an electronic thermometer
An electronic thermometer and circuit board technology, applied in medical science, diagnosis, diagnostic recording/measurement, etc., can solve the problems of low thermal time constant temperature measurement speed, difficulty in infant body temperature, large test error, etc., to ensure accuracy , convenient and real-time acquisition, the effect of fast temperature measurement
Active Publication Date: 2019-01-04
XIAOGAN HUAGONG GAOLI ELECTRONICS
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Problems solved by technology
[0003] NTC thermistor is a thermosensitive ceramic component made of transition metal oxide as the main raw material and made of electronic ceramic technology. It has the characteristics of low thermal time constant and fast temperature measurement speed. Sensitive resistors are used as temperature measuring elements of thermometers, for example, in the technical scheme disclosed in the Chinese utility model patent titled "An electronic thermometer for rapid measurement at the earlobe" (application number: 201310035497.6, application date: January 30, 2013) , through the metal temperature sensor close to the skin to collect body temperature, the unpackaged bare chip of the NTC thermistor is directly connected to the metal temperature sensor, which can measure the body temperature more quickly, but this type of electronic thermometer still needs to be used manually It is in close contact with the human body, and if it is loose, it will cause large test errors, especially it is extremely difficult to accurately test the body temperature of infants and young children
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[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0030] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.
[0031] Such as figure 1 Shown is a schematic cross-sectional view of an electronic thermometer provided by the present invention, by figure 1 It can be seen that the electronic thermometer includes: a suction cup 1 and a film-type NTC temperature sensor 5 located inside the suction cup 1 .
[0032] The film-type NTC temperature sensor 5 is a structure formed outside the NTC chip 3 by hot pressing the polyurethane film 4, so that the film-type NTC temperature sensor 5 c...
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The invention is applicable to the field of temperature measuring devices and provides an electronic thermometer, comprising: a sucker and a thin-film NTC (negative temperature coefficient) temperature sensor. The thin-film NTC temperature sensor is a structure formed by hot-pressing a polyurethane film to the outside of an NTC chip; the NTC chip is disposed in the middle of the polyurethane film, an outgoing end of the thin-film NTC temperature sensor is connected with the NTC chip; two ends of the polyurethane film are symmetrically fixedly connected to the sucker so that the polyurethane film is recessed down, forming an arc shape, the outgoing end is located at the lowermost end of the thin-film NTC temperature sensor. With the sucker attaching to skin surface and the curved thin-film NTC temperature sensor located in the sucker, the curved thin-film NTC temperature sensor inside is in direct contact with skin, the need for hand holding does not exist, connection is stable, movement is rare, and temperature measuring accuracy is ensured.
Description
technical field [0001] The invention belongs to the field of temperature measuring devices, in particular to an electronic thermometer. Background technique [0002] With the development of the aging society and people's increasing emphasis on health, electronic thermometers that can detect human body surface temperature in real time and quickly are becoming more and more popular. Traditional electronic thermometers need to be measured by hand or clamped under the armpit, which takes a long time to measure. [0003] NTC thermistor is a thermosensitive ceramic component made of transition metal oxide as the main raw material and made of electronic ceramic technology. It has the characteristics of low thermal time constant and fast temperature measurement speed. Sensitive resistors are used as temperature measuring elements of thermometers, for example, in the technical scheme disclosed in the Chinese utility model patent titled "An electronic thermometer for rapid measuremen...
Claims
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IPC IPC(8): A61B5/01
Inventor阳星易敏章樊管志鹏梁凤斌刘洁
OwnerXIAOGAN HUAGONG GAOLI ELECTRONICS