EP3940311A1 - Pompe à chaleur à eau chaude dotée d'une unité de pompe à chaleur - Google Patents

Pompe à chaleur à eau chaude dotée d'une unité de pompe à chaleur Download PDF

Info

Publication number
EP3940311A1
EP3940311A1 EP21178441.8A EP21178441A EP3940311A1 EP 3940311 A1 EP3940311 A1 EP 3940311A1 EP 21178441 A EP21178441 A EP 21178441A EP 3940311 A1 EP3940311 A1 EP 3940311A1
Authority
EP
European Patent Office
Prior art keywords
heat pump
hot water
volute
cover
pump unit
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.)
Pending
Application number
EP21178441.8A
Other languages
German (de)
English (en)
Inventor
Daniel Covita
Hugo Matos
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.)
Bosch Termotechnologia SA
Original Assignee
Bosch Termotechnologia SA
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 Bosch Termotechnologia SA filed Critical Bosch Termotechnologia SA
Publication of EP3940311A1 publication Critical patent/EP3940311A1/fr
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • F24H4/04—Storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters

Definitions

  • the present invention relates to a hot water heat pump with a heat pump unit and a hot water storage unit, the hot water storage unit having a hot water storage tank in which water heated by the heat pump unit is stored, and the heat pump unit being assigned a cover and a partition which enclose the heat pump unit in an airtight manner. wherein the partition wall separates the heat pump unit from the hot water storage unit, and wherein the heat pump unit has a volute disposed within the cover for housing an air blower.
  • the heat pump unit has a volute housing arranged inside a cover on the partition wall for accommodating an air blower, on which an evaporator is arranged.
  • a web-like projection is formed on the spiral housing or is formed integrally with it.
  • the evaporator is mounted between this web-like projection and the partition.
  • the evaporator is supported on the web-like projection of the volute, so that a predetermined alignment position of the volute is determined by this during assembly.
  • the present invention relates to a hot water heat pump having a heat pump unit and a hot water storage unit, wherein the hot water storage unit has a hot water tank in which water heated by the heat pump unit is stored.
  • the hot water storage unit has a hot water tank in which water heated by the heat pump unit is stored.
  • Associated with the heat pump unit is a cover and a partition enclosing the heat pump unit in an airtight manner, the partition separating the heat pump unit from the hot water storage unit, and the heat pump unit having a volute housing disposed within the cover for accommodating an air blower.
  • the volute and bulkhead are configured to allow assembly of the volute within the cover in at least first and second orientation positions.
  • the present invention thus makes it possible to provide a hot water heat pump with a heat pump unit in which four different installation variants for associated air inlet/air outlet line arrangements can be implemented by installing the spiral housing in the first or second alignment position.
  • the hot water heat pump is installed or set up accordingly, the most favorable installation variant can be selected in relation to the routing and laying of associated air inlet and air outlet lines, with an at least largely minimized pressure loss of the air inlet and air outlet lines being guaranteed regardless of the selected installation variant can be.
  • Due to the at least extensive minimization of the pressure loss a reduction in the rotational frequency of the air fan accommodated in the volute housing, which is required during operation of the heat pump unit, can advantageously be made possible.
  • associated power consumption and corresponding noise generation of the air blower can be reduced.
  • the volute has an air outlet opening, which in the first orientation position of the volute allows an air flow in a first direction of flow, and in the second orientation position of the volute allows an air flow in a second direction of flow, the first and second directions of flow being at a predetermined angle to one another are arranged, preferably at a 90 ° angle.
  • an error prevention system is provided, specifically a poka-yoke system, configured to prevent incorrect assembly of the volute on the bulkhead within the shroud.
  • the error prevention system preferably has at least one pin and at least one associated receptacle for receiving the at least one pin.
  • a simple and uncomplicated error prevention system can thus be provided.
  • the failure prevention system includes first and second spigots, and a first socket for receiving the first spigot when the volute is in the first alignment position, and/or second and third sockets for receiving the first and second spigots in one Orientation of the volute in the second orientation position.
  • a stable and robust error prevention system can thus be provided, in which the corresponding error prevention components, ie the pins and receptacles, are advantageously designed to form form-fitting connections and can be designed in particular in the manner of fitted or molded pieces that connect the spiral housing to the partition associate.
  • the corresponding error prevention components ie the pins and receptacles
  • the cover and the partition wall form a mounting frame in which an evaporator is arranged in an airtight manner.
  • the cover preferably forms a retaining web which is assigned to the mounting frame and is connected to the evaporator in an airtight manner.
  • the holding web formed on the cover can thus safely and reliably assume the function of the web-like projection, which is usually formed on the spiral housing in the prior art, for supporting the evaporator.
  • the volute housing preferably bears against the mounting frame at least in certain areas.
  • a compact design of the heat pump unit can thereby be made possible.
  • the evaporator is arranged at least in some areas on a conical air inlet area of the spiral housing.
  • a comparatively high degree of efficiency of the evaporator can thus be achieved in a simple manner.
  • the present invention relates to a heat pump unit for a hot water heat pump according to the invention, with a cover and a partition wall which enclose the heat pump unit in an airtight manner, with a volute housing arranged inside the cover being provided for accommodating an air fan.
  • An error prevention system is provided, specifically a poka-yoke system, designed to prevent incorrect assembly of the volute on the bulkhead within the shroud.
  • the present invention thus also makes it possible to provide a heat pump unit for a hot water heat pump in which four different assembly variants for associated air inlet/air outlet line arrangements can be realized by assembling an associated spiral housing in a first or second alignment position.
  • a respective most favorable assembly variant can be selected in terms of guiding and laying associated air inlet and air outlet lines, with correct and precise assembly of the spiral housing on the partition wall within the cover through the Error prevention system can be ensured.
  • an at least largely minimized pressure loss of the air inlet and air outlet lines can be guaranteed, regardless of the selected installation variant.
  • the hot water storage unit 120 illustratively has a hot water storage tank 125 in which water heated by the heat pump unit 110 is stored.
  • the hot water storage unit 120 is preferably separated from the heat pump unit 110 by a partition wall 115 .
  • the partition wall 115 can form a top wall of the hot water storage unit 120 or a bottom wall of the heat pump unit 110. If the partition wall 115 forms a bottom wall of the heat pump unit 110, the hot water storage unit 120 can be provided with an additional top wall that isolates the hot water storage unit 120 from the heat pump unit 110.
  • the heat pump unit 110 is preferably provided with a cover 112 .
  • the cover 112 is formed, for example, in the manner of a lid in the form of a trough-shaped element.
  • the partition wall 115 closes the cover 112.
  • the partition wall 115 preferably closes the cover 112 in such a way that the cover 112 with the partition wall 115 encloses the heat pump unit 110 in an airtight manner.
  • the cover 112 and the partition wall 115 illustratively form a cylindrical housing.
  • An air inlet element 117 and an air outlet element 119 are illustratively arranged on the cover 112 .
  • the air inlet element 117 serves to allow an air flow 132 to enter the heat pump unit 110, while the air outlet element 119 serves to allow an air flow 134 to exit from the heat pump unit 110 to allow.
  • the air inlet element 117 illustratively forms an air inlet line, which can also be referred to as an air intake line, while the air outlet element 119 forms an air outlet line, which can also be referred to as an air exhaust line.
  • the air inlet line 117 and the air outlet line 119 form a first exemplary air inlet/air outlet line arrangement, in which both lines 117, 119, starting from the cover 112, are initially aligned at least substantially parallel to one another and to a longitudinal extension of the hot water heat pump 100.
  • FIG 2 shows a section of the hot water heat pump 100 from 1 with the heat pump unit 110 arranged on the hot water storage unit 120.
  • the heat pump unit 110 has the cover 112 connected to the partition wall 115 in an airtight manner.
  • the heat pump unit 110 includes a volute 220 disposed within the cover 112 for accommodating an air blower.
  • a suitable air blower, as well as an arrangement and assembly of the air blower in the volute 220, are well known to those skilled in the art, so that a detailed description thereof is omitted for the sake of simplicity and conciseness.
  • the spiral housing 220 illustratively has a spiral-shaped air duct 222 which is connected to an air inlet area 224 via an air inlet opening 226 .
  • the air inlet area 224 is illustratively cone-shaped, but as an alternative to this it can also have any other suitable shape.
  • An evaporator 210 is arranged on the conical air inlet area 224 of the spiral housing 220, preferably at least in areas. According to one embodiment, the evaporator 210 is arranged in an airtight manner in a mounting frame 240 which is preferably formed by the cover 112 and the partition wall 115 .
  • the cover 112 preferably forms a retaining web 242 which is assigned to the mounting frame 240 and is connected to the evaporator 210 in an airtight manner.
  • the holding web 242 of the cover 112 advantageously takes over here the function of the web-like projection usually provided in the prior art and formed on the volute housing 220 .
  • the volute housing 220 preferably also bears against the mounting frame 240 at least in certain areas. An undesired escape of air in the area between the evaporator 210 or the mounting frame 240 and corresponding edge zones of the spiral housing 220 can thus advantageously be effectively prevented.
  • the air flow 132 occurs 1 for example via the air inlet line 117 of FIG 1 into the heat pump unit 110 in order to be sucked into the spiral housing 220 by the air fan arranged in the spiral housing 220 , as illustrated by an arrow 230 .
  • the sucked-in air flow 132, 230 is then guided through the spiral-shaped air duct 222, in order then, as indicated by the arrow 134 of FIG 1 shown exiting the heat pump unit 110, particularly via the air outlet duct 119 of FIG 1 .
  • volute 220 and bulkhead 115 are configured to allow assembly of volute 220 within cover 112 in at least first and second orientation positions, as described below with respect to FIG 3 and 4 described.
  • first and second orientation positions as described below with respect to FIG 3 and 4 described.
  • different air inlet and air outlet openings can be provided on the cover 112, which are sealed airtight, for example, and only when necessary when assembling or installing the hot water -Heat pump 100 can be opened, or alternatively can be hermetically sealed if they are not required to implement the selected air inlet / air outlet line arrangement.
  • corresponding openings can also be milled out, for example, if required.
  • the heat pump unit 110 includes, as in 2 described, the evaporator 210 and the spiral housing 220 with the spiral air duct 222, which are arranged on the partition wall 115.
  • an error prevention system 350 is provided, in particular a poka-yoke system, which is configured to prevent incorrect assembly of the volute 220 on the bulkhead 115 within the cover 112 of FIG 1 and 2 to prevent.
  • the error avoidance system 350 preferably has at least one pin and at least one associated receptacle for receiving the at least one pin.
  • the error prevention system 350 includes first and second spigots 352, 354 and first and second sockets (562, 564 in figure 5 ) for receiving the first and second trunnions 352, 354 upon alignment of the volute 220 in a predetermined alignment position (410 in 4 and figure 5 ).
  • a predetermined alignment position 410 in 4 and figure 5
  • the alignment position 310 shown is illustratively only a single receptacle 364 for receiving the pin 354 in the partition wall 115 is provided.
  • the pins 353, 354 of the error prevention system 350 are illustratively formed on the spiral housing 220, preferably formed onto it or integrated into it.
  • the recording 364 (or 562, 564 in figure 5 ) is preferably formed in the partition wall 115.
  • the longitudinal side of the spiral housing 220 arranged in the partition wall 115 has larger dimensions than a corresponding high side of the spiral housing 220, on which the pins 353, 354 are arranged, so that these pins 352, 354 in an arrangement of the spiral housing 220 with the high side on the partition wall 115, ie in an in 4 shown alignment position 410, to avoid errors apply, as in figure 5 described.
  • FIG. 12 shows the hot water heat pump 100 with the heat pump unit 110 and the hot water storage unit 120 in FIG 3 , Wherein the volute 220 of the heat pump unit 110, however, in contrast to 3 is rotated through an angle 420 of illustratively 90°.
  • the air outlet opening 320 of the spiral housing 220 which is shown in FIG 3 shown orientation position 310 of the volute 220 allows the air flow in the direction of flow 312, in an in 4 shown alignment position 410 of the spiral housing 220 aligned such that an air flow in a flow direction 412 through the air outlet opening 320 is made possible.
  • the flow directions 312, 412 are arranged at the predetermined angle 420 to one another, ie preferably at a 90° angle.
  • the evaporator 210 is aligned identically in both mounting variants of the spiral housing 220 . In other words, only the volute housing 220 is rotated through the specified angle 420, but not the evaporator 210.
  • figure 5 shows the heat pump unit 110 with the volute 220 positioned according to the alignment position 410 of FIG 4 is arranged on the partition wall 115.
  • figure 5 11 illustrates the functionality of the error prevention system 350, whose pins 353, 354 formed on the spiral housing 220 engage in receptacles 562, 564, which are formed in the partition wall 115.
  • the pins 352, 354 and receptacles 562, 564 are preferably designed to form positive-locking connections.
  • the pegs 352, 354 and receptacles 562, 564 are illustrated as conical, since such a configuration simplifies a corresponding assembly and in particular an introduction of the pegs 352, 354 into the receptacles 562, 564.
  • others are too Design variants of the pins 352, 354 and receptacles 562, 564 are possible, which allow positive connections, e.g. polygonal shapes, etc.
  • the pins 352, 354 and receptacles 562, 564 are designed in the manner of fitted or shaped pieces. These allow a precise connection of the volute casing 220 with the partition wall 115.
  • FIG. 6 shows the volute 220 of FIG Figures 2 to 5 to illustrate the illustratively conical air inlet area 224, as well as the air outlet opening 320 and the spiral air duct 222 formed between these two.
  • the conical air inlet area 224 is designed to allow air to enter in the direction of arrow 230 through the air inlet opening 226 into the air duct 222.
  • a corresponding intake of an air flow directed in the direction of arrow 230 takes place, as in FIG 2 described, with a suitable air fan that moves the air flow through the air duct 222 to the air outlet opening 320 and this out of the air outlet opening 320, as indicated by the arrow 312, ejects.
  • the in 3 designated as the high side of the spiral housing 220, on which the pins 352, 354 are arranged is shorter than an in 7 lower long side of the volute casing 220.
  • This long side is, as in 3 shown disposed on or in bulkhead 115 when assembled in alignment position 310, while when assembled according to alignment position 410 of FIG 4 the high side provided with the pins 352, 354 is arranged on or in the partition wall 115.
  • FIG 8 shows the volute 220 of FIG Figures 2 to 7 to illustrate the spiral-shaped air duct 222. As described above, this is arranged between the air inlet opening 226 and the air outlet opening 320.
  • FIG 9 shows the hot water heat pump 100 of FIG 1 with the heat pump unit 110 and the hot water storage unit 120, showing four different mounting variants for associated air inlet/air outlet duct arrangements identified by the letters (A), (B), (C), (D).
  • the spiral housing 220 of the heat pump unit 110 is in the alignment position 310 according to FIG 3 on the Partition wall 115 arranged.
  • An arrangement of the volute in the alignment position 410 according to FIG 4 allows the respective air inlet/air outlet ducts 117, 119 to be arranged at right angles to each other.
  • the air inlet line 117 extends illustratively along the longitudinal extent of the hot water heat pump 100, as shown in the assembly variant (D), while the air outlet line 119 extends perpendicularly thereto.
  • both lines, ie the air inlet line 117 and the air outlet line 119 each extend perpendicularly to the longitudinal extent of the hot water heat pump 100.
  • volute casing 220 and the partition wall 115 in the individual assembly variants are shown both in the heat pump unit 110 and indicated within cover 112, as well as separately therefrom.
  • the partition 115 and the volute 220 each have an identical maximum height, while the contact area between the volute 220 and the partition 115 is larger in the case of assembly variants (A) and (C), compared to the mounting variants (B), (D).

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP21178441.8A 2020-07-13 2021-06-09 Pompe à chaleur à eau chaude dotée d'une unité de pompe à chaleur Pending EP3940311A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT2020116573 2020-07-13

Publications (1)

Publication Number Publication Date
EP3940311A1 true EP3940311A1 (fr) 2022-01-19

Family

ID=76355348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21178441.8A Pending EP3940311A1 (fr) 2020-07-13 2021-06-09 Pompe à chaleur à eau chaude dotée d'une unité de pompe à chaleur

Country Status (1)

Country Link
EP (1) EP3940311A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29602260U1 (de) * 1996-02-09 1996-03-28 Stiebel Eltron Gmbh & Co Kg Brauchwasserwärmepumpe
DE10065216A1 (de) * 2000-12-23 2002-07-18 Stiebel Eltron Gmbh & Co Kg Regeleinrichtung eines zentralen Lüftungsgeräts und Wasserspeicher, insbesondere Brauchwasserspeicher
DE202016003295U1 (de) * 2016-05-30 2016-06-22 Kermi Gmbh Gehäuse für den Luftraum einer in einem lnnenraum aufgestellten Wärmepumpe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29602260U1 (de) * 1996-02-09 1996-03-28 Stiebel Eltron Gmbh & Co Kg Brauchwasserwärmepumpe
DE10065216A1 (de) * 2000-12-23 2002-07-18 Stiebel Eltron Gmbh & Co Kg Regeleinrichtung eines zentralen Lüftungsgeräts und Wasserspeicher, insbesondere Brauchwasserspeicher
DE202016003295U1 (de) * 2016-05-30 2016-06-22 Kermi Gmbh Gehäuse für den Luftraum einer in einem lnnenraum aufgestellten Wärmepumpe

Similar Documents

Publication Publication Date Title
DE102018205919B4 (de) Elektrische Verbindungsbox und Kabelbaum
DE102005016614B4 (de) Elektrisches Verbindungsgehäuse
DE102014215077B4 (de) Ladesteckdose und modulares Ladesteckdosensystem
EP3101350B1 (fr) Unite de ventilateur pour hotte aspirante et hotte aspirante
DE102015118418A1 (de) Gas-flüssigkeits-abscheider für eine brennstoffzelle
DE102006020474B4 (de) Lüftergehäuse und Kabelanordnungsmechanismus dafür
DE102007055300B4 (de) Stecker
EP3940311A1 (fr) Pompe à chaleur à eau chaude dotée d'une unité de pompe à chaleur
EP0079036A2 (fr) Couvercle rabattable pour boîtes pour appareils électriques
EP3059505B1 (fr) Caisson de ventilateur pour hotte aspirante et hotte aspirante
DE102017110740A1 (de) Aufnahmeanordnung zur Aufnahme eines Lüfters an einem Lichtmodul eines Scheinwerfers für ein Fahrzeug
DE10024029B4 (de) Elektrische Steckverbindung
DE3615476A1 (de) Uebergangsstueck fuer eine lueftungskanalinstallation
DE102012016157A1 (de) Türspiegel
DE4306806B4 (de) In einer Platte befestigbarer elektrischer Verbinder
DE102004025188B4 (de) Anschlussdose
WO2004057238A1 (fr) Boitier pour une hotte aspirante comportant un caisson de ventilateur aspirant
DE102021133114A1 (de) Schraubenspindelpumpe
DE202017106818U1 (de) Anordnung für eine Kabeldurchführung
DE102014118630B4 (de) Halteelement mit Verdeckblende zum Aufnehmen einer Kamera, Vorrichtung, Seitenspiegel und Kraftfahrzeug
DE102023001523B3 (de) Gehäuse für ein elektrisches Gerät
DE3927274C2 (fr)
EP1423032B1 (fr) Appareil de cuisine
DE102020125284A1 (de) Montageeinheit zur Montage in eine Öffnung einer Wandung
DE8610579U1 (de) Vorrichtung zum Trocknen von Händen oder Haaren

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220719

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20230206

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20240208

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3