JP2000254103A5 - - Google Patents
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- JP2000254103A5 JP2000254103A5 JP1999064808A JP6480899A JP2000254103A5 JP 2000254103 A5 JP2000254103 A5 JP 2000254103A5 JP 1999064808 A JP1999064808 A JP 1999064808A JP 6480899 A JP6480899 A JP 6480899A JP 2000254103 A5 JP2000254103 A5 JP 2000254103A5
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- light guide
- temperature
- guide means
- infrared sensor
- radiation thermometer
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- 230000003287 optical Effects 0.000 description 7
- 238000004078 waterproofing Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 230000001070 adhesive Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 測温対象から放射された赤外線が入射する入射口と該入射口に入射した赤外線を放射する放射口を有する導光手段と、
該導光手段を保持する高熱伝導性部材と、
前記放射口に対向して設けられ前記放射口から放射された赤外線を検出する赤外線センサと、
基準温度信号を発生する第１の測温手段と、
前記赤外線センサと前記第１の測温手段との出力に基づいて測温対象の温度を演算する演算手段と、
該演算手段の演算結果を告知する告知手段とを備えた放射温度計において、
前記導光手段及び前記高熱伝導性部材に対し、前記赤外線センサを熱的に絶縁する断熱手段を設けており、
前記高熱伝導性部材と前記導光手段とは熱的に結合されていることを特徴とする放射温度計。
【請求項２】 前記導光手段の温度を測定する第２の測温手段を有し、前記演算手段は、前記赤外線センサと前記第１の測温手段と前記第２の測温手段との出力に基づいて測温対象の温度を演算することを特徴とする請求項１に記載の放射温度計。
【請求項３】 前記高熱伝導性部材を前記赤外線センサの前記導光手段側の端部よりも前記導光手段側に配置したことを特徴とする請求項１又は２に記載の放射温度計。
【請求項４】 前記高熱伝導性部材は前記導光手段を挿入する空洞部と前記導光手段の少なくとも一部の外周に固着される前記空洞部に設けられたパイプ固着部とを有することを特徴とする請求項１乃至３何れか一項に記載の放射温度計。
【請求項５】 前記第２の測温手段は感温センサであり、
前記高熱伝導性部材は、前記感温センサを覆うとともに、
該感温センサを前記導光手段の側面又は側面近傍に保持する保持部を有することを特徴とする請求項２乃至４何れか一項に記載の放射温度計。
【請求項６】 前記第２の測温手段は、前記導光手段と略同じ温度状態を示し、且つ外部からの赤外線を入射しないように閉鎖された参照空洞と、
該参照空洞からの赤外線の温度を測定する温度補償用赤外線センサと、
該温度補償用赤外線センサの温度を測定する感温センサとから構成されることを特徴とする請求項２乃至４何れか一項に記載の放射温度計。
【請求項７】 前記断熱手段は、前記導光手段に前記赤外線センサが接触しないように前記導光手段と前記赤外線センサとを所定の間隔に保持する低熱伝導性の光学系連結部材であることを特徴とする請求項１乃至６何れか一項に記載の放射温度計。
【請求項８】 前記光学系連結部材は、前記赤外線センサを圧入するための赤外線センサ圧入部を有することを特徴とする請求項７に記載の放射温度計。
【請求項９】 前記光学系連結部材は、前記導光手段の放射口の内周又は外周に圧入するためのパイプ圧入部を有することを特徴とする請求項７又は８に記載の放射温度計。
【請求項１０】 前記導光手段を覆うケース手段と、
前記導光手段の入射口付近に設けられた窓部材と、
該窓部材を前記ケース手段に保持するための窓保持部材と、
前記ケース手段と前記窓保持部材との隙間を防水する第１のパッキンと、
前記導光手段と前記窓保持部材との隙間を防水する第２のパッキンとを有することを特徴とする請求項１乃至９何れか一項に記載の放射温度計。
【請求項１１】 前記窓部材と前記窓保持部材との間を防水する第３のパッキンを有することを特徴とする請求項１０に記載の放射温度計。
【請求項１２】 前記窓部材は、前記導光手段の入射口に入射する赤外線の反射を防止するコーティング膜を少なくとも一方の面に有することを特徴とする請求項１０又は１１に記載の放射温度計。
[Claims]
[Claim 1] Infrared rays radiated from a temperature measurement target enter.ShootA light guide means having an incident port and a radiation port that emits infrared rays incident on the incident port, and
The light guide meansHoldHigh thermal conductivity member and
An infrared sensor provided facing the radiation port to detect infrared rays emitted from the radiation port, and an infrared sensor.
With the first temperature measuring means that generates the reference temperature signal,
BeforeInfrared sensor and the first resistance temperature detectorWith stepsA calculation means that calculates the temperature of the temperature measurement target based on the output of
In a radiation thermometer provided with a notification means for notifying the calculation result of the calculation means,
The light guide means and the high thermal conductive memberOn the other handThe infrared sensorSaProvide heat insulating means to insulate thermallyAnd
The high thermal conductive member and the light guide means are thermally coupled.A radiation thermometer characterized by that.
2. It has a second temperature measuring means for measuring the temperature of the light guide means, and the calculating means measures based on the outputs of the infrared sensor, the first temperature measuring means, and the second temperature measuring means. The radiation thermometer according to claim 1, wherein the temperature of a temperature object is calculated...
3. The radiation thermometer according to claim 1 or 2, wherein the high thermal conductive member is arranged on the light guide means side of the infrared sensor on the light guide means side end.
4. The high thermal conductive member is characterized by having a cavity into which the light guide means is inserted and a pipe fixing portion provided in the cavity fixed to the outer periphery of at least a part of the light guide means. The radiation thermometer according to any one of 1 to 3.
5. The second temperature measuring means is a temperature sensor.
SaidThe high thermal conductive member covers the temperature sensor and also covers the temperature sensor.
The temperature sensorLight guide meansThe claim is characterized by having a holding portion for holding the side surface or the vicinity of the side surface.Any one of 2 to 4Radiation thermometer described in.
6. The second temperature measuring means has a reference cavity that exhibits substantially the same temperature state as the light guiding means and is closed so as not to inject infrared rays from the outside.
An infrared sensor for temperature compensation that measures the temperature of infrared rays from the reference cavity,
The radiation thermometer according to any one of claims 2 to 4, further comprising a temperature-sensitive sensor that measures the temperature of the temperature-compensating infrared sensor.
7. The heat insulating means is a low thermal conductive optical system connecting member that holds the light guide means and the infrared sensor at predetermined intervals so that the infrared sensor does not come into contact with the light guide means. Item 6. The radiation thermometer according to any one of Items 1 to 6.
8. The radiation thermometer according to claim 7, wherein the optical system connecting member has an infrared sensor press-fitting portion for press-fitting the infrared sensor.
9. The radiation thermometer according to claim 7 or 8, wherein the optical system connecting member has a pipe press-fitting portion for press-fitting into the inner circumference or the outer circumference of the radiation port of the light guide means.
10. A case means for covering the light guide means and
A window member provided near the entrance of the light guide means and
A window holding member for holding the window member in the case means, and
A first packing for waterproofing the gap between the case means and the window holding member,
The radiation thermometer according to any one of claims 1 to 9, further comprising a second packing for waterproofing a gap between the light guide means and the window holding member.
11. The radiation thermometer according to claim 10, further comprising a third packing for waterproofing between the window member and the window holding member.
12. The radiation thermometer according to claim 10 or 11, wherein the window member has a coating film on at least one surface that prevents reflection of infrared rays incident on the incident port of the light guide means.
【０００９】
【課題を解決するための手段】
上記目的を達成するために、本発明の放射温度計は、測温対象から放射された赤外線が入射する入射口と該入射口に入射した赤外線を放射する放射口を有する導光手段と、該導光手段を保持する高熱伝導性部材と、前記放射口に対向して設けられ前記放射口から放射された赤外線を検出する赤外線センサと、基準温度信号を発生する第１の測温手段と、前記赤外線センサと前記第１の測温手段との出力に基づいて測温対象の温度を演算する演算手段と、該演算手段の演算結果を告知する告知手段とを備えた放射温度計において、前記導光手段及び前記高熱伝導性部材に対し、前記赤外線センサを熱的に絶縁する断熱手段を設けており、前記高熱伝導性部材と前記導光手段とは熱的に結合されていることを特徴とするものである。
さらに、前記導光手段の温度を測定する第２の測温手段を有し、前記演算手段は、前記赤外線センサと前記第１の測温手段と前記第２の測温手段との出力に基づいて測温対象の温度を演算することを特徴とするものである。
0009
[Means for solving problems]
To achieve the above object, the radiation thermometer of the present invention includes a guiding means having a radiation port for emitting infrared rays infrared rays emitted from the temperature-measured object is made incident on the entrance and the entrance to morphism input, A high thermal conductive member holding the light guide means, an infrared sensor provided facing the radiation port to detect infrared rays radiated from the radiation port, and a first temperature measuring means for generating a reference temperature signal. , before Symbol calculating means for calculating the temperature of the temperature-measured object based on the output of the infrared sensor and the first measuring Yutakate stage, radiation thermometer and a notifying means for notifying the operation result of the arithmetic means in the light guide means and against the high heat conductivity member, it said and an infrared sensor provided with a heat insulating means for thermally insulating said the high heat conductivity member and the light guide means are thermally coupled it is characterized in that there.
Further, it has a second temperature measuring means for measuring the temperature of the light guide means, and the calculation means is based on the outputs of the infrared sensor, the first temperature measuring means, and the second temperature measuring means. It is characterized in that the temperature of the temperature measurement target is calculated.
また、前記高熱伝導性部材を前記赤外線センサの前記導光手段側の端部よりも前記導光手段側に配置したことを特徴とするものである。
また、前記高熱伝導性部材は前記導光手段を挿入する空洞部と前記導光手段の少なくとも一部の外周に固着される前記空洞部に設けられたパイプ固着部とを有することを特徴とするものである。
Further, the high thermal conductive member is arranged closer to the light guide means side than the end portion of the infrared sensor on the light guide means side.
Further, the high thermal conductive member is characterized by having a hollow portion into which the light guide means is inserted and a pipe fixing portion provided in the hollow portion fixed to the outer periphery of at least a part of the light guide means. It is a thing.
また、前記第２の測温手段は感温センサであり、前記高熱伝導性部材は、前記感温センサを覆うとともに、該感温センサを前記導光手段の側面又は側面近傍に保持する保持部を有することを特徴とするものである。 Further, the second temperature measuring means is a temperature sensor, and the high thermal conductive member covers the temperature sensor and holds the temperature sensor on the side surface or the vicinity of the side surface of the light guide means. It is characterized by having.
また、前記第２の測温手段は、前記導光手段と略同じ温度状態を示し、且つ外部からの赤外線を入射しないように閉鎖された参照空洞と、該参照空洞からの赤外線の温度を測定する温度補償用赤外線センサと、該温度補償用赤外線センサの温度を測定する感温センサとから構成されることを特徴とするものである。 Further, the second temperature measuring means measures the temperature of the reference cavity which shows substantially the same temperature state as the light guide means and is closed so as not to inject infrared rays from the outside, and the infrared rays from the reference cavity. an infrared sensor for temperature compensation which is characterized in the this composed of a temperature-sensitive sensor for measuring the temperature of the infrared sensor temperature compensation.
また、前記断熱手段は、前記導光手段に前記赤外線センサが接触しないように前記導光手段と前記赤外線センサとを所定の間隔に保持する低熱伝導性の光学系連結部材であることを特徴とするものである。 Further, the heat insulating means, wherein the said and the light guide means so the infrared sensor does not contact the low thermal conductivity of the optical system for holding the infrared sensor at a predetermined distance the coupling member der Rukoto to the light guide means Is to be.
また、前記光学系連結部材は、前記赤外線センサを圧入するための赤外線センサ圧入部を有することを特徴とするものである。
また、前記光学系連結部材は、前記導光手段の放射口の内周又は外周に圧入するためのパイプ圧入部を有することを特徴とするものである。
Further, the optical system connecting member is characterized by having an infrared sensor press-fitting portion for press-fitting the infrared sensor.
Further, the optical system connecting member is a Rukoto that having a pipe press-fit portion for press-fit into the inner circumference or the outer circumference of the emitting opening of the light guiding means intended to be characterized.
また、前記放射温度計は、前記導光手段を覆うケース手段と、前記導光手段の入射口付近に設けられた窓部材と、該窓部材を前記ケース手段に保持するための窓保持部材と、前記ケース手段と前記窓保持部材との隙間を防水する第１のパッキンと、前記導光手段と前記窓保持部材との隙間を防水する第２のパッキンとを有することを特徴とするものである。
また、前記窓部材と前記窓保持部材との間を防水する第３のパッキンを有することを特徴とするものである。
また、前記窓部材は、前記導光手段の入射口に入射する赤外線の反射を防止するコーティング膜を少なくとも一方の面に有することを特徴とするものである。
Further, the radiation thermometer includes a case means for covering the front Symbol light guiding means, the window holding member and the window member provided in the vicinity of entrance, to hold the said window member to said casing means of said guiding means It is characterized by having a first packing for waterproofing the gap between the case means and the window holding member, and a second packing for waterproofing the gap between the light guide means and the window holding member. Is.
Further, it is characterized by having a third packing for waterproofing between the window member and the window holding member.
Further, the window member is characterized by having a coating film on at least one surface that prevents reflection of infrared rays incident on the incident port of the light guide means.
【００４６】
【発明の効果】
以上説明したことから明らかのように、本発明によれば、導光手段と赤外線センサとを熱的に絶縁・分離することにより、導光手段の先端から後端までの温度分布がより簡単な式に近似できる分布になるとともに、その間の温度差も小さくなり、導光手段の温度を代表する温度を示す導光手段の位置の変化が少なくなる。従って、より正確な導光手段の温度補償が可能な放射温度計を提供することができる。
[0046]
【Effect of the invention】
As apparent from the above description, according to the present invention, the light guide means and the infrared sensor is thermally insulated and separated, the temperature distribution from the tip of the light guide means to the rear end is easier The distribution can be approximated to the equation, the temperature difference between them becomes small, and the change in the position of the light guide means indicating the temperature representing the temperature of the light guide means becomes small. Therefore, it is possible to provide a radiation thermometer capable of more accurate temperature compensation of the light guide means.
また、本発明により、導光手段と赤外線センサを位置決めするとともに熱的に絶縁でき、高熱伝導性部材が赤外線センサの側面を覆わないため高熱伝導性部材と赤外線センサとを熱的に絶縁できる。 Further, according to the present invention , the light guide means and the infrared sensor can be positioned and thermally insulated, and since the high thermal conductive member does not cover the side surface of the infrared sensor, the high thermal conductive member and the infrared sensor can be thermally insulated.
また、本発明により、導光パイプの放射口側を気密にでき、導光パイプの金メッキが腐食することがない。また、導光パイプを光学系連結部材に圧入するため、接着剤で固着する場合に比べて組み立ても容易である。 Further, according to the present invention , the radiation port side of the light guide pipe can be made airtight, and the gold plating of the light guide pipe does not corrode. Further, since the light guide pipe is press-fitted into the optical system connecting member, it is easier to assemble than the case where the light guide pipe is fixed with an adhesive.
また、本発明により、導光パイプの放射口側を気密にでき、導光パイプの金メッキが腐食することがない。接着材のように水分を吸収して導光パイプ内に水分が溜まることがない。 Further, according to the present invention , the radiation port side of the light guide pipe can be made airtight, and the gold plating of the light guide pipe does not corrode. Unlike adhesives, it absorbs moisture and does not accumulate in the light guide pipe.
また、本発明により、熱伝導率が同じ部材で覆われているため、感温センサが高熱伝導性部材と略同じ温度に追従し易い。 Further, according to the present invention , since the member having the same thermal conductivity is covered with the member, the temperature sensor can easily follow the temperature substantially the same as that of the high thermal conductivity member.
また、本発明により、参照空洞からの赤外線を検出するための温度補償用赤外線センサを設けることにより、パイプ温度の実効値をより正確に求めることができる。 Further, according to the present invention , the effective value of the pipe temperature can be obtained more accurately by providing the infrared sensor for temperature compensation for detecting the infrared rays from the reference cavity.
また、本発明により、窓部材の表面にコーティング膜を形成し、且つコーティング膜の剥がれを防止することにより、導光パイプの入射口に入射する赤外線の反射をより確実に防止する。 Further, according to the present invention, by forming a coating film on the surface of the window member and preventing the coating film from peeling off, the reflection of infrared rays incident on the incident port of the light guide pipe is more reliably prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11064808A JP2000254103A (en) | 1999-03-11 | 1999-03-11 | Radiation thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11064808A JP2000254103A (en) | 1999-03-11 | 1999-03-11 | Radiation thermometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000254103A JP2000254103A (en) | 2000-09-19 |
| JP2000254103A5 true JP2000254103A5 (en) | 2006-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11064808A Pending JP2000254103A (en) | 1999-03-11 | 1999-03-11 | Radiation thermometer |
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| Country | Link |
|---|---|
| JP (1) | JP2000254103A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5078261B2 (en) * | 2006-01-23 | 2012-11-21 | セイコーＮｐｃ株式会社 | Temperature detection apparatus and temperature detection method |
| JP2007248201A (en) * | 2006-03-15 | 2007-09-27 | Horiba Ltd | Radiation thermometer |
| JP5754223B2 (en) * | 2011-04-16 | 2015-07-29 | 三菱マテリアル株式会社 | Fixing device |
| JP5996139B1 (en) * | 2016-03-31 | 2016-09-21 | 興和株式会社 | Infrared thermometer |
| KR101804374B1 (en) | 2016-11-30 | 2017-12-04 | 주식회사 씨알아이지 | Infrared ear thermometer and method for measuring body temperature using the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3558397B2 (en) * | 1995-01-18 | 2004-08-25 | テルモ株式会社 | Thermometer |
| JP3805039B2 (en) * | 1996-11-14 | 2006-08-02 | シチズン時計株式会社 | Radiation thermometer |
| DE19713608A1 (en) * | 1997-04-02 | 1998-10-08 | Braun Ag | Measuring tip for radiation thermometer |
| JP4018782B2 (en) * | 1997-09-10 | 2007-12-05 | シチズンホールディングス株式会社 | Radiation thermometer |
| CN1185983C (en) * | 1998-12-15 | 2005-01-26 | 西铁城钟表股份有限公司 | Radiation clinical thermometer |
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1999
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