Semitransparent alumina ceramic electric arc tube

The utility model discloses a semitransparent alumina ceramic electric arc tube, comprising a firing rack, a first housing and a second housing, the inner walls of the first housing and the second housing are both provided with electrode blocks, one end of each electrode block is fixedly connected with an electrode lead, the upper end of the first housing is fixedly connected with an insertion ring, and the upper end of the second housing is fixedly connected with an electrode lead. An inserting ring groove matched with the inserting ring is formed in the lower end of the second shell, an inserting groove is formed in the inner wall of the inserting ring groove, a plug pin is inserted into the inner wall of the inserting groove, a plug pin hole matched with the plug pin is formed in the surface of the inserting ring, and a mounting groove is formed in the upper surface of the firing frame. According to the semitransparent aluminum oxide ceramic electric arc tube, the first shell and the second shell are arran