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发明名称
改进结构的测温器
摘要
本实用新型提供一种改进结构的测温器,包括多谐振荡器、主控模块、显示模块,多谐振荡器、主控模块、显示模块依次连接,仪器采用类R-F转换频率测量温度的方法,直接把热敏电阻接到由RC构成的多谐振荡器电路中,用主控模块的CPU捕获功能来获得多谐振荡器输出信号高低电平的脉宽并同时计数,则热敏电阻Rt与捕获高低电平时的计数值的差值成正比关系,查表可得温度值,在显示模块中显示温度值。
申请公布号
CN201488835U
申请公布日期
2010.05.26
申请号
CN200920197094.0
申请日期
2009.09.16
申请人
李超
发明人
李超
分类号
G01K7/24(2006.01)I
主分类号
G01K7/24(2006.01)I
代理机构
代理人
主权项
一种改进结构的测温器,包括多谐振荡器(1)、主控模块(2)、显示模块(3),其特征在于,多谐振荡器(1)、主控模块(2)、显示模块(3)依次连接。
地址
315171 浙江省宁波市鄞州区集士港镇工业园区
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