EP4176208A1 - Procédé de fonctionnement d'un dispositif de surveillance pour surveiller une installation de chauffage, dispositif de surveillance et installation de chauffage comprenant le dispositif de surveillance - Google Patents

Procédé de fonctionnement d'un dispositif de surveillance pour surveiller une installation de chauffage, dispositif de surveillance et installation de chauffage comprenant le dispositif de surveillance

Info

Publication number
EP4176208A1
EP4176208A1 EP21728864.6A EP21728864A EP4176208A1 EP 4176208 A1 EP4176208 A1 EP 4176208A1 EP 21728864 A EP21728864 A EP 21728864A EP 4176208 A1 EP4176208 A1 EP 4176208A1
Authority
EP
European Patent Office
Prior art keywords
heating system
values
pressure
monitoring device
secondary side
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.)
Pending
Application number
EP21728864.6A
Other languages
German (de)
English (en)
Inventor
Peter Liebl
Thomas Matthis
Simone Kraemer
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP4176208A1 publication Critical patent/EP4176208A1/fr
Pending 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
    • 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
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • F24D3/1016—Tanks having a bladder
    • 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
    • F24D2220/02—Fluid distribution means
    • F24D2220/0278—Expansion vessels

Definitions

  • the invention relates to a method for operating a monitoring device for monitoring a heating system with the features of the preamble of claim 1.
  • the invention also relates to a monitoring device which is operated according to the method and a heating system with the monitoring device.
  • the publication DE 102018214837 A1 describes an additional device for a technical system, in particular for a heating system.
  • the additional device is designed to monitor the technical system. It comprises a sensor unit for recording operating parameters of the technical system as sensor data, a communication unit for transmitting the sensor data and an evaluation unit for evaluating the sensor data. System-specific information can be provided on the basis of the evaluated sensor data. Disclosure of the invention
  • the invention relates to a method for operating a monitoring device for monitoring a heating system with the features of claim 1, a monitoring device with the features of claim 14 and a heating system with the monitoring device according to claim 15.
  • Preferred, advantageous and / or further embodiments of the invention result from the subclaims, the following description and / or the figures.
  • the monitoring device is, for example, a computer unit which is connected in particular to the heating system and / or components of the heating system for signaling purposes.
  • the heating system is preferably designed as a liquid-operated heating system.
  • the heating system preferably comprises a closed hydraulic heating system.
  • the heating system is designed to control the temperature of service water and to control the temperature of a liquid, e.g. water, as a heat transfer medium by increasing the temperature.
  • the heating system is designed to heat rooms and / or areas of a building.
  • the heating system preferably comprises a heat generator with a downstream heat exchanger for tempering the liquid to a liquid temperature, one or more heating circuits and a circulating pump for circulating the liquid through the heating circuit (s).
  • the heating system optionally comprises at least one, preferably several heat consumers, for example heating surfaces, for heating the rooms and / or areas, the heat consumers being integrated in the heating circuit.
  • the liquid is preferably heated to a flow temperature by the heat generator and by means of the heat exchanger.
  • the flow temperature is usually adjusted to an outside temperature in order to heat the building sufficiently. In particular, the flow temperature must be higher at low outside temperatures than at higher outside temperatures.
  • the liquid with the flow temperature is circulated from the heat generator into the heating circuit and through the heat consumers.
  • the liquid When the liquid flows through the heating circuit (s), the liquid loses temperature, so that the liquid flows back to the heat exchanger at a lower return temperature than the flow temperature.
  • the liquid has a primary pressure in the heating circuit (s).
  • the primary pressure is directly dependent on and / or proportional to the liquid temperature, in particular to the flow and / or return temperature.
  • the heating system has a primary side and a secondary side.
  • the primary side is preferably formed by the closed heating hydraulic system, in particular by the heating circuit (s).
  • the secondary side is preferably formed by a gas-filled second region of a pressure expansion vessel of the heating system that is separated from the heating hydraulic system, in particular from the heating circuit (s).
  • the heating system preferably comprises the pressure expansion vessel, which is in particular a membrane pressure expansion vessel.
  • the pressure expansion vessel preferably has a first area which is designed to accommodate an expansion volume of the liquid in the heating system when the temperature increases.
  • the first area is in particular fluidically connected to the heating circuit (s).
  • the pressure expansion vessel has the second area, which is designed to receive the gas, in particular nitrogen.
  • the first area and the second area are preferably separated from one another by a membrane.
  • the second area is arranged below the first area in the pressure expansion vessel.
  • the gas is designed in particular to avoid corrosion of the water-carrying parts of the heating system and thus to prevent leakage through gas diffusion into the liquid.
  • the gas is preferably compressible as a function of the primary pressure.
  • the liquid in the (s) expands Heating circuit / s and in the first area and compresses the gas so that the primary pressure in the heating circuit / s does not change.
  • a decrease in the liquid temperature leads in particular to a reduction in the volume of the liquid in the heating circuit (s), as a result of which the liquid partially withdraws from the first area of the pressure expansion vessel and the gas expands again.
  • the pressure expansion vessel thus serves in particular to keep the primary pressure constant and thus to ensure a uniform heat supply in the building through the heating system.
  • the pressure expansion vessel preferably has a valve device which is, for example, a car valve.
  • the valve device is designed to allow the gas to flow into the second area.
  • the gas has a secondary pressure.
  • the secondary pressure is also referred to as the pre-pressure.
  • the pre-pressure preferably ranges between an initial pressure and a final pressure, the initial pressure being defined, in particular according to DIN 12828, Appendix D, by a static height of the system + 0.5 bar, and the final pressure, in particular according to DIN EN 12828, Appendix D, being defined by a Setting pressure of the heating safety valve minus a difference to the closing overpressure is defined.
  • the pre-pressure is preferably directly dependent on the static height of the heating system.
  • the secondary pressure is variable as a function of the primary pressure and / or the liquid temperature.
  • the secondary pressure is directly dependent and / or proportional to the primary pressure. In a normal, error-free operating mode of the heating system, the secondary pressure thus moves between the initial pressure and the final pressure, in particular depending on the flow and return temperatures.
  • the valve device is designed to allow the gas to flow into the second area at the pre-pressure.
  • the gas is preferably filled into the second area by the manufacturer via the valve device.
  • the specialist company will use the pre-set pressure, which corresponds in particular to the static height of the heating system in bar + 0.2 bar, adapted to the static height of the heating system.
  • a pressure expansion vessel is usually selected in which gas is arranged with a suitable secondary pressure for the static height of the heating system in the building.
  • a pressure sensor which measures and / or can measure the secondary pressure in the second area.
  • the pressure sensor is designed to measure the secondary pressure in the second area regularly and / or permanently, preferably after the installation and / or during operation of the heating system.
  • changes in the secondary pressure can advantageously be measured and recognized.
  • the heating system in particular the pressure expansion vessel, includes the pressure sensor.
  • the monitoring device is preferably connected to the pressure sensor for signaling purposes.
  • measurement data of the secondary pressure can be transmitted from the pressure sensor to the monitoring device.
  • the monitoring device comprises the pressure sensor.
  • the pressure sensor is permanently arranged on the valve device of the pressure expansion vessel.
  • the pressure sensor is preferably attached to the valve device at the factory and remains on the valve device during installation, commissioning and during operation of the heating system.
  • the pressure sensor is positively and / or non-positively connected to the valve device.
  • the pressure sensor is screwed onto the valve device.
  • the pressure sensor is also possible within the scope of the invention for the pressure sensor to be permanently connected to the valve device.
  • the form-fitting and / or force-fitting connection between the valve device and the pressure sensor can be secured against loosening of the pressure sensor. It is possible here for the pressure sensor to be detachable from the valve device only with a special tool provided for this purpose.
  • a defect in the pressure expansion vessel can be determined by regular and / or permanent measurement of the pre-pressure and by storing and / or evaluating the measured values.
  • an excessively high secondary pressure can be noticed in good time and the impact of a heating safety valve can be avoided.
  • a secondary pressure which is continuously falling over a certain period of time, can be found.
  • conclusions can be drawn about whether there is air in the heating circuit and this must be vented or whether there is too little liquid in the heating circuit and liquid needs to be refilled.
  • a time schedule can be drawn up as to when the corresponding measures must be carried out in order to maintain normal operation of the heating system.
  • measured pressure values on the secondary side are regularly recorded and stored during the operation of the heating system.
  • the pressure measurement values on the secondary side are measured in particular by the pressure sensor.
  • historical pressure measurement values on the secondary side are compared with current pressure measurement values on the secondary side.
  • pressure measurement values from the past are stored, and these can be called up for comparison with the current pressure measurement values.
  • the monitoring device preferably comprises a storage device for storing the measured pressure values.
  • the storage device can, for example, be integrated in the monitoring device as a local computer unit or in a peripheral server or computer unit. Alternatively or optionally in addition, the storage device can be formed by a cloud.
  • a maximum pressure measurement value, a minimum pressure measurement value and / or an average pressure measurement value is determined on the basis of several or all historical pressure measurement values Secondary side determined and / or saved. In particular, secondary pressure curves can be created and stored on the basis of the measured pressure values.
  • the maximum, minimum and / or average pressure measured value can in particular be maximum, minimum and / or average pressure measured values on the secondary side, which are customary and / or permissible for reliable operation of the heating system.
  • the flow temperature, the return temperature and / or an amount of heat on the primary side are measured as operating values of the heating system.
  • outside temperatures are measured as influencing values on the heating system.
  • the monitoring device preferably comprises at least one further sensor device, in particular at least one temperature sensor.
  • the amount of heat can be measured, for example, by a heat meter of the heating system, the heat meter preferably being connected to the monitoring device for signaling purposes in order to transmit the amount of heat.
  • the monitoring device can comprise the heat meter.
  • the outside temperatures can, for example, be measured by a corresponding temperature sensor and transmitted to the monitoring device or can be called up by the monitoring device from a suitable cloud service.
  • the measured operating values and / or influencing values are preferably stored in the evaluation device and / or in the storage device connected to the evaluation device and can be called up from there.
  • the monitoring device can be taught an algorithm.
  • the monitoring device can preferably use the learned algorithm to determine the maximum measured pressure value, the minimum measured pressure value and / or the average measured pressure value on the secondary side with reference to the operating values of the Determine the heating system and / or with reference to the influencing values on the heating system.
  • the normal and / or permissible pressure range for normal operation of the heating system is learned.
  • the measured pressure values on the secondary side can be evaluated and, in particular, determined whether the secondary pressure is too high and / or the pressure expansion vessel is defective.
  • the monitoring device comprises an evaluation device which is used to evaluate measured values, for example the measured pressure values on the secondary side, the operating values and / or influencing values, to carry out calculations based on the measured values and / or to learn and run the algorithm is trained.
  • comparison variable is preferably derived from some or all of the operating values and / or from some or all of the influencing values.
  • the comparison variable is preferably derived from some or all of the operating values and / or from some or all of the influencing values.
  • an absolute average liquid temperature of the liquid on the primary side is calculated as a comparison variable.
  • a weighted mean value of the flow temperature, the return temperature and / or the amount of heat on the primary side and / or the outside temperature can be calculated as a comparison variable.
  • the monitoring device uses the learned algorithm to recognize minimum pressure measurement values and maximum pressure measurement values on the secondary side, in particular with reference to or without reference to the operating values and / or influencing values.
  • a correspondence or discrepancy between the current pressure measurement values on the secondary side and the ascertained and / or learned maximum, minimum and / or average pressure measurement values on the secondary side is calculated. Temperature-related pressure changes on the secondary side are preferably deducted from the calculation.
  • an operating state, maintenance status and / or fault status of the heating system it is possible for an operating state, maintenance status and / or fault status of the heating system to be determined in the event of a calculated match or discrepancy.
  • the operating state includes, in particular, information on the amount of heat, the flow temperature, the return temperature and / or the prevailing primary pressure or secondary pressure.
  • the maintenance status includes, for example, information on whether and / or when the heating system and / or its components need to be serviced.
  • the error status includes, for example, information on malfunctions in the heating system and / or its components.
  • the operating status, maintenance status and / or error status can be stored and / or output in a user-specific manner.
  • the output of the operating status, the maintenance status and / or the error status and optionally in addition to the schemes or time curves can for example take place on an output device of the monitoring device, in particular on a display, touchscreen or monitor.
  • the output device can have a Loudspeaker device for outputting acoustic signals such as warning tones in the event of malfunctions in the heating system.
  • a heating system-specific correction factor is preferably calculated on the basis of the measured pressure values on the primary side or the primary pressures read. Alternatively, the heating system-specific correction factor can be calculated on the basis of several measured pressure values on the secondary side.
  • the primary pressure is preferably stored.
  • curves of the primary pressure can be created, stored and / or called up. The same can be done in particular for the secondary pressure, the operating values and / or influencing values.
  • the operating status, maintenance status and / or fault status of the heating system are preferably determined within the scope of the method on the basis of the calculated primary pressure.
  • maintenance and / or repair plans can be created, stored and / or output based on the operating state.
  • the maintenance plans can include, for example, the schemes and / or time curves from which it can be read how long the heating system will still be in normal operation, which maintenance must be carried out and when this must be carried out in order to ensure normal operation of the heating system.
  • the repair plans can in particular contain currently necessary repairs to the heating system and / or its components in order to restore or maintain normal operation of the heating system.
  • the preferably regular measurement of the secondary pressure can be used to determine, for example, a steadily increasing pressure in the heating circuit.
  • a prognosis as to the point in time from which an insufficient heat supply in the heating circuit for certain areas, especially upper floors, of the building is to be expected due to the insufficient primary pressure.
  • difficulties can arise with the heat supply in the areas of the building can be detected and forecast and maintenance and / or repair work can be planned.
  • a further subject matter of the invention is a monitoring device, the monitoring device being operated according to the method according to the previous description and / or according to one of claims 1-13.
  • a heating system with the monitoring device according to the previous description and / or according to claim 14 forms a further subject of the invention.
  • FIG. 1 shows a highly schematic representation of a monitoring device and a heating system, the monitoring device being designed to monitor the heating system;
  • FIG. 2 shows a highly schematic representation of method steps of a method for operating the monitoring device.
  • FIG. 1 a monitoring device 1 and a heating system 2 are shown in a highly schematic manner.
  • the monitoring device 1 is designed to monitor the heating system 2. For this purpose, it can carry out a method for monitoring the heating system 2.
  • the heating system 2 is a closed, liquid-operated, in particular hydraulically operating, heating system 2.
  • the heating system 2 comprises a heat source 3 with a downstream heat exchanger, a circulating pump 4, a heating circuit 5 through which a liquid, in particular heating water 6, is circulated and at least one, preferably several Heat consumer 7, e.g. heating surfaces.
  • the heating circuit 5 forms a primary side P of the heating system 2.
  • the heating system 2 is designed to provide one or more rooms,
  • the heating water 6 is heated to a flow temperature tV by the heat source 3 and by means of the heat exchanger and is circulated by means of the circulating pump 4 through the heating circuit 5 and through the heat consumers 7 so that they are tempered to heat the corresponding room, area or floor.
  • the heating water 6 flows from the heat consumers 7 back to the heat exchanger, whereby it has a return temperature tR.
  • the return temperature tR is usually lower than the flow temperature tV.
  • the flow temperature tV is determined as a function of external influences, e.g. an outside temperature tA, whereby it is lower in warmer months or at higher outside temperatures tA than in colder months or at lower outside temperatures tA.
  • a mean of the flow temperature tV and the return temperature tR in the heating circuit 5 together form, in particular, a liquid temperature of the heating water 6.
  • the primary pressure pP is directly dependent on and / or proportional to the liquid temperature, in particular on / to the flow and return temperatures tV, tR.
  • the heating system 2 comprises a pressure expansion vessel 8.
  • the pressure expansion vessel 8 has a container 9 with two areas 10, 11, the two areas 10, 11 being separated from one another by a membrane 12.
  • the first area 10 above the membrane 12 is integrated into the heating circuit 5, so that the heating liquid 6 flows into the first area 10 when it is circulated through the heating circuit 5.
  • the first area 10 is thus assigned to the primary side P of the heating system 2.
  • gas in particular nitrogen 13 is arranged in a second area 9 below the membrane 12, gas, in particular nitrogen 13, is arranged.
  • the second area 9 forms a secondary side S of the heating system 2.
  • the pressure expansion vessel 1 has a valve device 14 designed as a car valve.
  • the nitrogen 13 is admitted into the second region 11, in particular by the manufacturer, wherein it has a secondary pressure pS, also known as a pre-pressure, when the heating system 2 is in operation.
  • the secondary pressure pS is variable between a filling pressure and a final pressure depending on the liquid temperature and / or the primary pressure pP.
  • the secondary pressure pS depends directly on the liquid temperature and / or the primary pressure pP and / or the secondary pressure pS is proportional to this / it.
  • a pressure sensor 15 is permanently arranged on the valve device 14, e.g. screwed onto it.
  • the pressure sensor 15 is designed to measure the secondary pressure pS of the nitrogen 13 during the operation of the heating system 2 regularly and / or continuously as measured pressure values on the secondary side S.
  • Measured pressure values on the secondary side S, which originate from the past, are historical measured pressure values Wh, while currently measured measured pressure values on the secondary side S are current measured pressure values Wa (see FIG. 2).
  • the monitoring device 1 is designed as at least one computer unit or it can comprise at least one computer unit.
  • the monitoring device 1 comprises the pressure sensor 15. Alternatively, the monitoring device 1 can be connected to the pressure sensor 15 for signaling purposes.
  • the monitoring device 1 has a storage device 16 for storing the measured pressure values Wh, Wa and other data.
  • the storage device 16 can be integrated in the computer unit, be designed as an external memory and / or be formed by a cloud.
  • the monitoring device 1 comprises an evaluation device 17, the evaluation device 17 being designed to evaluate, analyze, and compare the measured pressure values Wh, Wa, to process them as data 22 and / or to log them.
  • the processed and / or logged data can be stored by means of the memory device 16, for example in the form of logs, schemes or time curves 23.
  • the pressure meter values Wh, Wa can be transmitted between the pressure sensor 15, the storage device 16 and / or the evaluation device 17 by means of signaling, wire-bound or wireless, it being possible for the signals to be transmitted digitally or analogously.
  • the monitoring device 11 has an output device 18 which is designed as a display device, e.g. as a display or monitor, and / or as a loudspeaker device for outputting acoustic signals.
  • the evaluated, analyzed, compared measured values of the secondary pressure pS can be displayed as the data 22 and / or the protocols, schemes or time curves 23 via the display device.
  • Information or warning tones can be output via the loudspeaker device, e.g. if an evaluation result of the pressure measurement values on the secondary side S is conspicuous, e.g. if it deviates from average normal values.
  • the monitoring device 1 comprises at least one further sensor device 19 for detecting operating values 20 of the heating system 2 and / or influencing values 21 of external influencing factors on the heating system 2.
  • the operating values are, for example, the flow temperature tV, the return temperature tR and / or a Heat quantity W of the heating system 2.
  • the influencing values 21 include, in particular, the outside temperature tA.
  • FIG. 2 shows a highly schematic representation of method steps of a method for operating the monitoring device 1.
  • the heating system 2 is monitored by the monitoring device 1.
  • the secondary pressure pS is measured by the pressure sensor 15 and transmitted as measured pressure values to the storage device 16 for storage and to the evaluation device 17 for evaluation.
  • the operating values 20 and / or influencing values 21 are recorded by the at least one sensor device 19 and transmitted to the evaluation device 17 for evaluation and to the storage device 16 for storage.
  • the storage device 16 stores the measured pressure values, the operating values 20 and / or the influencing values 21.
  • the evaluation device 17 evaluates whether the secondary pressure pS is too high. It can thus be determined, for example, that the pressure expansion vessel 8 is defective and / or that a stop of a heating safety valve is to be expected. It can also be forecast, for example, how long normal operation of the pressure expansion vessel 8 is still possible and / or when maintenance measures for the pressure expansion vessel 1 are to be planned and carried out in terms of time.
  • the prognoses and / or determinations can be stored in the memory device 16 in the form of the protocols, schemes and / or time curves 23 and / or output by means of the output device 18.
  • the evaluation device 17 retrieves the historical measured pressure values Wh and / or the current measured pressure values Wa from the storage device 16.
  • the current measured pressure values Wa can, however, also be transmitted directly to the evaluation device 17.
  • the evaluation device 17 compares the historical measured pressure values Wh with the current measured pressure values Wa. Using several or all of the historical measured pressure values Wh, the evaluation device 17 determines a maximum measured pressure value, a minimum measured pressure value and / or an average measured pressure value on the secondary side S.
  • the operating values 20 and / or the influencing values 21 are transmitted to the evaluation device 17 by the at least one further sensor device 19. Alternatively or optionally in addition, the evaluation device 17 calls the stored operating values 20 and / or influencing values 21 from the storage device 16.
  • the evaluation device 17 can determine the maximum pressure measurement value, the minimum pressure measurement value and / or the average pressure measurement value on the secondary side S also as a function of some or all of the operating values 20 and / or influencing values 21.
  • the evaluation device 17 is taught an algorithm in the context of the method and / or the evaluation device acts in accordance with the algorithm in the context of the method.
  • a comparison value is calculated to teach the algorithm.
  • the comparison variable is derived and / or calculated from some or all of the operating values 20 and / or from some or all of the influencing values 21.
  • the comparison value is e.g. the average liquid temperature.
  • the comparison variable can be an average value of the flow temperature tV, the return temperature TR and / or the amount of heat W.
  • the evaluation device 17 calculates a correspondence or discrepancy between the current measured pressure values Wa on the secondary side S and the determined maximum, minimum and / or average measured pressure values on the secondary side S. On the basis of the calculated correspondence or discrepancy, the evaluation device 17 determines an operating state, maintenance status and / or error status of the heating system 2, which is / are output via the output device 18 as the data 22 and / or in the form of the protocols, schemes and / or time curves 23 and / or are stored in the storage device 16. These can, for example, contain statements about whether there is an increasing primary pressure pP and whether there are possibly air pockets in the heating circuit 5 or whether there is too little heating water 6 in the heating circuit 5.
  • the logs, schemes and / or time curves 23 can also contain information and / or illustrate how long normal operation of the heating system 2 is still possible and when, for example, a defect can be expected. Thus can necessary maintenance and / or repair measures are better planned and implemented in terms of time.
  • the evaluation device 17 calculates the primary pressure pP as a function of the measured pressure values on the secondary side S.
  • the measured pressure values on the primary side P can be recorded by the at least one sensor device 19, which transmits them to the evaluation device 17.
  • the reading of the primary pressures pP can be done by a user who inputs the read primary pressures pP into the monitoring device 1, in particular into the evaluation device 17.
  • the measured pressure values on the secondary side S are used to determine the correction factor c.
  • the evaluation device 17 determines an operating state, maintenance state and / or fault status of the heating system 2 on the basis of the calculated primary pressure pP. Based on this, the evaluation device 17 creates maintenance plans and / or repair plans, which can be stored in the memory device 17 in the form of protocols, schemes or time curves and / or output by means of the output device 18.
  • the evaluation device 17 can, for example, use a regular calculation and evaluation of the primary pressure pP to determine whether this rises or falls within a period of time.
  • the operating status, maintenance status and / or error status can contain, for example, forecasts of the point in time from which a low heat supply from the heating system 2 can occur. Necessary repair and / or maintenance work can thus be recognized and scheduled.
  • the evaluation device 17 also checks the hydraulic balancing of the heating system 2 on the basis of the calculated temperature difference and / or this can be carried out on the basis of the temperature difference. In addition, the evaluation device 17 checks an operating behavior of the circulating pump 4. On the basis of the check results, a pump control can be designed more efficiently.

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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)
  • Measuring Fluid Pressure (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

L'invention concerne un procédé de fonctionnement d'un dispositif de surveillance (1), le dispositif de surveillance (1) étant conçu pour surveiller une installation de chauffage (2). Dans le cadre du procédé, des valeurs de mesure de pression sont régulièrement détectées et mémorisées sur un côté secondaire S de l'installation de chauffage (2). Selon l'invention, des valeurs de mesure de pression historiques Wh du côté secondaire S sont comparées à des valeurs de mesure de pression courantes Wa sur le côté secondaire S. La comparaison peut servir à établir des informations et des pronostics concernant un état de fonctionnement et de maintenance de l'installation de chauffage (2).
EP21728864.6A 2020-06-05 2021-05-21 Procédé de fonctionnement d'un dispositif de surveillance pour surveiller une installation de chauffage, dispositif de surveillance et installation de chauffage comprenant le dispositif de surveillance Pending EP4176208A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020207057.1A DE102020207057A1 (de) 2020-06-05 2020-06-05 Verfahren zum Betrieb einer Überwachungsvorrichtung zur Überwachung einer Heizungsanlage, Überwachungsvorrichtung und Heizungsanlage mit der Überwachungsvorrichtung
PCT/EP2021/063575 WO2021244869A1 (fr) 2020-06-05 2021-05-21 Procédé de fonctionnement d'un dispositif de surveillance pour surveiller une installation de chauffage, dispositif de surveillance et installation de chauffage comprenant le dispositif de surveillance

Publications (1)

Publication Number Publication Date
EP4176208A1 true EP4176208A1 (fr) 2023-05-10

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Family Applications (1)

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EP21728864.6A Pending EP4176208A1 (fr) 2020-06-05 2021-05-21 Procédé de fonctionnement d'un dispositif de surveillance pour surveiller une installation de chauffage, dispositif de surveillance et installation de chauffage comprenant le dispositif de surveillance

Country Status (3)

Country Link
EP (1) EP4176208A1 (fr)
DE (1) DE102020207057A1 (fr)
WO (1) WO2021244869A1 (fr)

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DE102020213912A1 (de) 2020-11-05 2022-05-05 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Überwachen von Heizungsanlagen
DE102022100365A1 (de) 2022-01-10 2023-07-13 Viessmann Climate Solutions Se Verfahren zum Betrieb einer ein Membranausdehnungsgefäß aufweisenden Heizungsanlage
DE102022101313A1 (de) * 2022-01-20 2023-07-20 Vaillant Gmbh Verfahren zur Konfiguration eines Klimasystems, Computerprogramm, Regel- und Steuerge-rät, Klimagerät und Verwendung von Daten

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