Variable-frequency refrigeration unit

The utility model discloses a frequency conversion refrigeration unit which comprises a unit shell and a separating and stretching mechanism, the separating and stretching mechanism is arranged in the unit shell and comprises two separating plates, the separating plates are respectively arranged in the unit shell, sliding grooves are formed in the tops of the separating plates, and the sliding grooves are communicated with the separating plates. The front side and the rear side of the inner wall of the sliding groove are fixedly connected through a sliding rod, a sliding block is slidably connected to the surface of the sliding rod, a push block is installed on the top of the sliding block, a pull rod is installed on the front side of the bottom of the sliding block, the front end of the pull rod penetrates through the sliding groove and extends out of the sliding groove, and a pull block is installed at the front end of the pull rod. Through mutual matching of the partition plate, the sliding grooves, the sl