EP0945620B1 - Pompe avec régulation de la puissance intégrée - Google Patents

Pompe avec régulation de la puissance intégrée Download PDF

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Publication number
EP0945620B1
EP0945620B1 EP19990104516 EP99104516A EP0945620B1 EP 0945620 B1 EP0945620 B1 EP 0945620B1 EP 19990104516 EP19990104516 EP 19990104516 EP 99104516 A EP99104516 A EP 99104516A EP 0945620 B1 EP0945620 B1 EP 0945620B1
Authority
EP
European Patent Office
Prior art keywords
pump
differential
pressure
fact
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.)
Expired - Lifetime
Application number
EP19990104516
Other languages
German (de)
English (en)
Other versions
EP0945620A3 (fr
EP0945620A2 (fr
Inventor
Thorsten Dr. Kettner
Jürgen Resch
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.)
Wilo SE
Original Assignee
Wilo AG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7862041&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0945620(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wilo AG filed Critical Wilo AG
Publication of EP0945620A2 publication Critical patent/EP0945620A2/fr
Publication of EP0945620A3 publication Critical patent/EP0945620A3/fr
Application granted granted Critical
Publication of EP0945620B1 publication Critical patent/EP0945620B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/08—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the rotational speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation
    • 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
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/07—Pressure difference over the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/10—Inlet temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/19—Temperature

Definitions

  • the invention relates to a pump with integrated in or on the pump housing power control, being adjusted depending on the temperature of the pumped medium to be maintained by the pump differential pressure.
  • the automatic power adjustment of circulating pumps with electronic power control allows a hydraulic optimization of the system conditions and thus energy / operating cost savings. Thanks to the control methods available today for constant or variable differential pressure setpoints, all variable-volume heating systems can be hydraulically optimized with this pump system. However, differential-pressure-controlled pumps can not be used for constant-volume pipe networks (for example, single-pipe systems) or for heat generation using condensing technology.
  • a heating system in condensing technology is known for example from DE 44 12 181. It discloses a heating system with a heating circuit and a hydraulic compensation, wherein one or more pumps are integrated respectively in the return of a condensing boiler and the return temperatures of all condensing units and the heating circuit measured and compared to the energy and operating cost savings such that based on the comparison of the Volume flow is adjusted by the respective pump.
  • an external controller is used, which reduces the volume flow through the device in question in the case of a higher return temperature at the condensing boilers in contrast to the return temperature of the heating circuit. It is placed on a flow control, but does not cause a hydraulically optimal adjustment of the heating system.
  • the measured medium temperature offers a reference variable for stepless power adaptation or control.
  • control mode ⁇ p-T the electronics changes the differential pressure setpoint to be maintained by the pump as a function of the measured fluid temperature. As the temperature rises, the setpoint is raised, ie the speed and flow increase, and as the temperature falls, the setpoint is reduced, that is, the speed and flow rate decrease.
  • the object of the invention is to find a control mode for an electronically controlled pump, which allows the optimal use for condensing technology by the demand for the lowest possible return temperature is met. Also, this pump should optionally be used in a system for cooling control.
  • the lower the return temperature the higher the energy use in condensing technology and / or in a refrigeration control.
  • the lowest possible return temperature is by a pump with a ⁇ p-T control with negative control effect regulated by the pump itself, as with increasing temperature the speed of the pump is reduced. The result is that the flow rate drops and thus the return temperature. When the return temperature drops, the pump speed is increased. The result is that the flow rate increases and thus also the amount of heat delivered to the system.
  • the temperature sensor necessary for measuring the temperature of the medium can either be mounted or integrated directly in the pump or in its vicinity. If the information about the fluid temperature is detected outside the pump and fed to the pump control, this can be done via a radio link and via a data line. It is also conceivable to transmit the data signals by means of light, in particular infrared light. It goes without saying that the rule context can be specified or programmed in any way so that the pump can be adapted to the respective requirements of the line system and the components connected thereto.
  • the pump with special functions, such as. Shut down, break times or the like, reacts. If the pump according to the invention is installed in a heating system, it can thereby independently recognize the night reduction of the heating system and automatically reduce the power of the pump for energy-saving reasons.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)

Claims (9)

  1. Pompe avec régulation de débit intégrée sur ou dans le carter de pompe la pression différentielle devant être respectée par la pompe étant régulée en dépendance de la température du liquide refoulé,
    caractérisée par le fait que la relation de régulation entre la température du liquide refoulé et la pression différentielle devant être réglée par la pompe correspond à une fonction décroissante de manière monotone.
  2. Pompe régulée en pression différentielle selon la revendication 1,
    caractérisée par le fait que la pompe est montée dans un système de chauffage dans le retour et que la chaudière de chauffage travaille en technique de puissance calorifique.
  3. Pompe régulée en pression différentielle selon la revendication 1,
    caractérisée par le fait que la pompe est mise en oeuvre dans un système pour la régulation de froid.
  4. Pompe régulée en pression différentielle selon l'une des revendications précédentes,
    caractérisée par le fait que le capteur de température pour détecter la température du liquide est intégré sur ou dans la pompe ou le module de régulation.
  5. Pompe régulée en pression différentielle selon l'une des revendications précédentes,
    caractérisée par le fait que l'information sur la température du liquide est détectée à l'extérieur de la pompe et amenée à la régulation de la pompe.
  6. Pompe régulée en pression différentielle selon l'une des revendications précédentes,
    caractérisée par le fait que la raideur de pente de la ligne caractéristique, qui définit la relation entre la pression différentielle et la température du liquide, peut être réglée de manière quelconque, en particulier par sections.
  7. Pompe régulée en pression différentielle selon l'une des revendications précédentes,
    caractérisée par le fait que des valeurs limites quelconques peuvent être prédéfinies pour la raideur de pente de la ligne caractéristique qui définit la relation entre la pression différentielle et la température du liquide.
  8. Pompe régulée en pression différentielle selon l'une de revendications précédentes,
    caractérisée par le fait que, dans le cas de températures déterminées pouvant être fixées librement, la pompe réagit avec des fonctions particulières telles que mise hors circuit, temps de pause ou autres.
  9. Pompe régulée en pression différentielle selon l'une des revendications précédentes,
    caractérisée par le fait qu'une pompe incorporée dans un système de chauffage reconnaît de manière autonome l'abaissement nocturne de l'installation de chauffage et réduit automatiquement le débit de la pompe.
EP19990104516 1998-03-24 1999-03-06 Pompe avec régulation de la puissance intégrée Expired - Lifetime EP0945620B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19812784 1998-03-24
DE1998112784 DE19812784B4 (de) 1998-03-24 1998-03-24 Pumpe mit integrierter Leistungsregelung

Publications (3)

Publication Number Publication Date
EP0945620A2 EP0945620A2 (fr) 1999-09-29
EP0945620A3 EP0945620A3 (fr) 2000-08-09
EP0945620B1 true EP0945620B1 (fr) 2006-06-28

Family

ID=7862041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990104516 Expired - Lifetime EP0945620B1 (fr) 1998-03-24 1999-03-06 Pompe avec régulation de la puissance intégrée

Country Status (2)

Country Link
EP (1) EP0945620B1 (fr)
DE (2) DE19812784B4 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10051249A1 (de) * 2000-10-16 2002-04-25 Wilo Gmbh ECO-Knopf
DE10139510B4 (de) * 2001-08-10 2006-10-19 Robert Bosch Gmbh Verfahren zur Regelung der Drehzahl einer Umwälzpumpe
EP2151578B1 (fr) * 2008-08-04 2019-09-18 Grundfos Management A/S Agrégat de pompe de recirculation
DE102018200652A1 (de) * 2018-01-16 2019-07-18 KSB SE & Co. KGaA Verfahren zur Regelung einer Umwälzpumpe sowie Umwälzpumpe
CN112302964B (zh) * 2020-10-29 2022-07-08 西安西热节能技术有限公司 一种独立凝汽式汽动给水泵效率的测定方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2140853C3 (de) * 1971-08-14 1974-08-22 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Temperatur-Regeleinrichtung für eine Warmwasser-Heizungsanlage
DE2524760A1 (de) * 1975-06-04 1976-12-16 Rapido Dinsing Werk Gmbh Verfahren zur regelung einer heizungsanlage und heizungsanlage zur durchfuehrung des verfahrens
DE3105373A1 (de) * 1981-02-13 1982-11-11 Siemens AG, 1000 Berlin und 8000 München Heizungsanlage
AT377598B (de) * 1981-07-03 1985-04-10 Azote Sa Cie Neerlandaise Warmwasserleitungssystem
FR2524970B1 (fr) * 1982-04-09 1987-01-16 Salmson Pompes Regulateur de temperature pour installation de chauffage central
JPS60226635A (ja) * 1984-04-24 1985-11-11 Matsushita Electric Ind Co Ltd 温水暖房機のポンプ装置
DE8906091U1 (fr) * 1989-05-17 1989-08-03 Klein, Wolfgang, Dipl.-Ing., 8501 Eckental, De
DE4211204C2 (de) * 1992-04-03 1995-03-23 Buderus Heiztechnik Gmbh Verfahren zur Verlängerung der Brennerlaufzeiten bzw. zur Verminderung der Anzahl der Brennerstarts je Zeiteinheit in einer Heizungsanlage
DE4412181A1 (de) * 1994-04-08 1995-10-12 Buderus Heiztechnik Gmbh Heizungsanlage
DE9408602U1 (de) * 1994-05-26 1995-09-28 Winkler Max MC-Heizungs- und Kesselsteuerung
DE4426401A1 (de) * 1994-07-26 1996-02-08 Baelz Gmbh Helmut Warmwasserheizungssystem
DE19507247A1 (de) * 1995-03-02 1996-09-05 Baunach Hans Georg Verfahren und Vorrichtung zur hydraulisch optimierten Regelung der Vorlauftemepratur
DE19513394B4 (de) * 1995-04-08 2006-06-14 Wilo Ag Temperaturgeführte Leistungsansteuerung für elektrisch betriebene Pumpenaggregate

Also Published As

Publication number Publication date
DE59913621D1 (de) 2006-08-10
EP0945620A3 (fr) 2000-08-09
DE19812784A1 (de) 1999-10-07
DE19812784B4 (de) 2007-10-31
EP0945620A2 (fr) 1999-09-29

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