CN214226575U - Bending-resistant anti-broken 3-core shielded cable - Google Patents
Bending-resistant anti-broken 3-core shielded cable Download PDFInfo
- Publication number
- CN214226575U CN214226575U CN202120281407.1U CN202120281407U CN214226575U CN 214226575 U CN214226575 U CN 214226575U CN 202120281407 U CN202120281407 U CN 202120281407U CN 214226575 U CN214226575 U CN 214226575U
- Authority
- CN
- China
- Prior art keywords
- core
- density polyethylene
- bending
- twisted
- layer
- 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.)
- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 38
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910000077 silane Inorganic materials 0.000 claims abstract description 24
- 238000004804 winding Methods 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 15
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000805 composite resin Substances 0.000 claims abstract description 14
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 12
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 12
- 230000001050 lubricating effect Effects 0.000 claims abstract description 9
- 239000011162 core material Substances 0.000 claims description 79
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 4
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical compound C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000004519 grease Substances 0.000 abstract description 8
- 229920001296 polysiloxane Polymers 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract 4
- 238000012856 packing Methods 0.000 abstract 3
- 238000005253 cladding Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Landscapes
- Communication Cables (AREA)
Abstract
The utility model discloses a 3 core shielded cable of broken string are prevented to bending type, including two insulation core, an insulation pair twist sinle silk and first resin packing core strand form cable core, the outside cladding silane grafting crosslinked high density polyethylene oversheath of cable core, the insulation pair twist sinle silk includes that two pair twist sinle silks and second resin packing core strand form pair strand wires cores, the outside cladding iron powder resin composite winding layer of pair strand wires core, shielding mesh conductor layer and fluororesin are around band winding layer, the pair twist sinle silk includes that first inner conductor and first silane grafting crosslinked low density polyethylene insulating layer and packing have the insulating lubricating silicone grease, the insulation sinle silk includes that second inner conductor and second silane grafting crosslinked low density polyethylene insulating layer just pack have the insulating lubricating silicone grease, silane grafting crosslinked high density polyethylene oversheath external diameter is 8mm to 12 mm. The cable has better bending resistance, reduces the occurrence of disconnection phenomenon and has strong noise interference resistance.
Description
Technical Field
The application belongs to the technical field of cables, and particularly relates to an anti-bending type anti-breakage 3-core shielding cable.
Background
Electromagnetic noise environments tend to be quite complex in industrial applications, and the radiation or conduction (EMI) of electromagnetic noise can significantly interfere with the proper operation of electromechanical devices. In this process, an important carrier for electromagnetic noise propagation is various cables used in production line equipment. Some of them are noise sources and some are disturbed objects. One very important way to combat electromagnetic noise interference on electrical lines is to use shielded cables. In an automatic industrial production line, a multi-core cable is generally used for a tow chain system, a robot, a mobile driving system and the like, however, in an industrial application field environment, the attenuation of high-frequency signals is large, and in the field use process, after the cable is bent and twisted for many times, the phenomena of wire breakage and core breakage are easy to occur, the shielding effect is unstable, the electrical characteristics are influenced, and the cable is not durable in use.
SUMMERY OF THE UTILITY MODEL
This application is not enough to prior art, and the technical problem that solve provides a 3 core shielded cable of broken string are prevented to anti bending type, under thin footpath ization preparation prerequisite, has better pliability and anti bending property, reduces the broken string phenomenon and takes place, and anti noise interference ability is strong, and shielding effect is better, durable use.
The present application solves the above-mentioned problems by the following technical solutions.
The bending-resistant anti-breakage 3-core shielded cable comprises two insulating wire cores, an insulating twisted-pair wire core and a plurality of first resin-filled core materials which are twisted together to form a cable core, the cable core is coated with a silane grafted crosslinked high-density polyethylene outer sheath, the insulated twisted-pair wire core comprises two twisted-pair wire cores and a plurality of second resin-filled core materials which are twisted together to form a twisted-pair wire core body, the iron powder resin composite winding layer, the shielding mesh conductor layer and the fluororesin wrapping tape winding layer are sequentially coated outside the twisted pair core body, the twisted pair wire core comprises a first inner conductor and a first silane grafted cross-linked low-density polyethylene insulating layer, and an insulating lubricating silicone grease is filled in a gap between the first inner conductor and the first silane grafted cross-linked low-density polyethylene insulating layer, the insulated wire core comprises a second inner conductor and a second silane grafted and crosslinked low-density polyethylene insulated layer, an insulated lubricating silicone grease is filled in a gap between the second inner conductor and the second silane grafted and crosslinked low-density polyethylene insulated layer, and the outer diameter of the silane grafted and crosslinked high-density polyethylene outer sheath is 8 mm-12 mm.
Preferably, the ratio of the outer diameter of the insulated wire core to the outer diameter of the insulated twisted wire core is 0.8:1 to 1: 1.5.
Preferably, the first inner conductor and the second inner conductor are formed by concentrically twisting a plurality of tin-plated copper monofilaments with the diameter of 0.02mm to 0.05 mm.
Preferably, the shielding mesh conductor layer is formed by mixing and spirally winding two tinned copper wires with different wire diameters and a wire diameter ratio of 0.9-1.
Preferably, the shielding mesh conductor layer has a weaving density of 92% to 95%.
Preferably, the first resin-filled core material and the second resin-filled core material are PP, PET, or PE resin core materials.
Preferably, the thickness of the outer sheath of the silane grafted and crosslinked high-density polyethylene is 0.5mm to 1.8 mm.
Preferably, the iron powder resin composite winding layer is of an iron powder resin composite belt one-way spiral lapping and covering wrapping structure.
Preferably, the winding layer of the fluororesin wrapping tape is of a wrapping structure covered with the fluororesin wrapping tape, and the fluororesin wrapping tape is an FEP, PFA or ETFE resin tape.
The beneficial effect of this application:
1. the resin filling core materials are added into the cable core and the twisted pair wire core bodies, so that the lateral pressure during bending can be better borne, the bending resistance of the cable is greatly improved, the cable is ensured to keep a better circular section in the bending and twisting processes, the breakage phenomenon of the inner conductor and the shielding mesh-shaped conductor layer is greatly reduced, and the cable is durable in use.
2. Through adding insulating lubricating silicone grease between twisted wire core and insulated wire core, obtain abundant antifriction effect between the tinned copper monofilament of inner conductor, effectively prevent that the inner conductor from taking place at the broken string phenomenon of repeated bending, torsion in-process.
3. The iron powder resin composite winding layer is coated outside the twisted pair core body, so that shielding signal interference can be enhanced, for example, iron powder filler and PET resin composite materials are adopted, a PET resin base layer can help to reduce stress concentration of a shielding net-shaped conductor layer, torque force is reduced, torsion resistance is improved, the shielding net-shaped conductor layer can effectively inhibit internal signals or noise from leaking to the outside and inhibiting interference from external signals, in addition, the iron powder resin composite winding layer further absorbs noise interference from the outside and converts the noise interference into heat, external noise interference inhibition capacity is enhanced, and noise shielding characteristics are improved.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.
Description of reference numerals:
1-an insulated wire core, 2-an insulated twisted-pair wire core, 3-a first resin filled core material, 4-a silane grafted cross-linked high-density polyethylene outer sheath, 5-a twisted-pair wire core, 6-a second resin filled core material, 7-an iron powder resin composite winding layer, 8-a shielding mesh conductor layer, 9-a fluororesin winding tape winding layer, 10-a first inner conductor, 11-a first silane grafted cross-linked low-density polyethylene insulating layer, 12-a second inner conductor, 13-an insulating lubricating silicone grease, and 14-a second silane grafted cross-linked low-density polyethylene insulating layer.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, the bending-resistant type disconnection-preventing 3-core shielded cable according to the embodiment of the present application includes two insulated cores 1, one insulated twisted-pair core 2, and a plurality of first resin-filled cores 3, which are twisted together to form a cable core. Preferably, the ratio of the outer diameter of the insulated wire core 1 to the outer diameter of the insulated twisted wire core 2 is 0.8:1 to 1: 1.5. The first resin-filled core material 3 is a PP, PET or PE resin core material. The cable core is characterized in that a silane grafted and crosslinked high-density polyethylene outer sheath 4 is coated outside the cable core, the outer diameter of the silane grafted and crosslinked high-density polyethylene outer sheath 4 is 8mm to 12mm, and preferably, the thickness of the silane grafted and crosslinked high-density polyethylene outer sheath 4 is 0.5mm to 1.8 mm.
The insulated wire core 1 comprises a second inner conductor 12 and a second silane grafted cross-linked low-density polyethylene insulating layer 14, an insulating lubricating silicone grease 13 is filled in a gap between the second inner conductor and the second silane grafted cross-linked low-density polyethylene insulating layer, and specifically, the second inner conductor 12 is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameters of 0.02mm to 0.05 mm.
The insulated twisted-pair wire core 2 comprises a twisted-pair wire core body formed by jointly twisting two twisted-pair wire cores 5 and a plurality of second resin filling core materials 6, wherein the second resin filling core materials 6 are PP, PET or PE resin core materials. The twisted pair core body is coated with an iron powder resin composite winding layer 7, a shielding mesh conductor layer 8 and a fluororesin winding tape winding layer 9 in sequence, and specifically, the iron powder resin composite winding layer 7 is an iron powder resin composite tape one-way spiral lapping and covering winding structure. The fluororesin wrapping tape winding layer 9 is a fluororesin wrapping tape lapping and wrapping structure, and the fluororesin wrapping tape is an FEP, PFA or ETFE resin tape. In one embodiment, the shielding mesh conductor layer 8 is formed by hybrid unidirectional spiral winding of two tinned copper wires with different wire diameters and a wire diameter ratio of 0.9 to 1, and preferably, the weaving density of the shielding mesh conductor layer 8 is 92% to 95%. The twisted pair wire core 5 comprises a first inner conductor 10 and a first silane grafted cross-linked low-density polyethylene insulating layer 11, an insulating lubricating silicone grease 13 is filled in a gap between the first inner conductor and the first silane grafted cross-linked low-density polyethylene insulating layer, and specifically, the first inner conductor 10 is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameters of 0.02mm to 0.05 mm.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (9)
1. 3 core shielded cable of broken string is prevented to anti crooked type, characterized by: the cable comprises two insulated wire cores (1), an insulated twisted-pair wire core (2) and a plurality of first resin-filled core materials (3) which are twisted together to form a cable core, wherein a silane-grafted cross-linked high-density polyethylene outer sheath (4) is wrapped outside the cable core, the insulated twisted-pair wire core (2) comprises a twisted-pair wire core body formed by twisting two twisted-pair wire cores (5) and a plurality of second resin-filled core materials (6) together, an iron powder resin composite winding layer (7), a shielding mesh conductor layer (8) and a fluororesin winding layer (9) are sequentially wrapped outside the twisted-pair wire core body, the twisted-pair wire core (5) comprises a first inner conductor (10), a first silane-grafted cross-linked low-density polyethylene insulating layer (11) and a gap between the first inner conductor and the second silane-grafted cross-linked low-density polyethylene insulating layer (14), and a gap between the second inner conductor and the second silane-linked low-density polyethylene insulating layer (12) and the insulating layer (9) and the insulating layer (13) are filled with insulating lubricating silicon And the outer diameter of the silane grafted and crosslinked high-density polyethylene outer sheath (4) is 8mm to 12 mm.
2. The bending-resistant breakage-proof 3-core shielded cable according to claim 1, wherein: the ratio of the outer diameter of the insulated wire core (1) to the outer diameter of the insulated twisted wire core (2) is 0.8:1 to 1: 1.5.
3. The bending-resistant breakage-proof 3-core shielded cable according to claim 1, wherein: the first inner conductor (10) and the second inner conductor (12) are formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.02mm to 0.05 mm.
4. The bending-resistant breakage-proof 3-core shielded cable according to claim 1, wherein: the shielding mesh conductor layer (8) is formed by mixing and spirally winding two tinned copper wires with different wire diameters and the wire diameter ratio of 0.9-1.
5. The bending-resistant breakage-proof 3-core shielded cable according to claim 4, wherein: the shielding mesh conductor layer (8) has a weaving density of 92% to 95%.
6. The bending-resistant breakage-proof 3-core shielded cable according to claim 1, wherein: the first resin-filled core material (3) and the second resin-filled core material (6) are both PP, PET or PE resin core materials.
7. The bending-resistant breakage-proof 3-core shielded cable according to claim 1, wherein: the thickness of the silane grafted cross-linked high-density polyethylene outer sheath (4) is 0.5mm to 1.8 mm.
8. The bending-resistant breakage-proof 3-core shielded cable according to claim 1, wherein: the iron powder resin composite winding layer (7) is of an iron powder resin composite belt one-way spiral lapping and covering wrapping structure.
9. The bending-resistant breakage-proof 3-core shielded cable according to claim 1, wherein: the fluororesin wrapping tape winding layer (9) is of a fluororesin wrapping tape lapping and wrapping structure, and the fluororesin wrapping tape is an FEP, PFA or ETFE resin tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120281407.1U CN214226575U (en) | 2021-02-01 | 2021-02-01 | Bending-resistant anti-broken 3-core shielded cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120281407.1U CN214226575U (en) | 2021-02-01 | 2021-02-01 | Bending-resistant anti-broken 3-core shielded cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214226575U true CN214226575U (en) | 2021-09-17 |
Family
ID=77691917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120281407.1U Expired - Fee Related CN214226575U (en) | 2021-02-01 | 2021-02-01 | Bending-resistant anti-broken 3-core shielded cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214226575U (en) |
-
2021
- 2021-02-01 CN CN202120281407.1U patent/CN214226575U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214226575U (en) | Bending-resistant anti-broken 3-core shielded cable | |
| CN214226578U (en) | Multi-core communication cable with differential signal wire core | |
| CN214226574U (en) | Anti-core-breaking shielding enhanced 2-core insulated cable | |
| CN217086191U (en) | Anti-core-breaking and anti-signal-crosstalk multi-core communication cable | |
| CN211455336U (en) | Soft low-temperature-resistant multi-core cable | |
| CN212010420U (en) | Bending-resistant anti-broken high-frequency multi-core cable | |
| CN112837852A (en) | Bending-resistant and extrusion-resistant multi-core communication cable | |
| CN211264994U (en) | Soft wear-resistant multi-core cable | |
| CN211906988U (en) | Torsion-resistant protective sleeve fracture type four-core insulated cable | |
| CN214152481U (en) | Breakage-proof type small-diameter multi-core shielded cable | |
| CN217086243U (en) | Shielding enhanced rat and ant prevention underground communication cable | |
| CN214476641U (en) | Bending-resistant multi-core communication cable | |
| CN220691763U (en) | Attenuation-inhibiting reinforced sealed shielding coaxial cable | |
| CN214624548U (en) | Torsion-resistant 2-core shielded cable | |
| CN220065261U (en) | Bending-resistant sealed shielding type symmetrical communication cable | |
| CN212161318U (en) | Electrical connection anti-interference multi-core cable of photovoltaic power generation system | |
| CN218414004U (en) | Low-attenuation 3-core communication cable with differential signal wire cores | |
| CN216250086U (en) | Small-diameter low-attenuation multi-core communication cable | |
| CN212010391U (en) | Stretch-proofing type high frequency multicore cable | |
| CN211265056U (en) | Durable small-diameter communication cable | |
| CN211045064U (en) | Thin-diameter bending-resistant towline cable | |
| CN214956056U (en) | Small-diameter anti-interference multi-core insulated cable | |
| CN217008778U (en) | Flexible differential signal flat cable | |
| CN212010390U (en) | Flexible anti-broken double-layer shielding coaxial cable | |
| CN213366205U (en) | Anti-electromagnetic pulse interference silicon rubber insulated wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210917 |