CN212851075U - High-temperature constant-power electric heating belt - Google Patents
High-temperature constant-power electric heating belt Download PDFInfo
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- CN212851075U CN212851075U CN202022081696.9U CN202022081696U CN212851075U CN 212851075 U CN212851075 U CN 212851075U CN 202022081696 U CN202022081696 U CN 202022081696U CN 212851075 U CN212851075 U CN 212851075U
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- air bag
- elastic insulating
- insulating tape
- electric heating
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Abstract
The utility model relates to the technical field of cables, in particular to a high-temperature constant-power electric heating belt, which comprises two groups of elastic insulating belts and an elastically deformable air bag positioned between the two elastic insulating belts; the elastic insulating tape is provided with a heating groove with an elastic heat conducting pad, an electric heating wire is arranged in the heating groove, the periphery of the electric heating wire is wrapped with a heat conducting layer, and the outer wall of the heat conducting layer is attached to and fixedly connected with the inner wall of the elastic heat conducting pad; the air bag is arranged corresponding to the heat conduction layer, one end of the air bag is provided with an air pipe which can inflate the air bag to enable the air bag to expand and deform, and when the air bag is inflated through the air pipe, the air bag and the elastic insulating tape expand and deform to enable the elastic insulating tape to be tightly supported on the surface of the carrier. The utility model discloses can make the gasbag stretch out of shape in order to prop up elastic insulation area in the carrier surface together with elastic insulation area inflation, strengthen the elastic insulation area and tie up the intensity of tying up on the carrier, and the elastic insulation area can be according to filling gas in the gasbag what and change and tie up intensity, and the practicality is strong.
Description
Technical Field
The utility model relates to the technical field of cables, specifically a high temperature constant power electric heat belt.
Background
The electric heating belt is an electric heating element of a self-temperature-limiting heating belt, and a layer of core belt made of semiconductor PTC materials with positive temperature coefficients is uniformly extruded between two parallel metal buses. The constant-power electric heating belt has the characteristic of constant heating value under the unit length, and in industrial application, the constant-power electric heating belt is usually matched with a temperature controller to realize accurate regulation and control of the temperature of a medium in a pipeline. In the prior art, the electric heating tape is inconvenient to bind and fix on carriers such as pipelines and the like when in use, and is easy to loosen and fall off, and the heating efficiency is easy to reduce due to the fact that the heating wire in the electric heating tape is loosened by contact with the surface of the electric heating wire. In view of this, we propose a high temperature constant power electrothermal tape to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature constant power ribbon heater can increase the tightness between its and the carrier, avoids current ribbon heater to tie up the problem that when tying up become flexible easily and drop.
For the purpose that realizes above-mentioned anchorage between can increasing electric heat tape and the carrier, the utility model provides a following technical scheme: a high-temperature constant-power electric heating belt comprises two groups of elastic insulating belts and an elastically deformable air bag positioned between the two elastic insulating belts; the elastic insulating tape is provided with a heating groove with an elastic heat conducting pad, an electric heating wire distributed along the length direction of the heating groove is arranged in the heating groove, the periphery of the electric heating wire is wrapped with a heat conducting layer, and the outer wall of the heat conducting layer is attached to and fixedly connected with the inner wall of the elastic heat conducting pad; the air bag is arranged corresponding to the heat conduction layer, one end of the air bag is provided with an air pipe which can inflate the air bag to enable the air bag to expand and deform, and when the air bag is inflated through the air pipe, the air bag and the elastic insulating tape expand and deform to enable the elastic insulating tape to be tightly supported on the surface of the carrier.
Optionally, the heating wire is provided with the multiunit and equidistant distribution in the inside of heating groove, the heating inslot be located between the adjacent heating wire have with the deformation chamber of gasbag intercommunication, and elastic insulation area and gasbag are plugging structure along its length direction's both ends.
Optionally, the upper and lower edges of the elastic insulating tape are respectively formed with welts in a convex structure, and the upper and lower welts are distributed in a staggered manner; when the elastic insulating tape is spirally wound, two welts which are adjacent up and down are butted and attached to each other.
Optionally, rectangular grooves are formed in the upper end and the lower end of the elastic insulating tape, and magnetic blocks which can be magnetically attached and fixed to the upper edge and the lower edge of the elastic insulating tape when the elastic insulating tape is spirally wound are arranged in the rectangular grooves.
Optionally, one end of the air tube, which is far away from the air bag, is connected with a sealing plug capable of plugging the air tube through an elastic rope.
Compared with the prior art, the utility model provides a high temperature constant power ribbon heater possesses following beneficial effect: the utility model discloses an electric heat tape is provided with the gasbag that can inflate with elastic deformation between two elastic insulation area, can make gasbag together with elastic insulation area inflation deformation in order to prop up elastic insulation area in the carrier surface tightly, strengthen the elastic insulation area and tie up the intensity of tying up on the carrier, and gasbag elastic support elastic insulation area, be difficult for causing the damage to elastic insulation area, and elastic insulation area can be according to filling in the gasbag into how much of gaseous and change and tie up intensity, the practicality is strong.
Drawings
FIG. 1 is a schematic structural view of the present invention after being spirally wound;
FIG. 2 is an axial cross-sectional view of the spiral wound coil of the present invention;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
In the figure: 1. an electric heating tape; 2. an elastic insulating tape; 3. an elastic heat-conducting pad; 4. an electric heating wire; 5. a heat conductive layer; 6. a heating tank; 7. a magnetic block; 8. edge fitting; 9. an air bag; 10. a rectangular groove; 11. an air tube; 12. and (4) sealing the plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a high-temperature constant-power electric heating belt 1 as shown in figures 1-3, which comprises two groups of elastic insulating belts 2 and an elastically deformable air bag 9 positioned between the two groups of elastic insulating belts; the elastic insulating belt 2 is provided with a heating groove 6 with an elastic heat conducting pad 3, an electric heating wire 4 distributed along the length direction of the heating groove 6 is arranged in the heating groove 6, the periphery of the electric heating wire 4 is wrapped with a heat conducting layer 5, and the outer wall of the heat conducting layer 5 is attached and fixedly connected to the inner wall of the elastic heat conducting pad 3; the air bag 9 is arranged corresponding to the heat conduction layer 5, one end part of the air bag 9 is provided with an air pipe 11 which can be inflated into the air bag 9 to expand and deform the air bag 9, and when the air bag 9 is inflated through the air pipe 11, the air bag 9 and the elastic insulation belt 2 expand and deform to support the elastic insulation belt 2 on the surface of the carrier.
In this embodiment, the heating wires 4 are provided with a plurality of groups and are distributed in the heating groove 6 at equal intervals, a deformation cavity communicated with the air bag 9 is formed between adjacent heating wires 4 in the heating groove 6, both ends of the elastic insulating tape 2 and the air bag 9 in the length direction are both plugging structures, and the heating wires 4 and the heat conduction layer 5 are electrically powered from the outside after penetrating through the plugging structures at both ends of the elastic insulating tape 2. The deformation chamber has certain radiating effect, avoid the heat gathering too high and influence device life, together the deformation of inflation when gasbag 9 is aerifyd in the same time deformation chamber, so that prop elastic insulation area 2 tightly in the carrier surface, strengthened the intensity that elastic insulation area 2 tied up on the carrier, and gasbag 9 elastic support elastic insulation area 2, be difficult for causing the damage to elastic insulation area 2, and elastic insulation area 2 can be according to the gasbag 9 in fill into gaseous how much and change tie up the intensity, therefore, the clothes hanger is strong in practicability.
Specifically, the upper edge and the lower edge of the elastic insulating tape 2 are respectively formed with welts 8 in a convex structure, and the upper welt 8 and the lower welt 8 are distributed in a staggered manner; when the elastic insulating tape 2 is spirally wound on the carrier, the two welts 8 adjacent to each other from top to bottom are butted and attached to each other, so that the elastic insulating tape 2 is tightly wound.
Further, the upper end and the lower end of the elastic insulating tape 2 are both internally provided with rectangular grooves 10, and the rectangular grooves 10 are internally provided with magnetic blocks 7 which can be magnetically attached and fixed to the upper edge and the lower edge of the elastic insulating tape 2 when the elastic insulating tape is spirally wound. The elastic insulating tape 2 is positioned by the magnetic block 7 which is magnetically attached and fixed when the elastic insulating tape is spirally bound on the carrier, so that the elastic insulating tape is convenient to stably bind.
In addition, a sealing plug 12 capable of plugging the air tube 11 is connected to one end of the air tube 11 far away from the air bag 9 through an elastic rope. When the sealing plug 12 is opened, the air bag 9 can be inflated through the air tube 11, so that the elastic insulating tape 2 is fixedly bound on the carrier through the expansion deformation of the air bag 9 and the elastic insulating tape 2.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. A high-temperature constant-power electric heating belt is characterized in that: comprises two groups of elastic insulating tapes (2) and an elastically deformable air bag (9) positioned between the two groups of elastic insulating tapes; the elastic insulating tape (2) is provided with a heating groove (6) with an elastic heat conducting pad (3), heating wires (4) distributed along the length direction of the heating groove (6) are arranged in the heating groove (6), the periphery of each heating wire (4) is wrapped with a heat conducting layer (5), and the outer wall of each heat conducting layer (5) is attached to and fixedly connected with the inner wall of the elastic heat conducting pad (3); the air bag (9) is arranged corresponding to the heat conduction layer (5), an air pipe (11) which can be inflated into the air bag (9) to enable the air bag to expand and deform is arranged at one end of the air bag, and when the air bag (9) is inflated through the air pipe (11), the air bag (9) and the elastic insulating tape (2) expand and deform to enable the elastic insulating tape (2) to be tightly supported on the surface of a carrier.
2. The high-temperature constant-power electric heating tape according to claim 1, wherein: heating wire (4) are provided with the inside of multiunit and equidistant distribution at heating tank (6), be located in heating tank (6) in between adjacent heating wire (4) have with the deformation chamber of gasbag (9) intercommunication, and elastic insulation area (2) and gasbag (9) are plugging structure along its length direction's both ends.
3. The high-temperature constant-power electric heating tape according to claim 1, wherein: the upper edge and the lower edge of the elastic insulating tape (2) are respectively provided with a welt (8) in a convex structure, and the upper welt (8) and the lower welt (8) are distributed in a staggered manner; when the elastic insulating tape (2) is spirally wound, two welts (8) which are adjacent up and down are butted and attached to each other.
4. The high-temperature constant-power electric heating tape according to claim 1, wherein: the elastic insulating tape is characterized in that rectangular grooves (10) are formed in the upper end and the lower end of the elastic insulating tape (2), and magnetic blocks (7) which can be magnetically attached and fixed to the upper edge and the lower edge of the elastic insulating tape (2) when the elastic insulating tape (2) is spirally wound are arranged in the rectangular grooves (10).
5. The high-temperature constant-power electric heating tape according to claim 1, wherein: one end of the air pipe (11) far away from the air bag (9) is connected with a sealing plug (12) which can seal the air pipe (11) through an elastic rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022081696.9U CN212851075U (en) | 2020-09-21 | 2020-09-21 | High-temperature constant-power electric heating belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022081696.9U CN212851075U (en) | 2020-09-21 | 2020-09-21 | High-temperature constant-power electric heating belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212851075U true CN212851075U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022081696.9U Active CN212851075U (en) | 2020-09-21 | 2020-09-21 | High-temperature constant-power electric heating belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212851075U (en) |
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2020
- 2020-09-21 CN CN202022081696.9U patent/CN212851075U/en active Active
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