Abstract: Electronic equipment includes a body case, a control unit, a partition board, and a heat exchanger attached to the partition board. The heat exchanger includes a hot-air passage for carrying hot air heated in the body case; a first blower for blowing the hot air into the hot-air passage; a cool-air passage for carrying cooling air from outside the body case, the cooling air being lower in temperature than the hot air; and a second blower for blowing the cooling air into the cool-air passage.

Abstract: A cooling unit includes a partition board, a heat exchanger, and a blower. The partition board is disposed on one of a plurality of surfaces of an electronic device so as to partition the inner and the outer side of the electronic device. The heat exchanger is disposed on the outer side so as to exchange heat generated by the electronic device with outside air. The blower is disposed on the outer side. The heat exchanger includes hot-air passage bodies and air pathways. The hot-air passage bodies include a plurality of air passages arranged side by side at predetermined intervals in such a manner as to connect a first vent and a second vent of the partition board on the outer side. The blower blows air of the inner side from the first vent to the second vent through the hot-air passage bodies.