CN217061503U - Anti-interference low-loss microwave coaxial cable - Google Patents
Anti-interference low-loss microwave coaxial cable Download PDFInfo
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- CN217061503U CN217061503U CN202220054938.1U CN202220054938U CN217061503U CN 217061503 U CN217061503 U CN 217061503U CN 202220054938 U CN202220054938 U CN 202220054938U CN 217061503 U CN217061503 U CN 217061503U
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Abstract
The utility model discloses an anti-interference low-loss microwave coaxial cable, which comprises a silver-plated copper alloy conductor; the outer surface of the silver-plated copper alloy conductor is wrapped with a polytetrafluoroethylene wrapped insulating layer, the polytetrafluoroethylene wrapped insulating layer is wrapped on the outer surface of the silver-plated copper alloy conductor in a wrapping mode, the copper alloy conductor is formed by twisting a plurality of strands of copper alloy into an inner conductor, the outer side of the polytetrafluoroethylene wrapped insulating layer is sequentially wrapped with a first shielding layer and a second shielding layer, and a polytetrafluoroethylene film is arranged on the inner side of the polytetrafluoroethylene wrapped insulating layer; the utility model discloses a polytetrafluoroethylene forms compound insulation mode around package insulation multilayer coiling around diolame and micropore polytetrafluoroethylene and has reduced cable signal transmission's loss, and can bear certain voltage, adopts the mode that adds the anti-interference layer and combine at double-deck shielding layer, and weaves fastening layer silvered copper line density outward at 95%, makes its service environment in the crooked shake signal transmission more stable.
Description
Technical Field
The utility model relates to an anti-interference cable technical field specifically is an anti-interference low-loss microwave coaxial cable.
Background
With the arrival of the information age, not only the transmission quantity of information is increased explosively, but also the technical indexes of electronic components matched with the information are higher and higher, and the communication cable is required to have the characteristics of high and low temperature resistance, oil resistance, water resistance, acid and alkali resistance, aging resistance, wide frequency band, interference resistance, low loss, low standing wave, high shielding, high stability and the like, so that the communication cable can be used in some special environments.
The existing anti-interference cable has the following defects:
1. the existing anti-interference cable generally adopts simple plastic materials to carry out insulation protection on a conductor, so that the loss of the cable is large when the cable transmits signals, in addition, the shielding is mainly realized by adopting an aluminum foil and a metal mesh grid in the anti-interference aspect, a shielding layer only uses one layer, the shielding effect is poor, and the signal transmission is easily influenced when the cable is bent and jittered, so that the signal transmission is unstable.
2. The flexibility of the whole cable is insufficient due to the inner conductor and the outer sheath of the existing anti-interference cable, and the cable is inconvenient to bend when in use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti-interference low-loss microwave coaxial cable to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-interference low-loss microwave coaxial cable comprises a silver-plated copper alloy conductor; the outer surface of the silver-plated copper alloy conductor is wrapped with a polytetrafluoroethylene wrapping insulating layer, the polytetrafluoroethylene wrapping insulating layer is wrapped on the outer surface of the silver-plated copper alloy conductor in a wrapping mode, the copper alloy conductor is formed by stranding a plurality of strands of copper alloy into an inner conductor, the outer surface of each strand of copper alloy in the copper alloy conductor adopts a silver plating process, the outer side of the polytetrafluoroethylene wrapping insulating layer is sequentially wrapped with a first shielding layer and a second shielding layer, and the outer side of the second shielding layer is wrapped with a silicon rubber sleeve;
the polytetrafluoroethylene lapping insulating layer is made of microporous polytetrafluoroethylene lapping insulation, and a polytetrafluoroethylene film is arranged on the inner side of the polytetrafluoroethylene lapping insulating layer;
the first shielding layer comprises a first silver-plated copper wire weaving layer and a silver-plated flat copper strip, the first silver-plated copper wire weaving layer is sleeved on the outer surface of the silver-plated flat copper strip, the second shielding layer comprises a second silver-plated copper wire weaving layer and an aluminum foil, and the second silver-plated copper wire weaving layer is sleeved on the outer surface of the aluminum foil.
Preferably, the silver-plated copper alloy conductor comprises a copper alloy strap and a copper alloy conductor, and the copper alloy strap is wrapped on the outer surface of the copper alloy conductor at equal intervals.
Preferably, polytetrafluoroethylene is equipped with first insulating foaming layer around the space between insulating layer and the first shielding layer, and is equipped with the second insulating foaming layer in the space between first shielding layer and the second shielding layer.
Preferably, an anti-interference layer is wrapped between the second shielding layer and the silicone rubber sleeve, and the anti-interference layer is wrapped by an aluminum-plastic composite belt with a graphene wrapping layer inside.
Preferably, the inner side of the silicone rubber sleeve is provided with a flame-retardant layer, the outer surface of the silicone rubber sleeve is provided with two sets of thickening anti-bracing pieces, and four sets of rubber reinforcing cores are arranged inside the thickening anti-bracing pieces.
Preferably, the surface of thickening anti-brace is equipped with the printing platform, and the printing bench parallel printing has printing sign area and printing scale mark.
Preferably, the weaving density of the first silver-plated copper wire woven layer and the second silver-plated copper wire woven layer is greater than 95%.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a polytetrafluoroethylene forms compound insulation mode around package insulation multilayer coiling around diolame and micropore polytetrafluoroethylene and has reduced cable signal transmission's loss, and can bear certain voltage, adopts the mode that adds the anti interference layer and combine at double-deck shielding layer, and weaves fastening layer silvered copper line density outward at 95%, makes its service environment in the crooked shake signal transmission more stable.
2. The utility model discloses use graphite alkene material, played effectual separation effect to external electromagnetic wave, the compliance is fully considered in the design process to the cable, adopts stranded silvering copper line transposition to form the inner conductor, chooses the effectual compliance that has improved the cable of silicon rubber sheath for use, makes things convenient for the use of cable in narrow and small environment.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a structural view of the outer surface of the present invention.
In the figure: 1. plating a silver-plated copper alloy conductor; 101. a copper alloy strap; 102. a copper alloy conductor; 2. wrapping an insulating layer with polytetrafluoroethylene; 201. a polytetrafluoroethylene film; 3. a first insulating foam layer; 4. a first shielding layer; 401. a first silver-plated copper wire braid; 402. silver plating a flat copper strip; 5. a second insulating foam layer; 6. a second shielding layer; 601. a second silver-plated copper wire braid layer; 602. aluminum foil; 7. an anti-interference layer; 701. a graphene wrapping layer; 702. wrapping by an aluminum-plastic composite tape; 8. a silicone rubber sleeve; 801. a flame retardant layer; 9. thickening the anti-pulling strip; 901. a rubber reinforcing core; 10. a printing table; 1001. printing an identification tape; 1002. and (4) printing scale marks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: an anti-interference low-loss microwave coaxial cable comprises a silver-plated copper alloy conductor 1; the outer surface of the silver-plated copper alloy conductor 1 is wrapped with a polytetrafluoroethylene wrapped insulating layer 2, the polytetrafluoroethylene wrapped insulating layer 2 is wrapped on the outer surface of the silver-plated copper alloy conductor 1 in a wrapping mode, the copper alloy conductor 102 is formed by twisting multiple strands of copper alloy into an inner conductor, the outer surface of each strand of copper alloy in the copper alloy conductor 102 adopts a silver plating process, the outer side of the polytetrafluoroethylene wrapped insulating layer 2 is sequentially wrapped with a first shielding layer 4 and a second shielding layer 6, and the outer side of the second shielding layer 6 is wrapped with a silicon rubber sleeve 8;
the polytetrafluoroethylene lapped insulation layer 2 is microporous polytetrafluoroethylene lapped insulation, and a polytetrafluoroethylene film 201 is arranged on the inner side of the polytetrafluoroethylene lapped insulation layer 2;
the first shielding layer 4 comprises a first silver-plated copper wire braided layer 401 and a silver-plated flat copper strip 402, the first silver-plated copper wire braided layer 401 is sleeved on the outer surface of the silver-plated flat copper strip 402, the second shielding layer 6 comprises a second silver-plated copper wire braided layer 601 and an aluminum foil 602, and the second silver-plated copper wire braided layer 601 is sleeved on the outer surface of the aluminum foil 602;
specifically, the silver-plated copper alloy conductor 1 is twisted by adopting a plurality of strands of copper alloy conductors 102, so that the softness of the silver-plated copper alloy conductor 1 is ensured, the silicon rubber sleeve 8 which is arranged in a matched manner can ensure the overall softness of the cable, so that the cable can be bent and used in a narrow environment, the polytetrafluoroethylene wrapped insulating layer 2 is wrapped on the outer surface of the silver-plated copper alloy conductor 1 in a wrapping manner, the polytetrafluoroethylene film 201 is matched to form a composite insulating manner, the loss of cable signal transmission is reduced, and a certain voltage can be borne, in addition, the first shielding layer 4 which is formed by the first silver-plated copper wire braided layer 401 and the silver-plated flat copper wire 402 and the second shielding layer 6 which is formed by the second silver-plated copper wire braided layer 601 and the aluminum foil 602 can play a double-layer shielding effect, so that the stability of the signal transmission in the cable is ensured, and the density of the silver-plated copper wires of the outer weaving fastening layer is 95%, the signal transmission is more stable in the use environment of bending jitter.
Further, the silver-plated copper alloy conductor 1 comprises a copper alloy belt 101 and a copper alloy conductor 102, and the copper alloy belt 101 is wrapped on the outer surface of the copper alloy conductor 102 at equal intervals;
specifically, the copper alloy strap 101 can ensure the firmness of the stranded copper alloy conductor 102, and avoid the loosening condition.
Further, a first insulating foaming layer 3 is arranged in a gap between the polytetrafluoroethylene lapping insulating layer 2 and the first shielding layer 4, and a second insulating foaming layer 5 is arranged in a gap between the first shielding layer 4 and the second shielding layer 6;
specifically, first insulating foaming layer 3 can cooperate polytetrafluoroethylene to play further insulating effect around package insulating layer 2, and second insulating foaming layer 5 can be to carrying out insulation protection between first shielding layer 4 and the second shielding layer 6, avoids first shielding layer 4 and 6 mutual interferences of second shielding layer.
Further, an anti-interference layer 7 is wrapped between the second shielding layer 6 and the silicone rubber sleeve 8, and the anti-interference layer 7 is wrapped by an aluminum-plastic composite tape 702 with a graphene wrapping layer 701 arranged inside;
specifically, the graphene material in the graphene wrapping layer 701 in the anti-interference layer 7 plays an effective blocking role on external electromagnetic waves, the aluminum-plastic composite tape wrapping 702 can guarantee the effect of the graphene material, and the anti-interference effect of the cable is further improved.
Further, a flame retardant layer 801 is arranged on the inner side of the silicone rubber sleeve 8, two sets of thickened anti-bracing strips 9 are arranged on the outer surface of the silicone rubber sleeve 8, and four sets of rubber reinforcing cores 901 are arranged inside the thickened anti-bracing strips 9;
specifically, fire-retardant layer 801 can play flame-retardant protection's effect, and rubber reinforcement core 901 in the anti brace 9 of thickening can improve the tensile strength of whole silicon rubber sleeve 8, avoids silicon rubber sleeve 8 to appear dragging the cracked condition because of being too soft.
Further, a printing table 10 is arranged on the surface of the thickened anti-pulling strip 9, and a printing identification tape 1001 and a printing scale mark 1002 are printed on the printing table 10 in parallel;
specifically, the printing table 10 can facilitate printing of the printing identification tape 1001 and the printing scale marks 1002, the printing identification tape 1001 and the printing scale marks 1002 can facilitate distinguishing of cables by workers, and the length can be judged.
Further, the weaving density of the first silver-plated copper wire weaving layer 401 and the second silver-plated copper wire weaving layer 601 is greater than 95%;
specifically, the first silver-plated copper wire braid layer 401 and the second silver-plated copper wire braid layer 601 with the braiding density being greater than 95% can ensure that the cable can stably transmit signals when the cable bends and shakes.
The working principle is as follows: when the cable is used, the silver-plated copper alloy conductor 1 is formed by twisting a plurality of strands of copper alloy conductors 102, so that the flexibility of the silver-plated copper alloy conductor 1 is ensured, the silicon rubber sleeve 8 which is arranged in a matched manner can ensure the overall flexibility of the cable, so that the cable can be bent and used in a narrow environment, the polytetrafluoroethylene wrapped insulating layer 2 is wrapped on the outer surface of the silver-plated copper alloy conductor 1 in a wrapped manner and is matched with a polytetrafluoroethylene film 201 to form a composite insulating manner, the loss of cable signal transmission is reduced, a certain voltage can be borne, the first shielding layer 4 and the second shielding layer 6 can play a double-layer shielding effect on the cable, the stability of signal transmission in the cable is further ensured, the graphene material in the graphene wrapped layer 701 in the anti-interference layer 7 is matched, an effective blocking effect on external electromagnetic waves is achieved, and the omnibearing anti-interference effect of the cable is ensured, the first silver-plated copper wire braided layer 401 and the second silver-plated copper wire braided layer 601 with the braiding density being larger than 95% enable signal transmission of the cable to be stable in a bending and shaking use environment.
The details of the present invention are well known to those skilled in the art.
Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (7)
1. An anti-interference low-loss microwave coaxial cable comprises a silver-plated copper alloy conductor (1) and a copper alloy conductor (102); the method is characterized in that: the outer surface of the silver-plated copper alloy conductor (1) is wrapped with a polytetrafluoroethylene wrapped insulating layer (2), the polytetrafluoroethylene wrapped insulating layer (2) is wrapped on the outer surface of the silver-plated copper alloy conductor (1) in a wrapping mode, the copper alloy conductor (102) is formed by stranding a plurality of strands of copper alloy into an inner conductor, the outer surface of each strand of copper alloy in the copper alloy conductor (102) adopts a silver plating process, the outer side of the polytetrafluoroethylene wrapped insulating layer (2) is sequentially wrapped with a first shielding layer (4) and a second shielding layer (6), and the outer side of the second shielding layer (6) is wrapped with a silicon rubber sleeve (8);
the polytetrafluoroethylene lapped insulation layer (2) is insulated by microporous polytetrafluoroethylene lapped insulation, and a polytetrafluoroethylene film (201) is arranged on the inner side of the polytetrafluoroethylene lapped insulation layer (2);
the first shielding layer (4) comprises a first silver-plated copper wire woven layer (401) and a silver-plated flat copper strip (402), the first silver-plated copper wire woven layer (401) is sleeved on the outer surface of the silver-plated flat copper strip (402), the second shielding layer (6) comprises a second silver-plated copper wire woven layer (601) and an aluminum foil (602), and the second silver-plated copper wire woven layer (601) is sleeved on the outer surface of the aluminum foil (602).
2. The tamper-resistant low-loss microwave coaxial cable of claim 1, wherein: the silver-plated copper alloy conductor (1) comprises a copper alloy binding band (101) and a copper alloy conductor (102), and the copper alloy binding band (101) is wrapped on the outer surface of the copper alloy conductor (102) at equal intervals.
3. The tamper-resistant low-loss microwave coaxial cable of claim 1, wherein: polytetrafluoroethylene is equipped with first insulating foaming layer (3) around being equipped with in the space between package insulating layer (2) and first shielding layer (4), and is equipped with second insulating foaming layer (5) in the space between first shielding layer (4) and second shielding layer (6).
4. The tamper-resistant low-loss microwave coaxial cable of claim 1, wherein: the anti-interference layer (7) is wrapped between the second shielding layer (6) and the silicone rubber sleeve (8), and the anti-interference layer (7) is wrapped by an aluminum-plastic composite belt (702) with a graphene wrapping layer (701) inside.
5. The tamper-resistant low-loss microwave coaxial cable of claim 1, wherein: the inner side of the silicone rubber sleeve (8) is provided with a flame-retardant layer (801), the outer surface of the silicone rubber sleeve (8) is provided with two sets of thickening anti-bracing strips (9), and four sets of rubber reinforcing cores (901) are arranged in the thickening anti-bracing strips (9).
6. The tamper-resistant low-loss microwave coaxial cable of claim 5, wherein: the surface of thickening anti brace (9) is equipped with printing platform (10), and the parallel printing has printing sign area (1001) and printing scale mark (1002) on printing platform (10).
7. The tamper-resistant low-loss microwave coaxial cable of claim 1, wherein: the weaving density of the first silver-plated copper wire weaving layer (401) and the second silver-plated copper wire weaving layer (601) is larger than 95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220054938.1U CN217061503U (en) | 2022-01-11 | 2022-01-11 | Anti-interference low-loss microwave coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220054938.1U CN217061503U (en) | 2022-01-11 | 2022-01-11 | Anti-interference low-loss microwave coaxial cable |
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| Publication Number | Publication Date |
|---|---|
| CN217061503U true CN217061503U (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220054938.1U Active CN217061503U (en) | 2022-01-11 | 2022-01-11 | Anti-interference low-loss microwave coaxial cable |
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|---|---|
| CN (1) | CN217061503U (en) |
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- 2022-01-11 CN CN202220054938.1U patent/CN217061503U/en active Active
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Denomination of utility model: An anti-interference low loss microwave coaxial cable Effective date of registration: 20221115 Granted publication date: 20220726 Pledgee: Qingyang sub branch of Jiangsu Jiangyin Rural Commercial Bank Co.,Ltd. Pledgor: Jiangyin Haosheng electrical cable manufacturing Co.,Ltd. Registration number: Y2022320010684 |