CN207833991U - A kind of railcar special high temperature-resistant oil resistant shielded multiconductor cable - Google Patents
A kind of railcar special high temperature-resistant oil resistant shielded multiconductor cable Download PDFInfo
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- CN207833991U CN207833991U CN201820249144.4U CN201820249144U CN207833991U CN 207833991 U CN207833991 U CN 207833991U CN 201820249144 U CN201820249144 U CN 201820249144U CN 207833991 U CN207833991 U CN 207833991U
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- conductive sheet
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- proof combustion
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Abstract
The utility model discloses a kind of railcar special high temperature-resistant oil resistant shielded multiconductor cables, including：The cable core that is made of more cores and wrapping layer, shielded layer, heat-proof combustion-resistant layer and the resistance to oil reservoir for being coated on cable core periphery successively, wherein：The outer wall of heat-proof combustion-resistant layer is equipped with several linear grooves, and the bottom of linear groove is equipped with the first conductive sheet；The expanding layer being made by meeting oily expanding material is equipped between heat-proof combustion-resistant layer and resistance to oil reservoir, expanding layer is equipped with second conductive sheet positioned opposite with the first conductive sheet close to the side side of heat-proof combustion-resistant layer；It is reserved with spacing between second conductive sheet and the first conductive sheet, precaution device is equipped between the second conductive sheet and the first conductive sheet；Precaution device has positive terminal and negative terminal, and positive terminal, negative terminal are connect with the first conductive sheet, the second conductive sheet respectively.The utility model can effectively improve the security performance that cable uses, and structure more compact and reasonable, the degree of packing higher of stranding.
Description
Technical field
The utility model is related to field of cable technology more particularly to a kind of railcar special high temperature-resistant oil resistant multicore screens
Cover cable.
Background technology
High temperature resistant oil resistant cable is urban light rail and the common special cable of subway, and existing high temperature resistant oil resistant is in permeability early warning
Aspect still have some deficits place, it would be highly desirable to improve.
Utility model content
Based on above-mentioned background technology, the utility model proposes a kind of railcar special high temperature-resistants
Oil resistant shielded multiconductor cable.
The utility model proposes a kind of railcar special high temperature-resistant oil resistant shielded multiconductor cables, including：By more
The cable core of core composition and wrapping layer, shielded layer, heat-proof combustion-resistant layer and the resistance to oil reservoir for being coated on cable core periphery successively, wherein：
The outer wall of heat-proof combustion-resistant layer is equipped with several and extends in the same direction simultaneously circumferential uniformly distributed linear groove, each linear groove with cable core
Bottom be equipped with the first conductive sheet extended in the same direction with it；
The expanding layer being made by meeting oily expanding material, the inner wall of expanding layer are equipped between heat-proof combustion-resistant layer and resistance to oil reservoir
Outer wall with heat-proof combustion-resistant layer is against the inner wall of the outer wall of expanding layer and resistance to oil reservoir is against expanding layer is close to heat-proof combustion-resistant layer
It is equipped with second positioned opposite with the first conductive sheet in the linear groove on the side of side and at any one linear groove
Conductive sheet；Second conductive sheet is made by flexible conductive material, is reserved between the second conductive sheet and the first conductive sheet
There is spacing, precaution device is equipped between the second conductive sheet and the first conductive sheet；Precaution device has positive terminal and negative terminal,
Its positive terminal, negative terminal are connect with the first conductive sheet, the second conductive sheet respectively.
Preferably, expanding layer is equipped with and stretches close to the side of heat-proof combustion-resistant layer and at the notch of any one linear groove
Enter the lug boss inside the linear groove, second conductive sheet is located at lug boss and stretches into one end of linear groove and consolidate with lug boss
It is fixed.
Preferably, the periphery of expanding layer is equipped with the limit shielded layer that reclines with it, limit shielded layer it is wrapped by metal tape and
At.
Preferably, core includes conductor and is coated on the insulating layer of conductor periphery, and insulating layer is by low smoke and zero halogen insulating materials
It is made.
In the utility model, linear groove is arranged by the outer wall in heat-proof combustion-resistant layer, is arranged first in the bottom of linear groove
Conductive sheet, the expanding layer that setting is made by meeting oily expanding material between heat-proof combustion-resistant layer and resistance to oil reservoir, is leaned in expanding layer
Side setting and the first conductive sheet the second conductive sheet positioned opposite of near-linear slot, and in the first conductive sheet, the second conductive sheet
One end setting with both the precaution device that connect, in work, when resistance to oil reservoir damage cause oil plant penetrate into its it is internal when, expanding layer exists
The place for meeting oil generates expansion, and heat-proof combustion-resistant layer and resistance to oil reservoir it is bidirectionally limited under, can only to stretching inside linear groove, from
And push from the second conductive sheet that elastic conducting material is made to the first conductive sheet direction flexural deformation, when its any point
When being contacted with the first conductive sheet, it is formed into a loop between the first conductive sheet, the second conductive sheet and precaution device, at this point, precaution device is sent out
Early warning, so that maintenance personnel eliminates safe hidden trouble in time, to improve the security performance that the cable uses, and structure is more
Compact and reasonable, the degree of packing higher of stranding.
Description of the drawings
Fig. 1 be the utility model proposes the structure of railcar special high temperature-resistant oil resistant shielded multiconductor cable a kind of show
It is intended to.
Specific implementation mode
In the following, the technical solution of the utility model is described in detail by specific embodiment.
As shown in FIG. 1, FIG. 1 is the utility model proposes a kind of railcar special high temperature-resistant oil resistant multicore shielding electricity
The structural schematic diagram of cable.
Referring to Fig.1, a kind of railcar that the utility model embodiment proposes special high temperature-resistant oil resistant multicore shielding electricity
Cable, including：The cable core 1 that is made of more cores and the wrapping layer 2 for being coated on 1 periphery of cable core successively, shielded layer 3, heat-proof combustion-resistant
Layer 4 and resistance to oil reservoir 5, wherein：Core includes conductor and is coated on the insulating layer of conductor periphery, and insulating layer is by low smoke and zero halogen insulation material
Material is made.The outer wall of heat-proof combustion-resistant layer 4 is equipped with several and extends in the same direction simultaneously circumferential uniformly distributed linear groove with cable core 1, respectively
The bottom of linear groove is equipped with the first conductive sheet 6 extended in the same direction with it.It is equipped between heat-proof combustion-resistant layer 4 and resistance to oil reservoir 5 by meeting
The expanding layer 7 that oily expanding material is made, the inner wall of expanding layer 7 is with the outer wall of heat-proof combustion-resistant layer 4 against outside expanding layer 7
The inner wall of wall and resistance to oil reservoir 5 is against expanding layer 7 is on the side side of heat-proof combustion-resistant layer 4 and is located at any one linear groove
Place is equipped with second conductive sheet 8 positioned opposite with the first conductive sheet 6 in the linear groove.
Second conductive sheet 8 is made by flexible conductive material, between the second conductive sheet 8 and the first conductive sheet 6
It is reserved with spacing, precaution device is equipped between the second conductive sheet 8 and the first conductive sheet 6；Precaution device has positive terminal and cathode
Binding post, positive terminal, negative terminal are connect with the first conductive sheet 6, the second conductive sheet 8 respectively.
In addition, in the present embodiment, slot of the expanding layer 7 close to the side of heat-proof combustion-resistant layer 4 and positioned at any one linear groove
It is equipped with the lug boss stretched into inside the linear groove at mouthful, second conductive sheet 8 is located at one end that lug boss stretches into linear groove
And it is fixed with lug boss；To be oriented to using lug boss, when expanding layer 6 being made to expand, the second conductive sheet 8 can be moved more stably
It is dynamic.
In the present embodiment, the periphery of expanding layer 7 is equipped with the limit shielded layer 9 to recline with it, and limit shielded layer 9 is by metal tape
It is wrapped to form, to reinforce the limit effect for the expansion direction that the while of shielding further increases to expanding layer 7 using metal tape, make
It can only be expanded to its interior direction.
The utility model works in this way：Linear groove is set by the outer wall in heat-proof combustion-resistant layer 4, at the bottom of linear groove
The first conductive sheet 6 is arranged in portion, the expansion that setting is made by meeting oily expanding material between heat-proof combustion-resistant layer 4 and resistance to oil reservoir 5
Layer 7, in expanding layer 7 close to the setting of the side of linear groove and the first conductive sheet 6 second conductive sheet 8 positioned opposite, and first
The precaution device that one end setting of conductive sheet 6, the second conductive sheet 8 is connect with the two, in work, when the damage of resistance to oil reservoir 5 causes oil plant
Penetrate into its it is internal when, expanding layer 7 generates expansion in the place for meeting oil, and in the bidirectionally limited of heat-proof combustion-resistant layer 4 and resistance to oil reservoir 5
Under, it can only be to stretching inside linear groove, to push from the second conductive sheet 8 that elastic conducting material is made to the first conduction
6 direction flexural deformation of piece, when its any point is contacted with the first conductive sheet 6, the first conductive sheet 6, the second conductive sheet 8 and early warning
It is formed into a loop between device, at this point, precaution device sends out early warning, so that maintenance personnel eliminates safe hidden trouble in time, to improve
The security performance that the cable uses, and structure more compact and reasonable, the degree of packing higher of stranding.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of railcar special high temperature-resistant oil resistant shielded multiconductor cable, which is characterized in that including：It is made of more cores
Cable core (1) and be coated on the wrapping layer (2), shielded layer (3), heat-proof combustion-resistant layer (4) and resistance to oil reservoir of cable core (1) periphery successively
(5), wherein：
The outer wall of heat-proof combustion-resistant layer (4) is equipped with several and extends in the same direction simultaneously circumferential uniformly distributed linear groove with cable core (1), each linear
The bottom of slot is equipped with the first conductive sheet (6) extended in the same direction with it；
The expanding layer (7) being made by meeting oily expanding material, expanding layer are equipped between heat-proof combustion-resistant layer (4) and resistance to oil reservoir (5)
(7) outer wall of inner wall and heat-proof combustion-resistant layer (4) is against, the outer wall of expanding layer (7) and the inner wall of resistance to oil reservoir (5) against expansion
Layer (7) be equipped on the side side of heat-proof combustion-resistant layer (4) and at any one linear groove in the linear groove
First conductive sheet (6) the second conductive sheet (8) positioned opposite；
Second conductive sheet (8) is made by flexible conductive material, the second conductive sheet (8) and the first conductive sheet (6) it
Between be reserved with spacing, between the second conductive sheet (8) and the first conductive sheet (6) be equipped with precaution device；Precaution device has positive terminal
And negative terminal, positive terminal, negative terminal are connect with the first conductive sheet (6), the second conductive sheet (8) respectively.
2. railcar according to claim 1 special high temperature-resistant oil resistant shielded multiconductor cable, which is characterized in that expansion
Layer (7) is equipped with and stretches into the linear groove close to the side of heat-proof combustion-resistant layer (4) and at the notch of any one linear groove
The lug boss in portion, second conductive sheet (8) are located at lug boss and stretch into one end of linear groove and fixed with lug boss.
3. railcar according to claim 1 special high temperature-resistant oil resistant shielded multiconductor cable, which is characterized in that expansion
The periphery of layer (7) is equipped with the limit shielded layer (9) to recline with it, and limit shielded layer (9) is formed by metal tape is wrapped.
4. railcar according to any one of claim 1-3 special high temperature-resistant oil resistant shielded multiconductor cable, special
Sign is that core includes conductor and is coated on the insulating layer of conductor periphery, and insulating layer is made by low smoke and zero halogen insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820249144.4U CN207833991U (en) | 2018-02-11 | 2018-02-11 | A kind of railcar special high temperature-resistant oil resistant shielded multiconductor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820249144.4U CN207833991U (en) | 2018-02-11 | 2018-02-11 | A kind of railcar special high temperature-resistant oil resistant shielded multiconductor cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207833991U true CN207833991U (en) | 2018-09-07 |
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ID=63397844
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820249144.4U Active CN207833991U (en) | 2018-02-11 | 2018-02-11 | A kind of railcar special high temperature-resistant oil resistant shielded multiconductor cable |
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| Country | Link |
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| CN (1) | CN207833991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951503A (en) * | 2021-02-01 | 2021-06-11 | 吉安音妍电子科技有限公司 | Flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities and processing method thereof |
-
2018
- 2018-02-11 CN CN201820249144.4U patent/CN207833991U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951503A (en) * | 2021-02-01 | 2021-06-11 | 吉安音妍电子科技有限公司 | Flame-retardant fire-resistant copper-aluminum alloy cable for communication facilities and processing method thereof |
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