CN209045187U - A kind of fire-type protective metal shell flexible inorganic mineral insulation control cable - Google Patents
A kind of fire-type protective metal shell flexible inorganic mineral insulation control cable Download PDFInfo
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- CN209045187U CN209045187U CN201821887511.XU CN201821887511U CN209045187U CN 209045187 U CN209045187 U CN 209045187U CN 201821887511 U CN201821887511 U CN 201821887511U CN 209045187 U CN209045187 U CN 209045187U
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- inorganic mineral
- fire
- cable
- extruded sleeve
- metal shell
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Abstract
The utility model discloses a kind of fire-type protective metal shell flexible inorganic mineral insulations to control cable, including polyolefin jacket and copper sheath, the polyolefin jacket is wrapped in the outside of copper sheath, and corrugated surface is provided on the outside of the copper sheath, and the inner surface of the copper sheath posts sealing strip.A kind of fire-type protective metal shell flexible inorganic mineral insulation described in the utility model controls cable, equipped with inorganic mineral filling part, interior extruded sleeve, outer extruded sleeve, polyolefin jacket, copper sheath and sealing strip, it is filled using inorganic mineral, performance with the consume of low dielectric, and it is simple and easy to get, cost is reduced, while being squeezed in opposite directions using interior extruded sleeve and outer extruded sleeve in cable bend, guarantees the density of Inorganic nonmetal mineral compacting；Duplex sheath cooperates, and effectively improves fireproofing of cable ability, while sealing strip can add the gap of stifled copper sheath, moreover it is possible to oxygen be isolated in burning, be applicable in different operating situation, bring better prospect of the application.
Description
Technical field
The utility model relates to field of cables, in particular to a kind of fire-type protective metal shell flexible inorganic mineral insulation control
Cable.
Background technique
Control cable is controlled suitable for industrial and mining enterprises, energy traffic department, for 450/750 volt of ac rated voltage or less
The polyvinyl chloride insulation that the occasions such as system, protection circuit use controls cable, and control cable has moisture-proof, anti-corrosion and antisitic defect etc. special
Point can be laid in tunnel or cable duct；There is certain drawbacks, the filling in cable when in use in existing control cable
Object polypropylene tape, non-woven fabrics etc., price is relatively high, so that increased production cost, while the density of filler compacting is inadequate,
Insulating property (properties) is influenced, the sheath in outside is thiner, and flameproof effect is bad, brings certain unfavorable shadow in use
It rings, for this purpose, it is proposed that a kind of fire-type protective metal shell flexible inorganic mineral insulation controls cable.
Utility model content
The main purpose of the utility model is to provide a kind of fire-type protective metal shell flexible inorganic mineral insulation control electricity
Cable can effectively solve the problems in background technique.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of fire-type protective metal shell flexible inorganic mineral insulation control cable, including polyolefin jacket and copper sheath, institute
The outside that polyolefin jacket is wrapped in copper sheath is stated, corrugated surface, the interior table of the copper sheath are provided on the outside of the copper sheath
Face paste has sealing strip, and the copper sheath is internally provided with temperature-resistant insulation layer, and the inside of the temperature-resistant insulation layer includes nothing
Mica tape is posted in machine fibrefill and four groups of cable cores between inorfil filler, the outer surface of the cable core, institute
That states cable core is internally provided with inorganic mineral filling part, is equipped with copper at the bosom position of the inorganic mineral filling part and leads
Body, the inside of the inorganic mineral filling part are equipped with interior extruded sleeve, the inorganic mineral filling part on the outside of copper conductor
Outside outer extruded sleeve is installed.
Preferably, the polyolefin jacket with a thickness of 15-18mm, the ripple on the corrugated surface is in certain sequence and side
To arrangement.
Preferably, the sealing strip is made of conductive tape, and the temperature range that the temperature-resistant insulation layer uses is -50 degree
To+260 degree.
Preferably, the number of plies of the mica tape winding is 3-5 layers, and the inside of the inorganic mineral filling part is filled with density
Biggish Inorganic nonmetal mineral, and formed by the squeezing action of interior extruded sleeve and outer extruded sleeve.
Preferably, being twisted again by the silver-plated soft copper silk of several groups for the copper conductor forms, the interior extruded sleeve and outer extruded sleeve
It is that carbon fibre material is made.
Compared with prior art, the utility model has the following beneficial effects: the fire-type protective metal shell flexible inorganic mine
Object insulation control cable is filled by setting inorganic mineral filling part, interior extruded sleeve and outer extruded sleeve using inorganic mineral, is had
There is the performance of low dielectric consume, and simple and easy to get, reduces production cost, while curved in cable using interior extruded sleeve and outer extruded sleeve
It is squeezed in opposite directions when bent, guarantees the density of Inorganic nonmetal mineral compacting, improve the property of its insulation；It is protected by setting polyolefin
Set, copper sheath and sealing strip, duplex sheath cooperate, and effectively improve fireproofing of cable ability, at the same sealing strip can add it is stifled
The gap of copper sheath, moreover it is possible to oxygen be isolated in burning, play fire-retardant effect；Entire cable design is simple, has fire resisting, height
Continue working that good stability, waterproof, shielding properties, mechanical performance, current overload performance be strong, the low smoke and non-toxic feature of environmental protection under warm environment
The advantages that good, the effect used are more preferable relative to traditional approach.
Detailed description of the invention
Fig. 1 is that a kind of overall structure of fire-type protective metal shell flexible inorganic mineral insulation control cable of the utility model is shown
It is intended to；
Fig. 2 is the section view that a kind of fire-type protective metal shell flexible inorganic mineral insulation of the utility model controls cable copper sheath
Figure；
Fig. 3 is the structure that a kind of fire-type protective metal shell flexible inorganic mineral insulation of the utility model controls cable conductor
Figure；
Fig. 4 is that a kind of fire-type protective metal shell flexible inorganic mineral insulation of the utility model controls the filling of cable inorganic mineral
The extruding sectional view in portion.
In figure: 1, polyolefin jacket；2, copper sheath；3, corrugated surface；4, sealing strip；5, temperature-resistant insulation layer；6, inorganic fibre
Tie up filler；7, cable core；71, mica tape；72, inorganic mineral filling part；73, copper conductor；74, interior extruded sleeve；75, outer extruding
Set.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figs 1-4, a kind of fire-type protective metal shell flexible inorganic mineral insulation controls cable, including polyolefin jacket
1 and copper sheath 2, polyolefin jacket 1 be wrapped in the outside of copper sheath 2, the outside of copper sheath 2 is provided with corrugated surface 3, copper sheath 2
Inner surface post sealing strip 4, copper sheath 2 is internally provided with temperature-resistant insulation layer 5, and the inside of temperature-resistant insulation layer 5 includes
Inorfil filler 6 and four groups of cable cores 7 between inorfil filler 6, mica tape is posted in the outer surface of cable core 7
71, cable core 7 is internally provided with inorganic mineral filling part 72, is equipped with copper at the bosom position of inorganic mineral filling part 72
The inside of conductor 73, inorganic mineral filling part 72 is equipped with interior extruded sleeve 74, inorganic mineral filling close to the outside of copper conductor 73
The outside in portion 72 is equipped with outer extruded sleeve 75；
Polyolefin jacket 1 with a thickness of 15-18mm, the ripple on corrugated surface 3 is in certain sequence and direction arrangement；Sealing strip
4 are made of conductive tape, and the temperature range that temperature-resistant insulation layer 5 uses is -50 degree to+260 degree；The number of plies that mica tape 71 is wound
It is 3-5 layers, the inside of inorganic mineral filling part 72 is filled with the biggish Inorganic nonmetal mineral of density, and passes through interior extruded sleeve 74
It is formed with the squeezing action of outer extruded sleeve 75；Being twisted again by the silver-plated soft copper silk of several groups for copper conductor 73 forms, interior 74 He of extruded sleeve
Outer extruded sleeve 75 is that carbon fibre material is made, and elasticity is good, and quality is hard, wear-resisting, when effectively forming face contact to filler
Extruding force.
It should be noted that the utility model is that a kind of fire-type protective metal shell flexible inorganic mineral insulation controls cable,
Cable core 7 includes mica tape 71, inorganic mineral filling part 72 and copper conductor 73, and copper conductor 73 is by the silver-plated soft copper silk of several groups strand group again
At, it then is filled with the biggish Inorganic nonmetal mineral of density in the inside of the inorganic mineral filling part 72 in 73 outside of copper conductor,
It is squeezed in opposite directions by interior extruded sleeve 74 and outer extruded sleeve 75 in cable bend again, guarantees the close of Inorganic nonmetal mineral compacting
Degree improves the property of its insulation, and mica tape 71 is wrapped in the outermost of cable core 7, plays the role of isolation and shielding, in four groups of cables
There are also inorfil fillers 6 to fill between core 7, guarantees internal structural strength, high temperature resistant is enclosed on the outside of the two
Insulating layer 5, tolerance is strong, the feature for being suitble to control cable current big, while being provided with double shields in the outside of temperature-resistant insulation layer 5
Set, one is copper sheath 2, and there are one be polyolefin jacket 1, polyolefine material of the polyolefin jacket 1 using low smoke and zero halogen, tool
Have the characteristics that continue working under fire resisting, hot environment, stability it is good, while copper sheath 2 being assisted to solve the problems, such as to be easy burning, wave
Ripple on line face 3 reduces the structural strength on stress surface, improves the bending property of copper sheath 2, sealing strip 4 is attached to copper sheath
On the one hand 2 inner surface adds the gap of stifled copper sheath 2, oxygen on the other hand is isolated in burning, plays fire-retardant effect, compared with
It is practical.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of fire-type protective metal shell flexible inorganic mineral insulation controls cable, it is characterised in that: including polyolefin jacket (1)
With copper sheath (2), the polyolefin jacket (1) is wrapped in the outside of copper sheath (2), is provided on the outside of the copper sheath (2)
The inner surface of corrugated surface (3), the copper sheath (2) posts sealing strip (4), and the copper sheath (2) is internally provided with high temperature resistant
Insulating layer (5), the inside of the temperature-resistant insulation layer (5) include inorfil filler (6) and be located at inorfil filler
(6) four groups of cable cores (7) between, the outer surface of the cable core (7) are posted mica tape (71), the inside setting of the cable core (7)
There is inorganic mineral-filled portion (72), copper conductor (73) be installed at the bosom position of the inorganic mineral filling part (72),
The inside of the inorganic mineral filling part (72) is equipped with interior extruded sleeve (74) on the outside of copper conductor (73), the inorganic mine
Outer extruded sleeve (75) are installed on the outside of object filling part (72).
2. a kind of fire-type protective metal shell flexible inorganic mineral insulation according to claim 1 controls cable, feature exists
In: the polyolefin jacket (1) with a thickness of 15-18mm, the ripple on the corrugated surface (3) is in certain sequence and direction row
Column.
3. a kind of fire-type protective metal shell flexible inorganic mineral insulation according to claim 1 controls cable, feature exists
In: the sealing strip (4) is made of conductive tape, and the temperature range that the temperature-resistant insulation layer (5) uses is that -50 degree arrive+260
Degree.
4. a kind of fire-type protective metal shell flexible inorganic mineral insulation according to claim 1 controls cable, feature exists
In: the number of plies of mica tape (71) winding is 3-5 layers, and the inside of the inorganic mineral filling part (72) is larger filled with density
Inorganic nonmetal mineral, and pass through the squeezing action of interior extruded sleeve (74) and outer extruded sleeve (75) form.
5. a kind of fire-type protective metal shell flexible inorganic mineral insulation according to claim 1 controls cable, feature exists
In: being twisted again by the silver-plated soft copper silk of several groups for the copper conductor (73) forms, the interior extruded sleeve (74) and outer extruded sleeve (75)
It is that carbon fibre material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821887511.XU CN209045187U (en) | 2018-11-16 | 2018-11-16 | A kind of fire-type protective metal shell flexible inorganic mineral insulation control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821887511.XU CN209045187U (en) | 2018-11-16 | 2018-11-16 | A kind of fire-type protective metal shell flexible inorganic mineral insulation control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209045187U true CN209045187U (en) | 2019-06-28 |
Family
ID=67042594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821887511.XU Active CN209045187U (en) | 2018-11-16 | 2018-11-16 | A kind of fire-type protective metal shell flexible inorganic mineral insulation control cable |
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| CN (1) | CN209045187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927844A (en) * | 2021-02-05 | 2021-06-08 | 山东中迈电缆有限公司 | Flexible fireproof mineral insulated cable and preparation method thereof |
-
2018
- 2018-11-16 CN CN201821887511.XU patent/CN209045187U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927844A (en) * | 2021-02-05 | 2021-06-08 | 山东中迈电缆有限公司 | Flexible fireproof mineral insulated cable and preparation method thereof |
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