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A heat exchanger having a thermoelectric element. A heat-generating pack defines therein a circulation space, and has a passage in an upper portion of one end and a passage in the lower portion of the opposite end. A heat-absorbing pack defines therein a circulation space, and has a passage in the l

A heat exchanger having a thermoelectric element. A heat-generating pack defines therein a circulation space, and has a passage in an upper portion of one end and a passage in the lower portion of the opposite end. A heat-absorbing pack defines therein a circulation space, and has a passage in the lower portion of one end and a passage in the upper portion of the opposite end. The heat-generating pack and the heat-absorbing pack are stacked on each other. The thermoelectric element is disposed between the heat-generating pack and the heat-absorbing pack, and has a heat-generating surface adjoining the heat-generating pack and a heat-absorbing surface adjoining the heat-absorbing pack.

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1. A heat exchanger comprising: a heat-generating pack defining therein a circulation space, the heat-generating pack having a passage in an upper portion of one end and a passage in a lower portion of an opposite end of the heat-generating pack;a heat-absorbing pack defining therein a circulation s

1. A heat exchanger comprising: a heat-generating pack defining therein a circulation space, the heat-generating pack having a passage in an upper portion of one end and a passage in a lower portion of an opposite end of the heat-generating pack;a heat-absorbing pack defining therein a circulation space, the heat-absorbing pack having a passage in a lower portion of one end and a passage in an upper portion of and opposite end of the heat-absorbing pack, wherein the heat-generating pack and the heat-absorbing pack are stacked on each other;a thermoelectric element disposed between the heat-generating pack and the heat-absorbing pack, the thermoelectric element having a heat-generating surface adjoining the heat-generating pack and a heat-absorbing surface adjoining the heat-absorbing pack; anda plurality of the heat-generating packs and a plurality of the heat-absorbing packs which alternate with each other and are stacked on one another and plurality of the thermoelectric elements which are respectively interposed between the heat-generating packs and the heat-absorbing packs,wherein the heat-generating packs and the heat-absorbing packs are stacked on one another such that the passages in one end of each of the heat-generating packs are connected to each other and the passages in the opposite end of each of the heat-generating packs are connected to each other. 2. The heat exchanger of claim 1, wherein each of the heat-generating pack and the heat-absorbing pack includes plate-shaped upper and lower surfaces, peripheries of the upper and lower surfaces adjoining and being coupled with each other. 3. The heat exchanger of claim 1, wherein the heat-generating pack and the heat-absorbing pack are stacked on top of each other such that the passages in one end and the opposite end of the heat-generating packs and the passages in one end and the opposite end of the heat-absorbing packs do not overlap each other. 4. The heat exchanger of claim 1, wherein the heat-generating packs respectively have protruding tubes on front and rear portions of the passages, the protrusions on the passages in one end of each of the heat-generating packs being connected to each other, and the protrusions on the passages in the opposite end of each of the heat-generating packs being connected to each other. 5. The heat exchanger of claim 4, wherein a thickness of each portion where opposing protruding tubes from among the protruding tubes are connected is equal to a thickness of each of the thermoelectric elements, such that the thermoelectric elements are in close contact between the heat-generating packs and the heat-absorbing packs. 6. The heat exchanger of claim 1, wherein the heat-generating packs and the heat-absorbing packs are stacked on one another such that the passages in one end of each of the heat-absorbing packs are connected to each other and the passages in the opposite end of each of the heat-absorbing packs are connected to each other. 7. The heat exchanger of claim 6, wherein the heat-absorbing packs respectively have protruding tubes on front and rear portions of the passages, the protrusions on the passages in one end of each of the heat-absorbing packs are connected to each other, and the protrusions on the passages in the opposite end of each of the heat-absorbing packs are connected to each other. 8. The heat exchanger of claim 7, wherein a thickness of each portion where opposing protruding tubes from among the protruding tubes are connected is equal to a thickness of each of the thermoelectric elements, such that the thermoelectric elements are in close contact between the heat-generating packs and the heat-absorbing packs. 9. The heat exchanger of claim 1, further comprising a heat conduction fin structure inside the circulation space of the heat-generating pack or the heat-absorbing pack, the heat conduction fin structure extending from one end toward the opposite end of the heat exchanger. 10. The heat exchanger of claim 9, wherein both ends of the heat conduction fin structure are in close contact with inner surfaces of the heat-generating pack or the heat-absorbing pack.