CN210640049U - Anti-interference cable for synchronous transmission of photoelectric signals - Google Patents
Anti-interference cable for synchronous transmission of photoelectric signals Download PDFInfo
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- CN210640049U CN210640049U CN201920447618.0U CN201920447618U CN210640049U CN 210640049 U CN210640049 U CN 210640049U CN 201920447618 U CN201920447618 U CN 201920447618U CN 210640049 U CN210640049 U CN 210640049U
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Abstract
The utility model discloses an anti-interference cable for synchronous transmission of photoelectric signals, which comprises an optical fiber unit, an electric power unit and a shielding framework, wherein the shielding framework is used for arranging the optical fiber unit; the shielding framework is of a five-star framework structure, the whole framework is an aluminum strip framework with a shielding function, and five arc-shaped unit grooves used for placing optical fiber units are formed in the shielding framework. The utility model discloses an optical fiber unit is whole to be distributed in the shielding skeleton, is provided with the suitable arc unit groove of size in the shielding skeleton for placing optical fiber unit, and the shielding skeleton itself has the effect of shielding interference signal for the aluminium strip skeleton, weakens the signal interference between each optical fiber unit, sets up the size of shielding skeleton, makes optical fiber unit compressed tightly in the arc unit groove by the metal composite strip of wrapping, and optical fiber unit's installation sets up more conveniently; and set up the strengthening rib in the intermediate position of shielding skeleton, can effectively increase the tensile strength of whole cable, guarantee its tensile properties.
Description
Technical Field
The utility model relates to a cable technical field, concretely relates to anti-interference cable of photoelectric signal synchronous transmission.
Background
The existing photoelectric cable needs synchronous transmission of photoelectric signals, the optical fiber units and the power units need to be distributed in the same cable, wherein the optical fiber units need to be arranged in a plurality due to the requirement of signal strength, at least one power unit needs to be arranged, the signal transmission condition of the optical fiber units has high requirement and needs to have good shielding effect, in the existing optical fiber synchronous signal transmission cable, firstly, the shielding and anti-interference effects among the optical fiber units are poor, secondly, the optical fiber units and the power units can also generate signal interference, and in addition, the cable is easy to be interfered by signals outside the cable, so that the overall anti-interference performance of the cable is poor, the signal transmission is unstable, and the signal transmission quality is not high; in addition, the strength, the tensile strength, the bending resistance and the rolling resistance of the existing synchronous transmission cable cannot meet the requirements of the prior art, and the service life and the quality of the cable are affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anti-interference cable of photoelectric signal synchronous transmission to the not enough of prior art existence, its technical scheme as follows:
an anti-interference cable for synchronous transmission of photoelectric signals comprises an optical fiber unit, a power unit and a shielding framework, wherein the shielding framework is used for arranging the optical fiber unit; the shielding framework is of a five-star framework structure and is integrally arranged into an aluminum strip framework with a shielding function, five arc-shaped unit grooves for placing optical fiber units are formed in the shielding framework, the size of each arc-shaped unit groove corresponds to that of each optical fiber unit, and each arc-shaped unit groove is internally provided with one optical fiber unit; the outer side of the shielding framework is wrapped into a cable through a metal composite tape; the length of the wall of the arc-shaped unit groove of the shielding framework is set corresponding to the size of the optical fiber unit, so that the metal composite tape is tightly pressed on the optical fiber unit when being wrapped, and the optical fiber unit is tightly pressed and arranged in the arc-shaped unit groove; the power units are symmetrically arranged on the outer side of the metal composite belt, the power units and the metal composite belt on two sides are wrapped into an oval overall cable through an overall wrapping layer, a total shielding layer is arranged outside the overall wrapping layer, and a total sheath is arranged outside the total shielding layer.
Preferably, the optical fiber unit comprises an optical fiber conductor, an optical fiber insulating layer, an optical fiber shielding layer and an optical fiber sheath which are arranged in sequence from inside to outside.
Preferably, the power unit comprises a copper conductor, an insulating layer, a shielding layer and a sheath which are arranged in sequence from inside to outside.
Preferably, a reinforcing rib is further installed at the middle position of the shielding framework.
Preferably, a filler is arranged between the power units on the two sides of the metal composite belt and the total wrapping layer, and a glass fiber wire is arranged between the fillers.
Preferably, the total wrapping layer is a mica tape wrapping layer, and the total shielding layer is a copper mesh woven layer.
Has the advantages that: the utility model discloses following beneficial effect has:
(1) the utility model discloses a cable separately sets up the optical fiber unit and the electric power unit; the optical fiber units are integrally compounded and wound into a cable through the metal composite belt, the power units are symmetrically arranged on two sides of the metal composite belt, the outer sides of the power units are wound into the cable through the total winding layer, the two power units are far away from each other and cannot influence each other, the two power units are separated from the inner optical fiber units through the metal composite belt, basically, the influence cannot be generated, the anti-interference performance is enhanced, an integral oval cable structure is formed through the total winding layer, the anti-rolling performance is good, the toughness of the integral cable can be effectively improved by arranging the glass fiber wires in the filling material, the bending resistance is improved, the total shielding layer arranged outside the filling material has the function of shielding external signals, and the integral anti-interference performance is guaranteed;
(2) the utility model discloses an optical fiber unit is whole to be distributed in the shielding skeleton, is provided with the suitable arc unit groove of size in the shielding skeleton for placing optical fiber unit, and the shielding skeleton itself has the effect of shielding interference signal for the aluminium strip skeleton, weakens the signal interference between each optical fiber unit, sets up the size of shielding skeleton, makes optical fiber unit compressed tightly in the arc unit groove by the metal composite strip of wrapping, and optical fiber unit's installation sets up more conveniently; and set up the strengthening rib in the intermediate position of shielding skeleton, can effectively increase the tensile strength of whole cable, guarantee its tensile properties.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a diagram of the structure of the optical fiber unit of the present invention;
fig. 3 is a structure diagram of the power unit of the present invention.
Detailed Description
The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, an optical signal synchronous transmission anti-interference cable includes an optical fiber unit 1, a power unit 2 and a shielding framework 3 for arranging the optical fiber unit 1; the shielding framework 3 is of a five-star framework structure and is integrally arranged into an aluminum strip framework with a shielding function, five arc-shaped unit grooves 4 for placing the optical fiber units 1 are formed in the shielding framework 3, the size of each arc-shaped unit groove 4 corresponds to that of each optical fiber unit 1, and each optical fiber unit 1 is placed in each arc-shaped unit groove 4; the outer side of the shielding framework 3 is wrapped into a cable through a metal composite belt 5; the length of the wall of the arc-shaped unit groove 4 of the shielding framework 3 is set corresponding to the size of the optical fiber unit 1, so that the metal composite tape 5 is tightly pressed on the optical fiber unit 1 when being wrapped, and the optical fiber unit 1 is tightly pressed and arranged in the arc-shaped unit groove 4; the power units 2 are symmetrically arranged on the outer side of the metal composite belt 5, the power units 2 and the metal composite belt 5 on two sides are wrapped into an oval overall cable through an overall wrapping layer 6, a total shielding layer 7 is arranged outside the overall wrapping layer 6, and a total sheath 8 is arranged outside the total shielding layer 7.
The optical fiber unit 1 comprises an optical fiber conductor 11, an optical fiber insulating layer 12, an optical fiber shielding layer 13 and an optical fiber sheath 14 which are arranged in sequence from inside to outside; the power unit 2 includes a copper conductor 21, an insulating layer 22, a shielding layer 23, and a sheath 24, which are arranged in this order from the inside to the outside.
A reinforcing rib 9 is further arranged in the middle of the shielding framework 3; fillers are arranged between the power units 2 on the two sides of the metal composite belt 5 and the total wrapping layer 6, and glass fiber wires 10 are arranged between the fillers; the total winding layer 6 is set to be a mica tape winding layer, and the total shielding layer 7 is set to be a copper mesh weaving layer.
The utility model discloses a cable separately sets up the optical fiber unit and the electric power unit; the optical fiber unit is integrally and compositely wound and cabled through the metal composite belt, the power unit is provided with two symmetrical parts which are arranged on two sides of the metal composite belt, the outer side of the power unit is wound and cabled through the total winding layer, the two power units are arranged far away from each other and cannot affect each other, the power unit and the internal optical fiber unit are separated through the metal composite belt, basically, influences cannot be generated, the anti-interference performance is enhanced, the cable structure which is oval in shape as a whole is formed through the total winding layer, the anti-rolling performance is good, the toughness of the whole cable can be effectively improved by arranging the glass fiber wire in the filling material, the anti-bending capacity is improved, the total shielding layer arranged outside the cable unit simultaneously has the function of shielding external signals, and the.
The utility model discloses an optical fiber unit is whole to be distributed in the shielding skeleton, is provided with the suitable arc unit groove of size in the shielding skeleton for placing optical fiber unit, and the shielding skeleton itself has the effect of shielding interference signal for the aluminium strip skeleton, weakens the signal interference between each optical fiber unit, sets up the size of shielding skeleton, makes optical fiber unit compressed tightly in the arc unit groove by the metal composite strip of wrapping, and optical fiber unit's installation sets up more conveniently; and set up the strengthening rib in the intermediate position of shielding skeleton, can effectively increase the tensile strength of whole cable, guarantee its tensile properties.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an anti-interference cable of photoelectric signal synchronous transmission which characterized in that: the optical fiber unit comprises an optical fiber unit (1), a power unit (2) and a shielding framework (3) which is used for arranging the optical fiber unit (1); the shielding framework (3) is of a five-star framework structure and is integrally arranged into an aluminum strip framework with a shielding function, five arc-shaped unit grooves (4) for placing the optical fiber units (1) are formed in the shielding framework (3), the size of each arc-shaped unit groove (4) corresponds to that of each optical fiber unit (1), and one optical fiber unit (1) is placed in each arc-shaped unit groove (4); the outer side of the shielding framework (3) is wrapped into a cable through a metal composite belt (5); the length of the wall of the arc-shaped unit groove (4) of the shielding framework (3) is set corresponding to the size of the optical fiber unit (1), so that the metal composite tape (5) is tightly pressed on the optical fiber unit (1) when being wrapped, and the optical fiber unit (1) is tightly pressed and arranged in the arc-shaped unit groove (4); the power units (2) are symmetrically arranged on the outer side of the metal composite belt (5), the power units (2) on two sides and the metal composite belt (5) are wrapped into an oval overall cable through an overall wrapping layer (6), a total shielding layer (7) is arranged outside the overall wrapping layer (6), and a total sheath (8) is arranged outside the total shielding layer (7).
2. The optical-electrical signal synchronous transmission anti-interference cable according to claim 1, characterized in that: the optical fiber unit (1) comprises an optical fiber conductor (11), an optical fiber insulating layer (12), an optical fiber shielding layer (13) and an optical fiber sheath (14) which are sequentially arranged from inside to outside.
3. The optical-electrical signal synchronous transmission anti-interference cable according to claim 1, characterized in that: the power unit (2) comprises a copper conductor (21), an insulating layer (22), a shielding layer (23) and a sheath (24) which are sequentially arranged from inside to outside.
4. The optical-electrical signal synchronous transmission anti-interference cable according to claim 1, characterized in that: and a reinforcing rib (9) is further installed in the middle of the shielding framework (3).
5. The optical-electrical signal synchronous transmission anti-interference cable according to claim 1, characterized in that: and fillers are arranged between the power units (2) on the two sides of the metal composite belt (5) and the total wrapping layer (6), and glass fiber wires (10) are arranged between the fillers.
6. The optical-electrical signal synchronous transmission anti-interference cable according to claim 1, characterized in that: the total winding layer (6) is a mica tape winding layer, and the total shielding layer (7) is a copper mesh weaving layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920447618.0U CN210640049U (en) | 2019-04-02 | 2019-04-02 | Anti-interference cable for synchronous transmission of photoelectric signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920447618.0U CN210640049U (en) | 2019-04-02 | 2019-04-02 | Anti-interference cable for synchronous transmission of photoelectric signals |
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| Publication Number | Publication Date |
|---|---|
| CN210640049U true CN210640049U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920447618.0U Active CN210640049U (en) | 2019-04-02 | 2019-04-02 | Anti-interference cable for synchronous transmission of photoelectric signals |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816363A (en) * | 2020-07-16 | 2020-10-23 | 江苏帝诚线缆有限公司 | Cable for fire monitoring and preparation method thereof |
| CN114093567A (en) * | 2021-10-29 | 2022-02-25 | 江苏帝诚线缆有限公司 | Shielding control cable for signal transmission |
-
2019
- 2019-04-02 CN CN201920447618.0U patent/CN210640049U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816363A (en) * | 2020-07-16 | 2020-10-23 | 江苏帝诚线缆有限公司 | Cable for fire monitoring and preparation method thereof |
| CN114093567A (en) * | 2021-10-29 | 2022-02-25 | 江苏帝诚线缆有限公司 | Shielding control cable for signal transmission |
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