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Electronic thermometer and method for measuring body temperature

An electronic thermometer and thermometer technology, applied in body temperature measurement, thermometers, measuring devices, etc., can solve problems such as inability to derive deep body temperature

Active Publication Date: 2015-08-19
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to lateral heat movement in the body, the peripheral part of the thermometer is cooler than the central part, and due to this effect, an accurate deep body temperature may not be derived

Method used

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  • Electronic thermometer and method for measuring body temperature
  • Electronic thermometer and method for measuring body temperature
  • Electronic thermometer and method for measuring body temperature

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0100] Figure 5 It is a figure which shows the structure of the thermometer main body 10 of this Example. in addition, Figure 5 (A) is a perspective view of the thermometer main body 10, Figure 5 (B) is a sectional view of the thermometer main body 10, Figure 5 (C) is a diagram showing an arrangement example of the calibration body surface sensors 20C, 20D, and 20E.

[0101] Such as Figure 5 As shown in (A), the thermometer main body 10 has a stepped upper surface and has a thin cylindrical shape. Such as Figure 5 As shown in (B), the thermometer main body 10 has body surface sensors 20A, 20B as temperature sensors (thin film thermistors), body surface sensors 20C, 20D, 20E for calibration, and first and second heat dissipation control parts 18A, 18B. The thermometer main body 10 is configured by attaching the second heat dissipation control part 18B having different thermal conductivity to the upper half of the first heat dissipation control part 18A, and the temp...

Embodiment 2

[0113] Figure 11 It is a figure which shows the structure of the thermometer main body 10 of this Example. in addition, Figure 11 (A) is a perspective view of the thermometer main body 10, Figure 11 (B) is the figure which cuts out the temperature measurement part 46, Figure 11 (C) and (D) are cross-sectional views of the thermometer main body 10 .

[0114] Thermometer main body 10 such as Figure 11 As shown in (A), the temperature measuring part is surrounded by the heat insulating part 18, and heat is transmitted one-dimensionally. Thermometer main body 10 such as Figure 11 As shown in (B), the thermal resistance of the temperature measurement part 46 is equal, but the first and second heat dissipation control parts 18A and 18B, which are materials with different thermal conductivity, are provided at the parts in contact with the outside air so that the temperature distribution is different. . For example Figure 11 As shown in (C), the first and second heat ra...

Embodiment 3

[0125] Figure 16 It is a cross-sectional view showing body surface temperature distribution when the thermometer main body 10 of this embodiment is worn, and a diagram showing an arrangement example. Figure 17 It is a diagram showing an arrangement example of the calibration body surface sensors 20C, 20D, and 20E of this embodiment. in addition, Figure 16 (A) is a sectional view showing the body surface temperature distribution when the thermometer main body 10 is worn, Figure 16 (B) and (C) are diagrams showing arrangement examples of the calibration body surface sensors 20C, 20D, and 20E.

[0126] Such as Figure 16 As shown in (A), body surface sensors 20C, 20D, and 20E for calibration are added to detect Figure 12 (B) A graph showing the temperature distribution of only the heat insulating portion 18 . Such as Figure 16 As shown in (B), at this time, the body surface sensors 20C, 20D, and 20E for calibration and the temperature measurement unit 46 are arranged ...

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Abstract

An electronic thermometer includes first and second body surface temperature measurement portions to measure first and second values of a measurement object, first and second reference temperature measurement portions to measure values at each position having a predetermined thermal resistance relative to a measurement position of the first and second values, and having a first and second thermal resistance relative to the open air, third temperature measurement portion to measure a third value at a different position from the previous values, correction portion to correct the obtained values; and core body temperature calculation portion to calculate a value of the object using the obtained values.

Description

technical field [0001] The invention relates to an electronic thermometer and a method for measuring body temperature. Background technique [0002] When measuring body temperature, it is necessary to keep the thermometer under the tongue, armpit, rectum, etc. until the thermometer and body temperature are in temperature equilibrium. These are places that reflect the body's internal temperature called deep temperature, and are performed as general body temperature measurement. On the other hand, in a continuous deep thermometer worn continuously on the body surface, there is a method in which a heater is mounted, and the temperature at which the heat flow from the deep part of the body is equal to the heat flow from the heater is taken as the deep body temperature. However, since the heater is installed, the electric power is increased, and the size of the device is increased due to the need for control, so it cannot be used continuously on a daily basis. Therefore, non-he...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/01
CPCG01K7/42A61B5/01A61B5/6833A61B5/0008G01K13/002A61B2560/0252G01K7/427G01K13/20A61B5/7235
Inventor 后藤健次
Owner SEIKO EPSON CORP
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