4、inal temperature seemstobe notcontrolled quantityto acontrolledamount oftoday. Itispreciselybecauseofthischange highlightsthe importanceandsignificance of temperaturecontrol. And industrialproduction areusedin electricfurnace, crucible resistancefurnace andthe temperaturecontrolbox, sothe SCM hasbec
5、omeacore partner ofit, notonlycansolvethe artificialcontrol ofcomplex objects butalsocanimprovethe control precisionand not agoodindicatortherefore, themicrocomputer temperature controltechnology isbeing widely acceptedbypeople. Thisworkisthe constanttemperature controlsystemdesignof temperature, ca
6、nbeusedin productionand canalsobeusedin scientificexperiments canalsobeused inthehospital. Inthe constanttemperaturebox temperature oftenchangeto use environment, canmakethe temperature range atacertaintemperature, soastoadapttothe lifeandwork. Butalso can setthetemperature environmentinwhich youwan
7、t toachieve.Thispaper first describestheworkingprinciple ofconstanttemperature controlbox, hardwarebased software asthecoreofthe introduced, several hardware Iwould flowdiagram tointroduce, so we cane
