EP3218943A1 - Electric generator having a thermoelectric generator - Google Patents
Electric generator having a thermoelectric generatorInfo
- Publication number
- EP3218943A1 EP3218943A1 EP15798360.2A EP15798360A EP3218943A1 EP 3218943 A1 EP3218943 A1 EP 3218943A1 EP 15798360 A EP15798360 A EP 15798360A EP 3218943 A1 EP3218943 A1 EP 3218943A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thermoelectric generator
- generating device
- power generating
- generator
- thermoelectric
- 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- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
- H10N10/13—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the heat-exchanging means at the junction
Definitions
- thermoelectric generator Electricity generating device with a thermoelectric generator
- the invention relates to a power generating device with a thermoelectric generator according to the features of the preamble of claim 1.
- Thermoelectric generators that exploit a temperature difference for power generation are known in principle.
- thermoelectric generators have the disadvantage of low efficiencies, so that depending on the application not enough electrical energy can be provided for a consumer.
- the invention is therefore based on the object to improve a power generating device with a thermoelectric generator in terms of their effectiveness.
- thermoelectric generator is provided with two separate Anbauteiien, wherein the two attachments have mutually different thermal properties.
- the basic idea is therefore the use of one or even several thermoelectric generators in combination with at least two, preferably exactly two bodies with different thermal properties. These bodies are structurally different with respect to their heat capacity and the degree of heat absorption or heat release by heat radiation and convection over time.
- the goal is to image a temporally changing outside temperature of an environment, preferably the environment of use of the power generating device or of the vehicle, into a temperature difference delta T which can be used by the at least one thermoelectric generator!
- the two attachments, which are separated from each other the temperature difference is increased in an advantageous manner, which acts on the thermoelectric generator, thereby increasing the electrical efficiency and thus a greater amount of electrical energy can be provided at the output of the thermoelectric generator.
- FIG. 1 shows in a schematic representation, as far as shown in detail, a power generating device 1 which uses a known thermoelectric generator 2.
- This thermoelectric generator 2 has a hot and a cold side.
- a first attachment 3 and on the other side a second attachment 4 is arranged, so that these two parts 3, 4 are preferably connected flat to the hot and cold side of the thermoelectric generator 2.
- This power generating device 1 shown in Figure 1 is located in an environment 5, which is seconded to the mission space of the power generating device 1, but also to a closed control room in which an outside temperature TA prevails, which can change.
- FIG. 2 shows that an insulator 6 is arranged between the add-on parts 3, 4.
- attachment 3 includes both the thermoelectric generator 2 and the attachment 4.
- the attachment 4 is thus disposed within the insulator 6, which in turn is disposed within the attachment part 3, so that the two attachments 3, 4 are connected by a thermoelectric insulator.
- FIG. 3 shows the schematic diagram of a power generating device 1 with an analogous structure, as shown in FIG.
- the thermoelectric generator 2 with its attachments 3, 4 are arranged within a housing 7.
- the housing 7 is again in the environment 5 and or in the control room already mentioned.
- the elements arranged therein are arranged in a vacuum.
- the thermoelectric generator 2 has electrical connections 9, which are led out of the housing 7 and to which a voltage according to the Seebeck effect (U seebeck ) with improved electrical power is provided.
- the power generation device 1 is connected, for example, to a converter, in particular a DC-DC converter.
- a converter in particular a DC-DC converter.
- At the output of the electrical connections 9 or at the output of the converter 10 is thus an energy supply for particular mobile applications with increased efficiency available.
- FIG. 4 shows a further embodiment of the power generation device 1.
- a vacuum 8 is arranged between the attachments 3, 4, wherein the attachment 4 is surrounded on the thermoelectric generator 2 of the vacuum 8 and this in turn is disposed within the attachment part 3.
- the attachment 3 forms with its outer surface quasi a housing, with which the power generating device 1 is disposed in the environment 5 or within the control room.
- FIG. 5 shows an equivalent circuit diagram of the power generating device 1 according to the invention. The meaning of the individual electronic components in this equivalent circuit diagram and their dimensioning are listed below in the table:
- the sizing should be chosen so that
- C1 including associated resistors filters short-term fluctuations due to changing sunlight
- C4 is large enough to be colder than C2 during the day (including R3, R4, R5 and R7 resistors) and ideally warmer than C2 at night (voltage reversal must be provided in the DC-DC converter),
- R6 is thermally so large that the first condition can work and gives favorable conversion rates with respect to the DC-DC converter (thermal conversion efficiency of the energy conversion and the voltage conversion)
- thermogenerator up to the DC-DC converter
- thermo conductivity emissivity, heat capacity, thermal conductivity
- Insulating materials for fixing the structure in the vacuum container, as well as the container to the surrounding structure.
- the two attachments 3, 4 may have any geometric shapes, such as square, rectangular, triangular, round, oval or similar shapes. It must be ensured that the respective attachment 3, 4 is brought into contact with the thermoelectric generator 2 in a planar manner and that a very good thermal connection is ensured in the region of this contact surface for the purpose of adequate or reliable heat transfer.
Landscapes
- Electromechanical Clocks (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Cells (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014223189 | 2014-11-13 | ||
PCT/EP2015/076600 WO2016075307A1 (en) | 2014-11-13 | 2015-11-13 | Electric generator having a thermoelectric generator |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3218943A1 true EP3218943A1 (en) | 2017-09-20 |
Family
ID=54697547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15798360.2A Withdrawn EP3218943A1 (en) | 2014-11-13 | 2015-11-13 | Electric generator having a thermoelectric generator |
Country Status (9)
Country | Link |
---|---|
US (1) | US20170244017A1 (en) |
EP (1) | EP3218943A1 (en) |
JP (1) | JP2017535963A (en) |
CN (1) | CN106716657A (en) |
BR (1) | BR112017003604A2 (en) |
CA (1) | CA2967129A1 (en) |
DE (1) | DE102015222487A1 (en) |
RU (1) | RU2017119394A (en) |
WO (1) | WO2016075307A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080314429A1 (en) * | 2007-02-09 | 2008-12-25 | Stichting Imec Nederland | Method for Thermal Matching of a Thermoelectric Generator with a Heat Source Having High Thermal Resistance and Thermoelectric Generator thus Obtained |
US20080251111A1 (en) * | 2007-04-10 | 2008-10-16 | Woo Sik Yoo | Thermoelectric energy conversion |
SE534185C2 (en) * | 2009-02-11 | 2011-05-24 | Bae Systems Haegglunds Ab | Device for thermally adjusting the temperature distribution of a surface |
US20110290295A1 (en) * | 2010-05-28 | 2011-12-01 | Guardian Industries Corp. | Thermoelectric/solar cell hybrid coupled via vacuum insulated glazing unit, and method of making the same |
BR112013005978A2 (en) * | 2010-09-13 | 2016-06-07 | Tempronics Inc | distributed thermoelectric cord and insulation panel applications for local heating, local cooling, and heat power generation |
-
2015
- 2015-11-13 WO PCT/EP2015/076600 patent/WO2016075307A1/en active Application Filing
- 2015-11-13 US US15/502,724 patent/US20170244017A1/en not_active Abandoned
- 2015-11-13 EP EP15798360.2A patent/EP3218943A1/en not_active Withdrawn
- 2015-11-13 BR BR112017003604A patent/BR112017003604A2/en not_active Application Discontinuation
- 2015-11-13 DE DE102015222487.2A patent/DE102015222487A1/en not_active Ceased
- 2015-11-13 CA CA2967129A patent/CA2967129A1/en not_active Abandoned
- 2015-11-13 CN CN201580050739.6A patent/CN106716657A/en active Pending
- 2015-11-13 JP JP2017525868A patent/JP2017535963A/en not_active Withdrawn
- 2015-11-13 RU RU2017119394A patent/RU2017119394A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US20170244017A1 (en) | 2017-08-24 |
WO2016075307A1 (en) | 2016-05-19 |
CN106716657A (en) | 2017-05-24 |
JP2017535963A (en) | 2017-11-30 |
CA2967129A1 (en) | 2016-05-19 |
BR112017003604A2 (en) | 2017-11-28 |
RU2017119394A (en) | 2018-12-14 |
DE102015222487A1 (en) | 2016-05-19 |
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Legal Events
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Effective date: 20170208 |
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Extension state: BA ME |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
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Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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Effective date: 20180103 |