CN201622873U - Flame-retardant fire-resistant variable-frequency cable - Google Patents
Flame-retardant fire-resistant variable-frequency cable Download PDFInfo
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- CN201622873U CN201622873U CN 201020135349 CN201020135349U CN201622873U CN 201622873 U CN201622873 U CN 201622873U CN 201020135349 CN201020135349 CN 201020135349 CN 201020135349 U CN201020135349 U CN 201020135349U CN 201622873 U CN201622873 U CN 201622873U
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Abstract
The utility model discloses a flame-retardant fire-resistant variable-frequency cable. A plurality of insulation wire cores are twisted for forming a cable core, a filling layer is arranged in a gap of the cable core, the insulation wire core consists of a conductor, a mica tape fire-resistant layer and an insulation layer from inside to outside, the insulation layer is made of 150 DEG C radiation cross linking polyethylene insulation materials, then, a first shielding layer is woven outside each insulation wire core, and a low-smoke halogen-free glass fiber belt, an inner protective sleeve, a main shielding layer, a covering belt layer and an outer protective layer are sequentially covered outside the cable core and the filling layer. The product of the utility model has the advantages of high environment-protection performance, little-smoke generation and no-harmful hydracid substance generation during the combustion, good ant and mouse prevention performance, good flame-retardant performance and good fire-resistant performance, belongs to a novel product integrating the high-environment-protection performance, the ant and mouse prevention performance, the flame-retardant performance and the fire-resistant performance into a whole body, and has wide market prospects.
Description
Technical field:
The utility model relates to a kind of frequency-changing cable, is specifically related to a kind of flame-retardant type frequency-changing cable.
Background technology:
The frequency-changing cable of Xiao Shouing has general frequency-changing cable in the market, fire-retardant frequency-changing cable, fire-resistant frequency-changing cable, high temperature resistant frequency-changing cable, anticorrosion frequency-changing cable etc., the performance dullness that these cables are main, can not adapt to the field of employment that two and above performance requirement are arranged, simultaneously in current society, require cable to have multiple superior function, can satisfy the demand of different places, promptly not only require cable to have high environmental-protecting performance, and require cable to have fire resistance, fire resistance, also require cable that anti-ant mouse performance is arranged simultaneously, cable can guarantee normal operation a period of time when particularly also requiring as breaking out of fire in the place that some personnel concentrate, the personnel of assurance have enough time escapes, and produce less smog and harmful substance during burning, avoid causing the generation of human casualty accident and property loss, promptly require cable that good flame retardancy is arranged, fire resistance and anti-ant mouse performance, the cable that has single performance thus on the market can not guarantee safe operation.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of both to have been possessed high environmental-protecting performance, produced less smog when burning and not to have produced harmful hydracid material, possessed the flame-retardant type frequency-changing cable of good anti-ant mouse performance, fire resistance and fire resistance again.
The utility model technical solution problem adopts following technical scheme:
Flame-retardant type frequency-changing cable, the stranded formation cable cores of edge core that thoroughly do away with more, be provided with packed layer in the cable core gap, described insulated wire cores from-inner-to-outer is made of conductor, mica tape flame retardant coating and insulating barrier, described insulating barrier is made by 150 ℃ of IXPE insulating material, be woven with first screen then outside each insulated wire cores, cable core and packed layer are coated with low smoke and zero halogen glass fibre belt, inner sheath, total screen, belting layer and outer jacket outward successively.
Described packed layer is the glass fibre gasket for packing.
Described first screen and total screen are the copper wire woven shield.
Described outer jacket is the anti-ant mouse outer jacket of low-smoke non-halogen flame-retardant.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
Conductor adopts the copper core compacted stranded conductor of the 2nd class, can prevent the corrosion of moisture content and other harmful substance; Insulating barrier adopts 150 ℃ of IXPE to make, this material not only has the superior electrical property of polyethylene, and compare with common polythene, its mechanical performance is improved greatly, especially tensile strength is several times of common polythene, the environmental stress resistance performance of this material also improves a lot in addition, common polythene material environmental stress resistance performance is poor, the insulation cracking phenomena in use appears easily, but the environmental stress resistance performance of this new material obtains very big improvement, avoided cable the phenomenon that insulate and ftracture, the useful life of having improved cable greatly in use to occur; Oxygen barrier layer adopts the low smoke and zero halogen inner sheath of low smoke and zero halogen glass fibre belt+high oxygen index, and inner sheath material oxygen barrier index reaches 40%, promptly has fire resistance preferably; Outer jacket adopts the anti-ant mouse sheath material of resistant environmental low-smoke halogen-free flame; this material adopts the termite-resistant rodent-resistant repellant that extracts from multiple natural plants; after repeatedly compound, add in the cable sheath material; make cable jacket contain a kind of specific peculiar smell; because of being upset, its sense of smell detests and rejects contact behind the mouse ant class animal contact cable; also can send impalpable information and produce population effect simultaneously, thereby reach the purpose that the protection cable is not destroyed by the mouse ant to colony.Smoke density was very low when the utility model product had burning, non-corrosiveness gas is overflowed, do not produce harmful hydracid material yet, termite-proof and mouse bites, possess advantages such as high flame retardant and fire resistance simultaneously, can be widely used in the place that some personnel relatively concentrate, also be extensive use of in China temperate zone and subtropical zone many mouse ant area.In a word, this utility model product is a kind of new product that environmental protection, anti-ant mouse, performance such as fire-retardant, fire-resistant are integrated in one, and vast market prospect is arranged.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Number in the figure: 1 conductor, 2 mica tape flame retardant coatings, 3 insulating barriers, 4 first screens, 5 packed layers, 6 low smoke and zero halogen glass fibre belts, 7 inner sheaths, 8 total screens, 9 belting layers, 10 outer jackets.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment:
Embodiment: shown in Figure 1, the described flame-retardant type of present embodiment frequency-changing cable, conductor 1 adopts the copper core of the 2nd class formation to press stranded conductor wire core, and the following step of conductor production process: wire drawing-annealing-twisted wire, stranded conductor wire core has stronger tensile property.The wrapped formation mica tape of mica tape flame retardant coating 2, at first at the overlapping wrapped two-layer mica tape of conductive surface, all adopt overlapping wrapped, the rate of putting up is controlled between 20～30%, insulating barrier 3 adopts 150 ℃ of IXPE Insulation Material, its production process is produced on the SJ65 plastic extruding machine and is finished, adopt tubular molding tool to extrude, to irradiation producer the cable insulation core is carried out irradiation processing then, guarantee that cable has good electrical property, high mechanical performance and stronger tensile strength, its extrusion temperature is according to the difference of warm area and different, body temperature is controlled at 180 ± 10 ℃, and head temperature is controlled at 200 ± 5 ℃, and die temperature is controlled at 190 ± 5 ℃, can carry out suitable adjustment according to extrusion equipment and material different, differ 5～10 ℃ in winter and summer.First screen 4 adopts the copper wire woven shield, and its count is not less than 80%.Packed layer 5 and low smoke and zero halogen glass fibre belt 6 guarantee the roundness of cable, and inner sheath 7 adopts the low smoke and zero halogen material, weaves the total screen 8 of one deck behind the inner sheath again, adopts the copper wire woven shield, and its count is not less than 80%.Outer jacket 10 adopts the anti-ant mouse outer jacket of low-smoke non-halogen flame-retardant, also adopt tubular molding tool to extrude, extrusion temperature is according to the difference of warm area and different, body temperature is controlled at 115 ± 10 ℃, head temperature is controlled at 140 ± 10 ℃, die temperature is controlled at 130 ± 5 ℃, can carry out suitable adjustment according to extrusion equipment and material different, differs 5～10 ℃ in winter and summer.Production equipment can adopt different sheath extruders to produce according to the size of the outside diameter of cable: the use SJ90 extruder of external diameter below 35mm, the use SJ120 extruder of external diameter more than 35mm.
Claims (5)
1. flame-retardant type frequency-changing cable, it is characterized in that the stranded formation cable cores of edge core that thoroughly do away with more, be provided with packed layer (5) in the cable core gap, described insulated wire cores from-inner-to-outer is made of conductor (1), mica tape flame retardant coating (2) and insulating barrier (3), each insulated wire cores is woven with first screen (4) outward, outer low smoke and zero halogen glass fibre belt (6), inner sheath (7), total screen (8), belting layer (9) and the outer jacket (10) of being coated with successively of cable core and packed layer (5).
2. flame-retardant type frequency-changing cable according to claim 1 is characterized in that described insulating barrier (3) is made by 150 ℃ of IXPE insulating material.
3. flame-retardant type frequency-changing cable according to claim 1 is characterized in that described packed layer (5) is the glass fibre gasket for packing.
4. flame-retardant type frequency-changing cable according to claim 1 is characterized in that, described first screen (4) and total screen (8) are the copper wire woven shield.
5. flame-retardant type frequency-changing cable according to claim 1 is characterized in that, described outer jacket (10) is the anti-ant mouse outer jacket of low-smoke non-halogen flame-retardant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020135349 CN201622873U (en) | 2010-03-17 | 2010-03-17 | Flame-retardant fire-resistant variable-frequency cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020135349 CN201622873U (en) | 2010-03-17 | 2010-03-17 | Flame-retardant fire-resistant variable-frequency cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201622873U true CN201622873U (en) | 2010-11-03 |
Family
ID=43026329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020135349 Expired - Lifetime CN201622873U (en) | 2010-03-17 | 2010-03-17 | Flame-retardant fire-resistant variable-frequency cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201622873U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117121A (en) * | 2013-02-22 | 2013-05-22 | 江苏华明电缆有限公司 | Copper wire armor fire-resistant cable |
| CN103854746A (en) * | 2012-11-28 | 2014-06-11 | 上海起帆电线电缆有限公司 | Novel low-smoke halogen free fireproof flexible cable |
-
2010
- 2010-03-17 CN CN 201020135349 patent/CN201622873U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854746A (en) * | 2012-11-28 | 2014-06-11 | 上海起帆电线电缆有限公司 | Novel low-smoke halogen free fireproof flexible cable |
| CN103117121A (en) * | 2013-02-22 | 2013-05-22 | 江苏华明电缆有限公司 | Copper wire armor fire-resistant cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |
|
| CX01 | Expiry of patent term |