CN217361163U - Small-outer-diameter twisted signal transmission cable - Google Patents
Small-outer-diameter twisted signal transmission cable Download PDFInfo
- Publication number
- CN217361163U CN217361163U CN202220550355.8U CN202220550355U CN217361163U CN 217361163 U CN217361163 U CN 217361163U CN 202220550355 U CN202220550355 U CN 202220550355U CN 217361163 U CN217361163 U CN 217361163U
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- Prior art keywords
- signal transmission
- pair
- transmission cable
- shielding layer
- cable
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- 230000008054 signal transmission Effects 0.000 title claims abstract description 47
- 239000004020 conductor Substances 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 230000017105 transposition Effects 0.000 claims description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 3
- 238000000034 method Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Communication Cables (AREA)
Abstract
The utility model discloses a small outer diameter twisted signal transmission cable, which comprises a signal transmission wire core, wherein the signal transmission wire core comprises an innermost signal transmission conductor and an insulating layer coated outside the signal transmission conductor; every two signal transmission wire cores are in a group, the two signal transmission wire cores enter a die in two groups to be twisted into an A wire pair and a B wire pair, the outer sides of the A wire pair and the B wire pair are respectively wrapped with an inner shielding layer, the A wire pair and the B wire pair are correspondingly twisted into a small-outer-diameter twisted form through the die and are correspondingly twisted into a cable through the arranged outer shielding layer, the outer side of the outer shielding layer is further wrapped with an armor layer, and the outer side of the armor layer is further wrapped with an outer sheath.
Description
Technical Field
The utility model relates to a signal transmission cable technical field, specific little external diameter transposition formula signal transmission cable that says so.
Background
The signal transmission cable in the prior art is used for signal transmission, such as fire alarm signal transmission, audio signal transmission, 485 signal transmission and the like; a signal transmission cable in the prior art is generally manufactured by a twisting method, as shown in fig. 2, in a twisting process common in the prior art, the overall dimension of the cable is unstable, and the maximum dimension and the minimum dimension of the twisted product are the same, which may eventually cause the cable to be unrounded and have a larger outer diameter.
Furthermore, the twisted product is usually not provided with a shielding layer for each pair of wires, or the shielding layer needs to be applied separately in a later process, so that the shielding effect is poor and the flow is increased.
Therefore, in order to solve the above technical problems, it is necessary to develop a small outer diameter twisted signal transmission cable having a good shielding effect, a stable structure and a uniform external dimension.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a little external diameter transposition formula signal transmission cable to the not enough of prior art existence, has the fire-resistant assurance of inside and outside bilayer.
The technical scheme is as follows: the utility model solves the problems that the adopted technical scheme is that: a small-outer-diameter twisted signal transmission cable comprises a signal transmission wire core, wherein the signal transmission wire core comprises an innermost signal transmission conductor and an insulating layer coated outside the signal transmission conductor; every two signal transmission wire cores are in a group, the two signal transmission wire cores enter a die in two groups to be twisted into an A wire pair and a B wire pair, the outer sides of the A wire pair and the B wire pair are respectively wrapped with an inner shielding layer, the A wire pair and the B wire pair are correspondingly twisted into a small-outer-diameter twisted form through the die and are correspondingly twisted into a cable through the arranged outer shielding layer, the outer side of the outer shielding layer is further wrapped with an armor layer, and the outer side of the armor layer is further wrapped with an outer sheath.
Further, the size of the A line pair is the same as that of the B line pair.
Furthermore, fillers are filled between the A wire pair and the B wire pair and the outer shielding layer, and the fillers are glass fiber fillers.
Furthermore, the conductor of the signal transmission wire core is a copper conductor or an aluminum conductor; the material of the insulating layer is polyvinyl chloride or polyolefin.
Furthermore, the inner shielding layer is made of aluminum foil, and the outer shielding layer is made of copper or tinned copper.
Further, the armor layer is made of galvanized steel strips, and the outer sheath is made of polyvinyl chloride or polyolefin.
Has the advantages that: compared with the prior art, the utility model, have following advantage:
(1) the utility model realizes the synchronous process of pair twisting, A pair twisting and B pair cabling through the characteristic of no back twisting of the mould take-up reel, effectively stabilizes the structure of the twisted cable, realizes the minimization of the outer diameter, has stable structure and consistent overall dimension, can ensure the electrical performance index of the cable to be ensured, and can effectively save the outer sheath material of the cable;
(2) the inner shielding layer can be applied to the outside of each wire pair in the utility model, and the inner shielding layer can be simultaneously twisted without being applied independently, thereby reducing the flow; the design of the inner shielding layer can effectively protect the pair wires from interference, and a better shielding effect is achieved; in addition, an outer shielding layer is arranged on the outermost side, so that the whole cable has a good shielding effect;
(3) the utility model has compact structure, the signal wire in the cable is twisted into the cable by adopting a small outer diameter twisting method, the overall dimension of the cable is controlled, the material is effectively saved, the working procedures are less, compared with the similar products, the twisting mode of the device simultaneously carries out the twisting and the cabling on one twisting device, and 2 processing procedures are completed in one working procedure; and the whole cable has stable structure and very stable transmission performance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 prior art stranding process;
fig. 3 shows the twisting process 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 and fig. 3, a small outer diameter twisted signal transmission cable includes a signal transmission core 101, where the signal transmission core 101 includes a signal transmission conductor 1 at an innermost layer and an insulating layer 2 covering the signal transmission conductor 1; every two of the four signal transmission wire cores 101 are in a group, the two signal transmission wire cores enter the die 3 in two groups and are twisted into an A wire pair 4 and a B wire pair 5, the outer sides of the A wire pair 4 and the B wire pair 5 are respectively wrapped with an inner shielding layer 6, the A wire pair 4 and the B wire pair 5 are correspondingly twisted into a small outer diameter twisting form through the die 3, the A wire pair 4 and the B wire pair 5 are correspondingly twisted into a cable through the arranged outer shielding layer 7, the outer side of the outer shielding layer 7 is further wrapped with an armor layer 8, and the outer side of the armor layer 8 is further wrapped with an outer sheath 9.
The size of the A line pair 4 is the same as that of the B line pair 5; the filler 10 is filled between the pair A4 and the pair B5 and the outer shielding layer 7, and the filler 10 is glass fiber filler 10.
The conductor of the signal transmission wire core 101 is a copper conductor or an aluminum conductor; the insulating layer 2 is made of polyvinyl chloride or polyolefin; the inner shielding layer 6 is made of aluminum foil, and the outer shielding layer 7 is made of copper or tinned copper; the armor layer 8 is made of galvanized steel strips, and the outer sheath 9 is made of polyvinyl chloride or polyolefin.
The utility model discloses a rotatory characteristic of not backing round that the take-up reel of mould had realizes that the pair twist, A line pair and B line pair cabling carry out the technology in step, effectively stabilizes the structure of stranded cable, realizes the minimizing of external diameter, and stable in structure, overall dimension are unanimous, can ensure that the electrical property index of cable obtains guaranteeing, can effectively practice thrift the oversheath material of cable moreover.
The inner shielding layer can be applied to the outside of each line pair in the utility model, and the inner shielding layer can be simultaneously twisted without being applied independently, thereby reducing the flow; due to the design of the inner shielding layer, the pair wires can be effectively protected from interference, and a good shielding effect is achieved; in addition, an outer shielding layer is arranged on the outermost side, so that the whole cable has a good shielding effect.
The utility model has compact structure, the signal wire in the cable is twisted into the cable by adopting a small outer diameter twisting method, the overall dimension of the cable is controlled, the material is effectively saved, the working procedures are less, compared with the similar products, the twisting mode of the device simultaneously carries out the twisting and the cabling on one twisting device, and 2 processing procedures are completed in one working procedure; and the whole cable has stable structure and very stable transmission performance.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made according to the claims should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a little external diameter transposition formula signal transmission cable which characterized in that: the signal transmission cable comprises a signal transmission cable core (101), wherein the signal transmission cable core (101) comprises an innermost signal transmission conductor (1) and an insulating layer (2) coated outside the signal transmission conductor (1); every two of four signal transmission sinle silk (101) are a set of, divide into two sets of entering mould (3) and twist into A pair (4) and B pair (5), and A pair (4) and B pair (5) outside all the cladding have internal shield layer (6), A pair (4) and B pair (5) corresponding through mould (3) pair twist into little external diameter transposition form again to corresponding external shield (7) through setting up twists into the cable, and the outside of external shield (7) still cladding have armor (8), and the outside of armor (8) cladding one deck oversheath (9) again.
2. The small outer diameter stranded signal transmission cable of claim 1, wherein: the size of the pair A (4) is the same as that of the pair B (5).
3. The small outer diameter stranded signal transmission cable of claim 1, wherein: and fillers (10) are filled between the A line pair (4) and the B line pair (5) and the outer shielding layer (7), and the fillers (10) are set as glass fiber fillers (10).
4. The small outer diameter twisted signal transmission cable according to claim 1, wherein: the conductor of the signal transmission wire core (101) is a copper conductor or an aluminum conductor; the insulating layer (2) is a polyvinyl chloride insulating layer or a polyolefin insulating layer.
5. The small outer diameter stranded signal transmission cable of claim 1, wherein: the inner shielding layer (6) is arranged as an aluminum foil shielding layer, and the outer shielding layer (7) is made of copper or tinned copper.
6. The small outer diameter stranded signal transmission cable of claim 1, wherein: the armor layer (8) is made of galvanized steel strips, and the outer sheath (9) is made of polyvinyl chloride or polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220550355.8U CN217361163U (en) | 2022-03-10 | 2022-03-10 | Small-outer-diameter twisted signal transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220550355.8U CN217361163U (en) | 2022-03-10 | 2022-03-10 | Small-outer-diameter twisted signal transmission cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217361163U true CN217361163U (en) | 2022-09-02 |
Family
ID=83052061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220550355.8U Active CN217361163U (en) | 2022-03-10 | 2022-03-10 | Small-outer-diameter twisted signal transmission cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217361163U (en) |
-
2022
- 2022-03-10 CN CN202220550355.8U patent/CN217361163U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Small Outer Diameter Twisted Signal Transmission Cable Effective date of registration: 20230926 Granted publication date: 20220902 Pledgee: Yangzhou Branch of Zheshang Bank Co.,Ltd. Pledgor: JIANGSU TC SMART SYSTEMS GROUP Co.,Ltd. Registration number: Y2023980058847 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: No.2252, Shaling Road, Shatou, Jiangsu Province Patentee after: Jiangsu Tiancheng Intelligent Group Co.,Ltd. Country or region after: China Address before: No.2252, Shaling Road, Shatou, Jiangsu Province Patentee before: JIANGSU TC SMART SYSTEMS GROUP Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |