CN203150158U - High temperature-resistant and severe cold-resistant video monitoring and electric power transmission integration cable - Google Patents
High temperature-resistant and severe cold-resistant video monitoring and electric power transmission integration cable Download PDFInfo
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- CN203150158U CN203150158U CN 201220736888 CN201220736888U CN203150158U CN 203150158 U CN203150158 U CN 203150158U CN 201220736888 CN201220736888 CN 201220736888 CN 201220736888 U CN201220736888 U CN 201220736888U CN 203150158 U CN203150158 U CN 203150158U
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Abstract
The utility model relates to a video monitoring and electric power transmission integration cable that is applied to special equipment occasions of the aerospace, ship and offshore platform fields and the like. The high temperature-resistant and severe cold-resistant video monitoring and electric power transmission integration cable comprisesa twisted soft filament conductors (1), insulating layers (2), aluminium foils (3), a filling core (4), low-voltage power wire cores (5), a wrapping layer (6), a braiding layer (7), and an outer sheath (8). The insulating layers coats the outsides of the conductors; and the aluminium foils are wrapped outside the insulating layers, thereby forming video core wires. After the plurality of video core wires and the plurality of low-voltage power wire cores form a cable, the wrapping layer coats the cable; the inside of the cable is filled with the filling core that is arranged in the central gap among the plurality of core wires, wherein the filling core is formed by high-strength flame-retardant aramid fiber strand twisted filaments; and the braiding layer is arranged outside the wrapping layer for shielding; and then the outer sheath coats the outside the of the braiding layer. According to the utility model, the provided cable has the good repeated bending strength, the good mechanical strength, and excellent weather-proof and corrosion-resistant properties. When high-frequency video signals are transmitted, the work power supply can be supplied simultaneously; the installation space can be saved; and the installation efficiency can be improved.
Description
Technical field
The utility model relates to a kind of video monitoring and electric power is carried composite cable, relates in particular to a kind of high temperature resistant high and cold video monitoring and electric power and carries composite cable, is used for special equipment occasions such as Aero-Space, naval vessel and offshore platform.
Background technology
Video monitoring is the important composition part in fields such as modern production equipment, security monitoring, the construction of logistics net.In recent years, increasing along with people's demand to information in productive life, more and more widely, mechanics of communication is advanced by leaps and bounds, and presents information technology prosperity scene in the ascendant.Extensively adopt in each field under the demand of information technology, should need and the communication product of giving birth to is broken through the soil one after another like rain the back spring bamboo.Yet, on the great equipments such as the Aero-Space high in big, the fire-retardant requirement of high low temperature difference variation, that communicating requirement is strict, naval vessel, offshore platform, little because of the communication products demand, quality requirement is strict, performance constantly changes requirement because occasion is different, so far aspect high-end communication products especially communications cable product aspect also form industry standard and the product line of specialty.
Usually adopt optical fiber cable, video coaxial cable as video cables in the existing vision cable.The existing video communication construction of cable as shown in Figure 1, the general single or stranded naked copper (zinc-plated) that adopts is as conductor 11, solid or physical blowing polyethylene 12 is as insulating barrier, outsourcing aluminium foil or copper wire braid 13 are as screen, outsourcing polyester belt or nonwoven fabrics 14 wrapped backs shield as total with aluminium foil or copper wire braid 15 behind the split conductor stranding, and flame-proof polyvinyl chloride (low-smoke halogen-free polyolefin) 16 is as oversheath.Yet polyolefine material is all adopted in the oversheath of coaxial cable and optical fiber cable and insulation.Control cable installation position temperature at heater elements such as the engine of equipments such as Aero-Space, naval vessel, generators can reach more than 200 ℃, sometimes even reach more than 500 ℃.Common polyolefin insulation and jacket material moment will be melted.
Video coaxial cable commonly used at present adopts insulating material of polyethylene, can adopt manufacturing technologies such as solid coaxial insulation technology and the coaxial insulation technology that foams according to technical indicators such as impedance, electric capacity are different, the stable processor that is sent to clearly of the vision signal that camera probe is obtained.Yet product is in high-end equipments such as Aero-Space, naval vessel, because of material and structural limitations, the test of harsh operational environment more than 200 ℃ subzero below 40 ℃, above freezing can not be adapted to, the dangerous matter sources that equipments such as expensive Aero-Space, naval vessel break down can be become at any time.
Electric power system and the video monitoring system of special equipments such as existing Aero-Space, naval vessel and offshore platform generally adopt separate cable system.For the overall performance that promotes special equipments such as Aero-Space, naval vessel and offshore platform promotes, under the unabated prerequisite of security function, having proposed volume miniaturization, load high strength, environmental resistance ability height, modular requirement is installed as the indispensable cable products of dynamical system, communication system and supervisory control system.
Summary of the invention
The purpose of this utility model is to provide a kind of high temperature resistant high and cold video monitoring and electric power to carry composite cable, this composite cable has good alternating bending intensity and mechanical strength, good weather-proof decay resistance, in transmission video signal, also can provide working power, can save installing space, improve installation effectiveness.
In order to realize above-mentioned technical purpose, the utility model adopts following technical scheme:
A kind of high temperature resistant high and cold video monitoring and electric power are carried composite cable, comprise stranded soft silk conductor, insulating barrier, aluminium foil, lapping layer, braid and oversheath, described cable also comprises filled core and low-voltage power core, behind the described conductor outsourcing insulation more wrapped aluminum foil shielded as the video heart yearn, outsourcing lapping layer behind many video heart yearns and the many low-voltage power core strandings, in have filled core to fill, filled core is positioned at many heart yearn center gap, filled core is high-strength anti-flaming aramid fiber thigh hank knotting, lapping layer has the braid shielding outward, and the outside is wrapped oversheath again.
Described two video heart yearns and a low-voltage power core are spaced.
Described conductor is meticulous stranded soft tinned copper wire or silver-gilt copper wire.
Described insulating barrier is polytetrafluoroethylene.
Described lapping layer is fire-resistant gluing glass fiber strap.
Described braid is high temperature resistant aluminum-magnesium alloy wire or tinned copper wire braiding.
Described oversheath is Flame-Retardant and Oil-Resistant heatproof cross-linked silicone rubber sheath.
The conductor of described low-voltage power core is meticulous stranded soft tinned copper wire or silver-gilt copper wire.
High temperature resistant high and cold high-frequency data of the present utility model and electric power carry composite cable that good alternating bending intensity and mechanical strength are arranged, good weather-proof decay resistance is arranged, the transmission band height, signal of communication is clear, and flow is bigger, also can provide working power in transmission video signal, for big flow high-resolution video monitoring special equipment user provides reliable disposable communication electrical equipment solution, can save installing space, improve installation effectiveness, reduce maintenance cost.Construction of cable stability of the present utility model, bear the pulling force ability and fire resistance is good, the boats and ships that can suit pass through the work requirements of ocean and polar region, can bear the high-strength hydraulic pressure of habitata instrument deep-sea wiring, can follow the Aero-Space equipment to carry out the work at the outer space of temperature environment complexity.
Description of drawings
Fig. 1 is existing video communication construction of cable schematic diagram;
Fig. 2 is that the high temperature resistant high and cold video monitoring of the utility model and electric power are carried the composite cable structural representation.
Among the figure: 1 conductor, 2 insulating barriers, 3 aluminium foils, 4 filled cores, 5 low-voltage power cores, 6 lapping layers, 7 braids, 8 oversheaths; 11 single or stranded naked copper (zinc-plated) conductors, 12 solid or physically foamed pe insulation layers, 13 aluminium foils or copper wire woven shield, 14 polyester belts or nonwoven fabrics, 15 aluminium foils or copper wire woven shield, 16 flame-proof polyvinyl chlorides (low-smoke halogen-free polyolefin) oversheath.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 2, a kind of high temperature resistant high and cold video monitoring and electric power are carried composite cable, comprise stranded soft silk conductor 1, insulating barrier 2, aluminium foil 3, filled core 4, lapping layer 6, braid 7, oversheath 8 and low-voltage power core 5, behind described conductor 1 outsourcing insulation 2 again 3 shieldings of wrapped self-adhesion aluminium foil as the video heart yearn, outsourcing lapping layer 6 behind many video heart yearns and many low-voltage power core 5 strandings, in have filled core 4 to fill, filled core 4 is positioned at many heart yearn center gap, filled core 4 is high-strength anti-flaming aramid fiber thigh hank knotting, braid 7 shieldings are arranged outside the lapping layer 6, and the outside is wrapped oversheath 8 again.
In the present embodiment, described two video heart yearns and a low-voltage power core 5 are spaced, and wherein: the video heart yearn is four, and low-voltage power core 5 is two, and filled core 4 is positioned at six roots of sensation heart yearn center gap position.
The conductor 1 of described video heart yearn is meticulous stranded soft tinned copper wire or silver-gilt copper wire, metal layer thickness〉0.03mm, the data channel of low resistance high flow rate is provided for high-frequency pulse current; Conductor 1 corrosion resistance and good at high temperature is difficult for oxidation, and conductor 1 surface has good roundness and smoothness.
The insulating barrier 2 of described video heart yearn is coupling ethylene propylene rubber silastic mixture or polytetrafluoroethylene.This insulating barrier 2 has lower electromagnetic loss, higher tensile strength, good corrosion-resistant and heat resistance, guarantees low decay, Low ESR, the high definition of hyperfrequency data current, has guaranteed electric capacity and ripple ratio that product is stable simultaneously.The coupling ethylene propylene rubber silastic mixture has elasticity and pliability preferably, is applicable to the mobile occasion of installing of frequent bending; Polytetrafluoroethylene class fluoroplastic insulation material cost is higher, and heat resistance is better, moves to use and fixedly mount when using in low-intensity and all can use.Coupling ethylene propylene rubber silastic mixture Applicable temperature scope is-60 ℃～250 ℃, and polytetrafluoroethylene class fluoroplastics Applicable temperature scope is-60 ℃～300 ℃.Because the heat that self produces during cable work, insulating material still can keep pliability and intensity preferably when working under special low temperature below-60 ℃.
The aluminium foil 3 of described video heart yearn is the self-adhesion foil shielding layer, this screen be the shielding element of electromagnetic interference be again the outer conductor of video signal transmission, good self-adhesion closed structure makes product keep the good information laser propagation effect at high band, and key indexs such as cross-talk, decay, impedance are controlled in scope of design; These aluminium foil 3 screens provide perfect radioshielding system (aluminum foil thickness 0.07mm), guarantee that product does not have the electromagnetic interference influence at 600MHZ with super band; Self-adhesion aluminum foil shielded structure guarantees product when mobile bending is installed, and screen can not produce electromagnetic leakage because bending the shielding space occurs at the aluminium foil seam crossing.
Described video heart yearn adopts coaxial explained hereafter, and video monitoring signal transmission core adopts ripe manufacturing process, is convenient to modularization and installs, and reduces cost, saves preventive maintenance time.The video core has powerful vision signal transmitting function, can operate as normal in the high temperature psychro-environment.
The conductor of described low-voltage power core 5 is meticulous stranded soft tinned copper wire or silver-gilt copper wire, and the conductor outsourcing insulation is the coupling ethylene propylene rubber silastic mixture, and this insulating layer material has electrical insulation properties preferably, and resistance to elevated temperatures is better.Ethylene-propylene rubber silastic mixture resistance to elevated temperatures after crosslinked can be used in 200～250 ℃ of scopes, and resistance to low temperature is good, and minimum operating temperature can arrive-60 ℃ even lower.Low-voltage power core rated voltage U
0/ U: 300/300V(or 300/500V, 450/750V).The long-pending scope of power core cross-sectional area of conductor is 0.3～6.0mm
2
Described filled core 4 adopts high-strength anti-flaming aramid fiber thigh hank knotting, is positioned at the split conductor center gap, strengthens construction of cable stability, bears pulling force ability and fire resistance.This filled core 4 is again strengthening core, when mounted the aramid fiber strengthening core is fixed on the link, reduces load-bearing pulling force and the vibrations of work core, guarantee work core steady operation, prolong life of product, acutely rock at equipment, the core of working when shake can not break because of stressed.When subsea equipment is worked, can follow equipment and together enter the seabed, can bear the mobile pulling force that brings of the high-strength hydraulic pressure in seabed and equipment.The maximum temperature resistant range of the para-aramid fiber that filled core 4 adopts is-196 ℃～204 ℃, does not decompose, does not melt under 560 ℃ of high temperature; Have outstanding high strength, high-modulus performance, its intensity is 5～6 times of the high-quality steel, 3 times of glass, 2 times of high-strength nylon industry silk; Modulus is high-quality steel or glass fibre 2～3 times, 10 times of high-strength nylon industry silk.
Described lapping layer 6 is fire-resistant gluing glass fiber strap, wrapped when being used for stranding, when meeting fire burns, even the outer protective sleeve burning is on fire, because the inner existence that fireproof glass silk strap and wire sheathing are arranged, the internal work unit can catching fire yet, meets under the condition of a fire condition thereby guarantee to be equipped in, and has the enough time to dispose dangerous situation.
Described braid 7 is high temperature resistant aluminum-magnesium alloy wire or tinned copper wire braiding, this braid shielded armour has preferably structural stability (count〉80%), 30MHZ medium and low frequency impulse disturbances had good shield effectiveness, for product provides metal protection, braid 7 is smooth smooth, no burr and sleave guarantee that product has good anti-mechanical damage ability, stable structure and perfect shielding harness.
Described oversheath 8 is Flame-Retardant and Oil-Resistant heatproof cross-linked silicone rubber sheath, and its decay resistance is better, electric property is splendid, pliability is good, can satisfy the performance requirement that the armament-related work temperature difference is big, contact material corrosivity is strong and fire protection requirement is high.This section bar material is applied to the sheath of naval vessel, aviation electronics product, can guarantee that product can use in-60 ℃～250 ℃ scopes for a long time, can temporarily use in-80 ℃～300 ℃ operational environment.
The utility model is high temperature resistant, and high and cold video monitoring and electric power carry the composite cable external diameter between 2mm～25mm, can possess multicore video core simultaneously, have comprehensive functions such as monitor video transmission, and power supply is arranged with the cable conveying function, thereby reduced the equipment cost, be convenient to safeguard and install.The utility model is easy for installation, and is reasonable in design, and long service life is that the ideal of-60 ℃～250 ℃ of interval heatproof products is selected, and adapts to the Special Work environment of great equipments such as Aero-Space, naval vessel.
It below only is preferred embodiment of the present utility model; be not for limiting protection range of the present utility model; therefore, all any modifications of within spirit of the present utility model and principle, doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. a high temperature resistant high and cold video monitoring and electric power are carried composite cable, comprise stranded soft silk conductor (1), insulating barrier (2), aluminium foil (3), lapping layer (6), braid (7) and oversheath (8), it is characterized in that: described cable also comprises filled core (4) and low-voltage power core (5), behind described conductor (1) outsourcing insulation (2) more wrapped aluminium foil (3) shielding as the video heart yearn, outsourcing lapping layer (6) behind many video heart yearns and many low-voltage power cores (5) stranding, in have filled core (4) to fill, filled core (4) is positioned at many heart yearn center gap, filled core (4) is high-strength anti-flaming aramid fiber thigh hank knotting, lapping layer (6) is outer to have braid (7) to shield, and the outside is wrapped oversheath (8) again.
2. high temperature resistant high and cold video monitoring according to claim 1 and electric power are carried composite cable, and it is characterized in that: described two video heart yearns and a low-voltage power core are spaced.
3. high temperature resistant high and cold video monitoring according to claim 1 and 2 and electric power are carried composite cable, and it is characterized in that: described conductor (1) is meticulous stranded soft tinned copper wire or silver-gilt copper wire.
4. high temperature resistant high and cold video monitoring according to claim 1 and 2 and electric power are carried composite cable, and it is characterized in that: described insulating barrier (2) is polytetrafluoroethylene.
5. high temperature resistant high and cold video monitoring according to claim 1 and 2 and electric power are carried composite cable, and it is characterized in that: described lapping layer (6) is fire-resistant gluing glass fiber strap.
6. high temperature resistant high and cold video monitoring according to claim 1 and 2 and electric power are carried composite cable, it is characterized in that: described braid (7) is high temperature resistant aluminum-magnesium alloy wire or tinned copper wire braiding.
7. high temperature resistant high and cold video monitoring according to claim 1 and 2 and electric power are carried composite cable, and it is characterized in that: described oversheath (8) is Flame-Retardant and Oil-Resistant heatproof cross-linked silicone rubber sheath.
8. high temperature resistant high and cold video monitoring according to claim 1 and 2 and electric power are carried composite cable, and it is characterized in that: the conductor of described low-voltage power core (5) is meticulous stranded soft tinned copper wire or silver-gilt copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736888 CN203150158U (en) | 2012-12-28 | 2012-12-28 | High temperature-resistant and severe cold-resistant video monitoring and electric power transmission integration cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736888 CN203150158U (en) | 2012-12-28 | 2012-12-28 | High temperature-resistant and severe cold-resistant video monitoring and electric power transmission integration cable |
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| Publication Number | Publication Date |
|---|---|
| CN203150158U true CN203150158U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220736888 Expired - Fee Related CN203150158U (en) | 2012-12-28 | 2012-12-28 | High temperature-resistant and severe cold-resistant video monitoring and electric power transmission integration cable |
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| CN (1) | CN203150158U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646712A (en) * | 2013-12-23 | 2014-03-19 | 河南金水电缆集团有限公司 | Flame-retardant composite fireproof cable |
| CN107331462A (en) * | 2017-07-28 | 2017-11-07 | 杨幸 | A kind of anti-interference composite cable with Bionic wear-resisting effect |
| CN107578855A (en) * | 2017-09-09 | 2018-01-12 | 杨幸 | A kind of portable anti-interference data wire |
-
2012
- 2012-12-28 CN CN 201220736888 patent/CN203150158U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646712A (en) * | 2013-12-23 | 2014-03-19 | 河南金水电缆集团有限公司 | Flame-retardant composite fireproof cable |
| CN103646712B (en) * | 2013-12-23 | 2016-01-06 | 河南金水电缆集团有限公司 | A kind of flame-retardant composite fireproof cable |
| CN107331462A (en) * | 2017-07-28 | 2017-11-07 | 杨幸 | A kind of anti-interference composite cable with Bionic wear-resisting effect |
| CN107578855A (en) * | 2017-09-09 | 2018-01-12 | 杨幸 | A kind of portable anti-interference data wire |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |