High-temperature-resistant resistance wire
By forming a multi-layer high-temperature resistant structure on the outside of the resistance wire, the problem of easy deterioration of the resistance wire in high-temperature environment is solved, thereby improving the high-temperature resistance performance and extending the service life.
Patent Information
- Application Number
- CN202423300284.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing resistance wires are prone to deterioration in high-temperature environments, leading to shortened product lifespan and reduced safety.
It adopts a multi-layer structure design, including an insulation layer on the outside of the resistance wire, a first high-temperature resistant layer, a second high-temperature resistant layer, and a wear-resistant tungsten carbide layer. The materials used are carbon fiber, graphite, or silicon carbide. The resistance wire is made of chromium-nickel alloy or copper-manganese alloy and is formed by extrusion process. The resistance wire body is wound around the support rod.
This improves the high-temperature resistance and service life of the resistance wire, ensuring normal operation in high-temperature environments.
Smart Images
Figure CN223857940U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to resistance wire technical field especially relates to a high temperature resistance resistance wire. BACKGROUND
[0002] Resistance wire is a kind of slender filamentary metal conductor made of specific material, and its resistivity is higher, mainly used to limit current or generate heat.
[0003] Resistance wire is the key component of many electronic devices, and its main function is to convert electrical energy into heat energy, but the existing resistance wire general heat resistance, in high-temperature environment is easy to deteriorate, even burn out, leading to product life shortening and safety decline. INVENTION CONTENTS
[0004] The utility model aims at solving the shortcomings in prior art, and proposes a high temperature resistance resistance wire.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A kind of high temperature resistance resistance wire, including resistance wire body and support rod, the resistance wire body includes resistance wire, the outside of the resistance wire is formed with insulating layer by the process of extrusion, the outside of insulating layer is formed with first high temperature resistance layer by the process of extrusion, the outside of first high temperature resistance layer is formed with second high temperature resistance layer by the process of extrusion, the outside of second high temperature resistance layer is coated with wear-resistant tungsten carbide layer.
[0007] As a further scheme of the utility model, the material of the first high temperature resistance layer and the second high temperature resistance layer is any one of carbon fiber, graphite and silicon carbide.
[0008] As a further scheme of the utility model, the material of the resistance wire is any one of chromium-nickel alloy and copper-manganese alloy.
[0009] As a further scheme of the utility model, the both ends of the resistance wire body are integrally formed with copper sheet, and the side of the copper sheet is provided with mounting hole.
[0010] As a further scheme of the utility model, the resistance wire body is wound on the outside of support rod, so that the support rod supports the resistance wire body.
[0011] The utility model has the advantages that:
[0012] 1. By the cooperation of the first high temperature resistance layer and the second high temperature resistance layer, the first high temperature resistance layer and the second high temperature resistance layer are arranged on the outside of the resistance wire, so that the high temperature resistance of the resistance wire can be improved, the normal work of the resistance wire in high temperature environment is ensured, and the use effect of the resistance wire is improved.
[0013] 2. By setting the wear-resistant tungsten carbide layer, the tungsten carbide powder is coated on the outer side of the second high-temperature-resistant layer to form the wear-resistant tungsten carbide layer, so that the wear resistance of the resistance wire can be improved, and the service life of the resistance wire is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 A three-dimensional structure schematic diagram of the high-temperature-resistant resistance wire is provided for the utility model;
[0015] Fig. 2 A partial sectional structure schematic diagram of the high-temperature-resistant resistance wire is provided for the utility model;
[0016] Fig. 3 An A part enlarged structure schematic diagram of the high-temperature-resistant resistance wire is provided for the utility model.
[0017] In the drawing: 1, mounting hole; 2, copper sheet; 3, resistance wire body; 4, support rod; 5, resistance wire; 6, insulating layer; 7, first high-temperature-resistant layer; 8, second high-temperature-resistant layer; 9, wear-resistant tungsten carbide layer. DETAILED DESCRIPTION
[0018] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence, so that the embodiments of the present application described herein, based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor shall belong to the scope of protection of the present application. Example one
[0019] Reference Figs. 1-3The utility model discloses a high temperature resistance resistance wire, including resistance wire body 3 and support rod 4, resistance wire body 3 includes resistance wire 5, the outside of resistance wire 5 is formed with insulating layer 6 through the process of extruding, the outside of insulating layer 6 is formed with first high temperature resistance layer 7 through the process of extruding, the outside of first high temperature resistance layer 7 is formed with second high temperature resistance layer 8 through the process of extruding, the outside of second high temperature resistance layer 8 is coated with wear -resistant tungsten carbide layer 9, the material of first high temperature resistance layer 7 and second high temperature resistance layer 8 is carbon fibre in the embodiment, the material of resistance wire 5 is chromium nickel alloy, forms resistance wire 5 through the process of extruding to chromium nickel alloy, then forms insulating layer 6 on the outside of resistance wire 5 through the process of extruding to ceramic powder, then forms first high temperature resistance layer 7 on the outside of insulating layer 6 through the process of extruding to carbon fibre, then forms second high temperature resistance layer 8 on the outside of first high temperature resistance layer 7 through the process of extruding to carbon fibre, then forms wear -resistant tungsten carbide layer 9 on the outside of second high temperature resistance layer 8 to be coated with tungsten carbide powder, to make resistance wire body 3, and carbon fibre has good heat resistance, can improve the high temperature resistance of resistance wire, guarantees that resistance wire carries out normal work in the environment of higher temperature, improves the use effect of resistance wire.
[0020] In the utility model, the both ends of the resistance wire body 3 are integrally formed with copper sheets 2, one side of the copper sheet 2 is provided with a mounting hole 1, and the resistance wire body 3 is wound on the outside of the support rod 4, so that the support rod 4 supports the resistance wire body 3, the resistance wire body 3 is wound on the outside of the support rod 4, so that the support rod 4 supports the resistance wire body 3, and the resistance wire body 3 is not easily deformed.
[0021] Working principle: when it is needed to use, the chromium nickel alloy is formed into the resistance wire 5 through the process of extruding, then the ceramic powder is formed into the insulating layer 6 on the outside of the resistance wire 5 through the process of extruding, then the carbon fibre is formed into the first high temperature resistance layer 7 on the outside of the insulating layer 6 through the process of extruding, then the carbon fibre is formed into the second high temperature resistance layer 8 on the outside of the first high temperature resistance layer 7 through the process of extruding, then the tungsten carbide powder is coated on the outside of the second high temperature resistance layer 8 to form the wear -resistant tungsten carbide layer 9, so as to make the resistance wire body 3, and the carbon fibre has good heat resistance, so as to improve the high temperature resistance of the resistance wire, guarantee that the resistance wire carries out normal work in the environment of higher temperature, improves the use effect of the resistance wire. Embodiment two
[0022] Refer to Figs. 1-3 A high temperature resistance resistance wire, the difference between the embodiment and the above-mentioned embodiment is that the material of the first high temperature resistance layer 7 and the second high temperature resistance layer 8 is graphite, and the material of the resistance wire 5 is copper manganese alloy. Embodiment three
[0023] Refer to Figs. 1-3A high-temperature-resistant resistance wire, the difference between the embodiment and the above-mentioned embodiment is that the material of the first high-temperature-resistant layer 7 and the second high-temperature-resistant layer 8 is silicon carbide, and the material of the resistance wire 5 is copper-manganese alloy.
[0024] The utility model has been through the above embodiment has been explained, the field technician can understand that the utility model is not limited to the above embodiment, according to the teaching of the utility model still can make more kinds of modification, these modifications all fall within the range of the utility model claimed to protect, the protection scope of the utility model is defined by the attached claim and its equivalent range.
Claims
1. A high-temperature-resistant resistance wire comprising a resistance wire body (3) and a support rod (4), characterized in that, The resistance wire body (3) comprises a resistance wire (5), the outer side of the resistance wire (5) is formed with an insulating layer (6) through an extrusion process, the outer side of the insulating layer (6) is formed with a first high-temperature-resistant layer (7) through an extrusion process, the outer side of the first high-temperature-resistant layer (7) is formed with a second high-temperature-resistant layer (8) through an extrusion process, and the outer side of the second high-temperature-resistant layer (8) is coated with a wear-resistant tungsten carbide layer (9).
2. The high temperature resistant resistance wire according to claim 1, wherein, The material of the first high-temperature-resistant layer (7) and the second high-temperature-resistant layer (8) is any one of carbon fiber, graphite and silicon carbide.
3. The high temperature resistant resistance wire according to claim 1, wherein, The material of the resistance wire (5) is any one of chromium-nickel alloy and copper-manganese alloy.
4. The high temperature resistant resistance wire according to claim 1, wherein, Both ends of the resistance wire body (3) are integrally formed with copper sheets (2), and one side of the copper sheet (2) is provided with a mounting hole (1).
5. The high temperature resistant resistance wire according to claim 4, wherein, The resistance wire body (3) is wound and connected on the outer side of a supporting rod (4), so that the supporting rod (4) supports the resistance wire body (3).