CN213459092U - Adopt low smoke and zero halogen control cable of multi-path to shielding subregion support frame - Google Patents
Adopt low smoke and zero halogen control cable of multi-path to shielding subregion support frame Download PDFInfo
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- CN213459092U CN213459092U CN202022208589.8U CN202022208589U CN213459092U CN 213459092 U CN213459092 U CN 213459092U CN 202022208589 U CN202022208589 U CN 202022208589U CN 213459092 U CN213459092 U CN 213459092U
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- cable
- conductor
- cable core
- control cable
- support frame
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- 239000000779 smoke Substances 0.000 title claims abstract description 20
- 229910052736 halogen Inorganic materials 0.000 title claims abstract description 15
- 150000002367 halogens Chemical class 0.000 title claims abstract description 13
- 239000004020 conductor Substances 0.000 claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 20
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims description 8
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000945 filler Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 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 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses an adopt multipath to low smoke and zero halogen control cable of shielding subregion support frame, including the column sleeve pipe, radially set up at least three epitaxial surface at the column sheathed tube surface in the axis of column sheathed tube axle center and make the cable inner chamber of being wrapped up by total shielding layer be cut apart into the three cable core cavity that can hold the control core, set up the power sinle silk in the column sleeve pipe, set up a control sinle silk in every cable core cavity at least, the power sinle silk includes first conductor and the outer crosslinked polyethylene insulating layer of crowded package, the control sinle silk includes crosslinked polyethylene insulating layer and by its two piece at least signal lines of crowded package, every signal line includes the second conductor and crowded package is the crosslinked polyethylene insulating layer outside the second conductor promptly. The inner wall of each cable core cavity is coated with a copper shielding layer. Adopt the utility model discloses a design, power sinle silk and control core separate solitary cavity can not influence each other, and the while control sinle silk carries out signal shielding respectively for can realize a plurality of control operations.
Description
Technical Field
The utility model discloses a low smoke and zero halogen control cable, especially an adopt multi-path to shield low smoke and zero halogen control cable of subregion support frame belongs to the cable manufacturing technology field.
Background
The low-smoke halogen-free flame-retardant cable has the advantages of difficult ignition, capability of preventing or spreading, no halogen, low smoke, no toxicity, no corrosion and the like once the cable is ignited. The method is suitable for high-rise buildings, hotels, hospitals, subways, nuclear power stations, tunnels, power plants, mines, petroleum, chemical engineering and the like.
Besides meeting the characteristics of the low-smoke halogen-free flame-retardant cable, the low-smoke halogen-free flame-retardant cable can also meet the power supply capacity of a line under the fire condition. The fire-resistant control system is mainly used for fire alarm, fire-fighting equipment, smoke exhausting equipment, emergency passage transportation, illumination and other places needing fire resistance in a power supply line of emergency facilities, so that the equipment needing to be controlled is not one, if the existing technical means is adopted, a plurality of control lines are required to be cooperated together or a cable with a plurality of control wire cores is adopted, if a plurality of independent control lines are adopted, the production cost is increased, and meanwhile, the wiring range is enlarged, and the risk is increased; if adopt the cable that has many control core, then signal line is because do not have the protection of shielding between the line for there may be signal crosstalk, simultaneously, if supply conductor puts together with control core simultaneously, supply conductor's the more serious that generates heat, makes the operating condition who leans on the control core who leans on supply conductor can receive the influence.
Disclosure of Invention
The purpose of the invention is as follows: an object of the utility model is to solve the mode that current low smoke and zero halogen cable adopted the cable of many control lines or many control core, can't compromise signal transmission, heat dissipation and low risk's problem.
The technical scheme is as follows: in order to achieve the above purpose, the utility model adopts the following technical scheme:
a low-smoke halogen-free control cable adopting a multi-radial shielding partition support frame comprises a columnar sleeve, wherein at least three extension surfaces are arranged on the outer surface of the columnar sleeve along the radial direction of the axis of the columnar sleeve, so that a cable inner cavity wrapped by a total shielding layer is divided into three cable core cavities capable of accommodating control cable cores, a power cable core is arranged in the columnar sleeve, at least one control cable core is arranged in each cable core cavity, each power cable core comprises a first conductor and a crosslinked polyethylene insulating layer extruded outside the first conductor, each control cable core comprises a crosslinked polyethylene insulating layer and at least two signal wires extruded by the crosslinked polyethylene insulating layer, and each signal wire comprises a second conductor, namely a crosslinked polyethylene insulating layer extruded outside the second conductor; the inner wall of each cable core cavity is coated with a copper shielding layer.
The column sleeve pipe makes the power sinle silk set up in solitary cavity, can directly not exert an influence to other control sinle silks to because it sets up in axle center position, receive the possibility more lagging of high temperature influence, make the power supply function maintain to the end always.
The copper-clad layer design is adopted among the cable core cavities, so that signals among the cable core cavities cannot influence each other, the cable core cavities can respectively correspond to devices with different functions, and the application range of the cable is widened.
The copper shielding layer outside the cylindrical sleeve and the copper shielding layer of the extending surface are found to serve as heat radiating surfaces in the actual use process, so that the temperature in the cylindrical sleeve can be timely dispersed to the whole cable core cavity and the total shielding layer connected with the copper shielding layer through heat conduction, and the heat radiation is quicker.
Furthermore, the cylindrical sleeve and the outer extension surface thereof are integrally formed to form a support frame which can divide the inner cavity of the cable into three cable core cavities capable of accommodating the control cable cores.
By adopting the design of integral molding, the columnar sleeve and the extension surface thereof can be integrated, and the strength of the whole body can be increased under the coating of the copper shielding layer.
Further, the first conductor is a soft copper conductor stranded by multiple strands, and the second conductor is a single copper conductor.
Further, the total shielding layer is a tin-plated copper shielding layer and is grounded.
Further, an outer sheath is arranged outside the total shielding layer, and the outer sheath is a polyolefin outer sheath.
Further, the three extension surfaces are radially angled with respect to each other by 120 °.
An equilateral triangle structure is formed, and the stability of the section is improved.
Furthermore, the gaps of the cable core cavity and the gaps of the columnar sleeve are filled with crosslinked polyethylene tearing tapes.
One is in order to recycle the crosslinked polyethylene residual material that produces in the production process, and its two, has acted as the filler simultaneously, and tears the form of area and make the space between the filler great, and the space of reservation deformation that can be better also makes the bending that the cable can be better.
Has the advantages that: compared with the prior art, the utility model:
adopt the utility model discloses a design, power sinle silk and control core separate solitary cavity, and the control core carries out signal shielding respectively, can not influence each other for can realize a plurality of control operations.
The coated copper shielding layer can not only shield signals, but also improve the heat dissipation performance of the axis cylindrical sleeve.
Drawings
Fig. 1 is a schematic sectional structure diagram of embodiment 1 of the present invention;
fig. 2 is a schematic sectional structure diagram of embodiment 2 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, a low smoke zero halogen control cable using a multi-radial shielding partition support frame includes a cylindrical sleeve 1, three extension surfaces 2 are arranged on the outer surface of the cylindrical sleeve 1 along the radial direction of the axis of the cylindrical sleeve 1, so that the cable cavity wrapped by a total shielding layer 3 is divided into three cable core cavities 4 capable of accommodating control cable cores, a power cable core is arranged in the cylindrical sleeve 1, at least one control cable core is arranged in each cable core cavity, the power cable core includes a first conductor 5 and a cross-linked polyethylene insulating layer 6 extruded outside the first conductor, the control cable core includes a cross-linked polyethylene insulating layer 6 and at least two signal wires extruded by the cross-linked polyethylene insulating layer 6, and each signal wire includes a second conductor 7, i.e., the cross-linked polyethylene insulating layer 6 extruded outside the second conductor; the inner wall of each cable core cavity 4 is coated with a copper shielding layer 8. (only one cable core cavity coated with copper shield layer is shown in the figure)
The column sleeve pipe makes the power sinle silk set up in solitary cavity, can directly not exert an influence to other control sinle silks to because it sets up in axle center position, receive the possibility more lagging of high temperature influence, make the power supply function maintain to the end always.
The copper-clad layer design is adopted among the cable core cavities, so that signals among the cable core cavities cannot influence each other, the cable core cavities can respectively correspond to devices with different functions, and the application range of the cable is widened.
The copper shielding layer outside the cylindrical sleeve and the copper shielding layer of the extending surface are found to serve as heat radiating surfaces in the actual use process, so that the temperature in the cylindrical sleeve can be timely dispersed to the whole cable core cavity and the total shielding layer connected with the copper shielding layer through heat conduction, and the heat radiation is quicker.
The columnar sleeve 1 and the extension surface 2 thereof are integrally formed to form a support frame which can divide the inner cavity of the cable into three cable core cavities 4 capable of accommodating control cable cores.
By adopting the design of integral molding, the columnar sleeve and the extension surface thereof can be integrated, and the strength of the whole body can be increased under the coating of the copper shielding layer.
The first conductor 5 is a stranded soft copper conductor and the second conductor 7 is a single copper conductor.
The total shielding layer 3 is a tinned copper shielding layer and is grounded.
The outer part 3 of the total shielding layer is also provided with an outer sheath 9, and the outer sheath 9 is a polyolefin outer sheath.
The three extension surfaces 2 are radially angled with respect to each other by 120.
An equilateral triangle structure is formed, and the stability of the section is improved.
The gaps of the cable core cavity 4 and the gaps of the columnar sleeve 1 are filled with a crosslinked polyethylene tear tape (not shown).
One is in order to recycle the crosslinked polyethylene residual material that produces in the production process, and its two, has acted as the filler simultaneously, and tears the form of area and make the space between the filler great, and the space of reservation deformation that can be better also makes the bending that the cable can be better.
Example 2
As shown in fig. 2, the copper-clad shield is not shown, and the three extension surfaces are changed to four extension surfaces in comparison with example 1, and the four extension surfaces have an angle of 90 ° with each other in the radial direction. So that the cables can control 4 devices at the same time on the premise of not influencing each other at most.
Claims (7)
1. The utility model provides an adopt low smoke and zero halogen control cable of multi-path to shielding subregion support frame which characterized in that: the cable comprises a columnar sleeve, wherein at least three extension surfaces are arranged on the outer surface of the columnar sleeve along the radial direction of the axis of the columnar sleeve, so that a cable inner cavity wrapped by a total shielding layer is divided into three cable core cavities capable of accommodating control cable cores, a power cable core is arranged in the columnar sleeve, at least one control cable core is arranged in each cable core cavity, each power cable core comprises a first conductor and a cross-linked polyethylene insulating layer extruded outside the first conductor, each control cable core comprises a cross-linked polyethylene insulating layer and at least two signal wires extruded by the cross-linked polyethylene insulating layer, and each signal wire comprises a second conductor, namely a cross-linked polyethylene insulating layer extruded outside the second conductor; the inner wall of each cable core cavity is coated with a copper shielding layer.
2. The low smoke zero halogen control cable adopting the multi-path shielding partition support frame according to claim 1, characterized in that: the cylindrical sleeve and the outer extension surface of the cylindrical sleeve are integrally formed to form a support frame which can divide the inner cavity of the cable into three cable core cavities capable of accommodating the control cable cores.
3. The low smoke zero halogen control cable adopting the multi-path shielding partition support frame according to claim 1, characterized in that: the first conductor is a soft copper conductor stranded by multiple strands, and the second conductor is a single copper conductor.
4. The low smoke zero halogen control cable adopting the multi-path shielding partition support frame according to claim 1, characterized in that: the total shielding layer is a tinned copper shielding layer and is grounded.
5. The low smoke zero halogen control cable adopting the multi-path shielding partition support frame according to claim 1, characterized in that: an outer sheath is further arranged outside the total shielding layer, and the outer sheath is a polyolefin outer sheath.
6. The low-smoke zero-halogen control cable adopting the multi-path shielding partition supporting frame according to any one of claims 1 to 5, is characterized in that: the three extension surfaces have an included angle of 120 degrees with each other along the radial direction.
7. The low-smoke zero-halogen control cable adopting the multi-path shielding partition supporting frame according to any one of claims 1 to 5, is characterized in that: crosslinked polyethylene tearing belts are filled in the gaps of the cable core cavity and the gaps of the columnar sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022208589.8U CN213459092U (en) | 2020-09-30 | 2020-09-30 | Adopt low smoke and zero halogen control cable of multi-path to shielding subregion support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022208589.8U CN213459092U (en) | 2020-09-30 | 2020-09-30 | Adopt low smoke and zero halogen control cable of multi-path to shielding subregion support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213459092U true CN213459092U (en) | 2021-06-15 |
Family
ID=76286534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022208589.8U Active CN213459092U (en) | 2020-09-30 | 2020-09-30 | Adopt low smoke and zero halogen control cable of multi-path to shielding subregion support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213459092U (en) |
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2020
- 2020-09-30 CN CN202022208589.8U patent/CN213459092U/en active Active
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