EP2840328A1 - Appareil de chauffage doté d'un module thermoélectrique - Google Patents

Appareil de chauffage doté d'un module thermoélectrique Download PDF

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Publication number
EP2840328A1
EP2840328A1 EP14179832.2A EP14179832A EP2840328A1 EP 2840328 A1 EP2840328 A1 EP 2840328A1 EP 14179832 A EP14179832 A EP 14179832A EP 2840328 A1 EP2840328 A1 EP 2840328A1
Authority
EP
European Patent Office
Prior art keywords
thermoelectric module
burner
heat exchanger
heater according
heater
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
EP14179832.2A
Other languages
German (de)
English (en)
Other versions
EP2840328B1 (fr
Inventor
Frank Salg
Jan-Hinrich Sick
Hans-Josef Spahn
Kai Pecka
Thomas-Friedrich Szuder
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.)
Vaillant GmbH
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Vaillant GmbH
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Publication date
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Publication of EP2840328A1 publication Critical patent/EP2840328A1/fr
Application granted granted Critical
Publication of EP2840328B1 publication Critical patent/EP2840328B1/fr
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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
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D18/00—Small-scale combined heat and power [CHP] generation systems specially adapted for domestic heating, space heating or domestic hot-water supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2101/00—Electric generators of small-scale CHP systems
    • F24D2101/60—Thermoelectric generators, e.g. Peltier or Seebeck elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2103/00—Thermal aspects of small-scale CHP systems
    • F24D2103/10—Small-scale CHP systems characterised by their heat recovery units
    • F24D2103/13—Small-scale CHP systems characterised by their heat recovery units characterised by their heat exchangers

Definitions

  • the invention relates to a heater with a thermoelectric module and a device for fixing a thermoelectric module in a heater.
  • thermoelectric module is used to generate power for external or internal consumers, such as blower motor or circulation pump.
  • the thermoelectric module is used to generate power for external or internal consumers, such as blower motor or circulation pump.
  • This is in the US 6,019,098 provided that the flue gases of a burner are first passed through a tubular thermoelectric module before it is passed through a primary heat exchanger.
  • the primary heat exchanger serves to transfer the heat of the flue gas to a water cycle.
  • the function of a thermoelectric module requires that there be a high temperature gradient across the module.
  • the tubular thermoelectric module is externally connected to the heat flowing to the primary heat exchanger water.
  • thermoelectric module is also a heater with thermoelectric module known, in which at the end face of a cylindrical combustion chamber, a thermoelectric module is provided, wherein the flue gases of the burner are passed directly tangentially to the thermoelectric module.
  • thermoelectric module within a combustion chamber is an insulator.
  • This insulator is in conflict with the desire to efficiently transfer the heat of the flue gas to a primary heat exchanger. Solutions in which the thermoelectric module and the primary heat exchanger are spatially separated require a larger volume of construction. Thus stand the thermoelectric module and the primary heat exchanger with regard to the heat transfer and / or with regard to the construction space in a competitive situation with one another.
  • thermoelectric module in which the thermoelectric module and the primary heat exchanger are not in competition with each other.
  • thermoelectric module is arranged disc-shaped at the end of the burner. This exploits an area that can not be used by the heat exchanger. In addition, no high heat conduction is needed in this area.
  • the disc-shaped thermoelectric module is arranged in the end of the burner, which is opposite to the fuel gas supply.
  • thermoelectric module is connected to a heat sink disposed on the opposite side of the burner.
  • the heat sink is connected to the heat exchanger. This can be done in a parallel or series arrangement to the primary heat exchanger.
  • the heat transfer medium is preferably first passed through the heat sink and then through the heat exchanger.
  • thermoelectric module is connected by means of a centrally arranged clamping means with the heat sink. This allows for easy and safe installation. Particularly advantageous means are provided that the before Maintains tension. This allows a secure fixation even at different temperatures.
  • an insulating means is provided in the power flow of the clamping means, which is arranged in the center of the disc-shaped thermoelectric module, which has a matching hole.
  • This insulating agent preferably has 0.5 to 2 times the diameter of the burner.
  • a heat exchanger is provided in the outer region of the thermoelectric module.
  • a particularly efficient heat transfer between the space between the burner and the heat exchanger and the thermoelectric module is achieved.
  • the fact that the heat exchanger is in the power flow a reliable clamping between the heat exchanger and thermoelectric module is ensured.
  • a simple retaining plate can take over this function.
  • FIG. 1 represents a sectional view through the combustion chamber 1 of a heater according to the invention.
  • combustible fuel gas is supplied to the burner 2 by means of a gas-air mixing device, not shown here.
  • a gas-air mixing device not shown here.
  • the hot exhaust gases flow radially through the here formed as a spiral tube primary heat exchanger 5, which is heated by the hot exhaust gases and by the heat radiation and transfers the heat to a guided into the heat exchanger heat transfer medium, such as water.
  • the heated heat transfer medium is then a heat sink, such as a hot water tank or a building heating, fed, cooled there and is recycled in the circuit back to the primary heat exchanger.
  • the exhaust gas is then continued in the outer region of the combustion chamber 1 and discharged through an exhaust gas discharge 14.
  • thermoelectric module 9 Coaxial with the burner 2 and with respect to the fuel gas supply 3, a thermoelectric module 9 is provided.
  • a heat sink 6 is arranged on the back of the thermoelectric module 9.
  • This heat sink 6 is also traversed by a heat transfer medium, which is supplied via the input 7 and discharged via the output 8.
  • the heat sink 6 is connected in parallel or in series with the primary heat exchanger 5.
  • the heat sink 6 can also be traversed by a refrigerant whose boiling temperature is selected so that it evaporates in the heat sink 6 and causes a low surface temperature on the back of the thermoelectric module 9 and thus improves the thermoelectric efficiency.
  • a heat exchanger 10 is arranged on the burner 2 associated side of the thermoelectric module 9.
  • This heat exchanger 10 consists of a good heat-conducting material, such as graphite, and is provided on the burner associated side with ribs. Instead of the heat exchanger 10 and a simple retaining plate can be used. In the middle region, an insulator 11 is arranged. A clamping means 12, which cooperates with a means 13 for maintaining the bias voltage even at high temperatures and concomitantly high thermal expansion, clamps insulator 11, heat exchanger 10 and retaining plate, thermoelectric module 9 and heat sink 6 together. For this purpose, the thermoelectric module 9 in the middle of a bore through which the tensioning means 12 is guided.
  • the insulator 11 is either directly on the thermoelectric module 9 or between the insulator and the thermoelectric module, a part of the heat exchanger 10 and the holding plate is clamped.
  • the insulator 12 on the outer circumference and on the thermoelectric module associated side on a paragraph in which either the thermoelectric module 9 directly or the heat exchanger 10 and the holding plate sits.
  • the clamping means 12 is a screw connection and that means 13 for maintaining the bias of a plate spring package.
  • Other technical embodiments are included according to the invention.

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-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
EP14179832.2A 2013-08-21 2014-08-05 Appareil de chauffage doté d'un module thermoélectrique Active EP2840328B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA653/2013A AT514875B1 (de) 2013-08-21 2013-08-21 Heizgerät mit thermoelektrischem Modul

Publications (2)

Publication Number Publication Date
EP2840328A1 true EP2840328A1 (fr) 2015-02-25
EP2840328B1 EP2840328B1 (fr) 2017-03-01

Family

ID=51392055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14179832.2A Active EP2840328B1 (fr) 2013-08-21 2014-08-05 Appareil de chauffage doté d'un module thermoélectrique

Country Status (2)

Country Link
EP (1) EP2840328B1 (fr)
AT (1) AT514875B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3220073A1 (fr) * 2016-03-14 2017-09-20 Vaillant GmbH Échangeur thermique spiralé
US11933496B1 (en) * 2023-08-31 2024-03-19 Qinglong Gao Self-generating movable heat source

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021112826A1 (de) 2021-05-18 2022-11-24 Vaillant Gmbh Hybrid-Heizgerät und Verfahren zum Betreiben eines Hybrid-Heizgerätes, sowie Computer-programm

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4409685A1 (de) 1993-03-16 1994-10-13 Vaillant Joh Gmbh & Co Heizapparat, insbesondere Fluidheizer
US6019098A (en) 1993-10-19 2000-02-01 Hi-Z Technology, Inc. Self powered furnace
DE102005029182A1 (de) 2005-06-23 2007-01-04 Webasto Ag Heizgerät mit thermoelektrischem Modul
EP2482000A1 (fr) * 2011-01-27 2012-08-01 Poliedra s.r.l. Échauffeur de fluid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6053163A (en) * 1999-08-04 2000-04-25 Hi-Z Technology, Inc. Stove pipe thermoelectric generator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4409685A1 (de) 1993-03-16 1994-10-13 Vaillant Joh Gmbh & Co Heizapparat, insbesondere Fluidheizer
US6019098A (en) 1993-10-19 2000-02-01 Hi-Z Technology, Inc. Self powered furnace
DE102005029182A1 (de) 2005-06-23 2007-01-04 Webasto Ag Heizgerät mit thermoelektrischem Modul
EP2482000A1 (fr) * 2011-01-27 2012-08-01 Poliedra s.r.l. Échauffeur de fluid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3220073A1 (fr) * 2016-03-14 2017-09-20 Vaillant GmbH Échangeur thermique spiralé
US11933496B1 (en) * 2023-08-31 2024-03-19 Qinglong Gao Self-generating movable heat source

Also Published As

Publication number Publication date
AT514875A1 (de) 2015-04-15
EP2840328B1 (fr) 2017-03-01
AT514875B1 (de) 2015-06-15

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