EP3327689A1 - Air conduit component - Google Patents

Abstract

The invention relates to an air-conducting component (1) for a pipe system, in particular for a pipe system for gaseous media preferably used in an aspirative fire detection and / or air monitoring system. The air guiding member (1) comprises a housing (7) having a gas inlet (12a) and a gas outlet (12b), the gas inlet (12a) and the gas outlet (12b) being fluidly connected to the pipe system or connectable to form one of them Gas inlet (12a) to the gas outlet (12b) extending flow path inside the housing. Furthermore, a connection area with a connection (6) is provided for connecting the interior of the housing, as required or optionally, to a maintenance / cleaning device.

Description

The present invention relates to an air guiding component for a pipe system, in particular for a suction pipe system for gaseous media preferably used in an aspirative fire detection and / or air monitoring system.

Aspirative fire detection and / or air monitoring systems are well known in the fire protection art and are used, for example, to detect incipient fires, to monitor air quality, or to monitor air composition, such as oxygen content, in an enclosed space. Such aspirative fire detection and / or air monitoring systems generally have at least one detection unit or at least one sensor for detecting a fire parameter and / or for monitoring at least one parameter characterizing the air quality or air composition and a piping system serving as a supply, via which the at least a detection unit ambient air samples can be fed.

Aspirative fire detection and / or air monitoring systems of this type are often used for the earliest detection of fires already in their formation phase. They are then also called, for example, smoke aspiration systems, aspirating smoke detectors or active detectors. Typical areas of application are either rooms with high-quality or important facilities, such as rooms with computer systems in banks, insurance or data centers, or the computer equipment itself. For this purpose, the room air or the device cooling constantly representative subsets are removed and at least one serving as a supply pipe system of the detection unit of the aspirative fire detection and / or air monitoring system for detecting a fire characteristic supplied. The necessary negative pressure for air sampling is usually generated via a suction unit, eg a fan.

The term "pipe system" as used herein is to be understood as meaning, but not exclusively, pipelines which are fastened to a room protection, for example under the ceiling, and to an air inlet opening in the housing of the detector belonging to the aspirative fire detection and / or air monitoring system lead, and which suck the room or device cooling air through suction openings, which are provided in the pipe system. In aspirative fire detection and / or air monitoring systems, which are provided for the space protection, and in which the serving as a supply pipe system preferably consists of one or more pipes, the suction openings in the pipes are preferably arranged at regular intervals. The tubes may be made of metal or plastic, for example. The pipe system does not necessarily comprise rigid pipes, but may at least partially be formed from hose lines.

The term "fire characteristic" is understood to mean physical quantities which undergo measurable changes in the environment of a fire of origin. Examples include the ambient temperature, solid, liquid or gas components in the ambient air (formation of smoke particles, gases or aerosols) or the ambient radiation. Smoke particles can be detected, for example, with scattered light or transmitted light sensors and flue gases with chemical sensors.

By "air monitoring" can be understood, for example, the monitoring of air quality or air composition. For example, chemical sensors can be used to analyze the oxygen content of the air in the monitored room. This monitoring is particularly relevant in the context of fire prevention and fire fighting systems which proactively reduce the risk of fire, for example by introducing inert gas or nitrogen enriched air or reactively extinguish a resulting fire, the oxygen content in the protected area for the safety of persons present and for controlling the gas flow supplied must be constantly monitored.

An aspirative fire detection and / or air monitoring system is highly dependent on the maintenance of the air flow generated by a suction unit, such as a fan, as a sucking force. An airflow sensor system permanently monitors the pipe system for breakage and blockage. To ensure the maintenance of this air flow, regular cleaning and / or maintenance of the air conditioning system is also required Pipe system required to prevent fluctuations in the detection unit of the aspirative fire detection and / or air monitoring system to be supplied air flow and in particular a gradual decrease in air flow due to contamination, moisture, etc. In practice, such a cleaning is usually done by blowing the tubes, that is, a compressed air source is connected to the pipe system and one or more pressure pulses drive out the dirt and water particles from the pipe system. Previously, the connection between the pipe system and the detection unit must be locked because the mechanically sensitive detection unit could be damaged by the pressure pulse.

A disadvantage of the conventional blow-out devices according to the prior art, the increased installation costs, for example by the installation of a blow-off valve or by the installation of 3-way ball valves to shut off the connection to the detection unit, and the associated costs.

The object of the invention is therefore the simplification of the maintenance of the pipe system, the reduction of the required components and the associated costs.

The object underlying the present invention is achieved in particular by the subject matter of the independent claims 1 and 11 or by a method for servicing and / or cleaning a pipe system according to the independent claim 13.

Accordingly, in particular, an air-guiding component is proposed for a pipe system, in particular for a suction or suction pipe system for gaseous media preferably used in an aspirative fire detection and / or air monitoring system, this air-conducting component having a housing with a gas inlet and a gas outlet. The gas inlet and the gas outlet of the housing are fluidly connected to the pipe system or connectable to form a flow path extending from the gas inlet to the gas outlet in the interior of the housing. According to the invention, the air guiding component further has a connection area in order to connect the interior of the housing, as required or optionally, to a maintenance / cleaning device in terms of flow. The fluidly connecting the housing interior with a maintenance / cleaning device comprises in particular the Connecting an auxiliary pipe system, hose system or a similar line to a maintenance / cleaning device assigned to a maintenance / cleaning device.

The maintenance / cleaning device comprises, for example, a vacuum or overpressure source for cleaning the pipe system. As a positive pressure source, for example, a compressed air tank comes into consideration, as a vacuum source can be provided in the simplest variant, a vacuum cleaner or, for example, a vacuum pump. With a vacuum cleaner, a particularly simple and effective cleaning of the pipe system can be carried out, in addition, dissolved dirt particles are collected in a vacuum cleaner container and not discharged as through the openings in the pipe system as in the environment.

The use of the maintenance / cleaning device is not limited to cleaning. For example, the maintenance device may also include a test gas source for introducing a test gas for testing the function of the intake system or the detection unit.

The term "air guiding component" as used herein generally refers to a component which, in a normal operating mode of the air guiding component or of the fire detection and / or air monitoring system, is at least partially traversed by the air stream sucked in via the pipe system. For the purposes of the present invention, a filter component may be considered in particular (but not exclusively) as an air-guiding component. It is essential here that the air-conducting component has a housing with a gas inlet and a gas outlet, the gas inlet and the gas outlet of the housing being connected or connectable to the pipe system in the normal operating mode of the air-directing component or fire-detection and / or air-monitoring system, to form a flow path extending from the gas inlet to the gas outlet inside the housing.

The air guiding component according to the invention also has a connecting region, via which the housing interior can optionally be fluidically connected to a maintenance or cleaning device.

For example, in a maintenance / cleaning operating mode of the air guiding component or of the fire detection and / or air monitoring system, it is conceivable to connect the same via the connecting region of the air guiding component to the maintenance / cleaning device, so that, for example, cleaning compressed air can then be supplied via the Connecting region can be supplied to the pipe system. Alternatively or additionally, however, it is also conceivable to connect a maintenance / cleaning device to the connecting region in a maintenance / cleaning operating mode of the air guiding component or of the fire detection and / or air monitoring system, air and any liquid being supplied via a vacuum or vacuum source - And solid particles are sucked out of the pipe system.

The advantage that results with the air guiding component according to the invention, is obvious: by for the purpose of maintenance or cleaning an existing already in the pipe system air guide member is used to supply cleaning compressed air to the pipe system or to suck air from the pipe system, it is for Purposes of maintenance or cleaning no longer necessary to provide an additional interface, for example via a 3-way ball valve in the pipe system.

In other words, according to the invention, the double-action air-conducting component has a double function. In the normal operating mode of the air-conducting component or of the fire-detection and / or air-monitoring system, the air-conducting component assumes its usual function, such as, for example, the filtration of the gas flow sucked in and exhausted via the pipe system In a maintenance / cleaning mode of operation of the air guiding component or of the fire detection and / or air monitoring system, the air guiding component forms the interface to the maintenance / cleaning device.

According to embodiments of the present invention, the connection region has a connection provided in or on a wall region of the housing of the air-conduction component, via which the interior of the housing can be optionally or optionally connected to the maintenance / cleaning device (in a maintenance / cleaning operating mode of the air-conduction component) Fire detection and / or air monitoring system) is fluidly connectable. Conceivable in this context, it is, for example, when the wall area, in or at which the connection is provided, designed as an integral part of the housing of the Luftleitbauteils and is firmly connected thereto.

The connection may, for example, be a threaded connection which is closed with a closure cap if no maintenance / cleaning device is connected. The connection can also be an example conical quick coupling with a gate valve for selectively opening, reducing and closing the connection to the housing interior of the Be air guide. With a quick coupling, the connection to the maintenance / cleaning device can be made quickly, so that the maintenance work is accelerated.

Alternatively, it is also conceivable for the wall region, in or at which the connection is provided, to be designed as a wall region of a first component that is detachably connected or connectable to the housing via a quick release, wherein the wall region of this first component is formed, an in to close the housing opening provided housing. This housing opening is, for example, a closable service opening or the like opening, via which, if necessary, at least partial access into the interior of the housing can be ensured.

In a conceivable further development of the last-mentioned embodiment, in which the wall region, in or at which the connection is provided, is designed as a wall region of a first component which is detachably connected to the housing or can be connected, it is provided that the latter is detachably connected to the housing or connectable first component with a second component is interchangeable, which has a wall area without connection and also, if necessary, releasably connected to the housing. Preferably, this second component is designed such that it closes in a state in which the second component is connected to the housing, the housing opening provided in the housing (for example service opening). In this case, it is appropriate for the second component-with the exception of the connection provided in the first component-to be at least substantially identical to the first component. This would have the advantage that the second component or the wall region of the second component can be connected via the same fastening means with which the wall region of the first component can be detachably connected to the housing of the air-conducting component. As connecting means this offers a quick release. In other words, the first component can be imagined, for example, as a housing cover with a connection opening or a connection, for example a pipe or hose connection, and the second component as a continuously closed housing cover without such a connection opening or such a connection.

According to embodiments of the present invention, in which the connection region of the air guiding component in or on a wall portion of the housing of the air guiding component has provided connection, via the need or optionally the housing interior with the maintenance / cleaning device is fluidly connectable, it is provided that the terminal is associated with a closure part to demand or optionally an effective flow cross-section of a realizable via the connection flow connection between the Housing interior and the maintenance / cleaning device to reduce or on demand or optionally a realizable via the connection flow connection between the housing interior and the maintenance / cleaning device to separate.

Conceivable in this context, it is, for example, when the connection of the connecting portion of the air guiding component is designed as a connecting piece or the like, wherein the closure part, which is associated with the terminal, is designed as a valve or a protective cap. Of course, other embodiments for the connection and / or the closure part associated with the connection come into question here as well.

According to embodiments of the present invention, at least one shut-off element is associated with the gas inlet of the housing of the air-guiding component in order to optionally or optionally reduce an effective flow cross-section of a fluid connection between the pipe system and the housing interior that can be realized via the gas inlet, or optionally or via one Gas inlet realizable fluid connection between the pipe system and the housing interior to separate. Alternatively or additionally, it is conceivable if the gas outlet of the housing of the Luftleitbauteils is assigned at least one shut-off to demand or optionally an effective flow cross-section of a realizable via the gas outlet flow connection between the housing interior and the pipe system, or on-demand or optionally to separate a realizable via the gas outlet fluid connection between the housing interior and the pipe system.

By providing at least one shut-off element which is assigned to the gas inlet and / or the gas outlet of the housing of the air-conducting component, it is possible in an easy-to-implement, yet effective manner, in a maintenance / cleaning operating mode of the air-conducting component or the Fire detection and / or air monitoring system to separate portions of the pipe system fluidly from the housing interior of the air guide and thus the maintenance / cleaning device, which is necessary and necessary, for example, if existing in the pipe system or fluidly connected to the pipe system sensitive components such Sensors, detectors or other components, in The maintenance / cleaning mode of operation of the air guide component or the fire detection and / or air monitoring system should not be subjected to pressure pulses or set under negative pressure. In other cases, such as testing the function of sensors or detectors with a test gas, another part of the piping system that is not connected to the sensors or detectors may be disabled. With complete separation of the connections between the air guiding component and the pipe system, for example, only one filter contained in the air guiding component can be cleaned, for example sucked out.

According to conceivable implementations of the last-mentioned embodiments in which at least one shut-off element is assigned to the gas inlet and / or gas outlet of the housing of the air-conducting component, it is provided that the housing of the air-conducting component has at least one opening assigned to the at least one shut-off element, via which the at least one shut-off element can be introduced at least in some areas, in order to then optionally or selectively reduce an effective flow cross-section of a fluid connection between the housing interior and the pipe system which can be realized via the gas outlet or the gas inlet of the housing of the air-conducting component. Alternatively, however, it is also conceivable for the at least one shut-off element to be inserted via the at least one shut-off element in order to optionally or optionally provide a fluid connection between the housing interior and the pipe system that can be realized via the gas outlet or the gas inlet of the housing of the air-conducting component to separate. The at least one shut-off associated openings can be closed, for example, with sealing lips or a sliding lid. Of course, however, other embodiments of shut-off elements for reducing the effective flow cross-section of the realizable via the gas outlet or the gas inlet flow connection or for separating the realizable via the gas outlet or gas inlet fluid connection come into question.

According to embodiments of the inventive air guiding component, the housing is designed to receive at least one filter element preferably interchangeably in its housing interior. In particular, the at least one filter element can be accommodated in the housing interior in such a way that, in a normal operating mode of the air guiding component or the fire detection and / or air monitoring system, the flow path extending from the gas inlet of the air guiding component to the gas outlet of the air guiding component is at least partially through the at least one accommodated inside the housing Filter element is running. In other words, with these In the normal operating mode of the air-conducting component or of the pipe system, embodiments of the air-conduction component according to the invention have the function of an air filter for the air-conducting component.

If, however, in a maintenance / cleaning operating mode of the air guiding component or of the pipe system, the pipe system which is fluidically connected or connectable to the gas inlet and / or the gas outlet of the air guiding component is to be cleaned and / or maintained, the at least one filter element can optionally be removed from the interior of the housing become. In this way, the air resistance of the housing interior of the air guide in the maintenance / cleaning mode of operation can be reduced.

In this context, it is conceivable if an effective flow cross-section of a fluid connection that can be realized via the gas outlet of the air-conducting component is simultaneously reduced in the maintenance / cleaning operating mode of the air-conducting component, or if a fluid connection that can be realized via the gas outlet of the air-conducting component is separated. Alternatively, it is nevertheless conceivable that an effective flow cross-section of a fluid connection that can be realized via the gas inlet of the air-conducting component is simultaneously reduced or a fluid connection that can be realized via the gas inlet is separated in the maintenance / cleaning operating mode of the air-conducting component.

According to embodiments of the invention Luftleitbauteils this comes in its normal operating mode, the function of a distribution or manifold, wherein the housing of the Luftleitbauteils is designed as a distribution or manifold housing. In such embodiments, a plurality of gas inlets and / or gas outlets may be provided, which can be closed as required or optionally completely or partially with one or more shut-off. In the normal operating mode of the air guiding component, the flow path extending from the at least one gas inlet of the air guiding component to the at least one gas outlet of the air guiding component then at least partially runs through the housing interior of the air guiding component.

In contrast, in a maintenance / cleaning operating mode of the air guiding component or the pipe system, that is to say in an operating mode in which the pipe system and / or the air guiding component fluidly connected or connectable to the at least one gas inlet and / or the at least one gas outlet of the air guiding component cleaning and / or waiting is that Housing interior fluidly connected to the maintenance / cleaning device or connectable.

In this context, it is conceivable if at the same time an effective flow cross-section of a fluid connection that can be realized over the at least one gas outlet of the air-conducting component is reduced or a fluid connection that can be realized via the gas outlet of the air-conducting component is separated. Alternatively, it is conceivable that at the same time an effective flow cross-section of a fluid connection which can be realized via the gas inlet is reduced or a fluid connection which can be realized via the gas inlet is separated.

The invention relates not only to an air guide component according to the aspects described above, but also to a pipe system, in particular of an aspirative fire detection and / or air monitoring system, wherein this pipe system is assigned at least one air guide component of the type according to the invention.

According to further aspects of the present invention, it further relates to a kit for cleaning and / or servicing a pipe system, in particular for cleaning and / or maintaining a gaseous media intake pipe system preferably used in an aspirative fire detection and / or air monitoring system. In this case, the kit has an adapter part for an air guiding component as well as a maintenance / cleaning device. The air guide member includes a housing having a gas inlet and a gas outlet, wherein in a normal operating mode of the air guide member, the gas inlet and the gas outlet are fluidly connected or connectable to the pipe system to form a flow path within the housing interior from the gas inlet to the gas outlet.

The housing of the air-guiding component has at least one wall region, which is embodied as a second component which is in particular detachably connected or connectable to the housing of the air-conducting component, in particular via a quick-release fastener. In the normal operating mode of the air-conducting component, the wall region is designed to close a housing opening provided in the housing, wherein the housing opening provided in the housing is, in particular, a closable service opening via which, if required, at least partial access into the housing interior of the air-conduction component can be ensured , The first and second components are designed, for example, in each case as a housing cover.

The adapter part belonging to the kit according to the invention is preferably designed and designed as a first component to cover or, in particular, close the housing opening instead of the second component as required or optionally. The adapter part embodied as a first component preferably has a connection via which the housing interior of the air-conducting component is fluidically connected or connectable to a maintenance / cleaning device if, instead of the second component, the adapter part designed as the first component covers the housing opening of the air-conducting component and in particular closes.

According to the invention, in the claimed kit it is provided, in particular, that the second component and / or the adapter part designed as the first component are preferably detachably connected or connectable to the housing of the air-conducting component, in particular by means of a quick-release device. In one embodiment, the adapter part as a quick release one or two spring clips, which are stretched around another housing portion of the Luftleitbauteils, for example, to the connections to the adjacent tubes and thereby produce a releasable clamping connection between the housing cover and the housing of the Luftleitbauteils. As a result, a particularly simple and fast attachment is realized.

In embodiments of the kit according to the invention it is provided that the terminal is associated with a closure part to demand or optionally an effective flow cross-section of a realizable via the connection flow connection between the housing interior of the air guide and the maintenance / cleaning device to reduce or demand or optionally to separate a realizable via the connection fluid connection between the housing interior of the Luftleitbauteils and the maintenance / cleaning device, when instead of running as a housing cover second component designed as a first component adapter part covers the housing opening of the Luftleitbauteils and in particular closes.

Alternatively or additionally, it is conceivable for the adapter part designed as the first component to have a shut-off element which is designed to interact with the gas inlet of the housing of the air-conducting component in such a way that an effective flow cross-section of a fluid connection between the pipe system and valve that can be realized via the gas inlet of the air-conducting component the housing interior is at least partially reduced, if instead of the second Component designed as a first component adapter part covers the housing opening of the Luftleitbauteils and in particular closes.

Furthermore, it is conceivable as an alternative or in addition to this if the adapter part embodied as the first component has a shut-off element which is designed to interact with the gas outlet of the air-conducting component in such a way that an effective flow cross-section of a fluid connection between the housing interior of the air-conducting component and the pipe system that can be realized via the gas outlet is at least reduced if instead of the second component designed as the first component adapter part covers the housing opening and in particular closes.

The adapter part can be adapted from the dimensions to various air-conducting components or kept in different sizes or dimensions in order to increase the possible applications of the adapter part for already installed, differently dimensioned air-conducting components.

The connection of the adapter part can be, for example, a threaded connection or else an example of a conical quick-coupling connection with a gate valve for selectively opening and closing the connection to the air-conducting component.

The maintenance / cleaning device belonging to the kit according to the invention comprises, for example, a vacuum or overpressure source for cleaning the pipe system. As an overpressure source, for example, a compressed air tank or compressor comes into consideration, as a vacuum source can be provided in the simplest variant, a vacuum cleaner or, for example, a vacuum pump. With a vacuum cleaner, a particularly simple and effective cleaning of the pipe system can be carried out, in addition, dissolved dirt particles are collected in a vacuum cleaner container and not discharged as through the openings in the pipe system as in the environment. The maintenance / cleaning device belonging to the kit according to the invention can also optionally have an auxiliary pipe system, hose system or another line for connecting the maintenance / cleaning device to a connection of the adapter part.

Finally, the invention also relates to a method for servicing and / or cleaning a pipe system according to the independent patent claim 13.

Accordingly, the invention thus relates in particular also to a method for servicing and / or cleaning a pipe system, in particular a suction pipe system for gaseous media preferably used in an aspirative fire detection and / or air monitoring system, said pipe system comprising an air guiding component having a housing, a gas inlet and a gas outlet, and wherein in a normal operating mode of the Luftleitbauteils or the fire detection and / or air monitoring system, the gas inlet and the gas outlet of the Luftleitbauteils are fluidly connected to the pipe system or connectable to the housing interior of the Luftleitbauteils one extending from the gas inlet to the gas outlet Forming flow path.

In the method according to the invention, provision is made in particular for the normal operating mode of the air guiding component to be convertible into a maintenance / cleaning operating mode in which the interior of the housing of the air guiding component is fluidically connected or connectable to a maintenance / cleaning device. In this maintenance / cleaning mode of operation, if necessary, air, in particular cleaning compressed air, can be supplied to the housing interior. Alternatively, it is also conceivable in the maintenance / cleaning mode of operation to suck air and any liquid and solid particles from the housing interior.

According to embodiments of the method according to the invention, it is provided that the housing of the air guiding component is opened for transferring the normal operating mode of the air guiding component into the maintenance / cleaning operating mode, the housing opening subsequently being covered and at least partially closed by an adapter part having a connection, and then the connection of the adapter part with the maintenance / cleaning device is fluidly connected to, if necessary, to blow air, in particular cleaning compressed air into the housing interior or to suck air from the housing interior.

In this context, it is conceivable if the connection is preferably associated with a closure part in order to reduce demand or optionally an effective flow cross-section of a realizable via the connection flow connection between the housing interior and the maintenance / cleaning device, or on-demand or optionally one To disconnect via the connection realizable flow connection between the housing interior and the maintenance / cleaning device.

Alternatively or additionally, it is conceivable for the gas inlet preferably to have at least one shut-off element in order to optionally or selectively reduce an effective flow cross-section of a fluid connection that can be realized via the gas inlet of the air-conducting component between the pipe system and the housing interior, or as required or optional to separate a realizable via the gas inlet of the air guide component fluid connection between the pipe system and the housing interior.

Furthermore, as an alternative or in addition to this, it may be provided that at least one shut-off element is assigned to the gas outlet of the air-conducting component in order to optionally or optionally reduce an effective flow cross-section of a fluid connection between the housing interior of the air-conducting component and the pipe system that can be realized via the gas outlet of the air-conducting component, or to separate on demand or optionally a realizable via the gas outlet fluid connection between the housing interior of the air guide and the pipe system.

In other words, the invention also relates to a method for operating an intake system for active fire detection and / or air monitoring, with a normal operating mode corresponding to a fire detection and / or air monitoring mode and a maintenance / cleaning operating mode. In the normal operating mode, air samples are routed to the detection unit via the piping system and examined herein for fire characteristics, air quality quantities or air composition. The air guide component fulfills its original function in this mode, for example as a filter component. In the maintenance / cleaning mode of operation, the air guiding component is connected to a maintenance / cleaning device, for example an overpressure source for blowing out the pipe system, a vacuum source for sucking out the pipe system or with a test gas source for testing the function of the pipe or intake system or detection unit. After completion of the maintenance work, the air guiding component is again separated from the maintenance / cleaning device. The connection of the air guiding component with the maintenance / cleaning device can be established by means of a connection fixedly arranged on the air guiding component or by means of an adapter part with a connection.

Depending on the type of maintenance work, the maintenance / cleaning operating mode comprises further process steps, for example, in the case of cleaning, the separation of the detection unit from the pipe system for protection against damage. If necessary, parts of the air guiding component can be removed in further method steps, for example a filter from the Can be taken to guide a cleaning air flow unhindered by the Luftleitbauteil and the pipe system.

Accordingly, it remains to be summarized that it is possible by the invention anyway to use in a pipe system, in particular in a pipe system of an intake system for active fire detection and / or air monitoring components as a connection to the pipe system for performing maintenance, so additional valves, ball valves , etc. can be saved. This reduces installation and installation costs and allows maintenance to be performed more quickly.

FIG. 1

schematisch eine erste exemplarische Ausführungsform eines erfindungsgemäßen Luftleitbauteils mit einem angrenzenden Rohrsystem;

FIG. 2

schematisch und in einer isometrischen Darstellung eine zweite exemplarische Ausführungsform des erfindungsgemäßen Luftleitbauteils mit einer als Adapterteil ausgeführten ersten Komponente;

FIGS. 3 bis 5

jeweils schematisch und in einer isometrischen Darstellung die zweite exemplarische Ausführungsform des erfindungsgemäßen Luftleitbauteils mit einer als Adapterteil ausgeführten ersten Komponente und einem Schnellverschluss;

FIGS. 6 und 7

schematisch und jeweils in einer isometrischen Darstellung eine als Adapterteil ausgeführte erste Komponente ohne Luftleitbauteil;

FIG. 8

schematisch die zweite exemplarische Ausführungsform des erfindungsgemäßen Luftleitbauteils in einem normalen Betriebsmodus;

FIG. 9

schematisch die zweite exemplarische Ausführungsform des erfindungsgemäßen Luftleitbauteils in einem Wartungs-/Reinigungs-Betriebsmodus;

FIG. 10

ein Zustandsdiagramm des erfindungsgemäßen Verfahrens zum Warten und/oder Reinigen eines Rohrsystems;

FIG. 11

ein Ablaufdiagramm des erfindungsgemäßen Verfahrens zum Warten und/oder Reinigen eines Rohrsystems;

FIG. 12

schematisch eine exemplarische Ausführungsform eines aspirativen Branderkennungs- und/oder Luftüberwachungssystems mit einem Rohrsystem sowie einer exemplarischen Ausführungsform des erfindungsgemäßen Luftleitbauteils.

In the following, embodiments of the invention will be explained with reference to drawings. The drawings show in:

FIG. 1

schematically a first exemplary embodiment of an inventive air guide with an adjacent pipe system;

FIG. 2

schematically and in an isometric view of a second exemplary embodiment of the invention Luftleitbauteils with a configured as an adapter part first component;

FIGS. 3 to 5

each schematically and in an isometric view of the second exemplary embodiment of the invention Luftleitbauteils with a designed as an adapter part first component and a quick release;

FIGS. 6 and 7

schematically and in each case in an isometric view of a designed as an adapter part first component without air guide component;

FIG. 8th

schematically the second exemplary embodiment of the air guide component according to the invention in a normal operating mode;

FIG. 9

schematically the second exemplary embodiment of the air guide component according to the invention in a maintenance / cleaning mode of operation;

FIG. 10

a state diagram of the method according to the invention for servicing and / or cleaning a pipe system;

FIG. 11

a flow diagram of the inventive method for servicing and / or cleaning a pipe system;

FIG. 12

schematically an exemplary embodiment of an aspirative fire detection and / or air monitoring system with a pipe system and an exemplary embodiment of the invention Luftleitbauteils.

The construction and operation of the air guiding component 1 and the first component 10 embodied as an adapter part are described below with reference to the illustrations in FIG FIG. 1 to FIG. 9 described in more detail.

Briefly summarized, the air guiding component 1 has a housing 7 with a gas inlet 12a and a gas outlet 12b, wherein the gas inlet 12a and the gas outlet 12b are fluidly connected or connectable to a pipe system associated with the air guiding component 1, consisting of tubes 2, 3 in the figures. so as to form a flow path extending from the gas inlet 12a to the gas outlet 12b inside the housing.

In addition, the air-conducting component 1 is assigned a connecting region in order to connect the housing interior of the air-conducting component 1 with a maintenance / cleaning device 22 as required or optionally.

In this case, it is advisable that the connection region has a connection 6 provided in or on a wall region 11 of the housing 7 of the air-conducting component 1, via which the interior of the housing can optionally be fluidically connected to the maintenance / cleaning device 22.

In this context, it is conceivable that the wall portion 11, in or at which the terminal 6 is provided, is designed as an integral part of the housing 7 and fixedly connected thereto.

According to an alternative thereto, however, it is provided that the wall region 11, in or on which the connection 6 is provided, can be detachably connected to the housing 7 or connectable as a wall portion 11 of a connection means 15 which is preferably designed as a quick release, designed as an adapter part is executed. As explained below with particular reference to FIG. 6 to FIG. 9 is described in more detail, the wall portion 11 of the first component 10 may be formed to close a provided in the housing 7 housing opening.

In detail shows FIG. 1 a first exemplary embodiment of the invention Luftleitbauteils 1, which is connected on two sides in terms of flow with one tube 2, 3 of a pipe system, for example, a pipe system of an intake system for active fire detection and / or air monitoring. Through the pipe 3, the air guiding component 1 and the pipe 2, an air flow is guided from a space, not shown, to a detection unit 4, for example by means of a suction unit (not shown). In the detection unit 4, the sucked-in air flow is examined for fire characteristics, for example smoke particles or combustion gases, air quality parameters or the air composition.

The air guiding component 1 is designed as a filter component in this and the following exemplary embodiments. The air guiding component 1 contains a filter insert 5 for prefiltering of coarse dirt particles from the air stream. For carrying out maintenance work on the pipe system, for example for cleaning the pipe system or for introducing a test gas for testing the function of the pipe or intake system or the detection unit 4, the housing 7 of the air guide 1 in FIG. 1 an integral and firmly connected to the housing 7 6 connection. About the terminal 6, the air guide 1 with an example in Fig. 9 shown maintenance / cleaning device 22 as an overpressure or vacuum source or a Prüfgasquelle be connected so that there is a fluid connection between the maintenance / cleaning device 22 and the pipe system.

The housing 7 of the air guiding component 1 has closable openings 8 for selectively inserting shut-off elements, for example, with a cover, not shown, in order to interrupt the fluid connection of the air guiding component 1 to the tube 2 or tube 3 or both tubes 2, 3 during the maintenance / cleaning work can. The shut-off are, for example, simple shut-off plates, which are optionally provided with a circumferential seal and This can cause a simple but reliable separation of the connection to the adjacent tube 2, 3. For introducing and holding the shut-off guides 9 are provided.

FIG. 2 shows a second exemplary embodiment of the inventive air guiding component 1 with a designed as an adapter part first component 10, which is designed in this embodiment as a detachable housing cover for an air guide component 1. The air guiding component 1 comprises a housing 7, which consists of the mutually detachable components basic housing 13 and cover housing 14. The base housing 13 comprises a gas inlet 12a and a gas outlet 12b for connection to pipes 2, 3 of a pipe system, for example an intake system for active fire detection and / or air monitoring. The air guiding component 1 may additionally include, for example, a in FIG. 1 shown filter cartridge 5 included. The first component 10 embodied as an adapter part comprises the cover housing 14, a connection 6, connection means 15 and a permanently connected shut-off element 16. The cover housing 14 is designed to match the base housing 13 of the air-conducting component 1 and closes it when connecting the base housing 13 to the cover housing 14. The connection 6 is a passage in the cover housing 14 and, for example, with a thread for connecting the connection 6 with a maintenance / cleaning device 22 or with a leading to such maintenance / cleaning device 22, in Fig. 9 shown line 23 provided. The connecting means 15 serve the detachable connection of the cover housing 14 with the base housing 13 of the air guiding component 1 and are designed in this figure as screws. The shut-off element 16 is a shut-off plate fixedly connected to the cover housing 14, which blocks the fluid connection of the air-guiding component 1 to an adjacent tube. Depending on the orientation in which the cover housing 14 is connected to the base housing 13, either the gas inlet 12a or the gas outlet 12b with the shut-off element 16 is closed. As a result, during a cleaning process, for example, the fluid connection to a mechanically sensitive detection unit 4 can be interrupted during cleaning in order to protect the detection unit 4 from damage.

The FIGS. 3 to 5 show the second exemplary embodiment of the invention Luftleitbauteils 2 with a designed as an adapter part first component 10 and here as a quick release fasteners 15, which in contrast to in FIG. 2 shown variant a faster connection of the cover housing 14 of the adapter part designed as a first component 10 with the base housing 13 of the air guide 1 enable. This is done in place of the in FIG. 2 Screw connection shown a clamping connection between the cover housing 14 and Basic housing 13 used. The clamping connection is produced with here designed as a spring clip connecting means 15 which are each stretched between a projection of the cover housing 14 and a projection of the base housing 13. In the embodiment shown, a protruding screw 17 is used as a projection of the cover housing 14 and a pipe connection 18 is used as a projection of the base housing 13. By bracing a releasable, yet reliable connection of the first component 10 can be realized with the air guide 1 in no time. Also in the FIGS. 3 to 5 can be seen connecting means 19, in this case screws, one attached to the first component 10, in the FIGS. 6 and 7 fix apparent shut-off 16.

The FIGS. 6 and 7 show the designed as an adapter part first component 10 with a designed as a spring clip quick release with dissolved connection to Luftleitbauteil 1. In these representations is in addition the fixedly connected to the first component 10 shut-off 16 to see a circumferential seal 20, which is a reliable and dense Closure of the air guide component 1 against an adjacent pipe connection provides.

The FIGS. 8 and 9 serve the understanding of the inventive method for operating a in Fig. 12 shown fire detection and / or air monitoring system 39 in an in Fig. 10 shown normal operating mode 24 and in a maintenance / cleaning operating mode 26th

FIG. 8th shows the fire detection and / or air monitoring system 39 in a normal operating mode 24 for fire detection or air monitoring. A stream of air is sucked out of a space to be monitored via pipes 2, 3 and fed to a detection unit 4 for analyzing the air flow for fire characteristics or air quality variables or the air composition. A between the tubes 2, 3 arranged air guide 1 is also traversed by the air flow. In this example, the air guiding component 1 is a filter component with a filter insert 5 for pre-filtering coarse dirt particles from the air stream. The housing 7 of the air-conducting component 1 comprises a base housing 13 and a second component 21 designed as a housing cover without connection, which are connected to one another by means of releasable connecting means 15, for example screws.

FIG. 9 shows the fire detection and / or air monitoring system 39 in a maintenance / cleaning operating mode 26. In the maintenance / cleaning operating mode 26, the air guide 1 is connected to a designed as an adapter part first component 10 by the in FIG. 8th shown, designed as a housing cover second component 21 has been removed from the Luftleitbauteil 1 and instead the cover housing 14 of the first component 10 was detachably connected by means of the connecting means 15 with the base housing 13 of the Luftleitbauteils 1. The first component 10 has a connection 6, through which the air-conducting component 1 and the connected pipe 3 are fluidly connected via a line 23 to a maintenance / cleaning device 22, for example a vacuum cleaner. By means of the shut-off element 16 firmly connected to the first component 10, however, the connection of the air-conducting component 1 to the tube 2 which is connected to the detection unit 4 is blocked. As a result, the detection unit 4 is protected during the maintenance of the pipe system from damage caused by, for example, when cleaning strong negative pressure or pressure.

FIG. 10 shows the inventive method as a state diagram. The normal operating mode 24 is an operating state of the fire detection and / or air monitoring system 39, in which it draws in an air flow from a space to be monitored and monitored by means of a detection unit 4, the air flow on fire characteristics, air quality parameters or air composition.

In the maintenance / cleaning operating mode 26, the fire detection and / or air monitoring system 39 is in a maintenance state in which it is in particular cleaned, wherein, for example, the fluid connection to the detection unit 4 is interrupted.

The transition 25 from the normal operating mode 24 to the maintenance / cleaning operating mode 26 is mainly through the establishment of a fluid connection between a maintenance / cleaning device 22 and a port 6 on an air guiding component 1 of the fire detection and / or air monitoring system 39 or between a maintenance - / Cleaning device 22, designed as an adapter part first component 10 with a terminal 6 and an air guide 1 of the fire detection and / or air monitoring system 39 characterized. For example, at the transition 25, a second component 21 of the air-conducting component 1 designed as a housing cover is released and the first component 10 designed as an adapter part is connected as a cover to a base housing 13 of the air-conducting component 1.

The transition 27 from the maintenance / cleaning mode of operation 26 to the normal mode of operation 24 is primarily through the disconnection of a fluid connection between a service / cleaning device 22 and a port 6 on an air guiding component 1 of the fire detection and / or air monitoring system 39 or between maintenance Cleaning device 22, a designed as an adapter part first component 10 with a terminal 6 and an air guide 1 of the fire detection and / or air monitoring system 39. For example, in the transition 27, the first component 10 is released as a cover and connected as a housing cover second component 21 of the air guide 1 with a base housing 13 of the air guide 1.

Fig. 11 shows an exemplary flowchart for performing the method according to the invention for servicing and / or cleaning a pipe system, in particular an aspirative fire detection and / or air monitoring system 39. The individual steps of the method will be described below.

At start 28, the process for servicing and / or cleaning the piping system is started, for example, due to the expiration of a maintenance interval, due to a fault message from the airflow monitor of the fire detection and / or air monitoring system 39 or, for example, after startup to test the fire detection and / or Air monitoring system 39 with a test gas. As a rule, the air-conduction component 1 or the fire-detection and / or air-monitoring system 39 is already in a normal operating mode 24 before starting the process 28, in which it sucks in an airflow from a space to be monitored and with the aid of a detection unit 4 the airflow monitored for fire characteristics, air quality quantities or air composition.

The steps 29, 30 and 31 serve to prepare the maintenance / cleaning step 32 and correspond to the transition 25 of the air guiding component 1 or the fire detection and / or air monitoring system 39 from a normal operating mode 24 in a maintenance / cleaning operating mode 26. In step 29, the housing 7 of the air guiding component 1 is opened by a second component 29 designed as a housing cover being detached from the base housing 13 of the air guiding component 1 by loosening or removing the connecting means 15. In step 30, the housing 7 of the air-conducting component 1 is closed by a first component 10 designed as an adapter part being placed on the base housing 13 of the air component 1 and fixed by means of the connecting means 15. At the same time, the gas inlet 12a of the air-conducting component is reduced or closed by means of a shut-off element 16 firmly connected to the first component 10 designed as an adapter part, for example to fluidly separate a detection unit 4 connected to the air-conducting component 1 via a pipe 2 from the housing interior of the air-conducting component 1. In step 31, a maintenance / cleaning device 22, For example, a compressed air source, a vacuum cleaner or a test gas source, via a line 23 to the terminal 6 of the adapter part designed as the first component 10 and thus fluidly connected to the housing interior of the Luftleitbauteils 1.

In step 32, the maintenance or cleaning is carried out, for example, by using the run as a compressed air source maintenance / cleaning device 22, the housing interior of the air guide 1 and the connected pipe 3 or pipe system are blown free, or by using for example by means of running as a vacuum cleaner maintenance / cleaning device 22, the housing interior of the air guiding component 1 and the connected pipe 3 or pipe system are sucked out, or by testing the fire detection and / or air monitoring system 39, for example, by means of the maintenance / cleaning device 22 designed as a test gas source. In step 32, the air guiding component 1 or the fire detection and / or air monitoring system 39 is in a maintenance / cleaning mode 26 in which, for example, parts of the pipe system are fluidly separated from the air guiding component 1 by means of one or more blocking elements 16 and the air guiding component 1 is over a terminal 6 is connected to the maintenance / cleaning device 22. The step 32 is terminated when the maintenance or cleaning of the pipe system and / or the air guide 1 is completely completed.

The steps 33, 34 and 35 correspond to the transition 27 of the air guiding component 1 or of the fire detection and / or air monitoring system 39 from a maintenance / cleaning operating mode 26 into a normal operating mode 24. In step 33, the maintenance / cleaning device 22, for example a Compressed air source, a vacuum cleaner or a Prüfgasquelle, separated from the terminal 6 of the designed as an adapter part first component 10 and thus separated from the housing interior of the air guide 1 fluidly.

In step 34, the housing 7 of the air guiding component 1 is opened, in that the first component 10 designed as an adapter part is released from the basic housing 13 of the air guiding component 1 by loosening or removing the connecting means 15. In step 35, the housing 7 of the air-conducting component 1 is closed by the second component 21 designed as a housing cover being placed on the base housing 13 of the air-conducting component 1 and fixed by means of the connecting means 15. Since the second component 21 does not have a shut-off element, in this step a flow path extending from the gas inlet 12a to the gas outlet 12b is again formed in the interior of the housing 7, so that the pipe system connected to the air-conducting component 1 and the further components such as the detection unit 4 again fluidly with the Air guide 1 are connected. The air guiding component 1 or the fire detection and / or air monitoring system 39 is thus in the normal operating mode 24 again at the end 36 of the method.
FIG. 12 shows a schematic representation of a pipe system of an aspirative fire detection and / or air monitoring system 39, which is assigned to a monitoring area 37. Representative of the pipe system here is a single intake pipe 3 is shown. In the illustrated embodiment, the tube 3 is mounted below the ceiling of the monitoring area 37, for example by means of pipe clamps. Intake openings 38 in the tube 3 suck air from the monitoring area 37. For this purpose, a suction unit 40, which is integrated in the fire detection and / or air monitoring system 39, is used. The suction unit 40 and the pipe system are monitored by an air flow sensor.

After the sucked-in air sample has passed the airflow sensor, it flows through a detection unit 4, which is designed, for example, as a smoke sensor or oxygen sensor, in the intake detector. The smoke sensor, for example, uses scattered light measurements to examine the intake airflow to existing smoke particles. The oxygen sensor measures the oxygen concentration of the air sample, which represents an average of the oxygen concentration in the air of the monitoring area 37. The measured value is compared with threshold values in the fire detection and / or air monitoring system 39.

As in FIG. 12 indicated schematically, the pipe system of the aspirative fire detection and / or air monitoring system 39 is associated with at least one inventive air guide 1, which may be, for example, a filter component. <B> LIST OF REFERENCES </ b> 1 air-directing 21 2nd component 2 pipe 22 Cleaning / maintenance device 3 pipe 23 management 4 detection unit 24 Normal operating mode 5 filter cartridge 25 crossing 6 connection 26 Maintenance / cleaning mode 7 casing 27 crossing 8th opening 28 begin 9 guide 29 Dismantling 2nd component 10 1st component 30 Assembly 1st component 11 wall area 31 Connection maintenance / cleaning device 12a gas inlet 32 Carry out maintenance / cleaning 12b gas outlet 33 Separation maintenance / cleaning device 13 Headers 34 Dismantling 1st component 14 cover housing 35 Assembly 2nd component 15 Lanyard 1./2. component 36 The End 16 shut-off 37 monitoring area 17 screw 38 suction 18 pipe connection 39 Fire detection / air monitoring system 19 Connecting means shut-off element 40 suction 20 poetry

Claims (14)

An air guiding component (1) for a pipe system (2, 3), in particular for a suction pipe system for gaseous media preferably used in an aspirative fire detection and / or air monitoring system (30), the air guiding component (1) having a housing (7) Gas inlet (12a) and a gas outlet (12b), wherein the gas inlet (12a) and the gas outlet (12b) are fluidly connected to the pipe system (2, 3) or connectable to form one of the gas inlet (12a) to the gas outlet (12a) 12b) extending flow path in the housing interior, wherein further a connection area is provided for on-demand or optional fluid connection of the housing interior with a maintenance / cleaning device (22). An air guide component (1) according to claim 1, wherein the connection region has a connection (6) provided in or on a wall region (11) of the housing (7), via which the housing interior or optionally with the maintenance / cleaning device (22) is fluid is connectable. An air guide member (1) according to claim 2, wherein the wall portion (11) in or at which the terminal (6) is provided is made integral with and fixedly connected to the housing (7). An air guide component (1) according to claim 2, wherein the wall region (11), in or on which the connection (6) is provided, as a wall portion (11) of a releasably connected in particular via a quick release with the housing (7) or connectable first component (10), wherein the wall region (11) of the first component (10) is designed to close a housing opening provided in the housing (7). An air guiding component (1) according to claim 4, wherein the first component (10) detachably connected or connectable to the housing (7) is interchangeable with a second component (21) which has a wall region without connection and in particular via one or more components the quick release is releasably connectable to the housing (7), wherein in a state in which the second component (21) is connected to the housing (7), the wall portion of the second component (21) provided in the housing (7) Closes housing opening. Air-conducting component (1) according to at least one of claims 2 to 5, wherein the connection (6) is associated with a closure part for on or alternatively reducing an effective flow cross-section of a via the connection (6) realizable flow connection between the housing interior and the maintenance / Cleaning device (22) or for need or optional separation of a realizable via the port (6) fluid connection between the housing interior and the maintenance / cleaning device (22). Air-conducting component (1) according to at least one of claims 1 to 6, wherein the gas inlet (12a) at least one shut-off element (16) is assigned to demand or optionally Reduce an effective flow cross-section of a via the gas inlet (12a) realizable flow connection between the pipe system ( 2, 3) and the interior of the housing or for the requirement or optional separation of a via the gas inlet (12a) realizable flow connection between the pipe system (2, 3) and the housing interior;
and or
wherein at least one shut-off element (16) is associated with the gas outlet (12b) for selectively or alternatively reducing an effective flow cross-section of a fluid connection between the housing interior and the pipe system (2, 3) that can be realized via the gas outlet (12b) or as required or optional Separate a via the gas outlet (12b) feasible fluid connection between the housing interior and the pipe system (2, 3). An air guide component (1) according to claim 7, wherein the housing (7) has at least one opening (8) associated with the at least one shut-off element (16), via which the at least one shut-off element (16) can be inserted at least in regions for reducing or reducing one or more of them effective flow cross-section of a via the gas outlet (12b) and the gas inlet (12a) feasible fluid connection between the housing interior and the pipe system (2, 3) or for need or optional separation of a gas outlet (12b) and the gas inlet (12a ) realizable flow connection between the housing interior and the pipe system (2, 3). Air guiding component (1) according to at least one of claims 1 to 8, wherein the housing (7) is designed to receive at least one filter element (5), preferably interchangeably, in its housing interior, wherein the at least one filter element (5) can be accommodated in the housing interior in such a manner, in a normal operating mode (24) of the air guiding component (1), the flow path extending from the gas inlet (12a) to the gas outlet (12b) runs at least partially through the at least one filter element (5) accommodated inside the housing; Cleaning operating mode (26) of the Luftleitbauteils (1), in which with the gas inlet (12a) and / or the gas outlet (12b) fluidly connected or connectable pipe system (2, 3) and / or the Luftleitbauteil 1 to clean and / or is to be maintained, the housing interior is fluidly connected to the maintenance / cleaning device (22), while at the same time an effective flow cross-section over the Gas outlet (12b) feasible fluid communication reduced or a realizable via the gas outlet (12b) flow connection is separated, and / or while an effective flow cross-section of a realizable via the gas inlet (12a) fluid connection reduced or via the gas inlet (12a) feasible fluid connection is disconnected. Pipe system (2, 3) of an aspirative fire detection and / or air monitoring system (30) with at least one air guiding component (1) according to one of claims 1 to 9. Kit for cleaning and / or servicing a pipe system (2, 3), in particular for cleaning and / or maintaining a gaseous media intake pipe system preferably used in an aspirative fire detection and / or air monitoring system (30), the kit comprising an adapter part for an air guiding component (1) and a maintenance / cleaning device (22), wherein the air guiding component (1) has a housing (7) with a gas inlet (12a) and a gas outlet (12b), wherein in a normal operating mode (24) of the air guiding component (1) the gas inlet (12a) and the gas outlet (12b) fluidically connected to the pipe system (2, 3) or connectable to form a flow path extending from the gas inlet (12a) to the gas outlet (12b) inside the housing, the housing (7) having a wall region (11) serving as a wall region ( 11) a second component (21) which is detachably connected to the housing (7) and can be connected in particular via a quick-release fastener and is designed in particular as a housing cover, the second component (21) being designed in the normal operating mode (24) of the air-conduction component ( 1) to close a housing opening provided in the housing (7), - Wherein the adapter part is designed and constructed as a first component (10), instead of the second component (21) as required or optionally to cover the housing opening and in particular to close, wherein the adapter part has a connection (6) on the demand or optionally the housing interior with the maintenance / cleaning device (22) is fluidly connectable, if instead of the second component (21) as the first component (10) running adapter part covers the housing opening and in particular closes, - Wherein the second component (21) and / or as the first component (10) running adapter part is preferably detachably connected to the housing (7) or connectable / is, in particular by means of a quick-closing device. Kit according to claim 11,
wherein the connection (6) is associated with a closure part for demand or optionally reducing an effective flow cross-section of a realizable via the port (6) flow connection between the housing interior and the maintenance / cleaning device (22) or for need or optional separation of a the port (6) realizable flow connection between the housing interior and the maintenance / cleaning device (22) when instead of the housing cover designed as a second component (21) designed as the first component (10) adapter part covers the housing opening and in particular closes;
and or
wherein the adapter part embodied as the first component (10) has a shut-off element (16) which is designed to interact with the gas inlet (12a) in such a way that an effective flow cross-section of a fluid connection that can be realized via the gas inlet (12a) between the pipe system (2, 3) and the housing interior is at least reduced if instead of the second component (21) as the first component (10) running adapter part covers the housing opening and in particular closes;
and or
wherein the adapter part embodied as first component (10) has a shut-off element (16) which is designed to interact with the gas outlet (12b) such that an effective flow cross-section of a fluid connection between the housing interior and the pipe system that can be realized via the gas outlet (12b) (2, 3) is at least reduced if, instead of the second component (21) as the first Component (10) running adapter part covers the housing opening and in particular closes. Method for maintaining and / or cleaning a pipe system (2, 3), in particular a suction pipe system for gaseous media preferably used in an aspirative fire detection and / or air monitoring system (30), wherein the pipe system (2, 3) comprises an air guiding component (1 ) having a housing (7), a gas inlet (12a) and a gas outlet (12b), wherein in a normal operating mode (24) of the air guiding component (1) the gas inlet (12a) and the gas outlet (12b) are in fluid communication with the pipe system (12). 2, 3) are connected or connectable to form a flow path in the housing interior extending from the gas inlet (12a) to the gas outlet (12b), the method comprising the following method steps: Transferring the normal operating mode (24) of the air guiding component (1) into a maintenance / cleaning operating mode (26), in which the interior of the housing is fluidically connected to a maintenance / cleaning device (22); and - On-demand blowing of air or other gaseous media and / or aerosols or suction of air, liquid and / or solid particles from the housing interior via the maintenance / cleaning device (22). Method according to claim 13,
wherein for transferring the normal operating mode (24) of the air guiding component (1) into the maintenance / cleaning operating mode (26), the housing (7) of the air guiding component (1) is opened, then the housing opening with an adapter part having a connection (6) is covered and at least partially closed and then the connection (6) of the adapter part with the maintenance / cleaning device (22) is fluidly connected;
wherein the connection (6) is preferably associated with a closure part for demand or optionally reducing an effective flow cross-section of a via the connection (6) realizable flow connection between the housing interior and the Maintenance / cleaning device (22) or for the optional or optional separation of a fluid connection between the housing interior and the maintenance / cleaning device (22) that can be realized via the connection (6);
and or
wherein the gas inlet (12a) preferably at least one shut-off element (16) is assigned to demand or selectively reduce an effective flow cross-section of a realizable via the gas inlet (12a) fluid connection between the pipe system (2, 3) and the housing interior or demand or optionally separating a fluid connection, which can be realized via the gas inlet (12a), between the pipe system (2, 3) and the housing interior;
and or
wherein the gas outlet (12b) is preferably associated with at least one shut-off element (16) for reducing or reducing an effective flow cross-section of a flow connection between the housing interior and the pipe system (2, 3) that is realizable via the gas outlet (12b) or as required or optionally separating a fluid connection between the housing interior and the pipe system (2, 3) that can be realized via the gas outlet (12b).

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