WO2022122744A1 - Cabine d'ascenseur comprenant des moyens de ventilation pour ventiler la cabine lorsque la cabine est fermée pendant un trajet - Google Patents

Cabine d'ascenseur comprenant des moyens de ventilation pour ventiler la cabine lorsque la cabine est fermée pendant un trajet Download PDF

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Publication number
WO2022122744A1
WO2022122744A1 PCT/EP2021/084621 EP2021084621W WO2022122744A1 WO 2022122744 A1 WO2022122744 A1 WO 2022122744A1 EP 2021084621 W EP2021084621 W EP 2021084621W WO 2022122744 A1 WO2022122744 A1 WO 2022122744A1
Authority
WO
WIPO (PCT)
Prior art keywords
elevator car
elevator
air
car
ventilation
Prior art date
Application number
PCT/EP2021/084621
Other languages
German (de)
English (en)
Inventor
Jürgen Kunstmann
Catherine FÜRSTENBERG-DUSSMANN
Original Assignee
Dussmann Technical Solutions 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
Priority claimed from DE102020132512.6A external-priority patent/DE102020132512A1/de
Priority claimed from DE202020107044.4U external-priority patent/DE202020107044U1/de
Application filed by Dussmann Technical Solutions Gmbh filed Critical Dussmann Technical Solutions Gmbh
Publication of WO2022122744A1 publication Critical patent/WO2022122744A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • B66B11/024—Ventilation systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/10—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with air supply, or exhaust, through perforated wall, floor or ceiling

Definitions

  • Elevator car with ventilation means for ventilating the car when the car is closed while driving
  • the invention relates to an elevator car with ventilation means for ventilating the car when the car is closed while the car is in motion.
  • Elevator cars are moved in an elevator shaft between floors, with the back pressure occurring on the outside of the elevator car during travel generally providing for a pressure difference between the top and bottom of the car. This can be used to flow air through the elevator car when driving, even without fans.
  • Some elevator cars have air inlet and outlet openings in the lower and upper parts of the elevator car. These inlets and outlets are in direct communication with the outside air.
  • elevator cars have a motor-driven fan mounted on the car roof.
  • the motor drives fan blades that draw air from the elevator shaft into the elevator car and from there back into the elevator shaft.
  • Many cabins have a simple ceiling fan opening that serves as an air intake and simple vents in the side walls.
  • the air inlet can be covered by a screen.
  • EP 2 655 237 A1 discloses a passive noise-reduced air duct system.
  • An elevator car can be moved in an elevator shaft, with a ventilation device being attached to an outer surface of the car, with this ventilation device forming at least one ventilation duct, with the at least one ventilation duct having at least one primary ventilation opening which enables an exchange of air between the ventilation duct and the elevator shaft, with at least one of the Cabin outer surfaces has at least one secondary ventilation opening, which enables air exchange between a cabin interior and the at least one ventilation duct, with at least one element made of insulating material, the at least one element essentially determining the course of the at least one ventilation duct.
  • EP 1 953 109 B1 deals with the temperature distribution in closed elevator shaft systems outside the elevator car.
  • EP 0 418 511 A1 discloses a passive ventilation system without a fan.
  • the device for ventilation of high-speed elevator cabins in which ventilation during travel with the doors closed is provided through the openings of the prescribed cross-sectional area present in the upper and lower parts of the cabin body, and where in the Cabin, generated by airflow and dynamic pressure on the air-displacing cabin, a vertical air flow is created.
  • the air that is in the shaft of the elevator is guided into the passenger compartment in a relaxed manner by the travel of the cabin by means of slits and baffles arranged in the roof and floor of the cabin.
  • in the floor area there is at least one slot which is formed by an outer cabin wall and an outer edge of the floor and is slightly covered by interior lining panels, through which the expanded air reaches the passenger compartment.
  • EP 0 545 131 A1 also discloses passive ventilation of high-speed cars, with a number of ventilation slots corresponding to the prescribed ventilation cross-section being provided in at least one side wall of the elevator car, which are arranged one above the other above the floor in such a way that protective plates are attached to the rear of the ventilation slots , which on the one hand do not reduce the cross-section of the ventilation slots and on the other hand prevent objects or fingers from being stuck in the ventilation slots.
  • US Pat. No. 2,350,389 A discloses a ceiling fan which, together with ventilation slits in the foot area, enables a partial flow of circulating air and a partial flow of outside air through the cabin from top to bottom at the same time.
  • EP 0 820 955 A1 describes a space-saving ventilation device for an elevator car integrated into an emergency exit flap in the ceiling.
  • the fan is attached to the door of an emergency exit provided in the ceiling of the elevator car.
  • EP 1 541 516 B1 discloses a ventilation system with a horizontal flow through the elevator car using fans.
  • the elevator car has at least one integrated air duct, which extends essentially in the vertical direction along the side walls of the elevator car, and a fan attached to the elevator car.
  • One end of each air duct is connected to the fan via an adapter element.
  • the air duct is delimited by a longitudinal section of the side wall of the elevator car and by an air duct element which is fastened to the side wall in the region of this longitudinal section.
  • Each air duct is in direct connection with the elevator car via a large number of ventilation holes. The air flows from the fan through the adapter elements into the air ducts, then through the ventilation holes into the elevator car and from the elevator car back into the elevator shaft.
  • JP 2000103581 A and EP 1 950 167 A1 relate to the equalization of the cabin air flow even with changing flow speeds in the vicinity of the elevator shaft. Furthermore, methods for air treatment using UV radiation and air ionization are known. A method for surface treatment by means of UV radiation is described in EP 2 560 913 T3.
  • the elevator cars mentioned above facilitate the spread of the polluted air, since the density of people and the associated fluctuation is very high in elevator cars, which can cause an increased presence of bacteria and viruses in the air and on surfaces.
  • the only remedy is distance rules, with the consequences of using an elevator underutilized, such as longer waiting times and increased power consumption due to additional or empty trips.
  • the elevator car according to the invention with ventilation means for ventilating the car when the car is closed while driving initially comprises the ventilation means known from the prior art, namely: ceiling openings in the upper area of the elevator car for supplying ambient air into the elevator car, in particular from an elevator shaft; Floor openings in the lower area of the elevator car for discharging air from inside the elevator car, in particular into the elevator shaft, and at least one fan, which is connected via ventilation ducts to the ceiling openings or floor openings in such a way that ventilation of the closed elevator car is possible solely by the fan, in particular independently of a dynamic pressure occurring in an elevator shaft when the elevator car is being moved.
  • the ventilation means known from the prior art, namely: ceiling openings in the upper area of the elevator car for supplying ambient air into the elevator car, in particular from an elevator shaft; Floor openings in the lower area of the elevator car for discharging air from inside the elevator car, in particular into the elevator shaft, and at least one fan, which is connected via ventilation ducts to the ceiling openings or floor openings in such
  • this fan or these fans, the ventilation ducts and the ceiling and floor openings be designed in such a way that when the elevator car is closed, a vertical flow through the elevator car can take place from the ceiling openings in the direction of the floor openings, independently of a Movement or direction of movement of the elevator car in an elevator shaft. Due to the exclusive inflow of air from above, which occurs independently of the flow and pressure conditions prevailing outside the elevator car, aerosols exhaled by the people are conveyed directly downwards along the people and thus away from their mouths and noses. Swirling only takes place below the face.
  • the ceiling openings are designed as air guiding elements distributed over the surface of the ceiling. At least in the upper third of the cabin, these cause an almost laminar flow downwards.
  • these elements extend over the entire ceiling surface, so that there is a laminar flow, at least at head height, regardless of the number of people. A turbulence that cannot be avoided further down takes place below the face.
  • this flow is uniform over the entire surface of the blanket to eliminate horizontal airflow to equalize pressure differences.
  • the floor openings are designed as air collection elements distributed over the surface of the floor in such a way that, at least when the elevator car is empty, there is an approximately laminar flow from the air guiding elements distributed in the surface of the ceiling downwards to the air collection elements distributed over the surface of the floor can.
  • upside and downside are equal cross-sectional areas, so pressure is evenly distributed across area and height.
  • the fan or these fans can be arranged and designed in such a way that the supplied ambient air can be pressed into the elevator car via the ventilation ducts and the ceiling openings or the air from inside the elevator car can be pressed via the ventilation ducts and the floor openings can be vacuumed. In any case, there is flow from top to bottom.
  • Throttle elements can be installed in the air path on the exhaust air and/or intake air side to regulate the desired pressure conditions. These can be part of the ventilation control.
  • a similar effect is obtained if a second fan is provided, so that one of several fans presses the supplied ambient air into the elevator car and the second fan at the same time sucks the supplied ambient air out of the elevator car.
  • a ventilation control can also be used here by controlling different speeds of the fans to regulate the desired pressure ratios.
  • an air filter and/or an air ionization device is preferably provided in the guided air flow for supplying ambient air to the ceiling openings in the upper area of the elevator car.
  • these are particle and HEPA filters according to specification F5-H14, preferably H13/14.
  • an air filter can also be provided on the outlet side.
  • the invention can be used particularly effectively if the elevator car has a ventilation control unit for controlling the fan or fans. This allows the air flow, but also other facilities, such as UV lighting, to be regulated as required. This happens in particular depending on one or more of the following parameters:
  • sensors connected to the ventilation control unit are provided for detecting the corresponding parameters.
  • the person skilled in the art can select these from the prior art depending on the parameters.
  • the term “sensors” is to be understood functionally, ie the parameters do not necessarily have to be implemented by a single component.
  • a "sensor for determining the speed and/or direction of movement of the elevator car” can therefore either be a component, e.g. an acceleration sensor, or it can be provided or implemented functionally by the elevator control, which, for example, can report the "fast travel down" status even without sensors.
  • the loading of the cabin can be measured, for example, using a type of scale or IR detectors, but also indirectly by evaluating the drive parameters, eg measuring the required motor power, eg via "current times voltage".
  • ventilation control unit is to be understood functionally and not necessarily as a separate component in the elevator, but can also be installed outside or with the elevator control in the control room.
  • ventilation control unit is to be understood functionally and not necessarily as a separate component in the elevator, but can also be installed outside or with the elevator control in the control room.
  • the invention also expressly includes the ventilation control unit being integrated in the elevator control.
  • the interaction between the sensors with the ventilation control unit and the fans or throttles can preferably take place in such a way that different ventilation modes can be implemented:
  • a good cost/benefit ratio is preferably an air change rate of 10-100 times/h (based on the interior volume of the elevator car), particularly preferably 40-60 times/h.
  • the ventilation is operated with an increased air exchange rate compared to the above-mentioned moving car. This can preferably only take place when the elevator car has not been detected to be loaded.
  • the overpressure or underpressure preferably being 20-1 OOPa, particularly preferably 40-70Pa.
  • ambient air can be sucked from the hallway into the car via the door and pressed into the elevator shaft, or vice versa.
  • both can work in the same direction here, ie for example sucking out of the cabin. This can preferably only take place when the elevator car has not been detected to be loaded.
  • the air exchange rate is determined and adjusted as a function of the load or the number of people, with the air exchange rate increasing as the load or number of people increases.
  • virus and bacteria-reducing UV lamps are proposed, which are installed and aligned so that they radiate directly onto areas in the elevator car, see above that people in the elevator car cannot look directly into the UV lamps.
  • at least some of the surfaces are effectively irradiated with UV radiation without endangering the eyesight of the people in the cabin.
  • the air in the direct area of the UV lamps is decontaminated.
  • indirect UV light is diffusely radiated through the directly irradiated surfaces into the other area of the cabin, it is below the limit values applicable to the eye.
  • Light output and geometry are to be designed accordingly by a specialist.
  • a lighting controller can be provided, which controls the UV lamps in such a way that when the elevator car is empty with the elevator door closed, e.g. during rest periods or empty runs, the UV lamps emit with increased UV power and thus essentially all inner side walls via indirect radiation and irradiate operating elements of the elevator car with virus- and bacteria-reducing intensity, at least for a certain time. In passenger operation, therefore, no harmful relevant radiation occurs in the passenger area, but when the cabin is empty.
  • these virus and bacteria-reducing UV lamps are provided in the elevator car, which are installed and aligned in such a way that they can essentially irradiate essentially old inner side walls and operating elements of the elevator car directly and a lighting control is provided which controls the UV lamps in such a way that when the elevator car is empty with the elevator door closed, e.g. during idle times or empty runs, the UV lamps essentially cover all inner side walls and irradiate operating elements of the elevator car with virus and bacteria-reducing intensity at least for a certain time, but not during transport operation or when the door is open to protect people.
  • UV-C illuminants are particularly effective.
  • the radiation decontaminates surfaces and air.
  • an air humidification device be provided in the elevator car, which sprays liquid, in particular water, into the interior.
  • the droplets bind viruses from the air, which can quickly settle on the ground.
  • a virus-binding or virus-decomposing substance is preferably sprayed as a liquid, so that the viruses are bound by the sprayed water particles, sink to the bottom and are decomposed there.
  • a controller which controls the air humidification device in such a way that when the elevator car is empty and the elevator door is closed, e.g. during rest periods or empty journeys, the air humidification device is activated at least for a certain time, but not during transport operation or when the door is open to protect people .
  • bacteria-binding or bacteria-decomposing substances are also sprayed with the liquid, so that the bacteria also sink to the floor and are decomposed there.
  • the control panels inside the elevator car have an antibacterial finish and/or be designed without contact.
  • plastics are made antibacterial with biostabilizers and antimicrobial additives. These active ingredients or additives kill or inhibit the growth of viruses, bacteria or fungi by releasing more or less toxic compounds, such as Corian, a polyacrylic material from DuPont, marketed primarily for the healthcare sector as worktops/furniture/ceramics, which develops a corresponding effect via cationic silver (silver ions), or ceramics from Villeroy & Boch, whose antibacterial effect is achieved through the addition of silver salts.
  • FIG 1 shows an elevator car according to the invention with ventilation means for ventilating the car when the car is closed while the car is in motion and
  • FIG 2 shows an elevator car according to the invention with virus- and bacteria-reducing UV lamps.
  • the ventilation means 3-9 for ventilating the car here include the ceiling openings 3 in the upper area of the elevator car for supplying ambient air into the elevator car from the elevator shaft 1.
  • the floor openings 4 for discharging air from inside the elevator car in the elevator shaft 1.
  • a pressure fan 5 and a suction fan 6 are each connected via ventilation ducts to the ceiling openings 3 and floor openings 4 in such a way that the closed elevator car 2 can be ventilated solely by the fan and independently of a moving elevator car 2 in the elevator shaft 1 resulting dynamic pressure is possible.
  • the fans 5, 6 ensure that when the elevator car is closed, a vertical flow 10 through the elevator car can take place from the ceiling openings 3 in the direction of the floor openings 4, regardless of a movement or direction of movement of the elevator car 2 in an elevator shaft 1.
  • the present are the ceiling openings 3 are designed as air guiding elements distributed over the surface of the ceiling, so that an approximately laminar flow 10 downwards can take place at least at the top.
  • the floor openings 4 are designed as air collection elements distributed over the surface of the floor, so that at least when the elevator car is empty, an approximately laminar flow 10 can take place from the air guiding elements distributed in the surface of the ceiling down to the air collection elements distributed over the surface of the floor .
  • An air filter 7 is provided in the air path for supplying ambient air to the ceiling openings 3 in the upper area of the elevator car 2 and to prevent contamination of the elevator shaft 1 such an air filter 8 is also installed on the outlet side.
  • a ventilation control unit 9 is installed to control the fans 5, 6 depending on the parameters explained in detail in the text above.
  • UV lamps 13 show an elevator car 2 according to the invention with virus- and bacteria-reducing UV lamps 13 in the ceiling area. Some of the UV lamps 13 are installed and aligned in such a way that they only radiate directly 5b onto areas in the elevator car, specifically in this way that people in the elevator car cannot look directly into these UV lamps.
  • a lighting control 14 which operates the UV lighting means 13 when the elevator car is empty and the elevator door is closed with an increased eye-damaging UV power and thus irradiates essentially all inner side walls and operating elements of the elevator car with virus- and bacteria-reducing intensity via indirect radiation 5b. Incidentally, the air inside is also treated.
  • UV lamps 13 are installed and aligned in such a way that they can effectively irradiate essentially all of the inner side walls and operating elements of the elevator car 2 directly 5a+5b.
  • the lighting control 14 also ensures here that the UV lamps essentially only irradiate all inner side walls and operating elements of the elevator car with virus- and bacteria-reducing but eye-damaging intensity when the elevator car is empty with the elevator door closed, e.g. during rest periods or empty journeys 5a+5b.

Abstract

L'invention concerne une cabine d'ascenseur (2) comprenant des moyens de ventilation (3-9) pour ventiler la cabine lorsque la cabine est fermée pendant un trajet, les moyens de ventilation (3-9) comprenant : des ouvertures supérieures (3) dans la zone supérieure de la cabine d'ascenseur pour alimenter la cabine d'ascenseur en air ambiant, provenant en particulier d'une cage d'ascenseur (1), des ouvertures de plancher (4) dans la zone inférieure de la cabine d'ascenseur pour évacuer l'air contenu à l'intérieur de la cabine d'ascenseur, en particulier dans la cage d'ascenseur, au moins un ventilateur (5, 6) qui est relié par l'intermédiaire de conduits de ventilation aux ouvertures de plafond ou aux ouvertures de plancher (3, 4) de façon que la ventilation de la cabine d'ascenseur fermée n'est possible qu'au moyen du ventilateur et indépendamment d'une pression dynamique générée lors du déplacement de la cabine d'ascenseur dans une cage d'ascenseur. Cette cabine est caractérisée en ce que le ventilateur (5, 6), les conduits de ventilation et les ouvertures de plafond et de plancher (3, 4) sont conçus de façon que, lorsque la cabine d'ascenseur est fermée, un flux traversant vertical (10) peut traverser la cabine d'ascenseur depuis les ouvertures de plafond (3) dans la direction des ouvertures de plancher (4), indépendamment d'un déplacement ou d'une direction de déplacement de la cabine d'ascenseur (2) dans la cage d'ascenseur (1).
PCT/EP2021/084621 2020-12-07 2021-12-07 Cabine d'ascenseur comprenant des moyens de ventilation pour ventiler la cabine lorsque la cabine est fermée pendant un trajet WO2022122744A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102020132512.6A DE102020132512A1 (de) 2020-12-07 2020-12-07 Aufzugskabine mit Belüftungsmitteln zum Belüften der Kabine bei geschlossener Kabine während der Fahrt
DE202020107044.4U DE202020107044U1 (de) 2020-12-07 2020-12-07 Aufzugskabine mit Belüftungsmitteln zum Belüften der Kabine bei geschlossener Kabine während der Fahrt
DE102020132512.6 2020-12-07
DE202020107044.4 2020-12-07

Publications (1)

Publication Number Publication Date
WO2022122744A1 true WO2022122744A1 (fr) 2022-06-16

Family

ID=79282895

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/084621 WO2022122744A1 (fr) 2020-12-07 2021-12-07 Cabine d'ascenseur comprenant des moyens de ventilation pour ventiler la cabine lorsque la cabine est fermée pendant un trajet

Country Status (1)

Country Link
WO (1) WO2022122744A1 (fr)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2350389A (en) 1940-10-07 1944-06-06 Tyler Co W S Method of and apparatus for ventilating elevator cars
EP0418511A1 (fr) 1989-09-22 1991-03-27 Inventio Ag Appareil de conditionnement de l'air pour cabines d'ascenseurs à grande vitesse
EP0545131A1 (fr) 1991-12-04 1993-06-09 Inventio Ag Appareil de conditionnement de l'air du compartiment passagers de cabines d'ascenseurs à grandes vitesses
EP0820955A1 (fr) 1996-07-24 1998-01-28 Inventio Ag Dispositif de ventilation pour cabine d'ascenseur
JP2000103581A (ja) 1998-09-29 2000-04-11 Otis Elevator Co エレベーターのかご室
EP1950167A1 (fr) 2007-01-29 2008-07-30 Inventio Ag Système d'aération pour une cabine d'ascenseur tout comme cabine d'ascenseur et installation d'ascenseur dotée d'un tel système d'aération
EP1541516B1 (fr) 2003-12-08 2008-11-12 Inventio Ag Cabine d'ascenseur avec système de ventilation intégré
EP2560913A1 (fr) 2010-04-23 2013-02-27 Nickel, Tanja Dispositif de désinfection de mains courantes et procédé pour désinfecter une main courante
EP2655237A1 (fr) 2010-12-22 2013-10-30 Inventio AG Dispositif de ventilation d'un équipement élévateur
EP1953109B1 (fr) 2005-11-22 2016-06-29 Mitsubishi Electric Corporation Dispositif d'ascenseur
US20190002244A1 (en) * 2015-07-31 2019-01-03 Otis Elevator Company Self cleaning elevator
CN111573456A (zh) * 2020-04-09 2020-08-25 罗轶 电梯公共卫生安全改造方法
CN111994758A (zh) * 2020-08-30 2020-11-27 苏州铃木电梯有限公司 一种电梯轿厢环境智能洁净装置及其控制系统

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2350389A (en) 1940-10-07 1944-06-06 Tyler Co W S Method of and apparatus for ventilating elevator cars
EP0418511A1 (fr) 1989-09-22 1991-03-27 Inventio Ag Appareil de conditionnement de l'air pour cabines d'ascenseurs à grande vitesse
EP0545131A1 (fr) 1991-12-04 1993-06-09 Inventio Ag Appareil de conditionnement de l'air du compartiment passagers de cabines d'ascenseurs à grandes vitesses
EP0820955A1 (fr) 1996-07-24 1998-01-28 Inventio Ag Dispositif de ventilation pour cabine d'ascenseur
JP2000103581A (ja) 1998-09-29 2000-04-11 Otis Elevator Co エレベーターのかご室
EP1541516B1 (fr) 2003-12-08 2008-11-12 Inventio Ag Cabine d'ascenseur avec système de ventilation intégré
EP1953109B1 (fr) 2005-11-22 2016-06-29 Mitsubishi Electric Corporation Dispositif d'ascenseur
EP1950167A1 (fr) 2007-01-29 2008-07-30 Inventio Ag Système d'aération pour une cabine d'ascenseur tout comme cabine d'ascenseur et installation d'ascenseur dotée d'un tel système d'aération
EP2560913A1 (fr) 2010-04-23 2013-02-27 Nickel, Tanja Dispositif de désinfection de mains courantes et procédé pour désinfecter une main courante
EP2655237A1 (fr) 2010-12-22 2013-10-30 Inventio AG Dispositif de ventilation d'un équipement élévateur
US20190002244A1 (en) * 2015-07-31 2019-01-03 Otis Elevator Company Self cleaning elevator
CN111573456A (zh) * 2020-04-09 2020-08-25 罗轶 电梯公共卫生安全改造方法
CN111994758A (zh) * 2020-08-30 2020-11-27 苏州铃木电梯有限公司 一种电梯轿厢环境智能洁净装置及其控制系统

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