| 摘要 |
Disclosed is a mobile terminal, comprising a housing, a middle frame, and a board on which electronic elements are disposed. The middle frame comprises a first plate and a second plate that are stacked, both the first plate and the second plate being a metal plate, peripheries of the two plates being fixedly connected and a vacuum cavity being formed therebetween. A two-phase fluid is provided in the vacuum cavity, and the inner wall of the vacuum cavity has a capillary structure. The board is connected to the first plate, to transfer heat generated by the electronic elements to the first plate, and the two-phase liquid is continuously gasified and liquefied in the vacuum cavity, so that the heat is transferred to a position, having a lower temperature, of the middle frame to dissipate the heat. Two functions, structural support and heat dissipation, can be realized by using only one component, the middle frame, so that the structure of the terminal is simplified. Heat emission is implemented by entirely relying on a hardware heat-dissipation solution, to control the temperature within a range acceptable to a user, without controlling electronic element frequencies and charging current magnitudes by using software, so as to make full use of the performance of the terminal. |
