EP3749562A1 - Mischer sowie anordnung zur klimatisierung eines schienenfahrzeugs - Google Patents
Mischer sowie anordnung zur klimatisierung eines schienenfahrzeugsInfo
- Publication number
- EP3749562A1 EP3749562A1 EP19707297.8A EP19707297A EP3749562A1 EP 3749562 A1 EP3749562 A1 EP 3749562A1 EP 19707297 A EP19707297 A EP 19707297A EP 3749562 A1 EP3749562 A1 EP 3749562A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixer
- air
- input
- mil
- bll
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 20
- 230000007704 transition Effects 0.000 claims abstract description 18
- 230000001143 conditioned effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
Definitions
- the invention relates to a mixer and an arrangement for the air conditioning of a rail vehicle.
- FIG 5 A typical scheme of a known air conditioning of a rail vehicle and a mixer used therein is shown in FIG 5.
- a mixer M is supplied via a first input fresh air FL and a second input recirculated air UL.
- the order air UL originates from an interior IR of rail vehicles and is supplied to the mixer M by means of a channel system KS2.
- the fresh air FL is obtained from the outer environment of the rail vehicle and also the mixer M leads supplied.
- the mixer M By means of the mixer M, the circulated air UL supplied is mixed with the fresh air FL to be guided and from this a so-called supply air ZL is generated.
- the supply air ZL is fed via an outlet of the mixer M to an air conditioner KLG and to the air conditioner KLG downstream supply fan ZUL.
- the supplied supply air ZL is conditioned or regulated in its temperature.
- the downstream supply fan ZUL air conditioned supply air ZL is supplied via a channel system KS1 the interior IR of the rail vehicle.
- the capacity of the supply fan ZUL may be overstrained, so that its maintenance requirement increases or so that its service life drops.
- FIG. 6 shows an improved, known scheme of the air conditioning shown in FIG.
- the mixer M is preceded by an additional circulation fan UML with Um Kunststoffansaugung, so that pressure losses on the air side over the powerful taking place, additional
- Lüf ter fan, fan
- the arrangement according to the invention addresses as a core piece a mixer for use in an air-conditioning arrangement of a rail vehicle.
- the mixer has a first input, a second input, an output, and a middle region disposed between the two inputs and the output.
- the first input is connected to a fresh air supply, so that fresh air passes through the first input in the middle area.
- the second entrance is with a
- Circulation air supply connected so that circulating air passes through the second input in the middle region.
- supply air is generated from the circulating air supplied and from the fresh air supplied by mixing, which reaches the outlet of the mixer.
- the middle region of the mixer is connected via an opening to the first input.
- the opening forms a transitional area between the entrance and the central area, so that the supplied fresh air is guided from the first input via the transition area to the central area.
- the transition region includes a profile with a Tragtlächen-shaped cross-section.
- the profile is arranged in the transition region such that the supplied
- the present invention is based on an efficient and redesigned introduction of fresh air into the mixer.
- the incoming fresh air is led into the mixer via a profile with wing cross-section, so that a Coanda effect is created along the profile.
- coanda effect refers to the tendency of a gas flow to run along a convex surface of the airfoil-shaped profile (instead of detaching from it) and to accelerate in an original flow direction.
- Recirculation is formed on the air side of the Mi shear an underpressure, through which the circulating air then is increasingly sucked into the interior of the mixer (so it is an injector principle used advantageously).
- the first input of the mixer is preceded by a fresh ventilator.
- the freshener sucks fresh air, pressurizes it, and supplies the pressurized fresh air to the mixer via the first inlet of the mixer.
- the negative pressure formed on the circulating air side is additionally reinforced.
- the fresh ventilator is designed as a side channel compressor.
- a side channel compressor has a high pressure gain and thus a steep characteristic at a low volume flow.
- the inventive arrangement the fresh air ae rodynamically efficiently introduced into the mixer.
- the mixer is a cost-effective and low-effort
- the present invention brings benefits in the overall effect degree of the air conditioning arrangement, since in sum less elekt rical power is required for their operation.
- the present invention brings advantages in the required
- the present invention also brings advantages in the Akus technology, since the mixer according to the invention has no moving and thus noise-causing components.
- the present invention uses a fresh ventilator to supply fresh air at an elevated pressure to the mixer on the input side. This helps to promote recirculation in the mixer. The circulating air is thereby increasingly sucked in by the mixer.
- FIG. 1 shows a detail of the mixer according to the invention
- the mixer Mil has a first input Eil, a second input E12 and an output All. Further, the Mi shear Mil on a cylindrical central area Bll.
- the mixer Mil is supplied via the first input Eil fresh air FL and the second input E12 circulating air UL.
- the fresh air FL is mixed with the circulating air UL and from a supply air ZL genes gene.
- the first input Eil is formed as a tube which is radially angeord net on an outer side of the mixer AS11 AS11 and the mixer opens correspondingly radially circumferentially in the direction of the central region Bll into the interior of the mixer Mil.
- This opening OF11 thus forms a circumferential transition area UB11, which is arranged between the input Eil and the cylinder-shaped central area Bll.
- the circumferential transition region UB11 includes a profile PR11 having a wing-shaped cross-section, which will be described in more detail below.
- FIG 2 shows a detail of the erfindungsge MAESSEN mixer Mil in a sectional view with reference to FIG.
- the wing-shaped cross-section of the profile PR11 has a concave, i.e. in the direction of the supplied fresh air FL or in the direction of the first input Eil. domed, OB11 surface on.
- the wing-shaped cross-section of the profile PR11 has in the direction of the supplied circulating air UL or in the direction of the cylinder-shaped middle area Bll a convex, ie outwardly curved, surface OB12.
- the outwardly curved surface OB12 of the profile PR11 is disposed opposite to the opening OF11 and has to this egg nen (small) air gap LS11 as a distance.
- the transition region UB11 thus has the functionality of an injector:
- the supplied fresh air FL effected along the Kochgangsbe range UB11 a negative pressure, via which the circulating air UL ver strengthens in the mixer Mil or in the middle region Bll is sucked.
- FIG. 3 shows, with reference to FIG. 1 and FIG. 2, an advantageous extension of the mixer Mil according to the invention.
- the first input Eil of the mixer Mil is preceded by a fresh fan FRL.
- the fresh air blower sucks fresh air FL, pressurizes it with a pressure, and supplies the pressurized fresh air FL via the first input E1 of the mixer Mil to the mixer Mil.
- the fresh ventilator FRL is designed in particular as Sokanalverdich ter.
- a side channel compressor has a high pressure gain and thus a steep characteristic at a low volume flow.
- This side channel blower easily overcomes Druckver losses and fresh air FL efficiently into the mixer Mil, to support its recirculation air intake in addition.
- the mixer Mil is supplied via a first input fresh air FL and a second input recirculated air UL.
- air UL originates from an interior space IR of the rail vehicle and is supplied to the mixer Mil with the aid of a channel system KS2.
- the fresh air FL is obtained from the outer environment of the rail vehicle and also supplied to the mixer Mil.
- the supplied recirculated air UL is mixed with the supplied fresh air FL and from this a so-called supply air ZL is generated.
- the supply air ZL is supplied via an outlet of the mixer Mil to an air conditioner KLG and a KLF downstream of the air conditioner supply fan ZUL.
- the supplied supply air ZL is conditioned or regulated in its temperature.
- the downstream supply fan ZUL air conditioned supply air ZL is supplied via a channel system KS1 the interior IR of the rail vehicle.
- a part of the conditioned air comes back on the initially described channel system KS2 as recirculating air UL from the interior IR of the rail vehicle to the mixer M.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018203986 | 2018-03-15 | ||
PCT/EP2019/053724 WO2019174848A1 (de) | 2018-03-15 | 2019-02-14 | Mischer sowie anordnung zur klimatisierung eines schienenfahrzeugs |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3749562A1 true EP3749562A1 (de) | 2020-12-16 |
EP3749562B1 EP3749562B1 (de) | 2022-03-30 |
Family
ID=65529656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19707297.8A Active EP3749562B1 (de) | 2018-03-15 | 2019-02-14 | Mischer sowie anordnung zur klimatisierung eines schienenfahrzeugs |
Country Status (6)
Country | Link |
---|---|
US (1) | US11414103B2 (de) |
EP (1) | EP3749562B1 (de) |
CN (1) | CN111867915B (de) |
ES (1) | ES2910408T3 (de) |
RU (1) | RU2742916C1 (de) |
WO (1) | WO2019174848A1 (de) |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB346904A (en) | 1930-02-17 | 1931-04-23 | Arthur Harvey | Improvements relating to ventilators for railway carriages, omnibuses and other like vehicles |
US2304151A (en) | 1939-03-13 | 1942-12-08 | Robert B P Crawford | Air conditioning system |
US2661676A (en) * | 1948-01-21 | 1953-12-08 | Farr Co | Apparatus for maintaining predetermined atmospheric conditions in compartments |
US3343473A (en) | 1965-09-07 | 1967-09-26 | Vapor Corp | Air distribution system |
US3434300A (en) * | 1967-10-27 | 1969-03-25 | Budd Co | Air conditioning vaporizer |
DE2405890A1 (de) * | 1974-02-07 | 1975-08-14 | Siemens Ag | Seitenkanal-ringverdichter |
DE2610108A1 (de) * | 1976-03-11 | 1977-09-22 | Messerschmitt Boelkow Blohm | Lueftungsanlage fuer eisenbahnfahrzeuge |
DE19847504C1 (de) * | 1998-10-15 | 2000-11-16 | Deutsche Bahn Ag | Verfahren zur Steuerung der Luftvolumenströme in einer raumlufttechnischen Anlage |
CN100473450C (zh) * | 2005-04-28 | 2009-04-01 | 株式会社日立高新技术 | 流体混合装置 |
DE102006017004B3 (de) * | 2006-04-11 | 2007-10-25 | Airbus Deutschland Gmbh | Vorrichtung zur Vermischung von Frischluft und Heizluft sowie Verwendung derselben in einem Belüftungssystem eines Flugzeuges |
JP5127922B2 (ja) * | 2008-05-30 | 2013-01-23 | 三菱電機株式会社 | 車両用空調システム |
DE102011076456A1 (de) * | 2011-05-25 | 2012-11-29 | Siemens Aktiengesellschaft | Vorrichtung zum Mischen eines ersten und eines zweiten Medienstroms eines Strömungsmediums |
DE102012216045B4 (de) * | 2012-09-11 | 2015-09-03 | Konvekta Ag | Klimaanlage zum Kühlen und/oder Heizen eines umschlossenen Raums |
CN105143557B (zh) * | 2013-04-22 | 2018-06-12 | 胡斯华纳有限公司 | 真空连接件、真空设备及将鼓风机转换为真空设备的用途 |
AT514377B1 (de) * | 2013-05-16 | 2018-06-15 | Siemens Ag Oesterreich | Luftauslaß |
EP2878466B1 (de) * | 2013-11-28 | 2018-04-11 | Mahle Behr France Rouffach S.A.S | Klimatisierungsanlage für ein Fahrzeug |
DE102014105896B4 (de) * | 2014-04-28 | 2023-03-30 | Valeo Klimasysteme Gmbh | Ansaugeinrichtung einer Fahrzeugklimaanlage |
DE102015113785B4 (de) * | 2015-08-20 | 2018-11-29 | Halla Visteon Climate Control Corporation | Kühlluftschnittstelle in einem Gebläsegehäuse |
DE102015217245A1 (de) * | 2015-09-09 | 2017-03-09 | Mahle International Gmbh | Luftführungsgehäuse und eine Belüftungs-, Heizungs- oder Klimaanlage mit einem solchen Luftführungsgehäuse |
RU160323U1 (ru) * | 2015-10-28 | 2016-03-10 | Николай Джемалович Кикнадзе | Устройство кондиционирования воздуха для железнодорожного вагона |
DE102016107227A1 (de) * | 2016-04-19 | 2017-10-19 | Dr. Schneider Kunststoffwerke Gmbh | Luftausströmer mit einer Einrichtung zum Steuern eines Luftstroms |
US10807726B2 (en) * | 2017-03-20 | 2020-10-20 | Goodrich Corporation | Evacuation assembly aspirator |
-
2019
- 2019-02-14 EP EP19707297.8A patent/EP3749562B1/de active Active
- 2019-02-14 CN CN201980019103.3A patent/CN111867915B/zh active Active
- 2019-02-14 ES ES19707297T patent/ES2910408T3/es active Active
- 2019-02-14 US US16/980,925 patent/US11414103B2/en active Active
- 2019-02-14 RU RU2020126097A patent/RU2742916C1/ru active
- 2019-02-14 WO PCT/EP2019/053724 patent/WO2019174848A1/de active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
US20200406939A1 (en) | 2020-12-31 |
CN111867915B (zh) | 2023-01-20 |
WO2019174848A1 (de) | 2019-09-19 |
US11414103B2 (en) | 2022-08-16 |
RU2742916C1 (ru) | 2021-02-11 |
CN111867915A (zh) | 2020-10-30 |
EP3749562B1 (de) | 2022-03-30 |
ES2910408T3 (es) | 2022-05-12 |
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