EP2335546B2 - Cleaning device with actuating component - Google Patents
Cleaning device with actuating component Download PDFInfo
- Publication number
- EP2335546B2 EP2335546B2 EP10014760.2A EP10014760A EP2335546B2 EP 2335546 B2 EP2335546 B2 EP 2335546B2 EP 10014760 A EP10014760 A EP 10014760A EP 2335546 B2 EP2335546 B2 EP 2335546B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- cleaning
- cleaning apparatus
- washware
- inlet
- 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.)
- Not-in-force
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- 238000004140 cleaning Methods 0.000 title claims description 170
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- 239000013505 freshwater Substances 0.000 description 20
- 239000011538 cleaning material Substances 0.000 description 15
- 238000001514 detection method Methods 0.000 description 11
- 239000007921 spray Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 5
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005253 cladding Methods 0.000 description 3
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- 235000013305 food Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- 230000001419 dependent effect Effects 0.000 description 1
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- 238000004851 dishwashing Methods 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
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Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0049—Detection or prevention of malfunction, including accident prevention
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
- A47L15/247—Details specific to conveyor-type machines, e.g. curtains
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
- A47L2301/08—Other manual input
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/04—Crockery or tableware details, e.g. material, quantity, condition
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/30—Variation of electrical, magnetical or optical quantities
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/34—Other automatic detections
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/05—Drain or recirculation pump, e.g. regulation of the pump rotational speed or flow direction
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/12—Air blowers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/24—Conveyor belts, e.g. conveyor belts motors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/26—Indication or alarm to the controlling device or to the user
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/32—Stopping or disabling machine operation, including disconnecting the machine from a network, e.g. from an electrical power supply
Definitions
- the invention relates to a cleaning device in which a sensor is used in a dual function once for the detection of items to be cleaned and on the other for the transmission of control commands. Furthermore, the invention relates to a method for controlling a cleaning device.
- cleaning devices and methods are generally used to clean items to be cleaned.
- a particular focus in the context of the present invention is on the cleaning of dishes such as plates, cups, glasses, cutlery, bowls, bowls, trays or other types of items that come directly or indirectly in contact with food or drinks or for Preparation or presentation of food or drinks is used.
- the cleaning device can in particular be designed as a transport dishwasher, in particular as a basket transport or belt transport dishwasher.
- other types of items to be cleaned and / or cleaning devices can also be used or realized within the scope of the present invention.
- Transport dishwashers generally have a side and top open inlet area in which the items to be cleaned, such as dishes, directly or indirectly, for example by means of baskets, is applied to a transport device.
- the transport device may comprise, for example, a conveyor belt, which runs in the inlet area into a tunnel of the dishwasher. In this tunnel are then one or more zones in which the dishes, for example, cleaned and rinsed clear.
- At the end of the dishwasher is usually again an open outlet area from which the cleaned dishes can be removed.
- sensors In order to protect the dishwasher from damage caused by too high cleaning goods, the use of sensors is known.
- optical sensors such as light barriers or the like
- mechanical sensors such as swivel bracket, folding safety edges or the like can be used, which are used at the entrance of the tunnel of the dishwasher.
- These sensors typically detect the entire opening width of the tunnel and are also referred to as height limit switches. If such a sensor detects too high a piece of crockery, the sensor passes an electrical signal to the central control of the machine.
- the light barrier can generate this signal directly, for example, whereas a mechanical sensor usually operates an electrical switch, which then generates an electrical signal.
- the actuation can be effected for example by mechanical coupling or by magnetic influence, for example a reed switch, or by comparable methods.
- the central machine control normally disables the movement of the transport device and optionally generates an optical or audible signal to the operator. Also known are procedures in which the height limiting switch acts directly on the drive motor of the transport device, bypassing the central
- US 4,561,904 A relates to a control device and a method for controlling a dishwasher.
- a sensor preferably at the inlet of the dishwasher and senses the presence of items to be cleaned on a conveyor belt, while the cleaning material is conveyed on the conveyor belt along the reference point.
- the conveying path of the conveyor belt is recorded to determine a current conveyor belt position, whereby the position of the cleaning material is detected within the dishwasher.
- the conveyor belt is started and optionally stopped again.
- the document DE 198 29 650 A1 discloses a continuous dishwashing apparatus and method of operation.
- the device has a detection device which detects an incoming dish rack when actuated and in each case activates a cleaning zone in which the dish rack is located. When the detector is actuated more than once during one revolution of the engine, all cleaning zones are activated.
- controls are provided in many dishwashers within reach of the operator at the machine inlet.
- these may be electrical switches, electrical buttons, keypads in the form of a membrane keyboard or the like.
- the operator can generate reactions of the machine control. It may be necessary, for example, to move the dishwasher from the ready state to the operating state directly from the inlet, or vice versa. Furthermore, it may be necessary, for example, to select or specify a different speed of the transport device directly from the workstation at the machine inlet.
- Such arranged decentralized controls are usually required because, for example, transport dishwashers often have a length of several meters and therefore the main control unit, such as a control panel on a central cabinet, from the inlet is too far away to be quickly and easily accessible.
- a cleaning device for cleaning items to be cleaned is proposed.
- this item to be cleaned can be, in particular, dishes, for example of the type described above.
- other types of cleaning goods are cleanable, such as industrial goods, machine parts or the like.
- the cleaning device will be described without limitation of other possible applications with reference to continuous dishwashers for commercial use, in particular with reference to tape transport and / or basket transport dishwashers, as for example in commercial kitchens in businesses, authorities, schools, refectories, hospitals, care facilities or other types of commercial kitchens are used.
- the cleaning device comprises at least one cleaning zone for charging the cleaning material with at least one cleaning fluid.
- the cleaning zone may be designed to be open or closed and, in particular, as will be explained in more detail below, may be surrounded by at least one housing.
- one or more of the following cleaning zones may be provided: a pre-evacuation zone, one or more washing zones or main cleaning zones, one or more final rinsing zones, in particular a pump rinsing zone and / or a fresh water rinsing zone.
- the said zones of which only one or more can be present, can be arranged in particular in the illustrated sequence along a transport direction.
- a cleaning fluid is basically any fluid to understand, so for example, a gas and / or a liquid, which has a cleaning effect, ie an effect of removal of dirt and / or disinfection and / or sterilization on the cleaning material.
- the at least one cleaning fluid may comprise at least one aqueous cleaning fluid, ie water with or without the addition of auxiliaries, for example cleaners and / or rinse aids.
- the cleaning device comprises at least one transport device for transporting the cleaning product through the at least one cleaning zone.
- this transport device may comprise one or more conveyor belts, one or more transport rollers, a pawl transport device, a pull cable or another type of transport device.
- a belt transport and / or a basket transport can be provided.
- the items to be cleaned can, for example, be transported through the cleaning zones in a transport direction.
- the cleaning device further comprises at least one sensor for detecting the cleaning product.
- a sensor is basically any type of device to understand, which can detect a property or a property change qualitatively or quantitatively.
- Under a detection of the cleaning material can basically be understood a recognition of at least one arbitrary property of the cleaning, including the property that any cleaning material is present. For example, can be understood by a recognition that any cleaning material is present, what height of this cleaning (for example, which height above the transport device) the cleaning material, what kind is the cleaning, what degree of contamination the cleaning has, what width (for example, transverse to the transport direction) has the cleaning material or a combination of the properties mentioned and / or other properties.
- a detection of the cleaning should also be, for example, the case that is recognized whether the property of the cleaning product meets a certain criterion or not. For example, it can be detected whether a height of the cleaning product, ie a maximum distance, the cleaning material above the transport device from the transport device, reaches or exceeds a threshold or not.
- the sensor may include a height sensor, that is, a sensor which detects whether the items to be cleaned exceed a maximum height or not. In other types of transport devices, the height may be replaced by other parameters, such as hanging transport by a distance below the suspension. Other types of properties of the cleaning product can be detected.
- a transmission of control commands to a control of the cleaning device is basically any form of electronic instruction to understand, which changes at least one state or operating state of the cleaning device.
- the transmission of the at least one control command can be made directly to a central control, or may, alternatively or additionally, also be done decentralized to at least one other control of the cleaning device, for example to a decentralized control of one or more components of the cleaning device such as the transport device, a pump , a blower or similar.
- the sensor can be actuated in particular in at least one manner of actuation by the user, which differs from an actuation of the sensor by the items to be cleaned.
- this type of actuation may differ in intensity, actuation direction, actuation frequency, speed of actuation, or otherwise from normal operation by the items to be cleaned.
- the controller can be set up to interpret this actuation in the type of actuation, which differs from the actuation of the sensor by the items to be cleaned, as at least one control command.
- At least two types of actuation are provided, which differ from an actuation of the sensor by the items to be cleaned. These at least two types of actuation differ in a number of operations of the sensor. For example, in a first mode of operation, the sensor may be actuated twice, for example at a minimum frequency or at a higher frequency, whereas in a second mode of operation the sensor may be actuated three times or more than three times, for example also at the minimum frequency or at a higher frequency.
- the controller is then set up to interpret the at least two types of actuation as different control commands. For example, a list can be stored in the controller, which assigns a control command to each type of actuation.
- This list may include, for example, an electronic list, a lookup table, or another type of electronic list.
- the type of actuation may comprise, for example, a repeated actuation of the sensor, in particular a repeated actuation with a frequency which is at least a minimum frequency. For example, a user may repeatedly actuate the sensor at a speed that does not occur during normal operation of the cleaning device.
- a control command means any instruction to the cleaning device by means of which at least one state and / or at least one operating mode and / or at least one parameter of the cleaning device can be changed.
- the control command may include one or more of the following control commands: turning off the transport device; starting the transport device; a change in a transport speed of the transport device; a control of a pump for conveying the at least one cleaning fluid, in particular a switching on or off of the pump; a control of at least one fan, in particular a connection or disconnection of the fan; a reversal of a transport direction.
- other control commands are alternatively or additionally transmitted.
- the cleaning device may in particular have at least one cleaning tunnel.
- Under a cleaning tunnel is basically an arbitrary housing to understand, in particular a housing in which the at least one cleaning zone is added.
- the housing may be a metal housing which completely or partially encloses the cleaning tunnel.
- the cleaning device may further comprise at least one inlet.
- Under an enema is an area to understand in which the transport device can transport the cleaning material in the cleaning tunnel into it. In particular, this area can have at least one opening in the cleaning tunnel, which is also referred to below as an inlet opening, through which the items to be cleaned can enter the cleaning tunnel.
- the cleaning device may be arranged such that it is partially disposed within and partially outside the cleaning tunnel, wherein the cleaning material at the inlet, in particular through the inlet opening, in the cleaning tunnel entry.
- the at least one sensor can be arranged in particular at the inlet, for example at the inlet opening.
- sensors can also be arranged at other locations of the cleaning device.
- the arrangement of the sensor at the inlet allows a user, who is positioned at this point, to operate the sensor and in this way to transmit control commands.
- At the inlet are often jobs for users, as at this point usually the transport device is directly or indirectly with the cleaning, for example, the dishes loaded. In addition, most disturbances occur at this point, for example when dishes exceed a minimum height.
- the presence of a sensor at the inlet is particularly advantageous.
- the sensor can be actuated in particular at the inlet by a user from both sides of the transport device.
- the transport device may comprise a conveyor belt, which leads into the cleaning tunnel at the inlet.
- jobs can be provided on both sides of the transport device, from which users can operate the sensor.
- the sensor can at least partially, preferably completely, span the inlet, in particular the inlet opening. If, for example, the inlet, in particular the inlet opening, has a width, that is, for example a clear width, then the sensor can, for example, span this inlet opening at least partially, preferably completely.
- the sensor can be configured, for example, as a movable covering part of the cleaning device, in particular as a movable covering part, which is arranged above the inlet of the cleaning device, in particular above the inlet opening.
- this movable covering part may be a foldable strip, a hinged plate or a foldable bow, which is pivotable about at least one axis, preferably about an axis transverse to the transport direction, for example a horizontal axis perpendicular to the transport direction.
- Such a covering part above the inlet, in particular above the inlet opening for example, simultaneously serve as a height sensor for detecting an excess and accordingly as a control over which the user can transmit the at least one control command to the cleaning device or the controller.
- the senor may comprise, for example, at least one height sensor for detecting an excess height of the items to be cleaned.
- An excess height is a height of the cleaning material above the transport device, which reaches or exceeds a maximum height. In the case of a suspended transport, heights corresponding to heights below the transport device are to be set, which reach or exceed a maximum height.
- the sensor may also include at least one width sensor for detecting an excess width of the cleaning product. For example, an excess width may be any kind of protrusion of the cleaning material over lateral boundaries next to the transport device.
- Both cases for example the height sensor and the width sensor, can in particular, as stated above, be realized by movable covering parts in the region of the inlet of the cleaning device, which are also easily accessible to a user, for example by one or more covering parts, which are completely or partially form at least one edge of the inlet opening.
- the sensor may in particular comprise at least one of the following sensors: an optical sensor, in particular a light barrier; a mechanical sensor, in particular a cable sensor, a switch (in particular a pressure switch and / or a toggle switch), a pivotable bracket or a foldable safety edge or combinations of said sensors and / or other sensors.
- an optical sensor in particular a light barrier
- a mechanical sensor in particular a cable sensor
- a switch in particular a pressure switch and / or a toggle switch
- the cleaning device is a cleaning device according to one or more of the embodiments set forth above. Accordingly, reference may be made to the above description for the possible embodiments of the cleaning device. In principle, however, other embodiments of the cleaning devices are conceivable.
- At least one sensor is used to detect the items to be cleaned.
- the sensor is accessible to a user of the cleaning device from the outside. Furthermore, it is proposed that the sensor is additionally used for a transmission of control commands of a user to a controller of the cleaning device.
- the above-proposed cleaning device and the proposed method have numerous advantages over known cleaning devices and methods.
- the existing mechanical sensor for example in the form of a pivoting bracket extending across the entire clear width of the tunnel or a hinged bar or plate extending over the entire clear width of the tunnel, can also be used to generate the additional control signals to the controller. This can be done in the simplest manner, for example, by the fact that the controller can detect a sequence of switching signals and / or recognize and distinguish falling and / or rising voltage edges, in addition to a simple switching pulse, for example in the form of a falling edge of a voltage signal.
- switching states can be realized in which, for example, a single change of a signal of the switch within two seconds means a stop of the transport device or the transport drive, whereas a two-time change of the signal of the switch means a switching of the transport speed within two seconds.
- changing the signal of the switch three times within two seconds may mean a further change of the transport speed, etc.
- other assignments are also possible in principle.
- the entire cladding sheet on the inlet tunnel of the machine can be made pivotable and, for example, can simultaneously form a mechanical height limit switch and a universal switch for transmitting control commands. Since the mechanical height detection sensor should be designed to be relatively robust anyway, even a light and trouble-free operation by operators at the inlet of the cleaning device is possible.
- the special function of the signal transmission to the controller can also be retrieved, for example, from both sides of the machine, without additional switching elements are required, because the height detection sensor usually runs over the entire machine width.
- FIG. 1 is shown in a sectional view from the side of a preferred embodiment of a cleaning device 110.
- the cleaning device is designed in this embodiment as a continuous dishwasher 112 and has a housing 114.
- This housing 114 may include, for example, a cleaning tunnel 116, which is designed, for example, completely or partially closed.
- the cleaning tunnel can be designed, for example, as a tunnel lined with cladding elements made of sheet metal.
- the cleaning tunnel 116 may be designed, for example, as a tunnel cladded with cladding elements made of sheet metal and / or plastic.
- the cleaning tunnel 116 may be configured to at least substantially prevent escape of steam and vapor from an interior region of the cleaning tunnel 116.
- the cleaning device further has in the illustrated embodiment, a transport device 118 to convey items 120 to be cleaned.
- this transport device 118 as in the illustrated embodiment, be designed as a basket transport device to convey items to be cleaned 120 in transport baskets 122 in a transport direction 130 through the cleaning tunnel 116.
- the cleaning device 110 and its housing 114 accordingly have an inlet 124 for placing the transport baskets 122 and / or the cleaning product 120 onto the transport device 118.
- the items to be cleaned 120 enter the cleaning tunnel 116 through an inlet opening 123 and, in the illustrated embodiment, optionally pass through several cleaning zones 126 until the items to be cleaned 120 finally leave the housing 114 at an outlet 127 and can be removed from the cleaning apparatus 110 ,
- the cleaning zones 126 in the interior of the cleaning device 110 can, for example, be separated from one another by separating curtains 128 be separated.
- the cleaning zones 126 initially comprise two rinse zones 131, in which the cleaning product 120 is exposed to a cleaning fluid for the purpose of freeing the cleaning product 120 of adhering dirt residues.
- These rinsing zones 131 are in turn divided into a Vorabhoffmzone 132, in which a rinsing of coarse food residues or similar coarse impurities takes place, and adjoining this Vorabhoffmzone 132 Hauptpülzone 142.
- the rinse zone 131 closes in the transport direction 130 in turn directly or indirectly, for example, a rinse zone 149, which in turn is subdivided into a pump rinsing zone 150 and a downstream fresh water rinsing zone 160.
- Each of these cleaning zones 126 preferably includes at least one cleaning system 134, which may include, for example, one or more nozzle systems.
- the pre-evacuation zone 132 includes one or more pre-evacuation zone spray nozzles 136 that may be powered from a pre-evacuation zone tank 138 by a pre-evacuation zone pump 140 in recirculation mode with cleaning fluid.
- the main scavenging zone 142 includes one or more main scavenging spray nozzles 144 which may be supplied with cleaning fluid from a main scavenging zone tank 146 in recirculation mode via a main scavenging pump 148.
- the rinse zone 149 is a departure from this design.
- This includes the pump rinse zone 150 having a pump rinse zone tank 152 from which a pump rinse zone spray nozzle system 156 may be fed via a pump rinse zone pump 158 with a rinse fluid.
- the rinse-off zone 159 downstream of the pump rinsing zone 150, also comprises a fresh-water rinsing zone 160.
- This comprises a fresh-water rinsing zone spray nozzle system 162, which can be supplied with fresh water via a fresh-water inlet 164.
- This fresh water also flows into the pump rinsing zone tank 152 after loading of the product to be cleaned 120 so that it can be used in the rinse pump zone 150 as rinse-aid fluid.
- the fresh water provided via the fresh water inlet 164 constitutes a first final rinse fluid.
- the fresh water already used once in the fresh water rinse zone 160 which is usually slightly contaminated, for example with cleaner residues, is used as the second rinse fluid in the pump rinse zone 150.
- the cleaning device 110 optionally a special supply of fresh water via a fresh water inlet 164, which is optionally performed by a heat recovery device 172 with a blower 174 done.
- the fresh water inlet 164 is further fed via a fresh water boiler 166 and / or a water heater before the fresh water is supplied to the fresh water rinse zone spray nozzle system.
- a fresh water boiler 166 and / or a water heater before the fresh water is supplied to the fresh water rinse zone spray nozzle system.
- another way of supplying fresh water is basically possible.
- the cleaning device 110 has a drying zone 168, which adjoins the cleaning zones 126 in the transport direction 130.
- This drying zone 168 optionally includes a blower 170.
- the cleaning device 110 in the illustrated embodiment comprises a controller 178, for example, a central machine control.
- a decentralized design of the control is also possible in principle. For example, program sequences of the cleaning device 110 can be controlled via the controller 178 and / or individual elements of the cleaning device 110 can be controlled.
- the cleaning device 110 as shown in FIG. 1 is exemplified, is just one of many possible embodiments, as the cleaning device 110 may be configured in principle.
- the cleaning device 110 should only comprise at least one cleaning zone 126, through which the items to be cleaned 120 are transported by means of a transport device 118 in order to be supplied with cleaning fluid in the at least one cleaning zone 126. Accordingly, numerous possible embodiments of the cleaning device 110 are possible and feasible within the scope of the present invention.
- the cleaning device 110 above the inlet opening 123 comprises at least one sensor 182, which in this case may be designed as a height-limiting sensor or height-limiting switch 180.
- the height limit switch 180 is configured in the illustrated embodiment, for example, as a trim part of the cleaning tunnel 116.
- it may comprise a foldable strip or plate extending over the entire clear width of the cleaning tunnel 116. If the item to be cleaned 120 is present, which protrudes upward beyond the lower edge of this bar, then the height limit switch 180 is pressed in, which can lead, for example, to stopping of the transport device 130.
- the sensor 182 may serve, for example, as a safety device in a first function, in order to avoid a faulty charging and / or another type of incorrect operation of the cleaning device 110. Accordingly, the sensor 182 may, for example, via an in FIG. 1 not shown interface with the controller 178 may be connected.
- the senor 182 may also be used by an operator of the cleaning device 110 to communicate control commands to the controller 178.
- the controller 178 and / or remotely located control portions may be configured to be multi-actuated or another type of actuation, which differs from an actuation of the sensor 182 during normal operation of the cleaning device 110 by the items to be cleaned 120, are interpreted as control commands.
- multiple actuations of the sensor 182 for example with a predetermined frequency, for example a minimum frequency or above a minimum frequency, can be interpreted as specific control commands.
- the controller 178 can detect, in addition to a simple switching pulse, such as a falling edge of a voltage signal, which can occur, for example, when actuated by the items to be cleaned 120, a sequence of switching signals, which arises, for example, when a user moves the foldable bar above the Inlet opening 124 repeatedly pressed at a high frequency.
- a sequence of switching signals can be detected and / or a falling and rising voltage edge can be detected and / or distinguished.
- reactions of the controller 178 and / or of the entire cleaning device 110 can generally be generated, for example the switching on of additional pumps 140, 148, 158 and / or the switching on of a blower 174, 170.
- Various designs are possible.
- FIGS. 2a and 2b is again the area of the inlet 124 of the cleaning device 110 shown in a perspective partial view. It shows FIG. 2a a resting state of the cleaning device 110. FIG. 2b shows, however, a state in which the sensor used as a universal switch 182 is pressed in the form of foldable bar above the inlet opening 123 inwards and thus actuated. It can be seen that the hinged bar spans substantially the entire width of the inlet opening 123. In this way, for example, operators of the cleaning device 110 from both sides of the inlet 124 ago this sensor 182, which serves as a universal switch, actuate and thus transmit, for example, control commands to the controller 178.
Landscapes
- Cleaning In General (AREA)
- Washing And Drying Of Tableware (AREA)
- Cleaning By Liquid Or Steam (AREA)
Description
Die Erfindung betrifft eine Reinigungsvorrichtung, bei der ein Sensor in einer Doppelfunktion einmal zur Erkennung von Reinigungsgut und zum anderen zur Übermittlung von Steuerbefehlen eingesetzt wird. Weiterhin betrifft die Erfindung ein Verfahren zum Steuern einer Reinigungsvorrichtung. Derartige Reinigungsvorrichtungen und Verfahren werden allgemein eingesetzt, um Reinigungsgut zu reinigen. Ein besonderer Schwerpunkt liegt dabei im Rahmen der vorliegenden Erfindung auf der Reinigung von Geschirr wie beispielsweise Tellern, Tassen, Gläsern, Besteck, Schalen, Schüsseln, Tabletts oder anderen Arten von Reinigungsgut, welches direkt oder indirekt mit Speisen oder Getränken in Berührung kommt oder für die Zubereitung oder Darreichung von Speisen oder Getränken einsetzbar ist. Die Reinigungsvorrichtung kann dementsprechend insbesondere als Transportgeschirrspülmaschine ausgestaltet sein, insbesondere als Korbtransport- oder Bandtransport-Geschirrspülmaschine. Auch andere Arten von Reinigungsgut und/oder Reinigungsvorrichtungen sind jedoch im Rahmen der vorliegenden Erfindung verwendbar bzw. realisierbar.The invention relates to a cleaning device in which a sensor is used in a dual function once for the detection of items to be cleaned and on the other for the transmission of control commands. Furthermore, the invention relates to a method for controlling a cleaning device. Such cleaning devices and methods are generally used to clean items to be cleaned. A particular focus in the context of the present invention is on the cleaning of dishes such as plates, cups, glasses, cutlery, bowls, bowls, trays or other types of items that come directly or indirectly in contact with food or drinks or for Preparation or presentation of food or drinks is used. Accordingly, the cleaning device can in particular be designed as a transport dishwasher, in particular as a basket transport or belt transport dishwasher. However, other types of items to be cleaned and / or cleaning devices can also be used or realized within the scope of the present invention.
Transportgeschirrspülmaschinen weisen in der Regel einen seitlich und oben offenen Einlaufbereich auf, in dem das Reinigungsgut, beispielsweise Geschirr, direkt oder indirekt, beispielsweise mittels Geschirrkörben, auf eine Transportvorrichtung aufgebracht wird. Die Transportvorrichtung kann beispielsweise ein Transportband umfassen, welches im Einlaufbereich in einen Tunnel der Geschirrspülmaschine einläuft. In diesem Tunnel befinden sich dann eine oder mehrere Zonen, in welchen das Geschirr beispielsweise gereinigt und klargespült wird. Am Ende der Geschirrspülmaschine befindet sich in der Regel wieder ein offener Auslaufbereich, von dem das gereinigte Geschirr entnommen werden kann.Transport dishwashers generally have a side and top open inlet area in which the items to be cleaned, such as dishes, directly or indirectly, for example by means of baskets, is applied to a transport device. The transport device may comprise, for example, a conveyor belt, which runs in the inlet area into a tunnel of the dishwasher. In this tunnel are then one or more zones in which the dishes, for example, cleaned and rinsed clear. At the end of the dishwasher is usually again an open outlet area from which the cleaned dishes can be removed.
Um die Geschirrspülmaschine vor Beschädigungen durch zu hohe Reinigungsgüter zu schützen, ist die Verwendung von Sensoren bekannt. Beispielsweise können optische Sensoren, wie beispielsweise Lichtschranken oder ähnliches, mechanische Sensoren, beispielsweise schwenkbare Bügel, klappbare Schaltleisten oder ähnliches eingesetzt werden, welche am Eingang des Tunnels der Spülmaschine eingesetzt werden. Diese Sensoren erfassen in der Regel die gesamte Öffnungsbreite des Tunnels und werden auch als Höhenbegrenzungsschalter bezeichnet. Wenn ein solcher Sensor ein zu hohes Geschirrteil erkennt, gibt der Sensor ein elektrisches Signal an die zentrale Steuerung der Maschine weiter. Die Lichtschranke kann dieses Signal beispielsweise direkt erzeugen, wohingegen ein mechanischer Sensor in der Regel einen elektrischen Schalter betätigt, der dann ein elektrisches Signal erzeugt. Die Betätigung kann beispielsweise durch mechanische Kopplung oder durch magnetische Beeinflussung erfolgen, beispielsweise eines Reed-Schalters, oder durch vergleichbare Verfahren. Die zentrale Maschinensteuerung schaltet normalerweise die Bewegung der Transportvorrichtung ab und erzeugt optional ein optisches oder akustisches Signal für die Bedienperson. Bekannt sind auch Vorgehensweisen, bei denen der Höhenbegrenzungsschalter direkt auf den Antriebsmotor der Transportvorrichtung wirkt, unter Umgehung der zentralen Maschinensteuerung.In order to protect the dishwasher from damage caused by too high cleaning goods, the use of sensors is known. For example, optical sensors, such as light barriers or the like, mechanical sensors, such as swivel bracket, folding safety edges or the like can be used, which are used at the entrance of the tunnel of the dishwasher. These sensors typically detect the entire opening width of the tunnel and are also referred to as height limit switches. If such a sensor detects too high a piece of crockery, the sensor passes an electrical signal to the central control of the machine. The light barrier can generate this signal directly, for example, whereas a mechanical sensor usually operates an electrical switch, which then generates an electrical signal. The actuation can be effected for example by mechanical coupling or by magnetic influence, for example a reed switch, or by comparable methods. The central machine control normally disables the movement of the transport device and optionally generates an optical or audible signal to the operator. Also known are procedures in which the height limiting switch acts directly on the drive motor of the transport device, bypassing the central machine control.
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The document
Weiterhin ist bekannt, dass bei vielen Geschirrspülmaschinen in Griffweite des Bedienpersonals am Maschineneinlauf Bedienelemente vorgesehen sind. Beispielsweise können dies elektrische Schalter, elektrische Tasten, Tastenfelder in Form einer Folientastatur oder ähnliches sein. Mit diesen Bedienelementen kann das Bedienpersonal Reaktionen der Maschinensteuerung erzeugen. Es kann beispielsweise erforderlich sein, direkt vom Einlauf aus die Geschirrspülmaschine aus dem Status "Betriebsbereit" in den Status "Betrieb" zu versetzen oder umgekehrt. Weiterhin kann es beispielsweise erforderlich sein, direkt vom Arbeitsplatz am Maschineneinlauf aus eine andere Geschwindigkeit der Transportvorrichtung auszuwählen bzw. vorzugeben. Derartig angeordnete dezentrale Bedienelemente sind in der Regel erforderlich, da beispielsweise Transportgeschirrspülmaschinen häufig eine Länge von mehreren Metern aufweisen und daher die Haupt-Bedieneinheit, beispielsweise eine Bedienkonsole an einem zentralen Schaltschrank, vom Einlauf zu weit entfernt ist, um schnell und bequem erreichbar zu sein.Furthermore, it is known that controls are provided in many dishwashers within reach of the operator at the machine inlet. For example, these may be electrical switches, electrical buttons, keypads in the form of a membrane keyboard or the like. With these controls, the operator can generate reactions of the machine control. It may be necessary, for example, to move the dishwasher from the ready state to the operating state directly from the inlet, or vice versa. Furthermore, it may be necessary, for example, to select or specify a different speed of the transport device directly from the workstation at the machine inlet. Such arranged decentralized controls are usually required because, for example, transport dishwashers often have a length of several meters and therefore the main control unit, such as a control panel on a central cabinet, from the inlet is too far away to be quickly and easily accessible.
Nachteilig an diesen bekannten Konstruktionen ist jedoch, dass jedes der genannten Bedienelemente eine eigene elektrische Versorgung zur dezentralen Steuerung benötigt. Jedes der Schaltelemente, seien es die Sensoren oder die Bedienelemente, benötigt zudem Bauraum und erfordert einen Montageaufwand. Jedes zusätzlich vorhandene Schaltelement erhöht zudem die Ausfallwahrscheinlichkeit des gesamten Systems.A disadvantage of these known constructions, however, is that each of the aforementioned controls requires its own electrical power supply for decentralized control. Each of the switching elements, be it the sensors or the controls, also requires space and requires installation effort. Each additional switching element also increases the probability of failure of the entire system.
Diese technischen Herausforderungen erhöhen sich zusätzlich bei sehr breiten Transportgeschirrspülmaschinen. Ist beispielsweise eine Transportgeschirrspülmaschine besonders breit konstruiert, wobei am Markt Durchlaufgeschirrspülmaschinen mit Durchfahrtsbreiten von mehr als 1 m bekannt sind, befindet sich in der Regel auf beiden Seiten des Einlaufs ein Arbeitsplatz zum Beschicken der Transportvorrichtung. Damit die gewünschten Eingriffe in den Arbeitsablauf von allen Bedienplätzen vorgenommen werden können, müssen an jeder Seite des Einlauftunnels dezentrale Bedienelemente vorgesehen werden. Dies erhöht den oben beschriebenen Aufwand zusätzlich.These technical challenges are further increased with very wide conveyor dishwashers. For example, if a transport dishwasher is designed to be particularly broad, with the market Durchlaufgeschirrspülmaschinen with passage widths of more than 1 m are known, there is usually a workplace for loading the transport device on both sides of the inlet. Decentralized operating elements must be provided on each side of the intake tunnel so that the desired interventions in the work process can be carried out by all operator stations. This additionally increases the effort described above.
Es ist daher eine Aufgabe der Erfindung, eine Reinigungsvorrichtung und ein Verfahren zum Steuern einer Reinigungsvorrichtung bereitzustellen, welche die Nachteile bekannter Reinigungsvorrichtungen und Verfahren vermeiden. Insbesondere soll eine kostengünstige, einfach zu realisierende und zuverlässige Steuerung der Reinigungsvorrichtung auch vom Einlauf der Reinigungsvorrichtung aus bereitgestellt werden.It is therefore an object of the invention to provide a cleaning device and a method for controlling a cleaning device, which avoid the disadvantages of known cleaning devices and methods. In particular, a cost-effective, easy to implement and reliable control of the cleaning device should also be provided from the inlet of the cleaning device.
Diese Aufgabe wird gelöst durch eine Reinigungsvorrichtung und ein Verfahren mit den Merkmalen der unabhängigen Patentansprüche. Vorteilhafte Weiterbildungen der Erfindung, welche einzeln oder in Kombination realisierbar sind, sind in den abhängigen Patentansprüchen dargestellt.This object is achieved by a cleaning device and a method having the features of the independent claims. Advantageous developments of the invention, which can be implemented individually or in combination, are shown in the dependent claims.
In einem ersten Aspekt der vorliegenden Erfindung wird eine Reinigungsvorrichtung zur Reinigung von Reinigungsgut vorgeschlagen. Wie oben ausgeführt, kann es sich bei diesem Reinigungsgut insbesondere um Geschirr, beispielsweise der oben beschriebenen Art, handeln. Grundsätzlich sind jedoch auch andere Arten von Reinigungsgut reinigbar, wie beispielsweise industrielle Güter, Maschinenteile oder ähnliches. Im Folgenden wird die Reinigungsvorrichtung ohne Beschränkung weiterer möglicher Einsatzgebiete unter Bezugnahme auf Durchlaufgeschirrspülmaschinen für den gewerblichen Einsatz beschrieben, insbesondere unter Bezugnahme auf Bandtransport- und/oder Korbtransport-Geschirrspülmaschinen, wie sie beispielsweise in Großküchen in Betrieben, Behörden, Schulen, Mensen, Krankenhäusern, Pflegeeinrichtungen oder anderen Arten von Großküchen einsetzbar sind.In a first aspect of the present invention, a cleaning device for cleaning items to be cleaned is proposed. As stated above, this item to be cleaned can be, in particular, dishes, for example of the type described above. In principle, however, other types of cleaning goods are cleanable, such as industrial goods, machine parts or the like. In the following, the cleaning device will be described without limitation of other possible applications with reference to continuous dishwashers for commercial use, in particular with reference to tape transport and / or basket transport dishwashers, as for example in commercial kitchens in businesses, authorities, schools, refectories, hospitals, care facilities or other types of commercial kitchens are used.
Die Reinigungsvorrichtung umfasst mindestens eine Reinigungszone zur Beaufschlagung des Reinigungsguts mit mindestens einem Reinigungsfluid. Die Reinigungszone kann offen oder geschlossen ausgestaltet sein und kann insbesondere, wie unten noch näher ausgeführt wird, von mindestens einem Gehäuse umgeben sein. Beispielsweise können eine oder mehrere der im Folgenden genannten Reinigungszonen vorgesehen sein: eine Vorabräumzone, eine oder mehrere Waschzonen oder Hauptreinigungszonen, eine oder mehrere Nachspülzonen, insbesondere eine Pumpenklarspülzone und/oder eine Frischwasserklarspülzone. Die genannten Zonen, von denen auch lediglich eine oder mehrere vorhanden sein können, können insbesondere in der dargestellten Reihenfolge entlang einer Transportrichtung angeordnet sein.The cleaning device comprises at least one cleaning zone for charging the cleaning material with at least one cleaning fluid. The cleaning zone may be designed to be open or closed and, in particular, as will be explained in more detail below, may be surrounded by at least one housing. For example, one or more of the following cleaning zones may be provided: a pre-evacuation zone, one or more washing zones or main cleaning zones, one or more final rinsing zones, in particular a pump rinsing zone and / or a fresh water rinsing zone. The said zones, of which only one or more can be present, can be arranged in particular in the illustrated sequence along a transport direction.
Unter einem Reinigungsfluid ist dabei grundsätzlich ein beliebiges Fluid zu verstehen, also beispielsweise ein Gas und/oder eine Flüssigkeit, welches einen Reinigungseffekt, also einen Effekt eines Abtrags von Verschmutzungen und/oder eine Desinfektion und/oder eine Sterilisation, auf das Reinigungsgut aufweist. Beispielsweise kann das mindestens eine Reinigungsfluid mindestens ein wässriges Reinigungsfluid umfassen, also Wasser mit oder ohne Zusatz von Hilfsstoffen wie beispielsweise Reinigern und/oder Klarspülern.Under a cleaning fluid is basically any fluid to understand, so for example, a gas and / or a liquid, which has a cleaning effect, ie an effect of removal of dirt and / or disinfection and / or sterilization on the cleaning material. For example, the at least one cleaning fluid may comprise at least one aqueous cleaning fluid, ie water with or without the addition of auxiliaries, for example cleaners and / or rinse aids.
Weiterhin umfasst die Reinigungsvorrichtung mindestens eine Transportvorrichtung zum Transport des Reinigungsguts durch die mindestens eine Reinigungszone. Beispielsweise kann diese Transportvorrichtung ein oder mehrere Transportbänder, eine oder mehrere Transportrollen, eine Klinkentransportvorrichtung, ein Zugseil oder eine andere Art von Transportvorrichtung umfassen. Wie oben ausgeführt, können insbesondere ein Bandtransport und/oder ein Korbtransport vorgesehen sein. Das Reinigungsgut kann beispielsweise in einer Transportrichtung durch die Reinigungszonen transportiert werden.Furthermore, the cleaning device comprises at least one transport device for transporting the cleaning product through the at least one cleaning zone. For example, this transport device may comprise one or more conveyor belts, one or more transport rollers, a pawl transport device, a pull cable or another type of transport device. As stated above, in particular a belt transport and / or a basket transport can be provided. The items to be cleaned can, for example, be transported through the cleaning zones in a transport direction.
Die Reinigungsvorrichtung umfasst weiterhin mindestens einen Sensor zur Erkennung des Reinigungsguts. Unter einem Sensor ist dabei grundsätzlich eine beliebige Art von Vorrichtung zu verstehen, welche eine Eigenschaft oder eine Eigenschaftsänderung qualitativ oder quantitativ erfassen kann. Unter einer Erkennung des Reinigungsguts kann dabei grundsätzlich eine Erkennung mindestens einer beliebigen Eigenschaft des Reinigungsguts verstanden werden, einschließlich der Eigenschaft, dass überhaupt Reinigungsgut vorhanden ist. Beispielsweise kann unter einer Erkennung verstanden werden, dass überhaupt Reinigungsgut vorhanden ist, welche Höhe dieses Reinigungsgut (beispielsweise welche Höhe oberhalb der Transportvorrichtung) das Reinigungsgut aufweist, welcher Art das Reinigungsgut ist, welchen Verschmutzungsgrad das Reinigungsgut aufweist, welche Breite (beispielsweise quer zur Transportrichtung) das Reinigungsgut aufweist oder eine Kombination der genannten Eigenschaften und/oder anderer Eigenschaften. Mit umfasst von einer Erkennung des Reinigungsguts soll auch beispielsweise der Fall sein, dass erkannt wird, ob die Eigenschaft des Reinigungsguts ein bestimmtes Kriterium erfüllt oder nicht. So kann beispielsweise erkannt werden, ob eine Höhe des Reinigungsguts, also ein maximaler Abstand, den das Reinigungsgut oberhalb der Transportvorrichtung von der Transportvorrichtung aus aufweist, einen Grenzwert erreicht bzw. überschreitet oder nicht. Beispielsweise kann der Sensor einen Höhensensor umfassen, also einen Sensor, welcher erkennt, ob das Reinigungsgut eine maximale Höhe überschreitet oder nicht. Bei anderen Arten von Transportvorrichtungen kann die Höhe durch entsprechend andere Parameter ersetzt werden, wie beispielsweise bei einem hängenden Transport durch einen Abstand unterhalb der Aufhängung. Auch andere Arten von Eigenschaften des Reinigungsguts können erkannt werden.The cleaning device further comprises at least one sensor for detecting the cleaning product. Under a sensor is basically any type of device to understand, which can detect a property or a property change qualitatively or quantitatively. Under a detection of the cleaning material can basically be understood a recognition of at least one arbitrary property of the cleaning, including the property that any cleaning material is present. For example, can be understood by a recognition that any cleaning material is present, what height of this cleaning (for example, which height above the transport device) the cleaning material, what kind is the cleaning, what degree of contamination the cleaning has, what width (for example, transverse to the transport direction) has the cleaning material or a combination of the properties mentioned and / or other properties. By including a detection of the cleaning should also be, for example, the case that is recognized whether the property of the cleaning product meets a certain criterion or not. For example, it can be detected whether a height of the cleaning product, ie a maximum distance, the cleaning material above the transport device from the transport device, reaches or exceeds a threshold or not. For example, the sensor may include a height sensor, that is, a sensor which detects whether the items to be cleaned exceed a maximum height or not. In other types of transport devices, the height may be replaced by other parameters, such as hanging transport by a distance below the suspension. Other types of properties of the cleaning product can be detected.
Der Sensor soll dabei derart eingerichtet sein, dass dieser für einen Benutzer der Reinigungsvorrichtung von außen zugänglich ist. Unter einer Zugänglichkeit von außen soll dabei eine Zugänglichkeit verstanden werden, welche auch während des Betriebes der Reinigungsvorrichtung gegeben ist, ohne dass beispielsweise ein Gehäuse der Maschine geöffnet werden muss. Insbesondere kann die Zugänglichkeit derart ausgestaltet sein, dass der Benutzer nicht ins Innere des Gehäuses, beispielsweise ins Innere des Reinigungstunnels, eingreifen muss. Besonders bevorzugt ist es, wie unten noch näher ausgeführt wird, wenn der Sensor einem Benutzer, welcher im Bereich eines Einlaufs der Reinigungsvorrichtung positioniert ist, zugänglich ist.The sensor should be set up so that it is accessible to a user of the cleaning device from the outside. Accessibility from the outside is understood to mean accessibility, which is also given during operation of the cleaning device, without, for example, having to open a housing of the machine. In particular, the accessibility can be configured such that the user does not have to intervene in the interior of the housing, for example in the interior of the cleaning tunnel. It is particularly preferred, as will be explained in more detail below, if the sensor is accessible to a user who is positioned in the region of an inlet of the cleaning device.
Zur Lösung der oben beschriebenen Problematik wird vorgeschlagen, den Sensor in einer Doppelfunktion einzusetzen. Neben der Einrichtung des Sensors zur Erkennung des Reinigungsguts wird dementsprechend vorgeschlagen, die Reinigungsvorrichtung derart einzurichten, um einem Benutzer durch Betätigung des Sensors eine Übermittlung von Steuerbefehlen an eine Steuerung der Reinigungsvorrichtung zu ermöglichen. Unter einem Steuerbefehl ist dabei grundsätzlich eine beliebige Form einer elektronischen Anweisung zu verstehen, welche mindestens einen Zustand oder Betriebszustand der Reinigungsvorrichtung ändert. Die Übermittlung des mindestens einen Steuerbefehls kann direkt an eine zentrale Steuerung erfolgen, oder kann, alternativ oder zusätzlich, auch dezentral an mindestens ein weiteres Steuerelement der Reinigungsvorrichtung erfolgen, beispielsweise an eine dezentrale Steuerung eines oder mehrerer Bestandteile der Reinigungsvorrichtung wie beispielsweise die Transportvorrichtung, eine Pumpe, ein Gebläse oder ähnliches.To solve the problem described above, it is proposed to use the sensor in a dual function. In addition to the device of the sensor for detecting the cleaning product is accordingly proposed to set up the cleaning device so as to allow a user by operation of the sensor, a transmission of control commands to a control of the cleaning device. Under a control command is basically any form of electronic instruction to understand, which changes at least one state or operating state of the cleaning device. The transmission of the at least one control command can be made directly to a central control, or may, alternatively or additionally, also be done decentralized to at least one other control of the cleaning device, for example to a decentralized control of one or more components of the cleaning device such as the transport device, a pump , a blower or similar.
Der Sensor kann insbesondere in mindestens einer Betätigungsart durch den Benutzer betätigbar sein, die sich von einer Betätigung des Sensors durch das Reinigungsgut unterscheidet. Beispielsweise kann diese Betätigungsart sich in einer Intensität, einer Betätigungsrichtung, einer Betätigungsfrequenz, einer Geschwindigkeit der Betätigung oder in anderer Weise von einer üblichen Betätigung durch das Reinigungsgut unterscheiden. Die Steuerung kann eingerichtet sein, um diese Betätigung in der Betätigungsart, die sich von der Betätigung des Sensors durch das Reinigungsgut unterscheidet, als mindestens einen Steuerbefehl zu interpretieren.The sensor can be actuated in particular in at least one manner of actuation by the user, which differs from an actuation of the sensor by the items to be cleaned. For example, this type of actuation may differ in intensity, actuation direction, actuation frequency, speed of actuation, or otherwise from normal operation by the items to be cleaned. The controller can be set up to interpret this actuation in the type of actuation, which differs from the actuation of the sensor by the items to be cleaned, as at least one control command.
Es sind mindestens zwei Betätigungsarten vorgesehen, die sich von einer Betätigung des Sensors durch das Reinigungsgut unterscheiden. Diese mindestens zwei Betätigungsarten unterscheiden sich in einer Anzahl der Betätigungen des Sensors. Beispielsweise kann in einer ersten Betätigungsart der Sensor zweimal betätigt werden, beispielsweise mit einer Mindestfrequenz oder einer höheren Frequenz, wohingegen in einer zweiten Betätigungsart der Sensor dreimal oder mehr als dreimal betätigt werden kann, beispielsweise ebenfalls mit der Mindestfrequenz oder einer höheren Frequenz. Die Steuerung ist dann eingerichtet, um die mindestens zwei Betätigungsarten als unterschiedliche Steuerbefehle zu interpretieren. Beispielsweise kann in der Steuerung eine Liste hinterlegt sein, welche jeder Betätigungsart einen Steuerbefehl zuordnet. Diese Liste kann beispielsweise eine elektronische Liste, eine Lookup-Table oder eine andere Art elektronischer Liste umfassen.
Die Betätigungsart kann beispielsweise eine wiederholte Betätigung des Sensors umfassen, insbesondere eine wiederholte Betätigung mit einer Frequenz, die mindestens eine Mindestfrequenz beträgt. Beispielsweise kann ein Benutzer den Sensor wiederholt betätigen, mit einer Geschwindigkeit, welche bei einem üblichen Betrieb der Reinigungsvorrichtung nicht auftritt.At least two types of actuation are provided, which differ from an actuation of the sensor by the items to be cleaned. These at least two types of actuation differ in a number of operations of the sensor. For example, in a first mode of operation, the sensor may be actuated twice, for example at a minimum frequency or at a higher frequency, whereas in a second mode of operation the sensor may be actuated three times or more than three times, for example also at the minimum frequency or at a higher frequency. The controller is then set up to interpret the at least two types of actuation as different control commands. For example, a list can be stored in the controller, which assigns a control command to each type of actuation. This list may include, for example, an electronic list, a lookup table, or another type of electronic list.
The type of actuation may comprise, for example, a repeated actuation of the sensor, in particular a repeated actuation with a frequency which is at least a minimum frequency. For example, a user may repeatedly actuate the sensor at a speed that does not occur during normal operation of the cleaning device.
Unter einem Steuerbefehl ist, wie oben ausgeführt, eine beliebige Anweisung an die Reinigungsvorrichtung zu verstehen, mittels derer mindestens ein Zustand und/oder mindestens eine Betriebsart und/oder mindestens ein Parameter der Reinigungsvorrichtung geändert werden kann. Als Beispiel kann der Steuerbefehl einen oder mehrere der folgenden Steuerbefehle umfassen: ein Abschalten der Transportvorrichtung; ein Starten der Transportvorrichtung; eine Veränderung einer Transportgeschwindigkeit der Transportvorrichtung; eine Ansteuerung einer Pumpe zum Befördern des mindestens einen Reinigungsfluids, insbesondere ein An- oder Abschalten der Pumpe; eine Ansteuerung mindestens eines Gebläses, insbesondere ein An- oder Abschalten des Gebläses; eine Umkehr einer Transportrichtung. Auch andere Steuerbefehle sind jedoch alternativ oder zusätzlich übermittelbar.A control command, as stated above, means any instruction to the cleaning device by means of which at least one state and / or at least one operating mode and / or at least one parameter of the cleaning device can be changed. As an example, the control command may include one or more of the following control commands: turning off the transport device; starting the transport device; a change in a transport speed of the transport device; a control of a pump for conveying the at least one cleaning fluid, in particular a switching on or off of the pump; a control of at least one fan, in particular a connection or disconnection of the fan; a reversal of a transport direction. However, other control commands are alternatively or additionally transmitted.
Die Reinigungsvorrichtung kann insbesondere mindestens einen Reinigungstunnel aufweisen. Unter einem Reinigungstunnel ist dabei grundsätzlich ein beliebiges Gehäuse zu verstehen, insbesondere ein Gehäuse, in welchem die mindestens eine Reinigungszone aufgenommen ist. Beispielsweise kann das Gehäuse ein Metallgehäuse sein, welches den Reinigungstunnel vollständig oder teilweise umschließt. Die Reinigungsvorrichtung kann weiterhin mindestens einen Einlauf aufweisen. Unter einem Einlauf ist dabei ein Bereich zu verstehen, in welchem die Transportvorrichtung das Reinigungsgut in den Reinigungstunnel hinein transportieren kann. Insbesondere kann dieser Bereich mindestens eine Öffnung in dem Reinigungstunnel aufweisen, welche im Folgenden auch als Einlauföffnung bezeichnet wird, durch welche das Reinigungsgut in den Reinigungstunnel eintreten kann. Beispielsweise kann die Reinigungsvorrichtung derart eingerichtet sein, dass diese teilweise innerhalb und teilweise außerhalb des Reinigungstunnels angeordnet ist, wobei das Reinigungsgut an dem Einlauf, insbesondere durch die Einlauföffnung, in den Reinigungstunnel eintritt. Der mindestens eine Sensor kann insbesondere an dem Einlauf angeordnet sein, beispielsweise an der Einlauföffnung. Alternativ oder zusätzlich können jedoch auch Sensoren an anderen Orten der Reinigungsvorrichtung angeordnet sein. Die Anordnung des Sensors am Einlauf ermöglicht jedoch einem Benutzer, welcher an dieser Stelle positioniert ist, den Sensor zu betätigen und auf diese Weise Steuerbefehle zu übermitteln. Am Einlauf befinden sich häufig Arbeitsplätze für Benutzer, da an dieser Stelle in der Regel die Transportvorrichtung direkt oder indirekt mit dem Reinigungsgut, beispielsweise dem Geschirr, beschickt wird. Zudem treten an dieser Stelle die meisten Störungen auf, beispielsweise indem Geschirr eine Mindesthöhe überschreitet. Insofern ist das Vorhandensein eines Sensors am Einlauf besonders vorteilhaft. Der Sensor kann insbesondere am Einlauf von einem Benutzer von beiden Seiten der Transportvorrichtung aus betätigbar sein. Beispielsweise kann die Transportvorrichtung ein Transportband umfassen, welches am Einlauf in den Reinigungstunnel hineinführt. In diesem Fall können beispielsweise auf beiden Seiten der Transportvorrichtung Arbeitsplätze vorgesehen sein, von welchen aus Benutzer den Sensor betätigen können. Der Sensor kann dabei den Einlauf, insbesondere die Einlauföffnung, zumindest teilweise, vorzugsweise vollständig, überspannen. Weist beispielsweise der Einlauf, insbesondere die Einlauföffnung, eine Breite auf, also beispielsweise eine lichte Weite, so kann der Sensor beispielsweise diese Einlauföffnung zumindest teilweise, vorzugsweise vollständig, überspannen. Der Sensor kann beispielsweise als bewegbares Verkleidungsteil der Reinigungsvorrichtung ausgestaltet sein, insbesondere als bewegbares Verkleidungsteil, welches oberhalb des Einlaufs der Reinigungsvorrichtung, insbesondere oberhalb der Einlauföffnung, angeordnet ist. Insbesondere kann es sich bei diesem bewegbaren Verkleidungsteil um eine klappbare Leiste, eine klappbare Platte oder einen klappbaren Bügel handeln, welcher um mindestens eine Achse schwenkbar ist, vorzugsweise um eine Achse quer zur Transportrichtung, beispielsweise eine horizontale Achse senkrecht zur Transportrichtung. Ein derartiges Verkleidungsteil oberhalb des Einlaufs, insbesondere oberhalb der Einlauföffnung, kann beispielsweise gleichzeitig als Höhensensor zur Erfassung einer Überhöhe dienen und entsprechend als Steuerelement, über welches der Benutzer den mindestens einen Steuerbefehl an die Reinigungsvorrichtung bzw. die Steuerung übermitteln kann.The cleaning device may in particular have at least one cleaning tunnel. Under a cleaning tunnel is basically an arbitrary housing to understand, in particular a housing in which the at least one cleaning zone is added. For example, the housing may be a metal housing which completely or partially encloses the cleaning tunnel. The cleaning device may further comprise at least one inlet. Under an enema is an area to understand in which the transport device can transport the cleaning material in the cleaning tunnel into it. In particular, this area can have at least one opening in the cleaning tunnel, which is also referred to below as an inlet opening, through which the items to be cleaned can enter the cleaning tunnel. For example, the cleaning device may be arranged such that it is partially disposed within and partially outside the cleaning tunnel, wherein the cleaning material at the inlet, in particular through the inlet opening, in the cleaning tunnel entry. The at least one sensor can be arranged in particular at the inlet, for example at the inlet opening. Alternatively or additionally, however, sensors can also be arranged at other locations of the cleaning device. The arrangement of the sensor at the inlet, however, allows a user, who is positioned at this point, to operate the sensor and in this way to transmit control commands. At the inlet are often jobs for users, as at this point usually the transport device is directly or indirectly with the cleaning, for example, the dishes loaded. In addition, most disturbances occur at this point, for example when dishes exceed a minimum height. In this respect, the presence of a sensor at the inlet is particularly advantageous. The sensor can be actuated in particular at the inlet by a user from both sides of the transport device. For example, the transport device may comprise a conveyor belt, which leads into the cleaning tunnel at the inlet. In this case, for example, jobs can be provided on both sides of the transport device, from which users can operate the sensor. The sensor can at least partially, preferably completely, span the inlet, in particular the inlet opening. If, for example, the inlet, in particular the inlet opening, has a width, that is, for example a clear width, then the sensor can, for example, span this inlet opening at least partially, preferably completely. The sensor can be configured, for example, as a movable covering part of the cleaning device, in particular as a movable covering part, which is arranged above the inlet of the cleaning device, in particular above the inlet opening. In particular, this movable covering part may be a foldable strip, a hinged plate or a foldable bow, which is pivotable about at least one axis, preferably about an axis transverse to the transport direction, for example a horizontal axis perpendicular to the transport direction. Such a covering part above the inlet, in particular above the inlet opening, for example, simultaneously serve as a height sensor for detecting an excess and accordingly as a control over which the user can transmit the at least one control command to the cleaning device or the controller.
Allgemein kann der Sensor beispielsweise mindestens einen Höhensensor zur Erfassung einer Überhöhe des Reinigungsgut umfassen. Eine Überhöhe ist eine Höhe des Reinigungsguts oberhalb der Transportvorrichtung, welche eine maximale Höhe erreicht oder überschreitet. Bei einem hängenden Transport sind entsprechend Höhen unterhalb der Transportvorrichtung anzusetzen, welche eine maximale Höhe erreichen oder überschreiten. Alternativ oder zusätzlich kann der Sensor auch mindestens einen Breitensensor zur Erfassung einer Überbreite des Reinigungsguts umfassen. Beispielsweise kann eine Überbreite jegliche Art eines Hinausragens des Reinigungsguts über seitliche Begrenzungen neben der Transportvorrichtung sein. Beide Fälle, beispielsweise der Höhensensor und der Breitensensor, können insbesondere, wie oben ausgeführt, durch bewegbare Verkleidungsteile im Bereich des Einlaufs der Reinigungsvorrichtung realisiert werden, welche auch für einen Benutzer gut erreichbar sind, beispielsweise durch einen oder mehrere belegbare Verkleidungsteile, welche vollständig oder teilweise mindestens einen Rand der Einlauföffnung bilden.In general, the sensor may comprise, for example, at least one height sensor for detecting an excess height of the items to be cleaned. An excess height is a height of the cleaning material above the transport device, which reaches or exceeds a maximum height. In the case of a suspended transport, heights corresponding to heights below the transport device are to be set, which reach or exceed a maximum height. Alternatively or additionally, the sensor may also include at least one width sensor for detecting an excess width of the cleaning product. For example, an excess width may be any kind of protrusion of the cleaning material over lateral boundaries next to the transport device. Both cases, for example the height sensor and the width sensor, can in particular, as stated above, be realized by movable covering parts in the region of the inlet of the cleaning device, which are also easily accessible to a user, for example by one or more covering parts, which are completely or partially form at least one edge of the inlet opening.
Der Sensor kann insbesondere mindestens einen der folgenden Sensoren umfassen: einen optischen Sensor, insbesondere eine Lichtschranke; einen mechanischen Sensor, insbesondere einen Seilsensor, einen Schalter (insbesondere einen Druckschalter und/oder einen Kippschalter), einen schwenkbaren Bügel oder eine klappbare Schaltleiste oder Kombinationen der genannten Sensoren und/oder anderer Sensoren.The sensor may in particular comprise at least one of the following sensors: an optical sensor, in particular a light barrier; a mechanical sensor, in particular a cable sensor, a switch (in particular a pressure switch and / or a toggle switch), a pivotable bracket or a foldable safety edge or combinations of said sensors and / or other sensors.
Weiterhin wird ein Verfahren zum Steuern einer Reinigungsvorrichtung vorgeschlagen. Bei der Reinigungsvorrichtung handelt es sich um eine Reinigungsvorrichtung gemäß einer oder mehreren der oben dargelegten Ausgestaltungen. Dementsprechend kann für die möglichen Ausgestaltungen der Reinigungsvorrichtung auf die obige Beschreibung verwiesen werden. Grundsätzlich sind jedoch auch andere Ausgestaltungen der Reinigungsvorrichtungen denkbar.Furthermore, a method for controlling a cleaning device is proposed. The cleaning device is a cleaning device according to one or more of the embodiments set forth above. Accordingly, reference may be made to the above description for the possible embodiments of the cleaning device. In principle, however, other embodiments of the cleaning devices are conceivable.
Bei dem vorgeschlagenen Verfahren wird mindestens ein Sensor zur Erkennung des Reinigungsguts verwendet. Der Sensor ist für einen Benutzer der Reinigungsvorrichtung von außen zugänglich. Weiterhin wird vorgeschlagen, dass der Sensor zusätzlich für eine Übermittlung von Steuerbefehlen eines Benutzers an eine Steuerung der Reinigungsvorrichtung verwendet wird.In the proposed method, at least one sensor is used to detect the items to be cleaned. The sensor is accessible to a user of the cleaning device from the outside. Furthermore, it is proposed that the sensor is additionally used for a transmission of control commands of a user to a controller of the cleaning device.
Die oben vorgeschlagene Reinigungsvorrichtung und das vorgeschlagene Verfahren weisen gegenüber bekannten Reinigungsvorrichtungen und Verfahren zahlreiche Vorteile auf.The above-proposed cleaning device and the proposed method have numerous advantages over known cleaning devices and methods.
So entsteht durch die doppelte Nutzung des Sensors zur Erkennung des Reinigungsguts und zur Nutzung von Steuerbefehlen an die Steuerung kein zusätzlicher Platzbedarf für die zusätzliche Bedienfunktion. Es werden keine zusätzlichen Bauteile benötigt, und es entsteht kein zusätzlicher Montageaufwand.As a result of the double use of the sensor for the detection of the items to be cleaned and the use of control commands to the controller no additional space is required for the additional operating function. There are no additional components needed, and there is no additional installation work.
Der vorhandene mechanische Sensor, z.B. in Form eines sich quer über die gesamte lichte Breite des Tunnels erstreckenden schwenkbaren Bügels oder einer sich über die gesamte lichte Breite des Tunnels erstreckenden klappbaren Leiste oder Platte, kann auch zur Erzeugung der zusätzlichen Steuersignale an die Steuerung benutzt werden. Dies kann auf einfachste Weise beispielsweise dadurch erfolgen, dass die Steuerung außer einem einfachen Schaltimpuls, beispielsweise in Form einer abfallenden Flanke eines Spannungssignals, auch eine Folge von Schaltsignalen erkennen kann und/oder abfallende und/oder ansteigende Spannungsflanken erkennen und unterscheiden kann. So sind beispielsweise Schaltzustände realisierbar, bei welchen beispielsweise ein einmaliges Wechseln eines Signals des Schalters innerhalb von zwei Sekunden ein Anhalten der Transportvorrichtung bzw. des Transportantriebs bedeutet, wohingegen ein zweimaliges Wechseln des Signals des Schalters innerhalb von zwei Sekunden ein Umschalten der Transportgeschwindigkeit bedeutet. Ein dreimaliges Wechseln des Signals des Schalters innerhalb von zwei Sekunden kann beispielsweise ein weiteres Umschalten der Transportgeschwindigkeit bedeuten usw. Auch andere Zuordnungen sind jedoch grundsätzlich möglich.The existing mechanical sensor, for example in the form of a pivoting bracket extending across the entire clear width of the tunnel or a hinged bar or plate extending over the entire clear width of the tunnel, can also be used to generate the additional control signals to the controller. This can be done in the simplest manner, for example, by the fact that the controller can detect a sequence of switching signals and / or recognize and distinguish falling and / or rising voltage edges, in addition to a simple switching pulse, for example in the form of a falling edge of a voltage signal. So For example, switching states can be realized in which, for example, a single change of a signal of the switch within two seconds means a stop of the transport device or the transport drive, whereas a two-time change of the signal of the switch means a switching of the transport speed within two seconds. For example, changing the signal of the switch three times within two seconds may mean a further change of the transport speed, etc. However, other assignments are also possible in principle.
Mittels der Erkennung solcher Schaltmuster können natürlich auch andere Reaktionen der Steuerung der Reinigungsvorrichtung bzw. der Reinigungsvorrichtung selbst erzeugt werden, beispielsweise ein Einschalten zusätzlicher Pumpen und/oder Gebläse oder andere Reaktionen.By means of the detection of such switching patterns, of course, other reactions of the control of the cleaning device or the cleaning device itself can be generated, for example, switching on additional pumps and / or blowers or other reactions.
Das beschriebene Verfahren lässt sich ohne weiteres auch auf die Verwendung optischer Sensoren und/oder Höhenerkennungssensoren übertragen. Als mechanischer Höhenerkennungssensor kann auch beispielsweise ein Seilsensor mit Zugschalter realisiert werden, dessen Schaltseil beispielsweise quer über die lichte Breite des Tunnels gespannt ist.The method described can be easily transferred to the use of optical sensors and / or height detection sensors. As a mechanical height detection sensor, for example, a cable sensor with a pull switch can be realized, the shift cable, for example, is stretched across the clear width of the tunnel.
Besonders einfach realisierbar ist die oben beschriebene Ausgestaltung, bei welcher beispielsweise das gesamte Verkleidungsblech am Einlauftunnel der Maschine schwenkbar ausgeführt sein kann und beispielsweise gleichzeitig einen mechanischen Höhenbegrenzungsschalter und einen Universalschalter zum Übermitteln von Steuerbefehlen bilden kann. Da der mechanische Höhenerkennungssensor ohnehin relativ robust ausgestaltet sein sollte, ist auch eine leichte und störungsfreie Betätigung durch Bedienpersonal am Einlauf der Reinigungsvorrichtung möglich. Zusätzlich kann die Sonderfunktion der Signalübermittlung an die Steuerung auch beispielsweise von beiden Seiten der Maschine abgerufen werden, ohne dass zusätzliche Schaltelemente erforderlich werden, denn der Höhenerkennungssensor verläuft in der Regel über die gesamte Maschinenbreite.Particularly easy to implement is the above-described embodiment, in which, for example, the entire cladding sheet on the inlet tunnel of the machine can be made pivotable and, for example, can simultaneously form a mechanical height limit switch and a universal switch for transmitting control commands. Since the mechanical height detection sensor should be designed to be relatively robust anyway, even a light and trouble-free operation by operators at the inlet of the cleaning device is possible. In addition, the special function of the signal transmission to the controller can also be retrieved, for example, from both sides of the machine, without additional switching elements are required, because the height detection sensor usually runs over the entire machine width.
Weitere Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels, insbesondere in Verbindung mit den Unteransprüchen. Hierbei können die jeweiligen Merkmale für sich alleine oder zu mehreren in Kombination miteinander verwirklicht sein. Die Erfindung ist nicht auf das Ausführungsbeispiel beschränkt. Gleiche Bezugsziffern in einzelnen Figuren bezeichnen dabei gleiche oder funktionsgleiche bzw. hinsichtlich ihrer Funktionen einander entsprechende Elemente.Further features and details of the invention will become apparent from the following description of a preferred embodiment, in particular in conjunction with the subclaims. In this case, the respective features can be implemented on their own or in combination with one another. The invention is not limited to the embodiment. The same reference numerals in individual figures designate the same or functionally identical or with respect to their functions corresponding elements.
Im Einzelnen zeigen:
- Figur 1
- ein Ausführungsbeispiel einer erfindungsgemäßen Reinigungsvorrichtung in Schnittdarstellung; und
- Figuren 2a und 2b
- den Einlauf der Reinigungsvorrichtung gemäß
Figur 1 im Ruhezustand (Figur 2a ) und mit betätigtem Sensor (Figur 2b ).
- FIG. 1
- an embodiment of a cleaning device according to the invention in sectional view; and
- FIGS. 2a and 2b
- the inlet of the cleaning device according to
FIG. 1 at rest (FIG. 2a ) and with actuated sensor (FIG. 2b ).
In
Die Reinigungsvorrichtung weist weiterhin in dem dargestellten Ausführungsbeispiel eine Transportvorrichtung 118 auf, um Reinigungsgut 120 zu befördern. Beispielsweise kann diese Transportvorrichtung 118, wie in dem dargestellten Ausführungsbeispiel, als Korbtransportvorrichtung ausgestaltet sein, um Reinigungsgut 120 in Transportkörben 122 in einer Transportrichtung 130 durch den Reinigungstunnel 116 zu befördern. Die Reinigungsvorrichtung 110 und deren Gehäuse 114 weisen dementsprechend einen Einlauf 124 zum Aufgeben der Transportkörbe 122 und/oder des Reinigungsguts 120 auf die Transportvorrichtung 118 auf. Anschließend läuft das Reinigungsgut 120 durch eine Einlauföffnung 123 in den Reinigungstunnel 116 ein und durchläuft in der Transportrichtung 130 in dem dargestellten Ausführungsbeispiel optional mehrere Reinigungszonen 126, bis das Reinigungsgut 120 schließlich an einem Auslauf 127 das Gehäuse 114 verlässt und aus der Reinigungsvorrichtung 110 entnommen werden kann.The cleaning device further has in the illustrated embodiment, a
Die Reinigungszonen 126 im Inneren der Reinigungsvorrichtung 110, welche in der Transportrichtung 130 nacheinander von dem Reinigungsgut 120 durchlaufen werden, können beispielsweise voneinander durch Trennvorhänge 128 getrennt sein. Die Reinigungszonen 126 umfassen in dem dargestellten Ausführungsbeispiel zunächst zwei Spülzonen 131, in welchen eine Beaufschlagung des Reinigungsguts 120 mit einem Reinigungsfluid zum Zweck einer Befreiung des Reinigungsguts 120 von anhaftenden Schmutzresten erfolgt. Diese Spülzonen 131 sind wiederum unterteilt in eine Vorabräumzone 132, in welcher eine Abspülung grober Speisereste oder ähnlicher grober Verunreinigungen erfolgt, und eine sich an diese Vorabräumzone 132 anschließende Hauptspülzone 142. An die Spülzone 131 schließt sich in Transportrichtung 130 wiederum direkt oder indirekt beispielsweise eine Klarspülzone 149 an, welche wiederum unterteilt ist in eine Pumpenklarspülzone 150 und eine dieser nachgelagerte Frischwasserklarspülzone 160.The cleaning
Jede dieser Reinigungszonen 126 weist vorzugsweise mindestens ein Reinigungssystem 134 auf, welches beispielsweise eine oder mehrere Düsensysteme umfassen kann. So umfasst die Vorabräumzone 132 beispielsweise eine oder mehrere Vorabräumzonen-Sprühdüsensysteme 136, welche aus einem Vorabräumzonen-Tank 138 über eine Vorabräumzonen-Pumpe 140 im Umwälzbetrieb mit Reinigungsfluid gespeist werden können. Die Hauptspülzone 142 umfasst ihrerseits eine oder mehrere Hauptspülzonen-Sprühdüsensysteme 144, welche aus einem Hauptspülzonen-Tank 146 im Umwälzbetrieb über eine Hauptspülzonen-Pumpe 148 mit Reinigungsfluid gespeist werden können.Each of these cleaning
Die Klarspülzone 149 stellt eine Abweichung von diesem Aufbau dar. Dieser umfasst die Pumpenklarspülzone 150 mit einem Pumpenklarspülzonen-Tank 152, aus welchem ein Pumpenklarspülzonen-Sprühdüsensystem 156 über eine Pumpenklarspülzonen-Pumpe 158 mit einem Klarspülfluid gespeist werden kann. Weiterhin umfasst die Klarspülzone 159, der Pumpenklarspülzone 150 nachgeschaltet, noch eine Frischwasserklarspülzone 160. Diese umfasst ein Frischwasserklarspülzonen-Sprühdüsensystem 162, welches über einen Frischwasserzulauf 164 mit Frischwasser gespeist werden kann. Dieses Frischwasser fließt nach Beaufschlagung des Reinigungsguts 120 ebenfalls in den Pumpenklarspülzonen-Tank 152 ab, so dass dieses in der Pumpenklarspülzone 150 als Klarspülfluid verwendet werden kann. Tatsächlich werden in der Klarspülzone 149 also zwei Arten von Klarspülfluid verwendet. Das Frischwasser, welches über den Frischwasserzulauf 164 bereitgestellt wird, stellt ein erstes Klarspülfluid dar. Das bereits einmal in der Frischwasserklarspülzone 160 verwendete Frischwasser hingegen, welches in der Regel leicht kontaminiert ist, beispielsweise mit Reinigerresten, wird als zweites Klarspülfluid in der Pumpenklarspülzone 150 verwendet.The rinse
Weiterhin kann die Reinigungsvorrichtung 110, wie in
Weiterhin weist die Reinigungsvorrichtung 110 in dem dargestellten Ausführungsbeispiel eine Trocknungszone 168 auf, welche sich an die Reinigungszonen 126 in Transportrichtung 130 anschließt. Diese Trocknungszone 168 umfasst optional ein Gebläse 170. Weiterhin umfasst die Reinigungsvorrichtung 110 in dem dargestellten Ausführungsbeispiel eine Steuerung 178, beispielsweise eine zentrale Maschinensteuerung. Auch eine dezentrale Ausgestaltung der Steuerung ist jedoch grundsätzlich möglich. Über die Steuerung 178 können beispielsweise Programmabläufe der Reinigungsvorrichtung 110 gesteuert werden und/oder es können einzelne Elemente der Reinigungsvorrichtung 110 angesteuert werden.Furthermore, in the exemplary embodiment illustrated, the cleaning device 110 has a drying
Es sei darauf hingewiesen, dass die Reinigungsvorrichtung 110, wie sie in
Weiterhin umfasst die Reinigungsvorrichtung 110 in dem dargestellten Ausführungsbeispiel oberhalb der Einlauföffnung 123 mindestens einen Sensor 182, welcher in diesem Fall als Höhenbegrenzungs-Sensor oder Höhenbegrenzungs-Schalter 180 ausgestaltet sein kann.Furthermore, in the exemplary embodiment illustrated, the cleaning device 110 above the
Der Höhenbegrenzungs-Schalter 180 ist in dem dargestellten Ausführungsbeispiel beispielsweise als Verkleidungsteil des Reinigungstunnels 116 ausgestaltet. Beispielsweise kann dieser, wie oben beschrieben, eine sich über die gesamte lichte Breite des Reinigungstunnels 116 erstreckende klappbare Leiste oder Platte umfassen. Ist Reinigungsgut 120 vorhanden, welches über die untere Kante dieser Leiste nach oben hinausragt, so wird der Höhenbegrenzungs-Schalter 180 eingedrückt, was beispielsweise zu einem Stoppen der Transportvorrichtung 130 führen kann. Dementsprechend kann der Sensor 182 in einer ersten Funktion beispielsweise als Sicherungseinrichtung dienen, um eine fehlerhafte Beschickung und/oder eine andere Art von Fehlbedienung der Reinigungsvorrichtung 110 zu vermeiden. Dementsprechend kann der Sensor 182 beispielsweise über eine in
In einer zweiten Funktion kann der Sensor 182 jedoch auch von einem Bediener der Reinigungsvorrichtung 110 eingesetzt werden, um Steuerbefehle an die Steuerung 178 zu übermitteln. Wie oben ausgeführt, können die Steuerung 178 und/oder dezentral angeordnete Steuerteile beispielsweise eingerichtet sein, um eine Mehrfachbetätigung oder eine andere Betätigungsart, welche von einer Betätigung des Sensors 182 im Normalbetrieb der Reinigungsvorrichtung 110 durch das Reinigungsgut 120 abweicht, als Steuerbefehle interpretiert werden. Beispielsweise können Mehrfach-Betätigungen des Sensors 182, beispielsweise mit einer vorgegebenen Frequenz, beispielsweise einer Mindestfrequenz oder oberhalb einer Mindestfrequenz, als bestimmte Steuerbefehle interpretiert werden. So kann beispielsweise die Steuerung 178 außer einem einfachen Schaltimpuls wie beispielsweise einer abfallenden Flanke eines Spannungssignals, welche beispielsweise bei einer Betätigung durch das Reinigungsgut 120 auftreten kann, auch eine Folge von Schaltsignalen erkennen, welche beispielsweise dadurch entsteht, dass ein Benutzer die klappbare Leiste oberhalb der Einlauföffnung 124 mehrfach mit hoher Frequenz eindrückt. Beispielsweise kann eine Folge von Schaltsignalen erkannt werden und/oder eine abfallende und ansteigende Spannungsflanke erkannt und/oder unterschieden werden. Verschiedene Beispiele sind oben ausgeführt. Mittels der Erkennung solcher Schaltmuster können allgemein Reaktionen der Steuerung 178 und/oder der gesamten Reinigungsvorrichtung 110 erzeugt werden, beispielsweise das Einschalten zusätzlicher Pumpen 140, 148, 158 und/oder das Einschalten eines Gebläses 174, 170. Verschiedene Ausgestaltungen sind möglich.However, in a second function, the sensor 182 may also be used by an operator of the cleaning device 110 to communicate control commands to the controller 178. For example, as discussed above, the controller 178 and / or remotely located control portions may be configured to be multi-actuated or another type of actuation, which differs from an actuation of the sensor 182 during normal operation of the cleaning device 110 by the items to be cleaned 120, are interpreted as control commands. For example, multiple actuations of the sensor 182, for example with a predetermined frequency, for example a minimum frequency or above a minimum frequency, can be interpreted as specific control commands. Thus, for example, the controller 178 can detect, in addition to a simple switching pulse, such as a falling edge of a voltage signal, which can occur, for example, when actuated by the items to be cleaned 120, a sequence of switching signals, which arises, for example, when a user moves the foldable bar above the Inlet opening 124 repeatedly pressed at a high frequency. For example, a sequence of switching signals can be detected and / or a falling and rising voltage edge can be detected and / or distinguished. Various examples are given above. By means of the detection of such switching patterns, reactions of the controller 178 and / or of the entire cleaning device 110 can generally be generated, for example the switching on of
In den
Claims (10)
- Cleaning apparatus (110) for cleaning washware (120), comprising at least one cleaning zone (126) for applying cleaning fluid to washware (120), further comprising at least one transportation apparatus (118) for transporting the washware (120) through the cleaning zone (126), wherein the cleaning apparatus (110) further has at least one sensor (182) for identifying the washware (120), wherein the sensor (182) is accessible to a user of the cleaning apparatus (110) from the outside, and wherein the cleaning apparatus (110) is designed in order to enable a user to transmit control instructions to a control system (178) of the cleaning apparatus (110) by operating the sensor (182), characterized in that the sensor (182) can be operated by the user in at least one type of operation which differs from an operation of the sensor (182) by the washware (120), and wherein the control system (178) is designed to interpret this operation as a control instruction, and wherein at least two types of operation which differ from an operation of the sensor by the washware are provided, the said types of operation differing in respect of a number of operations of the sensor (182), wherein the control system (178) is designed in order to interpret the at least two types of operation as different control instructions.
- Cleaning apparatus (110) according to the preceding claim, wherein the type of operation comprises repeated operation of the sensor (182), in particular repeated operation with a minimum frequency.
- Cleaning apparatus (110) according to one of the preceding claims, wherein the control instruction comprises one or more of the following control instructions: switching off the transportation apparatus (118); starting the transportation apparatus (118); changing a transportation speed of the transportation apparatus (118); actuating a pump (140, 148, 158) for conveying the at least one cleaning fluid, in particular switching on or switching off the pump (140, 148, 158); actuating at least one fan (170, 174), in particular switching on or switching off the fan (170, 174); reversing a transportation direction (130).
- Cleaning apparatus (110) according to one of the preceding claims, wherein the cleaning apparatus (110) has at least one cleaning tunnel (116) and at least one inlet (124), wherein the at least one cleaning zone (126) is accommodated in the cleaning tunnel (116), wherein the washware (120) enters the cleaning tunnel (116) at the inlet (124), wherein the at least one sensor (182) is arranged at the inlet (124).
- Cleaning apparatus (110) according to the preceding claim, wherein the sensor (182) at the inlet (124) can be operated by a user from both sides of the transportation apparatus (118).
- Cleaning apparatus (110) according to one of the two preceding claims, wherein the sensor (182) at least partially spans at least an inlet opening (123) of the inlet (124).
- Cleaning apparatus (110) according to one of the preceding claims, wherein the sensor (182) comprises a movable trim part of the cleaning apparatus (110), in particular a trim part above an inlet opening (123) of the cleaning apparatus (110), in particular a foldable strip, a foldable plate or a foldable clip.
- Cleaning apparatus (110) according to one of the preceding claims, wherein the sensor (182) comprises at least one height sensor (180) for detecting an excess height of the washware (120) and/or at least one width sensor for detecting an excess width of the washware (120).
- Cleaning apparatus (110) according to one of the preceding claims, wherein the sensor (182) comprises at least one of the following sensors (182) : an optical sensor, in particular a light barrier; a mechanical sensor (182), in particular a cable sensor, a switch, in particular a pressure switch and/or a rocker switch, a pivotable clip, a foldable switching strip.
- Method for controlling a cleaning apparatus (110) according to one of the preceding claims, wherein at least one sensor (182) is used for identifying the washware (120), wherein the sensor (182) is accessible to a user of the cleaning apparatus (110) from the outside, and wherein the sensor (182) is additionally used to transmit control instructions from a user to a control system (178) of the cleaning apparatus (110), characterized in that the sensor (182) is operated by the user in at least one type of operation which differs from an operation of the sensor (182) by the washware (120), and wherein the control system (178) is designed to interpret this operation as a control instruction.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009059784.0A DE102009059784B4 (en) | 2009-12-18 | 2009-12-18 | Cleaning device with actuator |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP2335546A2 EP2335546A2 (en) | 2011-06-22 |
| EP2335546A3 EP2335546A3 (en) | 2014-12-31 |
| EP2335546B1 EP2335546B1 (en) | 2016-03-02 |
| EP2335546B2 true EP2335546B2 (en) | 2019-03-20 |
Family
ID=43881170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10014760.2A Not-in-force EP2335546B2 (en) | 2009-12-18 | 2010-11-18 | Cleaning device with actuating component |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2335546B2 (en) |
| DE (1) | DE102009059784B4 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015214300B4 (en) | 2015-07-28 | 2026-02-05 | Illinois Tool Works Inc. | Conveyor dishwasher and method for operating a conveyor dishwasher |
| CN115463848B (en) * | 2022-09-05 | 2024-07-30 | 东莞市华美食品有限公司 | Food residue purging control method and equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19608034C1 (en) † | 1996-03-02 | 1997-07-10 | Stierlen Maquet Ag | Industrial dishwashing machine |
| DE19829650A1 (en) † | 1998-07-02 | 2000-01-05 | Premark Feg Llc | Continuous dishwashing machine with cleansing, rinsing and drying sections through which dish baskets are conveyed |
| WO2000053076A1 (en) † | 1999-03-05 | 2000-09-14 | Hackman Metos Oy | Automatic washing of units |
| DE10058410A1 (en) † | 2000-11-24 | 2002-09-19 | Bsh Bosch Siemens Hausgeraete | display device |
| DE69525337T2 (en) † | 1994-05-02 | 2003-03-13 | Fuuga-Controls Oy, Tampere | METHOD FOR WASHING OBJECTS IN A WASHING ROAD AND WASHER |
| DE102005014353A1 (en) † | 2005-03-24 | 2006-09-28 | Premark Feg L.L.C., Wilmington | Transport dishwasher and method therefor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1846083A (en) * | 1931-01-29 | 1932-02-23 | Eugene W Bowker | Automatic conveyer control |
| US4561904A (en) * | 1984-09-21 | 1985-12-31 | Hobart Corporation | Control system and method of controlling a dishwashing machine |
| DE10053030B4 (en) * | 2000-10-26 | 2006-03-16 | Miele & Cie. Kg | Method for detecting the loading of a program-controlled dishwasher and dishwashing machine for carrying out the method |
| DE102008014318B4 (en) * | 2008-03-14 | 2021-02-04 | Premark Feg L.L.C. | Conveyor dishwasher and method for operating a conveyor dishwasher |
-
2009
- 2009-12-18 DE DE102009059784.0A patent/DE102009059784B4/en not_active Revoked
-
2010
- 2010-11-18 EP EP10014760.2A patent/EP2335546B2/en not_active Not-in-force
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69525337T2 (en) † | 1994-05-02 | 2003-03-13 | Fuuga-Controls Oy, Tampere | METHOD FOR WASHING OBJECTS IN A WASHING ROAD AND WASHER |
| DE19608034C1 (en) † | 1996-03-02 | 1997-07-10 | Stierlen Maquet Ag | Industrial dishwashing machine |
| DE19829650A1 (en) † | 1998-07-02 | 2000-01-05 | Premark Feg Llc | Continuous dishwashing machine with cleansing, rinsing and drying sections through which dish baskets are conveyed |
| WO2000053076A1 (en) † | 1999-03-05 | 2000-09-14 | Hackman Metos Oy | Automatic washing of units |
| DE10058410A1 (en) † | 2000-11-24 | 2002-09-19 | Bsh Bosch Siemens Hausgeraete | display device |
| DE102005014353A1 (en) † | 2005-03-24 | 2006-09-28 | Premark Feg L.L.C., Wilmington | Transport dishwasher and method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2335546A3 (en) | 2014-12-31 |
| EP2335546A2 (en) | 2011-06-22 |
| DE102009059784A1 (en) | 2011-06-22 |
| EP2335546B1 (en) | 2016-03-02 |
| DE102009059784B4 (en) | 2016-05-12 |
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