CN106851878A - A kind of automatic temperature-control electric heating belt - Google Patents
A kind of automatic temperature-control electric heating belt Download PDFInfo
- Publication number
- CN106851878A CN106851878A CN201611161030.6A CN201611161030A CN106851878A CN 106851878 A CN106851878 A CN 106851878A CN 201611161030 A CN201611161030 A CN 201611161030A CN 106851878 A CN106851878 A CN 106851878A
- Authority
- CN
- China
- Prior art keywords
- heat tracing
- tracing core
- core
- parts
- periphery
- 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.)
- Pending
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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
- H05B3/56—Heating cables
- H05B3/565—Heating cables flat cables
-
- 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
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/146—Conductive polymers, e.g. polyethylene, thermoplastics
Abstract
The present invention proposes a kind of automatic temperature-control electric heating belt, including ptc material core body, the first main heat tracing core, the second main heat tracing core, the secondary heat tracing core extended along cable length direction are provided with ptc material core body, first main heat tracing core, the second main heat tracing core, secondary heat tracing core are arranged side by side and secondary heat tracing core is located between the first main heat tracing core, the second main heat tracing core, and the first main heat tracing core is closed by the first conductor and the first carbon fibre bundle strand and formed；Second main heat tracing core is closed by the second conductor and the second carbon fibre bundle strand and formed；Secondary heat tracing core is closed with the 3rd carbon fibre bundle strand by the 3rd conductor and formed；Ptc material core body periphery is enclosed with inner sheath insulating barrier, and inner sheath insulating barrier periphery is enclosed with water-proof heat-insulation layer, and water-proof heat-insulation layer periphery is enclosed with woven shield, and woven shield periphery is enclosed with external sheath layer.Automatic temperature-control electric heating belt proposed by the present invention, simple structure, good stability.
Description
Technical field
The present invention relates to accompanying-heat cable technical field, more particularly to a kind of automatic temperature-control electric heating belt.
Background technology
Electric-heating belt is a kind of new high-tech product, since it enters application field from the seventies in last century, extensively should
Conveyed in the duct for liquid object with the anti-freezing and heat-insulating of tank body, maintain technological temperature, heating highway, ramp, crossing,
Eaves and floor etc..Electric-heating belt is generally divided into parallel electric-heating belt and tandem electric-heating belt, parallel electric-heating belt
Resistance wire uses parallel, and the caloric value of unit length is constant, and power output is not changed by the change of environment temperature,
But parallel electric heat tracing band structure is all more complicated in the prior art, relatively costly, and stability is poor.
The content of the invention
Based on technical problem present in background technology, the present invention proposes a kind of automatic temperature-control electric heating belt.
A kind of automatic temperature-control electric heating belt proposed by the present invention, including ptc material core body, be provided with ptc material core body along
The first main heat tracing core, the second main heat tracing core, secondary heat tracing core that cable length direction extends, the first main heat tracing core, the
Two main heat tracing cores, secondary heat tracing core are arranged side by side and secondary heat tracing core is located at the first main heat tracing core, the second main heat tracing core
Between, the first main heat tracing core is closed by the first conductor and the first carbon fibre bundle strand and formed, and the first conductor periphery is enclosed with first
Conducing composite material, the first main heat tracing core periphery is coated with the first semiconductive intermediate layer；Second main heat tracing core is led by second
Body and the second carbon fibre bundle strand are closed and formed, and the second conductor periphery is enclosed with the second conducing composite material, the second main heat tracing core
Periphery is coated with the second semiconductive intermediate layer；Secondary heat tracing core is closed with the 3rd carbon fibre bundle strand by the 3rd conductor and formed, and the 3rd
Conductor periphery is enclosed with the 3rd conducing composite material, and secondary heat tracing core periphery is coated with the 3rd semiconductive intermediate layer；Ptc material core
External to be enclosed with inner sheath insulating barrier week, inner sheath insulating barrier periphery is enclosed with water-proof heat-insulation layer, water-proof heat-insulation layer periphery parcel
There is woven shield, woven shield periphery is enclosed with external sheath layer.
Preferably, secondary heat tracing core is located at the point midway of the first main heat tracing core and the second main heat tracing core line.
Preferably, the first conducing composite material, the second conducing composite material, the 3rd conducing composite material use carbon black system
Into.
Preferably, the first semiconductive intermediate layer adds carbon black to be made using homopolymers；The first semiconductive intermediate layer according to
Mass fraction includes following component：20-40 parts of polyethylene, 25-50 parts of polyisobutene, 25-50 parts of carbon black, 1-3 parts of stearic acid,
0.5-1 parts of age resistor.
Preferably, the second semiconductive intermediate layer adds carbon black to be made using homopolymers；The second semiconductive intermediate layer according to
Mass fraction includes following component：20-40 parts of polyethylene, 25-50 parts of polyisobutene, 25-50 parts of carbon black, 1-3 parts of stearic acid,
0.5-1 parts of age resistor.
Preferably, the 3rd semiconductive intermediate layer adds carbon black to be made using homopolymers；The 3rd semiconductive intermediate layer according to
Mass fraction includes following component：20-40 parts of polyethylene, 25-50 parts of polyisobutene, 25-50 parts of carbon black, 1-3 parts of stearic acid,
0.5-1 parts of age resistor.
Preferably, woven shield is formed using the mesh grid of tin-coated copper monofilament is stacked, and count is not less than 88%.
In the present invention, ptc material core body has positive temperature coefficient property, in the work of accompanying-heat cable, works as power on
When, in low temperature, PTC core material contract on cooling, resistance diminishes accompanying-heat cable, heating power increase, temperature is increased；In height
Wen Shi, PTC core material expanded by heating, resistance become big, and heating power reduces, and reduces temperature.First main heat tracing line of the invention
Core, the second main heat tracing core, secondary heat tracing core are closed by conductor and carbon fibre bundle strand and formed, and conductive in each conductor outer cladding
Composite, can improve the adhesive force between electrode and ptc material core body, be improved between electrode and ptc material core body with this
Contact resistance stability, so as to improve the stability of automatic temperature-control electric heating belt.The present invention is by the first main heat tracing line
Core, the second main heat tracing core, secondary heat tracing core are respectively coated by the first semiconductive intermediate layer, the second semiconductive intermediate layer, the 3rd half
Conductive intermediate layer, the first semiconductive intermediate layer, the second semiconductive intermediate layer, the 3rd semiconductive intermediate layer specific insulation between
Between electrode material and heating material, during energization, the first semiconductive intermediate layer, the second semiconductive intermediate layer, the 3rd semiconductive
Intermediate layer can relax the thermograde between the first conductor, the second conductor, the 3rd conductor, and coefficient of thermal expansion is sequentially reduced, and enters one
Step improves the stability of temp auto-controlled cable.
Brief description of the drawings
Fig. 1 is a kind of structural representation of automatic temperature-control electric heating belt proposed by the present invention.
Specific embodiment
As shown in figure 1, Fig. 1 is a kind of structural representation of automatic temperature-control electric heating belt proposed by the present invention.
Reference picture 1, the present invention proposes a kind of automatic temperature-control electric heating belt, including ptc material core body 1.
Ptc material core body 1 is made of the conductive plastics that carbon is added, and is provided with along cable length side in ptc material core body 1
To the first main heat tracing core 2, the second main heat tracing core 3 for extending, secondary heat tracing core 4, the first main heat tracing core 2, the second main companion
Hot line core 3, secondary heat tracing core 4 are arranged side by side and the main line of heat tracing core 3 of 4 first main heat tracing core of secondary heat tracing core 2 and second
Point midway.
First main heat tracing core 2 is by the first conductor 21 and the first carbon fibre beam 22 is stranded forms, the periphery of the first conductor 21
The first conducing composite material 23 is enclosed with, the first main periphery of heat tracing core 2 is coated with the first semiconductive intermediate layer 5.Second main companion
Hot line core 3 is by the second conductor 31 and the second carbon fibre beam 32 is stranded forms, and it is conductive multiple that the periphery of the second conductor 32 is enclosed with second
Condensation material 33, the second main periphery of heat tracing core 3 is coated with the second semiconductive intermediate layer 6.Secondary heat tracing core 4 by the 3rd conductor 41 with
3rd carbon fibre beam 42 is stranded to be formed, and the periphery of the 3rd conductor 41 is enclosed with the 3rd conducing composite material 43, outside secondary heat tracing core 4
It is coated with the 3rd semiconductive intermediate layer 7 week.First conducing composite material 23, the second conducing composite material the 33, the 3rd are conductive compound
Material 43 is made of carbon black.
The periphery of ptc material core body 1 is enclosed with inner sheath insulating barrier 8.The periphery of inner sheath insulating barrier 8 is enclosed with water-proof heat-insulation layer
9.The periphery of water-proof heat-insulation layer 9 is enclosed with woven shield 10, and woven shield 10 is formed using the mesh grid of tin-coated copper monofilament is stacked,
Count is not less than 88%, and it neither influences the pliability of electric-heating belt while shield effectiveness is ensured, electricity is improve again
The mechanical performance of heating tape.The periphery of woven shield 10 is enclosed with external sheath layer 11.
Ptc material core body 1 has positive temperature coefficient property, in the work of accompanying-heat cable, when the power is turned on, heat tracing electricity
In low temperature, the contract on cooling of ptc material core body 1, resistance diminishes cable, heating power increase, temperature is increased；In high temperature, PTC
The expanded by heating of material core 1, resistance becomes big, and heating power reduces, and reduces temperature.
First main heat tracing core 2 of the invention, the second main heat tracing core 3, secondary heat tracing core 4 are by conductor and carbon fibre beam
It is stranded to form, and in each conductor outer cladding conducing composite material, the adhesive force between electrode and ptc material core body 1 can be improved,
The stability of the contact resistance between electrode and ptc material core body 1 is improved with this, so as to improve the stabilization of temp auto-controlled cable
Property.
The present invention is respectively coated by the first half by the first main heat tracing core 2, the second main heat tracing core 3, secondary heat tracing core 4
Conductive intermediate layer 5, the second semiconductive intermediate layer 6, the 3rd semiconductive intermediate layer 7, the first semiconductive intermediate layer 5, the second semiconductive
Intermediate layer 6, the 3rd semiconductive intermediate layer 7 specific insulation between electrode material and heating material, during energization, first
Semiconductive intermediate layer 5, the second semiconductive intermediate layer 6, the 3rd semiconductive intermediate layer 7 can relax the first conductor 21, the second conductor
32nd, the thermograde between the 3rd conductor 42, coefficient of thermal expansion is sequentially reduced, and further improves the stability of temp auto-controlled cable.
In specific design, the first semiconductive intermediate layer 5 adds carbon black to be made using homopolymers；In the middle of first semiconductive
Layer 5 includes following component according to mass fraction：20-40 parts of polyethylene, 25-50 parts of polyisobutene, 25-50 parts of carbon black, 1-3 parts it is hard
Resin acid, 0.5-1 part age resistor.Second semiconductive intermediate layer 6 adds carbon black to be made using homopolymers；The second semiconductive intermediate layer
6 include following component according to mass fraction：20-40 parts of polyethylene, 25-50 parts of polyisobutene, 25-50 parts of carbon black, 1-3 parts of tristearin
Acid, 0.5-1 parts of age resistor.3rd semiconductive intermediate layer 7 adds carbon black to be made using homopolymers；The 3rd semiconductive intermediate layer 7
Following component is included according to mass fraction：20-40 parts of polyethylene, 25-50 parts of polyisobutene, 25-50 parts of carbon black, 1-3 parts of tristearin
Acid, 0.5-1 parts of age resistor.By the first semiconductive intermediate layer 5 of arrangement above, the second semiconductive intermediate layer 6, the 3rd semiconductive
Intermediate layer 7, enables to the first conductor 21, the second conductor 31, the Electric Field Distribution of the 3rd conductor 41 to concentrate, and improves cable proof voltage etc.
Level, improves the stability of cable.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (7)
1. edge is provided with a kind of automatic temperature-control electric heating belt, it is characterised in that including ptc material core body (1), ptc material core body (1)
The first main heat tracing core (2), the second main heat tracing core (3), secondary heat tracing core (4) of cable length direction extension, the first master
Heat tracing core (2), the second main heat tracing core (3), secondary heat tracing core (4) is arranged side by side and secondary heat tracing core (4) is positioned at the first master
Between heat tracing core (2), the second main heat tracing core (3), the first main heat tracing core (2) is fine by the first conductor (21) and the first carbon
Dimension beam (22) is stranded to be formed, and the first conductor (21) periphery is enclosed with the first conducing composite material (23), the first main heat tracing core (2)
Periphery is coated with the first semiconductive intermediate layer (5)；Second main heat tracing core (3) is by the second conductor (31) and the second carbon fibre beam
(32) stranded to form, the second conductor (31) periphery is enclosed with the second conducing composite material (33), the second main heat tracing core (3) periphery
It is coated with the second semiconductive intermediate layer (6)；Secondary heat tracing core (4) is stranded with the 3rd carbon fibre beam (42) by the 3rd conductor (41)
Form, the 3rd conductor (41) periphery is enclosed with the 3rd conducing composite material (43), secondary heat tracing core (4) periphery is coated with the 3rd half
Conductive intermediate layer (7)；Ptc material core body (1) periphery is enclosed with inner sheath insulating barrier (8), inner sheath insulating barrier (8) periphery parcel
There is water-proof heat-insulation layer (9), water-proof heat-insulation layer (9) periphery is enclosed with woven shield (10), woven shield (10) periphery parcel
There is external sheath layer (11).
2. automatic temperature-control electric heating belt according to claim 1, it is characterised in that secondary heat tracing core (4) is positioned at the first main companion
The point midway of hot line core (2) and the second main heat tracing core (3) line.
3. automatic temperature-control electric heating belt according to claim 1, it is characterised in that the first conducing composite material (23), second
Conducing composite material (33), the 3rd conducing composite material (43) are made of carbon black.
4. the automatic temperature-control electric heating belt according to any one of claim 1-3, it is characterised in that the first semiconductive intermediate layer
(5) carbon black is added to be made using homopolymers；The first semiconductive intermediate layer (5) includes following component according to mass fraction：20-40
Part polyethylene, 25-50 parts of polyisobutene, 25-50 parts of carbon black, 1-3 parts of stearic acid, 0.5-1 parts of age resistor.
5. the automatic temperature-control electric heating belt according to any one of claim 1-3, it is characterised in that the second semiconductive intermediate layer
(6) carbon black is added to be made using homopolymers；The second semiconductive intermediate layer (6) includes following component according to mass fraction：20-40
Part polyethylene, 25-50 parts of polyisobutene, 25-50 parts of carbon black, 1-3 parts of stearic acid, 0.5-1 parts of age resistor.
6. the automatic temperature-control electric heating belt according to any one of claim 1-3, it is characterised in that the 3rd semiconductive intermediate layer
(7) carbon black is added to be made using homopolymers；The 3rd semiconductive intermediate layer (7) includes following component according to mass fraction：20-40
Part polyethylene, 25-50 parts of polyisobutene, 25-50 parts of carbon black, 1-3 parts of stearic acid, 0.5-1 parts of age resistor.
7. the automatic temperature-control electric heating belt according to any one of claim 1-3, it is characterised in that woven shield (10) is adopted
Formed with the mesh grid of tin-coated copper monofilament is stacked, count is not less than 88%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161030.6A CN106851878A (en) | 2016-12-15 | 2016-12-15 | A kind of automatic temperature-control electric heating belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161030.6A CN106851878A (en) | 2016-12-15 | 2016-12-15 | A kind of automatic temperature-control electric heating belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106851878A true CN106851878A (en) | 2017-06-13 |
Family
ID=59140051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611161030.6A Pending CN106851878A (en) | 2016-12-15 | 2016-12-15 | A kind of automatic temperature-control electric heating belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106851878A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379793A (en) * | 2018-11-16 | 2019-02-22 | 安邦电气股份有限公司 | A kind of high-temperature boiler temperature selflimiting electric tracing band |
| CN112188654A (en) * | 2020-10-14 | 2021-01-05 | 安邦电气股份有限公司 | Anti-freezing self-temperature-limiting electric tracing band for water supply pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2236236A (en) * | 1989-09-22 | 1991-03-27 | Thermon Mfg Co | Electric heating cable |
| CN1863417A (en) * | 2006-06-15 | 2006-11-15 | 王崇 | Positive temp coefficient high polymer semiconductor temp control heatingcable and mfg. method thereof |
| CN101252795A (en) * | 2007-11-07 | 2008-08-27 | 赵放 | Bimetallic wire electrothermal band |
| CN102170717A (en) * | 2011-03-10 | 2011-08-31 | 山东科虹线缆有限公司 | Automatic temperature control and heat-tracing cable with semi-conducting polymer copper-cladding electrodes and method for making the same |
| CN204425688U (en) * | 2015-02-11 | 2015-06-24 | 沈阳凯鹏电线电缆制造有限公司 | Based on the warm carbon fiber heat tracing belt of limit certainly of PTC effect |
-
2016
- 2016-12-15 CN CN201611161030.6A patent/CN106851878A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2236236A (en) * | 1989-09-22 | 1991-03-27 | Thermon Mfg Co | Electric heating cable |
| CN1863417A (en) * | 2006-06-15 | 2006-11-15 | 王崇 | Positive temp coefficient high polymer semiconductor temp control heatingcable and mfg. method thereof |
| CN101252795A (en) * | 2007-11-07 | 2008-08-27 | 赵放 | Bimetallic wire electrothermal band |
| CN102170717A (en) * | 2011-03-10 | 2011-08-31 | 山东科虹线缆有限公司 | Automatic temperature control and heat-tracing cable with semi-conducting polymer copper-cladding electrodes and method for making the same |
| CN204425688U (en) * | 2015-02-11 | 2015-06-24 | 沈阳凯鹏电线电缆制造有限公司 | Based on the warm carbon fiber heat tracing belt of limit certainly of PTC effect |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379793A (en) * | 2018-11-16 | 2019-02-22 | 安邦电气股份有限公司 | A kind of high-temperature boiler temperature selflimiting electric tracing band |
| CN112188654A (en) * | 2020-10-14 | 2021-01-05 | 安邦电气股份有限公司 | Anti-freezing self-temperature-limiting electric tracing band for water supply pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |