DE3742024C2 - - Google Patents
Info
- Publication number
- DE3742024C2 DE3742024C2 DE19873742024 DE3742024A DE3742024C2 DE 3742024 C2 DE3742024 C2 DE 3742024C2 DE 19873742024 DE19873742024 DE 19873742024 DE 3742024 A DE3742024 A DE 3742024A DE 3742024 C2 DE3742024 C2 DE 3742024C2
- Authority
- DE
- Germany
- Prior art keywords
- air
- outside air
- supply
- pollutants
- vehicles
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/008—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being air quality
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00828—Ventilators, e.g. speed control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/0085—Smell or pollution preventing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Description
Die Erfindung bezieht sich auf ein Verfahren zur schad stoffabhängigen Steuerung eines Lüftungssystems für Fahr zeugkabinen, bei dem die Zufuhr von Außenluft mittels eines der Außenluft ausgesetzten Sensors unterbunden wird, wenn der Sensor eine unzulässige Schadstoffkonzentration in der Außenluft erfaßt.The invention relates to a method for harm substance-dependent control of a ventilation system for driving staterooms, in which the supply of outside air by means of a the sensor exposed to the outside air is prevented if the sensor has an impermissible concentration of pollutants in the Outside air detected.
Derartige Verfahren zur schadstoffabhängigen Steuerung eines Lüftungssystems für Fahrzeugkabinen sind in der DE 36 34 786 A1 und in der DE 86 34 907 U1 beschrieben. Bei diesen be kannten Verfahren wird die Luftqualität in Fahrzeugkabinen dadurch verbessert, daß gezielt die Zufuhr von Außenluft unterbunden wird, wenn ein Sensor in der Außenluft das Auf treten erhöhter Schadstoffkonzentrationen ermittelt; zur Unterbindung der Außenluftzufuhr dient eine sog. Umluft klappe, mittels der die Verbindung zwischen Fahrzeugkabine und Außenluft geschlossen wird. Nach Schließen dieser Umluft klappe wird die Belüftung der Fahrzeugkabine im Umluftbe trieb bewerkstelligt.Such methods for controlling a pollutant Ventilation system for vehicle cabins are in DE 36 34 786 A1 and described in DE 86 34 907 U1. With these be The air quality in vehicle cabins is known thereby improved that targeted the supply of outside air is prevented when a sensor in the outside air opens increased pollutant concentrations occur; to A so-called circulating air serves to prevent the supply of outside air flap, by means of which the connection between vehicle cabin and outside air is closed. After closing this air circulation the ventilation of the vehicle cabin in the recirculation drove accomplished.
Voraussetzung für die Anwendung der vorstehend geschilderten bekannten Verfahren ist somit, daß im Lüftungssystem des Kraftfahrzeugs eine derartige Umluftklappe vorhanden ist. Die Anwendung dieser bekannten Verfahren ist somit weitestgehend auf Neufahrzeuge und mit Klimaanlagen versehene Fahrzeuge be schränkt, da nur bei derartigen Fahrzeugen in der Regel eine solche Umluftklappe vorhanden ist. Eine entsprechende Nach rüstung von Fahrzeugen, die bisher keine Umluftklappe auf weisen, ist ohne größere Eingriffe in das Lüftungssystem und damit ohne einen entsprechenden technischen Aufwand nicht möglich.Prerequisite for the application of the above known method is thus that in the ventilation system of Such a recirculation air flap is present in the motor vehicle. The Use of these known methods is therefore largely on new vehicles and vehicles with air conditioning limits, since usually only with such vehicles such air recirculation flap is available. A corresponding night armor of vehicles that so far have no air recirculation flap point without major interventions in the ventilation system and not without a corresponding technical effort possible.
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zur schadstoffabhängigen Steuerung eines Lüftungssystems für Fahrzeugkabinen zur Verfügung zu stellen, das ohne großen technischen Aufwand auch in Fahrzeugen, die keine Umluft klappe aufweisen, anwendbar ist.The invention has for its object a method for Control of a ventilation system for pollutants To provide vehicle cabins that are small technical effort even in vehicles that do not have air circulation have a flap, is applicable.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß bei Erfassung einer unzulässigen Schadstoffkonzentration in der Außenluft die Drehrichtung eines im Luftzufuhrkanal angeord neten Luftventilators umgekehrt wird, indem mittels eines Umschaltrelais die Polarität der Spannungsversorgung des Luftventilators umgeschaltet wird. Bei herkömmlichen Lüf tungssystemen sind an den Einlaßstellen, die jegliche Luft strömung, die in die Fahrzeugkabine geleitet wird, passieren muß, Tangentiallüfter angeordnet. Da ein Tangentiallüfter im Gegensatz zu Radiallüftern die Luft in nennenswerter Menge nur in eine Richtung transportieren kann, entsteht durch die Umkehrung der Drehrichtung des im Luftzufuhrkanal angeordneten, als Tangentiallüfter ausgebildeten Luftven tilators keine spürbare Luftströmung aus der Fahrzeugkabine heraus. Vielmehr wird durch die Drehrichtungsumkehr des Tan gentiallüfters bewirkt, daß die Flügel des Tangentiallüf ters wie eine Klappe wirken und den Strömungswiderstand für von außen in den Luftkanal eindringende Außenluft erheblich erhöhen.This object is achieved in that Detection of an impermissible concentration of pollutants in the Outside air the direction of rotation is arranged in the air supply duct Neten air fan is reversed by means of a Switching relay the polarity of the voltage supply of the Air fan is switched. With conventional ventilation systems are at the intake points that contain any air flow that is led into the vehicle cabin must, arranged tangential fan. Because a tangential fan in contrast to radial fans the air in significant Quantity can only be transported in one direction by reversing the direction of rotation of the air supply duct arranged air vents designed as tangential fans tilators no noticeable air flow from the vehicle cabin out. Rather, by reversing the direction of rotation of the Tan Gentiallüfters causes the wings of the Tangentiallüf act like a flap and the flow resistance for Outside air entering the air duct from the outside considerably increase.
Da es nicht erforderlich ist, daß der Tangentiallüfter, sofern seine Drehrichtung umgekehrt ist, mit einer besonders hohen Leistung arbeitet, kann die Stromaufnahme des Tangen tiallüfters verringert werden, indem ein zusätzlicher Vor widerstand zugeschaltet wird oder indem das ohnehin vorhan dene Widerstandsnetzwerk, welches die übliche Stufung der Drehzahl des Tangentiallüfters bewirkt, so geschaltet wird, daß sich für den in umgekehrter Drehrichtung arbeitenden Tangentiallüfter eine verminderte Drehzahl ergibt.Since it is not necessary that the tangential fan, if its direction of rotation is reversed, with a special one high power works, the current consumption of Tangen Partial fans can be reduced by adding an additional front resistance is switched on or by the already existing dene resistance network, which the usual grading of Speed of the tangential fan causes, is switched, that for those working in the opposite direction Tangential fan results in a reduced speed.
Das erfindungsgemäße Verfahren ist demgemäß geeignet, auch in Kraftfahrzeugen eingesetzt zu werden, die nicht mit einer sog. Umluftklappe ausgerüstet sind. Somit wird für derarti ge Kraftfahrzeuge eine sensorgesteuerte Schadstoffabschot tung der Insassen der Fahrzeugkabinen bei stark belasteter Außenluft möglich, ohne daß durch aufwendige Umbaumaßnahmen zunächst eine sog. Umluftklappe im Fahrzeug installiert wer den müßte. Auch mit einer bloßen Fixierung des Tangential lüfters ohne Drehrichtungsumkehr desselben kann der mit der Erfindung angestrebte Effekt teilweise erreicht werden.The method according to the invention is accordingly suitable, too to be used in motor vehicles that do not have a So-called air recirculation flap are equipped. Thus, for such vehicles a sensor-controlled pollutant barrier the occupants of the vehicle cabins when heavily loaded Outside air is possible without the need for complex conversion measures First of all, a so-called air recirculation flap is installed in the vehicle that should. Even with a mere fixation of the tangential fan without reversing the direction of rotation, the one with the Intended effect of the invention can be partially achieved.
Im folgenden wird die Erfindung an Hand eines Ausführungs beispiels unter Bezugnahme auf die Zeichnung, in der die beim erfindungsgemäßen Verfahren anzuwendende Steuerung prinzipell dargestellt ist, näher erläutert.In the following the invention is based on an embodiment for example with reference to the drawing in which the control to be used in the method according to the invention is shown in principle, explained in more detail.
An einem in Fig. 1 dargestellten Luftventilator 1 ist ein Umschaltrelais 2 angeschlossen, welches seinerseits mit einem bei Kraftfahrzeugen üblichen Drehzahleinsteller 3 in Reihe geschaltet ist. Eine Erregerspule 4 des Umschaltrelais 2 wird durch einen sensorgesteuerten Schalter 5 betätigt. Es ist ein Widerstand 6 vorgesehen, der im angeregten Zustand des Umschaltrelais 2 die Rücklaufdrehzahl des Luftventila tors 1 vermindert.At one shown in Fig. 1 air ventilator 1, a change-over relay 2 is connected, which is in turn connected with a usual in motor vehicles speed adjuster 3 in series. An excitation coil 4 of the switching relay 2 is actuated by a sensor-controlled switch 5 . It is a resistor 6 is provided, which reduces the return speed of the door Luftventila 1 in the excited state of the change-over relay. 2
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873742024 DE3742024A1 (en) | 1987-12-11 | 1987-12-11 | Device for the sensor-controlled partitioning off of vehicle interiors by reversing the direction of rotation of the fan when increased pollutant concentrations are sensed outside the vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873742024 DE3742024A1 (en) | 1987-12-11 | 1987-12-11 | Device for the sensor-controlled partitioning off of vehicle interiors by reversing the direction of rotation of the fan when increased pollutant concentrations are sensed outside the vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3742024A1 DE3742024A1 (en) | 1989-06-22 |
DE3742024C2 true DE3742024C2 (en) | 1993-01-21 |
Family
ID=6342373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873742024 Granted DE3742024A1 (en) | 1987-12-11 | 1987-12-11 | Device for the sensor-controlled partitioning off of vehicle interiors by reversing the direction of rotation of the fan when increased pollutant concentrations are sensed outside the vehicle |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3742024A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4431042A1 (en) * | 1994-09-01 | 1996-03-07 | Himmelsbach Johann | Cooling system for motor vehicle IC engine |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4206228C1 (en) * | 1992-02-28 | 1993-02-18 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
DE9313571U1 (en) * | 1993-09-09 | 1994-01-05 | Jatsch, Werner, 78166 Donaueschingen | Fan |
FR2814119B1 (en) * | 2000-09-19 | 2003-05-30 | Peugeot Citroen Automobiles Sa | AIR CONDITIONING INSTALLATION FOR A MOTOR VEHICLE INTERIOR AND CORRESPONDING AIR CONDITIONING METHOD |
DE10152150C1 (en) * | 2001-10-25 | 2003-01-23 | Buhler Motor Gmbh | Heating and/or air conditioning system for motor vehicle, reverses air flow direction during bypass element adjustment to recirculation setting until recirculation position reached |
SE0502276L (en) * | 2005-10-14 | 2007-03-20 | Scania Cv Abp | Device in a vehicle cab |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3304324C3 (en) * | 1983-02-09 | 1996-08-14 | Bayerische Motoren Werke Ag | Method for controlling a ventilation device for the interior of a motor vehicle and device for carrying out this method |
DE3422778A1 (en) * | 1984-06-20 | 1986-01-02 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Method and device for reducing pollutants in the motor vehicle interior |
DE3431372A1 (en) * | 1984-08-25 | 1986-03-06 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Process for switching fresh air currents for drivers' cabs or work protection cabins |
DE3526462A1 (en) * | 1984-06-20 | 1987-01-29 | Hoelter Heinz | Method for monitoring the air quality in motor vehicles by means of an interior and exterior sensor in the travelling or parked vehicle |
DE3634786A1 (en) * | 1986-10-11 | 1988-04-14 | Hoelter Heinz | Pollutant sensor with control and switching method adapted to the situation |
-
1987
- 1987-12-11 DE DE19873742024 patent/DE3742024A1/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4431042A1 (en) * | 1994-09-01 | 1996-03-07 | Himmelsbach Johann | Cooling system for motor vehicle IC engine |
DE4431042C2 (en) * | 1994-09-01 | 1999-05-12 | Himmelsbach Johann | Method for influencing the cooling air flow of a vehicle radiator and engine compartment of a motor vehicle through which the wind blows with the aid of a fan |
Also Published As
Publication number | Publication date |
---|---|
DE3742024A1 (en) | 1989-06-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |