CN219553973U - Heating cable with double shielding layers - Google Patents
Heating cable with double shielding layers Download PDFInfo
- Publication number
- CN219553973U CN219553973U CN202320463052.7U CN202320463052U CN219553973U CN 219553973 U CN219553973 U CN 219553973U CN 202320463052 U CN202320463052 U CN 202320463052U CN 219553973 U CN219553973 U CN 219553973U
- Authority
- CN
- China
- Prior art keywords
- shielding layer
- metal support
- support frame
- heating
- cable
- 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.)
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Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 42
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920001971 elastomer Polymers 0.000 claims abstract description 14
- 239000011888 foil Substances 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 abstract description 4
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 33
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to a heating cable with double shielding layers, which comprises a cable body and a joint part, wherein the cable body comprises a heating core, an insulating sleeve, a metal wire shielding layer, an aluminum foil shielding layer and a heat conducting sheath, the heating core, the insulating sleeve, the metal wire shielding layer, the aluminum foil shielding layer and the heat conducting sheath are sequentially sleeved from inside to outside, the joint part is arranged at the end part of the cable body, the joint part comprises a metal support frame and a rubber sleeve formed by injection molding on a metal support piece, the metal support frame is connected with the metal wire shielding layer and the aluminum foil shielding layer, the middle part of the metal support frame is protruded out of the rubber sleeve and is grounded, and the insulating sleeve wraps the heating core to penetrate through the joint part. This design adopts wire shielding layer and aluminium foil shielding layer as double-deck shielding, through metal support frame ground connection back, does not have electromagnetic radiation risk, and metal support frame supports injection moulding's gum cover, improves the structural strength of joint portion.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a heating cable with double shielding layers.
Background
The heating cable has the characteristics of good low-temperature heating effect, warmth, comfort, health and environmental protection, convenient installation, no water consumption, freezing resistance, environmental protection, controllability, no investment such as pipelines, ditches, boiler rooms and the like, and is applied to more and more buildings such as household electric heating, livestock breeding cultivation, pipeline heating and freezing prevention. When the heating cable is used as the household floor heating, the indoor space is inevitably in a weak electromagnetic environment after the cable is electrified because the laying area is wider, and the indoor space is harmful to electromagnetic radiation for a long time. It is common practice to integrate a layer of aluminum foil into the heating cable as an electromagnetic shielding layer. But the electromagnetic shielding effect of the single-layer shielding is not very good under the long-time high-power operation environment, so that improvement is needed, and secondly, the connector of the connecting part of the conventional heating cable at the external connection part of the ground heating is formed by adopting injection molding and encapsulation, so that the heating cable is easy to oxidize and loosen for a long time, and electric leakage is easy to cause.
Disclosure of Invention
Based on this, it is necessary to provide a heating cable having a double shielding layer in order to solve the above-described problems.
The utility model provides a heating cable with double shielding layer, includes cable body and joint portion, the cable body includes the core that generates heat, insulating cover, wire shielding layer, aluminium foil shielding layer and heat conduction sheath, the core that generates heat, insulating cover, wire shielding layer, aluminium foil shielding layer and heat conduction sheath suit in proper order from inside to outside, joint portion sets up the tip of cable body, joint portion includes metal support frame and moulds plastics the rubber sleeve that forms on metal support piece, metal support frame is connected with wire shielding layer and aluminium foil shielding layer, metal support frame middle part protrusion rubber sleeve and ground connection, insulating cover parcel core that generates heat runs through joint portion.
Preferably, the insulating sleeve is coated with a heat transfer protective film.
Preferably, the heating core is formed by twisting a plurality of strands of heating aluminum alloy wires.
Preferably, a convex column is arranged in the middle of the metal support frame, and penetrates through the rubber head to be grounded.
Preferably, the heat conducting sheath is a PVC high temperature resistant flame retardant sheath.
The utility model has the advantages that: the metal wire shielding layer and the aluminum foil shielding layer are used as double-layer shielding, after the metal support frame is grounded, the concern of electromagnetic radiation is avoided, and the use experience of a user is improved; the metal support frame is used as the protective sleeve to protect the insulating sleeve passing through the metal support frame and support the injection molding rubber sleeve, so that the structural strength of the joint part is improved, the joint part is prevented from being deformed by oxidization for a long time, and the joint part of the metal support frame and the insulating sleeve is loosened, so that the safety accident is caused.
Drawings
FIG. 1 is a schematic diagram of a heating cable with dual shielding layers according to an embodiment;
fig. 2 is a schematic perspective view of a metal support frame.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-2, a heating cable with double shielding layers comprises a cable body 1 and a joint part 2, wherein the cable body 1 comprises a heating core 11, an insulating sleeve 12, a metal wire shielding layer 13, an aluminum foil shielding layer 14 and a heat conducting sheath 15, the heating core 11, the insulating sleeve 12, the metal wire shielding layer 13, the aluminum foil shielding layer 14 and the heat conducting sheath 15 are sequentially sleeved from inside to outside, the joint part 2 is arranged at the end part of the cable body 1, the joint part 2 comprises a metal support frame 21 and a rubber sleeve 22 formed on the metal support piece 21 by injection molding, the metal support frame 21 is connected with the metal wire shielding layer 13 and the aluminum foil shielding layer 14, the middle part of the metal support frame 21 is protruded out of the rubber sleeve 22 and is grounded, and the insulating sleeve 12 wraps the heating core 11 to penetrate through the joint part 2. Specifically, in this embodiment, after the heating core 11 is electrified, heat passes through the insulating sleeve 12, the metal wire shielding layer 13, the aluminum foil shielding layer 14 and the heat conducting sheath 15 due to its own resistance, and then is radiated to the floor at low temperature, thereby heating the indoor space and completing the geothermal function. According to the utility model, the heating core 11 is formed by twisting a plurality of strands of heating aluminum alloy wires, so that the heating performance is better, the stability is good, the flexibility is good, and the cable body 1 is easy to bend to form S-shaped construction. The insulating sleeve 12 is insulated by flame-retardant all-silicon rubber, and the highest high temperature resistance can reach 260 ℃. The silicone rubber has good ageing resistance, thermal conductivity, weather resistance, corrosion resistance and very high resistivity. The metal wire shielding layer 13 and the aluminum foil shielding layer 14 are sleeved outside the insulating sleeve 12, double-layer electromagnetic shielding is achieved, the worry of electromagnetic radiation is avoided, and the use experience of a user is improved. And the heat conducting sheath 15 adopts a PVC high-temperature resistant flame retardant sheath, the PVC sheath has good flame retardance and high safety coefficient. When the connector 2 is installed at the end part of the cable body 1, the heat conducting sheath 15 is stripped off and the insulating sleeve 12 is inserted into the metal support frame 21, then an operator folds the die, molten plastic is injected into the clamp, a layer of rubber sleeve 22 is formed by injection molding inside and outside the metal support frame 21, and the metal support frame 21 is used as a grounding connecting piece of the metal wire shielding layer 13 and the aluminum foil shielding layer 14, so that the grounding is safe, no leakage risk exists, and the use safety of a user is improved.
As shown in fig. 1, the insulating sleeve 12 is wrapped with a heat transfer protective film 121, the wire shielding layer 13 is wire-mesh and directly attached to the insulating sleeve 12, and after a long time, the insulating sleeve 12 may be scratched, and the insulating sleeve 12 can be protected from leakage accidents by using the heat transfer 1 protective film 121 as an intermediate layer.
As shown in fig. 2, a protruding column 211 is disposed in the middle of the metal support frame 21, the protruding column 211 penetrates through the rubber sleeve 22 to be grounded, and the protruding column 211 can be correspondingly inserted into a through hole of an injection mold to play a positioning role when the rubber sleeve 22 is injected, and leaks out of the injection mold clamp to prevent integral injection molding, is covered by plastic, and cannot play a role in grounding.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (5)
1. A heating cable with double shielding layers, characterized in that: the cable comprises a cable body and a joint part, wherein the cable body comprises a heating core, an insulating sleeve, a metal wire shielding layer, an aluminum foil shielding layer and a heat conducting sheath, the heating core, the insulating sleeve, the metal wire shielding layer, the aluminum foil shielding layer and the heat conducting sheath are sequentially sleeved from inside to outside, the joint part is arranged at the end part of the cable body, the joint part comprises a metal support frame and a rubber sleeve formed on the metal support piece in an injection molding mode, the metal support frame is connected with the metal wire shielding layer and the aluminum foil shielding layer, the middle part of the metal support frame protrudes out of the rubber sleeve and is grounded, and the insulating sleeve wraps the heating core to penetrate through the joint part.
2. A heating cable with double shielding layers as in claim 1, wherein: the insulating sleeve is wrapped with a heat transfer protective film.
3. A heating cable with double shielding layers as in claim 1, wherein: the heating core is formed by stranding a plurality of strands of heating aluminum alloy wires.
4. A heating cable with double shielding layers as in claim 1, wherein: the middle part of the metal support frame is provided with a convex column, and the convex column penetrates through the rubber head to be grounded.
5. A heating cable with double shielding layers as in claim 1, wherein: the heat conducting sheath is a PVC high temperature resistant flame retardant sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320463052.7U CN219553973U (en) | 2023-03-13 | 2023-03-13 | Heating cable with double shielding layers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320463052.7U CN219553973U (en) | 2023-03-13 | 2023-03-13 | Heating cable with double shielding layers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219553973U true CN219553973U (en) | 2023-08-18 |
Family
ID=87704428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320463052.7U Active CN219553973U (en) | 2023-03-13 | 2023-03-13 | Heating cable with double shielding layers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219553973U (en) |
-
2023
- 2023-03-13 CN CN202320463052.7U patent/CN219553973U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |