JPH116665A - Heat-storing-type air-conditioner - Google Patents
Heat-storing-type air-conditionerInfo
- Publication number
- JPH116665A JPH116665A JP17514497A JP17514497A JPH116665A JP H116665 A JPH116665 A JP H116665A JP 17514497 A JP17514497 A JP 17514497A JP 17514497 A JP17514497 A JP 17514497A JP H116665 A JPH116665 A JP H116665A
- Authority
- JP
- Japan
- Prior art keywords
- water
- heat
- heat exchanger
- refrigerant
- outdoor
- 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
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は蓄熱式空気調和機に
関する。The present invention relates to a regenerative air conditioner.
【０００２】[0002]
【従来の技術】従来の蓄熱式空気調和機の１例が図２に
示されている。図２において、１は室外ユニットで、圧
縮機10、四方切換弁11、室外熱交換器12、室外フアン1
6、室外側絞り機構13、逆止弁14、アキュムレータ15等
を具備している。2. Description of the Related Art An example of a conventional regenerative air conditioner is shown in FIG. In FIG. 2, reference numeral 1 denotes an outdoor unit, which includes a compressor 10, a four-way switching valve 11, an outdoor heat exchanger 12, and an outdoor fan 1.
6, an outdoor throttle mechanism 13, a check valve 14, an accumulator 15, and the like.
【０００３】２は蓄熱ユニットで、内部に水25を充填し
た蓄熱槽20、この蓄熱槽20内に収容された蓄熱熱交換器
21、蓄熱側絞り機構22、逆止弁23、電磁弁24、水ポンプ
26等を具備している。3A、3B、3Cは室内ユニットで、そ
れぞれ室内熱交換器31、室内フアン32、電磁弁33等を具
備している。Reference numeral 2 denotes a heat storage unit, a heat storage tank 20 filled with water 25, and a heat storage heat exchanger accommodated in the heat storage tank 20.
21, heat storage side throttle mechanism 22, check valve 23, solenoid valve 24, water pump
It has 26 mag. 3A, 3B, and 3C are indoor units each including an indoor heat exchanger 31, an indoor fan 32, a solenoid valve 33, and the like.
【０００４】室外ユニット１と蓄熱ユニット２とは接続
ガス管27及び接続液管28を介して互いに接続され、圧縮
機10、四方切換弁11、室外熱交換器12、室外側絞り機構
13、蓄熱側絞り機構23、蓄熱熱交換器21によってヒート
ポンプサイクルが構成されている。複数台の室内ユニッ
ト3A、3B、3Cは水配管34、35を介して蓄熱ユニット２の
蓄熱槽20に並列に接続され、水配管35には水ポンプ26が
介装されている。[0004] The outdoor unit 1 and the heat storage unit 2 are connected to each other through a connecting gas pipe 27 and a connecting liquid pipe 28, and are provided with a compressor 10, a four-way switching valve 11, an outdoor heat exchanger 12, and an outdoor throttle mechanism.
13, the heat storage side expansion mechanism 23 and the heat storage heat exchanger 21 constitute a heat pump cycle. The plurality of indoor units 3A, 3B, 3C are connected in parallel to the heat storage tank 20 of the heat storage unit 2 via water pipes 34, 35, and the water pipe 35 is provided with a water pump 26.
【０００５】しかして、蓄冷運転時、圧縮機10から吐出
されたガス冷媒は四方切換弁11を経て室外熱交換器12に
入り、ここで室外フアン16により送風される外気に放熱
することによって凝縮液化する。During the cold storage operation, the gas refrigerant discharged from the compressor 10 enters the outdoor heat exchanger 12 via the four-way switching valve 11 and condenses by radiating heat to the outside air blown by the outdoor fan 16. Liquefy.
【０００６】この液冷媒は逆止弁14及び接続液管28を経
て蓄熱ユニット２に送られ、その電磁弁24を経て蓄熱側
絞り機構22で絞られることによって断熱膨張した後、蓄
熱熱交換器21を流過する過程で管外の水25を冷却するこ
とによって蒸発気化する。このガス冷媒は電磁弁24、接
続ガス管27を経て室外ユニット１に戻り、その四方切換
弁11、アキュムレータ15を経て圧縮機10に吸入される。This liquid refrigerant is sent to the heat storage unit 2 via the check valve 14 and the connecting liquid pipe 28, and is adiabatically expanded by being throttled by the heat storage side throttle mechanism 22 via the solenoid valve 24. In the process of flowing through the water 21, the water 25 outside the pipe is cooled and evaporated. The gas refrigerant returns to the outdoor unit 1 via the electromagnetic valve 24 and the connecting gas pipe 27, and is sucked into the compressor 10 via the four-way switching valve 11 and the accumulator 15.
【０００７】冷房運転時には水ポンプ26が運転され、か
つ、室内ユニット3A、3B、3Cの電磁弁33が開とされ、か
つ、室内フアン32が運転される。これによって蓄熱槽20
内の冷水が水ポンプ26、水配管35を経て各室内ユニット
3A、3B、3Cに送られ、その電磁弁33を経て室内熱交換器
31に入り、室内フアン32により送風される室内空気を冷
却することによって昇温した後、水配管34を経て蓄熱槽
20内に戻る。During the cooling operation, the water pump 26 is operated, the solenoid valves 33 of the indoor units 3A, 3B, 3C are opened, and the indoor fan 32 is operated. This allows the heat storage tank 20
The cold water inside passes through the water pump 26 and the water pipe 35
Sent to 3A, 3B, 3C and passed through the solenoid valve 33 to the indoor heat exchanger
After entering the room 31 and cooling the room air blown by the indoor fan 32 to raise the temperature, the heat storage tank passes through a water pipe 34.
Return to within 20.
【０００８】蓄熱運転時には四方切換弁11が上記と逆に
切り換えられることによって冷媒は上記と逆に循環し、
この蓄熱運転によって蓄熱槽20内の水25が温められる。
そして、暖房運転時、水ポンプ26を運転すると同時に室
内ユニット3A、3B、3Cの電磁弁33を開き、かつ、室内フ
アン32を運転することによって蓄熱槽20内の温水が室内
熱交換器31を流過して室内空気が暖められる。During the heat storage operation, the refrigerant circulates in the opposite direction by switching the four-way switching valve 11 in the opposite direction,
By this heat storage operation, the water 25 in the heat storage tank 20 is warmed.
Then, at the time of the heating operation, at the same time as operating the water pump 26, the electromagnetic valves 33 of the indoor units 3A, 3B, and 3C are opened, and the indoor fan 32 is operated so that the hot water in the heat storage tank 20 causes the indoor heat exchanger 31 to operate. The room air is heated by flowing.
【０００９】[0009]
【発明が解決しようとする課題】上記従来の蓄熱式空気
調和機においては、その蓄冷運転時、室外熱交換器12で
熱が利用されることなく無為に外気に捨てられるという
問題があった。In the above-mentioned conventional regenerative air conditioner, there is a problem that the heat is not used by the outdoor heat exchanger 12 and is discarded to the outside air without any heat during the cold storage operation.
【００１０】また、ヒートポンプサイクル中にＲ−22か
らなる冷媒が充填されているので、蓄熱運転時、蓄熱槽
20内の水25を約60℃にしか上昇させることができないと
いう問題があった。In addition, since the refrigerant made of R-22 is charged during the heat pump cycle, the heat storage tank is used during the heat storage operation.
There was a problem that water 25 in 20 could only be raised to about 60 ° C.
【００１１】[0011]
【課題を解決するための手段】本発明は上記課題を解決
するために発明されたものであって、第１の発明の要旨
とするところは、圧縮機、四方切換弁、室外熱交換器、
室外側絞り機構、蓄熱側絞り機構及び蓄熱熱交換器をこ
の順に冷媒配管にて接続してヒートポンプサイクルを構
成し、上記圧縮機、四方切換弁、室外熱交換器及び室外
側絞り機構を具備した室外ユニットと、上記蓄熱熱交換
器を収容し、内部に水を充填した蓄熱槽及び上記蓄熱側
絞り機構を具備した蓄熱ユニットと、この蓄熱ユニット
の蓄熱槽に水配管及び水ポンプを介して接続されて室内
を冷房又は暖房する複数の室内ユニットからなる蓄熱式
空気調和機において、上記圧縮機からの吐出ガスと貯湯
槽からポンプを介して循環される水とを熱交換して水を
温める水熱交換器及び温められた水を蓄える貯湯槽を具
備した給湯ユニットを設け、この給湯ユニットの水熱交
換器を上記ヒートポンプサイクルの液冷媒配管と上記圧
縮機の吐出配管との間に接続したことを特徴とする蓄熱
式空気調和機にある。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and the gist of the first invention is to provide a compressor, a four-way switching valve, an outdoor heat exchanger,
The outdoor-side throttle mechanism, the heat-storage-side throttle mechanism, and the heat-storage heat exchanger were connected in this order by refrigerant piping to form a heat pump cycle, and the compressor, the four-way switching valve, the outdoor heat exchanger, and the outdoor-side throttle mechanism were provided. An outdoor unit, a heat storage unit that houses the heat storage heat exchanger and is filled with water, and a heat storage unit that includes the heat storage side throttle mechanism, and is connected to the heat storage tank of the heat storage unit via a water pipe and a water pump. In a regenerative air conditioner comprising a plurality of indoor units that cools or heats a room, water that heats water by exchanging heat between gas discharged from the compressor and water circulated from a hot water storage tank via a pump. A hot water supply unit having a heat exchanger and a hot water storage tank for storing warmed water is provided, and a water heat exchanger of the hot water supply unit is connected to a liquid refrigerant pipe of the heat pump cycle and a discharge pipe of the compressor. In the heat storage type air conditioner, characterized in that connected between.
【００１２】他の特徴とするところは、上記給湯ユニッ
トの水熱交換器と貯湯槽を接続する水配管の入口端と出
口端との間に上記水熱交換器の出口水温により開閉され
る電動弁を有する水バイパス流路を設けたことにある。Another feature is that an electric motor which is opened and closed by an outlet water temperature of the water heat exchanger between an inlet end and an outlet end of a water pipe connecting the water heat exchanger of the hot water supply unit and the hot water storage tank. That is, a water bypass passage having a valve is provided.
【００１３】他の特徴とするところは、上記ヒートポン
プサイクルの上記四方切換弁と室外熱交換器間とを繋ぐ
冷媒配管と、上記四方切換弁と蓄熱熱交換器とを繋ぐ冷
媒配管との間に電磁弁を有する冷媒溜り込み防止回路を
設けたことにある。Another feature is that a refrigerant pipe connecting the four-way switching valve and the outdoor heat exchanger of the heat pump cycle and a refrigerant pipe connecting the four-way switching valve and the heat storage heat exchanger are provided. That is, a refrigerant accumulation preventing circuit having an electromagnetic valve is provided.
【００１４】他の特徴とするところは、上記圧縮機の吐
出配管から水熱交換器へ分岐する冷媒配管の分岐部分
に、上記水熱交換器に供給される吐出冷媒ガスを調整す
る調整弁を設けたことにある。Another feature is that an adjusting valve for adjusting the discharge refrigerant gas supplied to the water heat exchanger is provided at a branch portion of the refrigerant pipe branching from the discharge pipe of the compressor to the water heat exchanger. It has been provided.
【００１５】更に他の特徴とするところは、上記ヒート
ポンプサイクル中にＨＦＣ134 からなる冷媒を充填した
ことにある。Still another feature is that a refrigerant composed of HFC134 is charged during the heat pump cycle.
【００１６】[0016]
【発明の実施の形態】本発明の実施形態が図１に示され
ている。４は給湯ユニットで、圧縮機10からの吐出冷媒
ガスと水とを熱交換させて水を温める水熱交換器41及び
この水熱交換器41と水配管45、46を介して接続され、温
められた水56を蓄える貯湯槽44を具備している。水配管
45には水ポンプ42が介装され、また、水配管45の出口端
と水配管46の入口端との間に接続された水バイパス流路
47には水熱交換器41の出口水温に応じて開閉される電動
弁43が介装されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention is shown in FIG. Reference numeral 4 denotes a hot water supply unit, which heat-exchanges the refrigerant gas discharged from the compressor 10 with water to heat the water, and is connected to the water heat exchanger 41 via water pipes 45 and 46 to heat the water. A hot water storage tank 44 for storing the water 56 is provided. Water plumbing
A water pump 42 is interposed in 45, and a water bypass passage connected between an outlet end of the water pipe 45 and an inlet end of the water pipe 46.
The 47 is provided with an electric valve 43 that is opened and closed according to the outlet water temperature of the water heat exchanger 41.
【００１７】水熱交換器41は冷媒回路48を介して圧縮機
10の吐出管17に接続され、この冷媒回路48には電磁弁18
が介装されている。また、水熱交換器41は冷媒配管49を
介してヒートポンプサイクルの液冷媒配管53に接続さ
れ、この冷媒配管49には電磁弁51が介装されている。The water heat exchanger 41 is connected to a compressor via a refrigerant circuit 48.
The refrigerant circuit 48 is connected to the solenoid valve 18
Is interposed. The water heat exchanger 41 is connected to a liquid refrigerant pipe 53 of a heat pump cycle via a refrigerant pipe 49, and the refrigerant pipe 49 is provided with an electromagnetic valve 51.
【００１８】そして、四方切換弁11と室外熱交換器12と
を繋ぐ冷媒配管54と、四方切換弁11と蓄熱熱交換器21と
を繋ぐ冷媒配管55とは冷媒溜り込み防止回路52を介して
互いに接続され、この冷媒溜り込み防止回路52には電磁
弁50が介装されている。A refrigerant pipe 54 connecting the four-way switching valve 11 and the outdoor heat exchanger 12 and a refrigerant pipe 55 connecting the four-way switching valve 11 and the heat storage heat exchanger 21 are connected via a refrigerant accumulation preventing circuit 52. The refrigerant accumulation preventing circuit 52 is connected to each other, and an electromagnetic valve 50 is interposed.
【００１９】そして、圧縮機の吐出管17には冷媒配管48
の分岐部分と四方切換弁11との間に水熱交換器41に供給
される吐出冷媒ガスの量を調整する調整弁19が介装され
ている。A refrigerant pipe 48 is connected to the discharge pipe 17 of the compressor.
An adjustment valve 19 for adjusting the amount of the discharged refrigerant gas supplied to the water heat exchanger 41 is interposed between the branching portion and the four-way switching valve 11.
【００２０】また、ヒートポンプサイクル中にはＨＦＣ
134aからなる冷媒が充填されている。他の構成は図２に
示す従来のものと同様であり、対応する部材には同じ符
号を付してその説明を省略する。During the heat pump cycle, HFC
It is filled with a refrigerant consisting of 134a. The other configuration is the same as that of the conventional one shown in FIG. 2, and the corresponding members are denoted by the same reference numerals and description thereof will be omitted.
【００２１】しかして、蓄冷運転時、即ち、蓄熱槽20内
の水25を冷却してここに冷熱を蓄える場合には、調整弁
19が閉、電磁弁18、51、24が開とされ、かつ、水ポンプ
42が運転され、室外フアン16が停止される。In the cold storage operation, that is, when the water 25 in the heat storage tank 20 is cooled to store cold heat therein, the regulating valve is used.
19 is closed, solenoid valves 18, 51 and 24 are opened, and the water pump
42 is operated, and the outdoor fan 16 is stopped.
【００２２】すると、圧縮機10から吐出されたガス冷媒
は吐出管17から冷媒配管48及びこれに介装された電磁弁
18を通って水熱交換器41に入る。一方、水ポンプ42が運
転されることによって貯湯槽44内に貯溜された水56は水
配管46、水熱交換器41、水配管45及びこれに介装された
水ポンプ42をこの順に経て貯湯槽44に循環し、水熱交換
器41を流過する過程でガス冷媒と熱交換することによっ
て温められる。Then, the gas refrigerant discharged from the compressor 10 flows from the discharge pipe 17 to the refrigerant pipe 48 and the electromagnetic valve interposed in the refrigerant pipe 48.
Enter the water heat exchanger 41 through 18. On the other hand, the water 56 stored in the hot water storage tank 44 by the operation of the water pump 42 passes through the water pipe 46, the water heat exchanger 41, the water pipe 45, and the water pump 42 interposed therebetween in this order. In the process of circulating in the tank 44 and flowing through the water heat exchanger 41, it is heated by exchanging heat with the gas refrigerant.
【００２３】水熱交換器41内に入ったガス冷媒は水と熱
交換することによって凝縮して液冷媒となり、冷媒配管
49及びこれに介装された電磁弁51を経て液冷媒配管53に
入る。The gas refrigerant entering the water heat exchanger 41 is condensed by exchanging heat with water to become a liquid refrigerant.
It enters the liquid refrigerant pipe 53 via 49 and an electromagnetic valve 51 interposed therein.
【００２４】次いで、この液冷媒は接続液管28を経て蓄
熱ユニット２に送られ、その電磁弁24を経て蓄熱側絞り
機構22で絞られることによって断熱膨張した後、蓄熱熱
交換器21に入り、ここで管外の水25を冷却することによ
って蒸発気化した後、冷媒配管55、接続ガス管27を経て
室外ユニット１に送られ、その四方切換弁11及びアキュ
ムレータ15を経て圧縮機10に吸入される。Next, the liquid refrigerant is sent to the heat storage unit 2 via the connecting liquid pipe 28, and is adiabatically expanded by being throttled by the heat storage side throttle mechanism 22 via the solenoid valve 24, and then enters the heat storage heat exchanger 21. Here, after evaporating by cooling the water 25 outside the pipe, it is sent to the outdoor unit 1 through the refrigerant pipe 55 and the connecting gas pipe 27, and is sucked into the compressor 10 through the four-way switching valve 11 and the accumulator 15. Is done.
【００２５】この蓄冷運転中、調整弁19が閉とされるの
で、この調整弁19から四方切換弁11、室外熱交換器12を
経て室外側絞り機構13に至る系路内に冷媒が溜り込みヒ
ートポンプサイクルを循環する冷媒量が不足する場合が
ある。During the cold storage operation, the regulating valve 19 is closed, so that the refrigerant is accumulated in a system path from the regulating valve 19 to the outdoor throttle mechanism 13 through the four-way switching valve 11 and the outdoor heat exchanger 12. The amount of refrigerant circulating in the heat pump cycle may be insufficient.
【００２６】この場合には冷媒溜り込み防止回路52に介
装された電磁弁50を開とすることによって上記系路内に
溜り込んだ冷媒が冷媒配管54、冷媒溜り込み防止回路52
及びこれに介装された電磁弁50を経て冷媒配管55に入
り、この中を流れるガス冷媒に伴われて四方切換弁11、
アキュムレータ15を経て圧縮機10に吸入されるので、ヒ
ートポンプサイクルを循環する冷媒量が不足するのを防
止できる。In this case, by opening the solenoid valve 50 interposed in the refrigerant accumulation preventing circuit 52, the refrigerant accumulated in the above-mentioned system path is cooled by the refrigerant pipe 54 and the refrigerant accumulation preventing circuit 52.
And enters the refrigerant pipe 55 via the solenoid valve 50 interposed therein, and the four-way switching valve 11,
Since the refrigerant is sucked into the compressor 10 through the accumulator 15, it is possible to prevent the amount of refrigerant circulating in the heat pump cycle from becoming insufficient.
【００２７】この蓄冷運転の初期等水熱交換器41出口の
水温が設定温度より低い場合には電動弁43が開となり、
水熱交換器41から流出した水が水ポンプ42、水バイパス
流路47及びこれに介装された電動弁43、水配管46をこの
順に経て水熱交換器41に循環する。When the water temperature at the outlet of the water heat exchanger 41 is lower than the set temperature, for example, at the beginning of the cold storage operation, the electric valve 43 is opened,
The water flowing out of the water heat exchanger 41 is circulated to the water heat exchanger 41 through the water pump 42, the water bypass channel 47, the electric valve 43 interposed in the water pump channel 47, and the water pipe 46 in this order.
【００２８】これによって熱負荷が低減するので、圧縮
機10の吐出圧力をその使用下限以上に上昇させることが
でき、従って、圧縮機10の運転停止を防止することがで
きる。また、調整弁19の開度を調整して水熱交換器41に
供給される吐出冷媒ガス量を加減すれば、圧縮機10の吐
出圧力が使用上限範囲を越えて上昇するのを防止でき
る。水熱交換器41出口の水温が設定温度以上に上昇すれ
ば、電動弁43が閉となる。As a result, the heat load is reduced, so that the discharge pressure of the compressor 10 can be increased to the lower limit of use or less, so that the operation stop of the compressor 10 can be prevented. Further, if the opening degree of the regulating valve 19 is adjusted to increase or decrease the amount of the discharged refrigerant gas supplied to the water heat exchanger 41, it is possible to prevent the discharge pressure of the compressor 10 from exceeding the upper limit of use. When the water temperature at the outlet of the water heat exchanger 41 rises above the set temperature, the electric valve 43 is closed.
【００２９】そして、ヒートポンプサイクルに従来の冷
媒Ｒ−22に代えてＨＦＣ134aからなる冷媒を封入して置
けば、圧縮機10から吐出された冷媒ガスの温度は高圧圧
力スイッチの上限圧力30Kg/Cm2G で約85℃となるので、
貯湯槽44内の水56を約75〜80℃まで上昇させることが可
能となる。If a refrigerant made of HFC134a is sealed and placed in the heat pump cycle instead of the conventional refrigerant R-22, the temperature of the refrigerant gas discharged from the compressor 10 becomes 30 Kg / Cm 2 of upper limit pressure of the high pressure switch. Since it will be about 85 ° C at G,
Water 56 in hot water storage tank 44 can be raised to about 75 to 80 ° C.
【００３０】この蓄冷運転によって貯湯槽44内の水56が
十分に温められた場合には、電磁弁18、51を閉、調整弁
19、電磁弁24を開、ポンプ42を停止して室外フアン16を
運転する。When the water 56 in the hot water storage tank 44 is sufficiently warmed by the cold storage operation, the solenoid valves 18 and 51 are closed, and the regulating valve is closed.
19. The electromagnetic valve 24 is opened, the pump 42 is stopped, and the outdoor fan 16 is operated.
【００３１】かくして、圧縮機10から吐出された冷媒は
従来のものと同様吐出配管17、調整弁19、四方切換弁1
1、接続ガス管27、冷媒配管55、蓄熱熱交換器21、逆止
弁23、電磁弁24、接続液管28、液冷媒配管53、室外側絞
り機構13、室外熱交換器12、冷媒配管54、四方切換弁1
1、アキュムレータ15をこの順に経て圧縮機10に吸入さ
れる。Thus, the refrigerant discharged from the compressor 10 is supplied to the discharge pipe 17, the regulating valve 19, the four-way switching valve 1 in the same manner as the conventional one.
1, connecting gas pipe 27, refrigerant pipe 55, heat storage heat exchanger 21, check valve 23, solenoid valve 24, connecting liquid pipe 28, liquid refrigerant pipe 53, outdoor throttle mechanism 13, outdoor heat exchanger 12, refrigerant pipe 54, 4-way switching valve 1
1. It is sucked into the compressor 10 through the accumulator 15 in this order.
【００３２】蓄冷運転を暫時継続することによって蓄熱
槽20内の水が十分に冷却された時点で蓄冷運転を終了す
る。蓄冷運転中又はその終了後、冷房運転する場合には
水ポンプ26を運転すると同時に各室内ユニット3A、3B、
3Cの電磁弁33を開とし、かつ、室内フアン32を運転す
る。The cold storage operation is terminated when the water in the heat storage tank 20 is sufficiently cooled by continuing the cold storage operation for a while. During or after the cold storage operation, when performing the cooling operation, at the same time as operating the water pump 26, each indoor unit 3A, 3B,
The 3C solenoid valve 33 is opened, and the indoor fan 32 is operated.
【００３３】すると、蓄熱槽20内の冷水が水ポンプ26、
水配管35を経て各室内ユニット3A、3B、3Cに送られ、そ
の電磁弁33を経て室内熱交換器31で室内フアン32により
送風される室内空気を冷却した後、水配管34を経て蓄熱
槽20に循環する。また、蓄冷運転中又はその終了後、貯
湯槽44内の温水を取り出して需要先に供給することがで
きる。Then, the cold water in the heat storage tank 20 is supplied to the water pump 26,
After being sent to each of the indoor units 3A, 3B, and 3C through the water pipe 35, and cooling the indoor air blown by the indoor fan 32 in the indoor heat exchanger 31 through the solenoid valve 33, the heat storage tank is passed through the water pipe 34. Cycle to 20. Further, during or after the cold storage operation, the hot water in the hot water storage tank 44 can be taken out and supplied to the demand destination.
【００３４】蓄熱槽20内の水25を冷却する必要はない
が、貯湯槽44内の水を加熱する必要がある場合には調整
弁19、電磁弁24が閉とされ、電磁弁18、51が開とされ、
室外フアン16及び水ポンプ42が運転される。かくして、
圧縮機10から吐出されたガス冷媒は吐出管17から冷媒配
管48及びこれに介装された電磁弁18を経て水熱交換器41
に入り、ここで水を加熱することによって凝縮液化した
後、冷媒配管49及びこれに介装された電磁弁51を経て液
冷媒配管53に入る。Although it is not necessary to cool the water 25 in the heat storage tank 20, when it is necessary to heat the water in the hot water tank 44, the regulating valve 19 and the solenoid valve 24 are closed, and the solenoid valves 18 and 51 are closed. Is opened,
The outdoor fan 16 and the water pump 42 are operated. Thus,
The gas refrigerant discharged from the compressor 10 flows from the discharge pipe 17 through the refrigerant pipe 48 and the electromagnetic valve 18 interposed therebetween to the water heat exchanger 41.
After the water is condensed and liquefied by heating the water, it enters the liquid refrigerant pipe 53 via a refrigerant pipe 49 and an electromagnetic valve 51 interposed therebetween.
【００３５】次いで、この液冷媒は室外側絞り機構13で
断熱膨張して室外熱交換器12に入り、ここで室外フアン
16により送風される外気から吸熱して蒸発気化した後四
方切換弁11、アキュムレータ15を経て圧縮機10に戻る。Next, the liquid refrigerant adiabatically expands in the outdoor throttle mechanism 13 and enters the outdoor heat exchanger 12, where it is connected to the outdoor fan.
After absorbing heat from the outside air blown by 16 and evaporating it, it returns to the compressor 10 via the four-way switching valve 11 and the accumulator 15.
【００３６】この際、調整弁19から四方切換弁11、接続
ガス管27、冷媒配管55、蓄熱熱交換器21、逆止弁23を経
て電磁弁24に至る系路内に冷媒が溜り込むが、この冷媒
は電磁弁50を開くことによって冷媒配管55から冷媒溜り
込み防止回路52を経て冷媒配管54内に入り、この中を流
過するガス冷媒に伴われて四方切換弁11、アキュムレー
タ15を経て圧縮機10に戻るので、冷媒循環量が不足する
のを防止できる。At this time, the refrigerant accumulates in the system path from the regulating valve 19 to the solenoid valve 24 via the four-way switching valve 11, the connecting gas pipe 27, the refrigerant pipe 55, the heat storage heat exchanger 21, and the check valve 23. The refrigerant enters the refrigerant pipe 54 from the refrigerant pipe 55 through the refrigerant accumulation prevention circuit 52 by opening the solenoid valve 50, and the four-way switching valve 11 and the accumulator 15 accompany the gas refrigerant flowing therethrough. Since the refrigerant returns to the compressor 10 via the compressor 10, the shortage of the refrigerant circulation amount can be prevented.
【００３７】蓄熱運転時には四方切換弁11が上記蓄冷運
転時と逆に切り換えられ、電磁弁18、50、51が閉、電磁
弁24、調整弁19が開とされ、室外フアン16が運転され
る。これによって圧縮機10から吐出された冷媒は調整弁
19、四方切換弁11、接続ガス管27、冷媒配管55を経て蓄
熱熱交換器21に入り、ここで管外の水25に放熱してこれ
を加熱することによって凝縮液化する。At the time of the heat storage operation, the four-way switching valve 11 is switched in the opposite manner to that at the time of the cold storage operation, the solenoid valves 18, 50 and 51 are closed, the solenoid valves 24 and the regulating valve 19 are opened, and the outdoor fan 16 is operated. . This causes the refrigerant discharged from the compressor 10 to flow through the regulating valve.
19. The heat enters the heat storage heat exchanger 21 via the four-way switching valve 11, the connecting gas pipe 27, and the refrigerant pipe 55, where it radiates heat to water 25 outside the pipe and heats it to condense and liquefy.
【００３８】次いで、この液冷媒の逆止弁23、電磁弁2
4、接続液管28、液冷媒配管53を経て室外側絞り機構13
で断熱膨張した後、室外熱交換器12で室外フアン16によ
り送風される外気から吸熱して蒸発気化し、冷媒配管5
4、四方切換弁11、アキュムレータ15を経て圧縮機10に
吸入される。Next, the check valve 23 for the liquid refrigerant, the solenoid valve 2
4, the outdoor throttle mechanism 13 through the connection liquid pipe 28 and the liquid refrigerant pipe 53
After adiabatic expansion in the outdoor heat exchanger 12, the heat is absorbed from the outside air blown by the outdoor fan 16 to evaporate and vaporize, and the refrigerant pipe 5
4. The air is sucked into the compressor 10 via the four-way switching valve 11 and the accumulator 15.
【００３９】この蓄熱運転中又はその終了後、暖房運転
する場合には水ポンプ26を運転すると同時に室内ユニッ
ト3A、3B、3Cの電磁弁33を開とし、かつ、室内フアン32
を運転する。During or after the heat storage operation, when performing the heating operation, the water pump 26 is operated, and at the same time, the solenoid valves 33 of the indoor units 3A, 3B, and 3C are opened, and the indoor fan 32 is opened.
To drive.
【００４０】かくして、蓄熱槽20内の温水が水配管35、
水ポンプ26、電磁弁33を経て室内熱交換器31に入り、こ
こで室内フアン32により送風される室内空気を加熱する
ことによって降温した後、水配管34を経て蓄熱槽20内に
戻る。Thus, the hot water in the heat storage tank 20 is
After entering the indoor heat exchanger 31 via the water pump 26 and the solenoid valve 33, the indoor air blown by the indoor fan 32 is heated to lower the temperature, and then returns to the heat storage tank 20 via the water pipe 34.
【００４１】[0041]
【発明の効果】本発明においては、蓄冷運転時、圧縮機
からの吐出ガスは吐出配管から給湯ユニットの水熱交換
器を経てヒートポンプサイクルの液冷媒配管に導かれ、
水熱交換器を流過する過程で貯湯槽からポンプを介して
循環せしめられる水と熱交換してこれを温め、温められ
た水を貯湯槽に貯えるので、ヒートポンプの熱を室外熱
交換器から無為に外気に捨てることなく温水の加熱に有
効に利用できる。According to the present invention, during the cold storage operation, the discharge gas from the compressor is guided from the discharge pipe through the water heat exchanger of the hot water supply unit to the liquid refrigerant pipe of the heat pump cycle,
In the process of flowing through the water heat exchanger, heat is exchanged with the water circulated from the hot water storage tank via the pump to warm it, and the heated water is stored in the hot water storage tank, so the heat of the heat pump is transferred from the outdoor heat exchanger. It can be effectively used for heating hot water without being discarded outside.
【００４２】給湯ユニットの水熱交換器と貯湯槽を接続
する水配管の入口端と出口端との間に水熱交換器の出口
水温により開閉される電動弁を有する水バイパス流路を
設ければ、蓄冷運転の開始時等貯湯槽の出口水温が低い
場合には電動弁が開となり、水熱交換器で温められた温
水は貯湯槽をバイパスして水バイパス流路を経て循環す
るので、熱負荷が低減し、この結果、圧縮機の吐出圧力
をその使用下限圧力以上に早急に上昇させることができ
るので圧縮機の運転停止を防止しうる。A water bypass passage having a motor-operated valve which is opened and closed by an outlet water temperature of the water heat exchanger is provided between an inlet end and an outlet end of a water pipe connecting the water heat exchanger of the hot water supply unit and the hot water storage tank. For example, when the outlet water temperature of the hot water storage tank is low, such as at the start of the cold storage operation, the electric valve is opened, and the hot water warmed by the water heat exchanger bypasses the hot water storage tank and circulates through the water bypass flow path. The heat load is reduced, and as a result, the discharge pressure of the compressor can be quickly increased to the minimum use pressure or less, so that the operation stop of the compressor can be prevented.
【００４３】ヒートポンプサイクルの四方切換弁と室外
熱交換器間とを繋ぐ冷媒配管と、四方切換弁と蓄熱熱交
換器とを繋ぐ冷媒配管との間に電磁弁を有する冷媒溜り
込み防止回路を設ければ、室外熱交換器又は蓄熱熱交換
器を使用しないとき、これらの内部に溜り込んだ冷媒を
電磁弁を開とすることによって溜り込み防止回路、四方
切換弁を経て圧縮機に吸入させることができるので、冷
媒循環量が不足するのを防止できる。A refrigerant accumulation preventing circuit having an electromagnetic valve is provided between a refrigerant pipe connecting the four-way switching valve of the heat pump cycle and the outdoor heat exchanger and a refrigerant pipe connecting the four-way switching valve and the heat storage heat exchanger. If the outdoor heat exchanger or the heat storage heat exchanger is not used, the refrigerant accumulated inside these can be sucked into the compressor via the accumulation prevention circuit and the four-way switching valve by opening the solenoid valve. Therefore, shortage of the circulation amount of the refrigerant can be prevented.
【００４４】圧縮機の吐出配管から水熱交換器へ分岐す
る冷媒配管の分岐部分に、水熱交換器に供給される吐出
冷媒ガスを調整する調整弁を設ければ、蓄冷運転時、貯
湯槽内の水温が設定温度以上になったとき調整弁の開度
を調整して圧縮機から吐出された冷媒ガスを水熱交換器
のみならず室外熱交換器にも供給することによって圧縮
機の吐出圧力を使用上限を越えて上昇するのを防止する
ことができる。If a regulating valve for regulating the refrigerant gas discharged to the water heat exchanger is provided at the branch of the refrigerant pipe branching from the discharge pipe of the compressor to the water heat exchanger, the hot water storage tank can be used during the cold storage operation. When the internal water temperature rises above the set temperature, the opening of the regulating valve is adjusted to supply the refrigerant gas discharged from the compressor not only to the water heat exchanger but also to the outdoor heat exchanger to discharge the compressor. The pressure can be prevented from rising above the upper limit of use.
【００４５】ヒートポンプサイクル中にＨＦＣ134aから
なる冷媒を充填すれば、Ｒ−22からなる冷媒を充填して
なる従来のものに比し貯湯槽内の温水の温度を高くする
ことができる。If the refrigerant composed of HFC134a is charged during the heat pump cycle, the temperature of the hot water in the hot water tank can be made higher than that of the conventional refrigerant filled with the refrigerant composed of R-22.
【図１】本発明の第１の実施形態を示す系統図である。FIG. 1 is a system diagram showing a first embodiment of the present invention.
【図２】従来の蓄熱式空気調和機の系統図である。FIG. 2 is a system diagram of a conventional regenerative air conditioner.
3A、3B、3C 室内ユニット 31 室内熱交換器 32 室内フアン 33 電磁弁 １ 室外ユニット 10 圧縮機 17 吐出配管 11 四方切換弁 12 室外熱交換器 16 室外フアン 13 室外側絞り機構 14 逆止弁 53 液冷媒配管 15 アキュムレータ 27 接続ガス管 28 接続液管 ２ 蓄熱ユニット 20 蓄熱槽 21 蓄熱熱交換器 22 蓄熱側絞り機構 23 逆止弁 25 水 26 水ポンプ 34、35 水配管 18、24、51 電磁弁 48、49、54、55 冷媒配管 19 調整弁 ４ 給湯ユニット 41 水熱交換器 42 ポンプ 45、46 水配管 47 水バイパス流路 43 電動弁 44 貯湯槽 52 冷媒液溜り込み防止回路 50 電磁弁 3A, 3B, 3C Indoor unit 31 Indoor heat exchanger 32 Indoor fan 33 Solenoid valve 1 Outdoor unit 10 Compressor 17 Discharge piping 11 Four-way switching valve 12 Outdoor heat exchanger 16 Outdoor fan 13 Outdoor throttle mechanism 14 Check valve 53 Liquid Refrigerant piping 15 Accumulator 27 Connecting gas pipe 28 Connecting liquid pipe 2 Heat storage unit 20 Heat storage tank 21 Heat storage heat exchanger 22 Heat storage side throttle mechanism 23 Check valve 25 Water 26 Water pump 34, 35 Water pipe 18, 24, 51 Solenoid valve 48 , 49, 54, 55 Refrigerant piping 19 Regulator valve 4 Hot water supply unit 41 Water heat exchanger 42 Pump 45, 46 Water piping 47 Water bypass passage 43 Electric valve 44 Hot water storage tank 52 Refrigerant liquid accumulation prevention circuit 50 Solenoid valve
─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成９年９月４日[Submission date] September 4, 1997
【手続補正１】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００４[Correction target item name] 0004
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【０００４】室外ユニット１と蓄熱ユニット２とは接続
ガス管２７及び接続液管２８を介して互いに接続され、
圧縮機１０、四方切換弁１１、室外熱交換器１２、室外
側絞り機構１３、蓄熱側絞り機構２２、蓄熱熱交換器２
１によってヒートポンプサイクルが構成されている。複
数台の室内ユニット３Ａ、３Ｂ、３Ｃは水配管３４、３
５を介して蓄熱ユニット２の蓄熱槽２０に並列に接続さ
れ、水配管３５には水ポンプ３６が介装されている。[0004] The outdoor unit 1 and the heat storage unit 2 are connected to each other via a connecting gas pipe 27 and a connecting liquid pipe 28.
Compressor 10, four-way switching valve 11, outdoor heat exchanger 12, outdoor throttle mechanism 13, heat storage side throttle mechanism 22, heat storage heat exchanger 2
1 constitutes a heat pump cycle. The plurality of indoor units 3A, 3B, and 3C are
5 and connected in parallel to the heat storage tank 20 of the heat storage unit 2, and a water pipe 35 is provided with a water pump 36.
【手続補正２】[Procedure amendment 2]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００９[Correction target item name] 0009
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【０００９】[0009]
【発明が解決しようとする課題】上記従来の蓄熱式空気
調和機においては、その蓄冷運転時、室外熱交換器１２
から熱が無為に外気に捨てられるという問題があった。In the above-described conventional regenerative air conditioner, during the cold storage operation, the outdoor heat exchanger 12 is operated.
There was a problem that heat was inadvertently dumped into the open air.
【手続補正３】[Procedure amendment 3]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１５[Correction target item name] 0015
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【００１５】更に他の特徴とするところは、上記ヒート
ポンプサイクル中にＨＦＣ１３４ａからなる冷媒を充填
したことにある。Still another feature is that a refrigerant made of HFC134a is charged during the heat pump cycle.
【手続補正４】[Procedure amendment 4]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００２５[Correction target item name] 0025
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【００２５】蓄熱熱交換器２１又は室外熱交換器１２を
使用しない運転モード時、これら蓄熱熱交換器２１又は
室外熱交換器１２の中に液冷媒が残っていると、ヒート
ポンプサイクルを循環する冷媒量が不足する場合があ
る。In the operation mode in which the heat storage heat exchanger 21 or the outdoor heat exchanger 12 is not used, if liquid refrigerant remains in the heat storage heat exchanger 21 or the outdoor heat exchanger 12, the refrigerant circulating through the heat pump cycle The amount may be insufficient.
【手続補正５】[Procedure amendment 5]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００２６[Correction target item name] 0026
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【００２６】この場合には冷媒溜り込み防止回路５２に
介装された電磁弁５０を開とすることによってこれら蓄
熱熱交換器２１又は室外熱交換器１２内の液冷媒が冷媒
溜り込み防止回路５２及びこれに介装された電磁弁５０
を経て低圧ガス冷媒に伴われて四方切換弁１１、アキュ
ムレータ１５を経て圧縮機１０に吸入されるので、ヒー
トポンプサイクルを循環する冷媒量が不足するのを防止
できる。In this case, by opening the solenoid valve 50 interposed in the refrigerant accumulation preventing circuit 52, the liquid refrigerant in the heat storage heat exchanger 21 or the outdoor heat exchanger 12 is discharged. And a solenoid valve 50 interposed therein
Then, the refrigerant is sucked into the compressor 10 through the four-way switching valve 11 and the accumulator 15 along with the low-pressure gas refrigerant, so that the shortage of the refrigerant circulating in the heat pump cycle can be prevented.
【手続補正６】[Procedure amendment 6]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００２８[Correction target item name] 0028
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【００２８】これによって熱負荷が低減するので、圧縮
機１０の吐出圧力をその使用下限以上に上昇させること
ができ、従って、圧縮機１０の故障を防止することがで
きる。また、調整弁１９の開度を調整して水熱交換器４
１に供給される吐出冷媒ガス量を加減すれば、圧縮機１
０の吐出圧力が使用上限範囲を超えて上昇するのを防止
できる。水熱交換器４１出口の水温が設定温度以上に上
昇すれば、電動弁４３が閉となる。As a result, the heat load is reduced, so that the discharge pressure of the compressor 10 can be increased to a level not lower than its lower limit of use, and therefore, failure of the compressor 10 can be prevented. In addition, the opening degree of the regulating valve 19 is adjusted to adjust the water heat exchanger 4.
If the amount of refrigerant gas discharged to the compressor 1 is adjusted,
The discharge pressure of 0 can be prevented from rising beyond the upper limit of use. When the water temperature at the outlet of the water heat exchanger 41 rises above the set temperature, the electric valve 43 is closed.
【手続補正７】[Procedure amendment 7]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００２９[Correction target item name] 0029
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【００２９】そして、ヒートポンプサイクルに従来の冷
媒Ｒ−２２に代えてＨＦＣ１３４ａからなる冷媒を封入
して置けば、圧縮機１０から吐出された冷媒ガスの温度
は高圧圧力スイッチの上限圧力３０Ｋｇ／Ｃｍ２Ｇで約
８７℃となるので、貯湯槽４４の水５６を約８０℃まで
上昇させることが可能となる。If a refrigerant made of HFC134a is sealed and placed in the heat pump cycle instead of the conventional refrigerant R-22, the temperature of the refrigerant gas discharged from the compressor 10 becomes 30 Kg / Cm 2 of upper limit pressure of the high pressure switch. Since the temperature is about 87 ° C. in G, the water 56 in the hot water storage tank 44 can be raised to about 80 ° C.
【手続補正８】[Procedure amendment 8]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００４２[Correction target item name] 0042
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【００４２】給湯ユニットの水熱交換器と貯湯槽を接続
する水配管の入口端と出口端との間に水熱交換器の出口
水温により開閉される電動弁を有する水バイパス流路を
設ければ、蓄冷運転の開始時等貯湯槽の出口水温が低い
場合には電動弁が開となり、水熱交換器で温められた温
水は貯湯槽をバイパスして水バイパス流路を経て循環す
るので、熱負荷が低減し、この結果、圧縮機の吐出圧力
をその使用下限圧力以上に早急に上昇させることができ
るので圧縮機の故障を防止しうる。A water bypass passage having a motor-operated valve which is opened and closed by an outlet water temperature of the water heat exchanger is provided between an inlet end and an outlet end of a water pipe connecting the water heat exchanger of the hot water supply unit and the hot water storage tank. For example, when the outlet water temperature of the hot water storage tank is low, such as at the start of the cold storage operation, the electric valve is opened, and the hot water warmed by the water heat exchanger bypasses the hot water storage tank and circulates through the water bypass flow path. The heat load is reduced, and as a result, the discharge pressure of the compressor can be rapidly increased to a level equal to or higher than the lower limit pressure of use, so that failure of the compressor can be prevented.
【手続補正９】[Procedure amendment 9]
【補正対象書類名】図面[Document name to be amended] Drawing
【補正対象項目名】図１[Correction target item name] Fig. 1
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図 １】 [Fig. 1]
Claims (5)
外側絞り機構、蓄熱側絞り機構及び蓄熱熱交換器をこの
順に冷媒配管にて接続してヒートポンプサイクルを構成
し、上記圧縮機、四方切換弁、室外熱交換器及び室外側
絞り機構を具備した室外ユニットと、上記蓄熱熱交換器
を収容し、内部に水を充填した蓄熱槽及び上記蓄熱側絞
り機構を具備した蓄熱ユニットと、この蓄熱ユニットの
蓄熱槽に水配管及び水ポンプを介して接続されて室内を
冷房又は暖房する複数の室内ユニットからなる蓄熱式空
気調和機において、 上記圧縮機からの吐出ガスと貯湯槽からポンプを介して
循環される水とを熱交換して水を温める水熱交換器及び
温められた水を蓄える貯湯槽を具備した給湯ユニットを
設け、この給湯ユニットの水熱交換器を上記ヒートポン
プサイクルの液冷媒配管と上記圧縮機の吐出配管との間
に接続したことを特徴とする蓄熱式空気調和機。1. A heat pump cycle comprising a compressor, a four-way switching valve, an outdoor heat exchanger, an outdoor throttle mechanism, a heat storage side throttle mechanism, and a heat storage heat exchanger connected in this order by refrigerant piping. An outdoor unit having a four-way switching valve, an outdoor heat exchanger and an outdoor throttle mechanism, and a heat storage unit containing the heat storage heat exchanger and having a heat storage tank filled with water therein and the heat storage side throttle mechanism. A heat storage air conditioner comprising a plurality of indoor units connected to the heat storage tank of the heat storage unit via a water pipe and a water pump to cool or heat the room, wherein the discharge gas from the compressor and the pump from the hot water tank A water heat exchanger that heats water by exchanging heat with water circulated through the hot water supply unit and a hot water supply unit that includes a hot water storage tank that stores the heated water. Liquid refrigerant pipe Pusaikuru thermal storage type air conditioner, characterized in that connected between the discharge pipe of the compressor.
を接続する水配管の入口端と出口端との間に上記水熱交
換器の出口水温により開閉される電動弁を有する水バイ
パス流路を設けたことを特徴とする請求項１記載の蓄熱
式空気調和機。2. A water bypass flow having an electric valve between an inlet end and an outlet end of a water pipe connecting the water heat exchanger of the hot water supply unit and the hot water storage tank, the motor valve being opened and closed by an outlet water temperature of the water heat exchanger. The regenerative air conditioner according to claim 1, wherein a path is provided.
換弁と室外熱交換器間とを繋ぐ冷媒配管と、上記四方切
換弁と蓄熱熱交換器とを繋ぐ冷媒配管との間に電磁弁を
有する冷媒溜り込み防止回路を設けたことを特徴とする
請求項１記載の蓄熱式空気調和機。3. A refrigerant reservoir having an electromagnetic valve between a refrigerant pipe connecting the four-way switching valve and the outdoor heat exchanger of the heat pump cycle and a refrigerant pipe connecting the four-way switching valve and the heat storage heat exchanger. 2. A regenerative air conditioner according to claim 1, further comprising an intrusion prevention circuit.
分岐する冷媒配管の分岐部分に、上記水熱交換器に供給
される吐出冷媒ガスを調整する調整弁を設けたことを特
徴とする請求項１記載の蓄熱式空気調和機。4. A control valve for adjusting a discharge refrigerant gas supplied to the water heat exchanger at a branch portion of a refrigerant pipe branching from a discharge pipe of the compressor to a water heat exchanger. The regenerative air conditioner according to claim 1.
4aからなる冷媒を充填したことを特徴とする請求項１記
載の蓄熱式空気調和機。5. The method according to claim 5, wherein the HFC13 is used during the heat pump cycle.
The regenerative air conditioner according to claim 1, wherein the air conditioner is filled with a refrigerant comprising 4a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17514497A JPH116665A (en) | 1997-06-17 | 1997-06-17 | Heat-storing-type air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17514497A JPH116665A (en) | 1997-06-17 | 1997-06-17 | Heat-storing-type air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH116665A true JPH116665A (en) | 1999-01-12 |
Family
ID=15991060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17514497A Pending JPH116665A (en) | 1997-06-17 | 1997-06-17 | Heat-storing-type air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH116665A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100345579B1 (en) * | 2000-08-14 | 2002-07-27 | 주식회사 센추리 | The combined Compact Refrigerative / Regenerative Heat-Pump System |
| KR100430238B1 (en) * | 2001-12-24 | 2004-05-17 | 주식회사 세기센추리 | High Temperature Quick boiling Heat Pump Unit for Producing Hot Water |
| KR100493242B1 (en) * | 2002-10-10 | 2005-06-02 | 진금수 | Heat pump system |
| KR100493243B1 (en) * | 2002-10-10 | 2005-06-02 | 진금수 | Heat pump system |
| KR100760211B1 (en) | 2006-09-28 | 2007-09-20 | 이경환 | Cooling device for air conditioning and heating apparatus refrigerant |
| JP2010175106A (en) * | 2009-01-28 | 2010-08-12 | Sanyo Electric Co Ltd | Refrigerating apparatus |
| JP2011149695A (en) * | 2011-05-13 | 2011-08-04 | Mitsubishi Electric Corp | Heat pump device |
| US8015836B2 (en) | 2007-03-27 | 2011-09-13 | Mitsubishi Electric Corporation | Heat pump system |
| EP2402687A1 (en) * | 2009-02-24 | 2012-01-04 | Daikin Industries, Ltd. | Heat pump system |
| US20120036876A1 (en) * | 2009-02-24 | 2012-02-16 | Daikin Industries, Ltd. | Heat pump system |
| KR101136664B1 (en) * | 2010-07-12 | 2012-04-18 | 엘지전자 주식회사 | Heat storage type heating, cooling and hot water supply system |
| JP2012149883A (en) * | 2012-03-29 | 2012-08-09 | Mitsubishi Electric Corp | Heat pump device |
| KR20180026986A (en) * | 2016-09-05 | 2018-03-14 | 엘지전자 주식회사 | Multi air-conditioning system |
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1997
- 1997-06-17 JP JP17514497A patent/JPH116665A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100345579B1 (en) * | 2000-08-14 | 2002-07-27 | 주식회사 센추리 | The combined Compact Refrigerative / Regenerative Heat-Pump System |
| KR100430238B1 (en) * | 2001-12-24 | 2004-05-17 | 주식회사 세기센추리 | High Temperature Quick boiling Heat Pump Unit for Producing Hot Water |
| KR100493242B1 (en) * | 2002-10-10 | 2005-06-02 | 진금수 | Heat pump system |
| KR100493243B1 (en) * | 2002-10-10 | 2005-06-02 | 진금수 | Heat pump system |
| KR100760211B1 (en) | 2006-09-28 | 2007-09-20 | 이경환 | Cooling device for air conditioning and heating apparatus refrigerant |
| JP5197576B2 (en) * | 2007-03-27 | 2013-05-15 | 三菱電機株式会社 | Heat pump equipment |
| US8015836B2 (en) | 2007-03-27 | 2011-09-13 | Mitsubishi Electric Corporation | Heat pump system |
| JP2010175106A (en) * | 2009-01-28 | 2010-08-12 | Sanyo Electric Co Ltd | Refrigerating apparatus |
| US8899067B2 (en) | 2009-01-28 | 2014-12-02 | Sanyo Electric Co., Ltd. | Refrigerating apparatus |
| EP2402687A1 (en) * | 2009-02-24 | 2012-01-04 | Daikin Industries, Ltd. | Heat pump system |
| US20120036876A1 (en) * | 2009-02-24 | 2012-02-16 | Daikin Industries, Ltd. | Heat pump system |
| EP2402687A4 (en) * | 2009-02-24 | 2014-12-24 | Daikin Ind Ltd | Heat pump system |
| US9810466B2 (en) * | 2009-02-24 | 2017-11-07 | Daikin Industries, Ltd. | Heat pump system |
| KR101136664B1 (en) * | 2010-07-12 | 2012-04-18 | 엘지전자 주식회사 | Heat storage type heating, cooling and hot water supply system |
| JP2011149695A (en) * | 2011-05-13 | 2011-08-04 | Mitsubishi Electric Corp | Heat pump device |
| JP2012149883A (en) * | 2012-03-29 | 2012-08-09 | Mitsubishi Electric Corp | Heat pump device |
| KR20180026986A (en) * | 2016-09-05 | 2018-03-14 | 엘지전자 주식회사 | Multi air-conditioning system |
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