EP3887918A1 - Procédé pour faire fonctionner un dispositif de commande et dispositif de commande - Google Patents

Procédé pour faire fonctionner un dispositif de commande et dispositif de commande

Info

Publication number
EP3887918A1
EP3887918A1 EP19809833.7A EP19809833A EP3887918A1 EP 3887918 A1 EP3887918 A1 EP 3887918A1 EP 19809833 A EP19809833 A EP 19809833A EP 3887918 A1 EP3887918 A1 EP 3887918A1
Authority
EP
European Patent Office
Prior art keywords
control device
sensor
medium
control
cta
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Withdrawn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
EP19809833.7A
Other languages
German (de)
English (en)
Inventor
Hendrik HOESSEL
Alexander Thomas LAUTERLEN
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.)
Simplex Armaturen und Systeme GmbH
Original Assignee
Simplex Armaturen und Systeme GmbH
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 Simplex Armaturen und Systeme GmbH filed Critical Simplex Armaturen und Systeme GmbH
Publication of EP3887918A1 publication Critical patent/EP3887918A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • F24D19/1018—Radiator valves
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • 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
    • 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
    • F24D2220/044—Flow sensors

Definitions

  • the invention relates to a method for operating a
  • control device for a heat exchanger through which a liquid medium flows
  • the control device comprises an electrical control valve by means of which a volume flow of the medium flowing through the heat exchanger is set
  • control device controls includes a position of the
  • Control valve is determined, in which the control device comprises a room temperature sensor, through which one
  • Room temperature is determined and at which the position of the control valve as a function of a setpoint for the
  • Room temperature is specified by the controller.
  • a control device for a heat exchanger through which a liquid medium flows is known in principle from the prior art, the control device comprising a through-channel for the liquid medium, the control device comprising an electrical control valve in the through-channel, and wherein the control device includes a controller and a
  • Room temperature sensor includes.
  • Control device comprises a CTA sensor through which the volume flow of the medium and a temperature of the medium in the region of the control valve are detected, and that of the
  • Control the data of the CTA sensor for determining the position of the control valve are processed such that the position of the control valve is selected by the control such that a desired room temperature within a predetermined
  • control system calculates a supply on the basis of the volume flow recorded by the CTA sensor and the temperatures recorded by the CTA sensor
  • Heating power or a cooling power supplied In this way it is avoided that an unnecessarily large heating capacity or cooling capacity is called up in order to achieve a heating target or a cooling target.
  • Time intervals within which the desired room temperature is to be achieved can be used in this way to peak loads
  • control device It is also provided to equip the control device with a further sensor, the further sensor being designed either as a temperature sensor, by means of which one
  • Temperature of the inflowing medium is detected, or wherein the further sensor is designed as a further CTA sensor, through which the volume flow and a temperature of the inflowing medium are detected.
  • the control unit can obtain even more data for a targeted achievement of the
  • control can change the heating target e.g. even with a radiator covered by a towel
  • the second sensor is not only designed as a temperature sensor but as a CTA sensor, it is also possible to compare the measured values
  • control valve is opened completely by the control for determining a maximum flow for a measuring cycle.
  • Control device independently determine the available heating power so that it is not necessary to transmit data to the control device or to manually enter data.
  • the measurement cycle mentioned is carried out at regular time intervals or that the
  • Measurement cycle is carried out event-controlled. This can ensure that the control device always works with applicable values and therefore reliably.
  • an event is e.g. one over one
  • Such a high heating or cooling requirement can e.g. occur in holiday homes which are to be heated or cooled after a break in use.
  • the control device comprises a CTA sensor, the CTA sensor comprising a measuring probe which is arranged in the through-channel, and the CTA sensor being on the controller is connected.
  • a CTA sensor can be used to control the control device via the temperature of the medium and the volume flow of the medium
  • control device comprises a further sensor, the further sensor either being designed as a temperature sensor, by means of which a temperature of the inflowing medium is detected, or wherein the further sensor is designed as a further CTA sensor, by means of which the volume flow and a temperature of the inflowing medium are detected.
  • Control device further information is available, so that the advantages of the method described above arise.
  • control device is arranged as a structural unit with one on the through-channel
  • Inlet connection for the liquid medium and to be formed with an outlet connection for the liquid medium arranged on the through-channel. This makes it possible to
  • Control device e.g. to install in the simplest way instead of a mechanical thermostat on radiators, which form heat exchangers.
  • a heating device or a cooling device in which the medium is heated or cooled.
  • the control device according to the invention is designed in particular as a heat exchanger control device.
  • the achievement of a desired room temperature is also the achievement of a heating target or Designated cooling target.
  • a heating installation is also understood to mean an installation by means of which e.g. the temperature is lowered in a building.
  • a CTA sensor is used
  • Flow sensor understood, which is operated according to the principle of "constant temperature anemometry" and for this purpose comprises a measuring probe which is guided into a medium
  • Measuring probe is controlled sequentially, i.e. in a sequence the media temperature is set by applying a low
  • Heating power is determined on the platinum measuring resistor and in a further sequence a certain heating power is applied on the platinum measuring resistor.
  • the resulting heat is dissipated by the prevailing media flow at the measuring resistor and thus provides information about the flow velocity.
  • the flow rate will
  • the volume flow can then be calculated from the flow velocity and the known geometric shape of the sensor housing.
  • the CTA sensor determines the temperature and
  • Figure 1 is a schematic representation of an inventive
  • Control device 1 which on a heat exchanger 3 designed as a heater 2
  • Heating installation 4 is installed. A liquid medium 6 is heated by a heater 5 of the heater installation 4.
  • the control device 1 is arranged in the return line 8 directly after the heat exchanger 3, so that the medium 6 flows through the control device 1 on its way out of the heat exchanger 3.
  • the control device 1 comprises an electrical control valve 9. A volume flow of the medium 3 flowing to the heat exchanger 3 is set by means of the control valve 9.
  • the volume flow through the control valve 9 can be adjusted continuously or in steps between a closed position and an open position of the control valve 9.
  • Control device 1 also includes a control 10, from which a position of the electrically operated control valve 9 is determined.
  • control device 1 can also be connected via radio or by cable
  • Room temperature of a room 12 is determined, in which the radiator 2 is located. The position of the control valve 9 is then dependent on the controller 10 specified setpoint for the room temperature.
  • the control device 1 further comprises a CTA sensor 13.
  • the CTA sensor 13 is a volume flow with which the medium 6 flows through the control device 1, and a
  • Control device 1 has, alternately detected and transmitted to the controller 10.
  • the controller 10 processes the data from the CTA sensor 13 to determine the position of the control valve
  • control valve 9 is predetermined such that a desired room temperature of the room 12 is reached within a predetermined time interval.
  • the position of the control valve 9 is determined on the basis of one currently available through the medium 6, based on that of the controller 10 based on that of the CTA sensor 10
  • the amount of heat supplied to the room 12 as heating power is calculated by the controller 10 on the basis of the temperatures and volume flows measured by the CTA sensor 13. If also from one in the supply line 7
  • temperatures can be detected by the
  • Control 10 also the amount of heat given off by the radiator 2 into the room 12 can be calculated.
  • the further or second sensor 17 is also a CTA sensor
  • Drain line 8 compares and, at a lower return, closes a leak on the radiator and closes the control valve 9 in order to prevent an uncontrolled outflow of the medium M.
  • the control device 1 comprises a through channel 14, in which the control valve 9 and the CTA sensor 13 are arranged, the CTA sensor 13 with a measuring probe 13a in the
  • the through-channel 14 in which the measuring probe 13a of the CTA sensor 13 is arranged remains constant in the flow direction over a length section beginning before the measuring probe 13a and ending after the measuring probe 13a, in the
  • Control 10 stored cross-section formed, so that in the area of the CTA sensor 13 results in a type of orifice whose geometry is stored in the control 10 for calculating the volume flow from the measured values for the flow rate.
  • the second sensor 17 is also designed as a CTA sensor, it is correspondingly arranged in a further through channel and corresponding data for this through channel are also stored in the control.
  • Control device 1 an input port 15, with which this is connected to the heat exchanger 3, and one
  • the second sensor in the return line and the control device with the first sensor in the

Landscapes

  • 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)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Air Conditioning Control Device (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

Abstract

L'invention concerne un procédé pour faire fonctionner un dispositif de commande (1) et un dispositif de commande (1) destiné à un échangeur de chaleur (3) parcouru par une substance fluide (6), le capteur CTA (13) comprenant une sonde de mesure (13a) qui est agencée dans le canal de passage (14) et le capteur CTA (13) étant raccordé à la commande (10).
EP19809833.7A 2018-11-28 2019-11-27 Procédé pour faire fonctionner un dispositif de commande et dispositif de commande Withdrawn EP3887918A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018130192.8A DE102018130192A1 (de) 2018-11-28 2018-11-28 Verfahren zum Betrieb einer Kontrolleinrichtung und Kontrolleinrichtung
PCT/EP2019/082762 WO2020109396A1 (fr) 2018-11-28 2019-11-27 Procédé pour faire fonctionner un dispositif de commande et dispositif de commande

Publications (1)

Publication Number Publication Date
EP3887918A1 true EP3887918A1 (fr) 2021-10-06

Family

ID=68699466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19809833.7A Withdrawn EP3887918A1 (fr) 2018-11-28 2019-11-27 Procédé pour faire fonctionner un dispositif de commande et dispositif de commande

Country Status (3)

Country Link
EP (1) EP3887918A1 (fr)
DE (1) DE102018130192A1 (fr)
WO (1) WO2020109396A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3345949A1 (de) * 1983-12-20 1985-06-27 Christian Prof.Dipl.-Ing. 7710 Donaueschingen Dirks Vorrichtung zum steuern eines zentralheizungssystems
WO2005089122A2 (fr) * 2004-03-05 2005-09-29 Mayo Foundation For Medical Education And Research Animaux presentant une masse grasse reduite et une densite osseuse accrue
US20130240172A1 (en) * 2012-03-13 2013-09-19 Victaulic Company Hydronic System and Control Method
CH706736A1 (de) * 2012-07-09 2014-01-15 Belimo Holding Ag Verfahren zum Betrieb eines Wärmetauschers sowie HVAC-Anlage zur Durchführung des Verfahrens.
JP6830339B2 (ja) * 2016-11-01 2021-02-17 リンナイ株式会社 熱源装置

Also Published As

Publication number Publication date
DE102018130192A1 (de) 2020-05-28
WO2020109396A1 (fr) 2020-06-04

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