CN213026433U - Anti-electromagnetic interference radio frequency cable - Google Patents
Anti-electromagnetic interference radio frequency cable Download PDFInfo
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- CN213026433U CN213026433U CN202022541883.0U CN202022541883U CN213026433U CN 213026433 U CN213026433 U CN 213026433U CN 202022541883 U CN202022541883 U CN 202022541883U CN 213026433 U CN213026433 U CN 213026433U
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- electromagnetic interference
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- 239000004744 fabric Substances 0.000 claims abstract description 15
- 239000011241 protective layer Substances 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 13
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- 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
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 4
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 4
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 238000009941 weaving Methods 0.000 claims description 2
- 239000005030 aluminium foil Substances 0.000 abstract description 8
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- Insulated Conductors (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model provides an anti-electromagnetic interference's radio frequency cable belongs to radio frequency cable technical field. The anti-electromagnetic interference radio frequency cable comprises an inner conductor, an insulating layer, an electromagnetic isolation layer, an anti-electromagnetic shielding layer and a protective layer. The insulating layer sets up the surface of inner conductor, the electromagnetism isolation layer includes aluminium foil layer and conducting rubber layer, the conducting rubber layer is fixed the surface of aluminium foil layer, the electromagnetic shielding layer of resisting includes fire-retardant sponge layer, conducting cloth layer and shielding layer, fire-retardant sponge layer sets up the surface on conducting rubber layer, the conducting cloth layer is fixed the surface on fire-retardant sponge layer, the shielding layer sets up the surface on conducting cloth layer, the inoxidizing coating is fixed the surface on shielding layer. The utility model discloses strengthen the anti-electromagnetic interference's of radio frequency cable in the use effect, improved the stability and the accuracy of signal in transmission process simultaneously.
Description
Technical Field
The utility model relates to a radio frequency cable field particularly, relates to an anti-electromagnetic interference's radio frequency cable.
Background
Radio frequency cables are cables that transmit electromagnetic energy in the radio frequency range, are indispensable components in various radio communication systems and electronic devices, and are widely used in the fields of wireless communication and broadcasting, television, radar, navigation, computers, instruments, and the like.
At present, the existing radio frequency cable has poor anti-electromagnetic interference effect in the using process, is easy to interfere the transmission of signals and influences the accuracy of signal transmission.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above insufficiency, the utility model provides an anti-electromagnetic interference's radio frequency cable aims at improving radio frequency cable, the relatively poor problem of anti-electromagnetic interference effect.
The utility model discloses a realize like this:
the utility model provides an anti-electromagnetic interference's radio frequency cable, including inner conductor, insulating layer, electromagnetic isolation layer, anti-electromagnetic shielding layer and inoxidizing coating.
The insulating layer sets up the surface on inner conductor, the electromagnetism isolation layer includes aluminium foil layer and conducting rubber layer, the aluminium foil layer sets up the surface at the insulating layer, the conducting rubber layer is fixed the surface on aluminium foil layer, the electromagnetic shielding layer includes fire-retardant sponge layer, conducting cloth layer and shielding layer, fire-retardant sponge layer sets up the surface on conducting rubber layer, the conducting cloth layer is fixed the surface on fire-retardant sponge layer, the shielding layer sets up the surface on conducting cloth layer, the inoxidizing coating is fixed the surface on shielding layer.
In an embodiment of the present invention, the inner portion of the insulating layer is inlaid with a flame retardant strip, and the flame retardant strip is followed the insulating layer is axially disposed.
In an embodiment of the present invention, the inner conductor, the insulating layer, the electromagnetic isolation layer, the electromagnetic shielding layer and the protective layer are disposed around the axis.
In an embodiment of the present invention, the shielding layer includes a first metal wire and a second metal wire, and the first metal wire and the second metal wire are fixed to each other.
In an embodiment of the present invention, the protective layer includes a protective cover and a reinforcing layer, the reinforcing layer is fixed to the outer surface of the shielding layer, and the protective cover is fixed to the outer surface of the reinforcing layer.
The utility model discloses an in one embodiment, the enhancement layer includes horizontal steel wire and vertical steel wire, horizontal steel wire with vertical steel wire mutually perpendicular is fixed, horizontal steel wire with vertical steel wire inlays the inside at the lag.
In an embodiment of the present invention, the outer surface of the protecting cover is fixed with a fluorescent indication line, and the fluorescent indication line is along the outer surface of the protecting cover is circumferentially disposed.
In an embodiment of the present invention, the insulating layer is made of polyethylene, and the thickness of the insulating layer is between 0.5 and 1 mm.
In an embodiment of the present invention, the protecting sleeve is made of fluorinated ethylene propylene, and the thickness of the protecting sleeve is between one and two millimeters.
In an embodiment of the present invention, the conductive rubber layer is an aluminum silver plated silicone filled rubber layer.
The utility model has the advantages that: the utility model discloses an anti-electromagnetic interference's that above-mentioned design obtained radio frequency cable, during the use, the setting on shielding layer and conducting cloth layer, can the layering absorb effectual reduction electromagnetic wave to the electromagnetic wave and transmit to radio frequency cable's inside, various metal particles through conducting rubber in situ portion can further absorb the isolation to the electromagnetic wave, then block once more the isolation to the electromagnetic wave through the aluminium foil layer once more, the electromagnetic wave that can disturb inside conductor work just very little like this, thereby radio frequency cable anti-electromagnetic interference's in the use effect has been strengthened, the stability and the accuracy of signal in transmission process have been improved simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a first view structure of an anti-electromagnetic interference rf cable according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of an anti-electromagnetic interference rf cable according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a shielding layer of an anti-electromagnetic interference rf cable according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the anti-electromagnetic interference rf cable reinforcing layer according to an embodiment of the present invention.
In the figure: 100-an inner conductor; 200-an insulating layer; 210-flame retardant strips; 300-an electromagnetic isolation layer; 310-aluminium foil layer; 320-a conductive rubber layer; 400-electromagnetic shielding layer resistance; 410-a flame retardant sponge layer; 420-a conductive cloth layer; 430-a shielding layer; 431-a first wire; 432-a second wire; 500-a protective layer; 510-a protective sleeve; 511-fluorescent indication line; 520-a reinforcing layer; 521-transverse steel wires; 522-longitudinal steel wires.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: an anti-electromagnetic interference radio frequency cable includes an inner conductor 100, an insulating layer 200, an electromagnetic isolation layer 300, an anti-electromagnetic shielding layer 400, and a shielding layer 500.
Referring to fig. 2, an insulating layer 200 is disposed on an outer surface of the inner conductor 100; the flame-retardant strip 210 is embedded in the insulating layer 200, the flame-retardant strip 210 is axially arranged along the insulating layer 200, and the fireproof effect of the radio frequency cable in the use process can be enhanced through the arrangement of the flame-retardant strip 210; the insulating layer 200 is made of polyethylene, the thickness of the insulating layer 200 is 0.5-1 mm, the insulating layer 200 can improve the low-temperature resistance of the radio frequency cable, and meanwhile, the radio frequency cable is good in chemical stability and has good erosion resistance.
Referring to fig. 2, the electromagnetic isolation layer 300 includes an aluminum foil layer 310 and a conductive rubber layer 320, the aluminum foil layer 310 is disposed on the outer surface of the insulation layer 200, and the conductive rubber layer 320 is fixed on the outer surface of the aluminum foil layer 310; the conductive rubber layer 320 is a silver-aluminum plated silicon filled rubber layer, and the electromagnetic absorption isolation effect can be improved through the arrangement of the silver-aluminum plated silicon filled rubber layer.
Referring to fig. 2 and 3, the electromagnetic shielding layer 400 includes a flame-retardant sponge layer 410, a conductive cloth layer 420 and a shielding layer 430, the flame-retardant sponge layer 410 is disposed on an outer surface of the conductive rubber layer 320, the conductive cloth layer 420 is fixed on an outer surface of the flame-retardant sponge layer 410, and the shielding layer 430 is disposed on an outer surface of the conductive cloth layer 420.
The shielding layer 430 includes a first wire 431 and a second wire 432, the first wire 431 and the second wire 432 are fixed to each other in a weaving manner, and the electromagnetic wave can be effectively absorbed by the shielding layer 430 formed by the first wire 431 and the second wire 432.
Referring to fig. 1, 2 and 4, the protective layer 500 is fixed on the outer surface of the shielding layer 430; the protective layer 500 comprises a protective sleeve 510 and a reinforcing layer 520, wherein the reinforcing layer 520 is fixed on the outer surface of the shielding layer 430, and the protective sleeve 510 is fixed on the outer surface of the reinforcing layer 520; the reinforcing layer 520 comprises transverse steel wires 521 and longitudinal steel wires 522, the transverse steel wires 521 and the longitudinal steel wires 522 are vertically fixed to each other, the transverse steel wires 521 and the longitudinal steel wires 522 are embedded in the protective sleeve 510, and the toughness of the radio frequency cable can be enhanced through the arrangement of the transverse steel wires 521 and the longitudinal steel wires 522.
A fluorescent marking line 511 is fixed on the outer surface of the protective sleeve 510, the fluorescent marking line 511 is circumferentially arranged along the outer surface of the protective sleeve 510, and the radio frequency cable can be conveniently identified through the arrangement of the fluorescent marking line 511; the protective sleeve 510 is made of fluorinated ethylene propylene, the thickness of the protective sleeve 510 is one to two millimeters, and the tensile strength and the wear resistance of the radio frequency cable are improved by making the protective sleeve 510 of fluorinated ethylene propylene.
The inner conductor 100, the insulating layer 200, the electromagnetic shield layer 300, the electromagnetic shield layer 400, and the shield layer 500 are disposed as axes.
Specifically, the structure principle of the anti-electromagnetic interference radio frequency cable is as follows: during the use, shielding layer 430 and conductive fabric layer 420's setting, can the layering absorb the inside transmission of effectual reduction electromagnetic wave to radio frequency cable to the electromagnetic wave, can further absorb the isolation to the electromagnetic wave through the inside various metal particle of conductive rubber layer 320, then block once more the isolation to the electromagnetic wave through aluminium foil layer 310 once more, the electromagnetic wave that can disturb inner conductor 100 work just very little like this to the anti-electromagnetic interference's of radio frequency cable in the use effect has been strengthened, the stability and the accuracy of signal in transmission process have been improved simultaneously.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An anti-electromagnetic interference radio frequency cable is characterized by comprising
An inner conductor (100);
an insulating layer (200), the insulating layer (200) being disposed on an outer surface of the inner conductor (100);
the electromagnetic isolation layer (300), the electromagnetic isolation layer (300) comprises an aluminum foil layer (310) and a conductive rubber layer (320), the aluminum foil layer (310) is arranged on the outer surface of the insulation layer (200), and the conductive rubber layer (320) is fixed on the outer surface of the aluminum foil layer (310);
the electromagnetic shielding layer (400) comprises an anti-flaming sponge layer (410), a conductive cloth layer (420) and a shielding layer (430), the anti-flaming sponge layer (410) is arranged on the outer surface of the conductive rubber layer (320), the conductive cloth layer (420) is fixed on the outer surface of the anti-flaming sponge layer (410), and the shielding layer (430) is arranged on the outer surface of the conductive cloth layer (420);
a protective layer (500), the protective layer (500) being fixed to an outer surface of the shielding layer (430).
2. The radio-frequency cable for resisting electromagnetic interference, according to claim 1, is characterized in that a flame-retardant strip (210) is embedded in the insulating layer (200), and the flame-retardant strip (210) is axially arranged along the insulating layer (200).
3. The radio-frequency cable of claim 1, wherein the inner conductor (100), the insulating layer (200), the electromagnetic isolation layer (300), the electromagnetic shielding layer (400) and the protective layer (500) are disposed around the axis.
4. An anti-electromagnetic interference radio frequency cable according to claim 1, characterized in that the shielding layer (430) comprises a first metal wire (431) and a second metal wire (432), and the first metal wire (431) and the second metal wire (432) are fixed to each other by weaving.
5. The rf cable as claimed in claim 1, wherein the protective layer (500) comprises a protective sheath (510) and a reinforcing layer (520), the reinforcing layer (520) is attached to an outer surface of the shielding layer (430), and the protective sheath (510) is attached to an outer surface of the reinforcing layer (520).
6. The radio-frequency cable for resisting electromagnetic interference according to claim 5, wherein the reinforcing layer (520) comprises transverse steel wires (521) and longitudinal steel wires (522), the transverse steel wires (521) and the longitudinal steel wires (522) are fixed perpendicular to each other, and the transverse steel wires (521) and the longitudinal steel wires (522) are embedded inside the protective sleeve (510).
7. The anti-electromagnetic interference radio-frequency cable according to claim 5, wherein a fluorescent indication line (511) is fixed to an outer surface of the protective sleeve (510), and the fluorescent indication line (511) is circumferentially arranged along the outer surface of the protective sleeve (510).
8. An anti-electromagnetic interference radio frequency cable according to claim 1, characterized in that the insulating layer (200) is made of polyethylene, and the thickness of the insulating layer (200) is between 0.5 and 1 mm.
9. The radio frequency cable of claim 5, wherein the protective sheath (510) is made of fluorinated ethylene propylene, and the thickness of the protective sheath (510) is between one and two millimeters.
10. The radio frequency cable of claim 1, wherein the conductive rubber layer (320) is a silver-aluminum plated silicone filled rubber layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022541883.0U CN213026433U (en) | 2020-11-05 | 2020-11-05 | Anti-electromagnetic interference radio frequency cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022541883.0U CN213026433U (en) | 2020-11-05 | 2020-11-05 | Anti-electromagnetic interference radio frequency cable |
Publications (1)
Publication Number | Publication Date |
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CN213026433U true CN213026433U (en) | 2021-04-20 |
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Family Applications (1)
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CN202022541883.0U Active CN213026433U (en) | 2020-11-05 | 2020-11-05 | Anti-electromagnetic interference radio frequency cable |
Country Status (1)
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CN (1) | CN213026433U (en) |
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2020
- 2020-11-05 CN CN202022541883.0U patent/CN213026433U/en active Active
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Denomination of utility model: A radio frequency cable with resistance to electromagnetic interference Granted publication date: 20210420 Pledgee: Agricultural Bank of China Limited Hangzhou Yuhang Branch Pledgor: Hangzhou Jiefu Electronic Technology Co.,Ltd. Registration number: Y2024980004385 |