CN217719134U - Multicore shielding formula cable that interference killing feature is strong - Google Patents
Multicore shielding formula cable that interference killing feature is strong Download PDFInfo
- Publication number
- CN217719134U CN217719134U CN202221985291.0U CN202221985291U CN217719134U CN 217719134 U CN217719134 U CN 217719134U CN 202221985291 U CN202221985291 U CN 202221985291U CN 217719134 U CN217719134 U CN 217719134U
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- Prior art keywords
- layer
- shielding
- mylar
- insulating
- conductor
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- 239000004020 conductor Substances 0.000 claims abstract description 67
- 229910052751 metal Inorganic materials 0.000 claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 52
- 238000005253 cladding Methods 0.000 claims abstract description 17
- 241000209140 Triticum Species 0.000 claims abstract description 8
- 235000021307 Triticum Nutrition 0.000 claims abstract description 8
- 230000017105 transposition Effects 0.000 claims abstract description 8
- 229920002799 BoPET Polymers 0.000 claims description 84
- 239000005041 Mylar™ Substances 0.000 claims description 78
- 238000004804 winding Methods 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 5
- 239000012943 hotmelt Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a multicore shielding formula cable that interference killing feature is strong, including three piece at least conductors, the outside equal cladding of each conductor have the shielding layer, form the shielding conductor, three piece at least shielding conductors transposition each other and form the shielding conductor subassembly, the outside cladding of shielding conductor subassembly has the shielding layer, the shielding layer draws layer and metal wheat to draw the layer for insulating wheat from inside to outside in proper order, the outside of the outside shielding layer of shielding conductor subassembly still cladding has the outer jacket. The utility model discloses all set up the shielding layer on each conductor to set up the shielding layer equally in the outside of shielding conductor subassembly, strengthen the holistic outside anti-interference shielding ability of cable. And each conductor carries out mutual transposition once more after setting up the shielding layer and forms wholly, compares prior art and needs the cubic transposition to form wholly again, and the structure is more simple, also is convenient for process.
Description
Technical Field
The utility model belongs to the technical field of the cable and specifically relates to a multicore shielding formula cable that interference killing feature is strong.
Background
The application number is 201621190404.2, and the name is Chinese patent document of a signal leakage prevention anti-interference antenna equipment transmission cable, and discloses an anti-interference transmission cable which comprises two groups of conductor assemblies, wherein each group of conductor assemblies comprises four groups of mutually stranded conductors, and each group of conductor assemblies is coated with a first aluminum foil layer, a first hot-melting Mylar layer, a second aluminum foil layer and a second hot-melting Mylar layer from inside to outside to form an anti-interference shielding layer. However, the two sets of conductor assemblies are externally provided with the hot-melt mylar layer only once, and the external overall shielding capability is poor, so that two aluminum foil layers and the hot-melt mylar layer need to be coated outside each set of conductor assembly, and the structure is complex. In addition, four groups of conductors of each group of conductor assemblies need to be twisted, and two groups of conductor assemblies also need to be twisted, namely, the cable with the structure needs to be twisted for three times, and the processing difficulty is high.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art, the utility model provides a multicore shielding formula cable that the interference killing feature is strong that the structure is comparatively simple, convenient processing generates.
The utility model provides a technical scheme that the problem adoption is:
the utility model provides a multicore shielding formula cable that interference killing feature is strong, includes three piece at least conductors, the outside of each conductor all the cladding have the shielding layer, form shielding conductor, three piece at least shielding conductor transposition each other form shielding conductor subassembly, the outside cladding of shielding conductor subassembly has the shielding layer, the shielding layer is from inside to outside in proper order for insulating wheat to draw layer and metal wheat to draw the layer, the outside of the outside shielding layer of shielding conductor subassembly still cladding has the outer jacket.
As a further improved technical scheme, the metal Mylar layer adopts double-sided insulation metal Mylar, the double-sided insulation metal Mylar comprises a metal belt layer and two insulation belt layers, and the two insulation belt layers are respectively bonded on the upper surface and the lower surface of the metal belt layer through glue layers.
In a further improved technical scheme, the metal tape layer is formed by laminating a plurality of layers of aluminum foils or copper foils, and the insulating tape layer is a PET layer.
As a further improved technical scheme, the insulating mylar layer is formed by spirally winding and coating the insulating mylar, and the overlapping rate of two adjacent insulating mylars is more than or equal to 25%.
As a further improved technical scheme, the insulation mylar adopts hot-melt insulation mylar.
As a further improved technical scheme, the metal mylar layer is formed by spirally winding and wrapping the metal mylar outside the insulating mylar layer, and the overlapping rate of two adjacent metal mylars is more than or equal to 30%.
As a further improved technical scheme, an insulating layer is further arranged between the conductor and the shielding layer, and the insulating Mylar on the conductor is spirally wound and coated on the outer surface of the insulating layer.
As a further improved technical scheme, the insulating mylar is coated with 2-5 layers, and the metal mylar is coated with 2-8 layers.
As a further improved technical scheme, the insulating layer is made of one of PVC, PE, PP and Teflon.
As a further improved technical scheme, a filling strip is further arranged in a gap between the shielding conductor and/or between the shielding conductor and the external shielding layer, and the filling strip is one of PVC, PE, PP, cotton yarn and fiber.
The utility model has the advantages that: the utility model discloses all set up the shielding layer on each conductor to set up the shielding layer equally in the outside of shielded conductor subassembly, strengthen the holistic outside anti-interference shielding ability of cable. And each conductor carries out mutual transposition once more after setting up the shielding layer and forms wholly, compares prior art and needs the cubic transposition to form wholly again, and the structure is more simple, also is convenient for process.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention;
fig. 3 is a schematic structural view of the double-sided insulated metal mylar of the present invention.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in the following with reference to the embodiments and the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention. The technical characteristics in the invention can be interactively combined to form a new embodiment on the premise of not conflicting with each other.
Multicore shielding formula cable that interference killing feature is strong, including three piece at least conductors 1, the outside of each conductor 1 all the cladding have the shielding layer, form shielding conductor, three piece at least shielding conductor transposition each other form shielding conductor subassembly, the outside cladding of shielding conductor subassembly has the shielding layer, the shielding layer is from inside to outside in proper order for insulating wheat to draw layer 100 and metal wheat to draw layer 200, the outside of the outside shielding layer of shielding conductor subassembly still cladding has outer jacket 300.
According to the first embodiment shown in fig. 1, the cable includes three conductors 1, the outer surfaces of the conductors 1 are further covered with insulating layers 500, and the outer surface of the insulating layer 500 of each conductor 1 is covered with an insulating mylar layer 100 and a metal mylar layer 200 from inside to outside, wherein the insulating mylar layer 100 is covered on the insulating layer 500 by using insulating mylar in a spiral winding manner, and the metal mylar layer 200 is covered on the outer surface of the insulating mylar layer 100 by using metal mylar in a spiral winding manner. The insulated mylar has an insulating effect after being coated, and plays an insulating protection role for the insulating layer 500 of the conductor 1, and the metal mylar forms a shield after being coated, so that an anti-interference effect is achieved.
In the first embodiment, the three conductors 1 covered with the insulating mylar layer 100 and the metal mylar layer 200 are formed by twisting each other, and the insulating mylar layer 100 and the metal mylar layer 200 are further covered on the outside thereof in a manner similar to the covering manner of the insulating mylar layer 100 and the metal mylar layer 200 on the conductor 1: insulating mylar layer 100 adopts insulating mylar spiral winding cladding on the shielded conductor subassembly that three conductors 1 formed, and metal mylar layer 200 also adopts metal mylar to pass through spiral winding cladding mode cladding on insulating layer 500, makes the outside of three conductors 1 have like this shielded anti-interference layer, and the outermost still further outer jacket 300 that is provided with.
In the first embodiment, when the insulating mylar is coated, the overlapping rate of two adjacent insulating mylars is not less than 25%, and when the metal mylar is coated, the overlapping rate of two adjacent metal mylars is not less than 30%, and a larger overlapping rate is adopted, so that the coating tightness can be ensured, and the looseness cannot occur in the use process. Further, the number of insulating mylar layers is generally 2 to 5, the number of metal mylar layers is generally 2 to 8, the thickness of the insulating mylar layer and the metal mylar layer formed is 0.02 to 0.1mm, the insulating mylar layer of the first embodiment is 3, and the metal mylar layer is 5.
In the first embodiment, the gap between the shielding conductor and the outer shielding layer is provided with the filler strips 400, and there are three filler strips 400 in total uniformly and respectively at the gap between the shielding conductor and the outer shielding layer. The filler strip 400 is one of PVC, PE, PP, cotton yarn, and fiber. The filler strip 400 is provided to support cushioning and tensile strength.
As shown in fig. 2, the cable includes four conductors 1, and as in embodiment 1, the outer surface of each conductor 1 is covered with an insulating layer 500, the insulating layer 500 is covered with an insulating mylar layer 100 and a metal mylar layer 200 from inside to outside, the insulating mylar layer 100 is spirally wound around the insulating layer 500, and the metal mylar layer 200 is spirally wound around the outer surface of the insulating mylar layer 100.
Similarly, in the second embodiment, the four conductors 1 of the coated insulating mylar layer 100 and the coated metal mylar layer 200 are twisted and molded with each other, and the insulating mylar layer 100 and the coated metal mylar layer 200 are further coated on the outside, and the coating methods of the insulating mylar layer 100 and the coated metal mylar layer 200 are also coated by the spiral winding coating method using the insulating mylar and the metal mylar, respectively. An outer sheath 300 is disposed at the outermost side.
In addition, the overlapping rate, the number of layers, and the thickness of the insulating mylar and the metal mylar in the second example were the same as those in the first example. The filler strip 400 in the second embodiment has five strips, one of which is located in the middle gap between four shielding conductors, and the other four strips are respectively and uniformly arranged in the gap between the shielding conductor and the outer shielding layer.
The insulating layer 500 in the first and second embodiments is made of one of PVC, PE, PP, and teflon, and these materials are insulating materials, so that the insulating effect is good and the cost is low. The insulation mylar in the first embodiment and the second embodiment is in a hot melting mode, in the processing process, the hot melting mylar is compactly wrapped and shaped through uniform baking of the pay-off shaft and the take-up shaft, and the baking temperature is preferably 250 +/-30 ℃.
In addition, as shown in fig. 3, in the first and second embodiments, the metal mylar layer 200 is a double-sided metal mylar, which includes a metal tape layer 201 and two insulating tape layers 202, wherein the two insulating tape layers 202 are respectively adhered to the upper and lower surfaces of the metal tape layer 201 through glue layers 203, the metal tape layer 201 is formed by laminating a plurality of layers of aluminum foil or copper foil, and the insulating tape layer 202 is a PET layer. Double-sided insulating metal mylar has shielding anti-jamming effect, in addition owing to be equipped with insulating band layer 202, still plays further insulating effect, can insulating band layer 202 reinforcing frictional force behind the cladding operation simultaneously, improves the firm degree of cladding.
It should be noted that the above is only further elaborated with reference to the embodiments, and does not limit the scope of the present invention, and if the technology is simply modified, the purpose of the present invention can be achieved by the substantially same means, and all of the purposes of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a multicore shielding formula cable that interference killing feature is strong, includes three piece at least conductors (1), its characterized in that: the outside of each conductor (1) all the cladding have a shielding layer, form shielding conductor, three at least shielding conductor transposition each other form shielding conductor assembly, shielding conductor assembly's outside cladding has a shielding layer, the shielding layer is insulating wheat in proper order from inside to outside and draws layer (100) and metal wheat (200), the outside of the shielding layer of shielding conductor assembly outside still cladding has outer jacket (300).
2. The multi-core shielded cable of claim 1, wherein the multi-core shielded cable has high interference rejection capability, and comprises: the metal Mylar layer (200) is made of double-sided insulated metal Mylar, the double-sided insulated metal Mylar comprises a metal belt layer (201) and two insulated belt layers (202), and the two insulated belt layers (202) are respectively bonded to the upper surface and the lower surface of the metal belt layer (201) through glue layers (203).
3. The multi-core shielded cable of claim 2, wherein the multi-core shielded cable has high interference rejection capability, and comprises: the following steps: the metal tape layer (201) is formed by laminating a plurality of layers of aluminum foils or copper foils, and the insulating tape layer (202) is a PET layer.
4. The shielded multi-core cable of claim 1, further comprising: the insulating mylar layer (100) is formed by spirally winding and coating insulating mylar, and the overlapping rate of two adjacent insulating mylars is more than or equal to 25%.
5. The multi-core shielded cable of claim 4, wherein the multi-core shielded cable has high interference rejection capability, and comprises: the insulating mylar is hot-melt insulating mylar.
6. The multi-core shielded cable of claim 4, wherein the multi-core shielded cable has high interference rejection capability, and comprises: the metal mylar layer (200) is formed by spirally winding and wrapping metal mylar outside the insulating mylar layer (100), and the overlapping rate of two adjacent metal mylars is more than or equal to 30%.
7. The multi-core shielded cable of claim 6, wherein the multi-core shielded cable has high interference rejection capability, and further comprises: an insulating layer (500) is further arranged between the conductor (1) and the shielding layer, and the insulating Mylar on the conductor (1) is spirally wound and coated on the outer surface of the insulating layer (500).
8. The shielded multi-core cable of claim 7, further comprising: the insulating mylar is coated with 2-5 layers, and the metal mylar is coated with 2-8 layers.
9. The multi-core shielded cable of claim 7, wherein the multi-core shielded cable has high interference rejection capability, and further comprises: the insulating layer (500) is made of one of PVC, PE, PP and Teflon.
10. The shielded multi-core cable of any one of claims 1 to 9, wherein the cable has a high interference rejection capability, and comprises: and a filling strip (400) is further arranged in a gap between the shielding conductor and/or between the shielding conductor and the external shielding layer, and the filling strip (400) is one of PVC, PE, PP, cotton yarn and fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221985291.0U CN217719134U (en) | 2022-07-29 | 2022-07-29 | Multicore shielding formula cable that interference killing feature is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221985291.0U CN217719134U (en) | 2022-07-29 | 2022-07-29 | Multicore shielding formula cable that interference killing feature is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217719134U true CN217719134U (en) | 2022-11-01 |
Family
ID=83781753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221985291.0U Expired - Fee Related CN217719134U (en) | 2022-07-29 | 2022-07-29 | Multicore shielding formula cable that interference killing feature is strong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217719134U (en) |
-
2022
- 2022-07-29 CN CN202221985291.0U patent/CN217719134U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221101 |