高精密自动量热仪的长期稳定性研究  

Research on Long-term Stability of High Precision Automatic Calorimeter

作　　者：王文蓉[1] WANG Wen-rong(Guangzhou Vocational College of Technology&Business,Guangzhou 511442 China)

机构地区：[1]广州科技贸易职业学院,广东广州511442

出　　处：《自动化技术与应用》2021年第4期124-128,共5页Techniques of Automation and Applications

基　　金：广州市教育系统科研创新团队项目(编号1201610009);广东省高校科研创新团队(编号2018GKCXTD003);广州科技贸易职业学院协同育人平台(编号ZX201910)。

摘　　要：当前量热仪热容量长期稳定性和发热量稳定性存在不稳定影响因素,导致设备的长期稳定性不够理想,本文从分析当前量热仪需要满足的国标要求出发,对可能的影响环节进行了改进设计,测试结果显示发热量和热容量均高于国标要求,样机热容量长期稳定性良好,月波动约0.18%。At present,the long-term stability of calorimeter's heat capacity and calorific stability have unstable factors,resulting in the equipment's long-term stability is not stable enough.In this paper,based on the analysis of the national standard requirements that the current calorimeter needs to meet,the possible impact links are improved.The test results show that the calorific value and heat capacity are higher than the national standard,the thermal capacity of the prototype is stable for a long time,with a monthly fluctuation of about 0.18%.

关 键 词：新型量热仪 长期稳定性 恒温控制系统 自动水循环 型式评价检测 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置] TP216[自动化与计算机技术—控制科学与工程]