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WO2022167034A1 - Système de pompe à chaleur et procédé d'actionnement de système de pompe à chaleur - Google Patents

Système de pompe à chaleur et procédé d'actionnement de système de pompe à chaleur Download PDF

Info

Publication number
WO2022167034A1
WO2022167034A1 PCT/DE2022/100047 DE2022100047W WO2022167034A1 WO 2022167034 A1 WO2022167034 A1 WO 2022167034A1 DE 2022100047 W DE2022100047 W DE 2022100047W WO 2022167034 A1 WO2022167034 A1 WO 2022167034A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating circuit
heat
heat pump
heating
pump system
Prior art date
Application number
PCT/DE2022/100047
Other languages
German (de)
English (en)
Inventor
Benny KONTOROWITZ
Julian FACKINER
Original Assignee
Viessmann Climate Solutions Se
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 Viessmann Climate Solutions Se filed Critical Viessmann Climate Solutions Se
Priority to EP22703882.5A priority Critical patent/EP4288701A1/fr
Priority to US18/273,825 priority patent/US20240102669A1/en
Priority to CN202280018123.0A priority patent/CN116917670A/zh
Publication of WO2022167034A1 publication Critical patent/WO2022167034A1/fr

Links

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
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F24D11/004—Central heating systems using heat accumulated in storage masses water heating system with conventional supplementary heat source
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/105—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system pumps combined with multiple way valves
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating 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
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0089—Additional heating means, e.g. electric heated buffer tanks or electric continuous flow heaters, located close to the consumer, e.g. directly before the water taps in bathrooms, in domestic hot water lines
    • 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
    • F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
    • F24D19/1072—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water the system uses a heat pump
    • 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
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply

Definitions

  • the invention relates to a heat pump system according to the preamble of patent claim 1 and a method for operating a heat pump system according to the preamble of patent claim 3 .
  • a heat pump system of the type mentioned at the outset is known from patent document DE 10 2017 003 355 A1.
  • This consists (objectively) of a heat pump for heating up a heating circuit medium, a heating circuit through which the heating circuit medium flows, at least one heat sink arranged on the heating circuit between a flow line of the heating circuit and a return line of the heating circuit, and a heat sink on the heating circuit between the flow line and the return line and Buf fer arguments arranged parallel to the at least one heat sink.
  • an electrical heating device is provided for heating the heating circuit medium located in the buffer store. Also provided between the heat pump and the heating circuit is a heat exchanger through which the heating circuit medium heated by the electric heating device and coming from the buffer tank can flow. 25
  • Another heat pump system is known from patent document DE 10 2018 102 670 A1.
  • heat can be fed to a heating circuit medium with a heat pump (in particular if heating is to take place).
  • a heating circuit is flowed through by the heating circuit medium.
  • Heat pump system supplied to at least one heat sink arranged on the heating circuit between a flow line of the heating circuit and a return line of the heating circuit.
  • heat is supplied to a buffer storage tank arranged on the heating circuit between the flow line and the return line and parallel to the at least one heat sink.
  • the object of the invention is to improve a heat pump system of the type mentioned at the outset and a method for operating 10 a heat pump system of the type mentioned at the outset.
  • a heat pump system that can be started up or started particularly well initially (i.e. after installation) or after a longer standstill should be created.
  • a distribution device is objectively arranged on the flow line for forwarding the heating circuit medium either to at least one heat sink and/or to the buffer storage tank, and a temperature sensor is arranged on an inlet of the heat exchanger on the return line side.
  • the heating circuit medium located in the buffer storage tank is preferably supplied with a Heat is supplied to an electric heating device arranged in the circuit, particularly preferably on its flow line.
  • the solution according to the invention is characterized by the fact that the buffer storage tank, in addition to its preferably provided actual basic function, i.e. if necessary without impairing the so-called heat sink (i.e. in particular the radiator or the hot water storage tank), heat for defrosting the evaporator to be able to provide the heat pump (in this case the term defrosting buffer storage can also be used for the buffer storage 10), now before the actual start of the heat pump itself is first heated up electrically in order to be able to ensure that the to the heat pump via the return The heating circuit medium flowing back is not too cold.
  • the buffer storage tank in addition to its preferably provided actual basic function, i.e. if necessary without impairing the so-called heat sink (i.e. in particular the radiator or the hot water storage tank), heat for defrosting the evaporator to be able to provide the heat pump (in this case the term defrosting buffer storage can also be used for the buffer storage 10), now before the actual start of the heat pump itself is first heated up electrically
  • Figure 1 shows the heat pump system according to the invention with the electric heater on the flow line. 5
  • the invention relates to a heat pump system, comprising a heat pump 1 for heating a heating circuit medium, a heating circuit 2 through which the heating circuit medium flows, at least one on the heating circuit 2 between a flow line 2 . 1 of the heating circuit 2 and a return line 2 .2 of the heating circuit 2 arranged heat sink 3 and on the heating circuit 2 between the flow line 2 . 1 and the return line 2 .2 and buffer storage tank 4 arranged parallel to the at least one heat sink 3 , see FIG. 15
  • an electrical heating device 5 is provided for heating the heating circuit medium located in the buffer store 4 . 20
  • the electrical heating device 5 on the heating circuit 2 is arranged .
  • the electrical heating device 5 has an electrical heating resistor for converting electrical energy into thermal energy. Such an electrical heating resistor is able to heat up the heating circuit medium particularly quickly and thus to put the heat pump system back into operation again particularly quickly after it has been idle for a long time.
  • the heat exchanger 6 is preferably designed to work as a condenser of the heat pump 1 . 5
  • the heat pump 1 it is preferable for the heat pump 1 to be connected to the buffer tank 4 with a hot water tank (not shown separately).
  • a heat exchanger through which the heating circuit medium flows is preferably arranged in the hot water tank for heating service water (drinking water).
  • the buffer memory 4 is designed exclusively for receiving heating circuit medium.
  • the buffer tank 4 is arranged together with the electric heating device 5 and with the heating circuit pump 7 in a (common) 15 housing (not shown separately), in particular the housing of the heat pump (set up in a building).
  • a (common) 15 housing not shown separately
  • the buffer store has a volume of less than 50 liters, preferably less than 20 liters, particularly preferably less than 20 liters. In the present case, the volume is about 15 liters.
  • the hot water storage tank is also preferably optionally also arranged in the housing of the heat pump or designed to be placed separately. 25
  • the heat sink 3 is designed either as a radiator and/or as a floor heating circuit.
  • the buffer memory 4 is designed as a defrosting buffer memory. This increases the amount of heating circuit medium in the bypass path, which increases the controllability of the return temperature in the fourth (explained below). Operation improved.
  • the valve device 8 is preferably designed to separate a building heating section that includes the heat sink 3 from a bypass section that includes the buffer storage tank 4 .
  • a heating circuit pump 7 is provided on the heating circuit 2, preferably 10 on its return line 2.2, for conveying the heating circuit medium. Furthermore, at an inlet 6 . 1 of the heat exchanger 6, a temperature sensor 9 is arranged.
  • the invention also relates to a method for operating a heat pump system, in which heat can be supplied to a heating circuit medium with a heat pump 1, in which a heating circuit 2 is flowed through by the heating circuit medium, in which, in a first mode of operation of the heat pump system, at least one on the 20th heating circuit 2 between a flow line 2 . 1 of the heating circuit 2 and a return strand 2 .2 of the heating circuit 2 arranged heat sink 3 (in particular radiators or underfloor heating circuit) heat is supplied, in which in a second mode of operation of the heat pump system on the heating circuit 2 between the flow 25 strand 2. 1 and the return strand 2 .2 and parallel to the at least one heat sink 3 arranged buffer storage 4 heat is supplied.
  • a heat pump system in which heat can be supplied to a heating circuit medium with a heat pump 1, in which a heating circuit 2 is flowed through by the heating circuit medium, in which, in a first mode of operation of the heat pump system, at least one on the 20th heating circuit 2 between
  • the heating circuit medium located in the buf fer may be used as a condenser of the heat pump 1 .
  • the third mode of operation is activated when the temperature at the heat exchanger 6 falls below a predefined lower limit. It is further preferred that 10° C. is used as the lower limit temperature. 25 This serves to enable the heat pump system to be fully operational as quickly as possible, even at low temperatures. Furthermore, it is preferred that the third mode of operation is deactivated when a predefined upper limit temperature at the heat exchanger 6 is exceeded. 30 12 °C is preferably used as the upper limit temperature.
  • heat pump operation can be started directly (ie first or second mode of operation). If this is below the lower limit temperature, the heating circuit pump 7 can be activated; however, the heat pump 1 initially remains switched off. In order to then bring the heating circuit to the lower limit temperature required for a reliable start of the heat pump 1 at the heat exchanger 6 , the electric heating device 5 is switched on and uses it to heat the heating circuit medium (third mode of operation). Provision is particularly preferably made for the heat pump 1 to be started once the lower limit temperature has been reached. The electrical heating device 5 is preferably only switched off (end of the third mode of operation) as soon as the upper limit temperature (preferably 12° C.) is measured at the heat exchanger 6 . 20
  • the buffer store 4 [and not the heat sink 3! ] supplied heating circuit medium is heated with the electric heating device 5 .
  • the heat exchanger 6 is in the third mode of operation exclusively heating circuit medium is supplied from the buffer storage tank 4 .
  • the heat exchanger 6 is fed to the heat exchanger 6 in a fourth operating mode of the heat pump system that follows the third, depending on the heat requirement, either from the heat sink 3 and/or from the buffer storage tank 4 . It is particularly preferred that at the beginning of the fourth operating mode, more heating circuit medium is removed from the buffer storage tank 4 than from the heat sink 3 and towards the end of the fourth operating mode more heating circuit medium is removed from the heat sink 3 than from the buffer storage tank 4 .
  • Such mixed operation of the heat pump system, in which the electric heating device 5 is switched off or is switched off and thus does not supply heat to the heating circuit medium, is advantageous because this can or will ensure that the above-mentioned lower limit temperature at the end of the third mode of operation is not immediately fallen below again by coming from the heat sink 3 cold water in the return strand 2 .2 of the heating circuit 2.
  • Precise regulation of the mixing of the respective amounts removed from the heat sink 3 and the buffer store 4 is preferably carried out with the aid of the valve device 8 and the temperature sensor 9 . It is also preferably provided that the fourth operating mode is ended when the heating circuit medium is no longer taken from the buffer storage tank 4 due to the temperature conditions at the heat exchanger 6, but only (ie exclusively) from the heat sink 3.
  • the heat pump system according to the invention and the method according to the invention for operating a heat pump system thus allow a heat pump system to be operated in such a way that it NEN is particularly easy to approach or start initially or after a longer period of standstill.

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

Abstract

L'invention concerne un système de pompe à chaleur et un procédé d'actionnement d'un système de pompe à chaleur, dans lequel : de la chaleur peut être fournie à un milieu de circuit de chauffage au moyen d'une pompe à chaleur (1) ; un milieu de circuit de chauffage s'écoule à travers un circuit de chauffage (2) ; dans un premier mode de fonctionnement du système de pompe à chaleur, de la chaleur est fournie à au moins un dissipateur thermique (3) situé dans le circuit de chauffage (2) entre une conduite d'écoulement (2.1) du circuit de chauffage (2) et une conduite de retour (2.2) du circuit de chauffage (2) ; dans un second mode de fonctionnement du système de pompe à chaleur, de la chaleur est fournie à un tampon (4) situé dans le circuit de chauffage (2) entre la conduite d'écoulement (2.1) et la conduite de retour (2.2) et en parallèle avec ledit puits de chaleur (3). Selon l'invention, dans un troisième mode de fonctionnement du système de pompe à chaleur, un dispositif de chauffage électrique (5) est utilisé pour fournir de la chaleur au milieu de circuit de chauffage situé dans le tampon (4) afin de démarrer la pompe à chaleur (1).
PCT/DE2022/100047 2021-02-03 2022-01-19 Système de pompe à chaleur et procédé d'actionnement de système de pompe à chaleur WO2022167034A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP22703882.5A EP4288701A1 (fr) 2021-02-03 2022-01-19 Système de pompe à chaleur et procédé d'actionnement de système de pompe à chaleur
US18/273,825 US20240102669A1 (en) 2021-02-03 2022-01-19 Heat pump system and method for operating a heat pump system
CN202280018123.0A CN116917670A (zh) 2021-02-03 2022-01-19 热泵设备和用于运行热泵设备的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021102438.2A DE102021102438A1 (de) 2021-02-03 2021-02-03 Wärmepumpenanlage und Verfahren zum Betrieb einer Wärmepumpenanlage
DE102021102438.2 2021-02-03

Publications (1)

Publication Number Publication Date
WO2022167034A1 true WO2022167034A1 (fr) 2022-08-11

Family

ID=80447678

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2022/100047 WO2022167034A1 (fr) 2021-02-03 2022-01-19 Système de pompe à chaleur et procédé d'actionnement de système de pompe à chaleur

Country Status (5)

Country Link
US (1) US20240102669A1 (fr)
EP (1) EP4288701A1 (fr)
CN (1) CN116917670A (fr)
DE (1) DE102021102438A1 (fr)
WO (1) WO2022167034A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006066953A2 (fr) * 2004-12-22 2006-06-29 Stiebel Eltron Gmbh & Co. Kg Agent caloporteur et circuit de thermopompe
EP2629020A2 (fr) * 2012-02-16 2013-08-21 ROTEX Heating Systems GmbH Système de chauffage et son procédé de fonctionnement
EP3258185A1 (fr) * 2015-02-12 2017-12-20 Mitsubishi Electric Corporation Système d'alimentation en chaleur
DE102017003355A1 (de) 2017-04-06 2018-10-11 Stiebel Eltron Gmbh & Co. Kg Wärmepumpenanlage
DE102018102670A1 (de) 2018-02-07 2019-08-08 Viessmann Werke Gmbh & Co Kg Wärmepumpenanlage
EP3730844A2 (fr) * 2019-04-25 2020-10-28 Panasonic Intellectual Property Management Co., Ltd. Chauffage et système d'alimentation en eau chaude

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5884042B2 (ja) * 2011-05-31 2016-03-15 パナソニックＩｐマネジメント株式会社 ヒートポンプ式温水暖房装置
JP6070273B2 (ja) 2013-02-28 2017-02-01 三菱電機株式会社 ヒートポンプ給湯室外機およびヒートポンプ給湯システム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006066953A2 (fr) * 2004-12-22 2006-06-29 Stiebel Eltron Gmbh & Co. Kg Agent caloporteur et circuit de thermopompe
EP2629020A2 (fr) * 2012-02-16 2013-08-21 ROTEX Heating Systems GmbH Système de chauffage et son procédé de fonctionnement
EP3258185A1 (fr) * 2015-02-12 2017-12-20 Mitsubishi Electric Corporation Système d'alimentation en chaleur
DE102017003355A1 (de) 2017-04-06 2018-10-11 Stiebel Eltron Gmbh & Co. Kg Wärmepumpenanlage
DE102018102670A1 (de) 2018-02-07 2019-08-08 Viessmann Werke Gmbh & Co Kg Wärmepumpenanlage
EP3730844A2 (fr) * 2019-04-25 2020-10-28 Panasonic Intellectual Property Management Co., Ltd. Chauffage et système d'alimentation en eau chaude

Also Published As

Publication number Publication date
EP4288701A1 (fr) 2023-12-13
CN116917670A (zh) 2023-10-20
DE102021102438A1 (de) 2022-08-04
US20240102669A1 (en) 2024-03-28

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