High-frequency electromagnetic induction heating wire

By introducing water-cooled structure and fastening screw sleeve connections into the high-frequency electromagnetic induction heating wire, the problem of overheating of the coil is solved, temperature control and connection stability are achieved, and the working stability and installation and maintenance of the heating wire are improved.

CN223274239UActive Publication Date: 2025-08-26HUAYI CABLE ACCESSORIES CO LTD
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Patent Information

Application Number
CN202422570011.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-08-26
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

The existing high-frequency electromagnetic induction heating wire lacks a water-cooled structure, which causes the coil temperature to rise rapidly, performance to decline or damage, and the heating process cannot be effectively controlled.

Method used

The water-cooled structure is introduced into the heating line pipe body, connected to the cooling water system through the water inlet and outlet joints, heat is taken away by the water pipe through holes, and connection stability is improved through the fastening screw sleeve, spring and threaded connection.

Benefits of technology

Effectively take away heat and keep the coil temperature within the appropriate range, improves the working stability and connection reliability of the heating wire, and simplifies the installation and maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a high-frequency electromagnetic induction heating wire. The technical problem to be solved by the utility model is to provide a high-frequency electromagnetic induction heating wire with a water cooling structure. According to the technical scheme, the water heater comprises a heating wire pipe body assembly, a water inlet connector, a water outlet connector and a fastening threaded sleeve, the heating wire pipe body assembly comprises a water pipe, a heating wire butt joint and a heating wire, a water pipe through hole is formed in the water pipe, the heating wire butt joint comprises a butt joint cylinder and a butt joint boss, and the butt joint cylinder is connected with the water pipe through hole. A butt joint through hole is formed in the heating wire butt joint, the heating wire is arranged in the water pipe through hole in a penetrating mode, and the two ends of the heating wire are welded in the butt joint cylinder. Compared with the prior art, the water cooling structure is introduced into the heating wire pipe body, the water pipe through hole is formed in the water pipe, and the water inlet connector and the water outlet connector are connected with a cooling water system, so that heat can be continuously and effectively taken away, overheating of the heating wire is avoided, and the working stability of the heating wire is improved.
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Description

Technical Field

[0001] The utility model relates to a high-frequency electromagnetic induction heating wire. Background Art

[0002] High-frequency electromagnetic induction heating wires are widely used in cable processing scenarios, using the principle of electromagnetic induction to rapidly heat cables. Existing high-frequency electromagnetic induction heating wires lack water cooling. During the induction heating process, high-frequency currents flow through the coils, generating significant heat and rapidly increasing coil temperatures. This can lead to uneven electromagnetic field distribution or unstable temperatures, resulting in performance degradation or even damage to the wires. This also hinders effective control of the heating wires, leading to improvements and optimizations. Utility Model Content

[0003] In order to solve the above problems, the technical problem to be solved by the present invention is to provide a high-frequency electromagnetic induction heating wire with a water-cooling structure.

[0004] The technical solution adopted by the utility model high-frequency electromagnetic induction heating wire: It is characterized in that it includes a heating wire tube body assembly, a water inlet joint and a water outlet joint respectively arranged at both ends of the heating wire tube body assembly, and a fastening screw sleeve, the heating wire tube body assembly includes a water pipe, a heating wire joint arranged at both ends of the water pipe, and a heating wire, a water pipe through-hole is provided in the water pipe, the heating wire joint includes a joint cylinder with an interference fit with the water pipe through-hole and a joint boss arranged at the outer end of the joint cylinder, a joint through-hole is provided in the heating wire joint, the heating wire is passed through the water pipe through-hole and its two ends are welded in the joint cylinder, the fastening screw sleeve is provided with a screw sleeve end stop and a screw sleeve fastening groove, the screw sleeve end stop is provided with an end stop through-hole for the penetration of the joint cylinder, and the screw sleeve fastening groove is provided with a joint positioning groove for positioning the joint boss near the screw sleeve end stop;

[0005] The water inlet joint and the water outlet joint both include a joint cylinder and a joint mounting flange arranged in the middle of the joint cylinder. A water hole is provided in the joint cylinder. The front end of the joint cylinder is provided with a joint threaded portion threadedly connected to the screw sleeve fastening groove and a joint plug-in portion inserted into the joint through hole.

[0006] The butt joint cylinder is provided with butt joint anti-retraction clamping bosses arranged at intervals.

[0007] The joint inserting portion is provided with a sealing ring installation groove for limiting the sealing ring.

[0008] The outer wall of the joint cylinder is provided with a cylinder welding opening for facilitating the penetration of welding equipment.

[0009] A heating wire positioning groove for positioning the heating wire during welding is provided on the inner wall of the butt joint through hole below the barrel welding opening.

[0010] The butt joint cylinder is provided with a cylinder clamping groove near the butt joint boss, and both ends of the water pipe are also sleeved with a clamping spring that is clamped outside the water pipe and corresponds to the cylinder clamping groove.

[0011] The advantages of the high-frequency electromagnetic induction heating wire of the utility model are: by introducing a water cooling structure into the heating wire tube body, a water pipe through-hole is provided inside the water pipe, and the water inlet joint and the water outlet joint are connected to the cooling water system, which can continuously and effectively take away heat, avoid overheating of the heating wire, keep the coil temperature within an appropriate range, and improve the working stability of the heating wire; by adding a fastening screw sleeve, a retaining spring and a threaded connection structure, the connection between the heating wire and the water inlet joint and the water outlet joint is more stable and reliable, and the installation and maintenance process is also simplified. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0013] Figure 1 This is a structural diagram of the high-frequency electromagnetic induction heating wire of the utility model;

[0014] Figure 2 This is a partial cross-sectional view of the heating wire tube assembly of the utility model;

[0015] Figure 3 This is a structural diagram of the heating wire joint of the utility model;

[0016] Figure 4 This is a structural diagram of the water inlet joint of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the fastening screw sleeve of the utility model. DETAILED DESCRIPTION

[0018] like Figure 1-5As shown, the high-frequency electromagnetic induction heating wire involved in the utility model includes a heating wire tube body component 1, a water inlet joint 2 and a water outlet joint 3 respectively arranged at both ends of the heating wire tube body component 1, and a fastening screw sleeve 4. The heating wire tube body component 1 includes a water pipe 7, a heating wire joint 8 and a heating wire 9 arranged at both ends of the water pipe 7. A water pipe through hole 10 is provided in the water pipe 7. The heating wire joint 8 includes a joint cylinder 11 that is interference fit with the water pipe through hole 10 and a joint boss 12 arranged at the outer end of the joint cylinder 11. A joint through hole 13 is provided in the heating wire joint 8. The heating wire 9 is passed through the water pipe through hole 10 and its two ends are welded in the joint cylinder 11. The fastening screw sleeve 4 is provided with a screw sleeve end stop 15 and a screw sleeve fastening groove 16. The screw sleeve end stop 15 is provided with an end stop through hole 17 for the joint cylinder 11 to pass through. The groove 16 is provided with a docking joint positioning groove 18 for positioning the docking joint boss 12 near the end stop 15 of the screw sleeve; the water inlet joint 2 and the water outlet joint 3 both include a joint cylinder 20 and a joint mounting flange 21 provided in the middle of the joint cylinder 20, and a water hole 25 is provided in the joint cylinder 20. The front end of the joint cylinder 20 is provided with a joint threaded portion 22 threadedly connected to the screw sleeve fastening groove 16 and a joint plug-in portion 23 inserted into the docking joint through hole 13. By introducing a water cooling structure into the heating wire tube body, the water inlet joint 2 and the water outlet joint 3 are connected to the cooling water system, which can continuously and effectively take away heat, avoid overheating of the heating wire 9, keep the coil temperature within an appropriate range, and improve the working stability of the heating wire; by adding a fastening screw sleeve and a threaded connection structure, the connection between the heating wire and the water inlet joint and the water outlet joint is more stable and reliable, and the installation and maintenance process is also simplified.

[0019] The heating wire 9 is made of multiple thin conductors that are insulated from each other and twisted together. It can reduce the skin effect and eddy current generation of high-frequency current and has good flexibility, making it easy to wrap around the heated object. The water pipe 7 is also easy to wrap around the heated object due to its good flexibility.

[0020] The butt joint cylinder 11 is provided with butt joint anti-retraction clamping bosses 26 arranged at intervals, so that the heating wire butt joint 8 is installed more firmly on the end of the water pipe 7 and effectively prevents it from falling off.

[0021] The joint inserting portion 23 is provided with a sealing ring mounting groove 27 for limiting the sealing ring, which has a stronger sealing performance and can prevent cooling water leakage.

[0022] The outer wall of the joint cylinder 11 is provided with a cylinder welding port 28 for the convenient insertion of welding equipment, thereby facilitating welding of the heating wire 9 and improving welding efficiency and quality.

[0023] A heating wire positioning groove 29 is provided on the inner wall of the joint through hole 13 below the barrel welding opening 28 for positioning the heating wire 9 during welding, thereby further improving welding firmness and increasing the service life of the heating wire tube assembly 1 .

[0024] The butt joint cylinder 11 is provided with a cylinder clamping groove 30 near the butt joint boss 12, and both ends of the water pipe 7 are also provided with a retaining spring 5 that is clamped to the outside of the water pipe 7 and corresponds to the cylinder clamping groove 30. The retaining spring 5 further strengthens the connection tightness, making the docking more reliable.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention are included in the scope of protection of the present invention.

Claims

1. A high-frequency electromagnetic induction heating wire, characterized in that: The invention comprises a heating wire tube assembly (1), a water inlet joint (2) and a water outlet joint (3) respectively arranged at both ends of the heating wire tube assembly (1), and a fastening screw sleeve (4); the heating wire tube assembly (1) comprises a water pipe (7), a heating wire butt joint (8) arranged at both ends of the water pipe (7), and a heating wire (9); a water pipe through hole (10) is provided in the water pipe (7); the heating wire butt joint (8) comprises a butt joint cylinder (11) interference-fitted with the water pipe through hole (10) and a butt joint boss (12) arranged at the outer end of the butt joint cylinder (11); The heating wire joint (8) is provided with a joint through hole (13), the heating wire (9) is passed through the water pipe through hole (10) and its two ends are welded in the joint barrel (11), the fastening screw sleeve (4) is provided with a screw sleeve end stop portion (15) and a screw sleeve fastening groove (16), the screw sleeve end stop portion (15) is provided with an end stop portion through hole (17) for passing the joint barrel (11), and the screw sleeve fastening groove (16) is provided with a joint positioning groove (18) for positioning the joint boss (12) near the screw sleeve end stop portion (15); The water inlet joint (2) and the water outlet joint (3) each comprise a joint barrel (20) and a joint mounting flange (21) provided in the middle of the joint barrel (20); a water discharge hole (25) is provided in the joint barrel (20); a joint threaded portion (22) threadedly connected to the screw sleeve fastening groove (16) and a joint butt joint portion (23) inserted into the butt joint through hole (13) are provided at the front end of the joint barrel (20).

2. The high-frequency electromagnetic induction heating wire according to claim 1, characterized in that: The butt joint cylinder (11) is provided with butt joint anti-retraction clamping bosses (26) arranged at intervals.

3. The high-frequency electromagnetic induction heating wire according to claim 1, characterized in that: The joint inserting portion (23) is provided with a sealing ring mounting groove (27) for limiting the position of the sealing ring.

4. The high-frequency electromagnetic induction heating wire according to claim 1, characterized in that: The outer wall of the butt joint cylinder (11) is provided with a cylinder welding opening (28) for facilitating the insertion of welding equipment.

5. The high-frequency electromagnetic induction heating wire according to claim 4, characterized in that: A heating wire positioning groove (29) for positioning the heating wire (9) during welding is provided on the inner wall of the butt joint through hole (13) below the cylinder welding opening (28).

6. The high-frequency electromagnetic induction heating wire according to claim 1, characterized in that: The butt joint cylinder (11) is provided with a cylinder clamping groove (30) near the butt joint boss (12), and both ends of the water pipe (7) are also provided with a clamping spring (5) clamped outside the water pipe (7) and corresponding to the cylinder clamping groove (30).