JPH04135Y2 - - Google Patents
Info
- Publication number
- JPH04135Y2 JPH04135Y2 JP18250685U JP18250685U JPH04135Y2 JP H04135 Y2 JPH04135 Y2 JP H04135Y2 JP 18250685 U JP18250685 U JP 18250685U JP 18250685 U JP18250685 U JP 18250685U JP H04135 Y2 JPH04135 Y2 JP H04135Y2
- Authority
- JP
- Japan
- Prior art keywords
- water meter
- heat
- water
- heating ring
- heat pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 79
- 238000010438 heat treatment Methods 0.000 claims description 19
- 230000002528 anti-freeze Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000007710 freezing Methods 0.000 description 8
- 230000008014 freezing Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
- Pipe Accessories (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は量水器の凍結防止装置に係り、地熱を
利用して量水器の凍結破壊を防止するものに関す
る。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to an anti-freezing device for a water meter, and more particularly, to a device that uses geothermal heat to prevent the water meter from freezing and breaking.
従来、この種の量水器の凍結防止装置として
は、たとえば、実開昭55−59775号公報に記載さ
れているように、量水器筐体の底板に下部の吸熱
部を地中に埋設するヒートパイプの上部の放熱部
を設けた構造が知られている。
Conventionally, this type of antifreeze device for a water meter has a lower heat absorbing part buried underground in the bottom plate of the water meter housing, as described in Japanese Utility Model Application Publication No. 55-59775. A structure in which a heat dissipation section is provided at the top of a heat pipe is known.
そして、前記ヒートパイプの吸熱部で吸収した
地熱を放熱部から量水器筐体内に放熱するように
したものである。 The geothermal heat absorbed by the heat absorbing part of the heat pipe is radiated into the water meter housing from the heat radiating part.
前記従来の構造では、量水器筐体内は地熱によ
つて加温される一方、量水器筐体内に侵入する冷
気により量水器内の水は上部から冷却されその温
度が4℃になると対流が止まり量水器内の水が凍
結されるという問題がある。
In the conventional structure, the inside of the water meter housing is heated by geothermal heat, while the water inside the water meter is cooled from the top by the cold air that enters the water meter housing, and when the temperature reaches 4℃. There is a problem that convection stops and the water in the water meter freezes.
またヒートパイプの放熱部を量水器の下部に突
出する構造では、既設の量水器に対しては、この
量水器をいつたん撤去しないかぎりセツトできな
いという問題がある。 Further, in a structure in which the heat dissipation part of the heat pipe protrudes from the lower part of the water meter, there is a problem that it cannot be installed in an existing water meter unless the water meter is removed.
そこで、本考案は前記点に鑑みなされたもの
で、量水器の上部に地熱を直接熱伝導できるよう
にし、この地熱によつて量水器の上部を確実に加
温してその凍結を防止でき、かつまた既設の量水
器に対しても容易にセツトできる量水器の凍結防
止装置を提供することを目的としたものである。 Therefore, the present invention was developed in view of the above points, and allows direct heat conduction of geothermal heat to the upper part of the water meter, and uses this geothermal heat to reliably heat the upper part of the water meter and prevent it from freezing. It is an object of the present invention to provide a water meter freezing prevention device that can be easily installed in an existing water meter.
本考案は、量水器7の外側部に当接してその下
部吸熱部18を地中に埋設するようにしたヒート
パイプ17の上部放熱部19に熱伝導性を有する
加熱リング20を一体的に固着し、前記加熱リン
グ20を量水器7の胴体上部外周に巻回取着する
ことを特徴とするものである。
In the present invention, a heat conductive heating ring 20 is integrally attached to the upper heat radiating part 19 of the heat pipe 17, which contacts the outer part of the water meter 7 and has its lower heat absorbing part 18 buried underground. It is characterized in that the heating ring 20 is wound around the outer periphery of the upper body of the water meter 7.
本考案の量水器の凍結防止装置は、ヒートパイ
プ17の下部吸熱部18を地中に埋設することに
より、量水器7の胴体上部外周に締付けた加熱リ
ング20にヒートパイプ17の下部吸熱部18で
吸収された地熱が上部放熱部19から熱伝導さ
れ、この加熱リング20によつて量水器7の胴体
上部外周が加温されこの量水器7内の水の冷却凍
結が防止される。
The antifreeze device for a water meter of the present invention has the lower heat absorbing part 18 of the heat pipe 17 buried underground, and the lower heat absorbing part 18 of the heat pipe 17 is attached to the heating ring 20 fastened to the outer periphery of the upper body of the water meter 7. The geothermal heat absorbed by the water meter 7 is thermally conducted from the upper heat radiating portion 19, and the outer periphery of the upper body of the water meter 7 is heated by the heating ring 20, thereby preventing the water in the water meter 7 from cooling and freezing. Ru.
本考案の一実施例の構成を第1図によつて説明
する。
The configuration of an embodiment of the present invention will be explained with reference to FIG.
1は量水器筐体で、断熱材2を介在させた周囲
枠3と、断熱材4を内張した蓋板5と、底板6と
により構成されている。 Reference numeral 1 denotes a water meter housing, which is composed of a surrounding frame 3 with a heat insulating material 2 interposed therebetween, a lid plate 5 lined with a heat insulating material 4, and a bottom plate 6.
前記筐体1内には量水器7が配置され、この量
水器7には導水管8,8が接続され、この導水管
8,8は前記周囲枠3の導水管通孔9,9から外
部へ導出され、一方の導水管8には量水器7に接
近して止水栓10が設けられている。 A water meter 7 is disposed within the housing 1, and water pipes 8, 8 are connected to the water meter 7, and these water pipes 8, 8 are connected to water pipe through holes 9, 9 of the surrounding frame 3. A water stop valve 10 is provided in one of the water conduit pipes 8 near the water meter 7 .
11は、発泡ポリプロピレン、発泡ポリエチレ
ン等の合成樹脂にて成形された保温カバー体で、
この保温カバー体11は前記量水器7に対して上
方から帽状に被嵌されるように下面が開口され、
その上面には前記量水器7の目盛板に臨ませた窓
孔12が形成され、この窓孔12には前記量水器
7の蓋板7aが開閉自在に取着されており、さら
にその両側壁には下端よりU字型に切込まれた導
水管嵌合孔13,13が形成されている。 11 is a heat insulation cover body molded from synthetic resin such as foamed polypropylene and foamed polyethylene;
The heat insulating cover body 11 has an open bottom surface so as to be fitted over the water meter 7 from above in a cap shape,
A window hole 12 facing the scale plate of the water meter 7 is formed on the top surface of the water meter 7, and a lid plate 7a of the water meter 7 is attached to the window hole 12 so as to be openable and closable. U-shaped water pipe fitting holes 13, 13 are formed in both side walls from the lower ends.
14は合成樹脂にて成形された載置台で、この
載置台14は前記量水器7と前記筐体1の底板6
との間に移動可能に配置され、前記量水器7を載
置支持するようになつている。 Reference numeral 14 denotes a mounting table molded from synthetic resin, and this mounting table 14 supports the water meter 7 and the bottom plate 6 of the housing 1.
It is movably disposed between the water meter 7 and supports the water meter 7 thereon.
さらに17は棒状のヒートパイプで、その下側
部は地中に埋設する下部吸熱部18となつてお
り、またその上側部には前記量水器7の外側部に
当接する上部放熱部19となつており、かつこの
上部放熱部19の上端部には熱伝導性の良いたと
えば銅製の加熱リング20が溶接によつて一体的
に固着されている。この加熱リング20は、前記
上部放熱部19との固着部から両側に前記量水器
7の胴体上部外周に巻回当接する弧状に延在した
抱持片部21を有し、この両側の抱持片部21の
自由両端部に締付片部22が相対して折曲形成さ
れ、この相対する締付片部22はねじ例えばボル
ト・ナツト23にて締着されるようになつてい
る。また前記ヒートパイプ17には、例えばフロ
ンガス等の熱媒体が封入され、このヒートパイプ
17を地中に挿し込むと、ヒートパイプ17内で
地熱を吸熱して蒸発したガスが上部放熱部19か
ら加熱リング20に接して放熱して凝縮するとと
もに流下し再び地熱を吸収して蒸発する作用をく
り返し加熱リング20に地熱を吸収させこれを量
水器7の胴体上部外周に熱伝導させるようになつ
ている。 Furthermore, 17 is a rod-shaped heat pipe, the lower part of which serves as a lower heat absorbing part 18 buried underground, and the upper part thereof has an upper heat radiating part 19 that comes into contact with the outer part of the water meter 7. A heating ring 20 made of, for example, copper and having good thermal conductivity is integrally fixed to the upper end of the upper heat radiation part 19 by welding. This heating ring 20 has holding piece parts 21 extending in an arc shape from a fixed part to the upper heat radiating part 19 on both sides to wrap around and come into contact with the outer periphery of the upper body of the water meter 7. Tightening piece parts 22 are formed by bending opposite to each other at both free ends of the holding piece part 21, and these opposing fastening piece parts 22 are adapted to be fastened with screws, for example, bolts and nuts 23. Further, the heat pipe 17 is filled with a heat medium such as fluorocarbon gas, and when the heat pipe 17 is inserted into the ground, the gas that absorbs geothermal heat in the heat pipe 17 and evaporates is heated from the upper heat radiating part 19. The heating ring 20 absorbs geothermal heat by repeating the action of radiating heat in contact with the ring 20, condensing it, flowing down, absorbing the geothermal heat again, and evaporating, so that the heating ring 20 absorbs the geothermal heat and conducts the heat to the outer periphery of the upper body of the water meter 7. There is.
次にこの実施例の作用を説明する。 Next, the operation of this embodiment will be explained.
量水器筐体1内において第3図に示すように量
水器7の下側部に載置台14を配置してこの載置
台14上に量水器7を載置し、量水器筐体1の底
板6の通孔15にヒートパイプ17を挿入すると
ともに、その下部吸熱部18を地中に埋設する。
またこのヒートパイプ17と一体的の加熱リング
20の両側の抱持片部21を量水器7の胴体上部
外周に対して巻回囲繞するように当接し、この両
側の抱持片部21の締付片部22をボルト・ナツ
ト23によつて締着する。これによりヒートパイ
プ17は量水器7に直接セツトされる。 As shown in FIG. 3 in the water meter housing 1, a mounting table 14 is arranged on the lower side of the water meter 7, and the water meter 7 is placed on this mounting table 14. A heat pipe 17 is inserted into the through hole 15 of the bottom plate 6 of the body 1, and its lower heat absorbing part 18 is buried underground.
Further, the holding pieces 21 on both sides of the heating ring 20 integrated with the heat pipe 17 are brought into contact with the outer periphery of the upper body of the water meter 7 so as to wrap around it. The tightening piece 22 is tightened with bolts and nuts 23. Thereby, the heat pipe 17 is directly set in the water meter 7.
つぎに、量水器7に保温カバー体11をその上
方から被嵌するとともに、この保温カバー体11
の下端開口縁部を前記載置台14上に載置する。
これにより、量水器7は被覆され量水器筐体1内
に侵入した冷気から保護される。そして、ヒート
パイプ17の下部吸熱部18によつて吸熱された
地熱が上部放熱部19から加熱リング20に熱伝
導されるとともに、この加熱リング20によつて
量水器7の胴体上部外周が加温される。またこの
際、量水器7は保温カバー体11と載置台14と
によつて全体が囲まれているから上部放熱部19
及び加熱リング20から放熱される熱が逃げ難く
量水器7の周囲に確保される。 Next, the heat insulating cover body 11 is fitted onto the water meter 7 from above, and this heat insulating cover body 11
Place the lower end opening edge on the mounting table 14.
Thereby, the water meter 7 is covered and protected from the cold air that has entered the water meter housing 1. The geothermal heat absorbed by the lower heat absorbing part 18 of the heat pipe 17 is thermally conducted from the upper heat radiating part 19 to the heating ring 20, and the outer periphery of the upper body of the water meter 7 is heated by the heating ring 20. Be warmed. Also, at this time, since the water meter 7 is entirely surrounded by the heat insulating cover body 11 and the mounting table 14, the upper heat radiating part 19
The heat radiated from the heating ring 20 is secured around the water meter 7 without escaping easily.
したがつて通常は水が凍結しはじめる位置の量
水器7の胴体上部外周を地熱によつて直接加温
し、さらには量水器7を地熱による温かい雰囲気
中に包含することによつて量水器7中の水の対流
が確保され、これが凍結することが防止される。 Therefore, the outer periphery of the upper body of the water meter 7, where the water usually begins to freeze, is directly heated by geothermal heat, and furthermore, the water meter 7 is placed in a warm atmosphere generated by the geothermal heat, thereby increasing the amount of water. Convection of water in the water container 7 is ensured and it is prevented from freezing.
なお、検針時には筐体1の蓋板5を開けると、
保温カバー体11で被覆された量水器7の目盛板
の部分だけが窓孔12から見ることができるので
検針時には保温カバー体11を取外す必要がな
い。 In addition, when you open the cover plate 5 of the housing 1 when reading the meter,
Since only the scale plate portion of the water meter 7 covered with the heat-insulating cover body 11 can be seen through the window hole 12, there is no need to remove the heat-insulating cover body 11 when reading the meter.
本考案によれば、地熱を吸熱するヒートパイプ
の上部に加熱リングを一体に固着し、この加熱リ
ングを量水器の胴体上部外周に巻回取着すること
により、水が凍結しはじめる量水器の上部位置に
地熱を直接熱伝導することができるから量水器の
上部位置が確実に保温され量水器中の水の凍結を
確実に防止することができる。
According to the present invention, a heating ring is integrally fixed to the upper part of a heat pipe that absorbs geothermal heat, and this heating ring is wound and attached to the outer circumference of the upper body of a water meter. Since geothermal heat can be directly conducted to the upper part of the water dispenser, the upper part of the water dispenser can be reliably kept warm and the water in the water dispenser can be reliably prevented from freezing.
またヒートパイプは、加熱リングを量水器の胴
体上部外周に締付けることにより量水器の側部に
配設されるので、既設の量水器に対しても容易に
セツトすることができる。したがつて簡単な構造
により量水器の機能を確実に確保できる量水器の
凍結防止装置を提供することができる。 Further, since the heat pipe is disposed on the side of the water meter by tightening the heating ring to the outer periphery of the upper body of the water meter, it can be easily set into an existing water meter. Therefore, it is possible to provide a freezing prevention device for a water meter that can reliably ensure the function of the water meter with a simple structure.
図は本考案の一実施例を示すもので、第1図は
量水器の凍結防止装置の断面図、第2図は同上加
熱リングの平面図、第3図は第1図において量水
器筐体及び保温カバー体を取外した状態の平面図
である。
7……量水器、17……ヒートパイプ、18…
…下部吸熱部、19……上部放熱部、20……加
熱リング。
The figures show one embodiment of the present invention, in which Figure 1 is a sectional view of the antifreeze device for a water meter, Figure 2 is a plan view of the same heating ring, and Figure 3 is the same as that of the water meter in Figure 1. FIG. 3 is a plan view with the casing and heat-insulating cover body removed. 7...Water meter, 17...Heat pipe, 18...
...Lower heat absorption part, 19...Upper heat radiation part, 20...Heating ring.
Claims (1)
上部放熱部に両端に締付片部を形成した熱伝導性
を有する加熱リングを一体的に固着し、この加熱
リングを量水器の胴体上部外周に巻回取着するこ
とを特徴とする量水器の凍結防止装置。 A thermally conductive heating ring with fastening pieces formed at both ends is integrally fixed to the upper heat radiation part of the heat pipe whose lower heat absorption part is buried underground, and this heating ring is attached to the upper body of the water meter. A water meter antifreeze device characterized by being wound around the outer periphery of the device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18250685U JPH04135Y2 (en) | 1985-11-27 | 1985-11-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18250685U JPH04135Y2 (en) | 1985-11-27 | 1985-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6289353U JPS6289353U (en) | 1987-06-08 |
JPH04135Y2 true JPH04135Y2 (en) | 1992-01-06 |
Family
ID=31128368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18250685U Expired JPH04135Y2 (en) | 1985-11-27 | 1985-11-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04135Y2 (en) |
-
1985
- 1985-11-27 JP JP18250685U patent/JPH04135Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6289353U (en) | 1987-06-08 |
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