EP0844030B1 - Etabli à aspiration et son procédé d'exploitation - Google Patents

Etabli à aspiration et son procédé d'exploitation Download PDF

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Publication number
EP0844030B1
EP0844030B1 EP97120375A EP97120375A EP0844030B1 EP 0844030 B1 EP0844030 B1 EP 0844030B1 EP 97120375 A EP97120375 A EP 97120375A EP 97120375 A EP97120375 A EP 97120375A EP 0844030 B1 EP0844030 B1 EP 0844030B1
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EP
European Patent Office
Prior art keywords
data
extraction workbench
workbench
dependence
working compartment
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
EP97120375A
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German (de)
English (en)
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EP0844030A3 (fr
EP0844030A2 (fr
Inventor
Friedrich Schmitt
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.)
Braincom AG
Original Assignee
Braincom AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Braincom AG filed Critical Braincom AG
Publication of EP0844030A2 publication Critical patent/EP0844030A2/fr
Publication of EP0844030A3 publication Critical patent/EP0844030A3/fr
Application granted granted Critical
Publication of EP0844030B1 publication Critical patent/EP0844030B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing 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
    • B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/163—Clean air work stations, i.e. selected areas within a space which filtered air is passed

Definitions

  • the invention relates to a fume cupboard according to the preamble of claim 1. Furthermore, the invention is concerned with an operating method of such a fume cupboard.
  • DE 195 17 106 A1 and DE 195 17 106 C2 is a security system for contaminated with dangerous substances Air known for a work area of a fume cupboard.
  • a such fume cupboard or safety workbench can be controlled be provided, the one or more different Can take on tasks.
  • Control devices can be provided, at least for controlling an optional, adjustable and / or controllable Operating parameters or at least one such component of the Security system are designed.
  • a common one Computer with appropriate connection and software equipment be used for the tax tasks.
  • use existing programs in a rational manner be on a conventional computer can expire at a corresponding security workplace can be used in many ways:
  • the computer could then also perform other tasks, such as Operation of various monitoring devices, e.g. Monitoring sensors, possibly coupled with the detection of Dangerous situations and the corresponding triggering of alarm devices as well as display and protocol devices.
  • All settings, monitoring and also work in the work area through a uniform control be regulated or supported on simple and fast Process and evaluate all relevant data can.
  • the aim of the present invention is therefore one from which Fume cupboard known in the prior art for safety reasons to improve.
  • the invention thus becomes a fume cupboard in terms of device with a work space through at least one engagement opening is accessible from the outside, ventilation for suction of air contaminated with hazardous substances from the work area and a controller for at least one operation of the Fume cupboard created, it is further provided that the engagement opening is closable, and that the control Contains test facilities through which an access authorization a person to the workspace and opening the closed engagement opening depending on a determined access authorization can be triggered.
  • a possible implementation of the invention can, for example consist of a disk reader and processor devices to provide access to the work space and / or for the operation or maintenance of the safety cabinet to regulate.
  • a disk reader and processor devices to provide access to the work space and / or for the operation or maintenance of the safety cabinet to regulate.
  • credit card-sized ones are preferred Chip or magnetic stripe cards as suitable Called disk. This can be used, for example person-specific restrictions, such as Pregnancy, account for access authorization as well as others professional association regulations.
  • the invention enables professional associations Compliance with regulations as well as personal ones individual restrictions are taken into account.
  • Test facilities also designed depending on at least one of a determined access authorization a variety of operating modes of the fume cupboard.
  • Preferred modes of operation are at least one work mode, a service company and / or a cleaning company.
  • an opening degree of the engagement opening can be set is.
  • the latter can Variant can be provided that a decontamination of the work area can be carried out semi-automatically or fully automatically is what, for example, flushing the work area with Shielding gas can be provided, in particular a neutralization or destruction of the workbench in the fume cupboard contained hazardous substances.
  • the fume cupboard can display devices for operator guidance and / or operator information before, during and / or after the operation of the Fume cupboard outside and / or inside the work area be included.
  • the display devices are preferably also for entering data, including people and / or Access authorization data, such as in the form of integrated in keys, including membrane keys Lighting devices or touch-sensitive screens.
  • the fume cupboard according to the invention can also advantageously be devices for capturing work inside the work area included, which are designed to remove one Capture of work inside the work space for one predeterminable time, especially depending on one released operating mode, a closing of the engagement opening trigger and preferably the current access authorization to end. This can ensure that after Completion of work within the fume cupboard and its opening does not remain open accidentally.
  • inside the work space Devices for detecting a position of an object are arranged to depend on trigger an automatic of a position of an object, in particular waste disposal facilities accessible from the inside of the fume cupboard and / or garbage storage and / or disposal facilities and / or specimen and device storage rooms to operate automatically, preferably automatically open and after a definable time without passage of Close material again.
  • a fume cupboard according to the present invention to provide monitoring devices at least for detecting at least one operating state a component of the fume cupboard and / or at least information regarding the dangerous substances in the Fume cupboard are designed.
  • This configuration can be Advantageously further train in that in particular Alarm devices are provided by the deviations from Normal operation of the fume cupboard depending on the detection results of the monitoring devices acoustically and / or can be displayed optically. This will ensure security for Operating personnel increased.
  • the control devices are preferably in particular electronic Control devices. This enables a comprehensive, effective, small and cheap control of the fume cupboard can be achieved.
  • control devices for controlling at least one optional one, adjustable and / or controllable operating parameters or at least one such component of the fume cupboard are designed. It is particularly preferred if the control devices for controlling at least one operating parameter or at least one component of the fume cupboard depending of detection results of the monitoring devices are designed.
  • the procedure can the monitoring devices and / or the control devices via a control panel, in particular via a key control panel, be manually adjustable, preferably the Functioning of the monitoring devices and / or the control devices and / or the control panel settings can be displayed by means of display devices.
  • protocol devices can advantageously be provided are, through the operating data of the fume cupboard, including the data of access granted and / or detection results, if applicable the monitoring devices can be logged are. This automatically and reliably becomes a log book created, based on the proper operation and malfunctions can be demonstrated.
  • data reading and / or data input devices can be provided, by means of which operating parameters and / or operating or application control parameters can be entered.
  • Air from the work space can preferably be designed or be controlled so that even when the opening is closed runs, preferably with lower power and particularly preferably with an output of about 20% based on the output when the opening is open. This ensures that during such a so-called standby or Standby operation no deposition of hazardous substances the surfaces inside the work area of the fume cupboard or Safety workbench can occur, so that there are hazardous substances cannot accumulate excessively on these surfaces.
  • a user logs in and is granted approval ventilation can be controlled by the control, e.g. programmatically be ramped up to work performance. additionally a preferably glare-free lighting can automatically switch on by the control.
  • another self-test can be carried out to ensure that the determine normal operating condition. Is once on the ground any fault is not normal, so it remains Disc closed. The operator can use display devices about the disruption and possibly even behavioral measures be informed in this case. In addition, with a Fault an alarm is triggered. After completing the The intervention opening, e.g.
  • the ventilation is preferably running for safety reasons a definable time at full power, until it is reduced by the control.
  • the invention becomes an operating method for a fume cupboard with a work space that is at least a lockable access opening accessible from the outside is a ventilation system for extracting hazardous substances contaminated air from the work area and a control created for at least one operation of the fume cupboard.
  • An access authorization is provided by means of test facilities a person finds out about the work space and then becomes dependent from a determined access authorization the locked Access opening to the interior of the work space for the operator opened.
  • the operating method can be provided by the test equipment at least determined access authorization one of a plurality of operating modes of the fume cupboard, such as in particular a working company, a service company and / or a cleaning company can be released.
  • a working company such as in particular a working company, a service company and / or a cleaning company
  • the engagement opening closed remains.
  • Access authorization is preferred by entering personal and / or personal identification data by means of input devices received in the test facilities.
  • Working with and on a suction or fume cupboard according to the invention can be further increased by the fact that inside of the work space depending on the position of an object triggered an automatic, especially from the inside waste disposal facilities accessible to the fume cupboard and / or garbage storage and / or disposal facilities and / or preparation and device storage rooms automatically to be actuated, preferably opened automatically and after one predeterminable time closed without passage of material become. Touches of possibly dangerous to health Materials contaminated surfaces and / or objects can be avoided.
  • monitoring devices at least one operating state of at least one component the fume cupboard and / or at least one piece of information regarding the dangerous substances detected in the fume cupboard and that in particular deviations from normal operation depending on the detection results of the monitoring devices acoustically by means of alarm devices and / or be displayed optically.
  • An advantageous development of the operating method for a Deduction workbench also consists in the fact that by means of the control devices, especially electronic control devices, at least one optional, adjustable and / or controllable Operating parameters or at least one such component the fume cupboard is controlled, and preferably at least if necessary an operating parameter or at least one component the fume cupboard depending on detection results the monitoring devices is controlled.
  • the mode of operation of the monitoring devices can preferably and / or the control devices via a control panel, in particular can be set manually via a button control panel, preferably the mode of operation of the monitoring devices and / or the control devices and / or the settings the control panel is displayed by means of display devices can be.
  • an air curtain that closes off the engagement opening is generated and / or filter devices when they are removed are automatically locked from the fume cupboard.
  • Another particularly preferred method variant exists in that the ventilation for suction of hazardous substances Contaminated air from the work area even when closed Operation opening is operated, preferably with less Performance and particularly preferably with a performance of about 20% based on the performance when the opening is open.
  • the ventilation for suction of hazardous substances Contaminated air from the work area even when closed Operation opening is operated, preferably with less Performance and particularly preferably with a performance of about 20% based on the performance when the opening is open.
  • Safety or suction workbenches according to the invention can, for example for the production of ready-to-use cytostatics preparations used and especially in hospital pharmacies be used.
  • such Safety cabinets meet the requirements of type H according to DIN 12980 and DIN 12950 part 10.
  • type V1 When preparing ready to use cytostatics preparations for use (type V1) however, it is only an embodiment.
  • Generally can fulfill safety cabinets according to the invention of personal, product, carry-over and environmental protection be used when dealing with toxic substances is.
  • the invention can also be provided be that there is a permanent negative pressure in the work area ensures that the environment does not leak even can be contaminated.
  • LAF turbulence Displacement Flow
  • the invention is a particular one at the work opening high air inlet speed. By such a heightened Edge suction, the speed and / or volume of the Protection of people and products is guaranteed.
  • the separation capacity preferably reaches that used Filters or the effect of neutralizers the required values according to EU14. It is further preferred that these values in particular were significantly exceeded become.
  • filter cartridges or cartridges can be achieved according to the invention, for example the filter cassettes or cartridges have their own locking mechanisms included before filter removal for a tight encapsulation or similar of the filter used. Possibly. can additionally in a safety cabinet according to the invention a lock can be included, which is the removal of a filter unit guaranteed without contamination of the environment, etc.
  • the lids can also be used e.g. automatically welded to the containers used before the removal can take place.
  • One more way for closing foil-based or dimensionally stable Containers are sealing, for example to ensure by gluing. This is particularly so then preferable if welding is due to the system or material is not possible or only with great effort. Hot gluing should be mentioned here as one possibility.
  • a data carrier reader and processor devices can follow another improvement of the safety cabinet the invention can be realized.
  • the invention which is formed according to the above point of view may be operational data and / or requirements for that Safety workbench entered to work on certain and / or Reliable adjustment of toxins adapted operating parameters and ensure.
  • a process control of a partially or fully automatically within the cabin or the work area of the safety workbench cease running activity.
  • suction performance, Airflow controls, temperature controls, Lighting controls certain releases within the Workspace of accessible material magazines and much more can be thus reliably ensure error-free for certain applications.
  • Another application is in maintenance activities, where e.g. semi or fully automatic processes for example for Filter change especially in connection with self-closing Filter containers started and operated programmatically become.
  • Another program-controlled process step during operation the safety cabinet according to the invention relates to this Start extraction and release of access to the work area. This can depend on a particular one Identification information takes place, which is supplied by data carrier becomes. So after determining a certain authorization or authorization level e.g. for certain jobs, first the suction started or on operating performance started up and operated for a specified period of time be allowed before intervening in the work area becomes. The latter is still displayed, for example and allows the viewing window covering the work space to the staff automatically closes so far, e.g. panned or moved, is that an intervention in which and thus work in the work space is possible. Instead of Another automatic can be used to lift the lens Release of intervention openings take place to ensure operational readiness display.
  • the lens can be bent and e.g. quarter-circular side elements to be completed so that optimal viewing conditions from above and from the side.
  • This enables ergonomic work.
  • the work space can be done from a favorable perspective also look from above and there is a particularly large one Disk area in front, which continues to have good lighting conditions and especially enable daylight conditions. additionally can work lights be placed inside the work area Upper part of the safety workbench can be provided, the one glare-free illumination of the work area guaranteed.
  • the Glare-free is also due to the curved lens surface supported.
  • the lens By designing the lens as a double lens another advantageous improvement can also be achieved. It is provided that between the two part disks air flow generated by appropriate facilities that emerges in particular at the lower edge of the pane and as it were an air curtain. It can also be used for a Design in which the visor to enable intervention is raised in the workspace, so that between the Lower edge of the lens and the top of the work surface of the working area a slot-shaped engagement opening arises, a good sealing of the workspace against the outside Environment can be guaranteed.
  • the air flow is preferred stronger between the dividing discs (volume and / or speed), than inside the work space. Furthermore, it is particular possible, below the lower edge of such Viewing window a separate suction with higher performance to provide the shield between the work area and the environment to further improve the safety cabinet.
  • Air neutralizers must be added to ensure safety further increase.
  • the air curtain according to the invention at the inlet opening can also be used in other designs the latter can be realized without going beyond the scope of this To have to go beyond revelation.
  • the invention proposes Improvement before.
  • automatic devices e.g. can contain a light barrier are who regulate access to a garbage disposal. So that is ensures that the operators have no handling inside of the possibly contaminated work area.
  • the work gloves most of the times even two above one another when working within of the work space to be worn after completion of the Work must be disposed of.
  • work gloves e.g. rubber gloves undressed and in the automatically opening and opening again closing garbage can be thrown.
  • the point of view the invention in terms of access control for, for example for the first time, a garbage disposal shaft enables that work gloves are not removed outside the work area Need to become.
  • a component of the security system and / or at least information about the dangerous substances in parts of the security system or the entire security system monitoring devices can be provided.
  • the monitoring devices with alarm devices can be coupled by the deviations from normal operation in Dependence on detection results of the monitoring devices can be indicated acoustically and / or optically.
  • the monitoring devices can, for example, sensors for a safety window safety lock.
  • sensors for a safety window safety lock With vertically displaceable viewing panes, e.g. an alarm is triggered as soon as the target position in the sense of a Enlargement of a work opening is left.
  • For folding windows can trigger an alarm as soon as the window lock is solved.
  • Sensors can also be included to justify an exhaust air alarm his.
  • By gradually throttling the suction volume flow e.g. by partially covering the working or insertion opening including preferably suction slots at the front a volume flow can be set at which just doesn't respond to an exhaust air alarm.
  • a volume flow can be set at which just doesn't respond to an exhaust air alarm.
  • the exhaust air volume flow to be measured in the exhaust air opening not be less than to reach e.g. an average Air speed of 0.4 m / s based on the type-related Cross section of the work opening is required.
  • An ambient air alarm can be issued if a medium one Speed of displacement air, measured over the entire working area e.g. at a height of 5 cm above the lower edge a window of a safety cabinet, for example found below 0.32 m / s or above 0.48 m / s becomes.
  • network interruption monitoring can also be provided be, the acquisition then via, for example, workbench-independent Devices must be done.
  • the monitoring devices can be in different places system of particle counters and air speedometers contain. Those obtained using such sensors Operating information of the system can be used for manual or automatic control of the system. Certain particle limits exceeded and changes of air velocities in different places in the System can control the temperature of the incinerator and / or the performance of the ventilation devices be used.
  • the operation of the fume cupboard e.g. in printer logs and / or writer records and / or stored Files is documented. This is done through protocol facilities realized by the detection results of the Monitoring devices and / or operating data of the whole or partial security system can be logged.
  • the workbench In order to is particularly the demand for uninterrupted operation the workbench to avoid environmental contamination, Accounted for, since even after some time, about the Workbench or the work space in general not used and therefore was not observed, can be easily determined when and what irregularities or malfunctions occurred.
  • a corresponding protocol also enables a complete documentation of the operation of the security system for example in his company log.
  • the fume cupboard has a configuration in particular electronic control devices to control at least an optional, adjustable and / or controllable operating parameter or at least one such component of the Security system are designed.
  • a common one Computer with appropriate connection and software equipment be used for the tax tasks.
  • use existing programs in a rational manner be on a conventional computer can expire at a corresponding security workplace can be used in many ways:
  • the computer could then also perform other tasks, such as Operation of various monitoring sensors, from display and Protocol facilities and the detection of dangerous situations and the corresponding triggering of alarm devices.
  • all settings, monitoring and also work in the work area through a uniform control be regulated or supported on simple and fast Process and evaluate all relevant data can.
  • Another embodiment of the invention is that for example, access authorization to the interior of the work space the fume cupboard is only received if two sufficiently authorized by means of the test facilities People were found. This ensures that not an individual working on the workbench alone, so that in the event of a malfunction, through which those with their hands in Person working inside the work area of the fume cupboard is unable to act or react, this does not go unnoticed remains and more damage to this person, the fume cupboard and the environment appropriately qualified by the second Person can be avoided.
  • the work area can be used to facilitate cleaning work the fume cupboard towards the operator Viewing window can be completely folded up or raised.
  • the security system can do various things Differentiate user groups and preferably also the corresponding operating modes, especially the work sessions, log, in addition to the operator, system parameters, Working hours, etc. are recorded. Those are preferred Data at a standard interface, e.g. for a computer connection, read.
  • the system parameters can also also displayed in plain text on a dialog / monitoring monitor become. This allows operators to be constantly on the Be informed of system values. additional optical and acoustic Alarm signals further increase occupational safety.
  • the invention can be used in workbenches with exhaust air mode or recirculation mode and all types of filters and neutralizers be applied.
  • the extractor or suction workbench shown in section in FIG. 1 1 contains a work space 2, from which air by means of a Ventilation 3 is suctioned off.
  • a suction opening 4 is provided which between a lens 5 by its method in a raised Position opposite a work surface 6 of the work space 2 and this work surface 6 is formed.
  • the intervention opening 4 is normally closed.
  • the suction workbench 1 also has testing devices 7, such as a magnetic card reader 8 shown in the by an operator your personal magnetic card or magnetic stripe card 9 must be inserted before access to the work area 2 can get.
  • the data recorded by the test devices 7 of the magnetic card 9 lead to their maintenance by their checking the lock of the lens 5 in its closed Position so that no engagement opening 4 is formed or a release for a specific operating mode or several specific operating modes of the fume cupboard 1 and for a controlled opening of the engagement opening 4 by adjusting the lens 5.
  • the maintenance the lock of the lens 5 or the opening the engagement opening 4 is realized via a control 10, depending on the test result of the test facilities 7 responds.
  • the test devices 7 can be in the controller 10 integrated or external to the latter and coupled with it his.
  • the ventilation 3 which may include one or more fans from which Control 10 is ramped up to full power. Farther is used by the controller 10 for safe working in the work area 2 the fume cupboard or safety workbench 1 lighting 12 switched on. Only when all operating conditions and parameters have reached their normal operating values the controller 10 the engagement opening 4th
  • the fume cupboard or safety workbench 1 with an access control equipped the user must first by a magnetic stripe card 9 with the personal Identify PIN or personal identification number. If the user meets the access requirements, the system is activated. That means: the fan or in general the Ventilation 3 is ramped up to its full capacity The light is switched on and opens after a warm-up period disc 5 automatically. Now the technician can start working.
  • the polluted air is emitted by a radial fan vacuumed the work area 2. It becomes a special catalyst 13 supplied, the the gaseous impurities of the Air burns catalytically with an efficiency of 97%.
  • Workbench 1 is suitable for working with dangerous ones Fabrics also for storing such fabrics, since the Disk 5 can be completely closed.
  • the ventilation 3 is running in warehouse operation at a lower power level. Both in Working as well as in warehouse operation, work space 2 is complete vacuum-washed, whereby it is achieved that none Air can get inside out.
  • the safety regulations e.g. EC safety data sheet, number 7, information on safe handling, according to which handling of MMA only in well-ventilated rooms.
  • the fume cupboard 1 also contains suitable ones Facilities for checking and documenting which people about how to deal with the respective health-endangering people Substances are authorized and who worked with these substances Has.
  • the fume cupboard or suction workbench is preferred 1 a closed work space with a vacuum 2, in which substances harmful to health can be processed. Vapors cannot escape because there is always air through the Work or intervention opening 4 sucked and the polluted Air e.g. is converted into a catalyst 13. This will provide technicians and other operators Diseases protected and the relevant safety regulations are adhered to. Basically this is one Fume cupboard also for storing the treated or processed fabrics very suitable. Light-curing plastics e.g. can also be cured here if a UV lamp is integrated.
  • the fume cupboard is not, however, specified on the Areas of application limited, but can be used anywhere there Advantage to be used where hazardous substances are handled, must be worked or processed.
  • the electronics or software of the control is preferred Fail-safe at first, i.e. that in the event of a complete failure of the Electronics and / or software continue to improve user safety is guaranteed.
  • a software failure for example one that cannot be acknowledged and one that can be acknowledged acoustic alarm can be triggered.
  • a Ventilation malfunction e.g. power failure, fan failure, etc.
  • the control contains, preferably in Form an electronics, a reader, so that the fume cupboard only by authorized persons with access authorization can be used. This is an access (also accidentally) to contaminated areas or parts excluded.
  • the access control preferably differentiates at least between Users, cleaning personnel, service personnel and system administrators, the latter, for example, instead of the Test equipment for access control or other workbench integrated Input devices over a particularly standard PC interface to the controller, the documentation etc. can access.
  • the fan system should be in standby mode run especially at reduced power, so a constant air circulation and flow through filters guaranteed is. This fact ensures a very short one Preparation time before starting work on a suction or Safety workbench according to the invention.
  • the access authorization can contain the name, possibly personnel number and the social security number, as well as the eligibility group of the owner included, so that a flawless Assignment to a person is possible. This can also personal protection needs (such as pregnancy) are taken into account become.
  • the data can be saved using a suitable Interface e.g. can be read out by PC.
  • Data that are older than a year are automatically updated with new data overwritten, possibly before or on Request a printout or a backup copy as a protocol or operating book can be created. Reading the data can, for example, every six months as part of a maintenance be performed.
  • the performance of the fan system should preferably be controlled that a low-turbulence displacement flow e.g. according to DIN 12980 / 09.96 is guaranteed at all times.
  • the one with the time increasing pressure difference of the filter should be compensated. Standby operation of the fan system is advantageous.
  • a garbage disposal system with automatic sealing in plastic film in connection with the work area of the fume cupboard can be provided.
  • the waste disposal system is preferably such that in contrast to conventional systems, the air volume, that is in the film, reduced as much as possible. It is important to ensure that the plastic film escaping air cannot leave the work area.
  • the Garbage disposal system is to be designed so that it is also already installed fume cupboards with the least effort can be retrofitted.
  • Extraction workbenches according to the invention can be of various widths are offered, which is why a modular structure of the housing is to be preferred.
  • a possible standard width is e.g. 120 cm (working surface).
  • the side windows can be constructed so that various Special accessories (such as gas connections, cable bushings, Garbage disposal etc.) can be integrated.
  • the side windows should therefore be exchanged with the least effort to let.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Supports For Pipes And Cables (AREA)
  • Earth Drilling (AREA)
  • Glass Compositions (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Claims (13)

  1. Établi à aspiration comprenant un compartiment de travail accessible depuis l'extérieur via au moins une ouverture d'intervention, une ventilation pour aspirer hors du compartiment de travail l'air contaminé avec des produits dangereux, et une commande pour au moins un mode de fonctionnement de l'établi à aspiration,
    caractérisé en ce que l'ouverture d'intervention (4) est obturable, et en ce que la commande (10) contient des moyens de vérification (8, 9) au moyen desquels une autorisation d'accès à une personne dans le compartiment de travail (2) peut être constatée, et une ouverture de l'ouverture d'intervention (4) obturée peut être déclenchée en fonction d'une autorisation d'accès constatée.
  2. Établi à aspiration selon la revendication 1, caractérisé en ce que les moyens de vérification sont en outre conçus de manière à permettre, en fonction de la constatation d'une autorisation d'accès, un mode de fonctionnement parmi une pluralité de modes de fonctionnement de l'établi à aspiration (1), et
    en ce qu'il est prévu à titre de mode de fonctionnement au moins un mode de travail, un mode d'entretien et/ou un mode de nettoyage, et dans lequel en particulier un degré d'ouverture de l'ouverture d'intervention (4) est de préférence réglable en fonction du mode de fonctionnement et/ou une décontamination du compartiment de travail (2) peut être exécutée de manière (semi-)automatique.
  3. Établi à aspiration selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que les moyens de vérification contiennent des moyens de saisie via lesquels des données personnelles et/ou des données d'identification personnelle peuvent être entrées, et
    en ce que les moyens de saisie contiennent de préférence des moyens de réception pour des supports de données, de préférence des supports de données en forme de tiges ou de cartes, pour la saisie optique, électrique et/ou magnétique de données personnelles depuis des supports de données, et/ou
    des organes d'entrée à actionnement manuel, comme en particulier des touches ou des boutons, pour l'entrée manuelle de données personnelles, en particulier de numéros d'identification personnelle, et/ou
    des dispositifs récepteurs pour des données personnelles provenant de supports de données à transmission sans contact, en particulier des transpondeurs, et/ou
    des moyens de saisie pour des caractéristiques corporelles individuelles à titre de données personnelles pour des opérateurs.
  4. Établi à aspiration selon l'une des revendications précédentes,
    caractérisé en ce qu'il est prévu des moyens d'affichage pour des instructions et/ou des informations aux utilisateurs avant, pendant et/ou après le fonctionnement de l'établi à aspiration (1), à l'extérieur et/ou à l'intérieur du compartiment de travail (2), et
    en ce que les moyens d'affichage sont de préférence en outre conçus pour la saisie de données, y compris de données personnelles et/ou de données d'autorisation d'accès, comme sous la forme de dispositifs lumineux intégré dans des touches, y compris des touches à film, ou des écrans sensibles au toucher.
  5. Établi à aspiration selon l'une des revendications précédentes,
    caractérisé en ce qu'il est prévu des moyens pour la détection de travaux à l'intérieur du compartiment de travail (2) et ainsi conçus, après disparition d'une détection de travaux à l'intérieur du compartiment de travail (2) pendant une durée prédéterminée, en particulier le cas échéant en dépendance d'un mode de fonctionnement autorisé, qu'ils déclenchent une fermeture de l'ouverture d'intervention (4) et de préférence mettent un terme à l'autorisation d'accès actuelle, et/ou
    en ce que des récipients, des armoires et/ou des réservoirs refermables à l'intérieur du compartiment de travail (2) sont accessibles en fonction d'une autorisation d'accès constatée, et/ou
    en ce que dans l'intérieur du compartiment de travail (2) sont agencés des moyens pour détecter une position d'un objet, comme une main, afin de déclencher en fonction d'une position d'un objet un processus automatique, en particulier d'actionner de manière automatique des dispositifs d'éjection de déchets et/ou des dispositifs de stockage de déchets et/ou des dispositifs d'évacuation de déchets accessibles depuis l'intérieur de l'établi à aspiration et/ou d'actionner de manière automatique des compartiments de stockage de produits préparés et d'appareillage, l'actionnement automatique consistant de préférence à ouvrir automatiquement ces dispositifs et à les refermer après une durée prédéterminée sans passage de matériaux.
  6. Établi à aspiration selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu des moyens de surveillance conçus pour détecter au moins un état de fonctionnement d'au moins une composante de l'établi à aspiration (1) et/ou au moins une information concernant les produits dangereux dans l'établi à aspiration (1), et en ce qu'il est prévu en particulier des moyens d'alarme à l'aide desquels des écarts par rapport au fonctionnement normal peuvent être indiqués par voie acoustique et/ou optique en fonction des résultats de détection des moyens de surveillance.
  7. Établi à aspiration selon l'une des revendications précédentes, caractérisé en ce que les moyens de commande (10) sont en particulier des moyens de commande électroniques qui sont en outre conçus pour la commande d'au moins un paramètre de fonctionnement à choisir, susceptible d'être réglé et/ou commandé, ou pour la commande d'au moins un tel composant de l'établi à aspiration (1), et le cas échéant de préférence pour commander au moins un paramètre de fonctionnement ou au moins un composant de l'établi à aspiration (1) en fonction de résultats de détection des moyens de surveillance, et/ou en ce que le mode de fonctionnement des moyens de surveillance et/ou des moyens de commande (10) peut être réglé manuellement via un champ de manipulation, en particulier via un champ à touches, de telle manière que de préférence le mode de fonctionnement des moyens de surveillance et/ou des moyens de commande et/ou les réglages du champ de manipulation peuvent être affichés à l'aide de moyens d'affichage, et/ou
    en ce qu'il est prévu des moyens d'inscription, à l'aide desquels les données de fonctionnement de l'établi à aspiration, y compris les données concernant les accès autorisés et/ou le cas échéant les résultats de détection des moyens de surveillance, peuvent être consignées.
  8. Établi à aspiration selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu des moyens de lecture et/ou de saisie de données, à l'aide desquels peuvent être entrés des paramètres de fonctionnement et/ou des paramètres de commande de fonctionnement ou des paramètres de commande d'application, et/ou
    en ce qu'il est prévu des moyens pour engendrer un rideau d'air refermant l'ouverture d'intervention et/ou des moyens pour refermer automatiquement des dispositifs de filtration lors de leur enlèvement hors de l'établi à aspiration, et/ou
    en ce que la ventilation pour l'aspiration de l'air contaminé avec des produits dangereux hors du compartiment de travail fonctionne également lorsque l'ouverture d'intervention est fermée, de préférence avec puissance réduite et en particulier de préférence avec une puissance d'environ 20 % par référence à la puissance lorsque l'ouverture d'intervention (4) est ouverte.
  9. Procédé de fonctionnement pour un établi à aspiration (1) comprenant un compartiment de travail (2) accessible depuis l'extérieur via au moins une ouverture d'intervention refermable (4), une ventilation (3) pour aspirer hors du compartiment de travail (2) l'air contaminé avec des produits dangereux, et une commande (10) pour au moins un mode de fonctionnement de l'établi à aspiration (1), dans lequel on constate à l'aide de moyens de vérification une autorisation d'accès d'une personne vers le compartiment de travail (2) et l'on ouvre ensuite, en dépendance de la constatation d'une autorisation d'accès, l'ouverture d'intervention fermée (4) vers l'intérieur du compartiment de travail (2) pour l'opérateur.
  10. Procédé de fonctionnement selon la revendication 9, caractérisé en ce que par l'autorisation d'accès constatée par les moyens de vérification, on autorise au moins un mode de fonctionnement parmi une pluralité de modes de fonctionnement de l'établi à aspiration (1), comme en particulier un mode de travail, un mode d'entretien et/ou un mode de nettoyage, et en ce que en particulier un degré d'ouverture de l'ouverture d'intervention (4) est de préférence réglable en fonction du mode de fonctionnement et/ou une décontamination du compartiment de travail (2) peut être exécutée de manière (semi-)automatique.
  11. Procédé de fonctionnement selon l'une ou l'autre des revendications 9 et 10, caractérisé en ce que
    l'autorisation d'accès peut être obtenue par entrée de données personnelles et/ou de données d'identification personnelle à l'aide de moyens de saisie dans les moyens de vérification, et/ou
    en ce que des travaux à l'intérieur du compartiment de travail (2) sont détectés et, en particulier après disparition d'une détection de travaux dans l'intérieur du compartiment de travail (2) pendant une durée prédéterminée et de préférence le cas échéant en fonction d'un mode de fonctionnement autorisé, on déclenche une fermeture de l'ouverture d'intervention (4) et l'on met de préférence un terme à l'autorisation d'accès actuelle, et/ou
    en ce que des récipients, des armoires et/ou des réservoirs refermables à l'intérieur du compartiment de travail (2) sont autorisés à l'ouverture en fonction d'une autorisation d'accès constatée, et/ou
    en ce que dans l'intérieur du compartiment de travail (2), on déclenche en fonction d'une position d'un objet un processus automatique, en particulier l'actionnement automatique des dispositifs d'éjection de déchets et/ou des dispositifs de stockage de déchets et/ou des dispositifs d'évacuation de déchets accessibles depuis l'intérieur de l'établi à aspiration et/ou l'actionnement automatique des compartiments de stockage de produits préparés et d'appareillage, l'actionnement automatique consistant de préférence à ouvrir automatiquement ces dispositifs et à les refermer après une durée prédéterminée sans passage de matériaux, et/ou
    en ce qu'à l'aide de moyens de surveillance on détecte au moins un état de fonctionnement d'au moins une composante de l'établi à aspiration (1) et/ou au moins une information concernant les produits dangereux dans l'établi à aspiration (1), et en ce que des écarts par rapport au fonctionnement normal peuvent être indiqués par voie acoustique et/ou optique en fonction des résultats de détection des moyens de surveillance à l'aide de moyens d'alarme.
  12. Procédé de fonctionnement selon l'une des revendications 9 à 11,
    caractérisé en ce qu'à l'aide de moyens de commande (10), en particulier des moyens de commande électroniques, on commande au moins un paramètre de fonctionnement à choisir, susceptible d'être réglé et/ou commandé, ou on commande au moins un tel composant de l'établi à aspiration (1), et le cas échéant de préférence on commande au moins un paramètre de fonctionnement ou au moins un composant de l'établi à aspiration (1) en fonction de résultats de détection des moyens de surveillance, et/ou
    en ce que le mode de fonctionnement des moyens de surveillance et/ou des moyens de commande (10) peut être réglé manuellement via un champ de manipulation, en particulier via un champ à touches, de telle manière que de préférence le mode de fonctionnement des moyens de surveillance et/ou des moyens de commande et/ou les réglages du champ de manipulation peuvent être affichés à l'aide de moyens d'affichage, et/ou
    en ce que les données de fonctionnement de l'établi à aspiration, y compris les données concernant les accès autorisés et/ou le cas échéant les résultats de détection des moyens de surveillance, sont consignées.
  13. Procédé de fonctionnement selon l'une des revendications 9 à 12,
    caractérisé en ce que des paramètres de fonctionnement et/ou des paramètres de commande de fonctionnement ou des paramètres de commande d'application peuvent être entrés à l'aide de moyens de lecture et/ou de saisie de données, et/ou
    en ce que l'on engendre un rideau d'air refermant l'ouverture d'intervention (4) et/ou l'on referme automatiquement des dispositifs de filtration lors de leur enlèvement hors de l'établi à aspiration, et/ou
    en ce que la ventilation pour l'aspiration de l'air contaminé avec des produits dangereux hors du compartiment de travail (2) fonctionne également lorsque l'ouverture d'intervention (4) est fermée, de préférence avec puissance réduite et en particulier de préférence avec une puissance d'environ 20 % par référence à la puissance lorsque l'ouverture d'intervention (4) est ouverte.
EP97120375A 1996-11-20 1997-11-20 Etabli à aspiration et son procédé d'exploitation Expired - Lifetime EP0844030B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29620101U 1996-11-20
DE29620101 1996-11-20

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EP0844030A2 EP0844030A2 (fr) 1998-05-27
EP0844030A3 EP0844030A3 (fr) 1999-05-12
EP0844030B1 true EP0844030B1 (fr) 2003-08-06

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AT (1) ATE246556T1 (fr)
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CN102481601A (zh) * 2009-07-14 2012-05-30 阿尔弗雷德·凯驰两合公司 清洁设备以及用于控制对清洁设备的访问的方法

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DE10217100B4 (de) * 2002-04-17 2007-07-19 Thermo Electron Led Gmbh Fernbedienbare Sicherheitswerkbank
DE10217904C1 (de) * 2002-04-22 2003-10-02 Kendro Lab Prod Gmbh Sicherheitswerkbank mit Sicherheitsüberwachungssystem
DE102004032454A1 (de) * 2004-06-24 2006-01-12 Kendro Laboratory Products Gmbh Sicherheitswerkbank
DE102008009221A1 (de) 2008-02-06 2009-08-13 Alfred Kärcher Gmbh & Co. Kg System zur Bevorratung und Abgabe von flüssigem Reinigungszusatz für Hochdruckreinigungsgerät
DE102010038420A1 (de) 2010-07-26 2012-01-26 Alfred Kärcher Gmbh & Co. Kg Reinigungungsvorrichtung
DE102010038421A1 (de) 2010-07-26 2012-01-26 Alfred Kärcher Gmbh & Co. Kg Reinigungsvorrichtung
DE102010042347A1 (de) 2010-10-12 2012-04-12 Alfred Kärcher Gmbh & Co. Kg Verfahren zum Betreiben eines Reinigungsgerätes und Reinigungsgerät zur Durchführung des Verfahrens
DE102011114993A1 (de) * 2011-10-06 2013-04-11 Thermo Electron Led Gmbh Laborabzug und insbesondere Sicherheitswerkbank mit LED-Beleuchtung
DE102020102138A1 (de) * 2020-01-29 2021-07-29 Michael Keil Energieeffiziente Werkbank, insbesondere Reinstwerkbank und Verfahren zum Betrieb einer solchen Werkbank
WO2022017607A1 (fr) * 2020-07-23 2022-01-27 Georg Silvano Agencement de table

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DE19517106C2 (de) * 1995-05-10 1997-11-06 Doerfert Hans Joachim Sicherheitssystem für mit gefährlichen Stoffen kontaminierte Luft für einen Arbeitsraum einer Abzugwerkbank
DE19609246A1 (de) * 1996-03-09 1996-10-10 Avermann Maschinenfabrik Gmbh Dosiereinrichtung

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN102481601A (zh) * 2009-07-14 2012-05-30 阿尔弗雷德·凯驰两合公司 清洁设备以及用于控制对清洁设备的访问的方法
CN102481601B (zh) * 2009-07-14 2015-04-01 阿尔弗雷德·凯驰两合公司 清洁设备以及用于控制对清洁设备的访问的方法

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EP0844030A3 (fr) 1999-05-12
ATE246556T1 (de) 2003-08-15
EP0844030A2 (fr) 1998-05-27
DE59710538D1 (de) 2003-09-11

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