Insulated heating wire

Abstract

The utility model relates to the technical field of heating wires, in particular to an insulating heating wire, which comprises a stranded wire, a ceramic protection particle is sleeved on a wire body of the stranded wire, two ceramic limiting particles are sleeved on the wire body of the stranded wire, the two ceramic limiting particles limit the ceramic protection particle, and metal sleeves are fixedly sleeved at two ends of the stranded wire. A first connector and a second connector are fixed to the surfaces of the two metal sleeves respectively. The beneficial effects are that the ceramic protection particles are sleeved on the stranded wire, and reliable insulation protection is provided for the stranded wire. And the ceramic material has excellent insulating property and high temperature resistance, so that the phenomenon of electric leakage between the stranded wire and the external environment in the heating process can be effectively prevented, and the use safety of the heating wire is improved. And meanwhile, the plurality of ceramic protection particles are uniformly distributed on the stranded wire, so that the insulation effect is further enhanced, and the stable operation of the wire in various complex environments is ensured.

Description

Technical Field

[0001] This utility model relates to the field of heating wire technology, specifically to insulated heating wires. Background Technology

[0002] Heating equipment is widely used in many industrial and civil sectors, such as industrial drying and household heating. As a core component of heating equipment, the performance and reliability of the heating wire directly affect the overall effectiveness and lifespan of the heating system.

[0003] Traditional heating wires typically have some shortcomings. Firstly, during the heating process, the wire expands and deforms due to the increased temperature. Without effective protective measures, this can easily damage the wire insulation, leading to safety hazards such as short circuits and leakage. Secondly, bending is unavoidable during installation and use. If the wire structure is not properly designed, bending can easily damage the internal core material, affecting the wire's conductivity and lifespan. Utility Model Content

[0004] The purpose of this invention is to provide an insulated heating wire to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an insulated heating wire, including a stranded wire, wherein a ceramic protective particle is sleeved on the stranded wire body, and two ceramic limiting particles are sleeved on the stranded wire body, the two ceramic limiting particles limiting the ceramic protective particle, and metal sleeves are fixedly sleeved at both ends of the stranded wire, and connector one and connector two are fixedly fixed on the surface of the two metal sleeves respectively.

[0006] Preferably, there are multiple ceramic protective particles, which are located between two ceramic limiting particles. A rubber support block is fixed on the side of the ceramic limiting particle close to the ceramic protective particle. The rubber support block is in the form of a ring block and is sleeved on the strand of the stranded wire. The rubber support block is sandwiched between the ceramic protective particle and the ceramic limiting particle.

[0007] Preferably, the inner ring surface of the ceramic positioning particle is provided with an inner ring groove, and a rubber ring is fixed inside the inner ring groove. The inner ring diameter of the rubber ring is smaller than the inner ring diameter of the ceramic positioning particle, and the outer ring surface of the rubber ring is provided with a notch, which is an annular groove.

[0008] Preferably, the outer ring surface of the ceramic limiting particle is provided with an outer ring groove, the outer ring groove is annular, and two screw holes are provided on the surface of the outer ring groove, with clamping screws screwed into the inside of the screw holes.

[0009] Preferably, the first connector has an "L"-shaped plate structure, and both the first and second connectors have perforations on their surfaces.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] The insulated heating conductor proposed in this invention provides reliable insulation protection for the stranded wire by incorporating ceramic protective particles. Ceramic materials possess excellent insulation and high-temperature resistance, effectively preventing leakage between the stranded wire and the external environment during heating, thus improving the safety of the heating conductor. Simultaneously, multiple ceramic protective particles are evenly distributed on the stranded wire, further enhancing the insulation effect and ensuring stable operation of the conductor in various complex environments. Two ceramic limiting particles are used to limit the position of the multiple ceramic protective particles, ensuring the stability of their position on the stranded wire. During conductor installation and use, the ceramic limiting particles prevent displacement of the ceramic protective particles, thereby ensuring the effectiveness of insulation protection. Furthermore, a rubber support block is fixed to the side of the ceramic limiting particle near the ceramic protective particle. When the stranded wire is bent, the rubber support block acts as an elastic deformation space between the ceramic protective particle and the ceramic limiting particle, buffering the stress generated during bending and preventing damage to the ceramic protective particle and the stranded wire due to excessive pressure, thereby extending the service life of the conductor. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a top view of the structure of this utility model;

[0014] Figure 3 for Figure 2 Sectional view of the structure at point AA;

[0015] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0016] In the diagram: 1. Stranded wire; 2. Ceramic protective bead; 3. Ceramic limiting bead; 4. Inner ring groove; 5. Outer ring groove; 6. Rubber ring; 7. Screw hole; 8. Clamping screw; 9. Metal sleeve; 10. Connector 1; 11. Connector 2; 12. Through hole; 13. Rubber support block. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0018] Please see Figures 1 to 4This utility model provides a technical solution: an insulated heating wire, including a stranded wire 1, with ceramic protective particles 2 sleeved on the wire body of the stranded wire 1, and two ceramic limiting particles 3 sleeved on the wire body of the stranded wire 1, the two ceramic limiting particles 3 limiting the ceramic protective particles 2. Multiple ceramic protective particles 2 are provided, and the multiple ceramic protective particles 2 are located between two ceramic limiting particles 3. A rubber support block 13 is fixed to the side of the ceramic limiting particle 3 near the ceramic protective particles 2. The rubber support block 13 is a circular block, sleeved on the wire body of the stranded wire 1, and clamped between the ceramic protective particles 2 and the ceramic limiting particles 3; the ceramic limiting particles 2 are provided with multiple ceramic protective particles 2, and the multiple ceramic limiting particles 2 are located between two ceramic limiting particles 3. The inner ring surface of the ceramic positioning particle 3 has an inner ring groove 4, and a rubber ring 6 is fixed inside the inner ring groove 4. The inner ring diameter of the rubber ring 6 is smaller than the inner ring diameter of the ceramic positioning particle 3. The outer ring surface of the rubber ring 6 has a notch, which is an annular groove. The outer ring surface of the ceramic positioning particle 3 has an outer ring groove 5, which is an annular groove. Two screw holes 7 are opened on the surface of the outer ring groove 5, and a clamping screw 8 is screwed into the screw holes 7. Among them, the stranded wire 1 is 18 or 20 strands of pure nickel core material, with a length of 12 to 13 cm. The ceramic protective particles 2 are 16 or 17, hollow, with an inner diameter of 0.3-0.4 cm and an outer diameter of 0.7-0.85 cm.

[0019] First, multiple ceramic protective particles 2 are fitted onto the stranded wire 1. Then, ceramic limiting particles 3 are fitted onto both ends of the stranded wire 1. The ceramic limiting particles 3 are pushed so that the rubber support block 13 rests against one side of the ceramic protective particles 2. Then, the clamping screw 8 is screwed on, and the clamping screw 8 tightly clamps the stranded wire 1, thereby braking the ceramic limiting particles 3. The metal sleeve 9 is isolated between the stranded wire 1 and the clamping screw 8 to prevent transmission between the stranded wire 1 and the clamping screw 8. The two ceramic limiting particles 3 limit the multiple ceramic protective particles 2. When the stranded wire 1 bends, the rubber support block 13 serves as an elastic deformation space between the ceramic protective particles 2 and the ceramic limiting particles 3. During use, the ceramic limiting particles 3 can also be left un-braked and adjusted according to the usage requirements.

[0020] Both ends of the stranded wire 1 are fitted with metal sleeves 9. Connector 1 10 and connector 2 11 are fixed on the surface of the two metal sleeves 9 respectively. Connector 1 10 has an "L" shaped plate structure. Both connector 10 and connector 2 11 have through holes 12 on their surfaces. Connector 2 11 and connector 1 10 are used to connect to the power supply structure on the machine.

[0021] Instructions for using the insulated heating wire: Place multiple ceramic protective beads 2 onto the stranded wire 1, ensuring even distribution. Place a ceramic limiting bead 3 at each end of the stranded wire 1. Push the ceramic limiting bead 3 so that the rubber support block 13 rests against one side of the ceramic protective bead 2. At this point, the multiple ceramic protective beads 2 are positioned between the two ceramic limiting beads 3. If braking of the ceramic limiting bead 3 is required, tighten the clamping screw 8 to firmly clamp the stranded wire 1, thus braking the ceramic limiting bead 3. During this process, the metal sleeve 9 isolates the stranded wire 1 and the clamping screw 8, preventing current conduction between them. If braking of the ceramic limiting bead 3 is not required, there is no need to tighten the clamping screw 8; the ceramic limiting bead 3 remains freely movable on the stranded wire 1, allowing for flexible adjustment according to usage requirements. Take the insulated heating wire to the vicinity of the machine to be used and prepare the machine's electrical connection structure that matches connector 10 and connector 11. Connect connector 10 and connector 21 to the electrical connection structure on the machine base, ensuring a secure connection so that current can flow smoothly through the insulated heating wire. The through holes 12 on the surfaces of connectors 10 and 21 can be used for auxiliary connections, such as using bolts or other fasteners to pass through the through holes 12 for fixation.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An insulated heating conductor comprising a strand (1), characterized in that: The stranded wire (1) is fitted with a ceramic protective particle (2), and two ceramic limiting particles (3) are fitted on the stranded wire (1). The two ceramic limiting particles (3) limit the ceramic protective particle (2). Both ends of the stranded wire (1) are fitted with metal sleeves (9), and the surfaces of the two metal sleeves (9) are respectively fixed with connector one (10) and connector two (11).

2. The insulated heating wire according to claim 1, characterized in that: The ceramic protective particles (2) are provided in multiple ways. The multiple ceramic protective particles (2) are located between two ceramic limiting particles (3). A rubber support block (13) is fixed on the side of the ceramic limiting particle (3) close to the ceramic protective particle (2). The rubber support block (13) is in the shape of a ring block. The rubber support block (13) is sleeved on the wire body of the stranded wire (1) and is held between the ceramic protective particle (2) and the ceramic limiting particle (3).

3. The insulated heating wire according to claim 1, characterized in that: The inner ring surface of the ceramic limiting particle (3) is provided with an inner ring groove (4), and a rubber ring (6) is fixed inside the inner ring groove (4). The inner ring diameter of the rubber ring (6) is smaller than the inner ring diameter of the ceramic limiting particle (3). The outer ring surface of the rubber ring (6) is provided with a notch, which is an annular groove.

4. The insulated heating wire according to claim 3, characterized in that: The outer ring surface of the ceramic limiting particle (3) is provided with an outer ring groove (5), which is an annular groove. Two screw holes (7) are provided on the surface of the outer ring groove (5), and a clamping screw (8) is screwed into the inside of the screw hole (7).

5. The insulated heating wire according to claim 1, characterized in that: The first connector (10) has an "L" shaped plate structure, and both the first connector (10) and the second connector (11) have perforations (12) on their surfaces.

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