle diagram of a conventional air conditioner.
【図８】従来の空気調和機の運転制御装置の制御を示す
フローチャートFIG. 8 is a flowchart showing control of a conventional air conditioner operation control device.
１，１' 圧縮機 ２ 四方弁 ３ 室外熱交換器 ４ 室外膨張装置 ５ 室外送風機 １０ 室内熱交換器 １１ 室内膨張装置 １２ 室内送風機 Ｔｈｉ 室内温度センサー Ｃｎｔ１，Ｃｎｔ２ 省エネ運転モード制御手段 Ｒｍ 遠隔操作手段 Ａ’，Ａ” 室外ユニット Ｂ’，Ｂ” 室内ユニット 1,1 'Compressor 2 Four-way valve 3 Outdoor heat exchanger 4 Outdoor expansion device 5 Outdoor blower 10 Indoor heat exchanger 11 Indoor expansion device 12 Indoor blower Thi Indoor temperature sensor Cnt1, Cnt2 Energy saving operation mode control means Rm Remote operation means A ', A "outdoor unit B', B" indoor unit
Claims (2)
熱交換器、室外膨張装置とからなる室外ユニットと、室
内膨張装置、室内熱交換器とからなる室内ユニットとか
ら構成され、かつ冷房運転、及び暖房運転時に省エネ運
転モード設定可能な遠隔操作手段と、省エネ運転モード
設定時において室内設定温度と室内ユニットの吸い込み
空気温度との差が所定範囲内にあり、且つ圧縮機の停止
時間が所定時間以上経過した場合に、冷房運転時は室内
設定温度を所定値だけ上昇させ、暖房運転時は室内設定
温度を所定値だけ低下させる省エネ運転モード制御手段
とを備えた空気調和機。1. An outdoor unit including a compressor having a constant operating frequency, a four-way valve, an outdoor heat exchanger, and an outdoor expansion device, and an indoor unit including an indoor expansion device and an indoor heat exchanger, and cooling. The remote control means that can set the energy-saving operation mode during operation and heating operation, the difference between the indoor set temperature and the intake air temperature of the indoor unit within the predetermined range when the energy-saving operation mode is set, and the compressor stop time An air conditioner comprising: an energy-saving operation mode control means for increasing the indoor set temperature by a predetermined value during the cooling operation and decreasing the indoor set temperature by the predetermined value during the heating operation when a predetermined time or more has elapsed.
熱交換器、室外膨張装置とからなる室外ユニットと、室
内膨張装置、室内熱交換器とからなる室内ユニットとか
ら構成され、かつ冷房運転、及び暖房運転時に省エネ運
転モード設定可能な遠隔操作手段と、省エネ運転モード
設定時において室内設定温度と室内ユニットの吸い込み
空気温度との差が所定範囲内にあり、且つ圧縮機の同一
周波数運転が所定時間以上経過した場合に、冷房運転時
は室内設定温度を所定値だけ上昇させ、暖房運転時は室
内設定温度を所定値だけ低下させる省エネ運転モード制
御手段とを備えた空気調和機。2. An outdoor unit including a compressor having a variable operating frequency, a four-way valve, an outdoor heat exchanger, and an outdoor expansion device, and an indoor unit including an indoor expansion device and an indoor heat exchanger, and cooling. Remote control means that can set the energy-saving operation mode during operation and heating operation, and the difference between the indoor set temperature and the intake air temperature of the indoor unit within the energy-saving operation mode is within a predetermined range, and the compressor operates at the same frequency. An air conditioner having an energy-saving operation mode control means for increasing the indoor set temperature by a predetermined value during the cooling operation and decreasing the indoor set temperature by the predetermined value during the heating operation after a predetermined time or more has elapsed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8131539A JPH09318134A (en) | 1996-05-27 | 1996-05-27 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8131539A JPH09318134A (en) | 1996-05-27 | 1996-05-27 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09318134A true JPH09318134A (en) | 1997-12-12 |
Family
ID=15060451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8131539A Pending JPH09318134A (en) | 1996-05-27 | 1996-05-27 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09318134A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002243241A (en) * | 2001-02-19 | 2002-08-28 | Daikin Ind Ltd | Method of controlling air conditioner, air-conditioning system, and program |
| JP2011153735A (en) * | 2010-01-26 | 2011-08-11 | Mitsubishi Heavy Ind Ltd | Air conditioning system, and control method and control program therefor |
| CN103954018A (en) * | 2014-03-24 | 2014-07-30 | 美的集团股份有限公司 | Air conditioner, air conditioner system and air conditioner control method |
| JP2015017748A (en) * | 2013-07-10 | 2015-01-29 | サンポット株式会社 | Heat pump heat source machine |
| JP2015017751A (en) * | 2013-07-10 | 2015-01-29 | サンポット株式会社 | Heat pump heat source machine |
| CN106895541A (en) * | 2015-12-18 | 2017-06-27 | 宁波奥克斯空调有限公司 | A kind of energy-saving control method under air-conditioner refrigeration mode based on users'comfort |
| CN109210692A (en) * | 2018-09-12 | 2019-01-15 | 珠海格力电器股份有限公司 | A kind of automatic air conditionning method and air-conditioning |
-
1996
- 1996-05-27 JP JP8131539A patent/JPH09318134A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002243241A (en) * | 2001-02-19 | 2002-08-28 | Daikin Ind Ltd | Method of controlling air conditioner, air-conditioning system, and program |
| JP2011153735A (en) * | 2010-01-26 | 2011-08-11 | Mitsubishi Heavy Ind Ltd | Air conditioning system, and control method and control program therefor |
| JP2015017748A (en) * | 2013-07-10 | 2015-01-29 | サンポット株式会社 | Heat pump heat source machine |
| JP2015017751A (en) * | 2013-07-10 | 2015-01-29 | サンポット株式会社 | Heat pump heat source machine |
| CN103954018A (en) * | 2014-03-24 | 2014-07-30 | 美的集团股份有限公司 | Air conditioner, air conditioner system and air conditioner control method |
| CN106895541A (en) * | 2015-12-18 | 2017-06-27 | 宁波奥克斯空调有限公司 | A kind of energy-saving control method under air-conditioner refrigeration mode based on users'comfort |
| CN106895541B (en) * | 2015-12-18 | 2019-05-10 | 奥克斯空调股份有限公司 | A kind of energy-saving control method under air conditioner refrigeration mode based on users'comfort |
| CN109210692A (en) * | 2018-09-12 | 2019-01-15 | 珠海格力电器股份有限公司 | A kind of automatic air conditionning method and air-conditioning |
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