EP2458298A2 - Chauffe-eau électrique - Google Patents

Chauffe-eau électrique Download PDF

Info

Publication number
EP2458298A2
EP2458298A2 EP11190034A EP11190034A EP2458298A2 EP 2458298 A2 EP2458298 A2 EP 2458298A2 EP 11190034 A EP11190034 A EP 11190034A EP 11190034 A EP11190034 A EP 11190034A EP 2458298 A2 EP2458298 A2 EP 2458298A2
Authority
EP
European Patent Office
Prior art keywords
inner container
heating tube
water heater
electric
electric heating
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Withdrawn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
EP11190034A
Other languages
German (de)
English (en)
Other versions
EP2458298A3 (fr
Inventor
Bernd Schröder
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2458298A2 publication Critical patent/EP2458298A2/fr
Publication of EP2458298A3 publication Critical patent/EP2458298A3/fr
Withdrawn legal-status Critical Current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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18—Water-storage heaters
    • F24H1/185—Water-storage heaters 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
    • F24H1/18—Water-storage heaters
    • F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
    • F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
    • F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
    • 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 relates to an electric water heater according to the preamble of patent claim 1.
  • Conventional electric water heaters usually consist of an inner container, a mounted outside of the inner container housing and located between the inner container and the housingisolier für.
  • the water heater is usually attached to a wall in the bathroom and has on its housing a holder assembly that can be connected to a wall-mounted plate.
  • an electric heating pipe is provided, which is normally mounted by means of flanges or screw heads on the inner container, wherein the tubular body protrudes into the inner container and comes directly into contact with the water in the inner container.
  • the tubular body of the heating tube is inevitably attacked by the (hard) water and thereby damaged.
  • a defective heating pipe can only be repaired or replaced if the inner tank is completely free of water.
  • Object of the present invention is to propose an electric water heater with an improved electric heating tube assembly, which is largely free of wear.
  • the electric heating module in particular heating tube, protected from direct contact with the water. Consequently, a possible water erosion can be avoided and at the same time a simple repair, installation and / or replacement of the electric heating tube or heating module is guaranteed.
  • the electric heating pipe can be protected from water erosion. If the electric heating tube is damaged, it must only be removed for replacement and repair without having to empty the inner container.
  • the first electrical heating tube assembly further comprises a mounting channel which is firmly connected to the inner container and protrudes into the inner container, wherein the first electrical heating module, in particular heating tube, is received in the installation channel. Consequently, the separation between water and heating module is guaranteed, since there is no direct contact.
  • the installation channel is firmly welded to the inner container. This simplifies the production and also manufacturing costs can be saved.
  • the installation channel for the introduction of the first electric heating tube or heating module is open at one end to be connected to the inner container and closed at the other opposite end.
  • a mounting opening for the heating module can be provided.
  • the electric water heater further comprises a second electric heating tube assembly, which is mounted in the inner container. This improves the heating performance, as quick hot water can be provided to a user.
  • the second electric heating tube assembly includes a flange fixed to the inner container and a second electric heating tube fixedly connected to the flange and protruding into the inner container. This also facilitates the assembly and disassembly of the heating modules.
  • the second electric heating tube assembly comprises a screw head fastened by screwing to the inner container and a second electric heating tube or heating module, which is fixedly attached to the screw head and projects into the inner container.
  • the second electrical heating tube assembly comprises a mounting channel which is fixed to the inner container and projects into the inner container, and a second electrical heating tube accommodated in the installation channel.
  • the second electric heating module or heating tube can be protected against water erosion.
  • first and second electric heating tube assemblies are mounted on a transverse side of the inner container and the first and second electric heating tube are located within the inner container in different height positions.
  • the present invention offers, among other things, the following advantages:
  • the inventive separation of the electric heating tube from the water, the electric heating tube can be protected against water erosion. If the electric heating tube is damaged, it must only be removed for replacement and repair without having to empty the inner container.
  • the fact that the mounting channel is welded in one piece with the inner container, can be reliably avoided over conventional detachable connections such as flange or screw any leaks and energy losses at the joints.
  • the electric water heater 100 includes an inner container 10 for storing heated water, a housing 20 surrounding the inner container 10, and a heat insulating layer (not designated) filled with a foam (eg, polyurethanes) between the inner container 10 and the housing 20.
  • the inner container 10 has a substantially cylindrical shape with a cylindrical wall (not designated) and is usually made of ferrous metal such as steel or iron.
  • an inlet port 31 for introducing cold water into the inner container and an outlet port 32 for draining hot water are formed.
  • the housing of the electric water heater 100 is usually an additional holder assembly (not shown) is provided, which together with a wall-mounted support member (not shown) serves to hang the electric water heater on the wall.
  • the electric water heater 100 for heating cold water comprises a first electric heating tube assembly 40.
  • This in turn comprises a fixedly connected to the inner container 10 mounting channel 41 and a built-in channel 41, the first electric heating tube 42 i. Heating module.
  • the installation channel 41 which is substantially tubular and can consist of the same material as the inner container 10, is open at one end and closed at the other, opposite end.
  • the entire extension of the installation channel 41 is inside the inner container 10 and its open end is fixed by welding to a transverse side of the inner container 10, whereby the first electric heating tube 42 can be guided in a simple manner.
  • the first electric heating tube 42 has a high impedance resistance wire (not shown) connected to a 220V or 110V AC supply via leads (not shown) for converting electrical energy into heat.
  • the first electrical heating tube 42 may be fixed by press fit in the mounting channel 41.
  • the installation channel can be considered as a one-piece extension of the surface of the inner container, which separates the first electric heating tube from the water in the inner container.
  • the first electric heating tube can heat the water in the inner container through the installation channel via its heat conduction. By this separation, the electric heating tube can be protected from water erosion. If the electric heating tube is damaged, it must only be removed for replacement and repair without having to empty the inner container.
  • the fact that the mounting channel is welded in one piece with the inner container can be reliably avoided over conventional detachable connections such as flange or screw any leaks and energy losses at the joints.
  • Fig. 2 and 3 show two embodiments, which are each extended by a second electrical heating tube assembly over the first embodiment.
  • the electric water heater 200 includes, in addition to inner container 10, housing 20, inlet and outlet ports 31, 32 and first electrical Heating tube assembly 40, a second electric heating tube assembly 50.
  • This in turn comprises a flange 51 and a second electric heating tube 52 which is fixedly connected to the flange 51.
  • the flange 51 can be fastened by means of a screw connection to a flange disc (not shown) on a transverse side of the inner container.
  • the second electric heating tube 52 which is fixed by welding to the flange 51, also contains a resistance wire and is connected via lines to an external supply source.
  • the second electric heating tube 52 extends within the inner container 10 and is in a different height position than the first electric heating tube 42. In this way, various layers of water can be heated so that the heating time is shortened.
  • an electric water heater 300 differs from the water heater 200 of the second embodiment substantially by an otherwise configured second electric heating tube assembly 60.
  • This comprises a screw head 61 fastened to a transverse side of the inner container 10 and a second electric heating tube 62 fixedly attached to the screw head 61.
  • an external thread is formed on the screw head 61 which is integral with the inner container located sleeve (not shown), in particular with its internal thread can cooperate to secure the second electrical heating tube assembly 60 to the inner container 10.
  • the second electric heating tube 62 has a resistance wire and is also connected via lines to an external supply source.
  • the second electric heating pipe 62 and the first electric heating pipe 42 are disposed inside the inner container at different height positions to heat various water layers.
  • the combination of previously known flanged or threaded electrical heater tube assemblies with the first electrical heating tube assembly of the present invention enables heating of different water layers without making a major change to existing electric water heaters to have to.
  • the water heater is advantageously provided by the water insulating embodiment of first electric heating tube assembly protected against water erosion.
  • the electrical heating tube assemblies, which together provide for a simultaneous heating of different water layers of course, be constructed identically with the first electric heating tube assembly, ie they are all water insulating. Manufacturer side can then be used in different, different from each other by the heating mode water heater types each a same constructed inner container. For example, three mounting channels can be installed vertically inside the inner container.

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)
  • Resistance Heating (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
EP11190034.6A 2010-11-26 2011-11-22 Chauffe-eau électrique Withdrawn EP2458298A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201020639949 CN201885379U (zh) 2010-11-26 2010-11-26 电热水器

Publications (2)

Publication Number Publication Date
EP2458298A2 true EP2458298A2 (fr) 2012-05-30
EP2458298A3 EP2458298A3 (fr) 2016-08-10

Family

ID=44182924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11190034.6A Withdrawn EP2458298A3 (fr) 2010-11-26 2011-11-22 Chauffe-eau électrique

Country Status (2)

Country Link
EP (1) EP2458298A3 (fr)
CN (1) CN201885379U (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018161098A3 (fr) * 2016-09-14 2018-10-18 Geyserwise Cc Dispositif de chauffage par immersion
CN108870731A (zh) * 2018-08-29 2018-11-23 广东奥荣电器有限公司 一种电热水器及其加热管组件
CN110319591A (zh) * 2019-08-05 2019-10-11 河北秦暖新能源科技有限公司 一种开式封闭加热器加和式结构的电锅炉
CN110873457A (zh) * 2018-08-31 2020-03-10 芜湖美的厨卫电器制造有限公司 电热水器
CN111912109A (zh) * 2020-06-30 2020-11-10 扬中市诺贝电气有限公司 一种小体积加热器及其排布方式
CN112781223A (zh) * 2021-01-26 2021-05-11 广东鑫禄莱电器股份有限公司 加热体外置式双腔体磁能热水器
CN114688732A (zh) * 2020-12-25 2022-07-01 青岛经济技术开发区海尔热水器有限公司 内胆组件及电热水器
EP4641108A1 (fr) * 2024-04-24 2025-10-29 Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. Ensemble de chauffage et chauffe-eau

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102506503A (zh) * 2011-10-13 2012-06-20 美的集团有限公司 一种带加热器的箱体
CN107339797A (zh) * 2017-07-18 2017-11-10 广西通盟电器有限公司 一种卫浴组合
CN108180138B (zh) * 2017-11-28 2020-02-21 湖南耐普泵业股份有限公司 新型加热器及采用该新型加热器的立式泵
CN114111045A (zh) * 2020-08-28 2022-03-01 青岛经济技术开发区海尔热水器有限公司 电热水器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB682294A (en) * 1949-12-30 1952-11-05 Serafino Radi Improvements in water heaters
GB739779A (en) * 1953-05-27 1955-11-02 Gen Electric Improvements in electrical water heaters
GB803035A (en) * 1956-09-11 1958-10-15 David Forman Improvements in or relating to electric hot water geysers
US20060029375A1 (en) * 2004-08-05 2006-02-09 Bradenbaugh Ken A Water heater and method of mounting a heating element in a water heater
CN201382562Y (zh) * 2009-02-06 2010-01-13 广东美的电器股份有限公司 热泵热水器的水箱结构

Non-Patent Citations (1)

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

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018161098A3 (fr) * 2016-09-14 2018-10-18 Geyserwise Cc Dispositif de chauffage par immersion
CN108870731A (zh) * 2018-08-29 2018-11-23 广东奥荣电器有限公司 一种电热水器及其加热管组件
CN110873457A (zh) * 2018-08-31 2020-03-10 芜湖美的厨卫电器制造有限公司 电热水器
CN110873457B (zh) * 2018-08-31 2023-11-28 芜湖美的厨卫电器制造有限公司 电热水器
CN110319591A (zh) * 2019-08-05 2019-10-11 河北秦暖新能源科技有限公司 一种开式封闭加热器加和式结构的电锅炉
CN111912109A (zh) * 2020-06-30 2020-11-10 扬中市诺贝电气有限公司 一种小体积加热器及其排布方式
CN114688732A (zh) * 2020-12-25 2022-07-01 青岛经济技术开发区海尔热水器有限公司 内胆组件及电热水器
CN112781223A (zh) * 2021-01-26 2021-05-11 广东鑫禄莱电器股份有限公司 加热体外置式双腔体磁能热水器
EP4641108A1 (fr) * 2024-04-24 2025-10-29 Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. Ensemble de chauffage et chauffe-eau

Also Published As

Publication number Publication date
CN201885379U (zh) 2011-06-29
EP2458298A3 (fr) 2016-08-10

Similar Documents

Publication Publication Date Title
DE69811352T2 (de) Integraler schnelldampferzeuger
EP2295886B1 (fr) Dispositif de chauffage de liquides
DE202009001056U1 (de) Heizkreisverteiler
EP0819892B1 (fr) Echangeur de chaleur pour la production d'eau sanitaire
DE1464436A1 (de) Fluessigkeitsdruckerzeuger
DE102012203747A1 (de) Heizkreisverteiler mit integrierter hydraulischer Weiche
DE3204381A1 (de) Heizkoerper, insbesondere fuer eine heiz- oder klimaanlage eines kraftfahrzeuges
EP2281154A2 (fr) Pied de sonde a structure modulaire et ses composants
DE102011015215A1 (de) Wärmetauscher
DE102012016833A1 (de) Ventil für fließfähige Medien, insbesondere Leimventil, sowie Verfahren zur Herstellung des Ventils
DE102005000794A1 (de) Vorrichtung und Verfahren zur Herstellung und/oder Veredelung einer Faserstoffbahn
EP2295888B1 (fr) Accumulateur d'eau chaude
EP2336668A2 (fr) Dispositif de chauffage d'eau doté d'un support à isolation thermique
DE7728463U1 (de) Heisswasserspeicher
DE2239899C3 (de) Vorrichtung zum kontinuierlichen Aufbringen eines Antikorrosionsanstriches auf die innere Oberflache eines fortlaufend aus einem flachen Stahlband beim Durchlaufen durch Formrollen gebogenen Rohres
DE29618611U1 (de) Heizkörper, insbesondere Rohrheizkörper, Zu- und Ablaufrohr für denselben
DE2316937A1 (de) Waermetauscheranordnung
DE4208675C2 (de) Elektrischer Durchlauferhitzer
DE2339096A1 (de) Elektrisch beheizter durchlauferhitzer und verfahren zu seiner herstellung
DE19940222B4 (de) Wasserheizer
CH674230A5 (fr)
DE202010010779U1 (de) Durchlauferhitzer
DE349209C (de) Stroemungsmesser
DE10121805A1 (de) Wärmetauscher mit mehreren Heizwicklungen und Verfahren zur Herstellung des Wärmetauschers
DE102008046471A1 (de) Dampfgenerator

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

AK Designated contracting states

Kind code of ref document: A2

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

AX Request for extension of the european patent

Extension state: BA ME

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BSH HAUSGERAETE GMBH

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

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

AX Request for extension of the european patent

Extension state: BA ME

RIC1 Information provided on ipc code assigned before grant

Ipc: F24H 9/18 20060101ALI20160707BHEP

Ipc: F24H 1/20 20060101ALI20160707BHEP

Ipc: F24H 9/20 20060101ALI20160707BHEP

Ipc: F24H 1/18 20060101AFI20160707BHEP

17P Request for examination filed

Effective date: 20170210

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

17Q First examination report despatched

Effective date: 20170823

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180130