CN222300368U - Cable structure of anti signal interference - Google Patents
Cable structure of anti signal interference Download PDFInfo
- Publication number
- CN222300368U CN222300368U CN202420907716.9U CN202420907716U CN222300368U CN 222300368 U CN222300368 U CN 222300368U CN 202420907716 U CN202420907716 U CN 202420907716U CN 222300368 U CN222300368 U CN 222300368U
- Authority
- CN
- China
- Prior art keywords
- layer
- data transmission
- shielding
- signal
- conductor
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 239000004033 plastic Substances 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000011888 foil Substances 0.000 claims description 9
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 6
- 239000010410 layer Substances 0.000 abstract description 139
- 239000011247 coating layer Substances 0.000 abstract description 11
- 230000008054 signal transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Communication Cables (AREA)
Abstract
The utility model relates to the technical field of cables, in particular to an anti-signal interference cable structure, which comprises an outer coating layer and a signal wire, wherein the signal wire comprises a high-frequency signal data transmission wire and a low-frequency signal data transmission wire, the high-frequency signal data transmission wire is sequentially provided with a first conductor layer, a first insulating layer, a first shielding layer and a second shielding layer from inside to outside, the low-frequency signal data transmission wire is sequentially provided with a second conductor layer, a second insulating layer and a third shielding layer from inside to outside, the inner side of the outer coating layer is further sequentially provided with a fourth shielding layer and a fifth shielding layer, and the inner side of the outer coating layer is further provided with a ground wire.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a cable structure resistant to signal interference.
Background
The cable is an electric energy or signal transmission device, and is usually composed of several wires or groups of wires, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers for connecting circuits, appliances, etc.
At present, when a plurality of signal wires are arranged in the cable, the shielding effect is poor, so that the inner parts of the plurality of signal wires are mutually interfered, and the plurality of signal wires are interfered by external signals, so that the signal transmission quality of the signal wires is greatly reduced, and the use of connecting equipment is affected.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a cable structure resistant to signal interference, which can effectively solve the problems in the background art after being improved.
The technical scheme of the utility model is as follows:
A cable structure resistant to signal interference comprises an outer coating layer and a signal wire;
The inside of the outer coating layer is provided with a signal wire, the signal wire comprises a high-frequency signal data transmission line and a low-frequency signal data transmission line, and the high-frequency signal data transmission line is sequentially provided with a first conductor layer, a first insulating layer, a first shielding layer and a second shielding layer from inside to outside; the low-frequency signal data transmission line is sequentially provided with a second conductor layer, a second insulating layer and a third shielding layer from inside to outside;
The inner side of the outer coating layer is also provided with a fourth shielding layer and a fifth shielding layer in sequence, and the inner side of the outer coating layer is also provided with a ground wire which is formed by twisting four tinned copper wires;
The first shielding layer is an aluminum foil layer, the second shielding layer is a woven copper mesh layer, the third shielding layer is an aluminum foil layer, the fourth shielding layer is an aluminum foil layer, and the fifth shielding layer is a woven copper mesh layer.
Further, the first conductor layer and the first insulating layer form a first core wire, the number of the first core wires is four, the first core wires are twisted in pairs again, the first conductor layer is a tinned copper wire layer, and the first insulating layer is an HDPE plastic layer.
Further, the number of the low-frequency signal data transmission lines is two, the second conductor layer and the second insulating layer form a second core wire, the number of the second core wire is two, the second conductor layer is a tinned copper wire layer, and the second insulating layer is a PVC plastic layer.
Further, a first power line, a second power line and a signal switch control line are further arranged in the outer cover layer.
Further, the first power lines are sequentially provided with a third conductor layer and a third insulating layer from inside to outside, the third conductor layer is a tinned copper wire layer, the third insulating layer is a PVC plastic layer, and the number of the first power lines is six and is formed by twisting two by two.
Further, a fourth conductor layer and a fourth insulating layer are sequentially arranged on the second power line from inside to outside, the fourth conductor layer is a tinned copper wire layer, the fourth insulating layer is a PVC plastic layer, and the number of the second power lines is six.
Further, a fifth conductor layer and a fifth insulating layer are sequentially arranged on the signal switch control lines from inside to outside, the fifth conductor layer is a tinned copper wire layer, the fifth insulating layer is a PVC plastic layer, and the number of the signal switch control lines is four.
Further, the outer coating layer is a PVC plastic layer.
The beneficial effects of the utility model are as follows:
Compared with the prior art, the high-frequency signal data transmission line can be resistant to signal interference by arranging the first shielding layer and the second shielding layer, the low-frequency signal data transmission line can be resistant to signal interference by arranging the third shielding layer, the cable can be resistant to external signal interference by arranging the fourth shielding layer and the fifth shielding layer, meanwhile, the cable is further provided with the ground wire formed by twisting four tinned copper wires, and the capability of resisting various signal interference of the cable is further enhanced.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, 1, an outer coating layer, 2, a signal wire, 3, a high-frequency signal data transmission wire, 4, a low-frequency signal data transmission wire, 5, a first conductor layer, 6, a first insulating layer, 7, a first shielding layer, 8, a second shielding layer, 9, a second conductor layer, 10, a second insulating layer, 11, a third shielding layer, 12, a fourth shielding layer, 13, a fifth shielding layer, 14, a ground wire, 15, a first core wire, 16, a second core wire, 17, a first power wire, 18, a second power wire, 19, a signal switch control wire, 20, a third conductor layer, 21, a third insulating layer, 22, a fourth conductor layer, 23, a fourth insulating layer, 24, a fifth conductor layer, 25, and a fifth insulating layer.
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
as shown in figure 1 of the drawings,
A cable structure resistant to signal interference comprises an outer coating layer 1 and a signal wire 2;
The high-frequency signal transmission line comprises an outer cover layer 1, wherein a signal line 2 is arranged in the outer cover layer 1, the signal line 2 comprises a high-frequency signal data transmission line 3 and a low-frequency signal data transmission line 4, the high-frequency signal data transmission line 3 is sequentially provided with a first conductor layer 5, a first insulating layer 6, a first shielding layer 7 and a second shielding layer 8 from inside to outside, the low-frequency signal data transmission line 4 is sequentially provided with a second conductor layer 9, a second insulating layer 10 and a third shielding layer 11 from inside to outside, the first shielding layer 7 and the second shielding layer 8 are arranged at the outermost side of the high-frequency signal data transmission line 3, the high-frequency signal data transmission line 3 has signal interference resistance, the third shielding layer 11 is arranged at the outermost side of the low-frequency signal data transmission line 4, the low-frequency signal data transmission line 4 has signal interference resistance, and signal interference between the high-frequency signal data transmission line 3 and the low-frequency signal data transmission line 4 can be avoided;
The inner side of the outer cover layer 1 is also provided with a fourth shielding layer 12 and a fifth shielding layer 13 in sequence, the inner side of the outer cover layer 1 is also provided with a ground wire 14, and the ground wire 14 is formed by twisting four tinned copper wires;
specifically, the first shielding layer 7 is an aluminum foil layer, the second shielding layer 8 is a woven copper mesh layer, the third shielding layer 11 is an aluminum foil layer, the fourth shielding layer 12 is an aluminum foil layer, and the fifth shielding layer 13 is a woven copper mesh layer.
The first conductor layer 5 and the first insulating layer 6 form a first core wire 15, the number of the first core wires 15 is four, the first core wires are twisted in pairs, the first conductor layer 5 is a tinned copper wire layer, and the first insulating layer 6 is an HDPE plastic layer, the design aims to have the function of wire integration, effectively reduce the space of a cable wire and further improve the use effect, in addition, one unit A can be formed after the two first core wires 15 are twisted, then the two units A are twisted again, the symmetrically twisted tinned copper wires are beneficial to the transmission of high-frequency signals, and the structure enables the characteristic impedance of the high-frequency signal data transmission line 3 to be 100 omega, and the attenuation of the high-frequency signal data transmission line 3 is 4db/100m when passing through a high-frequency signal of 400 MHz.
The number of the low-frequency signal data transmission lines 4 is two, the second conductor layers 9 and the second insulating layers 10 form a second core wire 16, the number of the second core wires 16 is two, the second conductor layers 9 are tinned copper wire layers, the second insulating layers 10 are PVC plastic layers, and it is understood that the low-frequency signal data transmission lines 4 can provide signal transmission below 30 KHz.
As a preferred embodiment, the inside of the outer cover layer 1 is also provided with a first power line 17, a second power line 18 and a signal switch control line 19, it is understood that the first power line 17 is a large power line, six large power lines of 0.75mm 2 are adopted to provide power energy transmission for the whole equipment, the second power line 18 is a small power line, and six small power lines of 0.5mm 2 are adopted to provide power for the signal switch control line 19, the high-frequency signal data transmission line 3 and the low-frequency signal data transmission line 4.
In a preferred embodiment, the first power line 17 is provided with a third conductor layer 20 and a third insulating layer 21 in sequence from inside to outside, the third conductor layer 20 is a tinned copper wire layer, the third insulating layer 21 is a PVC plastic layer, and the number of the first power lines 17 is six and is twisted two by two.
In a preferred embodiment, the second power line 18 is provided with a fourth conductor layer 22 and a fourth insulating layer 23 in sequence from inside to outside, the fourth conductor layer 22 is plated with a tin-copper wire layer, the fourth insulating layer 23 is a PVC plastic layer, and the number of the second power lines 18 is six.
In a preferred embodiment, the signal switch control wires 19 are sequentially provided with a fifth conductor layer 24 and a fifth insulating layer 25 from inside to outside, the fifth conductor layer 24 is a tinned copper wire layer, the fifth insulating layer 25 is a PVC plastic layer, and the number of the signal switch control wires 19 is four.
In a preferred embodiment, the outer coating layer 1 is a PVC plastic layer.
The PVC plastics used in the method have CL2 flame-retardant and waterproof performances, and can further improve the service quality of the cable.
It should be noted that the main problems in the prior art are that when a plurality of signal wires are arranged in the cable, the shielding effect is poor, so that the inner parts of the plurality of signal wires are mutually interfered, and the plurality of signal wires are interfered by external signals, thereby greatly reducing the signal transmission quality of the signal wires and affecting the use of connecting equipment;
Therefore, after the improvement of the application, the signal interference between the high-frequency signal data transmission line 3 and the low-frequency signal data transmission line 4 can be avoided, the signal interference to the signal line 2 from the outside can be effectively prevented, the signal interference resistance is strong, the signal transmission quality of the signal line 2 can be effectively ensured, and the normal operation of the connecting equipment is ensured, and the practicability is strong.
The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420907716.9U CN222300368U (en) | 2024-04-28 | 2024-04-28 | Cable structure of anti signal interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420907716.9U CN222300368U (en) | 2024-04-28 | 2024-04-28 | Cable structure of anti signal interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222300368U true CN222300368U (en) | 2025-01-03 |
Family
ID=93972726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420907716.9U Active CN222300368U (en) | 2024-04-28 | 2024-04-28 | Cable structure of anti signal interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222300368U (en) |
-
2024
- 2024-04-28 CN CN202420907716.9U patent/CN222300368U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202711798U (en) | Mining signal cable | |
| CN202013767U (en) | Vessel-use silicone rubber insulating medium-voltage variable frequency flexible cable | |
| CN201489861U (en) | Multi-core low-smoke halogen-free flame-retardant control cable for ships | |
| CN101004958B (en) | a communication cable | |
| CN222300368U (en) | Cable structure of anti signal interference | |
| CN214477840U (en) | Doubling structure | |
| CN204130256U (en) | A kind of flame-retardant comprehensive transmission cable | |
| CN213123819U (en) | Multi-core cable | |
| CN2188798Y (en) | Cables for Intrinsically Safe Circuit Wiring | |
| CN201707961U (en) | Combination signal cable | |
| CN210110385U (en) | Network control composite cable for irradiation-resistant video monitoring | |
| CN222749262U (en) | Comprehensive cable for management port of ship | |
| CN208093244U (en) | A kind of shielding wire cable | |
| CN223743323U (en) | High-temperature-resistant multilayer polyimide shielded cable | |
| CN214796806U (en) | Multi-core integrated electric control carrier-borne comprehensive flat cable | |
| CN224036103U (en) | A transmission cable for high and low temperature instruments | |
| CN222106327U (en) | A lightweight nuclear electromagnetic pulse resistant control cable | |
| CN224164091U (en) | An insulated and enclosed low-voltage coaxial cable | |
| CN119650180A (en) | A low-leakage shielded cable | |
| CN220065258U (en) | Composite power and bus transmission cable | |
| CN205069215U (en) | Vertical watertight control cable | |
| CN220272173U (en) | Fire-resistant high-speed data cable for data center system | |
| CN224005686U (en) | Miniaturized radiation-resistant anti-interference coaxial cable | |
| CN220474356U (en) | Cable structure for signal transmission | |
| CN205302978U (en) | Strengthen resistance to compression type wind energy cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |