Thermoelectric module and refrigerator comprising same
A thermoelectric module and thermoelectric element technology, which is applied in the direction of household refrigerators, thermoelectric devices, thermoelectric device components, etc., can solve the problem of the temperature of the heating surface being lower than the indoor temperature, the temperature difference between the heat absorbing surface and the heating surface becomes large, and the thermoelectric module Reduced cooling capacity and other issues to achieve the effect of increasing heat transfer, improving solder wetting, and improving soldering stability
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no. 1 example
[0179] Figure 8 is a sectional view of the thermoelectric module according to the first embodiment of the present invention.
[0180] refer to Figure 8 , the thermoelectric module 20 of the first embodiment of the present invention may include: a thermoelectric element 40; a cold-side radiator 22 attached to the heat-absorbing surface of the thermoelectric element 40; a hot side attached to the heating surface of the thermoelectric element 40 a radiator 24; and a sealing cover 26 connecting the edges of the cold-side radiator 22 and the hot-side radiator 24.
[0181] As mentioned above, the hot-side radiator 24 may be an evaporator for letting low-temperature refrigerant flow through, but it needs to be clarified that, like the cold-side radiator 22, it may also be an evaporator with high thermal conductivity. metal components.
[0182] In detail, the thermoelectric element 40 may include: a semiconductor element part, the semiconductor element part including a P-type sem...
no. 2 example
[0198] Figure 9 is a cross-sectional view of a thermoelectric module according to a second embodiment of the present invention.
[0199] refer to Figure 9 , the thermoelectric module 20a of the second embodiment of the present invention has the following structure: two thermoelectric elements 40a, 40b are arranged between the cold side radiator 22 and the hot side radiator 24, and the two thermoelectric elements 40a, 40b are covered by the heat transfer block 27 divisions.
[0200] In addition, like the thermoelectric module 20 of the first embodiment, in the thermoelectric module 20a of the present embodiment, the sealing cover 26 surrounds the edge of the cold side radiator 22 and the edge of the hot side radiator 24, thereby blocking foreign matter from flowing into the The interior of the thermoelectric module 20a.
[0201] In addition, similar to the thermoelectric module 20 of the first embodiment, the ceramic substrate is replaced with a heat sink portion.
[0202...
no. 3 example
[0272] Figure 10 is a cross-sectional view of a thermoelectric module according to a third embodiment of the present invention.
[0273] refer to Figure 10 , in the thermoelectric module 20b of the third embodiment of the present invention, the same as the second embodiment, the idea of disposing the two thermoelectric modules 51, 52 between the cold side radiator 22 and the hot side radiator 24 is the same . However, the configurations of the two thermoelectric modules 51, 52 are slightly different.
[0274] In detail, the thermoelectric module 20b of the third embodiment may include: a cold-side radiator 22; a first thermoelectric element 51, whose heat-absorbing surface is attached to the cold-side radiator 22; a second thermoelectric element 52, whose heat-absorbing surface It is connected with the heating surface of the first thermoelectric element 51 in a heat-conductive manner; the hot side radiator 24 is attached to the heating surface of the second thermoelectr...
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