EP0707180B1 - Ventilateur avec détecteur d'humidité dans le flux d'air - Google Patents

Ventilateur avec détecteur d'humidité dans le flux d'air Download PDF

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Publication number
EP0707180B1
EP0707180B1 EP95114502A EP95114502A EP0707180B1 EP 0707180 B1 EP0707180 B1 EP 0707180B1 EP 95114502 A EP95114502 A EP 95114502A EP 95114502 A EP95114502 A EP 95114502A EP 0707180 B1 EP0707180 B1 EP 0707180B1
Authority
EP
European Patent Office
Prior art keywords
air
housing
fan
ventilator
conduction path
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.)
Expired - Lifetime
Application number
EP95114502A
Other languages
German (de)
English (en)
Other versions
EP0707180A3 (fr
EP0707180A2 (fr
Inventor
Herbert Krösche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maico Elektroapparate Fabrik GmbH
Original Assignee
Maico Elektroapparate Fabrik GmbH
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 Maico Elektroapparate Fabrik GmbH filed Critical Maico Elektroapparate Fabrik GmbH
Publication of EP0707180A2 publication Critical patent/EP0707180A2/fr
Publication of EP0707180A3 publication Critical patent/EP0707180A3/fr
Application granted granted Critical
Publication of EP0707180B1 publication Critical patent/EP0707180B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity

Definitions

  • the invention relates to a fan for ventilation of a room with a housing in which a Fan wheel driven by an electric motor Generation of an air flow is arranged, wherein the housing one with air inlet and with air outlet provided flow path for the air flow, as well as with a humidity sensor that measures the humidity measures in space and depending on the measurement result controls the electric motor.
  • Such fans provided with a moisture sensor are known. They serve moist air, for example from wet areas such as shower rooms or the like, suction.
  • the humidity sensor Preferably there is an automatic one Operation before, that is, the measurement result the humidity sensor always controls the electric motor then when a limit of humidity is exceeded. If the humidity drops Indoor air again below the limit, so the Fan operation set.
  • the known fans of the aforementioned Art have the disadvantage that they open relatively late the humidity in the room react.
  • the indoor air by using a shower enriched with moisture, so passes a not inconsiderably long time until the wet Air gets to the sensor so that it comes out of the shower person entering a room with high humidity finds, so that, for example, mirrors mist up are. The person is therefore wrong believes that the ventilation system is defective is.
  • the fan may only be starting then to run when the room has already left has been.
  • moisture that is not removed can lead to structural damage can. This, for example, both with internal Bathrooms (without windows) as well as outside Bathrooms (with window).
  • the well-known fans in which the Moisture sensor in the air flow caused by the fan wheel is also have the disadvantage that a premature Switching off can be done even though the room still has a humidity greater than is the limit. This can cause this malfunction set that the fan for example from a nearby door opening, supply air opening or the like draws in air that is drier than the room air is so that the humidity sensor due the dry, sucked air switches off the fan, although the ambient air is still too has high humidity.
  • US 4,953,784 A is a fan disclosed for ventilation of a room, with a Housing in which a driven by an electric motor Fan wheel for generating an air flow is arranged, the housing having a Air inlet and flow path provided with air outlet for the air flow, as well as with a Humidity sensor that detects the humidity in the room measures and depending on the measurement result Electric motor controls, with the humidity sensor in a trained separately from the flow path with this non-communicating, essentially one causing natural air flow in the room air Air duct is arranged.
  • the moisture sensor is separate from the fan housing on the room wall arranged and by cable to the fan connected.
  • EP 0 428 240 A Humidity sensor known in the inlet of a fan or in its ventilation screw is arranged.
  • the invention is therefore based on the object a fan of the type mentioned create the disadvantages mentioned above eliminated.
  • the air duct as a thermal Air duct is formed. This means that the air flow around the humidity sensor due to thermal stratification, so that - as already mentioned - a kind of chimney effect is present.
  • the air duct at least one air inlet and at least one Has air outlet opening and that the air inlet opening lower to the air outlet opening is formed on the housing.
  • This way and Wise is a natural flow in the air duct realized.
  • the chimney effect can be added Means are strengthened by, for example the air duct is designed like a nozzle and / or the dimensioning of air inlet and Air outlet opening in a suitable manner for reinforcement the one flowing along the moisture sensor Air flow is realized.
  • Flow shadow means that - like already mentioned above - a decoupling of the air flow generated by the fan wheel to Measuring air flow is present.
  • the air duct is straight vertical graduated.
  • the air inlet opening at the bottom of the housing and / or in the lower area the side part of the housing is arranged.
  • the Air outlet opening is preferably on the Top of the housing and / or in an upper area of the side part of the housing.
  • the housing on the back of the has air duct provided with a moisture sensor.
  • a retrofit option or the option the use of a fan with or without Moisture sensor exists according to a preferred embodiment of the invention when an additional housing is provided, which is preferably as Relining housing is formed, the with Has moisture sensor provided air duct and can be assigned to the back of the fan. Should an existing fan one Humidity sensor control can be assigned, so it is only necessary to dismantle it Assign the back of the additional housing and the then reassemble the entire unit.
  • the additional housing has the moisture sensor Air duct on.
  • the controller Electronics can either be in the additional housing or housed in the main housing of the fan his.
  • FIG 1 shows a fan 1, which is a housing 2, in which a fan wheel 3 is arranged is that can be driven by an electric motor 4.
  • the fan 1 is designed as an axial fan; it sucks 5 air one through an air inlet to ventilated space and blows it out of one Air outlet 6, for example, from the outside.
  • the Air inlet 5 is not specifically shown in Figure 1. It is located on the front wall of the housing 2, but for the sake of clarity 1 has been omitted.
  • the housing 2 has an underside 7 and a Top 8 on.
  • the bottom 7 is an air inlet opening 9;
  • the top 8 of the Housing 2 has an air outlet opening 10 Mistake.
  • Air inlet opening 9 and air outlet opening 10 are connected via an air duct 11, which forms an air duct 12.
  • the to electronics not shown Control device is connected, which the Electric motor 4 of the fan 1 depending controls the humidity of the room air.
  • the air duct 12 by means of a straight profile tube, especially designed plastic profile tube, that penetrates the inside of the housing 2.
  • the Air duct 12 is separate from flow path 14 formed between the air inlet 5 and the Air outlet 6 of the fan 1 is formed. insofar there is no one between these two paths communicating connection.
  • FIG. 1 shows a fan 1, the embodiment corresponds to Figure 1. insofar reference is made to the above statements.
  • the design of the fan 1 of Figure 2 the air duct 12. This is formed by that -parallel to a side wall 15 of the Housing 2- a partition 16 arranged inside the housing is, starting from the bottom 7- extends to the top 8.
  • An air duct 11 is formed in which - preferably in the middle, that is spaced apart from its walls - the moisture sensor 13 is located.
  • FIG. 3 can with the fan 1 of the figures 1 and 2 the air duct 12 alternatively also be formed outside the housing 2.
  • the front wall 17 of the housing 2 can be seen, the air inlet 5 having.
  • the air inlet 5 is of a frame-like trained front wall 18 surrounded.
  • the frame-like front wall 18 is on the Outside of the housing 2- the air duct 12 arranged in a vertical direction.
  • the Air duct 12 is by means of a U-profile 20th formed, the thigh ends on the top the front wall 18 lie sealingly.
  • the Humidity sensor 13 At the inside the air duct 12 is again the Humidity sensor 13.
  • the Humidity sensor 13 Alternatively, for example be provided that the (with moisture sensor provided) U-profile not on the front of the Fan, but on the side wall - as dashed in Figure 3 is located.
  • FIG 4 shows another embodiment a fan 1, which does not have its air inlet 5 as in the exemplary embodiments in FIGS. 1 to 3- on the front wall 17, but on the bottom 7 has.
  • This design is shown below discussed in more detail ( Figure 6).
  • Critical for the invention is that there is an air duct 12 is located on the front wall 17.
  • the Air duct 12 is the same as in the embodiment the figure 3- by means of a U-profile 20 formed, which runs vertically and on his lower end of the air inlet opening 9 and at its the upper end of the air outlet opening 10. Inside the air duct 12 is again the moisture sensor 13 is arranged.
  • FIG. 5 shows an embodiment of a Fan 1, which corresponds to the design of Figure 4.
  • Fan 1 of Figure 5 Air duct 12 on the inside of the housing 2 of the fan 1 runs.
  • a side part shows this 21 in the lower area 22 the air inlet opening 9 and in the upper area 23 the air outlet opening 10 on.
  • Air inlet opening 9 and Air outlet opening 10 are U-shaped extending air duct 11 in which the Moisture sensor 13 is housed.
  • the air outlet opening 10 is not on Side part 21, but on the top 8 of the housing 2 is located, so that there serving the measurement Room air can escape.
  • FIG. 6 shows - in section - the closer construction of the fan 1 according to the embodiment of Figure 5.
  • the fan 1 is with a Labyrinth ventilation path 24 provided the flow path 14 forms.
  • the one in one Impeller housing 25 located, not shown Air 26 is drawn in by the impeller the bottom 7 of the housing 2 located air inlet 5 and penetrates you on both sides with insulating material lined room 27.
  • the intake air 26 is then deflected and passes through a gap 28 one insulating space 29 delimiting space 27 and moving down under passing a room 30.
  • Im a lower area of the room 30 takes place again Redirection (arrow 31) and from there the sucked air 26 into an annular gap of the impeller housing 25.
  • After passing the impeller the air 26 from a tubular air outlet 6 blown out at the top 8 of the case 2 is located.
  • the space 27 is separated by means of a wall 32, the parallel to the front wall 17 of the housing 2 runs.
  • an air duct 12 between the wall 32 and the Front wall 17 formed, being angled in extending areas of the front wall 17 in which lower part of the air inlet opening 9 and in whose upper part is the air outlet opening 10.
  • the Moisture sensor 13 arranged to the electronic Control device for the electric motor 4 of the Fan 1 is connected.
  • FIG. 7 shows a fan 1, the embodiment corresponds to Figure 6. It should therefore only dealt with the present differences become. These consist of the air duct 12 not inside the housing 2, but arranged on the outside of the front wall 17 is. For this purpose, the embodiment of Figure 4 referenced, the - in perspective - shows the outer structure. Based on the figure 7 is now the internal structure of this embodiment be made clear. From the impeller housing 25 extends from a tubular dome 33, the extends approximately to the insulation wall 29. The end area of the cathedral 33 is covered by an oval tube 34, that starts from the front wall 17. Cathedral 33 and oval tube 34 form a hollow channel 35, through the electrical lines for the humidity sensor 13 run (not shown). It is also possible to accommodate the control electronics in the hollow channel 35, so that between moisture sensor 13 and Electronics is only a very short distance.
  • FIG. 8 illustrates the structure of the dome 33 and of the oval tube 34 again, clearly recognizable is that a space 30 toward the impeller shell 25 located insulation wall 36 from an opening 37 for the cathedral 33 is enforced.
  • FIG. 9 shows a section of the U-profile 20 according to the embodiment of Figure 4. It is recognizable that the moisture sensor 13 a touch and splash guard barrier 38 is assigned.
  • This barrier 38 is one of the one Leg 40 of the U-profile 20 outgoing wall 39 formed, which are not over the entire width b of the U-profile 20 extends, but a free space f to the opposite leg 41.
  • This Wall 39 is followed by another wall 42, from the leg 41 goes out and - in a corresponding manner - also leaves a space f to the leg 40.
  • the Walls 39 and 42 are not perpendicular to theirs Legs 40 or 41, but are slightly inclined towards the moisture sensor 13. Are located below the moisture sensor 13 two other walls 43 and 44, respectively the walls 39 and 42 are formed.
  • Figures 11 and 12 relate to a fan 1, which corresponds to the exemplary embodiments of the figures 1 to 3 is formed, but an additional housing 46, which is the rear 47 of the housing 2 of the fan 1 is assigned.
  • the additional housing 46 has the same peripheral Dimensions like the housing 2.
  • the additional housing 46 faces the side of the air outlet 6 located on the air duct 12 in which the Moisture sensor 13 is arranged.
  • the additional housing 46 has a Breakthrough 48 provided to the trained as a tube Take up the air outlet 6 of the fan 1 can.
  • the air duct 12 is a hollow channel 35 'formed from the bottom 7' of the additional housing 46 goes out and in the top 8 ' empties.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Ventilation (AREA)
  • Air Conditioning Control Device (AREA)

Claims (10)

  1. Ventilateur (1) pour ventiler une salle comprenant un boítier (2) logeant un rotor de ventilateur entraíné par un moteur électrique (4) pour créer un flux d'air, le boítier (2) ayant un chemin de passage (14) pour le flux d'air, avec une entrée d'air (5) et une sortie d'air (6),
    ainsi qu'un capteur d'humidité (13) qui mesure l'humidité dans la salle et qui commande le moteur électrique (4), en fonction du résultat de la mesure, le capteur d'humidité (13) étant placé dans un chemin de guidage d'air (12) séparé du chemin de circulation (14) et ne communiquant pas avec celui-ci, ce chemin traversant le boítier (2) ou étant installé à l'extérieur du boítier (2) de façon à être balayé par l'air ambiant par une circulation naturelle d'air.
  2. Ventilateur selon la revendication 1,
    caractérisé en ce que
    le chemin de guidage d'air (12) est réalisé sous la forme d'un canal d'air (11) à effet thermique.
  3. Ventilateur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le chemin de guidage d'air (12) comporte au moins une entrée d'air (9) et au moins une sortie d'air (10) et l'orifice d'entrée d'air (9) est installé en dessous de l'orifice de sortie d'air (10) dans le boítier (2).
  4. Ventilateur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le chemin de passage de l'air (12) est prévu protégé de l'écoulement du flux d'air traversant le chemin de circulation (14).
  5. Ventilateur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le chemin de guidage d'air (12) est rectiligne, vertical.
  6. Ventilateur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'orifice d'entrée d'air (9) est prévu sur le côté inférieur (7) du boítier (2) et/ou dans la zone inférieure (22) d'une partie latérale (21) du boítier (2).
  7. Ventilateur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'orifice de sortie d'air (10) est prévu sur le côté supérieur (8) du boítier (2) et/ou dans une zone supérieure (23) d'une partie latérale (21) du boítier (2).
  8. Ventilateur selon l'une quelconque des revendications précédentes,
    caractérisé par
    des barrières de contact et/ou de protection contre les projections (38) installées dans le chemin de guidage de l'air (12).
  9. Ventilateur selon l'une ou plusieurs des revendications précédentes,
    caractérisé en ce que
    le boítier (2) comporte sur son côté arrière (47), le chemin de guidage d'air (12) muni du capteur d'humidité (13).
  10. Ventilateur selon l'une quelconque des revendications précédentes,
    caractérisé par
    un boítier supplémentaire (46) réalisé de préférence comme boítier de garniture (49), ayant le chemin de guidage d'air (12) muni du capteur d'humidité (13) et prévu sur le côté arrière (47) du ventilateur (1).
EP95114502A 1994-10-13 1995-09-15 Ventilateur avec détecteur d'humidité dans le flux d'air Expired - Lifetime EP0707180B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9416448U DE9416448U1 (de) 1994-10-13 1994-10-13 Ventilator mit Feuchtesensor in natürlicher Luftströmung
DE9416448U 1994-10-13

Publications (3)

Publication Number Publication Date
EP0707180A2 EP0707180A2 (fr) 1996-04-17
EP0707180A3 EP0707180A3 (fr) 1997-11-05
EP0707180B1 true EP0707180B1 (fr) 2002-04-10

Family

ID=6914810

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95114502A Expired - Lifetime EP0707180B1 (fr) 1994-10-13 1995-09-15 Ventilateur avec détecteur d'humidité dans le flux d'air

Country Status (3)

Country Link
EP (1) EP0707180B1 (fr)
AT (1) ATE216055T1 (fr)
DE (2) DE9416448U1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI110280B (fi) * 1999-07-08 2002-12-31 Halton Oy Ilmastointimenetelmä ja ilmastointijärjestelmä
GB2357142B (en) * 1999-12-07 2003-12-31 Ray Hudson Ltd Ventilation apparatus
ATE304151T1 (de) * 2001-10-24 2005-09-15 Kurt Wallenfang Vorrichtung zur regulierung der luftfeuchtigkeit
DE102016118369A1 (de) 2016-09-28 2018-03-29 Ebm-Papst Mulfingen Gmbh & Co. Kg Ansaugdüse und Ausblaseinheit eines Ventilators
CN106932019A (zh) * 2017-03-20 2017-07-07 阜阳师范学院 一种室内湿度测量仪
WO2018202312A1 (fr) * 2017-05-05 2018-11-08 Fresh Ab Ventilateur d'évacuation électrique
CN110296090A (zh) * 2019-06-10 2019-10-01 杭州西屋个人护理用品有限公司 一种淋浴房水汽排出装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63161334A (ja) * 1986-12-24 1988-07-05 Toshiba Corp 換気扇の運転装置
DE3938026A1 (de) * 1989-11-13 1991-05-16 Schoettler Lunos Lueftung Entlueftungsgeraet, insbesondere fuer innenliegende sanitaerraeume

Also Published As

Publication number Publication date
ATE216055T1 (de) 2002-04-15
EP0707180A3 (fr) 1997-11-05
DE9416448U1 (de) 1994-12-01
EP0707180A2 (fr) 1996-04-17
DE59510149D1 (de) 2002-05-16

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