EP3011187A1 - Dispositif de chauffage de pompe, et pompe - Google Patents

Dispositif de chauffage de pompe, et pompe

Info

Publication number
EP3011187A1
EP3011187A1 EP14727560.6A EP14727560A EP3011187A1 EP 3011187 A1 EP3011187 A1 EP 3011187A1 EP 14727560 A EP14727560 A EP 14727560A EP 3011187 A1 EP3011187 A1 EP 3011187A1
Authority
EP
European Patent Office
Prior art keywords
pump
heating device
pump chamber
impeller
carrier
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.)
Granted
Application number
EP14727560.6A
Other languages
German (de)
English (en)
Other versions
EP3011187B1 (fr
Inventor
Stefanie Roth
Uwe Kögel
Tobias Albert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Priority to PL14727560T priority Critical patent/PL3011187T3/pl
Publication of EP3011187A1 publication Critical patent/EP3011187A1/fr
Application granted granted Critical
Publication of EP3011187B1 publication Critical patent/EP3011187B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4285—Water-heater arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/04—Heating arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine

Definitions

  • the invention relates to a heating device for a pump, preferably an impeller pump or radial pump, and a pump provided therewith.
  • the invention is based on the object of providing a heating device for a pump as well as a pump provided with it, with which problems of the state of the art can be avoided and it is possible, in particular, to use a heating device that is suitable for use and with the highest possible heat output make it possible to heat water when pumping or conveying as well as possible.
  • This object is achieved by a heating device having the features of claim 1 and a pump provided with the features of claim 10.
  • Advantageous and preferred embodiments of the invention are the subject of further claims and are explained in more detail below. Some of the features are explained only for the heater or only for the pump. However, they should be able to apply independently for both the heating device and the pump. The wording of the claims is incorporated herein by express reference.
  • the heating device is arranged in a pump with pump housing and pump chamber therein in or on this pump chamber or preferably serves as a boundary of the pump chamber in the radial direction.
  • the heating equipment tion a circumferential outer wall of the pump chamber of the pump.
  • the heating device has a carrier as a kind of tube with a round cross-section around a longitudinal axis of the heating device around.
  • the carrier protrudes at at least one end with a projection region over a plane perpendicular to the longitudinal axis or the carrier is longer at this peripheral region than at another.
  • the carrier is thus longer than usual, so to speak.
  • the carrier has a shorter area or shelter area with which it runs along this plane or even below this plane.
  • the shelter area can define the actual length of the carrier along the longitudinal axis, especially if the shelter area is longer or larger.
  • the carrier projects with an area or a distance, so to speak, and is therefore longer here.
  • the heater may be longer in some areas where they do not necessarily have to have a single and uniform length.
  • it can be better fitted in a pump housing or in a pump chamber.
  • thereby a kind of enlargement of the surface of the heater and thus also the heating power can be achieved. This will be explained in more detail below.
  • the carrier may have different heights or different lengths in the axial direction of said longitudinal axis. It can be provided that it has exactly one supernatant region and at least one shelter area, preferably also exactly one shelter area. Essentially, it depends on the fact that the carrier or the heating device is just longer in one area, namely the supernatant area, and protrudes from the other shape. In an advantageous embodiment of the invention can be provided that the other end of the carrier is cut straight.
  • such a section is parallel to the said plane perpendicular to the longitudinal axis or perpendicular itself, because it is relatively easy to perform on the one hand.
  • an adaptation of the carrier or the heating device to a flat side of the pump chamber can take place. A truncation of the heater or the carrier can advantageously be done with laser.
  • the protrusion region can be formed so that the carrier is simply cut off at one end at an angle. This results in a cutting plane at an angle of 5 ° to 45 ° can stand to the longitudinal axis. Preferably, it can be at an angle of 15 ° to 30 ° to the longitudinal axis.
  • the oblique cut on the support is formed so that forms a continuously rising and then again continuously sloping protrusion region.
  • the supernatant region may be formed as a protruding region such that it rises sharply rising from a rather straight cut off carrier, forms a tip or a maximum projection and then drops again.
  • An increase and decrease in the supernatant region can generally be symmetrical or unbalanced.
  • the supernatant region may increase slowly and then fall sharply and significantly steeper after a maximum supernatant.
  • an end edge or cut edge of the carrier can run continuously at the end with the protrusion region.
  • neither heels nor angles are provided, whereby both a production of the heater and a fitting in a pump chamber is easier.
  • the pitch of the projection region can be formed at least partially varying.
  • the end edge of the carrier here can just run in a plane.
  • the carrier may have a tube as a basic shape.
  • This is advantageously a cylindrical tube. It should have approximately constant wall thickness.
  • Particularly preferred is a cylindrical tube with a circular cross-section.
  • Such a tube is easy to manufacture and moreover has very good properties for use in an impeller pump or radial pump as outer pump chamber wall. It may consist of stainless steel for corrosion resistance, as it is basically known for this purpose.
  • the heating means or heating elements are arranged for this purpose on an outer side of the carrier or the heating device.
  • the heating means are distributed over a surface or cover not only itself directly an area with a certain Schuffenbach. Rather, they can, of course, with a certain distance to each other, cover a certain or larger area and thus also produce an approximately evenly distributed area performance.
  • a substantial part, preferably at least 50%, or the largest part of the surface of the carrier is heated.
  • the heating means themselves or the heating device have the same or a substantially constant area performance. This can be achieved that the essential surface of the heater or the carrier undergoes uniform heating and so even heat transfer takes place evenly in the funded and heated liquid. In order to achieve this, an additional or extended heating means can be provided in the projection region, which would otherwise not be present. Thus, the overall performance of the heater may increase as the area of the carrier increases through the overhang area. In another basic embodiment of the invention, the heating means or the heating device may have an unequal or a different area performance in the projection region. On the one hand, this can be achieved by providing no heating means or only a very small amount of heating means in the projection region.
  • the heat transfer surface can be increased to the pumped liquid out, which is usually accompanied by an additional heating.
  • a surface output can also be provided in the supernatant region by a heating means, which adds up to the previous area performance of the carrier. This can be exploited that near the supernatant region a particularly good heat dissipation by the pumped liquid takes place, for example because it flows very fast or very good along.
  • the pump according to the invention in particular as an impeller pump or radial pump, has at least one inlet into the pump chamber on the pump housing or on the pump chamber and at least one outlet out of the pump chamber.
  • the inlet leads along the longitudinal central axis of the pump or concentric with an impeller axis into the pump chamber and toward the impeller.
  • the pump chamber can extend around it, essentially in an annular manner. A substantial area of the outer wall of the pump chamber is then formed by the aforesaid heating device, as it were a kind of shell wall of the pump chamber.
  • An outlet from the pump chamber may be provided at an end of the pump chamber remote from the impeller.
  • the outlet goes from the end of the pump chamber with a width that starts from the width of the pump chamber and then increases.
  • the pump chamber rises in the region shortly before the outlet, for example along a half or a third revolution, at an angle between 5 ° and 30 ° to the plane perpendicular to the longitudinal central axis of the pump and can then open into the outlet.
  • the supernatant region of the heater may be arranged so that it can use the existing at this point greater height of the pump chamber, which appears as a kind of supernatant, and run it. As previously mentioned, this generally makes use of an additional possibility of an enlarged heater with more area. Furthermore, good heat dissipation is possible here due to the good flow along the conveyed water.
  • the other end of the heater which is advantageously cut approximately straight, may be arranged at the other axial end portion of the pump chamber, in particular close to the impeller or these and the inlet radially surrounding approximately. This takes into account that the impeller usually rotates on a boundary of the pump chamber running essentially in one plane or at least rotationally symmetrical, which just favors a straight-cut end of the heating device.
  • FIG. 1 shows a section through a pump according to the invention with an inventive
  • FIGS. 2 to 5 different oblique views of heating devices according to the invention with oblique projection regions and different arrangements of heating conductors thereon, FIG.
  • FIG. 6 is a modified pump according to the invention with a heating device according to the invention in side view, 7, the pump of FIG. 6 is rotated by 90 ° about its longitudinal axis, FIG.
  • FIG. 10 shows a sectional view through the pump in the position according to FIG. 6,
  • FIG. 1 shows the sectional view of the pump according to FIG. 10 with the cutting plane displaced into the plane of the drawing and the sectional view of the pump according to FIG. 10 with the plane displaced out of the plane of the drawing cutting plane.
  • FIG. 1 shows a section through a pump 11 according to the invention with a pump housing 12, which is designed as an impeller pump or radial pump. It can be used advantageously in a dishwasher or in a washing machine.
  • the pump housing 12 has an inlet 13 and an outlet 14 together with outlet 15 from an annular pump chamber 16 out. Close to a pump chamber bottom 17, a rather impeller 18 is arranged as an impeller, which is driven by a pump motor 20 not described in more detail.
  • a pump is known from DE 10201 1003467 A1.
  • the pump chamber 16 is bounded by a heater 22 according to the invention which simultaneously forms an aforementioned radial outer pump chamber wall.
  • the heater 22 consists of a metallic tubular support 24 and arranged on its outside heating elements 26. Its possible embodiments are explained in more detail below.
  • the heater 22 is seated together with U-like cross-sealing ring 23a and round sealing ring 23b sealed in the pump housing 12th
  • the heater 22 is on the one hand round or circular, advantageously cut to length by a pipe. Furthermore, it or the carrier 24 in FIG. 1 at the bottom an aforementioned projection region 28, with which it projects beyond a plane which is perpendicular to the dashed longitudinal axis L of the heater 22 and the pump 1 1 and through the upper End in Fig. 1 left top of the heater 22 extends.
  • the heating device can 22 as shown in FIGS. 2, 4 and 5 are cut off obliquely. According to FIG.
  • FIG. 1 also clearly shows the advantage of the protrusion region according to the invention, namely that the heating device 22 and heating elements 26 and thus a heating power can thus be provided in the region of the pump chamber 16, which is partially increased in the circumferential direction in the outlet 14 and then the outlet 15 pass.
  • the total provided in the pump 1 1 heated area can be increased and, for example, as will be explained below, the total intended heating capacity can be increased, so that under certain circumstances, an area performance on the heater 22 and the support 24 in about stays the same.
  • FIG. 2 With the aid of a removed heating device 22, it is shown how heating elements 26a to 26d circulating there are arranged.
  • the three lower heating elements 26a to 26c extend starting from a contact 27a parallel to each other and also parallel to the lower, so to speak straight end edge of the heater 22.
  • the uppermost heating element 26d extends slightly upwards in the area created by the protrusion region 28 and thus has significantly greater distance to the nearest heating element 26c.
  • the liquid flowing along it also heats up in this intermediate region. Essentially, however, this is a variant of a heating device which has approximately the same total heating power when the surface area is increased.
  • FIG. 2 shows how heating elements 26a to 26d circulating there are arranged.
  • the three lower heating elements 26a to 26c extend starting from a contact 27a parallel to each other and also parallel to the lower, so to speak straight end edge of the heater 22.
  • the uppermost heating element 26d extends slightly upwards in the area created by the protrusion region 28 and thus has significantly greater distance to the
  • heating elements 126a to 126e in turn depart from contacts 127a and 127b and extend approximately in the direction of rotation of the heating device 122 or of the corresponding carrier tube 124.
  • the heating elements 126a to 126e have as far as possible equal distances to one another, so that only the lowermost heating element 126a runs parallel to the lower straight end edge of the heating device 122.
  • the next heating element 126b has already been pulled slightly upwards and thus no longer runs parallel to it.
  • due to the oblique courses of the heating elements 126 their lengths are slightly different.
  • each of the heating elements generates as much heat as possible.
  • the heating elements 126 have an increasing length up to the uppermost heating element 126e, a total heating power may also remain the same despite the added projection region 128.
  • FIG. 5 shows a further modification of a heating device 222 according to the invention.
  • a tubular support 224 runs on a tubular support 224 a plurality of heating elements 226a to 226d. While the three lower heating elements 226a to 226c are similar in shape and parallel to each other and parallel to the lower end edge of the carrier 224, an upper heating element 226d is formed differently.
  • the heating element 226d heats an even larger area by its corrugated shape.
  • the heating device 222 Due to its length, in turn, a cross section, in particular a width, of the heating element 226d can be reduced in comparison to the other heating elements 226a to 226c, so that overall it also has a significantly higher heating power.
  • the heating device 222 according to FIG. 5 is an example of how an overall significantly increased overall heating power can be achieved by the increased area of the heating device or of the carrier. With a corresponding configuration of the uppermost heating element 226d, the area output of the heating device 222 can also roughly correspond to that of a heating device with four heating elements corresponding to the heating elements 226a to 226c which has just been cut off at the top.
  • a further pump 31 1 is shown schematically with a different pump principle, as it is known from the German patent application DE 10201321 1 180.0 with filing date of June 14, 2013 the same applicant.
  • a pump housing 312 has an inlet 313 in a pump chamber 316, which can not be seen here, wherein a likewise not shown placed impeller is located just below the inlet 313, so far left. Although this corresponds to some extent still the pump 1 1 of FIG. 1st However, in the case of the pump 31 1 of FIG.
  • the pump chamber 316 and a heating device 322 surrounding the pump chamber are designed such that they extend from the impeller in the other direction, ie to the right, in particular in the direction of a pump motor 320 or below In some circumstances, it can even outrank it a bit.
  • a protrusion region 328 of the heater 322 now projects in a direction to the right away from the impeller and from the inlet 313.
  • FIG. 6 it can be seen in the upper right near the projection region 328 of the heating device, where an outlet 314 from the pump chamber 316 or the pump housing 312 is provided, which in the direction of rotation of the conveyed liquid into the drawing plane to the outlet port 315 shown below leads.
  • the heater 322 can not have a high altitude.
  • the clearly projected projection region 328 can very well be provided.
  • the heating device 322 can be designed as described above or corresponding to FIGS. 2, 4 and 5, that is to say on the outside, heating elements carry a different design and / or arrangement.
  • FIGS. 7 to 9 illustrates how the special shape of the outer wall of the pumping chamber 316 can be used with the obliquely cut heating device 322 or the correspondingly formed projection region 328, around the heating device, which forms a substantial part of this Pump chamber wall forms to form as large as possible.
  • FIG. 9 it can once again be seen specifically that in the region in which the outlet 314 or the outlet connection 315 separates from the pump chamber, a projection region can no longer be provided.
  • the shifted sectional planes of FIGS. 10 to 12 make the course or the shape of the heater 322 clear again. In particular, it becomes clear how the maximum possible space or the maximum possible area on the outer pump chamber wall is used for the heating device. It is assumed here that the pump chamber or the pump housing in the mold is essentially stamped by an optimized outlet 314 or outlet nozzle 315.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Resistance Heating (AREA)
  • External Artificial Organs (AREA)

Abstract

L'invention concerne un dispositif de chauffage d'une pompe centrifuge, laquelle possède un carter et, à l'intérieur de celui-ci, une chambre qui forme une partie essentielle ou une limite de la chambre de la pompe dans la direction radiale, le dispositif comportant un support rond tubulaire. Le support dépasse, au moins à une extrémité, d'un plan perpendiculaire à l'axe longitudinal par sa zone supérieure et il s'étend le long de ce plan ou en dessous de celui-ci par sa zone inférieure. Avantageusement, le dispositif de chauffage est coupé en biais à cette extrémité.
EP14727560.6A 2013-06-19 2014-06-03 Pompe avec dispositif de chauffage Active EP3011187B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14727560T PL3011187T3 (pl) 2013-06-19 2014-06-03 Pompa z urządzeniem grzewczym

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013211556.3A DE102013211556A1 (de) 2013-06-19 2013-06-19 Heizeinrichtung für eine Pumpe und Pumpe
PCT/EP2014/061486 WO2014202382A1 (fr) 2013-06-19 2014-06-03 Dispositif de chauffage de pompe, et pompe

Publications (2)

Publication Number Publication Date
EP3011187A1 true EP3011187A1 (fr) 2016-04-27
EP3011187B1 EP3011187B1 (fr) 2018-08-29

Family

ID=50877323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14727560.6A Active EP3011187B1 (fr) 2013-06-19 2014-06-03 Pompe avec dispositif de chauffage

Country Status (8)

Country Link
EP (1) EP3011187B1 (fr)
JP (1) JP6395819B2 (fr)
CN (1) CN105378292A (fr)
DE (1) DE102013211556A1 (fr)
ES (1) ES2697398T3 (fr)
PL (1) PL3011187T3 (fr)
TR (1) TR201815954T4 (fr)
WO (1) WO2014202382A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3573425A1 (fr) * 2018-05-25 2019-11-27 E.G.O. ELEKTRO-GERÄTEBAU GmbH Procédé de fabrication d'un dispositif de chauffage et dispositif de chauffage correspondant

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KR101893847B1 (ko) * 2016-11-11 2018-08-31 명화공업주식회사 워터펌프
CN108567390B (zh) * 2017-03-07 2021-07-06 三花亚威科电器设备（芜湖）有限公司 洗碗机的水泵和具有其的洗碗机
CN109595177A (zh) * 2017-09-30 2019-04-09 三花亚威科电器设备（芜湖）有限公司 泵
WO2019197479A1 (fr) * 2018-04-10 2019-10-17 BSH Hausgeräte GmbH Appareil domestique comprenant au moins un élément de chauffage destiné à un élément tubulaire traversé par un fluide
CN110107504B (zh) * 2019-05-20 2021-11-19 佛山市顺德区美的洗涤电器制造有限公司 加热泵和洗碗机
CN112900019A (zh) * 2019-12-04 2021-06-04 青岛海尔洗衣机有限公司 一种加热循环泵及洗衣机
CN112900020A (zh) * 2019-12-04 2021-06-04 青岛海尔洗衣机有限公司 一种加热循环泵及洗衣机
WO2021109897A1 (fr) * 2019-12-04 2021-06-10 青岛海尔洗衣机有限公司 Pompe de circulation de chauffage et machine à laver
CN114060287A (zh) * 2020-08-07 2022-02-18 广东汉宇汽车配件有限公司 一种动力电池热管理系统用电泵

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JP2587908Y2 (ja) * 1993-06-14 1998-12-24 東陶機器株式会社 凍結防止用ヒータ付ポンプ
DE102007017271A1 (de) * 2007-04-12 2008-10-16 BSH Bosch und Siemens Hausgeräte GmbH Pumpe mit Heizeinrichtung
DE102007060193A1 (de) * 2007-12-14 2009-06-25 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät
DE202008015058U1 (de) * 2008-11-13 2009-02-19 Eichenauer Heizelemente Gmbh & Co. Kg Beheizbares Pumpengehäuseteil
DE102010043727A1 (de) * 2010-11-10 2012-05-10 E.G.O. Elektro-Gerätebau GmbH Pumpe
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3573425A1 (fr) * 2018-05-25 2019-11-27 E.G.O. ELEKTRO-GERÄTEBAU GmbH Procédé de fabrication d'un dispositif de chauffage et dispositif de chauffage correspondant

Also Published As

Publication number Publication date
EP3011187B1 (fr) 2018-08-29
JP6395819B2 (ja) 2018-09-26
JP2016522354A (ja) 2016-07-28
CN105378292A (zh) 2016-03-02
ES2697398T3 (es) 2019-01-23
WO2014202382A1 (fr) 2014-12-24
TR201815954T4 (tr) 2018-11-21
PL3011187T3 (pl) 2019-02-28
DE102013211556A1 (de) 2014-12-24

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