Silicon carbide energy-saving resistance wire
The silicon carbide resistance wire, with its multi-layer structure design, solves the problems of fragility, easy breakage, and high cost, achieving energy saving and protection effects, and reducing the risk of damage and replacement costs of the resistance wire.
Patent Information
- Application Number
- CN202520556195.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Silicon carbide resistance wires are fragile and easily broken, complex to manufacture and costly, and lack effective protective structures, resulting in high replacement costs.
It adopts a multi-layer structure design, including a substrate, a filler layer, a conductive layer, an inner sheath, and an outer sheath. Combining different materials forms a parallel structure to reduce the resistance value and provide protection. The electrode head is used for connection.
This achieves energy-saving effects for the resistance wire, improves heat dissipation and mechanical protection, reduces the risk of damage to the resistance wire, and lowers replacement costs.
Smart Images

Figure CN223786206U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to resistance wire technical field especially, relates to a silicon carbide energy -conserving type's resistance wire. BACKGROUND
[0002] The silicon carbide resistance wire is a kind of heating element made of silicon carbide material, with excellent characteristics such as high temperature resistance, oxidation resistance, corrosion resistance, it is widely used in high temperature heating equipment, such as industrial furnace, semiconductor manufacturing, ceramic sintering etc.
[0003] However, the silicon carbide resistance wire is fragile, easy to break, directly exposed to the outside very easy to damage, due to complex manufacturing process, material cost is higher, lead to the cost of replacement after damage is high, therefore, need a kind of silicon carbide resistance wire with protective structure. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art, and provides a silicon carbide energy -conserving type's resistance wire.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A kind of silicon carbide energy -conserving type's resistance wire, including resistance wire body, the resistance wire body includes multiple matrix, filling layer is equipped between every two matrix, the circumference outside of matrix and filling layer is equipped with same conductive layer, the outside of conductive layer is provided with inner protective layer, the outside of inner protective layer is provided with outer protective layer, and the both ends of outer protective layer are provided with electrode head.
[0007] As a further scheme of the utility model, the matrix is silicon carbide layer.
[0008] As a further scheme of the utility model, the filling layer is crystalline magnesium oxide powder layer.
[0009] As a further scheme of the utility model, the conductive layer is one of graphite layer and graphene layer.
[0010] As a further scheme of the utility model, the inner protective layer is one of aluminum nitride layer and aluminum oxide layer.
[0011] As a further scheme of the utility model, the outer protective layer is one of ceramic fiber sleeve, aluminum oxide ceramic sleeve, silicon nitride ceramic sleeve and metal alloy sleeve.
[0012] As a further scheme of the utility model, the electrode head is copper electrode or nickel electrode, and the electrode head includes lead-out end.
[0013] The utility model has the advantages that:
[0014] 1. The utility model discloses a filling layer between multiple substrates and a conductive layer, so that the multiple substrates form a parallel structure, thereby reducing the total resistance value and achieving energy saving effect.
[0015] 2. The utility model discloses a filling layer, a conductive layer and an inner protective layer, so that the resistance has good heat dissipation effect and can ensure normal use of the resistance.
[0016] 3. The utility model discloses an outer protective layer, so that the device has good protection effect, can avoid mechanical impact and improve protection ability, and the inner protective layer can play a double protection role. DRAWINGS
[0017] Fig. 1 A three-dimensional structure schematic diagram of the silicon carbide energy-saving resistance wire is provided.
[0018] Fig. 2 A partial sectional structure schematic diagram of the silicon carbide energy-saving resistance wire is provided.
[0019] Fig. 3 An exploded structure schematic diagram of the silicon carbide energy-saving resistance wire is provided.
[0020] In the figure: 1, resistance wire body; 2, substrate; 3, filling layer; 4, conductive layer; 5, inner protective layer; 6, outer protective layer; 7, electrode head. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. The described embodiments are only a 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 those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0022] REFERENCE Figs. 1-3 A silicon carbide energy-saving resistance wire includes a resistance wire body 1, the resistance wire body 1 includes multiple substrates 2, a filling layer 3 is arranged between every two substrates 2, and an outer side of the circumference of the substrate 2 and the filling layer 3 is provided with a same conductive layer 4. The substrate 2 is a silicon carbide layer, the filling layer 3 is a crystalline magnesium oxide powder layer, has high-efficiency heat dissipation and insulation effect; the conductive layer 4 is one of a graphite layer and a graphene layer, has high-efficiency heat dissipation and conductive effect, can support the sleeve in the form of the graphite layer and the graphene layer on the outer side of the circumference of the substrate 2 and the filling layer 3, so that the multiple substrates 2 form a parallel structure, thereby reducing the total resistance value and achieving energy saving effect.
[0023] The outer side of the conductive layer 4 is provided with an inner protective layer 5, which is one of an aluminum nitride layer or an aluminum oxide layer. Both the aluminum nitride and the aluminum oxide have the effects of high-efficiency heat dissipation and insulation, so that the electric power can be insulated and the heat dissipation can be accelerated. The inner protective layer 5 is in a tubular form and is sleeved outside the conductive layer 4, thereby playing a protective role.
[0024] The outer side of the inner protective layer 5 is provided with an outer protective layer 6, which is one of a ceramic fiber sleeve, an aluminum oxide ceramic sleeve and a silicon nitride ceramic sleeve. The above-mentioned materials all have good heat dissipation and insulation, can avoid mechanical impact and improve the protection capability, and can avoid the effect that the base body 2 is easily broken.
[0025] The two ends of the outer protective layer 6 are sealingly provided with electrode heads 7 in a way of thermal spraying or welding. The electrode heads 7 are copper electrodes or nickel electrodes, and the electrode heads 7 include lead-out ends for being connected to an electric circuit.
[0026] Working principle: When the resistance wire is installed, the whole resistance wire has the effect of impact resistance due to the existence of the outer protective layer 6, so as to avoid being damaged by falling, and can be double-protected together with the inner protective layer 5.
[0027] Finally, it should be noted that the skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A silicon carbide energy-saving resistance wire comprising a resistance wire body (1), characterized in that, The resistance wire body (1) comprises a plurality of substrates (2), a filling layer (3) is arranged between every two substrates (2), the circumferential outer side of the substrate (2) and the filling layer (3) is provided with the same conductive layer (4), the outer side of the conductive layer (4) is provided with an inner protective layer (5), the outer side of the inner protective layer (5) is provided with an outer protective layer (6), and the two ends of the outer protective layer (6) are provided with electrode heads (7).
2. The silicon carbide energy saving type electric resistance wire according to claim 1, wherein The substrate (2) is a silicon carbide layer.
3. The silicon carbide energy saving resistance wire according to claim 1, wherein The filling layer (3) is a crystalline magnesium oxide powder layer.
4. The silicon carbide energy-saving resistance wire according to claim 1, wherein The conductive layer (4) is one of a graphite layer and a graphene layer.
5. The silicon carbide energy-saving resistance wire according to claim 1, wherein The inner protective layer (5) is one of an aluminum nitride layer and an aluminum oxide layer.
6. The silicon carbide energy-saving resistance wire according to claim 1, wherein The outer protective layer (6) is one of a ceramic fiber sleeve, an aluminum oxide ceramic sleeve, a silicon nitride ceramic sleeve and a metal alloy sleeve.
7. The silicon carbide energy-saving resistance wire according to claim 1, wherein The electrode head (7) is a copper electrode or a nickel electrode, and the electrode head (7) comprises a lead-out end.