CN220306033U - Flame-retardant type full-shielding control cable for subway - Google Patents
Flame-retardant type full-shielding control cable for subway Download PDFInfo
- Publication number
- CN220306033U CN220306033U CN202321436314.7U CN202321436314U CN220306033U CN 220306033 U CN220306033 U CN 220306033U CN 202321436314 U CN202321436314 U CN 202321436314U CN 220306033 U CN220306033 U CN 220306033U
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- Prior art keywords
- layer
- shielding
- flame
- retardant
- control cable
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 44
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000010410 layer Substances 0.000 claims abstract description 59
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 229920000728 polyester Polymers 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- 238000004132 cross linking Methods 0.000 claims abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 239000010425 asbestos Substances 0.000 claims description 9
- 229910052895 riebeckite Inorganic materials 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 8
- 230000002209 hydrophobic effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000009941 weaving Methods 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009954 braiding Methods 0.000 abstract 2
- 238000005457 optimization Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a flame-retardant full-shielding control cable for a subway, which comprises a central soft inner conductor, wherein an insulating layer is sleeved on the surface of the central soft inner conductor, a longitudinal shielding layer is sleeved on the surface of the insulating layer, a wrapping polyester tape layer is sleeved on the surface of the longitudinal shielding layer, a braiding total shielding sleeve is sleeved on the surface of the wrapping polyester tape layer, an outer protective sleeve is sleeved on the surface of the braiding total shielding sleeve, a flame-retardant layer is fixedly connected to the surface of the outer protective sleeve, a protective layer is fixedly connected to the outer surface of the flame-retardant layer, and the longitudinal shielding layer and the outer protective sleeve are made of irradiation crosslinking low-smoke halogen-free materials. According to the utility model, the longitudinal wrapping shielding layer and the outer protective sleeve are manufactured by the irradiation crosslinking low-smoke halogen-free material, so that the flame retardant shielding effect of the cable can be improved, and meanwhile, the protective layer and the flame retardant layer can improve the overall functionality of the cable, so that the whole control cable has more durable performance, and the service life of the safety service period of more than 30 years is satisfied.
Description
Technical Field
The utility model relates to the technical field of special cables matched with rail transit vehicles, in particular to a flame-retardant full-shielding control cable for subways.
Background
Modern subway vehicles run efficiently and green, bring about high traffic volume and high speed to crowded urban traffic, and are safe and accurate; the environment is protected, the space is not occupied, the energy is saved, the application prospect is good, and the living and working convenience is brought to people living in modern cities.
The metro vehicle is mainly used for transmitting power and data through the cable, but the structure of the cable for the existing metro vehicle is single, the inside of the cable is easy to generate high temperature due to the resistance value in the current flowing process, and when inflammables outside the cable are ignited by the high temperature, the cable is easy to damage due to combustion, so that the running safety of the metro vehicle is affected.
Therefore, design modification of the full-shielding control cable for the subway is required.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model aims to provide a flame-retardant full-screen control cable for a subway, which has the advantage of improving the flame retardant effect, and solves the problems that the structure of the cable for the existing subway vehicle is single, the inside of the cable is easy to generate high temperature due to the resistance value in the current flowing process, and when inflammables outside the cable are ignited at high temperature, the cable is easy to damage due to combustion, so that the running safety of the subway vehicle is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a flame-retardant full-shielding control cable for subways comprises a central soft inner conductor;
the surface cover of the soft inner conductor of center is equipped with the insulating layer, the surface cover of insulating layer is equipped with indulges the shielding layer of wrapping, the surface cover of indulging the shielding layer is equipped with around wrapping the polyester tape layer, the surface cover of wrapping the polyester tape layer is equipped with and weaves total shielding cover, the surface cover of weaving total shielding cover is equipped with outer protective sheath, the surface fixedly connected with flame retardant coating of outer protective sheath, the surface fixedly connected with inoxidizing coating of flame retardant coating, the material of indulging shielding layer and outer protective sheath is irradiation crosslinking low smoke zero halogen material.
Preferably, the flame-retardant layer comprises an asbestos tube fixedly connected to the surface of the outer protective sleeve, and a flame-retardant film is wound on the outer surface of the asbestos tube.
Preferably, the protective layer comprises a hydrophobic film wound on the surface of the flame-retardant film, and the surface of the hydrophobic film is coated with a wear-resistant coating.
As the preferable mode of the utility model, the surface of the wear-resistant coating is fixedly connected with a plurality of supporting bars, and the number of the supporting bars is a plurality of and the supporting bars are elastic.
Preferably, the inside of the longitudinally-wrapped shielding layer is filled with glass fibers, and the glass fibers are wrapped on the surface of the insulating layer.
Preferably, the inner part of the wrapping polyester tape layer is provided with filling reinforcing ropes.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the longitudinal wrapping shielding layer and the outer protective sleeve are manufactured by the irradiation crosslinking low-smoke halogen-free material, so that the flame retardant shielding effect of the cable can be improved, and meanwhile, the protective layer and the flame retardant layer can improve the overall functionality of the cable, so that the whole control cable has more durable performance, and the service life of the safety service period of more than 30 years is satisfied.
2. According to the utility model, the asbestos tube and the flame-retardant film are arranged, so that the protection effect of the cable can be improved, and the damage of external combustion flame to the cable can be reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic front view of a partial structure of the present utility model;
fig. 3 is a schematic view of a longitudinally wrapped shielding layer structure of the present utility model.
In the figure: 1. a central soft inner conductor; 2. an insulating layer; 3. longitudinally wrapping the shielding layer; 4. wrapping a polyester tape layer; 5. weaving a total shielding sleeve; 6. an outer protective sleeve; 7. a flame retardant layer; 8. a protective layer; 9. an asbestos tube; 10. a flame retardant film; 11. a hydrophobic membrane; 12. a wear-resistant coating; 13. a support bar; 14. glass fibers; 15. filling the reinforcing ropes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, the flame-retardant full-shielding control cable for subways provided by the utility model comprises a central soft inner conductor 1;
the surface cover of the soft inner conductor 1 of center is equipped with insulating layer 2, and the surface cover of insulating layer 2 is equipped with indulges and wraps shielding layer 3, and the surface cover of indulging and wrap shielding layer 3 is equipped with around wrapping polyester tape layer 4, and the surface cover of wrapping polyester tape layer 4 is equipped with and weaves total shielding cover 5, and the surface cover of weaving total shielding cover 5 is equipped with outer protective sheath 6, and the surface fixedly connected with flame retardant coating 7 of outer protective sheath 6, the surface fixedly connected with inoxidizing coating 8 of flame retardant coating 7, indulges the material of wrapping shielding layer 3 and outer protective sheath 6 and is the low smoke zero halogen material of irradiation crosslinking.
Referring to fig. 2, the flame retardant layer 7 includes an asbestos tube 9 fixedly connected to the surface of the outer protective sheath 6, and a flame retardant film 10 is wound around the outer surface of the asbestos tube 9.
As a technical optimization scheme of the utility model, the asbestos tube 9 and the flame-retardant film 10 are arranged, so that the protection effect of the cable can be improved, and the damage of external combustion flame to the cable can be reduced.
Referring to fig. 2, the protective layer 8 includes a hydrophobic film 11 wound around the surface of a flame retardant film 10, and the surface of the hydrophobic film 11 is coated with a wear-resistant coating 12.
As a technical optimization scheme of the utility model, the function of the cable can be improved and the cable is prevented from being damaged by arranging the hydrophobic film 11 and the wear-resistant coating 12.
Referring to fig. 2, the surface of the wear-resistant coating 12 is fixedly connected with support bars 13, and the number of the support bars 13 is several and has elasticity.
As a technical optimization scheme of the utility model, the cable can be supported by arranging the supporting bars 13, the contact area between the cable and the external contact surface is reduced, and the notification can be convenient for air flow.
Referring to fig. 3, the inside of the longitudinally wrapped shield layer 3 is filled with glass fibers 14, and the glass fibers 14 are wrapped on the surface of the insulating layer 2.
As a technical optimization scheme of the utility model, the central soft inner conductor 1 can be supported by arranging the glass fiber 14, so that the influence of vibration on the central soft inner conductor 1 is reduced.
Referring to fig. 1, a filling reinforcement rope 15 is provided inside the wrapping polyester tape layer 4.
As a technical optimization scheme of the utility model, the filling reinforcing rope 15 is arranged, so that the whole cable is ensured to have higher tensile strength.
The working principle and the using flow of the utility model are as follows: the central soft inner conductor 1 with the insulating layers 2 and the central soft inner conductor 1 with a single pair have independent control effects, the cable is filled with the reinforcing rope 15, the cable is overlapped and covered with the wrapping polyester tape layer 4, the total shielding sleeve 5 is woven outside the wrapping polyester tape layer 4, the external comprehensive outer protective sleeve 6 is woven outside the total shielding sleeve 5, and the flame-retardant type shielded control cable for the metro vehicle is formed, meanwhile, the flame-retardant layer 7 positioned outside the outer protective sleeve 6 can further reduce the damage of flame to the internal structure, the abrasion-resistant coating 12 can reduce the influence of friction loss on the cable, and the supporting strip 13 can support the cable, so that air flow can circulate through the bottom of the cable conveniently.
To sum up: according to the flame-retardant full-shielding control cable for the subway, the longitudinal wrapping shielding layer 3 and the outer protective sleeve 6 are manufactured by irradiation crosslinking low-smoke halogen-free materials, so that the flame-retardant shielding effect of the cable can be improved, meanwhile, the integral functionality of the cable can be improved through the protective layer 8 and the flame-retardant layer 7, the whole control cable is more durable, and the service life of the safety service period is longer than 30 years.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The flame-retardant full-shielding control cable for the subway comprises a central soft inner conductor (1);
the method is characterized in that: the surface cover of soft inner conductor of center (1) is equipped with insulating layer (2), the surface cover of insulating layer (2) is equipped with indulges and wraps shielding layer (3), the surface cover of indulging and wrap shielding layer (3) is equipped with around package polyester tape layer (4), the surface cover of package polyester tape layer (4) is equipped with and weaves total shielding cover (5), the surface cover of weaving total shielding cover (5) is equipped with outer protective sheath (6), the fixed surface of outer protective sheath (6) is connected with flame retardant layer (7), the fixed surface of flame retardant layer (7) is connected with inoxidizing coating (8), the material of indulging package shielding layer (3) and outer protective sheath (6) is irradiation crosslinking low smoke zero halogen material.
2. The flame retardant full shielding control cable for subways of claim 1, wherein: the flame-retardant layer (7) comprises an asbestos tube (9) fixedly connected to the surface of the outer protective sleeve (6), and a flame-retardant film (10) is wound on the outer surface of the asbestos tube (9).
3. The flame retardant full shielding control cable for subways of claim 1, wherein: the protective layer (8) comprises a hydrophobic film (11) wound on the surface of the flame-retardant film (10), and the surface of the hydrophobic film (11) is coated with a wear-resistant coating (12).
4. A fire retardant full shielding control cable for subways according to claim 3, characterized in that: the surface of the wear-resistant coating (12) is fixedly connected with supporting strips (13), and the number of the supporting strips (13) is a plurality of and elastic.
5. The flame retardant full shielding control cable for subways of claim 1, wherein: the inside of the longitudinally-wrapped shielding layer (3) is filled with glass fibers (14), and the glass fibers (14) are wrapped on the surface of the insulating layer (2).
6. The flame retardant full shielding control cable for subways of claim 1, wherein: and a filling reinforcing rope (15) is arranged in the wrapping polyester tape layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321436314.7U CN220306033U (en) | 2023-06-06 | 2023-06-06 | Flame-retardant type full-shielding control cable for subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321436314.7U CN220306033U (en) | 2023-06-06 | 2023-06-06 | Flame-retardant type full-shielding control cable for subway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220306033U true CN220306033U (en) | 2024-01-05 |
Family
ID=89349258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321436314.7U Active CN220306033U (en) | 2023-06-06 | 2023-06-06 | Flame-retardant type full-shielding control cable for subway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220306033U (en) |
-
2023
- 2023-06-06 CN CN202321436314.7U patent/CN220306033U/en active Active
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