Energy-saving constant-temperature dehumidifier

The utility model discloses an energy-saving constant-temperature dehumidifier which comprises a shell, the shell is of a rectangular pipeline structure, protective plates are symmetrically arranged at openings in the two sides of the shell, a partition plate is arranged in the middle of the interior of the shell, a first fresh air inlet is formed in the upper end of one side of the shell, and a second fresh air inlet is formed in the lower end of the other side of the shell; humidifier connecting pipes are symmetrically arranged at the positions, at the height of the first fresh air inlet, of the other side of the shell, and temperature and humidity transmitters are arranged in the humidifier connecting pipes. And the condensation fin plate is installed on the side, close to the first fresh air inlet, of the upper end of the partition plate, and first filter plates are arranged on one side of the condensation fin plate at equal intervals. According to the energy-saving constant-temperature dehumidifier, by c