Circuit assemblies including thermoelectric modules
View Patent ↗A circuit assembly generally includes a circuit board and at least one electrical pathway configured to couple a thermoelectric module to the circuit board. The circuit board and the at least one electrical pathway form part of the thermoelectric module when the thermoelectric module is coupled to the circuit board via the at least one electrical pathway. The thermoelectric module, including the portion of the circuit board forming part of the thermoelectric module, defines a footprint that is smaller than a footprint of the circuit board. As such, the circuit board is capable of supporting electrical components on the circuit board in a position outside the footprint defined by the thermoelectric module.
1. A circuit assembly comprising:
a circuit board;
a thermoelectric module; and
at least one electrical pathway coupling the thermoelectric module to the circuit board;
wherein the circuit board forms at least part of the thermoelectric module; and
wherein the circuit board supports electrical components on the circuit board at locations spaced apart from the thermoelectric module; and
the circuit assembly further comprising multiple thermoelectric modules, and wherein the circuit board forms at least part of the multiple thermoelectric modules.
2. The circuit assembly of claim 1 , wherein the multiple thermoelectric modules are operable as electrical power generators in the circuit assembly.
3. A circuit assembly comprising:
a circuit board;
a thermoelectric module; and
at least one electrical pathway coupling the thermoelectric module to the circuit board;
wherein the circuit board forms at least part of the thermoelectric module;
wherein the circuit board supports electrical components on the circuit board at locations spaced apart from the thermoelectric module; and
wherein the thermoelectric module includes:
a substrate spaced apart from the circuit board; and
multiple N-type thermoelectric elements and multiple P-type thermoelectric elements electrically coupled between the substrate and the circuit board.
4. The circuit assembly of claim 3 , further comprising multiple thermoelectric modules, and wherein the circuit board forms at least part of the multiple thermoelectric modules.
5. A circuit assembly comprising:
a circuit board;
a thermoelectric module; and
at least one electrical pathway coupling the thermoelectric module to the circuit board;
wherein the circuit board forms at least part of the thermoelectric module;
wherein the circuit board supports electrical components on the circuit board at locations spaced apart from the thermoelectric module; and
wherein the at least one electrical pathway comprises multiple groups of electrical pathways on the circuit board, each group coupling a different thermoelectric module to the circuit board.
6. A circuit assembly comprising:
a circuit board;
a thermoelectric module; and
at least one electrical pathway coupling the thermoelectric module to the circuit board;
wherein the circuit board forms at least part of the thermoelectric module;
wherein the circuit board supports electrical components on the circuit board at locations spaced apart from the thermoelectric module; and
wherein the at least one electrical pathway is buried in the circuit board, and wherein the circuit board includes a base support, at least part of the base support being removed to thereby define an opening through the base support exposing the at least one electrical pathway of the circuit board, the at least one electrical pathway coupling the thermoelectric module to the circuit board through the opening defined in the base support of the circuit board.
7. A circuit assembly comprising:
a circuit board;
a thermoelectric module; and
at least one electrical pathway coupling the thermoelectric module to the circuit board;
wherein the circuit board forms at least part of the thermoelectric module;
wherein the circuit board supports electrical components on the circuit board at locations spaced apart from the thermoelectric module; and
wherein the at least one electrical pathway couples the thermoelectric module to the circuit board for use as a heat pump in the circuit assembly.
8. A circuit assembly comprising:
a circuit board;
a thermoelectric module; and
at least one electrical pathway coupling the thermoelectric module to the circuit board;
wherein the circuit board forms at least part of the thermoelectric module;
wherein the circuit board supports electrical components on the circuit board at locations spaced apart from the thermoelectric module; and
wherein the at least one electrical pathway couples the thermoelectric module to the circuit board for use as a thermoelectric generator in the circuit assembly.
9. The circuit assembly of claim 1 , wherein the circuit board operates as one of a hot side and a cold side of the thermoelectric module.
10. The circuit assembly of claim 1 , wherein the thermoelectric module is disposed within a footprint of the circuit board, the circuit board supporting the electrical components within said footprint of the circuit board at locations spaced apart from the thermoelectric module.
11. The circuit assembly of claim 1 , wherein the electrical components comprise at least one electrical component that controls operation of the thermoelectric module, the at least one electrical component being disposed on the circuit board in a position spaced apart from the thermoelectric module.
12. The circuit assembly of claim 1 , further comprising a heat transfer device coupled to the circuit board.
13. The circuit assembly of claim 1 , wherein the at least one electrical pathway is on an exposed surface of the circuit board or is buried in the circuit board.
14. The circuit assembly of claim 1 , wherein the at least one electrical pathway is disposed between two dielectric layers of the circuit board.
15. The circuit assembly of claim 1 , wherein:
the thermoelectric module transfers heat away from at least one of the electrical components through the circuit board when said at least one of the electrical components is coupled to the circuit board; and/or
at least one of the electrical components is coupled to the circuit board and spaced apart from the thermoelectric module, the thermoelectric module transferring heat away from said at least one of the electrical components.
16. A circuit assembly comprising:
a circuit board;
a thermoelectric module comprising:
a first substrate defined by a portion of the circuit board;
a second substrate disposed within a footprint of the circuit board;
N-type and P-type thermoelectric elements disposed generally between the first and second substrates;
at least one additional thermoelectric module coupled to the circuit board such that the circuit board defines part of the at least one additional thermoelectric module;
wherein the circuit board supports at least one electrical component in a position spaced apart from the thermoelectric module.
17. The circuit assembly of claim 16 , wherein the thermoelectric module is operable as a heat pump in the circuit assembly.
18. The circuit assembly of claim 16 , wherein the thermoelectric module is operable as a thermoelectric generator in the circuit assembly.
19. A circuit assembly comprising:
a circuit board;
a thermoelectric module comprising:
a first substrate defined by a portion of the circuit board;
a second substrate disposed within a footprint of the circuit board;
N-type and P-type thermoelectric elements disposed generally between the first and second substrates;
electrical pathways coupling the thermoelectric elements to the circuit board, the electrical pathways being buried in the circuit board;
wherein the circuit board supports at least one electrical component in a position spaced apart from the thermoelectric module;
wherein the circuit board includes a base support, at least part of the base support being removed to thereby define an opening through the base support exposing the electrical pathways, the electrical pathways coupling the thermoelectric elements to the circuit board through the opening defined in the base support of the circuit board.
20. The circuit assembly of claim 19 , wherein the thermoelectric module is operable as a heat pump in the circuit assembly.
21. The circuit assembly of claim 19 , wherein the thermoelectric module is operable as a thermoelectric generator in the circuit assembly.
22. A circuit assembly comprising:
a circuit board comprising electrically conductive patterns and at least one electrical pathway;
a substrate comprising electrically conductive patterns; and
multiple N-type thermoelectric elements and multiple P-type thermoelectric elements disposed between the circuit board and the substrate and coupled to the electrically conductive patterns of the circuit board and the electrically conductive patterns of the substrate;
wherein a portion of the circuit board comprising the electrically conductive patterns, the substrate, and the multiple N-type and P-type thermoelectric elements defines a thermoelectric module on the circuit board, such that the circuit board forms an integral part of the thermoelectric module;
wherein the at least one electrical pathway of the circuit board is coupled to the thermoelectric module; and
wherein the circuit board supports at least one electrical component on the circuit board at a location spaced apart from the thermoelectric module.
23. The circuit assembly of claim 22 , wherein the thermoelectric module is operable as a heat pump in the circuit assembly.
24. The circuit assembly of claim 22 , wherein the thermoelectric module is operable as a thermoelectric generator in the circuit assembly.