| 摘要 |
An improved structure of a burn-in oven includes a housing, a loading support, a cooling-fan assembly, and a motor-fan assembly. A circuit-board-space and an exhaust channel are defined inside of the housing, wherein the exhaust channel is provided with a plurality of venting holes such that the circuit-board-space and the exhaust channel are communicated with each other through the venting holes. The loading support is disposed in the circuit-board-space for loading a plurality of circuit boards. The cooling-fan assembly is arranged at one side of the loading support and beside the exhaust channel. The motor-fan assembly is arranged at the exhaust channel. Thereby, a phenomenon of heat accumulation locally at a back panel side of the oven can be improved so as to enhance cooling effect of the oven, let alone the number of fans installed on the oven can be decreased.
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