EP3141675B1 - Dispositif de nettoyage submersible - Google Patents

Dispositif de nettoyage submersible Download PDF

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Publication number
EP3141675B1
EP3141675B1 EP16185089.6A EP16185089A EP3141675B1 EP 3141675 B1 EP3141675 B1 EP 3141675B1 EP 16185089 A EP16185089 A EP 16185089A EP 3141675 B1 EP3141675 B1 EP 3141675B1
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EP
European Patent Office
Prior art keywords
channel section
impeller
cross
section
underwater cleaner
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
Application number
EP16185089.6A
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German (de)
English (en)
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EP3141675A1 (fr
Inventor
Andrés FRÄNKEL
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Individual
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Individual
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Publication of EP3141675A1 publication Critical patent/EP3141675A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/14—Parts, details or accessories not otherwise provided for
    • E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
    • E04H4/1654—Self-propelled cleaners
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/14—Parts, details or accessories not otherwise provided for
    • E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
    • E04H4/1618—Hand-held powered cleaners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B63B59/06—Cleaning devices for hulls
    • B63B59/08—Cleaning devices for hulls of underwater surfaces while afloat
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/14—Parts, details or accessories not otherwise provided for
    • E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
    • E04H4/1618—Hand-held powered cleaners
    • E04H4/1636—Suction cleaners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B63B59/06—Cleaning devices for hulls
    • B63B59/08—Cleaning devices for hulls of underwater surfaces while afloat
    • B63B2059/082—Cleaning devices for hulls of underwater surfaces while afloat the devices being supported on arms or rods

Definitions

  • the invention relates to an underwater cleaner, in particular for a swimming pool, with a housing in which a particular battery-operated pump with an electric motor and an impeller is arranged, wherein the housing has an inlet opening and an outlet opening for a flow path, which emanates one of the first inlet opening the first channel portion and a second channel portion receiving the impeller, wherein the second channel portion is arranged inclined to the first channel portion, and the impeller axis is arranged inclined to a normal to the opening cross section of the inlet opening, and wherein the ratio A / B of a first cross-sectional area A to a second cross-sectional area B is less than 2.8, wherein the first cross-sectional area A through the smallest flow cross-section in the first channel section and the second cross-sectional area B through the smallest flow cross-section of the second channel section s is defined directly at the impeller inlet, wherein in the region of the outlet opening a receptacle for a dirt filter is arranged and wherein the impeller is
  • the US 2005/0247613 A1 discloses an underwater vacuum cleaner in which the axis of rotation of the impeller is disposed inclined to a normal to an inlet cross-sectional area.
  • a first channel section with a tapered cross section is arranged adjacent to the inlet opening of the underwater vacuum cleaner, which opens into a suction chamber, in which a dirt filter is arranged.
  • a second channel section From this suction chamber is a second channel section, in which a pump is arranged with a radial impeller.
  • the inlet cross section into the pump is relatively small. As a result of numerous deflections and sharp edges, turbulences, which limit the suction power, occur, in particular following the first channel section.
  • an underwater cleaner in which the impeller axis is arranged normal to the opening cross-section of the inlet opening:
  • the impeller designed as Axiallaufrad is located near the ground directly in the region of the inlet opening of the underwater cleaner.
  • Axiallaufgann large diameter can form a stagnation zone with low flow velocities below the impeller axis, in which the cleaning effect is reduced.
  • An underwater cleaner which has a first channel section extending from an inlet opening and a second channel section receiving an impeller, wherein the second channel section is arranged inclined to the first channel section and the impeller axis is arranged inclined to a normal to the opening cross section of the inlet opening.
  • the ratio of a smallest first cross-sectional area of the first channel section to a smallest cross-sectional area of the second channel section is less than 2.8.
  • an internal dirt collecting space is formed, wherein the flow cross sections abruptly change in the region of the confluence of the first channel portion in the dirt collecting space and in the region of the outlet from the dirt collecting space in the second channel section, which leads to turbulence and relatively high flow losses .
  • Another disadvantage of the internal dirt collecting space is that the level is not immediately visible from the outside and that the housing must be opened to empty the dirt collecting space.
  • a similar underwater cleaner is from the US 2001/0032809 A1 known.
  • the US 7,520,015 B1 describes a portable underwater cleaning device with a housing in which a pump is arranged with an impeller driven by an electric motor.
  • An inlet opening exhibiting suction head is pivotally connected to the housing. From the inlet opening is an expanding first channel section, which opens into a chamber in which a dirt filter is arranged. Above the first chamber, a impeller of a pump receiving second channel section is arranged. Between the first channel section extending from the inlet opening and the second channel section receiving the rotor, there are sudden cross-sectional changes. These and the suction side of the impeller arranged dirt filter have an adverse effect on the suction power.
  • the swimming pool cleaning system has a movable housing, in which a drive motor is arranged, which drives both wheels, and propellers.
  • the housing has a bottom-side lower inlet and an upper inlet in the region of the top of the housing, which open into a common rigid suction tube.
  • a flexible suction hose is connected, which is connected to the external swimming pool pump, which is located outside the swimming pool.
  • the pool filter device is connected to the outlet side of the swimming pool pump.
  • the cleaning system is unwieldy, heavy and costly to manufacture.
  • the DE 1 920 172 A1 describes a mobile machine for cleaning swimming pools with a housing in which a pump with a wired electric motor and a radial impeller is arranged.
  • the housing has a suction nozzle with an inlet opening, the opening cross-section of which is approximately parallel to the surface to be cleaned.
  • the first channel section formed by the suction nozzle opens into a substantially cylindrical housing space of a comminution device, in which a rotating knife wheel is arranged in correspondence with the impeller of the pump.
  • the impeller and the impeller of the pump are driven together by the shaft of the electric motor.
  • the housing space of the comminution device is connected via a wall opening with a second channel section receiving the impeller of the pump.
  • the second channel section opens into an outlet channel, which opens into a filter bag.
  • the object of the invention is to develop a very simple and low-production underwater vacuum cleaner, which - especially when using wheels with relatively large diameters - has a high suction.
  • the impeller is designed as axial impeller, relatively large flow rates and thus a particularly high suction power can be achieved.
  • the outlet opening is formed by the second channel section. This has the advantage that the arrangement is compact.
  • the second channel section is designed as a further preferred embodiment of the second channel section as a cylindrical tube. This shape is also inexpensive to produce.
  • the angle between the fluid axis of the first channel portion and the fluid axis of the second channel portion preferably includes an angle of 30 ° to 90 °, while particularly preferred is an embodiment in which this angle is between 70 ° and 80 °.
  • the first channel section has a rectangular or oval cross-section, which preferably tapers from the starting region of the first channel section to the end region of the first channel section.
  • the installation of a compact motor with high speeds is used. Therefore, a lower-power motor can be used, which allows a relatively larger suction power.
  • the underwater cleaner 1 shown in the figures for example for a swimming pool, has a housing 2, in which an impeller 3, with an electric motor 4 and a transmission 5 operate as a pump.
  • the impeller 3 is driven by the electric motor 4 via the transmission 5.
  • the electric motor 4 and the gear 5 and the bearing of the impeller 3 are housed in a pump housing 6.
  • the pump housing 6 is connected to the housing 2 via a suspension 7.
  • About the suspension 7 at the top of the housing 2, for example, rechargeable batteries 8 are arranged.
  • the batteries 8 are waterproof, arranged by a battery case cover 9, sealed in the housing 2.
  • a closure 10 for the battery case cover 9 is attached.
  • the suspension 7 is hollow in order to accommodate therein the electrical connection between the electric motor 4 and the batteries 8. Outside the housing 2 next to the shutter 10 is a switch 11 through which the power supply of the electric motor 4 can be actuated.
  • the batteries 8 are arranged directly on or in the pump housing 6.
  • the impeller 3 is designed as an axial impeller.
  • a rod not shown In order to move the underwater cleaner 1 on the pool floor can be mounted on the device a rod not shown.
  • This rod is connected to a rod holder 12.
  • the rod receptacle 12 is located on the upper side of the housing 2 behind the batteries 8.
  • the rod receptacle 12 is rigidly connected to the housing 2.
  • the rod holder 12 can also be made pivotable relative to the housing 2.
  • the housing 2 has a first channel section 13 and a second channel section 14.
  • the second channel section 14 is the impeller 3 and the pump housing 6 with electric motor 4 and gear 5.
  • the second channel section 14 has the shape of a cylindrical tube, the first channel section 13 merges directly into the second channel section 14.
  • a dirt filter 15 is mounted on the pressure side.
  • the impeller 3 has two impeller blades, whereby leaves and other debris can be easily removed from the pool surface and transported into the dirt filter 15.
  • the inlet opening 23 is located on the surface to be cleaned facing bottom of the underwater cleaner 1.
  • the normal 24 is normal to the plane defined by the inlet opening 23 and is parallel to the fluid axis 16 of the first channel section thirteenth
  • the fluid axis 16 of the first channel section 13 and the impeller axis 18 include in the embodiment shown an angle ⁇ of 70 ° to 80 °.
  • the impeller axis 18 coincides in this embodiment with the fluid axis 17 of the second channel section 14.
  • a first cross-sectional area A which is defined by the smallest flow cross-section in the first channel section 13, is particularly emphasized, as is a second cross-sectional area B of the second channel section 14 in the area of entry into the impeller 3.
  • the ratio of the first cross-sectional area A to second cross-sectional area B is less than 0.5 in the illustrated embodiment.
  • the flow cross-section is greatly widened in order to be able to detect the largest possible area through the suction effect.
  • the cross sections along the fluid axis 16 of the first channel section 13 toward the impeller 3 are then progressively smaller down to the first cross-sectional area A, as in FIG Fig. 2 to recognize is.
  • a roller 19 is attached to the front of the housing 2.
  • a larger roller 20 is attached to the left and right of the fluid axis 16 of the first channel section 13.
  • the illustrated embodiment has at the inlet opening 23, a protective grid 25 to prevent Hineinten in the impeller 3. As a result, injuries can be avoided.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (8)

  1. Dispositif de nettoyage immergé (1) destiné en particulier à une piscine comportant un boîtier (2) dans lequel sont montées une pompe en particulier entraînée par une batterie équipée d'un moteur électrique (4) ainsi qu'une turbine (3), le boîtier (2) comportant une ouverture d'entrée (23) et une ouverture de sortie (22) d'un trajet d'écoulement qui forme un premier segment de canal (13) partant de l'ouverture d'entrée (23) et un second segment de canal (14) recevant la turbine (3), la turbine (3) étant réalisée sous la forme d'une turbine axiale, le second segment de canal (14) étant incliné par rapport au premier segment de canal (13), l'axe (18) de la turbine étant incliné par rapport à la normale (24) de la section d'ouverture de l'ouverture d'entrée (23), et le rapport A/B entre une première surface de section A et une seconde surface de section B étant inférieur à 2,8, la première surface de section A étant définie par la plus petite section d'écoulement dans le premier segment de canal (13) et la seconde surface de section (B) étant définie par la plus petite section d'écoulement du second segment de canal (14), immédiatement au niveau de l'entrée de la turbine, dans la zone de l'ouverture de sortie (22) étant positionné un logement de réception d'un filtre à poussière (15),
    caractérisé en ce que
    la turbine (3) est montée directement au début du second segment de canal (14) et le premier segment de canal (13) passe progressivement dans le second segment de canal (14), la zone du début du second segment de canal (14) se connectant directement sur la zone d'extrémité du premier segment de canal (13).
  2. Dispositif de nettoyage immergé (1) conforme à la revendication 1,
    caractérisé en ce que
    le rapport A/B entre la première surface de section A et la seconde surface de section B est inférieur à 2.
  3. Dispositif de nettoyage immergé (1) conforme à la revendication 1 ou 2,
    caractérisé en ce que
    le rapport A/B entre la première surface de section A et la seconde surface de section B est inférieur à 1.
  4. Dispositif de nettoyage immergé (1) conforme à l'une des revendications 1 à 3,
    caractérisé en ce que
    le second segment de canal (14) comporte l'ouverture de sortie (22).
  5. Dispositif de nettoyage immergé (1) conforme à l'une des revendications 1 à 4,
    caractérisé en ce que
    le second segment de canal (14) est formé par un tube cylindrique.
  6. Dispositif de nettoyage immergé (1) conforme à l'une des revendications 1 à 5,
    caractérisé en ce que
    l'axe d'écoulement médian (16) du premier segment de canal (13) définit, dans la zone de l'ouverture d'entrée (23), avec l'axe (18) de la turbine et/ou avec l'axe d'écoulement médian (17) du second segment de canal (14), un angle (α) compris entre 30° et 90°, de préférence entre 70° et 80°.
  7. Dispositif de nettoyage immergé (1) conforme à l'une des revendications 1 à 6,
    caractérisé en ce que
    le premier segment de canal (13) a essentiellement une section rectangulaire ou ovale, et, de préférence, cette section diminue entre la zone de début et la zone d'extrémité du premier segment de canal (13).
  8. Dispositif de nettoyage immergé (1) conforme à l'une des revendications 1 à 7,
    caractérisé en ce que
    le moteur électrique (4) agit sur la turbine (3) par l'intermédiaire d'une transmission (5) de sorte que le rapport entre la vitesse de rotation du moteur électrique (4) et la vitesse de rotation de la turbine (3) soit supérieur à 1.
EP16185089.6A 2015-09-10 2016-08-22 Dispositif de nettoyage submersible Active EP3141675B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50778/2015A AT517469B1 (de) 2015-09-10 2015-09-10 Unterwasserreiniger

Publications (2)

Publication Number Publication Date
EP3141675A1 EP3141675A1 (fr) 2017-03-15
EP3141675B1 true EP3141675B1 (fr) 2018-12-19

Family

ID=56740957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16185089.6A Active EP3141675B1 (fr) 2015-09-10 2016-08-22 Dispositif de nettoyage submersible

Country Status (4)

Country Link
US (1) US10184259B2 (fr)
EP (1) EP3141675B1 (fr)
CN (1) CN106639391B (fr)
AT (1) AT517469B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023108163A1 (de) 2022-04-05 2023-10-05 Andrés Fränkel Unterwasserreiniger
EP4553254A1 (fr) 2023-11-09 2025-05-14 Fränkel, Andrés Nettoyeur sous-marin

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10934732B2 (en) * 2018-08-07 2021-03-02 William L. Reacer Swimming pool cleaning head
CN109080790B (zh) * 2018-08-14 2020-02-07 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） 一种螺旋桨水下自动清洗设备及其清洗方法
CN111779327A (zh) * 2020-07-11 2020-10-16 宁波博尔富泳池设备有限公司 大容量泳池吸污机
AT524846B1 (de) * 2021-07-14 2022-10-15 Andres Fraenkel Handgeführten schwimmbadsauger
CN219638512U (zh) * 2023-03-22 2023-09-05 宁波市普世达泳池用品有限公司 一种水池吸污器
CN118498798B (zh) * 2024-06-13 2025-03-11 元鼎智能创新(国际)有限公司 一种泳池清洁设备的侧向移动方法及泳池清洁设备

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1920172A1 (de) * 1969-04-21 1970-10-22 Myers Robert Roy Maschine zum Reinigen von Schwimmbecken

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US6485638B2 (en) * 1999-11-15 2002-11-26 Melvyn L. Henkin Electric powered automatic swimming pool cleaning system
US6652742B2 (en) * 2000-11-14 2003-11-25 Melvyn L. Henkin Automatic pool cleaner system utilizing electric and suction power
US20050279682A1 (en) * 2001-11-30 2005-12-22 Davidson Donald R Debris bag for a swimming pool cleaning apparatus
CA2466242A1 (fr) * 2004-05-04 2005-11-04 Wayne Bishop Nettoyant sous-marin
US7520015B1 (en) * 2005-11-02 2009-04-21 Mike Ajello Portable submersible cleaning device
CN200999475Y (zh) * 2007-01-20 2008-01-02 黄俊峰 游泳池底自动清洁器
US8453284B2 (en) * 2007-02-06 2013-06-04 Zodiac Pool Care South Africa (Pty) Limited Swimming pool cleaner
FR2914868B1 (fr) * 2007-10-08 2010-09-24 Kokido Ltd Dispositif de nettoyage automatique d'une surface submergee dans un liquide
FR2929310B1 (fr) * 2008-03-27 2016-06-03 Zodiac Pool Care Europe Appareil nettoyeur de surface immergee a protuberance acceleratrice du flux d'entree
US8990990B2 (en) * 2011-10-03 2015-03-31 Pentair Water Pool And Spa, Inc. Pool cleaner with hydraulic timer assembly
AT513827B1 (de) * 2013-04-23 2014-08-15 Andrés Fränkel Unterwasserreiniger
CN203347291U (zh) * 2013-07-23 2013-12-18 宁波东川游泳池设备有限公司 用于游泳池的自动清洁器
US10094130B2 (en) * 2013-11-08 2018-10-09 Water Technology, Llc Submersible electric-powered leaf vacuum cleaner
US10224839B2 (en) * 2015-02-12 2019-03-05 Dan Dietrich Power switch for motorized pool vacuum

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1920172A1 (de) * 1969-04-21 1970-10-22 Myers Robert Roy Maschine zum Reinigen von Schwimmbecken

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023108163A1 (de) 2022-04-05 2023-10-05 Andrés Fränkel Unterwasserreiniger
EP4553254A1 (fr) 2023-11-09 2025-05-14 Fränkel, Andrés Nettoyeur sous-marin

Also Published As

Publication number Publication date
CN106639391B (zh) 2019-06-28
CN106639391A (zh) 2017-05-10
US10184259B2 (en) 2019-01-22
EP3141675A1 (fr) 2017-03-15
AT517469B1 (de) 2017-02-15
AT517469A4 (de) 2017-02-15
US20170073989A1 (en) 2017-03-16

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