EP2479509A2 - Verbesserungen bei der Wassererwärmung - Google Patents

Verbesserungen bei der Wassererwärmung Download PDF

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Publication number
EP2479509A2
EP2479509A2 EP12250011A EP12250011A EP2479509A2 EP 2479509 A2 EP2479509 A2 EP 2479509A2 EP 12250011 A EP12250011 A EP 12250011A EP 12250011 A EP12250011 A EP 12250011A EP 2479509 A2 EP2479509 A2 EP 2479509A2
Authority
EP
European Patent Office
Prior art keywords
heater
module
inlet
outlet
modules
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.)
Withdrawn
Application number
EP12250011A
Other languages
English (en)
French (fr)
Other versions
EP2479509A3 (de
Inventor
Keith Bayley
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.)
Applied Energy Products Ltd
Original Assignee
Applied Energy Products Ltd
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 Applied Energy Products Ltd filed Critical Applied Energy Products Ltd
Publication of EP2479509A2 publication Critical patent/EP2479509A2/de
Publication of EP2479509A3 publication Critical patent/EP2479509A3/de
Withdrawn legal-status Critical Current

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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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F24H1/142—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using electric energy supply
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • F24H1/102—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • F24H1/102—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance
    • F24H1/103—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance with bare resistances in direct contact with the fluid
    • 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
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1818—Arrangement or mounting of electric heating means

Definitions

  • the present invention elates to water heaters, in particular to electrical water heaters suitable for use in domestic environments.
  • Electric water heaters are used in numerous households and currently fall into two known categories, parallel and series heaters.
  • Parallel heaters generally comprise a manifold having a main flow inlet and main flow outlet, and a number of heater outlets and a number of heater inlets. Electrical heaters, each comprising an electrical element can be connected across an inlet/outlet pair so that in use water flows through the heater.
  • Series heaters generally comprise a moulded body having an upper and a lower body plate together defining a serpentine flow path from an inlet to an outlet. Heater elements are inserted into the serpentine pathway from the edge of the heater.
  • Parallel type heaters have the advantage that indivdual heater elements can easily be replaced if they fail by removing them from the manifold and inserting a new one, where as if series type heaters fail generally the whole heater is replaced.
  • Series type heaters are generally believed to provide a better heating solution but are limited in that they generally are made to a specific size and therefore are not simple to use when flexibility of manufacture is required, and that they are generally replaced if a single element fails.
  • an electric water heater comprising a linear array of heating modules each comprising an inlet, an outlet and a heater element, the inlets and outlets being arranged such that when places adjacent one another in said array the outlet of one module is aligned with the inlet of the adjacent module so that, in use, water flows through the modules in series.
  • the electric water heater may have an inlet module having a water inlet for connection to a source of piped water and an outlet for connection to a heating module.
  • the electric water heater may have an outlet module having a water outlet for connection to a source of piped water and an inlet for connection to a heating module.
  • the inlet module and or outlet module contain a heater element.
  • the electric water heater preferably comprises at least one heater module having a male connector at each of its inlet and outlet, and at least one heater module having a female connector at each of its inlet and outlet, said male and female connectors engaging with one another to form a watertight seal.
  • the heater modules may further comprise location means remote from said inlets and outlets to align said modules.
  • the heater modules comprise a substantially U shaped passageway.
  • the inlets and outlets are adjacent and opposite one another at one end of the heater modules.
  • Each heater module may comprise a two part moulding joined along a seam, each part of the moulding having one of the inlet and outlet therein, and a heating element enclosed therebetween such that electrical connectors of the heating element protrude from said module.
  • the heater elements are bare wire heaters.
  • the electric water heater may further comprise a clamping means that clamps adjacent heater modules together in the vicinity of the inlets and outlets.
  • the heater 10 has a plurality of heating modules 12, 14 aligned in a linear array.
  • An inlet module 16, having an inlet orifice 18 by which the heater can be attached to a source of water is attached to one end of the array of heating modules 12, 14 and an outlet module 20 , having a water outlet 22 for attachment to a downstream use of heated water is attached to the other end of the array of heating modules.
  • the heating modules 12 each have a male inlet 24 on one side and a male outlet 26 on the other side. When assembled these mate with female inlets 28 and female outlets (not shown) on heating module 14. Seals 38 are provided to ensure a water tight seal between the inlets and outlets. The inlet module and the outlet module are attached to the heating modules in the same manner.
  • the heating modules each comprise a substantially U shaped flow path 40 leading from the inlets 24, 28 to the outlets 26.
  • Each module comprises a two part moulding which comprises two module shell parts 30, 32 which are assembled together so as to enclose a bare wire heater element 34, which in this embodiment is in the form of a coiled wire heater, therebetween.
  • Connection terminals 36 for the bare wire heater element 34 extend from the top of the heater module when assembled.
  • the two module shells of the heater module may be connected together by any suitable means which may include ultrasonic welding and chemical bonding.
  • Mating male and female location pins orientate the heater modules 12, 14 and keep them aligned while they are connected together.
  • a clamping means for example in the form of a threaded rod, may pass through the body of the heating modules 12, 14, albeit preferably not through the flow paths therein, and tightened so as to compress the modules together in the region of the inlets/outlets between adjacent modules.
  • this clamping only occurs in the vicinity of the inlets and outlets and the distil end of the heating elements is not clamped. In this manner the heating elements may thermally expand and contract independently from one another along their longitudinal axis.
  • the invention provides a series water heater that can easily have a defective module removed and replaced. Furthermore, due to the modular nature of the design, and the avoidance of the need for modules, during manufacture any size or power water heater can be achieved by increasing or decreasing the number of standard heating modules therein.

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)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
EP12250011.9A 2011-01-22 2012-01-23 Verbesserungen bei der Wassererwärmung Withdrawn EP2479509A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1101163.2A GB2487431B (en) 2011-01-22 2011-01-22 Improvements in water heating

Publications (2)

Publication Number Publication Date
EP2479509A2 true EP2479509A2 (de) 2012-07-25
EP2479509A3 EP2479509A3 (de) 2014-04-16

Family

ID=43769500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12250011.9A Withdrawn EP2479509A3 (de) 2011-01-22 2012-01-23 Verbesserungen bei der Wassererwärmung

Country Status (2)

Country Link
EP (1) EP2479509A3 (de)
GB (1) GB2487431B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020030506A1 (de) * 2018-08-06 2020-02-13 Webasto SE Elektrisches heizgerät

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104566608B (zh) * 2013-10-15 2017-03-22 丹阳盛龙电热化工有限公司 电暖器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB462931A (en) * 1936-03-07 1937-03-18 William Charles Gee Improvements in or relating to geysers
DE1232720B (de) * 1960-08-22 1967-01-19 Licentia Gmbh Elektrisch beheizter Durchlauferhitzer
WO1983000915A1 (en) * 1981-09-10 1983-03-17 James, John, Frederick, Colston Water heating apparatus
ATE138729T1 (de) * 1992-03-18 1996-06-15 Kulmbacher Klimageraete Elektrischer durchlauferhitzer
DE4400720A1 (de) * 1994-01-13 1995-07-20 Forbach Gmbh Heizsystem stabbeheizter Rohr-Durchlauferhitzer für Dreh- und Wechselstrom-Anschluß
JPWO2004079275A1 (ja) * 2003-03-05 2006-06-08 松下電器産業株式会社 加熱装置およびそれを用いた衛生洗浄装置
TWM284174U (en) * 2005-09-09 2005-12-21 Vertex Prec Electronics Inc Heating module with a quartz tube
FR2892500B1 (fr) * 2005-10-26 2008-01-11 Toussaint Cumbo Chaudiere electrique a circulation d'eau
US20090067824A1 (en) * 2007-09-12 2009-03-12 Hua-Hsin Tsai Water heater Module
US8463117B2 (en) * 2008-06-24 2013-06-11 Advanced Materials Enterprises Company Limited Water heating apparatus
DE202009009340U1 (de) * 2009-07-07 2010-11-18 Rehau Ag + Co. Flüssigkeitserhitzer
ITTO20100351A1 (it) * 2010-04-27 2011-10-28 N&W Global Vending Spa Caldaia per il riscaldamento di un liquido

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020030506A1 (de) * 2018-08-06 2020-02-13 Webasto SE Elektrisches heizgerät

Also Published As

Publication number Publication date
GB2487431A (en) 2012-07-25
GB2487431B (en) 2016-07-13
EP2479509A3 (de) 2014-04-16
GB201101163D0 (en) 2011-03-09

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