Thermoelectric generator

A generator and thermoelectric technology, applied in the direction of thermoelectric devices, electric solid devices, circuits, etc., can solve the problems that it is difficult to increase the temperature difference of the insulating substrate of the thermoelectric module and reduce the electric energy, and achieve the effect of increasing electric energy and effective heat conduction

Inactive Publication Date: 2004-09-29
YAMAHA CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, it is difficult to increase the temperature difference between the insulating substrates of the thermoelectric modules, whereby the power generated by the thermoelectric modules is reduced

Method used

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  • Thermoelectric generator
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Examples

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Embodiment Construction

[0071] The invention will be further described by way of example with reference to the accompanying drawings.

[0072] 1. The first embodiment

[0073] Fig. 1 shows a projector 10 implementing a thermoelectric generator according to a first embodiment of the present invention. The projector 10 includes a lamp unit 20 , a lens 12 , an electronic circuit board 13 , a ballast unit 14 , and a cooling fan 15 , all of which are housed in a box-shaped housing 11 .

[0074] As shown in FIG. 2, the lamp unit 20 includes a lamp 21, a heat absorbing part 22, a thermoelectric module (or a thermoelectric converter) 23, a cooling fin 24, a Peltier element 25 for cooling, and a plurality of digital mirrors arranged therein. The device on a silicon substrate constitutes the display device 26 . The outer peripheral surface of the lamp 21 having the outer wall 21a serves as a reflector, wherein, as shown in FIGS. The sides gradually decrease in size towards their rear ends, and their rear en...

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Abstract

A thermoelectric generator (e.g., a waste heat recovery apparatus) comprises a heat absorption member made of touch pitch copper and a thermoelectric module in which a plurality of thermoelectric elements are arranged to join electrodes between a pair of insulating substrates, thus utilizing waste heat emitted from a lamp having an exterior wall. One surface of the heat absorption member is formed to match the exterior wall of the lamp, and the other surface is formed to match the thermoelectric module, which is accompanied with a heat dissipating fin, which is further cooled by a cooling fan. At least a part of the heat absorption member can be arranged close to a light emitting tube of the lamp. The thermoelectric module generates electricity based on the heat transferred thereto from the lamp via the heat absorption member.

Description

technical field [0001] The present invention relates to a thermoelectric generator (for example, a waste heat recovery device) for generating electricity using waste heat emitted from electronic devices such as lamps, and supplying the electric power to various devices such as projectors. [0002] This application claims Japanese Patent Application No. 2003-80575, No. 2003-86011, No. 2003-419342, and a Japanese Patent Application which has not yet assigned an application number (claiming priority to Japanese Patent Application No. 2003-86011) Priority, the content of the above-mentioned patent application is hereby incorporated by reference. Background technique [0003] Conventionally, thermoelectric modules (such as thermoelectric converters) that utilize the Peltier effect for thermoelectric conversion have been applied to various heating and cooling devices and power generators. A typical example of a thermoelectric module is constructed using a plurality of electrodes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V29/00H01L23/38H01L35/00H01L35/30
CPCH01L35/30H01L2924/0002F21V29/2275F21V29/004F21V29/027F21V29/677F21V29/80F21V29/74H10N10/13H01L2924/00
Inventor 堀尾裕磨星俊治橘敬久
Owner YAMAHA CORP
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