CN207638920U - A kind of series electric heating band - Google Patents
A kind of series electric heating band Download PDFInfo
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- CN207638920U CN207638920U CN201721425046.3U CN201721425046U CN207638920U CN 207638920 U CN207638920 U CN 207638920U CN 201721425046 U CN201721425046 U CN 201721425046U CN 207638920 U CN207638920 U CN 207638920U
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Abstract
The utility model provides a kind of series electric heating band, including core, core, outside is provided with insulating layer, inner restrictive coating is provided with outside insulating layer, rubber skeleton is installed outside inner restrictive coating, it is provided with shielded layer on the outside of rubber skeleton, it is provided with external sheath layer on the outside of shielded layer, enhancement layer is provided with outside external sheath layer, the enhancement layer intermediate annular is evenly equipped with several wires, it is provided with filled layer between the inner restrictive coating and shielded layer, the series electric heating band of the utility model, the resistance of core unit length and by electric current it is very fixed, so the fever of whole ribbon heater first place is uniform, output power is constant, it is long using length, and built-in rubber skeleton, reinforcing rib and wire, it can preferably ensure the fastness of heating tape, exposed inner core will not be bent, it ensure that safe to use, increase service life.
Description
Technical field
The present invention relates to ribbon heater, more particularly to a kind of series electric heating band.
Background technology
Electric-heating belt is a kind of novel high-tech product, and since the last century 70's enters application field, they can
It is conveyed in the duct and the anti-freezing and heat-insulating of tank body, maintenance technological temperature, heating highway, slope with being widely used in liquid object
Road, crossing, eaves and floor etc..When electric-heating belt works, if the heat that electric-heating belt is transmitted to system in the unit interval
Amount is equal to the heat that system is transmitted to external environment, then the temperature of system remains unchanged.The maximum temperature that system can be made to reach, referred to as
Highest maintains temperature.
Serial heating band is that have same cross-sectional area by three, and the parallel insulation copper stranded conductor of certain length is as power supply
Busbar and fever core, by the reliable short circuit of one end, the other end connects 380V（Or the voltage of design）Power supply is formed one
Star load, electric energy are converted into thermal energy star load and constantly release heat, form a continuous, uniform electric tracing of fever
Band.Due to the characteristics of its is safe and reliable, purposes is wide, free from environmental pollution, long lifespan, it is widely used in oil, chemical industry, steel, electricity
It is the pipeline of Li Deng industrial enterprises, the tracing thermal-insulating of storage tank, anti-freezing, antifreeze；It is generally applicable to general area, danger area and corrosion region.
But needed serial heating band setting high aerial in certain occasions, due to conducting oneself with dignity the time grown ribbon heater and be easy
There is sagging fracture, ribbon heater cracking can more also occur and cause safety accident, shorten the working life, brought directly to enterprise
Economic loss.It is contemplated that providing a kind of new construction to solve the problems, such as this.
Invention content
It is easy to use in order to compensate for the shortcomings of the prior art, the present invention provides a kind of simple in structure, safety and sanitation.
The present invention is achieved through the following technical solutions：
A kind of series electric heating band, including core are provided with insulating layer outside core, inner sheath are provided with outside insulating layer
Layer, rubber skeleton is installed outside inner restrictive coating, shielded layer is provided on the outside of rubber skeleton, oversheath is provided on the outside of shielded layer
Layer, is provided with enhancement layer outside external sheath layer, and the enhancement layer intermediate annular is evenly equipped with several wires, the inner restrictive coating and
Filled layer is provided between shielded layer.
The series electric heating band of the present invention, the core are three cores, two cores or single, the inner sheath outside two cores and three cores
Be provided with reinforcing rib between layer, rubber skeleton is ellipse between two-chip structure core, single structure and three-core structure core it
Between rubber skeleton be triangle.
The series electric heating band of the present invention, the reinforcing rib are fixedly connected with rubber skeleton, and reinforcing rib is high-strength nylon
Material.
The series electric heating band of the present invention, the inner restrictive coating and external sheath layer are fire retardant polyolefin material.
The series electric heating band of the present invention, the shielded layer are tinned wird.
The series electric heating band of the present invention, the enhancement layer are high temperature flame-proof fluoroplastics.
The material of the series electric heating band of the present invention, the filled layer is PP ropes or the rope made of hemp.
The series electric heating band of the present invention, the insulating layer are F46 fluoroplastics materials.
The series electric heating band of the present invention, the core sectional area are 2 ~ 10mm2, core resistivity is 0.02 ~ 1.1 Ω
mm2/cm2, core heat release load is less than or equal to 0.2 W/cm2, core electric current density is less than 10 A/mm2。
The explosive-proof grade of the series electric heating band of the present invention, the ribbon heater is II T4 of Ex.
The beneficial effects of the invention are as follows：
The present invention series electric heating band, the resistance of core unit length and by electric current it is very fixed, so whole electricity
Tropical the first fever is uniform, and output power is constant, long using length, and built-in rubber skeleton, reinforcing rib and wire, can be with
The fastness for preferably ensureing heating tape, will not bend exposed inner core, ensure that safe to use, increase service life.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is three-core structure schematic diagram of the present invention；
Fig. 2 is two-chip structure schematic diagram of the present invention；
Fig. 3 is single structural schematic diagram of the present invention.
In figure, 1 core；2 insulating layers；3 inner restrictive coatings；4 rubber skeletons；5 reinforcing ribs；6 filled layers；7 shielded layers；It is protected outside 8
Jacket layer；9 enhancement layers；10 wires.
Specific implementation mode
The spatially relative terms such as "upper", "lower" " left side " " right side " can be used herein for ease of explanation, for saying
Relationship of the elements or features relative to another elements or features shown in bright figure.It should be understood that in addition in figure
Except the orientation shown, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device is squeezed, and is stated as being located at other elements or the element of feature "lower" will be located into other elements or feature "upper".Cause
This, exemplary term "lower" can include both upper and lower orientation.
Attached drawing is a kind of specific embodiment of the present invention.The embodiment includes core 1, and insulating layer is provided with outside core 1
2, inner restrictive coating 3 is provided with outside insulating layer 2, rubber skeleton 4 is installed outside inner restrictive coating 3, and 4 outside of rubber skeleton is provided with
Shielded layer 7, the outside of shielded layer 7 are provided with external sheath layer 8, are provided with enhancement layer 9 outside external sheath layer 8, among the enhancement layer 9
Annular is evenly equipped with several wires 10, and wire 10 is cylindrical-shaped structure, is arranged between the inner restrictive coating 3 and shielded layer 7
There are filled layer 6, rubber skeleton 4 that preferably core 1 can be fixed, filled layer 6 can further ensure internal junction again
The compactness of structure prevents mutually movable influence heating effect between core 1, shortens the working life, 10 diameter very little of wire, about
It is the 1/10 of 9 annular diameter of enhancement layer, ensures electrically heat tracing light weight while playing stiffening effect.
The series electric heating band of the present invention, the core 1 are three cores, two cores or single, the interior shield outside two cores and three cores
Reinforcing rib 5 is provided between jacket layer 3, the reinforcing rib 5 is fixedly connected with rubber skeleton 4, and reinforcing rib 5 is high-strength nylon material
Matter, reinforcing rib 5 can further can be fixed between core 1, and rubber skeleton 4 is ellipse between two-chip structure core 1
Shape, rubber skeleton is triangle between single structure and three-core structure core 1.
The series electric heating band of the present invention, the inner restrictive coating 3 and external sheath layer 8 are fire retardant polyolefin material, described
Shielded layer 7 is tinned wird, and the enhancement layer 9 is high temperature flame-proof fluoroplastics.
The material of the series electric heating band of the present invention, the filled layer 6 is that PP restricts or the rope made of hemp, the insulating layer 2 are F46 fluorine
Plastic material.
The series electric heating band of the present invention, 1 sectional area of the core are 2 ~ 10mm2, 1 resistivity of core is 0.02 ~ 1.1
Ωmm2/cm2, 1 heat release load of core is less than or equal to 0.2 W/cm2, 1 current density of core is less than 10 A/mm2。
The explosive-proof grade of the series electric heating band of the present invention, the ribbon heater is II T4 of Ex.
In use, according to practical service environment, suitable core structure is selected to be installed, can be used if circuit is longer
High-power connectivity kit of connecting carries out multistage connection.
The specific implementation of the present invention is described in detail above, but is intended only as an example, the present invention is not
It is limited to specific implementation case described above, also within protection scope of the present invention to the equivalent modifications that carry out of the present invention.
Claims (10)
1. a kind of series electric heating band, including core（1）, it is characterised in that：Core（1）Outside is provided with insulating layer（2）, insulation
Layer（2）Outside is provided with inner restrictive coating（3）, inner restrictive coating（3）Outside is equipped with rubber skeleton（4）, rubber skeleton（4）Outside is set
It is equipped with shielded layer（7）, shielded layer（7）Outside is provided with external sheath layer（8）, external sheath layer（8）Outside is provided with enhancement layer（9）；
The enhancement layer（9）Intermediate annular is evenly equipped with several wires（10）；The inner restrictive coating（3）And shielded layer（7）Between be arranged
There is filled layer（6）.
2. series electric heating band as described in claim 1, it is characterised in that：Core（1）For three cores, two cores or single, two cores
With the inner restrictive coating outside three cores（3）Between be provided with reinforcing rib（5）, two-chip structure core（1）Between rubber skeleton（4）It is ellipse
Circle, single structure and three-core structure core（1）Between rubber skeleton（4）For triangle.
3. series electric heating band as claimed in claim 2, it is characterised in that：Reinforcing rib（5）With rubber skeleton（4）It is fixed to connect
It connects, reinforcing rib（5）For high-strength nylon material.
4. series electric heating band as described in claim 1, it is characterised in that：Inner restrictive coating（3）And external sheath layer（8）It is resistance
Fire polyolefin material.
5. series electric heating band as described in claim 1, it is characterised in that：Shielded layer（7）For tinned wird.
6. series electric heating band as described in claim 1, it is characterised in that：Enhancement layer（9）For high temperature flame-proof fluoroplastics.
7. series electric heating band as described in claim 1, it is characterised in that：Filled layer（6）Material be PP restrict or the rope made of hemp.
8. series electric heating band as described in claim 1, it is characterised in that：Insulating layer（2）For F46 fluoroplastics materials.
9. series electric heating band as described in claim 1, it is characterised in that：Core（1）Sectional area is 2 ~ 10mm2, core（1）
Resistivity is 0.02 ~ 1.1 Ω mm2/cm2, core（1）Heat release load is less than or equal to 0.2 W/cm2, core（1）Current density is small
In 10 A/mm2。
10. series electric heating band as described in claim 1, it is characterised in that：The explosive-proof grade of ribbon heater is II T4 of Ex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425046.3U CN207638920U (en) | 2017-10-31 | 2017-10-31 | A kind of series electric heating band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425046.3U CN207638920U (en) | 2017-10-31 | 2017-10-31 | A kind of series electric heating band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207638920U true CN207638920U (en) | 2018-07-20 |
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ID=62859148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721425046.3U Active CN207638920U (en) | 2017-10-31 | 2017-10-31 | A kind of series electric heating band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207638920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635298A (en) * | 2017-10-31 | 2018-01-26 | 山东华宁电伴热科技有限公司 | A kind of series electric heating band |
-
2017
- 2017-10-31 CN CN201721425046.3U patent/CN207638920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635298A (en) * | 2017-10-31 | 2018-01-26 | 山东华宁电伴热科技有限公司 | A kind of series electric heating band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A series electric heating band Effective date of registration: 20220617 Granted publication date: 20180720 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan science and technology innovation center sub branch Pledgor: SHANDONG HUANING HEAT TECHNOLOGY CO.,LTD. Registration number: Y2022370000065 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |