CN201477927U - Fireproof variable frequency cable with silicone rubber insulating and sheathing layers - Google Patents
Fireproof variable frequency cable with silicone rubber insulating and sheathing layers Download PDFInfo
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- CN201477927U CN201477927U CN2009201766597U CN200920176659U CN201477927U CN 201477927 U CN201477927 U CN 201477927U CN 2009201766597 U CN2009201766597 U CN 2009201766597U CN 200920176659 U CN200920176659 U CN 200920176659U CN 201477927 U CN201477927 U CN 201477927U
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Abstract
The utility model discloses a fireproof variable frequency cable with silicone rubber insulating and sheathing layers. The cable comprises a plurality of main cores and auxiliary cores which are wrapped by a fireproof tape, a compound copper strip and wire shielding layer, a master isolating layer and a silicone rubber outer sheath in sequence, wherein fillings are arranged between the cores and the fireproof tape, each main core includes a conductor, a main core fireproof layer, a main core insulating layer, an isolating layer and a main core copper wire woven shielding layer which are sequentially arranged from inside to outside, and each auxiliary core includes a conductor, an auxiliary core fireproof layer and an auxiliary core insulating layer which are sequentially arranged from inside to outside. The fireproof variable frequency cable has the advantages of good shielding property and softness, corrosion and high temperature resistance, reliable performance and long service life, and can resist the interferences of electromagnetic induction, imperfect earth and power cord conduction, reduce the inductance and prevent overlarge induced electric motive force; and the shielding layers can not only achieve the function of the outgoing electromagnetic wave emission restraint, but also serve as a short circuit current channel to protect neutral cores.
Description
Technical field
The utility model relates to the frequency-changing cable field, the fire-resistant frequency-changing cable of the silicon rubber insulation of the pulse voltage in the time of particularly standing frequency conversion and sheath.
Background technology
Frequency-changing cable generally is used for frequency conversion system, common frequency-changing cable normally has conductor to coat the silicone rubber insulation layer formation outward, perhaps increase the Isolated Shield layer is set, it is not enough that but the common frequency-changing cable of these structures exists on fire resistance, flexibility, anticorrosion, cold-resistant, wear-resisting, tear resistance, and the occasion that some frequency converters transmit is not because have fire-resistant frequency-changing cable, its security performance to can not get ensureing.
The utility model content
The purpose of this utility model is to provide silicon rubber insulation and the fire-resistant frequency-changing cable of sheath, it has superior symmetry, cold resistance, flexibility, resistance to wear, fire resistance, shielding properties, majority uses under frequent mobile bending condition, and cable body is as insulation and sheath bending property height.
The technical solution of the utility model is as follows:
The fire-resistant frequency-changing cable of silicon rubber insulation and sheath, comprise many master cores and by-pass core, it is characterized in that: described master core and by-pass core are coated successively by fire-resistant band, copper strips copper wire composite shielding layer, total separator, silicon rubber oversheath, are provided with filler between core and the fire-resistant band; Described master core is followed successively by conductor, master core flame retardant coating, master core insulating barrier, separator and master core copper wire woven shield from the inside to the outside, and described by-pass core is followed successively by conductor, by-pass core flame retardant coating, by-pass core insulation layer from the inside to the outside.
Described master core flame retardant coating and by-pass core flame retardant coating are the wrapped formation of double-deck mica tape.
Described master core insulating barrier and by-pass core insulation layer are silicone rubber insulation layer.
Described copper strips copper wire composite shielding layer is that copper strips screen and the stack of copper wire screen are compounded to form.
Described frequency-changing cable is provided with 3 master cores and 3 by-pass cores.
The different colours that described master core insulating barrier all is provided with.
The beneficial effects of the utility model are as follows:
The utility model symmetry is good, shielding is good, softness is good, anticorrosion high temperature resistant, technology advanced person, and dependable performance, the life-span is permanent; Adopt the 3+3 symmetrical structure during stranding, because lead exchanges effect and symmetrical balance thereof, can be with interference reduction to floor level; Also can anti-electromagnetic induction, imperfect earth and power line conducted interference, reduce inductance, prevent that induced electromotive force is excessive; Screen had both played and had suppressed the externally effect of emission of electromagnetic wave, can be used as the passage of short circuit current again, can play the protective effect of neutral core.
Description of drawings
Fig. 1 is the structural representation of the utility model master core
Fig. 2 is the structural representation of the utility model by-pass core
Fig. 3 is a structural representation of the present utility model
Wherein, Reference numeral is: 1 conductor; 2 mica tapes; 3 silicone rubber insulation layers; 4 separators; 5 master core copper wire woven shields; 6 fire-resistant bands; 7 fillers; 8 copper strips screens; 9 copper wire screens; 10 total separators; 11 silicone rubber jackets.
Embodiment
Shown in Fig. 1-2, the fire-resistant frequency-changing cable of silicon rubber insulation and sheath, comprise many master cores and by-pass core, described master core and by-pass core are coated successively by fire-resistant band, copper strips copper wire composite shielding layer, total separator, silicon rubber oversheath, are provided with filler between core and the fire-resistant band; Described master core is followed successively by conductor, master core flame retardant coating, master core insulating barrier, separator and master core copper wire woven shield from the inside to the outside, and described by-pass core is followed successively by conductor, by-pass core flame retardant coating, by-pass core insulation layer from the inside to the outside.
Described master core flame retardant coating and by-pass core flame retardant coating are the wrapped formation of double-deck mica tape.
Described master core insulating barrier and by-pass core insulation layer are silicone rubber insulation layer.
Described copper strips copper wire composite shielding layer is that copper strips screen and the stack of copper wire screen are compounded to form.
Described frequency-changing cable is provided with 3 master cores and 3 by-pass cores.
The different colours that described master core insulating barrier all is provided with.
Conductor all adopts the soft copper silk.
As shown in Figure 2,0.6/1 kilovolt of this rated voltage for cable, 3+3 core, sectional area 70/10 mm sq.Cable is formed structure:
1, conductor adopts GB/T 3956 standard beams strand annealed copper wire;
2, flame retardant coating, double-deck synthetic mica tape;
3, silicon rubber insulation extrudes thickness 1.4/1.0 millimeter;
4, separator;
5, master core copper wire woven shield, count is greater than 80%;
6, fire-resistant band;
7, fill;
8, copper strips shielding (copper strips thickness is not less than 0.10mm);
9, copper wire woven shield, count is greater than 80%;
10, separator;
11, the anti-tear silicone rubber jacket of fire-retardant height extrudes 2.3 millimeters of thickness.
The cross-sectional area of conductor of described cable can change with actual conditions.
This cable is applicable to that ac rated voltage 0.6/1kV and following frequency-changing control system make service cable or be electrically connected, product has stronger proof voltage impact, pulse voltage in the time of standing frequency conversion, cable has good shielding, and effectively eliminate electromagnetic interference, reduce the variable-frequency motor noise, guarantee system stable operation.Be widely used in industries such as metallurgy, electric power, petrochemical industry.Fire-resistant frequency-changing cable is applicable to the particular importance occasion, when this circuit contingency runs into fire, except under the 0.6/1KV rated operational voltage, transmitting the electric power, the safe operation that also can under combustion case, keep certain hour, under the situation of 950-1000 celsius temperature flame combustion, keep safe operation 3 hours, improved the coefficient safe in utilization of fire-resisting cable so greatly, for the relief fire has won certain hour.
Claims (5)
1. the fire-resistant frequency-changing cable of silicon rubber insulation and sheath, comprise many master cores and by-pass core, it is characterized in that: described master core and by-pass core are coated successively by fire-resistant band (6), copper strips copper wire composite shielding layer, total separator (10), silicon rubber oversheath (11), are provided with filler (7) between core and the fire-resistant band (6); Described master core is followed successively by conductor (1), master core flame retardant coating, master core insulating barrier, separator (4) and master core copper wire woven shield (5) from the inside to the outside, and described by-pass core is followed successively by conductor (1), by-pass core flame retardant coating, by-pass core insulation layer from the inside to the outside.
2. silicon rubber insulation according to claim 1 and the fire-resistant frequency-changing cable of sheath is characterized in that: described master core flame retardant coating and by-pass core flame retardant coating are the wrapped formation of double-deck mica tape (2).
3. silicon rubber insulation according to claim 1 and the fire-resistant frequency-changing cable of sheath is characterized in that: described master core insulating barrier and by-pass core insulation layer are silicone rubber insulation layer (3).
4. silicon rubber insulation according to claim 1 and the fire-resistant frequency-changing cable of sheath is characterized in that: described copper strips copper wire composite shielding layer is that copper strips screen (8) and copper wire screen (9) stack are compounded to form.
5. silicon rubber insulation according to claim 1 and the fire-resistant frequency-changing cable of sheath is characterized in that: described frequency-changing cable is provided with 3 master cores and 3 by-pass cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201766597U CN201477927U (en) | 2009-09-08 | 2009-09-08 | Fireproof variable frequency cable with silicone rubber insulating and sheathing layers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201766597U CN201477927U (en) | 2009-09-08 | 2009-09-08 | Fireproof variable frequency cable with silicone rubber insulating and sheathing layers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201477927U true CN201477927U (en) | 2010-05-19 |
Family
ID=42414185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201766597U Expired - Fee Related CN201477927U (en) | 2009-09-08 | 2009-09-08 | Fireproof variable frequency cable with silicone rubber insulating and sheathing layers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201477927U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394153A (en) * | 2011-12-22 | 2012-03-28 | 安徽特力电缆有限公司 | High temperature resistant flexible cable |
| CN103854726A (en) * | 2013-08-26 | 2014-06-11 | 安徽华星电缆集团有限公司 | Novel intrinsic safety type meter cable |
| CN103871556A (en) * | 2014-02-27 | 2014-06-18 | 新宇电缆集团股份有限公司 | Vehicle high-pressure ignition cable |
| CN103886936A (en) * | 2014-02-25 | 2014-06-25 | 安徽怡和电缆有限公司 | Frequency converter cable |
| CN103928095A (en) * | 2014-04-26 | 2014-07-16 | 芜湖航天特种电缆厂 | Silicon rubber insulation cable provided with Y-shaped nylon framework |
| WO2019236336A1 (en) * | 2018-06-06 | 2019-12-12 | Trilogy Communications, Inc. | Electrical cable and methods of making the same |
| CN111899926A (en) * | 2020-07-15 | 2020-11-06 | 中天科技海缆有限公司 | Power supply cable for low-voltage frequency conversion |
-
2009
- 2009-09-08 CN CN2009201766597U patent/CN201477927U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394153A (en) * | 2011-12-22 | 2012-03-28 | 安徽特力电缆有限公司 | High temperature resistant flexible cable |
| CN103854726A (en) * | 2013-08-26 | 2014-06-11 | 安徽华星电缆集团有限公司 | Novel intrinsic safety type meter cable |
| CN103886936A (en) * | 2014-02-25 | 2014-06-25 | 安徽怡和电缆有限公司 | Frequency converter cable |
| CN103871556A (en) * | 2014-02-27 | 2014-06-18 | 新宇电缆集团股份有限公司 | Vehicle high-pressure ignition cable |
| CN103928095A (en) * | 2014-04-26 | 2014-07-16 | 芜湖航天特种电缆厂 | Silicon rubber insulation cable provided with Y-shaped nylon framework |
| CN103928095B (en) * | 2014-04-26 | 2016-06-01 | 芜湖航天特种电缆厂 | A kind of silicone rubber insulated cable with Y shape polyamide skeleton |
| WO2019236336A1 (en) * | 2018-06-06 | 2019-12-12 | Trilogy Communications, Inc. | Electrical cable and methods of making the same |
| CN111899926A (en) * | 2020-07-15 | 2020-11-06 | 中天科技海缆有限公司 | Power supply cable for low-voltage frequency conversion |
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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 |
Granted publication date: 20100519 Termination date: 20140908 |
|
| EXPY | Termination of patent right or utility model |