CN109903915A - A kind of light power cable - Google Patents
A kind of light power cable Download PDFInfo
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- CN109903915A CN109903915A CN201711306652.8A CN201711306652A CN109903915A CN 109903915 A CN109903915 A CN 109903915A CN 201711306652 A CN201711306652 A CN 201711306652A CN 109903915 A CN109903915 A CN 109903915A
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- power transmission
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- aluminium
- copper
- electric power
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Abstract
The invention discloses a kind of light power cables; including three electric power transmission leads; and telecommunication optical fiber is provided in the interstitial space that is collectively formed of three; several power transmission auxiliary conductors are provided in the interstitial space formed between three electric power transmission leads; the periphery of shielded layer is provided with protection overcoat, and several tension ropes being made of fiber filament extended longitudinally along the cable are provided in protection overcoat;Electric power transmission lead includes the copper wire of the aluminium wire core and tight aluminium wire core positioned at center portion, copper wire tight aluminium wire core by way of being closely wound;Shielded layer includes aluminium set and is closely attached to the first proof copper-wire braided net and the second proof copper-wire braided net of aluminium set from aluminium set two sides, and the first proof copper-wire braided net, the second proof copper-wire braided net are that thin copper wire braiding is formed and is closely attached in aluminium set by way of twisted.Light power cable disclosed in this invention, structure is simple, and metal material is easily recycled, high mechanical strength and power transmission capacity is strong.
Description
Technical field
The present invention relates to power cable technical field more particularly to a kind of light power cable and its control methods.
Background technique
It since China's economy grows continuously and fast, causes power supply very nervous, causes power infrastructures investment and build
If climax.Currently, in the power system, it is general in conventional electrical power cable generally using power cable as power transmission part
Power transmission is carried out using copper conductor or aluminium conductor, wherein the power transmission performance of copper conductor is better than aluminium conductor, still, China
It is that the country that copper resource lacks causes copper valence rapid increase with the cumulative year after year of cable copper consumption.In order to reduce the use of copper
Amount is widely used copper-clad aluminum conductor or copper clad steel and replaces pure copper wire in the prior art, copper-clad aluminum conductor be provided simultaneously with the electric conductivity of copper with
The small compound advantage of the density of aluminium, copper covered steel wire is then by the electric conductivity of copper together with the high strength bond of steel.But copper clad aluminum
There are copper aluminium, copper steels to be not readily separated for line, copper covered steel wire, causes recycling and reusing difficult, causes the significant wastage of resource.
Summary of the invention
In order to solve the technical problems in background technology, it the invention proposes a kind of light power cable, realizes
Optimization to power cable structure, structure is simple, and metal material is easily recycled, high mechanical strength and power transmission capacity is strong.
A kind of light power cable proposed by the present invention, including three electric power transmission leads, above-mentioned three power transmissions are led
The axis axis distribution triangular in shape of line is provided with telecommunication optical fiber in the interstitial space that three electric power transmission leads are collectively formed,
Be provided with several power transmission auxiliary conductors in the interstitial space formed between three electric power transmission leads, electric power transmission lead with
Power transmission auxiliary conductor is rolled into threadlike body by polymeric material, and the periphery of above-mentioned threadlike body is provided with shielded layer, shielded layer
Periphery be provided with protection overcoat, it is several anti-that being made of fiber filament of extending longitudinally along the cable is provided in protection overcoat
Drawstring;Electric power transmission lead includes the copper wire of the aluminium wire core and tight aluminium wire core positioned at center portion, and copper wire passes through close
The mode tight aluminium wire core of winding;Shielded layer includes aluminium set and is closely attached to the first bronze medal of aluminium set from aluminium set two sides
Silk mesh grid and the second proof copper-wire braided net, the first proof copper-wire braided net, the second proof copper-wire braided net are that thin copper wire braiding forms and passes through
Twisted mode is closely attached in aluminium set.
Preferably, the quantity of power transmission auxiliary conductor is 4.
Preferably, aluminium wire core is twisted by multiple aluminium wire.
Preferably, tension rope is located in protection overcoat close to shielded layer side.
Preferably, the quantity of tension rope is 4, and closes on the line of two tension ropes and cable geometric center in 90 °.
In the present invention, it is set as using three electric power transmission leads and by the axis axis of three electric power transmission leads in three
Angular distribution, to, so that three electric power transmission leads are not easily shifted, can effectively promote electricity using triangle stability principle
The mechanical strength of cable, and the telecommunication optical fiber being located in the interstitial space that three electric power transmission leads are collectively formed, electric power can be protected
Transfer wire is formed using copper wire tight aluminium wire core, can utilize aluminum steel on the basis of keeping good electric conductivity
The small advantage of density, reduces the weight of cable, by the way that the tension rope being made of fiber filament is arranged in protection overcoat, can be promoted
The tensile strength of cable;Power transmission auxiliary conductor is set in the interstitial space formed between three electric power transmission leads, it can
According to the actual situation, to select different power transmission modes: 1, when cable as three phase mains cable in use, by three electric power
Transfer wire is as three-phase conductor, respectively as firewire, zero curve and ground line;2, when cable is used as single phase poaer supply cable
When, two electric power transmission leads are connected to form parallel line in joint, meanwhile, by all power transmission auxiliary conductor with
Another electric power transmission lead is connected to form parallel line in joint, so as to promote the current-carrying capacity of power transmission;Electric power
In transfer wire, copper wire tight aluminium wire core, in shielded layer, the first proof copper-wire braided net and the second proof copper-wire braided net are closely attached
In the design structure in aluminium set so that after wiping out protection overcoat and polymeric material, can be convenient when carrying out cable recycling
Proof copper-wire braided net, aluminium set, copper wire, aluminium wire core are separated from each other, be conducive to recycling and reusing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of light power cable proposed by the present invention.
Specific embodiment
As shown in FIG. 1, FIG. 1 is a kind of structural schematic diagrams of light power cable proposed by the present invention.
Referring to Fig.1, a kind of light power cable proposed by the present invention, including three electric power transmission leads 1, above-mentioned three electricity
The axis axis distribution triangular in shape of power transfer wire 1 is provided in the interstitial space that three electric power transmission leads 1 are collectively formed
Telecommunication optical fiber 7 is provided with several power transmission auxiliary conductors 2 in the interstitial space formed between three electric power transmission leads 1, electricity
Power transfer wire 1 and power transmission auxiliary conductor 2 pass through polymeric material 3 and are rolled into threadlike body, the periphery setting of above-mentioned threadlike body
There is shielded layer 4, the periphery of shielded layer 4 is provided with protection overcoat 5, is provided in protection overcoat 5 and extends longitudinally along the cable
Several tension ropes 6 being made of fiber filament;Electric power transmission lead 1 includes the aluminium wire core 11 and tight aluminium wire positioned at center portion
The copper wire 12 of core 11, the tight aluminium wire core 11 by way of being closely wound of copper wire 12, wherein aluminium wire core 11 is by more
Root aluminium wire is twisted;Shielded layer 4 includes aluminium set 42 and compiles from the first copper wire that 42 two sides of aluminium set are closely attached to aluminium set 42
Knitmesh 41 and the second proof copper-wire braided net 43, the first proof copper-wire braided net 41, the second proof copper-wire braided net 43 be thin copper wire braiding form and
It is closely attached in aluminium set 42 by way of twisted.
In the above-mentioned technical solutions, using three electric power transmission leads 1 and by the axis axis of three electric power transmission leads 1
It is set as distribution triangular in shape, thus using triangle stability principle, so that three electric power transmission leads 1 are not easily shifted, it can
Effectively to promote the mechanical strength of cable, and it can protect and be located in the interstitial space that three electric power transmission leads 1 are collectively formed
Telecommunication optical fiber 7, electric power transmission lead 1 can keep good conduction using the formation of 12 tight aluminium wire core 11 of copper wire
Property on the basis of, using the small advantage of aluminum steel density, reduce the weight of cable, by protection overcoat 5 be arranged by fiber filament
The tension rope 6 of composition, can promote the tensile strength of cable;In the interstitial space formed between three electric power transmission leads 1
Power transmission auxiliary conductor 2 is set, different power transmission modes can be selected according to the actual situation: 1, when cable is as three-phase
Feed cable is in use, regard three electric power transmission leads 1 as three-phase conductor, respectively as firewire, zero curve and ground line;2, when
Cable as single phase poaer supply cable in use, two electric power transmission leads 1 are connected to form parallel line in joint, meanwhile,
All power transmission auxiliary conductors 2 are connected to form parallel line with another electric power transmission lead 1 in joint, so as to
To promote the current-carrying capacity of power transmission;In electric power transmission lead 1,12 tight aluminium wire core 11 of copper wire, in shielded layer 4,
One proof copper-wire braided net 41 and the second proof copper-wire braided net 43 are closely attached to the design structure in aluminium set 42, so that returning carrying out cable
Time receiving, after protection overcoat 5 and polymeric material 3 are wiped out, it may be convenient to by the first proof copper-wire braided net 41, aluminium set 42, the second bronze medal
Silk mesh grid 43, copper wire 12, aluminium wire core 11 are separated from each other, and are conducive to recycling and reusing.
In specific design process, the quantity of power transmission auxiliary conductor 2 is 3.
It is 3 by the quantitative design of power transmission auxiliary conductor 2 under above-mentioned Curve guide impeller, can additionally obtains more
Power transmission mode: 1, when cable as three phase mains cable use and need lesser current-carrying capacity, three electric power is selected to pass
Defeated auxiliary conductor 2 is used as three-phase conductor, respectively as firewire, zero curve and ground line;2, when cable makes as single phase poaer supply cable
With and when needing lesser current-carrying capacity, can choose two power transmission auxiliary conductors 2 and be used as firewires, zero curve;Therefore, Ke Yijin
Step refining power transmission mode improves the applicability under complicated requirement.
In specific design process, tension rope 6 is located in protection overcoat close to 4 side of shielded layer.
Under above-mentioned Curve guide impeller, the influence to the wear-resisting effect of protection overcoat can be prevented, and can be to the mill of protection overcoat
Damage plays the role of warning.
In specific design process, the quantity of tension rope 6 is 4, and closes on two tension ropes 6 and cable geometric center
Line is in 90 °.
Under above-mentioned Curve guide impeller, tension rope 6 significantly more efficient can play a role under this distribution mode.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of light power cable, which is characterized in that including three electric power transmission leads (1), above-mentioned three power transmissions are led
The axis axis distribution triangular in shape of line (1) is provided with communication in the interstitial space that three electric power transmission leads (1) are collectively formed
Optical fiber (7) is provided with several power transmission auxiliary conductors (2) in the interstitial space formed between three electric power transmission leads (1),
Electric power transmission lead (1) and power transmission auxiliary conductor (2) pass through polymeric material (3) and are rolled into threadlike body, above-mentioned threadlike body
Periphery is provided with shielded layer (4), and the periphery of shielded layer (4) is provided with protection overcoat (5), and protection overcoat is provided in (5) along electricity
Several tension ropes (6) being made of fiber filament that cable length direction extends;Electric power transmission lead (1) includes the aluminium wire positioned at center portion
The copper wire (12) of core (11) and tight aluminium wire core (11), copper wire (12) tight aluminium by way of being closely wound
Silk thread core (11);Shielded layer (4) includes aluminium set (42) and is closely attached to the first bronze medal of aluminium set (42) from aluminium set (42) two sides
Silk mesh grid (41) and the second proof copper-wire braided net (43), the first proof copper-wire braided net (41), the second proof copper-wire braided net (43) are thin copper
Silk (12) braiding is formed and is closely attached on aluminium set (42) by way of twisted.
2. light power cable according to claim 1, which is characterized in that the quantity of power transmission auxiliary conductor (2) is 3
Root.
3. light power cable according to claim 1, which is characterized in that aluminium wire core (11) be twisted by multiple aluminium wire and
At.
4. light power cable according to claim 1, which is characterized in that tension rope (6), which is located in protection overcoat (5), to be leaned on
Close shield layer side.
5. light power cable according to claim 1 or 4, which is characterized in that the quantity of tension rope (6) is 4, and is faced
The line of nearly two tension ropes (6) and cable geometric center is in 90 °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711306652.8A CN109903915A (en) | 2017-12-11 | 2017-12-11 | A kind of light power cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711306652.8A CN109903915A (en) | 2017-12-11 | 2017-12-11 | A kind of light power cable |
Publications (1)
Publication Number | Publication Date |
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CN109903915A true CN109903915A (en) | 2019-06-18 |
Family
ID=66942069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711306652.8A Withdrawn CN109903915A (en) | 2017-12-11 | 2017-12-11 | A kind of light power cable |
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CN (1) | CN109903915A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112271015A (en) * | 2020-09-23 | 2021-01-26 | 上海天诚通信技术股份有限公司 | Enhanced one-to-one Ethernet twisted pair |
CN112271014A (en) * | 2020-09-23 | 2021-01-26 | 上海天诚通信技术股份有限公司 | Foaming type one-to-one Ethernet twisted pair |
-
2017
- 2017-12-11 CN CN201711306652.8A patent/CN109903915A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112271015A (en) * | 2020-09-23 | 2021-01-26 | 上海天诚通信技术股份有限公司 | Enhanced one-to-one Ethernet twisted pair |
CN112271014A (en) * | 2020-09-23 | 2021-01-26 | 上海天诚通信技术股份有限公司 | Foaming type one-to-one Ethernet twisted pair |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190618 |
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WW01 | Invention patent application withdrawn after publication |