CN104159344A - Electric tracing band and production method thereof - Google Patents
Electric tracing band and production method thereof Download PDFInfo
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- CN104159344A CN104159344A CN201410343068.XA CN201410343068A CN104159344A CN 104159344 A CN104159344 A CN 104159344A CN 201410343068 A CN201410343068 A CN 201410343068A CN 104159344 A CN104159344 A CN 104159344A
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Abstract
The invention relates to an electric tracing band and a production method thereof. The electric tracing band comprises an inner insulation layer and an outer insulation layer, wherein a plurality of parallel electrified buses are coated with the inner insulation layer; notches are formed in the surface of the inner insulation layer in the length direction at intervals; a heating wire is wound on the inner insulation layer; the electrifying buses at the notches are in contact with the heating wire; the heating wire and the inner insulation layer are coated with the outer insulation layer; the heating wire is an alloy resistance wire. The method comprises the following steps: taking PVC or ZRPVC as a raw material; conducting injection molding on the exteriors of the electrified buses to form the inner insulation layer; notching and removing breakdown spots; winding the heating wire to ensure that the electrifying buses are in contact with the heating wire at the notches; taking PVC or ZRPVC as a raw material again; carrying out injection molding again to form the outer insulation layer. The electric tracing band is stable in operation, higher in safety performance, and lower in production cost, thereby being suitable for popularization and application in the civil field. Through the adoption of the method, the production quality and production efficiency are guaranteed, so that the electric tracing band is suitable for large-scale mass production.
Description
Technical field
The present invention relates to a kind of electric-heating belt and manufacture method thereof, belong to electric-heating belt production technical field.
Background technology
The solar water heater of installing and using in the most areas of northern China, is all faced with winter temperature low, the problem of the easy frozen block of pipeline, and the dealer who makes vast solar water heater is very headache.The after-sale service work major part of solar water heater all concentrates on winter, and failure rate major part and the pipe freezeup in winter have direct relation.
In the method for at present conventional solution frozen block, tube emptying, from needless to say, exists the problems such as failure rate is high, use is inconvenient; Another kind of conventional method is to adopt electric-heating belt to solve frozen block problem.
Mainly adopt in the market these two types of temperature selflimiting electric tracing band and industrial permanent power electric-heating belts.Self-temperature-limiting heating strip is mainly made up of semi-conducting material, common as ptc material, in the time that freezing prevention tubing is incubated, starting current is large especially, general starting current is that 3 to 6 of running current accompanies even can be higher, because the operation principle of self-temperature-limiting heating strip is to change according to variation of ambient temperature, the electric current that is the lower startup of temperature is higher, the power of the lower startup of temperature is also just higher, therefore fluctuation of service often in the antifreeze course of work, energy consumption is also larger, and because the cause of less stable makes there is comparatively serious potential safety hazard; On the other hand, in making production process, the material of self-limiting heating cable has a variety of uncertain factors, there is some difference in a certain raw material often, cause self-limiting heating cable quality to be difficult to control, therefore the quality of the self-limiting heating cable on market is uneven, and quality is difficult to ensure.And the permanent power electric-heating belt of the latter's industry, because the production cost of its great number has limited promoting the use of at civil area.
Summary of the invention
The object of the invention is to overcome the problem of above-mentioned prior art, a kind of electric-heating belt is provided, it is stable, and security performance is higher, and production cost is lower simultaneously, and applicable civil area is applied.
The manufacture method of this electric-heating belt is provided simultaneously, and the method can ensure the quality of production and production efficiency, is applicable to scale and produces in enormous quantities.
The object of the invention is to be achieved through the following technical solutions:
Electric-heating belt, comprise inner insulating layer and external insulation layer, in described inner insulating layer, be coated with many parallel energising buses, the surface of described inner insulating layer is interval with otch along its length, described energising bus part is exposed in described incision, the surface of described inner insulating layer is wound with Electrothermic wire, and the energising bus of described incision contacts with described Electrothermic wire, the coated described Electrothermic wire of described external insulation layer and described inner insulating layer; Described Electrothermic wire is alloy resistance wire.
Further, described inner insulating layer adopts PVC material or the injection mo(u)lding of ZRPVC material.
Further, described external insulation layer adopts PVC material or the injection mo(u)lding of ZRPVC material.
Further, described energising bus is tinned copper wire.
Further, described Electrothermic wire is 0Cr25Al5 Aludirome resistance wire.
A kind of manufacture method of manufacturing above-described electric-heating belt is provided simultaneously, has comprised the following steps:
Step 1, first adopt PVC or ZRPVC as raw material, form inner insulating layer by extruder in the outside injection mo(u)lding of energising bus;
Step 2, otch: go out otch according to the computing the resistor value of power and heating wire and require joint long, complete otch; Remove the breakdown point that step 1 produces simultaneously;
Step 3, adopt spiral filament forming machine Electrothermic wire to be wrapped in to the surface of inner insulating layer, the bus that makes to switch on contacts with the Electrothermic wire of described incision, complete wrapping wire operation and obtain semi-finished product, by described semi-finished product around dustproof preservation on disk storage line;
Step 4, employing PVC or ZRPVC, as raw material, form external insulation layer by extruder in described half-finished outer surface injection mo(u)lding by described semi-finished product, obtain finished product electric-heating belt.
Further, in step 1: adopt PVC particulate material, first PVC raw material is put into the dry 1-2 hour of constant temperature oven, temperature 40-50 DEG C, forbids sneaking into impurity; Employing has 45 type YC extruders of five thermals treatment zone, tinned copper wire is sent into a mouth that adds for extruder, the end of tinned copper wire is connected with hauling machine, connect each district heater switch, temperature is adjusted to respectively 160 DEG C-150 DEG C, a district, two-145 DEG C, 155 DEG C, districts, three-140 DEG C, 150 DEG C, districts, four-130 DEG C, 140 DEG C, districts, five-110 DEG C, 120 DEG C, districts; The PVC particle of oven dry is poured in the charging bucket of extruder, and extrusion moulding forms inner insulating layer.
Further, in step 3, described Electrothermic wire carries out wrapping wire by pitch 1mm, and described energising bus is tinned copper wire, and described Electrothermic wire is 0Cr25Al5 Aludirome resistance wire, and described Electrothermic wire is connected in described incision with described energising bus.
Further, in step 4, extrude front 1-2 hour that PVC particulate material is dried in 40 DEG C of-50 DEG C of baking ovens, forbid sneaking into impurity; Examination requirements is that electric-heating belt should bear the high pressure of 3000V, 2000m/min speed and do not puncture; If inspection with breakdown point, is cut breakdown point to described finished product electric tracing.
Electric-heating belt of the present invention and manufacture method thereof, this electric-heating belt comprises inner insulating layer and external insulation layer, in described inner insulating layer, be coated with many parallel energising buses, the surface of described inner insulating layer is interval with otch along its length, described energising bus part is exposed in described incision, the surface of described inner insulating layer is wound with Electrothermic wire, and the energising bus of described incision contacts with described Electrothermic wire, the coated described Electrothermic wire of described external insulation layer and described inner insulating layer; Described Electrothermic wire is alloy resistance wire.The method comprises: step 1, first adopt PVC or ZRPVC as raw material, form inner insulating layer by extruder in the outside injection mo(u)lding of energising bus; Step 2, otch: go out otch according to the computing the resistor value of power and heating wire and require joint long, complete otch; Remove the breakdown point that step 1 produces simultaneously; Step 3, adopt spiral filament forming machine Electrothermic wire to be wrapped in to the surface of inner insulating layer, the bus that makes to switch on contacts with the Electrothermic wire of described incision, complete wrapping wire operation and obtain semi-finished product, by described semi-finished product around dustproof preservation on disk storage line; Step 4, employing PVC or ZRPVC, as raw material, form external insulation layer by extruder in described half-finished outer surface injection mo(u)lding by described semi-finished product, obtain finished product electric-heating belt.This electric-heating belt, it is stable, and security performance is higher, and production cost is lower simultaneously, and applicable civil area is applied.By adopting the method, ensure the quality of production and production efficiency simultaneously, produced in enormous quantities thereby be applicable to scale.
Brief description of the drawings
Fig. 1 is the structural representation of electric-heating belt of the present invention;
Fig. 2 is the flow chart of the manufacture method of electric-heating belt of the present invention.
Embodiment
According to drawings and embodiments the present invention is described in further detail below.
As shown in Figure 1, electric-heating belt described in the embodiment of the present invention, comprise inner insulating layer 2 and external insulation layer 5, in inner insulating layer 3, be coated with many parallel energising buses 1, the surface of inner insulating layer 3 is interval with otch 2 along its length, and energising bus 1 part is exposed at otch 2 places, and the surface of inner insulating layer 3 is wound with Electrothermic wire 4, the energising bus 1 at otch 2 places contacts with Electrothermic wire 4, the coated Electrothermic wire 4 of external insulation layer 5 and inner insulating layer 2; Electrothermic wire 4 is alloy resistance wire.The best spiral winding of Electrothermic wire 4.For convenience of description, switch in the present embodiment quantity of bus is taken as two.
Inner insulating layer adopts PVC material or the injection mo(u)lding of ZRPVC material.External insulation layer adopts PVC material or the injection mo(u)lding of ZRPVC material.Energising bus is tinned copper wire.Electrothermic wire is 0Cr25Al5 Aludirome resistance wire.
Shown in Fig. 2, a kind of manufacture method of manufacturing electric-heating belt is provided simultaneously, comprise the following steps: step 1, first adopt PVC or ZRPVC as raw material, form inner insulating layer by extruder in the outside injection mo(u)lding of energising bus; Step 2, otch: go out otch according to the computing the resistor value of power and heating wire and require joint long, complete otch; Remove the breakdown point that step 1 produces simultaneously; Step 3, adopt spiral filament forming machine Electrothermic wire to be wrapped in to the surface of inner insulating layer, the bus that makes to switch on contacts with the Electrothermic wire of incision, complete wrapping wire operation and obtain semi-finished product, by semi-finished product around dustproof preservation on disk storage line; Step 4, employing PVC or ZRPVC, as raw material, form external insulation layer by extruder in half-finished outer surface injection mo(u)lding by semi-finished product, obtain finished product electric-heating belt.
In step 1: adopt PVC particulate material, first PVC raw material is put into the dry 1-2 hour of constant temperature oven, temperature 40-50 DEG C, forbids sneaking into impurity; Employing has 45 type YC extruders of five thermals treatment zone, tinned copper wire is sent into a mouth that adds for extruder, the end of tinned copper wire is connected with hauling machine, connect each district heater switch, temperature is adjusted to respectively 160 DEG C-150 DEG C, a district, two-145 DEG C, 155 DEG C, districts, three-140 DEG C, 150 DEG C, districts, four-130 DEG C, 140 DEG C, districts, five-110 DEG C, 120 DEG C, districts; The PVC particle of oven dry is poured in the charging bucket of extruder, and extrusion moulding forms inner insulating layer.
After extrusion molding inner insulating layer should be smooth, smooth, without defects such as bubble, impurity, crackings.Concentricity is answered > 85%, and insulation thickness is 0.4 ± 0.05, as undesirable in thickness, and adjustable hauling machine speed is to reach the requirement of insulation thickness.When extrusion molding, single energising bus should be able to bear 3000V, rotating speed 20m/min high pressure and not puncturing.Every hundred meters must not exceed 1 breakdown point, if any making marks, to make a distinction in next procedure, and breakdown point are removed.
In step 2, calculate the method at otch interval generally based on Ohm's law, for the common practise of this area, repeat no more.
In step 3, Electrothermic wire carries out wrapping wire by pitch 1mm, and energising bus is tinned copper wire, and Electrothermic wire is 0Cr25Al5 Aludirome resistance wire, and Electrothermic wire is connected in incision with energising bus.
When general wrapping wire, first test 1 meter on spiral filament forming machine, use voltage regulator, universal instrument or wattmeter, guarantee period power deviation, between ± 5%, is confirmed its joint resistance.Qualified rear formal wrapping wire, heating wire is answered marshalling, even, phenomenon can not get loose.Shown in Fig. 1, if any fracture of wire, must be connected to incision.
In step 4, extrude front 1-2 hour that PVC particulate material is dried in 40 DEG C of-50 DEG C of baking ovens, forbid sneaking into impurity; Examination requirements is that electric-heating belt should bear the high pressure of 3000V, 2000m/min speed and do not puncture; If inspection with breakdown point, is cut breakdown point to described finished product electric tracing.The extrusion molding thickness General Requirements of external insulation layer is: monolateral 0.6 ± 0.05, and concentricity > 85%.
In the present embodiment, specifically adopt a kind of alloy material to replace original semi-conducting material and done heater, while is in conjunction with the unique design of otch and wrapping wire, and integrally-built consideration, thereby it is excessive to have solved original self-limiting heating cable starting current, thus ensure that antifreeze companion's thermal power is constant, the not variation of climate and changing, also be not activated electric current, freezing prevention tubing companion thermal power is generally produced according to 12W/m left and right, has enough met the hot requirement of the antifreeze companion of solar pipe simultaneously.Also because present antifreeze heating tape is not activated electric current and starting power, so there is no need to adopt the insulating material of high temperature, so also greatly reduce production cost simultaneously.
The foregoing is only explanation embodiments of the present invention; be not limited to the present invention, for a person skilled in the art, within the spirit and principles in the present invention all; any amendment of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (9)
1. electric-heating belt, it is characterized in that, comprise inner insulating layer and external insulation layer, in described inner insulating layer, be coated with many parallel energising buses, the surface of described inner insulating layer is interval with otch along its length, and described energising bus part is exposed in described incision, and the surface of described inner insulating layer is wound with Electrothermic wire, the energising bus of described incision contacts with described Electrothermic wire, the coated described Electrothermic wire of described external insulation layer and described inner insulating layer; Described Electrothermic wire is alloy resistance wire.
2. electric-heating belt as claimed in claim 1, is characterized in that, described inner insulating layer adopts PVC material or the injection mo(u)lding of ZRPVC material.
3. electric-heating belt as claimed in claim 2, is characterized in that, described external insulation layer adopts PVC material or the injection mo(u)lding of ZRPVC material.
4. electric-heating belt as claimed in claim 3, is characterized in that, described energising bus is tinned copper wire.
5. electric-heating belt as claimed in claim 1, is characterized in that, described Electrothermic wire is 0Cr25Al5 Aludirome resistance wire.
6. the manufacture method of manufacturing the electric-heating belt as described in claim 3 to 5 any one, is characterized in that, comprises the following steps:
Step 1, first adopt PVC or ZRPVC as raw material, form inner insulating layer by extruder in the outside injection mo(u)lding of energising bus;
Step 2, otch: go out otch according to the computing the resistor value of power and heating wire and require joint long, complete otch; Remove the breakdown point that step 1 produces simultaneously;
Step 3, adopt spiral filament forming machine Electrothermic wire to be wrapped in to the surface of inner insulating layer, the bus that makes to switch on contacts with the Electrothermic wire of described incision, complete wrapping wire operation and obtain semi-finished product, by described semi-finished product around dustproof preservation on disk storage line;
Step 4, employing PVC or ZRPVC, as raw material, form external insulation layer by extruder in described half-finished outer surface injection mo(u)lding by described semi-finished product, obtain finished product electric-heating belt.
7. manufacture method as claimed in claim 6, is characterized in that, in step 1: adopt PVC particulate material, first PVC raw material is put into the dry 1-2 hour of constant temperature oven, temperature 40-50 DEG C, forbids sneaking into impurity; Employing has 45 type YC extruders of five thermals treatment zone, tinned copper wire is sent into a mouth that adds for extruder, the end of tinned copper wire is connected with hauling machine, connect each district heater switch, temperature is adjusted to respectively 160 DEG C-150 DEG C, a district, two-145 DEG C, 155 DEG C, districts, three-140 DEG C, 150 DEG C, districts, four-130 DEG C, 140 DEG C, districts, five-110 DEG C, 120 DEG C, districts; The PVC particle of oven dry is poured in the charging bucket of extruder, and extrusion moulding forms inner insulating layer.
8. manufacture method as claimed in claim 7, it is characterized in that, in step 3, described Electrothermic wire carries out wrapping wire by pitch 1mm, described energising bus is tinned copper wire, described Electrothermic wire is 0Cr25Al5 Aludirome resistance wire, and described Electrothermic wire is connected in described incision with described energising bus.
9. manufacture method as claimed in claim 8, is characterized in that, in step 4, extrudes front 1-2 hour that PVC particulate material is dried in 40 DEG C of-50 DEG C of baking ovens, forbids sneaking into impurity; Examination requirements is that electric-heating belt should bear the high pressure of 3000V, 2000m/min speed and do not puncture; If inspection with breakdown point, is cut breakdown point to described finished product electric tracing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343068.XA CN104159344B (en) | 2014-07-18 | 2014-07-18 | Electric-heating belt and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410343068.XA CN104159344B (en) | 2014-07-18 | 2014-07-18 | Electric-heating belt and manufacture method thereof |
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| CN104159344A true CN104159344A (en) | 2014-11-19 |
| CN104159344B CN104159344B (en) | 2016-04-06 |
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| CN201410343068.XA Active CN104159344B (en) | 2014-07-18 | 2014-07-18 | Electric-heating belt and manufacture method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930293A (en) * | 2015-06-16 | 2015-09-23 | 无锡艾克森热控科技有限公司 | Heating structure for pipeline and pipeline using same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB878761A (en) * | 1960-07-20 | 1961-10-04 | Thermega Ltd | Improvements in or relating to electrically heated textile articles |
| US4523086A (en) * | 1982-09-13 | 1985-06-11 | Hew Kabel, Heinz Eilentropp Kg | Flexible electrical thermal element |
| CN2236710Y (en) * | 1995-03-17 | 1996-10-02 | 无锡市盛源电热电器厂 | Super long electric heating cable working at 380V power supply |
| CN2602575Y (en) * | 2003-02-14 | 2004-02-04 | 赵放 | Silicon rubber parallel ribbon heater |
| CN101252795A (en) * | 2007-11-07 | 2008-08-27 | 赵放 | Bimetallic wire electrothermal band |
| CN202059605U (en) * | 2011-05-23 | 2011-11-30 | 成都奥派风雅电缆制造有限公司 | Clipping high strength heating cable for road engineering |
-
2014
- 2014-07-18 CN CN201410343068.XA patent/CN104159344B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB878761A (en) * | 1960-07-20 | 1961-10-04 | Thermega Ltd | Improvements in or relating to electrically heated textile articles |
| US4523086A (en) * | 1982-09-13 | 1985-06-11 | Hew Kabel, Heinz Eilentropp Kg | Flexible electrical thermal element |
| CN2236710Y (en) * | 1995-03-17 | 1996-10-02 | 无锡市盛源电热电器厂 | Super long electric heating cable working at 380V power supply |
| CN2602575Y (en) * | 2003-02-14 | 2004-02-04 | 赵放 | Silicon rubber parallel ribbon heater |
| CN101252795A (en) * | 2007-11-07 | 2008-08-27 | 赵放 | Bimetallic wire electrothermal band |
| CN202059605U (en) * | 2011-05-23 | 2011-11-30 | 成都奥派风雅电缆制造有限公司 | Clipping high strength heating cable for road engineering |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930293A (en) * | 2015-06-16 | 2015-09-23 | 无锡艾克森热控科技有限公司 | Heating structure for pipeline and pipeline using same |
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| Publication number | Publication date |
|---|---|
| CN104159344B (en) | 2016-04-06 |
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