CN216487369U - Compound insulating flexible fireproof cable - Google Patents
Compound insulating flexible fireproof cable Download PDFInfo
- Publication number
- CN216487369U CN216487369U CN202122692772.4U CN202122692772U CN216487369U CN 216487369 U CN216487369 U CN 216487369U CN 202122692772 U CN202122692772 U CN 202122692772U CN 216487369 U CN216487369 U CN 216487369U
- Authority
- CN
- China
- Prior art keywords
- cable
- layer
- flame
- cables
- retardant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The application discloses a composite insulating flexible fireproof cable which sequentially comprises an outer protective layer, an armor layer, a first flame-retardant layer, a second flame-retardant layer and a first insulating layer from outside to inside, wherein the first insulating layer is internally provided with a plurality of functional cables and a plurality of power cables; the power cable sequentially comprises a third flame-retardant layer, a fourth flame-retardant layer, a second insulating layer and a first conductor from outside to inside; the functional cable is a filling cable, an optical cable or a signal cable, the filling cable is a solid strip-shaped cable with a round section, and the optical cable comprises an optical cable protective layer and optical fibers positioned in the optical cable protective layer; the signal cable sequentially comprises an inner protection layer, a first shielding layer and a fifth flame-retardant layer from outside to inside, wherein a plurality of cable cores are arranged in the fifth flame-retardant layer, and the cable cores sequentially comprise a second shielding layer, a third insulating layer and a second conductor from outside to inside; the plurality of functional cables includes at least one optical cable and one signal cable. The cable of this application adopts composite construction, has fine power transmission, signal transmission and fire-retardant characteristic.
Description
Technical Field
The application relates to the field of cables, in particular to a composite insulating flexible fireproof cable.
Background
The photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and power transmission copper wires, and can solve the problems of broadband access, equipment power consumption and signal transmission. Realize optical signal through a cable, the transmission of signal of telecommunication and electric power, can reduce the cost of laying greatly, because the cable adopts composite construction, consequently, multiple functions are accomplished to a cable, have fine price/performance ratio, but multiple functions's cable core when compound the use, need consider the problem that probably produces the interference between each other between each cable core, and a plurality of root cores of different sizes are when the preparation, the position distribution of the inner structure's of cable core is also very critical, it is not good to handle leads to the structure of cable inside stable inadequately easily, for example radial mass distribution unstability etc.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: based on the demand of the aforesaid use, this application provides a compound insulating flexible fireproof cable.
The technical scheme is as follows: a composite insulating flexible fireproof cable sequentially comprises an outer protective layer, an armor layer, a first flame retardant layer, a second flame retardant layer and a first insulating layer from outside to inside, wherein a plurality of functional cables and a plurality of power cables are arranged in the first insulating layer, and the number of the functional cables is equal to that of the power cables; the power cable sequentially comprises a third flame-retardant layer, a fourth flame-retardant layer, a second insulating layer and a first conductor from outside to inside; the functional cable is a filling cable, an optical cable or a signal cable, the filling cable is a solid strip with a round section, and the optical cable comprises an optical cable protective layer and optical fibers positioned in the optical cable protective layer; the signal cable sequentially comprises an inner protection layer, a first shielding layer and a fifth flame-retardant layer from outside to inside, wherein a plurality of cable cores are arranged in the fifth flame-retardant layer, and the cable cores sequentially comprise a second shielding layer, a third insulating layer and a second conductor from outside to inside; the plurality of functional cables includes at least one optical cable and one signal cable.
The application provides a cable, except mainly having fire behavior's power cable transmission function, still designed the function cable to according to the needs of using, can select suitable function cable, thereby satisfy the needs that use the scene more.
Furthermore, the cross sections of the power cable and the functional cable are circular, and the diameters of the filling cable, the optical cable and the signal cable are equal; the diameter of the power cable is greater than twice the diameter of the functional cable.
Therefore, the distribution of each cable core in the cable is more reasonable in structure, and the cable cores of the radial cable are uniformly distributed.
Further, the number of the power cables and the number of the function cables are 3; the 3 power cables and the 3 function cables are distributed in an annular and alternate mode.
Further, 3 function cables are 1 filling cable, 1 optical cable and 1 signal cable respectively.
Further, the first conductor and the second conductor are both twisted copper conductors.
Further, first fire-retardant layer and third fire-retardant layer are around package mica tape, second fire-retardant layer, fourth fire-retardant layer and fifth fire-retardant layer are low smoke and zero halogen fire-retardant layer.
Further, the first shielding layer is an aluminum-plastic composite belt; the second shielding layer is a tinned copper wire braided shielding layer.
Furthermore, the first insulating layer and the second insulating layer are ethylene propylene rubber insulating layers; the inner protective layer and the third insulating layer are both made of polyethylene material.
Further, the filling cable is a flame-retardant polyurethane filling rope.
Further, the function cable has 3, is 2 signal cables and an optical cable respectively.
Has the advantages that: the utility model provides a cable is through the mode that distributes power cable and function cable in turn to constitute the composite cable who has fine fireproof effect, it has various functions such as signal of telecommunication transmission, light signal transmission, and its inner structure is reasonable, and the position of power cable and function cable distributes rationally on the cross-section. In addition, the actual arrangement of the functional cable can be selected according to different use scenes.
Drawings
FIG. 1 is a schematic cable diagram of example 1;
FIG. 2 is an enlarged view of area A;
fig. 3 is a schematic cable diagram of example 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference numerals: 1, an outer protective layer; 2, an armor layer; 3 a first flame retardant layer; 4 a second flame retardant layer; 5 a first insulating layer; 6 a power cable; 6.1 a third flame retardant layer; 6.2 a fourth flame retardant layer; 6.3 a second insulating layer; 6.4 first conductor; 7 filling the cable; 8, an optical cable; 8.1 optical cable sheath; 8.2 an optical fiber; 9 a signal cable; 9.1 inner protecting layer; 9.2 first shielding layer; 9.3 a fifth flame retardant layer; 10.1 a second shielding layer; 10.2 a third insulating layer; 10.3 second conductor.
Example 1
As shown in fig. 1-2: a composite insulating flexible fireproof cable sequentially comprises an outer protective layer 1, an armor layer 2, a first flame-retardant layer 3, a second flame-retardant layer 4 and a first insulating layer 5 from outside to inside, wherein a plurality of functional cables and a plurality of power cables 6 are arranged in the first insulating layer 5, and the number of the functional cables is equal to that of the power cables 6; the power cable 6 comprises a third flame-retardant layer 6.1, a fourth flame-retardant layer 6.2, a second insulating layer 6.3 and a first conductor 6.4 from outside to inside in sequence; the functional cable is a filling cable 7, an optical cable 8 or a signal cable 9, the filling cable 7 is a solid strip with a round section, and the optical cable 8 comprises an optical cable sheath 8.1 and an optical fiber 8.2 positioned in the optical cable sheath 8.1; the signal cable 9 sequentially comprises an inner protective layer 9.1, a first shielding layer 9.2 and a fifth flame-retardant layer 9.3 from outside to inside, a plurality of cable cores are arranged in the fifth flame-retardant layer 9.3, and the cable cores sequentially comprise a second shielding layer 10.1, a third insulating layer 10.2 and a second conductor 10.3 from outside to inside; the plurality of functional cables includes at least one optical cable 8 and one signal cable 9.
The cross sections of the power cable 6 and the functional cable are circular, and the diameters of the filling cable 7, the optical cable 8 and the signal cable 9 are equal; the diameter of the power cable 6 is greater than twice the diameter of the functional cable. The number of the power cables 6 and the number of the functional cables are 3; the 3 power cables 6 and the 3 function cables are distributed in an annular and alternate mode. The 3 function cables are respectively 1 filling cable 7, 1 optical cable 8 and 1 signal cable 9. The first conductor 6.4 and the second conductor 10.3 are both stranded copper conductors. First fire-retardant layer 3 and the fire-retardant layer 6.1 of third are around package mica tape, fire-retardant layer 4 of second, the fire-retardant layer 6.2 of fourth and the fire-retardant layer 9.3 of fifth are low smoke and zero halogen fire-retardant layer. The first shielding layer 9.2 is an aluminum-plastic composite belt; the second shielding layer 10.1 is a tinned copper wire braided shielding layer. The first insulating layer 5 and the second insulating layer 6.3 are ethylene propylene rubber insulating layers; the inner sheath layer 9.1 and the third insulating layer 10.2 are both made of polyethylene material. The filling cable 7 is a flame-retardant polyurethane filling rope.
As shown in fig. 1-2, the cable of the present application adopts a composite structure, a plurality of power cables and a plurality of functional cables are arranged inside the cable, and a signal cable and an optical cable are arranged in the functional cable, so that power transmission and photoelectric signal transmission can be performed, the signal cable adopts a multilayer shielding structure, the power cable and the cable integrally adopt a multilayer flame retardant structure, and thus, a good flame retardant effect on the cable, and signal transmission and power transmission effects can be achieved.
Example 2
As shown in fig. 3: a composite insulating flexible fireproof cable sequentially comprises an outer protective layer 1, an armor layer 2, a first flame-retardant layer 3, a second flame-retardant layer 4 and a first insulating layer 5 from outside to inside, wherein a plurality of functional cables and a plurality of power cables 6 are arranged in the first insulating layer 5, and the number of the functional cables is equal to that of the power cables 6; the power cable 6 comprises a third flame-retardant layer 6.1, a fourth flame-retardant layer 6.2, a second insulating layer 6.3 and a first conductor 6.4 from outside to inside in sequence; the functional cable is a filling cable 7, an optical cable 8 or a signal cable 9, the filling cable 7 is a solid strip with a round section, and the optical cable 8 comprises an optical cable sheath 8.1 and an optical fiber 8.2 positioned in the optical cable sheath 8.1; the signal cable 9 sequentially comprises an inner protective layer 9.1, a first shielding layer 9.2 and a fifth flame-retardant layer 9.3 from outside to inside, a plurality of cable cores are arranged in the fifth flame-retardant layer 9.3, and the cable cores sequentially comprise a second shielding layer 10.1, a third insulating layer 10.2 and a second conductor 10.3 from outside to inside; the plurality of functional cables includes at least one optical cable 8 and one signal cable 9. The functional cables have 3, respectively 2 signal cables 9 and an optical cable 8.
The main difference between example 2 and example 1 is that in example 2, there are two signal cables, and no filler cable is used. Thereby obtaining better signal transmission capability and ensuring even distribution of the structure without using a filling cable due to 2 signal cables and 1 optical cable.
It is to be noted that 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.
While the utility model has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the utility model as defined in the following claims.
Claims (10)
1. The composite insulating flexible fireproof cable is characterized by sequentially comprising an outer protective layer (1), an armor layer (2), a first flame-retardant layer (3), a second flame-retardant layer (4) and a first insulating layer (5) from outside to inside, wherein a plurality of functional cables and a plurality of power cables (6) are arranged in the first insulating layer (5), and the number of the functional cables is equal to that of the power cables (6); the power cable (6) sequentially comprises a third flame-retardant layer (6.1), a fourth flame-retardant layer (6.2), a second insulating layer (6.3) and a first conductor (6.4) from outside to inside; the functional cable is a filling cable (7), an optical cable (8) or a signal cable (9), the filling cable (7) is a solid long-strip shape with a round section, and the optical cable (8) comprises an optical cable protective layer (8.1) and an optical fiber (8.2) positioned in the optical cable protective layer (8.1); the signal cable (9) sequentially comprises an inner protective layer (9.1), a first shielding layer (9.2) and a fifth flame-retardant layer (9.3) from outside to inside, a plurality of cable cores are arranged in the fifth flame-retardant layer (9.3), and the cable cores sequentially comprise a second shielding layer (10.1), a third insulating layer (10.2) and a second conductor (10.3) from outside to inside; the plurality of functional cables includes at least one optical cable (8) and one signal cable (9).
2. A composite insulated flexible fireproof cable according to claim 1, wherein the power cable (6) and the functional cable are circular in cross-section, and the filler cable (7), the optical cable (8) and the signal cable (9) have equal diameters; the diameter of the power cable (6) is more than twice the diameter of the functional cable.
3. Composite insulated flexible fireproof cable according to claim 2, wherein the power cable (6) and the functional cables each have 3; 3 power cables (6) and 3 function cables are distributed in an annular and alternate mode.
4. A composite insulated flexible fireproof cable according to claim 2, wherein the 3 functional cables are 1 filling cable (7), 1 optical cable (8) and 1 signal cable (9), respectively.
5. A composite insulated flexible fire-protected cable according to claim 1, characterised in that the first conductor (6.4) and the second conductor (10.3) are both stranded copper conductors.
6. The composite type insulated flexible fireproof cable according to claim 1, wherein the first flame-retardant layer (3) and the third flame-retardant layer (6.1) are wrapped mica tapes, and the second flame-retardant layer (4), the fourth flame-retardant layer (6.2) and the fifth flame-retardant layer (9.3) are low-smoke halogen-free flame-retardant layers.
7. Composite insulated flexible fireproof cable according to claim 1, wherein the first shielding layer (9.2) is an aluminium-plastic composite tape; the second shielding layer (10.1) is a tinned copper wire braided shielding layer.
8. A composite insulated flexible fireproof cable according to claim 1, wherein the first and second insulating layers (5, 6.3) are ethylene propylene rubber insulating layers; the inner protective layer (9.1) and the third insulating layer (10.2) are both made of polyethylene material.
9. A composite insulated flexible fireproof cable according to claim 1, wherein the filler cable (7) is a flame retardant polyurethane filler rope.
10. A composite insulated flexible fire-protected cable according to claim 1, characterised in that said functional cables have 3, respectively 2 signal cables (9) and one optical cable (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692772.4U CN216487369U (en) | 2021-11-04 | 2021-11-04 | Compound insulating flexible fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692772.4U CN216487369U (en) | 2021-11-04 | 2021-11-04 | Compound insulating flexible fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216487369U true CN216487369U (en) | 2022-05-10 |
Family
ID=81445747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122692772.4U Active CN216487369U (en) | 2021-11-04 | 2021-11-04 | Compound insulating flexible fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216487369U (en) |
-
2021
- 2021-11-04 CN CN202122692772.4U patent/CN216487369U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6462268B1 (en) | Cable with twisting filler and shared sheath | |
| US20040050578A1 (en) | Communications cable | |
| EP0974150A1 (en) | Communications cable | |
| AU770298B2 (en) | High performance data cable and a UL 910 plenum non-fluorinated jacket high performance data cable | |
| CN203026256U (en) | Communication cable for halogen-free low-smoke flame-retardant fire-proof ship | |
| CN101685685A (en) | 8-shaped photoelectric composite flame-retardant cable | |
| US10276280B1 (en) | Power over ethernet twisted pair communications cables with a shield used as a return conductor | |
| CN216487369U (en) | Compound insulating flexible fireproof cable | |
| CN206312615U (en) | The compound naval vessel medium-pressure power cable of one kind control | |
| KR102159948B1 (en) | Grounding meth of a 3-phase 4-line type optical fiber and power composite cable | |
| CN210015717U (en) | Light rat-proof and termite-proof instrument wire harness | |
| KR102007152B1 (en) | Buried cable with flexibility | |
| CN205984325U (en) | Opto -electro hybrid cable | |
| CN205487545U (en) | Oil platform is with this ampere of instrument communication cable | |
| CN210984341U (en) | Low-smoke halogen-free flame-retardant composite cable for marine detection radar communication | |
| CN214312741U (en) | Flame-retardant coaxial computer instrument cable | |
| CN216435505U (en) | Photoelectric composite cable for security and protection monitoring | |
| CN213877611U (en) | Bending-resistant light electrophone combined cable | |
| CN210837223U (en) | Low-smoke halogen-free flame-retardant wire | |
| CN211507180U (en) | Industrial computer equipment and Ethernet connecting cable | |
| CN203300230U (en) | Rat-proof closed circuit television (CCTV)-specifically used combination cable | |
| CN211455326U (en) | High-frequency data photoelectric hybrid cable | |
| CN210403305U (en) | Novel flame-retardant fire-resistant power communication composite cable | |
| CN220252915U (en) | Halogen-free low-voltage flame-retardant B1-level environment-friendly photoelectric composite cable | |
| CN218482004U (en) | Environment-friendly 5G communication data cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |