EP2857761B1 - Warmwasserbereiter - Google Patents

Warmwasserbereiter Download PDF

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Publication number
EP2857761B1
EP2857761B1 EP14162197.9A EP14162197A EP2857761B1 EP 2857761 B1 EP2857761 B1 EP 2857761B1 EP 14162197 A EP14162197 A EP 14162197A EP 2857761 B1 EP2857761 B1 EP 2857761B1
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EP
European Patent Office
Prior art keywords
water
temperature
refrigerant
flow rate
compressor
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EP14162197.9A
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English (en)
French (fr)
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EP2857761A1 (de
Inventor
Nobuki Sato
Yuuji Tarumi
Tomoyoshi Oobayashi
Yoshio Yamano
Katsunori Horiuchi
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of EP2857761A1 publication Critical patent/EP2857761A1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
    • F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/215—Temperature of the water before heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/219—Temperature of the water after heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/335—Control of pumps, e.g. on-off control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/375—Control of heat pumps
    • F24H15/38—Control of compressors of heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F24D2200/123—Compression type heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/04—Sensors
    • F24D2220/042—Temperature sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/281—Input from user

Definitions

  • the present invention relates to a water heater that heats fluid using a heat pump.
  • a water heater including a heat pump apparatus that heats fluid such as water (hereinafter, water will be described as a typical fluid) which circulates in a water circuit or the like using a heat pump (refrigeration cycle) as a heat source of the water heater is known.
  • fluid such as water (hereinafter, water will be described as a typical fluid) which circulates in a water circuit or the like using a heat pump (refrigeration cycle) as a heat source of the water heater.
  • a capacity control unit that controls the capacity of a compressor so that the capacity is variable
  • a flow rate control unit that controls the flow rate of water flowing in the water circuit by driving of a water supply pump (hereinafter, will be referred to as the water flow rate of a water supply pump) so that the flow rate is variable
  • the flow rate control unit causes the water flow rate of the water supply pump to be fixed, and the capacity control unit controls the capacity of the compressor so that the capacity is variable.
  • the capacity control unit causes the capacity of the compressor to be fixed, and the flow control unit controls the flow rate of the pump so that the flow rate is variable.
  • Patent Literature 1 Japanese Unexamined Patent Application Publication No. 2002-228276 ( Fig. 1 ) DE 10 2006 054 828 A1 discloses a heat pump-water heater according to the preamble of claim 1 that includes a computing unit for calculating a normal high pressure value of cooling medium on the high pressure side or a nominal delivery temperature of cooling medium delivered from a compressor as a nominal value based on a heating temperature of the fluid issuing from a cooling medium cooler and any value of an outside air temperature, a temperature of the cooling medium flowing from or into an evaporator, and a temperature of the fluid flowing into the cooler.
  • An object of the present invention is to obtain a water heater which can deliver hot water at a higher temperature, while suppressing an increase in the condensing pressure of a refrigerant.
  • a water heater according to the present invention is described in claim 1.
  • a water heater of the present invention for example, for a change in local hot water supply load, it is possible to heat water up to a higher hot water delivery temperature and maintain the higher hot water delivery temperature without changing the condensing pressure of a refrigerant,.
  • a water heater including a hot water storage tank will be described as a water heater according to an aspect of the present invention.
  • Fig. 1 in the illustrations which will be explained below, the same reference signs are intended to refer to the same or corresponding components, and are assumed to be common throughout the full text of Embodiment described below.
  • the form of components represented throughout the description is merely an example. Therefore, the form of the components is not limited to that mentioned in the description.
  • the relationship between the sizes of the components in the illustrations may differ from the actual relationship.
  • the degree or the like of temperature, pressure, or the like for example, how high or low is not particularly determined in relation to an absolute value, but is determined relative to a state, operation, or the like, of an apparatus or the like.
  • Fig. 1 is a diagram illustrating a configuration of a hot water storage system which includes a heat pump apparatus according to Embodiment of the present invention.
  • the flow direction of a refrigerant is illustrated by solid arrows
  • the flow direction of water is illustrated by dashed arrows.
  • the hot water storage system of Embodiment includes a heat pump apparatus 1 and a water circuit 6.
  • heat is transferred via a refrigerant/water heat exchanger 12 which is of a plate type, a double pipe type, or the like, between the heat pump apparatus 1 and the water circuit 6.
  • the refrigerant/water heat exchanger 12 of Embodiment is a convection heat exchanger, which enables the flow direction of the refrigerant and the flow direction of the water to be opposite to achieve convection.
  • the heat pump apparatus 1 includes a heat pump circuit through which the refrigerant circulates (refrigerant circuit), which includes a compressor 2, a condenser 3, a decompression device 4, and an evaporator 5 that are connected by pipes. Furthermore, the heat pump apparatus 1 serves as a heat source to heat the water that flows through the water circuit 6, by heat exchange, by allowing the condenser 3 to cause the refrigerant to reject heat.
  • refrigerant circuit which includes a compressor 2, a condenser 3, a decompression device 4, and an evaporator 5 that are connected by pipes.
  • the heat pump apparatus 1 serves as a heat source to heat the water that flows through the water circuit 6, by heat exchange, by allowing the condenser 3 to cause the refrigerant to reject heat.
  • the compressor 2 sucks, compresses, and discharges the refrigerant. Under the control of capacity control means 13 which will be described later, for example, by changing the driving frequency in a desired manner, the capacity (feed rate per unit time) may be changed.
  • the refrigerant side flow passage of the refrigerant/water heat exchanger 12 serves as the condenser (radiator) 3.
  • the condenser 3 causes the refrigerant to reject heat, and heats the water that flows through a water heat exchanger 9 which serves as a water side flow passage of the refrigerant/water heat exchanger 12.
  • the decompression device 4 which includes an expansion valve or the like, decompresses the refrigerant that flows through the refrigerant circuit.
  • the evaporator (cooler) 5 for example, exchanges heat between the air and the refrigerant to evaporate the refrigerant.
  • the water circuit 6 includes a water supply pump 7, the water heat exchanger 9, and a hot water storage tank 11.
  • the water supply pump 7 pressurizes and circulates the water within the water circuit 6.
  • the water side flow passage of the refrigerant/water heat exchanger 12 serves as the water heat exchanger 9.
  • the water heat exchanger 9 exchanges heat between the refrigerant that flows through the condenser 3 and the water. By exchanging heat, the water heats up, and the refrigerant cools down.
  • the hot water storage tank 11 stores water (hot water) that has been heated.
  • water inlet temperature detection means 8 and water outlet temperature detection means 10 which are temperature sensors that detect the temperature of the water (water temperature) which flows in and out of the water heat exchanger 9, are attached to the water circuit 6.
  • each component unit of the water heater will be explained. Firstly, operation and the like of each component unit of the heat pump apparatus 1 side will be explained, based on the flow of the refrigerant that circulates through the refrigerant circuit.
  • the compressor 2 compresses the sucked refrigerant into a high-temperature, high-pressure vapor state, and discharges the refrigerant.
  • the discharged refrigerant flows into the condenser 3.
  • the condenser 3 Within the condenser 3, the refrigerant is condensed and liquefied by heat exchange of the water flowing through the water heat exchanger 9 (water circuit 6).
  • the condensed and liquefied refrigerant passes through the decompression device 4.
  • the decompression device 4 decompresses the condensed and liquefied refrigerant.
  • the decompressed refrigerant flows into the evaporator 5.
  • the evaporator 5 evaporates and gasifies the refrigerant by heat exchange with, for example, the outdoor air (outside air).
  • the compressor 2 sucks the evaporated and gasified refrigerant.
  • the water supply pump 7 is driven, and a water flow is generated within the water circuit 6.
  • the water stored in the hot water storage tank 11 flows into the water heat exchanger 9.
  • the water that has flowed into the water heat exchanger 9 is heated by heat exchange with the refrigerant that passes through the condenser 3 of the heat pump apparatus 1.
  • the heated water flows out of the water heat exchanger 9 and returns to the hot water storage tank 11.
  • Fig. 2 is a diagram illustrating a configuration of devices of a control system according to Embodiment of the present invention.
  • the capacity control means 13 includes, for example, an inverter circuit or the like, and adjusts the capacity (driving frequency) of the compressor 2.
  • the water flow rate control means 14 includes, for example, an inverter circuit or the like, adjusts the driving rotation speed (driving frequency) of the water supply pump 7, and adjusts the water flow rate of the water supply pump 7.
  • a controller 15 which controls the entire water heater is provided.
  • a signal which contains information on the water inlet temperature detected by the water inlet temperature detection means 8 is input to the controller 15 of Embodiment.
  • a signal which contains information on the water outlet temperature detected by the water outlet temperature detection means 10 is also input to the controller 15.
  • an instruction signal regarding the capacity of the compressor 2 is sent to the capacity control means 13.
  • an instruction signal regarding the water flow rate (driving rotation speed) of the water supply pump 7 is sent to the water flow rate control means 14.
  • the controller 15 When determining that the water inlet temperature according to the detection by the water inlet temperature detection means 8 is below a preset first temperature (for example, 55 degrees Celsius), the controller 15 sends to the capacity control means 13 an instruction signal to perform variable control for the capacity of the compressor 2. Furthermore, the controller 15 performs fixed control for the water flow rate of the water supply pump 7, sends to the water flow rate control means 14 an instruction signal to maintain the flow rate of the water that circulates through the water circuit 6, and controls the water outlet temperature according to the detection by the water outlet temperature detection means 10 to be at a specific temperature (for example, 60 degrees Celsius).
  • a preset first temperature for example, 55 degrees Celsius
  • a signal of an instruction to perform fixed control for the capacity of the compressor 2 is sent to the capacity control means 13. Furthermore, by sending to the water flow rate control means 14 an instruction signal to perform variable control for the water flow rate of the water supply pump 7, the water outlet temperature according to the detection by the water outlet temperature detection means 10 is controlled to be at a second temperature (for example, 65 degrees Celsius).
  • the controller 15 when determining that the temperature according to the detection by the water inlet temperature detection means 8 has exceeded a preset third temperature (for example, 57 degrees Celsius), the controller 15 sends to the capacity control means 13 an instruction to perform variable control for the capacity of the compressor 2, performs control to lower the condensing temperature, and controls the water inlet temperature according to the detection by the water inlet temperature detection means 8 to be at the first temperature (for example, 55 degrees Celsius).
  • a preset third temperature for example, 57 degrees Celsius
  • the controller 15 sends to the water flow rate control means 14 an instruction to perform variable control for the water flow rate of the water supply pump 7, and controls the water outlet temperature according to the detection by the water outlet temperature detection means 10 to be at the second temperature (for example, 65 degrees Celsius) by causing the compressor 2 and the water supply pump 7 to perform the control in conjunction with each other.
  • the third temperature is the same as the first temperature, however here, in consideration of the stability of the control, a temperature error, and the like, the third temperature is set to a temperature slightly higher than the first temperature.
  • Fig. 3 includes schematic diagrams illustrating the relationship between the water temperature, the capacity of the compressor, and the capacity of the water supply pump when the hot water usage load from the hot water storage tank is decreased.
  • Fig. 3(a) is a diagram illustrating the relationship in the water heater according to Embodiment.
  • Fig. 3(b) is a diagram illustrating the relationship in a conventional water heater.
  • the water inlet temperature will rise. Furthermore, as the water inlet temperature further rises, the temperature difference between the temperature of the refrigerant passing through the condenser 3 and the water inlet temperature becomes smaller, and the condensing temperature rises while the condensing pressure increases.
  • Fig. 4 is a T/s chart illustrating the temperature change of the refrigerant and the water flowing through the refrigerant/water heat exchanger according to Embodiment of the present invention.
  • the controller 15 sends to the capacity control means 13 an instruction signal to fix the capacity of the compressor 2 when the water inlet temperature according to the detection by the water inlet temperature detection means 8 has reached the first temperature (for example, 55 degrees Celsius). Furthermore, the controller 15 sends to the water flow rate control means 14 an instruction signal to decrease the water flow rate of the water supply pump 7, and decreases the water flow rate.
  • the controller 15 makes the water outlet temperature according to the detection by the water outlet temperature detection means 10 rise to the second temperature (for example, 65 degrees Celsius) without raising the condensing temperature of the refrigerant in the condenser 3.
  • Fig. 5 is a flowchart illustrating a processing procedure by the controller 15 according to Embodiment of the present invention.
  • the operation of the water heater according to Embodiment will be explained with reference to Fig. 5 .
  • step S1 the operation of the water heater starts by driving the compressor 2 and the water supply pump 7 (step S1).
  • step S2 an instruction signal is sent to the water flow rate control means 14, and based on a preset water flow rate, a fixed control is performed for the water flow rate of the water supply pump 7 (step S2).
  • the flow rate of the water flowing through the water circuit 6 (the flow rate of the water which flows in and out of the water heat exchanger 9) is also fixed.
  • step S3 an instruction signal is sent to the capacity control means 13, and variable control is performed for the capacity (driving) of the compressor 2 so that the water outlet temperature according to the detection by the water outlet temperature detection means 10 is fixed at a specific temperature (for example, 60 degrees Celsius)(step S3).
  • a specific temperature for example, 60 degrees Celsius
  • step S4 it is determined whether the water inlet temperature according to the detection by the water inlet temperature detection means 8 is below the first temperature (for example, 55 degrees Celsius) or not (step S4).
  • the procedure returns to step S3, and similar control processing continues until the water inlet temperature is determined to be at or above the first temperature.
  • step S4 when the water inlet temperature according to the detection by the water inlet temperature detection means 8 is determined to be at or above the first temperature, in step S5, an instruction signal is sent to the capacity control means 13 to perform fixed control for the capacity of the compressor 2 (step S5). Furthermore, in step S6, the flow rate of water flowing through the water circuit 6 is controlled by sending an instruction signal to the water flow rate control means 14 to perform variable control for the water flow rate of the water supply pump 7, so that the water outlet temperature according to the detection by the water outlet temperature detection means 10 is fixed at the second temperature (for example, 65 degrees Celsius).
  • the second temperature for example, 65 degrees Celsius
  • step S7 While variable control is being performed for the flow rate of the water supply pump 7 in step S6, in step S7, it is determined whether the water inlet temperature detected by the water inlet temperature detection means 8 has exceeded the third temperature (for example, 57 degrees Celsius) or not (step S7). When the temperature is determined not to have exceeded the third temperature, the procedure returns to step S6, and variable control is performed for the water flow rate of the water supply pump 7, so that the water outlet temperature is fixed at the second temperature.
  • the third temperature for example, 57 degrees Celsius
  • step S8 an instruction signal is sent to the capacity control means 13, to perform variable control for the capacity of the compressor 2 so that the water inlet temperature according to the detection by the water inlet temperature detection means 8 is fixed at the first temperature (for example, 55 degrees Celsius) (step S8).
  • variable control is continuously performed for the water supply pump 7, so that the water outlet temperature according to the detection by the water outlet temperature detection means 10 is fixed at the second temperature (for example, 65 degrees Celsius).
  • step S9 it is determined whether the water inlet temperature according to the detection by the water inlet temperature detection means 8 is below the first temperature (for example, 55 degrees Celsius) or not (step S9).
  • the procedure returns to step S6, and similar control processing continues until the temperature is determined to be below the first temperature.
  • step S9 when the water inlet temperature according to the detection by the water inlet temperature detection means 8 is determined to be below the first temperature, the procedure returns to step S4, a signal of an instruction to perform fixed control for the capacity of the compressor 2 is sent to the capacity control means 13, and the control processing continues.
  • the water heater of Embodiment by controlling the flow rate of the water supply pump 7, it is possible to raise the temperature of the water flowing out of the water heat exchanger 9, close to the superheated vapor temperature of the refrigerant flowing into the condenser 3.
  • the compressor 2 in conjunction with the water supply pump 7, such as lowering the condensing temperature detected by performing variable control for the compressor 2, when the water inlet temperature rises, it is possible to control both the temperature of the water flowing into and the temperature of the water flowing out of the water heat exchanger 9.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Claims (4)

  1. Ein Wasserheizer mit einem Kältekreislauf mit einem Kompressor (2), der ein Kältemittel komprimiert, wobei eine Kapazität des Kompressors (2) variabel ist, einem Kältemittel/Wasser-Wärmetauscher (12), der Wärme zwischen dem Kältemittel und Wasser tauscht, einer Dekompressionsvorrichtung (4), die das Kältemittel durch Öffnungsgradanpassung dekomprimiert, und einem Verdampfer (5), der das Kältemittel durch Wärmetausch verdampft, wobei der Kompressor (2), der Kältemittel/Wasser-Wärmetauscher (12), die Dekompressionsvorrichtung (4) und der Verdampfer (5) durch Leitungen verbunden sind, wobei der Wasserheizer umfasst:
    Eine Wasserförderpumpe (7), die gestaltet ist, einen Wasserfluss auszubilden, der durch den Kältemittel/Wasser-Wärmetauscher (12) durchläuft, wobei eine Wasserflussrate der Wasserförderpumpe (7) variabel ist; und
    ein Wassereinlass-Temperaturerfassungsmittel (8) zum Erfassen einer Wassereinlasstemperatur des Wassers, das in den Kältemittel/Wasser-Wärmetauscher (12) hineinfließt;
    ein Wasserauslass-Temperaturerfassungsmittel (10) zum Erfassen einer Wasserauslasstemperatur des Wassers, das aus dem Kältemittel/Wasser-Wärmetauscher (12) herausfließt;
    gekennzeichnet durch
    eine Steuereinheit (15), die ausgebildet ist, um, wenn die Wassereinlasstemperatur so bestimmt wird, dass sie an oder oberhalb einer vorbestimmten ersten Temperatur liegt, die Kapazität des Kompressors (2) so zu steuern, dass sie festgelegt ist, und, außerdem, die Wasserflussrate der Wasserförderpumpe (7) so zu steuern, dass sie variabel ist, so dass die Wasserauslasstemperatur einer vorbestimmten zweiten Temperatur gleich gemacht wird.
  2. Der Wasserheizer nach Anspruch 1,
    wobei, wenn die Temperatur gemäß der Erfassung durch das Wassereinlass-Temperaturerfassungsmittel (8) so bestimmt wird, dass sie eine dritte Temperatur, welche auf die oder oberhalb der ersten Temperatur gesetzt ist, überschritten hat, die Steuereinheit (15) eine Steuerung durchführt, um die Kapazität des Kompressors (2) zu erniedrigen, und die Wasserflussrate der Wasserförderpumpe (7) so steuert, dass sie variabel ist, so dass die Wasserauslasstemperatur der zweiten Temperatur gleich gemacht wird.
  3. Der Wasserheizer nach Anspruch 2, wobei die Steuereinheit (15) den Kompressor (2) so steuert, dass die Wassereinlasstemperatur der ersten Temperatur gleich gemacht wird, und eine Steuerung für die Wasserflussrate der Wasserförderpumpe (7) so durchführt, dass die Temperatur gemäß der Erfassung durch das Wasserauslass-Temperaturerfassungsmittel (10) der zweiten Temperatur gleich gemacht wird.
  4. Der Wasserheizer gemäß einem der Ansprüche 1 bis 3, wobei die Steuereinheit (15) die Wasserflussrate der Wasserförderpumpe (7) so steuert, dass sie festgelegt ist während einer Periode von einem Start eines Betriebs zu einer Zeit, wenn die Wassereinlasstemperatur so bestimmt wird, dass sie an oder oberhalb der ersten vorbestimmten Temperatur liegt.
EP14162197.9A 2013-10-03 2014-03-28 Warmwasserbereiter Active EP2857761B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013208484A JP6304996B2 (ja) 2013-10-03 2013-10-03 給湯装置

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EP2857761A1 EP2857761A1 (de) 2015-04-08
EP2857761B1 true EP2857761B1 (de) 2016-06-22

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WO2022119436A1 (en) * 2020-12-01 2022-06-09 Daikin Research & Development Malaysia Sdn. Bhd. An apparatus for heating water

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CN107796122B (zh) * 2016-09-06 2021-07-23 艾欧史密斯(中国)热水器有限公司 热泵热水器及其控制方法
JP7310964B1 (ja) 2022-03-28 2023-07-19 株式会社富士通ゼネラル ヒートポンプ装置
WO2024105856A1 (ja) * 2022-11-17 2024-05-23 三菱電機株式会社 空気調和機
CN115507562B (zh) * 2022-11-24 2023-03-24 广东美格动力新能源有限公司 热泵机组水泵控制方法及热泵机组

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3227651B2 (ja) * 1998-11-18 2001-11-12 株式会社デンソー 給湯器
JP4334153B2 (ja) * 2001-01-30 2009-09-30 東芝キヤリア株式会社 ヒートポンプ式給湯器
JP3719162B2 (ja) * 2001-05-18 2005-11-24 松下電器産業株式会社 ヒートポンプ給湯機
JP3912035B2 (ja) * 2001-05-18 2007-05-09 松下電器産業株式会社 ヒートポンプ給湯機
JP3642334B2 (ja) * 2003-05-19 2005-04-27 松下電器産業株式会社 ヒートポンプ給湯装置
JP4161968B2 (ja) * 2005-01-21 2008-10-08 株式会社デンソー ヒートポンプ給湯装置
JP5011713B2 (ja) * 2005-11-22 2012-08-29 株式会社デンソー ヒートポンプ式給湯装置
JP4407689B2 (ja) * 2006-11-13 2010-02-03 三菱電機株式会社 ヒートポンプ給湯機
JP5558937B2 (ja) * 2010-06-30 2014-07-23 株式会社コロナ ヒートポンプ式給湯装置
JP2013079770A (ja) * 2011-10-05 2013-05-02 Hitachi Appliances Inc ヒートポンプ式給湯機
JP5982839B2 (ja) * 2012-01-31 2016-08-31 株式会社富士通ゼネラル ヒートポンプサイクル装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108088086A (zh) * 2016-11-21 2018-05-29 重庆海尔热水器有限公司 改善用户体验的流量控制方法及燃气热水器
WO2022119436A1 (en) * 2020-12-01 2022-06-09 Daikin Research & Development Malaysia Sdn. Bhd. An apparatus for heating water

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