JP4563068B2 - Temperature indicator - Google Patents

Temperature indicator Download PDF

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JP4563068B2
JP4563068B2 JP2004120416A JP2004120416A JP4563068B2 JP 4563068 B2 JP4563068 B2 JP 4563068B2 JP 2004120416 A JP2004120416 A JP 2004120416A JP 2004120416 A JP2004120416 A JP 2004120416A JP 4563068 B2 JP4563068 B2 JP 4563068B2
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temperature
case
predetermined
attached
low temperature
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JP2005300458A (en
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正 小池
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TLV Co Ltd
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TLV Co Ltd
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Description

本発明は、蒸気や温水の配管やこれらの高温流体を制御する弁や機器等の被測定物に取り付けて、被測定物の温度の高低を表示する温度表示器に関する。高温流体の配管や弁や機器の温度が判ると、火傷予防に役立つばかりでなく、弁の作動状態や機器の運転状態を知ることができる。例えば、蒸気配管系から蒸気は逃がさずに復水を自動的に排出するスチームトラップの場合は、所定の温度範囲であれば中温で正常であるが、所定温度範囲よりも高温であれば蒸気が漏れている高温異常と推測でき、所定温度範囲よりも低温であれば排水不足や排水不能の状態である低温異常と推測できる。   The present invention relates to a temperature indicator that is attached to an object to be measured such as a pipe for steam or hot water, or a valve or device for controlling these high-temperature fluids, and displays the temperature of the object to be measured. Knowing the temperature of high-temperature fluid piping, valves, and equipment not only helps prevent burns, but also knows the operating state of the valve and the operating state of the equipment. For example, in the case of a steam trap that automatically discharges condensate without escaping steam from the steam piping system, it is normal at a medium temperature if it is within a predetermined temperature range. It can be inferred that there is a leaking high temperature abnormality, and if the temperature is lower than the predetermined temperature range, it can be inferred that the drainage is insufficient or the drainage is impossible.

従来の温度表示器は、形状記憶合金で薄板を作り、その表面と裏面が別の色になるように着色し、所定温度よりも低温では薄板の表面が高温では変形して裏面が見えるように、上記薄板の一部を配管や弁の表面に固定したものである。   The conventional temperature indicator is made of a shape memory alloy to make a thin plate and colored so that the front and back surfaces have different colors, so that the surface of the thin plate is deformed at a high temperature below the predetermined temperature so that the back side can be seen. A part of the thin plate is fixed to the surface of a pipe or a valve.

上記従来の温度表示器は、所定温度を境にして低温であるか高温であるかを表示するものであり、所定温度よりも低温の場合に中温で正常であるのか低温で異常であるのかを区別できず、所定温度よりも高温の場合に中温で正常であるのか高温で異常であるのかを区別できない問題点があった。
実開昭６１−２１９４１号公報 The above-mentioned conventional temperature indicator displays whether the temperature is low or high at a predetermined temperature. If the temperature is lower than the predetermined temperature, it is normal at medium temperature or abnormal at low temperature. There is a problem in that it cannot be distinguished, and when it is higher than a predetermined temperature, it cannot be distinguished whether it is normal at medium temperature or abnormal at high temperature.
Japanese Utility Model Publication No. 61-211941

解決しようとする課題は、低温と中温と高温を確認できるようにすることである。   The problem to be solved is to be able to confirm low, medium and high temperatures.

本発明は、被測定物に取付けられるケースと、ケース内に一端側が取付けられ温度変化により収縮あるいは伸張する温度応動部材と、温度応動部材の他端側に取付けられ温度応動部材の収縮あるいは伸張によりケースの軸心方向に変位する可動部材と、可動部材の一端側に取付けられ所定の低温以下になるとケースから突出する低温表示部と、可動部材の他端側に取付けられ所定の高温以上になるとケースから突出する高温表示部とを有し、温度応動部材は短冊状のバイメタル平板を螺旋状に巻いて作ったつる巻き形をもう一度螺旋状に巻いて２重つる巻き形に形成してあり、所定の低温よりも高温乃至所定の高温よりも低温になると低温表示部と高温表示部は共にケース内に没入し、所定の低温以下になると高温表示部はケース内に没入しているが低温表示部がケースから突出し、所定の高温以上になると低温表示部はケース内に没入しているが高温表示部がケースから突出することを特徴とする。 The present invention includes a case attached to an object to be measured, a temperature responsive member attached to one end of the case and contracted or expanded by a temperature change, and attached to the other end of the temperature responsive member by contracting or extending the temperature responsive member. A movable member that is displaced in the axial direction of the case, a low temperature display portion that is attached to one end side of the movable member and protrudes from the case when the temperature is lower than a predetermined low temperature, and is attached to the other end side of the movable member and is higher than a predetermined high temperature and a high-temperature display portion projecting from the case, the temperature responsive member is Ri by winding a strip-shaped bimetal flat in a helical shape made by winding spirally again spirally formed double helical form Thea When the temperature is lower than the predetermined low temperature or lower than the predetermined high temperature, both the low temperature display portion and the high temperature display portion are immersed in the case, and when the temperature is lower than the predetermined low temperature, the high temperature display portion is immersed in the case. There is projecting cold display unit from the case, but the low temperature display unit becomes equal to or larger than a predetermined high temperature is retracted into the case, characterized in Rukoto protruding hot display unit from the case.

本発明は、低温と中温と高温を確認できるので、排水不足や排水不能のような低温異常と、正常と、蒸気漏れのような高温異常とを判別できるという優れた効果を生じる。   Since this invention can confirm low temperature, medium temperature, and high temperature, it produces the outstanding effect that low temperature abnormality, such as insufficient drainage or inability to drain, and normal, high temperature abnormality such as steam leakage can be distinguished.

本発明は、所定の低温よりも高温乃至所定の高温よりも低温になると低温表示部と高温表示部は共にケース内に没入し、所定の低温以下になると高温表示部はケース内に没入しているが低温表示部がケースから突出し、所定の高温以上になると低温表示部はケース内に没入しているが高温表示部がケースから突出するものである。そのため、低温表示部のケースからの突出を確認することにより所定の温度範囲よりも低温であることを確認でき、高温表示部のケースからの突出を確認することにより所定の温度範囲よりも高温であることを確認でき、低温表示部及び高温表示部のケースに対する没入を確認することにより所定の温度範囲の中温であることを確認できる。 In the present invention, when the temperature is lower than the predetermined low temperature or lower than the predetermined high temperature, both the low temperature display portion and the high temperature display portion are immersed in the case, and when the temperature is lower than the predetermined low temperature, the high temperature display portion is immersed in the case. However, the low temperature display part protrudes from the case, and when the temperature becomes higher than a predetermined high temperature, the low temperature display part is immersed in the case, but the high temperature display part protrudes from the case. Therefore, it can be confirmed that the temperature is lower than the predetermined temperature range by confirming the protrusion from the case of the low temperature display part, and the temperature is higher than the predetermined temperature range by confirming the protrusion from the case of the high temperature display part. It can be confirmed that the temperature is within a predetermined temperature range by confirming the immersion of the low temperature display portion and the case of the high temperature display portion.

上記の技術的手段の具体例を示す実施例を説明する（図１と図２参照）。温度表示器１のケース２は断面がそれぞれ六角形の筒から成る左本体３と右本体４とから形成し、左本体３の右端部を右本体４の左端部に圧入して固定する。左本体３と右本体４は熱伝導率の高いアルミニウムで形成する。左本体３と右本体４はそれぞれ四角形等の多角形に形成したり円筒状に形成したりしてもよい。左本体３は中心に貫通孔５を開けた隔壁６を一体に有し、右本体４は中心に貫通孔７を開けた隔壁８を一体に有する。ケース２内に貫通孔５と貫通孔７を貫通して可動部材９を配置する。可動部材９は貫通孔５と貫通孔７に案内されてケース２の軸心方向に変位する。右本体４の隔壁８にバイメタルから成る温度応動部材１０の一端（右端）側を溶接して取付ける。可動部材９のほぼ中央部に温度応動部材１０の他端（左端）側を溶接して取付ける。可動部材の９一端（右端）側に断面がコの字状の低温表示部１１を止ねじ１２で取付け、可動部材９の他端（左端）側に断面がコの字状の高温表示部１３を止ねじ１４で取付ける。   An embodiment showing a specific example of the above technical means will be described (see FIGS. 1 and 2). The case 2 of the temperature indicator 1 is formed of a left main body 3 and a right main body 4 each having a hexagonal cross section, and the right end portion of the left main body 3 is press-fitted into the left end portion of the right main body 4 and fixed. The left main body 3 and the right main body 4 are made of aluminum having a high thermal conductivity. Each of the left main body 3 and the right main body 4 may be formed in a polygonal shape such as a quadrangle or a cylindrical shape. The left main body 3 integrally includes a partition wall 6 having a through hole 5 in the center, and the right main body 4 integrally includes a partition wall 8 having a through hole 7 in the center. A movable member 9 is disposed in the case 2 through the through hole 5 and the through hole 7. The movable member 9 is guided in the through hole 5 and the through hole 7 and is displaced in the axial direction of the case 2. One end (right end) side of the temperature-responsive member 10 made of bimetal is welded to the partition wall 8 of the right main body 4. The other end (left end) side of the temperature responsive member 10 is welded and attached to substantially the center of the movable member 9. A cold display section 11 having a U-shaped cross section is attached to one end (right end) side of the movable member 9 with a set screw 12, and a high temperature display section 13 having a U-shaped cross section is mounted on the other end (left end) side of the movable member 9. Is attached with a set screw 14.

バイメタルは熱膨張係数の異なる２種類の金属または合金を強固に一体に接着して板状に仕上げたもので、温度変化に応じて湾曲するものであり、本実施例の温度応動部材１０は、短冊状のバイメタル平板を螺旋状に巻いて作ったつる巻き形をもう一度螺旋状に巻いて２重つる巻き形に形成する。最初のつる巻き形のときに内側が低膨張材料に外側が高膨張材料に成るようにする。このつる巻き形の場合、高温になると半径が小さくなり長さが長くなり、低温になるとこれとは逆に作用する。そして、これを用いて作った２重つる巻き形の場合、高温になると半径が小さくなり長さが長くなり、低温になるとこれとは逆に作用する。   The bimetal is obtained by firmly bonding two kinds of metals or alloys having different thermal expansion coefficients into a plate shape, and bends in response to a temperature change. A spiral winding made by spirally winding a strip-shaped bimetal flat plate is spirally wound again to form a double spiral winding. In the first spiral shape, the inside is made of a low expansion material and the outside is made of a high expansion material. In the case of this helically wound shape, the radius becomes smaller and the length becomes longer when the temperature is high, and the opposite action occurs when the temperature is low. And in the case of the double helix formed using this, the radius becomes smaller and the length becomes longer when the temperature becomes high, and the opposite action is exerted when the temperature becomes low.

この温度表示器１を被測定物としての例えばバイメタル式スチームトラップ１５の外表面に例えば接着テープ１６で取付ける。温度応動部材１０はバイメタル式スチームトラップ１５の温度が低下すると収縮して可動部材９を右方向に変位させ、バイメタル式スチームトラップ１５の温度が上昇すると伸張して可動部材９を左方向に変位させる。バイメタル式スチームトラップ１５が正常に作動し、例えば６５度Ｃ乃至７５度Ｃ前後の設定温度以下の復水を自動的に排出していると、低温表示部１１と高温表示部１３は共にケース２内に没入している。これにより、正常であると確認できる。バイメタル式スチームトラップ１５が排水不足や排水不能の状態となり所定の低温例えば６０度Ｃ以下になると、温度応動部材１０が収縮して可動部材９が右方向に変位し、高温表示部１３はケース２内に没入しているが、低温表示部１１がケース２から突出する。これにより、排水不足や排水不能の状態である低温異常を確認できる。バイメタル式スチームトラップ１５が設定温度以上の復水や蒸気を漏洩し所定の高温例えば８０度Ｃ以上になると、温度応動部材１０が伸張して可動部材９が左方向に変位し、低温表示部１１はケース２内に没入しているが、高温表示部１３がケース２から突出する。これにより、蒸気が漏れている高温異常を確認できる。   The temperature indicator 1 is attached to, for example, an adhesive tape 16 on the outer surface of a bimetal type steam trap 15 as an object to be measured. The temperature responsive member 10 contracts to displace the movable member 9 when the temperature of the bimetallic steam trap 15 decreases, and expands to displace the movable member 9 to the left when the temperature of the bimetallic steam trap 15 increases. . When the bimetal steam trap 15 operates normally and, for example, condensate below a set temperature of about 65 ° C. to 75 ° C. is automatically discharged, both the low temperature display portion 11 and the high temperature display portion 13 are in the case 2. I'm immersed in it. Thereby, it can confirm that it is normal. When the bimetal steam trap 15 is in a state where drainage is insufficient or cannot be drained and the temperature becomes a predetermined low temperature, for example, 60 ° C. or less, the temperature responsive member 10 contracts and the movable member 9 is displaced to the right. Although it is immersed, the low temperature display part 11 protrudes from the case 2. Thereby, the low temperature abnormality which is a state with insufficient drainage or inability to drain can be confirmed. When the bimetal steam trap 15 leaks condensate or steam at a set temperature or higher and reaches a predetermined high temperature, for example, 80 ° C. or higher, the temperature responsive member 10 expands and the movable member 9 is displaced to the left. Is immersed in the case 2, but the high temperature display portion 13 protrudes from the case 2. Thereby, the high temperature abnormality which the steam is leaking can be confirmed.

本発明の実施例の温度表示器の断面図。Sectional drawing of the temperature indicator of the Example of this invention. 本発明の実施例の温度表示器をバイメタル式スチームトラップに取付けた状態を示す正面図。The front view which shows the state which attached the temperature indicator of the Example of this invention to the bimetal type steam trap.

符号の説明Explanation of symbols

１ 温度表示器
２ ケース
３ 左本体
４ 右本体
５，７ 貫通孔
６，８ 隔壁
９ 可動部材
１０ 温度応動部材
１１ 低温表示部
１３ 高温表示部
１５ バイメタル式スチームトラップ
１６ 接着テープ
DESCRIPTION OF SYMBOLS 1 Temperature indicator 2 Case 3 Left main body 4 Right main body 5,7 Through-hole 6,8 Bulkhead 9 Movable member 10 Temperature response member 11 Low temperature display part 13 High temperature display part 15 Bimetal type steam trap 16 Adhesive tape

Claims (1)

被測定物に取付けられるケースと、ケース内に一端側が取付けられ温度変化により収縮あるいは伸張する温度応動部材と、温度応動部材の他端側に取付けられ温度応動部材の収縮あるいは伸張によりケースの軸心方向に変位する可動部材と、可動部材の一端側に取付けられ所定の低温以下になるとケースから突出する低温表示部と、可動部材の他端側に取付けられ所定の高温以上になるとケースから突出する高温表示部とを有し、温度応動部材は短冊状のバイメタル平板を螺旋状に巻いて作ったつる巻き形をもう一度螺旋状に巻いて２重つる巻き形に形成してあり、所定の低温よりも高温乃至所定の高温よりも低温になると低温表示部と高温表示部は共にケース内に没入し、所定の低温以下になると高温表示部はケース内に没入しているが低温表示部がケースから突出し、所定の高温以上になると低温表示部はケース内に没入しているが高温表示部がケースから突出することを特徴とする温度表示器。 A case attached to the object to be measured, a temperature responsive member attached to one end of the case and contracted or expanded due to a temperature change, and an axis of the case attached to the other end of the temperature responsive member by contraction or extension of the temperature responsive member A movable member that is displaced in the direction, a low temperature display portion that is attached to one end side of the movable member and protrudes from the case when the temperature is lower than a predetermined low temperature, and a protrusion that is attached to the other end side of the movable member and protrudes from the case when the temperature is higher than a predetermined high temperature. and a high-temperature display, the temperature responsive member is Ri wound in a helical shape made by winding a strip-shaped bimetal flat spirally again spirally formed double helical shape tare, predetermined low temperature When the temperature is lower than the predetermined temperature or higher than the predetermined high temperature, the low temperature display portion and the high temperature display portion are both immersed in the case, and when the temperature is lower than the predetermined low temperature, the high temperature display portion is immersed in the case. Temperature indicator protrudes display unit from the case, but the low temperature display unit becomes equal to or larger than a predetermined high temperature is retracted into the case, characterized in Rukoto protruding hot display unit from the case.
JP2004120416A 2004-04-15 2004-04-15 Temperature indicator Expired - Lifetime JP4563068B2 (en)

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JP4563068B2 true JP4563068B2 (en) 2010-10-13

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007218686A (en) * 2006-02-15 2007-08-30 Tlv Co Ltd Temperature indicator
JP2007248262A (en) * 2006-03-16 2007-09-27 Tlv Co Ltd Temperature indicator
JP4838023B2 (en) * 2006-03-16 2011-12-14 株式会社テイエルブイ Temperature indicator
JP2008122344A (en) * 2006-11-15 2008-05-29 Tlv Co Ltd Temperature indicator
JP2008151584A (en) * 2006-12-15 2008-07-03 Tlv Co Ltd Temperature indicator
JP5236595B2 (en) * 2009-08-12 2013-07-17 株式会社テイエルブイ Temperature-responsive valve
JP5620189B2 (en) * 2010-08-11 2014-11-05 株式会社テイエルブイ steam trap
CN107063500B (en) * 2016-10-20 2023-10-20 云南电网有限责任公司电力科学研究院 Memory alloy spring fault indicator for detecting power transmission line connection point
JP6531310B1 (en) * 2018-04-17 2019-06-19 株式会社エコファースト Monitoring system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5719541B2 (en) * 1977-06-20 1982-04-23
JPS6088243U (en) * 1983-11-25 1985-06-17 フジコントロ−ルズ株式会社 temperature sensor
JPS6126897Y2 (en) * 1980-08-08 1986-08-12
JPH01124533U (en) * 1988-02-15 1989-08-24
JPH02203225A (en) * 1989-02-02 1990-08-13 Furukawa Electric Co Ltd:The Temperature display device
JPH04315Y2 (en) * 1987-08-26 1992-01-07
JPH0632638Y2 (en) * 1988-03-19 1994-08-24 日本サーモスタツト株式会社 Double coil bimetal mounting structure
JP2629841B2 (en) * 1988-06-16 1997-07-16 株式会社デンソー Skin temperature simulation sensor
JPH1019685A (en) * 1996-07-05 1998-01-23 Advance Co Ltd Temperature indicator for food
JP2001330514A (en) * 2000-05-23 2001-11-30 Hiyouda Keiki Kogyo Kk Bimetal type temperature indicator
JP2003042856A (en) * 2001-08-02 2003-02-13 Miyawaki Inc Temperature detector

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5719541B2 (en) * 1977-06-20 1982-04-23
JPS6126897Y2 (en) * 1980-08-08 1986-08-12
JPS6088243U (en) * 1983-11-25 1985-06-17 フジコントロ−ルズ株式会社 temperature sensor
JPH04315Y2 (en) * 1987-08-26 1992-01-07
JPH01124533U (en) * 1988-02-15 1989-08-24
JPH0632638Y2 (en) * 1988-03-19 1994-08-24 日本サーモスタツト株式会社 Double coil bimetal mounting structure
JP2629841B2 (en) * 1988-06-16 1997-07-16 株式会社デンソー Skin temperature simulation sensor
JPH02203225A (en) * 1989-02-02 1990-08-13 Furukawa Electric Co Ltd:The Temperature display device
JPH1019685A (en) * 1996-07-05 1998-01-23 Advance Co Ltd Temperature indicator for food
JP2001330514A (en) * 2000-05-23 2001-11-30 Hiyouda Keiki Kogyo Kk Bimetal type temperature indicator
JP2003042856A (en) * 2001-08-02 2003-02-13 Miyawaki Inc Temperature detector

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