EP0849009B1 - Fume hood - Google Patents

Fume hood Download PDF

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Publication number
EP0849009B1
EP0849009B1 EP97121349A EP97121349A EP0849009B1 EP 0849009 B1 EP0849009 B1 EP 0849009B1 EP 97121349 A EP97121349 A EP 97121349A EP 97121349 A EP97121349 A EP 97121349A EP 0849009 B1 EP0849009 B1 EP 0849009B1
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EP
European Patent Office
Prior art keywords
sliding window
fact
cable
belt
vent according
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
EP97121349A
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German (de)
French (fr)
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EP0849009A2 (en
EP0849009A3 (en
Inventor
Jürgen Liebsch
Stefan Keldenich
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.)
Waldner Laboreinrichtungen GmbH and Co KG
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Waldner Laboreinrichtungen GmbH and Co
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Publication of EP0849009A2 publication Critical patent/EP0849009A2/en
Publication of EP0849009A3 publication Critical patent/EP0849009A3/en
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Publication of EP0849009B1 publication Critical patent/EP0849009B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • B08B15/023Fume cabinets or cupboards, e.g. for laboratories
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Type of wing
    • E05Y2900/132Doors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Type of wing
    • E05Y2900/148Windows
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/40Damper positions, e.g. open or closed

Definitions

  • the invention relates to a trigger with a vertical movable sliding window for opening and closing the work area in the trigger that hangs on at least one counterweight is and via a rope or connected to the sliding window belt-like drive device is driven, and with at least a position measuring and arranged on the sliding window Monitoring device.
  • the sliding window is usually that runs vertically from top to bottom, via double guides Ropes connected to one or more counterweights, to keep it in balance.
  • the reason for the double rope guide is that if a rope breaks, the second rope keeps the sliding window in balance.
  • Control devices can be provided that the sliding window close automatically if the trigger is not being worked on. So that the sliding window does not during the automatic shutdown is damaged, is at the bottom of the sliding window Sensor, for example in the form of a light barrier, is provided, which monitors the space below the lower edge of the sliding window.
  • a sensor consists of a transmit and a Receiver section with separate supply and signal lines are attached to the trigger.
  • a sensor is also provided that covers the area monitored under the bottom edge of the sliding window, more must be Cable for the transmitter part and the receiver part, i.e. power cable and signal cables can be provided.
  • the object underlying the invention is therefore in making a deduction of the type mentioned at the beginning, that it has a smaller number of ropes, straps or lines gets along.
  • the rope or belt-like drive device thus as an electrical signal and supply line.
  • the electrical wires that are used in a normal deduction lead to the measuring device are no need for this training hence the electrical wires that are used in a normal deduction lead to the measuring device.
  • the sliding window is preferably on the rope or belt-like drive device suspended from the counterweight.
  • This training has the further advantage that the two Ropes are unnecessary, which with the usual deductions, the sliding window Hang up counterweights.
  • a additional rope or an additional strap for hanging the Sliding window on a counterweight parallel to the rope or belt-like drive device can be provided.
  • the detector is preferably in the sliding window frame built-in.
  • the training according to the invention thus have the advantage a significantly smaller number of connections and connections to the movable sliding window, so the danger it is less that cables, ropes or belts are jammed or damaged or be sheared off. Fitting the trigger, in particular the electrical and mechanical connections to the sliding window, is due to the smaller number of such connections much easier.
  • Fig. 1 and 2 of the drawing has a fume cupboard on an interior or work space, which is usually at the front through a vertically movable sliding window 1 can be opened and closed.
  • the sliding window 1 is on a toothed belt 2 on one Counterweight 9 suspended, the U-shaped via pulleys 3 and 4 is led.
  • a drive motor 5 acts on the toothed belt 2, its driving force via the toothed belt on the sliding window 1 is transmitted to move this up and down.
  • the drive motor 5 is provided with a clutch, so that it is only actuated Coupling engages timing belt 2. When not activated Coupling, the toothed belt 2 is freely movable. Because of the timing belt 2, the drive motor 5 at any point be clicked.
  • the sliding window 1 can on both sides be hung a timing belt in this way.
  • the toothed belt 2 is with especially wedge-like teeth 12 and provided by a soul 13 made of an electrically conductive material, for example Reinforced steel core.
  • a V-belts or a rope with an electrically conductive core are provided his.
  • the sliding window is 1 a terminal 11 is provided which is electrically connected to the soul 13 of the toothed belt 2 is connected. Likewise is on Counterweight 9, a terminal 10 is provided to the one Trailing cable 8 is connected to a current terminal 7 leads.
  • the terminal 11 on the sliding window 1 has electrical Taps on the output signals and the supply voltages for the sensor, which is not shown in FIG. 2 is shown and on the underside of the sliding window 1 Monitoring of the room below the lower edge of the sliding window 1 is provided.
  • the supply voltage and the output signals are corresponding to the soul 13 of the toothed belt 2 Evaluation and control devices supplied, which may provide a drive interruption of the drive motor 5 if there is an obstacle in the room below the window edge or the sliding window has reached its lowest position, so that it is not damaged when shutting down.
  • a rotary encoder 6 provided of information about the vertical position of the sliding window 1 on the toothed belt 2.
  • This Encoder 6 can, for example, be designed so that it is a has a driven roller during the passage of the toothed belt 2, about their number of rotations to the vertical position of the Sliding window 1 can be closed.
  • the encoder 6 is connected via stationary electrical cables. The electrical Signals from the detectors and sensors are also sent over the trailing cable 8 to signal terminals on the top of the Deduction led.
  • detectors in particular switches or Pushbuttons built in, which provide information about the horizontal Deliver position of the cross slide 14. This information will likewise via the electrically conductive core of the toothed belt 2 passed on.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

The room has a power driven vertical sliding door (1) which hangs from two mechanically linked pulley wheels (3) on parallel ropes or belts (2) with counterbalance weights (9). A detector, which is built into the door frame, monitors the position of the door. The vertical sliding window carries power driven horizontal sliding windows (14) and detector, built into the door frame, to monitor the position of the windows. The rope or belt has a conductive reinforcing core which carries power for the drive motors and signals from the position detectors.

Description

Die Erfindung betrifft einen Abzug mit einem vertikal bewegbaren Schiebefenster zum Öffnen und Schließen des Arbeitsraumes im Abzug, das an wenigstens einem Gegengewicht aufgehängt ist und über eine mit dem Schiebefenster verbundene seil- oder riemenartige Antriebseinrichtung angetrieben wird, und mit wenigstens einer am Schiebefenster angeordneten Positionsmeß- und Überwachungseinrichtung.The invention relates to a trigger with a vertical movable sliding window for opening and closing the work area in the trigger that hangs on at least one counterweight is and via a rope or connected to the sliding window belt-like drive device is driven, and with at least a position measuring and arranged on the sliding window Monitoring device.

Ein derartiger Abzug ist Bestandteil des auf den Markt erhältlichen Laborsystems VARIOLAB der Firma Waldner Laboreinrichtungen.Such a deduction is part of the market available VARIOLAB laboratory system from Waldner Laboreinrichtung.

Üblicherweise ist bei einem derartigen Abzug das Schiebefenster, das vertikal von oben nach unten läuft, über doppeltgeführte Seile mit einem oder mehreren Gegengewichten verbunden, um es in der Balance zu halten. Der Grund für die doppelte Seilführung besteht darin, daß dann, wenn ein Seil reißen sollte, das zweite Seil das Schiebefenster weiter in der Balance hält.With such a fume cupboard, the sliding window is usually that runs vertically from top to bottom, via double guides Ropes connected to one or more counterweights, to keep it in balance. The reason for the double rope guide is that if a rope breaks, the second rope keeps the sliding window in balance.

Bei dem bekannten Abzug können zur Energieeinsparung weiterhin Steuereinrichtungen vorgesehen sein, die das Schiebefenster automatisch schließen, wenn am Abzug nicht gearbeitet wird. Damit das Schiebefenster beim automatischen Herunterfahren nicht beschädigt wird, ist an der Unterseite des Schiebefensters ein Sensor beispielsweise in Form einer Lichtschranke, vorgesehen, der den Raum unterhalb der Unterkante des Schiebefensters überwacht. Ein derartiger Sensor besteht aus einem Sende- und einem Empfangsteil, die mit separaten Versorgungs- und Signalleitungen am Abzug angebracht sind.In the known deduction can continue to save energy Control devices can be provided that the sliding window close automatically if the trigger is not being worked on. So that the sliding window does not during the automatic shutdown is damaged, is at the bottom of the sliding window Sensor, for example in the form of a light barrier, is provided, which monitors the space below the lower edge of the sliding window. Such a sensor consists of a transmit and a Receiver section with separate supply and signal lines are attached to the trigger.

Um den Abzug noch energiesparender zu betreiben, wird weiterhin beim Schließen des Schiebefensters die zugeführte Luftmenge verringert, wozu ein Detektor für die vertikale Fensterposition vorgesehen ist. Dieser kann aus einem Seilzugwegaufnehmer bestehen, der beim Schließen des Schiebefensters ein Seil aus einer Rolle herauszieht, wobei über die Anzahl der Drehungen der Rolle auf die vertikale Position des Schiebefensters geschlossen werden kann. Sind neben dem vertikalen Schiebefenster auch horizontale Querschieber im Abzug eingesetzt, können weitere Schalter eingebaut sein, die die Position derartiger Querschieber erfassen. Auch hierfür sind eigene Taster mit zugehörigen Zuleitungen vorgesehen. Eine derartige Ausbildung mit horizontalen Querschiebern ist aus der US-PS 4 893 551 bekannt.To operate the fume cupboard even more energy-saving, we will continue the amount of air supplied when closing the sliding window reduced, including a detector for the vertical window position is provided. This can consist of a cable travel sensor consist of a rope when closing the sliding window pulls out a roll, the number of rotations of the Roller closed on the vertical position of the sliding window can be. In addition to the vertical sliding window, there are also horizontal ones Cross slide inserted in the fume cupboard can be used for additional switches be installed, the position of such cross slide to capture. Here too there are separate buttons with associated supply lines intended. Such training with horizontal Cross slide is known from US Pat. No. 4,893,551.

Ein Abzug mit dem oben beschriebenen Aufbau ist insofern als nachteilig anzusehen, als eine große Anzahl von Seilen, Riemen und elektrischen Leitungen für die verschiedenen Einrichtungen am Schiebefenster vorgesehen sein muß.A deduction with the structure described above is insofar to be considered disadvantageous, as a large number of ropes, Belts and electrical lines for the various facilities must be provided on the sliding window.

Das heißt im einzelnen, daß für die Aufhängung des Schiebefensters an den Gegengewichten zwei Seile benötigt werden, ein weiteres Antriebsseil oder ein Antriebsriemen zum Antreiben des Schiebefensters erforderlich ist und der Antriebsmotor ein elektrisches Stromversorgungskabel benötigt. Die Führung einer großen Anzahl von Seilen, Riemen und Kabeln an einem bewegten Schiebefenster bei engen Platzverhältnissen ist erkennbar problematisch.That means in detail that for the suspension of the sliding window two ropes are required on the counterweights, one another drive cable or a drive belt to drive the Sliding window is required and the drive motor is an electric one Power supply cable required. The leadership of a big one Number of ropes, straps and cables on one moving Sliding windows in confined spaces are clearly problematic.

Wenn weiterhin ein Sensor vorgesehen ist, der den Bereich unter der Unterkante des Schiebefensters überwacht, müssen weitere Kabel für den Senderteil und den Empfängerteil, d.h. Versorgungskabel und Signalkabel vorgesehen sein.If a sensor is also provided that covers the area monitored under the bottom edge of the sliding window, more must be Cable for the transmitter part and the receiver part, i.e. power cable and signal cables can be provided.

Die Anordnung eines Detektors für die Position des Schiebefensters beispielsweise in Form eines Seilzugwegaufnehmers macht es erforderlich, noch ein weiteres Seil vorzusehen und für den Detektor selbst entsprechende Leitungen zur Stromversorgung und zur Führung des Ausgangssignals anzuordnen.The arrangement of a detector for the position of the sliding window for example in the form of a cable travel transducer it is necessary to provide another rope and for the Detector itself corresponding lines for power supply and to be arranged to guide the output signal.

Die der Erfindung zugrunde liegende Aufgabe besteht daher darin, einen Abzug der eingangs genannten Art so auszubilden, daß er mit einer geringeren Anzahl von Seilen, Riemen oder Leitungen auskommt.The object underlying the invention is therefore in making a deduction of the type mentioned at the beginning, that it has a smaller number of ropes, straps or lines gets along.

Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, daß die seil- oder riemenartige Antriebseinrichtung durch eine Seele aus einem elektrisch leitenden Material verstärkt ist, an die die Meßeinrichtung elektrisch angeschlossen ist.This object is achieved according to the invention in that the rope or belt-like drive device by a soul is reinforced from an electrically conductive material to which the measuring device is electrically connected.

Bei der erfindungsgemäßen Ausbildung dient die seil- oder riemenartige Antriebseinrichtung somit als elektrische Signal- und Versorgungsleitung. Bei dieser Ausbildung erübrigen sich somit die elektrischen Leitungen, die bei einem üblichen Abzug zur Meßeinrichtung führen.In the training according to the invention, the rope or belt-like drive device thus as an electrical signal and supply line. There is no need for this training hence the electrical wires that are used in a normal deduction lead to the measuring device.

Das Schiebefenster ist vorzugsweise über die seil- oder riemenartige Antriebseinrichtung am Gegengewicht aufgehängt. Diese Ausbildung hat den weiteren Vorteil, daß sich die beiden Seile erübrigen, die bei üblichen Abzügen das Schiebefenster an Gegengewichten aufhängen. Erfindungsgemäß kann allerdings ein zusätzliches Seil oder ein zusätzlicher Riemen zum Aufhängen des Schiebefensters an einem Gegengewicht parallel zur seil- oder riemenartigen Antriebseinrichtung vorgesehen sein.The sliding window is preferably on the rope or belt-like drive device suspended from the counterweight. This training has the further advantage that the two Ropes are unnecessary, which with the usual deductions, the sliding window Hang up counterweights. According to the invention, however, a additional rope or an additional strap for hanging the Sliding window on a counterweight parallel to the rope or belt-like drive device can be provided.

Bei einem weiteren Ausführungsbeispiel der Erfindung mit am Schiebefenster vorgesehenen horizontalen Querschiebern und wenigstens einem Detektor für die horizontale Position der Querschieber gibt der Detektor die Information über die horizontale Position der Querschieber elektrisch über die Seele der seil- oder riemenartigen Antriebseinrichtung weiter. Bei diesem Ausführungsbeispiel erübrigen sich die bei den üblichen Abzügen vorgesehenen elektrischen Zu- und Ableitungen, d.h. die Versorgungsleitung und die Ausgangssignalleitung des Detektors.In a further embodiment of the invention with on Sliding window provided horizontal cross slides and at least a detector for the horizontal position of the cross slide the detector gives the information about the horizontal Position of the cross slide electrically over the core of the cable or belt-like drive device further. In this embodiment there is no need for the usual deductions provided electrical supply and discharge lines, i.e. the supply line and the output signal line of the detector.

Vorzugsweise ist der Detektor in den Schiebefensterrahmen eingebaut.The detector is preferably in the sliding window frame built-in.

Wenn schließlich ein Sensor zum Überwachen des Raumes unter der Unterkante des Schiebefensters vorgesehen ist, so ist auch dieser elektrisch mit der Seele der seil- oder riemenartigen Antriebseinrichtung verbunden, so daß diese als elektrische Stromversorgungs- und Ausgangssignalleitung dient. Durch diese Ausbildung erübrigen sich die üblicherweise bei einem derartigen Sensor notwendigen Empfangs- und Ausgangssignalleitungen.Finally, if a sensor to monitor the room below the lower edge of the sliding window is provided, so is this electrically with the soul of the rope or belt-like Drive device connected so that this as an electrical Power supply and output signal line is used. Through this Training is usually unnecessary in such a Sensor necessary receive and output signal lines.

Wenn schließlich ein weiterer Detektor für die vertikale Position des Schiebefensters vorgesehen ist, der an einem Zahnriemen als Antriebseinrichtung formschlüssig angreift, erübrigen sich bewegte Zu- und Ableitungen.When finally another detector for the vertical Position of the sliding window is provided on a toothed belt acts positively as a drive device, superfluous moving feed and discharge lines.

Die erfindungsgemäßen Ausbildungen haben somit den Vorteil einer wesentlichen geringeren Anzahl von Verbindungen und Anschlüssen zum beweglichen Schiebefenster, so daß die Gefahr geringer ist, daß Kabel, Seile oder Riemen eingeklemmt, beschädigt oder abgeschert werden. Die Montage des Abzuges, insbesondere der elektrischen und mechanischen Verbindungen zum Schiebefenster, ist aufgrund der geringeren Anzahl derartiger Verbindungen wesentlich einfacher.The training according to the invention thus have the advantage a significantly smaller number of connections and connections to the movable sliding window, so the danger it is less that cables, ropes or belts are jammed or damaged or be sheared off. Fitting the trigger, in particular the electrical and mechanical connections to the sliding window, is due to the smaller number of such connections much easier.

Im folgenden wird anhand der zugehörigen Zeichnung ein besonders bevorzugtes Ausführungsbeispiel der Erfindung näher beschrieben. Es zeigen

  • Fig. 1 in einer perspektivischen Ansicht das Ausführungsbeispiel des erfindungsgemäße Abzuges,
  • Fig. 2 eine schematische Schnittansicht durch den Arbeitsraum des Abzuges mit darin geführtem Schiebefenster,
  • Fig. 3 eine Schnittansicht des Zahnriemens bei dem in Fig. 1 dargestellten Abzug und
  • Fig. 4 eine Schnittansicht des Zahnriemens bei dem in Fig. 1 dargestellten Abzug mit daran angeordneten elektrischen Anschlüssen.
  • A particularly preferred exemplary embodiment of the invention is described in more detail below with reference to the accompanying drawing. Show it
  • 1 is a perspective view of the embodiment of the trigger according to the invention,
  • 2 is a schematic sectional view through the work space of the fume cupboard with sliding window guided therein,
  • Fig. 3 is a sectional view of the timing belt in the trigger shown in Fig. 1 and
  • Fig. 4 is a sectional view of the toothed belt in the trigger shown in Fig. 1 with electrical connections arranged thereon.
  • Wie es in Fig. 1 und 2 der Zeichnung dargestellt ist, weist ein Abzug einen Innen- oder Arbeitsraum auf, der üblicherweise an seiner Vorderseite durch ein vertikal bewegliches Schiebefenster 1 geöffnet und geschlossen werden kann.As shown in Fig. 1 and 2 of the drawing, has a fume cupboard on an interior or work space, which is usually at the front through a vertically movable sliding window 1 can be opened and closed.

    Das Schiebefenster 1 ist über einen Zahnriemen 2 an einem Gegengewicht 9 aufgehängt, der über Umlenkrollen 3 und 4 U-förmig geführt ist. Am Zahnriemen 2 greift ein Antriebsmotor 5 an, dessen Antriebskraft über den Zahnriemen auf das Schiebefenster 1 übertragen wird, um dieses auf- und abzubewegen. Der Antriebsmotor 5 ist mit einer Kupplung versehen, so daß er nur bei betätigter Kupplung am Zahnriemen 2 angreift. Bei nicht betätigter Kupplung ist der Zahnriemen 2 frei bewegbar. Aufgrund des Zahnriemens 2 kann der Antriebsmotor 5 an einer beliebigen Stelle angeklinkt werden.The sliding window 1 is on a toothed belt 2 on one Counterweight 9 suspended, the U-shaped via pulleys 3 and 4 is led. A drive motor 5 acts on the toothed belt 2, its driving force via the toothed belt on the sliding window 1 is transmitted to move this up and down. The drive motor 5 is provided with a clutch, so that it is only actuated Coupling engages timing belt 2. When not activated Coupling, the toothed belt 2 is freely movable. Because of the timing belt 2, the drive motor 5 at any point be clicked.

    Das Schiebefenster 1 kann auf beiden Seiten jeweils über einen Zahnriemen in dieser Weise aufgehängt sein.The sliding window 1 can on both sides be hung a timing belt in this way.

    Wie es in Fig. 3 dargestellt ist, ist der Zahnriemen 2 mit insbesondere keilartigen Zähnen 12 versehen und durch eine Seele 13 aus einem elektrisch leitenden Material beispielsweise eine Stahlseele verstärkt. Statt dieses Zahnriemens kann auch ein Keilriemen oder ein Seil mit elektrisch leitender Seele vorgesehen sein.As shown in Fig. 3, the toothed belt 2 is with especially wedge-like teeth 12 and provided by a soul 13 made of an electrically conductive material, for example Reinforced steel core. Instead of this timing belt you can also use a V-belts or a rope with an electrically conductive core are provided his.

    Wie es in Fig. 2 dargestellt ist, ist am Schiebefenster 1 eine Anschlußklemme 11 vorgesehen, die elektrisch mit der Seele 13 des Zahnriemens 2 in Verbindung steht. Gleichfalls ist am Gegengewicht 9 eine Anschlußklemme 10 vorgesehen, an die ein Schleppkabel 8 angeschlossen ist, das zu einer Stromklemme 7 führt. As shown in FIG. 2, the sliding window is 1 a terminal 11 is provided which is electrically connected to the soul 13 of the toothed belt 2 is connected. Likewise is on Counterweight 9, a terminal 10 is provided to the one Trailing cable 8 is connected to a current terminal 7 leads.

    Die Anschlußklemme 11 am Schiebefenster 1 weist elektrische Abgriffe auf, über die die Ausgangssignale und die Versorgungsspannungen für den Sensor geführt werden, der in Fig. 2 nicht dargestellt ist und an der Unterseite des Schiebefensters 1 zur Überwachung des Raumes unterhalb der Unterkante des Schiebefensters 1 vorgesehen ist. Die Versorgungsspannung sowie die Ausgangssignale werden über die Seele 13 des Zahnriemens 2 entsprechenden Auswerte- und Steuereinrichtungen zugeführt, die ggf. für eine Antriebsunterbrechung des Antriebsmotors 5 sorgen, wenn ein Hinternis im Raum unterhalb der Fensterkante vorhanden ist oder das Schiebefenster seine unterste Stellung erreicht hat, damit dieses beim Herunterfahren nicht beschädigt wird.The terminal 11 on the sliding window 1 has electrical Taps on the output signals and the supply voltages for the sensor, which is not shown in FIG. 2 is shown and on the underside of the sliding window 1 Monitoring of the room below the lower edge of the sliding window 1 is provided. The supply voltage and the output signals are corresponding to the soul 13 of the toothed belt 2 Evaluation and control devices supplied, which may provide a drive interruption of the drive motor 5 if there is an obstacle in the room below the window edge or the sliding window has reached its lowest position, so that it is not damaged when shutting down.

    Wie es weiterhin in Fig. 2 dargestellt ist, ist ein Drehgeber 6 vorgesehen, der eine Information über die vertikale Position des Schiebefensters 1 am Zahnriemen 2 abgreift. Dieser Drehgeber 6 kann beispielsweise so ausgebildet sein, daß er eine beim Durchlauf des Zahnriemens 2 angetriebene Rolle aufweist, über deren Anzahl an Drehungen auf die vertikale Stellung des Schiebefenters 1 geschlossen werden kann. Der Drehgeber 6 ist über stationäre elektrische Leitungen angeschlossen. Die elektrischen Signale der Detektoren und Sensoren werden gleichfalls über das Schleppkabel 8 zu Signalklemmen an der Oberseite des Abzugs geführt.As further shown in Fig. 2 is a rotary encoder 6 provided of information about the vertical position of the sliding window 1 on the toothed belt 2. This Encoder 6 can, for example, be designed so that it is a has a driven roller during the passage of the toothed belt 2, about their number of rotations to the vertical position of the Sliding window 1 can be closed. The encoder 6 is connected via stationary electrical cables. The electrical Signals from the detectors and sensors are also sent over the trailing cable 8 to signal terminals on the top of the Deduction led.

    Wie es in Fig. 1 weiterhin dargestellt ist, sind am vertikalen Schiebefenster 1 horizontale Querschieber 14 vorgesehen, so daß der Zugang zum Arbeitsraum entweder durch eine vertikale Schiebebewegung des Schiebefensters 1 oder durch eine horizontale Schiebebewegung der Querschieber 14 möglich ist. Da sich dann, wenn beide Querschieber 14 zur selben Seite horizontal verschoben werden, die Kräftebilanz ändert und daher das Schiebefenster 1 aus der Horizontalen geneigt werden kann, ist bei dem in Fig. 1 dargestellten Ausführungsbeispiel auf beiden Seiten jeweils eine Aufhängung an einem Gegengewicht 9 vorgesehen und sind die vorderen Umlenkrollen 3 an der Oberseite des Abzuges mit einer Koppelachse 15 verbunden, die diese beiden Umlenkrollen 3 mechanisch starr miteinander koppelt. Da die Verbindungen zwischen dem Schiebefenster 2 und dem Gegengewicht 9 aus formschlüssigen Zahnriemen 2 bestehen und somit die Umlenkrollen 3 Zahnrollen sind, kann mit dieser starren Kopplung verhindert werden, daß sich das Schiebefenster 1 bei einer Bewegung der horizontalen Querschieber 14 oder aufgrund eines seitlichen Zuges des Antriebsmotors 5 schräg stellt.As is further shown in Fig. 1, vertical Sliding window 1 horizontal cross slide 14 provided, so that access to the work space either through a vertical Sliding movement of the sliding window 1 or by a horizontal Sliding movement of the cross slide 14 is possible. That I then when both cross slide 14 to the same side horizontally be moved, the balance of forces changes and therefore the sliding window 1 can be inclined from the horizontal is at the embodiment shown in Fig. 1 on both sides one suspension each is provided on a counterweight 9 and are the front pulleys 3 at the top of the trigger connected to a coupling axis 15 which these two deflection rollers 3 mechanically rigidly coupled. Because the connections between the sliding window 2 and the counterweight 9 consist of positive toothed belts 2 and thus the pulleys 3 sprockets can be prevented with this rigid coupling be that the sliding window 1 during a movement the horizontal cross slide 14 or due to a lateral Train of the drive motor 5 obliquely.

    In den Schiebefensterrahmen insbesondere in den Holm der Querschieber 14 sind Detektoren, insbesondere Schalter oder Taster eingebaut, die eine Information über die horizontale Position der Querschieber 14 liefern. Diese Information wird gleichfalls über die elektrisch leitende Seele des Zahnriemens 2 weitergegeben.In the sliding window frame in particular in the spar of Cross slide 14 are detectors, in particular switches or Pushbuttons built in, which provide information about the horizontal Deliver position of the cross slide 14. This information will likewise via the electrically conductive core of the toothed belt 2 passed on.

    In Fig. 4 sind im einzelnen die Anschlußklemme 11 und die Anschlußklemme 10, die am Schiebefenster 1 einerseits und am Gegengewicht 9 andererseits vorgesehen sind, dargestellt.4, the terminal 11 and the Terminal 10, the one on the sliding window 1 and Counterweight 9 are provided on the other hand, shown.

    Bei einem Abzug mit dem oben beschriebenen Aufbau werden elektrische und mechanische Informationen über ein einziges Übertragungsmedium, nämlich die seil- oder riemenartige Antriebseinrichtung, z.B. einen Zahnriemen übertragen, der für die oben beschriebenen Funktionen sorgt und die dafür erforderlichen Signale führt. Die Seele der seil- oder riemenartigen Arbeitseinrichtung besteht zu diesem Zweck aus mehreren elektrischen Kabeln, die als Versorgungs- oder Signalleitungen dienen. Dadurch reduziert sich die Anzahl der für diese Funktionen benötigten Bauteile, der Platzbedarf zur Erfüllung dieser Funktionen sowie der Montageaufwand. Spezialteile z.B. Kunststoffspritzteile in verwendungsfertigem Zustand sind nicht mehr vorgesehen.In a deduction with the structure described above electrical and mechanical information on a single Transmission medium, namely the rope or belt-like drive device e.g. transferred a timing belt, which for the functions described above and the necessary Signals. The soul of the rope or belt-like work equipment for this purpose consists of several electrical Cables that serve as supply or signal lines. Thereby the number of those required for these functions is reduced Components, the space required to fulfill these functions as well as the assembly effort. Special parts e.g. Injection molded plastic parts ready for use are no longer provided.

    Durch die Verwendung einer seil- oder riemenartigen Antriebseinrichtung mit elektrisch leitender Seele statt elektrischer Kabel sind Beschädigungen des Signalweges ausgeschlossen. Da ein einziges Übertragungsmedium mit komprimierter Funktionalität vorgesehen ist, ergibt sich ein geringerer Platzbedarf, so daß die Gefahr, signalführende Teile einzuklemmen, zu beschädigen oder abzuscheren, nicht mehr besteht.Through the use of a rope or belt-like drive device with an electrically conductive core instead of an electrical one Cable damage to the signal path is excluded. Because a single transmission medium with compressed functionality is provided, there is a smaller space requirement, so that damage the danger of pinching signal-carrying parts or shear, no longer exists.

    Claims (11)

    1. Vent with a sliding window which can be moved vertically to open and close the work room being vented, which is suspended from at least one counterweight and driven by a cable or belt type driving device connected to the sliding window, and with at least one position measurement or monitoring device on the sliding window, characterised by the fact that the cable or belt type driving device (2) is reinforced by a core (13) in an electrically conductive material, to which the measuring device is electrically connected.
    2. Vent according to claim 1, characterised by the fact that the sliding window (1) is suspended on the counterweight (9) by the cable or belt type driving device (2).
    3. Vent according to claim 2, characterised by the fact that a further cable or belt is provided for suspending the sliding window (1) parallel to the cable or belt type driving device (2).
    4. Vent according to one of the previous claims with cross slides which can be moved horizontally on the sliding window and at least one detector for the horizontal position of the cross slides, characterised by the fact that the detector is electrically connected to the core (13) of the cable or belt type driving device (2).
    5. Vent according to claim 4, characterised by the fact that the detector is installed in the frame of the sliding window.
    6. Vent according to one of the previous claims with a sensor for monitoring the room under the lower edge of the sliding window, characterised by the fact that the sensor for monitoring the room under the lower edge of the sliding window (1) is electrically connected to the core (13) of the cable or belt type driving device (2).
    7. Vent according to one of the previous claims, characterised by the fact that the cable or belt type driving device (2) is a cog belt.
    8. Vent according to one of claims 1 to 6, characterised by the fact that the cable or belt type driving device (2) is a V belt.
    9. Vent according to claim 3, characterised by the fact that the pulley blocks (3), by which the sliding window (2) is suspended on a counterweight (9) on both sides, are mechanically connected to each other.
    10. Vent according to claim 1 with a measuring device for the vertical position of the sliding window, characterised by the fact that the measuring device measures information on the vertical position of the sliding window (1) positively on the cog bet.
    11. Vent according to claim 8 or 10, characterised by the fact that a driving motor acts on the cog belt.
    EP97121349A 1996-12-19 1997-12-04 Fume hood Expired - Lifetime EP0849009B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19653130 1996-12-19
    DE19653130A DE19653130C1 (en) 1996-12-19 1996-12-19 Extraction room has automatic sliding vertical door

    Publications (3)

    Publication Number Publication Date
    EP0849009A2 EP0849009A2 (en) 1998-06-24
    EP0849009A3 EP0849009A3 (en) 1999-05-19
    EP0849009B1 true EP0849009B1 (en) 2003-03-26

    Family

    ID=7815434

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP97121349A Expired - Lifetime EP0849009B1 (en) 1996-12-19 1997-12-04 Fume hood

    Country Status (3)

    Country Link
    EP (1) EP0849009B1 (en)
    AT (1) ATE235324T1 (en)
    DE (2) DE19653130C1 (en)

    Families Citing this family (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE10323686A1 (en) * 2003-05-22 2004-12-09 Ludger Lange Ventilation control sensor for controlling opening and closing of windows and doors, has contact e.g. magnet that is provided in case which is installed on window or door
    FR2922469B1 (en) * 2007-10-22 2010-08-27 Noroit FILTER HOOD, SUCH AS A LAMINAR FLOW HOOD
    DE102010049845A1 (en) 2010-10-27 2012-05-03 Köttermann Gmbh & Co. Kg Sash for laboratory fume hoods
    CN103821423B (en) * 2014-02-20 2016-08-10 宁波合力伟业消防科技有限公司 Window controlling system

    Family Cites Families (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB2129544B (en) * 1982-10-30 1986-06-04 Cygnet Joinery Limited Fume cupboard
    US4528898A (en) * 1984-03-05 1985-07-16 Imec Corporation Fume hood controller
    CH670207A5 (en) * 1986-01-23 1989-05-31 Karl Babberger Extn. vent with sliding window esp. for laboratory - incorporates throttle valve with position controller for adjustment of draught in relation to opening of window
    US4893551A (en) * 1988-05-19 1990-01-16 Phoenix Controls Corporation Fume hood sash sensing apparatus

    Also Published As

    Publication number Publication date
    DE19653130C1 (en) 1998-03-26
    ATE235324T1 (en) 2003-04-15
    EP0849009A2 (en) 1998-06-24
    EP0849009A3 (en) 1999-05-19
    DE59709620D1 (en) 2003-04-30

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