EP1260778A1 - Skihalle - Google Patents
Skihalle Download PDFInfo
- Publication number
- EP1260778A1 EP1260778A1 EP02002669A EP02002669A EP1260778A1 EP 1260778 A1 EP1260778 A1 EP 1260778A1 EP 02002669 A EP02002669 A EP 02002669A EP 02002669 A EP02002669 A EP 02002669A EP 1260778 A1 EP1260778 A1 EP 1260778A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- ski
- snow
- cooling
- hall according
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C3/00—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow
- F25C3/04—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow for sledging or ski trails; Producing artificial snow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2303/00—Special arrangements or features for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Special arrangements or features for producing artificial snow
- F25C2303/044—Snow making using additional features, e.g. additives, liquid gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/005—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces in cold rooms
Definitions
- the present invention relates to a ski hall with a sloping floor area to be covered with snow, which has a Ski slope forms, with several snow producers, along the ski slope are arranged at a distance from one another snow on the ski slope and with several air coolers, to cool the air in the ski hall.
- ski halls In recent years, especially in Holland and Belgium a number of ski halls have been built there enable winter sports even in these lowland regions such as skiing, snowboarding etc. to operate.
- a ski hall is basically an oversized cold store, whose bottom surface is designed as a ski slope and through Snow cannons are covered with snow.
- the efforts go there, an equally good one
- the object of the invention is therefore a ski hall type mentioned so that the Length of runway is essentially the same Snow quality is achieved.
- the Air coolers have separate control loops, each with a temperature sensor are assigned and the air cooler performance in each case depending on the one desired on the air cooler Air temperature is regulated.
- the temperature conditions in the ski hall in particular Optimally set during snow making times with the success that the quality of the manufactured Snow throughout the hall is good.
- the air temperature clearly over the length of the ski slope fluctuates with the result that it is too difficult to control and therefore unwanted air circulation comes which essential cause of the problems in snow making are.
- this air circulation can be prevented.
- the control loops the air cooler regulates the cooler outputs in such a way that the same at the temperature measuring points, sets essentially freely definable temperature.
- each snow producer assigned an air cooler is. This ensures that the same at least at the snow production points Conditions for snow production exist. there the snow production points should not be too far apart lie. It has proven to be sufficient if the Air coolers and / or snow producers at intervals of approximately 25 to 50 m along the ski slope are provided.
- means are also provided for fresh air before entering the ski hall through heat exchange and / or mixing with cold air, which is discharged from the ski hall and then by means of cooling units to a desired inlet temperature to cool.
- cold air which is discharged from the ski hall and then by means of cooling units to a desired inlet temperature to cool.
- This ski hall has one rectangular base and includes an outer skin 1 with Side walls and a roof and a floor area 2, the an essentially closed and thermally insulated Form space. In particular, is on the bottom surface 2 thermal insulation is provided.
- cooling pipes 5 are laid along the bottom surface, which via connecting lines 4a, 4b and a pump 5 a cooling device 3 are connected and via this for cooling a layer of snow lying on the bottom surface 2 S with a coolant such as glycol be supplied.
- a cooling device 3 are connected and via this for cooling a layer of snow lying on the bottom surface 2 S with a coolant such as glycol be supplied.
- a cooling section formed, which according to Art a parallel connection to the connecting lines 4a, 4b are connected and a valve on the inlet side 6, via which the amount of coolant flowing through and thus regulates the cooling capacity in the cooling section can be.
- Each cooling section is a control loop assigned over which the cooling capacity depending from the snow temperature by a temperature sensor is recorded, is regulated.
- cooling tubes 5 meandering between the two long sides of the bottom surface 2, i.e. their main orientation is transverse to the longitudinal direction of the slopes.
- the cooling tubes can of course also run in the longitudinal direction of the ski slope, the Cooling tubes can then be controlled individually or in groups can.
- Cooling tubes 5 above the bottom surface 2 in the snow layer S relocated. This makes them susceptible to damage for example by a snow groomer, which groomed the ski slope.
- protective elements 9, 10 intended. Firstly, extend between the cooling tubes 5, i.e. transverse to the longitudinal direction of the slopes, protective strips 9 with a trapezoidal shape that tapers towards the top Cross section anchored to the bottom surface 2 are and protrude above the cooling tubes 5. The distance between the protective strips 9 is between 20 and 40 cm, causing damage to the pipes practically excluded by a snow cat running over it are.
- Protective webs 10 are provided, which in the longitudinal direction of the slopes run and each between two neighboring Protective strips 9 extend. Like especially the figures 3 and 4 clearly show, are the protective webs 10 their end faces on the flanks of the protective strips 9 and are anchored to the hall floor, screwed here. Point to their underside facing the bottom surface 2 the protective webs 10 recesses 11 for the cooling tubes 5 on, so that the cooling tubes 5 through the protective webs 10 the bottom surface 2 are positioned and also fixed.
- ski hall 1 Snow generator 7 in the form of snow cannons and air coolers 8 provided for cooling the hall air.
- the Snow generator 7 and the air cooler 8 are in one Metal structure 12 below the hall roof along the Ski slope at regular intervals of around 25 to 50 m attached to each other, each with a snow gun 7 and an air cooler 8 form a functional unit and are coupled in such a way that when commissioning a snow generator 7, the associated air cooler 8 runs at maximum performance. Otherwise everyone is Air cooler 8 a control loop with a temperature sensor assigned the cooler performance depending on the air temperature in the immediate vicinity of the Air cooler 8 regulates. In this way, the profile of the Air temperature in the ski hall in a desired manner can be set.
- the setting is expediently carried out in such a way that at all five the temperature measuring points, i.e. over the entire length of the ski hall, sets the same temperature. This can difficult to control air circulation in the hall, which are due to temperature differences, largely be prevented.
- the air inside the ski hall 1 is on the one hand from the bottom over the snow layer S and on the other hand via the air cooler from the ceiling side cooled.
- the snow layer S through the cooling pipes 5 cooled down to a desired temperature be available to the required cooling energy to deliver.
- By cooling over the snow layer S is achieved that along the entire floor area essentially sets a uniform temperature. If the snow temperature is below the air temperature is the additional effect that the in moisture in the air on the snow surface condensed. Conversely, moisture sublimes from the snow to the air when the snow temperature is above the air temperature.
- cooling takes place by the air in the Ski hall is cooled via the air cooler 8, namely especially during snow production.
- the control loops the air cooler 8 are set so that over the entire length of the ski slope in the upper hall area sets the same temperature. In this way become undesirable air circulation due to temperature differences avoided and on inside the hall each snow producer 7 equal conditions for that Snow creation created. This leads to an even good snow quality over the entire length of the ski slopes.
- cooling takes place in the fresh air pre-cooled by cold exhaust air (heat exchange or mixing) and through the cooling units to the desired one Is brought into the hall becomes.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Road Paving Structures (AREA)
- Photoreceptors In Electrophotography (AREA)
- Dry Shavers And Clippers (AREA)
- Gyroscopes (AREA)
Abstract
Description
- Figur 1
- in schematischer Darstellung eine Skihalle gemäß der vorliegenden Erfindung in Seitenansicht,
- Figur 2
- die Skipiste der Skihalle mit deren Kühlsystem in Draufsicht,
- Figur 3
- einen Ausschnitt der Skipiste in geschnittener Seitenansicht, und
- Figur 4
- den Ausschnitt aus Figur 3 in Draufsicht.
Claims (10)
- Skihalle mit einer geneigten, zu beschneienden Bodenfläche (2), welche eine Skipiste bildet, mit mehreren Schnee-Erzeugern (7), die längs der Skipiste mit Abstand zueinander angeordnet sind, um die Skipiste zu beschneien, und mit mehreren Luftkühlern (8), um die Luft in der Skihalle zu kühlen, dadurch gekennzeichnet, daß den Luftkühlern (8) getrennte Regelkreise mit jeweils einem Temperatursensor zugeordnet sind und die Luftkühlerleistung jeweils in Abhängigkeit von der am Luftkühler (8) gewünschten Lufttemperatur geregelt wird.
- Skihalle nach Anspruch 1, dadurch gekennzeichnet, daß die Regelkreise der Luftkühler (8) die Kühlerleistungen in der Weise regeln, daß sich an den Temperaturmeßpunkten jeweils die gleiche Temperatur einstellt.
- Skihalle nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß jeder Luftkühler (8) mehrere Gebläse aufweist und die Kühlleistung durch das Zu- oder Abschalten der Gebläse reguliert wird.
- Skihalle nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß jedem Schnee-Erzeuger (7) ein Luftkühler (8) zugeordnet ist.
- Skihalle nach Anspruch 4, dadurch gekennzeichnet, daß die Luftkühler (8) und die zugehörigen Schnee-Erzeuger (7) jeweils in der Weise gekoppelt sind, daß bei Inbetriebnahme eines Schnee-Erzeugers (7) der zugehörige Luftkühler (8) auf maximaler Leistung läuft.
- Skihalle nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Luftkühler (8) und/oder Schnee-Erzeuger (7) in gleichmäßigen Abständen von vorzugsweise 25 bis 50 m entlang der Skipiste angeordnet sind.
- Skihalle nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Luftkühler (8) jeweils eine Entfrostungsautomatik aufweisen.
- Skihalle nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß wenigstens ein Kühlaggregat zur Kühlung von Frischluft vorgesehen ist.
- Skihalle nach Anspruch 8, dadurch gekennzeichnet, daß Mittel vorgesehen sind, um die Frischluft vor ihrem Eintritt in die Kühlaggregate durch Wärmetausch und/oder Vermischung mit Kaltluft, welche aus der Skihalle abgeführt wird, vorzukühlen.
- Skihalle nach einem der vorherige Ansprüche, dadurch gekennzeichnet, daß die zugeführte Frischluft in den Kühlaggregaten durch Wärmetausch mit Glykol oder einem Glykol-Wasser-Gemisch eines Kühlkreislaufes gekühlt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10125495 | 2001-05-23 | ||
DE10125495A DE10125495B4 (de) | 2001-05-23 | 2001-05-23 | Skihalle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1260778A1 true EP1260778A1 (de) | 2002-11-27 |
EP1260778B1 EP1260778B1 (de) | 2004-12-29 |
Family
ID=7686095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02002669A Expired - Lifetime EP1260778B1 (de) | 2001-05-23 | 2002-02-06 | Skihalle |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1260778B1 (de) |
AT (1) | ATE286232T1 (de) |
DE (2) | DE10125495B4 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004010093B3 (de) * | 2004-02-27 | 2005-05-12 | Innovag AG Aktiengesellschaft für innovative Industrietechnik | Beschneiungsanlage für Indoor-Schneesportanlagen mit einer Halle |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4730461A (en) * | 1987-06-05 | 1988-03-15 | Milton Meckler | Multi-zone cold storage variable air volume air conditioning system |
EP0378636A1 (de) | 1988-06-22 | 1990-07-25 | CLULOW, Malcolm George | Schnee-erzeugungseinrichtung |
WO1990010180A1 (en) * | 1989-02-22 | 1990-09-07 | Vadelas Pty. Limited | Improved zonal control of air conditioning system |
US5327738A (en) * | 1991-04-11 | 1994-07-12 | Taikisha Ltd. | Method of forming and maintaining artificial snow layer |
JPH0755307A (ja) * | 1993-08-09 | 1995-03-03 | Nkk Corp | 屋内人工スキー場における造雪方法 |
JP2000130817A (ja) * | 1998-10-27 | 2000-05-12 | Nkk Corp | 屋内降雪型施設の空気冷却方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0730984B2 (ja) * | 1988-09-30 | 1995-04-10 | 日本鋼管株式会社 | 室内スキー場における造雪方法 |
-
2001
- 2001-05-23 DE DE10125495A patent/DE10125495B4/de not_active Expired - Fee Related
-
2002
- 2002-02-06 AT AT02002669T patent/ATE286232T1/de not_active IP Right Cessation
- 2002-02-06 DE DE50201871T patent/DE50201871D1/de not_active Expired - Fee Related
- 2002-02-06 EP EP02002669A patent/EP1260778B1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4730461A (en) * | 1987-06-05 | 1988-03-15 | Milton Meckler | Multi-zone cold storage variable air volume air conditioning system |
EP0378636A1 (de) | 1988-06-22 | 1990-07-25 | CLULOW, Malcolm George | Schnee-erzeugungseinrichtung |
WO1990010180A1 (en) * | 1989-02-22 | 1990-09-07 | Vadelas Pty. Limited | Improved zonal control of air conditioning system |
US5327738A (en) * | 1991-04-11 | 1994-07-12 | Taikisha Ltd. | Method of forming and maintaining artificial snow layer |
JPH0755307A (ja) * | 1993-08-09 | 1995-03-03 | Nkk Corp | 屋内人工スキー場における造雪方法 |
JP2000130817A (ja) * | 1998-10-27 | 2000-05-12 | Nkk Corp | 屋内降雪型施設の空気冷却方法 |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 06 31 July 1995 (1995-07-31) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 08 6 October 2000 (2000-10-06) * |
Also Published As
Publication number | Publication date |
---|---|
ATE286232T1 (de) | 2005-01-15 |
DE10125495B4 (de) | 2005-11-24 |
DE10125495A1 (de) | 2003-01-16 |
DE50201871D1 (de) | 2005-02-03 |
EP1260778B1 (de) | 2004-12-29 |
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