CN203562236U - Medium-voltage lead sheath cable - Google Patents

Medium-voltage lead sheath cable Download PDF

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Publication number
CN203562236U
CN203562236U CN201320756913.7U CN201320756913U CN203562236U CN 203562236 U CN203562236 U CN 203562236U CN 201320756913 U CN201320756913 U CN 201320756913U CN 203562236 U CN203562236 U CN 203562236U
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China
Prior art keywords
layer
cable
lead sheath
conductor
medium
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Active
Application number
CN201320756913.7U
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Chinese (zh)
Inventor
刘威
罗艳
周云峰
冯咏生
易元
邢春雨
张广柱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Shangshang Cable Group Co Ltd
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Jiangsu Shangshang Cable Group Co Ltd
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Priority to CN201320756913.7U priority Critical patent/CN203562236U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The utility model relates to a medium-voltage lead sheath cable. The technical scheme is that the medium-voltage lead sheath cable comprises three power wire cores (15) and a filling material (6), and the three power wire cores (15) and the filling material (6) are stranded to form a cable core (16); each power wire core (15) is formed by a conductor (1), a conductor shielding layer (2), an insulating layer (3), an insulation shielding layer (4) and a metal shielding layer (5); and a 1# wrapping layer (7), an inner liner layer (8), a 2# wrapping layer (9), a lead sheath (10), an isolating layer (11), an armor layer (12), a 3# wrapping layer (13) and an outer sheath (14) are successively disposed outside the cable core (16). By adoption of the technical scheme, the medium-voltage lead sheath cable is good in protection performance.

Description

Middle lead extrusion jacketed cable
Technical field
The utility model relates to a kind of medium-pressure power cable, particularly a kind of midium voltage cable that contains lead sheath.The utility model belongs to cable processing and manufacturing technical field.
Background technology
Wires and cables industry is the important supporting industry of electric power and the two large pillar industries in national economy of communicating by letter, and has consequence in national economy.
With lead, manufacturing power cable sheath is prior art, as Chinese patent notification number CN2193585Y, disclose a kind of power cable with polyvinyl-chloride insulating lead sleeve, and it is wrapped heat insulation inner cushion layer outside stranding is filled, and at inner cushion layer, pushes with lead alloy oversheath outward again.
Adopt lead sheath to have a series of benefits, as:
(1) lead sheath has complete impermeability, can prevent reliably the intrusion of moisture and moisture, good seal performance;
(2) plumbous melting point is low, and 327.5 ° of C can not make paper insulation overheated and damage in manufacturing lead sheath process.Plumbous when being heated to 200 ° of C left and right, semi-liquid stage, at lower temperature, just can be squeezed into sealing sheath, thereby make lead extrusion technique fairly simple, while sealing welding technique for extra is also very convenient;
(3) corrosion resistance and good.Plumbous inoperative to dilute sulfuric acid and hydrochloric acid, only there are nitric acid, acetic acid, carbolic acid and some organic rot can play corrosiveness to plumbous;
(4) good toughness of lead sheath, does not affect the flexibility of cable.
But existing lead sheathed cable is simple in structure, barrier propterty is general.
Summary of the invention
The purpose of this utility model is for deficiency of the prior art, and the middle lead extrusion jacketed cable that a kind of barrier propterty is high is provided.
For achieving the above object, the utility model by the following technical solutions: a kind of middle lead extrusion jacketed cable, it includes three power cores and filler, three power cores and filler are twisted into cable core, wherein:
Any described power core consists of conductor, conductor shield, insulating barrier, insulation screen and metal screen layer, and conductor shield, insulating barrier, insulation screen are three-layer co-extruded on conductor, metal screen layer coated insulation screen;
Described cable core is provided with 1# lapping layer, inner covering, 2# lapping layer, lead sheath, separator, armour, 3# lapping layer and oversheath outward successively.
Further, described insulating barrier is XLPE insulating barrier.
Further, described metal screen layer is copper strip shielding layer.
Adopt the beneficial effect after technique scheme:
1, armour inner side extrudes lead sheath, by this structural design, can allow armour have better protective action to lead layer; By the design of separator, overcome in armouring process lead sheath is weighed wounded simultaneously.Oversheath is protected whole cable, further improves barrier propterty.The design of inner covering and 2# lapping layer, can not cause to power core the oxidative phenomena of damage or metal screen layer in the process that guarantees to extrude at plumbous high temperature.
2, adopt lead sheath as inner sheath, can well guarantee the radially water resistance of cable, guarantee that cable can lay for deep water.
3, three power line cored structures, meet medium voltage electricity and carry requirement; Copper strip shielding layer, guarantees shield effectiveness; XLPE insulating barrier guarantees insulation effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, conductor, 2, conductor shield, 3, insulating barrier, 4, insulation screen, 5, metal screen layer, 6, filler, 7,1# lapping layer, 8, inner covering, 9,2# lapping layer, 10, lead sheath, 11, separator, 12, armour, 13,3# lapping layer, 14, oversheath, 15, power core, 16, cable core.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Embodiment
As shown in Figure 1, for medium voltage electricity is carried requirement, inventor proposes a kind of middle lead extrusion jacketed cable, and it includes cable core 16, outer 1# lapping layer 7, inner covering 8,2# lapping layer 9, lead sheath 10, separator 11, armour 12,3# lapping layer 13 and the oversheath 14 of being provided with successively of cable core 16; Three power cores 15 and filler 6 are twisted into cable core 16; Any power core 15 consists of conductor 1, conductor shield 2, insulating barrier 3, insulation screen 4 and metal screen layer 5, and conductor shield 2, insulating barrier 3, insulation screen 4 are three-layer co-extruded on conductor 1, metal screen layer 5 coated insulation screens 4.
The preferred XLPE insulating barrier of aforementioned dielectric layer 3, XLPE is the abbreviation of crosslinked polyethylene English name.
The preferred copper strips screen of aforementioned metal screen 5.
Aforementioned oversheath 14 is plastic sheaths.Separator 11 adopts plastics, prevents the problems such as lead sheath weighs wounded in armouring process.
The utility model is not limited to above-described embodiment, and the technical scheme that all employings are equal to replacement or equivalence replacement formation all belongs to the claimed scope of the utility model.

Claims (3)

1. a lead extrusion jacketed cable in, it includes three power cores (15) and filler (6), and three power cores (15) and filler (6) are twisted into cable core (16), it is characterized in that:
Any described power core (15) consists of conductor (1), conductor shield (2), insulating barrier (3), insulation screen (4) and metal screen layer (5), conductor shield (2), insulating barrier (3), insulation screen (4) are three-layer co-extruded upper in conductor (1), metal screen layer (5) coated insulation screen (4);
Outer 1# lapping layer (7), inner covering (8), 2# lapping layer (9), lead sheath (10), separator (11), armour (12), 3# lapping layer (13) and the oversheath (14) of being provided with successively of described cable core (16).
2. middle lead extrusion jacketed cable according to claim 1, is characterized in that: described insulating barrier (3) is XLPE insulating barrier.
3. middle lead extrusion jacketed cable according to claim 1, is characterized in that: described metal screen layer (5) is copper strip shielding layer.
CN201320756913.7U 2013-11-25 2013-11-25 Medium-voltage lead sheath cable Active CN203562236U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320756913.7U CN203562236U (en) 2013-11-25 2013-11-25 Medium-voltage lead sheath cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320756913.7U CN203562236U (en) 2013-11-25 2013-11-25 Medium-voltage lead sheath cable

Publications (1)

Publication Number Publication Date
CN203562236U true CN203562236U (en) 2014-04-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320756913.7U Active CN203562236U (en) 2013-11-25 2013-11-25 Medium-voltage lead sheath cable

Country Status (1)

Country Link
CN (1) CN203562236U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105469896A (en) * 2015-12-10 2016-04-06 成都绿迪科技有限公司 Communication cable
CN105575537A (en) * 2016-01-28 2016-05-11 成都绿迪科技有限公司 Insulation power cable
CN106409413A (en) * 2016-06-08 2017-02-15 无锡市曙光电缆有限公司 Cable for pressure-resistant mine
CN110364294A (en) * 2019-07-16 2019-10-22 安徽徽宁电器仪表集团有限公司 A kind of computer cable and its preparation process of flame-resistant high-temperature-resistant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105469896A (en) * 2015-12-10 2016-04-06 成都绿迪科技有限公司 Communication cable
CN105575537A (en) * 2016-01-28 2016-05-11 成都绿迪科技有限公司 Insulation power cable
CN106409413A (en) * 2016-06-08 2017-02-15 无锡市曙光电缆有限公司 Cable for pressure-resistant mine
CN110364294A (en) * 2019-07-16 2019-10-22 安徽徽宁电器仪表集团有限公司 A kind of computer cable and its preparation process of flame-resistant high-temperature-resistant

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