CN212724770U - Rectangular towline control cable with anti-electromagnetic interference aramid fiber woven reinforcing layer - Google Patents
Rectangular towline control cable with anti-electromagnetic interference aramid fiber woven reinforcing layer Download PDFInfo
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- CN212724770U CN212724770U CN202021162504.0U CN202021162504U CN212724770U CN 212724770 U CN212724770 U CN 212724770U CN 202021162504 U CN202021162504 U CN 202021162504U CN 212724770 U CN212724770 U CN 212724770U
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Abstract
The utility model discloses an anti-electromagnetic interference aramid fiber weaves strengthening layer rectangle tow chain control cable, including oversheath, a plurality of heart yearn, it is a plurality of the heart yearn parcel is in the oversheath, the heart yearn includes conductor, inner insulating layer, shielding layer, inner insulating layer and outer insulating layer are resistant oily high temperature resistant low smoke and zero halogen fire-retardant irradiation crosslinked polyethylene insulating layer, the shielding layer is high electrically conductive graphite coating shielding layer, the oversheath is resistant oily fire-retardant low smoke and zero halogen irradiation crosslinked polyolefin oversheath, the conductor adopts high-purity special soft tinned copper wire of electrical industry or naked copper wire, and is a plurality of still be provided with the strengthening layer between heart yearn and the oversheath, it is a plurality of. The utility model discloses, inner insulating layer and outer insulating layer are resistant oily high temperature resistant low smoke and zero halogen flame retardant irradiation crosslinked polyethylene insulating layer, and the oversheath is resistant oily fire-retardant low smoke and zero halogen irradiation crosslinked polyolefin oversheath, and resistant sunshine, acid and alkali-resistance, resistant greasy dirt, flame retardant efficiency are good.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be anti-electromagnetic interference aramid fiber weaves strengthening layer rectangle tow chain control cable.
Background
The control cable for the existing common equipment has the following defects:
the common signal control cable for equipment adopts metal wire braided shielding or metal tape lapping shielding, so that the production cost is high and the production process is complicated;
the electromagnetic shielding layer made of metal materials is easy to corrode and lose efficacy in high-temperature, high-humidity and high-chemical-corrosion environments, such as reduction of mechanical strength, easy fracture, increase of metal resistance and the like;
the shielding layer braided by the metal wires has good shielding effect on strong electric field interference but has the problem of electromagnetic leakage on high-frequency and large-frequency-band electromagnetic field interference;
the metal wire braided shielding layer or the metal tape wrapping shielding structure is not compact, and the metal wire braided shielding layer or the metal tape wrapping shielding structure can easily become a channel for water to invade the cable in the field, so that the cable is corroded to influence high-frequency signal transmission or shorten the service life;
sunlight resistance, acid and alkali resistance, oil stain resistance, poor flame retardant effect and poor tension bearing capability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti-electromagnetic interference aramid fiber weaves strengthening layer rectangle tow chain control cable to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the rectangular towline control cable with the anti-electromagnetic interference aramid fiber woven reinforcing layer comprises an outer sheath and a plurality of core wires, wherein the core wires are wrapped in the outer sheath, the core wire comprises a conductor, an inner insulating layer and a shielding layer, the conductor is wrapped inside the inner insulating layer, the inner insulating layer is wrapped in the shielding layer, the shielding layer is positioned between the outer insulating layer and the inner insulating layer, the inner insulating layer and the outer insulating layer are both oil-resistant, high-temperature-resistant, low-smoke, halogen-free, flame-retardant, irradiation-crosslinked polyethylene insulating layers, the shielding layer is a high-conductivity graphite coating shielding layer, the outer sheath is an oil-resistant flame-retardant low-smoke halogen-free irradiation cross-linked polyolefin outer sheath, the conductor adopts special soft tinned copper wire or naked copper wire of high-purity electrical industry, and a plurality of still be provided with the strengthening layer between heart yearn and the oversheath, a plurality of the heart yearn parcel is in the strengthening layer.
Preferably, the shielding layer is uniformly and densely coated between the inner insulating layer and the outer insulating layer.
Preferably, the reinforcing layer is a high-strength flame-retardant aramid fiber woven reinforcing layer.
Preferably, the reinforcing layer is internally provided with a cable core formed by twisting a plurality of wire cores containing independent shielding layers.
Preferably, the outer sheath is a rectangular flat structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, still be provided with the strengthening layer between heart yearn and the oversheath, the conductor adopts the special soft tinned copper wire of high-purity electrical industry or naked copper wire simultaneously, bears the pulling force ability stronger, and the conductor adopts the special soft tinned copper wire of high-purity electrical industry or naked copper wire to have stronger electric conductive property;
2. the utility model discloses, the shielding layer is high conductive graphite coating shielding layer, low in production cost, simple process is difficult for being corroded inefficacy in the environment of high temperature, high humidity, high chemical corrosion, can shield high frequency big frequency channel electromagnetic field, and can not provide the space of invading cable for the water in the field;
3. the utility model discloses, inner insulating layer and outer insulating layer are resistant oily high temperature resistant low smoke and zero halogen flame retardant irradiation crosslinked polyethylene insulating layer, and the oversheath is resistant oily fire-retardant low smoke and zero halogen irradiation crosslinked polyolefin oversheath, and resistant sunshine, acid and alkali-resistance, resistant greasy dirt, flame retardant efficiency are good.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a conductor; 2. an inner insulating layer; 3. a shielding layer; 4. an outer insulating layer; 5. a reinforcing layer; 6. an outer sheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the rectangular towline control cable with the anti-electromagnetic interference aramid fiber woven reinforcing layer comprises an outer sheath 6 and a plurality of core wires, wherein the plurality of core wires are wrapped in the outer sheath 6 and comprise conductors 1, inner insulating layer 2, shielding layer 3, conductor 1 parcel is inside inner insulating layer 2, inner insulating layer 2 parcel is in shielding layer 3, still include outer insulating layer 4, shielding layer 3 is located between outer insulating layer 4 and inner insulating layer 2, inner insulating layer 2 and outer insulating layer 4 are resistant oily high temperature resistant low smoke zero halogen fire-retardant irradiation crosslinked polyethylene insulating layer, shielding layer 3 is high electrically conductive graphite coating shielding layer, oversheath 6 is resistant oily fire-retardant low smoke zero halogen irradiation crosslinked polyolefin oversheath, conductor 1 adopts special soft tinned copper wire or naked copper wire of high-purity electrical industry, still be provided with reinforcing layer 5 between a plurality of heart yearns and the oversheath 6, a plurality of heart yearns parcel is in reinforcing layer 5.
Specifically, the shielding layer 3 is uniformly and densely coated between the inner insulating layer 2 and the outer insulating layer 4.
In particular, the outer sheath 6 is a rectangular flat structure that is most suitable for use in moving a towline cable.
Specifically, the reinforcing layer 5 is a high-strength flame-retardant aramid fiber woven reinforcing layer, and not only has stronger tension bearing capacity, but also has good fire resistance.
Specifically, the reinforcing layer 5 is internally provided with a cable core formed by stranding a plurality of wire cores containing independent shielding layers.
The conductor 1 is a high-purity soft tinned copper wire or a bare copper wire special for the electrical industry, the conductor 1 has good conductivity and tensile strength, is suitable for being installed by users in a small space, has good flexibility, and prolongs the service life of a product;
the inner insulating layer 2 and the outer insulating layer 4 are made of oil-resistant, high-temperature-resistant, low-smoke, halogen-free, flame-retardant and irradiation cross-linked polyethylene insulating layers with excellent performances such as safety, environmental protection, good insulating property, small electromagnetic loss, high temperature resistance level and the like. The material has good electrical insulation performance. The oil-resistant characteristic of the cable enables the cable to be arranged in places with serious oil stains, such as kitchens, machine rooms, elevator rooms and the like.
The inner insulating layer 2 is coated with novel high-conductivity graphite powder to form a coating layer with an electromagnetic shielding function. The shielding layer can effectively shield high-frequency weak current signals. The method conforms to the idea of no electromagnetic radiation of green environmental protection advocated by modern life. The outer insulating layer 4 stably and reliably fixes the high-conductivity graphite coating shielding layer in the wire core.
The high-strength flame-retardant aramid fiber woven reinforcing layer 5 can enhance the structural stability, the tensile force bearing capacity and the fire resistance of the cable. When the installation can remove the high strength fire-retardant aramid fiber of oversheath 6 at both ends and weave reinforcement layer 5 and fix on adapting unit, reduce the bearing pulling force and the vibrations of work sinle silk, guarantee work sinle silk steady operation, extension product life can not break because of the atress when equipment shakes, shakes acutely.
The outer sheath 6 is a common oil-resistant flame-retardant low-smoke halogen-free irradiation cross-linked polyolefin outer sheath. The material has better flame retardant property. When a local fire occurs, the fire does not spread due to the burning of the cable.
The product outer sheath 6 is an oil-resistant flame-retardant low-smoke halogen-free irradiation cross-linked polyolefin outer sheath, has good ultraviolet irradiation resistance, and can be used in the field with strong sunlight for a long time.
The technical parameters are as follows:
rated operating voltage U0/U: 150V, 250V, 300/300V, 300/500V, 450/750V;
temperature range: the mobile working condition is-15 to 150 DEG C
Fixing working conditions: -30 ℃ to 150 ℃;
bending radius: the minimum cable upper and lower thickness under the mobile working condition is multiplied by 12;
fixing the minimum upper and lower thickness of the cable under the working condition multiplied by 6;
torsion range: max. +/-360 °/m;
effective bending times: 50 ten thousand times;
the signal control system is suitable for signal control systems of modern farms, modern homes, high-end equipment and office places, and is good in flexibility, integrated in function, convenient to install and maintain and low in application cost.
The product structure is very compact, and the cable can still normally work after being soaked in water for a long time.
In the application occasions where fire is easy to ignite, the product is produced by adopting flame retardant materials, so that the fire spreading is avoided.
The product is laid simple to operate, reduces user's purchasing cost through the design of function intensification, has really responded national supply side structure reform, has satisfied the demand of modern farm intelligence production life.
The environment-friendly and nontoxic high-conductivity graphite is used as a shielding material, so that the environment is protected, and information such as temperature, humidity, current intensity, equipment rotating speed and the like generated in the sensor can be timely and accurately transmitted to a management center.
The installation is convenient, and the mechanical properties such as wear resistance, impact resistance, tear resistance and the like are good. The bending resistance is good, and the normal current transmission can be carried out after 50 ten thousand moving bending.
The product has good properties of sunlight resistance, acid and alkali resistance, oil stain resistance, flame retardance and the like, and ensures that the product can normally work in special agricultural environments.
The intelligent air temperature and humidity monitoring system can meet the requirements of intelligent equipment on technical management of automatic detection of air temperature, humidity, equipment rotating speed, current intensity, video monitoring and the like.
The conductor is adopted according to IEC 60228: 2004 conductor of insulated cable standard electrician uses the copper stranded conductor, guarantee the good conductive ability of the product, electromagnetic signal transmission performance and convenient installation operation;
the inner and outer layer insulation of the wire core is made of oil-resistant, high-temperature-resistant, low-smoke, halogen-free and flame-retardant radiation cross-linked polyethylene insulation, and the thickness of the wire core insulation layer meets the standard of JB/T10491: 2004 crosslinked polyolefin insulated wires and cables with rated voltage of 450/750V and below. The material has good electrical insulation performance.
Depending on the current intensity of the power distribution, conductors of different cross-sectional areas may be selected as carriers for the current transport. This composite structure allows the product to both carry power on the equipment and transmit device control signals.
The inner layer is insulated and coated with novel high-conductivity graphite powder to form a coating layer with an electromagnetic shielding function. The coating layer is made into a uniform and compact electromagnetic shielding layer by utilizing the sensitivity of the graphite in the aspects of conductivity and electromagnetism and adopting a coating process. The shielding layer can effectively shield high-frequency weak current signals. The environment-friendly electromagnetic radiation-free life concept advocated by modern life is met.
The conductive graphite is an environment-friendly conductive material, has good conductivity, friction resistance and acid-base corrosion resistance, is widely used in occasions such as motor carbon brushes, dry battery electrodes and the like, and is an important conductive material in the electrical industry. The traditional metal shielding material is poor in chemical stability and easy to corrode, and in addition, gaps exist in metal braided shielding and metal tape lapping shielding, so that water invasion is possible.
The outer layer insulation outside the high-conductivity graphite coating shielding layer is insulated by adopting oil-resistant high-temperature-resistant low-smoke halogen-free flame-retardant irradiation crosslinking polyethylene. The outer layer insulation, in addition to serving as electrical insulation, also serves to solidify the highly conductive graphite coating shield layer. The oil-resistant characteristic of the cable enables the cable to be arranged in mechanical equipment, a machine room, a pumping station and the like with serious oil stains.
The high-strength flame-retardant aramid fiber woven reinforcing layer can enhance the structural stability, the tensile force bearing capacity and the fire resistance of the cable. Can fix the aramid fiber weaving layer on adapting unit when the installation, reduce the bearing pulling force and the vibrations of work sinle silk, guarantee work sinle silk steady operation, extension product life does not can not break because of the atress when equipping and violently rocking, vibrations.
The sheath layer adopts an oil-resistant flame-retardant low-smoke halogen-free irradiation cross-linked polyolefin outer sheath. The material is flame-retardant, oil-resistant and ultraviolet radiation-resistant. The product has good ultraviolet irradiation resistance, and can be used in field with strong sunlight for a long time. When the outer sheath is produced, an extrusion type production process is adopted, so that the product forms a compact structure to avoid water or oil contamination invasion. The product adopts a flame-retardant sheath material, and can effectively avoid fire from being delayed along the cable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Anti-electromagnetic interference aramid fiber weaves reinforcing layer rectangle tow chain control cable, including oversheath, a plurality of heart yearn, it is a plurality of the heart yearn parcel is in the oversheath, the heart yearn includes conductor, internal insulation layer, shielding layer, inside the internal insulation layer of conductor parcel, the internal insulation layer parcel is in the shielding layer, its characterized in that: still include the external insulation layer, the shielding layer is located between external insulation layer and the internal insulation layer, internal insulation layer and external insulation layer are resistant oily high temperature resistant low smoke and zero halogen flame retardant irradiation crosslinked polyethylene insulating layer, the shielding layer is high conductive graphite coating shielding layer, the oversheath is resistant oily fire-retardant low smoke and zero halogen irradiation crosslinked polyolefin oversheath, the conductor adopts special soft tinned copper wire of high-purity electrical industry or naked copper wire, and is a plurality of still be provided with the strengthening layer between heart yearn and the oversheath, it is a plurality of the heart yearn parcel is in the strengthening layer.
2. The rectangular towline control cable with the anti-electromagnetic interference aramid fiber woven reinforcing layer as claimed in claim 1, wherein: the shielding layer is uniformly and densely coated between the inner insulating layer and the outer insulating layer.
3. The rectangular towline control cable with the anti-electromagnetic interference aramid fiber woven reinforcing layer as claimed in claim 1, wherein: the reinforcing layer is a high-strength flame-retardant aramid fiber woven reinforcing layer.
4. The rectangular towline control cable with the anti-electromagnetic interference aramid fiber woven reinforcing layer as claimed in claim 1, wherein: the reinforcing layer is internally provided with a cable core formed by twisting a plurality of wire cores containing independent shielding layers.
5. The rectangular towline control cable with the anti-electromagnetic interference aramid fiber woven reinforcing layer as claimed in claim 1, wherein: the outer sheath is of a rectangular flat structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021162504.0U CN212724770U (en) | 2020-06-22 | 2020-06-22 | Rectangular towline control cable with anti-electromagnetic interference aramid fiber woven reinforcing layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021162504.0U CN212724770U (en) | 2020-06-22 | 2020-06-22 | Rectangular towline control cable with anti-electromagnetic interference aramid fiber woven reinforcing layer |
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| Publication Number | Publication Date |
|---|---|
| CN212724770U true CN212724770U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021162504.0U Active CN212724770U (en) | 2020-06-22 | 2020-06-22 | Rectangular towline control cable with anti-electromagnetic interference aramid fiber woven reinforcing layer |
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| Country | Link |
|---|---|
| CN (1) | CN212724770U (en) |
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- 2020-06-22 CN CN202021162504.0U patent/CN212724770U/en active Active
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