JP2003116795A - Electronic clinical thermometer - Google Patents
Electronic clinical thermometerInfo
- Publication number
- JP2003116795A JP2003116795A JP2001319462A JP2001319462A JP2003116795A JP 2003116795 A JP2003116795 A JP 2003116795A JP 2001319462 A JP2001319462 A JP 2001319462A JP 2001319462 A JP2001319462 A JP 2001319462A JP 2003116795 A JP2003116795 A JP 2003116795A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- temperature measuring
- measuring case
- case
- black body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、主として腋下用あ
るいは舌下用の電子体温計に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to an underarm or sublingual electronic thermometer.
【０００２】[0002]
【従来の技術】従来の腋下用あるいは舌下用の電子体温
計は、一般的にサーミスタ式のものが使用されている。2. Description of the Related Art As a conventional underarm or sublingual electronic thermometer, a thermistor type is generally used.
【０００３】[0003]
【発明が解決しようとする課題】しかし、サーミスタ式
の電子体温計は、測定時間が長い（約5分）という欠点
がある。本発明は、上記問題点に鑑みてなされたもので
あり、測定精度を確保した状態で測定時間の短縮を図る
ことを目的とする。However, the thermistor type electronic clinical thermometer has a drawback that the measuring time is long (about 5 minutes). The present invention has been made in view of the above problems, and an object of the present invention is to reduce the measurement time while ensuring the measurement accuracy.
【０００４】[0004]
【課題を解決するための手段】上記した課題は、各請求
項の発明によって解決される。請求項１の電子体温計
は、体温が伝わり易く構成された測温用ケースと、その
測温用ケースの内側に形成された黒体部と、その黒体部
から放射される赤外線を検出する赤外線センサとを有す
ることを特徴とする。The above-mentioned problems can be solved by the inventions of the respective claims. The electronic thermometer according to claim 1, wherein the temperature measuring case is configured to easily transmit the body temperature, a black body portion formed inside the temperature measuring case, and an infrared ray detecting infrared rays emitted from the black body portion. And a sensor.
【０００５】本発明によると、測温用ケースは体温が伝
わり易く構成されているため、その測温用ケースが腋下
あるいは舌下に挿入されると、体温が測温用ケースに伝
わってその測温用ケースの温度が体温と等しくなる。さ
らに、測温用ケースの温度は、測温用ケースの黒体部か
ら放射される赤外線が赤外線センサで検出されることに
より測定される。即ち、測温用ケースを介して腋下ある
いは舌下の温度を間接的に赤外線センサで測定可能とな
る。このように、赤外線センサを使用して体温測定を行
えるため、従来のサーミスタ式の電子体温計と比較して
測定時間を大幅に短縮できる。また、測温用ケースの黒
体部から放射される赤外線を赤外線センサで検出する方
法のため、腋下等の水分の影響を受けることがなく、体
温を正確に測定できる。According to the present invention, since the body temperature is easily transmitted to the temperature measuring case, when the temperature measuring case is inserted into the armpit or the tongue, the body temperature is transmitted to the temperature measuring case. The temperature of the temperature measuring case becomes equal to the body temperature. Further, the temperature of the temperature measuring case is measured by detecting infrared rays emitted from the black body portion of the temperature measuring case with an infrared sensor. That is, the temperature under the armpit or under the tongue can be indirectly measured by the infrared sensor via the temperature measuring case. As described above, since the body temperature can be measured using the infrared sensor, the measurement time can be significantly shortened as compared with the conventional thermistor type electronic clinical thermometer. Further, since the infrared ray emitted from the black body portion of the temperature measuring case is detected by the infrared ray sensor, the body temperature can be accurately measured without being affected by moisture such as underarm.
【０００６】また、請求項２に示すように、測温用ケー
スを熱伝導率の高い材料で形成すれば、測温用ケースの
温度が体温と等しくなるまでの時間を短縮できる。した
がって、体温の測定時間をさらに短くできる。また、請
求項３に示すように、測温用ケースの黒体部と赤外線セ
ンサとの間に赤外線の減衰を抑える減衰抑制部材を配置
すれば、測温用ケースの黒体部と赤外線センサとを離す
ことが可能になる。このため、赤外線センサの配置の自
由度が向上する。If the temperature measuring case is made of a material having a high thermal conductivity, the time required for the temperature of the temperature measuring case to become equal to the body temperature can be shortened. Therefore, the measurement time of body temperature can be further shortened. Further, as described in claim 3, if an attenuation suppressing member that suppresses attenuation of infrared rays is arranged between the black body portion of the temperature measuring case and the infrared sensor, the black body portion of the temperature measuring case and the infrared sensor are connected. Can be separated. Therefore, the degree of freedom in arranging the infrared sensor is improved.
【０００７】[0007]
【発明の実施の形態】以下、図１〜図３に基づいて、本
発明の実施形態１に係る電子体温計の説明を行う。本実
施形態に係る電子体温計は腋下用の電子体温計であり、
図１はその電子体温計の測温用ケース等の縦断面図を表
している。また、図２は電子体温計の全体縦断面図、図
３は電子体温計の外形図を表している。本実施形態に係
る電子体温計１は、図２に示すように、収納ケース２の
先端部分に測温用ケース４を備えている。測温用ケース
４は、測温時に腋下に挿入されることで体温が伝わる部
分であり、図１に示すように、円筒部４ａとその円筒部
４ａの先端を塞ぐ半球部４ｂとから構成されている。測
温用ケース４の材料には、体温が伝わり易いように、熱
伝導率の高い薄肉の金属、例えば薄いステンレス板等が
使用される。なお、樹脂等であっても薄肉であれば使用
可能である。DETAILED DESCRIPTION OF THE INVENTION An electronic thermometer according to a first embodiment of the present invention will be described below with reference to FIGS. The electronic clinical thermometer according to the present embodiment is an electronic clinical thermometer for the armpit,
FIG. 1 shows a vertical sectional view of a temperature measuring case of the electronic thermometer. Further, FIG. 2 is an overall vertical sectional view of the electronic clinical thermometer, and FIG. 3 is an external view of the electronic clinical thermometer. As shown in FIG. 2, the electronic thermometer 1 according to the present embodiment includes a temperature measuring case 4 at the tip of the storage case 2. The temperature measuring case 4 is a portion through which body temperature is transmitted by being inserted into the armpit during temperature measurement, and as shown in FIG. Has been done. As the material of the temperature measuring case 4, a thin metal having a high thermal conductivity, such as a thin stainless plate, is used so that the body temperature can be easily transmitted. It should be noted that even a resin or the like can be used as long as it is thin.
【０００８】測温用ケース４の内壁面には黒体塗料が塗
布されており、赤外線の放射率がほぼ１になるように構
成されている。即ち、測温用ケース４の内側は黒体炉と
ほぼ等しい状態に保持されている。以後、測温用ケース
４の内側を黒体部Ｂと呼ぶことにする。なお、黒体塗料
を塗布する代わりに、測温用ケース４の内壁面を黒化処
理して黒体部Ｂを形成することも可能である。A black body paint is applied to the inner wall surface of the temperature measuring case 4 so that the emissivity of infrared rays becomes approximately 1. That is, the inside of the temperature measuring case 4 is held in a state substantially equal to that of the black body furnace. Hereinafter, the inside of the temperature measuring case 4 will be referred to as a black body portion B. Instead of applying the black body paint, it is also possible to form the black body portion B by blackening the inner wall surface of the temperature measuring case 4.
【０００９】測温用ケース４の基端部には、円筒形の導
波管５の先端５ｆが嵌め込まれている。導波管５は、黒
体部Ｂから放射された赤外線を赤外線センサ１０（図２
参照）に導くための筒体であり、その導波管５の基端部
５ｍに赤外線センサ１０が取付けられている。導波管５
は金属製であり、その内壁面は赤外線の減衰を抑えるよ
うに金メッキ処理が施されている。即ち、導波管５が本
発明の減衰抑制部材に相当する。導波管５は収納ケース
２の先端筒部２ｔに収納されており、その導波管５の基
端部が赤外線センサ１０と共にセンサフレーム６に支持
されている。センサフレーム６は、収納ケース２の先端
筒部２ｔと本体部２ｍとの間に位置決めされている。こ
こで、収納ケース２の材料には樹脂が一般的に使用され
る。なお、収納ケース２の外側の二点鎖線は、電子体温
計１の保護ケース１９を表している。At the base end of the temperature measuring case 4, a tip 5f of a cylindrical waveguide 5 is fitted. The waveguide 5 uses the infrared sensor 10 (see FIG. 2) to detect infrared rays emitted from the black body portion B.
The infrared sensor 10 is attached to the base end portion 5 m of the waveguide 5 of the tubular body. Waveguide 5
Is made of metal, and its inner wall surface is plated with gold to suppress the attenuation of infrared rays. That is, the waveguide 5 corresponds to the attenuation suppressing member of the present invention. The waveguide 5 is housed in the distal end tubular portion 2t of the housing case 2, and the base end of the waveguide 5 is supported by the sensor frame 6 together with the infrared sensor 10. The sensor frame 6 is positioned between the distal end cylinder portion 2t of the storage case 2 and the main body portion 2m. Here, resin is generally used for the material of the storage case 2. The two-dot chain line outside the storage case 2 represents the protective case 19 of the electronic thermometer 1.
【００１０】赤外線センサ１０は、黒体部Ｂから放射さ
れた赤外線の赤外線量を検出するセンサであり、例え
ば、サーモパイル、焦電センサ等が使用される。赤外線
センサ１０は、図２に示すように、収納ケース２の本体
部２ｍに収納されたプリント基板８の端部に取付けられ
ている。赤外線センサ１０の出力信号は、プリント基板
８に取付けられたオペアンプ（図示されていない）に入
力される。さらに、オペアンプで増幅された信号は、Ａ
／Ｄ変換された後、マイクロコンピュータに入力され、
そのマイクロコンピュータで体温に換算される。そし
て、換算された体温値が表示器１２に表示される。The infrared sensor 10 is a sensor for detecting the amount of infrared rays radiated from the black body portion B, and for example, a thermopile, a pyroelectric sensor or the like is used. As shown in FIG. 2, the infrared sensor 10 is attached to the end of the printed circuit board 8 housed in the main body 2m of the housing case 2. The output signal of the infrared sensor 10 is input to an operational amplifier (not shown) attached to the printed board 8. Furthermore, the signal amplified by the operational amplifier is A
After D / D conversion, it is input to the microcomputer,
It is converted into body temperature by the microcomputer. Then, the converted body temperature value is displayed on the display unit 12.
【００１１】次に、上記した電子体温計１の取扱いにつ
いて説明する。先ず、電子体温計１のＯＮ／ＯＦＦスイ
ッチ１４をＯＮし、収納ケース２の先端筒部２ｔ及び測
温用ケース４を腋下に挿入する。この状態で、腋下の温
度（体温）が熱伝導率の高い測温用ケース４に伝わり、
その測温用ケース４の温度が体温と等しい温度にまで上
昇する。測温用ケース４の温度は、その測温用ケース４
の内側に形成された黒体部Ｂから放射される赤外線が赤
外線センサ１０で検出されることにより測定される。即
ち、赤外線センサ１０の出力信号は、前述のように、オ
ペアンプに入力され、そのオペアンプで増幅された後、
Ａ／Ｄ変換され、マイクロコンピュータにて体温に換算
される。そして、換算された体温値が測定値として表示
器１２に表示される。Next, the handling of the electronic thermometer 1 described above will be described. First, the ON / OFF switch 14 of the electronic clinical thermometer 1 is turned ON, and the tip tube portion 2t of the storage case 2 and the temperature measuring case 4 are inserted under the armpit. In this state, the armpit temperature (body temperature) is transmitted to the temperature measurement case 4 having high thermal conductivity,
The temperature of the temperature measuring case 4 rises to a temperature equal to the body temperature. The temperature of the temperature measuring case 4 is the same as that of the temperature measuring case 4.
Infrared rays radiated from the black body portion B formed inside the are measured by being detected by the infrared sensor 10. That is, the output signal of the infrared sensor 10 is input to the operational amplifier and amplified by the operational amplifier as described above,
It is A / D converted and converted to body temperature by a microcomputer. Then, the converted body temperature value is displayed on the display 12 as a measured value.
【００１２】このように、本実施形態に係る電子体温計
１では、腋下あるいは舌下の温度測定を赤外線センサ１
０で行えるため、従来のサーミスタ式の電子体温計と比
較して測定時間を大幅に短縮できる。また、測温用ケー
ス４の黒体部Ｂから放射される赤外線を赤外線センサ１
０で検出する方法のため、腋下の水分等の影響を受ける
ことがなく、体温を正確に測定できる。As described above, in the electronic thermometer 1 according to the present embodiment, the infrared sensor 1 measures the temperature of the armpit or the sublingual.
Since it can be performed at 0, the measurement time can be significantly shortened as compared with the conventional thermistor type electronic thermometer. In addition, the infrared sensor 1 detects infrared rays emitted from the black body portion B of the temperature measuring case 4.
Since the detection method is 0, body temperature can be accurately measured without being affected by water in the armpit and the like.
【００１３】また、測温用ケース４を熱伝導率の高いス
テンレスで薄肉に形成しているため、測温用ケース４の
温度が体温と等しくなるまでの時間を短縮できる。した
がって、体温の測定時間がさらに短くなる。また、測温
用ケース４の黒体部Ｂと赤外線センサ１０との間に赤外
線の減衰を抑える導波管５が配置されているため、測温
用ケース４の黒体部Ｂと赤外線センサ１０とを離すこと
が可能になる。このため、赤外線センサ１０の配置の自
由度が高くなる。Further, since the temperature measuring case 4 is made of stainless steel having a high thermal conductivity so as to be thin, it is possible to shorten the time until the temperature of the temperature measuring case 4 becomes equal to the body temperature. Therefore, the measurement time of body temperature is further shortened. Further, since the waveguide 5 for suppressing the attenuation of infrared rays is arranged between the black body portion B of the temperature measuring case 4 and the infrared sensor 10, the black body portion B of the temperature measuring case 4 and the infrared sensor 10 are arranged. It is possible to separate and. Therefore, the degree of freedom in arranging the infrared sensor 10 is increased.
【００１４】なお、本実施形態に係る電子体温計１で
は、測温用ケース４の黒体部Ｂと赤外線センサ１０との
間に導波管５を設置する例を示したが、収納ケース２の
先端筒部２ｔを導波管５と近似する形状にしてその先端
筒部２ｔの内壁面に金メッキを施せば、導波管５を省略
することも可能である。また、導波管５の代わりに、光
ファイバーあるいはレンズ等を使用して測温用ケース４
の黒体部Ｂから放射された赤外線を赤外線センサ１０に
導くことも可能である。なお、本実施形態では、腋下用
の電子体温計１を例に説明したが、この構造の電子体温
計を舌下用の電子体温計として使用することも可能であ
る。In the electronic thermometer 1 according to the present embodiment, an example in which the waveguide 5 is installed between the black body portion B of the temperature measuring case 4 and the infrared sensor 10 is shown. It is also possible to omit the waveguide 5 by forming the tip cylindrical portion 2t into a shape similar to that of the waveguide 5 and gold-plating the inner wall surface of the tip cylindrical portion 2t. In addition, instead of the waveguide 5, an optical fiber or a lens is used to measure the temperature measuring case 4
It is also possible to guide the infrared rays radiated from the black body part B to the infrared sensor 10. In addition, in the present embodiment, the electronic thermometer 1 for the armpit has been described as an example, but the electronic thermometer having this structure can also be used as the electronic thermometer for the sublingual.
【００１５】[0015]
【発明の効果】本発明によると、腋下あるいは舌下の温
度測定を赤外線センサにより行えるため、従来のサーミ
スタ式と比べて測定時間を大幅に短縮できる。さらに、
測温用ケースを介して腋下及び舌下の温度を間接的に赤
外線センサで測定する方式のため、腋下あるいは舌下の
水分等の影響で誤差が生じることがなく、正確に体温を
測定できる。According to the present invention, since the temperature of the armpit or the sublingual can be measured by the infrared sensor, the measurement time can be greatly shortened as compared with the conventional thermistor type. further,
Infrared sensor indirectly measures the temperature under the armpit and under the tongue via a temperature measuring case, so there is no error due to the effects of water under the armpit or under the tongue, and the body temperature is measured accurately. it can.
【図１】本発明の実施形態１に係る電子体温計の測温用
ケース等を表す縦断面図である。FIG. 1 is a vertical sectional view showing a temperature measuring case and the like of an electronic thermometer according to a first embodiment of the present invention.
【図２】本発明の実施形態１に係る電子体温計の全体縦
断面図である。FIG. 2 is an overall vertical cross-sectional view of the electronic thermometer according to the first embodiment of the present invention.
【図３】電子体温計の外形図である。FIG. 3 is an external view of an electronic thermometer.
Ｂ 黒体部 １ 電子体温計 ２ 収納ケース ４ 測温用ケース ５ 導波管（減衰抑制部材） １０ 赤外線センサ B black body 1 Electronic thermometer 2 storage cases 4 Temperature measurement case 5 Waveguide (attenuation suppression member) 10 infrared sensor
Claims (3)
スと、 その測温用ケースの内側に形成された黒体部と、 その黒体部から放射される赤外線を検出する赤外線セン
サと、を有することを特徴とする電子体温計。1. A temperature measuring case configured to easily transmit body temperature, a black body portion formed inside the temperature measuring case, and an infrared sensor for detecting infrared rays emitted from the black body portion. An electronic thermometer characterized by having.
ことを特徴とする電子体温計。2. The electronic clinical thermometer according to claim 1, wherein the temperature measuring case is made of a material having high thermal conductivity.
の電子体温計であって、 測温用ケースの黒体部と赤外線センサとの間には、赤外
線の減衰を抑える減衰抑制部材が配置されていることを
特徴とする電子体温計。3. The electronic thermometer according to claim 1, wherein an attenuation suppressing member for suppressing attenuation of infrared rays is provided between the black body portion of the temperature measuring case and the infrared sensor. An electronic thermometer characterized by being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001319462A JP2003116795A (en) | 2001-10-17 | 2001-10-17 | Electronic clinical thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001319462A JP2003116795A (en) | 2001-10-17 | 2001-10-17 | Electronic clinical thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003116795A true JP2003116795A (en) | 2003-04-22 |
Family
ID=19137012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001319462A Pending JP2003116795A (en) | 2001-10-17 | 2001-10-17 | Electronic clinical thermometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003116795A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007301356A (en) * | 2006-04-21 | 2007-11-22 | Covidien Ag | Infrared thermometer and probe cover therefor |
| USRE43745E1 (en) | 2005-11-23 | 2012-10-16 | Tyco Healthcare Group Lp | Tympanic thermometer probe cover with film support mechanism |
| KR20150039770A (en) * | 2012-08-03 | 2015-04-13 | 세미텍 가부시키가이샤 | Contact-type infrared temperature sensor, thermal apparatus, and exhaust system |
-
2001
- 2001-10-17 JP JP2001319462A patent/JP2003116795A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE43745E1 (en) | 2005-11-23 | 2012-10-16 | Tyco Healthcare Group Lp | Tympanic thermometer probe cover with film support mechanism |
| JP2007301356A (en) * | 2006-04-21 | 2007-11-22 | Covidien Ag | Infrared thermometer and probe cover therefor |
| US8123401B2 (en) | 2006-04-21 | 2012-02-28 | Covidien Ag | Probe cover having a blackbody |
| KR20150039770A (en) * | 2012-08-03 | 2015-04-13 | 세미텍 가부시키가이샤 | Contact-type infrared temperature sensor, thermal apparatus, and exhaust system |
| JP5828033B2 (en) * | 2012-08-03 | 2015-12-02 | Ｓｅｍｉｔｅｃ株式会社 | Contact-type infrared temperature sensor, thermal equipment and exhaust system used in high temperature measurement |
| US9273586B2 (en) | 2012-08-03 | 2016-03-01 | Semitec Corporation | Contact-type infrared temperature sensor for high temperature measurement, thermal apparatus, and exhaust system |
| KR102100176B1 (en) * | 2012-08-03 | 2020-04-13 | 세미텍 가부시키가이샤 | Contact-type infrared temperature sensor, thermal apparatus, and exhaust system |
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