JP7765738B2 - Temperature sensor mounting structure - Google Patents
Temperature sensor mounting structureInfo
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- JP7765738B2 JP7765738B2 JP2022017456A JP2022017456A JP7765738B2 JP 7765738 B2 JP7765738 B2 JP 7765738B2 JP 2022017456 A JP2022017456 A JP 2022017456A JP 2022017456 A JP2022017456 A JP 2022017456A JP 7765738 B2 JP7765738 B2 JP 7765738B2
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Description
本発明は、配管に温度センサを取り付けるために用いる温度センサ取付構造に関する。 The present invention relates to a temperature sensor mounting structure used to attach a temperature sensor to a pipe.
家電製品、自動車関連又は電機製品等に使用される温度センサ（サーミスタ素子使用）のうち、配管で供給、循環又は排出されるガス又は液体等の状態を検知するために、配管に取り付けられて配管の温度を測定するものが用いられている。
従来、耐食性、温度履歴に対しての取付力の保持、取付易さ等を考慮して、ステンレス又はその他の金属薄板を防蝕コーティングした板バネで温度センサを配管に固定しているものが知られている。
Among the temperature sensors (using thermistor elements) used in home appliances, automobile-related products, electrical products, etc., there are those that are attached to pipes to measure the temperature of the pipes in order to detect the state of gases or liquids that are supplied, circulated, or discharged through the pipes.
Conventionally, a temperature sensor has been fixed to a pipe using a leaf spring made of stainless steel or other thin metal plate with a corrosion-resistant coating, taking into consideration corrosion resistance, retention of mounting force against temperature history, ease of mounting, etc.
例えば、特許文献１には、配管を保持する配管保持部、及び配管の温度を測定する感温部（温度センサ）を保持する感温部保持部を有し、配管に感温部を固定するための配管クリップが記載されている。 For example, Patent Document 1 describes a pipe clip that has a pipe holding part that holds the pipe and a temperature sensor holding part that holds a temperature sensor (temperature sensor) that measures the temperature of the pipe, and is used to secure the temperature sensor to the pipe.
上記従来の技術には、以下の課題が残されている。
上記特許文献１の技術では、配管への取付の容易さから金属製の板バネを感温部保持部に用いていたが、温度センサの表面が主にＡｌ等の金属であると共に板バネがＳＵＳ等の金属であるため、これらの間で異種金属の接触によるガルバニック腐食と呼ばれる腐食が発生する場合があった。このため、板バネにコーティングを施す対策もあるが、必ずしも仕様の温度環境に耐え得るとは限らない。また、ガルバニック腐食が生じ難い樹脂部品で固定することも考えられるが、長期使用によるクリープによって取付力の低下が生じるおそれがあるという不都合があった。
The above conventional techniques still have the following problems.
The technology described in Patent Document 1 uses a metal leaf spring as the temperature sensor holder for ease of installation on the piping. However, because the surface of the temperature sensor is primarily made of metal such as aluminum and the leaf spring is made of metal such as stainless steel, corrosion called galvanic corrosion can occur due to contact between the two metals. One solution is to apply a coating to the leaf spring, but this does not necessarily withstand the specified temperature environment. Another option is to use a resin part, which is less susceptible to galvanic corrosion, but this approach has the disadvantage of potentially reducing the mounting strength due to creep over long-term use.
本発明は、前述の課題に鑑みてなされたもので、ガルバニック腐食が生じ難いと共に、長期にわたって安定した取付力を得ることができる温度センサ取付構造を提供することを目的とする。 The present invention was made in consideration of the above-mentioned problems, and aims to provide a temperature sensor mounting structure that is less susceptible to galvanic corrosion and provides stable mounting force over the long term.
本発明は、前記課題を解決するために以下の構成を採用した。すなわち、第１の発明に係る温度センサ取付構造は、樹脂で成形され、互いに対向させた状態で配管と前記配管に接触させた温度センサとを間に挟み込む一対の温度センサ取付用治具と、前記対向させた状態の前記一対の温度センサ取付用治具に取り付けられて前記一対の温度センサ取付用治具を互いに対向方向に向けて付勢するバネ部材とを備えていることを特徴とする。 The present invention employs the following configuration to solve the above-mentioned problems. Specifically, the temperature sensor mounting structure according to the first invention is characterized by comprising a pair of temperature sensor mounting jigs molded from resin that face each other and sandwich a pipe and a temperature sensor in contact with the pipe between them, and a spring member attached to the pair of temperature sensor mounting jigs in the facing position and biasing the pair of temperature sensor mounting jigs in opposing directions.
この温度センサ取付構造では、樹脂で成形され、互いに対向させた状態で配管と配管に接触させた温度センサとを間に挟み込む一対の温度センサ取付用治具と、対向させた状態の一対の温度センサ取付用治具に取り付けられて一対の温度センサ取付用治具を互いに対向方向に向けて付勢するバネ部材とを備えているので、温度センサ取付用治具が樹脂で形成されていることで温度センサとの間でガルバニック腐食が生じ難いと共に、バネ部材によって一対の温度センサ取付用治具が付勢されていることで、長期にわたって安定した取付力を得ることができる。
また、一対の温度センサ取付用治具で両側から配管及び温度センサを挟み込むので、配管の熱を効率的に温度センサに伝えることができる。また、互いに対向して配管を挟み込む一対の温度センサ取付用治具により、配管及び温度センサを両側からそれぞれ保持し、さらにバネ部材で付勢することで、１つの治具だけで固定した場合に比べて、より高い保持力を得ることができる。
This temperature sensor mounting structure comprises a pair of temperature sensor mounting jigs molded from resin that sandwich a pipe and a temperature sensor in contact with the pipe while facing each other, and a spring member attached to the pair of opposed temperature sensor mounting jigs that urges the pair of temperature sensor mounting jigs toward each other.Since the temperature sensor mounting jigs are made from resin, galvanic corrosion is less likely to occur between them and the temperature sensor, and since the pair of temperature sensor mounting jigs are urged by the spring member, a stable mounting force can be obtained over the long term.
In addition, since the pipe and temperature sensor are sandwiched between a pair of temperature sensor mounting jigs from both sides, the heat from the pipe can be efficiently transferred to the temperature sensor. Furthermore, by using a pair of temperature sensor mounting jigs that face each other and sandwich the pipe, the pipe and temperature sensor are held from both sides, and by applying a spring member to them, a stronger holding force can be obtained compared to when they are fixed with only one jig.
第２の発明に係る温度センサ取付構造は、第１の発明において、前記バネ部材が、金属で形成された板バネであることを特徴とする。
すなわち、この温度センサ取付構造では、バネ部材が、金属で形成された板バネであるので、簡易かつ低コストに作製することができると共に、安定した付勢力により長期に強い取付力を得ることができる。
なお、金属のバネ部材は、樹脂の一対の温度センサ取付用治具に取り付けられ温度センサ、配管には接触しないため、ガルバニック腐食が生じない。
A temperature sensor mounting structure according to a second aspect of the present invention is the temperature sensor mounting structure according to the first aspect of the present invention, characterized in that the spring member is a leaf spring made of metal.
That is, in this temperature sensor mounting structure, the spring member is a leaf spring made of metal, so it can be manufactured easily and at low cost, and a stable biasing force can be provided to obtain a strong mounting force over the long term.
Furthermore, the metal spring members are attached to a pair of resin temperature sensor mounting jigs and do not come into contact with the temperature sensor or piping, so galvanic corrosion does not occur.
第３の発明に係る温度センサ取付構造は、第１又は第２の発明において、前記一対の温度センサ取付用治具が、互いに同一形状とされていることを特徴とする。
すなわち、この温度センサ取付構造では、一対の温度センサ取付用治具が、互いに同一形状とされているので、同じ部品を２つ使用することで、別形状のものを作製する必要がなく、部品単価を低減することができる。
A temperature sensor mounting structure according to a third invention is the temperature sensor mounting structure according to the first or second invention, characterized in that the pair of temperature sensor mounting jigs have the same shape.
In other words, in this temperature sensor mounting structure, a pair of temperature sensor mounting jigs have the same shape, so by using two of the same parts, there is no need to create parts with different shapes, and the cost per part can be reduced.
第４の発明に係る温度センサ取付構造は、第１から第３の発明のいずれかにおいて、前記一対の温度センサ取付用治具のうち一方と前記一対の温度センサ取付用治具のうち他方とが、それぞれ配管を内側に嵌め込み可能な配管側支持部と、前記配管に接触させた温度センサを内側に嵌め込み可能なセンサ側支持部とを備え、前記一方が、凸部を備え、前記他方が、前記一方と対向されて前記配管及び前記温度センサを挟み込んだ状態で、前記一方の前記凸部が嵌め込み可能な凹部を備えていることを特徴とする。
すなわち、この温度センサ取付構造では、前記一方が、凸部を備え、前記他方が、前記一方と対向されて配管及び温度センサを挟み込んだ状態で、前記一方の凸部が嵌め込み可能な凹部を備えているので、嵌め込まれた配管に対する配管側支持部のバネ力（付勢力・弾性力）に加えて凹部と凸部との嵌め込み力により、配管に温度センサを安定した十分な保持力で容易に取り付けできる。
The temperature sensor mounting structure of the fourth invention is characterized in that, in any of the first to third inventions, one of the pair of temperature sensor mounting jigs and the other of the pair of temperature sensor mounting jigs each have a pipe side support portion into which a pipe can be fitted and a sensor side support portion into which a temperature sensor in contact with the pipe can be fitted, and one of the jigs has a convex portion, and the other has a concave portion into which the convex portion of the one of the jigs can be fitted when facing the one of the jigs and sandwiching the pipe and the temperature sensor.
In other words, in this temperature sensor mounting structure, one of the two has a convex portion, and the other is opposed to the other and has a concave portion into which the convex portion of the one can be fitted, so that the temperature sensor can be easily mounted on the pipe with stable and sufficient holding force due to the fitting force between the concave portion and the convex portion in addition to the spring force (spring force/elastic force) of the pipe side support part against the fitted pipe.
第５の発明に係る温度センサ取付構造では、第１から第４の発明のいずれかにおいて、前記センサ側支持部が、その側端部に前記温度センサが嵌め込まれた際に前記温度センサの端部に当接して位置決めするセンサ係止部を備えていることを特徴とする。
すなわち、この温度センサ取付用治具では、センサ側支持部が、その側端部に温度センサが嵌め込まれた際に温度センサの端部に当接して位置決めするセンサ係止部を備えているので、前記他方を前記一方側にスライドさせて互いの凸部と凹部とを嵌め合わせる際に、温度センサがセンサ側支持部から位置ずれしてしまうことをセンサ係止部で防ぐことができる。
The temperature sensor mounting structure of the fifth invention is characterized in that, in any of the first to fourth inventions, the sensor side support portion is provided with a sensor locking portion that abuts against the end of the temperature sensor to position it when the temperature sensor is fitted into its side end.
In other words, in this temperature sensor mounting jig, the sensor side support part is equipped with a sensor locking part that abuts against the end of the temperature sensor to position it when the temperature sensor is fitted into its side end, so that when the other part is slid toward the one side and the respective convex and concave parts are fitted together, the sensor locking part prevents the temperature sensor from shifting position from the sensor side support part.
第６の発明に係る温度センサ取付構造は、第４又は第５の発明において、前記一方の前記凸部が、前記配管側支持部に形成され、前記他方が、前記配管側支持部の前記凸部と互いに嵌め合い可能な前記凹部を有した配管側凹凸用支持部を備えていることを特徴とする。
すなわち、この温度センサ取付構造では、前記他方が、配管側支持部の凸部と互いに嵌め合い可能な凹部を有した配管側凹凸用支持部を備えているので、配管側支持部とは別にバネ性を調整可能な配管側凹凸用支持部を別途設けたことで、配管側支持部のバネ性とは別に凹部と凸部との嵌め込み力を調整でき、一対の温度センサ取付用治具をより安定して固定することができる。
The temperature sensor mounting structure of the sixth invention is characterized in that, in the fourth or fifth invention, one of the convex portions is formed on the piping side support portion, and the other is provided with a piping side uneven support portion having a concave portion that can be fitted together with the convex portion of the piping side support portion.
In other words, in this temperature sensor mounting structure, the other of the two is equipped with a pipe-side unevenness support part having a recess that can fit into the convex part of the pipe-side support part.By providing a separate pipe-side unevenness support part whose spring properties can be adjusted separately from the pipe-side support part, the fitting force between the recess and convex part can be adjusted separately from the spring properties of the pipe-side support part, and the pair of temperature sensor mounting jigs can be fixed more stably.
第７の発明に係る温度センサ取付構造は、第４から第６の発明のいずれかにおいて、前記一方の前記配管側支持部に前記配管を嵌め込むと共に前記一方の前記センサ側支持部に前記温度センサを嵌め込み、さらに前記他方を前記配管の延在方向に前記一方から離間させた位置で前記他方の前記配管側支持部に前記配管を嵌め込んだ状態で、前記他方が、前記一方に向けて前記配管の延在方向に移動させた際に前記センサ側支持部に前記温度センサを嵌め込み可能であると共に前記他方の前記凹部と前記一方の前記凸部とが互いに嵌め合い可能であることを特徴とする。 The temperature sensor mounting structure according to the seventh invention is any of the fourth to sixth inventions, characterized in that when the pipe is fitted into the pipe-side support portion of one of the pipes and the temperature sensor is fitted into the sensor-side support portion of one of the pipes, and the other pipe is fitted into the pipe-side support portion of the other pipe at a position spaced apart from the first pipe in the direction of extension of the pipe, and the other pipe is moved toward the first pipe in the direction of extension of the pipe, the temperature sensor can be fitted into the sensor-side support portion and the recess of the other pipe and the protrusion of the first pipe can fit into each other.
すなわち、この温度センサ取付構造では、前記一方の配管側支持部に配管を嵌め込むと共に前記一方のセンサ側支持部に温度センサを嵌め込み、さらに前記他方を配管の延在方向に前記一方から離間させた位置で前記他方の配管側支持部に配管を嵌め込んだ状態で、前記他方が、前記一方に向けて配管の延在方向に移動させた際にセンサ側支持部に温度センサを嵌め込み可能であると共に前記他方の凹部と前記一方の凸部とが互いに嵌め合い可能であるので、前記他方を前記一方へとスライドさせることで一対の温度センサ取付用治具で容易に配管を挟んだ状態で固定することができる。 In other words, with this temperature sensor mounting structure, a pipe is fitted into one of the pipe-side support parts, a temperature sensor is fitted into one of the sensor-side support parts, and the other pipe is fitted into the other pipe-side support part at a position spaced apart from the first pipe in the direction of the pipe's extension. When the other pipe is moved toward the first pipe in the direction of the pipe's extension, the temperature sensor can be fitted into the sensor-side support part, and the recess of the other pipe can fit into the protrusion of the first pipe. Therefore, by sliding the other pipe toward the first pipe, the pipe can be easily clamped and fixed with the pair of temperature sensor mounting jigs.
第８の発明に係る温度センサ取付構造では、第７の発明において、前記一方の前記凸部が、前記センサ側支持部にも形成され、前記他方が、前記一方の前記センサ側支持部の前記凸部と互いに嵌め合い可能な前記凹部を有したセンサ側凹凸用支持部を備えていることを特徴とする。
すなわち、この温度センサ取付用治具では、前記他方が、前記一方のセンサ側支持部の凸部と互いに嵌め合い可能な凹部を有したセンサ側凹凸用支持部を備えているので、センサ側支持部とは別にバネ性を調整可能なセンサ側凹凸用支持部を別途設けたことで、センサ側支持部のバネ性とは別に凹部と凸部との嵌め込み力を調整でき、一対の温度センサ取付用治具をより安定して固定することができる。
なお、温度センサを内側に嵌め込んだセンサ側支持部を外側からセンサ側凹凸用支持部によって押さえ込むようにして重ね、凹部と凸部とを嵌め合わせることで、センサ側支持部が不意な力で開くことを防止可能になる。
The temperature sensor mounting structure of the eighth invention is characterized in that, in the seventh invention, the convex portion of one of the sensor side support parts is also formed on the sensor side support part, and the other of the sensor side support parts has a sensor side concave/convex support part having a concave portion that can be fitted together with the convex portion of the one of the sensor side support parts.
In other words, in this temperature sensor mounting jig, the other is equipped with a sensor side uneven support part having a recess that can fit into the convex part of the one sensor side support part.By providing a sensor side uneven support part whose spring properties can be adjusted separately from the sensor side support part, the fitting force between the recess and convex part can be adjusted separately from the spring properties of the sensor side support part, and the pair of temperature sensor mounting jigs can be fixed more stably.
Furthermore, by stacking the sensor side support part with the temperature sensor fitted inside by pressing it down from the outside with the sensor side concave/convex support part and fitting the concave and convex parts together, it is possible to prevent the sensor side support part from opening due to unexpected force.
第９の発明に係る温度センサ取付構造では、第４から第６の発明のいずれかにおいて、前記一方の前記配管側支持部に前記配管を嵌め込むと共に前記一方の前記センサ側支持部を前記温度センサに嵌め込み、さらに前記他方の前記センサ側支持部に前記温度センサを嵌め込んだ状態で、前記他方が、前記温度センサの軸線を中心に回動させて前記配管側支持部に前記配管を嵌め込み可能であると共に前記他方の前記凸部と前記一方の前記凹部とが互いに嵌め合い可能であることを特徴とする。 The temperature sensor mounting structure according to the ninth invention is characterized in that, in any of the fourth to sixth inventions, the pipe is fitted into one of the pipe-side support parts, the one sensor-side support part is fitted into the temperature sensor, and the temperature sensor is fitted into the other sensor-side support part; then, with the other part rotated around the axis of the temperature sensor, the pipe can be fitted into the pipe-side support part, and the convex part of the other part and the concave part of the one part can be fitted into each other.
すなわち、この温度センサ取付用治具では、前記一方の配管側支持部に配管を嵌め込むと共に前記一方のセンサ側支持部を温度センサに嵌め込み、さらに前記他方のセンサ側支持部に温度センサを嵌め込んだ状態で、前記他方が、温度センサの軸線を中心に回動させて配管側支持部に配管を嵌め込み可能であると共に前記他方の凸部と前記一方の凹部とが互いに嵌め合うので、前記他方を回動させることで一対の温度センサ取付用治具で容易に配管を挟んだ状態で固定することができる。 In other words, with this temperature sensor mounting jig, a pipe is fitted into one of the pipe-side support parts, one of the sensor-side support parts is fitted into the temperature sensor, and the temperature sensor is then fitted into the other sensor-side support part. Then, the other part can be rotated around the axis of the temperature sensor to fit the pipe into the pipe-side support part, and the convex part of the other part and the concave part of the one part fit together, so by rotating the other part, the pipe can be easily clamped and fixed between the pair of temperature sensor mounting jigs.
第１０の発明に係る温度センサ取付構造では、第９の発明において、前記センサ側支持部が、前記温度センサが嵌め込まれた状態で前記温度センサの軸線方向に互いに離間して複数対設けられていることを特徴とする。
すなわち、この温度センサ取付用治具では、センサ側支持部が、温度センサが嵌め込まれた状態で温度センサの軸線方向に互いに離間して複数対設けられているので、温度センサをその軸線方向の少なくとも４箇所で保持することができ、より安定した保持力と温度センサへの高い伝熱性とを得ることができる。
The temperature sensor mounting structure of the tenth invention is characterized in that, in the ninth invention, the sensor side support portion is provided in multiple pairs spaced apart from each other in the axial direction of the temperature sensor when the temperature sensor is inserted.
In other words, in this temperature sensor mounting jig, multiple pairs of sensor side support portions are provided spaced apart in the axial direction of the temperature sensor when the temperature sensor is inserted, so that the temperature sensor can be held at at least four points in its axial direction, resulting in more stable holding force and high heat conductivity to the temperature sensor.
本発明によれば、以下の効果を奏する。
すなわち、本発明に係る温度センサ取付構造によれば、樹脂で成形され、互いに対向させた状態で配管と配管に接触させた温度センサとを間に挟み込む一対の温度センサ取付用治具と、対向させた状態の一対の温度センサ取付用治具に取り付けられて一対の温度センサ取付用治具を互いに対向方向に向けて付勢する金属製バネ部材とを備えているので、金属製バネ部材を配管、温度センサに接触しないような配置にでき、温度センサとの間でガルバニック腐食が生じ難いと共に、長期にわたって安定した取付力を得ることができる。
したがって、本発明の温度センサ取付構造では、異種金属腐食を防止すると共に、熱履歴に対しても安定した保持力を確保することができる。
According to the present invention, the following effects are achieved.
In other words, the temperature sensor mounting structure of the present invention comprises a pair of temperature sensor mounting jigs molded from resin that are opposed to each other and sandwich a pipe and a temperature sensor in contact with the pipe between them, and a metal spring member that is attached to the opposed temperature sensor mounting jigs and urges the pair of temperature sensor mounting jigs in opposing directions.This means that the metal spring member can be positioned so that it does not come into contact with the pipe or the temperature sensor, making it less likely for galvanic corrosion to occur between the metal spring member and the temperature sensor, and providing a stable mounting force over the long term.
Therefore, the temperature sensor mounting structure of the present invention can prevent dissimilar metal corrosion and ensure a stable holding force even with thermal history.
以下、本発明に係る温度センサ取付構造の第１実施形態を、図１から図７を参照しながら説明する。 The first embodiment of the temperature sensor mounting structure according to the present invention will now be described with reference to Figures 1 to 7.
本実施形態の温度センサ取付構造１は、図１から図７に示すように、樹脂で成形され、互いに対向させた状態で配管Ｐと配管Ｐに接触させた温度センサＳとを間に挟み込む一対の温度センサ取付用治具１Ａ，１Ｂと、対向させた状態の一対の温度センサ取付用治具１Ａ，１Ｂに取り付けられて一対の温度センサ取付用治具１Ａ，１Ｂを互いに対向方向に向けて付勢するバネ部材１０とを備えている。
上記バネ部材１０は、金属で形成された板バネである。
As shown in Figures 1 to 7, the temperature sensor mounting structure 1 of this embodiment is molded from resin and comprises a pair of temperature sensor mounting jigs 1A, 1B that are opposed to each other and sandwich a pipe P and a temperature sensor S in contact with the pipe P between them, and a spring member 10 that is attached to the opposed pair of temperature sensor mounting jigs 1A, 1B and biases the pair of temperature sensor mounting jigs 1A, 1B in opposing directions.
The spring member 10 is a leaf spring made of metal.
本実施形態の温度センサ取付用治具１Ａ，１Ｂは、一対の温度センサ取付用治具１Ａ，１Ｂのうち一方１Ａと一対の温度センサ取付用治具のうち他方１Ｂとが、それぞれ配管Ｐを内側に嵌め込み可能な配管側支持部２と、配管Ｐに接触させた温度センサＳを内側に嵌め込み可能なセンサ側支持部３とを備えている。 In this embodiment, one 1A of the pair of temperature sensor mounting jigs 1A, 1B and the other 1B of the pair of temperature sensor mounting jigs each include a pipe-side support portion 2 into which a pipe P can be fitted, and a sensor-side support portion 3 into which a temperature sensor S in contact with the pipe P can be fitted.
前記一方１Ａは、凸部４ａを備えている。
また、前記他方１Ｂは、前記一方１Ａと対向されて配管Ｐ及び温度センサＳを挟み込んだ状態で、前記一方１Ａの凸部４ａが嵌め込み可能な凹部４ｂを備えている。
本実施形態の温度センサ取付用治具１Ａ，１Ｂは、前記一方１Ａの配管側支持部２に配管Ｐを嵌め込むと共に前記一方１Ａのセンサ側支持部３に温度センサＳを嵌め込み、さらに前記他方１Ｂを配管Ｐの延在方向に前記一方１Ａから離間させた位置で前記他方１Ｂの配管側支持部２に配管Ｐを嵌め込んだ状態で、前記他方１Ｂが、前記一方１Ａに向けて配管Ｐの延在方向に移動させた際にセンサ側支持部３に温度センサＳを嵌め込み可能であると共に前記他方１Ｂの凹部４ｂと前記一方１Ａの凸部４ａとが互いに嵌め合い可能である。
The one side 1A has a protrusion 4a.
The other side 1B is opposed to the first side 1A, and has a recess 4b into which the protrusion 4a of the first side 1A can be fitted, with the pipe P and the temperature sensor S sandwiched between them.
In this embodiment, the temperature sensor mounting jigs 1A, 1B have a pipe P fitted into the pipe side support portion 2 of the one 1A and a temperature sensor S fitted into the sensor side support portion 3 of the one 1A, and further have a pipe P fitted into the pipe side support portion 2 of the other 1B at a position spaced apart from the one 1A in the extension direction of the pipe P. When the other 1B is moved in the extension direction of the pipe P toward the one 1A, the temperature sensor S can be fitted into the sensor side support portion 3 and the recess 4b of the other 1B and the protrusion 4a of the one 1A can be fitted into each other.
前記一方１Ａの凸部４ａは、配管側支持部２とセンサ側支持部３とに形成されている。すなわち、前記一方１Ａの凸部４ａは、配管側支持部２の端部と、センサ側支持部３の端部とにそれぞれ外方に突出して形成された一対であり、断面Ｌ字状の凸部となっている。
前記他方１Ｂは、配管側支持部２の凸部４ａと互いに嵌め合い可能な凹部４ｂを有した配管側凹凸用支持部７と、前記一方１Ａのセンサ側支持部３の凸部４ａと互いに嵌め合い可能な凹部４ｂを有したセンサ側凹凸用支持部９とを備えている。すなわち、前記他方１Ｂの凹部４ｂは、配管側凹凸用支持部７とセンサ側凹凸用支持部９とにそれぞれ凹ませて設けられた一対である。センサ側凹凸用支持部９の凹部４ｂは、断面鉤状に形成された内側の凹部であり、配管側凹凸用支持部７の凹部４ｂは、先端部の内側に形成された凹んだ部分である。
The protrusions 4a of the one side 1A are formed on the pipe-side support part 2 and the sensor-side support part 3. That is, the protrusions 4a of the one side 1A are a pair formed to protrude outward from the end of the pipe-side support part 2 and the end of the sensor-side support part 3, respectively, and are protrusions with an L-shaped cross section.
The other 1B includes a pipe-side unevenness support part 7 having a recess 4b that can fit with the protrusion 4a of the pipe-side support part 2, and a sensor-side unevenness support part 9 having a recess 4b that can fit with the protrusion 4a of the sensor-side support part 3 of the other 1A. That is, the recess 4b of the other 1B is a pair formed by recessing the pipe-side unevenness support part 7 and the sensor-side unevenness support part 9. The recess 4b of the sensor-side unevenness support part 9 is an inner recess formed with a hook-shaped cross section, and the recess 4b of the pipe-side unevenness support part 7 is a recessed portion formed on the inside of the tip.
一対の温度センサ取付用治具１Ａ，１Ｂは、互いに同一形状とされている。
前記一方１Ａのセンサ側支持部３は、先端部に凸部４ａを有し温度センサＳが内側に嵌め込み可能な円弧状支持部３ａを備えている。
上記センサ側支持部３は、その側端部に温度センサＳが嵌め込まれた際に温度センサＳの端部に当接して位置決めするセンサ係止部８を備えている。
上記センサ係止部８は、円弧状支持部３ａの端部に円弧状に形成され半径方向内方に突出している。
The pair of temperature sensor mounting jigs 1A and 1B have the same shape.
The sensor side support portion 3 of the one side 1A has a convex portion 4a at its tip and is provided with an arc-shaped support portion 3a into which the temperature sensor S can be fitted.
The sensor side support portion 3 has a sensor locking portion 8 that abuts against the end of the temperature sensor S to position it when the temperature sensor S is fitted into the side end of the sensor side support portion 3 .
The sensor locking portion 8 is formed in an arc shape at the end of the arc-shaped support portion 3a and protrudes radially inward.
上記一対の温度センサ取付用治具１Ａ，１Ｂは、下部に配管側支持部２が連続していると共に上部にセンサ側支持部３が連続している中間板部６を備えており、全体が樹脂で成形されている。
また、上記中間板部６の下部には、配管側支持部２と配管側凹凸用支持部７とが、スリット部６ｄを挟んで形成されている。
The pair of temperature sensor mounting jigs 1A, 1B have an intermediate plate portion 6, with the pipe side support portion 2 continuing at the bottom and the sensor side support portion 3 continuing at the top, and are molded entirely from resin.
Further, at the lower part of the intermediate plate part 6, a pipe side support part 2 and a pipe side unevenness support part 7 are formed with a slit part 6d therebetween.
中間板部６は、側方に突出した部分６ａを有し、突出した部分６ａの下部に配管側凹凸用支持部７が連続して形成されていると共に、突出した部分６ａの上部にセンサ側凹凸用支持部９が連続して形成されている。
なお、中間板部６は、突出した部分６ａの突出方向に延在させて外側に断面凸状に形成させた突条部６ｂによって剛性が高められている。
また、中間板部６は、一対の温度センサ取付用治具１Ａ，１Ｂで配管Ｐを挟持した際に配管Ｐに係止可能な突起部６ｃを内面に有している。
The intermediate plate portion 6 has a portion 6a that protrudes laterally, and a support portion 7 for the piping side unevenness is formed continuously at the bottom of the protruding portion 6a, and a support portion 9 for the sensor side unevenness is formed continuously at the top of the protruding portion 6a.
The intermediate plate portion 6 has increased rigidity due to the protruding stripes 6b that extend in the protruding direction of the protruding portions 6a and are formed on the outside with a convex cross section.
The intermediate plate portion 6 also has a protrusion 6c on its inner surface that can be engaged with the pipe P when the pipe P is clamped between the pair of temperature sensor mounting jigs 1A, 1B.
上記温度センサＳは、例えば円柱状に形成され、内部にサーミスタ素子等の感温素子（図示略）が収納されている。また、図１及び図２に示すように、温度センサＳには、内部の感温素子に接続された一対のリード線Ｌが一端部から外部に延出している。
なお、温度センサＳの外周面は、Ａｌ等の金属で形成されている。
上記配管Ｐの外径は、温度センサＳの外径よりも大きく、配管側支持部２が、配管Ｐの外周面に沿って湾曲形成されている。
また、センサ側支持部３の円弧状支持部３ａは、温度センサＳの外周面に沿って配管側支持部２よりも小さな曲率半径を有して断面円弧状に湾曲形成されている。
The temperature sensor S is formed, for example, in a cylindrical shape and houses a temperature-sensing element (not shown) such as a thermistor element inside. As shown in Figures 1 and 2, the temperature sensor S has a pair of lead wires L connected to the temperature-sensing element inside and extending from one end to the outside.
The outer peripheral surface of the temperature sensor S is made of a metal such as Al.
The outer diameter of the pipe P is larger than the outer diameter of the temperature sensor S, and the pipe-side support portion 2 is curved along the outer peripheral surface of the pipe P.
The arc-shaped support portion 3 a of the sensor side support portion 3 is curved along the outer peripheral surface of the temperature sensor S with a smaller radius of curvature than the pipe side support portion 2 and has an arc-shaped cross section.
このように配管側支持部２が、配管Ｐの外周面に沿って湾曲し、センサ側支持部３が、温度センサＳの外周面に沿って配管側支持部２よりも小さな曲率半径を有して湾曲しているので、強い付勢力（バネ力）が得られる曲率半径の小さいセンサ側支持部３により温度センサＳに強固に取り付けることができる。また、配管側支持部２がセンサ側支持部３よりも大きな曲率半径であることで、比較的弱い力でも配管側支持部２を大きく開き易く、太い配管Ｐにも取り付け易くなる。
なお、一対の温度センサ取付用治具１Ａ，１Ｂを配管Ｐ及び温度センサＳに取り付けた後に取り付けるバネ部材１０により、外側から一対の温度センサ取付用治具１Ａ，１Ｂをさらに付勢するので、樹脂成形された配管側支持部２自体及びセンサ側支持部３自体の付勢力が比較的弱くても構わない。
In this way, the pipe-side support part 2 is curved along the outer peripheral surface of the pipe P, and the sensor-side support part 3 is curved along the outer peripheral surface of the temperature sensor S with a smaller radius of curvature than the pipe-side support part 2, so that the sensor-side support part 3, which has a small radius of curvature and can obtain a strong biasing force (spring force), can firmly attach to the temperature sensor S. Furthermore, because the pipe-side support part 2 has a larger radius of curvature than the sensor-side support part 3, the pipe-side support part 2 can be easily opened wide with a relatively weak force, making it easy to attach to a thick pipe P.
Furthermore, the pair of temperature sensor mounting jigs 1A, 1B are further biased from the outside by a spring member 10 that is attached after the pair of temperature sensor mounting jigs 1A, 1B are attached to the piping P and the temperature sensor S, so it does not matter if the biasing force of the resin-molded piping side support portion 2 itself and the sensor side support portion 3 itself is relatively weak.
上記バネ部材１０は、ＳＵＳ等の金属製であり、Ａｌ等の金属で外周面が形成された温度センサＳには接触しないように取り付けられる。
また、上記バネ部材１０は、図７に示すように、一対の温度センサ取付用治具１Ａ，１Ｂの配管側支持部２及び配管側凹凸用支持部７を内側に嵌合可能な底側湾曲部１０ａと、底側湾曲部１０ａの両側上部に形成され一対の突条部６ｂを内側に嵌合可能な一対の上部湾曲部１０ｂとを有している。
The spring member 10 is made of a metal such as SUS, and is attached so as not to come into contact with the temperature sensor S, the outer circumferential surface of which is made of a metal such as Al.
As shown in Figure 7, the spring member 10 has a bottom curved portion 10a into which the piping side support portion 2 and the piping side uneven support portion 7 of a pair of temperature sensor mounting jigs 1A, 1B can be fitted, and a pair of upper curved portions 10b formed on both upper sides of the bottom curved portion 10a into which a pair of protrusion portions 6b can be fitted.
次に、温度センサ取付構造１を用いて温度センサＳを配管Ｐに取り付ける方法について説明する。 Next, we will explain how to attach the temperature sensor S to the pipe P using the temperature sensor mounting structure 1.
まず、図１の（ａ）に示すように、一対の温度センサ取付用治具のうち一方１Ａの配管側支持部２に配管Ｐを嵌め込むと共に、前記一方１Ａのセンサ側支持部３に温度センサＳを嵌め込む。この前記一方１Ａだけを用いた状態でも、温度センサＳを配管Ｐに接触させた状態で保持できるが、取付時に配管側支持部２及びセンサ側支持部３を拡げ易くするために、これらの保持力が比較的弱く設定されている。 First, as shown in Figure 1(a), a pipe P is fitted into the pipe-side support portion 2 of one of a pair of temperature sensor mounting jigs 1A, and a temperature sensor S is fitted into the sensor-side support portion 3 of the other jigs 1A. Even when only the other jigs 1A are used, the temperature sensor S can be held in contact with the pipe P, but the holding force of the pipe-side support portion 2 and the sensor-side support portion 3 is set relatively weak to make it easier to spread them apart during installation.
そのため、さらに一対の温度センサ取付用治具１Ａ，１Ｂのうち前記他方１Ｂを配管Ｐの延在方向に前記一方１Ａから離間させた位置で前記他方１Ｂの配管側支持部２に配管Ｐを嵌め込む。そして、この状態から、前記他方１Ｂを、前記一方１Ａに向けて配管Ｐの延在方向（図１の（ａ）の矢印方向）に移動させ、センサ側支持部３に温度センサＳを嵌め込む。
また、上記突出した部分６ａが、配管Ｐに取り付けた状態で配管Ｐの軸線方向に延出しており、前記他方１Ｂを前記一方１Ａに向けてスライドさせた際に、突出した部分６ａが、前記一方１Ａの配管側支持部２とセンサ側支持部３との間に挿入される。
このとき、一対の温度センサ取付用治具１Ａ，１Ｂの互いの凸部４ａと凹部４ｂとが嵌め込み合って固定される。
Therefore, the other 1B of the pair of temperature sensor mounting jigs 1A, 1B is positioned away from the first 1A in the extension direction of the pipe P, and the pipe P is fitted into the pipe-side support part 2 of the second 1B. Then, from this state, the second 1B is moved toward the first 1A in the extension direction of the pipe P (the direction of the arrow in FIG. 1(a)), and the temperature sensor S is fitted into the sensor-side support part 3.
In addition, the protruding portion 6a extends in the axial direction of the piping P when attached to the piping P, and when the other side 1B is slid toward the one side 1A, the protruding portion 6a is inserted between the piping side support portion 2 and the sensor side support portion 3 of the one side 1A.
At this time, the convex portions 4a and concave portions 4b of the pair of temperature sensor mounting jigs 1A and 1B are fitted together and fixed.
すなわち、一対の温度センサ取付用治具１Ａ，１Ｂは互いに向き合った状態で、相手の一対の凸部４ａ上に自己の一対の凹部４ｂが重なり、互いに嵌まり合う。
また、このとき、温度センサＳの先端面に前記他方１Ｂのセンサ係止部８が当接して温度センサＳの先端が位置決めされる。なお、温度センサＳの後端面には、前記一方１Ａのセンサ係止部８が当接して温度センサＳの後端が位置決めされる。
さらに、バネ部材１０の底側湾曲部１０ａを、一対の温度センサ取付用治具１Ａ，１Ｂの配管側支持部２及び配管側凹凸用支持部７に嵌合させると共に、一対の上部湾曲部１０ｂを一対の突条部６ｂに嵌合させる。この状態で、バネ部材１０が一対の温度センサ取付用治具１Ａ，１Ｂを互いに対向方向に向けて付勢する。
That is, the pair of temperature sensor mounting jigs 1A, 1B are fitted together with their respective pair of recesses 4b overlapping the pair of protrusions 4a of the other in a state where they face each other.
At this time, the sensor locking portion 8 of the other 1B abuts against the tip surface of the temperature sensor S, thereby positioning the tip of the temperature sensor S. The sensor locking portion 8 of the other 1A abuts against the rear end surface of the temperature sensor S, thereby positioning the rear end of the temperature sensor S.
Furthermore, the bottom curved portions 10a of the spring member 10 are fitted into the pipe-side support portions 2 and the pipe-side unevenness support portions 7 of the pair of temperature sensor mounting jigs 1A, 1B, and the pair of upper curved portions 10b are fitted into the pair of protrusions 6b. In this state, the spring member 10 biases the pair of temperature sensor mounting jigs 1A, 1B in the directions opposite to each other.
このようにして一対の温度センサ取付用治具１Ａ，１Ｂが、図１の（ｂ）及び図３に示すように、温度センサＳ及び配管Ｐを挟んだ状態で取り付けられ、さらにバネ部材１０を一対の温度センサ取付用治具１Ａ，１Ｂの下部に嵌め込むことで一対の温度センサ取付用治具１Ａ，１Ｂの対向状態が保持され、温度センサＳを配管Ｐと接触させた状態で強固に保持することができる。 In this way, the pair of temperature sensor mounting jigs 1A, 1B are attached with the temperature sensor S and piping P sandwiched between them, as shown in Figures 1(b) and 3. Furthermore, by fitting the spring member 10 into the lower parts of the pair of temperature sensor mounting jigs 1A, 1B, the pair of temperature sensor mounting jigs 1A, 1B are maintained facing each other, and the temperature sensor S can be firmly held in contact with the piping P.
このように本実施形態の温度センサ取付構造１では、樹脂で成形され、互いに対向させた状態で配管Ｐと配管Ｐに接触させた温度センサＳとを挟み込む一対の温度センサ取付用治具１Ａ，１Ｂと、対向させた状態の一対の温度センサ取付用治具１Ａ，１Ｂに取り付けられて一対の温度センサ取付用治具１Ａ，１Ｂを互いに対向方向に向けて付勢するバネ部材１０とを備えているので、温度センサ取付用治具１Ａ，１Ｂが樹脂で形成されていることで温度センサＳとの間でガルバニック腐食が生じ難いと共に、バネ部材１０によって一対の温度センサ取付用治具１Ａ，１Ｂが付勢されていることで、長期にわたって安定した取付力を得ることができる。 As described above, the temperature sensor mounting structure 1 of this embodiment includes a pair of temperature sensor mounting jigs 1A, 1B molded from resin that sandwich a pipe P and a temperature sensor S in contact with the pipe P while facing each other, and a spring member 10 attached to the pair of facing temperature sensor mounting jigs 1A, 1B and biasing the pair of temperature sensor mounting jigs 1A, 1B toward each other. Because the temperature sensor mounting jigs 1A, 1B are made from resin, galvanic corrosion is less likely to occur between them and the temperature sensor S, and because the pair of temperature sensor mounting jigs 1A, 1B are biased by the spring member 10, a stable mounting force can be obtained over the long term.
また、一対の温度センサ取付用治具１Ａ，１Ｂで両側から配管Ｐ及び温度センサＳを挟み込むので、配管Ｐの熱を効率的に温度センサＳに伝えることができる。また、互いに対向して配管Ｐを挟み込む一対の温度センサ取付用治具１Ａ，１Ｂにより、配管Ｐ及び温度センサＳを両側からそれぞれ保持し、さらにバネ部材１０で付勢することで、１つの治具だけで固定した場合に比べて、より高い保持力を得ることができる。 In addition, because the pair of temperature sensor mounting jigs 1A, 1B sandwich the pipe P and temperature sensor S from both sides, heat from the pipe P can be efficiently transferred to the temperature sensor S. Furthermore, the pair of temperature sensor mounting jigs 1A, 1B, which face each other and sandwich the pipe P, hold the pipe P and temperature sensor S from both sides, and by applying force with the spring member 10, a stronger holding force can be obtained compared to when they are fixed with only one jig.
また、バネ部材１０が、金属で形成された板バネであるので、簡易かつ低コストに作製することができると共に、安定した付勢力により長期に強い取付力を得ることができる。
なお、金属のバネ部材１０は、樹脂の一対の温度センサ取付用治具１Ａ，１Ｂに取り付けられ温度センサＳには接触しないため、ガルバニック腐食が生じない。
さらに、一対の温度センサ取付用治具１Ａ，１Ｂが、互いに同一形状とされているので、同じ部品を２つ使用することで、別形状のものを作製する必要がなく、部品単価を低減することができる。
Furthermore, since the spring member 10 is a leaf spring made of metal, it can be manufactured easily and at low cost, and a strong mounting force can be obtained for a long period of time due to a stable biasing force.
The metal spring member 10 is attached to the pair of resin temperature sensor mounting jigs 1A, 1B and does not come into contact with the temperature sensor S, so that galvanic corrosion does not occur.
Furthermore, since the pair of temperature sensor mounting jigs 1A, 1B are identical in shape, by using two of the same parts, there is no need to manufacture parts with different shapes, and the cost per part can be reduced.
また、一対の温度センサ取付用治具１Ａ，１Ｂでは、前記一方１Ａが配管Ｐ及び温度センサＳを挟み込んだ状態で、凸部４ａを備え、前記他方１Ｂが、前記一方１Ａと対向されて配管Ｐを挟み込んだ状態で、前記一方１Ａの凸部４ａが嵌め込み可能な凹部４ｂを備えているので、嵌め込まれた配管Ｐに対する配管側支持部２のバネ力（付勢力・弾性力）に加えて凹部４ｂと凸部４ａとの嵌め込み力により、配管Ｐに温度センサＳを安定した十分な保持力で容易に取り付けできる。 Furthermore, in the pair of temperature sensor mounting jigs 1A, 1B, one 1A has a convex portion 4a when sandwiching the pipe P and temperature sensor S, and the other 1B faces the other 1A and has a concave portion 4b into which the convex portion 4a of the other 1A can be fitted when sandwiching the pipe P. Therefore, the spring force (biasing force/elastic force) of the pipe-side support part 2 against the fitted pipe P, as well as the fitting force between the concave portion 4b and the convex portion 4a, make it possible to easily mount the temperature sensor S to the pipe P with stable and sufficient holding force.
特に、前記一方１Ａの配管側支持部２に配管Ｐを嵌め込むと共に前記一方１Ａのセンサ側支持部３に温度センサＳを嵌め込み、さらに前記他方１Ｂを配管Ｐの延在方向に前記一方１Ａから離間させた位置で前記他方１Ｂの配管側支持部２に配管Ｐを嵌め込んだ状態で、前記他方１Ｂが、前記一方１Ａに向けて配管Ｐの延在方向に移動させた際にセンサ側支持部３に温度センサＳを嵌め込み可能であると共に前記他方１Ｂの凹部４ｂと前記一方１Ａの凸部４ａとが互いに嵌め合い可能であるので、前記他方１Ｂを前記一方１Ａへとスライドさせることで一対の温度センサ取付用治具１Ａ，１Ｂで容易に配管を挟んだ状態で固定することができる。 In particular, when the pipe P is fitted into the pipe-side support portion 2 of the first member 1A and the temperature sensor S is fitted into the sensor-side support portion 3 of the first member 1A, and the second member 1B is positioned away from the first member 1A in the direction in which the pipe P extends and the pipe P is fitted into the pipe-side support portion 2 of the second member 1B, the temperature sensor S can be fitted into the sensor-side support portion 3 when the second member 1B is moved toward the first member 1A in the direction in which the pipe P extends, and the recessed portion 4b of the second member 1B and the protruding portion 4a of the first member 1A can fit into each other. Therefore, by sliding the second member 1B toward the first member 1A, the pipe can be easily clamped and fixed between the pair of temperature sensor mounting jigs 1A, 1B.
また、前記他方１Ｂが、配管側支持部２の凸部４ａと互いに嵌め合い可能な凹部４ｂを有した配管側凹凸用支持部７を備えているので、配管側支持部２とは別にバネ性を調整可能な配管側凹凸用支持部７を別途設けたことで、配管側支持部２のバネ性とは別に凹部４ｂと凸部４ａとの嵌め込み力を調整でき、一対の温度センサ取付用治具１Ａ，１Ｂをより安定して固定することができる。 Furthermore, the other part 1B is equipped with a pipe-side uneven support part 7 having a recess 4b that can fit into the protrusion 4a of the pipe-side support part 2. By providing a separate pipe-side uneven support part 7 with adjustable spring properties separate from the pipe-side support part 2, the fitting force between the recess 4b and the protrusion 4a can be adjusted separately from the spring properties of the pipe-side support part 2, allowing for more stable fixing of the pair of temperature sensor mounting jigs 1A, 1B.
また、前記他方１Ｂが、前記一方１Ａのセンサ側支持部３の凸部４ａと互いに嵌め合い可能な凹部４ｂを有したセンサ側凹凸用支持部９を備えているので、センサ側支持部３とは別にバネ性を調整可能なセンサ側凹凸用支持部９を別途設けたことで、センサ側支持部３のバネ性とは別に凹部４ｂと凸部４ａとの嵌め込み力を調整でき、一対の温度センサ取付用治具１Ａ，１Ｂをより安定して固定することができる。
また、温度センサＳを内側に嵌め込んだセンサ側支持部３を外側からセンサ側凹凸用支持部９によって押さえ込むようにして重ね、凹部４ｂと凸部４ａとを嵌め合わせることで、センサ側支持部３が不意な力で開くことを防止可能になる。
Furthermore, the other 1B is provided with a sensor side unevenness support part 9 having a recess 4b that can be fitted into the protrusion 4a of the sensor side support part 3 of the one 1A.By separately providing the sensor side unevenness support part 9, whose spring property can be adjusted separately from the sensor side support part 3, the fitting force between the recess 4b and the protrusion 4a can be adjusted separately from the spring property of the sensor side support part 3, and the pair of temperature sensor mounting jigs 1A, 1B can be fixed more stably.
In addition, by stacking the sensor side support part 3 with the temperature sensor S fitted inside by pressing it down from the outside with the sensor side concave/convex support part 9 and fitting the concave part 4b and the convex part 4a together, it is possible to prevent the sensor side support part 3 from opening due to unexpected force.
さらに、センサ側支持部３が、その側端部に温度センサＳが嵌め込まれた際に温度センサＳの端部に当接して位置決めするセンサ係止部８を備えているので、前記他方１Ｂを前記一方１Ａ側にスライドさせて互いの凸部４ａと凹部４ｂとを嵌め合わせる際に、温度センサＳがセンサ側支持部３から位置ずれしてしまうことをセンサ係止部８で防ぐことができる。 Furthermore, the sensor-side support part 3 is equipped with a sensor locking part 8 that abuts against the end of the temperature sensor S when the temperature sensor S is fitted into its side end to position it. Therefore, when the other part 1B is slid toward the one part 1A to fit the respective convex parts 4a and concave parts 4b together, the sensor locking part 8 prevents the temperature sensor S from shifting position from the sensor-side support part 3.
次に、本発明に係る温度センサ取付構造の第２実施形態について、図８から図１３を参照して以下に説明する。なお、以下の実施形態の説明において、上記実施形態において説明した同一の構成要素には同一の符号を付し、その説明は省略する。 Next, a second embodiment of the temperature sensor mounting structure according to the present invention will be described below with reference to Figures 8 to 13. In the following description of the embodiment, the same components as those described in the previous embodiment will be designated by the same reference numerals, and their description will be omitted.
第２実施形態と第１実施形態との異なる点は、第１実施形態では、一対の温度センサ取付用治具１Ａ，１Ｂのうち前記他方１Ｂを前記一方１Ａに向けて配管Ｐ上をスライドさせることで、配管Ｐ及び温度センサＳを挟んだ状態で一対の温度センサ取付用治具１Ａ，１Ｂを対向させていたが、第２実施形態の温度センサ取付構造２１では、図８から図１３に示すように、温度センサ取付用治具２１Ａ，２１Ｂを配管Ｐ上で相対的に回動させることで、配管Ｐ及び温度センサＳを挟んだ状態で一対の温度センサ取付用治具２１Ａ，２１Ｂを対向させる点である。 The difference between the second embodiment and the first embodiment is that in the first embodiment, the other 1B of a pair of temperature sensor mounting jigs 1A, 1B was slid along the pipe P toward the other 1A, so that the pair of temperature sensor mounting jigs 1A, 1B faced each other with the pipe P and temperature sensor S sandwiched between them. However, in the temperature sensor mounting structure 21 of the second embodiment, as shown in Figures 8 to 13, the temperature sensor mounting jigs 21A, 21B are rotated relatively on the pipe P, so that the pair of temperature sensor mounting jigs 21A, 21B faced each other with the pipe P and temperature sensor S sandwiched between them.
すなわち、第２実施形態では、一対の温度センサ取付用治具２１Ａ，２１Ｂのうち一方２１Ａの配管側支持部２２に配管Ｐを嵌め込むと共に前記一方２１Ａのセンサ側支持部２３を温度センサＳに嵌め込み、さらに前記他方２１Ｂのセンサ側支持部２３に温度センサＳを嵌め込んだ状態で、前記他方２１Ｂが、温度センサＳの軸線Ｃを中心に回動させて配管側支持部２２に配管Ｐを嵌め込み可能であると共に前記他方２１Ｂの凸部２４ａと前記一方の凹部２４ｂとが互いに嵌め合うので、前記他方２１Ｂを回動させることで一対の温度センサ取付用治具２１Ａ，２１Ｂで容易に配管Ｐを挟んだ状態で固定することができる。 In other words, in the second embodiment, a pipe P is fitted into the pipe-side support portion 22 of one 21A of a pair of temperature sensor mounting jigs 21A, 21B, the temperature sensor S is fitted into the sensor-side support portion 23 of the one 21A, and the temperature sensor S is further fitted into the sensor-side support portion 23 of the other 21B. Then, the other 21B can be rotated about the axis C of the temperature sensor S to fit the pipe P into the pipe-side support portion 22. Furthermore, the convex portion 24a of the other 21B and the concave portion 24b of the other 21B fit together, so that by rotating the other 21B, the pipe P can be easily clamped and fixed between the pair of temperature sensor mounting jigs 21A, 21B.
上記一対の温度センサ取付用治具２１Ａ，２１Ｂは、前記一方２１Ａが、凹部２４ｂ及び凸部２４ａを備え、前記他方２１Ｂが、前記一方２１Ａと対向されて配管Ｐ及び温度センサＳを挟み込んだ状態で、前記一方２１Ａの凹部２４ｂに嵌め込み可能な凸部２４ａ及び前記一方２１Ａの凸部２４ａが嵌め込み可能な凹部２４ｂを備えている。
本実施形態の一対の温度センサ取付用治具２１Ａ，２１Ｂは、前記一方２１Ａの配管側支持部２２に配管Ｐを嵌め込むと共に一方のセンサ側支持部２３を温度センサＳに嵌め込み、さらに前記他方２１Ｂのセンサ側支持部２３に温度センサＳを嵌め込んだ状態で、前記他方２１Ｂが、温度センサＳの軸線Ｃを中心に回動させて配管側支持部２２に配管Ｐを嵌め込み可能であると共に前記他方２１Ｂの凸部２４ａと前記一方２１Ａの凹部２４ｂとが互いに嵌め合うように設定されている。
Of the pair of temperature sensor mounting jigs 21A, 21B, one 21A has a recess 24b and a protrusion 24a, and the other 21B faces the other 21A and has a protrusion 24a that can be fitted into the recess 24b of the other 21A and a recess 24b into which the protrusion 24a of the other 21A can be fitted, when the other 21B is positioned opposite the other 21A and sandwiches the piping P and the temperature sensor S between them.
In this embodiment, a pair of temperature sensor mounting jigs 21A, 21B are configured so that, with a pipe P fitted into the pipe side support portion 22 of one 21A and a temperature sensor S fitted into the sensor side support portion 23 of one 21A, and the temperature sensor S fitted into the sensor side support portion 23 of the other 21B, the other 21B can be rotated around the axis C of the temperature sensor S to fit the pipe P into the pipe side support portion 22, and the convex portion 24a of the other 21B and the concave portion 24b of the one 21A fit into each other.
前記一方２１Ａの凹部２４ｂは、配管側支持部２２に形成されている。すなわち、前記一方２１Ａの凹部２４ｂは、配管側支持部２２の先端側に設けられ外側が凹部となっている。
前記他方２１Ｂは、前記一方２１Ａの凹部２４ｂと互いに嵌め合い可能な凸部２４ａを有した配管側凹凸用支持部２７を備えている。すなわち、前記他方２１Ｂの凸部２４ａは、配管側凹凸用支持部２７の先端部に設けられ内側が前記一方の凹部２４ｂに嵌め込み可能な凸部となっている。
The recess 24b of the one side 21A is formed in the pipe side support part 22. That is, the recess 24b of the one side 21A is provided on the tip side of the pipe side support part 22 and has a recess on the outside.
The other 21B includes a pipe-side unevenness support part 27 having a protrusion 24a that can fit into the recess 24b of the one 21A. That is, the protrusion 24a of the other 21B is provided at the tip of the pipe-side unevenness support part 27, and the inside thereof is a protrusion that can fit into the recess 24b of the one 21A.
上記一対の温度センサ取付用治具２１Ａ，２１Ｂは、下部に配管側支持部２２及び配管側凹凸用支持部２７が連続していると共に上部にセンサ側支持部２３が連続している中間板部２６を備えている。
また、一対の温度センサ取付用治具２１Ａ，２１Ｂは、互いに同一形状とされている。
したがって、前記一方２１Ａにも、凸部２４ａを有した配管側凹凸用支持部２７を備え、前記他方２１Ｂにも、凹部２４ｂを有した配管側支持部２２を備えている。
すなわち、前記一方２１Ａの凸部２４ａは、前記他方の凹部２４ｂに嵌め込み可能となっている。
また、センサ側支持部２３は、温度センサＳの外周面に沿って配管側支持部２２よりも小さな曲率半径を有して断面円弧状に湾曲形成されている。
The pair of temperature sensor mounting jigs 21A, 21B have an intermediate plate portion 26, the lower portion of which is continuous with the pipe side support portion 22 and the pipe side unevenness support portion 27, and the upper portion of which is continuous with the sensor side support portion 23.
The pair of temperature sensor mounting jigs 21A and 21B have the same shape.
Therefore, the one side 21A also has a pipe-side uneven support part 27 having a convex part 24a, and the other side 21B also has a pipe-side support part 22 having a concave part 24b.
That is, the convex portion 24a of the one side 21A can be fitted into the concave portion 24b of the other side.
The sensor-side support portion 23 is curved along the outer peripheral surface of the temperature sensor S with a smaller radius of curvature than the pipe-side support portion 22 and has an arc-shaped cross section.
また、上記センサ側支持部２３は、温度センサＳが嵌め込まれた状態で温度センサＳの軸線方向に互いに離間して複数対設けられている。なお、本実施形態では、２つのセンサ側支持部２３が一対の温度センサ取付用治具２１Ａ，２１Ｂそれぞれに設けられている。したがって、温度センサＳは４つのセンサ側支持部２３で支持される。
上記センサ側支持部２３の側端部には、温度センサＳの先端を位置決めするセンサ係止部２８が径内方に突出して円弧状に設けられている。
また、中間板部２６の下部には、配管側支持部２２と配管側凹凸用支持部２７とが、スリット部２６ｄを挟んで形成されている。
Furthermore, the sensor-side support parts 23 are provided in pairs spaced apart from each other in the axial direction of the temperature sensor S with the temperature sensor S fitted in. In this embodiment, two sensor-side support parts 23 are provided on each of the pair of temperature sensor mounting jigs 21A, 21B. Therefore, the temperature sensor S is supported by four sensor-side support parts 23.
At the side end of the sensor side support portion 23, a sensor locking portion 28 for positioning the tip of the temperature sensor S is provided in an arc shape that protrudes radially inward.
In addition, the pipe-side support portion 22 and the pipe-side unevenness support portion 27 are formed on the lower part of the intermediate plate portion 26, sandwiching the slit portion 26d.
上記バネ部材１０は、図1及び図９に示すように、一対の温度センサ取付用治具２１Ａ，２１Ｂの配管側支持部２２及び配管側凹凸用支持部２７を内側に嵌合可能な底側湾曲部１０ａと、底側湾曲部１０ａの両側上部に形成され突条部６ｂを内側に嵌合可能な一対の上部湾曲部１０ｂとを有している。
上記中間板部２６は、一対の温度センサ取付用治具２１Ａ，２１Ｂで配管Ｐを挟持した際に配管Ｐに係止可能な突起部２６ｃを内面に有している。
As shown in Figures 1 and 9, the spring member 10 has a bottom curved portion 10a into which the pipe side support portion 22 and the pipe side uneven support portion 27 of a pair of temperature sensor mounting jigs 21A, 21B can be fitted, and a pair of upper curved portions 10b formed on both upper sides of the bottom curved portion 10a into which the protrusion portions 6b can be fitted.
The intermediate plate portion 26 has a protrusion 26c on its inner surface that can be engaged with the pipe P when the pipe P is clamped between the pair of temperature sensor mounting jigs 21A, 21B.
次に、温度センサ取付構造２１を用いて温度センサＳを配管Ｐに取り付ける方法について説明する。 Next, we will explain how to attach the temperature sensor S to the pipe P using the temperature sensor mounting structure 21.
まず、図１１に示すように、一対の温度センサ取付用治具２１Ａ，２１Ｂのうち一方２１Ａの配管側支持部２２に配管Ｐを嵌め込むと共に前記一方２１Ａのセンサ側支持部２３を温度センサＳに嵌め込む。この前記一方２１Ａだけを用いた状態でも、温度センサＳを配管Ｐに接触させた状態で保持できるが、取付時に配管側支持部２２及びセンサ側支持部２３を広げ易くするためにこれらの保持力が比較的弱く設定されている。 First, as shown in Figure 11, the pipe P is fitted into the pipe-side support portion 22 of one 21A of a pair of temperature sensor mounting jigs 21A, 21B, and the sensor-side support portion 23 of the other 21A is fitted into the temperature sensor S. Even when only the other 21A is used, the temperature sensor S can be held in contact with the pipe P, but the holding force of the pipe-side support portion 22 and the sensor-side support portion 23 is set relatively weak to make it easier to spread them apart during installation.
そのため、さらに一対の温度センサ取付用治具２１Ａ，２１Ｂのうち他方２１Ｂのセンサ側支持部２３に温度センサＳを嵌め込んだ状態とし、この状態から、前記他方２１Ｂを温度センサＳの軸線Ｃを中心に回動させて前記一方２１Ａに対向した状態から前記他方２１Ｂの配管側支持部２２に配管Ｐを嵌め込む。
このとき、一対の温度センサ取付用治具２１Ａ，２１Ｂの互いの配管側支持部２２の凹部２４ｂと配管側凹凸用支持部２７の凸部２４ａとが嵌め込み合って固定される。
Therefore, the temperature sensor S is further fitted into the sensor side support portion 23 of the other 21B of the pair of temperature sensor mounting jigs 21A, 21B, and from this state, the other 21B is rotated around the axis C of the temperature sensor S to fit the piping P into the piping side support portion 22 of the other 21B from a position facing the one 21A.
At this time, the recessed portions 24b of the pipe-side support portions 22 of the pair of temperature sensor mounting jigs 21A, 21B and the protruding portions 24a of the pipe-side uneven support portions 27 are fitted together and fixed.
すなわち、一対の温度センサ取付用治具２１Ａ，２１Ｂは互いに向き合った状態で、相手の配管側支持部２２上に自己の配管側凹凸用支持部２７が重なって互いの凹部２４ｂと凸部２４ａとが嵌まり合う。
さらに、バネ部材１０の底側湾曲部１０ａを、一対の温度センサ取付用治具２１Ａ，２１Ｂの配管側支持部２２及び配管側凹凸用支持部２７に嵌合させると共に、一対の上部湾曲部１０ｂを一対の突条部２６ｂに嵌合させる。この状態で、バネ部材１０が一対の温度センサ取付用治具２１Ａ，２１Ｂを互いに対向方向に向けて付勢する。
That is, the pair of temperature sensor mounting jigs 21A, 21B face each other, with their own pipe side uneven support portion 27 overlapping the other's pipe side support portion 22, and their respective concave and convex portions 24b and 24a fitting together.
Furthermore, the bottom curved portions 10a of the spring member 10 are fitted into the pipe-side support portions 22 and the pipe-side unevenness support portions 27 of the pair of temperature sensor mounting jigs 21A, 21B, and the pair of upper curved portions 10b are fitted into the pair of protrusions 26b. In this state, the spring member 10 biases the pair of temperature sensor mounting jigs 21A, 21B toward each other.
このようにして一対の温度センサ取付用治具２１Ａ，２１Ｂが、図８の（ｂ）及び図９に示すように、側面視で略三角形状となって温度センサＳ及び配管Ｐを挟んだ状態で取り付けられ、さらにバネ部材１０を一対の温度センサ取付用治具２１Ａ，２１Ｂの下部に嵌め込むことで一対の温度センサ取付用治具２１Ａ，２１Ｂの対向状態が保持され、温度センサＳを配管Ｐと接触させた状態で強固に保持することができる。 In this way, the pair of temperature sensor mounting jigs 21A, 21B are mounted in a roughly triangular shape in side view, sandwiching the temperature sensor S and piping P, as shown in Figures 8(b) and 9. Furthermore, by fitting the spring member 10 into the lower parts of the pair of temperature sensor mounting jigs 21A, 21B, the pair of temperature sensor mounting jigs 21A, 21B are maintained facing each other, and the temperature sensor S can be firmly held in contact with the piping P.
このように本実施形態の温度センサ取付構造２１では、前記一方２１Ａの配管側支持部２２に配管Ｐを嵌め込むと共に前記一方２１Ａのセンサ側支持部２３を温度センサＳに嵌め込み、さらに前記他方２１Ｂのセンサ側支持部２３に温度センサＳを嵌め込んだ状態で、前記他方２１Ｂが、温度センサＳの軸線Ｃを中心に回動させて配管側支持部２２に配管Ｐを嵌め込み可能であると共に前記他方２１Ｂの凸部２４ａと前記一方２１Ａの凹部２４ｂとが互いに嵌め合うので、前記他方２１Ｂを回動させることで一対の温度センサ取付用治具２１Ａ，２１Ｂで容易に配管Ｐを挟んだ状態で固定することができる。 In this way, with the temperature sensor mounting structure 21 of this embodiment, the pipe P is fitted into the pipe-side support portion 22 of the one side 21A, the temperature sensor S is fitted into the sensor-side support portion 23 of the one side 21A, and the temperature sensor S is further fitted into the sensor-side support portion 23 of the other side 21B. Then, the other side 21B can be rotated around the axis C of the temperature sensor S to fit the pipe P into the pipe-side support portion 22. Furthermore, since the convex portion 24a of the other side 21B and the concave portion 24b of the one side 21A fit together, rotating the other side 21B allows the pipe P to be easily clamped and fixed between the pair of temperature sensor mounting jigs 21A, 21B.
特に、前記一方２１Ａの凹部２４ｂが、配管側支持部２２に形成され、前記他方２１Ｂが、前記一方２１Ａの凹部２４ｂと互いに嵌め合い可能な凸部２４ａを有した配管側凹凸用支持部２７を備えているので、配管側支持部２２とは別にバネ性を調整可能な配管側凹凸用支持部２７を別途設けたことで、配管側支持部２２のバネ性とは別に凹部２４ｂと凸部２４ａとの嵌め込み力を調整でき、一対の温度センサ取付用治具２１Ａ，２１Ｂをより安定して固定することができる。 In particular, the recess 24b of the one side 21A is formed in the pipe-side support part 22, and the other side 21B is provided with a pipe-side uneven support part 27 having a protrusion 24a that can fit into the recess 24b of the one side 21A.By separately providing the pipe-side uneven support part 27, whose spring properties can be adjusted, separate from the pipe-side support part 22, the fitting force between the recess 24b and the protrusion 24a can be adjusted separately from the spring properties of the pipe-side support part 22, allowing for more stable fixation of the pair of temperature sensor mounting jigs 21A, 21B.
また、配管Ｐを内側に嵌め込んだ配管側支持部２２を外側から配管側凹凸用支持部２７によって押さえ込むようにして重ね、凹部２４ｂと凸部２４ａとを嵌め合わせることで、配管側支持部２２が不意な力で開くことを防止可能になる。
さらに、センサ側支持部２３が、温度センサＳが嵌め込まれた状態で温度センサＳの軸線方向に互いに離間して複数対設けられているので、温度センサＳをその軸線方向の少なくとも４箇所で保持することができ、より安定した保持力と温度センサＳへの高い伝熱性とを得ることができる。
In addition, by overlapping the pipe side support part 22 with the pipe P fitted inside by pressing it down from the outside with the pipe side uneven support part 27 and fitting the concave part 24b and the convex part 24a together, it is possible to prevent the pipe side support part 22 from opening due to unexpected force.
Furthermore, since the sensor side support portions 23 are provided in multiple pairs spaced apart from each other in the axial direction of the temperature sensor S with the temperature sensor S embedded therein, the temperature sensor S can be held at at least four points in its axial direction, thereby achieving more stable holding force and high heat conductivity to the temperature sensor S.
なお、本発明の技術範囲は上記各実施形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲において種々の変更を加えることが可能である。 The technical scope of the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.
１，２１…温度センサ取付構造、１Ａ，１Ｂ，２１Ａ，２１Ｂ…温度センサ取付用治具、１Ａ，２１Ａ…一対の温度センサ取付用治具のうち一方、１Ｂ，２１Ｂ…一対の温度センサ取付用治具のうち他方、２，２２…配管側支持部、３，２３…センサ側支持部、４ａ，２４ａ…凸部、４ｂ，２４ｂ…凹部、７，２７…配管側凹凸用支持部、８，２８…センサ係止部、９…センサ側凹凸用支持部、１０…バネ部材、Ｐ…配管、Ｓ…温度センサ 1, 21...Temperature sensor mounting structure, 1A, 1B, 21A, 21B...Temperature sensor mounting jig, 1A, 21A...One of a pair of temperature sensor mounting jigs, 1B, 21B...The other of a pair of temperature sensor mounting jigs, 2, 22...Pipe side support portion, 3, 23...Sensor side support portion, 4a, 24a...Convex portion, 4b, 24b...Concave portion, 7, 27...Pipe side unevenness support portion, 8, 28...Sensor locking portion, 9...Sensor side unevenness support portion, 10...Spring member, P...Pipe, S...Temperature sensor
Claims (10)
前記対向させた状態の前記一対の温度センサ取付用治具に取り付けられて前記一対の温度センサ取付用治具を互いに対向方向に向けて付勢するバネ部材とを備えていることを特徴とする温度センサ取付構造。 a pair of temperature sensor mounting jigs molded from resin, which are opposed to each other and sandwich a pipe and a temperature sensor in contact with the pipe between them;
A temperature sensor mounting structure characterized by comprising a spring member attached to the pair of temperature sensor mounting jigs in the opposing state and biasing the pair of temperature sensor mounting jigs toward each other.
前記バネ部材が、金属で形成された板バネであることを特徴とする温度センサ取付構造。 2. The temperature sensor mounting structure according to claim 1,
10. A temperature sensor mounting structure, wherein the spring member is a leaf spring made of metal.
前記一対の温度センサ取付用治具が、互いに同一形状とされていることを特徴とする温度センサ取付構造。 3. The temperature sensor mounting structure according to claim 1,
A temperature sensor mounting structure characterized in that the pair of temperature sensor mounting jigs have the same shape.
前記一対の温度センサ取付用治具のうち一方と前記一対の温度センサ取付用治具のうち他方とが、それぞれ配管を内側に嵌め込み可能な配管側支持部と、
前記配管に接触させた温度センサを内側に嵌め込み可能なセンサ側支持部とを備え、
前記一方が、凸部を備え、
前記他方が、前記一方と対向されて前記配管及び前記温度センサを挟み込んだ状態で、前記一方の前記凸部が嵌め込み可能な凹部を備えていることを特徴とする温度センサ取付構造。 The temperature sensor mounting structure according to any one of claims 1 to 3,
one of the pair of temperature sensor mounting jigs and the other of the pair of temperature sensor mounting jigs are pipe-side support portions into which a pipe can be fitted;
a sensor-side support part into which the temperature sensor in contact with the piping can be fitted,
The one of them has a protrusion,
A temperature sensor mounting structure characterized in that the other has a recess into which the convex portion of the one can be fitted when the other is opposed to the one and sandwiches the piping and the temperature sensor.
前記センサ側支持部が、その側端部に前記温度センサが嵌め込まれた際に前記温度センサの端部に当接して位置決めするセンサ係止部を備えていることを特徴とする温度センサ取付構造。 5. The temperature sensor mounting structure according to claim 4 ,
A temperature sensor mounting structure characterized in that the sensor side support portion has a sensor locking portion that abuts against an end of the temperature sensor to position it when the temperature sensor is fitted into the side end of the sensor side support portion.
前記一方の前記凸部が、前記配管側支持部に形成され、
前記他方が、前記配管側支持部の前記凸部と互いに嵌め合い可能な前記凹部を有した配管側凹凸用支持部を備えていることを特徴とする温度センサ取付構造。 6. The temperature sensor mounting structure according to claim 4,
the one of the protrusions is formed on the pipe-side support portion,
a temperature sensor mounting structure characterized in that the other of the two supports comprises a pipe-side uneven support portion having a recess that can be fitted with the protrusion of the pipe-side support portion;
前記一方の前記配管側支持部に前記配管を嵌め込むと共に前記一方の前記センサ側支持部に前記温度センサを嵌め込み、さらに前記他方を前記配管の延在方向に前記一方から離間させた位置で前記他方の前記配管側支持部に前記配管を嵌め込んだ状態で、
前記他方が、前記一方に向けて前記配管の延在方向に移動させた際に前記センサ側支持部に前記温度センサを嵌め込み可能であると共に前記他方の前記凹部と前記一方の前記凸部とが互いに嵌め合い可能であることを特徴とする温度センサ取付構造。 The temperature sensor mounting structure according to any one of claims 4 to 6,
The pipe is fitted into one of the pipe-side support parts, the temperature sensor is fitted into one of the sensor-side support parts, and the pipe is fitted into the other of the pipe-side support parts at a position spaced apart from the other of the pipes in the extending direction of the pipes,
A temperature sensor mounting structure characterized in that when the other is moved toward the one in the direction of extension of the piping, the temperature sensor can be fitted into the sensor side support portion, and the recess of the other and the protrusion of the one can be fitted into each other.
前記一方の前記凸部が、前記センサ側支持部にも形成され、
前記他方が、前記一方の前記センサ側支持部の前記凸部と互いに嵌め合い可能な前記凹部を有したセンサ側凹凸用支持部を備えていることを特徴とする温度センサ取付構造。 8. The temperature sensor mounting structure according to claim 7,
the one of the protrusions is also formed on the sensor side support part,
a temperature sensor mounting structure, characterized in that the other of the two is provided with a sensor-side uneven support portion having a recess that can be fitted with the protrusion of the sensor-side support portion of the one of the two.
前記一方の前記配管側支持部に前記配管を嵌め込むと共に前記一方の前記センサ側支持部を前記温度センサに嵌め込み、さらに前記他方の前記センサ側支持部に前記温度センサを嵌め込んだ状態で、
前記他方が、前記温度センサの軸線を中心に回動させて前記配管側支持部に前記配管を嵌め込み可能であると共に前記他方の前記凸部と前記一方の前記凹部とが互いに嵌め合い可能であることを特徴とする温度センサ取付構造。 The temperature sensor mounting structure according to any one of claims 4 to 6,
the pipe is fitted into one of the pipe-side support parts, the temperature sensor is fitted into one of the sensor-side support parts, and the temperature sensor is fitted into the other sensor-side support part;
A temperature sensor mounting structure characterized in that the other can be rotated around the axis of the temperature sensor to fit the piping into the piping side support portion, and the convex portion of the other and the concave portion of the one can be fitted into each other.
前記センサ側支持部が、前記温度センサが嵌め込まれた状態で前記温度センサの軸線方向に互いに離間して複数対設けられていることを特徴とする温度センサ取付構造。 10. The temperature sensor mounting structure according to claim 9,
A temperature sensor mounting structure, characterized in that the sensor-side support portions are provided in pairs spaced apart from each other in the axial direction of the temperature sensor with the temperature sensor fitted therein.
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