System for transferring heat in a thermoelectric generator system

• US 20050051208A1
• Filed: 06/17/2004
• Published: 03/10/2005
• Est. Priority Date: 06/17/2003
• Status: Abandoned Application

• Current Assignee: Power Innovations International, Inc. (Lite-On Technology Corporation)
• Original Assignee: Power Innovations International, Inc. (Lite-On Technology Corporation)
• Inventors: Mount, Robert L.
• Application Number:
  US10/871,544
• Publication Number:
  US 20050051208A1
• Time in Patent Office: Days
• US Class Current: 136/259
• CPC Class Codes: F24S 23/31 having discontinuous faces, e.g. Fresnel lenses
• CPC Class Codes: F24S 90/00 Solar heat systems not otherwise provided for
• CPC Class Codes: Y02B 10/20 Solar thermal
• CPC Class Codes: Y02E 10/40 Solar thermal energy, e.g. solar towers

Abstract

Disclosed herein are thermoelectric generator systems dissipating into a foundational element. Detailed information on various example embodiments of the inventions are provided in the Detailed Description below, and the inventions are defined by the appended claims.

Claims

1. A thermal transfer system for a set of thermoelectric generators, said set including at least one generator, each thermoelectric generator designed to produce electric power through the conduction of heat through the generator, comprising:

at least one TEG conduit suitable for channeling a thermal carrying liquid agent, said TEG conduit being configurable to be attached to at least one of the thermoelectric generators such that when attached heat may be transferred between the thermoelectric generators through said TEG conduit to liquid agent within said TEG conduit;

a building foundation portion, said foundation portion including a thermal mass;

a dissipation conduit embedded in said building foundation portion, said dissipation conduit including a channel through which the liquid agent may pass through, said dissipation conduit further including a transfer interface in substantial thermal communication with said foundation portion such that heat carried in the liquid agent may be transferred through said dissipation conduit to said building foundation portion when the liquid agent is hotter than the foundation portion;

connection conduits connecting said TEG conduits and said dissipation conduit, whereby said TEG conduits, said dissipation conduit and said connection conduits form a circuit for circulating the liquid agent through the system;

a pump configurable to circulate the liquid agent through said circuit at a specified rate;

wherein said building foundation portion has a shape and surface area sufficient to equalize the temperature of the thermal mass of said portion and surrounding matter at a sufficient rate such that the temperature of the foundation portion remains about the ambient temperature of the surrounding matter when said pump is circulating the liquid agent at the specified rate and the set of thermoelectric generators are conducting heat at a specified thermal rate and interval; and

wherein the transfer interface of said dissipation conduit has a shape, surface area and length sufficient to equalize the temperature between the liquid agent in the dissipation conduit and the building foundation portion at a sufficient rate such that the temperature of the liquid agent does not differ more than a specified amount when said pump is circulating the liquid agent at the specified rate and the set of thermoelectric generators are conducting heat at the specified thermal rate and interval.

2. The system of claim 1, wherein the dissipation conduit is buried entirely below a frost line.

3. The system of claim 1, wherein the dissipation conduit is buried entirely below a freezing line.

4. The system of claim 1, further comprising:

said set of thermoelectric generators; and

at least one solar radiation collector in thermal communication with said set of thermo-electric generators.

5. The system of claim 4, further comprising a cutout mechanism, whereby the solar input may be reduced if the temperature of a component of the system rises above a threshold.

6. The system of claim 4, wherein said building foundation portion, said dissipation conduit and said pump are configured to maintain a liquid agent of temperature of less than 120 degrees fahrenheit under conditions of full solar exposure.

7. The system of claim 4, further comprising a solar concentrator operable to concentrate solar radiation onto at least one of said solar radiation collectors under conditions of orientation with the sun.

8. The system of claim 1, wherein said building foundation portion comprises concrete.

9. A solar-electric generating device including a set of thermoelectric generators, said set including at least one generator, each thermo-electric generator designed to produce electric power through the conduction of heat through the generator at a specified thermal rate and interval, comprising:

at least one collector, each of said collectors absorbing solar radiation thereby generating heating of the collector;

for each of said collectors, at least one thermoelectric generator coupled to the collector to receive heat therefrom;

at least one heating conduit suitable for conducting a coolant liquid, said conduits being in thermal contact with said thermoelectric generators whereby heat may be transferred from the thermoelectric generators to a coolant liquid contained in the heating conduits;

a building foundation portion, said foundation portion including a thermal mass for accepting heat;

a cooling conduit embedded in said building foundation portion, said cooling conduit including a channel through which coolant liquid may pass through, said cooling conduit further including a transfer interface in substantial thermal communication with said foundation portion such that heat carried in the coolant liquid may be transferred through said cooling conduit to said building foundation portion;

connection conduits connecting said heating conduits and said cooling conduit, whereby said heating conduits, said cooling conduit and said connection conduits form a cooling circuit for circulating coolant liquid through the system;

a pump configurable to circulate the coolant liquid through said cooling circuit at a specified rate;

wherein said building foundation portion has a shape and surface area sufficient to dissipate heat into surrounding matter at a sufficient rate such that the temperature of the foundation portion remains about the ambient temperature of the surrounding matter; and

wherein the transfer interface of said cooling conduit has a shape, surface area and length sufficient to dissipate heat from coolant liquid in the cooling conduit into the building foundation portion at a sufficient rate such that the temperature of the coolant liquid does not rise above a specified temperature when said pump is circulating coolant liquid at the specified rate and the set of thermoelectric generators are conducting heat at the specified thermal rate and interval.

10. The system of claim 9, wherein the cooling conduit is buried entirely below a frost line.

11. The system of claim 9, wherein the cooling conduit is buried entirely below a freezing line.

12. The system of claim 9, further comprising a cutout mechanism, whereby the solar input may be reduced if the temperature of a component of the system rises above a threshold.

13. The system of claim 9, wherein said building foundation portion, said cooling conduit and said pump are configured to maintain a liquid agent of temperature of less than 120 degrees fahrenheit under conditions of full solar exposure.

14. The system of claim 9, further comprising a solar concentrator operable to concentrate solar radiation onto at least one of said solar radiation collectors under conditions of orientation with the sun.

15. A building including solar-electric generating device including a set of thermoelectric generators, comprising:

a foundation including a material comprising hydraulic cement;

optionally a structural framework supported on said foundation;

a roof supported on said foundation;

at least one collector, each of said collectors absorbing solar radiation thereby generating heating of the collector;

for each of said collectors, at least one thermo-electric generator coupled to the collector to receive heat therefrom;

at least one heating conduit suitable for conducting a coolant liquid, said conduits being in thermal contact with said thermo-electric generators whereby heat may be transferred from the thermoelectric generators to a coolant liquid contained in the heating conduits;

a cooling conduit embedded in said building foundation, said cooling conduit including a channel through which coolant liquid may pass through, said cooling conduit further including a transfer interface in substantial thermal communication with said foundation such that heat carried in the coolant liquid may be transferred through said cooling conduit to said building foundation;

connection conduits connecting said heating conduits and said cooling conduit, whereby said heating conduits, said cooling conduit and said connection conduits form a cooling circuit for circulating coolant liquid through the system;

a pump configurable to circulate the coolant liquid through said cooling circuit at a specified rate;

wherein said building foundation has a shape and surface area sufficient to dissipate heat into surrounding matter at a sufficient rate such that the temperature of the foundation portion remains about the ambient temperature of the surrounding matter; and

wherein the transfer interface of said cooling conduit has a shape, surface area and length sufficient to dissipate heat from coolant liquid in the cooling conduit into the building foundation at a sufficient rate such that the temperature of the coolant liquid does not rise above a specified temperature when said pump is circulating coolant liquid at the specified rate and the set of thermo-electric generators are conducting heat at the specified thermal rate and interval.

16. A system according to claim 15, wherein the foundation comprises concrete.

17. The system of claim 15, wherein the cooling conduit is buried entirely below a frost or a freezing line.

18. The system of claim 15, further comprising a cutout mechanism, whereby the solar input may be reduced if the temperature of a component of the system rises above a threshold.

19. The system of claim 15, wherein said building foundation portion, said cooling conduit and said pump are configured to maintain a liquid agent of temperature of less than 120 degrees Fahrenheit under conditions of full solar exposure.

20. The system of claim 15, further comprising a solar concentrator operable to concentrate solar radiation onto at least one of said solar radiation collectors under conditions of orientation with the sun.