CN204904900U - 450 750V special type control cable - Google Patents
450 750V special type control cable Download PDFInfo
- Publication number
- CN204904900U CN204904900U CN201520646349.2U CN201520646349U CN204904900U CN 204904900 U CN204904900 U CN 204904900U CN 201520646349 U CN201520646349 U CN 201520646349U CN 204904900 U CN204904900 U CN 204904900U
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- Prior art keywords
- layer
- cable
- special electric
- cable core
- metal silk
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Abstract
The utility model discloses a 450 750V special type control cable relates to power cable technical field. The high -temperature resistant frequency conversion cable comprises a cable core, its characterized in that: space department in the cable core is equipped with the filling layer, the cable core is outward in proper order around package stranding non -magnetic metal silk woven shield, interior bed course and silicone rubber sheathing, the cable core wrap up silicon rubber insulation outward with multilayer crowded mode transposition stranding altogether by 4, 5, 6, 7, 8, 10, 14, 19 or 24 copper core conductors, the nominal cross -sectional area of copper core conductor is 1.5mm2, 2.5mm2, 4mm2 or 6mm2, non -magnetic metal silk woven shield adopts nominal diameter to weave for 0.2mm's non -magnetic metal silk, and it is not less than 60% with braiding density. The utility model is suitable for an exchange the signal transmission line that rated voltage 450750V and automated control system made the electrical apparatus instrument and use, have good high temperature resistant, fire -retardant, be characteristics such as radiation, ageing -resistant, resistant ozone, be applied to places such as oil, chemical industry, electricity generation, metallurgy, aerospace.
Description
Technical field
The utility model relates to power cable technical field, particularly a kind of 450/750V Special electric cable.
Background technology
Control cables is mainly used in transfer control; be applicable to energy traffic department, for occasions such as ac rated voltage less than 450/750 volt control, protection circuits; its cable standard requires strict; the structure sheaf of general control cable is complicated; to guarantee the various performances of whole cable, the shortcomings such as existing cable protective cover material ageing resistance difference.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of 450/750V Special electric cable; Its inner structure level is simple, but do not affect whole cable insulation, block water, the various performance such as resistance to compression, easy for installation, Practical Performance is good.The utility model cable jacket material ageing resistance is good.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of 450/750V Special electric cable, comprise cable core, it is characterized in that: the gap in described cable core is provided with packed layer, described cable core outer wrapped stranding nonmagnetic metal silk woven shield, inner cushion layer and silicone rubber jacket successively, described cable core is by 4,5,6,7,8,10,14,19 or 24 copper core conductor outer wrapping silicon rubber insulations with multi-layer co-extruded mode twisted synthesizing cable, and the nominal cross of described copper core conductor is 1.5mm
2, 2.5mm
2, 4mm
2or 6mm
2, described nonmagnetic metal silk woven shield employing nominal diameter is the nonmagnetic metal silk braiding of 0.2mm, and it is not less than 60% with count.
Further technical scheme is, the outermost direction of lay of described cable core is right, and its twisting pitch is not more than 20 times of stranded external diameter.
Further technical scheme is, described cable core, when copper core conductor outer wrapping silicon rubber insulation arranges, is arranged by natural number order clockwise direction to skin by internal layer from 1.
Further technical scheme is, described inner cushion layer can extrude or wrapped, and tighten with suitable belt when extruding inner cushion layer, the thickness of wrapped inner cushion layer is 0.4mm.
Further technical scheme is, described inner cushion layer and packed layer adopt non-absorbent material.
Further technical scheme is, it is that the black PVC material of 1.0mm is as protective layer that described silicone rubber jacket extrudes a layer thickness.
Further technical scheme is also, described silicone rubber jacket nominal thickness h with protect before suppose that the relation of diameter d is as follows: as d≤16mm, h=1.5mm; As 16mm<d≤25mm, h=1.7mm; As 25mm<d≤30mm, h=2.0mm; As 30mm<d≤40mm, h=2.2mm; As 40<dmm, h=2.5mm.
The beneficial effect that produces of technique scheme is adopted to be: the utility model is applicable to the signal transmssion line that ac rated voltage 450/750V and automation control system make electrical instrumentation and uses, have good high temperature resistant, fire-retardant, be the characteristics such as radiation, ageing-resistant, resistance to ozone, and there is good cold tolerance, weather resistance, be widely used in the places such as oil, chemical industry, generating, metallurgy, Aero-Space.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the utility model example structure schematic diagram;
Wherein: 1, copper core conductor; 2, silicon rubber insulation; 3, nonmagnetic metal silk woven shield; 4, inner cushion layer; 5, silicone rubber jacket; 6, packed layer.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
As shown in Figure 1, the utility model comprises cable core, gap in described cable core is provided with packed layer 6, described cable core outer wrapped stranding nonmagnetic metal silk woven shield 3, inner cushion layer 4 and silicone rubber jacket 5 successively, described cable core is by 4,5,6,7,8,10,14,19 or 24 copper core conductor 1 outer wrapping silicon rubber insulations 2 with multi-layer co-extruded mode twisted synthesizing cable, and the nominal cross of described copper core conductor 1 is 1.5mm
2, 2.5mm
2, 4mm
2or 6mm
2, described nonmagnetic metal silk woven shield 3 adopt nominal diameter be 0.2mm nonmagnetic metal silk braiding, it is not less than 60% with count.
Preferably, the outermost direction of lay of described cable core is right, and its twisting pitch is not more than 20 times of stranded external diameter.
Preferably, described cable core, when copper core conductor 1 outer wrapping silicon rubber insulation 2 arranges, is arranged by natural number order clockwise direction to skin by internal layer from 1.
Preferably, described inner cushion layer 4 can extrude or wrapped, and tighten with suitable belt when extruding inner cushion layer, the thickness of wrapped inner cushion layer is 0.4mm.
Preferably, described inner cushion layer 4 and packed layer 6 adopt non-absorbent material.
Preferably, described silicone rubber jacket 5 extrudes a layer thickness is that the black PVC material of 1.0mm is as protective layer.
Preferably, suppose that the relation of diameter d is as follows before described silicon rubber protects 5 cover nominal thickness h and protects: as d≤16mm, h=1.5mm; As 16mm<d≤25mm, h=1.7mm; As 25mm<d≤30mm, h=2.0mm; As 30mm<d≤40mm, h=2.2mm; As 40<dmm, h=2.5mm.
Its inner structure level of the utility model is simple, but do not affect whole cable insulation, block water, the various performance such as resistance to compression, easy for installation, Practical Performance is good.The utility model cable jacket material ageing resistance is good.
Claims (7)
1. a 450/750V Special electric cable, comprise cable core, it is characterized in that: the gap in described cable core is provided with packed layer, described cable core outer wrapped stranding nonmagnetic metal silk woven shield, inner cushion layer and silicone rubber jacket successively, described cable core is by 4,5,6,7,8,10,14,19 or 24 copper core conductor outer wrapping silicon rubber insulations with multi-layer co-extruded mode twisted synthesizing cable, and the nominal cross of described copper core conductor is 1.5mm
2, 2.5mm
2, 4mm
2or 6mm
2, described nonmagnetic metal silk woven shield employing nominal diameter is the nonmagnetic metal silk braiding of 0.2mm, and it is not less than 60% with count.
2. 450/750V Special electric cable according to claim 1, is characterized in that: the outermost direction of lay of described cable core is for right, and its twisting pitch is not more than 20 times of stranded external diameter.
3. 450/750V Special electric cable according to claim 1, is characterized in that: described cable core, when copper core conductor outer wrapping silicon rubber insulation arranges, is arranged by natural number order clockwise direction to skin by internal layer from 1.
4. 450/750V Special electric cable according to claim 1, is characterized in that: described inner cushion layer can extrude or wrapped, and tighten with suitable belt when extruding inner cushion layer, the thickness of wrapped inner cushion layer is 0.4mm.
5. 450/750V Special electric cable according to claim 1, is characterized in that: described inner cushion layer and packed layer adopt non-absorbent material.
6. 450/750V Special electric cable according to claim 1, is characterized in that: it is that the black PVC material of 1.0mm is as protective layer that described silicone rubber jacket extrudes a layer thickness.
7. 450/750V Special electric cable according to claim 1, is characterized in that: described silicone rubber jacket nominal thickness h with protect before suppose that the relation of diameter d is as follows: as d≤16mm, h=1.5mm; As 16mm<d≤25mm, h=1.7mm; As 25mm<d≤30mm, h=2.0mm; As 30mm<d≤40mm, h=2.2mm; As 40<dmm, h=2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646349.2U CN204904900U (en) | 2015-08-25 | 2015-08-25 | 450 750V special type control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646349.2U CN204904900U (en) | 2015-08-25 | 2015-08-25 | 450 750V special type control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204904900U true CN204904900U (en) | 2015-12-23 |
Family
ID=54927060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520646349.2U Expired - Fee Related CN204904900U (en) | 2015-08-25 | 2015-08-25 | 450 750V special type control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204904900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309630A (en) * | 2020-09-27 | 2021-02-02 | 新亚特电缆股份有限公司 | Subway cable of ageing resistance |
-
2015
- 2015-08-25 CN CN201520646349.2U patent/CN204904900U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309630A (en) * | 2020-09-27 | 2021-02-02 | 新亚特电缆股份有限公司 | Subway cable of ageing resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180825 |