EP3313248B1 - Dispenser with fluid-side module and a dry module - Google Patents
Dispenser with fluid-side module and a dry module Download PDFInfo
- Publication number
- EP3313248B1 EP3313248B1 EP16731865.8A EP16731865A EP3313248B1 EP 3313248 B1 EP3313248 B1 EP 3313248B1 EP 16731865 A EP16731865 A EP 16731865A EP 3313248 B1 EP3313248 B1 EP 3313248B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- piston
- dispenser
- module
- seal
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims description 78
- 230000005291 magnetic effect Effects 0.000 claims description 30
- 239000000645 desinfectant Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 25
- 238000004659 sterilization and disinfection Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 8
- 230000001476 alcoholic effect Effects 0.000 description 6
- 239000003302 ferromagnetic material Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000002386 air freshener Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K5/00—Holders or dispensers for soap, toothpaste, or the like
- A47K5/06—Dispensers for soap
- A47K5/12—Dispensers for soap for liquid or pasty soap
- A47K5/1202—Dispensers for soap for liquid or pasty soap dispensing dosed volume
- A47K5/1204—Dispensers for soap for liquid or pasty soap dispensing dosed volume by means of a rigid dispensing chamber and pistons
- A47K5/1207—Dispensing from the bottom of the dispenser with a vertical piston
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K5/00—Holders or dispensers for soap, toothpaste, or the like
- A47K5/06—Dispensers for soap
- A47K5/12—Dispensers for soap for liquid or pasty soap
- A47K5/1202—Dispensers for soap for liquid or pasty soap dispensing dosed volume
- A47K5/1204—Dispensers for soap for liquid or pasty soap dispensing dosed volume by means of a rigid dispensing chamber and pistons
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K5/00—Holders or dispensers for soap, toothpaste, or the like
- A47K5/06—Dispensers for soap
- A47K5/12—Dispensers for soap for liquid or pasty soap
- A47K5/1217—Electrical control means for the dispensing mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1004—Piston pumps comprising a movable cylinder and a stationary piston
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1052—Actuation means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
- F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
- F04B17/042—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the solenoid motor being separated from the fluid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
- F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
- F04B17/046—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the fluid flowing through the moving part of the motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/02—Pumping installations or systems having reservoirs
- F04B23/025—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir
- F04B23/028—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir the pump being mounted on top of the reservoir
Definitions
- the invention relates to a dispenser (pump) for dispensing body care products, hygiene products or disinfectants, having a fluid-side module and a dry module separate therefrom, the fluid-side module comprising a chamber and a magnetic piston guided in the chamber and movable by a magnetic drive, which penetrated by a channel provided with a seal.
- Metering devices are widely known in the prior art. For example, they will B. in dispenser systems for liquids, z. B. of alcoholic liquids to be released in a predetermined amount on request, z. B. for Hand sanitizer used. In these cases one speaks of "volume on demand".
- dispenser systems for hand disinfection usually have a z. B. wall-mounted, stationary holder, which has a drive, and the holder can be provided with interchangeable disinfectant bottles and which can be completed with a reprocessable or a disposable pump. It is often the case with conventional dispenser systems for hand disinfectants that they are susceptible to defects caused by contact with the alcoholic products (fluids). In particular, pump diaphragms and seals can swell or release plasticizers, causing leaks or fluctuations in the volume delivered. Furthermore, the mechanical components provided are susceptible to wear.
- dispenser and “dispenser system” are used synonymously, whereby dispenser systems can either be mounted on the wall or fixed to other surfaces or can be set up freely as standing bottles.
- the term "dosing device” is to be understood as meaning a device that makes it possible to provide a substantially reproducible amount of a fluid that can be dispensed on demand, the dosing device having a dosing module, here the dry module comprising a drive, and a fluid-side or pump module.
- the dosing device can be part of a dispenser or dispenser system and can be integrated into it. Depending on the design of the dispenser system, the dosing device can already represent a complete dispenser system, provided that no further components such as holders or the like are added.
- an air freshener dispenser having a material container and a dispenser including an electromagnetic locking mechanism having a first part attached to the container and a second part attached to the dispenser.
- Generic dosing devices are for example from US 6,209,751 B1 as well as the U.S. 2009/0266849 A1 known in which the pump can be actuated by a magnetic drive and is biased by a spring in the closed position.
- a further task is, if alcoholic liquids, such as are usually used in hand disinfection, are to be made available with the dosing device, that the dosing device also meets the requirements with regard to the delivery of alcoholic liquids.
- the invention solves this problem by providing a dispenser with the features of claim 1, in which the magnetic drive for the magnetic piston is arranged in the dry module.
- the magnetic drive for the magnetic piston is arranged in the dry module.
- the chamber has an inlet on one side in the direction of movement of the piston and an outlet on an opposite side, and the inlet can be connected to a fluid reservoir and the outlet can be connected to an output device.
- the chamber is a cylindrical chamber, with other cross sections are also conceivable. Inlets and outlets can then be provided on the two end faces, with the inlet and outlet preferably being arranged centrally on the respective end faces.
- the chamber is designed as a riser, i. H. that a promotion of the fluid takes place in the installed state from bottom to top.
- the piston moves between the inlet and outlet in the axial direction of the preferably cylindrical chamber.
- arrangements in the so-called overhead system can also be provided, with the outlet being arranged at the bottom when in use and the fluid flow taking place from top to bottom.
- a tilted design up to and including a horizontal arrangement of the cylinder when installed, is also conceivable. It can be particularly advantageous, for. B. the container in which the fluid-side module is installed, together with the fluid-side module, to be arranged in such a way that all liquid can be removed from the fluid reservoir and so complete emptying is possible.
- An inclined or tilted arrangement can be useful for this purpose. If it is important that the fluid reservoir can be completely emptied, it can also be provided that the inlet of the chamber is connected to a supply line which is arranged and in particular can also have such a curvature that it ensures or is able to improve complete emptiability .
- the fluid reservoir can be a commercially available fluid reservoir, such as can be used, for example, as disinfectant bottles for commercially available hand disinfection devices.
- dosing devices according to the invention can be used or retrofitted in dispenser systems for hand disinfection that are otherwise commercially available in terms of design.
- the fluid reservoirs and/or the fluid-side modules can be disposable and, in particular, exchangeable. Alternatively, they can be reprocessable and thus reusable.
- Body care products, hygiene products or disinfectants are used as fluids to be conveyed.
- fluids are generally to be understood as meaning liquids of different viscosities, in particular also aqueous liquids, gels and pasty masses.
- gases are not to be subsumed under the term “fluid” within the meaning of the invention.
- the dosing device can also be used to convey substances that are then diluted by other fluids and then made available together with these fluids as a ready-to-use solution via another system.
- the dry module can be reused and connected to a stationary holder and/or fluid reservoir.
- the dry module can be used according to the standards for hand disinfection, provided that it is used there with exchangeable fluid reservoirs, since there is no fluid contact with the dry module.
- Reusable is to be understood here as meaning that the dry or also the fluid-side module or the fluid reservoir can be used with a plurality of fluid fillings of the fluid reservoir in chronological succession.
- the dry module can also be connected to a stationary holder or the fluid reservoir (liquid reservoir) and thrown away together with the fluid reservoir or, for example, when changing a fluid reservoir or at another (particularly predetermined) point in time.
- a seal is provided in the channel of the piston in order to enable liquids to be ejected in a defined quantity, the seal being closed during the ejection process of fluids and then being opened when the piston is returned to the starting position in order to allow fluids to flow to allow.
- the inlet opening can be closed by means of a seal, in particular a valve seal, to prevent fluids from flowing back. This is particularly useful for a conveying direction from bottom to top.
- a seal in particular a valve seal
- the seal in the channel of the piston can also be designed as a valve seal.
- valves are made of inert materials such as glass, polyethylene or stainless steel, alternatively a seal made of a plastic material (elastomer/silicone) can be provided.
- a ball valve can be provided as a seal, with the ball being made of glass, ceramic or metal, for example, and the ball stop being made of a material that is inert to solvents, for example a polymer.
- a sphere another geometric shape with a preferably round cross section (transverse to the direction of movement of the piston), such as a cone, can also be used.
- the seal can also be a membrane and consist of a flexible inert material, for example silicone, with the membrane being movable between a flat and a folded shape (umbrella principle) depending on whether the valve is open or closed.
- a flexible inert material for example silicone
- the membrane being movable between a flat and a folded shape (umbrella principle) depending on whether the valve is open or closed. The valves open and close automatically when the conditions in the chamber are appropriate.
- a seal may be provided at the outlet port instead of or in addition to a seal or valve at the inlet so as to provide a seal against leakage.
- the magnetic drive can be designed differently depending on the application. It cannot be provided according to the invention that one or more electromagnets are provided, whereby ring magnets and horseshoe magnets but also individual magnets can be provided which trigger a movement of the piston in the desired direction when actuated.
- a piston stroke that differs from one another can be achieved depending on the actuation.
- electromagnets are arranged one above the other in the direction of movement of the piston, it can be provided that the magnets are activated from bottom to top when the piston moves vertically upwards from a starting position (bottom) to a position for liquid ejection (top) and then either be turned off so that gravity causes the plunger to descend, or the plunger is returned to the starting position from top to bottom by activating the magnets.
- This can be advantageous in particular in the case of higher-viscosity liquids, so that an energy store in the form of a spring can be dispensed with.
- the ejected volume can be dosed.
- the difference can be 0.5 ml of output quantity, ie this quantity is output for each row of magnets that is actuated.
- the applied volumes can be changed step by step and controlled in a predefined way.
- the application then takes place in a single ejection of liquid. If liquid is dispensed from top to bottom, the control is analogous.
- the dosing device is particularly suitable for the exact dosing of 1.5 ml or 3.0 ml of an alcohol-based hand disinfectant on request, as prescribed for hygienic or surgical hand disinfection (hygienic hand disinfection: EN 1500, surgical hand disinfection: EN 12791 ) .
- the dosing device is used to pump hand disinfectants and other fluids from the field of body care, body hygiene and body disinfection and is used here.
- the dosing device is particularly suitable for dispensing liquids that are used on the skin.
- Corresponding liquids are mentioned above.
- these are skin or hand disinfectant liquids.
- the application takes place in such a way that the liquid is released from the closed dosing device or dispenser system, for example into the hand of a user, e.g. B. a medical professionals or the like. From this user then the liquid z. B. distributed on the hand.
- a predefined amount to be dispensed via the dosing device into a further system, which can be open or closed, in order then to mix two liquids in this further system to produce dilutions.
- the control can also be carried out in such a way that several applications are carried out in direct succession in order to achieve a pulsed delivery.
- the triggering on which the magnets are activated can be contactless, e.g. B. by means of a photocell, a light barrier or other z. B. capacitive systems.
- contact-induced triggering via touch in a known manner via a switch, a lever or the like is also conceivable.
- the magnetic drive which is provided in the dry module, comprises permanent magnets, which are linearly displaceable in the direction of movement of the piston.
- the magnetic field then takes the ferromagnetic piston along in the linear displacement in both directions.
- the external magnetic drive can also be fixed and the chamber or the entire fluid-side module can be moved. For example, it is conceivable that the fluid-side module is moved together with the fluid reservoir. For example, it is conceivable that the fluid-side module together with the Fluid reservoir is moved.
- a mechanical drive can also be provided for the outer magnet, in which it is moved up and down via a lever mechanism and reset, if necessary, with a spring.
- the mechanical drive can also be supplemented with an electric or electromechanical one.
- the spring has no contact with the fluid.
- a seal 32 is provided at the inlet 24 which also has a ball valve 34 .
- glass or ceramic or a metal can be used as the ball material, with the ball material having to be resistant to the fluid used, in particular alcoholic fluid, such as is used for hand disinfection.
- the bullet trap also consists of a material that is inert to solvents or the fluid used and is preferably made of a polymer.
- the dispenser has a dry module 13 which has no contact whatsoever with the fluid and has a plurality of electromagnets 36 arranged one above the other in the direction of movement of the piston 16 .
- These can be designed as individual magnets, but also as ring magnets or horseshoe magnets.
- the membranes 56 assume exactly the opposite positions and thus seal the inlet and at the same time convey fluid into the area below the piston 16, i.e. into the area of the Chamber 14 facing the output end of the piston 16.
- FIG 4 now shows the associated non-inventive arrangement of the dry module 13, according to the arrangement figure 2 corresponds, the magnets 36 being controlled in such a way that conveyance takes place from top to bottom.
- FIG figures 7 and 8th show a further embodiment not according to the invention, the fluid-side module 12 according to FIG figure 7 to figure 1 corresponds to that described and the fluid-side module 12 'to figure 3 described, so that each of these will not be discussed in detail.
- a power source 38 which is connected to a switch or sensor 42 which can be actuated by touch or without contact, which in turn interacts with a controller 46 which here controls an electromechanical drive for the fluid-side module 12 or 12'.
- the electromechanical drive for the fluid-side module is provided with the reference number 70 .
- the fluid-side module 12, 12' is then moved in the direction of the double-headed arrows 72, with the permanent magnets 74 being held stationary and thereby also holding the piston 16 while the chamber 14 moves.
- a mechanical drive 80 can also be used, which is controlled via a lever 82, which interacts with the switch or sensor 42 and thus implements a movement of the permanent magnets, with the lever 82 at the same time a spring 84 is tensioned, cf. Figures 9a and 9b , so that a restoring force is then provided via the spring 84, which returns the permanent magnet 60 and here also the piston 16 to the initial position after the conveying process.
- the springs 84 can be fixed to a holder housing (holder), ie stationary.
- an electromechanical drive for the fluid-side module 12 or 12' (cf. figures 7 and 8th ) also provide a mechanical drive here, which in the figure 10 (not according to the invention) for a fluid side module 12 according to FIG figure 1 and in figure 11 (not according to the invention) for a fluid side module 12' according to FIG figure 3 is shown.
- a lever 82 is also provided, which, however, does not move the permanent magnets of the dry module, but rather the fluid-side module 12 or 12', which is fixed to a holder via a spring 90, the springs being tensioned by the lever movement and then allow the fluid side module 12 and 12' to be reset while the permanent magnets 74 are stationary on the dispenser housing.
- a dispenser can be provided in a particularly simple manner that is only subject to a small amount of wear and tear, with the susceptibility to defects, which can be reduced in particular when there is contact with alcoholic products such as those used for hand disinfection.
- the prerequisites for safely conveying a specified volume over the entire period of use are hereby achieved.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Description
Die Erfindung betrifft einen Spender (Pumpe) für die Abgabe von Körperpflegeprodukten, Hygieneprodukten oder Desinfektionsmitteln mit einem fluidseitigen Modul und einem hiervon separaten trockenen Modul, wobei das fluidseitige Modul eine Kammer und einen in der Kammer geführten über einen magnetischen Antrieb bewegbaren magnetischen Kolben umfasst, der von einem mit einer Dichtung versehenen Kanal durchdrungen ist.The invention relates to a dispenser (pump) for dispensing body care products, hygiene products or disinfectants, having a fluid-side module and a dry module separate therefrom, the fluid-side module comprising a chamber and a magnetic piston guided in the chamber and movable by a magnetic drive, which penetrated by a channel provided with a seal.
Dosiergeräte sind im Stand der Technik vielfach bekannt. So werden sie z. B. in Spendersystemen für Flüssigkeiten, z. B. von alkoholischen Flüssigkeiten, die in vorgegebener Menge auf Anforderung freigesetzt werden sollen, z. B. für Handdesinfektionsmittel, eingesetzt. In diesen Fällen spricht man von "volume on demand". So weisen derartige Spendersysteme für die Handdesinfektion zumeist einen z. B. wandseitig montierten, stationären Halter auf, der einen Antrieb aufweist, und wobei der Halter mit auswechselbaren Desinfektionsmittelflaschen versehen werden kann und die mit einer wiederaufbereitbaren oder einer wegwerfbaren Pumpe komplettierbar sind. Dabei ist es bei üblichen Spendersystemen für Handdesinfektionsmittel häufig der Fall, dass diese anfällig für Defekte sind, die durch den Kontakt zu den alkoholischen Produkten (Fluiden) entstehen. Insbesondere Pumpenmembranen und Dichtungen können quellen oder Weichmacher abgeben, wodurch es zu Undichtigkeiten oder Schwankungen beim abgegebenen Volumen kommt. Weiterhin sind die vorgesehenen mechanischen Bauteile anfällig für Verschleiß.Metering devices are widely known in the prior art. For example, they will B. in dispenser systems for liquids, z. B. of alcoholic liquids to be released in a predetermined amount on request, z. B. for Hand sanitizer used. In these cases one speaks of "volume on demand". Such dispenser systems for hand disinfection usually have a z. B. wall-mounted, stationary holder, which has a drive, and the holder can be provided with interchangeable disinfectant bottles and which can be completed with a reprocessable or a disposable pump. It is often the case with conventional dispenser systems for hand disinfectants that they are susceptible to defects caused by contact with the alcoholic products (fluids). In particular, pump diaphragms and seals can swell or release plasticizers, causing leaks or fluctuations in the volume delivered. Furthermore, the mechanical components provided are susceptible to wear.
Im Folgenden werden die Begriffe "Spender" und "Spendersystem" synonym verwendet, wobei Spendersysteme entweder wandseitig montierbar sind oder auch an anderen Flächen fixiert werden können oder frei als Standflaschen aufstellbar sind. Unter dem Begriff "Dosiergerät" soll eine Einrichtung verstanden werden, die es ermöglicht, eine im Wesentlichen reproduzierbar abgebbare Menge eines Fluides auf Anforderung bereitzustellen, wobei das Dosiergerät ein Dosiermodul, hier das trockene Modul umfassend einen Antrieb, aufweist sowie ein fluidseitiges oder Pumpenmodul. Das Dosiergerät kann dabei Teil eines Spenders oder Spendersystems sein und in dieses integriert sein. Je nach Ausgestaltung des Spendersystems kann auch das Dosiergerät bereits ein vollständiges Spendersystem darstellen, sofern keine weiteren Bauteile, wie Halter oder ähnliches hinzukommen.In the following, the terms “dispenser” and “dispenser system” are used synonymously, whereby dispenser systems can either be mounted on the wall or fixed to other surfaces or can be set up freely as standing bottles. The term "dosing device" is to be understood as meaning a device that makes it possible to provide a substantially reproducible amount of a fluid that can be dispensed on demand, the dosing device having a dosing module, here the dry module comprising a drive, and a fluid-side or pump module. The dosing device can be part of a dispenser or dispenser system and can be integrated into it. Depending on the design of the dispenser system, the dosing device can already represent a complete dispenser system, provided that no further components such as holders or the like are added.
Darüber hinaus ist aus der
Des Weiteren ist beispielsweise aus der
Schließlich ist aus der
Gattungsgemäße Dosiereinrichtungen sind z.B. aus der
Ausgehend vom bekannten Stand der Technik soll es nun Aufgabe der Erfindung sein, einen Spender bereitzustellen mit einem fluidseitigen und einem trockenen Modul, das möglichst wenig anfällig für mechanischen Verschleiß ist.Based on the known prior art, it should now be the object of the invention to provide a dispenser with a on the fluid side and a dry module that is as little susceptible to mechanical wear as possible.
Eine weitere Aufgabe ist, sofern mit dem Dosiergerät alkoholische Flüssigkeiten, wie in der Händedesinfektion üblicherweise verwendet, bereitgestellt werden sollen, dass das Dosiergerät den Anforderungen auch im Hinblick auf die Förderung von alkoholischen Flüssigkeiten gewachsen ist.A further task is, if alcoholic liquids, such as are usually used in hand disinfection, are to be made available with the dosing device, that the dosing device also meets the requirements with regard to the delivery of alcoholic liquids.
Die Erfindung löst diese Aufgabe durch die Bereitstellung eines Spenders mit den Merkmalen des Anspruchs 1, bei dem der magnetische Antrieb für den magnetischen Kolben im trockenen Modul angeordnet ist. Auf diese Weise kann erreicht werden, dass möglichst wenig Teile des Dosiergeräts mit den Fluiden in Kontakt kommen und somit entsprechend gegen Korrosion und Verschleiß ausgestattet werden müssen. Darüber hinaus kann durch die Verwendung eines magnetischen Antriebs der mechanische Verschleiß gesenkt werden. Zwischen den beiden Teilen, nämlich dem magnetischen Kolben im fluidseitigen Modul (produktberührende Teile) und dem magnetischen Antrieb im trockenen Modul besteht keine kraftschlüssige Verbindung.The invention solves this problem by providing a dispenser with the features of claim 1, in which the magnetic drive for the magnetic piston is arranged in the dry module. In this way it can be achieved that as few parts of the dosing device come into contact with the fluids and therefore have to be equipped accordingly against corrosion and wear. In addition, mechanical wear can be reduced by using a magnetic drive. There is no non-positive connection between the two parts, namely the magnetic piston in the fluid-side module (parts in contact with the product) and the magnetic drive in the dry module.
Dabei erfolgt eine Verschiebung eines magnetischen Feldes mittels Elektromagneten oder Permanentmagneten. Dadurch wird der Verschleiß des Antriebs stark reduziert. Vor allem besteht ein entsprechendes Dosiergerät aus einfachen Bauteilen.A magnetic field is shifted by means of electromagnets or permanent magnets. This greatly reduces drive wear. Above all, a corresponding dosing device consists of simple components.
Dabei kann vorgesehen sein, dass die Kammer auf einer in Bewegungsrichtung des Kolbens liegenden Seite einen Einlass und auf einer gegenüberliegenden Seite einen Auslass aufweist und wobei der Einlass mit einem Fluidreservoir und der Auslass mit einer Ausgabeeinrichtung verbindbar ist. Es kann insbesondere vorgesehen sein, dass die Kammer eine zylindrische Kammer ist, wobei auch andere Querschnitte denkbar sind. An den beiden Stirnflächen können dann Ein- bzw. Auslässe vorgesehen sein, wobei Ein- und Auslass vorzugsweise zentral an den jeweiligen Stirnflächen angeordnet sind.It can be provided that the chamber has an inlet on one side in the direction of movement of the piston and an outlet on an opposite side, and the inlet can be connected to a fluid reservoir and the outlet can be connected to an output device. It can be provided in particular that the chamber is a cylindrical chamber, with other cross sections are also conceivable. Inlets and outlets can then be provided on the two end faces, with the inlet and outlet preferably being arranged centrally on the respective end faces.
Gemäß der Erfindung ist die Kammer als Steigrohr ausgebildet , d. h. dass eine Förderung des Fluids im eingebauten Zustand von unten nach oben stattfindet. Der Kolben bewegt sich dabei zwischen Ein- und Auslass in axialer Richtung der vorzugsweise zylindrischen Kammer. Alternativ können jedoch auch Anordnungen im sogenannten Überkopfsystem vorgesehen sein, wobei der Auslass unten angeordnet ist im Gebrauchszustand und der Fluidstrom von oben nach unten erfolgt.According to the invention, the chamber is designed as a riser, i. H. that a promotion of the fluid takes place in the installed state from bottom to top. The piston moves between the inlet and outlet in the axial direction of the preferably cylindrical chamber. Alternatively, however, arrangements in the so-called overhead system can also be provided, with the outlet being arranged at the bottom when in use and the fluid flow taking place from top to bottom.
Darüber hinaus ist neben diesen zwei bevorzugten Varianten auch eine gekippte Bauart, bis hin zur waagrechten Anordnung des Zylinders im Einbauzustand denkbar. Dabei kann es insbesondere vorteilhaft sein, z. B. das Behältnis, in das das fluidseitige Modul eingebaut wird, samt dem fluidseitigen Modul so anzuordnen, dass sämtliche Flüssigkeit aus dem Fluidreservoir entfernt werden kann und so eine vollständige Entleerbarkeit gegeben ist. Hierzu kann eine geneigte oder gekippte Anordnung sinnvoll sein. Sofern eine vollständige Entleerbarkeit des Fluidreservoir wichtig ist, kann es auch vorgesehen sein, dass der Einlass der Kammer mit einer Zuleitung verbunden ist, die so angeordnet ist und insbesondere auch eine solche Krümmung aufweisen kann, dass sie eine vollständige Entleerbarkeit sicherstellt oder verbessert zu leisten vermag.In addition to these two preferred variants, a tilted design, up to and including a horizontal arrangement of the cylinder when installed, is also conceivable. It can be particularly advantageous, for. B. the container in which the fluid-side module is installed, together with the fluid-side module, to be arranged in such a way that all liquid can be removed from the fluid reservoir and so complete emptying is possible. An inclined or tilted arrangement can be useful for this purpose. If it is important that the fluid reservoir can be completely emptied, it can also be provided that the inlet of the chamber is connected to a supply line which is arranged and in particular can also have such a curvature that it ensures or is able to improve complete emptiability .
Bei dem Fluidreservoir kann es sich um handelsübliche Fluidreservoire, wie sie beispielsweise als Desinfektionsmittelflaschen für handelsübliche Handdesinfektionsgeräte einsetzbar sind, handeln. Insbesondere können erfindungsgemäße Dosiergeräte in ansonsten bezüglich des Designs handelsüblich vorgesehenen Spendersystemen für die Handdesinfektion Verwendung finden oder nachrüstbar sein.The fluid reservoir can be a commercially available fluid reservoir, such as can be used, for example, as disinfectant bottles for commercially available hand disinfection devices. In particular, dosing devices according to the invention can be used or retrofitted in dispenser systems for hand disinfection that are otherwise commercially available in terms of design.
Die Fluidreservoire und/oder die fluidseitigen Module können wegwerfbar und insbesondere austauschbar sein. Alternativ können sie aufbereitbar und damit wiederverwendbar sein.The fluid reservoirs and/or the fluid-side modules can be disposable and, in particular, exchangeable. Alternatively, they can be reprocessable and thus reusable.
Als zu fördernde Fluide werden Körperpflegeprodukte, Hygieneprodukte oder Desinfektionsmittel verwendet, insbesondere Handdesinfektionsmittel. So ist beispielsweise die Förderung von Duschgelen, Seifen, Cremes, aber auch Reinigungsflüssigkeiten denkbar. Unter Fluiden sollen hierbei allgemein Flüssigkeiten verschiedener Viskositäten verstanden werden, insbesondere auch wässrige Flüssigkeiten, Gele und pastöse Massen. Gase sind jedoch im Sinne der Erfindung nicht unter dem Begriff "Fluid" zu subsumieren.Body care products, hygiene products or disinfectants, in particular hand disinfectants, are used as fluids to be conveyed. For example, the conveying of shower gels, soaps, creams, but also cleaning liquids is conceivable. Fluids are generally to be understood as meaning liquids of different viscosities, in particular also aqueous liquids, gels and pasty masses. However, gases are not to be subsumed under the term “fluid” within the meaning of the invention.
Neben der direkten Abgabe der Fluide und der direkten Verwendung derselben ist es auch möglich, dass derartige Fluide zur Herstellung einer gebrauchsfertigen Mischung verwendet werden, wobei es sich bei den Fluiden um Konzentrate handelt, die dann beispielsweise mit einem weiteren Fluid eine gebrauchsfähige Lösung ergeben.In addition to the direct dispensing of the fluids and the direct use of the same, it is also possible for such fluids to be used to produce a ready-to-use mixture, the fluids being concentrates which then result in a ready-to-use solution with another fluid, for example.
D.h. das Dosiergerät kann auch eingesetzt werden, um Stoffe zu fördern, die dann durch andere Fluide verdünnt werden und dann mit diesen Fluiden zusammen als gebrauchsfähige Lösung über ein weiteres System bereitgestellt werden können.This means that the dosing device can also be used to convey substances that are then diluted by other fluids and then made available together with these fluids as a ready-to-use solution via another system.
Besonders bevorzugt kann vorgesehen sein, dass das trockene Modul wiederverwendbar und mit einem stationären Halter und/oder Fluidreservoir verbunden sein kann. In diesem Fall kann das trockene Modul entsprechend den Standards bei der Handdesinfektion, sofern es dort zum Einsatz kommt mit auswechselbaren Fluidreservoiren Verwendung finden, da kein Fluidkontakt des trockenen Moduls besteht.Particularly preferably, it can be provided that the dry module can be reused and connected to a stationary holder and/or fluid reservoir. In this case, the dry module can be used according to the standards for hand disinfection, provided that it is used there with exchangeable fluid reservoirs, since there is no fluid contact with the dry module.
Unter wiederverwertbar soll hier verstanden sein, dass das trockene oder auch das fluidseitige Modul bzw. das Fluidreservoir mit mehreren zeitlich aufeinanderfolgenden Fluidfüllungen des Fluidreservoirs verwendet werden können.Reusable is to be understood here as meaning that the dry or also the fluid-side module or the fluid reservoir can be used with a plurality of fluid fillings of the fluid reservoir in chronological succession.
Alternativ aber nicht bevorzugt kann das trockene Modul auch mit einem stationären Halter oder dem Fluidreservoir (Flüssigkeitsreservoir) verbindbar sein und gemeinsam mit dem Fluidreservoir oder z.B. bei Wechsel eines Fluidreservoirs oder zu einem anderen (insbesondere vorgegeben) Zeitpunkt weggeworfen werden.Alternatively, but not preferably, the dry module can also be connected to a stationary holder or the fluid reservoir (liquid reservoir) and thrown away together with the fluid reservoir or, for example, when changing a fluid reservoir or at another (particularly predetermined) point in time.
Erfindungsgemäß ist in dem Kanal des Kolbens eine Dichtung vorgesehen , um den Ausstoß von Flüssigkeiten in definierter Menge zu ermöglichen, wobei die Dichtung während des Ausstoßvorganges von Fluiden geschlossen ist und danach bei einer Rückführung des Kolbens in die Ausgangsposition geöffnet wird, um ein Nachströmen von Fluiden zu ermöglichen.According to the invention, a seal is provided in the channel of the piston in order to enable liquids to be ejected in a defined quantity, the seal being closed during the ejection process of fluids and then being opened when the piston is returned to the starting position in order to allow fluids to flow to allow.
Darüber hinaus kann auch vorgesehen sein, dass die Einlassöffnung mittels einer Dichtung, insbesondere einer Ventildichtung, gegen das Rücklaufen von Fluiden verschließbar ist. Dies ist insbesondere bei einer Förderrichtung von unten nach oben sinnvoll. Die Dichtung im Kanal des Kolbens kann ebenfalls als Ventildichtung ausgeführt sein.In addition, it can also be provided that the inlet opening can be closed by means of a seal, in particular a valve seal, to prevent fluids from flowing back. This is particularly useful for a conveying direction from bottom to top. The seal in the channel of the piston can also be designed as a valve seal.
Derartige Ventile sind aus inerten Materialien, wie beispielsweise Glas, Polyethylen oder Edelstahl, wobei alternativ eine Dichtung aus einem Kunststoffmaterial (Elastomer/Silikon) vorgesehen sein kann. Insbesondere kann als Dichtung ein Kugelventil vorgesehen sein, wobei die Kugel beispielsweise aus Glas, Keramik oder Metall sein kann und der Kugelfang aus einem gegenüber Lösungsmitteln inerten Material, beispielsweise einem Polymer, besteht. Anstelle einer Kugel kann auch eine andere geometrische Form mit einem vorzugsweise runden Querschnitt (quer zur Bewegungsrichtung des Kolbens), wie beispielsweise ein Kegel, verwendet werden. Alternativ kann die Dichtung auch eine Membran sein und aus einem flexiblen inerten Material, beispielsweise Silikon, bestehen, wobei die Membran zwischen einer flachen und einer gefalteten Form (Schirmprinzip) bewegbar ist, je nachdem, ob das Ventil geöffnet oder geschlossen ist. Die Ventile öffnen und schließen dabei automatisch bei entsprechenden Verhältnissen in der Kammer.Such valves are made of inert materials such as glass, polyethylene or stainless steel, alternatively a seal made of a plastic material (elastomer/silicone) can be provided. In particular, a ball valve can be provided as a seal, with the ball being made of glass, ceramic or metal, for example, and the ball stop being made of a material that is inert to solvents, for example a polymer. Instead of a sphere, another geometric shape with a preferably round cross section (transverse to the direction of movement of the piston), such as a cone, can also be used. Alternatively, the seal can also be a membrane and consist of a flexible inert material, for example silicone, with the membrane being movable between a flat and a folded shape (umbrella principle) depending on whether the valve is open or closed. The valves open and close automatically when the conditions in the chamber are appropriate.
Sofern die Auslassöffnung im eingebauten Zustand unten vorgesehen ist, kann an der Auslassöffnung eine Abdichtung vorgesehen sein anstelle oder zusätzlich zu einer Dichtung oder eines Ventils am Einlass, um so eine Abdichtung gegen Auslaufen bereitzustellen.Where the outlet port is provided at the bottom when installed, a seal may be provided at the outlet port instead of or in addition to a seal or valve at the inlet so as to provide a seal against leakage.
Der magnetische Antrieb kann dabei je nach Einsatzzweck verschieden ausgebildet sein. So kann es nicht erfindungsgemäß vorgesehen sein, dass ein oder mehrere Elektromagnete vorgesehen sind, wobei Ringmagnete sowie Hufeisenmagnete aber auch einzelne Magnete vorgesehen sein können, die bei einer Ansteuerung eine Bewegung des Kolbens in die gewünschte Richtung auslösen.The magnetic drive can be designed differently depending on the application. It cannot be provided according to the invention that one or more electromagnets are provided, whereby ring magnets and horseshoe magnets but also individual magnets can be provided which trigger a movement of the piston in the desired direction when actuated.
Daneben können auch mehrere in Bewegungsrichtung des Kolbens übereinander angeordnete Elektromagnete vorgesehen sein, die zur Bewegung des Kolbens ansteuerbar sind und so den Kolben anheben.In addition, several electromagnets arranged one above the other in the direction of movement of the piston can also be provided, which can be controlled to move the piston and thus lift the piston.
Bei der Vorsehung von mehreren übereinander angeordneten Magneten kann je nach Ansteuerung ein voneinander verschiedener Kolbenhub erreicht werden. So kann vorgesehen sein, sofern mehrere in Bewegungsrichtung des Kolbens übereinander angeordnete Elektromagnete vorgesehen sind, dass die Magnete von unten nach oben bei einer Bewegungsrichtung des Kolbens nach vertikal oben aktiviert werden von einer Startposition (unten) in eine Position zum Flüssigkeitsausstoß (oben) und anschließend entweder ausgestellt werden, so dass es zu einem Absinken des Kolbens durch Schwerkraft kommt oder der Kolben wird durch Aktivierung der Magnete von oben nach unten wieder in die Startposition zurückbewegt. Dies kann insbesondere bei höherviskosen Flüssigkeiten vorteilhaft sein, so dass auf einen Energiespeicher in Form einer Feder verzichtet werden kann. Je nachdem, welche Magnete angesteuert werden, kann das ausgestoßene Volumen dosiert werden. Werden z.B. mehrere Magnete in einem vordefinierten Abstand entsprechend angeordnet, so kann beispielsweise die Differenz jeweils 0,5 ml Ausstoßmenge betragen d.h. je angesteuerte Magnetreihe wird diese Menge ausgeben. Auf diese Weise können schrittweise die applizierten Volumina verändert und in vordefinierter Weise angesteuert werden. Die Applikation erfolgt dann in einem einzigen Flüssigkeitsausstoß. Bei einer Flüssigkeitsabgabe von oben nach unten erfolgt die Ansteuerung analog. Das Dosiergerät ist insbesondere geeignet, auf Anforderung eine exakte Dosierung von 1,5 ml bzw. 3,0 ml eines alkoholischen Handdesinfektionsmittels vorzunehmen, wie sie für die hygienische bzw. chirurgische Handdesinfektion vorgeschrieben ist (Hygienische Händedesinfektion: EN 1500, Chirurgische Händedesinfektion: EN 12791) .If several magnets are provided one above the other, a piston stroke that differs from one another can be achieved depending on the actuation. If several electromagnets are arranged one above the other in the direction of movement of the piston, it can be provided that the magnets are activated from bottom to top when the piston moves vertically upwards from a starting position (bottom) to a position for liquid ejection (top) and then either be turned off so that gravity causes the plunger to descend, or the plunger is returned to the starting position from top to bottom by activating the magnets. This can be advantageous in particular in the case of higher-viscosity liquids, so that an energy store in the form of a spring can be dispensed with. Depending on which magnets are controlled, the ejected volume can be dosed. If, for example, several magnets are arranged correspondingly at a predefined distance, the difference can be 0.5 ml of output quantity, ie this quantity is output for each row of magnets that is actuated. In this way, the applied volumes can be changed step by step and controlled in a predefined way. The application then takes place in a single ejection of liquid. If liquid is dispensed from top to bottom, the control is analogous. The dosing device is particularly suitable for the exact dosing of 1.5 ml or 3.0 ml of an alcohol-based hand disinfectant on request, as prescribed for hygienic or surgical hand disinfection (hygienic hand disinfection: EN 1500, surgical hand disinfection: EN 12791 ) .
Das Dosiergerät dient dabei der Förderung von Handdesinfektionsmitteln sowie weiteren Fluiden aus dem Bereich der Körperpflege, der Körperhygiene und der Körperdesinfektion und findet hierbei Verwendung. Darüber hinaus ist das Dosiergerät besonders geeignet für die Abgabe von Flüssigkeiten, die auf der Haut Anwendung finden. Entsprechende Flüssigkeiten sind vorstehend genannt. Insbesondere handelt es sich hier um Haut- oder Handdesinfektionsflüssigkeiten. Die Anwendung erfolgt dabei so, dass die Flüssigkeit aus dem geschlossenen Dosiergerät bzw. Spendersystem heraus abgegeben wird, beispielsweise in die Hand eines Anwenders, z. B. eines medizinischen Fachpersonals oder ähnlichem. Von diesem Anwender wird dann die Flüssigkeit z. B. auf der Hand verteilt. Alternativ ist es auch denkbar, dass über das Dosiergerät eine vordefinierte Menge in ein weiteres System abgegeben wird, das offen oder geschlossen sein kann, um dann in diesem weiteren System zwei Flüssigkeiten zur Herstellung von Verdünnungen zu mischen. Alternativ kann die Ansteuerung auch so erfolgen, dass mehrere Applikationen in unmittelbarer Folge ausgeführt werden, um eine gepulste Abgabe zu erzielen.The dosing device is used to pump hand disinfectants and other fluids from the field of body care, body hygiene and body disinfection and is used here. In addition, the dosing device is particularly suitable for dispensing liquids that are used on the skin. Corresponding liquids are mentioned above. In particular, these are skin or hand disinfectant liquids. The application takes place in such a way that the liquid is released from the closed dosing device or dispenser system, for example into the hand of a user, e.g. B. a medical professionals or the like. From this user then the liquid z. B. distributed on the hand. Alternatively, it is also conceivable for a predefined amount to be dispensed via the dosing device into a further system, which can be open or closed, in order then to mix two liquids in this further system to produce dilutions. Alternatively, the control can also be carried out in such a way that several applications are carried out in direct succession in order to achieve a pulsed delivery.
Der Antrieb erfolgt dabei magnetisch durch Induktion eines magnetischen Feldes mittels Elektromagneten.The drive is carried out magnetically by induction of a magnetic field by means of electromagnets.
Die Auslösung, auf die eine Ansteuerung der Magneten erfolgt, kann berührungslos, z. B. mittels einer Fotozelle, einer Lichtschranke oder anderer z. B. kapazitiver Systeme erfolgen. Alternativ ist auch eine kontaktinduzierte Auslösung (über Berührung), in bekannter Weise über einen Schalter, einen Hebel oder ähnliches denkbar.The triggering on which the magnets are activated can be contactless, e.g. B. by means of a photocell, a light barrier or other z. B. capacitive systems. Alternatively, contact-induced triggering (via touch) in a known manner via a switch, a lever or the like is also conceivable.
Darüber hinaus ist es erfindungsgemäß vorgesehen, den äußeren Magneten durch einen Linearantrieb zu verschieben. D. h. der magnetische Antrieb, der im trockenen Modul vorgesehen ist, umfasst Permanentmagnete, die in Bewegungsrichtung des Kolbens linear verschiebbar sind. Durch das Magnetfeld wird dann der ferromagnetischen Kolben in der Linearverschiebung in beide Richtungen mitgenommen. Nicht erfindungsgemäß kann alternativ oder zusätzlich auch der äußere magnetische Antrieb fixiert sein und die Kamnmer oder das gesamte fluidseitige Modul bewegt werden. So ist es beispielsweise denkbar, dass das fluidseitige Modul zusammen mit dem Fluidreservoir bewegt wird. So ist es beispielsweise denkbar, dass das fluidseitige Modul zusammen mit dem Fluidreservoir bewegt wird. Der Antrieb kann dabei elektrisch erfolgen, wobei in diesem Fall die Stromversorgung mittels einer Batterie, über eine Solarzelle, aber auch über eine zentrale Stromversorgung, die über einen stationären Spender (Halter) bereitgestellt werden kann, vorgesehen sein kann. In gleicher Weise kann auch die Stromversorgung für den elektromagnetischen Antrieb (Elektromagnete) realisiert sein.In addition, it is provided according to the invention to move the outer magnet by a linear drive. i.e. the magnetic drive, which is provided in the dry module, comprises permanent magnets, which are linearly displaceable in the direction of movement of the piston. The magnetic field then takes the ferromagnetic piston along in the linear displacement in both directions. Not according to the invention, alternatively or additionally, the external magnetic drive can also be fixed and the chamber or the entire fluid-side module can be moved. For example, it is conceivable that the fluid-side module is moved together with the fluid reservoir. For example, it is conceivable that the fluid-side module together with the Fluid reservoir is moved. The drive can be electric, in which case the power supply can be provided by means of a battery, a solar cell, but also a central power supply that can be provided by a stationary dispenser (holder). The power supply for the electromagnetic drive (electromagnets) can also be realized in the same way.
Neben der Vorsehung eines elektrisch betätigten Linearantriebs für den magnetischen Antrieb kann auch ein mechanischer Antrieb für den äußeren Magneten vorgesehen sein, in dem dieser über eine Hebelmechanik auf und ab bewegt wird und eine Rückstellung gegebenenfalls mit einer Feder erfolgt. Der mechanische Antrieb kann auch mit einem elektrischen oder elektromechanischen ergänzt werden. Die Feder hat hierbei keinerlei Kontakt zum Fluid.In addition to the provision of an electrically actuated linear drive for the magnetic drive, a mechanical drive can also be provided for the outer magnet, in which it is moved up and down via a lever mechanism and reset, if necessary, with a spring. The mechanical drive can also be supplemented with an electric or electromechanical one. The spring has no contact with the fluid.
Weitere Vorteile und Merkmale der Erfindung ergeben sich allein oder in beliebiger Kombination miteinander aus der Beschreibung sowie der nachfolgenden Darlegung der Ausführungsbeispiele und den Ansprüchen.Further advantages and features of the invention result, alone or in any combination with one another, from the description and the following presentation of the exemplary embodiments and the claims.
Die Erfindung soll im Folgenden anhand von Ausführungsbeispielen näher erläutert werden.The invention is to be explained in more detail below using exemplary embodiments.
Dabei zeigen:
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Figur 1 ein fluidseitiges Modul eines erfindungsgemäßen Spenders in einer ersten Ausgestaltung; -
Figur 2 ein Dosiergerät gemäß der Ausgestaltung nachFigur 1 (nicht gemäß der Erfindung); -
Figur 3 eine alternative Ausgestaltung zuFigur 1 ; -
Figur 4 ein Dosiergerät gemäß einer Ausgestaltung zuFigur 3 (nicht gemäß der Erfindung); -
Figur 5 eine weitere Alternative, bei der der magnetische Antrieb des trockenen Moduls bewegt wird; -
Figur 6 eine alternative Ausgestaltung zuFigur 5 ; -
Figur 7 eine nicht erfindungsgemäße Gestaltung, bei der das fluidseitige Modul bewegt wird; -
Figur 8 eine alternative nicht erfindungsgemäße Ausgestaltung zuFigur 7 ; -
Figur 9 eine weitere Alternative zuFiguren 5 und6 ; -
Figuren 10 und11 eine nicht erfindungsgemäße Alternative zuFiguren 7 und8 ; -
eine perspektivische Darstellung der Erfindung.Figur 12
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figure 1 a fluid-side module of a dispenser according to the invention in a first embodiment; -
figure 2 a dosing device according to the embodimentfigure 1 (not according to the invention); -
figure 3 an alternative designfigure 1 ; -
figure 4 a dosing device according to one embodimentfigure 3 (not according to the invention); -
figure 5 another alternative in which the magnetic drive of the dry module is moved; -
figure 6 an alternative designfigure 5 ; -
figure 7 a configuration not according to the invention in which the fluid side module is moved; -
figure 8 an alternative embodiment not according to the inventionfigure 7 ; -
figure 9 another alternative tofigures 5 and6 ; -
figures 10 and11 an alternative not according to the inventionfigures 7 and8th ; -
figure 12 a perspective view of the invention.
Weiterhin ist eine Dichtung 32 am Einlass 24 vorgesehen, die ebenfalls ein Kugelventil 34 aufweist. Als Kugelmaterial kann beispielsweise Glas oder Keramik oder ein Metall verwendet werden, wobei das Kugelmaterial gegenüber dem verwendeten, insbesondere alkoholischen Fluid, wie es für die Handdesinfektion eingesetzt wird, beständig sein muss. Der Kugelfang besteht dabei ebenfalls aus einem gegenüber Lösungsmitteln bzw. dem eingesetzten Fluid inerten Material und ist vorzugsweise aus einem Polymer hergestellt.Furthermore, a
Durch die Auf- und Abbewegung des Kolbens 16 in der Kammer 14 erfolgt ein Fördern von Fluid gemäß den Pfeilrichtungen 28, 22 und 30 von einem Fluidreservoir zu einer Ausgabeeinrichtung. Bewegt sich der Kolben von einer unteren Position nach oben in der Zeichnung, kommt die Kugeldichtung 20 in der gezeigten Position zu liegen und Flüssigkeit aus dem Bereich oberhalb des Kolbens 16, die in der Kammer 14 enthalten ist, wird über den Auslass 26 abgegeben. Die Kammer 14 ist dabei in der Art eines Steigrohrs aufgebaut. Gleichzeitig öffnet das Ventil 34, so dass Fluid aus dem Reservoir in den Bereich der Kammer 14 unterhalb des Kolbens 16, nachfließen kann.The up and down movement of the
Erfolgt dann nach der Fluidabgabe ein Nachuntenführen oder schwerkraftbedingtes Nachuntensinken des Kolbens 16, so wird die Kugel 20 von ihrem dargestellten Sitz abgehoben und gibt eine Öffnung frei, über die dann Fluid aus dem Bereich unterhalb des Kolbens 16 in Pfeilrichtung 28 durch den Kanal 18 in den Bereich oberhalb des Kolbens 16 gefördert wird. Das Ventil 34 ist dabei geschlossen.If, after the fluid has been dispensed, the
Die nicht erfindungsgemäße Ansteuerung des Kolbens 16 ist nun in
Der Spender weist dabei ein trockenes Modul 13 auf, das keinerlei Kontakt mit dem Fluid hat und mehrere in Bewegungsrichtung des Kolbens 16 übereinander angeordnete Elektromagnete 36 besitzt. Diese können als Einzelmagnete, aber auch als Ringmagnete oder Hufeisenmagnete ausgebildet sein. Wird nun über Stromquelle 38 an einen Schalter oder Sensor 42 ein Strom angelegt, so ist dieser betätigbar, entweder berührungslos oder über eine Berührung, und gibt je nach Stellung ein Signal 44 an eine Steuerung 46, die die Elektromagnete 36'-36‴ ansteuert, und zwar derart, dass der Kolben 16 in Pfeilrichtung 28, 30 in der Kammer 14 vertikal nach oben angehoben wird und es so zu einer Förderung einer vorher definierten Fluidmenge kommt, die dann aus einem Auslass einer Ausgabeeinrichtung austritt.The dispenser has a
Nach dieser Abgabe von Fluid sinkt der Kolben 16 dann entweder mittels der Schwerkraft oder über die Elektromagnete 36 gesteuert wieder in seine Ausgangsposition zurück. Die Fluidabgabe kann dabei so gesteuert werden, dass je Reihe an Elektromagneten 36' bis 36‴ 0,5ml/1,0ml Fluid in einem Strahl ausgegeben werden, maximal also 1,5ml/3,0ml Fluid.After this delivery of fluid, the
Dabei ist es besonders vorteilhaft, dass keine mechanischen und damit einem erhöhten Verschleiß unterliegenden Bauteile notwendig sind und insbesondere keine kraftschlüssige oder sonstwie mechanische Kopplung zwischen dem fluidseitigen Modul 12 und dem trockenen Modul 13 zum Antrieb des Kolbens 16 notwendig ist.It is particularly advantageous that no mechanical components, which are therefore subject to increased wear, are necessary and in particular that no non-positive or other mechanical coupling is necessary between the fluid-
Wird der Kolben 16 dann von einer Position an seiner in der Zeichnungsebene unteren Position wieder zurückbewegt, nehmen die Membranen 56 genau die entgegengesetzten Stellungen ein und dichten so den Eingang ab und fördern gleichzeitig Fluid in den Bereich unterhalb des Kolbens 16, also in den Bereich der Kammer 14, der dem ausgangsseitigen Ende des Kolbens 16 zugewandt ist.If the
Dabei kann die Auswahl der Dichtung (z.B. Kugelventil oder Membrandichtung) unabhängig von der Fluidströmrichtung gewählt werden.The seal (e.g. ball valve or diaphragm seal) can be selected independently of the fluid flow direction.
Die
Soll bei einer Ausgestaltung, bei der der magnetische Antrieb bewegt wird, wie es in den
Die Federn 84 können dabei fest an einem Haltergehäuse (Halter), also stationär, festgelegt sein.The
Ebenfalls ist es möglich, statt eines elektromechanischen Antriebs für das fluidseitige Modul 12 bzw. 12' (vgl.
Auf diese Weise kann besonders einfach ein Spender bereitgestellt werden, das lediglich einem geringen Verschleiß unterworfen ist, wobei die Defektanfälligkeit, die insbesondere bei Kontakt zu alkoholischen Produkten, wie Sie der Händedesinfektion dienen, vermindert werden kann. Die Voraussetzungen, ein vorgegebenes Volumen über die gesamte Verwendungsdauer sicher zu fördern, werden hiermit erreicht.In this way, a dispenser can be provided in a particularly simple manner that is only subject to a small amount of wear and tear, with the susceptibility to defects, which can be reduced in particular when there is contact with alcoholic products such as those used for hand disinfection. The prerequisites for safely conveying a specified volume over the entire period of use are hereby achieved.
Claims (9)
- A body care product, hygiene product or disinfectants dispenser comprising a fluid reservoir (100), a dosing device having a fluid-side module (12, 12') and a dry module (13), wherein the fluid-side module (12, 12') comprises a chamber (14) and a magnetic piston (16) which is guided in the chamber (14) and is movable by means of a magnetic drive, said piston being penetrated by a duct provided with a seal (20, 56), wherein the magnetic drive for the magnetic piston (16) is disposed in the dry module (13) and wherein the magnetic drive comprises magnets (60), which are linearly displaceable in the motional direction of the piston (16), and the chamber (14) has an inlet (24) on a side lying in the motional direction of the piston (16) and an outlet (26) on an opposite side, and wherein the inlet (24) is connectable to a fluid reservoir (100), and the outlet (26) to a dispensing device (103), wherein the chamber (14) is configured as a riser tube.
- The dispenser as claimed in claim 1, characterized in that the fluid reservoir (100) is disposable and, in particular, exchangeable.
- The dispenser as claimed in claim 1 or 2, characterized in that the dry module (13) is reusable and is connectable to a fixed holder and/or a fluid reservoir (100) .
- The dispenser as claimed in one of the preceding claims, characterized in that the fluid-side module is designed to be reusable, treatable or alternatively disposable, in particular disposable jointly with a fluid reservoir.
- The dispenser as claimed in one of the preceding claims, characterized in that the seal in the duct (18) of the piston (16) is realized as a ball seal (20) or as a diaphragm seal (56).
- The dispenser as claimed in one of the preceding claims, characterized in that the inlet opening (24) can be closed off by means of a seal (32, 34, 56), in particular a valve seal, in particular a ball valve (34) or a diaphragm seal (56), against a backflow of fluid.
- The dispenser as claimed in one of the preceding claims, for the dispensing of hand disinfectants.
- A method for the dosing of body care products, hygiene products or disinfectants, in particular hand disinfectants, employing a dispenser comprising a dosing device having a fluid-side module (12, 12') and a dry module (13), wherein the fluid-side module (12, 12') comprises a chamber (14) and a magnetic piston (16) which is guided in the chamber (14) and is movable by means of a magnetic drive, said piston being penetrated by a duct provided with a seal (20, 56), wherein the magnetic drive for the magnetic piston (16) is disposed in the dry module (13), characterized in that the magnetic drive comprises magnets (60), which are linearly displaceable in the motional direction.
- A method according to claim 8 employing a dispenser according to one of the preceding claims 1 to 7.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015211986.6A DE102015211986A1 (en) | 2015-06-26 | 2015-06-26 | Dosing device with a fluid-side module and a dry module |
PCT/EP2016/064409 WO2016207211A1 (en) | 2015-06-26 | 2016-06-22 | Dosing device with fluid-side module and a dry module |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3313248A1 EP3313248A1 (en) | 2018-05-02 |
EP3313248B1 true EP3313248B1 (en) | 2023-03-29 |
Family
ID=56203363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16731865.8A Active EP3313248B1 (en) | 2015-06-26 | 2016-06-22 | Dispenser with fluid-side module and a dry module |
Country Status (4)
Country | Link |
---|---|
US (1) | US10492649B2 (en) |
EP (1) | EP3313248B1 (en) |
DE (1) | DE102015211986A1 (en) |
WO (1) | WO2016207211A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201700025159A1 (en) * | 2017-03-07 | 2018-09-07 | Elbi Int Spa | Liquid dispensing device, in particular for dispensing washing agents in a washing machine. |
DE102017112729A1 (en) | 2017-06-09 | 2018-12-13 | Paul Hartmann Ag | Dispenser system for liquid media |
CN108730152A (en) * | 2018-04-18 | 2018-11-02 | 歌思(天津)低温设备有限公司 | A kind of small flow cryogenic liquid plunger pump |
CN113287956B (en) * | 2020-02-21 | 2023-06-30 | 张文腾 | Quantitative liquid feeding device |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3348489A (en) * | 1965-01-21 | 1967-10-24 | Meyer Ernst | Induction pump |
US4102610A (en) * | 1976-09-03 | 1978-07-25 | John Taboada | Constant volume seal-free reciprocating pump |
ZA821274B (en) * | 1981-03-26 | 1983-01-26 | Dagma Gmbh & Co | Method of and device for dispensing viscous concentrates of variable viscosity in accurately metered quantities of variable volume |
DE3132897A1 (en) | 1981-08-20 | 1983-03-03 | Robert Bosch Gmbh, 7000 Stuttgart | Feed pump |
EP0605903B1 (en) * | 1993-01-07 | 1997-06-11 | TDK Corporation | Movable magnet type pump |
DE4328621C2 (en) | 1993-08-26 | 2002-11-28 | Thomas Magnete Gmbh | Electromagnetically operated pump, in particular metering pump |
US5567131A (en) * | 1995-04-20 | 1996-10-22 | Gorman-Rupp Industries | Spring biased check valve for an electromagnetically driven oscillating pump |
GB9521218D0 (en) | 1995-10-17 | 1995-12-20 | Frost F C Ltd | Soap dispenser |
US6209751B1 (en) * | 1999-09-14 | 2001-04-03 | Woodward Laboratories, Inc. | Fluid dispenser |
US6868992B2 (en) * | 2002-08-13 | 2005-03-22 | Jacob Lasry | Liquid-dispensing device |
FR2850298B1 (en) * | 2003-01-28 | 2005-03-04 | Commissariat Energie Atomique | DEVICE FOR INJECTING A FLOW OF SUPERSONIC PULSE GAS |
US7578419B2 (en) * | 2005-01-07 | 2009-08-25 | Greenwald Technologies, Llc | Disposable integrated bag and pump |
GB0427646D0 (en) | 2004-12-17 | 2005-01-19 | Reckitt Benckiser Uk Ltd | Device |
US7896202B2 (en) | 2005-01-07 | 2011-03-01 | Shlomo Greenwald | Disposable integrated bag and pump |
AU2007276680B2 (en) * | 2006-07-18 | 2012-11-08 | Fuel Transfer Technologies | Portable pumping apparatus for concurrently pumping liquid from a source container to a destination container and pumping vapor from the destination container to the source container |
DE102010000690A1 (en) * | 2010-01-05 | 2011-07-07 | Hamilton Bonaduz Ag | Dosing device and dosing process |
US8834137B2 (en) * | 2010-04-16 | 2014-09-16 | Bemis Manufacturing Company | Primer bulb |
-
2015
- 2015-06-26 DE DE102015211986.6A patent/DE102015211986A1/en not_active Withdrawn
-
2016
- 2016-06-22 US US15/738,656 patent/US10492649B2/en not_active Expired - Fee Related
- 2016-06-22 WO PCT/EP2016/064409 patent/WO2016207211A1/en active Application Filing
- 2016-06-22 EP EP16731865.8A patent/EP3313248B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20180184856A1 (en) | 2018-07-05 |
WO2016207211A1 (en) | 2016-12-29 |
EP3313248A1 (en) | 2018-05-02 |
DE102015211986A1 (en) | 2016-12-29 |
US10492649B2 (en) | 2019-12-03 |
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