JPH02242058A - Air conditioner - Google Patents
Air conditionerInfo
- Publication number
- JPH02242058A JPH02242058A JP6179689A JP6179689A JPH02242058A JP H02242058 A JPH02242058 A JP H02242058A JP 6179689 A JP6179689 A JP 6179689A JP 6179689 A JP6179689 A JP 6179689A JP H02242058 A JPH02242058 A JP H02242058A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- indoor
- outdoor
- indoor side
- flow rate
- 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
- 238000001816 cooling Methods 0.000 abstract description 20
- 238000010438 heat treatment Methods 0.000 abstract description 19
- 239000003507 refrigerant Substances 0.000 description 27
- 239000007788 liquid Substances 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
- 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、空気調和装置の冷房運転時の部分暖房、暖房
運転時の部分冷房に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to partial heating during cooling operation and partial cooling during heating operation of an air conditioner.
従来の技術 従来の空気調和機を第３図を参考に説明する。Conventional technology A conventional air conditioner will be explained with reference to FIG.
１は、空気調和機の室外機で、圧縮機２、四方弁３、室
外側膨張弁４、室外側熱交換器５、室外側ファン６を、
７は室内機で、室内側膨張弁８、室内側熱交換器９、室
内側ファン１０が設置されている。1 is an outdoor unit of an air conditioner, which includes a compressor 2, a four-way valve 3, an outdoor expansion valve 4, an outdoor heat exchanger 5, an outdoor fan 6,
Reference numeral 7 denotes an indoor unit, in which an indoor expansion valve 8, an indoor heat exchanger 9, and an indoor fan 10 are installed.
次に上記構成の冷房運転時の動作について説明する。Next, the operation of the above configuration during cooling operation will be explained.
圧縮機２で圧縮された高温高圧冷媒は、四方弁３を介し
て室外側熱交換器５で放熱し凝縮し高圧の液冷媒となる
。この液冷媒は、室外側膨張弁４を介して室内側膨張弁
８で減圧され、室内側熱交換器９で室内空気と熱交換・
吸熱して、蒸発し低温低圧のガス冷媒となり、圧縮機２
にもどる。The high-temperature, high-pressure refrigerant compressed by the compressor 2 radiates heat in the outdoor heat exchanger 5 via the four-way valve 3 and condenses to become a high-pressure liquid refrigerant. This liquid refrigerant is depressurized by the indoor expansion valve 8 via the outdoor expansion valve 4, and heat exchanged with indoor air in the indoor heat exchanger 9.
It absorbs heat and evaporates, becoming a low-temperature, low-pressure gas refrigerant that flows into the compressor 2.
Return to
また、暖房運転時の動作については、冷房運転時の動作
の逆サイクルとなる。Furthermore, the operation during heating operation is a reverse cycle of the operation during cooling operation.
発明が解決しようとする課題
しかしながら上記のような構成では、冷房運転時には冷
房だけ、暖房運転時には暖房だけしかできず、部分的に
その冷暖房を補正する、更に冷房運転時に部分暖房をす
る、暖房運転時に部分冷房を、することができずに、室
内環境の快適性、在室者の温熱感覚の個人差に答えるこ
とができないという課題があった。Problems to be Solved by the Invention However, with the above configuration, only cooling can be performed during cooling operation, and only heating can be performed during heating operation. At times, it is not possible to perform partial cooling, and there is a problem that it is not possible to respond to individual differences in the comfort of the indoor environment and the thermal sensation of the occupants.
そこで本発明は、上記従来の課題を解決するために、冷
房運転時の部分暖房、暖房運転時の部分冷房を可能とす
るものである。Therefore, in order to solve the above-mentioned conventional problems, the present invention enables partial heating during cooling operation and partial cooling during heating operation.
課題を解決するための手段
この課題を解決するために本発明は、圧縮機、四方弁、
室外側熱交換器、室外側膨張弁、室内側補助熱交換器、
室内側膨張弁、室内側主熱交換器を環状に接続し、前記
室外側熱交換器をバイパスするバイパス回路に第一の流
量調整弁を設け、前記室内側補助熱交換器をバイパスす
るバイパス回路に第二の流量調整弁を設けたという構成
を備えたものである。Means for Solving the Problems In order to solve the problems, the present invention provides a compressor, a four-way valve,
Outdoor heat exchanger, outdoor expansion valve, indoor auxiliary heat exchanger,
An indoor expansion valve and an indoor main heat exchanger are connected in a ring, a bypass circuit that bypasses the outdoor heat exchanger is provided with a first flow rate regulating valve, and the bypass circuit bypasses the indoor auxiliary heat exchanger. The second flow rate regulating valve is provided with a second flow rate regulating valve.
作用
本発明は、上記した構成によって、冷房運転時の部分暖
房、暖房運転時の部分冷房を可能とするものである。Function The present invention enables partial heating during cooling operation and partial cooling during heating operation with the above-described configuration.
実施例
以下、本発明の一実施例を第１図、第２図を参考に説明
するが、従来と同一構成については同一符号を付し、そ
の詳細な説明を省略する。Embodiment Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 and 2. Structures that are the same as those of the prior art are denoted by the same reference numerals, and detailed explanation thereof will be omitted.
４０は、空気調和機の室外機で、圧縮機２、四方弁３、
室外側膨張弁４、室外側熱交換器５、室外側熱交換器５
をバイパスする第一の流量調整弁３２を設けたバイパス
回路３３、室外側ファン６を、２０は室内機で、二方弁
２１、室内側補助熱交換器２２、室内側膨張弁２３、室
内側主熱交換器２４、・室内側ファン２７、室内側補助
熱交換器２２をバイパスする第二の流量調整弁２５を設
けたバイパス回路２６、室内側ファン３４が設置されて
いる。２８は、室内機２０の風路を室内側補助熱交換器
２２側と室内側主熱交換器２４側とに分離する支切り板
であり、２９は、ダクト３０．８１に風路を切り替える
風路切り替え装置である。40 is an outdoor unit of an air conditioner, which includes a compressor 2, a four-way valve 3,
Outdoor expansion valve 4, outdoor heat exchanger 5, outdoor heat exchanger 5
20 is an indoor unit, two-way valve 21, indoor side auxiliary heat exchanger 22, indoor side expansion valve 23, indoor side fan 6, The main heat exchanger 24, an indoor fan 27, a bypass circuit 26 provided with a second flow rate regulating valve 25 that bypasses the indoor auxiliary heat exchanger 22, and an indoor fan 34 are installed. 28 is a partition plate that separates the air path of the indoor unit 20 into the indoor auxiliary heat exchanger 22 side and the indoor main heat exchanger 24 side; It is a road switching device.
次に上記構成の冷房運転時の動作について説明する。Next, the operation of the above configuration during cooling operation will be explained.
冷房運転時に冷房だけを行なう場合は、圧縮機２で圧縮
された高温高圧冷媒は、四方弁３を介して室外側熱交換
器５で放熱し凝縮し高圧の液冷媒となる。この液冷媒は
、室外側膨張弁４（全開）を介して室内側補助熱交換器
２２をバイパスする第二の流量調整弁２５（全開）を設
けたバイパス回路２６をとうり室内側膨張弁２３で減圧
され、室内側主熱交換器２４で室内空気と熱交換・吸熱
して、蒸発し低温低圧のガス冷媒となり、圧縮機２にも
どる。この時、第一の流量調整弁３２、二方弁２１は、
全閉である。また、風路切り替え装置２９により支切り
板２８で支切られた室内側補助熱交換器２２側風路は全
開となり、ダクト３０またはダクト３１に冷風が供給さ
れる。When only cooling is performed during cooling operation, the high-temperature, high-pressure refrigerant compressed by the compressor 2 radiates heat in the outdoor heat exchanger 5 via the four-way valve 3 and condenses to become a high-pressure liquid refrigerant. This liquid refrigerant passes through a bypass circuit 26 provided with a second flow rate adjustment valve 25 (fully open) that bypasses the indoor auxiliary heat exchanger 22 via the outdoor expansion valve 4 (fully open), and then passes through the indoor expansion valve 23. The refrigerant is depressurized, exchanges heat with and absorbs heat from indoor air in the indoor main heat exchanger 24, evaporates, becomes a low-temperature, low-pressure gas refrigerant, and returns to the compressor 2. At this time, the first flow rate regulating valve 32 and the two-way valve 21 are
It is fully closed. Further, the air passage on the indoor side auxiliary heat exchanger 22 side, which is separated by the dividing plate 28 by the air passage switching device 29, is fully opened, and cold air is supplied to the duct 30 or the duct 31.
冷房運転時に冷房すると共に、部分暖房を行なう場合は
、圧縮機２で圧縮された高温高圧冷媒は、四方弁３を介
して室外側熱交換器５で放熱し凝縮し高圧の液冷媒とな
り、また、室外側熱交換器５のバイパス回路３３の第一
の流量調整弁３２（流量調整）を介して未凝縮の高圧ガ
ス冷媒が室外側熱交換器５出口で合渣する。この液冷媒
は、室外側膨張弁４（全開）を介して、二方弁２１（全
開）を介して室内側補助熱交換器２２にいき室内空気と
熱交換・放熱するとと共に、並行して室内側補助熱交換
器２２をバイパスする第二の流量調整弁２５（流量調整
）を設けたバイパス回路２６をとうり、室内側膨張弁２
３で減圧され、室内側主熱交換器２４で室内空気と熱交
換・吸熱して、蒸発し低温低圧のガス冷媒となり、圧縮
１１２にもどる。When performing air conditioning and partial heating during cooling operation, the high-temperature, high-pressure refrigerant compressed by the compressor 2 radiates heat and condenses in the outdoor heat exchanger 5 via the four-way valve 3, becoming a high-pressure liquid refrigerant. The uncondensed high-pressure gas refrigerant is collected at the outlet of the outdoor heat exchanger 5 via the first flow rate adjustment valve 32 (flow rate adjustment) of the bypass circuit 33 of the outdoor heat exchanger 5. This liquid refrigerant passes through the outdoor expansion valve 4 (fully open) and the two-way valve 21 (fully open) to the indoor auxiliary heat exchanger 22, where it exchanges heat with the indoor air and radiates heat, and at the same time, heats the indoor air. The indoor expansion valve 2
The refrigerant is depressurized in step 3, exchanges heat with and absorbs heat from the indoor air in the indoor main heat exchanger 24, evaporates, becomes a low-temperature, low-pressure gas refrigerant, and returns to compression step 112.
また、風路切り替え装置２９により、支切り板２８で支
切られた室内側補助熱交換器２２側風路と室内側主熱交
換器２４側風路は、ダクト３０またはダクト３１に切り
替えられ、室内側主熱交換器２４側風路からは冷風が供
給され室内側補助熱交換器２２側風路からは温風が供給
される。Further, the air path switching device 29 switches the indoor auxiliary heat exchanger 22 side air path and the indoor main heat exchanger 24 side air path, which are separated by the dividing plate 28, to the duct 30 or the duct 31, Cold air is supplied from the air passage on the side of the indoor main heat exchanger 24, and warm air is supplied from the air passage on the side of the indoor auxiliary heat exchanger 22.
次に上記構成の暖房運転時の動作について説明する。Next, the operation of the above configuration during heating operation will be explained.
暖房運転時に暖房だけを行なう場合は、圧縮機２で圧縮
された高温高圧冷媒は、四方弁３を介して室内側主熱交
換器２４で室内空気と熱交換・放熱し凝縮し高圧の液冷
媒となる。この液冷媒は、室内側膨張弁２３（全開）を
介して室内側補助熱交換器２２、二方弁２１をバイパス
する第二の流量調整弁２５（全開）を設けたバイパス回
路２６をとうり、室外側膨張弁４で減圧され、室外側熱
交換器５で吸熱して、蒸発し低温低圧のガス冷媒となり
、圧縮機２にもどる。この時、第一の流量調整弁３２、
二方弁２１は、全閉である。また、風路切り替え装置２
９により支切り板２８で支切られた室内側補助熱交換器
２２側風路は全閉となり、ダクト３０またはダクト３１
に温風が供給される。When only heating is performed during heating operation, the high-temperature, high-pressure refrigerant compressed by the compressor 2 passes through the four-way valve 3 to the indoor main heat exchanger 24, where it exchanges heat with indoor air, radiates heat, and condenses into high-pressure liquid refrigerant. becomes. This liquid refrigerant is passed through an indoor expansion valve 23 (fully open), an indoor auxiliary heat exchanger 22, and a bypass circuit 26 provided with a second flow rate adjustment valve 25 (fully opened) that bypasses the two-way valve 21. The refrigerant is depressurized by the outdoor expansion valve 4, absorbs heat by the outdoor heat exchanger 5, evaporates, becomes a low-temperature, low-pressure gas refrigerant, and returns to the compressor 2. At this time, the first flow rate regulating valve 32,
The two-way valve 21 is fully closed. In addition, the air path switching device 2
9, the indoor auxiliary heat exchanger 22 side air passage separated by the partition plate 28 is completely closed, and the duct 30 or 31
Hot air is supplied to the
暖房運転時に暖房すると共に、部分冷房を行なう場合は
、圧縮機２で圧縮された高温高圧冷媒は、四方弁３を介
して室内側主熱交換器２４で室内空気と熱交換・放熱し
凝縮し高圧の液冷媒となる。When performing heating and partial cooling during heating operation, the high-temperature, high-pressure refrigerant compressed by the compressor 2 exchanges heat with indoor air in the indoor main heat exchanger 24 via the four-way valve 3, radiates heat, and condenses. It becomes a high-pressure liquid refrigerant.
この液冷媒は、室内側膨張弁２３にて一段減圧し、室内
側補助熱交換器２２にて室内空気と熱交換・蒸発し少し
高めの低温低圧のガス冷媒となると共に、室内側補助熱
交換器２２、二方弁２１をバイパスする第二の流量調整
弁２５（流量調整）を設けたバイパス回路２６をとうっ
た少し高めの低温低圧の二相冷媒と合流し、室外側膨張
弁４で更に減圧され、室外側熱交換器５のバイパス回路
３３の第一の流量調整弁３２（流量調整）をとうると共
に、並行して室外側熱交換器５で吸熱して、蒸発し低温
低圧のガス冷媒となり、圧縮機２にもどる。また、風路
切り替え装置２９により、支切り板２８で支切られた室
内側補助熱交換器２２側風路と室内側主熱交換器２４側
風路は、ダクト３０またはダクト３１に切り替えられ、
室内側主熱交換器２４側風路からは温風が供給され室内
側補助熱交換器２２側風路からは冷風が供給される。This liquid refrigerant is depressurized one step by the indoor expansion valve 23, heat exchanged with indoor air and evaporated in the indoor auxiliary heat exchanger 22, and becomes a gas refrigerant with a slightly higher temperature and low pressure. The refrigerant flows through the bypass circuit 26, which is equipped with a second flow rate adjustment valve 25 (flow rate adjustment) that bypasses the two-way valve 21 and the two-phase refrigerant at a slightly higher temperature and low pressure. The pressure is further reduced, and the first flow rate adjustment valve 32 (flow rate adjustment) of the bypass circuit 33 of the outdoor heat exchanger 5 is removed, and at the same time, heat is absorbed in the outdoor heat exchanger 5, and evaporation occurs at low temperature and low pressure. It becomes a gas refrigerant and returns to the compressor 2. Further, the air path switching device 29 switches the indoor auxiliary heat exchanger 22 side air path and the indoor main heat exchanger 24 side air path, which are separated by the dividing plate 28, to the duct 30 or the duct 31,
Warm air is supplied from the air passage on the side of the indoor main heat exchanger 24, and cold air is supplied from the air passage on the side of the indoor auxiliary heat exchanger 22.
発明の効果
以上のように本発明は、圧縮機、西方弁、室外側熱交換
器、室外側膨張弁、室内側補助熱交換器、室内側膨張弁
、室内側主熱交換器を環状に接続し、前記室外側熱交換
器をバイパスするバイパス回路に第一の流量調整弁を設
け、前記室内側補助熱交換器をバイパスするバイパス回
路に第二の流量調整弁を設けたという構成をえることに
より、冷房運転時の部分暖房、暖房運転時の部分冷房を
可能とすることができ、室内環境の快適性、在室者の温
熱感覚の個人差に答えることができるようになり、その
実用的効果は大なるものがある。Effects of the Invention As described above, the present invention connects a compressor, a western valve, an outdoor heat exchanger, an outdoor expansion valve, an indoor auxiliary heat exchanger, an indoor expansion valve, and an indoor main heat exchanger in an annular manner. and a first flow rate regulating valve is provided in a bypass circuit that bypasses the outdoor heat exchanger, and a second flow rate regulating valve is provided in a bypass circuit that bypasses the indoor auxiliary heat exchanger. This makes it possible to perform partial heating during cooling operation and partial cooling during heating operation, making it possible to respond to individual differences in the comfort of the indoor environment and the thermal sensation of occupants, and to improve its practical use. The effects are huge.
第１図は本発明の一実施例における空気調和装置の冷凍
サイクル図、第２図は同空気調和装置の室内機風路構成
図、第３図は従来の空気調和装置の冷凍サイクル図であ
る。
１・・・室外機、５・・・室外側熱交換器、２０・・・
室内機、２１・・・二方弁、２２・室内側補助熱交換器
、２３・・・室内側膨張弁、２４・・・室内側主熱交換
器、２５・・・第二の流量調整弁、２６・・・第二のバ
イパス回路、２９・・・風路切り替え装置、３２・ ・
第一の流量調整弁、３３・・・第一のバイパス回路。
代理人の氏名 弁理士 粟野 重孝 はか１名ｉｔ図Fig. 1 is a refrigeration cycle diagram of an air conditioner according to an embodiment of the present invention, Fig. 2 is an indoor unit air passage configuration diagram of the same air conditioner, and Fig. 3 is a refrigeration cycle diagram of a conventional air conditioner. . 1... Outdoor unit, 5... Outdoor heat exchanger, 20...
Indoor unit, 21... Two-way valve, 22... Indoor auxiliary heat exchanger, 23... Indoor expansion valve, 24... Indoor main heat exchanger, 25... Second flow rate adjustment valve , 26... second bypass circuit, 29... air path switching device, 32...
First flow rate regulating valve, 33...first bypass circuit. Name of agent: Patent attorney Shigetaka Awano
Claims (1)
側補助熱交換器、室内側膨張弁、室内側主熱交換器を環
状に接続し、前記室外側熱交換器をバイパスするバイパ
ス回路に第一の流量調整弁を設け、前記室内側補助熱交
換器をバイパスするバイパス回路に第二の流量調整弁を
設けたことを特徴とする空気調和装置。A compressor, a four-way valve, an outdoor heat exchanger, an outdoor expansion valve, an indoor auxiliary heat exchanger, an indoor expansion valve, and an indoor main heat exchanger are connected in a ring, and the outdoor heat exchanger is bypassed. An air conditioner characterized in that a first flow rate adjustment valve is provided in a bypass circuit, and a second flow rate adjustment valve is provided in a bypass circuit that bypasses the indoor auxiliary heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6179689A JPH02242058A (en) | 1989-03-14 | 1989-03-14 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6179689A JPH02242058A (en) | 1989-03-14 | 1989-03-14 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02242058A true JPH02242058A (en) | 1990-09-26 |
Family
ID=13181425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6179689A Pending JPH02242058A (en) | 1989-03-14 | 1989-03-14 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02242058A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140260386A1 (en) * | 2013-03-14 | 2014-09-18 | Mitsubishi Electric Us, Inc. | Air conditioning system including pressure control device and bypass valve |
-
1989
- 1989-03-14 JP JP6179689A patent/JPH02242058A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140260386A1 (en) * | 2013-03-14 | 2014-09-18 | Mitsubishi Electric Us, Inc. | Air conditioning system including pressure control device and bypass valve |
| JP2016510392A (en) * | 2013-03-14 | 2016-04-07 | 三菱電機株式会社 | Air conditioning system and controller |
| RU2612995C1 (en) * | 2013-03-14 | 2017-03-14 | Мицубиси Электрик Корпорейшн | Air conditioning system, including device controlling pressure and bypass valve |
| US9605885B2 (en) * | 2013-03-14 | 2017-03-28 | Mitsubishi Electric Corporation | Air conditioning system including pressure control device and bypass valve |
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