CN209912524U - Multifunctional braided shielding transponder data transmission cable - Google Patents
Multifunctional braided shielding transponder data transmission cable Download PDFInfo
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- CN209912524U CN209912524U CN201920597477.0U CN201920597477U CN209912524U CN 209912524 U CN209912524 U CN 209912524U CN 201920597477 U CN201920597477 U CN 201920597477U CN 209912524 U CN209912524 U CN 209912524U
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Abstract
The utility model relates to a multi-functional braided shield transponder data transmission cable, including the cable core of signal transmission, the power line and the oversheath of transmission electric power, the cable core with from interior to exterior is equipped with cable core band layer, braided shield and cyclic annular inner liner layer between the power line in proper order, the oversheath with still from interior to exterior is equipped with isolation layer and armor in proper order between the power line. The utility model has the advantages that: the traditional manufacturing process is eliminated, the signal wire and the power wire are designed in a layered and separated mode, the signal wire and the power wire cannot be mutually interfered, and the signal transmission is stable; the combination of the signal line and the power line after reasonable design realizes that one cable can reach data information, audio information and power transmission, the construction and maintenance of the cable are convenient, the safety and reliability and the space utilization rate are high, and meanwhile, the railway construction cost is effectively reduced.
Description
Technical Field
The application belongs to the technical field of cables, and particularly relates to a multifunctional braided shielding transponder data transmission cable.
Background
Due to the defects of the prior art, a plurality of power lines are required to be installed in a railway machine room to maintain a daily necessary power supply system, and the connection between an indoor distribution cabinet and LEU (ground electronic unit) equipment or the connection between an outdoor cable terminal box and transponder equipment is realized by adopting a braided shielding transponder data transmission cable. The more the quantity of the installed power lines and the transponder cables is, the larger the engineering quantity is, the cost is increased, the chaotic laying environment is easily caused, and the maintenance difficulty is brought.
At present, some cable manufacturers are also actively developing photoelectric hybrid cables, for example, chinese patent CN103928189B relates to a high-power railway communication signal control photoelectric integrated cable, which includes a cable core, the cable core includes a pair group, a three-wire group, and a star-twisted group, a plurality of groups of twisted pairs are filled in the cable core, a water-blocking filling material is filled in the cable core, the cable core is sequentially covered with a water-blocking layer, a shielding layer, an inner liner, an armor layer, and an outer protective layer, the cable core includes seven groups of pairs with different pitches, the cable core includes an optical communication unit composed of a plurality of optical fibers, the shielding layer is embedded with an alarm wire, the alarm wire is a tinned copper wire or a copper wire harness, and the alarm wire is connected to. The cable core twisting design mainly twists the signal wire and the optical unit together or twists the signal wire and the power line together, and under the design, the cable has the defects of serious crosstalk interference, unstable electrical performance and the like, and great threat is caused to the railway transportation safety.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the multifunctional braided shielding transponder data transmission cable is used for solving the defects of space utilization rate and safety of the multifunctional transmission cable in the prior art, and therefore the multifunctional braided shielding transponder data transmission cable is provided.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a multi-functional braided shield transponder data transmission cable, includes the cable core of transmission signal, the power line and the oversheath of transmission electric power, the cable core with from interior to exterior is equipped with cable core band layer, braided shield and cyclic annular inner liner in proper order between the power line the cable core is outer to be covered in one of polyester area, PP area, PE reticulation area or fire-retardant band, thereby forms cable core band layer, the oversheath with still from interior to exterior is equipped with isolation layer and armor in proper order between the power line.
In one embodiment, the cable core covering layer comprises at least two covering layers for tightly covering the cable core.
In one embodiment, the cable core is formed by stranding at least two insulated single wires.
In one embodiment, the braided shielding layer is braided by copper wires or tinned copper wires with the diameter of not less than 0.1 mm.
In one embodiment, the annular inner liner comprises an inner layer cavity and an outer layer cavity which are sequentially arranged from inside to outside, the cable core belting layer and the braided shielding layer are located in the inner layer cavity, and the power line is located in the outer layer cavity.
In one embodiment, the outer layer cavity of the annular inner lining layer comprises a plurality of separation cavities, and the power lines are arranged in the separation cavities one by one.
In one embodiment, the number of the power lines is 3, and the power lines are respectively arranged in the 3 separation cavities one by one.
In one embodiment, a flow leakage line is arranged between the cable core belting layer and the braided shielding layer.
In one embodiment, the isolation layer is formed by extruding high-flame-retardant sheath materials, and the thickness of the isolation layer is larger than 1.2 mm.
The utility model has the advantages that: the traditional manufacturing process is eliminated, the signal wire and the power wire are designed in a layered and separated mode, the signal wire and the power wire cannot be mutually interfered, and the signal transmission is stable; the combination of the signal line and the power line after reasonable design realizes that one cable can reach data information, audio information and power transmission, the construction and maintenance of the cable are convenient, the safety and reliability and the space utilization rate are high, and meanwhile, the railway construction cost is effectively reduced.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
Fig. 1 is a schematic structural diagram of a multifunctional braided shielded transponder data transmission cable according to an embodiment of the present application.
The reference numbers in the figures are: 1-insulating single wire, 2-conductor, 3-conductor insulating layer, 4-cable core wrapping layer, 5-braided shielding layer, 6-annular lining layer, 7-power line, 8-power line conductor, 9-power line insulating layer, 10-isolation layer, 11-armor layer and 12-outer sheath.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, a data transmission cable of a multifunctional braided shielding transponder includes a cable core for transmitting signals, a power line 7 for transmitting power, and an outer sheath 12, wherein a cable core tape layer 4, a braided shielding layer 5, and an annular liner layer 6 are sequentially disposed between the cable core and the power line 7 from inside to outside, one of a polyester tape, a PP tape, a PE mesh tape, or a flame retardant tape is coated outside the cable core, so as to form the cable core tape layer 4, and an isolation layer 10 and an armor layer 11 are sequentially disposed between the outer sheath 12 and the power line 7 from inside to outside. Therefore, the cable core outer side is sequentially provided with a cable core belting layer 4, a braided shielding layer 5, an annular lining layer 6, an isolation layer 10, an armor layer 11 and an outer sheath 12 from inside to outside, and a power line 7 is arranged between the annular lining layer 6 and the isolation layer 10. The insulated single wire 1 is composed of a conductor and an insulating layer tightly coated outside the conductor, and the power line 7 is composed of a conductor and an insulating layer coated on the periphery of the conductor, wherein the number of the power line 7 is at least one.
In one embodiment, the cable core is formed by stranding at least two insulated single wires 1. The cable core comprises at least one four-wire set or two-wire set, wherein the four-wire set is formed by twisting four insulating single wires 1 with different colors, and the two-wire set is formed by twisting two insulating single wires 1 with different colors.
In one embodiment, the cable core wrapping layer 4 includes at least two wrapping layers for tightly wrapping the cable core, and the wrapping layers can adopt fire-resistant mica tapes and the like.
In one embodiment, the braided shielding layer 5 is braided by copper wires or tinned copper wires with the diameter of not less than 0.1mm, and the braiding tightness is not less than 85%. The braided shielding layer 5 enables the cable to be light and soft, and the braided shielding layer 5 formed by braiding copper wires or tinned copper wires with the diameter not less than 0.1mm is good in shielding effect, high in tensile strength and good in bending property.
The annular inner liner layer 6 is manufactured by adopting an annular die through an extrusion molding process, in one embodiment, the annular inner liner layer 6 comprises an inner layer cavity and an outer layer cavity which are sequentially arranged from inside to outside, the cable core belting layer 4 and the braided shielding layer 5 are positioned in the inner layer cavity, and the power line 7 is positioned in the outer layer cavity.
In one embodiment, the number of the outer layer cavities of the annular lining layer 6 is divided into a plurality of cavities, specifically, the outer layer cavities of the annular lining layer 6 include a plurality of partitioned cavities, and the power lines 7 are arranged in the partitioned cavities one by one. In one embodiment, the outer cavity of the annular lining layer 6 is divided into 3, and correspondingly, the power lines 7 are 3 and are respectively arranged in the 3 separated cavities one by one. The diameter of the outer layer cavity of the annular lining layer 6 and the separation cavity thereof is set according to the outer diameter of the power line 7. It should be noted that, according to the use requirement, the number of the outer layer cavity partitions of the annular lining layer 6 can be adjusted according to the number of the power lines 7 required to be arranged, and the power lines 7 arranged in the outer layer cavity of the annular lining layer 6 can be formed by twisting a single power line 7 or a plurality of power lines 7.
In order to ensure that the cable maintains excellent electrical performance and shielding performance for a long time, in one embodiment, a current leakage line is arranged between the cable core wrapping layer 4 and the braided shielding layer 5.
In one embodiment, the isolation layer 10 is extruded by high flame retardant sheath material, and the thickness is more than 1.2 mm. The isolation layer 10 not only has high flame retardant property, but also has good temperature resistance, moisture resistance and waterproof performance, and the manufactured cable has high safety and reliability.
The embodiment of the utility model provides a still include a multi-functional braided shield transponder data transmission cable manufacturing method for make above-mentioned multi-functional braided shield transponder data transmission cable, the method includes following step:
step 20, coating one of a polyester tape, a PP (polypropylene) tape, a PE (polyethylene) reticulate pattern tape or a flame-retardant wrapping tape outside the stranded cable core to form a cable core wrapping tape layer 4;
step 30, covering a braided shielding layer 5 outside the cable core belting layer 4 by a braiding machine by adopting a braiding process;
step 40, after the annular extrusion molding die is installed, penetrating the power line 7 and the cable core coated with the cable core belting layer 4 and the braided shielding layer 5 into the annular extrusion molding die together for extrusion molding to form an annular lining layer 6;
step 50, extruding and wrapping the annular inner liner 6 by adopting a high-flame-retardant sheath material through an extrusion molding process to form an isolation layer 10, and wrapping an armor layer 11 outside the isolation layer 10 by adopting an armor process;
and step 60, extruding and wrapping the armor layer 11 to form an outer sheath 12, namely manufacturing the multifunctional braided shielding transponder data transmission cable of the embodiment.
To sum up, the beneficial effects of the utility model are that: the traditional manufacturing process is eliminated, the signal wire and the power wire are designed in a layered and separated mode, the signal wire and the power wire cannot be mutually interfered, and the signal transmission is stable; the combination of the signal line and the power line after reasonable design realizes that one cable can reach data information, audio information and power transmission, the construction and maintenance of the cable are convenient, the safety and reliability and the space utilization rate are high, and meanwhile, the railway construction cost is effectively reduced.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides a multi-functional woven shield transponder data transmission cable, characterized in that, including the cable core of signal transmission, power line (7) and oversheath (12) of transmission electric power, the cable core with from interior to exterior is equipped with cable core band layer (4), woven shield (5) and cyclic annular inner liner (6) in proper order between power line (7) the outer one in polyester area, PP area, PE reticulation area or fire-retardant band of cladding of cable core, thereby forms cable core band layer (4), oversheath (12) with still from interior to exterior is equipped with isolation layer (10) and armor (11) in proper order between power line (7).
2. A multifunctional braided-shielded transponder data transmission cable according to claim 1, characterized in that the core tape layer (4) comprises at least two layers of tape for binding the core.
3. A multifunctional braided shielded transponder data transmission cable according to claim 1, characterized in that the cable core is formed by stranding at least two insulated single wires (1).
4. A multifunctional braided shielded transponder data transmission cable according to claim 1, characterized in that the braided shield (5) is braided with copper wires or tinned copper wires having a diameter of not less than 0.1 mm.
5. The multifunctional data transmission cable of claim 1, wherein the annular lining layer (6) comprises an inner layer cavity and an outer layer cavity which are sequentially arranged from inside to outside, the cable core band layer (4) and the braided shielding layer (5) are positioned in the inner layer cavity, and the power line (7) is positioned in the outer layer cavity.
6. A multifunctional braided shielded transponder data transmission cable as claimed in claim 5, characterized in that the outer cavity of the annular inside lining layer (6) comprises a plurality of separate cavities, the power lines (7) being arranged one by one in the separate cavities.
7. A multifunctional braided shielded transponder data transmission cable according to claim 6, characterized in that said power lines (7) have 3, one for each of 3 said compartments.
8. A multifunctional braided-shielded transponder data transmission cable according to claim 1, characterized in that a relief line is provided between the core tape layer (4) and the braided-shield layer (5).
9. The multifunctional data transmission cable of claim 1, wherein the isolation layer (10) is extruded from a highly flame retardant jacket material and has a thickness greater than 1.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920597477.0U CN209912524U (en) | 2019-04-28 | 2019-04-28 | Multifunctional braided shielding transponder data transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920597477.0U CN209912524U (en) | 2019-04-28 | 2019-04-28 | Multifunctional braided shielding transponder data transmission cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209912524U true CN209912524U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920597477.0U Expired - Fee Related CN209912524U (en) | 2019-04-28 | 2019-04-28 | Multifunctional braided shielding transponder data transmission cable |
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| Country | Link |
|---|---|
| CN (1) | CN209912524U (en) |
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- 2019-04-28 CN CN201920597477.0U patent/CN209912524U/en not_active Expired - Fee Related
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Granted publication date: 20200107 |