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EP-4735321-A1 - METHOD FOR OPERATING A VENTILATION SYSTEM, AND VENTILATION SYSTEM

EP4735321A1EP 4735321 A1EP4735321 A1EP 4735321A1EP-4735321-A1

Abstract

The invention relates to a method for operating a ventilation system 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), an air particle value L P of the ambient air U of the track-bound vehicle (1) is ascertained, and the fresh air quantity (20) per unit of time is determined and set on the basis of the air particle value P of the ambient air U.

Inventors

  • EHRIG, MARKUS

Assignees

  • Siemens Mobility GmbH

Dates

Publication Date
20260506
Application Date
20240711

Claims (16)

  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 an air particle value (L P ) of the ambient air (U) of the rail-guided vehicle (1) is determined and the amount of fresh air (20) per unit of time is determined and adjusted as a function of the air particle value (L P ) of the ambient air (U).
  2. 2. Method according to claim 1, 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.
  3. 3. Method according to claim 1 or 2, characterized in that an occupancy-dependent state parameter value (40) of the interior (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).
  4. 4. Method according to claim 3, characterized in that the occupancy-dependent state parameter value (40) of the interior space (2) is a value of a CCp concentration in the interior space (2) and/or a number of persons in the interior space (2).
  5. 5. Method according to one of claims 3 or 4, characterized in that the occupancy-dependent state parameter value (40) of the interior (2) is continuously determined and compared with a predetermined target value (42) and, under the condition that the occupancy-dependent state parameter value (40) of the interior (2) deviates from the predetermined target value (42), the amount of fresh air (20) fed into the interior (2) per unit of time is adjusted.
  6. 6. Method according to claim 5, characterized in that - if the setpoint (42) is not met, the amount of fresh air (20) fed into the interior (2) per unit of time is increased and/or - when the setpoint (42) is maintained, the amount of fresh air (20) fed into the interior (2) per unit of time is kept constant or reduced.
  7. 7. Method according to one of the preceding claims, characterized in that the air particle value (L P ) is determined continuously and - when the air particle value (L P ) is reduced, the amount of fresh air (20) fed into an interior (2) of the track-guided vehicle (1) per unit of time is increased and/or - if the air particle value (L P ) increases, the amount of fresh air (20) fed into an interior (2) of the track-guided vehicle (1) per unit of time is kept constant or reduced.
  8. 8. Method according to one of the preceding claims, characterized in that the air particle value (L P ) is a measure of the amount of particles, such as sand and/or dust, in the ambient air (U).
  9. 9. Method according to one of the preceding claims, characterized in that the air particle value (L P ) when the ambient air (U) is sucked into the ventilation system (10) in a suction area of the ventilation system (10) is determined by a measuring device (12), wherein the measuring device (12) determines the light transmittance of the ambient air (U) sucked in.
  10. 10. 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 an air particle value (L P ) of the ambient air (U) of the rail-guided vehicle can be determined and the amount of fresh air (20) per unit of time can be determined and adjusted depending on the air particle value (L P ) of the ambient air (U).
  11. 11. Ventilation system (10) according to claim 10, characterized in that the ventilation system (10) has a measuring device (12) in an intake region of the ventilation system (10), which is designed to determine the air particle value (L P ) by determining the light transmittance of the intake ambient air (U).
  12. 12. Ventilation system (10) according to claim 10 or 11, characterized in that it is designed such that it is adapted to carry out the method according to one of claims 1 to 9.
  13. 13. Track-guided vehicle (1) comprising at least one ventilation system (10) according to one of claims 10 to 12.
  14. 14. 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 to carry out a method for operating the ventilation system (10) according to one of claims 1 to 9.
  15. 15. 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 9 to be carried out in a computer of a ventilation system (10) for a rail-guided vehicle or in a computer of the rail-guided vehicle (1) with such a ventilation system (1).
  16. 16. Digital twin of a ventilation system (10) according to one of claims 10 to 12 or of a track-guided vehicle according to claim 13, wherein the digital twin comprises a digitized image of a ventilation system (10) according to one of claims 10 to 12 or a digitized image of a track-guided vehicle according to claim 13.

Description

Description Method for operating a ventilation system and 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, wherein the ventilation system is designed such that the amount of fresh air fed into the 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 device or a device further developed as described below. ventilation system or a similar or further developed track-guided vehicle as described below. When air is drawn in for rail-guided vehicles, sand and dust particles get into the ventilation systems. These then get into the filter or through the filter into the components or into the air ducts. These particles contaminate the components of the ventilation systems and the air ducts. The filters also become clogged. This has the disadvantage that frequent filter changes and/or cleaning of the components in the ventilation system and cleaning of the air ducts is necessary. The cleaning cycles in the case of high particle loads, e.g. due to sand and/or dust, are shortened from months to days or hours. Proceeding from this, the object of the invention is to provide a method for operating a ventilation system and a ventilation system which allows extended maintenance intervals in the event of high particle loading. This object is achieved by the method of claim 1. Furthermore, the object is achieved by the ventilation system of claim 8, the track-guided vehicle of claim 12, the computer program product according to claim 13, the computer-readable recording medium according to claim 14 and the digital twin according to claim 15. Advantageous embodiments and further developments are the subject of the respective subclaims. According to the invention, a method for operating a ventilation system of a track-guided vehicle is provided, wherein by means of the ventilation system, which per unit of time in a The amount of fresh air fed into the interior of the track-guided vehicle is adjusted. An air particle value of the ambient air of the track-guided vehicle is determined and the amount of fresh air per unit of time is determined and adjusted depending on the air particle value of the ambient air. 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 an air particle value of the ambient air of the track-guided vehicle can be determined and the amount of fresh air per unit of time can be determined and adjusted depending on the air particle value of the ambient air. 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, 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 track-guided vehicle, is suitable net is to cause the computer of the ventilation system for a rail-guided vehicle or in 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 system as described below or of such a rail-guided vehicle ... The track-guided vehicle is, for exam