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发明名称
带有周期均衡器的位式PID温控仪
摘要
本实用新型是一种用于生产过程恒温控制的带有周期均衡器的位式PID温控仪。它是在现有的位式PID温控仪的输入测量电路的输出端(或设定值输出端)与时间比例器的负反馈通道之间,接入一个工作周期均衡器。只有当在测量范围的低温段工作时,且继电器吸合时周期均衡器才将一附加电压叠加在负反馈电阻上,使继电器加倍提前释放,从而使低温段的温度波动量成倍减少,而高温段则仍保持原有良好的调节品质。
申请公布号
CN2094078U
申请公布日期
1992.01.22
申请号
CN91216737.8
申请日期
1991.06.18
申请人
郑梅甫
发明人
郑梅甫
分类号
G05D23/19
主分类号
G05D23/19
代理机构
代理人
主权项
1、一种用于恒温过程控制的带有周期均衡器的位式PID温控仪,它由外壳、面板、信号灯、接线端子板,输入测量电路、设定器、偏差放大器、PID调节器、时间比例器、驱动器及显示器所组成,其特征在于在输入测量电路的输出端(或设定器输出端)与时间比例器的负反馈通道间接入工作周期均衡器。
地址
315000浙江省宁波市南站东路2号望湖大楼
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