EP3377770A1 - Pumpenvorrichtung, brauchwassersystem, verfahren zum betreiben eines brauchwassersystems und selbstlernverfahren für eine förderpumpe eines brauchwassersystems - Google Patents
Pumpenvorrichtung, brauchwassersystem, verfahren zum betreiben eines brauchwassersystems und selbstlernverfahren für eine förderpumpe eines brauchwassersystemsInfo
- Publication number
- EP3377770A1 EP3377770A1 EP16798445.9A EP16798445A EP3377770A1 EP 3377770 A1 EP3377770 A1 EP 3377770A1 EP 16798445 A EP16798445 A EP 16798445A EP 3377770 A1 EP3377770 A1 EP 3377770A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- feed pump
- hot water
- line
- water
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 34
- 239000008235 industrial water Substances 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 250
- 238000011156 evaluation Methods 0.000 claims description 45
- 230000008859 change Effects 0.000 claims description 19
- 238000010079 rubber tapping Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 3
- 230000010259 detection of temperature stimulus Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 description 4
- 238000005496 tempering Methods 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0011—Control, e.g. regulation, of pumps, pumping installations or systems by using valves by-pass valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
- F04D15/0083—Protection against sudden pressure change, e.g. check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
-
- 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
- F24D17/0078—Recirculation systems
Definitions
- a circulation control which includes a sensor for detecting hot water tapping operations and then triggering a start of a circulation pump on request. It is a microcontroller or microcomputer for signal processing and control of the circulation pump provided. It is a cyclic circulating habits memory and triggering starts of the circulation pump when a threshold value is exceeded by the stored
- Paddle wheel which is rotatably connected to the rotor.
- the electric motor has an evaluation device, by means of which a flow rate of conveying fluid through the circulating pump can be determined via a rotational speed of the rotor and / or a power consumption of the electric motor.
- At least one signal output is provided on which a flow rate signal and / or flow rate-dependent switching signal can be provided by the circulation pump.
- the check valve is arranged and designed so that it closes when the water is tapped on a hot water line, on which the recirculation line is arranged. This prevents “extensive” mixing of water from the hot water supply device and water from the recirculation device. Water from the hot water supply device can then not against the conveying direction of the feed pump at high speed through this stream. Usually, the pressure in the hot water supply is sufficient in comparison to the pressure difference of the conveyor to close the check valve.
- the check valve advantageously ensures a pump operation as well as at standstill of the feed pump for a
- the sensor device comprises a sensor for determining a rotational speed of a rotor of an electric motor of the feed pump and / or a sensor for determining a power consumption of the electric motor, and the evaluation device determines the flow rate of rotational speed and power consumption of the electric motor.
- the speed is specified and measured the power consumption or the Power consumption is specified and the speed measured. Due to the known dependence of the flow rate of speed and power can then be determined. In particular, a change can be easily determined.
- the evaluation device constantly monitors the flow rate in order to be able to detect a tap in time as well.
- the evaluation device monitors the temperature signals provided by the at least one temperature sensor and, in particular, provides a detection signal for a (specific) temperature change which indicates a return flow of water from the hot water supply device through the bypass line into the feed pump, in particular if the feed pump is not in Operation is.
- This particular temperature change is, in particular, a rapid temperature change, which is attributable to the fact that water has flowed from the hot water supply device via the bypass line into the feed pump.
- a service water system of the aforementioned type in which a pump device according to the invention is arranged on the recirculation line.
- Figure 7 is a schematic representation of an evaluation device of
- Pump device 30 is provided. This pump device 30 is arranged on the recirculation line 24. By means of the pump device 30, delivery fluid, namely warm water, is conveyed between the first port 26 and the second port 28.
- the pump device 30 comprises a feed pump 116.
- the bypass line 34 and the check valve 32 form a combination 36.
- This combination 36 is arranged in series with the feed pump 116.
- the pump 116 (FIG. 2) comprises an electric motor 120 with a stator 122 and a rotor 124.
- the electric motor 120 further includes a motor circuit 128.
- the motor circuit 128 is disposed in a circuit housing 130.
- Circuit housing 130 may, as shown in Figure 2, be separate from the motor housing 126 or be formed by means of the motor housing 126.
- a temperature control device is associated with the temperature sensor (for example the temperature sensor 142).
- the tempering device ensures that defined temperature conditions are present in an environment of the temperature sensor 142. This can be temporal
- Temperature chamber and thus adjusted in the vicinity of the temperature sensor 142 and 146, respectively.
- the evaluation device 42 is arranged on a carrier 44 (FIG. 7).
- the carrier 44 is in particular positioned in the circuit housing 130.
- the motor circuit 128 is arranged, which drives the electric motor 120.
- the temperature sensor 142, 146 is signal-effectively connected to the evaluation device 42, that is, the corresponding temperature signals are provided to the evaluation device 42, which monitors the temperature signals.
- a sensor device is formed via the temperature sensor 142 or the temperature sensor 146 (optionally in combination with the tempering device), by means of which a water tap on the hot water line 20 can be detected when the feed pump 116 is stationary.
- the self-learning device 48 in turn generates data for the motor circuit 128 for controlling the electric motor 120 and thus the feed pump 116.
- FIG. 5 schematically shows a pump curve for the delivery pump 116, which indicates a delivery height H as a function of the flow rate Q. It is assumed that a constant speed n. Also plotted is the power consumption P (engine power). The corresponding data apply to a high-efficiency pump.
- a tap of water is detected by "on-board means" of the feed pump 116 when the feed pump 116 is in operation, and when it is not in operation.
- the water tap is detected. If the feed pump is not in operation, due to a possible backflow of water from the hot water tank 14 through the bypass line 34 into the feed pump 116 due to relatively strong temperature changes, the water tap is detected.
- Seven-day pattern can be used.
- user patterns may be different for each day, with, for example, after some time regular patterns appearing for five days of the week, with the days following six and seven other user patterns.
- the feed pump 116 is put into operation as soon as a temperature change corresponding to the curve 58 or 60, which is due to the return flow of water into the feed pump 116, is detected. Also, a temperature change according to the profile 56 is detectable and is a sign of a tapping. It can then be verified that actually (after detection of a finite Flow rate in pump operation) water from the hot water tank 14 has passed directly via the second port 28 into the feed pump 116.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015119883.5A DE102015119883A1 (de) | 2015-11-17 | 2015-11-17 | Pumpenvorrichtung, Brauchwassersystem, Verfahren zum Betreiben eines Brauchwassersystems und Selbstlernverfahren für eine Förderpumpe eines Brauchwassersystems |
PCT/EP2016/077579 WO2017085015A1 (de) | 2015-11-17 | 2016-11-14 | Pumpenvorrichtung, brauchwassersystem, verfahren zum betreiben eines brauchwassersystems und selbstlernverfahren für eine förderpumpe eines brauchwassersystems |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3377770A1 true EP3377770A1 (de) | 2018-09-26 |
EP3377770B1 EP3377770B1 (de) | 2020-01-08 |
Family
ID=57354347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16798445.9A Active EP3377770B1 (de) | 2015-11-17 | 2016-11-14 | Pumpenvorrichtung, brauchwassersystem, verfahren zum betreiben eines brauchwassersystems und selbstlernverfahren für eine förderpumpe eines brauchwassersystems |
Country Status (5)
Country | Link |
---|---|
US (1) | US11221149B2 (de) |
EP (1) | EP3377770B1 (de) |
CN (1) | CN108291551B (de) |
DE (1) | DE102015119883A1 (de) |
WO (1) | WO2017085015A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202000015106A1 (it) * | 2020-06-23 | 2021-12-23 | Francesco Zambaldi | Sistema di circolazione di acqua calda, particolarmente per uso sanitario e suo procedimento di installazione |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US989648A (en) * | 1910-04-05 | 1911-04-18 | Charles D Saxton | Water-supply system for houses, &c. |
CH375993A (de) * | 1960-02-10 | 1964-03-15 | Sulzer Ag | Einrichtung zum Schutze der Druckrohrleitungen von Pumpenanlagen |
FR2398976A1 (fr) * | 1977-07-25 | 1979-02-23 | Saunier Duval | Dispositif pour la production d'eau chaude sanitaire a partir d'un reservoir d'accumulation et d'un generateur individuel |
US5143049A (en) * | 1987-10-19 | 1992-09-01 | Laing Karsten A | Pump for secondary circulation |
DE19512025C2 (de) * | 1995-03-31 | 1999-01-28 | Stiebel Eltron Gmbh & Co Kg | Gasheizgerät |
DE29619824U1 (de) * | 1996-11-14 | 1997-02-27 | Klaus Union Armaturen | Freilaufrückschlagventil |
DE29900274U1 (de) * | 1999-01-09 | 1999-04-15 | Schneppen Heinz | Warmwasser-Versorgungseinrichtung |
US7073528B2 (en) * | 2000-10-25 | 2006-07-11 | Grundfos Pumps Manufacturing Corp. | Water pump and thermostatically controlled bypass valve |
DE10106106A1 (de) | 2001-02-10 | 2002-08-14 | Ulrich Claus | Anordnung und Verfahren zur bedarfsweisen Aktivierung eines Warmwasserkreislaufes |
DE10128444B4 (de) | 2001-06-12 | 2007-04-19 | Clauß, Ulrich, Dr.-Ing. | Anordnung und Verfahren zur bedarfsabhängigen automatischen Steuerung von Warmwasser-Zirkulationspumpen |
US20060230772A1 (en) | 2005-04-15 | 2006-10-19 | Wacknov Joel B | System and method for efficient and expedient delivery of hot water |
US7128090B1 (en) * | 2005-09-01 | 2006-10-31 | Tozen Corporation | Water-hammer preventing unit for check valve |
CN101135496A (zh) * | 2006-08-30 | 2008-03-05 | 党路明 | 一种生产淋浴及其它用途热水的装置 |
DE102007007414B3 (de) | 2006-11-19 | 2008-03-06 | Clauß, Ulrich, Dr.-Ing. | Zirkulations-Automat |
DE102006054729B3 (de) | 2006-11-19 | 2007-10-18 | Clauß, Ulrich, Dr.-Ing. | Zirkulations-Automat |
US20090145490A1 (en) * | 2007-08-07 | 2009-06-11 | Donald Gregory Kershisnik | Water conservation / hot water recirculation system utilizing timer and demand method |
DE102007054313B4 (de) | 2007-11-05 | 2016-08-04 | Xylem Ip Holdings Llc | Umwälzpumpe, Heizsystem und Verfahren zur Bestimmung der Durchströmungsmenge einer Flüssigkeit durch eine Leitung |
CN202501759U (zh) * | 2012-03-21 | 2012-10-24 | 济南海川投资集团有限公司 | 炭素煅烧炉余热供暖系统 |
DE202012010328U1 (de) | 2012-10-29 | 2012-11-28 | Ulrich Clauss | Bedarfsgerechte Steuerung einer Rohrbegleitheizung |
DE102013109134A1 (de) | 2013-08-23 | 2015-02-26 | Xylem Ip Holdings Llc | Verfahren zur Bestimmung einer Durchströmungsmenge an einem Flüssigkeitsfördersystem, Verfahren zur Bestimmung einer Energiemenge einer Förderflüssigkeit, Flüssigkeitsfördersystem und Pumpe |
-
2015
- 2015-11-17 DE DE102015119883.5A patent/DE102015119883A1/de active Pending
-
2016
- 2016-11-14 US US15/776,560 patent/US11221149B2/en active Active
- 2016-11-14 WO PCT/EP2016/077579 patent/WO2017085015A1/de active Application Filing
- 2016-11-14 EP EP16798445.9A patent/EP3377770B1/de active Active
- 2016-11-14 CN CN201680067021.2A patent/CN108291551B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN108291551B (zh) | 2020-02-14 |
DE102015119883A1 (de) | 2017-05-18 |
EP3377770B1 (de) | 2020-01-08 |
US20180347831A1 (en) | 2018-12-06 |
CN108291551A (zh) | 2018-07-17 |
WO2017085015A1 (de) | 2017-05-26 |
US11221149B2 (en) | 2022-01-11 |
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