EP1318358A2 - Strömungsmengenregler - Google Patents
Strömungsmengenregler Download PDFInfo
- Publication number
- EP1318358A2 EP1318358A2 EP02026211A EP02026211A EP1318358A2 EP 1318358 A2 EP1318358 A2 EP 1318358A2 EP 02026211 A EP02026211 A EP 02026211A EP 02026211 A EP02026211 A EP 02026211A EP 1318358 A2 EP1318358 A2 EP 1318358A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- flow rate
- flap
- spring element
- rod
- 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
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/146—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with springs
Definitions
- the invention relates to a flow rate regulator for an air line of an air conditioning system, in which in a housing a flap is mounted on an axis arranged near the cross-sectional central axis, which is angled near the axis, with her one leg in the open position substantially parallel to the line axis in the flow direction to the rear and her other leg in the closed position substantially perpendicular to the line axis is aligned, and a spring element supported on a rod passing through the housing wall acts on a lever arm attached to the flap in such a way that the force application point describes a circular arc on rotation of the flap from the open position into the closed position, which is inclined at the beginning to the spring force direction than at the end, and the rod is adjustable by means of a device arranged on the outside of the housing wall and thus allows a desired biasing of the spring element to be set corresponding to a specific amount of flow to be regulated.
- Such a flow regulator is known by use and from the DE 23 33 694, DE 24 48 271, DE 26 18 037, DE 27 58 352, DE 28 23 735, DE 28 35 052 and DE 33 32 529.
- the invention is based on the object, the flow rate regulator mentioned above more functionally accurate and / or usable to an expanded extent do.
- the spring element by a Formed a plurality of juxtaposed coil springs of different characteristics is.
- the holder of the spring element on the rod should include a joint part, so that a clean, not superimposed by bending forces, spring removal comes about.
- the hinge part consists of a hinged to the rod sleeve into which a coupling piece is screwed with a spring coils adapted external thread on which the end of the coil spring is screwed, or which has a spring coils adapted internal thread into which the end of the coil spring is screwed in immediately.
- the flow rate regulator consists essentially of one in a housing. 1 arranged flap 2, which by spring force in a flow cross-section more or less occlusive position is held.
- the housing 1 is composed of two flat housing walls 4 and two double flat folded housing walls 5 together. All housing walls 4 and 5 are angled at the input and the output of the flow rate controller to a circumferential flange 6. With the two flanges of the flow regulator is inserted into an air duct of the same rectangular cross-section.
- the bent housing walls are each divided into a shorter oblique section 7, a parallel to the axis of the flow amount controller section 8 and a longer oblique section. 9
- the flap 2 is mounted on the housing walls 4.
- She has an angular shape Cross-section. In the angle is its axis 15, which pierces the housing walls 4 and in mounted on the outside of the housing walls 4 bearings 16 ends.
- a spring element 41 is mounted in each case, which has a holder as follows: On the one housing wall 5 sits a nozzle 23 and on this a transparent plastic sleeve 25. In the plastic sleeve 25 protrudes one end of a rod 28, whose position with respect to the housing wall 5, further or less far pulled out, arranged in the sleeve means can be fixed.
- the hinge part 33 has the shape of a sleeve (incompletely shown in FIG. 1).
- the rod 28 projects just into one half of the sleeve and is connected by a transverse pin 34 hinged to her.
- a coupling piece 35 is screwed into the sleeve, which protrudes approximately halfway and is provided with an external thread 36 adapted to the spring element 41, so that the end of the spring element 41 could be screwed onto it.
- the coupling piece 35 is shown in Fig. 6 on a larger scale alone.
- the transparent plastic sleeves 25 are provided with a, drawn out in Fig. 2, Scale provided on the basis of which the desired remedyregelnde flow rate by appropriate adjustment of the cross member 29 and thus bias the Spring elements 41 can be adjusted.
- pneumatic vibration dampers 38 are hinged at 39, on the other hand are hinged at 40 to the flap 2.
- Fig. 3 shows the construction of the spring element 41 in a larger scale and with a easier mounting:
- the spring element 41 is composed of two tension springs 42 and 43 of different spring characteristic. This purpose is again served by the coupling piece already described, shown in FIG. 5, onto which the two spring ends are screwed together until abutment (in FIGS. 3 and 4 below).
- Figs. 1 and 2 show the hooked to the button, weaker tension springs 42 pulled out more strongly than the other two, attached to the holder of the spring element 41 tension springs 43rd
- The, designated by 44, spring element of FIG. 4 is compared to the spring element 41 supplemented by a tie rod 45.
- the tie rod 45 consists of a bore 46 in the coupling piece 35 slidably passing and held at the other end of the weaker tension spring 42 cap screw. The head screw is held in place by screwing it into a part 47 which is in principle the same as the coupling piece 35. If the spring element 44 is pulled out until the screw head 48 abuts against the coupling piece 35, the stronger tension spring 43 alone is subsequently effective and the spring characteristic curve steeper. In practice, however, instead of a Knicks results in a whole curved spring characteristic. It could also be the weaker tension spring 42 is arranged in connection to the hinge part 33 and the tie rod 45 there screwed into the coupling piece 35.
- Fig. 1 shows the flap 2 in the closed position, i. at the lowest set flow rate and highest form.
- the open position i. the other End position
- the rearward leg 50 of the flap 2 is located on the consoles 37 and the other leg 51 is obliquely forward. Because in every position the flap 2 of the legs 51 is more heavily loaded than the leg 50, the seeks Flow to close the flap 2 against the force of the spring elements 41 and 44, respectively.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Flow Control (AREA)
Abstract
Description
bei dem in einem Gehäuse eine Klappe auf einer nahe der Querschnittsmittelachse angeordneten Achse gelagert ist, die nahe der Achse gewinkelt ist, wobei ihr einer Schenkel in Öffnungsstellung im wesentlichen parallel zur Leitungsachse in Strömungsrichtung nach hinten und ihr anderer Schenkel in Schließstellung im wesentlichen rechtwinklig zur Leitungsachse ausgerichtet ist,
und ein an einer die Gehäusewand durchsetzenden Stange gehaltertes Federelement an einem an der Klappe befestigten Hebelarm derart angreift, dass der Kraftangriffspunkt bei Drehung der Klappe aus der Öffnungsstellung in die Schließstellung einen Kreisbogen beschreibt, der am Anfang schräger zur Federkraftrichtung steht als am Ende,
und die Stange mittels einer außen auf der Gehäusewand angeordneten Einrichtung verstellbar ist und so eine gewünschte, einer bestimmten einzuregelnden Strömungsmenge entsprechende Vorspannung des Federelements einzustellen erlaubt.
Jedenfalls mit dieser Ausgestaltung des Federelements, ggf. aber auch schon ohne den Anschlag, kann der Regelbereich auf kleinere wie auch auf größere Stömungsmengen erweitert werden.
Der genannte Anschlag kann und soll dann in der Weise verwirklicht werden, dass die Feder mit flacherer Kennlinie und das Kupplungsstück von einem Zuganker durchsetzt sind, an dessen Ende ein Kopf angeordnet ist, an dem das auf dem Zuganker verschiebbare Kupplungsstück anstößt.
Vorzugsweise besteht das Gelenkteil aus einer gelenkig an der Stange angebrachten Hülse, in die ein Kupplungsstück mit einem den Federwindungen angepassten Außengewinde eingeschraubt ist, auf das das Ende der Schraubenfeder aufgeschraubt ist, oder die ein den Federwindungen angepasstes Innengewinde aufweist, in das das Ende der Schraubenfeder unmittelbar eingeschraubt ist.
Die abgekanteten Gehäusewände gliedern sich jeweils in einen kürzeren schrägen Abschnitt 7, einen zur Achse des Strömungsmengenreglers parallelen Abschnitt 8 und einen längeren schrägen Abschnitt 9.
Auf der einen Gehäusewand 5 sitzt ein Stutzen 23 und auf diesem eine durchsichtige Kunststoffhülse 25. In die Kunststoffhülse 25 ragt das eine Ende einer Stange 28, deren Stellung in bezug auf die Gehäusewand 5, weiter oder weniger weit herausgezogen, durch in der Hülse angeordnete Einrichtungen fixiert werden kann.
Das Gelenkteil 33 hat die Gestalt einer (in Fig. 1 unvollständig dargestellten) Hülse. Die Stange 28 ragt knapp in die eine Hälfte der Hülse hinein und ist durch einen Querstift 34 gelenkig mit ihr verbunden. In der anderen Hälfte ist ein Kupplungsstück 35 in die Hülse eingeschraubt, das etwa zur Hälfte herausragt und mit einem dem Federelement 41 angepassten Außengewinde 36 versehen ist, so dass das Ende des Federelements 41 daraufgeschraubt werden konnte. Das Kupplungsstück 35 ist in Fig. 6 in größerem Maßstab allein dargestellt.
Fig. 1 und 2 zeigen die an dem Knopf eingehakten, schwächeren Zugfedern 42 stärker ausgezogen als die beiden anderen, an der Halterung des Federelements 41 befestigten Zugfedern 43.
Ist das Federelement 44 ausgezogen bis zum Anschlagen des Schraubenkopfes 48 an dem Kupplungsstück 35, so ist anschließend allein noch die stärkere Zugfeder 43 wirksam und die Federkennlinie steiler. In der Praxis ergibt sich jedoch statt eines Knicks eine im ganzen gekrümmte Federkennlinie.
Es könnte auch die schwächere Zugfeder 42 im Anschluß an das Gelenkteil 33 angeordnet und der Zuganker 45 dort in das Kupplungsstück 35 eingeschraubt sein.
Claims (5)
- Strömungsmengenregler für eine Luftleitung einer Klimaanlage,
bei dem in einem Gehäuse (1) eine Klappe (2) auf einer nahe der Querschnittsmittelachse angeordneten Achse (15) gelagert ist, die nahe der Achse (15) gewinkelt ist, wobei ihr einer Schenkel (50) in Öffnungsstellung im wesentlichen parallel zur Leitungsachse in Strömungsrichtung nach hinten und ihr anderer Schenkel (51) in Schließstellung im wesentlichen rechtwinklig zur Leitungsachse ausgerichtet ist,
und ein an einer die Gehäusewand durchsetzenden Stange (28) gehaltertes Federelement (41;44) an einem an der Klappe (2) befestigten Hebelarm (17) derart angreift, dass der Kraftangriffspunkt bei Drehung der Klappe (2) aus der Öffnungsstellung in die Schließstellung einen Kreisbogen beschreibt, der am Anfang schräger zur Federkraftrichtung steht als am Ende,
und die Stange (28) mittels einer außen auf der Gehäusewand angeordneten Einrichtung verstellbar ist und so eine gewünschte, einer bestimmten einzuregelnden Strömungsmenge entsprechende Vorspannung des Federelements (41;44) einzustellen erlaubt,
dadurch gekennzeichnet, dass das Federelement (41;44) durch eine Mehrzahl aneinandergesetzter Schraubenfedern (42;43) von verschiedener Kennlinie gebildet ist. - Strömungsmengenregler nach Anspruch 1,
dadurch gekennzeichnet, dass die Schraubenfedern (42;43) mittels eines Kupplungsstücks (35) zusammengesetzt sind, das ein den Windungen der Federn angepasstes Außengewinde (36) aufweist und auf das die Enden der Schraubenfedern (42;43) aufgeschraubt sind. - Strömungsmengenregler nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass der Federweg der Schraubenfeder (42) mit flacherer Kennlinie durch einen Anschlag (48) begrenzt ist. - Strömungsmengenregler nach den Ansprüchen 2 und 3,
dadurch gekennzeichnet, dass die Schraubenfeder (42) mit flacherer Kennlinie und das Kupplungsstück (35) von einem Zuganker (45) durchsetzt sind, an dessen Ende ein Kopf (48) als der genannte Anschlag angeordnet ist, an dem das auf dem Zuganker (45) verschiebbare Kupplungsstück (35) anstößt. - Strömungsmengenregler nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass die Halterung des Federelements (41;44) an der Stange (28) ein Gelenkteil (33) umfasst, vorzugsweise eine gelenkig an der Stange angebrachte Hülse, in die ein Kupplungsstück (35) mit einem den Federwindungen angepassten Außengewinde (36) eingeschraubt ist, auf das das Ende der Schraubenfeder (43) aufgeschraubt ist, oder die ein den Federwindungen angepasstes Innengewinde aufweist, in das das Ende der Schraubenfeder unmittelbar eingeschraubt ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20119695 | 2001-12-04 | ||
DE20119695U | 2001-12-04 | ||
DE10204389A DE10204389A1 (de) | 2001-12-04 | 2002-02-04 | Strömungsmengenregler |
DE10204389 | 2002-02-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1318358A2 true EP1318358A2 (de) | 2003-06-11 |
EP1318358A3 EP1318358A3 (de) | 2005-06-08 |
EP1318358B1 EP1318358B1 (de) | 2010-03-17 |
Family
ID=26010998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20020026211 Expired - Lifetime EP1318358B1 (de) | 2001-12-04 | 2002-11-26 | Strömungsmengenregler |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1318358B1 (de) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2333694A1 (de) | 1973-07-03 | 1975-01-23 | Emil Siegwart | Stroemungsregler fuer luftleitungen |
US3955559A (en) | 1974-08-13 | 1976-05-11 | Velta Mikelevna Bramberga | Method of cytological diagnosis of precancer conditions and cancer |
DE2618037A1 (de) | 1976-04-24 | 1977-11-10 | Emil Siegwart | Regler fuer die stroemung eines gasfoermigen mediums in einer leitung |
DE2758352A1 (de) | 1977-12-27 | 1979-07-05 | Emil Siegwart | Regler fuer die stroemung eines gasfoermigen mediums in einer leitung |
DE2823735A1 (de) | 1973-07-03 | 1979-12-06 | Emil Siegwart | Regler fuer die stroemung eines gasfoermigen mediums in einer leitung |
DE2835052A1 (de) | 1978-08-10 | 1980-02-14 | Emil Siegwart | Regler fuer die stroemung eines gasfoermigen mediums in einer leitung |
DE3332529A1 (de) | 1983-09-09 | 1985-03-28 | Emil 6603 Sulzbach Siegwart | Vorrichtung zum veraendern der regelgroesse eines stroemungsmengenreglers einer klimaanlage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3955595A (en) * | 1973-11-15 | 1976-05-11 | Powers Regulator Company | Automatic fluid flow regulator |
EP0627601A1 (de) * | 1993-05-15 | 1994-12-07 | Paul Thurgood | Vorrichtung zur Regelung des Luftdurchflusses |
DK2397A (da) * | 1997-01-09 | 1998-07-10 | Skov As | Staldventilationsanlæg med luftindtagsventiler, henholdsvis sådanne ventiler til sådanne anlæg |
-
2002
- 2002-11-26 EP EP20020026211 patent/EP1318358B1/de not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2333694A1 (de) | 1973-07-03 | 1975-01-23 | Emil Siegwart | Stroemungsregler fuer luftleitungen |
DE2448271A1 (de) | 1973-07-03 | 1976-04-22 | Emil Siegwart | Stroemungsregler fuer leitungen |
DE2823735A1 (de) | 1973-07-03 | 1979-12-06 | Emil Siegwart | Regler fuer die stroemung eines gasfoermigen mediums in einer leitung |
US3955559A (en) | 1974-08-13 | 1976-05-11 | Velta Mikelevna Bramberga | Method of cytological diagnosis of precancer conditions and cancer |
DE2618037A1 (de) | 1976-04-24 | 1977-11-10 | Emil Siegwart | Regler fuer die stroemung eines gasfoermigen mediums in einer leitung |
DE2758352A1 (de) | 1977-12-27 | 1979-07-05 | Emil Siegwart | Regler fuer die stroemung eines gasfoermigen mediums in einer leitung |
DE2835052A1 (de) | 1978-08-10 | 1980-02-14 | Emil Siegwart | Regler fuer die stroemung eines gasfoermigen mediums in einer leitung |
DE3332529A1 (de) | 1983-09-09 | 1985-03-28 | Emil 6603 Sulzbach Siegwart | Vorrichtung zum veraendern der regelgroesse eines stroemungsmengenreglers einer klimaanlage |
Also Published As
Publication number | Publication date |
---|---|
EP1318358B1 (de) | 2010-03-17 |
EP1318358A3 (de) | 2005-06-08 |
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