CN216488449U - Low-noise high-temperature coaxial radio frequency cable - Google Patents
Low-noise high-temperature coaxial radio frequency cable Download PDFInfo
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- CN216488449U CN216488449U CN202122654466.1U CN202122654466U CN216488449U CN 216488449 U CN216488449 U CN 216488449U CN 202122654466 U CN202122654466 U CN 202122654466U CN 216488449 U CN216488449 U CN 216488449U
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Abstract
The utility model discloses a low-noise high-temperature coaxial radio-frequency cable, which relates to the field of cables and comprises an inner conductor, wherein an insulating layer is arranged on the outer side of the inner conductor, polyethylene foam is arranged in the insulating layer, a first shielding layer is connected to the outer side of the insulating layer, an aluminum foil is arranged in the first shielding layer, a second shielding layer is connected to the outer side of the first shielding layer, and a copper wire is arranged in the second shielding layer. According to the utility model, through the arrangement of the inner conductor, the insulating layer, the polyethylene foam, the first shielding layer, the aluminum foil, the second shielding layer, the copper wire, the outer sleeve, the first heat-insulating layer, the anti-freezing ointment, the second heat-insulating layer and the glass wool felt, the anti-freezing ointment and the glass wool felt are respectively filled in the first heat-insulating layer and the second heat-insulating layer, the anti-freezing ointment has certain anti-freezing capacity, the glass wool felt has certain heat-insulating capacity, the cable can have anti-freezing heat-insulating capacity in the cable, and the use feeling of the cable is better.
Description
Technical Field
The utility model relates to the field of cables, in particular to a low-noise high-temperature coaxial radio-frequency cable.
Background
The radio frequency coaxial cable is a cable which is provided with two concentric conductors, and the conductor and the first shielding layer share the same axis.
The existing coaxial radio frequency cable is single in structure and does not have the capability of freezing resistance and heat preservation, the anti-fracture capability of the existing coaxial radio frequency cable is poor, the cable is easy to fracture when being pulled, and the existing coaxial radio frequency cable is often rubbed and moved on the ground when being used, so that the existing coaxial radio frequency cable is easy to damage.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model aims to provide a low-noise high-temperature coaxial radio-frequency cable, so as to solve the technical problems that the existing coaxial radio-frequency cable is single in structure and does not have the freeze-proof and heat-preservation capabilities, the existing coaxial radio-frequency cable is poor in fracture resistance and is easy to fracture when the cable is pulled, and the existing coaxial radio-frequency cable is frequently rubbed and moved on the ground during use and is easy to damage.
In order to achieve the purpose, the utility model provides the following technical scheme: a low-noise high-temperature coaxial radio-frequency cable comprises an inner conductor, wherein an insulating layer is arranged on the outer side of the inner conductor, polyethylene foam is arranged inside the insulating layer, a first shielding layer is connected to the outer side of the insulating layer, an aluminum foil is arranged inside the first shielding layer, a second shielding layer is connected to the outer side of the first shielding layer, a copper wire is arranged inside the second shielding layer, an outer sleeve is arranged on the outer side of the second shielding layer, a first heat-insulating layer is arranged on the outer side of the outer sleeve, anti-freezing factice is arranged inside the first heat-insulating layer, a second heat-insulating layer is connected to the outer side of the first heat-insulating layer, a glass wool felt is arranged inside the second heat-insulating layer, a reinforcing layer is connected to the outer side of the second heat-insulating layer, a longitudinal reinforcing wire is arranged inside the reinforcing layer, a transverse reinforcing wire is connected to one side of the longitudinal reinforcing wire, and an anti-scratch layer is arranged outside the reinforcing layer, and the outer side of the scratch-proof layer is connected with a scratch-proof strip.
Preferably, the both sides of aluminium foil all are provided with the insulating cement, and the aluminium foil passes through insulating cement and polyethylene foam fixed connection, the aluminium foil passes through insulating cement and copper wire fixed connection.
Preferably, the anti-freezing ointment is fixedly connected with the outer sleeve, the glass wool felt is fixedly connected with the anti-freezing ointment, and the glass wool felt is fixedly connected with the reinforcing layer.
Preferably, the number of the longitudinal reinforcing lines and the number of the transverse reinforcing lines are multiple groups, and the multiple groups of the longitudinal reinforcing lines and the transverse reinforcing lines are distributed in the reinforcing layer at equal intervals.
Preferably, the reinforcing layer is fixedly connected with the anti-scratch layer, and the cross sections of the longitudinal reinforcing lines and the transverse reinforcing lines are circular structures.
Preferably, the scratch-proof layer is fixedly connected with the scratch-proof strip, a groove is formed in the outer side of the scratch-proof layer, and the groove is matched with the scratch-proof strip.
Preferably, the number of the scratch-proof strips is multiple groups, and the multiple groups of scratch-proof strips are distributed in the scratch-proof layer at equal intervals.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the anti-freezing cable, the inner conductor, the insulating layer, the polyethylene foam, the first shielding layer, the aluminum foil, the second shielding layer, the copper wire, the outer sleeve, the first heat-insulating layer, the anti-freezing ointment, the second heat-insulating layer and the glass wool felt are arranged, so that the anti-freezing ointment and the glass wool felt are respectively filled in the first heat-insulating layer and the second heat-insulating layer, the anti-freezing ointment has certain anti-freezing capacity, the glass wool felt has certain heat-insulating capacity, the cable can be enabled to have anti-freezing heat-insulating capacity in the cable, and the using sense of the cable is better;
2. according to the utility model, through the arrangement of the reinforcing layer, the longitudinal reinforcing wires and the transverse reinforcing wires are all in multiple groups, the tensile capacity of the cable can be greatly increased by transversely and longitudinally distributing the longitudinal reinforcing wires and the transverse reinforcing wires in the reinforcing layer, and the longitudinal reinforcing wires and the transverse reinforcing wires are formed by multiple groups of metal wires, so that the cable can be prevented from being broken when being pulled, and the service life of the cable is prolonged;
3. according to the utility model, the anti-scratch layer and the anti-scratch strip are arranged, so that the anti-scratch strip is replaced to be in contact with the ground, the anti-scratch strip is in friction with the ground when the cable is pulled on the ground, the anti-scratch strip is made of wear-resistant rubber, scratches left when the anti-scratch strip is in contact with the ground to generate friction are few, the generated damage is few, the cable is prevented from being damaged after being moved on the ground for a long time, and the service life of the cable is prolonged.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the scratch resistant layer structure of the present invention;
FIG. 3 is a schematic view of a reinforced layer connection structure according to the present invention;
fig. 4 is a schematic structural diagram of the present invention.
In the figure: 1. an inner conductor; 2. an insulating layer; 3. a polyethylene foam; 4. a first shielding layer; 5. aluminum foil; 6. a second shielding layer; 7. a copper wire; 8. an outer sleeve; 9. a first insulating layer; 10. an antifreeze ointment; 11. a second insulating layer; 12. a glass wool felt; 13. a reinforcement layer; 14. a longitudinal reinforcing wire; 15. a transverse reinforcement wire; 16. a scratch-resistant layer; 17. and (4) scratch-proof strips.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
Referring to fig. 1-4, a low-noise high-temperature coaxial radio frequency cable comprises an inner conductor 1, an insulating layer 2 is disposed on the outer side of the inner conductor 1, polyethylene foam 3 is disposed inside the insulating layer 2, a first shielding layer 4 is connected to the outer side of the insulating layer 2, an aluminum foil 5 is disposed inside the first shielding layer 4, insulating glue is disposed on both sides of the aluminum foil 5, the aluminum foil 5 is fixedly connected with the polyethylene foam 3 through the insulating glue, the aluminum foil 5 is fixedly connected with a copper wire 7 through the insulating glue, the aluminum foil 5 serves as a first shielding layer, the copper wire 7 serves as a second shielding layer, so that the shielding effect of the cable is better, the copper wire 7 is a braided copper wire, the second shielding layer 6 is connected to the outer side of the first shielding layer 4, the copper wire 7 is disposed inside the second shielding layer 6, an outer sleeve 8 is disposed on the outer side of the second shielding layer 6, and a first heat-preserving layer 9 is disposed on the outer sleeve 8, the anti-freezing ointment 10 is arranged in the first heat-insulating layer 9, the anti-freezing ointment 10 is fixedly connected with the outer sleeve 8, the glass wool felt 12 is fixedly connected with the anti-freezing ointment 10, the glass wool felt 12 is fixedly connected with the reinforcing layer 13, the anti-freezing ointment 10 is a special anti-freezing coating for cables and has the functions of heat preservation and heat insulation, the second heat-insulating layer 11 is connected to the outer side of the first heat-insulating layer 9, the glass wool felt 12 is arranged in the second heat-insulating layer 11, the first heat-insulating layer 9, the anti-freezing ointment 10, the second heat-insulating layer 11 and the glass wool felt 12 are respectively filled in the first heat-insulating layer 9 and the second heat-insulating layer 11 through the arranged inner conductor 1, the insulating layer 2, the polyethylene foam 3, the first shielding layer 4, the aluminum foil 5, the second shielding layer 6, the copper wire 7, the outer sleeve 8, the first heat-insulating layer 9, the anti-freezing ointment 10, the second heat-insulating layer 11 and the glass wool felt 12, the anti-freezing ointment 10 has certain heat-insulating capability, the cable can be provided with anti-freezing heat-insulating capacity in the cable, so that the cable is better in use feeling, and the influence of the external temperature on the inside of the cable can be reduced by matching the two heat-insulating layers, so that a better heat-insulating and anti-freezing effect is achieved.
Referring to fig. 1-4, in a low-noise high-temperature coaxial rf cable, a reinforcing layer 13 is connected to an outer side of a second insulating layer 11, a plurality of sets of longitudinal reinforcing wires 14 are disposed inside the reinforcing layer 13, the longitudinal reinforcing wires 14 and the transverse reinforcing wires 15 are all provided in multiple sets, the plurality of sets of longitudinal reinforcing wires 14 and the transverse reinforcing wires 15 are equidistantly distributed inside the reinforcing layer 13, the longitudinal reinforcing wires 14 and the transverse reinforcing wires 15 can be reinforced from two directions, so as to protect the cable completely, the transverse reinforcing wires 15 are connected to one side of the longitudinal reinforcing wires 14, the reinforcing layer 13 is fixedly connected to an anti-scratch layer 16, the cross sections of the longitudinal reinforcing wires 14 and the transverse reinforcing wires 15 are all circular structures, the longitudinal reinforcing wires 14 and the transverse reinforcing wires 15 are provided, so that the plurality of sets of longitudinal reinforcing wires 14 and the transverse reinforcing wires 15 are all provided, and the tensile strength of the cable can be greatly increased by distributing the longitudinal wires and the longitudinal wires inside the reinforcing layer 13, the longitudinal reinforcing wires 14 and the transverse reinforcing wires 15 are formed by a plurality of groups of metal wires, so that the cable can be prevented from being broken when the cable is pulled, the service life of the cable is prolonged, and the longitudinal reinforcing wires 14 and the transverse reinforcing wires 15 are reinforcing groups formed by a plurality of groups of metal wires.
Referring to fig. 1-4, in a low-noise high-temperature coaxial radio frequency cable, an anti-scratch layer 16 is disposed on the outer side of a reinforcing layer 13, an anti-scratch strip 17 is connected to the outer side of the anti-scratch layer 16, the anti-scratch layer 16 is fixedly connected to the anti-scratch strip 17, a groove is disposed on the outer side of the anti-scratch layer 16, the groove and the anti-scratch strip 17 are matched, and the cross section of the anti-scratch strip 17 is an incomplete circular structure and is relatively convex, so that the groove and the anti-scratch strip 17 are in direct contact with the ground, the anti-scratch strips 17 are provided in multiple groups, the multiple groups of anti-scratch strips 17 are equidistantly distributed inside the anti-scratch layer 16, the anti-scratch strips 17 are disposed on the anti-scratch layer 16 to be in place of the anti-scratch strip 17 to be in contact with the ground when the cable is pulled on the ground, the anti-scratch strips 17 are made of wear-wear rubber, scratches left when the anti-scratch strip 17 is in contact with the ground are few, damage to the ground is avoided, and the cable is long moving time, the service life of the cable is prolonged, and the scratch-proof layer 16 is made of wear-resistant rubber and has certain flexibility.
The working principle is as follows: when the cable is used, the first heat-insulating layer 9, the antifreezing ointment 10, the second heat-insulating layer 11 and the glass wool felt 12 in the cable can play a role in freezing resistance and heat insulation, the antifreezing ointment 10 has a heat-insulating effect, the heat-insulating effect can be better by matching with the glass wool felt 12, the influence of external cold air on the inner conductor 1 and the copper wire 7 in the cable is smaller when the weather is cold, the longitudinal reinforcing wire 14 and the transverse reinforcing wire 15 on the outer side are uniformly distributed in the reinforcing layer 13, so that the reinforcing layer 13 is resistant to pulling and not easy to break, the inner conductor is protected from the outer side, the possibility of breakage caused by overlarge pulling force is reduced, the scratch-proof strip 17 is in contact with the ground when being used at ordinary times, the scratch-proof strip 17 is more wear-resistant than half of PE rubber, the service time is longer, the cable sleeve is prevented from being directly in contact with the ground to rub and then be broken, and scratches are reduced, the service life of the cable is prolonged.
Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.
Claims (7)
1. A low-noise high-temperature coaxial radio-frequency cable comprises an inner conductor (1), and is characterized in that: the outer side of the inner conductor (1) is provided with an insulating layer (2), the inner part of the insulating layer (2) is provided with polyethylene foam (3), the outer side of the insulating layer (2) is connected with a first shielding layer (4), the inner part of the first shielding layer (4) is provided with an aluminum foil (5), the outer side of the first shielding layer (4) is connected with a second shielding layer (6), the inner part of the second shielding layer (6) is provided with a copper wire (7), the outer side of the second shielding layer (6) is provided with an outer sleeve (8), the outer side of the outer sleeve (8) is provided with a first heat-insulating layer (9), the inner part of the first heat-insulating layer (9) is provided with an anti-freezing ointment (10), the outer side of the first heat-insulating layer (9) is connected with a second heat-insulating layer (11), the inner part of the second heat-insulating layer (11) is provided with a glass wool felt (12), the outer side of the second heat-insulating layer (11) is connected with a reinforcing layer (13), and a longitudinal reinforcing line (14) is arranged in the reinforcing layer (13), a transverse reinforcing line (15) is connected to one side of the longitudinal reinforcing line (14), an anti-scratch layer (16) is arranged on the outer side of the reinforcing layer (13), and an anti-scratch strip (17) is connected to the outer side of the anti-scratch layer (16).
2. A low noise, high temperature coaxial radio frequency cable according to claim 1, wherein: the both sides of aluminium foil (5) all are provided with the insulating cement, and aluminium foil (5) pass through insulating cement and polyethylene foam (3) fixed connection, aluminium foil (5) pass through insulating cement and copper wire (7) fixed connection.
3. A low noise, high temperature coaxial radio frequency cable according to claim 1, wherein: the anti-freezing ointment (10) is fixedly connected with the outer sleeve (8), the glass wool felt (12) is fixedly connected with the anti-freezing ointment (10), and the glass wool felt (12) is fixedly connected with the reinforcing layer (13).
4. A low noise, high temperature coaxial radio frequency cable according to claim 1, wherein: the number of the longitudinal reinforcing lines (14) and the number of the transverse reinforcing lines (15) are multiple, and the multiple groups of the longitudinal reinforcing lines (14) and the transverse reinforcing lines (15) are distributed in the reinforcing layer (13) at equal intervals.
5. A low noise, high temperature coaxial radio frequency cable according to claim 1, wherein: the reinforcing layer (13) is fixedly connected with the anti-scratch layer (16), and the cross sections of the longitudinal reinforcing lines (14) and the transverse reinforcing lines (15) are circular structures.
6. A low noise, high temperature coaxial radio frequency cable according to claim 1, wherein: the scratch-proof layer (16) is fixedly connected with the scratch-proof strip (17), a groove is formed in the outer side of the scratch-proof layer (16), and the groove is matched with the scratch-proof strip (17).
7. A low noise, high temperature coaxial radio frequency cable according to claim 1, wherein: the number of the scratch-proof strips (17) is multiple groups, and the multiple groups of scratch-proof strips (17) are equidistantly distributed in the scratch-proof layer (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122654466.1U CN216488449U (en) | 2021-11-02 | 2021-11-02 | Low-noise high-temperature coaxial radio frequency cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122654466.1U CN216488449U (en) | 2021-11-02 | 2021-11-02 | Low-noise high-temperature coaxial radio frequency cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216488449U true CN216488449U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122654466.1U Active CN216488449U (en) | 2021-11-02 | 2021-11-02 | Low-noise high-temperature coaxial radio frequency cable |
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| Country | Link |
|---|---|
| CN (1) | CN216488449U (en) |
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2021
- 2021-11-02 CN CN202122654466.1U patent/CN216488449U/en active Active
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