FI91994B - Air inlet device - Google Patents
Air inlet device Download PDFInfo
- Publication number
- FI91994B FI91994B FI923411A FI923411A FI91994B FI 91994 B FI91994 B FI 91994B FI 923411 A FI923411 A FI 923411A FI 923411 A FI923411 A FI 923411A FI 91994 B FI91994 B FI 91994B
- Authority
- FI
- Finland
- Prior art keywords
- supply air
- housing
- air pipe
- jacket wall
- air housing
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fire-Detection Mechanisms (AREA)
- Duct Arrangements (AREA)
- Compressor (AREA)
Description
9199491994
Tuloilmaelin - Tilluftsdon Tämän keksinnön kohteena on tuloilmaelin, joka muodostuu 5 tuloilmakotelosta, jonka vaippaseinämä on osittain tai kokonaan rei'itetty ja jonka tuloilmaputki on liitetty tuloilma-kanavaan, ja jonka yleisin sijoituspaikka on huonetilan katto.The present invention relates to a supply air element consisting of 5 supply air housings, the jacket wall of which is partially or completely perforated and the supply air pipe of which is connected to the supply air duct, the most common location of which is the ceiling of the room.
10 Epäkohtana tämän tapaisilla tunnetuilla tuloilmaelimillä on se, että sisään tuleva alilämpöinen ilma purkautuu tuloilma-elimestä alaspäin. Mikäli sisään tulevan ilman ja huonetilassa olevan ilman lämpötilaero on esimerkiksi noin 10°C, tuntuu vetoa. Keksinnön tarkoituksena on poistaa edellä esi-15 tetty epäkohta. Keksinnön mukaiselle tuloilmaelimelle on tunnusomaista se, että tuloilmaputken pää, joka avautuu tu-loilmakoteloon alaspäin, ulottuu tuloilmakotelon rei'ittä-mättömän päädyn läheisyyteen, jolloin huonetilaan tuleva ilma suuntautuu ylöspäin. Keksinnön mukaisella tuloilmaeli-20 mellä saadaan aikaan suuri painehäviö, lyhyt heittopituus, alilämpöisen ilman vedoton sisäänpuhallus ja alhainen ääni-taso yksinkertaisella ja varmatoimisella rakenteella. Tuloilmaelin voidaan suunnitella ja rakentaa myös siten, että se toimii paloteknisenä kuristimena, kun vaippaseinämässä 25 olevien reikien lukumäärä rajoitetaan sopivaksi. Paloteknisen kuristimen suurin sallittu ilmavirta on 42 dm3/s 100 Pa:n paine-erolla. Itse tuloilmaelin voi olla mitoitettu 5-400 dm3/s.A disadvantage of such known supply air elements is that the incoming low-temperature air is discharged downwards from the supply air element. If the temperature difference between the incoming air and the air in the room is, for example, about 10 ° C, a pull is felt. The object of the invention is to eliminate the above-mentioned drawback. The supply air element according to the invention is characterized in that the end of the supply air pipe, which opens downwards into the supply air housing, extends in the vicinity of the non-perforated end of the supply air housing, whereby the air entering the room space is directed upwards. The supply air element 20 according to the invention provides a high pressure drop, a short throw length, a draft-free supply of low-temperature air and a low sound level with a simple and reliable structure. The supply air member can also be designed and constructed to act as a fire choke when the number of holes in the jacket wall 25 is limited to suit. The maximum permissible air flow of the fire choke is 42 dm3 / s with a pressure difference of 100 Pa. The supply air element itself can be dimensioned 5-400 dm3 / s.
30 Keksinnön eräälle sovellutusmuodolle on tunnusomaista se, että tuloilmaputki ulottuu koaksiaalisesti tuloilmakotelon vaippaseinämässä olevan rei'ityksen ohi. Näin ollen saadaan kaikki huonetilaan tuleva ilma suunnattua ylöspäin.An embodiment of the invention is characterized in that the supply air pipe extends coaxially past the perforation in the jacket wall of the supply air housing. Thus, all the air entering the room is directed upwards.
35 Keksinnön eräälle toiselle sovellutusmuodolle on tunnusomaista se, että tuloilmakotelon toinen pääty, jonka läpi tuloilmaputki kulkeutuu, on varustettu sinänsä tunnetulla • paineenmittauskammiolla. Näin ollen saadaan hyvin tarkka 91994 2 ilmavirran mittaus ilmavirran määrittämiseksi, kun paineen-mittauskammioon yhdistetään paine-eromittari.Another embodiment of the invention is characterized in that the other end of the supply air housing, through which the supply air pipe passes, is provided with a pressure measuring chamber known per se. Thus, a very accurate 91994 2 airflow measurement is obtained to determine the airflow when a differential pressure gauge is connected to the pressure-measuring chamber.
Keksintöä selostetaan seuraavassa esimerkin avulla viittaa-5 maila oheiseen piirustukseen, joka esittää keksinnön mukaista tuloilmaelintä halki leikattuna.The invention will now be described, by way of example, with reference to the accompanying drawing, which is a cross-sectional view of a supply air element according to the invention.
Tuloilmaelin muodostuu tuloilmakotelosta l, jonka vaippasei-nämä 2 on rei'itetty. Tuloilmaelimen tuloilmaputki 3 on lii-10 tetty tuloilmakanavaan 4. Tuloilmaputken pää 5, joka avautuu tuloilmakoteloon 1, ulottuu tuloilmakotelon rei'ittämättömän päädyn 6 läheisyyteen. Kuten kuviosta käy ilmi, ulottuu tuloilmaputki 3 koaksiaalisesti tuloilmakotelon vaippaseinä-mässä 2 olevan rei'ityksen ohi. Tuloilmakotelon 1 toisessa 15 päädyssä 7 on sinänsä tunnettu paineenmittauskammio 8. Pai-neenmittauskammioon liitetään paine-eromittari 9, kun suoritetaan paine-eromittaus.The supply air element consists of a supply air housing 1, the jacket walls 2 of which are perforated. The supply air pipe 3 of the supply air element is connected to the supply air duct 4. The end 5 of the supply air pipe, which opens into the supply air housing 1, extends in the vicinity of the non-perforated end 6 of the supply air housing. As can be seen from the figure, the supply air pipe 3 extends coaxially past the perforation in the jacket wall 2 of the supply air housing. At the other end 7 of the supply air housing 1 there is a pressure measuring chamber 8 known per se. A differential pressure gauge 9 is connected to the pressure measuring chamber when performing a differential pressure measurement.
Tuloilmaelimen yleisin sijoituspaikka on huonetilan katto, 20 mutta se voidaan luonnollisesti myös sijoittaa huonetilan seinämään. On myös itsestään selvää, että tuloilmaelin sopii käytettäväksi poistoilmalaitteena. Ilmavirtaus on näin ollen vain päinvastainen kuin esimerkissä on esitetty.The most common location for the supply air element is the ceiling of the room, 20 but it can of course also be placed on the wall of the room. It is also self-evident that the supply air element is suitable for use as an exhaust air device. The air flow is thus only the opposite of that shown in the example.
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Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI923411A FI91994C (en) | 1992-07-28 | 1992-07-28 | Supply air |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI923411A FI91994C (en) | 1992-07-28 | 1992-07-28 | Supply air |
FI923411 | 1992-07-28 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI923411A0 FI923411A0 (en) | 1992-07-28 |
FI923411A FI923411A (en) | 1994-01-29 |
FI91994B true FI91994B (en) | 1994-05-31 |
FI91994C FI91994C (en) | 1994-09-12 |
Family
ID=8535657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI923411A FI91994C (en) | 1992-07-28 | 1992-07-28 | Supply air |
Country Status (1)
Country | Link |
---|---|
FI (1) | FI91994C (en) |
-
1992
- 1992-07-28 FI FI923411A patent/FI91994C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI91994C (en) | 1994-09-12 |
FI923411A0 (en) | 1992-07-28 |
FI923411A (en) | 1994-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: SANHEM KONSULTIT OY |
|
BB | Publication of examined application | ||
MA | Patent expired |