JPH03118432A - Electronic clinical thermometer and manufacture thereof - Google Patents
Electronic clinical thermometer and manufacture thereofInfo
- Publication number
- JPH03118432A JPH03118432A JP1256366A JP25636689A JPH03118432A JP H03118432 A JPH03118432 A JP H03118432A JP 1256366 A JP1256366 A JP 1256366A JP 25636689 A JP25636689 A JP 25636689A JP H03118432 A JPH03118432 A JP H03118432A
- Authority
- JP
- Japan
- Prior art keywords
- cap
- insulating material
- thermistor
- sensing element
- heat insulating
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000011810 insulating material Substances 0.000 claims abstract description 32
- 239000000523 sample Substances 0.000 claims abstract description 31
- 239000000945 filler Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 25
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 20
- 239000010935 stainless steel Substances 0.000 abstract description 20
- 239000004593 Epoxy Substances 0.000 abstract description 6
- 230000004044 response Effects 0.000 abstract description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000004382 potting Methods 0.000 abstract 3
- 238000005187 foaming Methods 0.000 abstract 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 8
- 230000004043 responsiveness Effects 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は測温用プローブの先端に感温素子を内蔵した電
子体温計及びその製法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an electronic thermometer having a built-in temperature sensing element at the tip of a temperature measuring probe, and a method for manufacturing the same.
［従来の技術］
従来、この種の体温計においては、感温部を構成する感
温素子をプローブの先端に内蔵させるため、第７図に示
される方法が用いられている。第７図に示される電子体
温計３１において、中空構造のプローブ本体３２の先端
には金属キャップ３３が被冠され、２本のリード線３５
．３６に半田付けされたサーミスタが金属キャップ３３
の内部に充填された低粘度の熱伝導率の高いエポキシ系
のボッティング剤３４の中に浸された状態で固定されて
いる。また、サーミスタの外表面には、高粘度の熱伝導
率の高いエポキシ系のボッティング剤３８でディッピン
グされた膜が形成されている。[Prior Art] Conventionally, in this type of thermometer, a method shown in FIG. 7 has been used to incorporate a temperature-sensing element constituting the temperature-sensing section into the tip of the probe. In the electronic thermometer 31 shown in FIG. 7, the tip of the hollow probe body 32 is covered with a metal cap 33, and two lead wires 35
．． The thermistor soldered to the metal cap 33
It is fixed in a state of being immersed in an epoxy-based botting agent 34 with low viscosity and high thermal conductivity filled inside. Further, a film dipped with an epoxy-based botting agent 38 having high viscosity and high thermal conductivity is formed on the outer surface of the thermistor.
［発明が解決しようとする課題］
以上の構成を有する体温計は、ボッティング剤３４の容
量によって、熱応答性が決定される。このために、市場
に出されている体温計においては、金属キャップの径が
φ３．Ｏが主流である。[Problems to be Solved by the Invention] In the thermometer having the above configuration, the thermal responsiveness is determined by the volume of the botting agent 34. For this reason, in thermometers on the market, the diameter of the metal cap is φ3. O is the mainstream.
しかしながら、測定部位（腋下１口中、直腸）や被験者
の年令等を考えると、φ３．Ｏという大きさは、熱応答
性を低下させると共に、不適切で使い勝手が悪い場合が
ある。However, considering the measurement site (armpit, inside the mouth, rectum) and the age of the subject, φ3. A size of 0 lowers the thermal response and may be inappropriate and inconvenient to use.
本発明は上述した従来例の欠点に鑑みてなされたもので
あり、その目的とするところは、キャップの径に左右さ
れずに熱応答性の良い電子体温計及び製造が容易な電子
体温計の製法を提供する点にある。The present invention has been made in view of the above-mentioned drawbacks of the conventional examples, and its purpose is to provide an electronic thermometer with good heat response regardless of the diameter of the cap, and a manufacturing method for the electronic thermometer that is easy to manufacture. It is in the point of providing.
［課題を解決するための手段］
上述した課題を解決し、目的を達成するため、本発明に
係わる電子体温計は、中空状のプローブ本体の先端部に
被冠されたキャップを介して熱を感温素子に伝導させる
電子体温計において、前記キャップ内に前記感温素子を
充填剤で固定すると共に、低熱容量性の断熱材を前記感
温素子に隣接して前記充填剤中に設けたことを特徴とす
る。[Means for Solving the Problems] In order to solve the above-mentioned problems and achieve the purpose, an electronic thermometer according to the present invention senses heat through a cap that is placed on the tip of a hollow probe body. The electronic thermometer that conducts heat to the temperature element is characterized in that the temperature sensing element is fixed within the cap with a filler, and a low heat capacity heat insulating material is provided in the filler adjacent to the temperature sensing element. shall be.
また、好ましくは、前記プローブ本体の長手方向におい
て、前記断熱材と前記感温素子とが列設されているとを
特徴とする。Preferably, the heat insulating material and the temperature sensing element are arranged in a row in the longitudinal direction of the probe body.
また、好ましくは、前記プローブ本体の長平方向におい
て、前記断熱材と前記感温素子とが少なくとも一部を並
設されていることを特徴とする。Preferably, at least a portion of the heat insulating material and the temperature sensing element are arranged side by side in the longitudinal direction of the probe body.
また、好ましくは、中空状のプローブ本体の先端部に被
冠されたキャップを介して熱を感温素子に伝導させる電
子体温計の製法において、前記感温素子の表面に低粘度
の熱伝導性を有した充填剤を付着させる工程と、前記プ
ローブ本体の先端部に前記感温素子と低熱容量性を有し
た断熱材とを隣接させて取り付ける工程と、前記キャッ
プに充填された高粘度の熱伝導性を有する充填材の中に
前記感温素子及び前記断熱材を浸すようにして、前記キ
ャップを前記プローブ本体の先端部に被冠する工程とを
含む。Preferably, in the method for manufacturing an electronic thermometer in which heat is conducted to a temperature sensing element through a cap placed on the tip of a hollow probe body, the surface of the temperature sensing element is coated with low viscosity thermal conductivity. a step of adhering a filler having a high heat conductivity to the tip of the probe body, a step of attaching the temperature sensing element and a heat insulating material having a low heat capacity adjacent to each other at the tip of the probe body, and a step of adhering a filler having a high viscosity heat conductivity filled in the cap. and immersing the temperature-sensitive element and the heat insulating material in a filler having a chemical properties, and capping the tip of the probe body with the cap.
［作用］
以上の構成によれば、感温素子に隣接された低熱容量性
を有した断熱材が充填剤中の熱容量を小さくしてくれる
。[Function] According to the above configuration, the heat insulating material with low heat capacity adjacent to the temperature sensing element reduces the heat capacity in the filler.
また、プローブ本体の長手方向において、断熱材と感温
素子とを列設させたり、或は、断熱材と感温素子との一
部を並設させることによって、断熱材の取付は位置を任
意に設定することができる。In addition, by arranging the heat insulating material and the temperature sensing element in a row in the longitudinal direction of the probe body, or by arranging a part of the heat insulating material and the temperature sensing element side by side, the position of the heat insulating material can be adjusted arbitrarily. Can be set to .
また、製造時においては、キャップ内部に充填された高
粘度の熱伝導性を有する充填材の中に、感温素子と低熱
容量性を有した断熱材とを隣接させた状態で簡単に取り
付けることができる。In addition, during manufacturing, the temperature sensing element and the heat insulating material with low heat capacity can be easily attached adjacent to each other in the filler with high viscosity and thermal conductivity filled inside the cap. I can do it.
［実施例］
以下、添付図面を参照して本発明に係わる好適な実施例
を詳細に説明する。[Embodiments] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
第１図は本実施例の電子体温計１の構成を示す側断面図
である。同図において、電子体温計１は、第７図に示さ
れる従来例の電子体温計３１と同様に、中空状のプロー
ブ本体２の先端にステンレス製のキャップ３が被冠され
た外観を有している。第１図に示されるように、プロー
ブ本体２の先端には、プローブ本体２の径より小さくフ
ランジ状に形成された縁部２ａが突設されている。この
プローブ本体２の縁部２ａとステンレス製キャップ３の
縁部３ａとが嵌合結合したときに、その結合部分の外周
面に段差が生じないように、且つ、その結合部分につい
てはほぼ同一の径となるように、プローブ本体２とステ
ンレス製キャップ３は成形されている。FIG. 1 is a side sectional view showing the configuration of an electronic thermometer 1 of this embodiment. In the same figure, an electronic thermometer 1 has an appearance in which a stainless steel cap 3 is placed on the tip of a hollow probe body 2, similar to the conventional electronic thermometer 31 shown in FIG. . As shown in FIG. 1, a flange-shaped edge 2a having a diameter smaller than the diameter of the probe body 2 projects from the tip of the probe body 2. As shown in FIG. When the edge 2a of the probe body 2 and the edge 3a of the stainless steel cap 3 are fitted and connected, the connecting portion is made so that there is no step on the outer circumferential surface of the connecting portion, and the connecting portion is approximately the same. The probe body 2 and the stainless steel cap 3 are molded to have the same diameter.
ステンレス製キャップ３内部には、キャップ周辺の堅牢
性及び防水性を得るために、低粘度の熱伝導率の高いエ
ポキシ系のボッティング剤４が充填されている。このボ
ッティング剤４として、日本ベルノックス株式会社製の
ＭＥ１０５（主剤）、ＸＨ−１７１６−１（硬化剤）で
粘度６゜２００ｃｐｓが使用される。そして、ステンレ
ス製キャップ３内部の先端部には、一対の平行なリード
線５．６の先端にサーミスタチップ（サーミスタ）７が
ボッティング剤４に浸された状態で内蔵されている。こ
のサーミスタ７の表面には、予め高粘度の熱伝導性の高
いエポキシ系のボッティング剤８による膜が形成されて
いる。このボッティング剤８として、グレースジャパン
株式会社製のスタイキャスト２８５０ＦＴ （主剤）、
＃９（硬化剤）で粘度９０，０ＯＯｃｐｓが使用される
。そして、プローブ本体２の長手方向において、サーミ
スタ３の後方に列を連ねるように、独立気泡型のウレタ
ン製スポンジ（発泡率８０％）から成る低熱容量性を有
した断熱材９が取り付けられている。The interior of the stainless steel cap 3 is filled with an epoxy-based botting agent 4 having low viscosity and high thermal conductivity in order to provide robustness and waterproofness around the cap. As the botting agent 4, ME105 (main agent) and XH-1716-1 (curing agent) manufactured by Nippon Bellnox Co., Ltd. with a viscosity of 6° and 200 cps are used. A thermistor chip (thermistor) 7 is housed at the tip of a pair of parallel lead wires 5.6 in a state of being immersed in the botting agent 4 at the tip inside the stainless steel cap 3. On the surface of this thermistor 7, a film of a high viscosity and highly thermally conductive epoxy botting agent 8 is formed in advance. As this botting agent 8, Stycast 2850FT (main agent) manufactured by Grace Japan Co., Ltd.
#9 (curing agent) with a viscosity of 90.0 OO cps is used. In the longitudinal direction of the probe body 2, a heat insulating material 9 having a low heat capacity and made of closed-cell urethane sponge (expansion rate: 80%) is attached in a row behind the thermistor 3. .
次に、電子体温計１の製造方法について説明する。尚、
電子体温計が具備するその他の電子回路等の構成及び配
置においては、本発明の趣旨から逸脱してしまうため、
説明を省略する。Next, a method for manufacturing the electronic thermometer 1 will be explained. still,
Since the configuration and arrangement of other electronic circuits included in the electronic thermometer deviate from the spirit of the present invention,
The explanation will be omitted.
第２図はステンレス製キャップ３内部でのリード線５，
６付きのサーミスタ７と断熱材９との組み合せ時の対応
位置を示す拡散分解図、第３図は第２図に示されるリー
ド線５．６付きのサーミスタ７と断熱材９との組み立て
時の長手方向の断面形状のみを示す断面図である。第２
図に示されるように、はぼ円柱状の形状を有した断熱材
９は、内部に切り込まれた２本の平行した溝９ａ、９ｂ
を有している。溝９ａ、９ｂは、リード線５．６をそれ
ぞれ遊挿できる幅と距離とを有すると共に、第３図に示
されるように、矢印Ｃで示されるセンターライン近傍ま
で切り込まれている。Figure 2 shows the lead wire 5 inside the stainless steel cap 3.
3 is a diffusion exploded view showing the corresponding positions when the thermistor 7 with the lead wire 5.6 and the heat insulating material 9 are assembled as shown in FIG. FIG. 3 is a cross-sectional view showing only the cross-sectional shape in the longitudinal direction. Second
As shown in the figure, the heat insulating material 9 having a substantially cylindrical shape has two parallel grooves 9a and 9b cut inside.
have. Grooves 9a and 9b have widths and distances that allow the lead wires 5.6 to be loosely inserted therein, and are cut to the vicinity of the center line indicated by arrow C, as shown in FIG.
ま゛ず、第２図を用いてリード線５．６付きのサーミス
タ７の作成方法について述べる。First, a method for manufacturing the thermistor 7 with lead wires 5 and 6 will be described using FIG.
サーミスタ７はチップ状に切出された形状を有し、接着
剤２０等で平行状態が保持されたリード線５．６と半田
付けされる面には銀または半田によって電極が形成され
る。この形成の後に、半田槽へのデイツプまたはレーザ
光によるクリーム半田等の半田付けによって、サーミス
タフにリード線５．６の半田付けが行われる。その後、
ボッティング剤８でサーミスタ７の外周面を被覆する作
業が行われる。この場合、リード線５．６付きのサーミ
スタ７はボッティング剤８でディッピングされ、ボッテ
ィング剤８が硬化したところで、第３図に示されるよう
に、リード線５．６付きのサーミスタ７と断熱材９との
組み合せが行われる。このようにして組み合わされた部
品はサーミスタ７が露出するようにプローブ本体２の内
部に取り付けられる。この後に、ボッティング剤４を充
填した状態のステンレス製キャップ３は、ボッティング
剤４にサーミスタ７を埋め込むようにして、プローブ本
体２に被冠される。そして、ステンレス製キャップ３内
のボッティング剤４が充分に硬化したところで、本実施
例の電子体温計１の製造工程が完了する。The thermistor 7 has a cut-out chip shape, and electrodes are formed using silver or solder on the surface to be soldered to the lead wires 5.6, which are kept parallel with an adhesive 20 or the like. After this formation, the lead wires 5 and 6 are soldered to the thermistough by dipping into a solder tank or by soldering with cream solder or the like using laser light. after that,
An operation of coating the outer peripheral surface of the thermistor 7 with the botting agent 8 is performed. In this case, the thermistor 7 with the lead wire 5.6 is dipped in the botting agent 8, and after the botting agent 8 has hardened, the thermistor 7 with the lead wire 5.6 is insulated with the thermistor 7 with the lead wire 5.6, as shown in FIG. A combination with material 9 is performed. The parts assembled in this way are attached inside the probe body 2 so that the thermistor 7 is exposed. Thereafter, the stainless steel cap 3 filled with the botting agent 4 is placed on the probe body 2 so that the thermistor 7 is embedded in the botting agent 4. Then, when the botting agent 4 inside the stainless steel cap 3 is sufficiently hardened, the manufacturing process of the electronic thermometer 1 of this embodiment is completed.
次に、上述した電子体温計１と従来の電子体温計３１
（第７図）とを比較する。Next, the above-mentioned electronic thermometer 1 and the conventional electronic thermometer 31
(Figure 7).
電子体温計１及び３１に共通して、通常、ステンレス製
キャップ（３，３３）の内部に高粘度のボッティング剤
（４，３４）がほぼ−杯に充填された状態でプローブ本
体（２，３２）との組み合せが行われる。この理由は、
ステンレス製キャップ（３，３３）周辺の部分に堅牢性
及び防水性を与えるためである。この場合、第１図及び
第７図に示されるように、ボッティング剤４．３４は、
それぞれキャップ先端より矢印ＳやＴで示される位置ま
で充填される。Common to the electronic thermometers 1 and 31, the probe body (2, 32) is usually filled with a high viscosity botting agent (4, 34) inside the stainless steel cap (3, 33). ) is used in combination. The reason for this is
This is to provide robustness and waterproofness to the area around the stainless steel caps (3, 33). In this case, as shown in FIGS. 1 and 7, the botting agent 4.34 is
The caps are filled up to the positions indicated by arrows S and T from the tip of each cap.
ところが、従来の電子体温計３１の場合には、ステンレ
ス製キャップ３３周辺の部分における堅牢性及び防水性
は得ても充分な熱応答性を得ることはできなかった。こ
れに対して、本実施例の電子体温計１の場合、ステンレ
ス製キャップ３３周辺部分の堅牢性及び防水性を得るた
めのボッティング剤４は上記電子体温計３１の場合と同
様に充分に充填され、さらに、断熱材９が熱応答性の低
下を防いでくれる。However, in the case of the conventional electronic thermometer 31, although the portion around the stainless steel cap 33 has good robustness and waterproofness, it has not been possible to obtain sufficient thermal responsiveness. On the other hand, in the case of the electronic thermometer 1 of this embodiment, the botting agent 4 for obtaining robustness and waterproofness around the stainless steel cap 33 is sufficiently filled as in the case of the electronic thermometer 31 described above. Furthermore, the heat insulating material 9 prevents a decrease in thermal responsiveness.
以上説明したように、本実施例によれば、キャップの径
に左右されずに熱容量を一定に定めることができると共
に、測定部位に応じてキャップの径を任意に決めても充
分な熱応答性を得ることができる。As explained above, according to this embodiment, the heat capacity can be fixed at a constant level regardless of the diameter of the cap, and even if the diameter of the cap is arbitrarily determined depending on the measurement site, sufficient thermal response can be achieved. can be obtained.
また、簡単な製造方法でキャップの径に左右されない熱
応答性の良い電子体温計を提供することができる。Further, it is possible to provide an electronic thermometer with good thermal responsiveness that is not affected by the diameter of the cap using a simple manufacturing method.
さて、上述した実施例では、プローブ本体２の長手方向
において、サーミスタ７と断熱材９とが一列に並ぶよう
に取り付けられていたが、本発明はこれに限定されるも
のではなく、平行して並ぶように取り付けても良い。そ
こで、以下に本発明の他の実施例について説明する。Now, in the above-mentioned embodiment, the thermistor 7 and the heat insulating material 9 were attached in a line in the longitudinal direction of the probe body 2, but the present invention is not limited to this, and they are attached in parallel. They may be installed side by side. Therefore, other embodiments of the present invention will be described below.
この実施例では、上述した実施例と異なる点として、断
熱材（参照番号を１０とする）の形状及びその取付は位
置があり、その他の構成については同様のため、同一番
号を付すことで説明を省略する。In this example, the difference from the above-mentioned example is the shape of the heat insulating material (reference number 10) and its mounting position, and other configurations are the same, so the same numbers will be used for explanation. omitted.
第４図は他の実施例のステンレス製キャップ３内部での
リード線５．６付きのサーミスタ７と断熱材１０との組
み合せ時の対応位置を示す拡散分解図である。第５図は
他の実施例の電子体温計２１の構成を示す側断面図、第
６図は第５図のＰ−Ｐ”断面図である。FIG. 4 is an exploded diffusion diagram showing the corresponding positions of the thermistor 7 with lead wires 5, 6 and the heat insulating material 10 in combination inside the stainless steel cap 3 of another embodiment. FIG. 5 is a side sectional view showing the configuration of an electronic thermometer 21 of another embodiment, and FIG. 6 is a sectional view taken along line PP'' in FIG.
第４図に示されるように、円柱状に形成された断熱材１
０は、長手方向において前面の左半面から前方に突設さ
れた舌状の凸部１０ｃと、断熱材９と同様の条件で切り
込まれた２本の溝１０８゜１０ｂとを有している。組み
合わせ時には、凸部１０ｃとサーミスタ７とが長手方向
において並設されることから、溝１０ａ、１０ｂの切り
込み量は最大でも凸部１０ｃに到達する位置までとなる
。As shown in FIG. 4, the heat insulating material 1 is formed into a columnar shape.
0 has a tongue-shaped convex portion 10c projecting forward from the left half of the front surface in the longitudinal direction, and two grooves 108° 10b cut under the same conditions as the heat insulating material 9. . When assembled, since the convex portion 10c and the thermistor 7 are arranged side by side in the longitudinal direction, the amount of cutting of the grooves 10a, 10b is at most up to the position where the convex portion 10c is reached.
上記構成の断熱材１０を用いて電子体温計２１を製造す
る工程は、前述した電子体温計１の場合と同様のため説
明を省略するが、製造が完了したときのステンレス製キ
ャップ３内部の配置は、第５図及び第６図に示されるよ
うに、プローブ本体２の長手方向において、サーミスタ
７と断熱材１０の一部、即ち、凸部１０ｃとが並設され
るように設定される。The process of manufacturing the electronic thermometer 21 using the heat insulating material 10 with the above configuration is the same as that of the electronic thermometer 1 described above, so the explanation will be omitted, but the arrangement inside the stainless steel cap 3 when the manufacturing is completed is as follows: As shown in FIGS. 5 and 6, the thermistor 7 and a portion of the heat insulating material 10, ie, the convex portion 10c, are arranged in parallel in the longitudinal direction of the probe body 2.
以上の構成を有した電子体温計２１では、前述の実施例
がステンレス製キャップ３先端から受熱が行われるのに
対して、ステンレス製キャップ３の側面から受熱が行わ
れる。In the electronic thermometer 21 having the above configuration, heat is received from the side surface of the stainless steel cap 3, whereas heat is received from the tip of the stainless steel cap 3 in the above embodiment.
体温の測定箇所が腋の下の場合、体と腋とで体温計を挟
み込む形となるため、側面からの受熱も多いので、前述
した実施例と同様の作用・効果を得ることができる。When the body temperature is measured in the armpit, the thermometer is sandwiched between the body and the armpit, so that more heat is received from the sides, so the same effects and effects as in the embodiment described above can be obtained.
［発明の効果］
以上説明したように本発明によれば、キャップの径に左
右されずに熱容量を一定に定めることができると共に、
測定部位に応じてキャップの径を任意に決めても充分な
熱応答性を得ることができる。[Effects of the Invention] As explained above, according to the present invention, the heat capacity can be fixed at a constant level regardless of the diameter of the cap, and
Sufficient thermal responsiveness can be obtained even if the diameter of the cap is arbitrarily determined depending on the measurement site.
また、簡単な製造方法でキャップの径に左右されない熱
応答性の良い電子体温計を提供することができる。Further, it is possible to provide an electronic thermometer with good thermal responsiveness that is not affected by the diameter of the cap using a simple manufacturing method.
第１図は本実施例の電子体温計１の構成を示す側断面図
、
第２図は本実施例のステンレス製キャップ３内部でのリ
ード線５．６付きのサーミスタ７と断熱材９との組み合
せ時の対応位置を示す拡散分解図、
第３図は第２図に示されるリード線５．６付きのサーミ
スタ７と断熱材９との組み立て時の長手方向の断面形状
のみを示す断面図、
第４図は他の実施例のステンレス製キャップ３内部での
リード線５，６付きのサーミスタ７と断熱材１０との組
み合せ時の対応位置を示す拡散分解図、
第５図は他の実施例の電子体温計２１の構成を示す側断
面図、
第６図は第５図のＰ−Ｐ’断面図、
第７図は従来の電子体温計３１の構成を示す側断面図で
ある。
図中、１，２１．３１・・・電子体温計、２・・・プロ
ーブ本体、２ａ、３ａ・・・縁部、３・・・ステンレス
製キャップ、４．８・・・ボッティング剤、５゜６・・
・リード線、７・・・サーミスタ、９，１０・・・断熱
材、９ａ、９ｂ、１０ａ、１０ｂ・・・溝、１０ｃ・・
・凸部、２０・・・接着剤である。FIG. 1 is a side sectional view showing the configuration of the electronic thermometer 1 of this embodiment, and FIG. 2 is a combination of the thermistor 7 with lead wire 5.6 and the heat insulating material 9 inside the stainless steel cap 3 of this embodiment. 3 is a sectional view showing only the longitudinal cross-sectional shape of the thermistor 7 with the lead wire 5.6 shown in FIG. 2 and the heat insulating material 9 when assembled; Figure 4 is a diffusion exploded view showing the corresponding positions of the thermistor 7 with lead wires 5 and 6 and the heat insulating material 10 in combination inside the stainless steel cap 3 of another embodiment, and Figure 5 is an exploded view of the other embodiment. 6 is a sectional side view showing the configuration of the electronic thermometer 21. FIG. 6 is a sectional view taken along line PP' in FIG. 5. FIG. 7 is a side sectional view showing the configuration of the conventional electronic thermometer 31. In the figure, 1, 21. 31... Electronic thermometer, 2... Probe body, 2a, 3a... Edge, 3... Stainless steel cap, 4.8... Botting agent, 5° 6...
・Lead wire, 7...Thermistor, 9, 10...Insulating material, 9a, 9b, 10a, 10b...Groove, 10c...
- Convex portion, 20... adhesive.
Claims (4)
ップを介して熱を感温素子に伝導させる電子体温計にお
いて、 前記キャップ内に前記感温素子を充填剤で固定すると共
に、低熱容量性の断熱材を前記感温素子に隣接して前記
充填剤中に設けたことを特徴とする電子体温計。(1) In an electronic thermometer that conducts heat to a temperature sensing element through a cap that is placed on the tip of a hollow probe body, the temperature sensing element is fixed within the cap with a filler, and the temperature sensing element has a low heat capacity. 1. An electronic thermometer, characterized in that a heat insulating material is provided in the filler adjacent to the temperature sensing element.
材と前記感温素子とが列設されていることを特徴とする
請求項第１項記載の電子体温計。(2) The electronic thermometer according to claim 1, wherein the heat insulating material and the temperature sensing element are arranged in a row in the longitudinal direction of the probe body.
材と前記感温素子とが少なくとも一部を並設されている
ことを特徴とする請求項第１項記載の電子体温計。(3) The electronic thermometer according to claim 1, wherein at least a portion of the heat insulating material and the temperature sensing element are arranged side by side in the longitudinal direction of the probe body.
ップを介して熱を感温素子に伝導させる電子体温計の製
法において、 前記感温素子の表面に低粘度の熱伝導性を有した充填剤
を付着させる工程と、 前記プローブ本体の先端部に前記感温素子と低熱容量性
を有した断熱材とを隣接させて取り付ける工程と、 前記キャップに充填された高粘度の熱伝導性を有する充
填材の中に前記感温素子及び前記断熱材を浸すようにし
て、前記キャップを前記プローブ本体の先端部に被冠す
る工程とを含む電子体温計の製法。(4) In the manufacturing method of an electronic thermometer in which heat is conducted to a temperature sensing element through a cap placed on the tip of a hollow probe body, the surface of the temperature sensing element has low viscosity thermal conductivity. a step of adhering a filler; a step of adhering the temperature sensing element and a heat insulating material having low heat capacity to the tip of the probe body; and a step of adhering a high viscosity thermal conductive material filled in the cap. A method for manufacturing an electronic thermometer, the method comprising the step of: immersing the temperature sensing element and the heat insulating material in a filler containing the probe body, and capping the tip of the probe body with the cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1256366A JPH03118432A (en) | 1989-09-29 | 1989-09-29 | Electronic clinical thermometer and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1256366A JPH03118432A (en) | 1989-09-29 | 1989-09-29 | Electronic clinical thermometer and manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03118432A true JPH03118432A (en) | 1991-05-21 |
Family
ID=17291688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1256366A Pending JPH03118432A (en) | 1989-09-29 | 1989-09-29 | Electronic clinical thermometer and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03118432A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999056292A1 (en) * | 1998-04-27 | 1999-11-04 | Square D Company | A protective containment apparatus for potted electronic circuits |
| US6338571B1 (en) * | 2000-02-03 | 2002-01-15 | Min-Ying Chen | Rapid heat conducting structure of an electronic thermometer |
| US6676290B1 (en) * | 2002-11-15 | 2004-01-13 | Hsueh-Yu Lu | Electronic clinical thermometer |
| JP2007024596A (en) * | 2005-07-13 | 2007-02-01 | Terumo Corp | Electronic thermometer |
| DE10211034B4 (en) * | 2001-03-14 | 2009-04-02 | Denso Corp., Kariya-shi | temperature sensor |
| JP2010223830A (en) * | 2009-03-24 | 2010-10-07 | Denso Corp | Liquid property sensor |
| WO2011111512A1 (en) | 2010-03-10 | 2011-09-15 | オムロン株式会社 | Electronic part, method of manufacture for electronic part and digital thermometer |
| US8059947B2 (en) | 2007-10-29 | 2011-11-15 | Smiths Medical Asd, Inc. | Environmentally protected thermistor for respiratory system |
| US8303173B2 (en) * | 2007-10-29 | 2012-11-06 | Smiths Medical Asd, Inc. | Dual potting temperature probe |
| US20130188666A1 (en) * | 2010-09-17 | 2013-07-25 | Omron Healthcare Co., Ltd. | Electronic thermometer and method for manufacturing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999056292A1 (en) * | 1998-04-27 | 1999-11-04 | Square D Company | A protective containment apparatus for potted electronic circuits |
| US6338571B1 (en) * | 2000-02-03 | 2002-01-15 | Min-Ying Chen | Rapid heat conducting structure of an electronic thermometer |
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| US8059947B2 (en) | 2007-10-29 | 2011-11-15 | Smiths Medical Asd, Inc. | Environmentally protected thermistor for respiratory system |
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| JP2010223830A (en) * | 2009-03-24 | 2010-10-07 | Denso Corp | Liquid property sensor |
| WO2011111512A1 (en) | 2010-03-10 | 2011-09-15 | オムロン株式会社 | Electronic part, method of manufacture for electronic part and digital thermometer |
| US20130188666A1 (en) * | 2010-09-17 | 2013-07-25 | Omron Healthcare Co., Ltd. | Electronic thermometer and method for manufacturing the same |
| US9316544B2 (en) * | 2010-09-17 | 2016-04-19 | Omron Healthcare Co., Ltd. | Electronic thermometer and method for manufacturing the same |
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