CN220456115U - Flexible sensor cable - Google Patents
Flexible sensor cable Download PDFInfo
- Publication number
- CN220456115U CN220456115U CN202322042871.7U CN202322042871U CN220456115U CN 220456115 U CN220456115 U CN 220456115U CN 202322042871 U CN202322042871 U CN 202322042871U CN 220456115 U CN220456115 U CN 220456115U
- Authority
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- China
- Prior art keywords
- line pair
- cable
- aluminum foil
- base layer
- film base
- Prior art date
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Links
- 239000010410 layer Substances 0.000 claims abstract description 60
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 30
- 239000011888 foil Substances 0.000 claims abstract description 30
- 239000012790 adhesive layer Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000005672 electromagnetic field Effects 0.000 abstract description 11
- 239000005030 aluminium foil Substances 0.000 abstract description 6
- 230000008054 signal transmission Effects 0.000 abstract description 5
- 230000035515 penetration Effects 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 230000017105 transposition Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 25
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 238000012544 monitoring process Methods 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
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Communication Cables (AREA)
- Insulated Conductors (AREA)
Abstract
The utility model discloses a flexible sensor cable, comprising: the signal line pair of constituteing by 2 insulating signal lines, the power line pair of constituteing by 2 insulating power lines, 1 ground wire and restrictive coating, the restrictive coating sets up in the cable core outside that forms by signal line pair, power line pair and ground wire transposition, the outside overlap of signal line pair is around the package has a double-sided aluminium foil, double-sided aluminium foil further includes: the film comprises a film base layer, adhesive layers coated on the two side surfaces of the film base layer and aluminum foil layers respectively bonded and connected with one side of the film base layer through the adhesive layers. The utility model can shield the interference of electromagnetic field in the cable to signal transmission, and increase the thickness of the aluminum foil while ensuring flexibility, so that the aluminum foil can not only be wrapped on the signal wire pair in a fitting manner without warping, but also can avoid the problem of electromagnetic field penetration, and improve the uniformity and stability of electromagnetic shielding.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a connecting cable for an industrial sensor, which is applied to transmission through a CAN communication protocol, an Ethernet communication protocol and the like.
Background
Along with the progress of the age, intelligent equipment is widely applied to various industries, the intelligent equipment is monitoring and automatic control equipment which is carried out through a CAN communication protocol and an Ethernet communication protocol, a sensor is usually required to be used for transmitting signals to a processor when the equipment is used, the using length of a traditional sensor connecting cable is relatively short, and the using environment condition is relatively safe.
At present, for a control monitoring and control system needing long-distance transmission, the transmission length of the system exceeds 300 meters, and the traditional sensor connecting cable cannot meet the requirements because the transmission length is longer and the application scene is more complex, so that higher requirements are provided for the uniformity and stability of electromagnetic field shielding of the cable long-distance transmission and the flexibility of the cable.
Disclosure of Invention
The utility model aims to provide a flexible sensor cable which can shield interference of electromagnetic field in the cable on signal transmission, and increase the thickness of aluminum foil while ensuring flexibility, so that the aluminum foil can be wrapped on a signal line pair without warping, the problem of electromagnetic field penetration can be avoided, and the uniformity and stability of electromagnetic shielding are improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a flexible sensor cable comprising: the cable comprises a signal line pair consisting of 2 insulating signal lines, a power line pair consisting of 2 insulating power lines, 1 ground line and a sheath layer, wherein the sheath layer is arranged on the outer side of a cable core formed by twisting the signal line pair, the power line pair and the ground line, and a double-sided aluminum foil is lapped and wrapped on the outer side of the signal line pair;
the double-sided aluminum foil further includes: the film comprises a film base layer, adhesive layers coated on the two side surfaces of the film base layer and aluminum foil layers respectively bonded and connected with one side of the film base layer through the adhesive layers.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the film base layer is a polypropylene film strip.
2. In the scheme, the adhesive layer is an aqueous acrylic ester polymeric latex layer.
3. In the scheme, a shielding layer is arranged between the cable core and the sheath layer.
4. In the scheme, the shielding layer is formed by overlapping and wrapping the aluminum-plastic composite belt on the outer surface of the cable core.
5. In the above scheme, the sheath layer is a polyurethane sheath layer formed by an extrusion process.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model relates to a flexible sensor cable, the outer side of a signal wire pair is overlapped and wrapped with a double-sided aluminum foil, the double-sided aluminum foil further comprises: the film basic unit, the glue film of coating on film basic unit both sides surface and the aluminium foil layer of being connected through glue film and film basic unit one side bonding respectively, can shield the interference that electromagnetic field produced signal transmission in the cable, and increased toughness and structural strength of two-sided aluminium foil through the film basic unit, increase the thickness of two-sided aluminium foil through the glue film when guaranteeing the compliance again for two-sided aluminium foil both can be pasted around wrapping on the signal line pair and not produce the warpage, have certain thickness again in order to avoid electromagnetic field to penetrate the problem, improve electromagnetic shield's homogeneity and stability.
Drawings
FIG. 1 is a schematic view of a flexible sensor cable according to the present utility model;
FIG. 2 is a schematic view of a partial structure of a flexible sensor cable according to the present utility model;
fig. 3 is a schematic structural view of a double-sided aluminum foil of the flexible sensor cable of the present utility model.
In the above figures: 1. a signal line pair; 2. a power line pair; 3. a ground wire; 4. a sheath layer; 5. a shielding layer; 10. double-sided aluminum foil; 11. a thin film base layer; 12. a glue layer; 13. an aluminum foil layer.
Detailed Description
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
Example 1: a flexible sensor cable comprising: the cable comprises a signal wire pair 1 formed by 2 insulated signal wires, a power wire pair 2 formed by 2 insulated power wires, 1 ground wire 3 and a sheath layer 4, wherein the sheath layer 4 is arranged on the outer side of a cable core formed by twisting the signal wire pair 1, the power wire pair 2 and the ground wire 3 through a coaxial cabling process, and a double-sided aluminum foil 10 is lapped and wrapped on the outer side of the signal wire pair 1;
the double-sided aluminum foil 10 further includes: the shielding signal line pair comprises a film base layer 11, adhesive layers 12 coated on the two side surfaces of the film base layer 11 and aluminum foil layers 13 respectively connected with one side of the film base layer 11 through the adhesive layers 12 in an adhesive mode, wherein the characteristic impedance of the shielding signal line pair wrapped with double-sided aluminum foil is 120 ohms;
the electromagnetic field in the cable can be shielded from interfering signal transmission, and the toughness and the structural strength of the double-sided aluminum foil are increased through the film base layer.
The film base layer 11 is a polypropylene film tape.
The adhesive layer 12 is an aqueous acrylate polymeric latex layer.
A shielding layer 5 is arranged between the cable core and the sheath layer 4.
The shielding layer 5 is formed by overlapping and wrapping an aluminum-plastic composite belt on the outer surface of the cable core.
The sheath layer 4 is a polyurethane sheath layer formed by an extrusion process, and specifically polyether type flame retardant polyurethane can be selected.
Example 2: a flexible sensor cable comprising: the cable comprises a signal wire pair 1 formed by 2 insulated signal wires, a power wire pair 2 formed by 2 insulated power wires, 1 ground wire 3 and a sheath layer 4, wherein the sheath layer 4 is arranged on the outer side of a cable core formed by twisting the signal wire pair 1, the power wire pair 2 and the ground wire 3, and a double-sided aluminum foil 10 is overlapped and wrapped on the outer side of the signal wire pair 1;
the double-sided aluminum foil 10 further includes: the shielding signal line pair comprises a film base layer 11, adhesive layers 12 coated on the two side surfaces of the film base layer 11 and aluminum foil layers 13 respectively connected with one side of the film base layer 11 in an adhesive mode through the adhesive layers 12, wherein the characteristic impedance of the shielding signal line pair wrapped with double-sided aluminum foil is 100 ohms;
the thickness of the double-sided aluminum foil is increased while the softness is ensured through the adhesive layer, so that the double-sided aluminum foil can not only be wrapped on the signal line pair in a fitting manner without warping, but also has a certain thickness so as to avoid the problem of electromagnetic field penetration, and the uniformity and the stability of electromagnetic shielding are improved.
The film base layer 11 is a polypropylene film tape.
The adhesive layer 12 is an aqueous acrylate polymeric latex layer.
The sheath layer 4 is a polyurethane sheath layer formed by an extrusion process.
The ground wire 3 is formed by twisting a plurality of tin-plated conductors.
The twisting directions and the twisting pitches of the signal line pair 1 and the power line pair 2 are consistent with those of the cable core.
When the flexible sensor cable is adopted, the flexible sensor cable can shield interference of electromagnetic field in the cable to signal transmission, toughness and structural strength of the double-sided aluminum foil are increased through the film base layer, and thickness of the double-sided aluminum foil is increased through the adhesive layer while flexibility is ensured, so that the double-sided aluminum foil can not warp after wrapping the signal wire pair, and has a certain thickness to avoid electromagnetic field penetration, and uniformity and stability of electromagnetic shielding are improved.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (5)
1. A flexible sensor cable comprising: the cable comprises a signal line pair (1) consisting of 2 insulating signal lines, a power line pair (2) consisting of 2 insulating power lines, 1 ground wire (3) and a sheath layer (4), wherein the sheath layer (4) is arranged on the outer side of a cable core formed by twisting the signal line pair (1), the power line pair (2) and the ground wire (3), and is characterized in that: the outer sides of the signal wire pairs (1) are overlapped and wrapped with a double-sided aluminum foil (10);
the double-sided aluminum foil (10) further comprises: the film comprises a film base layer (11), adhesive layers (12) coated on the two side surfaces of the film base layer (11) and aluminum foil layers (13) respectively connected with one side of the film base layer (11) through the adhesive layers (12) in an adhesive mode.
2. The flexible sensor cable of claim 1, wherein: the film base layer (11) is a polypropylene film strip.
3. The flexible sensor cable of claim 1, wherein: a shielding layer (5) is arranged between the cable core and the sheath layer (4).
4. A flexible sensor cable according to claim 3, wherein: the shielding layer (5) is formed by overlapping and wrapping an aluminum-plastic composite belt on the outer surface of the cable core.
5. The flexible sensor cable of claim 1, wherein: the sheath layer (4) is a polyurethane sheath layer formed by an extrusion process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322042871.7U CN220456115U (en) | 2023-07-28 | 2023-07-28 | Flexible sensor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322042871.7U CN220456115U (en) | 2023-07-28 | 2023-07-28 | Flexible sensor cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220456115U true CN220456115U (en) | 2024-02-06 |
Family
ID=89739712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322042871.7U Active CN220456115U (en) | 2023-07-28 | 2023-07-28 | Flexible sensor cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220456115U (en) |
-
2023
- 2023-07-28 CN CN202322042871.7U patent/CN220456115U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |