EP2002048A1 - Wärmetauscheranordnung, insbesondere für ein hausgerät - Google Patents
Wärmetauscheranordnung, insbesondere für ein hausgerätInfo
- Publication number
- EP2002048A1 EP2002048A1 EP07704200A EP07704200A EP2002048A1 EP 2002048 A1 EP2002048 A1 EP 2002048A1 EP 07704200 A EP07704200 A EP 07704200A EP 07704200 A EP07704200 A EP 07704200A EP 2002048 A1 EP2002048 A1 EP 2002048A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- peltier
- peltier element
- positioning element
- arrangement according
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/023—Mounting details thereof
Definitions
- Heat exchanger arrangement in particular for a domestic appliance
- the invention relates to a heat exchanger arrangement, which has a first and at least one second heat exchanger, which are arranged at a distance from each other. In a space between the heat exchangers, at least one Peltier element is arranged.
- Peltier element in structure and function which has the structure described above ,
- the half elements of this Peltier element are formed in columns or cuboid and consist of doped semiconductors as materials.
- the semiconductors are, in particular, bismuth telluride, and a p-type doped semiconductor and an n-type doped semiconductor are used.
- a half element of the p-type doped semiconductor and a half element of the n-type doped semiconductor are each connected to one side via a printed circuit board, also referred to as a metal bridge, and at another side, which is opposite to said one side , Connected via a respective further circuit board with another half-element or a connection contact for connection of the Peltier element to an electrical network.
- a printed circuit board also referred to as a metal bridge
- DE 1 410 206 A discloses a domestic appliance in the form of a washing machine, in which laundry can not only be washed, but also dried.
- the document shows several alternatives;
- the heat pump can work with Peltier elements to use the thermoelectric effect.
- a domestic appliance for drying laundry which emerges from an English summary extract belonging to the patent abstract "Patent Abstracts of Japan" for JP 08 057 194 A, contains the cooler in a duct system in addition to a heater and a cooler, which both belong to a thermoelectrically operable heat pump upstream additional heat exchanger for cooling the air flow discharged from the laundry and an additional heater connected downstream of the heater for further heating of the air flow before the loading of the laundry.
- a gap is formed between the heat exchangers which has a lateral size which comprises the arrangement of all Peltier elements.
- the Peltier elements are only in each case with a corresponding side of each heat exchanger. Due to tolerances in the dimensions of the Peltier elements, it may be due to these different dimensions and in addition by high thermal stresses during operation
- Position changes causes touching of adjacent Peltier elements.
- Such may cause a short circuit or other functional impairment until the system is destroyed.
- the heat exchanger arrangement according to the invention has a first and at least one second heat exchanger, wherein the two heat exchangers are arranged at a distance from one another and an intermediate space is formed between these heat exchangers. In this space at least one Peltier element is arranged, which is contacted with two heat exchangers.
- An essential idea is that the Peltier element is fixed in position by a positioning element. The positioning element thus achieves a fixation of the Peltier element in the intermediate space. A position change or displacement of the Peltier element relative to the other components of the heat exchanger assembly can thus be substantially prevented.
- the positioning element is designed as a frame for the Peltier element.
- Such a structure allows the reliable fixation of the Peltier element in a low-effort manner.
- the positioning element is preferably plate-shaped. As a result, a simple and space-saving element for positionally stable arrangement of the Peltier element is created.
- a recess in particular a continuous recess, is formed in the positioning element, into which the Peltier element is inserted.
- the continuous recess is dimensioned in an advantageous manner such that the Peltier element can be used accurately.
- the recess is preferably formed such that it is arranged completely circumferentially adjacent to the Peltier element.
- the positioning element is designed as an electrical circuit board.
- the circuit board is electrically contacted with the Peltier element.
- a positioning element has a double function with regard to a safe electrical Contacting on the one hand and a position-stable fixation of the Peltier element on the other hand.
- the electrical contact is preferably formed by a solder joint.
- this solder joint is automatically generated.
- significantly improved contacts compared to manual soldering can be achieved.
- a considerable advantage can be achieved by the automatic producibility of the solder connection.
- Particularly advantageous is a positioning, with which at least two Peltier elements, which are arranged in the space between heat exchangers, are jointly fixable. Touching of such adjacent Peltier elements due to a change in position can thereby be prevented. Thus, an electrical short-circuiting of the system by contacting two Peltier elements is excluded.
- the intermediate space is sealed by a sealing element, wherein in the sealing element, a passage is formed through which the positioning extending therethrough.
- the positioning element thus extends both in the gap and outside it.
- the heat exchanger assembly in a domestic appliance, in particular in a household appliance for the care of laundry, for example, in a tumble dryer, arranged.
- FIG. 1 is a perspective view of a portion of a
- the heat exchanger assembly and
- Fig. 2 is a view of a Peltier element in a positioning element.
- the heat exchanger arrangement according to FIG. 1 is arranged as a Peltier module with the function of a heat pump in a tumble dryer.
- the heat exchanger arrangement has a first heat exchanger 1 and a second heat exchanger 2.
- the two heat exchangers 1 and 2 are arranged at a distance from one another.
- a plurality of Peltier elements 4 are arranged, of which, for example, the Peltier element 4 is shown.
- the heat exchanger 1 is arranged as a "warm” heat exchanger or heater and contacted with a hot side of the Peltier element 4, which heats up during operation of the Peltier element 4.
- the second heat exchanger 2 is designed as a "cold" heat exchanger or cooler and with a cold side of the Peltier element 4, which cools during operation, contacted.
- the second heat exchanger 2 has a base element 21 directly contacted with the Peltier elements 4 and cooling fins 22 arranged thereon. Humidified air flows past these cooling fins 22 and releases heat, whereby moisture can be condensed out and withdrawn. In an air duct, not shown, this air then flows out of the second heat exchanger 2 and into the first heat exchanger 1.
- This first heat exchanger 1 also has a base element 11 contacted with the Peltier elements 4 and throughflow elements 12 arranged thereon. These flow elements 12 are formed as ribs with hollow chambers. The exiting from the second heat exchanger 2 and flowing into the first heat exchanger 1 air is then heated in the first heat exchanger 1.
- the gap 3 is sealed by a sealing element 5.
- the sealing element 5 is U-shaped in cross section and engages in edge regions of the base elements 11 and 21 a.
- the Peltier element 4 is arranged in a stable position in the space 3 between the heat exchangers 1 and 2.
- the heat exchanger arrangement has a positioning element 6.
- the positioning element 6 is in the embodiment plate-shaped and has a plurality of recesses 61.
- the recesses 61 are formed as through holes in the plate-shaped positioning element 6.
- the positioning element 6 is arranged in the embodiment shown substantially parallel to the base elements 11 and 21.
- the recess 61 is arranged completely circumferentially and adjacent to the Peltier element 4.
- the further Peltier elements not shown in FIG. 1 are arranged in corresponding recesses of the positioning element 6.
- the positioning element 6 is designed as a printed circuit board and is electrically contacted with the Peltier element 4 via cable pieces 41, soldered connections 42 and printed conductors 43.
- the electrical contact is made by automatically generated solder joints 42.
- the conductor tracks 43 are passed through the sealing element 5 and can thus be contacted again outside the intermediate space 3 (see FIG.
- a passage 51 is formed in the sealing element 5, through which the positioning element 6 extends.
- the positioning element 6 can thus be guided in a simple manner from the intermediate space 3 to the outside.
- An electrical connection of the outer part of the positioning element 6 with other electrical units for controlling and / or powering the entire system can be connected thereto.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200610013522 DE102006013522A1 (de) | 2006-03-23 | 2006-03-23 | Wärmetauscheranordnung, insbesondere für ein Hausgerät |
PCT/EP2007/050846 WO2007107403A1 (de) | 2006-03-23 | 2007-01-29 | Wärmetauscheranordnung, insbesondere für ein hausgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2002048A1 true EP2002048A1 (de) | 2008-12-17 |
EP2002048B1 EP2002048B1 (de) | 2016-04-27 |
Family
ID=38103514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07704200.0A Not-in-force EP2002048B1 (de) | 2006-03-23 | 2007-01-29 | Wärmetauscheranordnung, insbesondere für ein hausgerät |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2002048B1 (de) |
DE (1) | DE102006013522A1 (de) |
PL (1) | PL2002048T3 (de) |
WO (1) | WO2007107403A1 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3213630A (en) * | 1964-12-18 | 1965-10-26 | Westinghouse Electric Corp | Thermoelectric apparatus |
US3626704A (en) * | 1970-01-09 | 1971-12-14 | Westinghouse Electric Corp | Thermoelectric unit |
FR2315771A1 (fr) * | 1975-06-27 | 1977-01-21 | Air Ind | Perfectionnements apportes aux installations thermo-electriques |
FR2449857A1 (fr) * | 1979-02-22 | 1980-09-19 | Air Ind | Perfectionnements apportes aux installations thermoelectriques |
US4346562A (en) * | 1980-12-18 | 1982-08-31 | Bipol Ltd. | Thermoelectric device and process for making the same |
US4823554A (en) * | 1987-04-22 | 1989-04-25 | Leonard Trachtenberg | Vehicle thermoelectric cooling and heating food and drink appliance |
AU5683294A (en) * | 1992-11-27 | 1994-06-22 | Pneumo Abex Corporation | Thermoelectric device for heating and cooling air for human use |
-
2006
- 2006-03-23 DE DE200610013522 patent/DE102006013522A1/de not_active Withdrawn
-
2007
- 2007-01-29 WO PCT/EP2007/050846 patent/WO2007107403A1/de active Application Filing
- 2007-01-29 PL PL07704200.0T patent/PL2002048T3/pl unknown
- 2007-01-29 EP EP07704200.0A patent/EP2002048B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2007107403A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2007107403A1 (de) | 2007-09-27 |
EP2002048B1 (de) | 2016-04-27 |
PL2002048T3 (pl) | 2016-11-30 |
DE102006013522A1 (de) | 2007-09-27 |
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