CN203826119U - Polyvinyl chloride insulation polyvinyl chloride sheath control cable - Google Patents
Polyvinyl chloride insulation polyvinyl chloride sheath control cable Download PDFInfo
- Publication number
- CN203826119U CN203826119U CN201420080089.2U CN201420080089U CN203826119U CN 203826119 U CN203826119 U CN 203826119U CN 201420080089 U CN201420080089 U CN 201420080089U CN 203826119 U CN203826119 U CN 203826119U
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- CN
- China
- Prior art keywords
- control
- polyvinyl chloride
- conductor
- insulated
- conductors
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Abstract
The utility model discloses a polyvinyl chloride insulation polyvinyl chloride sheath control cable which includes two first control conductors and two second control conductors. The cross sections of the first control conductors are elliptic. The cross sections of the second control conductors are round. The two second control conductors are arranged between the two first control conductors. The two first control conductors and the two second control conductors are arranged in a rhombus. A reinforcing fiber rope is arranged between any adjacent first control conductor and second control conductor. The reinforcing fiber ropes abut against corresponding first control conductors and second control conductors. The first control conductors and the second control conductors are externally wrapped with a fire-resistant mica tape lapping layer, a steel-wire armor shielding layer and a polyvinyl chloride sheath layer. The polyvinyl chloride insulation polyvinyl chloride sheath control cable is applicable to a wider AC voltage circuit and capable of satisfying different current-carrying capabilities so that the insulating reliability of the control cable is improved significantly and the service life of the control cable is prolonged.
Description
Technical field
The utility model relates to technical field of electric wires and cables, relates in particular to a kind of polyvinyl chloride-insulated polyvinyl chloride control cables.
Background technology
Along with the growth continuously and healthily of China's economy, for the development of cable industry provides huge market prospects.Be accompanied by the continuous expansion of the industry sizes such as electric power, communication, track traffic, automobile and shipbuilding, the demand of electric wire is also being increased rapidly, can predict electric wire industry from now on and also have huge development potentiality.
Control cables on market is various, and they are applied in various different occasions.In the time that fire occurs, common fireproof control cable cannot ensure that circuit works on.In addition, the copper core copper sheath magnesium oxide insulating cable on market is due to employing drawing process with using magnesium oxide as cable insulation, and cable core radical is restricted, and its insulating reliability is also very poor.Shield effectiveness is undesirable in addition, and oversheath easily damages, and will exert an influence to whole cable operation so in actual use.
At present, all trades and professions are more and more higher to the requirement of cable, in use, not only will avoid that cable is mechanically damaged, insulation harm, ageing of insulation are rotten etc., also will under hot conditions, use, high temperature resistant.The current capacity of cable is conventionally relevant with the sectional area of conductor thread core simultaneously, in the time that increasing, electric current can make conductor temperature raise, the temperature of the insulating barrier of conductor outer cladding exceedes the change that can cause in insulating barrier generation performance in limited time, thereby the insulating reliability of insulating barrier is reduced greatly, affect the useful life of cable.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of polyvinyl chloride-insulated polyvinyl chloride control cables, meet different current capacities, thereby the insulating reliability of control cables is improved greatly, extended the useful life of control cables.
A kind of polyvinyl chloride-insulated polyvinyl chloride control cables the utility model proposes, comprise the first control conductor and the second control conductor, the first cross section of controlling conductor is oval, the second cross section of controlling conductor is circular, controlling conductor for two second is arranged between two first control conductors, and control conductor for two first, control the conductors layout that assumes diamond in shape for two second, two first control conductors are positioned at the two-end-point of rhombus minor axis, two second control conductors are positioned at the two-end-point of rhombus major axis, control between conductor and the second control conductor and be provided with reinforcing fibre rope at first of arbitrary neighborhood, reinforcing fibre rope is controlled conductor with the first control conductor and second respectively and is leant, at the first control conductor, second controls conductor is coated fire-resistant isinglass belt lapping layer outward successively, wire armoring screen and pvc sheath layer formation control cable, the cross section of control cables is oval, at the first control conductor, second controls conductor, in space between reinforcing fibre rope and fire-resistant isinglass belt lapping layer, fill fire proofing.
Preferably, first control conductor and mutually circumscribed first control insulated wire and the fire-resistant packing material that is coated on the polyvinyl chloride insulation layer outside the first control insulated wire and is filled in space between the first control insulated wire and polyvinyl chloride insulation layer forms successively by three.
Preferably, being centered close on same straight line of three first control insulated wires.
Preferably, first control insulated wire and formed by the first pilot and the belting layer, the proof copper-wire braided screen that are coated on successively outside the first pilot.
Preferably, the second control conductor is made up of with the polyvinyl chloride insulation layer being coated on outside the second control insulated wire seven the second circumscribed control insulated wires of two two-phases.
Preferably, second control insulated wire and formed by the second pilot and the belting layer, the soft copper band lapped shielding layer that are coated on successively outside the second pilot.
Preferably, reinforcing fibre rope surface is provided with adhesive-layer, and the first control conductor and second causing while preventing control cables distortion is controlled the dislocation of conductor.
Preferably, the cross section of reinforcing fibre rope is oval, and oval-shaped minor axis two-end-point is controlled conductor with the first control conductor and second respectively and leant.
Preferably, first controls conductor, second controls the polyvinyl chloride insulation material that the polyvinyl chloride insulation layer on conductor adopts, comprise following weight portion raw material: Corvic: 50～60 parts, polymethyl methacrylate: 5～10 parts, this ethene of acrylonitrile butadiene: 3～5 parts, polytetrafluoroethylene: 1～3 part, trimethyl silane imidazoles: 3～5 parts, dioctyl phthalate: 2～3 parts, heat stabilizer: 6～10 parts, organic accelerator: 1～2 part, inorganic filler: 0.5～0.8 part.Above-mentioned polyvinyl chloride insulation material prepares by screw extruder, and extrusion temperature is controlled at 190～200 DEG C.There is at normal temperatures higher resistivity, good tensile strength and elongation at break.
Preferably, the pvc sheathing compound that pvc sheath layer adopts, comprises following weight portion raw material: Corvic: 70～78 parts, polyurethane: 26～30 parts, PTMG: 11～14 parts, poly-adipic acid-BDO esterdiol: 16～20 parts, trimethyl silane imidazoles: 6～10 parts, 2,3-epoxypropyl phenylether: 6～8 parts, heat stabilizer: 3～5 parts, organic accelerator: 2～3 parts, inorganic filler: 0.5～1.5 part.Above-mentioned pvc sheathing compound prepares by screw extruder, and extrusion temperature is controlled at 170～185 DEG C.There is higher resistivity, good better tensile strength and elongation at break compared with polyvinyl chloride insulation material at normal temperatures.
It is the occasion such as 450～750V and following control, monitoring loop and protection circuit that the utility model is applicable to specified alternating voltage, and the long-term working temperature allowing is 70 DEG C; The utility model adopts two different the first control conductors and second in cross section to control conductor, be applicable to wider alternating voltage circuit, meet different current capacities, thereby the insulating reliability of control cables is improved greatly, extended the useful life of control cables; The first control conductor and second is controlled conductor and is pressed rhombus layout, and control between conductor reinforcing fibre rope is set at the first control conductor and second, not only ensure the hot strength of control cables, and any three control conductors are triangularly arranged, make control cables have good warp resistance and resistance to extruding, the adhesive-layer on reinforcing fibre rope prevents the distortion of control cables and causes the dislocation of controlling between conductor simultaneously; Control on conductor and be equipped with screen, prevent from controlling the interference between conductor.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of a kind of polyvinyl chloride-insulated polyvinyl chloride control cables that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the cross section structure schematic diagram of a kind of polyvinyl chloride-insulated polyvinyl chloride control cables that the utility model proposes.
With reference to Fig. 1, a kind of polyvinyl chloride-insulated polyvinyl chloride control cables the utility model proposes, comprise the first control conductor 1 and the second control conductor 2, the first cross section of controlling conductor 1 is oval, the second cross section of controlling conductor 2 is circular, controlling conductor 2 for two second is arranged between two first control conductors 1, and first controls conductor 1, second controls conductor 2 layout that assumes diamond in shape, two first control conductors 1 are positioned at the two-end-point of rhombus minor axis, two second control conductors 2 are positioned at the two-end-point of rhombus major axis, control between conductor 1 and the second control conductor 2 and be provided with reinforcing fibre rope 3 at first of arbitrary neighborhood, the cross section of reinforcing fibre rope 3 is oval, oval-shaped minor axis two-end-point is controlled conductor 2 with the first control conductor 1 and second respectively and is leant, at the first control conductor 1, second controls the outer coated fire-resistant isinglass belt lapping layer 4 successively of conductor 2, wire armoring screen 5 and pvc sheath layer 6 formation control cable, the cross section of control cables is oval, at the first control conductor 1, second controls conductor 2, in space between reinforcing fibre rope 3 and fire-resistant isinglass belt lapping layer 4, fill fire proofing 7.Wherein, reinforcing fibre rope 3 surfaces are provided with adhesive-layer 8, and the first control conductor 1 and second causing while preventing control cables distortion is controlled the dislocation of conductor 2.
In the utility model, first controls conductor 1 mutually circumscribed first controls insulated wire 11 and the fire-resistant packing material 13 that is coated on the polyvinyl chloride insulation layer 12 outside the first control insulated wire 11 and is filled in space between the first control insulated wire 11 and polyvinyl chloride insulation layer 12 forms successively by three, controls being centered close on same straight line of insulated wires 11 for three first.First controls insulated wire 11 is made up of the first pilot 111 and the belting layer 112, the proof copper-wire braided screen 113 that are coated on successively outside the first pilot 111.
In the utility model, second controls conductor 2 is made up of with the polyvinyl chloride insulation layer 22 being coated on outside the second control insulated wire 21 seven the second circumscribed control insulated wires 21 of two two-phases.Second controls insulated wire 21 is made up of the second pilot 211 and the belting layer 212, the soft copper band lapped shielding layer 213 that are coated on successively outside the second pilot 211.
Wherein, first controls the polyvinyl chloride insulation material that the polyvinyl chloride insulation layer on conductor 1, the second control conductor 2 adopts, comprise following weight portion raw material: Corvic: 50～60 parts, polymethyl methacrylate: 5～10 parts, this ethene of acrylonitrile butadiene: 3～5 parts, polytetrafluoroethylene: 1～3 part, trimethyl silane imidazoles: 3～5 parts, dioctyl phthalate: 2～3 parts, heat stabilizer: 6～10 parts, organic accelerator: 1～2 part, inorganic filler: 0.5～0.8 part.Above-mentioned polyvinyl chloride insulation material prepares by screw extruder, and extrusion temperature is controlled at 190～200 DEG C.There is at normal temperatures higher resistivity, good tensile strength and elongation at break.
In specific embodiment, first controls the polyvinyl chloride insulation material that the polyvinyl chloride insulation layer on conductor 1, the second control conductor 2 adopts, comprise following weight portion raw material: Corvic: 55 parts, polymethyl methacrylate: 8 parts, this ethene of acrylonitrile butadiene: 4 parts, polytetrafluoroethylene: 2 parts, trimethyl silane imidazoles: 4 parts, dioctyl phthalate: 2.5 parts, heat stabilizer: 8 parts, organic accelerator: 1.5 parts, inorganic filler: 0.6 part.
Wherein, the pvc sheathing compound that pvc sheath layer 6 adopts, comprises following weight portion raw material: Corvic: 70～78 parts, polyurethane: 26～30 parts, PTMG: 11～14 parts, poly-adipic acid-BDO esterdiol: 16～20 parts, trimethyl silane imidazoles: 6～10 parts, 2,3-epoxypropyl phenylether: 6～8 parts, heat stabilizer: 3～5 parts, organic accelerator: 2～3 parts, inorganic filler: 0.5～1.5 part.Above-mentioned pvc sheathing compound prepares by screw extruder, and extrusion temperature is controlled at 170～185 DEG C.There is higher resistivity, good better tensile strength and elongation at break compared with polyvinyl chloride insulation material at normal temperatures.
In specific embodiment, the pvc sheathing compound that pvc sheath layer 6 adopts, comprises following weight portion raw material: Corvic: 75 parts, polyurethane: 28 parts, PTMG: 12 parts, poly-adipic acid-BDO esterdiol: 18 parts, trimethyl silane imidazoles: 9 parts, 2,3-epoxypropyl phenylether: 7 parts, heat stabilizer: 4 parts, organic accelerator: 2.5 parts, inorganic filler: 1.2 parts.
It is the occasion such as 450～750V and following control, monitoring loop and protection circuit that the utility model is applicable to specified alternating voltage, and the long-term working temperature allowing is 70 DEG C; The utility model adopts two different the first control conductors 1 and second in cross section to control conductor 2, be applicable to wider alternating voltage circuit, meet different current capacities, thereby the insulating reliability of control cables is improved greatly, extended the useful life of control cables; The first control conductor 1 and second is controlled conductor 2 and is pressed rhombus layout, and control between conductor 2 reinforcing fibre rope 3 is set at the first control conductor 1 and second, not only ensure the hot strength of control cables, and any three control conductors are triangularly arranged, make control cables have good warp resistance and resistance to extruding, the adhesive-layer 8 on reinforcing fibre rope 3 prevents the distortion of control cables and causes the dislocation of controlling between conductor simultaneously; Control on conductor and be equipped with screen, prevent from controlling the interference between conductor.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and utility model design thereof, within all should being encompassed in protection range of the present utility model.
Claims (8)
1. a polyvinyl chloride-insulated polyvinyl chloride control cables, it is characterized in that, comprise that two first are controlled conductor (1) and two second control conductors (2), the first cross section of controlling conductor (1) is oval, the second cross section of controlling conductor (2) is circular, controlling conductor (2) for two second is arranged between two first control conductors (1), and control conductor (1) for two first, control conductors (2) layout that assumes diamond in shape for two second, two first control conductors (1) are positioned at the two-end-point of rhombus minor axis, two second control conductors (2) are positioned at the two-end-point of rhombus major axis, control between conductor (1) and the second control conductor (2) and be provided with reinforcing fibre rope (3) at first of arbitrary neighborhood, reinforcing fibre rope (3) is controlled conductor (2) with the first control conductor (1) and second respectively and is leant, at the first control conductor (1), second controls the outer coated fire-resistant isinglass belt lapping layer (4) successively of conductor (2), wire armoring screen (5) and pvc sheath layer (6) formation control cable, the cross section of control cables is oval, at the first control conductor (1), second controls conductor (2), in space between reinforcing fibre rope (3) and fire-resistant isinglass belt lapping layer (4), fill fire proofing (7).
2. polyvinyl chloride-insulated polyvinyl chloride control cables according to claim 1, is characterized in that; First controls conductor (1) mutually circumscribed first controls insulated wire (11), is coated on the outer polyvinyl chloride insulation layer (12) of the first control insulated wire (11) and is filled in fire-resistant packing material (13) formation in space between the first control insulated wire (11) and polyvinyl chloride insulation layer (12) successively by three.
3. polyvinyl chloride-insulated polyvinyl chloride control cables according to claim 2, is characterized in that; Being centered close on same straight line of three first controls insulated wire (11).
4. polyvinyl chloride-insulated polyvinyl chloride control cables according to claim 2, is characterized in that; First controls insulated wire (11) by the first pilot (111) and is coated on successively the outer belting layer (112) of the first pilot (111), proof copper-wire braided screen (113) formation.
5. polyvinyl chloride-insulated polyvinyl chloride control cables according to claim 1, is characterized in that; Second controls conductor (2) by circumscribed second the controlling insulated wire (21) and be coated on outer polyvinyl chloride insulation layer (22) formation of the second control insulated wire (21) of seven two two-phases.
6. polyvinyl chloride-insulated polyvinyl chloride control cables according to claim 5, is characterized in that; Second controls insulated wire (21) by the second pilot (211) and is coated on successively the outer belting layer (212) of the second pilot (211), soft copper band lapped shielding layer (213) formation.
7. polyvinyl chloride-insulated polyvinyl chloride control cables according to claim 1, is characterized in that; Reinforcing fibre rope (3) surface is provided with adhesive-layer (8).
8. according to the polyvinyl chloride-insulated polyvinyl chloride control cables described in claim 1 or 7, it is characterized in that; The cross section of reinforcing fibre rope (3) is oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080089.2U CN203826119U (en) | 2014-02-24 | 2014-02-24 | Polyvinyl chloride insulation polyvinyl chloride sheath control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080089.2U CN203826119U (en) | 2014-02-24 | 2014-02-24 | Polyvinyl chloride insulation polyvinyl chloride sheath control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826119U true CN203826119U (en) | 2014-09-10 |
Family
ID=51481593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420080089.2U Withdrawn - After Issue CN203826119U (en) | 2014-02-24 | 2014-02-24 | Polyvinyl chloride insulation polyvinyl chloride sheath control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871675A (en) * | 2014-02-24 | 2014-06-18 | 安徽华联电缆集团有限公司 | Polyvinyl chloride (PVC) insulation PVC sheathed control cable |
-
2014
- 2014-02-24 CN CN201420080089.2U patent/CN203826119U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871675A (en) * | 2014-02-24 | 2014-06-18 | 安徽华联电缆集团有限公司 | Polyvinyl chloride (PVC) insulation PVC sheathed control cable |
| CN103871675B (en) * | 2014-02-24 | 2016-02-24 | 安徽华联电缆集团有限公司 | A kind of polyvinyl chloride-insulated polyvinyl chloride control cables |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |