WO2006038393A1 - 発熱ホース - Google Patents
発熱ホース Download PDFInfo
- Publication number
- WO2006038393A1 WO2006038393A1 PCT/JP2005/015617 JP2005015617W WO2006038393A1 WO 2006038393 A1 WO2006038393 A1 WO 2006038393A1 JP 2005015617 W JP2005015617 W JP 2005015617W WO 2006038393 A1 WO2006038393 A1 WO 2006038393A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hose
- heat generating
- heat
- hollow portion
- generating layer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/58—Heating hoses; Heating collars
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
- F16L11/127—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting electrically conducting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/01—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
- F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
Definitions
- the present invention relates to a heat generating hose. More specifically, the heat generating hose of the present invention is suitably used for heating a material to be heated that passes through the hollow portion or is filled in the hollow portion.
- a heat generating hose has been proposed in which a linear heating element is provided on the wall surface of a water supply hose to prevent water from freezing in the water supply hose at low temperatures (see Patent Documents 1 and 2).
- a heat generating hose water in the hose is heated, so that the water does not freeze in the hose at a low temperature. Thereby, clogging of the hose, breakage of the hose, etc. can be prevented.
- Such a heat generation hose is used, for example, as a water supply hose for an automatic car wash machine in a car wash.
- Patent Documents 3 and 4 show other hoses having a heat generating action.
- Patent Document 1 JP-A-8-247346
- Patent Document 2 JP-A-8-247347
- Patent Document 3 Japanese Patent Laid-Open No. 2004-162827
- Patent Document 4 Japanese Patent Laid-Open No. 2001-99363
- an object of the present invention is to provide a heat generating hose which has a simple configuration, does not require labor for manufacturing, and is advantageous in terms of cost.
- the present invention has the following constitutional power.
- a hose body having a hollow portion; a heat generating layer embedded in the hose body and containing a conductive material;
- An exothermic hose comprising: an electrode for supplying electric power to the exothermic layer.
- the heat generating layer generates heat.
- the generated heat is transferred to the hollow portion through the hose body covering the heat generating layer, and the inside of the hollow portion is heated by calorie.
- the heated material can be suitably heated by allowing the heated material to pass through or filling the hollow portion.
- the heat generating hose in the present invention can be easily manufactured because the hose body and the heat generating layer are integrally formed by two-color extrusion molding using the electrode as an insert. In addition, since it can be easily cut to a desired length, it is easy to adjust the length according to the application and installation location, and it is easy to use.
- the material of the hose body is preferably a non-conductive and flexible material.
- EPT ethylene propylene terpolymer
- rubber material such as butyl rubber
- organic elastomer such as urethane elastomer
- synthetic resin such as phenol resin
- natural resin such as natural rubber, etc.
- the shape of the hose body is a tube shape with a hollow portion continuous in the longitudinal direction.
- the hollow portion can conduct a fluid such as water or can be filled with a heat storage material.
- the hose body includes a heat generating layer described later.
- the heat generating layer is embedded in the hose body.
- the heat generating layer and the hollow portion are separated from each other by the hose body.
- the hose body also serves as a protective layer that protects the heat generating layer with the hollow portion and external force.
- the hose body may have a side hole communicating with the hollow portion on the side surface. According to the powerful configuration, the fluid that conducts through the hollow portion can also be discharged from the side hole.
- the shape of the side hole can be determined in consideration of the shape, application and installation location of the heat generating hose. As long as the side hole is located at a position where the heat generating layer is not exposed by the side hole, it can be set to a desired position in consideration of the traveling direction of the fluid discharged from the side hole.
- the material of the heat generation layer is a heat generating composition in which a conductive material is dispersed in a binder material.
- Binder materials include EPT (ethylene propylene terpolymer), rubber materials such as butyl rubber, organic elastomers such as urethane elastomers, thermosetting synthetic resins such as phenol resin, and thermoplastic resins such as polyvinyl alcohol. Take synthetic resin Can be used. Among them, it is preferable to use an organic elastomer. This is because the heat generating hose can be given flexibility and impact resistance.
- the conductive material general-purpose materials such as graphite, carbon black, carbon fiber, mesocarbon microbeads, and carbon nanomaterials can be used.
- the material of the heat generating layer may be blended with other auxiliary agents such as a stabilizer, a foaming material, a reinforcing material, and a coloring agent.
- An exothermic composition can be prepared by kneading each of the above materials.
- the heat generating layer is formed so as to be embedded in the hose body by extrusion molding together with the exothermic composition and the resin forming the hose body described above.
- the arrangement of the heat generating layer is not particularly limited, but it is preferable to arrange it so as to cover the hollow part. This is because the heat conduction efficiency to the hollow portion is increased.
- the electrode can adopt any shape and structure as long as it can supply power to the heat generating layer and generate heat.
- a linear conductive wire is employed as the electrode.
- the linear conductive wire is embedded in the heat generation layer along the longitudinal direction of the heat generation hose and connected to the power source at the end of the heat generation hose. Thereby, electric power is supplied to the heat generating layer substantially evenly in the longitudinal direction of the heat generating hose.
- the hollow portion is filled with a heat storage material.
- the heat storage material is not particularly limited as long as it can store the heat generated by the heat generation layer, and a well-known material can be used.
- a polymer material such as gelled paraffin can be used as the heat storage material.
- the heat generating hose of the present invention can be integrally formed by extruding the hose body, the heat generating layer, and the electrode.
- the shape of the heat generating hose itself may be a circular shape, an elliptical shape, a circular shape or a part of an elliptical shape, or a polygonal shape such as a triangular shape or a rectangular shape.
- the heat generating hose may have a constant longitudinal sectional shape in the longitudinal direction or may be different.
- the shape and shape of the heat generation hose that gradually increases from one end side to the other end, or the shape where both ends are circular and gradually flatten as they go to the center, etc. Etc. can be determined in consideration of the above.
- the joint connecting the heat generating hose You may connect an exothermic hose by using an int member.
- the joint member may have two connecting portions with the heat generating hose, and the connecting portions may be arranged back to back so that the heat generating hose can be extended in the linear direction.
- FIG. 1A A perspective view of a heat generating hose 1 according to an embodiment of the present invention is shown in FIG. 1A.
- Figure 1B shows the aa longitudinal cross-sectional view in Figure 1A.
- a bb longitudinal sectional view in FIG. 1B is shown in FIG. 1C.
- the heat generating hose 1 includes a hose body 2, a heat generating layer 3, a hollow portion 4, an electrode 5 and a side hole 6.
- the material of hose body 2 is EPT.
- the shape of the hose body 2 is a hollow shape having a hollow portion 4.
- the heat generating layer 3 is embedded in the hose body 2 uniformly in the longitudinal direction.
- a side hole 6 is provided near the top of the side surface of the hose body 2. The side hole 6 communicates with the hollow portion 4 and is arranged at a predetermined interval.
- the heat generating layer 3 is obtained by dispersing carbon black in a composite material of EPT and butyl rubber.
- the blending amount of carbon black can be appropriately selected according to the required calorific value. In this example, 5 to LO parts by weight of carbon black was added to 100 parts by weight.
- the heat generating layer 3 is arranged in a region excluding the vicinity of the top in the peripheral region of the hollow portion 4. Therefore, the side hole 6 does not prevent the heat generating layer 3 from being protected by the hose body 2.
- the electrode 5 is embedded in the heat generating layer 3.
- the electrode 5 is made of flat braided copper wire and is continuous from one end of the heat generating hose 2 to the other end.
- the electrode 5 is electrically connected to a power source (not shown) at one end of the heat generating hose 2 and supplies power to the heat generating layer 3.
- the electrode 5 is arranged near the two upper ends of the heat generating layer 3 in the cross-sectional view shown in FIG. 1C.
- the top of the heat generating layer 3 is not continuous and is insulated by the hose body 2. Therefore, the current flowing to the heat generating layer 3 by the electrode 5 flows through the entire heat generating layer 3.
- One end side (not shown) of the heat generating hose 1 is connected to a faucet of water, and water can be conducted to the hollow portion 4.
- the end of the hollow portion 4 is closed by a fitting part. Therefore, the water conducting through the hollow portion 4 is discharged from the side hole 6.
- the exothermic hose 1 is formed as follows. In other words, a composite material in which carbon black, EPT, and butyl rubber are kneaded is prepared as a heat generation layer forming material, EPT is prepared as a hose body forming material, and these materials are used with a linear conductive wire serving as an electrode 5 as an insert. Extrude into the shape shown in Fig. 1 using a two-color extrusion molding machine. After cooling, open side holes 6 at specified intervals.
- the heat generating hose 1 formed in this way water is conducted from the tap faucet connected to one end of the heat generating hose 1 to the hollow portion 4. Furthermore, power is supplied to the heat generating layer 3 from the power source through the electrode 5. Thereby, the heat generating layer 3 generates heat. The heat generated by the heat generating layer 3 propagates to the water passing through the hollow portion 4 and heats the water. The heated water is discharged from the side hole 6 to the outside.
- the heat generating hose 1 is installed at, for example, a side end of a road, a side edge of a railway track, a parking lot, or the like. Since heated water is discharged from the side hole 6 of the heat generating hose 1, it is possible to melt the snow accumulated on the road surface or on the railway track during snowfall. Further, since the heat generating hose 1 itself also generates heat, it is possible to prevent water melted by snow from freezing on the road surface or on the track. Further, the exothermic hose 1 may be installed on the roof. In this way, the snow accumulated on the roof can be melted and removed from the roof during snowfall. This makes it possible to remove snow on the roof easily and safely.
- FIG. 2 shows a cross-sectional view of a heat generating hose 10 that is another embodiment of the present invention.
- symbol is attached
- the heat generating hose 10 includes a hose body 20, a heat generating layer 30, a heat storage material 7, and an electrode 5.
- the material of the hose body 20 is EPT.
- the hose body 20 has a hollow shape with a hollow portion. The hollow portion is filled with a heat storage material 7. Further, the heat generating layer 30 is embedded in the hose body 20 uniformly in the longitudinal direction.
- the heat storage material 7 The heat-generating hose 10 is equipped with a heat storage material 7.
- the heat-generating hose 10 is provided with the heat storage material 7, so that the heat generation hose 10 generates heat in advance and the heat is stored in the heat storage material 7 to release the heat. It can be used as a heater. If the deformability as a hose is used, the heating target can be arbitrarily selected, and the generality is excellent. For example, it can be laid under a nap bed such as a large truck, heated with power generated while the truck is running, and used as a heat storage heater when the driver takes a nap while the truck is stopped . Similarly, when laying on the floor of a house, the hose is heated with nighttime electricity and heated using the stored heat.
- the heat generating layer 30 is obtained by dispersing carbon black in a composite material of EPT and butyl rubber.
- the blending amount of carbon black can be appropriately selected according to the required calorific value. In this example, 3 to 5 parts by weight of carbon black was added to 100 parts by weight.
- the heat generating layer 30 is arranged in a region excluding a part (near the upper portion of the heat storage material 7 shown in FIG. 2) in the peripheral region of the heat storage material 7.
- the electrode 5 is embedded in the heat generating layer 30 and is continuous from one end side to the other end side of the heat generating hose 20.
- the electrode 5 is disposed near the two upper ends of the heat generating layer 30 in the cross-sectional view shown in FIG. In the heat generating layer 30, the vicinity of the upper portion of the heat storage material 7 shown in FIG. Therefore, the current flowing from the electrode 5 to the heat generating layer 30 flows through the entire heat generating layer 30.
- the heat generating hose 10 is buried in the ground such as a field or a road.
- the exothermic hose 10 buried in the field has the effect of preventing cold damage by releasing heat into the soil and raising the soil temperature.
- it if it is installed in paddy field water, it raises the water temperature, thereby preventing cold damage and promoting the growth of crops.
- by embedding the heat generating hose 10 in a road or the like it is possible to increase the road surface temperature and prevent snow melting and freezing of the road surface at low temperatures.
- by installing the heat generating hose 10 on the roof it is possible to remove snow during snowfall.
- FIG. 3 shows a perspective view of the joint member 8 connected to the heat generating hose 1 according to one embodiment of the present invention.
- FIG. 3B shows a perspective view of the heat generating hose 1 and the joint member 8 in the connected state.
- the joint member 8 includes a joint body 80, joint fitting portions 81 and 82, a joint hollow portion 83, and a joint electrode 84.
- the joint body 80 and the joint fitting parts 81 and 82 are made of the same material as the hose body 2 of the heat generating hose 1.
- the shape of the outer periphery of the longitudinal section of the joint body 80 is substantially the same as the shape of the outer periphery of the longitudinal section of the heat generating hose 1.
- the shape of the outer periphery of the longitudinal section of the joint fitting portions 81 and 82 is substantially the same as the shape of the inner periphery of the hollow portion 4 of the longitudinal section of the hose body 2 (see FIG. 1C). Therefore, the joint fitting portions 81 and 82 are fitted into the hollow portion 4 at one end of the heat generating hose 1 (see FIG. 3B).
- a joint electrode 84 is provided at a position where the electrode 5 faces when the joint member 8 is fitted to the heat generating hose 1.
- the joint electrode 84 is provided so that the joint fitting portion 81 side end force of the joint body 80 also penetrates to the joint fitting portion 82 side end surface.
- the heat generating hose 1 on the joint fitting portion 81 side and the heat generating hose 1 on the joint fitting portion 82 side are electrically connected.
- the hollow portion 4 of the heat generating hose 1 on the joint fitting portion 81 side and the hollow portion 4 on the joint fitting portion 82 side communicate with each other via the joint hollow portion 83.
- the heat generating hose of the present invention relates to suitably heating a member to be heated.
- a member to be heated For example, it is suitably used for preventing snow melting and freezing on road surfaces, railway tracks, parking lots, roofs, and the like.
- FIG. 1A is a perspective view of a heat generating hose 1 according to one embodiment of the present invention.
- FIG. 1B is a vertical cross-sectional perspective view taken along line aa in FIG. 1A.
- FIG. 1C is a longitudinal sectional view taken along line bb of FIG. 1B.
- FIG. 2 is a longitudinal sectional perspective view of a heat generating hose 10 which is another embodiment of the present invention.
- FIG. 3A is a perspective view of a joint member 8 for connecting the heat generating hose 1 of the present invention.
- B is a perspective view of the heat generating hose 1 and the joint member 8 in a connected state.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Heating (AREA)
- Road Paving Structures (AREA)
- Pipe Accessories (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006539188A JP4751334B2 (ja) | 2004-09-30 | 2005-08-29 | 発熱ホース |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004286453 | 2004-09-30 | ||
JP2004-286453 | 2004-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006038393A1 true WO2006038393A1 (ja) | 2006-04-13 |
Family
ID=36142478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/015617 WO2006038393A1 (ja) | 2004-09-30 | 2005-08-29 | 発熱ホース |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4751334B2 (ja) |
WO (1) | WO2006038393A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2423686A (en) * | 2005-02-25 | 2006-08-30 | Allen Group Ltd | Electrically-heated pipes |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56115083U (ja) * | 1980-01-25 | 1981-09-03 | ||
JPS6014789A (ja) * | 1983-07-04 | 1985-01-25 | 松下電器産業株式会社 | 蓄熱体 |
JPS61121223U (ja) * | 1985-01-16 | 1986-07-31 | ||
JPS63196894U (ja) * | 1987-06-10 | 1988-12-19 | ||
JPH01154487A (ja) * | 1987-12-10 | 1989-06-16 | Hitachi Metals Ltd | 導管加熱用の保温管 |
JPH0371591U (ja) * | 1989-11-16 | 1991-07-19 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63196894A (ja) * | 1987-02-10 | 1988-08-15 | プロト−パワ− コ−ポレ−シヨン | 消費済み燃料ロツド整理統合システムおよび方法 |
JPH1134197A (ja) * | 1997-07-17 | 1999-02-09 | Japan Steel & Tube Constr Co Ltd | シート状複合材、複合管及び建造物の補強・補修方法 |
-
2005
- 2005-08-29 WO PCT/JP2005/015617 patent/WO2006038393A1/ja active Application Filing
- 2005-08-29 JP JP2006539188A patent/JP4751334B2/ja not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56115083U (ja) * | 1980-01-25 | 1981-09-03 | ||
JPS6014789A (ja) * | 1983-07-04 | 1985-01-25 | 松下電器産業株式会社 | 蓄熱体 |
JPS61121223U (ja) * | 1985-01-16 | 1986-07-31 | ||
JPS63196894U (ja) * | 1987-06-10 | 1988-12-19 | ||
JPH01154487A (ja) * | 1987-12-10 | 1989-06-16 | Hitachi Metals Ltd | 導管加熱用の保温管 |
JPH0371591U (ja) * | 1989-11-16 | 1991-07-19 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2423686A (en) * | 2005-02-25 | 2006-08-30 | Allen Group Ltd | Electrically-heated pipes |
Also Published As
Publication number | Publication date |
---|---|
JPWO2006038393A1 (ja) | 2008-07-31 |
JP4751334B2 (ja) | 2011-08-17 |
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