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公开(公告)号：US4672560A
公开(公告)日：1987-06-09
申请号：US843859
申请日：1986-03-24
申请人： Akifumi Katayama , Keijirou Mori , Satoshi Ueda
发明人： Akifumi Katayama , Keijirou Mori , Satoshi Ueda
摘要： An enthalpy calculator outputs a value of enthalpy directly calculated from two measured items such as dry bulb temperature and relative humidity, and includes: a humidity sensor for converting relative humidity into an electrical signal; a temperature sensor for converting dry bulb temperature into an electrical signal; and arithmetic units for outputting the calculated enthalpy value as an electrical signal after performing a calculation based on the signals input by the temperature sensor 12 and the humidity sensor 5 in accordance with the following equation:i=at.psi.+bt+c.psi.+dwhereina, b, c, and d are preselected constants, and:t: dry bulb temperature (.degree.C.).psi.: relative humidity (%),a, b, c, and d being selected so that .vertline.i-i.sub.0 .vertline..ltoreq.0.5 within a fixed temperature range if:i.sub.0 =0.240t+(597.3+0.441t)xandx=0.622.multidot..psi..multidot.h/P-.psi..multidot.hwhereinP: atmospheric pressure (mmHg) around the output unith: saturated vapor pressure (mmHg) under atmospheric pressure P.
摘要翻译： PCT No.PCT / JP83 / 00005 Sec。 371日期：1983年8月26日 102（e）1983年8月26日PCT提交1983年1月10日。焓计算器输出由两个测量项目（如干球温度和相对湿度）直接计算的焓值，包括：用于转换相对湿度的湿度传感器 湿度变成电信号; 用于将干球温度转换成电信号的温度传感器; 以及算术单元，用于根据以下等式，基于由温度传感器12和湿度传感器5输入的信号进行计算后输出计算出的焓值作为电信号：i = at psi + bt + cpsi + d 其中a，b，c和d是预选的常数，并且：t：干球温度（℃）psi：相对湿度（％），a，b，c和d被选择，使得| i-i0 | 在固定温度范围内，如果：i0 = 0.240t +（597.3 + 0.441t）x和x = 0.622x psi xh / P-psi xh其中P：输出单元周围的大气压力（mmHg）h：饱和蒸气 大气压下压力（mmHg）
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公开(公告)号：US4672561A
公开(公告)日：1987-06-09
申请号：US852082
申请日：1986-04-14
申请人： Akifumi Katayama , Keijirou Mori , Satoshi Ueda , Katsuhiko Suwa
发明人： Akifumi Katayama , Keijirou Mori , Satoshi Ueda , Katsuhiko Suwa
IPC分类号： G01D21/00 , G01K17/00 , G01N25/00 , G01N25/56 , G01N25/60 , G01N25/62 , G01N27/04 , G01N27/12 , G01W1/17
摘要： An enthalpy calculator unit outputs a value of enthalpy directly from two measured parameters, such as dry bulb temperature and relative humidity, and includes a humidity sensor 17 for converting a measured relative humidity into an electrical signal; temperature sensors for converting a measured temperature into electrical signals; and arithmetic units for calculating the enthalpy and for outputting electrical signal corresponding thereto after performiing a calculation based on the signals input by the sensors in accordance with the following equation:i=(ae.sup.bt -c)(t+d).psi.+mt+nwherea, b, c, d, m, and n are constants, and:t: dry bulb temperature (.degree.C.).psi.: relative humidity (%),and a, b, c, d, m, and n are selected so that .vertline.i-i.sub.0 .vertline..ltoreq.0.5 within a fixed temperture range if:i.sub.0 =0.240t+(597.3+0.441t)xx=0.622.multidot..psi..multidot.h/(P-.psi..multidot.h)whereP: atmospheric pressureh: saturated vapor pressure under the atomspheric pressure P.
摘要翻译： 焓计算器单元直接从诸如干球温度和相对湿度的两个测量参数输出焓值，并且包括用于将测量的相对湿度转换为电信号的湿度传感器17; 用于将测量的温度转换成电信号的温度传感器; 以及运算单元，用于根据以下等式，基于由传感器输入的信号进行计算，计算焓并输出与之对应的电信号：i =（aebt-c）（t + d）psi + mt + n 其中a，b，c，d，m和n为常数，t：干球温度（℃）psi：相对湿度（％），a，b，c，d，m和n为 如果：i0 = 0.240t +（597.3 + 0.441t）xx = 0.622xpsi xh /（P-psi×h），其中P：大气压力h：饱和的，在固定温度范围内为| i-i0|
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