Leaky transmission line signal aggregation apparatus and leaky transmission assembly

Abstract

The present application belongs to the technical field of communication devices. Provided are a leaky transmission line signal aggregation apparatus and a leaky transmission assembly. Said signal aggregation apparatus comprises two signal aggregation plates and a tubular covering member. Said signal aggregation apparatus is fixed on a leaky transmission line by means of the tubular covering member, and the signal aggregation plates concentrate originally widely dispersed radio frequency signals into an intended coverage range, so as to enable energy to be more concentrated and dispersed into an effective area, thus improving signal coverage effects, and improving signal receiving sensitivity and a signal coverage range. In addition, the leaky transmission line signal aggregation apparatus wraps the leaky transmission line, so as to add a layer of protection outside of the leaky transmission line, thereby achieving the effect of protecting the leaky transmission line.

Description

Leaky transmission line signal aggregation device and leaky transmission component Technical Field

[0001] The present application relates to the technical field of communication equipment, and in particular to a leakage transmission line signal aggregation device and a leakage transmission component. Background Art

[0002] A leaky coaxial cable is a feeder equipped with a continuous slot antenna array. Part of its energy is uniformly and stably radiated into space as radiation waves, while the remaining energy remains axially transmitted within the cable. Thus, leaky coaxial cable functions as both a transmission line and a radiating antenna. In recent years, with the rapid development of urban subways, high-speed railways, and highways, the use of leaky coaxial cables has become increasingly widespread, and demand for them is increasing.

[0003] Traditional leaky coaxial cables have low radiation capabilities. When the receiver is a certain distance away from the cable, the received signal level fails to meet the receiver's sensitivity requirements. Furthermore, the periodic arrangement of holes and slots in the outer conductor of traditional leaky cables allows for uniform electromagnetic radiation, but the electromagnetic signal is not concentrated enough to be focused in a single direction. The signal is dispersed, resulting in a low effective signal and significant power waste. This makes it difficult for the radiation to reach certain areas, resulting in low radiation intensity.

[0004] Leaky transmission lines (leaky coaxial cables, leaky waveguides, leaky waveguide cables, etc.) are relatively precise cables. During the installation process, the slot positions are easily twisted or even deformed, affecting the radiation of radio frequency signals, which in turn leads to deterioration of indicators such as coupling loss and attenuation constant, affecting the communication quality during use. Existing leaky transmission lines are directly installed in tunnel sections. During long-term train operation, due to factors such as flying gravel, the leaky transmission lines are prone to scratches and other damage. In addition, the existing design of providing a radiation enhancement plate in the outer sheath of the leaky coaxial cable requires slotting on the outer sheath. Not only is the radiation enhancement plate not firmly fixed and easy to fall off, but the outer sheath is also easily damaged during the installation of the leaky coaxial cable, and may even cause the outer sheath to crack, causing damage to the leaky coaxial cable.

[0005] Summary of the Invention

[0006] In view of this, the purpose of the present application is to provide a leaky transmission line signal aggregation device and a leaky transmission component.

[0007] In the first aspect, an embodiment of the present application provides a leakage transmission line signal aggregation device, comprising a first signal aggregation plate, a second signal aggregation plate and a tubular covering, wherein a channel for the leakage transmission line to pass through is formed in the tubular covering along its length direction, and the tubular covering can clamp the leakage transmission line through the channel and be fixed to the leakage transmission line; the first signal aggregation plate and the second signal aggregation plate are both fixed on the tubular covering at one end, and the corresponding other end extends toward the outside of the channel; the plate bodies of the first signal aggregation plate and the second signal aggregation plate are opposite, and the distance between the two gradually increases in the direction away from the channel; the distance between the fixed ends of the first signal aggregation plate and the second signal aggregation plate is greater than the length and width of the slot opened on the leakage transmission line, and the part of the tubular covering located between the fixed ends of the first signal aggregation plate and the second signal aggregation plate can allow the signal leaked from the slot to pass through.

[0008] In some embodiments, the tubular covering includes a first covering and a second covering, and the first covering and the second covering can be fixed into one body to form a channel for the leakage transmission line to pass through; the first signal aggregation plate and the second signal aggregation plate both include a plate body and a folded edge at one end of the plate body; two grooves along the length direction of the signal aggregation device are provided on the first covering or the second covering, and the two grooves are not in a straight line; one end of the folded edge of the first signal aggregation plate and the second signal aggregation plate cooperates with the groove to fix the first signal aggregation plate and the second signal aggregation plate.

[0009] In some embodiments, the first covering member and the second covering member are detachably fixed.

[0010] In some embodiments, the first signal aggregation plate and the second signal aggregation plate are both fixed on the first covering member, the material of the first covering member is non-signal shielding material, and the material of the second covering member is signal shielding material; or the first signal aggregation plate and the second signal aggregation plate are both fixed on the second covering member, the material of the second covering member is non-signal shielding material, and the material of the first covering member is signal shielding material.

[0011] In some embodiments, the first covering member and the second covering member are two symmetrical structures or two asymmetrical structures, and the channel is circular, rectangular, or fan-shaped.

[0012] In some embodiments, the first signal aggregation plate and the second signal aggregation plate are integrally formed with the tubular covering member through an injection molding process.

[0013] In some embodiments, the tubular covering is made of a non-signal shielding material, and the wall thickness of the channel is 1 mm-5 mm.

[0014] In some embodiments, the first signal aggregation plate and the second signal aggregation plate are made of signal shielding material, the thickness of the first signal aggregation plate and the second signal aggregation plate is 0.1mm-5mm, and the angle between the first signal aggregation plate and the second signal aggregation plate is 0°-170°

[0015] In some embodiments, the signal aggregation device includes a plurality of first signal aggregation plates, which are arranged in sequence at the same radial area positions along the length direction of the signal aggregation device; and also includes a plurality of second signal aggregation plates, which are arranged in sequence at the same radial area positions along the length direction of the signal aggregation device.

[0016] In the second aspect, an embodiment of the present application provides a leakage transmission component, comprising a leakage transmission line and the signal aggregation device in any of the above embodiments, wherein the leakage transmission line is arranged in a channel of the signal aggregation device, and the tubular covering of the signal aggregation device clamps the leakage transmission line to fix the signal aggregation device on the leakage transmission line.

[0017] In some embodiments, a raised back marking line is provided on the outer circumference of the leakage transmission line at a position opposite to the slot position, and a positioning groove is provided on the inner side wall of the tubular covering of the signal aggregation device on the side opposite to the midpoint of the connecting line between the fixed ends of the first signal aggregation plate and the second signal aggregation plate. The positioning groove cooperates with the back marking line so that the slot of the leakage transmission line is set between the first signal aggregation plate and the second signal aggregation plate.

[0018] In some embodiments, the conductor with the slots in the leaky transmission line is made of aluminum.

[0019] The beneficial effects that can be achieved by the present application are as follows: the present application provides a leakage transmission line signal aggregation device and a leakage transmission component, comprising two signal aggregation plates and a tubular covering. The signal aggregation device is fixed to the leakage transmission line by the tubular covering, and the radio frequency signal, which originally has a wide divergence range, is concentrated into the intended coverage range by the signal aggregation plate, so that the energy is more concentrated and diverged into the effective area, thereby improving the signal coverage effect, thereby enhancing the sensitivity of signal reception and the signal coverage range, and the leakage transmission line signal aggregation device is wrapped around the outside of the leakage transmission line, which can add a layer of protection to the outside of the leakage transmission line, thereby protecting the leakage transmission line.

[0020] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0022] FIG1 shows a structural schematic diagram 1 of a leaky transmission line signal aggregation device of the present application;

[0023] FIG2 shows a second structural diagram of a leaky transmission line signal aggregation device according to the present application;

[0024] FIG3 shows a third structural diagram of a leaky transmission line signal aggregation device according to the present application;

[0025] FIG4 shows a schematic structural diagram of a signal aggregation plate of a leaky transmission line signal aggregation device according to the present application;

[0026] FIG5 shows a schematic structural diagram of a tubular covering member of a leaky transmission line signal aggregation device according to the present application;

[0027] FIG6 shows a schematic diagram of the positioning groove structure of a leaky transmission line signal aggregation device of the present application;

[0028] FIG7 shows a schematic structural diagram of a signal aggregation device applicable to a square leaky transmission line according to the present application;

[0029] FIG8 shows a schematic structural diagram of a signal aggregation device applicable to a sector-shaped leaky transmission line according to the present application;

[0030] FIG9 shows a schematic structural diagram of a leaky transmission assembly consisting of a circular leaky transmission line and a signal aggregation device according to the present application;

[0031] FIG10 shows a schematic structural diagram of a leakage transmission assembly consisting of a square leakage transmission line and a signal aggregation device according to the present application;

[0032] FIG11 shows a schematic structural diagram of a leakage transmission assembly consisting of a fan-shaped leakage transmission line and a signal aggregation device according to the present application;

[0033] FIG12 shows a schematic diagram of the installation structure of a leakage transmission component of the present application.

[0034] Among them: 100-signal aggregation device, 1-first signal aggregation plate, 2-second signal aggregation plate, 3-tubular covering, 4-channel, 5-fixing hole, 6-positioning groove, 7-first covering, 8-second covering, 9-fixing end, 10-plate body, 11-folded edge, 12-fixing protrusion, 13-groove, 200-leakage transmission component, 300-circular leaky cable, 400-rectangular leaky cable, 500-fan-shaped leaky cable, 14-inner conductor, 15-insulator, 16-outer conductor, 17-outer sheath, 18-back marking line, 19-slot, 20-ribbon, 21-wall, 22-fixing fixture, 23-fixing bolt. DETAILED DESCRIPTION

[0035] The term "comprising" in the specification, claims, and drawings of this application is synonymous with "including," "containing," or "characterized by," and is inclusive or open-ended and does not exclude additional unrecited elements or method steps. "Comprising" is a technical term used in claim language to mean that the recited elements are present, but other elements may be added and still form a structure or method within the scope of the claim.

[0036] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description and are not to be understood as indicating or implying relative importance. The term "about" in this application is meant to include slight variations (up to + / - 10%) from the stated value.

[0037] Leaky transmission line is a general term for leaky coaxial cable, leaky waveguide, leaky waveguide cable and other transmission lines that rely on periodic slots on the conductor to radiate and receive electromagnetic wave signals. Leaky coaxial cable, also known as leaky cable, is a special coaxial cable with periodic slots on its outer conductor. It is a general term for coaxial cables that have dual functions of feeder and antenna, and have both the transmission function and the transceiver function of wireless radio frequency signals. Leaky cables are generally used in various tunnels, such as subway tunnels, high-speed rail tunnels, highway tunnels and other scenarios to achieve wireless signal coverage throughout the tunnel. The main competing solution for leaky cables is the antenna solution. The signal coverage of the antenna is uneven, and the near-far effect makes system design difficult. Leaky cables are arranged in tunnels, and the entire area along the line is covered by signals, and the signal coverage is relatively uniform.

[0038] Because the slots for leaky cables are only on one side of the cable, the cable's installation orientation must be confirmed during actual use, ensuring that the slotted side faces the area requiring signal coverage. This is achieved using the cable's main installation accessory, fixtures, which are typically installed one meter apart. Conventional leaky cables typically have a 120-degree radiation angle, resulting in significant signal dispersion. To ensure adequate signal coverage within the train, the cable's installation length must be shortened to maintain overall power, which requires increased equipment investment.

[0039] In this application, it has been found that the radiation capacity of traditional leaky coaxial cables is relatively low. When the receiver is a certain distance away from the leaky coaxial cable, the received level cannot meet the receiver sensitivity requirements, and the existing leaky cable transmission signal is relatively scattered, and it is unable to transmit more effective signals to the user area. When the existing leaky cable is used in a tunnel, the transmitted signal is relatively scattered, the received effective signal is relatively small, and a lot of power is wasted. In this application, it is also found that the slot position of the leaky cable is easily twisted or even deformed during the radiation installation process, which affects the radiation of the radio frequency signal, and further causes the coupling loss, attenuation constant and other indicators to deteriorate, affecting the communication quality during use. The leaky cable is a relatively precise cable. The existing leaky cable is directly installed in the tunnel section. During the long-term operation of the train, it is easy to be scratched and damaged by the flying gravel and maintenance work. In addition, the existing design of installing a radiation enhancement plate inside the outer sheath of the leaky cable requires cutting grooves on the outer sheath. Not only is the radiation enhancement plate not firmly fixed and easy to fall off (for example, due to wind pressure brought by trains or the influence of tunnel wind), but the outer sheath is also easily damaged during the installation of the leaky cable, and may even cause the outer sheath to crack, resulting in damage to the leaky cable.

[0040] In view of this, the present application provides a leakage transmission line signal aggregation device, comprising a first signal aggregation plate, a second signal aggregation plate and a tubular covering, wherein a channel for the leakage transmission line to pass through is formed in the tubular covering along its length direction, and the tubular covering can clamp the leakage transmission line through the channel and be fixed to the leakage transmission line; the first signal aggregation plate and the second signal aggregation plate are both fixed on the tubular covering at one end, and the corresponding other end extends to the outside of the channel; the plate bodies of the first signal aggregation plate and the second signal aggregation plate are opposite, and the distance between the two gradually increases in the direction away from the channel; the distance between the fixed ends of the first signal aggregation plate and the second signal aggregation plate is greater than the length and width of a single slot in the periodic slots opened on the leakage transmission line, and the part of the tubular covering located between the fixed ends of the first signal aggregation plate and the second signal aggregation plate can allow the signal leaked from the slot to pass through.

[0041] A leakage transmission component is also provided in an embodiment of the present application, including a leakage transmission line and the signal aggregation device in any of the above embodiments, the leakage transmission line is arranged in the channel of the signal aggregation device, and the tubular covering of the signal aggregation device clamps the leakage transmission line to fix the signal aggregation device on the leakage transmission line.

[0042] In some embodiments, the conductor with slots in the leaky transmission line may be made of aluminum. Aluminum has comparable mechanical and electrical properties to copper, but is much cheaper than copper, thus reducing costs.

[0043] A leaky transmission line signal aggregation device and a leaky transmission component provided in the present application can, on the one hand, effectively solve the problem that the existing leaky transmission line emits relatively scattered signals during application. The signal aggregation device gathers the signal to the intended coverage range, reduces the signal radiation of the leaky transmission line to the rear area, reduces signal waste, and transmits the signal more concentratedly to the working area, so as to enhance the sensitivity of signal reception and the signal coverage range; on the other hand, the tubular covering structure itself can also play a role in structural protection, protecting the leaky transmission line from long-term and stable operation.

[0044] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0045] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0046] Example 1

[0047] In this application, it has been found that the radiation capacity of traditional leaky coaxial cables is relatively low. When the receiver is a certain distance away from the leaky coaxial cable, the received level cannot meet the receiver sensitivity requirements, and the existing leaky cable transmission signal is relatively scattered, and it is unable to transmit more effective signals to the user area. When the existing leaky cable is used in a tunnel, the transmitted signal is relatively scattered, the received effective signal is relatively small, and a lot of power is wasted. In this application, it is also found that the slot position of the leaky cable is easily twisted or even deformed during the radiation installation process, which affects the radiation of the radio frequency signal, and further causes the coupling loss, attenuation constant and other indicators to deteriorate, affecting the communication quality during use. The leaky cable is a relatively precise cable. The existing leaky cable is directly installed in the tunnel section. During the long-term operation of the train, it is easy to be scratched and damaged by the flying gravel and maintenance work. In addition, the existing design of installing a radiation enhancement plate inside the outer sheath of the leaky cable requires cutting grooves on the outer sheath. Not only is the radiation enhancement plate not firmly fixed and easy to fall off (for example, due to wind pressure brought by trains or the influence of tunnel wind), but the outer sheath is also easily damaged during the installation of the leaky cable, and may even cause the outer sheath to crack, resulting in damage to the leaky cable.

[0048] In view of this, the present application provides a leaky cable signal aggregation device and a leaky cable assembly, which include at least two signal aggregation plates and a tubular covering. The signal aggregation device is fixed to the leaky cable through the tubular covering, and the radio frequency signal that originally has a wide divergence range is concentrated into a small angle range through the signal aggregation plate, so that the energy is more concentrated and diverged to the effective area, which can improve the signal coverage effect and increase the equipment spacing. The leaky cable signal aggregation device is wrapped around the outside of the leaky cable, which can add a layer of protection to the outside of the leaky cable to protect the leaky cable.

[0049] As shown in Figure 1, the present application provides a leaky cable signal aggregation device 100, comprising a first signal aggregation plate 1, a second signal aggregation plate 2, a tubular covering 3, a fixing hole 5 and a positioning groove 6. The tubular covering 3 forms a channel 4 along its length for the leaky cable to pass through, and the tubular covering 3 clamps the leaky cable through the channel 4 to fix the signal aggregation device 100 on the leaky cable. The first signal aggregation plate 1 and the second signal aggregation plate 2 are both fixed on the tubular covering 3 at one end, and the other end thereof extends toward the outside of the channel 4. The plate bodies 10 of the first signal aggregation plate 1 and the second signal aggregation plate 2 are opposite, and the distance between them gradually increases in the direction away from the channel 4. A certain distance needs to be spaced between the first signal aggregation plate 1 and the second signal aggregation plate 2 so that the periodic slots on the leaky cable can be set between the first signal aggregation plate 1 and the second signal aggregation plate 2, so that the radio frequency signal that originally has a wide divergence range can be concentrated to the intended range through the signal aggregation plate. In this embodiment, the distance between the fixed ends 9 of the first signal aggregation plate 1 and the second signal aggregation plate 2 is greater than the length and width of the periodic slots opened on the leaky cable. The signal leaked from the slots can pass through the tubular covering 3 located between the fixed ends 9 of the first signal aggregation plate 1 and the second signal aggregation plate 2, and the signal further passing through the tubular covering 3 is aggregated by the first signal aggregation plate 1 and the second signal aggregation plate 2 on both sides.

[0050] As shown in Figure 1, the tubular covering 3 includes a first covering 7 and a second covering 8 arranged as two semicircular portions, forming a circular channel 4. In this embodiment, the first covering 7 and the second covering 8 are symmetrical structures that are removably fixed together to form a channel 4 for the leaky cable to pass through. For example, each end of the first covering 7 and the second covering 8 is provided with a fixing protrusion 12, each of which is provided with a fixing hole 5. The first covering 7 and the second covering 8 can be fixed and clamped to the leaky cable by means of bolts or cable ties passing through the fixing holes 5, thereby securing the entire signal aggregation device 100 to the leaky cable.

[0051] In other embodiments, such as shown in FIG2 and FIG3, the first covering member 7 and the second covering member 8 are two asymmetric structures to adapt to different installation conditions and different shapes of leaky cables, such as fan-shaped leaky cables. The first covering member 7 and the second covering member 8 are two asymmetric structures, one large and one small. As shown in FIG2, the cross-sectional curvature of the first covering member 7 is smaller than the cross-sectional curvature of the second covering member 8. For example, when the leaky cable assembly is installed close to a vertical wall, the fixing protrusion 12 and the fixing hole 5 face away from the wall, which facilitates the fixation of the first covering member 7 and the second covering member 8 of the signal aggregation device 100. As shown in FIG3, the cross-sectional curvature of the first covering member 7 is larger than the cross-sectional curvature of the second covering member 8. For example, when the leaky cable assembly is installed close to a horizontal roof, the fixing protrusion 12 and the fixing hole 5 face away from the signal aggregation plate, which facilitates the fixation of the first covering member 7 and the second covering member 8 of the signal aggregation device 100.

[0052] In some embodiments, the tubular covering 3 can be made of a material that signals can easily pass through, i.e., a non-signal shielding material. For example, in the present application, the tubular covering 3 is made of a non-metallic material, including plastic, insulating rubber, and other composite materials. Other composite materials, such as polyethylene, may be made by adding modifiers to improve the material's moldability and strength. These composite materials share the following characteristics: they are easily moldable, easily heat-processable, strong, and non-signal shielding.

[0053] In some embodiments, when the first signal aggregation plate 1 and the second signal aggregation plate 2 are fixed to the same covering (e.g., the first covering 7 or the second covering 8), the covering to which the first signal aggregation plate 1 and the second signal aggregation plate 2 are fixed is made of a material that is easily permeable to the aforementioned signals (non-signal shielding material), while the covering without the signal aggregation plate is made of a material such as metal that is not easily permeable to signals (signal shielding material). This design allows more signals to be concentrated between the first signal aggregation plate 1 and the second signal aggregation plate 2, thereby improving the concentration and intensity of the radiated signal.

[0054] In the present application, the material of the first signal aggregation plate 1 and the second signal aggregation plate 2 is a material that is not easily passed by the signal, that is, a signal shielding material. For example, in the present application, the first signal aggregation plate 1 and the second signal aggregation plate 2 are made of metal materials, including aluminum, copper, iron and alloy materials. Alloy materials, such as aluminum-magnesium alloys and other materials, have high strength and are easy to process. For example, in some embodiments, the outer layer of the first signal aggregation plate 1 and the second signal aggregation plate 2 may be covered with a protective layer to prevent oxidation. In some embodiments, a plastic film may be covered on the outer surface of the signal aggregation plate, for example, by spraying plastic or directly using a plastic-containing composite tape for coating. In some other embodiments, anti-rust paint spraying may be used, and anti-rust paint may be sprayed on the outer surface of the signal aggregation plate to prevent the baffle from oxidizing.

[0055] In some embodiments, the first signal aggregation plate 1 and the second signal aggregation plate 2 are integrally formed with the first covering member 7 or the second covering member 8 of the tubular covering member 3 by injection molding. For example, in some embodiments, the first signal aggregation plate 1 and the second signal aggregation plate 2 are L-shaped metal signal aggregation plates, and the injection molding production process includes the following steps:

[0056] ①Prepare prefabricated L-shaped metal signal aggregation plate;

[0057] ② Drying the prepared injection molding raw materials (such as plastic, rubber) of the tubular covering member 3;

[0058] ③Put the mold into the injection molding machine and install the L-shaped metal signal gathering plate;

[0059] ④ Turn on the injection molding machine and pour the raw materials into the molding machine;

[0060] ⑤Open the injection molding machine and take out the product.

[0061] In some embodiments, the first signal aggregation plate 1 and the second signal aggregation plate 2 can also be fixed by prefabricating a long groove on the tubular covering 3 and then embedding the L-shaped metal signal aggregation plate. As shown in Figures 4 and 5, the first signal aggregation plate 1 and the second signal aggregation plate 2 each include a plate body 10 and a folded edge 11 at one end of the plate body. Two grooves 13 along the length direction of the signal aggregation device are provided on the first covering 7 (or the second covering 8), and the two grooves 13 are not in a straight line. One end of the folded edge 11 of the first signal aggregation plate 1 and the second signal aggregation plate 2 cooperates with the groove 13 to fix the first signal aggregation plate 1 and the second signal aggregation plate 2 on the first covering 7 (or the second covering 8).

[0062] In some other embodiments, one of the first signal aggregation plate 1 and the second signal aggregation plate 2 may be fixedly arranged on the first covering member 7, and the other may be fixedly arranged on the second covering member 8. In this case, two grooves 13 along the length direction of the signal aggregation device are respectively provided on the first covering member 7 and the second covering member 8. One end of the folded edge 11 of the first signal aggregation plate 1 and the second signal aggregation plate 2 cooperates with the groove 13 to fix the first signal aggregation plate 1 and the second signal aggregation plate 2 on the first covering member 7 and the second covering member 8 respectively.

[0063] In Figure 5, since the folded edge 11 of the first signal aggregation plate 1 and the second signal aggregation plate 2 is an L-shaped right-angled folded edge, the groove 13 is also an L-shaped groove. The cooperation between the folded edge and the groove improves the firmness of the fixation of the signal aggregation plate, and the signal aggregation plate is not easily fallen off due to external force.

[0064] In the present application, the thickness of the tubular covering 3 (i.e., the wall thickness of the channel 4) is preferably 1 mm to 5 mm. If it is too thin, the structural strength will be poor, while if it is too thick, the signal coverage will be affected. For example, in some embodiments, the thickness of the tubular covering 3 is 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, etc.

[0065] As shown in Figure 6, the angle α between the first signal aggregation plate 1 and the second signal aggregation plate 2 in this application is between 0° and 170°. For example, if the angle between the two signal aggregation plates is 0°, that is, the two signal aggregation plates are parallel, the signal can be reflected by the baffle and then concentrated and emitted forward. For example, if the angle between the two signal aggregation plates is 170°, the maximum signal radiation angle of the leaky cable itself is 170°, which still provides a good signal aggregation effect. In some other embodiments, the angle between the two signal aggregation plates can also be 5°, 10°, 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°, 55°, 60°, 65°, 70°, 75°, 80°, 85°, 90°, 95°, 100°, 105°, 110°, 115°, 120°, 125°, 130°, 135°, 140°, 145°, 150°, 155°, 160°, or 165°.

[0066] The preferred thickness of the first signal gathering plate 1 and the second signal gathering plate 2 in the present application is 0.1mm-5mm. If it is too thin, the structural strength is poor, and if it is too thick, the weight is too large. In some embodiments, the thickness of the signal gathering plate can be 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2mm, 2.1mm, 2.2mm, 2.3mm, 2 .4mm, 2.5mm, 2.6mm, 2.7mm, 2.8mm, 2.9mm, 3mm, 3.1mm, 3.2mm, 3.3mm, 3.4mm, 3.5mm, 3.6mm, 3. 7mm, 3.8mm, 3.9mm, 4mm, 4.1mm, 4.2mm, 4.3mm, 4.4mm, 4.5mm, 4.6mm, 4.7mm, 4.8mm, 4.9mm, 5mm.

[0067] In some other embodiments, the signal aggregation device 100 includes a plurality of first signal aggregation plates 1, which are sequentially arranged in the same radial region along the length of the signal aggregation device 100. The signal aggregation device 100 includes a plurality of second signal aggregation plates 2, which are sequentially arranged in the same radial region along the length of the signal aggregation device 100. The corresponding grooves 13 can be divided into multiple sections, with each section of the groove 13 fixing a signal aggregation plate. This design is convenient for production and also facilitates installation in engineering.

[0068] Leaky transmission lines are a general term for transmission lines such as leaky coaxial cables, leaky waveguides, and leaky waveguide cables that rely on periodic slots in a conductor to radiate and receive electromagnetic wave signals. In other embodiments, the signal aggregation device of the present application can also be applied to other leaky transmission lines, such as leaky waveguides and leaky waveguide cables, to form leaky transmission components. The specific structure and configuration can be found in Example 1 and will not be further described here.

[0069] Preferably, the length of the first signal concentrating plate 1 and the second signal concentrating plate 2 along the extension direction of the leakage transmission line is 1 mm-1 m, which has a better effect of concentrating signals.

[0070] Preferably, the longitudinal length of the signal aggregation device 100 (i.e., the length along the extension direction of the leaky transmission line) is 1cm-2m (a clamp is required during the installation of the leaky transmission line, and the clamp is fixed on the leaky transmission line. Generally, the maximum interval is 2m, and the signal aggregation device 100 can only be installed on the leaky transmission line one section at a time), which has a better effect of aggregating signals.

[0071] In some embodiments, as shown in Figures 1 and 6, a positioning groove 6 is provided on the inner sidewall of the first covering member 7 (or the second covering member 8) of the signal aggregation device 100, on a side opposite the midpoint O of the connecting line between the fixed ends 9 of the first signal aggregation plate 1 and the second signal aggregation plate 2. The positioning groove 6 can cooperate with a protrusion provided on the leaky transmission line to position the leaky transmission line or the slot provided therein, so that the slot of the leaky transmission line is disposed between the first signal aggregation plate 1 and the second signal aggregation plate 2.

[0072] In some embodiments, as shown in Figure 7 , to accommodate square leaky cables or square leaky waveguides, the tubular covering 3 is designed to be square. A signal aggregation device 100 suitable for square leaky cables or square leaky waveguides includes a first signal aggregation plate 1, a second signal aggregation plate 2, a first covering 7, and a second covering 8. In the embodiment shown in Figure 7 , the first and second coverings 7 and 8 are symmetrical structures. The first and second coverings 7 and 8 can be fixed together to form a channel 4 for the square leaky transmission line to pass through. The channel 4 has a square or rectangular cross-section. The first and second coverings 7 and 8 can be secured to the leaky transmission line by clamping the leaky transmission line through the channel 4. Both ends of the first and second coverings 7 and 8 are provided with fixing protrusions 12, each of which has a fixing hole 5. The first and second coverings 7 and 8 can be secured to the leaky transmission line using bolts or cable ties inserted through the fixing holes 5, thereby clamping the leaky transmission line. This secures the entire signal aggregation device 100 to the leaky transmission line. For other specific structures and settings, please refer to the above description of Example 1 and will not be repeated here.

[0073] In some embodiments, as shown in FIG8 , a signal aggregation device 100 suitable for fan-shaped leaky cables includes a first signal aggregation plate 1, a second signal aggregation plate 2, a first covering member 7, and a second covering member 8. In the embodiment of FIG8 , the first covering member 7 and the second covering member 8 are asymmetrical structures. The first and second covering members 7 and 8 can be fixed together to form a channel 4 for the fan-shaped leaky transmission line to pass through. The channel 4 has a fan-shaped cross-section. The first and second covering members 7 and 8 can be fixed to the leaky transmission line by clamping the leaky transmission line through the channel 4. Both ends of the first and second covering members 7 and 8 are provided with fixing protrusions 12, each of which has a fixing hole 5. The first and second covering members 7 and 8 can be fixed to the leaky transmission line by passing bolts or cable ties through the fixing holes 5 to clamp the leaky transmission line, thereby securing the entire signal aggregation device 100 to the leaky transmission line. The remaining specific structures and configurations can be found in the above description of Example 1 and will not be repeated here.

[0074] In other embodiments, the leaky transmission line signal aggregation device can be customized to have a curved structure at locations requiring bends or curves. Accordingly, the first signal aggregation plate, the second signal aggregation plate, the first covering member, and the second covering member may be curved along their length (i.e., the direction in which the leaky transmission line extends). The remaining detailed structure and configuration can be found in the description of Example 1 above and will not be repeated here.

[0075] In this embodiment 1, a leaky transmission line signal aggregation device is provided. The signal aggregation device is fixed to the leaky transmission line by a tubular covering. The radio frequency signal, which originally has a wide divergence range, is concentrated into a small angle range by two signal aggregation plates, so that the energy is more concentrated and diverged into the effective area. This can improve the signal coverage effect and increase the device spacing. In addition, the leaky transmission line signal aggregation device is wrapped around the leaky transmission line to protect the leaky transmission line.

[0076] Example 2

[0077] This embodiment provides a leaky transmission component, including a leaky transmission line and the signal aggregation device in any of the above embodiments.

[0078] In some embodiments, a leaky transmission assembly 200 is formed by a circular leaky cable 300 and a signal aggregation device as shown in FIG9 . The circular leaky cable 300 includes, from the inside to the outside, an inner conductor 14, an insulator 15, an outer conductor 16, and an outer sheath 17. The outer conductor 16 is provided with periodic slots 19. A color band 20 is provided on the outer sheath 17 corresponding to the slots 19, and a back marking line 18 is provided on the outer sheath 17 opposite the slots 19. The circular leaky cable 300 is disposed within the channel 4 of the signal aggregation device 100. The first and second covering members 7 and 8 of the signal aggregation device 100 clamp the circular leaky cable 300, securing the signal aggregation device 100 to the circular leaky cable 300. A raised back marking line 18 is provided on the outer circumference of the circular leaky cable 300 at a position opposite the slot. A positioning groove 6 is provided on the inner sidewall of the first or second covering member 7, 8 of the signal aggregation device 100, on a side opposite the midpoint O of the connecting line between the fixed ends 9 of the first and second signal aggregation plates 1, 2. The positioning groove 6 cooperates with the back marking line 18 to position the slot 19 of the circular leaky cable 300 between the first and second signal aggregation plates 1, 2. Other features of the signal aggregation device 100 are described in Example 1 and are not repeated here.

[0079] As shown in Figure 12, the leakage transmission assembly 200 comprises a circular leaky cable 300 and a signal aggregator. The circular leaky cable 300 is secured to the wall 21 via a fixing fixture 22, while the signal aggregator 100 is secured to the circular leaky cable 300 via its own channel. The first or second covering member 7, 8 of the signal aggregator 100 is integrally fixed to the circular leaky cable 300 via fixing bolts 23, clamping the circular leaky cable 300 and securing the signal aggregator 100 to the circular leaky cable 300. The positioning groove 6, coupled with the back marking line 18, positions the slot 19 of the circular leaky cable 300 between the first and second signal aggregator plates 1, 2.

[0080] In some embodiments, a leakage transmission assembly 200 is formed by a rectangular leaky cable 400 and a signal aggregation device as shown in FIG10 . The rectangular leaky cable 400 includes, from the inside to the outside, an inner conductor 14, an insulator 15, an outer conductor 16, and an outer sheath 17. The outer conductor 16 is provided with periodic slots 19. A color band 20 is provided on the outer sheath 17 corresponding to the position of the slots 19. The outer sheath 17 is square on the outside and circular on the inside. The rectangular leaky cable 400 is disposed in the channel 4 of the signal aggregation device 100. The first covering member 7 and the second covering member 8 of the signal aggregation device 100 clamp the rectangular leaky cable 400, fixing the signal aggregation device 100 on the rectangular leaky cable 400. For other features of the signal aggregation device 100, refer to the description in Example 1 and will not be repeated here.

[0081] In some embodiments, a leakage transmission assembly 200 is formed by a fan-shaped leaky cable 500 and a signal aggregation device as shown in FIG11 . The fan-shaped leaky cable 500 includes, from the inside to the outside, an inner conductor 14, an insulator 15, an outer conductor 16, and an outer sheath 17. The outer conductor 16 is provided with periodic slots 19. A color band 20 is provided on the outer sheath 17 corresponding to the position of the slots 19. The outer sheath 17 is fan-shaped on the outside and circular on the inside. The fan-shaped leaky cable 500 is disposed in the channel 4 of the signal aggregation device 100. The first covering member 7 and the second covering member 8 of the signal aggregation device 100 clamp the fan-shaped leaky cable 500, fixing the signal aggregation device 100 on the fan-shaped leaky cable 500. For other features of the signal aggregation device 100, please refer to the description in Example 1 and will not be repeated here.

[0082] In some embodiments, the outer conductors of the circular leaky cable 300, rectangular leaky cable 400, and fan-shaped leaky cable 500 are made of aluminum, breaking the traditional copper-based production process. Aluminum offers comparable mechanical and electrical properties to copper, but at a significantly lower price, making it suitable as a cable material. By using aluminum leaky cables, the proportion of metal in the overall cable cost is reduced, minimizing cost fluctuations without impacting overall construction costs. Furthermore, aluminum leaky cables are lightweight, making them easier to construct.

[0083] In some other embodiments, the signal aggregation device of the present application can also be combined with other leaky transmission lines such as leaky waveguides, leaky waveguide cables, etc. in circular, square, rectangular, fan-shaped, etc. shapes to form a leaky transmission component. The specific structure and setting can be found in the above description and will not be repeated here.

[0084] The leaky transmission line signal aggregation device and the leaky transmission component provided by the present invention have the following beneficial effects:

[0085] 1. The present invention can effectively solve the problem of relatively scattered signals transmitted by existing leaky transmission lines during use. The signal aggregation device gathers the signals into the intended coverage area, reduces the signal radiation from the leaky transmission line to the rear area, reduces signal waste, and transmits the signals more concentratedly to the working area, thereby enhancing the sensitivity of signal reception and the signal coverage range.

[0086] 2. Leaky transmission lines are generally surface-mounted and cannot be placed in pipe trenches. Leaky transmission lines are relatively delicate cables, and the slot positions are prone to twisting or even deformation during radiation installation, affecting the radiation of radio frequency signals and, in turn, causing deterioration in indicators such as coupling loss and attenuation constant. The present invention not only achieves signal concentration, but the tubular sheath structure itself also provides structural protection, thereby ensuring long-term and stable operation of leaky transmission lines.

[0087] The above is a detailed introduction to the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for those skilled in the art, according to the idea of ​​the present application, there may be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A leaky transmission line signal aggregation device, characterized in that: The invention comprises a first signal gathering plate, a second signal gathering plate and a tubular covering member, wherein a channel for the leaky transmission line to pass through is formed in the tubular covering member along its length direction, and the tubular covering member can clamp the leaky transmission line through the channel and be fixed on the leaky transmission line; One end of each of the first signal aggregation plate and the second signal aggregation plate is fixedly disposed on the tubular covering member, and the other corresponding end extends toward the outside of the channel; the first signal aggregation plate and the second signal aggregation plate are opposite to each other, and the distance between them gradually increases in the direction away from the channel; The spacing between the fixed ends of the first signal aggregation plate and the second signal aggregation plate is greater than the length and width of the slot opened on the leakage transmission line, and the portion of the tubular covering located between the fixed ends of the first signal aggregation plate and the second signal aggregation plate enables the signal leaked from the slot to pass through.

2. A leaky transmission line signal aggregation device according to claim 1, characterized in that: The tubular covering member includes a first covering member and a second covering member, and the first covering member and the second covering member can be fixed together to form a channel for the leakage transmission line to pass through; the first signal gathering plate and the second signal gathering plate both include a plate body and a folded edge at one end of the plate body; the first covering member or the second covering member is provided with two grooves along the length direction of the signal gathering device, and the two grooves are not in a straight line; One end of the first signal gathering plate and the second signal gathering plate where the folded edge is provided cooperates with the groove to fix the first signal gathering plate and the second signal gathering plate.

3. A leaky transmission line signal aggregation device according to claim 2, characterized in that: The first signal aggregation plate and the second signal aggregation plate are both fixed on the first covering member, the material of the first covering member is non-signal shielding material, and the material of the second covering member is signal shielding material; or the first signal aggregation plate and the second signal aggregation plate are both fixed on the second covering member, the material of the second covering member is non-signal shielding material, and the material of the first covering member is signal shielding material.

4. A leaky transmission line signal aggregation device according to claim 2, characterized in that: The first covering member and the second covering member are two symmetrical structures or two asymmetrical structures, and the channel is circular, rectangular or fan-shaped.

5. The leaky transmission line signal aggregation device according to claim 1, characterized in that: The first signal gathering plate and the second signal gathering plate are integrally formed with the tubular covering member through an injection molding process.

6. A leaky transmission line signal aggregation device according to claim 1, characterized in that: The tubular covering is made of non-signal shielding material, and the wall thickness of the channel is 1mm-5mm; the first signal gathering plate and the second signal gathering plate are made of signal shielding material, and the thickness of the first signal gathering plate and the second signal gathering plate is 0.1mm-5mm, and the angle between the first signal gathering plate and the second signal gathering plate is 0°-170°.

7. The leaky transmission line signal aggregation device according to claim 1, characterized in that: The signal aggregation device includes a plurality of first signal aggregation plates, which are arranged in sequence at the same radial area position along the length direction of the signal aggregation device; and also includes a plurality of second signal aggregation plates, which are arranged in sequence at the same radial area position along the length direction of the signal aggregation device.

8. A leakage transmission component, characterized in that: It comprises a leaky transmission line and the signal gathering device according to any one of claims 1 to 7, wherein the leaky transmission line is arranged in a channel of the signal gathering device, and the tubular covering of the signal gathering device clamps the leaky transmission line to fix the signal gathering device on the leaky transmission line.

9. A leakage transmission assembly according to claim 8, characterized in that: A raised back marking line is provided on the outer circumference of the leakage transmission line at a position opposite to the slot hole, and a positioning groove is provided on the inner side wall of the tubular covering of the signal aggregation device at a side opposite to the midpoint of the connecting line between the fixed ends of the first signal aggregation plate and the second signal aggregation plate. The positioning groove cooperates with the back marking line so that the slot hole of the leakage transmission line is set between the first signal aggregation plate and the second signal aggregation plate.

10. A leakage transmission assembly according to claim 8, characterized in that: The conductor of the leaky transmission line with slots is made of aluminum.

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