Body temperature fast measuring equipment and method therefor
A technology of temperature measurement and measurement device, applied in the directions of diagnostic recording/measurement, medical science, special data processing applications, etc., can solve problems such as errors, and achieve the effect of improving accuracy, reducing consistency requirements, and improving prediction accuracy
Active Publication Date: 2010-12-22
SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
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Problems solved by technology
Through the above (2), (3) calculation equations, and related experimental parameters, the prediction of the temperature to be measured can be realized, but the temperature predicted by this temperature prediction method is due to the difference between the temperature curve and the real temperature curve. There is an error, so there is an error between the predicted stable temperature and the real stable temperature of the measured object
And because there is a certain difference in the manufacture of the probe temperature sensor, there will be more or less errors between the temperature predicted by the above-mentioned classic method and the real temperature
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The invention discloses a quick body temperature measuring device and the temperature measuring method. The method includes the following steps: sample the temperature sensed by the probe of the quick body temperature measuring device and record the sampled temperature data and the corresponding sampling time; precisely differentiate the temperature data and then logarithm and get logarithm to make the temperature curve approximately to be a straight line, after that work out the slope L of the straight line; choose two sampling time points t1,t2 and the two corresponding temperature valuesT1,T2; work out the stable temperature of the testing target object according to the formula. Added with a modifying factor Alpha on the curve of the temperature rising, the invention has a better effect in reflecting the actual rising of the temperature, thus improving the estimation accuracy, reducing the requirements to the consistency of the probe and improving estimation precision.
Description
【Technical field】 The invention relates to a temperature measurement method, in particular to a temperature measurement method used in a rapid body temperature measurement device. 【Background technique】 Human body temperature measurement is divided into two categories according to the form of temperature probe: one is direct contact, which uses heat balance method to obtain body temperature. The probe can be thermistor, platinum resistor, mercury, etc. This method is currently the standard method for body temperature measurement. This is because it takes a certain amount of time to reach thermal equilibrium, so the measurement takes a long time. The other type is non-contact, which uses the heat radiation of the human body to obtain body temperature. The probe can be an infrared sensor, etc. This method is characterized by short measurement time, but large measurement errors. The body temperature measurement for medical diagnosis generally adopts the first type of method t...
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IPC IPC(8): A61B5/01G06F19/00
Inventor 叶继伦阳范青马小建岑建邹建王兵
Owner SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD