CN206849527U - With anti-electricity-theft, communication function Special composite electric cable - Google Patents
With anti-electricity-theft, communication function Special composite electric cable Download PDFInfo
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- CN206849527U CN206849527U CN201720439996.5U CN201720439996U CN206849527U CN 206849527 U CN206849527 U CN 206849527U CN 201720439996 U CN201720439996 U CN 201720439996U CN 206849527 U CN206849527 U CN 206849527U
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- core
- control signal
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- copper conductor
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Abstract
It is a kind of that there is anti-electricity-theft, communication function Special composite electric cable, it is characterized in that by cable core (9) first wrapped floor height intensity twining package tape (10), then extrude oversheath (11) composition outside；The structure of the cable core (9) includes master core (3), control signal core (8) and conductive core (4)；Master core (3) is centrally located, and control signal core (8), conductive core (4) and filling (5) are twisted around master core (3)；The conductive core (4) has more, and they are into axial symmetry；Control signal core (8) has more, they be divided into it is multigroup, respectively between adjacent conductive core (4)；It is vacant by filling (5) supplement if the quantity of control signal core (8) in every group；Control signal core (8), conductive core (4) are identical with the external diameter of filling (5).This cable has excellent electric property, possesses good stability and resistance to cracking in environment out of doors, and any one side of cable can be identified quickly when running into destruction.
Description
Technical field
A kind of compound cable is the utility model is related to, more particularly to a kind of anti-electricity-theft composite cable, belongs to cable technology
Field.
Background technology
Due to rising suddenly and sharply for copper material price, cable is caused to be stolen phenomenon more and more serious.Report Haikou Area is netted with the South Sea to steal
Thief's driving power stealing line, theft cable phenomenon take place frequently, and have 20 cables to be stolen phenomenon in one month when most.Service cable
The stolen cost input that not only increase only Utilities Electric Co., has even more had a strong impact on the normal life daily life of resident, while also tight
The stability of social security is have impact on again.
The content of the invention
In order to ensure that cable had both possessed the function of transmission electric energy or signal, have to possess and overcome common wiring cable easily stolen
Risk, anti-electricity-theft composite cable will have following performance requirement：
1) control signal and antitheft, security function can be conveyed while meeting to transmit electric power.
2) good electric property, is subjected to the experiment of 5.0kV ac voltage withstandings, and cable does not puncture；
3) good ageing resistace, insulation and sheath need to be subjected to 135 DEG C, 7 days degradations；
4) good environmental stress resistance:The resisting environmental stress and cracking time is no less than 500h；
5) good artificial ageing resistance performance；
6) good resistance to low temperature：It disclosure satisfy that -76 DEG C of low-temperature impact embrittlement.
The technical scheme of this cable is：It is a kind of that there is anti-electricity-theft, communication function Special composite electric cable, by first outside cable core 9
Wrapped floor height intensity twining package tape 10, then extrude oversheath 11 and form；The external diametrical extent of cable is 10-15mm；
The structure of the cable core 9 includes master core 3, control signal core 8 and conductive core 4；Master core 3 is centrally located,
Control signal core 8, conductive core 4 and filling 5 are twisted around master core 3；The conductive core 4 has more, and they are into axial symmetry；Control
Signal core 8 has more, they be divided into it is multigroup, respectively between adjacent conductive core 4；If the number of control signal core 8 in every group
Amount, then it is vacant by the supplement of filling 5；Control signal core 8, conductive core 4 are identical with the external diameter of filling 5；
Master core 3 is by the first annealing bare copper conductor 1 and the structure of the first insulating barrier 2 being coated on the first annealing bare copper conductor 1
Into；
Control signal core 8 is by the second annealing bare copper conductor 6 and the second insulating barrier being coated on the second annealing bare copper conductor 6
7 are formed；
Conductive core 4 is made up of 1 bare copper conductor；
First and second insulating barrier is all to extrude the insulating barrier formed by low density polyethylene (LDPE) Insulation Material；First and
The thickness of two insulating barriers is all 0.5~1.0mm；
The oversheath 11 is that (such as the trade mark gathers for HM460 by weatherability, environmental stress resistance type medium density polyethylene material
Alkene) extrude the oversheath of composition；The nominal thickness of oversheath is 1.2~2.0mm.
Further, the first annealing bare copper conductor 1 is by the twisted 2 class conductors formed of more copper wires, single copper wire
Diameter be no more than 2.14mm, the twisted lay ratio of bare copper conductor is 20~25 times, and internal layer lay ratio is not more than 25 times when twisting again,
Outer layer lay ratio is not more than 20 times；Conductive core 4 is made up of single copper wire, and the diameter of single copper wire is no more than 2.78mm；
Further, first and second insulating barrier is all exhausted by resistance to -40 DEG C of low forms low density polyethylene (LDPE) of environment-friendly type
Edge material extrudes the insulating barrier of composition.
Further, the high intensity twining package tape nominal thickness is 0.04~0.1mm；The cap rate of high intensity twining package tape 10
Scope 25%-30%.
Further, described bare copper conductor is twisted by more soft copper silks.
Described bare copper conductor according to the difference in size of sectional area by make it that each layer of monofilament direction of lay is inconsistent, outermost
Layer direction of lay is left-hand, and the direction of lay of adjacent layer is opposite.
The principle of this cable is that, in order to meet above-mentioned function and performance, this Special composite electric cable mainly includes power cable
(master core), control cable (i.e. control signal core, the communication for signal), conductive core three parts, cable core extrude one layer outside
Medium density polyethylene sheath with excellent resisting environmental stress and cracking.
The anti-electricity-theft mainly following principle of this cable：Because the cable outermost layer is that have conductive core 4 and control signal core 8
And the arrangement of filling 5 forms, and conductive core arrangement is set using the design of triangle disposition symmetrical structure and cable normal course of operation
Middle conductive core is constantly in logical light current.Cable is stolen cut after, the potential of conductive core position reduces, the controller switching equipment inspection along cable
Voltage drop is measured, cuts off electrical source of power and signal of communication (control signal core), and starts prepared auto restart mechanism, reduces dangerous system
Number.Meanwhile line attendant is checked between specific interruption, repaired, and the geographic range for tracking down and arresting stealer is reduced in alarm.
Symmetrically and evenly design arranged evenly ensure that any one side of cable can be identified quickly when running into destruction to conductive core.
To ensure that anti-electricity-theft Special composite electric cable both has good electric property, resistance to low temperature, artificial ageing resistance
There can be lighter cable weight again.
In order to ensure that cable has the requirement of excellent electric insulating quality and weatherability, insulating barrier preferentially selects environment-friendly type
Resistance to -40 DEG C of low forms low density polyethylene (LDPE) insulating materials, polyethylene insulation not only possess excellent electric property, more standby good
Heat aging property, can still possess good mechanical thing under the aging condition of 10 days test periods of 110 DEG C of environment temperature
Rationality energy.While product electric property is met, reduce appearance and size as far as possible.
Oversheath is extruded and formed from weatherability, environmental stress resistance type medium density polyethylene material, has both ensured that sheath possesses
Good mechanical performance, by with excellent resistance to low temperature and ESCR performance.
Through overtesting, this cable is entirely capable of meeting above-mentioned 6 functions and performance requirement, and this cable is applied to industrial and mining enterprises, smelting
Jin Chang and construction site or other operations are wide and can not take the place that personnel keep an eye on always.
Brief description of the drawings
Fig. 1 is the structural representation of anti-electricity-theft Special composite electric cable.
In figure：Main line core conductor 1, main line core insulation 2, master core 3, conductive core 4, fill out core 5, control signal core conductor 6, control
Signal core insulation 7 processed, control signal core 8, cable core 9, lapping layer 10, external sheath layer 11.
Embodiment
Below in conjunction with the accompanying drawings and instantiation, the utility model is described in more detail.
It is a kind of that there is anti-electricity-theft, communication function Special composite electric cable such as Fig. 1, by first wrapped floor height intensity outside cable core 9
Twining package tape 10, then extrude oversheath 11 and form；The external diametrical extent of cable is 10-15mm.The structure of the cable core 9 includes master core
3rd, control signal core 8 and conductive core 4；Master core 3 is centrally located, and control signal core 8, conductive core 4 and filling 5 surround main line
Core 3 is twisted；The conductive core 4 has more, and they are into axial symmetry；Control signal core 8 has more, and they are divided into multigroup, difference position
Between adjacent conductive core 4；It is vacant by the supplement of filling 5 if the quantity of control signal core 8 in every group；Control signal
Core 8, conductive core 4 are identical with the external diameter of filling 5；Master core 3 is by the first annealing bare copper conductor 1 and is coated on the first annealing naked copper and leads
The first insulating barrier 2 on body 1 is formed；Control signal core 8 is by the second annealing bare copper conductor 6 and is coated on the second annealing bare copper conductor
The second insulating barrier 7 on 6 is formed；Conductive core 4 is made up of 1 bare copper conductor；First and second insulating barrier is all by low close
Degree insulating material of polyethylene extrudes the insulating barrier of composition；The thickness of first and second insulating barriers is all 0.5~1.0mm；The outer shield
Set 11 is to extrude the oversheath formed by weatherability, environmental stress resistance type medium density polyethylene material；The nominal thickness of oversheath
For 1.2~2.0mm.
In this example, the first annealing bare copper conductor 1 is to be twisted the 2 class conductors formed by more copper wires, single copper wire
Diameter is no more than 2.14mm, and the twisted lay ratio of bare copper conductor is 20~25 times, and internal layer lay ratio is not more than 25 times when twisting again, outside
Layer lay ratio is not more than 20 times；Conductive core 4 is made up of single copper wire, and the diameter of single copper wire is no more than 2.78mm.Described
One and second insulating barrier be all that the insulating barrier formed is extruded by resistance to -40 DEG C of low forms low density polyethylene (LDPE) Insulation Material of environment-friendly type.Institute
It is 0.04~0.1mm to state high intensity twining package tape nominal thickness；The cap rate scope of high intensity twining package tape 10 is 25%-30%.Institute
The bare copper conductor stated is twisted by more soft copper silks.
Anti-electricity-theft Special composite electric cable in this example is 3 groups of conductive protection structures (3 conductive core distribution equalizing structure).In reality
In production, the cable of 4 groups or 5 groups conductive protection structures can be also designed according to actual requirement.
Claims (5)
1. a kind of have anti-electricity-theft, communication function Special composite electric cable, it is characterized in that first a wrapped floor height is strong outside by cable core (9)
Twining package tape (10) is spent, then extrudes oversheath (11) composition；The external diametrical extent 10-15mm of cable；
The structure of the cable core (9) includes master core (3), control signal core (8) and conductive core (4)；Master core (3) is positioned at centre
Position, control signal core (8), conductive core (4) and filling (5) are twisted around master core (3)；The conductive core (4) has more, it
Into axial symmetry；Control signal core (8) has more, they be divided into it is multigroup, respectively between adjacent conductive core (4)；It is if every
The quantity of control signal core (8) in group, then it is vacant by filling (5) supplement；Control signal core (8), conductive core (4) and filling
(5) external diameter is identical；
Master core (3) is by the first annealing bare copper conductor (1) and the first insulating barrier being coated on the first annealing bare copper conductor (1)
(2) form；
Control signal core (8) is by the second annealing bare copper conductor (6) and the second insulation being coated on the second annealing bare copper conductor (6)
Layer (7) is formed；
Conductive core (4) is made up of 1 bare copper conductor；
First and second insulating barrier is all to extrude the insulating barrier formed by low density polyethylene (LDPE) Insulation Material；First and second is exhausted
The thickness of edge layer is all 0.5~1.0mm；
The oversheath (11) is to extrude the oversheath formed by weatherability, environmental stress resistance type medium density polyethylene material；Outside
The nominal thickness of sheath is 1.2~2.0mm.
2. Special composite electric cable according to claim 1, it is characterized in that the first annealing bare copper conductor (1) is by more
The twisted 2 class conductors formed of copper wire, the diameter of single copper wire are no more than 2.14mm, and the twisted lay ratio of bare copper conductor is 20~25
Times, internal layer lay ratio is not more than 25 times when twisting again, and outer layer lay ratio is not more than 20 times；
Conductive core (4) is made up of single copper wire, and the diameter of single copper wire is no more than 2.78mm.
3. Special composite electric cable according to claim 1, it is characterized in that first and second insulating barrier is all by environmental protection
Resistance to -40 DEG C of low forms low density polyethylene (LDPE) Insulation Material of type extrudes the insulating barrier of composition.
4. Special composite electric cable according to claim 1, it is characterized in that the high intensity twining package tape nominal thickness is 0.04
~0.1mm；The cap rate scope of high intensity twining package tape (10) is 25%-30%.
5. Special composite electric cable according to claim 1, it is characterized in that described bare copper conductor is twisted by more soft copper silks
Conjunction forms；Outermost layer direction of lay is left-hand, and the direction of lay of adjacent layer is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439996.5U CN206849527U (en) | 2017-04-24 | 2017-04-24 | With anti-electricity-theft, communication function Special composite electric cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439996.5U CN206849527U (en) | 2017-04-24 | 2017-04-24 | With anti-electricity-theft, communication function Special composite electric cable |
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| Publication Number | Publication Date |
|---|---|
| CN206849527U true CN206849527U (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720439996.5U Active CN206849527U (en) | 2017-04-24 | 2017-04-24 | With anti-electricity-theft, communication function Special composite electric cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735376A (en) * | 2018-05-25 | 2018-11-02 | 江苏中利集团股份有限公司 | A kind of concentric-conductor power cable with self-monitoring function |
-
2017
- 2017-04-24 CN CN201720439996.5U patent/CN206849527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735376A (en) * | 2018-05-25 | 2018-11-02 | 江苏中利集团股份有限公司 | A kind of concentric-conductor power cable with self-monitoring function |
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