Anti-corrosion resistance wire
By coating the resistance wire with polytetrafluoroethylene and epoxy resin, and combining it with a metal nitride transition layer, the corrosion problem of the resistance wire in corrosive environments is solved, achieving the stability and durability of the resistance wire, ensuring the normal operation of the equipment and the accuracy of experimental results.
Patent Information
- Application Number
- CN202423300101.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Ordinary resistance wires are easily corroded in corrosive environments, leading to performance degradation and safety hazards, which affects the normal operation of experimental equipment and the accuracy of experimental results.
It adopts a hexagonal spiral resistance wire, coated with polytetrafluoroethylene and epoxy resin, and a metal nitride transition layer is set between the protective coating and the resistance wire body to enhance the protection performance while maintaining the flexibility and heat dissipation performance of the resistance wire.
Maintaining the stability and durability of resistance wires in corrosive environments prevents malfunctions caused by corrosion, ensuring normal equipment operation and accurate experimental results.
Smart Images
Figure CN223842688U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of resistance wire technology, and more specifically to a corrosion-resistant resistance wire. Background Technology
[0002] Resistance wire is widely used as a common heating element in many industrial and scientific research fields.
[0003] However, in certain special environments, such as chemical laboratories, chemical plants, marine environments, or places containing corrosive media such as acids and alkalis, ordinary resistance wires often face serious corrosion problems. This can lead to a decline in the performance of the resistance wire, changes in its resistance value, and even potential safety hazards. For example, in chemical laboratories, experiments involving various acid, alkali, and salt solutions are frequently conducted. When ordinary resistance wires are exposed to gaseous or liquid environments containing corrosive substances, their metal surfaces will react chemically with the corrosive media, causing oxidation, dissolution, or other forms of damage to the resistance wire, thereby affecting the normal operation of experimental equipment and the accuracy of experimental results. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a corrosion-resistant resistance wire to solve the problems existing in the background art.
[0005] This utility model provides the following technical solution: a corrosion-resistant resistance wire, comprising a hexagonal spiral resistance wire, wherein the hexagonal spiral resistance wire comprises a resistance wire body and a second protective coating, the second protective coating being located on the outside of the resistance wire body, and a first protective coating being provided on the outside of the second protective coating, and the cross-section of the resistance wire body being hexagonal.
[0006] As a further embodiment of this utility model, the first protective coating is a polytetrafluoroethylene coating or a fluororubber coating, and the second protective coating is an epoxy resin coating.
[0007] As a further embodiment of this invention, the coating thickness of the polytetrafluoroethylene coating and the epoxy resin coating is 0.15-0.3 μm.
[0008] As a further embodiment of this invention, a transition coating is provided between the second protective coating and the resistance wire body.
[0009] As a further embodiment of this invention, the transition coating is a metal nitride layer.
[0010] As a further embodiment of this utility model, both ends of the hexagonal spiral resistance wire are welded with connecting pins, one end of the connecting pin is welded with a connecting copper plate, and the connecting copper plate has a connecting hole inside.
[0011] As a further embodiment of this utility model, it also includes a flat-angle spiral resistance wire, wherein the cross-section of the flat-angle spiral resistance wire is rectangular, and the spiral bending shape of the flat-angle spiral resistance wire is such that the lower flipped edge and the upper flipped edge alternately flipped.
[0012] The technical effects and advantages of this utility model are as follows:
[0013] This invention features a hexagonal cross-section for the resistance wire body, which can adapt to different usage scenarios and installation requirements. The resistance wire body also has a certain degree of flexibility, allowing it to be bent or deformed as needed, making it convenient for installation and use in devices or containers of different shapes.
[0014] This invention enables the hexagonal spiral resistance wire to operate continuously and stably without malfunctions caused by corrosion or changes in material properties through protective coating two and protective coating one.
[0015] The polytetrafluoroethylene coating and epoxy resin coating of this invention have a coating thickness of 0.15-0.3μm to provide sufficient protection without affecting the heat dissipation performance of the resistance wire. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural diagram of Embodiment 1 of the present utility model.
[0017] Figure 2 This is a partial cross-sectional view of Embodiment 1 of the present invention.
[0018] Figure 3 This is a three-dimensional structural diagram of Embodiment 2 of the present invention.
[0019] Figure 4 This is an enlarged structural diagram of part A in Embodiment 2 of this utility model.
[0020] The attached diagram is labeled as follows: 1. Connecting hole; 2. Connecting copper plate; 3. Connecting pin; 4. Hexagonal spiral resistance wire; 5. Resistance wire body; 6. Protective coating one; 7. Protective coating two; 8. Transition coating; 9. Flat-angle spiral resistance wire; 10. Lower flip edge; 11. Upper flip edge. Detailed Implementation
[0021] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. This utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Example 1
[0022] Reference Figures 1-2 This utility model provides a corrosion-resistant resistance wire, including a hexagonal spiral resistance wire 4. The hexagonal spiral resistance wire 4 includes a resistance wire body 5 and a second protective coating 7. The second protective coating 7 is located on the outside of the resistance wire body 5, and a first protective coating 6 is provided on the outside of the second protective coating 7. The cross-section of the resistance wire body 5 is hexagonal to adapt to different usage scenarios and installation requirements. The resistance wire body 5 has a certain degree of flexibility and can be bent or deformed as needed to facilitate installation and use in equipment or containers of different shapes. Through the second protective coating 7 and the first protective coating 6, the hexagonal spiral resistance wire 4 can work continuously and stably without failure caused by corrosion or changes in material properties.
[0023] In this invention, the protective coating 6 is a polytetrafluoroethylene coating or a fluororubber coating, and the protective coating 7 is an epoxy resin coating. The coating thickness of the polytetrafluoroethylene coating and the epoxy resin coating is 0.15-0.3μm to provide sufficient protective performance without affecting the heat dissipation performance of the resistance wire.
[0024] In this invention, a transition coating 8 is provided between the second protective coating 7 and the resistance wire body 5. The transition coating 8 is a metal nitride layer, such as the common titanium nitride (TiN) coating, which is used to enhance the bonding force between the second protective coating 7 and the resistance wire body 5 and prevent the coating from falling off. Both ends of the hexagonal spiral resistance wire 4 are welded with connecting pins 3. One end of the connecting pin 3 is welded with a connecting copper plate 2. The connecting copper plate 2 has a connecting hole 1 inside, which facilitates the quick installation and connection of the hexagonal spiral resistance wire 4.
[0025] The working principle of this utility model is as follows: the cross-section of the resistance wire body 5 is hexagonal to adapt to different usage scenarios and installation requirements. The resistance wire body 5 also has a certain degree of flexibility and can be bent or deformed as needed to facilitate installation and use in equipment or containers of different shapes. The protective coating 2 7 and the protective coating 1 6 provide sufficient protection for the hexagonal spiral resistance wire 4 without affecting the heat dissipation performance of the resistance wire, and enable the hexagonal spiral resistance wire 4 to work continuously and stably without failure due to corrosion or changes in material properties. Example 2
[0026] Reference Figures 3-4 This utility model provides a corrosion-resistant resistance wire, which also includes a flat-angle spiral resistance wire 9. The cross-section of the flat-angle spiral resistance wire 9 is rectangular. The spiral bending shape of the flat-angle spiral resistance wire 9 is that the lower flipped edge 10 and the upper flipped edge 11 are alternately flipped. Not only can the flat-angle spiral resistance wire 9 adapt to different application scenarios and installation requirements, but also because the lower flipped edge 10 and the upper flipped edge 11 are alternately flipped, the heat dissipation of the flat-angle spiral resistance wire 9 is mutually radiated, making it more energy-efficient during use.
[0027] Finally, the following points should be noted: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "linkage" should be interpreted broadly, and can be mechanical or electrical connection, or internal connection between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may change.
[0028] The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.
Claims
1. A corrosion-resistant resistance wire, comprising a hexagonal spiral resistance wire (4), characterized in that: The hexagonal spiral resistance wire (4) includes a resistance wire body (5) and a second protective coating (7). The second protective coating (7) is located on the outside of the resistance wire body (5). A first protective coating (6) is provided on the outside of the second protective coating (7). The cross-section of the resistance wire body (5) is hexagonal. The first protective coating (6) is a polytetrafluoroethylene coating or a fluororubber coating. The second protective coating (7) is an epoxy resin coating. The coating thickness of the polytetrafluoroethylene coating, the fluororubber coating, and the epoxy resin coating is 0.15-0.3μm. A transition coating (8) is provided between the second protective coating (7) and the resistance wire body (5). The transition coating (8) is a metal nitride layer.
2. The corrosion-resistant resistance wire according to claim 1, characterized in that: Both ends of the hexagonal spiral resistance wire (4) are welded with connecting pins (3), and one end of the connecting pins (3) is welded with a connecting copper plate (2). The connecting copper plate (2) has a connecting hole (1) inside.
3. The corrosion-resistant resistance wire according to claim 1, characterized in that: It also includes a flat-angle spiral resistor wire (9), the cross-section of which is rectangular, and the spiral bending shape of which is an alternating flipping of the lower flipped edge (10) and the upper flipped edge (11).