JP2001124349A - Heat-pump-type warm-water heater - Google Patents

Heat-pump-type warm-water heater

Info

Publication number
JP2001124349A
JP2001124349A JP30343499A JP30343499A JP2001124349A JP 2001124349 A JP2001124349 A JP 2001124349A JP 30343499 A JP30343499 A JP 30343499A JP 30343499 A JP30343499 A JP 30343499A JP 2001124349 A JP2001124349 A JP 2001124349A
Authority
JP
Japan
Prior art keywords
hot water
temperature
heat
warm
air temperature
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.)
Withdrawn
Application number
JP30343499A
Other languages
Japanese (ja)
Inventor
Masaaki Ishiyama
正昭 石山
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.)
Hitachi Appliances Inc
Original Assignee
Hitachi Air Conditioning Systems 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 Hitachi Air Conditioning Systems Co Ltd filed Critical Hitachi Air Conditioning Systems Co Ltd
Priority to JP30343499A priority Critical patent/JP2001124349A/en
Publication of JP2001124349A publication Critical patent/JP2001124349A/en
Withdrawn legal-status Critical Current

Links

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]
    • Y02B30/12Hot water central heating systems using heat pumps

Landscapes

  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Central Heating Systems (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a heat-pump-type warm-water heater capable of improving heat pump efficiency with a simple mechanism by controlling the temperature of warm water circulating through warm water piping connecting a heat exchanger with a load in accordance with the outdoor air temperature. SOLUTION: A heat-pump-type warm-water heating system, in which a heat- pump-type outdoor unit 1 is connected to a heat exchanger 3 by way of refrigerant piping 2 and the heat exchanger 3 is connected to a load 5 by way of warm- water piping 6, comprises thermistors 7 and 8 for detecting the temperatures of the outdoor air and warm water circulating through the warm-water piping, respectively, to control the compressor of the outdoor unit 1 such that the temperature of the warm water becomes low when the outdoor air temperature is high while the temperature of the warm water becomes high when the outdoor air temperature is low.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、ヒートポンプ式温
水暖房装置に関し、特に、外気温度に対して熱交換器と
負荷を接続する温水配管を循環する温水温度を調節する
ことにより、ヒートポンプの効率の改善を図るようにし
たヒートポンプ式温水暖房装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat pump type hot water heating apparatus, and more particularly, to the efficiency of a heat pump by adjusting the temperature of hot water circulating in a hot water pipe connecting a heat exchanger and a load to the outside air temperature. The present invention relates to a heat pump-type hot water heating apparatus designed to be improved.

【0002】[0002]

【従来の技術】ヒートポンプ式温水暖房装置は、ヒート
ポンプ式の室外機と熱交換器を冷媒配管で接続するとと
もに、熱交換器と負荷を温水用ポンプを介在した温水配
管で接続して構成し、これにより、室外機にて発生する
熱エネルギーにより熱交換器を介して温水配管を循環す
る温水を加温して、室内機の放熱器等の負荷において空
気と熱交換し、暖房を行うようにしている。
2. Description of the Related Art A heat pump type hot water heating apparatus comprises a heat pump type outdoor unit and a heat exchanger connected by a refrigerant pipe, and a heat exchanger and a load connected by a hot water pipe interposed with a hot water pump. Thus, the hot water circulating in the hot water pipe through the heat exchanger is heated by the heat energy generated in the outdoor unit, and heat is exchanged with air at a load such as a radiator of the indoor unit to perform heating. ing.

【0003】[0003]

【発明が解決しようとする課題】ところで、従来のヒー
トポンプ式温水暖房装置は、ヒートポンプ式の室外機の
稼働にて発生するほぼ一定の熱エネルギーにより、単
に、熱交換器と負荷を接続する温水配管を循環する温水
を加温するようにしているため、外気温度に対して温水
温度を調節することができなかった。
By the way, the conventional heat pump type hot water heating apparatus simply uses a hot water pipe for connecting a heat exchanger and a load with almost constant heat energy generated by the operation of the heat pump type outdoor unit. Because the hot water circulating through the heater was heated, the hot water temperature could not be adjusted with respect to the outside air temperature.

【0004】このため、一般的には、外気温度が高い場
合は、暖房負荷も小さいため、循環する温水温度は低く
てもよいにもかかわらず、熱交換器と負荷を接続する温
水配管を循環する温水温度は一定となり、ヒートポンプ
の効率(COP)が低いという問題があった。
[0004] For this reason, in general, when the outside air temperature is high, the heating load is small, and although the temperature of the circulating hot water may be low, the circulating hot water pipe connecting the heat exchanger and the load is generally circulated. However, there is a problem that the temperature of the hot water is constant and the efficiency (COP) of the heat pump is low.

【0005】本発明は、上記従来のヒートポンプ式温水
暖房装置の有する問題点に鑑み、外気温度に対して熱交
換器と負荷を接続する温水配管を循環する温水温度を調
節することにより、簡単な機構で以て、ヒートポンプの
効率の改善を図ることができるようにしたヒートポンプ
式温水暖房装置を提供することを目的とする。
In view of the above-mentioned problems of the conventional heat pump type hot water heating apparatus, the present invention provides a simple method by adjusting the temperature of hot water circulating in a hot water pipe connecting a heat exchanger and a load with respect to the outside air temperature. It is an object of the present invention to provide a heat pump type hot water heating apparatus capable of improving the efficiency of a heat pump with a mechanism.

【0006】[0006]

【課題を解決するための手段】上記目的を達成するた
め、本発明のヒートポンプ式温水暖房装置は、ヒートポ
ンプ式の室外機と熱交換器を冷媒配管で接続するととも
に、熱交換器と負荷を温水用ポンプを介在した温水配管
で接続したヒートポンプ式温水暖房装置において、外気
温度検出用のサーミスタと、温水配管を循環する温水温
度検出用のサーミスタを配設し、外気温度が高い場合は
温水温度が低く、外気温度が低い場合は温水温度が高く
なるように室外機の圧縮機を制御するように構成したこ
とを特徴とする。
In order to achieve the above object, a heat pump type hot water heating apparatus according to the present invention connects a heat pump type outdoor unit and a heat exchanger with a refrigerant pipe, and connects the heat exchanger and a load with hot water. In a heat pump type hot water heating system connected by a hot water pipe with an intervening pump, a thermistor for detecting the outside air temperature and a thermistor for detecting the hot water temperature circulating in the hot water pipe are provided. It is characterized in that the compressor of the outdoor unit is controlled so as to be low and the hot water temperature is high when the outside air temperature is low.

【0007】このヒートポンプ式温水暖房装置は、外気
温度に対して、外気温度が高い場合は温水温度が低く、
外気温度が低い場合は温水温度が高くなるように、熱交
換器と負荷を接続する温水配管を循環する温水温度を調
節することにより、ヒートポンプの効率を向上させるこ
とができる。
In this heat pump type hot water heating apparatus, when the outside air temperature is high with respect to the outside air temperature, the hot water temperature is low.
When the outside air temperature is low, the efficiency of the heat pump can be improved by adjusting the temperature of the hot water circulating in the hot water pipe connecting the heat exchanger and the load so that the temperature of the hot water becomes high.

【0008】[0008]

【発明の実施の形態】以下、本発明のヒートポンプ式温
水暖房装置の実施の形態を図面に基づいて説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a heat pump type hot water heating apparatus according to the present invention will be described below with reference to the drawings.

【0009】図1に、本発明のヒートポンプ式温水暖房
装置の一実施例を示す。このヒートポンプ式温水暖房装
置は、ヒートポンプ式の室外機1と熱交換器3を冷媒配
管2で接続するとともに、熱交換器3と室内機の放熱器
等の負荷5を温水用ポンプ4を介在した温水配管6で接
続し、これにより、ヒートポンプ式の室外機1の稼働に
て発生する熱エネルギーにより熱交換器3を介して温水
配管6を循環する温水を加温して、室内機の放熱器等の
負荷5において空気と熱交換し、暖房を行うように構成
するようにしている。
FIG. 1 shows an embodiment of a heat pump type hot water heating apparatus according to the present invention. In this heat pump type hot water heating apparatus, a heat pump type outdoor unit 1 and a heat exchanger 3 are connected by a refrigerant pipe 2, and a load 5 such as a heat exchanger 3 and a radiator of the indoor unit is interposed by a hot water pump 4. The hot water circulating through the hot water pipe 6 via the heat exchanger 3 is heated by the heat energy generated by the operation of the heat pump type outdoor unit 1, thereby connecting the radiator of the indoor unit. The heat is exchanged with air at a load 5 such as the above, and heating is performed.

【0010】この場合において、室外機1には、外気温
度検出用のサーミスタ7と、熱交換器3と負荷5を接続
する温水配管6を循環する温水の温度を検出する温水温
度検出用のサーミスタ8を接続する。なお、温水温度検
出用のサーミスタ8は、特に限定されるものではない
が、例えば、熱交換器3において加温された直後の温水
の温度を検出するように、熱交換器3と温水用ポンプ4
の間に配設するようにすることが望ましい。
In this case, the outdoor unit 1 has a thermistor 7 for detecting an outside air temperature and a thermistor for detecting a temperature of hot water circulating in a hot water pipe 6 connecting the heat exchanger 3 and the load 5. 8 is connected. The thermistor 8 for detecting hot water temperature is not particularly limited. For example, the thermistor 8 is connected to the heat exchanger 3 so as to detect the temperature of hot water immediately after being heated in the heat exchanger 3. 4
It is desirable to arrange between them.

【0011】そして、外気温度が高い場合は温水温度が
低く、外気温度が低い場合は温水温度が高くなるように
室外機1の圧縮機を制御するように構成する。具体的に
は、外気温度検出用のサーミスタ7と温水温度検出用の
サーミスタ8により検出された外気温度及び温水温度に
基づいて、室外機1の圧縮機を制御するようにする。
The compressor of the outdoor unit 1 is controlled such that the hot water temperature is low when the outside air temperature is high, and the hot water temperature is high when the outside air temperature is low. Specifically, the compressor of the outdoor unit 1 is controlled based on the outside air temperature and the hot water temperature detected by the thermistor 7 for detecting the outside air temperature and the thermistor 8 for detecting the hot water temperature.

【0012】次に、このヒートポンプ式温水暖房装置の
使用方法について説明する。ヒートポンプ式の室外機1
の稼働にて発生する熱エネルギーにより熱交換器3を介
して温水配管6を循環する温水を加温して、室内機の放
熱器等の負荷5において空気と熱交換し、暖房を行う。
Next, a method of using the heat pump type hot water heating apparatus will be described. Heat pump type outdoor unit 1
The hot water circulating in the hot water pipe 6 via the heat exchanger 3 is heated by the heat energy generated by the operation of the air conditioner, and heat is exchanged with air at a load 5 such as a radiator of an indoor unit to perform heating.

【0013】このとき、外気温度検出用のサーミスタ7
と温水温度検出用のサーミスタ8により外気温度及び温
水温度を常時検出し、この外気温度及び温水温度に基づ
いて、室外機1の圧縮機を制御し、外気温度が高い場合
は温水温度が低く、外気温度が低い場合は温水温度が高
くなるようにする。具体的には、外気温度が設定された
温度よりも高い場合には、温水温度が低く、例えば、4
0℃程度となるように室外機1を制御する。反対に、外
気温度が設定された温度よりも低い場合には、温水温度
が高く、例えば、60℃程度となるように室外機1を制
御する。
At this time, the thermistor 7 for detecting the outside air temperature
And the hot water temperature detecting thermistor 8 always detect the outside air temperature and the hot water temperature, and control the compressor of the outdoor unit 1 based on the outside air temperature and the hot water temperature. When the outside air temperature is high, the hot water temperature is low, When the outside air temperature is low, the hot water temperature is increased. Specifically, when the outside air temperature is higher than the set temperature, the hot water temperature is low.
The outdoor unit 1 is controlled so as to be about 0 ° C. Conversely, when the outside air temperature is lower than the set temperature, the outdoor unit 1 is controlled so that the hot water temperature is high, for example, about 60 ° C.

【0014】[0014]

【発明の効果】本発明のヒートポンプ式温水暖房装置に
よれば、外気温度に対して、外気温度が高い場合は温水
温度が低く、外気温度が低い場合は温水温度が高くなる
ように、熱交換器と負荷を接続する温水配管を循環する
温水温度を調節することにより、ヒートポンプの効率を
向上させることができる。特に、外気温度が高く、暖房
負荷が小さい場合に、温水温度が低くするようにしてい
るため、温水配管からの放熱ロスが少なくなり、システ
ム全体の効率を向上させることができ、また、温水温度
と室温の温度差が少なくなり、マイルドな暖房を行うこ
とができる。
According to the heat pump type hot water heating apparatus of the present invention, the heat exchange is performed such that the hot water temperature is low when the outside air temperature is high and high when the outside air temperature is low. The efficiency of the heat pump can be improved by adjusting the temperature of the hot water circulating in the hot water pipe connecting the vessel and the load. In particular, when the outside air temperature is high and the heating load is small, the hot water temperature is set to be low, so the heat loss from the hot water piping is reduced, and the efficiency of the entire system can be improved. And the temperature difference between room temperature and room temperature is reduced, and mild heating can be performed.

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

【図1】本発明のヒートポンプ式温水暖房装置の一実施
例を示すシステム構成図である。
FIG. 1 is a system configuration diagram showing one embodiment of a heat pump type hot water heating apparatus of the present invention.

【符号の説明】[Explanation of symbols]

1 室外機 2 冷媒配管 3 熱交換器 4 温水用ポンプ 6 温水配管 7 外気温度検出用のサーミスタ 8 温水温度検出用のサーミスタ DESCRIPTION OF SYMBOLS 1 Outdoor unit 2 Refrigerant piping 3 Heat exchanger 4 Hot water pump 6 Hot water piping 7 Thermistor for detecting outside air temperature 8 Thermistor for detecting hot water temperature

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 ヒートポンプ式の室外機と熱交換器を冷
媒配管で接続するとともに、熱交換器と負荷を温水用ポ
ンプを介在した温水配管で接続したヒートポンプ式温水
暖房装置において、外気温度検出用のサーミスタと、温
水配管を循環する温水温度検出用のサーミスタを配設
し、外気温度が高い場合は温水温度が低く、外気温度が
低い場合は温水温度が高くなるように室外機の圧縮機を
制御するように構成したことを特徴とするヒートポンプ
式温水暖房装置。
1. A heat pump type hot water heating apparatus in which a heat pump type outdoor unit and a heat exchanger are connected by a refrigerant pipe, and a heat exchanger and a load are connected by a hot water pipe interposed with a hot water pump. And a thermistor for detecting hot water temperature that circulates in the hot water piping.The compressor of the outdoor unit is set so that the hot water temperature is low when the outside air temperature is high and the hot water temperature is high when the outside air temperature is low. A heat pump hot water heating apparatus characterized by being controlled.
JP30343499A 1999-10-26 1999-10-26 Heat-pump-type warm-water heater Withdrawn JP2001124349A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30343499A JP2001124349A (en) 1999-10-26 1999-10-26 Heat-pump-type warm-water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30343499A JP2001124349A (en) 1999-10-26 1999-10-26 Heat-pump-type warm-water heater

Publications (1)

Publication Number Publication Date
JP2001124349A true JP2001124349A (en) 2001-05-11

Family

ID=17920969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30343499A Withdrawn JP2001124349A (en) 1999-10-26 1999-10-26 Heat-pump-type warm-water heater

Country Status (1)

Country Link
JP (1) JP2001124349A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003090547A (en) * 2001-09-17 2003-03-28 Denso Corp Heat pump type heater
JP2010008036A (en) * 2008-05-30 2010-01-14 Daikin Ind Ltd Heating system
WO2012032787A1 (en) 2010-09-10 2012-03-15 パナソニック株式会社 Heat medium circulation type heat pump heater
WO2013027312A1 (en) * 2011-08-24 2013-02-28 パナソニック株式会社 Heating system control method and heating system
WO2014097722A1 (en) * 2012-12-18 2014-06-26 ダイキン工業株式会社 Temperature regulation system
CN104075456A (en) * 2014-07-10 2014-10-01 珠海格力电器股份有限公司 Control method and device and water heater

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003090547A (en) * 2001-09-17 2003-03-28 Denso Corp Heat pump type heater
JP4517556B2 (en) * 2001-09-17 2010-08-04 株式会社デンソー Heat pump heating system
JP2010008036A (en) * 2008-05-30 2010-01-14 Daikin Ind Ltd Heating system
WO2012032787A1 (en) 2010-09-10 2012-03-15 パナソニック株式会社 Heat medium circulation type heat pump heater
EP2615384A4 (en) * 2010-09-10 2015-10-07 Panasonic Ip Man Co Ltd Heat medium circulation type heat pump heater
WO2013027312A1 (en) * 2011-08-24 2013-02-28 パナソニック株式会社 Heating system control method and heating system
JPWO2013027312A1 (en) * 2011-08-24 2015-03-05 パナソニック株式会社 Heating system control method and heating system
US9851110B2 (en) 2011-08-24 2017-12-26 Panasonic Intellectual Property Management Co., Ltd. Heating system control method and heating system
WO2014097722A1 (en) * 2012-12-18 2014-06-26 ダイキン工業株式会社 Temperature regulation system
JP2014119204A (en) * 2012-12-18 2014-06-30 Daikin Ind Ltd Temperature adjustment system
CN104075456A (en) * 2014-07-10 2014-10-01 珠海格力电器股份有限公司 Control method and device and water heater
CN104075456B (en) * 2014-07-10 2017-01-25 珠海格力电器股份有限公司 Control method and device and water heater

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Effective date: 20070109