Ceramic silicone rubber insulation flexible fireproof cable

Abstract

The utility model belongs to the technical field of cable application, and particularly discloses a ceramic silicone rubber insulated flexible fireproof cable, which comprises two groups of category 5 bunch-stranded soft copper conductors, an insulating layer, two groups of outer bearing wire cores, a ceramic silicone rubber insulating layer, a fireproof filling layer, a shielding woven mesh layer and an outer protective layer. According to the technical scheme of the utility model, due to the structural design of the class 1 and class 5 bunch-stranded soft copper conductors, the insulating layer, the outer bearing wire core, the ceramic silicone rubber insulating layer, the fireproof filler, the shielding woven mesh layer and the outer protective layer, the cable has the advantages of good insulation, flexibility and fireproof performance, and also has good anti-interference, bending-resistant, wear-resistant and tensile properties. The overall service life is effectively prolonged, and the safety is effectively improved; and 2, the inner steel wire bearing core further expands the tensile failure capability of the cable in the use process, reduces the stress of the insulating layer, the outer bearing wire core, the ceramic silicone rubber insulating layer, the fireproof filling layer, the shielding woven mesh layer and the outer protection layer in the use process, and prolongs the overall service life.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable application technical field, concretely relates to ceramic silicon rubber insulation flexible fireproof cable. BACKGROUND

[0002] With the progress of technology and the practical scene practical demand of cable, the performance adaptability of cable is higher.

[0003] At present, the cable with good insulation, flexibility and fireproof performance has been developed, such as ceramic silicon rubber insulation metal sheath flexible fireproof cable (patent number / application number 201921168796.6, authorized announcement number CN210073367U).

[0004] Through analysis: although the above-mentioned cable has improved in insulation, flexibility and fireproof performance, but it is short of in anti-interference, bending resistance, wear resistance and tensile resistance and other performances, and the above-mentioned shortcomings will affect the service life of the cable in practical application.

[0005] Therefore, based on the above problems, the utility model provides ceramic silicon rubber insulation flexible fireproof cable. INVENTION CONTENTS

[0006] The utility model aims at providing ceramic silicon rubber insulation flexible fireproof cable, improves the flame retardant, anti-interference, bending flexibility, wear resistance and tensile resistance and other performances of overall cable structure, and correspondingly expands the service life and safety.

[0007] Technical scheme: the ceramic silicon rubber insulation flexible fireproof cable provided by the utility model, including two groups of 5 kinds of bundle twisted soft copper conductors, and the insulation layer covered in the outer layer of 5 kinds of bundle twisted soft copper conductor, and the two groups of outer bearing line core connected in the outer layer of insulation layer, and the ceramic silicon rubber insulation layer arranged in the outer layer of outer bearing line core, and the fireproof filling layer filled in the ceramic silicon rubber insulation layer and located in the outer layer of insulation layer and outer bearing line core, and the shielding braid layer arranged in the outer layer of ceramic silicon rubber insulation layer, and the outer protective layer arranged in the outer layer of shielding braid layer, wherein the outer bearing line core is made of a copper wire center layer and six outer copper wire layers, and the diameter of copper wire is same.

[0008] The ceramic silicon rubber insulation flexible fireproof cable of the technical scheme further includes the inner steel wire bearing core arranged between the insulation layers, and the diameter of the outer bearing line core is one third of the diameter of the inner steel wire bearing core.

[0009] The insulating layer includes but is not limited to TPE (thermoplastic elastomer), the fireproof filling layer includes but is not limited to polypropylene filling rope material, mineral filling, polystyrene foam and organic silicon filling, the shielding braided mesh layer includes but is not limited to copper wire braided mesh and steel wire braided mesh, and the outer protective layer includes but is not limited to polyethylene, crosslinked polyethylene, crosslinked polyolefin and PE (polyethylene) thermoplastic elastomer.

[0010] Compared with the prior art, the ceramicized silicone rubber insulation flexible fireproof cable has the advantages that: 1. the 5-class bundled and twisted soft copper conductor, the insulating layer, the outer load-bearing wire core, the ceramicized silicone rubber insulation layer, the fireproof filling, the shielding braided mesh layer and the outer protective layer are structurally designed, so that the cable has good insulation, flexibility and fireproof property, and also has good anti-interference, bending resistance, wear resistance and tensile resistance, and the overall service life and safety are effectively improved; and 2. the inner steel wire load-bearing core further expands the breaking capacity of the cable during use, reduces the stress of the insulating layer, the outer load-bearing wire core, the ceramicized silicone rubber insulation layer, the fireproof filling layer, the shielding braided mesh layer and the outer protective layer during use, and prolongs the overall service life. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0012] Figure 1 is a structural schematic view of the ceramicized silicone rubber insulation flexible fireproof cable of the present application.

[0013] In the drawings, the serial numbers are as follows: 100-5-class bundled and twisted soft copper conductor, 101-insulating layer, 102-fireproof filling layer, 103-ceramicized silicone rubber insulation layer, 104-shielding braided mesh layer, 105-outer protective layer, 106-inner steel wire load-bearing core and 107-outer load-bearing wire core. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0015] In the description of the utility model, it is necessary to explain that the terms ''top'', ''bottom'', ''one side'', ''the other side'', ''front'', ''back'', ''intermediate position'', ''interior'', ''top end'', ''bottom end'' and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model; the terms ''first'', ''second'' and ''third'' are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms ''mounting'', ''connection'' and ''connection'' should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements.

[0016] Embodiment one

[0017] As Figure 1 shown, the ceramicized silicone rubber insulated flexible fireproof cable comprises two groups of 5-class bundled twisted soft copper conductors 100, and an insulation layer 101 wrapped outside the 5-class bundled twisted soft copper conductors 100, and two groups of outer load cores 107 connected outside the insulation layer 101, and a ceramicized silicone rubber insulation layer 103 arranged outside the outer load cores 107, and a fireproof filling layer 102 filled in the ceramicized silicone rubber insulation layer 103 and located outside the insulation layer 101 and the outer load cores 107, and a shielding braid layer 104 arranged outside the ceramicized silicone rubber insulation layer 103, and an outer protective layer 105 arranged outside the shielding braid layer 104.

[0018] Among them, the outer load core 107 is made of a copper wire center layer and six outer copper wire layers, and the diameters of the copper wires are the same.

[0019] The 5-class bundled twisted soft copper conductor 100 has good bending performance, meeting the bending requirement of the overall cable; the outer load core 107 improves the breaking capacity of the cable during use and prolongs the service life of the cable during use; the ceramicized silicone rubber insulation layer 103 has good fire resistance and insulation performance; the shielding braid layer 104 improves the bending resistance and tensile strength of the cable, so that the cable has high overall mechanical performance and a long service life.

[0020] Embodiment two

[0021] On the basis of the first embodiment, the ceramicized silicone rubber insulated flexible fireproof cable further comprises an inner steel wire bearing core 106 arranged between the insulation layers 101.

[0022] The diameter of the outer bearing wire core 107 is one third of the diameter of the inner steel wire bearing core 106.

[0023] Such a structure design, combined with the use of the outer bearing wire core 107, greatly expands the breaking capacity of the cable, and can withstand the tension and self-weight of the cable during use, prolongs the service life and safety of the cable during use,

[0024] In addition, the insulation layer 101 preferably includes but is not limited to TPE thermoplastic elastomer, which improves the wear resistance and corrosion resistance of the cable; the fireproof filling layer 102 includes but is not limited to polypropylene (PP) filling rope material, mineral filler, polystyrene foam, and silicone filler. The above filling layer structure design, on the one hand, plays a role in improving the tensile and swing resistance of the cable, and at the same time, the filler itself should be a flame-retardant material, further improving the flame-retardant performance of the cable product, prolonging the service life, and on the other hand, filling the cable gap makes the cable core have good roundness; the shielding braid layer 104 includes but is not limited to copper wire braid and steel wire braid, which effectively improves the bending resistance and tensile strength of the cable, so that the cable achieves high overall mechanical properties and prolongs the service life of the cable; the outer protective layer 105 includes but is not limited to polyethylene, cross-linked polyethylene, cross-linked polyolefin, and PE thermoplastic elastomer, which has good weather resistance and insulation, ensuring that the cable has good durability.

[0025] It should be noted that in this document, terms such as "comprise", "comprise", or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or devices including a series of elements not only include those elements, but also include other elements not explicitly listed, or include elements inherent to such processes, methods, articles or devices. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of another identical element in the process, method, article or device that includes the element.

[0026] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A ceramicized silicone rubber insulated flexible fire resistant cable, characterized in that: The flexible fireproof cable comprises two groups of 5-class bundle twisted soft copper conductors (100), an insulation layer (101) respectively coated outside the 5-class bundle twisted soft copper conductors (100), two groups of outer bearing wire cores (107) arranged outside the insulation layer (101) and connected, a ceramicized silicone rubber insulation layer (103) arranged outside the outer bearing wire cores (107), a fireproof filling layer (102) filled in the ceramicized silicone rubber insulation layer (103) and located outside the insulation layer (101) and the outer bearing wire cores (107), a shielding braid layer (104) arranged outside the ceramicized silicone rubber insulation layer (103), and an outer protective layer (105) arranged outside the shielding braid layer (104). The outer bearing wire core (107) is made of one copper wire center layer and six outer copper wire layers, and the diameters of the copper wires are the same.

2. The ceramifiable silicone rubber insulated flexible fire resistant cable according to claim 1, characterized in that: The ceramicized silicone rubber insulation flexible fireproof cable further comprises an inner steel wire bearing core (106) arranged between the insulation layers (101). The diameter of the outer bearing wire core (107) is one third of the diameter of the inner steel wire bearing core (106).

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