CN210640011U - Flexible fireproof cable that feature of environmental protection is strong - Google Patents
Flexible fireproof cable that feature of environmental protection is strong Download PDFInfo
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- CN210640011U CN210640011U CN201921870733.5U CN201921870733U CN210640011U CN 210640011 U CN210640011 U CN 210640011U CN 201921870733 U CN201921870733 U CN 201921870733U CN 210640011 U CN210640011 U CN 210640011U
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Abstract
The utility model relates to a power cable technical field just discloses a flexible fireproof cable that feature of environmental protection is strong, including the sinle silk, the outer wall fixed mounting of sinle silk has the flame retardant coating, the outer wall fixed mounting of flame retardant coating has the insulating layer, the outer wall fixed mounting of insulating layer has first shielding layer, the waterproof layer has been cup jointed to the outer wall of first shielding layer, it has the non-woven fabrics to fill between waterproof layer and the first shielding layer, the outer wall fixed mounting of waterproof layer has insulating rubber layer, the through-hole has been seted up to insulating rubber layer's inside. This flexible fireproof cable that feature of environmental protection is strong, through the crookedness that metal bellows tentatively slowed down fireproof cable, the through-hole on the rethread insulating rubber layer makes insulating rubber layer be convenient for elastic expansion in bending process, avoids insulating rubber layer to exert pressure too big and cause the condition emergence of damage to the core in bending process, reaches the multiple effect that slows down the bending.
Description
Technical Field
The utility model relates to a power cable technical field specifically is a flexible fireproof cable that feature of environmental protection is strong.
Background
The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, in the power line, the proportion of the cable is gradually increased, the power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and comprises 1-500KV and above various voltage grades and various insulated power cables, and the basic structure of the power cable is composed of four parts, namely a wire core (conductor), an insulating layer, a shielding layer and a protective layer.
The traditional cable is generally of a solid structure, the flexibility and the bending performance of the cable are poor, and the cable is easy to break and damage in the bending process, so that the flexible fireproof cable with strong environmental protection is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a flexible fireproof cable that feature of environmental protection is strong possesses advantages such as bending property is good, has solved traditional cable and generally is solid construction, and its compliance and bending property are poor, and the cable causes the problem that the condition of rupture damage takes place easily in bending process.
(II) technical scheme
For the purpose that realizes above-mentioned bending property is good, the utility model provides a following technical scheme: a flexible fireproof cable with strong environmental protection comprises a wire core, a fireproof layer is fixedly arranged on the outer wall of the wire core, an insulating layer is fixedly arranged on the outer wall of the fireproof layer, a first shielding layer is fixedly arranged on the outer wall of the insulating layer, the outer wall of the first shielding layer is sleeved with a waterproof layer, non-woven fabrics are filled between the waterproof layer and the first shielding layer, the outer wall of the waterproof layer is fixedly provided with an insulating rubber layer, the inside of the insulating rubber layer is provided with a through hole, the outer wall of the insulating rubber layer is fixedly provided with a polyethylene sheath, the outer wall of the polyethylene sheath is fixedly provided with a second shielding layer, the outer wall of the second shielding layer is fixedly provided with a high-temperature resistant heat-insulating layer, the outer wall of the high-temperature resistant heat-insulating layer is fixedly provided with a first protective layer, the outer wall fixed mounting of first inoxidizing coating has metal bellows, metal bellows's outer wall fixed mounting has the second inoxidizing coating.
Preferably, the wire core is formed by twisting a plurality of bundles of copper conductors, and the fireproof layer is formed by processing a high-temperature-resistant high-strength carbon fiber composite belt.
Preferably, the insulating layer is an insulating synthetic mica tape, and the first shielding layer is an aluminum foil shielding pipe.
Preferably, the insulating rubber layer is elastic insulating rubber, the through holes are circular holes, and the through holes are distributed in the insulating rubber layer in an annular array.
Preferably, the second shielding layer is a tinned wire braided tube, and the metal corrugated tube is a stainless steel corrugated tube.
Preferably, the first protective layer and the second protective layer are both low smoke zero halogen polyolefin sheaths, and the thicknesses of the first protective layer and the second protective layer are the same.
(III) advantageous effects
Compared with the prior art, the utility model provides a flexible fireproof cable that feature of environmental protection is strong possesses following beneficial effect:
the flexible fireproof cable with strong environmental protection property primarily slows down the bending degree of the fireproof cable through the metal corrugated pipe, and then the insulating rubber layer is convenient to elastically stretch out and draw back in the bending process through the through hole on the insulating rubber layer, thereby avoiding the situation that the insulating rubber layer is damaged due to overlarge pressure on the cable core in the bending process, achieving the effect of multiple bending slowing down, further improving the bending resistance of the flexible fireproof cable, isolating and primarily shielding each cable core through the first shielding layer, and then performing multiple shielding on the cable and external signals through the second shielding layer, achieving the effect of simple and convenient multiple shielding, enabling the data transmission of the flexible fireproof cable to be more accurate, primarily isolating high temperature from the cable core through the fireproof layer, and performing double heat insulation on the cable through the high-temperature resistant heat insulation layer, thereby improving the protection performance of the fireproof cable, so that the fireproof cable is convenient to popularize.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 sinle silk, 2 flame retardant coatings, 3 insulating layers, 4 first shielding layers, 5 waterproof layers, 6 non-woven fabrics, 7 insulating rubber layers, 8 through holes, 9 polyethylene sheaths, 10 second shielding layers, 11 high temperature resistant heat insulating layers, 12 first protective layers, 13 metal corrugated pipes and 14 second protective layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a flexible fireproof cable with strong environmental protection property comprises a wire core 1, a fireproof layer 2 is fixedly installed on the outer wall of the wire core 1, the wire core 1 is formed by twisting a plurality of copper conductors, the fireproof layer 2 is formed by processing a high-temperature-resistant high-strength carbon fiber composite tape, an insulating layer 3 is fixedly installed on the outer wall of the fireproof layer 2, a first shielding layer 4 is fixedly installed on the outer wall of the insulating layer 3, the insulating layer 3 is an insulating synthetic mica tape, the first shielding layer 4 is an aluminum foil shielding pipe, a waterproof layer 5 is sleeved on the outer wall of the first shielding layer 4, non-woven fabrics 6 are filled between the waterproof layer 5 and the first shielding layer 4, an insulating rubber layer 7 is fixedly installed on the outer wall of the waterproof layer 5, a through hole 8 is formed inside the insulating rubber layer 7, the insulating rubber layer 7 is elastic insulating rubber, the through hole 8 is a circular hole, the through hole 8 is distributed, the outer wall of the polyethylene sheath 9 is fixedly provided with a second shielding layer 10, the outer wall of the second shielding layer 10 is fixedly provided with a high temperature resistant heat insulation layer 11, the outer wall of the high temperature resistant heat insulation layer 11 is fixedly provided with a first protection layer 12, the outer wall of the first protection layer 12 is fixedly provided with a metal corrugated pipe 13, the second shielding layer 10 is a tinned wire braided pipe, the metal corrugated pipe 13 is a stainless steel corrugated pipe, the outer wall of the metal corrugated pipe 13 is fixedly provided with a second protection layer 14, the first protection layer 12 and the second protection layer 14 are both low smoke zero halogen polyolefin sheaths, the thicknesses of the first protection layer 12 and the second protection layer 14 are the same, the bending degree of the fireproof cable is preliminarily slowed down through the metal corrugated pipe 13, the insulating rubber layer 7 is convenient for elastic expansion in the bending process through the through hole 8 on the insulating rubber layer 7, and the occurrence of damage caused by the overlarge, reach multiple effect that slows down the bending, thereby the bending resistance performance of this flexible fireproof cable has been improved, keep apart and tentatively shield each sinle silk 1 through first shielding layer 4, rethread second shielding layer 10 carries out multiple shielding to this cable and external signal, reach the effect of simple and convenient multiple shielding, make this flexible fireproof cable's data transmission more accurate, carry out tentatively isolated high temperature to sinle silk 1 through flame retardant coating 2, and carry out dual thermal-insulated through high temperature resistant insulating layer 11 to the cable, thereby the barrier propterty of this fireproof cable has been improved, make this fireproof cable facilitate promotion.
To sum up, the flexibility of the flexible fireproof cable with strong environmental protection is primarily slowed down through the metal corrugated pipe 13, the insulating rubber layer 7 is convenient to elastically stretch out and draw back in the bending process through the through hole 8 on the insulating rubber layer 7, the phenomenon that the insulating rubber layer 7 is damaged due to overlarge pressure applied to the wire cores 1 in the bending process is avoided, and the effect of multiple bending slowing down is achieved, so that the bending resistance of the flexible fireproof cable is improved, the first shielding layer 4 is used for isolating and primarily shielding each wire core 1, the second shielding layer 10 is used for multiple shielding of the cable and external signals, the effect of simple and convenient multiple shielding is achieved, the data transmission of the flexible fireproof cable is more accurate, the wire cores 1 are primarily isolated at high temperature through the fireproof layer 2, and the cable is doubly insulated through the high-temperature-resistant heat-insulating layer 11, thereby improved this fireproof cable's barrier propterty for this fireproof cable facilitate promotion has solved traditional cable and has generally been solid construction, and its compliance and bending property are poor, and the cable causes the problem that the condition of rupture damage takes place easily at the bending in-process.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a flexible fireproof cable that environmental protection nature is strong, includes sinle silk (1), its characterized in that: the cable core is characterized in that a fireproof layer (2) is fixedly arranged on the outer wall of the cable core (1), an insulating layer (3) is fixedly arranged on the outer wall of the fireproof layer (2), a first shielding layer (4) is fixedly arranged on the outer wall of the insulating layer (3), a waterproof layer (5) is sleeved on the outer wall of the first shielding layer (4), a non-woven fabric (6) is filled between the waterproof layer (5) and the first shielding layer (4), an insulating rubber layer (7) is fixedly arranged on the outer wall of the waterproof layer (5), a through hole (8) is formed in the insulating rubber layer (7), a polyethylene sheath (9) is fixedly arranged on the outer wall of the insulating rubber layer (7), a second shielding layer (10) is fixedly arranged on the outer wall of the polyethylene sheath (9), a high-temperature-resistant heat insulation layer (11) is fixedly arranged on the outer wall of the second shielding layer (10), a first protective layer (12), the outer wall fixed mounting of first inoxidizing coating (12) has metal bellows (13), the outer wall fixed mounting of metal bellows (13) has second inoxidizing coating (14).
2. The flexible fireproof cable with high environmental protection property according to claim 1, wherein: the cable core (1) is formed by twisting a plurality of bundles of copper conductors, and the fireproof layer (2) is formed by processing a high-temperature-resistant high-strength carbon fiber composite belt.
3. The flexible fireproof cable with high environmental protection property according to claim 1, wherein: the insulating layer (3) is an insulating synthetic mica tape, and the first shielding layer (4) is an aluminum foil shielding pipe.
4. The flexible fireproof cable with high environmental protection property according to claim 1, wherein: the insulating rubber layer (7) is elastic insulating rubber, the through holes (8) are circular holes, and the through holes (8) are distributed in an annular array inside the insulating rubber layer (7).
5. The flexible fireproof cable with high environmental protection property according to claim 1, wherein: the second shielding layer (10) is a tinned wire braided tube, and the metal corrugated tube (13) is a stainless steel corrugated tube.
6. The flexible fireproof cable with high environmental protection property according to claim 1, wherein: the first protective layer (12) and the second protective layer (14) are both low smoke zero halogen polyolefin sheaths, and the thicknesses of the first protective layer (12) and the second protective layer (14) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870733.5U CN210640011U (en) | 2019-11-01 | 2019-11-01 | Flexible fireproof cable that feature of environmental protection is strong |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870733.5U CN210640011U (en) | 2019-11-01 | 2019-11-01 | Flexible fireproof cable that feature of environmental protection is strong |
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| CN210640011U true CN210640011U (en) | 2020-05-29 |
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| CN201921870733.5U Active CN210640011U (en) | 2019-11-01 | 2019-11-01 | Flexible fireproof cable that feature of environmental protection is strong |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280873A (en) * | 2021-06-17 | 2021-08-20 | 北京北方华创微电子装备有限公司 | Semiconductor cleaning equipment and solution flow monitoring device thereof |
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2019
- 2019-11-01 CN CN201921870733.5U patent/CN210640011U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280873A (en) * | 2021-06-17 | 2021-08-20 | 北京北方华创微电子装备有限公司 | Semiconductor cleaning equipment and solution flow monitoring device thereof |
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Denomination of utility model: Flexible fireproof cable with strong environmental protection Effective date of registration: 20211224 Granted publication date: 20200529 Pledgee: Chongqing Branch of China Everbright Bank Co., Ltd Pledgor: CHONGQING KEBAO CABLE Co.,Ltd. Registration number: Y2021500000075 |