CN217113895U - Sheath windowing is from main forced air cooling armor power cable - Google Patents
Sheath windowing is from main forced air cooling armor power cable Download PDFInfo
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- CN217113895U CN217113895U CN202220965984.7U CN202220965984U CN217113895U CN 217113895 U CN217113895 U CN 217113895U CN 202220965984 U CN202220965984 U CN 202220965984U CN 217113895 U CN217113895 U CN 217113895U
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Abstract
The utility model relates to a sheath windowing is from main forced air cooling armor power cable, including wire, inoxidizing coating two, filler, windowing ferroaluminum wind chamber armor and oversheath, the wire is equipped with the stranded, the stranded the outside parcel of wire has inoxidizing coating two, the stranded the wire is located and is equipped with the filler in the clearance between the inoxidizing coating two insides, the ferroaluminum wind chamber armor of windowing is evenly installed to the outside of inoxidizing coating two, the external parcel of windowing ferroaluminum wind chamber armor has the oversheath. The utility model adopts an armor structure which can be windowed, realizes the flow of cold and hot air flow by the heat of the cable by the air cooling process, can achieve the purposes of releasing the heat in the cable in time, reducing the operating temperature of the cable, reducing the current loss and prolonging the service life of a power grid, and stably meets the intelligent power distribution requirement; the iron-aluminum alloy armor can effectively avoid external mechanical damage; the product has good electromagnetic shielding capability; the utility model discloses novel structure, low in production cost is fit for using widely.
Description
Technical Field
The utility model relates to a power cable specifically relates to a sheath is windowed and is decided forced air cooling armor power cable independently.
Background
The existing armored power cable has the following defects: when a high-power cable transmits current, a large amount of heat is generated due to alternating current resistance, and the heat is accumulated in the cable, so that the resistance of a conductor of the cable is rapidly increased to cause larger current loss, and the insulation of the cable is rapidly aged to influence the service life of the cable;
along with the release of smart power grid projects, the service life of a cable and even a power grid is prolonged, the work current-carrying capacity of the cable is improved, the direction of research of electrical engineers is changed, the power grid capable of self-cooling is a way for solving the problem, however, the installation of oil-cooling and water-cooling cables is complex, the risk of current collapse is large, and therefore the sheathed windowing autonomous air-cooling armored power cable is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a sheath windowing is independently forced air cooling armor power cable is provided, solve shortcoming and the problem that current armor power cable provided in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a sheath is windowed and is autonomic air-cooled armor power cable, includes wire, inoxidizing coating two, filler, windowing indisputable aluminum alloy wind chamber armor and oversheath, the wire is equipped with the stranded, the stranded the outside parcel of wire has inoxidizing coating two, the stranded the wire is located the clearance between two insides of inoxidizing coating and is equipped with the filler, the indisputable aluminum alloy wind chamber armor of windowing is evenly installed to the outside of inoxidizing coating two, the outside parcel of indisputable aluminum alloy wind chamber armor of windowing has the oversheath.
On the basis of the scheme, the wire comprises a conductor, a first insulating layer, a second insulating layer, a first shielding layer, a second shielding layer and a first protective layer, the first insulating layer is wrapped outside the conductor, the second insulating layer is wrapped outside the first insulating layer, the first shielding layer is wrapped outside the insulating layer, the second shielding layer is wrapped outside the insulating layer, the first shielding layer is wrapped outside the first shielding layer, and the first protective layer is wrapped outside the first shielding layer.
On the basis of the scheme, the conductor is made of high-purity copper wires special for the electrical industry, the first insulating layer is made of a cross-linked polyolefin insulating material with semi-conducting capacity, the second insulating layer is made of a high-voltage-resistant cross-linked polyethylene insulating material, the first shielding layer is made of a semi-conducting material cross-linked polyolefin shielding material capable of being peeled, the second shielding layer is made of a copper strip wrapping bag, and the first protective layer is made of a high-strength polypropylene strip wrapping bag.
On the basis of the scheme, the second protective layer is formed by wrapping a water-blocking tape.
On the basis of the scheme, the filler is filled by extruding high-water-resistance vulcanized natural rubber.
On the basis of the scheme, the windowing iron-aluminum alloy wind cavity armor comprises an oblate iron-aluminum alloy air-cooling wind cavity shell, a shell lug, a wind cavity windowing opening and a hot-melting film, wherein the middle of the oblate iron-aluminum alloy air-cooling wind cavity shell is provided with an air-cooling wind cavity body in a penetrating mode, the left side and the right side of the oblate iron-aluminum alloy air-cooling wind cavity shell are symmetrically and fixedly connected with the shell lug in an integrated mode, the wind cavity windowing opening is integrally formed in the top of the side, away from the protective layer II, of the oblate iron-aluminum alloy air-cooling wind cavity shell, and the hot-melting film is adhered to the outer portion of the oblate iron-aluminum alloy air-cooling wind cavity shell.
On the basis of the scheme, the oblate iron-aluminum alloy air-cooling air cavity shell is made of elastic iron-aluminum alloy.
On the basis of the scheme, the outer sheath is made of oil-resistant, mud-resistant, acid-alkali-resistant and vulcanized styrene butadiene rubber.
Compared with the prior art, the utility model beneficial effect who has is: a sheath windowing autonomous air-cooling armored power cable adopts an armored structure capable of windowing, adopts an air-cooling process to realize the flow of cold and hot air flows by means of the heat of the cable, can achieve the purposes of releasing the heat in the cable in time, reducing the operating temperature of the cable, reducing the current loss and prolonging the service life of a power grid, and stably meets the intelligent power distribution requirement; the iron-aluminum alloy armor can effectively avoid external mechanical damage; the product has good electromagnetic shielding capability; the utility model discloses novel structure, low in production cost is fit for using widely.
Drawings
Fig. 1 is a cross-sectional view of the self-cooling armored power cable with a window sheath of the present invention;
FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;
fig. 3 is a cross-sectional view of a wire of the self-cooling armored power cable with a window sheath of the present invention;
fig. 4 is a cross-sectional view of the windowing iron-aluminum alloy air cavity armor body of the sheath windowing autonomous air-cooling armored power cable of the present invention;
fig. 5 is a top view of the window iron-aluminum alloy wind cavity armor of fig. 4 according to the present invention.
The reference numbers in the figures are: the cable comprises a 1-wire, a 101-conductor, a 102-first insulating layer, a 103-second insulating layer, a 104-first shielding layer, a 105-second shielding layer, a 106-first protective layer, a 2-second protective layer, a 3-filler, a 4-windowing iron-aluminum alloy air cavity armor body, a 401-oblate iron-aluminum alloy air cooling air cavity shell, a 402-shell butt, a 403-air cooling air cavity, a 404-air cavity windowing, a 405-hot melt film and a 5-outer sheath.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 to 5, the sheath windowing autonomous air-cooling armored power cable comprises a wire 1, a second protective layer 2, a filler 3, a windowing iron-aluminum alloy air cavity armored body 4 and an outer sheath 5, wherein the wire 1 is provided with a plurality of strands, the protective layer 2 wraps the outer portion of the wire 1, the filler 3 is arranged in a gap between the inner portions of the second protective layer 2 of the wire 1, the windowing iron-aluminum alloy air cavity armored body 4 is uniformly installed on the outer portion of the second protective layer 2, and the outer sheath 5 wraps the outer portion of the windowing iron-aluminum alloy air cavity armored body 4.
The lead 1 comprises a conductor 101, a first insulating layer 102, a second insulating layer 103, a first shielding layer 104, a second shielding layer 105 and a first protective layer 106, the first insulating layer 102 wraps the outside of the conductor 101, the second insulating layer 103 wraps the outside of the first insulating layer 102, the first shielding layer 104 wraps the outside of the second insulating layer 103, the second shielding layer 105 wraps the outside of the first shielding layer 104, and the first protective layer 106 wraps the outside of the second shielding layer 105.
The conductor 101 is made of a high-purity copper wire special for the electrical industry, and can ensure good conductivity, electromagnetic signal transmission performance and convenient installation and operation of the product.
The insulating layer I102 is made of cross-linked polyolefin insulating materials with semi-conductive capability, in order to realize the homogenization of an electric field during the transmission of medium-high voltage current and avoid the concentration of an electromagnetic field to form insulation breakdown, a layer of insulating layer with semi-conductive capability is extruded outside the conductor, the layer of semi-conductive insulating layer plays a role in changing the electromagnetic distribution on the surface of the conductor, and the electromagnetic field generated on the outer surface of the insulating layer is more consistent with the electromagnetic characteristic of a cylindrical electric field relative to the electromagnetic field on the surface of the conductor.
The second insulating layer 103 is made of a high-voltage-resistant cross-linked polyethylene insulating material, and the electric insulation is made of the high-voltage-resistant cross-linked polyethylene insulating material, so that the high-voltage-resistant high-tension cable has the advantages of good voltage resistance, high tensile strength and good high-temperature resistance.
The first shielding layer 104 is made of a strippable semiconductive material crosslinked polyolefin shielding material, and a strippable semiconductive shielding layer is extruded outside the second insulating layer 103, so that the semiconductive shielding layer not only has the function of preventing the second insulating layer 103 from being mechanically damaged, but also has the function of homogenizing an electric field between the second shielding layer 105 and the second insulating layer 103.
The second shielding layer 105 is made of a copper strip in a wrapping mode, the copper strip shielding in the medium-high voltage cable can effectively reduce electric energy release to the outside, and peripheral electric appliances of the cable are protected from being damaged by electromagnetism.
The first protective layer 106 is formed by wrapping a high-strength polypropylene tape, and the high-strength polypropylene has high impact resistance, high mechanical property and high resistance to corrosion of various organic solvents and acid and alkali.
The second protective layer 2 is made of a water-blocking tape wrapping layer, and the water-blocking tape wrapping protective layer not only plays a role in absorbing water and expanding to prevent water from invading, but also plays a role in isolating the metal armor layer from the internal working wire core component.
The windowing iron-aluminum alloy air cavity armor body 4 comprises an oblate iron-aluminum alloy air cooling air cavity shell 401, a shell butt 402, an air cavity windowing 404 and a hot melt film 405, an air-cooled air cavity 403 is formed in the middle of the oblate iron-aluminum alloy air-cooled air cavity shell 401 in a penetrating manner, the left side and the right side of the oblate iron-aluminum alloy air cooling air cavity shell 401 are symmetrically and integrally fixedly connected with shell lugs 402, an air cavity open window 404 is integrally arranged at the top of one side of the oblate iron-aluminum alloy air cooling air cavity shell 401 far away from the protective layer II 2, a layer of hot melt film 405 is adhered to the outer part of the oblate iron-aluminum alloy air cooling air cavity shell 401, the oblate iron-aluminum alloy air cooling air cavity shell 401 is made of elastic iron-aluminum alloy, and the oblate iron-aluminum alloy air cooling air cavity shell 401 is made of elastic iron-aluminum alloy, so that the oblate iron-aluminum alloy air cooling air cavity shell has enough strength and elasticity to provide a cavity for protecting, cooling and ventilating cables; the surface of the automatic windowing iron-aluminum alloy wind cavity armor body 4 is provided with a layer of hot melt film 405, when the outer surface of the oblate iron-aluminum alloy air-cooling wind cavity shell 401 extrudes the outer sheath 5, the layer of hot melt film 405 can be heated and softened, the opened wind cavity windowing elastic sheet 404 on the oblate iron-aluminum alloy air-cooling wind cavity shell 401 can break through the constraint of the layer of hot melt film 405 to open a window, the wind cavity windowing elastic sheet 404 can break through the outer sheath 5 to realize the exchange of internal and external air flows, a non-hot melt film can be adopted as required, namely, the film is not softened and still constrains the wind cavity windowing elastic sheet 404 when passing through high temperature, and the outer sheath 5 and the wind cavity windowing elastic sheet 404 are manually opened by a cutter at a place suitable for windowing and ventilation.
The outer sheath 5 is made of oil-resistant, slurry-resistant, acid-alkali-resistant and vulcanized styrene butadiene rubber, and the oil-resistant, slurry-resistant, acid-alkali-resistant and vulcanized styrene butadiene rubber (or nitrile butadiene rubber) outer sheath material is selected according to working occasions, so that the product can keep the service life of more than 10 years in the environment with oil leakage, complex slurry components and strong water body corrosion.
The utility model discloses a principle and advantage: a sheath windowing autonomous air-cooling armored power cable provides a cable product capable of autonomous air cooling, can achieve the purposes of timely releasing the heat inside the cable, reducing the operating temperature of the cable, reducing the current loss and prolonging the service life of a power grid, and stably meets the intelligent power distribution requirement; the technical parameters of the product of the patent are as follows:
rated voltage of the power conducting wire core U0/U: 1.8/3, 3.6/6, 8.7/15 or 26/35 kV;
temperature range: moving the working condition to 15-125 ℃;
the fixed working condition is-30 ℃ to 125 ℃;
bending radius: minimum cable diameter x 25 for mobile operating conditions;
the minimum cable diameter is multiplied by 15 under fixed working conditions;
torsion range: max. + -90 °/m.
The utility model discloses can independently air-cooled cable product, can reach in time release cable inside heat, reduce cable operating temperature, reduce current loss, extension electric wire netting life's purpose, have obvious cost and quality advantage, rely on its installation convenient, characteristics such as operation maintenance cost low can become electric wire netting construction outstanding wiring product, can be used to intelligent electric power delivery, also can be applied to scenes such as the heavier cities and towns electric wire netting of security protection standard, cable load, naval vessel, mine, tunnel and traffic facilities construction, the utility model discloses structure scientific and reasonable, performance is good, and the cost of manufacture is low, is fit for using widely.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a sheath is windowed and is decided forced air cooling armor power cable independently, includes wire (1), inoxidizing coating two (2), filler (3), the iron-aluminum alloy wind chamber armor body (4) and oversheath (5) of windowing, its characterized in that: wire (1) is equipped with the stranded, the stranded the outside parcel of wire (1) has inoxidizing coating two (2), the stranded wire (1) is located and is equipped with filler (3) in the clearance between inoxidizing coating two (2) inside, the outside of inoxidizing coating two (2) is evenly installed and is windowed iron-aluminum alloy wind chamber armor body (4), the outside parcel of windowing iron-aluminum alloy wind chamber armor body (4) has oversheath (5).
2. The armored power cable with the self-cooling sheath window opening according to claim 1, wherein the conductor (1) comprises a conductor (101), a first insulating layer (102), a second insulating layer (103), a first shielding layer (104), a second shielding layer (105) and a first protection layer (106), the first insulating layer (102) wraps the conductor (101), the second insulating layer (103) wraps the first insulating layer (102), the first shielding layer (104) wraps the second insulating layer (103), the second shielding layer (105) wraps the first shielding layer (104), and the first protection layer (106) wraps the second shielding layer (105).
3. The self-air-cooling armored power cable with the sheath window as claimed in claim 2, wherein the conductor (101) is made of high-purity copper wire specially used for the electrical industry, the first insulating layer (102) is made of cross-linked polyolefin insulating material with semi-conductive capability, the second insulating layer (103) is made of high-pressure-resistant cross-linked polyethylene insulating material, the first shielding layer (104) is made of cross-linked polyolefin shielding material with semi-conductive material capable of being peeled, the second shielding layer (105) is made of copper tape wrapping, and the first protecting layer (106) is made of high-strength polypropylene tape wrapping.
4. The self-air-cooled armored power cable with the windowing sheath as claimed in claim 1, wherein the second protective layer (2) is made by wrapping a water-blocking tape.
5. The self-air-cooled armored power cable with a windowing sheath as claimed in claim 1, wherein the filler (3) is extruded and filled with high water resistance vulcanized natural rubber.
6. The self-air-cooling armored power cable with the windowing sheath as claimed in claim 1, wherein the windowing iron-aluminum alloy air cavity armor body (4) comprises an oblate iron-aluminum alloy air-cooling air cavity shell (401), a shell strap (402), an air cavity windowing (404) and a hot-melting film (405), an air-cooling air cavity (403) penetrates through the middle of the oblate iron-aluminum alloy air-cooling air cavity shell (401), the oblate iron-aluminum alloy air-cooling air cavity shell (401) is symmetrically and fixedly connected with the shell strap (402) in a left-right symmetrical mode, integral wind cavity windowing (404) is arranged at the top of one side, away from the protective layer two (2), of the oblate iron-aluminum alloy air-cooling air cavity shell (401), and the hot-melting film (405) is adhered to the outer portion of the oblate iron-aluminum alloy air-cooling air cavity shell (401).
7. The self-air-cooled armored power cable with a sheath window as claimed in claim 6, wherein the oblate type iron-aluminum alloy air-cooled air cavity shell (401) is made of iron-aluminum alloy with elasticity.
8. The self-air-cooling armored power cable with the sheath provided with the window as claimed in claim 1, wherein the outer sheath (5) is made of oil-resistant, mud-resistant and acid-alkali-resistant vulcanized styrene-butadiene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220965984.7U CN217113895U (en) | 2022-04-25 | 2022-04-25 | Sheath windowing is from main forced air cooling armor power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220965984.7U CN217113895U (en) | 2022-04-25 | 2022-04-25 | Sheath windowing is from main forced air cooling armor power cable |
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| Publication Number | Publication Date |
|---|---|
| CN217113895U true CN217113895U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220965984.7U Active CN217113895U (en) | 2022-04-25 | 2022-04-25 | Sheath windowing is from main forced air cooling armor power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217113895U (en) |
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- 2022-04-25 CN CN202220965984.7U patent/CN217113895U/en active Active
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