WO2016087013A1 - Système de ventilation - Google Patents

Système de ventilation Download PDF

Info

Publication number
WO2016087013A1
WO2016087013A1 PCT/EP2015/002121 EP2015002121W WO2016087013A1 WO 2016087013 A1 WO2016087013 A1 WO 2016087013A1 EP 2015002121 W EP2015002121 W EP 2015002121W WO 2016087013 A1 WO2016087013 A1 WO 2016087013A1
Authority
WO
WIPO (PCT)
Prior art keywords
air flow
nozzle
induction
air
ambient air
Prior art date
Application number
PCT/EP2015/002121
Other languages
German (de)
English (en)
Inventor
Rainer Schmid
Original Assignee
Audi Ag
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 Audi Ag filed Critical Audi Ag
Publication of WO2016087013A1 publication Critical patent/WO2016087013A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00557—Details of ducts or cables
    • B60H1/00564—Details of ducts or cables of air ducts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
    • B60H1/242—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the front area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H2001/006—Noise reduction

Definitions

  • the present invention relates to a method for ventilating a room and a ventilation system.
  • fans or blowers are generally used, accelerate the air via fins, thereby generate a flow of air and circulate the air in a room to be ventilated or supply the room with fresh air.
  • blowers usually have a high space and energy requirements, methods and devices for ventilation of especially confined spaces are needed that work efficiently and require relatively little space.
  • Bypass nozzle includes, one through the pressure generator
  • accelerated air flow can be tempered by a heat exchanger.
  • Induction air flow located ambient air sucked as ambient air flow, and directed over the at least one nozzle a directed
  • Ambient air is tempered via a heat exchanger and then passed through a second blower in the range of action of the induction air flow.
  • the presented method uses a principle which, for example, is used in so-called Dyson fans.
  • an air flow is passed through a nozzle which has wing-like curved surfaces at respective exit points of the air flow from the nozzle and thereby aligns the air flow.
  • a vertically flowing air flow is axially deflected by the aerodynamically curved surfaces and an induction air flow, d. H. Sheath stream, which "entrains" the surrounding air and thereby accelerates.
  • Induction airflow fan is supplied with air and a heat exchanger for controlling the temperature of ambient air through a second fan, d. H. an ambient air blower, is supplied with ambient air, so that is tempered by the induction air flow accelerated and to be transported in a room to be ventilated ambient air by means of the heat exchanger.
  • Induction air flow must be changed. This means that by a control of the supply or to the flow around the
  • Heat exchanger with ambient air provided ambient air blower a proportion of tempered, d. H. from cold or warm, air in
  • Total air flow can be controlled without being on a
  • Heat exchange capacity of the heat exchanger must be acted upon.
  • the total air flow which is correspondingly more reduced.
  • the total air flow at constant flow ie the same strength, and in particular constant induction air flow can be efficiently regulated in its temperature.
  • respective ambient air can, for example, be passed several times through a heat exchanger before it is finally fed to the at least one nozzle, ie brought into an effective range of the induction current.
  • circulation or fresh air operation ie a supply of sucked air while driving, to allow a mixed operation in which a bspw.
  • Induction air flow from freshly drawn air forms a total air flow.
  • Such a separation of climatic characteristics of induction air flow and ambient air flow leads to a particularly pleasant and finely adjustable total air flow, for example, an interior of a vehicle heated very quickly and a driver is not bothered with dry air because the warmed ambient air quickly mixed with the air of the induction air stream ,
  • a particularly compact nozzle or a particularly weak induction air flow can be selected. While in traditional systems, an air flow must be dimensioned so strong that even on far away structures, such as
  • Heat exchangers in a vehicle change applied flows or pressures, the induction air flow using the
  • inventive method are chosen only so strong independent of other structures that a desired or pleasant total air flow is achieved and an acoustic load correspondingly low.
  • the intensity of the strength of the total air flow determining blower for generating the induction air flow can be correspondingly lower, since the ambient air does not need to be sucked through angled pipe systems.
  • the total air flow from tempered Ambient air flow and induction air flow is deflected via a rotation of the at least one nozzle in its flow direction.
  • the at least one nozzle at least in the horizontal
  • Direction in particular in the horizontal and vertical direction is adjustable.
  • the nozzle is fixed only at a central point around which the nozzle can be designed to be pivotable.
  • the tempered ambient air is conducted via an air duct behind the at least one nozzle.
  • Ambient air flow is transported by the corresponding ambient air blower behind the at least one nozzle, so that the ambient air is entrained particularly efficient by the induction air flow.
  • Ambient air flow may be provided at least one air duct, which is selected such that flow characteristics of the ambient air flow are adapted to requirements of at least one nozzle.
  • the air duct for example, may have a defined diameter or a defined shape, which transports the ambient air with a defined thickness to a defined location relative to the induction air flow.
  • the air duct is changed in its cross section, whereby the ambient air flow is changed in its strength.
  • Total air flow consists of an ambient air flow, which consists only to a part of tempered ambient air and to another part of ambient air that has not been circulated through the ambient air blower. Through a mixed ambient air flow can on properties of the total air flow, such as. Humidity and
  • Temperature are acted by circulating an existing air in a room and is partially supplemented by tempered air.
  • the present invention relates to a ventilation system with
  • At least one nozzle to be flown through a flow channel from a first fan in such a way that by means of the at least one nozzle, an induction air flow passing through the at least one nozzle, wherein the induction air flow is to be used in order to Induction air flow located ambient air suck as ambient air flow, and wherein a total air flow consisting of the induction air flow and the ambient air flow to be transported via the at least one nozzle directed, and wherein the
  • Ventilation system comprises a heat exchanger, which is adapted to a second fan to the at least one nozzle
  • the presented ventilation system is used in particular for carrying out the presented method.
  • the presented ventilation system works on the "Dyson principle", as it is, for example, in fans of the company “Dyson” is used.
  • a sheath flow ie induction air flow is generated by a nozzle, which extends axially through the nozzle and in relation to its own volume a disproportionately large amount, ie, for example. Sucks a five to fifteen times the amount of ambient air and entrains.
  • Nozzle cross section to circulate considerably more air, d. H. to generate a stronger total air flow.
  • the ventilation system is arranged in a vehicle.
  • Ventilation strength and ventilation temperature usually a compromise solution.
  • Heat exchanger can be saved.
  • Ventilation system is provided that an air duct to supply the at least one nozzle with tempered ambient air, gradually to open and close is.
  • Ambient air blower as well as by a partial closure of the air duct to supply the at least one nozzle with tempered ambient air is to be influenced.
  • a partial closure of the air duct to supply the at least one nozzle with tempered ambient air is to be influenced.
  • a high closure or a small opening of the air duct a high
  • Ummetrelz Gold be achieved, whereas at a small closure or a large opening of the air duct, a high temperature control can be achieved.
  • Ventilation system is provided, that the at least one nozzle at least one Helmholtz resonator for the reduction of
  • Noise emissions of the at least one nozzle comprises.
  • Helmholtz resonators are particularly suitable for the reduction of
  • Ventilation system is very quiet and comfortable for a user.
  • porous absorbers and / or resonance absorbers can be used.
  • Figure 1 shows a schematic representation of a possible
  • Figure 2 shows a schematic representation of a possible
  • FIG. 3 shows a plan view of the nozzles from FIG. 2.
  • a nozzle 1 is shown, which via a first air duct 3 with air from an induction air flow fan (not shown here) and via a second air duct 5 with tempered air from a
  • Ambient air blower (not shown here) is supplied, as illustrated by arrows 7 and 9, respectively.
  • the first air duct 3 is functionally connected to the nozzle 1, so that a guided through the first air duct 3 air flow through the nozzle 1 from the inside, the nozzle 1 in her
  • Ambient air flow circulated through an ambient airflow pump independent of an induction airflow pump, can be
  • Ambient air flow eg. By multiple circulating through a
  • Heat exchanger 15 as indicated by arrow 17, respective requirements of a user, such as. Temperature and / or humidity are circulated accordingly before being supplied to the total air flow.
  • the heat exchanger 15 may be configured as a heating and / or cooling element.
  • FIG 2 two nozzles 21 and 23 are shown, through which a total air flow for ventilating a vehicle is generated in each case.
  • the nozzles 21 and 23 are adjustable both in the horizontal and in the vertical direction, so that, for example, a driver and a passenger can be supplied according to their wishes with air.
  • Total air flow can be controlled separately from the corresponding other nozzle 21 and 23, respectively.
  • Air ducts can be achieved, for example, via a constriction in the respective air duct, which, for example, is to be controlled via a switch 25.
  • FIG. 3 shows a plan view of a ventilation system 30 with nozzles 21 and 23.
  • a space 31 behind the Nozzles 21 and 23 in which ambient air to be distributed is provided, accessible to a user.
  • the user can act on the space 31, for example by attaching fragrancing bodies.
  • closed channels for conducting air in which, in particular during the operation of air conditioners bacteria, such as, for example. Can settle mildew bacteria, reduced.
  • nozzles 21 and 23 creates a shapely impression that offers a significant aesthetic value over a conventional ventilation grille.
  • Induction air flow can be supplied, the nozzles 21 and 23 are deflected individually, so that a respective total air flow is also deflected.
  • d. H. Rotating the nozzles 21 and 23 can be dispensed with a ventilation grille, as it is standard in the automotive industry.
  • a waiver of ventilation grille increases the accident safety of a corresponding vehicle, since any impact occurring splintering sharp small parts are avoided.

Abstract

L'invention concerne un procédé permettant d'alimenter un espace en air tempéré, selon lequel un flux d'air d'induction est établi par l'intermédiaire d'au moins une buse qui est alimentée en air par une première soufflerie. Un air ambiant se trouvant dans une zone active du flux d'air d'induction est aspiré par le flux d'air d'induction sous la forme d'un flux d'air ambiant, et un flux d'air total orienté composé du flux d'air d'induction et du flux d'air ambiant est transporté vers l'espace par la ou les buses, et le flux d'air environnant est tempéré par un échangeur de chaleur, puis dirigé par une deuxième soufflerie dans la zone active du flux d'air d'induction. L'invention concerne également un système de ventilation.
PCT/EP2015/002121 2014-12-02 2015-10-26 Système de ventilation WO2016087013A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014017774.2A DE102014017774B4 (de) 2014-12-02 2014-12-02 Verfahren zur Belüftung eines Raums und Belüftungssystem
DE102014017774.2 2014-12-02

Publications (1)

Publication Number Publication Date
WO2016087013A1 true WO2016087013A1 (fr) 2016-06-09

Family

ID=54364249

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/002121 WO2016087013A1 (fr) 2014-12-02 2015-10-26 Système de ventilation

Country Status (2)

Country Link
DE (1) DE102014017774B4 (fr)
WO (1) WO2016087013A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3061873B1 (fr) * 2017-01-19 2019-05-24 Valeo Systemes Thermiques Systeme de nebulisation pour vehicule automobile
GB2568939B (en) * 2017-12-01 2020-12-02 Dyson Technology Ltd A fan assembly
FR3075111B1 (fr) * 2017-12-20 2020-07-31 Valeo Systemes Thermiques Dispositif de ventilation a tubes pour systeme de ventilation, de chauffage et/ou de climatisation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6421300U (fr) * 1987-07-27 1989-02-02
US5340275A (en) * 1993-08-02 1994-08-23 Foster Wheeler Energy Corporation Rotary throat cutoff device and method for reducing centrifugal fan noise
US20100225012A1 (en) * 2009-03-04 2010-09-09 Dyson Technology Limited Humidifying apparatus
CN202165291U (zh) * 2011-08-04 2012-03-14 郑源福 车用无叶风扇
CN203381466U (zh) * 2013-07-02 2014-01-08 武汉佩容智能技术有限公司 一种车载无叶香薰空气净化器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10234345A1 (de) * 2002-07-26 2004-02-05 Behr Gmbh & Co. Gebläseanordnung und Verfahren zur Belüftung eines Fahrzeuges
DE102010029921A1 (de) * 2010-06-10 2011-12-15 Bayerische Motoren Werke Aktiengesellschaft Lüfter
DE202010016053U1 (de) * 2010-12-02 2011-02-24 Behr Gmbh & Co. Kg Kraftfahrzeugklimaanlage
DE102013100998A1 (de) 2013-01-31 2014-07-31 Ipetronik Gmbh & Co. Kg Gebläse für ein Kraftfahrzeug

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6421300U (fr) * 1987-07-27 1989-02-02
US5340275A (en) * 1993-08-02 1994-08-23 Foster Wheeler Energy Corporation Rotary throat cutoff device and method for reducing centrifugal fan noise
US20100225012A1 (en) * 2009-03-04 2010-09-09 Dyson Technology Limited Humidifying apparatus
CN202165291U (zh) * 2011-08-04 2012-03-14 郑源福 车用无叶风扇
CN203381466U (zh) * 2013-07-02 2014-01-08 武汉佩容智能技术有限公司 一种车载无叶香薰空气净化器

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DE102014017774A1 (de) 2016-06-02
DE102014017774B4 (de) 2018-05-17

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