CN210110385U - Network control composite cable for irradiation-resistant video monitoring - Google Patents
Network control composite cable for irradiation-resistant video monitoring Download PDFInfo
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- CN210110385U CN210110385U CN201921011537.2U CN201921011537U CN210110385U CN 210110385 U CN210110385 U CN 210110385U CN 201921011537 U CN201921011537 U CN 201921011537U CN 210110385 U CN210110385 U CN 210110385U
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Abstract
The utility model discloses a radiation-resistant network control composite cable for video monitoring, which comprises a network cable (1), an insulated wire core I (2), an aluminum-plastic composite belt I (3), a low-smoke halogen-free flame-retardant belt (4), a total shielding layer (5) and an outer sheath layer (6); 4 pairs of network wires 1 wrapped with a layer of aluminum-plastic composite belt I and a plurality of insulated wire cores I are uniformly and symmetrically arranged outside the network wire wrapped with the layer of aluminum-plastic composite belt I, the insulated wire cores I are wrapped with a layer of low-smoke halogen-free flame retardant belt, a nickel-plated copper wire is adopted outside the halogen-free flame retardant belt to weave an armor and weave a total shielding layer, and a low-smoke halogen-free cross-linked polyolefin material is extruded outside the total shielding layer and is irradiated by an electron accelerator to serve as an outer shielding layer. The novel structural design is adopted to ensure the excellent transmission performance and the stability of the transmission performance of the network cable in the composite cable.
Description
Technical Field
The utility model relates to an irradiation-resistant network control composite cable for video monitoring is applicable to the naval vessel and mainly uses building equipment, instrument and instrument energy transmission on water such as all kinds of warships, river and sea boats and ships, offshore oil platform, and the cable is used in signal control, aims at solving the net electricity composite cable that has the video monitoring network of irradiation-resistant requirement occasion and use and signal control.
Background
With the rapid development of the river and sea and ocean transportation industry and national defense engineering, various ships and vessels, offshore oil platforms and the like are increasing, and the technical requirements of various devices on cables are increasing day by day. The traditional marine or naval cable also widely adopts a single common naval cable, the network power comprehensive cable is not applied, the network power comprehensive cable related to other fields generally adopts 1 network cable and a power supply cable or a control cable with other composite functions, the network power comprehensive cable is simply combined to form the network power comprehensive cable, the material is also a conventional material in material selection, and bare copper weaving or tinned copper wire weaving is a common material. In view of the network cable, in the actual working process of the control cable and the power cable designed by the structure, the generated current has electromagnetic interference, so that the transmission performance of the network cable is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an irradiation-resistant network control composite cable for video monitoring aims at solving the video monitoring network that has the irradiation-resistant requirement occasion and uses and the net electricity composite cable that signal control used. The utility model discloses a design and the improvement of material cladding material to synthesizing the cable structure to the excellent transmission performance of network line and the stability of transmission performance have been guaranteed. The irradiation-resistant network control integrated cable for video monitoring can simultaneously meet the transmission of network signals, control signals and electric power, brings convenience to the weight reduction and the actual working condition use of the cable, and is particularly suitable for the network power integrated cable for video monitoring networks and signal control in occasions with irradiation-resistant requirements.
In order to solve the above problem, the utility model adopts the following technical scheme: the utility model provides an irradiation-resistant network control composite cable for video monitoring, which is characterized by comprising a network cable, an insulation wire core I (power supply control wire core), an aluminum-plastic composite belt I, a low-smoke halogen-free flame-retardant belt, a total shielding layer and an outer sheath layer;
the outer uniform symmetry of the network cable that has wrapped one deck aluminium-plastic composite band I has arranged insulating sinle silk I and has wrapped the fire-retardant area of one deck low smoke and zero halogen outward around the insulating sinle silk I to satisfy the fire-retardant requirement of low smoke and zero halogen of cable, the fire-retardant outband of no halogen adopts nickel-plated copper wire to weave total shielding layer, has guaranteed the electromagnetic interference effect of synthesizing the cable, and the oversheath of cable is outer to total shielding layer, extrudes low smoke and zero halogen crosslinked polyolefin material and passes through electron accelerator irradiation as oversheath layer outside total shielding layer.
The network wire adopts a wire and cable stranding machine or a bunching machine to adopt a concentric pressing type stranded tin-plated copper soft conductor II, and a solid polyethylene material is extruded outside the conductor II to manufacture an insulating layer II so as to form an insulating wire core II; the wire cores are twisted together pairwise according to a specified pitch; the four pairs of twisted wire pairs are cabled together, the cabled cable core is wrapped or longitudinally wrapped by a single-sided aluminum-plastic composite tape II, and the thickness of an aluminum base in the aluminum-plastic composite tape II is 0.04mm-0.05mm so as to reduce the attenuation and crosstalk indexes of the cable. The single-side aluminum-plastic composite belt II is externally provided with a braided sub-shielding layer, and the braided sub-shielding layer is a tinned round copper stranded wire braided wire, so that the low attenuation, the impedance consistency and the electromagnetic compatibility of the whole cable are further ensured; the outer surface of the braided sub-shielding layer adopts irradiation crosslinking low-smoke halogen-free polyolefin material as an inner sheath layer.
The low-smoke halogen-free cross-linked polyolefin material is extruded outside the composite shield and is irradiated by an electron accelerator to serve as a sheath layer, and the sheath is made of low-temperature-resistant, irradiation-resistant, low-smoke, halogen-free, low-toxicity and flame-retardant materials, so that the use characteristics of the cable in harsh environments such as irradiation occasions are guaranteed.
A layer of aluminum-plastic composite belt I is wrapped outside the network cable, the aluminum base thickness is required to be 0.04mm-0.05mm, the design of the structure reduces the influence of electromagnetic interference generated by the power supply control cable core on the outer layer of the network cable comprehensive cable on the network cable, meanwhile, the influence of the network cable on the power supply control cable core is also reduced, and the excellent transmission performance and the stability of the transmission performance of the network cable are guaranteed.
The power supply control wire cores adopt a wire and cable stranding machine or a wire bunching machine to concentrically press a stranded tin-plated copper soft conductor I, an insulating layer made of an irradiation-resistant material is extruded outside the conductor I, and the insulating layer I is irradiated by an electron accelerator.
The power supply control wire cores are uniformly distributed outside the network line, the sections of the wire cores meet the use requirements of specific working conditions, and the influence of electromagnetic interference is minimized by the uniform and symmetrical distribution structure, so that the influence of power control current transmission on the electromagnetic interference of the network line is further weakened, and the stability of the transmission performance of the network line is ensured.
A layer of halogen-free flame-retardant tape is wrapped outside the power supply control wire core, so that the flame retardant property of the composite cable is improved.
A nickel-plated copper wire total shielding layer is adopted outside a halogen-free flame-retardant belt, ferromagnetic metal elements of nickel are fully considered, the nickel-plated copper wire weaving is further improved on the traditional prior art (bare copper weaving or tin-plated copper weaving), the shielding effect balanced magnetic field for electromagnetic compatibility is enhanced, the thickness of a nickel layer is (2 +/-0.5) mu m, the influence of external electromagnetic interference on the composite cable is very little, and the influence of the composite cable on the outside is also reduced.
The outer of the total shielding layer is extruded with an irradiation-resistant low-smoke halogen-free cross-linked polyolefin material and is irradiated by an electron accelerator to be used as an outer sheath layer, and the sheath is required to be made of a material which is resistant to irradiation, low-temperature resistant, low-smoke, halogen-free, low-toxicity and flame retardant, so that the use characteristics of the cable in harsh environments such as irradiation occasions are ensured.
Compared with the closest prior art, the utility model, have following advantage:
1. excellent transmission performance and stability of transmission performance of network line in composite cable
The novel structural design is adopted to ensure the excellent transmission performance and the stability of the transmission performance of the network cable in the composite cable.
2. Excellent electromagnetic compatibility:
because the nickel-plated copper braided balanced magnetic field is adopted in the cable, the excellent electromagnetic compatibility of the grid power comprehensive cable is improved, the influence of external electromagnetic interference on the comprehensive cable is ensured to be very little, and the influence of the comprehensive cable on the outside is also reduced.
Drawings
FIG. 1 is a schematic diagram of a conventional grid power composite cable (prior art); 31-network wire, 32-conductor of power control wire, 33-insulation of power control wire, 34-braided sub-shield, 35-power wire sheath, 36-braided total shield and 37-network electricity comprehensive cable outer sheath.
FIG. 2 is a schematic structural diagram of a radiation-resistant network control composite cable for video surveillance; the cable comprises a cable body, a cable core 1, an insulating cable core I, an insulating cable core 3, an aluminum-plastic composite tape I, a low-smoke halogen-free flame-retardant tape 4, a total shielding layer 5 and an outer sheath layer 6.
Fig. 3 schematic diagram of the insulated wire core structure, wherein 11-conductor i, 12-insulation i.
FIG. 4 is a schematic diagram of a network line structure, in which 4 × 2 represents 4 pairs of cores; 21-conductor II, 22-insulating layer II, 23-single-side aluminum-plastic composite tape II, 24-braided separation shield, 25-inner sheath.
Detailed Description
The present invention will be described in further detail below.
As shown in fig. 2, the utility model provides a network control composite cable for radiation-resistant video monitoring, which comprises a network cable 1, an insulated wire core i 2, an aluminum-plastic composite belt i 3, a low-smoke halogen-free flame-retardant belt 4, a total shielding layer 5 and an outer sheath layer 6; 12 insulation wire cores I2 are evenly and symmetrically arranged outside a network cable 1 wrapped with a layer of aluminum-plastic composite belt, a layer of low-smoke halogen-free flame-retardant belt 4 is wrapped outside the 12 insulation wire cores I, a total shielding layer 5 is woven by nickel-plated copper wires outside the halogen-free flame-retardant belt, an outer sheath of the cable is arranged outside the total shielding layer, low-smoke halogen-free cross-linked polyolefin material is extruded outside the total shielding layer and is irradiated by an electron accelerator to serve as an outer sheath layer 6, and the nickel layer thickness in the nickel-plated copper wires woven the total shielding layer is (2 +/-0.5) mu m.
As shown in fig. 3, the cable insulation core comprises a conductor 1 and a solid insulation layer 2, a concentric pressing type stranded tin-plated copper soft conductor I11 is adopted by a wire and cable stranding machine or a wire bunching machine, a 19-strand soft conductor structure is adopted, the outer diameter is uniform after stranding, the appearance is round and smooth, the purposes of stable structure, softness and excellent electrical property are achieved, an insulation layer made of an irradiation-resistant material is extruded outside a conductor II, and the insulation layer is irradiated by an electron accelerator to serve as an insulation layer I12.
As shown in fig. 4, taking 4 × 2 × 24A of a tin-plated multi-strand stranded copper conductor as an example, the network cable 1 adopts a wire and cable stranding machine or a bundling machine to adopt a concentric pressing type stranded tin-plated copper soft conductor ii 21, adopts a 19-strand soft conductor structure, requires uniform outer diameter after stranding and smooth appearance, achieves the purposes of stable structure, softness and excellent electrical property, and is manufactured by extruding a solid polyethylene material outside the conductor ii to form an insulating layer ii 22 to form an insulating core ii; the wire cores are twisted together pairwise according to a specified pitch; the four pairs of twisted wire pairs are cabled together, the cabled cable core is wrapped or longitudinally wrapped by a single-sided aluminum-plastic composite tape II 23, and the aluminum base thickness in the aluminum-plastic composite tape II is required to be 0.04mm-0.05mm so as to reduce the attenuation and crosstalk indexes of the cable. The single-side aluminum-plastic composite belt II 23 is externally provided with a braided sub-shielding layer 24, and the braided sub-shielding layer is a tinned round copper stranded wire braided wire, so that the low attenuation, the impedance consistency and the electromagnetic compatibility of the whole cable are further ensured; the outer surface of the braided sub-shielding layer adopts irradiation crosslinking low-smoke halogen-free polyolefin material as an inner sheath layer 25.
The above description is only a preferred embodiment of the present invention, and is not limited to the present invention, and various modifications and changes can be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. A network control comprehensive cable for radiation-resistant video monitoring is characterized by comprising a network cable (1), an insulating cable core I (2), an aluminum-plastic composite tape I (3), a low-smoke halogen-free flame-retardant tape (4), a total shielding layer (5) and an outer sheath layer (6);
insulated wire cores I (2) are uniformly and symmetrically arranged outside a network wire (1) wrapped with a layer of aluminum-plastic composite belt I (3), a layer of low-smoke halogen-free flame-retardant belt is wrapped outside the insulated wire cores I, a nickel-plated copper wire is adopted outside the halogen-free flame-retardant belt to weave a total shielding layer (5), and a low-smoke halogen-free cross-linked polyolefin material is extruded outside the total shielding layer and is irradiated by an electron accelerator to serve as an outer sheath.
2. The network control composite cable for the radiation-resistant video monitoring as claimed in claim 1, wherein the network cable adopts a wire and cable stranding machine or a bunching machine to adopt a concentric pressing type stranded tin-coated copper soft conductor II (21), and a solid polyethylene material is extruded outside the conductor II to manufacture an insulating layer II (22) to form an insulating wire core II; the wire cores are twisted together pairwise according to a specified pitch; the four pairs of twisted wire pairs are cabled together, the cabled cable core is wrapped or longitudinally wrapped with a single-sided aluminum-plastic composite tape II (23), the thickness of an aluminum base in the aluminum-plastic composite tape II is 0.04mm-0.05mm, a braided sub-shielding layer (24) is arranged outside the single-sided aluminum-plastic composite tape II, the braided sub-shielding layer is tinned round copper stranded wire braided wires, and an irradiation crosslinking low-smoke halogen-free polyolefin material is adopted as an inner sheath layer (25) outside the braided sub-shielding layer.
3. The network control composite cable for radiation-resistant video monitoring as claimed in claim 1, wherein the insulated wire core i (2) is a concentric press type stranded tin-plated copper soft conductor i (11) for a wire and cable stranding machine or a wire bunching machine, an insulating layer made of radiation-resistant material is extruded outside the conductor i, and the insulating layer i (12) is irradiated by an electron accelerator.
4. The network control composite cable for radiation-resistant video monitoring as claimed in claim 1, wherein the thickness of the nickel layer in the nickel-plated copper wire braided total shielding layer is (2 ± 0.5) μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011537.2U CN210110385U (en) | 2019-07-02 | 2019-07-02 | Network control composite cable for irradiation-resistant video monitoring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921011537.2U CN210110385U (en) | 2019-07-02 | 2019-07-02 | Network control composite cable for irradiation-resistant video monitoring |
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| CN210110385U true CN210110385U (en) | 2020-02-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246621A (en) * | 2019-07-02 | 2019-09-17 | 南京全信传输科技股份有限公司 | A kind of radiation resistance video monitoring network-control composite cable |
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- 2019-07-02 CN CN201921011537.2U patent/CN210110385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246621A (en) * | 2019-07-02 | 2019-09-17 | 南京全信传输科技股份有限公司 | A kind of radiation resistance video monitoring network-control composite cable |
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