Radiation type leaky cable for communication

Abstract

The invention belongs to the field of signal transmission, and particularly relates to a radiation type leaky cable for communication, which comprises an inner conduction assembly, an outer conduction assembly and a protection mechanism, the inner conduction assembly is cylindrical, the inner conduction assembly is arranged in the outer conduction assembly, the outer conduction assembly is in a circular tube shape, and the protection mechanism is arranged in the outer conduction assembly. The outer conduction assembly and the inner conduction assembly are concentrically arranged, the protection mechanism is arranged on the outer side of the outer conduction assembly, the protection mechanism is in a circular tube shape, the protection mechanism and the outer conduction assembly are concentrically arranged, the inner conduction assembly comprises an inner conduction strip and a conductive tube, and the outer wall of the inner conduction strip is fixedly connected with the inner wall of the conductive tube. According to the invention, the inner conduction assembly is matched with the outer conduction assembly, so that the low-frequency signal and the millimeter wave signal can be transmitted efficiently, and the effects of multi-band compatibility and prevention of poor transmission effect when the cable transmission signal is not consistent with the preset range are achieved.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of signal transmission, and particularly relates to a radiation type leaky cable for communication. BACKGROUND

[0002] The radiation type leaky cable is a special coaxial cable which forms electromagnetic field coupling through periodical slotting of an outer conductor, and has the dual functions of signal transmission line and transmitting / receiving antenna.

[0003] At present, due to the difference in signal frequency to be transmitted by the cable, different frequency signals are often transmitted through multiple cables.

[0004] At present, when transmitting signals which are inconsistent with the preset range through the cable, loss often occurs, resulting in unstable transmission effect, therefore, a radiation type leaky cable for communication is needed to solve the above problems. SUMMARY

[0005] The application aims at the defects of the prior art, adopts the cooperation of the inner transmission assembly and the outer transmission assembly, and designs a radiation type leaky cable for communication by the transmission mode of high frequency path and low frequency path respectively, so that the problem of poor transmission effect when the cable transmission signal is inconsistent with the preset range is solved.

[0006] In order to achieve the above purpose, the following technical scheme is adopted:

[0007] A radiation type leaky cable for communication, comprising an inner transmission assembly, an outer transmission assembly and a protection mechanism, the inner transmission assembly is in the shape of a cylinder, and the inner transmission assembly is arranged inside the outer transmission assembly, the outer transmission assembly is in the shape of a circular tube, the outer transmission assembly and the inner transmission assembly are arranged concentrically, the protection mechanism is arranged outside the outer transmission assembly, the protection mechanism is in the shape of a circular tube, and the protection mechanism and the outer transmission assembly are arranged concentrically.

[0008] Preferably, the inner transmission assembly comprises an inner transmission strip and a conductive tube, and the outer wall of the inner transmission strip is fixedly connected with the inner wall of the conductive tube.

[0009] Preferably, the outer transmission assembly comprises a silver foil tube, the inner wall of the silver foil tube is provided with honeycomb micropores, and the inner wall of the silver foil tube is fixedly connected with the outer wall of the conductive tube.

[0010] Preferably, the protection mechanism comprises an outer tube, a protruding ring and an elastic assembly, the inner circumferential surface of the outer tube is fixedly connected with the outer circumferential surface of the silver foil tube, the outer circumferential surface of the outer tube is fixedly connected with the inner circumferential surface of the protruding ring, the number of the protruding rings is multiple, the multiple protruding rings are linearly arranged along the axial direction of the outer tube, the elastic assembly is arranged between every two adjacent protruding rings, and the elastic assembly is fixedly connected with the protruding ring.

[0011] Preferably, the elastic assembly comprises an air bag, and the air bag is in the shape of an ellipsoid.

[0012] Preferably, the outer tube is arranged concentrically with the silver foil tube, and the convex ring is arranged concentrically with the outer tube.

[0013] Preferably, the inner conducting strip is in the shape of a cylinder, and the conductive tube is in the shape of a circular tube, and the inner conducting strip is arranged concentrically with the conductive tube.

[0014] Preferably, the fixing assembly is arranged on the outside of the protection mechanism.

[0015] Preferably, the fixing assembly comprises a mounting plate, mounting blocks, arc-shaped strips, control grooves, a sliding rod, a control rod, clamping blocks, a sliding groove, a moving rod, a limiting rod, and a limiting groove; the number of the mounting blocks is two, and the mounting blocks are rotationally connected with each other; the rear surface of the rear mounting block is fixedly connected with the front surface of the mounting plate; the inner wall of the mounting block is provided with an arc-shaped groove; the arc-shaped strips are arranged in the arc-shaped groove; the number of the arc-shaped strips is two, and the arc-shaped strips are both semicircular rings; the control grooves are arranged in the inner wall of the arc-shaped strips; the rear side of the control groove extends to the outside of the arc-shaped strip; the outer wall of the sliding rod is slidingly connected with the inner wall of the mounting block; the control rod is fixedly connected with the left side of the sliding rod; the control rod is in the control groove; the clamping block is fixedly connected with one end of the sliding rod close to the middle of the two mounting blocks; the sliding groove is arranged on the left surface of the front mounting block; the moving rod is arranged in the sliding groove; the right end of the moving rod is fixedly connected with the left side of the arc-shaped strip; the inner wall of the moving rod is slidingly connected with the outer wall of the limiting rod; the limiting rod penetrates through the inner wall of the front arc-shaped strip; and the limiting groove is arranged in the inner wall of the front mounting block.

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] 1. The inner conducting assembly and the outer conducting assembly are matched to ensure that the low-frequency signal and the millimeter wave signal can be efficiently transmitted, so that multi-band compatibility is achieved, and the transmission effect is not poor when the cable transmission signal is inconsistent with the preset range.

[0018] 2. The protection mechanism is arranged to ensure that the device can automatically recover to a horizontal state when the external force in the bending direction is no longer applied, so that the device is not easily affected by bending during use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure of the application is shown in the structure diagram;

[0020] Figure 2Split schematic diagram of the present application;

[0021] Figure 3 Structure schematic diagram of the outer transmission assembly in the present application;

[0022] Figure 4 Partial schematic diagram of the present application;

[0023] Figure 5 Partial structure schematic diagram of the present application;

[0024] Figure 6 Structure schematic diagram of the fixed assembly in the present application;

[0025] Figure 7 Sectional schematic diagram of the fixed assembly in the present application;

[0026] Figure 8 Sectional schematic diagram of the mounting plate, mounting block and its internal structure in the present application;

[0027] Figure 9 Sectional view of the moving rod in the present application.

[0028] Wherein, 1, inner transmission assembly; 2, outer transmission assembly; 3, protection mechanism; 11, inner transmission strip; 12, conductive tube; 21, silver foil tube; 22, honeycomb micropore; 31, outer tube; 32, protruding ring; 33, elastic assembly; 331, air bag; 13, fixed assembly; 131, mounting plate; 132, mounting block; 133, arc-shaped strip; 134, control groove; 135, sliding rod; 136, control rod; 137, clamping block; 138, sliding groove; 139, moving rod; 1310, limiting rod; 1311, limiting groove; 1312, arc-shaped groove. DETAILED DESCRIPTION

[0029] Reference Figures 1-9 A communication radiation leakage cable, comprising an inner transmission assembly 1, the inner transmission assembly 1 is made of copper-clad aluminum material, and the inner transmission assembly 1 is used for transmitting low-frequency signals of Sub-6GHz, an outer transmission assembly 2 and a protection mechanism 3, the outer transmission assembly 2 is made of silver foil material, and the outer transmission assembly 2 is used for propagating millimeter wave signal coupling and radiation, the shape of the inner transmission assembly 1 is cylindrical, and the inner transmission assembly 1 is arranged inside the outer transmission assembly 2, the outer transmission assembly 2 is a circular tube, and the outer transmission assembly 2 is arranged concentrically with the inner transmission assembly 1, the protection mechanism 3 is arranged outside the outer transmission assembly 2, the protection mechanism 3 is used for protecting the equipment and preventing the service life of the equipment from being affected by bending and the like during use, the protection mechanism 3 is a circular tube, and the protection mechanism 3 is arranged concentrically with the outer transmission assembly 2.

[0030] In the embodiment, when low-frequency signals need to be propagated, the signals are propagated by the inner conducting assembly 1, in which the light weight of aluminum is used to reduce the weight of the cable, and the copper layer is used to ensure the conductivity;

[0031] When high-frequency signals need to be propagated, the silver foil layer of the outer conducting assembly 2 is coupled to radiation to achieve the effect of propagating millimeter wave signals.

[0032] In summary, since low-frequency signals and high-frequency signals can be conducted by the inner conducting assembly 1 and the outer conducting assembly 2 respectively, the effect of multi-band compatibility can be achieved.

[0033] As a preferred mode, the inner conducting assembly 1 includes an inner conducting strip 11 and a conductive pipe 12. The inner conducting strip 11 is made of aluminum, which can reduce the weight of the cable by virtue of the light weight of aluminum. The outer wall of the inner conducting strip 11 is fixedly connected to the inner wall of the conductive pipe 12. The conductive pipe 12 is made of copper, which can ensure the conductivity.

[0034] As a preferred mode, the outer conducting assembly 2 includes a silver foil pipe 21. The silver foil pipe 21 is in the shape of a circular tube. The inner wall of the silver foil pipe 21 is provided with honeycomb micro-holes 22. The diameter of the honeycomb micro-holes 22 is 0.3 mm. The honeycomb micro-holes 22 can realize efficient electromagnetic coupling of silver materials to reduce skin effect loss. The inner wall of the silver foil pipe 21 is fixedly connected to the outer wall of the conductive pipe 12.

[0035] As a preferred mode, the protection mechanism 3 includes an outer pipe 31, which is in the shape of a tube and is made of insulating material. The protection mechanism 3 further includes a convex ring 32 and an elastic assembly 33. The inner circumferential surface of the outer pipe 31 is fixedly connected to the outer circumferential surface of the silver foil pipe 21. The outer circumferential surface of the outer pipe 31 is fixedly connected to the inner circumferential surface of the convex ring 32. The number of the convex rings 32 is multiple, and the multiple convex rings 32 are linearly arranged along the axial direction of the outer pipe 31. The elastic assembly 33 is arranged between every two adjacent convex rings 32. The elastic assembly 33 is used to push the convex ring 32, so that the convex ring 32 has the property of restoring the original position. The elastic assembly 33 has shape memory, which can automatically restore the original shape. The elastic assembly 33 is fixedly connected to the convex ring 32.

[0036] As a preferred mode, the elastic assembly 33 includes an air bag 331, which is in the shape of an ellipsoid. The shape of the air bag 331 ensures that the left and right sides are uniformly stressed. As a preferred mode, the outer pipe 31 and the silver foil pipe 21 are concentrically arranged. The convex ring 32 and the outer pipe 31 are concentrically arranged. The concentric arrangement of the outer pipe 31, the silver foil pipe 21 and the convex ring 32 ensures that the distance between the outer circumferential surface of the convex ring 32 and the inner conducting strip 11 is consistent.

[0037] As a preferred mode, the inner conducting strip 11 is in a cylindrical shape, and the conducting tube 12 is in a circular tube shape, and the inner conducting strip 11 is concentrically arranged with the conducting tube 12, and through the arrangement of the inner conducting strip 11 and the conducting tube 12, the distance between each position on the outer circumferential surface of the conducting tube 12 and the inner conducting strip 11 is ensured to be consistent.

[0038] As a preferred mode, a fixing assembly 13 is included, which is used to fix the communication radiation leakage cable, so that the cable is not easy to change position due to external force such as wind blowing and the like during normal use, and the fixing assembly 13 is arranged outside the protection mechanism 3.

[0039] As a preferred way, the fixing assembly 13 comprises a mounting plate 131, a mounting block 132, an arc-shaped strip 133, a control groove 134, a sliding rod 135, a control rod 136, a clamping block 137, a sliding groove 138, a moving rod 139, a limiting rod 1310, a limiting groove 1311, the number of the mounting block 132 is two, the mounting block 132 is a cuboid, and when the front surface of the rear mounting block 132 is in contact with the rear surface of the front mounting block 132, the combined figure formed by the two has a cylindrical through hole in the middle, the two mounting blocks 132 are rotationally connected with each other, the rear surface of the rear mounting block 132 is fixedly connected with the front surface of the mounting plate 131, the mounting plate 131 is fixed on the wall by bolts, the inner wall of the mounting block 132 is provided with an arc-shaped groove 1312, each mounting block 132 is provided with an arc-shaped groove 1312, and when the rear surface of the front mounting block 132 is in contact with the front surface of the rear mounting block 132, the two arc-shaped grooves 1312 are combined to form a complete circular ring, the arc-shaped strip 133 is arranged in the arc-shaped groove 1312, the arc-shaped strip 133 is provided with a magnet, the mounting block 132 is also provided with a magnet, and the arc-shaped strip 133 can be kept in the mounting block 132 without displacement by the magnetic attraction when the two mounting blocks 132 are separated from each other, the number of the arc-shaped strip 133 is two, the two arc-shaped strips 133 are semicircular rings, the control groove 134 is arranged in the inner wall of the arc-shaped strip 133, the control groove 134 is arc-shaped, the distance between different positions of the control groove 134 and the center of the arc-shaped strip 133 is inconsistent, the rear side of the control groove 134 extends to the outside of the arc-shaped strip 133, the outer wall of the sliding rod 135 is slidably connected with the inner wall of the mounting block 132, the sliding direction of the sliding rod 135 is the radial direction of the arc-shaped strip 133, the control rod 136 is fixedly connected to the left side of the sliding rod 135, the control rod 136 is in the control groove 134, the clamping block 137 is fixedly connected to one end of the sliding rod 135 close to the middle of the two mounting blocks 132, the inner arc surface of the clamping block 137 is provided with a silica gel coating, the coating can better fix the cable after deformation, the sliding groove 138 is arranged in the left surface of the front mounting block 132, the moving rod 139 is arranged in the sliding groove 138, the right end of the moving rod 139 is fixedly connected with the left side of the arc-shaped strip 133, the inner wall of the moving rod 139 is slidably connected with the outer wall of the limiting rod 1310, the limiting rod 1310 penetrates through the inner wall of the front arc-shaped strip 133, the limiting groove 1311 is arranged in the inner wall of the front mounting block 132, the limiting groove 1311 is composed of a plurality of circular holes with the same diameter as the limiting rod 1310, and the final shape of the limiting groove 1311 is an arc with a circular arc edge, and the edge arc of the limiting groove 1311 corresponds to the same arc as the limiting rod 1310;

[0040] When the cable needs to be installed, the limiting rod 1310 is pulled to the left first, and when the limiting rod 1310 is away from the limiting groove 1311, the limiting rod 1310 is pushed upward, so that the limiting rod 1310 drives the moving rod 139 to move upward synchronously, thereby driving the arc-shaped strips 133 to rotate counterclockwise with the left side as the reference, and when the moving rod 139 moves to the uppermost side of the sliding groove 138, the two arc-shaped strips 133 are just moved into the two mounting blocks 132, at this time, the two mounting blocks 132 are not limited to each other, so at this time the front mounting block 132 can be turned upward, at this time, the worker places the whole cable composed of the inner conducting assembly 1, the outer conducting assembly 2 and the protection mechanism 3 in the arc-shaped groove of the mounting block 132, and then turns the front mounting block 132, so that the rear surface of the front mounting block 132 is in contact with the front surface of the rear mounting block 132.

[0041] Subsequently, the worker pulls the limiting rod 1310 to the left again, and when the limiting rod 1310 is away from the limiting groove 1311, the limiting rod 1310 is pushed downward, so that the limiting rod 1310 drives the moving rod 139 to move downward synchronously, thereby driving the arc-shaped strips 133 to rotate clockwise with the left side as the reference, and in the process of rotating, the front arc-shaped strip 133 pushes the rear arc-shaped strip 133, so that the two arc-shaped strips 133 rotate synchronously, and in the process of rotating, the two arc-shaped strips 133 are both inside two different mounting blocks 132, so at this time the two mounting blocks 132 remain in a relatively fixed state limited by the arc-shaped strips 133.

[0042] At the same time, in the process of rotating the arc-shaped strips 133, the control groove 134 moves, and the inner wall of the control groove 134 pushes the control rod 136 in the process, so that the control rod 136 drives the clamping block 137 to move towards the position close to the center of the arc-shaped strips 133, so that the clamping block 137 can clamp the outer wall of the cable with different diameters, and when clamping stably, the worker pushes the limiting rod 1310 to the right, so that the limiting rod 1310 enters the arc-shaped groove 1312, so that in the process of use, the arc-shaped strips 133 can be stably positioned.

Claims

1. A radiating leaky cable for communication, characterized in that: The invention comprises an inner conducting component (1), an outer conducting component (2) and a protective mechanism (3); the inner conducting component (1) is cylindrical in shape and is arranged inside the outer conducting component (2); the outer conducting component (2) is in the shape of a circular tube; the outer conducting component (2) and the inner conducting component (1) are arranged concentrically; the protective mechanism (3) is arranged outside the outer conducting component (2); the protective mechanism (3) is in the shape of a circular tube; the protective mechanism (3) and the outer conducting component (2) are arranged concentrically.

2. A radial leaky cable for communication according to claim 1, characterized in that: The inner conductive component (1) comprises an inner conductive strip (11) and a conductive tube (12), and the outer wall of the inner conductive strip (11) is fixedly connected to the inner wall of the conductive tube (12).

3. A radial leaky cable for communication according to claim 1, characterized in that: The outer conductive component (2) comprises a silver foil tube (21), the inner wall of the silver foil tube (21) is provided with honeycomb micropores (22), and the inner wall of the silver foil tube (21) is fixedly connected to the outer wall of the conductive tube (12).

4. A radial leaky cable for communication according to claim 3, characterized in that: The protective mechanism (3) comprises an outer tube (31), a raised ring (32) and an elastic component (33); the inner circumferential surface of the outer tube (31) is fixedly connected to the outer circumferential surface of the silver foil tube (21); the outer circumferential surface of the outer tube (31) is fixedly connected to the inner circumferential surface of the raised ring (32); the number of the raised rings (32) is set to be multiple, and the multiple raised rings (32) are arranged in a linear array along the axial direction of the outer tube (31); the elastic component (33) is set between two adjacent raised rings (32), and the elastic component (33) is fixedly connected to the raised ring (32).

5. A radial leaky cable for communication according to claim 4, characterized in that: The elastic component (33) includes an airbag (331), and the airbag (331) is in the shape of an ellipsoid.

6. A radial leaky cable for communication according to claim 4, characterized in that: The outer tube (31) is concentrically arranged with the silver foil tube (21), and the raised ring (32) is concentrically arranged with the outer tube (31).

7. A radial leaky cable for communication according to claim 2, characterized in that: The inner conductive strip (11) is cylindrical in shape, the conductive tube (12) is tubular in shape, and the inner conductive strip (11) and the conductive tube (12) are concentrically arranged.

8. A radial leaky cable for communication according to claim 1, characterized in that: It comprises a fixing assembly (13), wherein the fixing assembly (13) is arranged outside the protection mechanism (3).

9. A radial leaky cable for communication according to claim 8, characterized in that: The fixing assembly (13) includes a mounting plate (131), a mounting block (132), an arc strip (133), a control slot (134), a sliding rod (135), a control rod (136), a clamping block (137), a sliding slot (138), a moving rod (139), a limiting rod (1310), and a limiting slot (1311). The number of the mounting blocks (132) is set to two, and the two mounting blocks (132) are rotatably connected to each other. The rear side of the mounting block (132) is connected to the rear side of the fixing assembly (131). The rear surface of the mounting block (132) is fixedly connected to the front surface of the mounting plate (131), the inner wall of the mounting block (132) is provided with an arc groove (1312), the arc strip (133) is arranged inside the arc groove (1312), the number of the arc strips (133) is set to two, both of which are semicircular, the control groove (134) is provided on the inner wall of the arc strip (133), and the control groove (134) is provided in the inner wall of the arc strip (133). The rear side extends to the outside of the arc strip (133), the outer wall of the sliding rod (135) is slidably connected to the inner wall of the mounting block (132), the control rod (136) is fixedly connected to the left side of the sliding rod (135), the control rod (136) is inside the control groove (134), and one end of the sliding rod (135) close to the middle of the two mounting blocks (132) is fixedly connected to a clamping block (137), and the sliding groove (138) is opened on the front side of the mounting block. The left surface of the mounting block (132), the moving rod (139) is arranged inside the sliding groove (138), the right end of the moving rod (139) is fixedly connected to the left side of the arc strip (133), the inner wall of the moving rod (139) is slidably connected to the outer wall of the limiting rod (1310), the limiting rod (1310) passes through the inner wall of the front arc strip (133), and the limiting groove (1311) is opened on the inner wall of the front mounting block (132).

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