High-thermal-conductivity woven mesh heating wire

By incorporating an insulating sleeve and a braided outer layer on the outside of the conductive wire, combined with conductive wires and reinforcing ribs, the problem of carbon fiber heating cables being prone to breakage due to thermal expansion and contraction is solved, thereby improving the stability and safety of the heating wire.

CN223694023UActive Publication Date: 2025-12-19JIANGYIN HAOSHENG ELECTRICAL CABLE MFG CO LTD
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Patent Information

Application Number
CN202422686121.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-12-19
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing carbon fiber heating cables are prone to breakage during thermal expansion and contraction, posing a safety hazard. The friction effect of heat shrink tubing has not completely solved the problem of cable breakage.

Method used

A high thermal conductivity braided heating wire is designed, which uses an insulating sleeve on the outside of the conductive wire and a braided outer layer, with internal mounting grooves and deformation grooves to accommodate thermal expansion and contraction. The conductive wires and reinforcing ribs improve stability and tensile strength.

Benefits of technology

The adaptive thermal expansion and contraction design ensures the stability and safety of the heating wire during use, reduces the risk of cable breakage due to thermal expansion and contraction, and improves the stability and safety of the heating wire.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high thermal conductivity woven mesh heating wire, which relates to the technical field of heating wires, and comprises a conductive wire, the outer side of the conductive wire is provided with an insulating sleeve, the outer side wall of the insulating sleeve is provided with a plurality of mounting grooves in a surrounding manner, and the interior of each mounting groove is provided with a heating wire. The electric lead is arranged, the insulation sleeve is arranged on the outer side of the electric lead, the heating wire is arranged in the installation groove formed in the outer side of the insulation sleeve, the heating wire and the electric lead are installed and fixed through the insulation sleeve, and the conductive wires are arranged between the heating wire and the electric lead and can achieve connection of a circuit. The first deformation groove is formed in the mounting groove, the second deformation grooves are formed in the insulating sleeve, and the first deformation groove and the second deformation grooves can perform self-adaptive thermal expansion and cold contraction when the heating wire heats, so that the influence of thermal expansion and cold contraction on the volume of the heating wire can be controlled, and the stability of the heating wire in the using process is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heating wire, especially a high-thermal-conductivity braided mesh heating wire. BACKGROUND

[0002] In winter, households or public markets are designed with ground heating for heating, and the heat source is radiated from the ground to the indoor space to achieve the effect of heating. Electric floor heating is to heat the ground by laying heating cables underground. At present, heating cables have been widely used in industrial fields such as petroleum, chemical industry, thermal power plants and public fields such as fire-fighting pipelines. However, the safety protection performance of the current carbon fiber heating cable is poor, and the thermal expansion and contraction generated during the heating process of the heating cable can easily cause the cable to break, which has certain safety hazards.

[0003] For example, a grounding type copper braided mesh carbon fiber heating cable with publication number CN205648035U, including carbon fiber heating wire, copper braided mesh and grounding wire, the outer surface of the carbon fiber heating wire is covered with copper braided mesh, the carbon fiber heating wire is electrically connected with the grounding wire, the connecting part of the carbon fiber heating wire and the grounding wire is provided with a protection mechanism, the protection mechanism is composed of an inner heat shrink tube, a silica gel sleeve and an outer heat shrink tube, the connecting part of the carbon fiber heating wire and the grounding wire is sleeved with the inner heat shrink tube, the outer side of the inner heat shrink tube is sleeved with the silica gel sleeve, and the outer side of the silica gel sleeve is sleeved with the outer heat shrink tube, the utility model has the advantages of greatly improving the safety protection performance of the carbon fiber heating wire, simple structure, high safety performance and low cost, and the design is ingenious, which improves the market competitiveness and achieves the purposes of simple structure and reasonable design.

[0004] The above technical scheme has some problems in actual application. The technical scheme avoids the rupture of the cable due to thermal expansion and contraction by increasing the heat shrink tube, but the volume of the heat shrink tube changes during thermal expansion and contraction with the cable, which still causes friction between the cable and the external environment, and there is still a risk of cable rupture.

[0005] Therefore, it is necessary to invent a high-thermal-conductivity braided mesh heating wire to solve the above problems. SUMMARY

[0006] The utility model discloses a high-thermal-conductivity braided mesh heating wire, which is used to solve the problems in the background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A kind of high thermal conductivity braided mesh heating wire, including conducting wire, the outer side of the conducting wire is provided with insulating sleeve, multiple installation grooves are opened around the outer wall of the insulating sleeve, heating wire is provided in the inside of the installation groove, the outer side of the insulating sleeve is provided with braided outer layer, and braided outer layer is set to the outer side of multiple heating wires, first deformation groove is opened in the inner wall of the both sides of the installation groove, multiple second deformation grooves are opened in the inside of the insulating sleeve, and multiple second deformation grooves are respectively staggered with multiple first deformation grooves, multiple conducting wires are penetrated and arranged in the groove bottom of the installation groove, and one end of the conducting wire extends to the inside of the insulating sleeve, one end of the conducting wire is attached with the outer wall of the conducting wire, multiple bosses are fixedly arranged in the inner wall of the insulating sleeve, and multiple bosses are respectively staggered with multiple conducting wires.

[0008] Preferably, the conducting wire is provided as a hollow structure, and a reinforcing rib is penetrated and arranged in the inside of the conducting wire.

[0009] Preferably, a cavity is penetrated and arranged in the middle of the reinforcing rib, and the cavity is provided as a cross structure.

[0010] Preferably, a circular groove is arranged in the middle of the cavity.

[0011] Preferably, the insulating sleeve is provided as a silicone rubber sleeve.

[0012] Preferably, the heating wire is provided as a carbon fiber heating wire, and the braided outer layer is woven by flame-retardant nylon wire.

[0013] The utility model discloses the technical effect and advantage:

[0014] 1, the utility model discloses a conducting wire, the outer side of the conducting wire is provided with insulating sleeve, and the installation groove of insulating sleeve outer side is provided with heating wire, and heating wire and conducting wire are installed and fixed between the insulating sleeve, to guarantee the stability of the position between heating wire and conducting wire, multiple conducting wires are arranged between heating wire and conducting wire, and the circuit is connected by conducting wire, first deformation groove is arranged in the inside of installation groove, multiple second deformation grooves are arranged in the inside of the insulating sleeve, and first deformation groove and second deformation groove can be self-adapting thermal expansion and cold shrink when heating wire heats, so that the influence of thermal expansion and cold shrink on heating wire volume can be controlled, to guarantee the stability in the use of heating wire;

[0015] 2. The utility model discloses a conductive wire is provided with the reinforcing rib in the inside, and the reinforcing rib can promote the tensile property of conductive wire and heating wire, and the inside of reinforcing rib is provided with the cavity of cross structure, and the design of cavity facilitates the bending of reinforcing rib, so as to facilitate the laying of heating wire, and the middle part of cavity is provided with the circular groove, and the design of circular groove facilitates the certain degree deformation of heating wire when being extruded, and will not be damaged, so as to guarantee the stability in the use of heating wire. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the whole structure schematic diagram of the utility model.

[0017] Fig. 2 It is the whole structure cross section schematic diagram of the utility model.

[0018] Fig. 3 It is the insulation sleeve structure schematic diagram of the utility model.

[0019] In the drawing: 1, conductive wire;2, insulation sleeve;3, installation groove;4, heating wire;5, braided outer layer;6, first deformation groove;7, second deformation groove;8, conductive wire;9, lug;10, reinforcing rib;11, cavity;12, circular groove. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] The utility model provides a kind of high-thermal-conductivity braided mesh heating wire as shown in Figs. 1-3 Including conductive wire 1, the outside of conductive wire 1 is provided with insulation sleeve 2, insulation sleeve 2 is set to silicone rubber sleeve, and the outside wall of insulation sleeve 2 is provided with a plurality of installation grooves 3, and the inside of installation groove 3 is provided with heating wire 4, and heating wire 4 is set to carbon fiber heating wire, and the outside of insulation sleeve 2 is provided with braided outer layer 5, and braided outer layer 5 is set to the outside of a plurality of heating wires 4, and braided outer layer 5 is woven by flame-retardant nylon wire, and flame-retardant nylon wire can realize the protection of heating wire;

[0022] Specifically, the two side inner walls of the mounting groove 3 are provided with first deformation grooves 6, and the inside of the insulating sleeve 2 is provided with a plurality of second deformation grooves 7, and the first deformation grooves 6 and the second deformation grooves 7 are staggered, and the first deformation grooves 6 and the second deformation grooves 7 can adaptively expand and contract when the heating wire 4 generates heat, so that the influence of expansion and contraction on the volume of the heating wire can be controlled to ensure the stability of the heating wire during use.

[0023] More specifically, a plurality of conductive wires 8 are arranged through the groove bottom of the mounting groove 3, and one end of the conductive wire 8 extends to the inside of the insulating sleeve 2, and the other end of the conductive wire 8 is attached to the outer side wall of the conductive wire 1, and a plurality of protrusions 9 are fixedly arranged on the inner side wall of the insulating sleeve 2, and the protrusions 9 are staggered with the conductive wires 8, and the protrusions 9 can limit the conductive wires 8.

[0024] In addition, the conductive wire 1 is arranged in a hollow structure, and a reinforcing rib 10 is arranged inside the conductive wire 1, and a cavity 11 is arranged in the middle of the reinforcing rib 10, and the cavity 11 is arranged in a cross structure, and a circular groove 12 is arranged in the middle of the cavity 11, and the design of the circular groove 12 facilitates the deformation of the heating wire to a certain extent without damage when the heating wire is pressed, so as to ensure the stability of the heating wire during use.

[0025] The working principle of the utility model:

[0026] The utility model discloses a conductive wire 1, and the outer side of the conductive wire 1 is provided with an insulating sleeve 2, and a heating wire 4 is arranged in the mounting groove 3 arranged on the outer side of the insulating sleeve 2, and the heating wire 4 and the conductive wire 1 are fixed by the insulating sleeve 2 to ensure the stability of the position between the heating wire 4 and the conductive wire 1, a plurality of conductive wires 8 are arranged between the heating wire 4 and the conductive wire 1, the conductive wires 8 can realize the connection of the circuit, the first deformation groove 6 is arranged in the inside of the mounting groove 3, and a plurality of second deformation grooves 7 are arranged in the inside of the insulating sleeve 2, and the first deformation groove 6 and the second deformation groove 7 can adaptively expand and contract when the heating wire 4 generates heat, so that the influence of expansion and contraction on the volume of the heating wire can be controlled to ensure the stability of the heating wire during use, the conductive wire 1 is arranged, and the inside of the conductive wire 1 is provided with a reinforcing rib 10, and the reinforcing rib 10 can improve the anti-pulling performance of the conductive wire 1 and the heating wire, the inside of the reinforcing rib 10 is provided with a cavity 11 of cross structure, the design of the cavity 11 facilitates the bending of the reinforcing rib 10, so as to facilitate the laying of the heating wire, and a circular groove 12 is arranged in the middle of the cavity 11, and the design of the circular groove 12 facilitates the deformation of the heating wire to a certain extent without damage when the heating wire is pressed, so as to ensure the stability of the heating wire during use.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A high-thermal-conductivity woven mesh heating wire comprising an electrically conductive wire (1), characterized in that: The outer side of the conductive wire (1) is provided with an insulating sleeve (2), the outer wall of the insulating sleeve (2) is surrounded by a plurality of mounting grooves (3), the inside of the mounting groove (3) is provided with a heating wire (4), the outer side of the insulating sleeve (2) is provided with a braided outer layer (5), and the braided outer layer (5) is arranged outside the plurality of heating wires (4), the inside wall of the mounting groove (3) is provided with a first deformation groove (6), the inside of the insulating sleeve (2) is provided with a plurality of second deformation grooves (7), and the plurality of second deformation grooves (7) are respectively arranged with the plurality of first deformation grooves (6), the groove bottom of the mounting groove (3) is provided with a plurality of conductive wires (8), and one end of the conductive wire (8) extends to the inside of the insulating sleeve (2), one end of the conductive wire (8) is attached to the outer wall of the conductive wire (1), and the inside wall of the insulating sleeve (2) is fixedly provided with a plurality of protrusions (9), and the plurality of protrusions (9) are respectively arranged with the plurality of conductive wires (8).

2. The high-thermal-conductivity woven mesh heating wire according to claim 1, characterized in that: The conductive wire (1) is provided as a hollow structure, and the inside of the conductive wire (1) is provided with a reinforcing rib (10).

3. The high-thermal-conductivity woven mesh heating wire according to claim 2, characterized in that: The middle part of the reinforcing rib (10) is provided with a cavity (11), and the cavity (11) is provided as a cross structure.

4. The high-thermal-conductivity woven mesh heating wire according to claim 3, characterized in that: The middle part of the cavity (11) is provided with a circular groove (12).

5. The high-thermal-conductivity woven mesh heating wire according to claim 4, characterized in that: The insulating sleeve (2) is provided as a silicone rubber sleeve.

6. The high-thermal-conductivity woven mesh heating wire according to claim 5, characterized in that: The heating wire (4) is provided as a carbon fiber heating wire, and the braided outer layer (5) is woven by flame-retardant nylon wire.

Citation Information

Patent Citations

  • Ground connection formula copper mesh grid carbon fiber heating wire cable

    CN205648035U