CN216960229U - Flexible electric heating piece for preheating treatment of pipeline - Google Patents
Flexible electric heating piece for preheating treatment of pipeline Download PDFInfo
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- CN216960229U CN216960229U CN202220704072.4U CN202220704072U CN216960229U CN 216960229 U CN216960229 U CN 216960229U CN 202220704072 U CN202220704072 U CN 202220704072U CN 216960229 U CN216960229 U CN 216960229U
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Abstract
The utility model discloses a flexible electric heating sheet for preheating a pipeline, which comprises: the heating part comprises a flexible heating assembly, a first insulating layer and a second insulating layer are fixedly connected to two sides of the flexible heating assembly respectively, and a supporting assembly is fixedly connected to one side, far away from the second insulating layer, of the first insulating layer; the insulating layer is fixedly connected to one side, far away from the first insulating layer, of the supporting component; the heat insulation strips are arranged in number, and are fixedly connected to one side, away from the first insulation layer, of the insulation layer at equal intervals; the control part is fixedly connected to one side, away from the first insulating layer, of the insulating layer, and the flexible heating assembly is electrically connected with the control part. The utility model is suitable for various pipe diameter specifications, and the heat insulation strips are designed at the overlapping part, thereby avoiding the local high temperature burning out of the electric heating sheet caused by overlapping.
Description
Technical Field
The utility model relates to the technical field of electric heating sheets, in particular to a flexible electric heating sheet for preheating a pipeline.
Background
In the industrial production and manufacturing process, for example, the pipeline welding and other situations need to carry out preheating treatment on the pipeline so as to ensure the processing quality.
But because current pipeline preheating device can only be applicable to the pipeline of fixed specification usually, lead to pipeline preheating device's practical limitation greatly increased, the demand that satisfies present industrial production that can not be fine.
Therefore, it is desirable to design a flexible electric heating sheet for preheating a pipeline to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flexible electric heating sheet for preheating a pipeline, which comprises:
the heating part comprises a flexible heating assembly, a first insulating layer and a second insulating layer are fixedly connected to two sides of the flexible heating assembly respectively, and a supporting assembly is fixedly connected to one side, far away from the second insulating layer, of the first insulating layer;
the heat insulation layer is fixedly connected to one side, away from the first insulation layer, of the support assembly;
the heat insulation strips are arranged in a plurality of numbers, and the heat insulation strips are fixedly connected to one side of the heat insulation layer away from the first insulation layer at equal intervals;
the control part is fixedly connected to one side, away from the first insulating layer, of the heat preservation layer, and the flexible heating assembly is electrically connected with the control part.
Preferably, the flexible heating assembly comprises a flexible layer located between the first insulating layer and the second insulating layer, and both the first insulating layer and the second insulating layer are fixedly connected with the flexible layer; an electric heating wire is fixedly connected in the flexible layer and electrically connected with the control part.
Preferably, the control part comprises an outgoing line end socket, a temperature control switch and an outgoing line, the outgoing line end socket and the temperature control switch are fixedly connected with the heat insulation layer, and the outgoing line end socket and the temperature control switch are both positioned on one side, far away from the first insulation layer, of the heat insulation layer; the temperature control switch with electric heating wire all with lead-out wire head electric connection, the lead-out wire with temperature control switch electric connection.
Preferably, a fuse is arranged between the outgoing line and the temperature control switch, and the outgoing line is electrically connected with the temperature control switch through the fuse.
Preferably, the support assembly includes a first flexible support layer and a second flexible support layer, the first flexible support layer is fixedly connected to the first insulating layer, and the second flexible support layer is fixedly connected to a side of the first flexible support layer away from the first insulating layer.
Preferably, the first flexible support layer is a glass fiber cloth layer.
Preferably, the second flexible supporting layer is a foamed silica gel layer.
Preferably, the first insulating layer is a mica tape layer, and the second insulating layer is a heat-conducting silica gel layer.
The utility model discloses the following technical effects:
when the electric heating device is used, the flexible electric heating sheet is wound on the pipeline, and the pipeline is preheated by generating heat through the electric heating wire. The flexible electric heating plate is a flexible strip-shaped structure when not in use, the flexible electric heating plate is wound on a pipeline when in use, the flexible electric heating plate can be suitable for various pipe diameter specifications, the heat insulation strips are designed at the overlapped part, and the electric heating plate is prevented from being burnt out due to local high temperature caused by overlapping.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a top view of a flexible electrical heating sheet for preheating a pipe according to the present invention;
FIG. 2 is a front cross-sectional view of a flexible electric heating strip for preheating a pipe according to the present invention;
FIG. 3 is a schematic view of a heating portion according to the present invention;
FIG. 4 is a schematic structural diagram of a flexible electric heating sheet for preheating a pipeline according to a second embodiment of the present invention;
FIG. 5 is an enlarged view of A in FIG. 4;
wherein, 1, leading-out wire end socket; 2. an outgoing line; 3. a heat insulating strip; 4. a heat-insulating layer; 5. a heating section; 6. a temperature control switch; 7. a fuse; 8. connecting blocks; 9. a through hole; 10. a spring; 11. a slide plate; 12. pressing a plate; 13. a connecting rod; 501. a first flexible support layer; 502. a second flexible support layer; 503. a first insulating layer; 504. an electric heating wire; 505. a flexible layer; 506. a second insulating layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The first embodiment is as follows:
referring to fig. 1-3, the present invention provides a flexible electric heating sheet for preheating a pipeline, comprising:
the heating part 5, the heating part 5 includes a flexible heating element, a first insulating layer 503 and a second insulating layer 506 are respectively and fixedly connected to two sides of the flexible heating element, and a supporting element is fixedly connected to one side of the first insulating layer 503, which is far away from the second insulating layer 506;
the insulating layer 4 is fixedly connected to one side, away from the first insulating layer 503, of the supporting component;
a plurality of heat insulation strips 3 are arranged, and the heat insulation strips 3 are fixedly connected to one side of the heat insulation layer 4 far away from the first insulation layer 503 at equal intervals; the heat insulation strips 3 are designed at the overlapping part, so that the electric heating sheet is prevented from being burnt out due to local high temperature caused by overlapping.
The control part is fixedly connected to one side, away from the first insulating layer 503, of the insulating layer 4, and the flexible heating assembly is electrically connected with the control part.
Further, the heat insulating strips 3 are provided at the ends of the heat insulating layer 4.
Further, the flexible heating assembly comprises a flexible layer 505 located between a first insulating layer 503 and a second insulating layer 506, and both the first insulating layer 503 and the second insulating layer 506 are fixedly connected with the flexible layer 505; an electric heating wire 504 is fixedly connected in the flexible layer 505, and the electric heating wire 504 is electrically connected with the control part. The electric heating wire 504 generates heat to preheat the pipeline, and the electric heating wire 504 is positioned in the flexible layer 505 and can be bent better to adapt to the shape of the pipeline.
Further, the control part comprises an outgoing line end socket 1, a temperature control switch 6 and an outgoing line 2, the outgoing line end socket 1 and the temperature control switch 6 are fixedly connected with the heat insulation layer 4, and the outgoing line end socket 1 and the temperature control switch 6 are both positioned on one side, far away from the first insulation layer 503, of the heat insulation layer 4; temperature detect switch 6 and electric heating wire 504 all with lead-out wire head 1 electric connection, lead-out wire 2 and temperature detect switch 6 electric connection. By arranging the temperature control switch 6, when the temperature generated by the electric heating wire 504 is higher than the temperature control switch 6, the electric heating wire 504 is closed, and the safety of the flexible electric heating sheet is guaranteed.
Further, in order to ensure the safety of the flexible electric heating sheet, a fuse 7 is arranged between the outgoing line 2 and the temperature control switch 6, and the outgoing line 2 is electrically connected with the temperature control switch 6 through the fuse 7.
Further, the support assembly includes a first flexible support layer 501 and a second flexible support layer 502, the first flexible support layer 501 is fixedly connected to the first insulating layer 503, and the second flexible support layer 502 is fixedly connected to a side of the first flexible support layer 501 away from the first insulating layer 503.
Further, in order to increase the supporting force for attaching the flexible electric heating sheet to the wall of the pipeline, the first flexible supporting layer 501 is a glass fiber cloth layer.
Further, in order to increase the supporting force for attaching the flexible electric heating sheet to the wall of the pipeline, the second flexible supporting layer 502 is a foamed silica gel layer.
Further, in order to avoid damage to the support assembly and the insulating layer 4 caused by high temperature generated by the flexible heating assembly, the first insulating layer 503 is a mica tape layer with good insulating property and heat resistance, and in order to enable heat generated by the flexible heating assembly to be better transferred to the pipeline, the second insulating layer 506 is a heat conducting silica gel layer.
The working process is as follows: the flexible electric heating sheet is wound on a pipeline, and the pipeline is preheated by generating heat through the electric heating wire 504. The utility model is a flexible strip structure when not in use, the flexible electric heating sheet is wound on the pipeline when in use, the utility model can be suitable for various pipe diameter specifications, the heat insulation strip 3 is designed at the overlapping part, and the local high temperature burnout of the electric heating sheet caused by overlapping is avoided.
Example two:
referring to fig. 4-5, a second embodiment is different from the first embodiment in that a connecting block 8 is fixedly connected to one end of the heat insulating layer 4 away from the heat insulating strip 3, a through hole 9 is formed in the bottom of the connecting block 8, a plurality of slide ways are formed in the connecting block 8 and are located above the through hole 9, a sliding plate 11 is slidably connected in each slide way, a spring 10 is fixedly connected to the top end of the sliding plate 11, the tail end of the spring 10 is fixedly connected to the inner wall of the top end of each slide way, a connecting rod 13 is fixedly connected to the bottom end of the sliding plate 11, the tail end of the connecting rod 13 extends into the through hole 9 and is fixedly connected to a pressing plate 12, and a rubber pad is fixedly connected to the bottom end of the pressing plate 12 for increasing friction force (not shown in the drawing).
The working process is as follows: the second insulating layer 506 of the flexible electric heating sheet is attached to the pipeline tightly, the flexible electric heating sheet is wound on the pipeline, one end, far away from the connecting block 8, of the flexible electric heating sheet is inserted into the connecting block 8 through the through hole 9, the pressing plate 12 can only press the flexible electric heating sheet under the action of the elastic force of the spring 10, the length of the flexible electric heating sheet inserted into the connecting block 8 is adjusted according to the specification of the pipeline, and the flexible electric heating sheet fixing device can be better fixed on the pipelines with different specifications.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. A flexible electric heating plate for preheating a pipeline is characterized by comprising:
the heating part (5) comprises a flexible heating assembly, a first insulating layer (503) and a second insulating layer (506) are fixedly connected to two sides of the flexible heating assembly respectively, and a supporting assembly is fixedly connected to one side, far away from the second insulating layer (506), of the first insulating layer (503);
the heat insulation layer (4), the heat insulation layer (4) is fixedly connected to one side, away from the first insulation layer (503), of the support assembly;
the heat insulation strips (3) are arranged, and the heat insulation strips (3) are fixedly connected to one side, away from the first insulation layer (503), of the heat insulation layer (4) at equal intervals;
the control part is fixedly connected to one side, far away from the first insulating layer (503), of the heat preservation layer (4), and the flexible heating assembly is electrically connected with the control part.
2. The flexible electric heating sheet for preheating treatment of pipelines according to claim 1, wherein: the flexible heating assembly comprises a flexible layer (505) positioned between a first insulating layer (503) and a second insulating layer (506), and the first insulating layer (503) and the second insulating layer (506) are fixedly connected with the flexible layer (505); an electric heating wire (504) is fixedly connected in the flexible layer (505), and the electric heating wire (504) is electrically connected with the control part.
3. The flexible electric heating sheet for preheating treatment of pipelines according to claim 2, wherein: the control part comprises an outgoing line end socket (1), a temperature control switch (6) and an outgoing line (2), the outgoing line end socket (1) and the temperature control switch (6) are fixedly connected with the heat insulation layer (4), and the outgoing line end socket (1) and the temperature control switch (6) are located on one side, away from the first insulation layer (503), of the heat insulation layer (4); the temperature control switch (6) and the electric heating wire (504) are electrically connected with the outgoing line end socket (1), and the outgoing line (2) is electrically connected with the temperature control switch (6).
4. The flexible electric heating sheet for preheating treatment of pipelines according to claim 3, wherein: fuse (7) are arranged between the outgoing line (2) and the temperature control switch (6), and the outgoing line (2) is electrically connected with the temperature control switch (6) through the fuse (7).
5. The flexible electric heating sheet for preheating treatment of pipelines according to claim 1, wherein: the supporting assembly comprises a first flexible supporting layer (501) and a second flexible supporting layer (502), wherein the first flexible supporting layer (501) is fixedly connected with the first insulating layer (503), and the second flexible supporting layer (502) is fixedly connected to one side, far away from the first insulating layer (503), of the first flexible supporting layer (501).
6. The flexible electric heating sheet for preheating treatment of pipelines of claim 5, wherein: the first flexible supporting layer (501) is a glass fiber cloth layer.
7. The flexible electric heating sheet for preheating treatment of pipelines of claim 5, wherein: the second flexible supporting layer (502) is a foaming silica gel layer.
8. The flexible electric heating sheet for preheating treatment of pipelines according to claim 1, wherein: the first insulating layer (503) is a mica tape layer, and the second insulating layer (506) is a heat-conducting silica gel layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220704072.4U CN216960229U (en) | 2022-03-29 | 2022-03-29 | Flexible electric heating piece for preheating treatment of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220704072.4U CN216960229U (en) | 2022-03-29 | 2022-03-29 | Flexible electric heating piece for preheating treatment of pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216960229U true CN216960229U (en) | 2022-07-12 |
Family
ID=82299339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220704072.4U Active CN216960229U (en) | 2022-03-29 | 2022-03-29 | Flexible electric heating piece for preheating treatment of pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216960229U (en) |
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2022
- 2022-03-29 CN CN202220704072.4U patent/CN216960229U/en active Active
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