Classifications

• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
  • A01G25/00—Watering gardens, fields, sports grounds or the like
  • A01G25/14—Hand watering devices, e.g. watering cans
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
  • B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
  • B05B12/006—Pressure or flow rate sensors
  • B05B12/008—Pressure or flow rate sensors integrated in or attached to a discharge apparatus, e.g. a spray gun
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
  • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
  • B05B9/01—Spray pistols, discharge devices
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
  • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
  • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
  • G01F1/10—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with axial admission
  • G01F1/115—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with axial admission with magnetic or electromagnetic coupling to the indicating device

Definitions

• Irrigation device with flow measuring device Irrigation device with flow measuring device.
• the invention relates to an irrigation device, in particular a hand-held irrigation device, with a flow-measuring device.
• a hand-held irrigation device in the form of a garden sprayer is known from EP 1 884 292 A1, in which a flow path with a turbine unit is formed between the main body of the device housing and a spray nozzle body connected thereto.
• the turbine unit is arranged and fixed in a turbine seat bounded by the main body and the spray nozzle body.
• the turbine is provided with permanent magnets, which induce electrical signals in an electronic unit arranged outside the flow path upon rotation of the turbine, so that in the electronic unit, the flow rate of a water flow, which flows from an input port through the turbine to the spray nozzle body, can be determined.
• the electronic unit which includes a display device and a circuit board, is housed in a chamber covered by a transparent removable cover in the outer top of the main body of the device housing and can be removed from the chamber after removing covers.
• the present invention has for its object to provide an advantageous structure of an irrigation device with a flow measuring device.
• the invention is described in the independent claim.
• the dependent claims contain advantageous refinements and developments of the invention.
• the reversible detachability of the nozzle body from the main body advantageously allows the removal of the turbine unit from the turbine mount, for example, to clean the turbine unit or to replace in the event of a defect.
• the turbine unit In the operating position, the turbine unit is determined by a cooperation of main body and nozzle body in a defined position in the turbine seat, wherein a rotational body of the turbine unit is rotatably mounted about its axis of rotation.
• Nozzle body and main body are typically constructed in several parts, but advantageously designed in the release position in each case as a uniformly manageable body.
• the nozzle body may include at least one actuating element, which is manually adjustable in the operating position by the user relative to the main body and by means of which the jet pattern of the dispensed by a nozzle arrangement of the nozzle body water jet is variable.
• one of several different nozzle elements can be selected as an effective nozzle element of a multiple nozzle head by means of the actuating element.
• a flow channel leading through the main body and through the nozzle body located downstream therefrom has a first section in the main body and a second section in the nozzle body.
• first and second portions at a connecting portion in the flow direction immediately adjoin one another without an intermediate body and are sealed against each other, for which advantageously a single seal may be sufficient.
• the turbine seat is advantageously formed in one of the two sections of the flow channel.
• an intermediate body bridging a gap between the first and second sections may also be provided at the connection area, which intermediate body may in particular also form the turbine seat and in which set operating position between the nozzle body and the main body and sealed against the first and second portions of the flow channel via a respective seal.
• the main body and nozzle body are locked in the operating position by a Sich ceremoniesselennent each other.
• the Sich ceremoniesselennent is advantageously relative to the main body and nozzle body between a use position in which the Sich réelleselennent main body and nozzle body locked in their operating position to each other, and a non-use position in which main body and nozzle body between the operating position and the release position are secured relative to each other, displaced ,
• the securing element is displaceable transversely to the main flow direction of the flow channel at the connection region in order to change between its position of use and non-use position.
• a nozzle body which has a nozzle head, for example a multi-nozzle head, with a larger dimension than the connecting area of larger dimension transversely to the main flow direction at the connection area.
• the securing element preferably forms a positive locking of the main body and the nozzle body.
• the securing element is preferably completely disengaged from the main body and the nozzle body in its non-use position, but in another embodiment it can also be held captive on the main body or nozzle body.
• the securing element is in a preferred embodiment as a further housing, preferably a plastic injection molded body, executed, wherein in the position of use of the further housing part advantageously at least one housing opening in nozzle body, main body or further housing part is hidden, which is accessible in the non-use position.
• connection between the main body and the nozzle body at the common connection area defines a movement sequence in the relative displacement between the operating position and the release position.
• such a movement sequence forms a linear relative movement between the main body and the nozzle body, preferably with a direction of movement of the relative movement parallel to the main flow direction of the flow channel at the connection region.
• the connection can in particular form a plug connection.
• the direction of movement forms the plug-in direction.
• Advantageously overlapped connecting portions of main body and nozzle body overlap in the insertion direction.
• the securing element can then be arranged in an advantageous embodiment in the overlap region and engage in a preferred embodiment within the overlap region positively in the main body and nozzle body. The securing element then locks the main body and the nozzle body against a releasing linear movement directed counter to the insertion direction.
• the securing element can advantageously be placed transversely to the main flow direction on the main body and / or nozzle body, in particular elastically snap-on. This may be particularly advantageous in connection with a nozzle body which widened away from the main body connecting region, as is typical for shower nozzle or multi-nozzle arrangements.
• the securing element can also be constructed in several parts, for example in the form of two halves surrounding the connecting region on both sides.
• the connection between the main body and the nozzle body may include a movement with a rotational movement component of the nozzle body relative to the main body and in particular form a bayonet connection or preferably a threaded connection, wherein the axis of rotation of the rotational movement coincides advantageously with the main flow direction at the connection area.
• the securing element is then preferably designed and coupled to the main body and nozzle body, that in the operating position of the main body and nozzle body in its position of use fuse element blocks rotation of the nozzle body relative to the main body about the axis of rotation.
• the electronic device cooperating with the turbine unit for flow measurement is advantageously detachable at least with parts of several components, preferably all of its components
• Main body and / or the nozzle body connectable electronics housing housed.
• the electronic device can be prefabricated and tested separately.
• a battery receptacle is advantageously hidden inaccessible, so that falling out of a battery from the battery receptacle is reliably prevented.
• a release position in which the electronics housing of the main body and / or nozzle body is released, the battery holder for removing or inserting a battery is accessible to a user.
• the electronics housing may preferably contain one or more, preferably all, components of the display device, electronic circuit board and control element.
• the electronics housing also forms the securing element, which locks in its position of use main body and nozzle body relative to each other.
• FIG. 1 shows a first embodiment of a garden sprayer as an irrigation device, another embodiment of a garden sprayer,
• Fig. 1 shows in a perspective view of Fig. 1 (A) and a side view of Fig. 1 (B) a first embodiment of a garden sprayer as irrigation device, in which a nozzle head DK1 with a nozzle assembly DA for dispensing water jets according to several different selectable Beam images is formed.
• the design of the nozzle head as a multi-function nozzle head is merely exemplary.
• a main body HK1 of the garden sprayer has an input port EA1 with a nipple SN as part of a hose coupling.
• the main body HK1 of the housing of the garden sprayer has a handle portion HG1 which is designed and provided for gripping by a user hand, and a nozzle head DK1 facing connecting portion HV, in which a connecting piece VK of the nozzle head DK1 can be inserted.
• connection piece VK circumferential grooves for receiving O-ring seals are provided, which in the assembled state of the nozzle head DK1 and main body HK1 at the Inner wall of a connection receiving VA in the connecting piece HV abut and ensure a reliable lateral sealing of the flow path through the housing of the garden spray from the input terminal EA1 to the nozzle assembly DA of the nozzle head DK1.
• a turbine unit TE which includes a turbine TU in a turbine casing TG, is insertable in the direction of joining the connecting pipe VK with the connecting portion HV between the nozzle head DK1 and the main body HK1, and is in the assembled state of the nozzle head DK1 and main body HK1 in one of these two Housing parts formed turbine receptacle and fills substantially the entire cross-section of the turbine seat, so that a flowing from the input terminal EA1 of the main body HK1 to the nozzle assembly DA flowing water flow substantially completely through the turbine unit TE and the turbine TU rotatably drives.
• At the connecting piece VK is schematically indicated with TA1 designed in the nozzle head part of the turbine intake.
• the turbine TU advantageously contains, in a manner known per se, permanent magnets which, upon rotation of the turbine TU, cause a magnetic field which passes through the side wall of the turbine receptacle and passes through the rotation.
• This magnetic field is detected by an electronic unit EE1 on the outside of the connecting portion HV, for example, by a coil and / or a reed sensor or Hall sensor, and evaluated in an evaluation of the electronic device EE.
• the evaluation may in particular include the detection of a cumulative flow rate.
• a display device AE1 of the electronic unit EE1 can then display, for example, the amount of water discharged via the nozzle arrangement DA starting from a starting time.
• the electronic unit EE1 has its own housing GE1, in which an electronic circuit and the display device AE1 can be housed and are preferably encapsulated moisture-proof in an insulating potting compound.
• a magnetic field sensor within the electronics housing GE1 can be included in the potting compound or arranged outside it.
• a magnetic field sensor is arranged on a side of the electronics housing GE1 facing the connection section HV.
• On the electronics housing EE1 a not shown in Fig. 1, in the view of FIG. 1 concealed battery receptacle is provided, in which a battery BA1, which may also be a rechargeable battery can be used.
• the electronics housing GE1 of the electronics unit EE1 is displaceable relative to the device housing of the garden sprayer between an operating position in which the electronic unit EE can detect the magnetic field of the permanent magnets of the turbine TU, and a non-use position.
• the electronics unit EE1 is completely detachable from the device housing and drawn in FIG. 1 in the non-use position.
• the electronics housing GE1 of the electronics unit EE1 can be placed transversely to the flow path through the turbine unit TE onto the device housing, can be snapped on in the example outlined, elastically deformable snap structures SA1 of the electronics housing GE1 under the action of a user force acting on the electronics unit GE1 transversely to the flow direction through the turbine unit of the connecting portion HV slide along and spread apart against an elastic restoring force and engage behind in completely snapped condition with their free ends the connecting portion HV.
• Fig. 1 (B) a common central longitudinal axis MA is shown for the connecting piece VK and the connecting portion HV.
• a central longitudinal axis ME is registered between the snap structures SA1, which coincides in the use position with the electronic housing snapped onto the device housing with the central longitudinal axis MA.
• the turbine unit is arranged offset with its turbine axis of rotation MT against the central longitudinal axis MA in the direction of the electronics housing GE1 to keep the distance between the permanent magnets of the turbine and the magnetic field sensor of the electronic unit low.
• connection piece VK of the nozzle head DK1 flattened areas FD1 are formed as recesses against a cylindrical envelope of the connection piece VK, which are accessible through the wall openings FA1 when the connection piece VK is completely immersed in the connection portion HV.
• connection portion HV in the snapped-on state of the electronics housing GE1 encompassing snap structures SA1 are on the connecting portion HV facing insides securing elements SE formed which engage through the wall openings FA1 in the flattened recesses FD1 of the connecting piece VK of the nozzle body DK1 and in this way the connection piece VK secure against undressing and possibly also against rotation within the connecting section HV of the main body HK1.
• independent anti-rotation between nozzle head DK1 and main body HK1 are provided.
• the turbine unit TE is located within the turbine housing limited by the nozzle head DK1 and the main body HK1 of the device housing. held and set me and inserted into the battery receptacle of the electronics housing GE1 battery is hidden inaccessible and thereby the battery BA1 also held securely in the battery receptacle.
• the electronics housing GE1 is drawn off transversely to the flow direction by the turbine unit TE from the connecting portion HV of the main body HK1, after which the battery BA1 is removed from the battery housing of the electronics housing GE1 and /. or after removing the nozzle head DK1 from the connecting section HV, the turbine unit TE can be removed for cleaning purposes or for replacement.
• a hand lever HA1 operable to release the flow path through the main body HK1 from a user's hand to a handle portion HG1 and a manually operable regulating valve RV are also shown in a manner known per se.
• Fig. 2 shows a further advantageous embodiment of a garden spray as an exploded view in two views (A) and (B) with different viewing directions.
• an opening TA is designed as a receptacle for a turbine unit TE.
• the turbine unit TE contains in a turbine housing TG a rotational body whose axis of rotation preferably runs parallel to the main flow direction of a flow channel section in the turbine receptacle TA.
• the main body HK2 has a thread VG.
• a counter thread GG is formed in the nozzle body DK2 facing the main body HK2 a counter thread GG.
• the nozzle body DK2 can be screwed onto the main body HK2 via the threaded connection between thread VG and counter thread GG, the thread in this case needing to be non-self-locking and having a high thread pitch.
• the thread axis of the threaded connection determines a connection direction VR.
• the sequence of movements in the connection of the nozzle body DK2 with the main body HK2 or the opposite movement when releasing the nozzle body DK2 from the main body HK2 is then composed of a linear component in the connection direction VR and a rotational component about the connection direction VR together.
• a connecting section DV is formed on the nozzle body DK2 facing the main body HK2, which overlaps with a nozzle body DK2 screwed onto the main body HK2 in the operating position with a connecting section of the main body HK2 facing the main body HK2 in the connection direction VR.
• the electronics housing GE2 which contains the electronic device EE2, in particular a display device AE2, an operating element BE2 and an electronic circuit board and a sensor for non-contact cooperation with the turbine unit TE, has a housing section EV, via which the electronics housing GE2 by means of fastening screws BS or other fastening means can be connected to the applied in the operating position on the main body HK2 nozzle body DK2, as can be seen in the assembled operating state in Fig. 3.
• a recess in the connecting section DV of the nozzle body DK2 is selected to be radially so large that, when the nozzle body DK2 is screwed onto the main body HK2 via the threaded connection VG, GG, the connecting section DV can be rotated past the stop structures AS.
• counterstop structures ST are formed which abut against the abutment structures AS of the main body HK2 when the electronics housing GE2 is fastened to the nozzle body DK2 in the operating state and block rotation of the nozzle body DK2 against the main body HK2 about the connection direction VR.
• the electronics housing GE2 thereby forms a securing element, which prevents a release of the connection between the nozzle body DK2 and the main body HK2.
• a battery receptacle BA2 is further formed, which in the non-use position shown in Fig. 2 of the electronics housing GE2, in which this is solved by the nozzle body DK2 and main body HK2, for the user to replace a battery required for the operation of the electronic device EE2 is accessible.
• a seal between a first flow channel section in the main body HK2 and downstream in flow direction second flow channel section in the nozzle body DK2 takes place in the connection region between the main body HK2 and nozzle body DK2 example, by an inserted in the connecting direction between the main body HK2 and nozzle body DK2 ring seal.
• On the main body HK2 are in Fig. 1 analogous manner turn an actuator HH2 for releasing the flow passage through the main body, a regulating valve RV and a
• Hose nipple SN designed as a connection element.
• the statements made with reference to FIG. 1 apply analogously.
• the formation of the stop structures AS can vary in many ways. Likewise the formation of the counterstop structures ST in the electronics housing GE2. Of importance in the type of connection is that the compound has a rotational movement component in the course of movement of producing or releasing the connection between nozzle body DK2 and main body HK2 and a securing element, which is preferably formed by the electronics housing GE2, the operating position between the nozzle body DK2 and main body HK2 secures by such a securing element, the rotational movement of the compound, which could also be a bayonet connection in an alternative embodiment, locks.
• An engagement of counter-abutment structures with stop structures can also be embodied in other ways known per se to the person skilled in the art and can also comprise a sliding movement parallel to the connection direction.

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• Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Analytical Chemistry (AREA)
• Fluid Mechanics (AREA)
• Electromagnetism (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Water Supply & Treatment (AREA)
• Life Sciences & Earth Sciences (AREA)
• Environmental Sciences (AREA)
• Nozzles (AREA)

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Citations (5)

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• 2012
  • 2012-09-18 WO PCT/EP2012/068333 patent/WO2013139407A1/fr not_active Ceased
  • 2012-09-18 CN CN201280071525.3A patent/CN104203427B/zh active Active

Patent Citations (5)

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