JPH0278869A - Multi-purpose room heating and cooling device - Google Patents
Multi-purpose room heating and cooling deviceInfo
- Publication number
- JPH0278869A JPH0278869A JP63230037A JP23003788A JPH0278869A JP H0278869 A JPH0278869 A JP H0278869A JP 63230037 A JP63230037 A JP 63230037A JP 23003788 A JP23003788 A JP 23003788A JP H0278869 A JPH0278869 A JP H0278869A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- heat exchanger
- water
- cooling
- cold
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 28
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000004378 air conditioning Methods 0.000 claims description 24
- 238000011084 recovery Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 abstract description 10
- 239000012267 brine Substances 0.000 abstract description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 1
- 238000005338 heat storage Methods 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000029142 excretion Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は空冷ヒートポンプ弐チラーユニットを用いる冷
暖房装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a heating and cooling system using an air-cooled heat pump chiller unit.
従来の装置は日立蓄冷熱式ヒートポンプ、チラーユニッ
トシステム技術資料あるいは氷蓄熱式空調システム（東
京電力）のカタログに記載のように、熱回収式冷暖房装
置と、蓄冷熱式（氷蓄熱式）冷暖房装置はそれぞれ専用
の装置になっており、また、排熱用または蓄冷用熱交換
器側は冷水または低温ブライン取出用のみであ）冷暖房
装置としての用途に制限される場合があった。Conventional equipment includes heat recovery type air-conditioning equipment and cold storage type (ice storage type) air-conditioning equipment, as described in the Hitachi cold storage heat pump, chiller unit system technical data, or ice storage type air conditioning system (Tokyo Electric Power Company) catalog. Each of these is a dedicated device, and the heat exchanger for exhaust heat or cold storage is only used for extracting cold water or low-temperature brine), and is sometimes limited to use as an air-conditioning device.
上記の従来技術は熱回収式冷暖房装置と蓄冷熱式冷暖房
装置がそれぞれ専用機であり、しかも、排熱用または蓄
冷用熱交換器側は冷水または低温ブジイン取出用のみで
温水取出についての配慮がされておらず、冷暖房装置と
しての用途に制限されるという問題があった。In the above conventional technology, the heat recovery type air-conditioning system and the cold storage type air-conditioning system are each dedicated machines, and the heat exchanger side for exhaust heat or cold storage is only used to take out cold water or low-temperature water, and there is no consideration for hot water extraction. However, there was a problem in that the use was limited to air-conditioning equipment.
本発明の目的は専用機である熱回収式冷暖房装置と蓄冷
熱式冷暖房装置を共用化し、しかも、排熱用または蓄冷
用熱交換器側からも温水取出が可能となる冷暖房装置を
得ることにある。The purpose of the present invention is to provide a heating and cooling system in which a dedicated heat recovery type air-conditioning system and a cold storage type air-conditioning system can be used in common, and hot water can also be taken out from the exhaust heat or cold storage heat exchanger side. be.
上記目的は、使用機器、配管及び回路を共用にするとと
もに、排熱用または蓄冷用熱交換器側も凝縮器としての
回路を追加することにより、達成される。The above object is achieved by sharing equipment, piping, and circuits, and by adding a circuit as a condenser to the exhaust heat or cold storage heat exchanger side.
熱回収式冷暖房装置と蓄冷熱式冷暖房装置の使用機器及
び冷凍サイクルを共通化することにより、生産の合理化
、切換バルブの数を最小限にすることにより圧力損失を
少なくして性能向上を計ると共に、さらにパルプ動作遅
れ等運転中のトラブル防止、信頼性の向上を計ることが
できる。また、圧縮機吐出側より排熱用兼蓄熱用熱交換
器を介し、受液器に至る回路を設けることにより、排熱
用兼蓄熱用熱交換器側からも温水取出しが可能となり、
多目的な冷暖房装置を形成することができる。By standardizing the equipment and refrigeration cycle of heat recovery type air-conditioning equipment and cold storage type air-conditioning equipment, we can streamline production, minimize the number of switching valves, reduce pressure loss, and improve performance. Furthermore, it is possible to prevent problems during operation such as delays in pulp operation and improve reliability. In addition, by providing a circuit from the compressor discharge side to the liquid receiver via the exhaust heat/heat storage heat exchanger, hot water can be taken out from the exhaust heat/heat storage heat exchanger side as well.
A versatile heating and cooling system can be formed.
以下、本発明の実施例を第１図〜第６図により説明する
。Embodiments of the present invention will be described below with reference to FIGS. 1 to 6.
第１図は本発明の冷凍サイクルの系統図を示し、熱回収
式冷暖房装置として使用する場合は水側熱交換器１４を
温水加熱器に、排熱用兼蓄熱用熱交換器１５を冷水冷却
器として使用し、四方弁２、電磁弁７，８．９を切換え
て利用目的に合った回路を形成する。冷房専用運転の冷
媒回路は第２図に太線で示す回路で、四方弁２を冷房側
にして、電磁弁８を開き熱交換器１５で冷水を冷却し、
冷房に供する。つぎに暖房専用運転の冷媒回路は第４図
の太線で示す回路で四方弁２を暖房側に切換え電磁弁９
を開いて水側熱交換器１４で温水を加熱し暖房に供する
。また、冷暖房同時使用の場合の冷媒回路は第５図の太
線で示す回路で、四方弁Ｚｒｉ暖房側に切換え、電磁弁
８を開いて水側熱交換器１４で温水を加熱し、熱交換器
１５で冷水を冷却し、それぞれ暖房及び冷房に供する。FIG. 1 shows a system diagram of the refrigeration cycle of the present invention. When used as a heat recovery type air conditioning system, the water side heat exchanger 14 is used as a hot water heater, and the heat exchanger 15 for exhaust heat and heat storage is used as a cold water cooler. The four-way valve 2 and the solenoid valves 7, 8, and 9 are switched to form a circuit suitable for the purpose of use. The refrigerant circuit for cooling-only operation is the circuit shown by the thick line in Figure 2, where the four-way valve 2 is set to the cooling side, the solenoid valve 8 is opened, and the heat exchanger 15 cools the chilled water.
Serve for cooling. Next, the refrigerant circuit for heating-only operation is the circuit shown by the thick line in Fig. 4, and the four-way valve 2 is switched to the heating side, and the solenoid valve 9
is opened and hot water is heated in the water side heat exchanger 14 for heating. In addition, the refrigerant circuit in the case of simultaneous use of air conditioning and heating is the circuit shown by the thick line in Fig. 5, where the four-way valve Zri is switched to the heating side, the solenoid valve 8 is opened, and hot water is heated in the water side heat exchanger 14, and the heat exchanger At step 15, the cold water is cooled and used for heating and cooling, respectively.
一方、冷暖房同時使用の場合で暖房と冷房の負荷側を逆
に使用する場合には第６図の太線で示す回路で、四方弁
２は冷房側に切換え、三方弁２５を熱交換器１５側に、
電磁弁７を開き、電磁弁１０を閉じることにより、熱交
換器１５で温水を加熱し、水側熱交換器１４で冷水を冷
却し、それぞれ暖房及び冷房に供する。On the other hand, when heating and cooling are used simultaneously and the load sides of heating and cooling are reversed, use the circuit shown by the thick line in Figure 6, with the four-way valve 2 switched to the cooling side and the three-way valve 25 placed on the heat exchanger 15 side. To,
By opening the electromagnetic valve 7 and closing the electromagnetic valve 10, the heat exchanger 15 heats hot water, and the water-side heat exchanger 14 cools cold water, which are used for heating and cooling, respectively.
つぎに蓄冷熱（氷蓄熱）式冷暖房装置として使用する場
合は水側熱交換器１４は夏は冷水冷却器、冬は温水加熱
器として使用し、排熱量兼蓄冷用熱交換器１５はブライ
ン冷却器として使用し、四方弁２、電磁弁７，８．９を
切換えて利用目的に合った回路を形成する。夏の夜間、
冷媒回路を第２図に太線で示す回路のように、四方弁２
は冷房側にして、電磁弁８を開いて熱交換器１５でブラ
インを冷却し、そのブラインを別に設置する氷蓄熱槽（
図示せず）内に取付けられた熱交換器に循壊し、氷蓄熱
槽内の水を氷結させる。夏の昼間は冷媒回路を第８図に
太線で示す回路のように、四方弁２は冷房側にして、電
磁弁７を開いて水側熱交換器１４で冷水を冷却し、前夜
製氷した氷蓄熱槽内の氷とにより冷泄を行う。冬期の暖
房運転時の冷媒回路は第４図に太線で示す回路で、四方
弁２は暖房側に切換え、電磁弁９を開いて水側熱交換器
１４で温水を加熱して暖房に供する。Next, when used as a cold storage heat (ice storage) type air conditioning system, the water side heat exchanger 14 is used as a cold water cooler in summer and as a hot water heater in winter, and the heat exchanger 15 for exhaust heat and cold storage is used for brine cooling. The four-way valve 2 and the solenoid valves 7, 8, and 9 are switched to form a circuit suitable for the purpose of use. summer night,
The refrigerant circuit is shown by the bold line in Figure 2, and the four-way valve 2
is on the cooling side, the solenoid valve 8 is opened, the brine is cooled by the heat exchanger 15, and the brine is placed in a separate ice heat storage tank (
(not shown), the water in the ice storage tank is frozen. During the daytime in summer, the refrigerant circuit is set to the cooling side, as shown by the thick line in Figure 8, and the four-way valve 2 is set to the cooling side, the solenoid valve 7 is opened, and the water-side heat exchanger 14 cools the cold water to cool the ice that was made the night before. Cold excretion is performed using ice in the heat storage tank. The refrigerant circuit during heating operation in winter is the circuit shown by the thick line in FIG. 4, where the four-way valve 2 is switched to the heating side, the solenoid valve 9 is opened, and the water-side heat exchanger 14 heats hot water to provide heating.
熱回収式冷暖房装置、蓄冷熱式冷暖房装置とも冬の暖房
運転中、空気側熱交換器８に着霜した時の除霜は第８図
の太線で示す回路で行う。In both the heat recovery type air-conditioning system and the cold storage type air-conditioning system, defrosting when frost forms on the air-side heat exchanger 8 during winter heating operation is performed by the circuit shown by the thick line in FIG.
本発明によれば、熱回収式冷暖房装置と蓄冷熱式冷暖房
装置がまったく同一のユニットを使用することができ、
次のような効果がある。According to the present invention, the heat recovery type air-conditioning device and the cold storage type air-conditioning device can use exactly the same unit,
It has the following effects.
（１）従来専用機であったものが同一ユニットでその目
的が達成されるため、生産の合理化、原価低減が可能と
なり、より安価な冷暖房装置を提供することができる。(1) Since the purpose of what was conventionally a dedicated machine can be achieved with the same unit, production can be rationalized and costs can be reduced, making it possible to provide cheaper air-conditioning and heating equipment.
（２）冷媒回路の切換バルブが少ないため、圧力損失を
最小限にすることができ、高い性能及び成績係数の運転
ができる。(2) Since there are few switching valves in the refrigerant circuit, pressure loss can be minimized and operation with high performance and coefficient of performance can be achieved.
（３）冷媒回路の切換バルブが少ないため、運転モード
切換時のパルプ動作遅れによる運転トラブルがなく、信
頼性の高い冷暖房装置となる。(3) Since the number of switching valves in the refrigerant circuit is small, there is no operational trouble due to delays in pulp operation when switching operation modes, resulting in a highly reliable heating and cooling system.
（４）排熱用兼蓄熱用熱交換器側からも温水取出が可能
となり、より多目的な用途で使用可能な冷暖房装置とな
る。(4) Hot water can also be taken out from the heat exchanger for exhaust heat and heat storage, making the heating and cooling system usable for more versatile purposes.
第１図は本発明の一実施例の冷凍サイクル配管系統図、
第２図は熱回収式冷暖房装置の冷房回路と蓄冷熱式冷暖
房装置の蓄冷（氷蓄熱）回路、第３図は蓄冷熱式の冷房
回路と熱回収式及び蓄冷熱式の除霜回路、第４図は熱回
収式及び蓄冷熱式の暖房回路、第５図、第６図は熱回収
式の冷温水同時取出回路で、第２図〜第６図は太線部分
の流路に冷媒が流れる。
１・・・圧縮機 ２・・・四方弁 ８・・・空気側
熱交換器 令・・・受液器 ５・・・ストレーナ
６・・・ドライヤ ７；・・８．９．１０・・・回
路切換用電磁弁 １１．１２．１８・・・膨張弁
１４・・・水側熱交換器 １５・・・排熱用兼蓄熱用
熱交換器１６・・・アキュムレータ １７．１８．．
１９．２０．２１．２２．２８．２４・・・逆止弁
２５・・・三方弁 ２６・・・空気側熱交換器用送風
機。
審１図
１３図
審４図FIG. 1 is a refrigeration cycle piping system diagram of an embodiment of the present invention.
Figure 2 shows the cooling circuit of a heat recovery type air conditioning system and the cold storage (ice storage) circuit of a cold storage type air conditioning system. Figure 4 shows a heat recovery type and cold storage heat type heating circuit, Figures 5 and 6 show a heat recovery type cold and hot water simultaneous extraction circuit, and in Figures 2 to 6, the refrigerant flows through the flow paths shown in bold lines. . 1...Compressor 2...Four-way valve 8...Air side heat exchanger Retainer...Liquid receiver 5...Strainer
6... Dryer 7;...8.9.10... Solenoid valve for circuit switching 11.12.18... Expansion valve
14... Water side heat exchanger 15... Heat exchanger for exhaust heat and heat storage 16... Accumulator 17.18. ．．
19.20.21.22.28.24...Check valve
25... Three-way valve 26... Air side heat exchanger blower. Judgment 1 Figure 13 Illustration Judgment 4
Claims (1)
膨張弁、水側熱交換器（利用側）、排熱用兼蓄冷熱用熱
交換器、アキュムレータ、回路切換用電磁弁、逆止弁等
によって形成される空冷ヒートポンプ式の冷暖房装置に
おいて、熱回収式冷暖房装置として、冷房、暖房、冷温
水同時取出運転と、蓄冷熱式冷暖房装置として、冷房、
暖房、蓄冷（製氷）運転をすることを特徴とする冷暖房
装置。Compressor, four-way valve, air side heat exchanger (heat source side), liquid receiver,
Heat recovery is performed in an air-cooled heat pump type air-conditioning system formed by an expansion valve, a water-side heat exchanger (user side), a heat exchanger for exhaust heat and cold storage heat, an accumulator, a solenoid valve for circuit switching, a check valve, etc. As a type air-conditioning/heating system, it can perform cooling, heating, and simultaneous extraction of cold and hot water, and as a cold storage type air-conditioning/heating system, it can perform cooling,
A heating and cooling device that performs heating and cold storage (ice making) operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63230037A JPH0278869A (en) | 1988-09-16 | 1988-09-16 | Multi-purpose room heating and cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63230037A JPH0278869A (en) | 1988-09-16 | 1988-09-16 | Multi-purpose room heating and cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0278869A true JPH0278869A (en) | 1990-03-19 |
Family
ID=16901576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63230037A Pending JPH0278869A (en) | 1988-09-16 | 1988-09-16 | Multi-purpose room heating and cooling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0278869A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05118696A (en) * | 1991-10-30 | 1993-05-14 | Mitsubishi Electric Corp | Heat pump device |
| WO2011099054A1 (en) * | 2010-02-10 | 2011-08-18 | 三菱電機株式会社 | Air conditioner |
-
1988
- 1988-09-16 JP JP63230037A patent/JPH0278869A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05118696A (en) * | 1991-10-30 | 1993-05-14 | Mitsubishi Electric Corp | Heat pump device |
| WO2011099054A1 (en) * | 2010-02-10 | 2011-08-18 | 三菱電機株式会社 | Air conditioner |
| CN102753900A (en) * | 2010-02-10 | 2012-10-24 | 三菱电机株式会社 | Air conditioner |
| JP5452628B2 (en) * | 2010-02-10 | 2014-03-26 | 三菱電機株式会社 | Air conditioner |
| CN102753900B (en) * | 2010-02-10 | 2016-03-30 | 三菱电机株式会社 | Aircondition |
| US9353958B2 (en) | 2010-02-10 | 2016-05-31 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
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