| abstract |
The utility model relates to a constant temperature Roland circle, relating to the technical field of spectrum analysis, comprising a base, a charge coupler, an entrance slit, a grating, a heating sheet A, a heating sheet B, a heating sheet C and a heating sheet D. The base in the device comprises a horizontal plate, Small semi-circular plate, connecting plate and large semi-circular plate, the heating plate D is arranged on the horizontal plate, the heating plate C is arranged on the small semi-circular plate, and the heating piece A and the heating piece B are arranged on the large semi-circular plate, and the heating piece A and the heat are generated. The sheet B, the heating sheet C and the heating sheet D keep the overall temperature of the base constant; 2. The control circuit can control the temperature of the heating sheet A, the heating sheet B, the heating sheet C and the heating sheet D, and the feedback circuit can monitor the heating sheet A. The temperature of the heating sheet B, the heating sheet C and the heating sheet D is such that the temperature difference of the entire base is prevented from being excessively deformed, and the measurement accuracy is improved. |