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EP-4739561-A1 - METHOD FOR OPERATING A VENTILATION SYSTEM

EP4739561A1EP 4739561 A1EP4739561 A1EP 4739561A1EP-4739561-A1

Abstract

The invention relates to a method for operating a ventilation system (10) of a track-bound vehicle (1), wherein the fresh air quantity (20) conducted into the interior (2) of the track-bound vehicle (1) per unit of time is set by means of the ventilation system (10). The invention is characterized in that a VOC value VOC is ascertained, and the fresh air quantity (20) per unit of time is ascertained and set on the basis of the VOC value.

Inventors

  • KASAP, Irfan
  • SCHMITZ, MARKUS

Assignees

  • Siemens Mobility GmbH

Dates

Publication Date
20260513
Application Date
20240731

Claims (19)

  1. 1. Method for operating a ventilation system (10) of a rail-guided vehicle (1), wherein the amount of fresh air (20) fed into an interior (2) of the rail-guided vehicle (1) per unit of time is adjusted by means of the ventilation system (10), characterized in that at least one VOC value (VOC F , VOCu, VOC Z ) is determined and the amount of fresh air (20) per unit of time is determined and adjusted as a function of the at least one VOC value (VOC F , VOC F , VOC Z ).
  2. 2. Method according to claim 1, characterized in that a VOC value (VOC F ) of the fresh air (F) of the track-guided vehicle (1) is determined.
  3. 3. Method according to one of claims 1 or 2, characterized in that a VOC value (VOC F ) of the circulating air (U) of the track-guided vehicle (1) is determined.
  4. 4. Method according to one of claims 1 to 3, characterized in that a VOC value (VOC Z ) of the supply air (Z) of the track-guided vehicle (1) is determined.
  5. 5. Method according to one of the preceding claims, characterized in that the amount of fresh air (20) per unit of time corresponds to at least a predetermined minimum amount of fresh air (30) per unit of time.
  6. 6. Method according to claim 5, characterized in that an occupancy-dependent state parameter value (40) of the interior space (2) is determined and the predetermined minimum amount of fresh air (30) per unit of time is determined as a function of the occupancy-dependent state parameter value (40).
  7. 7. Method according to claim 6, characterized in that the occupancy-dependent state parameter value (40) of the interior space (2) is the CO z value of the circulating air and/or a number of persons in the interior space (2).
  8. 8. Method according to one of the preceding claims, characterized in that the at least one VOC value (VOC F , VOCu, VOC Z ) is continuously determined and compared with at least one predetermined VOC target value (S F , SU, S Z ) and, under the condition that the at least one VOC value (VOC F , VOCu, VOC Z ) deviates from the at least one predetermined VOC target value (S F , Su, S z ), the amount of fresh air (20) fed into the interior (2) per unit of time is adjusted.
  9. 9. Method according to claim 8, characterized in that - if the VOC target value (Su) of the recirculated air (U) is not complied with, the amount of fresh air (20) fed into the interior (2) per unit of time is increased and/or - when the VOC setpoint (Su) of the recirculated air (U) is maintained, the amount of fresh air (20) fed into the interior (2) per unit of time is kept constant or reduced.
  10. 10. Method according to claim 8 or 9, characterized in that - if the VOC target value (S F ) of the fresh air (F) is not complied with, the amount of fresh air (20) fed into the interior (2) per unit of time is kept constant or reduced and/or - while maintaining the VOC target value (S F ) of the fresh air (F), the amount of fresh air (20) fed into the interior (2) per unit of time is increased.
  11. 11. Ventilation system (10) for a rail-guided vehicle (1), which is designed to convey ambient air (U) into the interior (2) of the rail-guided vehicle (1), wherein the ventilation system (10) is designed such that the amount of fresh air (20) fed into an interior (2) of the rail-guided vehicle (1) per unit of time is adjustable, characterized in that the ventilation system (10) is designed such that at least one VOC value (VOC F , VOCu, VOC Z ) can be determined and the amount of fresh air (20) per unit of time can be determined and adjusted depending on the at least one VOC value (VOC F , VOC F , VOC Z ).
  12. 12. Ventilation system (10) according to claim 11, characterized in that the ventilation system (10) has a VOC fresh air sensor (50) which is designed to determine a VOC value (VOC F ) of the fresh air (F) of the track-guided vehicle (1).
  13. 13. Ventilation system (10) according to one of claims 11 or 12, characterized in that the ventilation system (10) has a VOC circulating air sensor (60) which is used to determine a VOC value (VOC F ) of the circulating air (U) of the track-guided vehicle (1).
  14. 14. Ventilation system (10) according to one of claims 11 to 13, characterized in that the ventilation system (10) has a VOC supply air sensor (70) which is used to determine a VOC value (VOC Z ) of the supply air (Z) of the track-guided vehicle (1).
  15. 15. Ventilation system (10) according to claim 11 or 14, characterized in that it is designed such that it is adapted to carry out the method according to one of claims 1 to 10.
  16. 16. Track-guided vehicle (1) comprising at least one ventilation system (10) according to one of claims 11 to 15.
  17. 17. Computer program product to be used in a computer of a ventilation system (10) for a rail-guided vehicle (1) or in a computer of a rail-guided vehicle (1) with such a ventilation system (1), wherein the computer program product, when executed, causes the computer to carry out a method for operating the ventilation system (10) according to one of claims 1 to 10.
  18. 18. Computer-readable recording medium on which a computer program product is recorded, characterized in that the computer program product, when executed in a ventilation system (10) for a rail-guided vehicle, is suitable for causing a method for operating the ventilation system (10) according to one of claims 1 to 10 to be carried out in a computer of the ventilation system (10) for a rail-guided vehicle or in a computer of the rail-guided vehicle (1) with such a ventilation system (1).
  19. 19. Digital twin of a ventilation system (10) according to one of claims 11 to 15 or of a track-guided vehicle according to claim 16, wherein the digital twin comprises a digitized image of a ventilation system (10) according to one of claims 11 to 15 or a digitized image of a track-guided vehicle according to claim 16.

Description

Description Method for operating a ventilation system The invention relates to a method for operating a ventilation system of a rail-guided vehicle, wherein the ventilation system is used to adjust the amount of fresh air fed into an interior of the rail-guided vehicle per unit of time. Furthermore, the invention relates to a ventilation system for a rail-guided vehicle, which is designed to convey ambient air into the interior of the rail-guided vehicle, and wherein the ventilation system is designed such that the amount of fresh air fed into an interior of the rail-guided vehicle per unit of time is adjustable. Furthermore, the invention relates to a track-guided vehicle comprising at least one such ventilation system or one further developed as described below. Furthermore, the invention relates to a computer program product which is to be used in a computer of a ventilation system for a rail-guided vehicle or in a computer of a rail-guided vehicle with such a ventilation system. Furthermore, the invention relates to a computer-readable recording medium on which a computer program product is recorded. Furthermore, the invention relates to a digital twin of such a ventilation system or a further developed one as described below or of such a track-guided vehicle or a further developed one as described below. Air quality is playing an increasingly important role in all areas of life. In the past, the main factors that played a role were the CO2 and CO concentrations in the air, but today people are also more sensitive to other mixed gases and fine dust in the ambient air. In the past, processes for ventilation and/or air conditioning of rail-guided vehicles were therefore adjusted in particular based on the CO2 concentration and the CO2 concentration. Based on this, the object of the invention is to provide an alternative solution for adjusting the ventilation. This object is achieved by the method of claim 1. Furthermore, the object is achieved by the ventilation system of claim 11, the track-guided vehicle of claim 16, the computer program product according to claim 17, the computer-readable recording medium according to claim 18 and the digital twin according to claim 19. Advantageous embodiments and further developments are the subject of the respective subclaims. According to the invention, a method is provided for operating a ventilation system of a track-guided vehicle, wherein the ventilation system is used to adjust the amount of fresh air fed into an interior of the track-guided vehicle per unit of time. The method provides that at least one VOC value is determined and the amount of fresh air per unit of time is determined and adjusted as a function of the at least one VOC value. Furthermore, according to the invention, a ventilation system for a track-guided vehicle is provided, which is designed to convey ambient air into the interior of the track-guided vehicle, wherein the ventilation system is designed such that the amount of fresh air fed into an interior of the track-guided vehicle per unit of time is adjustable. The ventilation system is designed such that at least one VOC value can be determined and the amount of fresh air per unit of time can be determined and adjusted depending on the at least one VOC value. Furthermore, according to the invention, a track-guided vehicle is provided, comprising at least one ventilation system such as this or further developed as described below. Furthermore, according to the invention, a computer program product is provided which is to be used in a computer of a ventilation system for a rail-guided vehicle or in a computer of a rail-guided vehicle with such a ventilation system, wherein the computer program product, when executed, causes the computer to carry out such a method or a method further developed as described below for operating the ventilation system. Furthermore, according to the invention, a computer-readable recording medium on which a computer program product is recorded is provided, wherein the computer program product, when executed in a ventilation system for a rail-guided vehicle, is suitable for causing a computer of the ventilation system for a rail-guided vehicle or a computer of the rail-guided vehicle with such a ventilation system to carry out such a method or a method further developed as described below for operating the ventilation system. Furthermore, according to the invention, a digital twin of such a ventilation system or of a further developed ventilation system as described below or of such a rail-guided vehicle ... According to the invention, the amount of fresh air depends on the at least one VOC value, so that the amount of fresh air changes depending on the at least one VOC value. VOC stands for "volatile organic compounds". These are volatile organic substances, also known as mixed gases. They are created, for example, by vapors from materials, body odors and/or tobacco smoke. The VOC value is a measure of the m