基于热电制冷的高性能温控系统设计_殷智勇.pdfVIP

　 .2 010 .18(6)　 　·1296 · Computer Measurement Control　 :1671-4598(2010)06-1296-02　　　　　　　:TP212.11 :A 殷智勇, 汪岳峰, 李　刚, 张琳琳, 贾文武, 张　强 ( , 　050003) : (TEC);, ;PID , VO ;- (Cohn-Coon), , 2 ;, , , 、 、 、 , 。 :;;; Design of High Performance Temperature Controlling System Based on TEC Yin Zhiyong, Wang Y efeng, Li Gang, Zhang Linlin, Jia Wenw , Zhang Qiang (Department of Optics and Electron Engineering, Ordnance Engineer College, Shijiazh ang　050003) Abstract:A temperat re controlling system based on T EC is designed.T he circ its of controlling temperat re and thermometry are in- trod ced and the drive circ it of TEC is optimized.By the w ay of increment PID control, the sy stem realized the goal of constant temperat re by itself.On the basis of Cohn-Coon form la, modeling means of temperat re controlling system is established and the infl ences of the a- rithm etic and c rrent on the tem perat re controlling system are analyzed.Considering as the res lt of test, the system can w ork fast and ac- c rately and has advantages of low cost, high integrity, rather stability and w ell ex panded.It has the good practicability. Key words:Peltier effect;T EC;temperat re phase transition;first-order pl s dead-tim e 　 V o t0 , P N , , Vo t [7] 0 , N P , VO , , 2 , , 、 。 、 、 、 、 、 TEC , [1] 。, , [2] Qc Qk 。 , 。, (thermo-el