JPH0510629A - Refrigerator - Google Patents

Abstract

PURPOSE:To make it possible to operate a refrigerator apparatus for cooling, storing of cold heat, and storing of warm heat and also for storing of cold heat simultaneously with cooling and for storing of warm heat simultaneously with cooling. CONSTITUTION:A compressor 21, heat exchanger 23, heat-storage device 27, and cooler 28 are connected in this sequence in the manner of forming a refrigerating cycle. The direction in which the refrigerant flows in this refrigerating cycle is shifted by a four-way valve 22, and the compressor 21, heat exchanger 23, heat-storage device 27, and cooler 28 are each actuated in accordance with the desired mode of operation.

Description

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

【０００１】[0001]

【産業上の利用分野】この発明は、１つの冷凍サイクル
に熱交換器、蓄熱装置および冷却器を備え、それぞれ必
要に応じて作動させることにより、冷却、蓄冷、蓄暖運
転ならびに蓄冷と冷却、蓄暖と冷却の同時運転ができる
冷凍装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided with a heat exchanger, a heat storage device and a cooler in one refrigeration cycle, and operates as necessary to perform cooling, cold storage, warm storage operation, cold storage and cooling, The present invention relates to a refrigerating device capable of simultaneously performing heat storage and cooling.

【０００２】[0002]

【従来の技術】図３は例えば冷凍空調便覧基礎編（社団
法人．日本冷凍協会．昭56年８月発行）に示されたこの
種従来の冷凍装置の冷凍サイクルを示す図である。図に
おいて、１は圧縮機、２は四方弁、３は熱交換器、４は
絞り装置、５は蓄熱装置であり、これら１ないし５は順
次配管６で接続されて冷凍サイクル20を構成している。2. Description of the Related Art FIG. 3 is a view showing a refrigerating cycle of a conventional refrigerating apparatus of this kind, which is shown in, for example, the Refrigeration and Air Conditioning Handbook Basic Edition (corporate corporation. Japan Refrigeration Association, published in August 1981). In the figure, 1 is a compressor, 2 is a four-way valve, 3 is a heat exchanger, 4 is a throttle device, 5 is a heat storage device, and these 1 to 5 are sequentially connected by a pipe 6 to form a refrigeration cycle 20. There is.

【０００３】上記のように構成された冷凍サイクル20に
おいて、まず蓄冷運転の場合、冷媒は圧縮機１で圧縮さ
れ高温、高圧のガス冷媒となり、図中点線矢印で示す方
向に四方弁２を介して熱交換器３内に送り込まれ、この
熱交換器３内で空気または水等との熱交換により冷却さ
れて凝縮液化し低温の液冷媒となる。そして、絞り装置
４で減圧されて蒸発しやすい低温、低圧の液冷媒とな
り、蓄熱装置５で被蓄冷物としての水と熱交換し蒸発す
ることによってこの水を冷却し、吸熱して高温のガス冷
媒となり四方弁２を介して再び圧縮機１に戻る。In the refrigerating cycle 20 constructed as described above, first, in the cold storage operation, the refrigerant is compressed by the compressor 1 into a high-temperature, high-pressure gas refrigerant, and passes through the four-way valve 2 in the direction indicated by the dotted arrow in the figure. Is sent into the heat exchanger 3 and is cooled by heat exchange with air or water in the heat exchanger 3 to be condensed and liquefied to become a low temperature liquid refrigerant. Then, it becomes a low-temperature, low-pressure liquid refrigerant that is easily depressurized by the expansion device 4 and evaporates. The heat storage device 5 cools this water by exchanging heat by exchanging it with water as a cold storage object, and absorbs heat to generate a high temperature gas. It becomes refrigerant and returns to the compressor 1 again via the four-way valve 2.

【０００４】又、蓄暖運転の場合は、まず、四方弁２が
切り替えられ、冷媒は圧縮機１で圧縮され高温、高圧の
ガス冷媒となり、図中実線矢印で示す方向に四方弁２を
介して蓄熱装置５内に送り込まれ、この蓄熱装置５内で
被蓄熱物としての水と熱交換し、凝縮液化することによ
ってこの水を加熱し、排熱して低温の液冷媒となる。そ
して、絞り装置４で減圧されて蒸発しやすい低温、低圧
の液冷媒となり、熱交換器３で空気または水等との熱交
換によって吸熱して蒸発し、高温のガス冷媒となって四
方弁２を介して再び圧縮機１に戻る。In the case of the warm-up operation, first, the four-way valve 2 is switched, and the refrigerant is compressed by the compressor 1 into a high-temperature, high-pressure gas refrigerant, which passes through the four-way valve 2 in the direction shown by the solid line arrow in the figure. Is sent into the heat storage device 5, and heat-exchanges with water as a heat storage object in the heat storage device 5 to heat the water by condensing and liquefying it, and exhaust heat to become a low-temperature liquid refrigerant. Then, it becomes a low-temperature, low-pressure liquid refrigerant that is easily decompressed by the expansion device 4 and easily evaporated, and absorbs heat by heat exchange with air or water in the heat exchanger 3 to evaporate, and becomes a high-temperature gas refrigerant that becomes the four-way valve 2 Return to the compressor 1 again via.

【０００５】次に、上記のように構成された冷凍サイク
ルを利用した設備の一例について図４を基に説明する。
図において、圧縮機１、四方弁２、熱交換器３、絞り装
置４および蓄熱装置５は図３におけるものと同様であ
る。７は熱交換器３と対応した位置に設けられ、図中矢
印で示すように空気を吸入、排出する送風機、８は室内
に配置される空気調和機で、送風機９および冷温水熱交
換器10で構成されている。11は蓄熱装置５と冷温水熱交
換器10とを接続する配管、12はこの配管11中に接続され
るポンプ、13は空気調和機８と同室内に配置されるショ
ーケースで、絞り装置14および冷却器15を備えている。
16は冷凍機で、絞り装置14、冷却器15、圧縮機17、凝縮
器18および送風機19で構成され、ショーケース13とは配
管21で図５に示すように接続されている。Next, an example of equipment using the refrigerating cycle configured as described above will be described with reference to FIG.
In the figure, the compressor 1, the four-way valve 2, the heat exchanger 3, the expansion device 4, and the heat storage device 5 are the same as those in FIG. 7 is a blower which is provided at a position corresponding to the heat exchanger 3 and sucks and discharges air as indicated by an arrow in the figure, and 8 is an air conditioner which is arranged indoors, and includes a blower 9 and a cold / hot water heat exchanger 10. It is composed of. Reference numeral 11 is a pipe connecting the heat storage device 5 and the hot / cold water heat exchanger 10, 12 is a pump connected in the pipe 11, 13 is a showcase arranged in the same room as the air conditioner 8, and a throttle device 14 And a cooler 15.
Reference numeral 16 denotes a refrigerator, which is composed of an expansion device 14, a cooler 15, a compressor 17, a condenser 18 and a blower 19, and is connected to the showcase 13 through a pipe 21 as shown in FIG.

【０００６】上記のような設備において、まず、蓄冷運
転をする場合は、圧縮機１で冷媒を圧縮して高温、高圧
のガス冷媒とし、四方弁２を介して熱交換器３に送り込
む。この熱交換器３へは送風機７によって空気が流れて
いるので、ガス冷媒はこの空気と熱交換し空気を加熱し
て低温となり、絞り装置４で減圧されて低温、低圧とな
る。そして、蓄熱装置５において被蓄冷物としての水を
冷却する。In the above-mentioned equipment, first, when performing a cold storage operation, the compressor 1 compresses the refrigerant into a high-temperature, high-pressure gas refrigerant, which is sent to the heat exchanger 3 via the four-way valve 2. Since air is flowing to the heat exchanger 3 by the blower 7, the gas refrigerant exchanges heat with the air to heat the air to a low temperature, and the expansion device 4 reduces the pressure to a low temperature and a low pressure. Then, the heat storage device 5 cools water as a cold storage object.

【０００７】又、蓄暖運転の場合は、圧縮機１で圧縮さ
れ高温、高圧となったガス冷媒は、切り替えられた四方
弁２を介して蓄熱装置５に送り込まれ、被蓄暖物として
の水を加熱して低温の液冷媒となり、その後、絞り装置
４で減圧され低温、低圧となり、熱交換器３で送風機８
によって吸入される空気と熱交換される。Further, in the heat storage operation, the high-temperature and high-pressure gas refrigerant compressed by the compressor 1 is sent to the heat storage device 5 via the switched four-way valve 2 to serve as a heat storage object. The water is heated to become a low-temperature liquid refrigerant, and thereafter the pressure is reduced by the expansion device 4 to a low temperature and low pressure, and the heat exchanger 3 blows the blower 8
Exchanges heat with the air inhaled by.

【０００８】このようにして、蓄熱装置５で冷却または
加熱された水は、配管11を介してポンプ12によって空気
調和機８の冷温水熱交換器10に導かれ、送風機９によっ
て吸入される室内の空気と熱交換してこの空気を冷却ま
たは加熱し、室内に排出することにより冷暖房を行う。In this way, the water cooled or heated by the heat storage device 5 is introduced into the cold / hot water heat exchanger 10 of the air conditioner 8 by the pump 12 through the pipe 11 and is taken in by the blower 9. The air is cooled and heated by exchanging heat with the air and cooled or heated and then discharged into the room to perform cooling and heating.

【０００９】一方、ショーケース13内では冷暖房に関係
なく食品を冷却する必要があるので、冷暖房用の冷凍サ
イクルとは別に図５に示すような冷凍用の冷凍サイクル
を有した冷凍機16が配置されている。以下、図５に示す
冷凍サイクルの動作を説明する。まず、圧縮機１で圧縮
され高温、高圧となったガス冷媒は凝縮器18に送り込ま
れ、凝縮器18内で送風機19によって吸入される空気と熱
交換し、冷却されて凝縮液化し低温の液冷媒となる。そ
の後、絞り装置14で減圧され蒸発しやすい低圧、低温と
なり、冷却器15でショーケース13内の空気と熱交換しこ
れを冷却した後再び圧縮機１に戻る。そして、ショーケ
ース13内の冷却された空気はショーケース13内部に収容
された食品等の被冷却物を冷却する。On the other hand, since it is necessary to cool food in the showcase 13 regardless of heating and cooling, a refrigerator 16 having a refrigeration cycle for refrigeration as shown in FIG. 5 is arranged separately from the refrigeration cycle for heating and cooling. Has been done. The operation of the refrigeration cycle shown in FIG. 5 will be described below. First, the high-temperature, high-pressure gas refrigerant compressed by the compressor 1 is sent to the condenser 18, exchanges heat with the air sucked by the blower 19 in the condenser 18, and is cooled to be condensed and liquefied to be a low-temperature liquid. It becomes a refrigerant. After that, the pressure is reduced by the expansion device 14 to a low pressure and low temperature at which evaporation easily occurs, and the cooler 15 exchanges heat with the air in the showcase 13 to cool it, and then returns to the compressor 1 again. Then, the cooled air in the showcase 13 cools an object to be cooled such as food contained in the showcase 13.

【００１０】[0010]

【発明が解決しようとする課題】従来の冷凍装置は以上
のように構成されているので、蓄冷と冷却または蓄暖と
冷却を同時に行う場合は、図４にもその例を示したよう
に空気調和機８用の冷凍サイクルと、冷凍機16用の冷凍
サイクルと言うように、複数の冷凍サイクルが必要にな
るといった問題点があった。Since the conventional refrigerating apparatus is constructed as described above, when the cold storage and the cooling or the warm storage and the cooling are performed at the same time, as shown in FIG. There is a problem that a plurality of refrigerating cycles are required as in the refrigerating cycle for the harmony machine 8 and the refrigerating cycle for the refrigerator 16.

【００１１】この発明は上記のような問題点を解消する
ためになされたもので、１つの冷凍サイクルで蓄冷と冷
却または蓄暖と冷却の同時運転が可能な冷凍装置を得る
ことを目的とする。The present invention has been made to solve the above problems, and an object of the present invention is to obtain a refrigerating apparatus capable of simultaneously performing cool storage and cooling or heat storage and cooling in one refrigeration cycle. .

【００１２】[0012]

【課題を解決するための手段】この発明に係る請求項１
の冷凍装置は、圧縮機、熱交換器、蓄熱装置および冷却
器を順次接続して冷凍サイクルを構成し、冷凍サイクル
を流れる冷媒の流れ方向を切り替えるとともに、熱交換
器、蓄熱装置および冷却器を所望の運転状態に応じてそ
れぞれ作動させるようにしたものであり、又、請求項２
の冷凍装置は、請求項１において熱交換器、蓄熱装置お
よび冷却器に弁を有するバイパス回路をそれぞれ接続し
各弁の開閉により熱交換器、蓄熱装置および冷却器の作
動、不作動をそれぞれ制御するようにしたものである。[Means for Solving the Problems] Claim 1 according to the present invention
The refrigeration system of No. 1 forms a refrigeration cycle by sequentially connecting a compressor, a heat exchanger, a heat storage device, and a cooler, and switches the flow direction of the refrigerant flowing through the refrigeration cycle, and also connects the heat exchanger, the heat storage device, and the cooler. It is adapted to be operated in accordance with a desired operating condition, and the invention is also characterized in that:
In the refrigerating device of claim 1, the heat exchanger, the heat storage device and the cooler are connected to bypass circuits each having a valve, and the operation of the heat exchanger, the heat storage device and the cooler is controlled by opening / closing each valve. It is something that is done.

【００１３】[0013]

【作用】この発明における冷凍装置の圧縮機、熱交換
器、蓄熱装置および冷却器は順次接続されて冷凍サイク
ルを構成するとともに、所望の運転状態に応じてそれぞ
れ作動することによって、蓄冷と冷却または蓄暖と冷却
運転を同時に行う。The compressor, the heat exchanger, the heat storage device and the cooler of the refrigeration system of the present invention are connected in sequence to form a refrigeration cycle, and each of them operates according to a desired operating condition to store or cool the heat. Heat storage and cooling operation are performed simultaneously.

【００１４】[0014]

【実施例】【Example】

実施例１．以下、この発明の実施例を図について説明す
る。図１はこの発明の実施例１における冷凍装置の冷凍
サイクルを示す図、図２は図１における冷凍装置を適用
した設備の一例を示す図である。図において、21は圧縮
機、22は四方弁、23は熱交換器、24,25,26は絞り装置、
27は蓄熱装置、28は冷却器、29は弁A30を介して熱交換
器23と並列に接続されるバイパス回路Ａ、31は弁B32を
介して絞り装置24と並列に接続されるバイパス回路Ｂ、
33は弁C34を介して絞り装置24および蓄熱装置27と並列
に接続されるバイパス回路Ｃ、35は弁D36を介して絞り
装置25と並列に接続されるバイパス回路Ｄで、弁D36は
絞り装置26と直列に接続されている。37は弁E38を介し
て冷却器28と並列に接続されるバイパス回路Ｅである。Example 1. Embodiments of the present invention will be described below with reference to the drawings. 1 is a diagram showing a refrigeration cycle of a refrigeration system according to a first embodiment of the present invention, and FIG. 2 is a diagram showing an example of equipment to which the refrigeration system in FIG. 1 is applied. In the figure, 21 is a compressor, 22 is a four-way valve, 23 is a heat exchanger, 24, 25 and 26 are throttle devices,
27 is a heat storage device, 28 is a cooler, 29 is a bypass circuit A connected in parallel with the heat exchanger 23 via a valve A30, 31 is a bypass circuit B connected in parallel with the expansion device 24 via a valve B32. ,
33 is a bypass circuit C connected in parallel with the expansion device 24 and the heat storage device 27 via the valve C34, 35 is a bypass circuit D connected in parallel with the expansion device 25 via the valve D36, and valve D36 is the expansion device. It is connected in series with 26. 37 is a bypass circuit E connected in parallel with the cooler 28 via a valve E38.

【００１５】上記のように構成された実施例１における
冷凍装置では、冷媒は四方弁22で切り替えられ蓄暖運転
の場合は図中点線矢印で示す方向に、又、蓄暖以外の運
転の場合は実線矢印で示す方向にそれぞれ流れる。な
お、各運転状態における熱交換器23、蓄熱装置27、冷却
器28および各弁Ａ，Ｂ，Ｃ，Ｄ，Ｅ，30,32,34,36,38の
作動状態は表１に示す。In the refrigerating apparatus according to the first embodiment configured as described above, the refrigerant is switched by the four-way valve 22 in the direction shown by the dotted arrow in the figure for the heat storage operation, and for the operation other than the heat storage operation. Flows in the directions indicated by solid arrows. Table 1 shows the operating states of the heat exchanger 23, the heat storage device 27, the cooler 28, and the valves A, B, C, D, E, 30, 32, 34, 36, 38 in each operating state.

【００１６】[0016]

【表１】 [Table 1]

【００１７】次に、それぞれの運転状態ごとに動作を説
明する。まず、冷却のみの運転の場合、圧縮機21で圧縮
され高温、高圧となった冷媒は、図中実線矢印で示すよ
うに四方弁22を通り、弁A30が閉止されているためバイ
パス回路A29には流れず熱交換器23に流入する。この熱
交換器23において送風機７によって吸い込まれる空気と
熱交換して排熱し、弁B32が閉止、弁C34が開放されてい
るため、絞り装置24および蓄冷装置27側には流れずバイ
パス回路C33を流れる。そして、弁D36および弁E38が閉
止されているため、バイパス回路D35およびバイパス回
路E37には流れず、絞り装置25に流入して減圧され蒸発
しやすい低温、低圧となって、冷却器28でショーケース
13内の空気を冷却した後、再び四方弁22を通り圧縮機21
に吸入される。Next, the operation will be described for each operating state. First, in the case of operation only for cooling, the high temperature and high pressure refrigerant compressed by the compressor 21 passes through the four-way valve 22 as shown by the solid arrow in the figure, and the valve A30 is closed, so the bypass circuit A29 is shown. Does not flow and flows into the heat exchanger 23. In this heat exchanger 23, heat is exchanged with the air sucked by the blower 7 to exhaust heat, the valve B32 is closed, and the valve C34 is opened, so that it does not flow to the expansion device 24 and the regenerator 27 side and the bypass circuit C33 is formed. Flowing. Then, since the valve D36 and the valve E38 are closed, they do not flow into the bypass circuit D35 and the bypass circuit E37, and flow into the expansion device 25 to be decompressed and easily vaporized to a low temperature and low pressure. Case
After cooling the air in 13, the compressor 21 passes through the four-way valve 22 again.
Inhaled into.

【００１８】次に、蓄冷のみの運転の場合、圧縮機21で
圧縮され高温、高圧となった冷媒は、図中実線矢印で示
すように四方弁22を通り、弁A30が閉止されているため
バイパス回路A29には流れず熱交換器23に流入する。こ
の熱交換器23において送風機７によって吸い込まれる空
気と熱交換して排熱し、弁B32および弁C34共に閉止され
ているため、絞り装置24で減圧されて低温、低圧となり
蓄冷装置27で被蓄冷物としての水を冷却した後、弁D36
は閉止、弁E38は開放されているので冷却器28側には流
れず、バイパス回路E37を通り四方弁22より圧縮機21に
吸入される。Next, in the case of only the cold storage operation, the high temperature, high pressure refrigerant compressed by the compressor 21 passes through the four-way valve 22 as shown by the solid arrow in the figure, and the valve A30 is closed. It does not flow into the bypass circuit A29 but flows into the heat exchanger 23. In this heat exchanger 23, heat is exchanged with the air sucked by the blower 7 to exhaust heat, and both the valve B32 and the valve C34 are closed. After cooling the water as a valve D36
Is closed and the valve E38 is open so that it does not flow to the cooler 28 side and is sucked into the compressor 21 from the four-way valve 22 through the bypass circuit E37.

【００１９】次に蓄暖のみの運転の場合、圧縮機21で圧
縮され高温、高圧となった冷媒は、図中点線矢印で示す
ように四方弁22で切り替えられて、弁Ｅ38は開放、弁D3
6および弁C34は閉止されているので、冷却器28側には流
れずバイパス回路E37を通って蓄熱装置27に流入する。
そして、この蓄熱装置27で被蓄暖物としての水を加熱
し、弁B32が閉止されているためバイパス回路B31側には
流れず、絞り装置24で減圧され低温、低圧となる。その
後、弁A30が閉止されているためバイパス回路A29側には
流れず、熱交換器23に流れ込み空気と熱交換した後四方
弁22を通って再び圧縮機21に吸入される。Next, in the case of only the heat storage operation, the high temperature and high pressure refrigerant compressed by the compressor 21 is switched by the four-way valve 22 as shown by the dotted arrow in the figure, and the valve E38 is opened and the valve E38 is opened. D3
Since 6 and the valve C34 are closed, they do not flow to the cooler 28 side and flow into the heat storage device 27 through the bypass circuit E37.
Then, the heat storage device 27 heats the water to be stored, and since the valve B32 is closed, it does not flow to the bypass circuit B31 side, and the expansion device 24 reduces the pressure to a low temperature and a low pressure. After that, since the valve A30 is closed, it does not flow to the bypass circuit A29 side, flows into the heat exchanger 23, exchanges heat with air, and then is sucked into the compressor 21 again through the four-way valve 22.

【００２０】次に、冷却と蓄冷との同時運転の場合、圧
縮機21で圧縮され高温、高圧となった冷媒は、図中実線
矢印で示すように四方弁22を通り、弁A30が閉止されて
いるためバイパス回路A29には流れず熱交換器23に流れ
込んで空気と熱交換し排熱し、弁B32および弁C34共に閉
止されているためバイパス回路B31およびバイパス回路C
33側には流れず、絞り装置24によって減圧されて低温、
低圧となり蓄熱装置27に流れ込む。そして、この蓄熱装
置27で被蓄冷物としての水を冷却し、弁D36は開放、弁E
38閉止されているためバイパス回路E37側には流れず、
バイパス回路D35を通って絞り装置26で減圧され再び蒸
発しやすい低温、低圧となり、冷却器28でショーケース
13内の空気を冷却した後、四方弁22を通って再び圧縮機
21に吸入される。Next, in the case of simultaneous operation of cooling and cold storage, the refrigerant compressed to high temperature and high pressure by the compressor 21 passes through the four-way valve 22 as shown by the solid line arrow in the figure, and the valve A30 is closed. Therefore, it does not flow to the bypass circuit A29 and flows into the heat exchanger 23 to exchange heat with the air and exhaust heat, and since both the valve B32 and the valve C34 are closed, the bypass circuit B31 and the bypass circuit C
It does not flow to the 33 side, the pressure is reduced by the expansion device 24 and the temperature is low,
It becomes a low pressure and flows into the heat storage device 27. Then, the heat storage device 27 cools water as a cold storage object, the valve D36 is opened, and the valve E is opened.
38 Since it is closed, it does not flow to the bypass circuit E37 side,
After passing through the bypass circuit D35, the pressure is reduced by the expansion device 26, and the temperature and pressure are reduced so that it easily evaporates again.
After the air inside 13 is cooled, it is passed through the four-way valve 22 and recompressed.
Inhaled on 21.

【００２１】最後に、冷却と蓄暖との同時運転の場合、
圧縮機21で圧縮され高温、高圧となった冷媒は、図中実
線矢印で示すように四方弁22を通り、弁A30が開放され
ているため熱交換器23には流れずバイパス回路A29側に
流れ、弁B32は開放、弁C34は閉止されているため絞り装
置24には流れず、バイパス回路B31を通って蓄熱装置27
に流れ込み被蓄暖物としての水を加熱する。その後、弁
D36および弁E38共に閉止されているためバイパス回路D3
5およびバイパス回路E37側には流れず、絞り装置25に流
れ込んで減圧され蒸発しやすい低温、低圧となり、冷却
器28でショーケース13内の空気を冷却した後、四方弁22
を通って再び圧縮機21に吸入される。Finally, in the case of simultaneous operation of cooling and heat storage,
The high-temperature, high-pressure refrigerant compressed by the compressor 21 passes through the four-way valve 22 as shown by the solid line arrow in the figure, and since the valve A30 is open, it does not flow to the heat exchanger 23 and flows to the bypass circuit A29 side. Flow, the valve B32 is open and the valve C34 is closed, so it does not flow to the expansion device 24, and the heat storage device 27 passes through the bypass circuit B31.
It flows into and heats the water as the stored material. Then the valve
Bypass circuit D3 because both D36 and valve E38 are closed
5 and the bypass circuit E37 side does not flow, but flows into the expansion device 25 and is decompressed and easily vaporized to a low temperature and low pressure. After cooling the air in the showcase 13 with the cooler 28, the four-way valve 22
And is again sucked into the compressor 21.

【００２２】上記説明した蓄冷または蓄暖運転におい
て、蓄熱装置27で冷却または加熱された水は、図２に示
すようにポンプ12により配管11を介して空気調和機８の
冷温水熱交換器10に導かれ、送風機９によって吸入され
る室内の空気と熱交換し、この空気を冷却または加熱す
る。そして、この空気は送風機によって室内に排出され
室内の冷暖房を行う。In the cold storage or warm storage operation described above, the water cooled or heated by the heat storage device 27 is supplied to the cold / hot water heat exchanger 10 of the air conditioner 8 via the pipe 11 by the pump 12 as shown in FIG. And heat-exchanges with the air in the room which is sucked in by the blower 9 to cool or heat this air. Then, this air is discharged into the room by a blower to cool and heat the room.

【００２３】実施例２．上記実施例１では、各バイパス
回路 29,31,33,35,37,に接続された各弁30,32,34,36,38
を開閉制御することによって、熱交換器 23、蓄熱装置
27および冷却器28をそれぞれの運転に応じるように作動
させているが、熱交換器23において冷媒と熱交換する空
気を循環させる送風機７を停止、又は回転数を変化させ
たり、冷媒と熱交換される流体が水の場合にはその水量
を変化させることによって、熱交換器23を作動、非作動
の状態に近似させても同様の効果を奏する。Example 2. In the first embodiment, the valves 30, 32, 34, 36, 38 connected to the bypass circuits 29, 31, 33, 35, 37, respectively.
The heat exchanger 23 and the heat storage device
Although the 27 and the cooler 28 are operated according to their respective operations, the blower 7 that circulates the air that exchanges heat with the refrigerant in the heat exchanger 23 is stopped, or the rotation speed is changed, or the heat exchange with the refrigerant is performed. When the fluid to be formed is water, the same effect can be obtained even if the heat exchanger 23 is made to be in an operating or non-operating state by changing the amount of water.

【００２４】実施例３．尚、上記各実施例は、熱交換器
23および冷却器28において冷媒と空気とを熱交換させる
場合について説明したが、冷媒は水と熱交換させても良
く。又、蓄熱装置27で冷却または加熱された水は、冷水
器や給湯器等に供給されて所望の冷水や湯を得ることも
出来る。Example 3. In addition, each of the above embodiments is a heat exchanger.
Although the case where the refrigerant and the air are heat-exchanged with each other in the 23 and the cooler 28 has been described, the refrigerant may be heat-exchanged with water. Further, the water cooled or heated by the heat storage device 27 can be supplied to a water cooler, a water heater or the like to obtain desired cold water or hot water.

【００２５】[0025]

【発明の効果】以上のように、この発明によれば圧縮
機、熱交換器、蓄熱装置および冷却器を順次接続して冷
凍サイクルを構成し、この冷凍サイクルを流れる冷媒の
流れ方向を切り替えるとともに熱交換器、蓄熱装置およ
び冷却器を所望の運転状態に応じてそれぞれ作動させる
ことにより、１つの冷凍サイクルで蓄冷と冷却または蓄
暖と冷却の同時運転が可能な冷凍装置を得ることができ
るという効果を奏する。As described above, according to the present invention, a compressor, a heat exchanger, a heat storage device and a cooler are sequentially connected to form a refrigeration cycle, and the flow direction of the refrigerant flowing through the refrigeration cycle is switched. By operating each of the heat exchanger, the heat storage device, and the cooler according to a desired operation state, it is possible to obtain a refrigeration device capable of performing simultaneous cold storage and cooling or simultaneous warming and cooling operation in one refrigeration cycle. Produce an effect.

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

【図１】この発明の実施例１における冷凍装置の冷凍サ
イクルを示す図である。FIG. 1 is a diagram showing a refrigeration cycle of a refrigeration system according to a first embodiment of the present invention.

【図２】図１における冷凍装置を適用した設備の一例を
示す図である。FIG. 2 is a diagram showing an example of equipment to which the refrigerating apparatus in FIG. 1 is applied.

【図３】従来の冷凍装置の冷凍サイクルを示す図であ
る。FIG. 3 is a diagram showing a refrigeration cycle of a conventional refrigeration system.

【図４】図３における冷凍装置を適用した設備の一例を
示す図である。4 is a diagram showing an example of equipment to which the refrigerating apparatus in FIG. 3 is applied.

【図５】図４における設備の冷凍機の冷凍サイクルを示
す図である。FIG. 5 is a diagram showing a refrigeration cycle of a refrigerator of the equipment in FIG.

【符号の説明】[Explanation of symbols]

21 圧縮機 22 四方弁 23 熱交換器 24,25,26 絞り装置 27 蓄熱装置 29,31,33,35,37 バイパス回路Ａ，Ｂ，Ｃ，Ｄ，Ｅ 30,32,34,36,38 弁Ａ，Ｂ，Ｃ，Ｄ，Ｅ， 21 compressor 22 four-way valve 23 heat exchanger 24,25,26 diaphragm device 27 Heat storage device 29,31,33,35,37 Bypass circuit A, B, C, D, E 30,32,34,36,38 valves A, B, C, D, E,

───────────────────────────────────────────────────── フロントページの続き (72)発明者 知久 道明 和歌山市手平６丁目５番66号 三菱電機エ ンジニアリング株式会社伊丹事業所和歌山 支所内 (72)発明者 望月 道明 和歌山市手平６丁目５番66号 三菱電機エ ンジニアリング株式会社伊丹事業所和歌山 支所内 (72)発明者 芝村 泰治 和歌山市手平６丁目５番66号 三菱電機エ ンジニアリング株式会社伊丹事業所和歌山 支所内 (72)発明者 船橋 靖幸 和歌山市手平６丁目５番66号 三菱電機株 式会社和歌山製作所内   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Michiaki Chihisa             6-5-66 Tehira, Wakayama Mitsubishi Electric             Engineering Co., Ltd. Itami Works Wakayama             In the branch (72) Inventor Michiaki Mochizuki             6-5-66 Tehira, Wakayama Mitsubishi Electric             Engineering Co., Ltd. Itami Works Wakayama             In the branch (72) Inventor Taiji Shibamura             6-5-66 Tehira, Wakayama Mitsubishi Electric             Engineering Co., Ltd. Itami Works Wakayama             In the branch (72) Inventor Yasuyuki Funabashi             6-5-66 Tehira, Wakayama City Mitsubishi Electric Corporation             Ceremony Company Wakayama Factory

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 圧縮機、熱交換器、蓄熱装置および冷却
器を順次接続して冷凍サイクルを構成し、上記冷凍サイ
クルを流れる冷媒の流れ方向を切り替えるとともに上記
熱交換器、蓄熱装置および冷却器を所望の運転状態に応
じてそれぞれ作動させるようにしたことを特徴とする冷
凍装置。1. A refrigeration cycle is constructed by sequentially connecting a compressor, a heat exchanger, a heat storage device, and a cooler, and switching the flow direction of a refrigerant flowing through the refrigeration cycle, the heat exchanger, the heat storage device, and the cooler. The refrigerating apparatus is characterized in that it is operated according to a desired operating state. 【請求項２】 熱交換器、蓄熱装置および冷却器に弁を
有するバイパス回路をそれぞれ接続し上記各弁の開閉に
より上記熱交換器、蓄熱装置および冷却器の作動、不作
動をそれぞれ制御するようにしたことを特徴とする請求
項１記載の冷凍装置。2. A bypass circuit having a valve is connected to each of the heat exchanger, the heat storage device and the cooler, and the operation and non-operation of the heat exchanger, the heat storage device and the cooler are controlled by opening and closing the valves. The refrigerating apparatus according to claim 1, wherein