CN203644444U - Highly flame-retardant high-temperature-resistant aluminium alloy frequency variable cable - Google Patents
Highly flame-retardant high-temperature-resistant aluminium alloy frequency variable cable Download PDFInfo
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- CN203644444U CN203644444U CN201320796841.9U CN201320796841U CN203644444U CN 203644444 U CN203644444 U CN 203644444U CN 201320796841 U CN201320796841 U CN 201320796841U CN 203644444 U CN203644444 U CN 203644444U
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Abstract
The utility model discloses a highly flame-retardant high-temperature-resistant aluminium alloy frequency variable cable. The highly flame-retardant high-temperature-resistant aluminium alloy frequency variable cable comprises power wire cores, ground wire cores, high temperature flame-retardant filling ropes, a glass fiber belting layer, a shielding layer, and a flame-retardant silicon rubber external sheath layer, wherein the power wire cores and the ground wire cores are formed by squeezing flame-retardant silicone rubber insulation layers on aluminium alloy stranded conductors; the three power wire cores and the three ground wire cores are stranded alternately to form a cable core; a monitoring wire core is squeezed among the three power wire cores; intervals between the monitoring wire core and the three power wire cores are filled with a fire-retardant layer; the intervals of the cable core are filled with the high temperature flame-retardant filling ropes; the glass fiber belting layer is disposed outside the cable core; and the glass fiber belting layer is wrapped by the flame-retardant silicon rubber external sheath layer and the shielding layer from outside to inside in sequence. The highly flame-retardant high-temperature-resistant aluminium alloy frequency variable cable is simple in design, stable in performance, capable of fulfilling performance requirements of a flame-retardant cable in high temperature, soft, easy to lay, and capable of facilitating tracking tests for performance changes of the cable in usage.
Description
Technical field
The utility model relates to cable, relates in particular to high flame retardant fire resistant aluminum alloy frequency-changing cable.
Background technology
Along with the development of frequency drive technology processed, requirement to frequency variable ratio drive system is more and more higher, especially to adopting the modern converter technique of IGBT semiconductor of quick switching, although pulse frequency is high or more they generate an electromagnetic field to surrounding environment only in millisecond the break time.For keeping the normal work of frequency converter not to be subject to electromagnetic interference, therefore connect cable between frequency converter and three phase alternating current motor and will there is interference free performance, lower effective capacitance and lower transfer impedance, and can carry out to the performance of cable the new cable of tracking and testing.
Utility model content
For overcoming above-mentioned deficiency, the utility model object is to provide high flame retardant fire resistant aluminum alloy frequency-changing cable.
Scheme of the present utility model is as follows: high flame retardant fire resistant aluminum alloy frequency-changing cable, it by power core, wire core, high temperature flame-proof gasket for packing, glass fibre belt lapping layer, screen and flame-proof silicon rubber external sheath layer form, described power core and ground wire core be to be all extruded on aluminium alloy stranded conductor and to form by flame-proof silicon rubber insulating barrier; Described three power cores and wire core interval, three ground are twisted into cable core; In the middle of described three power cores, be extruded with monitoring core; Interval between described monitoring core and three power cores is filled with flame retardant coating; Described cable core gap-fill has high temperature flame-proof gasket for packing, and cable core is provided with glass fibre belt lapping layer outward; Described flame-proof silicon rubber external sheath layer and screen cover on glass fibre belt lapping layer successively from outside to inside.
Described screen adopts proof copper-wire braided and copper strips is wrapped combines.
The beneficial effects of the utility model: the utility model structural design is simple, stable performance, can meet under high temperature resistant condition and the performance requirement of flame retardant cable, and cable softness is easy to lay, and more can be convenient to the performance change in the use of tracking and testing cable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model,
Wherein: 1, power core; 2, aluminium alloy stranded conductor; 3, flame-proof silicon rubber insulating barrier; 4, wire core; 5, high temperature flame-proof gasket for packing; 6, glass fibre belt lapping layer; 7, screen; 8, flame-proof silicon rubber external sheath layer; 9, flame retardant coating; 10, monitoring core.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further;
As shown in Figure 1, high flame retardant fire resistant aluminum alloy frequency-changing cable, it by power core 1, wire core 4, high temperature flame-proof gasket for packing 5, glass fibre belt lapping layer 6, screen 7 and flame-proof silicon rubber external sheath layer 8 form, described power core 1 and ground wire core 4 are to be all extruded on aluminium alloy stranded conductor 2 and to be formed by flame-proof silicon rubber insulating barrier 3; Described three power cores 1 and wire core 4 intervals, three ground are twisted into cable core; In the middle of described three power cores 1, be extruded with monitoring core 10; Interval between described monitoring core 10 and three power cores 1 is filled with flame retardant coating 9; Described cable core gap-fill has high temperature flame-proof gasket for packing 5, and cable core is provided with glass fibre belt lapping layer 6 outward; Described flame-proof silicon rubber external sheath layer 8 and screen 7 cover on glass fibre belt lapping layer 6 successively from outside to inside.
Described screen 7 adopts proof copper-wire braided and copper strips is wrapped combines.
The conductor of power core 1 and ground wire core 4 forms by aluminium alloy conductor is stranded, make the bending radius of cable more much smaller than copper core cable, more easily lay, insulating barrier all adopts flame-proof silicon rubber material, silastic material heat resisting temperature is high, there is flame-retarding characteristic, and improve cable pliability, and there is flame-retarding characteristic, in screen 7 can effectively suppress, extraneous electromagnetic interference, in addition the structural behaviour of the symmetrical core band shielding of 3+3 is best, adopt symmetrical shielded type cable also can reduce the electromagnetic radiation of drive system, and the shaft current of minimizing motor and the bearing wear causing thus.Flame-proof silicon rubber external sheath layer 8, plays a protective role to cable, heat insulation, oxygen barrier effect; And monitoring core 10 is of value to the performance of tracking and testing cable, practical and convenient.
Although above embodiment of the present utility model has been given to describe in detail and explanation; but what should indicate is; we can carry out various equivalences to above-mentioned execution mode according to conception of the present utility model and change and amendment; when its function producing does not exceed spiritual that specification contains yet, all should be within protection range of the present utility model.
Claims (2)
1. high flame retardant fire resistant aluminum alloy frequency-changing cable, it by power core, wire core, high temperature flame-proof gasket for packing, glass fibre belt lapping layer, screen and flame-proof silicon rubber external sheath layer form, it is characterized in that: described power core and ground wire core be to be all extruded on aluminium alloy stranded conductor and to form by flame-proof silicon rubber insulating barrier; Described three power cores and wire core interval, three ground are twisted into cable core; In the middle of described three power cores, be extruded with monitoring core; Interval between described monitoring core and three power cores is filled with flame retardant coating; Described cable core gap-fill has high temperature flame-proof gasket for packing, and cable core is provided with glass fibre belt lapping layer outward; Described flame-proof silicon rubber external sheath layer and screen cover on glass fibre belt lapping layer successively from outside to inside.
2. high flame retardant fire resistant aluminum alloy frequency-changing cable according to claim 1, is characterized in that: described screen adopts proof copper-wire braided and copper strips is wrapped combines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320796841.9U CN203644444U (en) | 2013-12-06 | 2013-12-06 | Highly flame-retardant high-temperature-resistant aluminium alloy frequency variable cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320796841.9U CN203644444U (en) | 2013-12-06 | 2013-12-06 | Highly flame-retardant high-temperature-resistant aluminium alloy frequency variable cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644444U true CN203644444U (en) | 2014-06-11 |
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ID=50875670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320796841.9U Expired - Fee Related CN203644444U (en) | 2013-12-06 | 2013-12-06 | Highly flame-retardant high-temperature-resistant aluminium alloy frequency variable cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808117A (en) * | 2019-11-18 | 2020-02-18 | 湖南华菱线缆股份有限公司 | Nuclear power dragging wear-resistant cable |
| CN110828036A (en) * | 2019-11-18 | 2020-02-21 | 湖南华菱线缆股份有限公司 | Nuclear power towing cable |
-
2013
- 2013-12-06 CN CN201320796841.9U patent/CN203644444U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808117A (en) * | 2019-11-18 | 2020-02-18 | 湖南华菱线缆股份有限公司 | Nuclear power dragging wear-resistant cable |
| CN110828036A (en) * | 2019-11-18 | 2020-02-21 | 湖南华菱线缆股份有限公司 | Nuclear power towing cable |
| CN110828036B (en) * | 2019-11-18 | 2022-05-27 | 湖南华菱线缆股份有限公司 | Nuclear power towing cable |
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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: 20140611 Termination date: 20201206 |