Anti-aging corrosion-resistant mineral insulated fireproof cable
By incorporating rubber sheets, corrosion-resistant layers, and fire-retardant coatings into the outer layer of the cable, the problems of moisture susceptibility and small bending radius of existing fire-resistant cable insulation materials are solved, achieving both corrosion resistance and flexibility in the cable, making it suitable for the multi-core, long-length cable requirements of modern building facilities.
Patent Information
- Application Number
- CN202520282906.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-21
AI Technical Summary
The insulation material of existing fire-resistant cables is prone to moisture absorption, which leads to a decrease in insulation performance. In addition, the bending radius is small, making it difficult to meet the needs of modern buildings and facilities for long-length cables.
The outer layer is made of rubber sheet, the inner side is provided with corrosion resistant layer (PE film), the outer side is coated with fire retardant coating, and the cable is sealed by connecting strip and connecting protrusion.
It improves the corrosion resistance and insulation of the cable, increases the bending radius of the cable, is suitable for fire-proof and explosion-proof environments, is easy to assemble, and can be reused.
Smart Images
Figure CN223692932U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power cable technical field, especially an anti -aging corrosion -resistant mineral insulation fire -resistant cable. BACKGROUND
[0002] At present, the fire -resistant cable used in market has two kinds of rigidity and flexibility, the two kinds of cables all take magnesium oxide as insulation, among them rigid fire -resistant cable is wrapped with copper pipe and is tightly pressed after passing through multiple drawing processes;Flexible fire -resistant cable is rolled into spiral shape outside steel cable copper pipe. Rigid fire -resistant cable is the first generation product, and flexible fire -resistant cable is the second generation product. The two kinds of cables have been applied in market for many years, but along with the development of the times and the progress of science and technology, the cable in prior art has been unable to meet the demand of modernization development, and the demand of multi -core large length cable of places such as Tian Building, Suo Road and airport is increasing day by day, and these places all require that the cable is resistant to fire for a long time, and the original old process has been unable to meet the demand of modernization.
[0003] The product in prior art still has the following shortcomings: the hard cable texture brings great inconvenience to construction;The fire -resistant layer of the existing product of fire -resistant cable is all selected mica tape as fire -resistant layer, and the mica tape has low fire -resistant temperature, is difficult to store and is easy to be damp, the insulation performance of mica tape is reduced after being damp, and the cable will have safety hazards;The cable bending radius is small, and the inner insulation is magnesium oxide tightly pressed, and the inner insulation is easy to crack when bending. SUMMARY
[0004] Therefore, the utility model aims at providing an anti -aging corrosion -resistant mineral insulation fire -resistant cable that can realize corrosion -resistant, moisture -proof and fire -resistant.
[0005] The utility model adopts the following method to realize: an anti -aging corrosion -resistant mineral insulation fire -resistant cable, including the rubber sheet for covering in the cable outside, the rubber sheet inside is provided with corrosion -resistant layer, the rubber sheet outside is coated with fire -resistant coating, and the rubber sheet is provided with the cladding connecting piece.
[0006] Further, the corrosion -resistant layer is PE film.
[0007] Further, the cladding connecting piece includes connecting band, a plurality of connecting convex parts are arranged on the rubber sheet outside at equal distance, a plurality of connecting bands are connected to the rubber sheet end at equal distance, and a plurality of connecting ports matched with the connecting convex parts are arranged on the connecting band at equal distance.
[0008] The utility model discloses beneficial effect lies in: the utility model discloses has added rubber sheet, corrosion -resistant layer and fire -retardant coating in the device, can realize cable insulation effect, can realize cable's corrosion -resistant performance, has guaranteed the leakproofness when cable connection, is applicable to fire -prevention explosion -proof environment, and the insulating property is good, and the assembly is convenient, and can be repeatedly used, the softness of cable texture is good, and cable radius bending degree is big, the utility model discloses simple structure, convenient operation can effectively save manpower and material resources. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is the structure schematic diagram of the utility model.
[0010] Figure 2 It is the front view of the utility model. DETAILED DESCRIPTION
[0011] The utility model makes further explanation below combining with the drawings.
[0012] Please refer to Figure 1 And Figure 2 As shown in the utility model provides an embodiment: a kind of anti-aging corrosion -resistant mineral insulation fire -retardant cable, including the rubber sheet 1 for covering in cable outside, the rubber sheet 1 inside is provided with corrosion -resistant layer 2, the rubber sheet 1 outside is coated with fire -retardant coating 3, the rubber sheet 1 is provided with covering connecting piece 4.Make the rubber sheet 1 can realize cable insulation effect, through corrosion -resistant layer 2 can realize cable's corrosion -resistant performance, through covering connecting piece 4 guarantee the leakproofness when cable connection, through fire -retardant coating 3 applicable to fire -prevention explosion -proof environment, and the insulating property is good, and the assembly is convenient, and can be repeatedly used.
[0013] Please continue to refer to the coating 1 and the coating 2 show, in the utility model one embodiment, the corrosion -resistant layer 2 is PE film.Make through the effect of PE film, water vapor can be avoided into cable, to realize cable surface corrosion -resistant effect.
[0014] Please continue to refer to the coating 1 and the coating 2 show, in the utility model one embodiment, the covering connecting piece 4 includes connecting band 41, the rubber sheet 1 outside is provided with multiple connecting convex parts 42 at equal distance, the rubber sheet 1 end is equally connected with multiple connecting band 41, and multiple connecting ports 43 that are matched with the connecting convex part 42 are equally arranged on the connecting band 41.Make through the cooperation of connecting band 41 and connecting convex part 42, cable can be covered, and the leakproofness when cable connection is guaranteed.
[0015] In the utility model, PE film and fire -retardant coating are all prior art, and the person skilled in the art can clearly understand, and detailed description is not carried out here.
[0016] The above merely describes preferred embodiments of the present application, and any changes or modifications made within the scope of the present application should be included in the scope of the present application.
Claims
1. An anti-aging, corrosion-resistant, mineral-insulated, fire-resistant cable, characterized in that: The utility model provides a cable sheath, which comprises a rubber sheet for sheathing outside a cable, wherein the inner side of the rubber sheet is provided with a corrosion-resistant layer, the outer side of the rubber sheet is coated with a fireproof coating, and a sheathing connecting piece is arranged on the rubber sheet.
2. An anti-aging, corrosion-resistant, mineral-insulated, fire-resistant cable according to claim 1, characterized in that: The corrosion-resistant layer is a PE film.
3. An anti-aging, corrosion resistant, mineral insulated, fire resistant cable as claimed in claim 1, characterized in that: The sheathing connecting piece comprises a connecting band, a plurality of connecting protrusions are equidistantly arranged on the outer side of the rubber sheet, and a plurality of connecting bands are equidistantly connected to the end of the rubber sheet, wherein a plurality of connecting openings matched with the connecting protrusions are equidistantly arranged on the connecting band.