JP2675620B2 - Heat pump type air conditioner - Google Patents

Heat pump type air conditioner

Info

Publication number
JP2675620B2
JP2675620B2 JP12148089A JP12148089A JP2675620B2 JP 2675620 B2 JP2675620 B2 JP 2675620B2 JP 12148089 A JP12148089 A JP 12148089A JP 12148089 A JP12148089 A JP 12148089A JP 2675620 B2 JP2675620 B2 JP 2675620B2
Authority
JP
Japan
Prior art keywords
circuit
heat exchanger
hot water
heating
tube
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.)
Expired - Lifetime
Application number
JP12148089A
Other languages
Japanese (ja)
Other versions
JPH02302568A (en
Inventor
清 福沢
輝明 長沢
和夫 森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP12148089A priority Critical patent/JP2675620B2/en
Publication of JPH02302568A publication Critical patent/JPH02302568A/en
Application granted granted Critical
Publication of JP2675620B2 publication Critical patent/JP2675620B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

Landscapes

  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、冷房時の排熱回収または暖房時の能力バッ
クアップと冷房時の排熱回収とを行なうことができるヒ
ートポンプ式冷暖房装置に関する。
Description: TECHNICAL FIELD The present invention relates to a heat pump type cooling / heating device capable of performing exhaust heat recovery during cooling or capacity backup during heating and exhaust heat recovery during cooling.

〔従来の技術〕[Conventional technology]

一般的な従来のヒートポンプ式冷暖房装置のシステム
構成を第9図,第10図に示す。装置は、圧縮機1、四方
弁2、室外熱交換器3、室外送風機4、キャピラリチュ
ーブ5、室内熱交換器6、室内送風機7、気液分離器
8、これら各部を結ぶ冷媒配管から構成されており、図
中実線矢印は冷媒流れ方向を示す。
The system configuration of a general conventional heat pump type air conditioner is shown in Figs. The apparatus is composed of a compressor 1, a four-way valve 2, an outdoor heat exchanger 3, an outdoor blower 4, a capillary tube 5, an indoor heat exchanger 6, an indoor blower 7, a gas-liquid separator 8, and a refrigerant pipe connecting these parts. The solid arrows in the figure indicate the direction of refrigerant flow.

第10図は暖房時の系統図で、圧縮機1から吐出された
高温高圧の冷媒ガスは、四方弁2を通過して室内熱交換
器6へ入り、ここで放熱して凝縮する。室内熱交換器6
から出た中温高圧の冷媒液はキャピラリチューブ5を通
って低圧低温の液となり、その冷媒は、室外熱交換器3
を通り、外気より吸熱して低温低圧のガスになり、四方
弁2および気液分離器8を通って再び圧縮機1に吸込ま
れる。
FIG. 10 is a system diagram during heating. The high-temperature high-pressure refrigerant gas discharged from the compressor 1 passes through the four-way valve 2 and enters the indoor heat exchanger 6, where it radiates heat and condenses. Indoor heat exchanger 6
The medium-temperature and high-pressure refrigerant liquid that has flowed out of the chamber passes through the capillary tube 5 to become a low-pressure and low-temperature liquid, and the refrigerant is the outdoor heat exchanger 3
Through the outside air to become a low-temperature low-pressure gas, which is sucked into the compressor 1 again through the four-way valve 2 and the gas-liquid separator 8.

第9図は冷房時の系統図で、圧縮機1から吐出された
高温高圧の冷媒ガスは、四方弁2を通過し、室外熱交換
器3で凝縮する。室外熱交換器3から出た中温高圧の冷
媒液は、キャピラリチューブ5で断熱膨張して低温低圧
液となり、室内熱交換器6で蒸発する。室内熱交換器6
から出た低温低圧の冷媒ガスは、四方弁2を通過し、気
液分離器8で気液分離され、冷媒ガスのみが再び圧縮機
1に吸込まれる。
FIG. 9 is a system diagram during cooling, in which the high-temperature and high-pressure refrigerant gas discharged from the compressor 1 passes through the four-way valve 2 and is condensed in the outdoor heat exchanger 3. The medium-temperature high-pressure refrigerant liquid discharged from the outdoor heat exchanger 3 is adiabatically expanded in the capillary tube 5 to become a low-temperature low-pressure liquid, and evaporated in the indoor heat exchanger 6. Indoor heat exchanger 6
The low-temperature low-pressure refrigerant gas that has exited from the gas passes through the four-way valve 2, is separated into gas and liquid by the gas-liquid separator 8, and only the refrigerant gas is sucked into the compressor 1 again.

〔発明が解決しようとする課題〕[Problems to be solved by the invention]

上記のようなヒートポンプ式冷暖房装置は、暖房時に
下記のような問題がある。
The heat pump type air conditioner as described above has the following problems during heating.

(1)起動時(立ち上がり時)の速暖性が劣っている。(1) The quick warming property at the time of starting (at the time of starting) is poor.

(2)外気温が低下すると暖房能力が顕著に低下する。(2) When the outside air temperature decreases, the heating capacity significantly decreases.

(3)室外熱交換器に霜が着くと、除霜運転を行なって
暖房を中断することがある。
(3) When frost forms on the outdoor heat exchanger, defrosting operation may be performed to interrupt heating.

また、冷房時には、外気に放熱するのみで、排熱が有
効に利用されていないという問題がある。
Further, during cooling, there is a problem that only the heat is radiated to the outside air, and the waste heat is not effectively used.

本発明は、前記の如き従来技術の問題点を改善し、風
呂装置を利用して冷房時の排熱回収または暖房時の能力
バックアップと冷房時の排熱回収とを行うことができる
ヒートポンプ式冷暖房装置を提供することを目的とす
る。
The present invention solves the problems of the prior art as described above, and uses a bath device to recover exhaust heat during cooling or backup capacity during heating and recover exhaust heat during cooling. The purpose is to provide a device.

〔課題を解決するための手段〕[Means for solving the problem]

上記の目的を達成するため、本発明は、ヒートポンプ
式冷暖房装置のキャピラリチューブをメインとサブとに
2分割すると共に、そのメインとサブのキャピラリチュ
ーブ間に、温水・冷媒熱交換器と制御弁とを直列接続し
た回路とこれと並列の制御弁を有する回路とを配設し、
かつ、前記サブキャピラリチューブと室外熱交換器との
直列回路と並列に制御弁を有するバイパス回路を接続
し、冷房に際し、前記各制御弁を切替えて、メインキャ
ピラリチューブ,温水・冷媒熱交換器,バイパス回路を
経由する回路となすと共に、前記温水・冷媒熱交換器を
風呂装置の循環追焚回路に接続して、冷房時の排熱回収
を行なうようにしたことを特徴とする また、本発明は、前記各制御弁を切り替えて、暖房時
の能力バックアップと前記冷房時の排熱回収とを行ない
得るようにしたことを特徴とする。
In order to achieve the above object, the present invention divides a capillary tube of a heat pump type air conditioner into two parts, a main tube and a sub tube, and a hot water / refrigerant heat exchanger and a control valve between the main and sub capillary tubes. And a circuit having a control valve in parallel therewith are arranged,
And, by connecting a bypass circuit having a control valve in parallel with the series circuit of the sub-capillary tube and the outdoor heat exchanger, during cooling, switching each control valve, the main capillary tube, hot water / refrigerant heat exchanger, In addition to forming a circuit via a bypass circuit, the hot water / refrigerant heat exchanger is connected to a circulation heating circuit of a bath device to recover exhaust heat during cooling. Is characterized in that the respective control valves are switched so that capacity backup during heating and exhaust heat recovery during cooling can be performed.

〔作 用〕(Operation)

本発明のヒートポンプ式冷暖房装置は、前記の如く構
成されているので、冷房時には、メインキャピラリチュ
ーブ,温水・冷媒熱交換器,バイパス回路を経由する回
路となし、風呂装置の循環追焚用ポンプを駆動して温水
・冷媒熱交換器に浴槽中の水または給水を循環させれ
ば、従来大気中に放出されていた排熱を回収して浴槽中
の水を加熱することができ、また、暖房時には、メイン
キャピラリチューブ,温水・冷媒熱交換器,サブキャピ
ラリチューブを経由する回路を選択し、風呂装置の循環
追焚用ポンプを駆動して温水・冷媒熱交換器に浴槽中の
温水または循環追焚回路において加熱した温水を循環さ
せて暖房能力をバックアップさせることができる。
Since the heat pump type cooling and heating device of the present invention is configured as described above, at the time of cooling, the main capillary tube, the hot water / refrigerant heat exchanger, the circuit passing through the bypass circuit, and the circulation heating pump of the bath device are used. By driving to circulate the water in the bathtub or the feed water to the hot water / refrigerant heat exchanger, it is possible to recover the exhaust heat that was conventionally released to the atmosphere and heat the water in the bathtub. At times, a circuit that passes through the main capillary tube, the hot water / refrigerant heat exchanger, and the subcapillary tube is selected, and the circulation heating pump of the bath device is driven to drive the hot water / refrigerant heat exchanger into the hot water in the bath or the circulation additional heat. The heating capacity can be backed up by circulating hot water heated in the heating circuit.

〔実施例〕〔Example〕

以下、第1図ないし第8図について本発明の一実施例
を説明する。
An embodiment of the present invention will be described below with reference to FIGS.

第1図ないし第6図において、1は圧縮機、2は四方
弁、3は室外熱交換器、4は同送風機、5aはメインキャ
ピラリチューブ、5bはサブキャピラリチューブ、6は室
内熱交換器、7は同送風機、8は気液分離器である。A
は室外機、Bは室内機である。
1 to 6, 1 is a compressor, 2 is a four-way valve, 3 is an outdoor heat exchanger, 4 is the same blower, 5a is a main capillary tube, 5b is a subcapillary tube, 6 is an indoor heat exchanger, Reference numeral 7 is the same blower, and 8 is a gas-liquid separator. A
Is an outdoor unit and B is an indoor unit.

本発明においては、キャピラリチューブを前記の如く
メインキャピラリチューブ5aとサブキャピラリチューブ
5bとに分割すると共に、両者の間に、温水・冷媒熱交換
器9と制御弁10とを直列接続した回路11と、これと並列
の制御弁12を有する回路13とを配設し、さらに、サブキ
ャピラリチューブ5bと室外熱交換器3との直列回路と並
列に制御弁14を有するバイパス回路15を配設し、各制御
弁10,12,14を切替えることにより、暖房に際し、メイン
キャピラリチューブ5a,温水・冷媒熱交換器9,サブキャ
ピラリチューブ5bを経由する回路と、メインキャピラリ
チューブ5a,サブキャピラリチューブ5bを経由する回路
とを選択的に使用し得るようにし、また、冷房時には、
メインキャピラリチューブ5a,温水・冷媒熱交換器9,バ
イパス回路15を経由する回路となし、さらに前記の温水
・冷媒熱交換器9は、ポンプ16により浴槽中の湯を循環
追焚きすることができるようにした風呂装置Cの循環追
焚回路に接続する。すなわち、この実施例の風呂装置
は、給湯用熱交換器17と循環追焚用の熱交換器18とを有
し、給湯用熱交換器17により加熱した湯をシスターン19
→ポンプ16→循環追焚回路を介して浴槽20中に給湯し、
また、ポンプ16を駆動すると共に循環追焚用熱交換器18
のバーナを燃焼させて浴槽中の湯を循環追焚きすること
ができるように構成されている。そして、前記温水・冷
媒熱交換器9への往管21は三方弁22を介して追焚用熱交
換器18の出側(循環管路としては戻り側)に接続し、他
方の戻り管23は前記三方弁22より浴槽側へ接続すると共
に、それよりさらに浴槽側から三方弁24を介してシスタ
ーン19中に給水し得るように構成されている。なお、2
5,26は電磁弁である。
In the present invention, the capillary tubes are the main capillary tube 5a and the sub-capillary tube as described above.
5b and a circuit 11 in which a hot water / refrigerant heat exchanger 9 and a control valve 10 are connected in series and a circuit 13 having a control valve 12 in parallel therewith are disposed between the two. By disposing the bypass circuit 15 having the control valve 14 in parallel with the series circuit of the sub-capillary tube 5b and the outdoor heat exchanger 3 and switching the control valves 10, 12, 14 to heat the main capillary tube. 5a, hot water / refrigerant heat exchanger 9, a circuit passing through the subcapillary tube 5b, and a main capillary tube 5a, a circuit passing through the subcapillary tube 5b, so that it can be selectively used, also during cooling,
The main capillary tube 5a, the hot water / refrigerant heat exchanger 9, and the bypass circuit 15 are not included in the circuit. Further, the hot water / refrigerant heat exchanger 9 can reheat the hot water in the bath by a pump 16. Then, the bath device C is connected to the circulation heating circuit. That is, the bath apparatus of this embodiment has a hot water supply heat exchanger 17 and a circulation heating heat exchanger 18, and the hot water heated by the hot water supply heat exchanger 17 is transformed into a cistern 19
→ Pump 16 → Hot water is supplied to the bathtub 20 through the circulation heating circuit,
Further, the pump 16 is driven and the heat exchanger 18 for circulation heating
The burner is burned to circulate and reheat the hot water in the bathtub. The forward pipe 21 to the hot water / refrigerant heat exchanger 9 is connected to the outlet side (return side as a circulation pipe line) of the additional heating heat exchanger 18 via a three-way valve 22, and the other return pipe 23 Is connected to the bathtub side from the three-way valve 22, and water can be supplied into the systern 19 from the bathtub side further via the three-way valve 24. Note that 2
5,26 are solenoid valves.

本発明のヒートポンプ式冷暖房装置は、上記の如く構
成されているので、暖房時には以下述べるように動作す
る。
Since the heat pump type air conditioner of the present invention is configured as described above, it operates as described below during heating.

外気温が低くて浴槽中に湯がある場合 第2図に示すように、冷暖房装置の制御弁10を開くと
共に制御弁12,14を閉じ、風呂装置側では、電磁弁25を
開、電磁弁26を閉とし、三方弁22の出側を温水・冷媒熱
交換器9側へ、三方弁24の出側を浴槽20側へとして運転
する。
When the outside air temperature is low and there is hot water in the bathtub As shown in FIG. 2, the control valve 10 of the cooling and heating device is opened and the control valves 12 and 14 are closed. On the bath device side, the solenoid valve 25 is opened and the solenoid valve is opened. With 26 closed, operation is performed with the outlet side of the three-way valve 22 facing the hot water / refrigerant heat exchanger 9 side and the outlet side of the three-way valve 24 facing the bath 20 side.

冷媒は、圧縮機1にて高温高圧のガスに圧縮され、四
方弁2を通って室内熱交換器6に入り、ここで放熱して
凝縮され、冷媒は高圧中温(例えば20kg/cm2,50〜55
℃)の液となる。その冷媒はメインキャピラリチューブ
5aを通って低圧低温(例えば11kg/cm2,30℃)の気液混
合冷媒(例えば液0.8,気0.2)となり、この冷媒が温水
・冷媒熱交換器9で加熱されて気液比が例えば0.5対0.5
となり、次いでサブキャピラリチューブ5bによりさらに
低圧低温(例えば3kg/cm2,−10℃)の気液になり、室外
熱交換器3によって加熱され、低圧低温(例えば3kg/cm
2,−5℃)のガスとなり、四方弁2を通って圧縮機に戻
る。
The refrigerant is compressed into high-temperature and high-pressure gas by the compressor 1, passes through the four-way valve 2 and enters the indoor heat exchanger 6, where heat is radiated and condensed, and the refrigerant is at high pressure and intermediate temperature (for example, 20 kg / cm 2 , 50 ~ 55
℃) liquid. The refrigerant is the main capillary tube
A low-pressure low-temperature (for example, 11 kg / cm 2 , 30 ° C.) gas-liquid mixed refrigerant (for example, liquid 0.8, gas 0.2) is passed through 5 a, and this refrigerant is heated by the hot water / refrigerant heat exchanger 9 so that the gas-liquid ratio becomes, for example. 0.5 to 0.5
Then, by the subcapillary tube 5b, it becomes a low-pressure low-temperature (for example, 3 kg / cm 2 , −10 ° C.) gas-liquid, which is heated by the outdoor heat exchanger 3, and then low-pressure low-temperature (for example, 3 kg / cm 2).
(2 , -5 ° C) gas, and returns to the compressor through the four-way valve 2.

浴槽中に温水がない場合には、冷暖房装置側は第2図
と同様であるが、風呂装置側は、第3図に示すように、
三方弁24をシスターン側に向わせると共に電磁弁25を
閉、電磁弁26を開とし、ポンプ16を駆動すると共に追焚
用熱交換器18のバーナを燃焼させて暖房運転を行なう。
このようにすると、追焚用熱交換器18で加熱された温水
は三方弁22を経由して温水・冷媒熱交換器9に供給さ
れ、三方弁24を介してシスターン19に戻り、再び追焚用
熱交換器18により加熱されて循環し、かくして冷媒を加
熱する。
When there is no hot water in the bathtub, the cooling and heating device side is the same as that in FIG. 2, but the bath device side is as shown in FIG.
The three-way valve 24 is directed to the cistern side, the electromagnetic valve 25 is closed, the electromagnetic valve 26 is opened, the pump 16 is driven, and the burner of the reheating heat exchanger 18 is burned to perform the heating operation.
In this way, the hot water heated by the heating heat exchanger 18 is supplied to the hot water / refrigerant heat exchanger 9 via the three-way valve 22, returns to the cistern 19 via the three-way valve 24, and is heated again. It is heated by the heat exchanger 18 for circulation and circulates, thus heating the refrigerant.

外気温が高い場合(従来と同様) この場合は、第4図に示すように、制御弁10,14を閉
じると共に制御弁12を開き、風呂装置Cは使用しない。
When the outside air temperature is high (as in the conventional case) In this case, as shown in FIG. 4, the control valves 10 and 14 are closed and the control valve 12 is opened, and the bath device C is not used.

冷媒は、圧縮機1で圧縮されて高温高圧のガスにな
り、四方弁2を通って室内熱交換器6に入り、ここで放
熱して凝縮する。冷媒は高圧中温の液となり、メインキ
ャピラリチューブ5aおよびサブキャピラリチューブ5bで
減圧されて低圧低温の液となり、室外熱交換器3を通
り、ここで外気より吸熱して低温低圧のガスになり、四
方弁2を通って圧縮機1に戻る。
The refrigerant is compressed by the compressor 1 into high-temperature and high-pressure gas, passes through the four-way valve 2 and enters the indoor heat exchanger 6, where it radiates heat and condenses. The refrigerant becomes a high-pressure medium-temperature liquid, which is decompressed by the main capillary tube 5a and the sub-capillary tube 5b to become a low-pressure low-temperature liquid, which passes through the outdoor heat exchanger 3, where it absorbs heat from the outside air to become a low-temperature low-pressure gas, Return to compressor 1 through valve 2.

第7図は前記第2図および第3図に示す運転状態にお
けるモリエル線図、第8図は第4図に示す運転状態にお
けるモリエル線図である。
FIG. 7 is a Mollier diagram in the operating state shown in FIGS. 2 and 3, and FIG. 8 is a Mollier diagram in the operating state shown in FIG.

冷房時 冷暖房装置の制御弁12を閉じ、制御弁10,14を開く。
風呂装置C側は、浴槽中に水がある場合には三方弁22を
温水・冷媒熱交換器9側に、三方弁24を浴槽20側とし、
かつ、電磁弁25を開、電磁弁26を閉としてポンプ16を駆
動する(第5図参照)。
During cooling The control valve 12 of the heating and cooling device is closed and the control valves 10 and 14 are opened.
On the bath device C side, when there is water in the bathtub, the three-way valve 22 is the hot water / refrigerant heat exchanger 9 side, and the three-way valve 24 is the bathtub 20 side,
At the same time, the solenoid valve 25 is opened and the solenoid valve 26 is closed to drive the pump 16 (see FIG. 5).

浴槽20中に水がない場合は、三方弁22,24を前記の如
くすると共に、電磁弁25を閉、電磁弁26を開とし、給湯
用熱交換器17および循環追焚用熱交換器18のバーナを燃
焼せしめることなく給水し、その給水をポンプ16により
温水・冷媒熱交換器9を経由して浴槽20中に供給する
(第6図参照)。
When there is no water in the bathtub 20, the three-way valves 22 and 24 are set as described above, the solenoid valve 25 is closed, the solenoid valve 26 is opened, and the hot water heat exchanger 17 and the circulation reheating heat exchanger 18 are The burner is supplied with water without being burned, and the supplied water is supplied by the pump 16 into the bath 20 via the hot water / refrigerant heat exchanger 9 (see FIG. 6).

冷房時には、第5図および第6図に示すように、温水
・冷媒熱交換器9において浴槽中の水または浴槽への給
水と熱交換して排熱を回収し、かくして浴槽中の水の加
熱または浴槽への湯張りを行なう。
During cooling, as shown in FIGS. 5 and 6, the hot water / refrigerant heat exchanger 9 exchanges heat with the water in the bathtub or the water supplied to the bathtub to recover the exhaust heat, thus heating the water in the bathtub. Or fill the bathtub with hot water.

〔発明の効果〕〔The invention's effect〕

以上述べたように、本発明によれば、暖房時には、浴
槽中の湯または循環加熱された湯を利用して暖房能力の
バックアップを行なうと共に、冷房時には排熱を回収し
て浴槽中の湯の加熱または湯張りを行なうことができ
る。
As described above, according to the present invention, at the time of heating, the heating capacity is backed up by using the hot water in the bathtub or the hot water circulated, and at the time of cooling, the exhaust heat is recovered to remove the hot water in the bathtub. Heating or filling can be performed.

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

第1図は本発明の一実施例を示す暖房時の系統図、第2
図は外気温が低くて浴槽中に湯がある場合の暖房時の系
統図、第3図は外気温が低くて浴槽中に湯がない場合の
暖房時の系統図、第4図は通常暖房時の系統図、第5図
は浴槽中に水がある場合の冷房時の系統図、第6図は浴
槽中に水がない場合の冷房時の系統図である。第7図は
第2図,第3図に示す暖房時のモリエル線図、第8図は
第4図に示す暖房時のモリエル線図である。第9図は従
来のヒートポンプ式冷暖房装置の冷房時の系統図、第10
図は同じく暖房時の系統図である。 1……圧縮機、2……四方弁、3……室外熱交換器、5a
……メインキャピラリチューブ、5b……サブキャピラリ
チューブ、6……室内熱交換器、8……気液分離器、9
……温水・冷媒熱交換器、10,12,14……制御弁、15……
バイパス回路、A……室外機、B……室内機、C……風
呂装置、16……ポンプ、17……給湯用熱交換器、18……
循環追焚き用熱交換器、19……シスターン、20……浴
槽、22,24……三方弁、25,26……電磁弁。
FIG. 1 is a system diagram during heating showing an embodiment of the present invention, FIG.
Figure shows a system diagram for heating when the outside temperature is low and there is hot water in the bathtub, Fig. 3 is a system diagram for heating when the outside temperature is low and there is no hot water in the bathtub, and Fig. 4 is normal heating Fig. 5 is a system diagram during cooling when there is water in the bathtub, and Fig. 6 is a system diagram during cooling when there is no water in the bathtub. FIG. 7 is a Mollier diagram during heating shown in FIGS. 2 and 3, and FIG. 8 is a Mollier diagram during heating shown in FIG. Fig. 9 is a system diagram of a conventional heat pump type cooling and heating device during cooling,
The figure is also a system diagram during heating. 1 ... Compressor, 2 ... Four-way valve, 3 ... Outdoor heat exchanger, 5a
...... Main capillary tube, 5b ...... Subcapillary tube, 6 ...... Indoor heat exchanger, 8 ...... Gas-liquid separator, 9
...... Hot water / refrigerant heat exchanger, 10, 12, 14 ...... Control valve, 15 ……
Bypass circuit, A ... Outdoor unit, B ... Indoor unit, C ... Bath device, 16 ... Pump, 17 ... Hot water heat exchanger, 18 ...
Circulation reheating heat exchanger, 19 …… cistern, 20 …… bath, 22,24 …… three-way valve, 25,26 …… solenoid valve.

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】ヒートポンプ式冷暖房装置において、キャ
ピラリチューブをメインとサブとに2分割すると共に、
そのメインとサブのキャピラリチューブ間に、温水・冷
媒熱交換器と制御弁とを直列接続した回路とこれと並列
の制御弁を有する回路とを配設し、かつ、前記サブキャ
ピラリチューブと室外熱交換器との直列回路と並列に制
御弁を有するバイパス回路を接続し、冷房に際し、前記
各制御弁を切り替えて、バイパス回路,温水・冷媒熱交
換器,メインキャピラリチューブを経由する回路とな
し、前記温水・冷媒熱交換器を風呂装置の循環追焚回路
に接続して、冷暖房の排熱回収を行うようにしたことを
特徴とするヒートポンプ式冷暖房装置。
1. A heat pump type cooling and heating apparatus, wherein a capillary tube is divided into a main tube and a sub tube, and
Between the main and sub-capillary tubes, a circuit in which a hot water / refrigerant heat exchanger and a control valve are connected in series and a circuit having a control valve in parallel therewith are arranged, and the sub-capillary tube and the outdoor heat By connecting a bypass circuit having a control valve in parallel with the series circuit with the exchanger, switching each control valve during cooling, to form a bypass circuit, a hot water / refrigerant heat exchanger, a circuit via the main capillary tube, A heat pump type cooling and heating device, characterized in that the hot water / refrigerant heat exchanger is connected to a circulation heating circuit of a bath device to recover exhaust heat of cooling and heating.
【請求項2】ヒートポンプ式冷暖房装置において、キャ
ピラリチューブをメインとサブとに2分割すると共に、
そのメインとサブのキャピラリチューブ間に、温水・冷
媒熱交換器と制御弁とを直列接続した回路とこれと並列
の制御弁を有する回路とを配設し、かつ、前記サブキャ
ピラリチューブと室外熱交換器との直列回路と並列に制
御弁を有するバイパス回路を接続し、暖房に際し、前記
各制御弁を切り替えて、メインキャピラリチューブ,温
水・冷媒熱交換器,サブキャピラリチューブを経由する
回路と、メインキャピラリチューブ,サブキャピラリチ
ューブを経由する回路とを選択的に使用し得るようにし
て暖房時の能力バックアップを行い、さらに、冷房に際
し、前記各制御弁を切り替えて、バイパス回路,温水・
冷媒熱交換器,メインキャピラリチューブを経由する回
路となし、前記温水・冷媒熱交換器を風呂装置の循環追
焚回路に接続して、冷房時の排熱回収を行なうようにし
たことを特徴とするヒートポンプ式冷暖房装置。
2. A heat pump type air conditioner, wherein a capillary tube is divided into a main tube and a sub tube, and
Between the main and sub-capillary tubes, a circuit in which a hot water / refrigerant heat exchanger and a control valve are connected in series and a circuit having a control valve in parallel therewith are arranged, and the sub-capillary tube and the outdoor heat By connecting a bypass circuit having a control valve in parallel with the series circuit with the exchanger and switching each control valve during heating, a circuit passing through the main capillary tube, the hot water / refrigerant heat exchanger, and the subcapillary tube, The capacity of the main capillary tube and the circuit that goes through the subcapillary tube can be selectively used to back up the capacity during heating, and when cooling, the control valves are switched to bypass circuit, hot water,
It is characterized in that it is not a circuit through a refrigerant heat exchanger and a main capillary tube, and that the hot water / refrigerant heat exchanger is connected to a circulation heating circuit of a bath device to recover exhaust heat during cooling. A heat pump type air conditioner.
JP12148089A 1989-05-17 1989-05-17 Heat pump type air conditioner Expired - Lifetime JP2675620B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12148089A JP2675620B2 (en) 1989-05-17 1989-05-17 Heat pump type air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12148089A JP2675620B2 (en) 1989-05-17 1989-05-17 Heat pump type air conditioner

Publications (2)

Publication Number Publication Date
JPH02302568A JPH02302568A (en) 1990-12-14
JP2675620B2 true JP2675620B2 (en) 1997-11-12

Family

ID=14812199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12148089A Expired - Lifetime JP2675620B2 (en) 1989-05-17 1989-05-17 Heat pump type air conditioner

Country Status (1)

Country Link
JP (1) JP2675620B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108050718A (en) * 2017-12-08 2018-05-18 北京中煤矿山工程有限公司 A kind of freezing engineering recycling waste heat recovery system and method
KR101921062B1 (en) * 2018-05-10 2018-11-22 (주)유천써모텍 Heat pump system using unused heat source

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6226384B2 (en) * 2014-09-03 2017-11-08 株式会社アラキエンジニアリング Hybrid bathtub thermal insulation system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108050718A (en) * 2017-12-08 2018-05-18 北京中煤矿山工程有限公司 A kind of freezing engineering recycling waste heat recovery system and method
CN108050718B (en) * 2017-12-08 2020-02-21 北京中煤矿山工程有限公司 Waste heat recycling system and method for freezing engineering
KR101921062B1 (en) * 2018-05-10 2018-11-22 (주)유천써모텍 Heat pump system using unused heat source

Also Published As

Publication number Publication date
JPH02302568A (en) 1990-12-14

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