阅读说明：本技术 模块式精度可调的信号覆盖系统 (Modular precision-adjustable signal coverage system ) 是由 周永 尹丽娟 于 2020-11-30 设计创作，主要内容包括：本发明公开了一种模块式精度可调的信号覆盖系统,包括单个宽频可调信号源覆盖角度为90°的宽频口天线、支撑板、上安装盖、底座,支撑板安装在底座内,宽频口天线安装在支撑板上。本发明中可根据实际信号覆盖要求调整宽频口天线的个数以及安装角度来调整信号的覆盖范围,同时通过转向支架对宽频口天线水平、垂直角度上进行调整,实现指定信号覆盖区域整体信号覆盖,即满足实际信号覆盖需求又降低了成本。并且通过驻波调谐器对设备驻波精度进行校正,可针对特定频段驻波指标进行重点优化,也可以对所覆盖的所有频段进行整体优化,以此解决客户对不同频段的指标要求,覆盖频段为1.5Ghz－5Ghz,满足4G、5G通信FR1频带的使用需求。(The invention discloses a modular signal coverage system with adjustable precision, which comprises a wide-frequency-port antenna with a single wide-frequency-adjustable signal source coverage angle of 90 degrees, a supporting plate, an upper mounting cover and a base, wherein the supporting plate is mounted in the base, and the wide-frequency-port antenna is mounted on the supporting plate. The number and the installation angle of the wide-frequency-port antennas can be adjusted according to actual signal coverage requirements to adjust the coverage range of signals, and meanwhile, the horizontal and vertical angles of the wide-frequency-port antennas are adjusted through the steering support, so that the overall signal coverage of a specified signal coverage area is realized, the actual signal coverage requirements are met, and the cost is reduced. And the standing wave precision of the equipment is corrected by the standing wave tuner, the key optimization can be carried out aiming at the standing wave index of a specific frequency band, and the overall optimization can also be carried out on all the covered frequency bands, so that the index requirements of customers on different frequency bands are met, the covered frequency band is 1.5-5 Ghz, and the use requirements of FR1 frequency bands of 4G and 5G communication are met.)

1. The utility model provides a modular precision adjustable signal covers system which characterized in that: including last installation lid, single wide band adjustable signal source cover angle be 90 wide band mouth antenna, turn to support, backup pad, base, wide band mouth antenna is installed on turning to the support, turns to the support mounting in the backup pad, and the backup pad is installed in the base, can adjust the installation number according to needs coverage wide band mouth antenna top is provided with the installation lid, the installation lid with the base is demountable installation.

2. The modular, adjustable-precision signal overlay system according to claim 1, further comprising: the wide band mouth antenna includes casing, wide band mouth oscillator, time casing, it installs to go up the casing wide band mouth oscillator upper end, the casing is installed down wide band mouth oscillator lower extreme, go up the casing with the casing passes through recess and chimb cooperation installation down, go up the casing with the recess and the chimb installation department of casing adopt ultrasonic bonding sealed down.

3. The modular, adjustable-precision signal overlay system according to claim 2, wherein: the wide band mouth oscillator includes cavity, lower cavity, go up the cavity with the cavity passes through the screw fixation down, go up the cavity and fix between the cavity down and form the trapezium structure, it is close to go up the cavity one side middle part integrated into one piece of cavity has last fish tail down, the cavity is close to down one side middle part integrated into one piece of cavity has fish tail down, it is close to go up the cavity one side integrated into one piece that the trapezium structure bore is little has last fixed platform, the cavity is close to down one side integrated into one piece that the trapezium structure bore is little has lower fixed platform, it has the through-hole to go up fixed platform, through-hole internally mounted has the customization to connect the converter, fixed platform corresponds down through-hole position department sets up threaded hole, threaded hole internally mounted has the standing wave tuner.

4. The modular, adjustable-precision signal overlay system according to claim 3, wherein: the customized connector converter comprises a signal connector, a medium and a probe, the signal connector is used for externally connecting a feeder line, the signal connector is installed on one side, far away from the threaded hole, of the through hole, the probe is installed on one side, close to the threaded hole, inside the through hole, and the probe is connected with the signal connector through the medium.

5. The modular, adjustable-precision signal overlay system according to claim 3, wherein: the curved surface functions of the upper fishtail and the lower fishtail are both:

y＝2.2113×e^0.02·x+0.7012；

the value of x is 20-155, the position of 0 in the value of x in the upper cavity is the axis position of the custom-made joint converter, and the position of 0 in the value of x in the lower cavity is the axis position of the standing wave tuner.

6. The modular, adjustable-precision signal overlay system according to claim 2, wherein: and a steering support mounting hole is further formed in one side, away from the upper shell, of the lower shell, the upper shell is connected with the supporting plate through a steering support, and the steering support is fixedly mounted with the steering support mounting hole through a screw.

7. The modular, adjustable-precision signal overlay system according to claim 3, wherein: go up the cavity with cavity structure is the same down, go up the cavity and all seted up chimb and recess with cavity junction down, go up the cavity with the limit of closing of cavity passes through chimb and recess cooperation installation down.

8. The modular, adjustable-precision signal overlay system according to claim 1, further comprising: the upper mounting cover and the surface of the wide-frequency-port antenna are both provided with two-dimensional codes for inputting information.

9. The modular, adjustable-precision signal overlay system according to claim 4, wherein: the probe is of a variable step structure.

Technical Field

The invention relates to the technical field of signal transmission, in particular to a modular signal coverage system with adjustable precision.

Background

The existing signal covering antenna utilizes an antenna to radiate signals of communication equipment downwards at high altitude, the angle of the radiated signals is difficult to adjust after being fixed, the radiation range is narrow, and a plurality of signal covering antennas are required to be arranged to achieve complete coverage of a specified area, so that the cost is increased. The antenna size is bigger for improving signal intensity, and the antenna is directly exposed in public visual field range and easily causes inhabitants to generate conflict psychology, and the property is difficult to coordinate during installation, and because the installation has construction risk and later equipment high-altitude falling hidden danger at high altitude. The maintenance cost is too high due to the scattered antenna installation, and the equipment installation centralization, the management centralization and the maintenance centralization cannot be realized.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, an object of the present invention is to provide a modular signal coverage system with adjustable accuracy, which can realize specified signal coverage area or overall signal coverage and can meet the index requirements of customers for different frequency bands.

The modular signal coverage system with adjustable precision comprises an upper installation cover, a broadband port antenna with a single broadband adjustable signal source coverage angle of 90 degrees, a steering support, a support plate and a base, wherein the broadband port antenna is installed on the steering support, the steering support is installed on the support plate, the support plate is installed in the base, the upper installation cover is arranged above the broadband port antennas, the number of the broadband port antennas can be adjusted according to the coverage range required, and the upper installation cover and the base are detachably installed.

Preferably, the wide frequency port antenna comprises an upper shell, a wide frequency port oscillator and a lower shell, wherein the upper shell is arranged at the upper end of the wide frequency port oscillator, and the lower shell is arranged at the lower end of the wide frequency port oscillator. Go up the casing with the casing passes through recess and chimb cooperation installation down, go up the casing with the recess and the chimb installation department of casing adopt ultrasonic welding sealed down.

Preferably, the wide frequency mouth oscillator includes cavity, lower cavity, go up the cavity with the cavity passes through the screw fixation down, go up the cavity and fix between the cavity down and form the trapezium structure, it is close to go up the cavity one side middle part integrated into one piece of cavity has last fish tail down, the cavity is close to down one side middle part integrated into one piece of cavity has lower fish tail, it is close to go up the cavity one side integrated into one piece that the trapezium structure bore is little has last fixed platform, the cavity is close to down one side integrated into one piece that the trapezium structure bore is little has lower fixed platform, it has the through-hole to go up fixed platform, through-hole internally mounted has the customization to connect the converter, fixed platform corresponds down through-hole position department has seted up the screw hole, screw hole internally mounted has the harmonic tuner of standing wave.

Preferably, the customized connector converter comprises a signal connector, a medium and a probe, wherein the signal connector is used for externally connecting a feeder line, the signal connector is installed on one side of the through hole far away from the threaded hole, the probe is installed on one side of the inside of the through hole close to the threaded hole, and the probe is connected with the signal connector through the medium.

Preferably, the curved surface functions of the upper fishtail and the lower fishtail are both:

y＝2.2113×e^0.02·x+0.7012；

the value of x is 20-155, the position of 0 in the value of x in the upper cavity is the axis position of the custom-made joint converter, and the position of 0 in the value of x in the lower cavity is the axis position of the standing wave tuner.

Preferably, a steering support mounting hole is further formed in one side, away from the upper shell, of the lower shell, the upper shell is connected with the supporting plate through a steering support, and the steering support is fixedly mounted with the steering support mounting hole through a screw.

Preferably, the upper cavity is the same as the lower cavity in structure, a convex edge and a groove are formed at the joint of the upper cavity and the lower cavity, and the combined edge of the upper cavity and the lower cavity is installed in a matched mode through the convex edge and the groove.

Preferably, the upper mounting cover and the surface of the wide-frequency-port antenna are both provided with two-dimensional codes for inputting information.

Preferably, the probe is of a variable step structure.

In the invention:

(1) each wide frequency port antenna in the modular precision-adjustable signal coverage system is mutually independent, the number of the wide frequency port antennas can be freely adjusted according to a specific signal coverage scene in the actual use process, the coverage angle of each wide frequency port antenna is 90 degrees, the wide frequency port antennas can be independently used for signal coverage, two wide frequency port antennas can be combined into 180 degrees, three wide frequency port antennas form 270 degrees, and four wide frequency port antennas are arranged at an included angle of 90 degrees, so that the full coverage in any angle and 360-degree directions can be realized, if a plurality of wide frequency port antennas are used in series or in parallel, the signal strength of the wide frequency port antennas can reach 1.5 times of that of a single wide frequency port antenna, the coverage of horizontal or vertical signals is stronger, the coverage area is;

(2) the standing wave tuner is a customized device, screws are tapped on the surface of the standing wave tuner and are installed on screw holes of the lower cavity of the oscillator, the accuracy of a feed port signal is adjusted or optimized through rotation, a certain amount of accuracy deviation in the later processing or using process can be corrected through the intelligent tuner, the key optimization can be performed on the accuracy index of the specified frequency band, and the overall optimization can be performed on all the covered frequency bands, so that the requirement of customers on the indexes of different frequency bands is met, and the accuracy of the equipment in the actual production and using processes is guaranteed to greatly improve the tolerance capability of the intelligent adjustable signal covering equipment;

(3) the wide-frequency-port antenna in the modular precision-adjustable signal coverage system can be freely combined, and meanwhile, the horizontal, vertical and angle can be freely adjusted through the steering support, so that the freedom degree of the selection of the installation place is higher, and the signal coverage limitation caused by various installation scenes is solved;

(4) the background in the modular precision-adjustable signal coverage system is provided with special management software, and meanwhile, the equipment is provided with a special two-dimensional code, so that the platform can be automatically positioned after relevant information is scanned and input after the equipment is installed for the first time, great convenience is brought to later equipment fault maintenance, routing inspection fast belt positioning and asset management, automatic uploading of alarm information can be realized through later equipment upgrading, and automatic dispatching is realized;

(5) the design structure of the upper cavity and the lower cavity of the wide-frequency-port antenna is the same, the joint edges of the upper cavity and the lower cavity are designed in a convex edge and groove matching mode, the signal leakage problem is solved by the design and combination, the tail part is designed to be triangular, the peripheral size of equipment is reduced, the equipment is used during rotary covering, meanwhile, the upper fishtail, the lower fishtail, the fixed platform, the fixed ears, the grooves, the convex edges, the through holes and the threaded holes are respectively designed to be integrated with the lower cavity of the upper cavity, the later-stage die casting or machining precision of a product is guaranteed to be higher, and the cost of a die, production and processing and;

(6) the custom connector adapter is in the form of a probe sleeve medium, wherein the probe sleeve medium adapter improves antenna matching by sheathing the probe with a dielectric sleeve, the tail portion is provided with a variable step structure, the metal diameter size of the inner conductor is increased at the tail end, equivalent impedance is reduced, and the sensitivity of impedance to frequency variation is reduced, thereby widening the frequency band.

(7) The modular signal coverage system with adjustable precision utilizes an antenna to radiate signals of communication equipment in a horizontal, vertical and angle mode in a ground centralized mode, and the covered signals can be in designated areas and angles and can also be covered in 360 degrees in an omnidirectional mode. The system can freely adjust the signal coverage area, so that the system can meet the conventional scene requirement and solve the specific scene signal coverage requirement. The traditional high-altitude distributed signal coverage implementation mode is distinguished, so that the cost of communication equipment, construction cost and maintenance cost can be saved; secondly, the high-altitude construction risk and the high-altitude falling hidden danger of the later-stage equipment can be avoided to the greatest extent. The centralized equipment installation, the centralized management and the centralized maintenance are realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a cross-sectional view of a modular precision adjustable signal overlay system according to the present invention;

FIG. 2 is an exploded view of the modular precision adjustable signal overlay system of the present invention;

fig. 3 is a schematic structural diagram of a wide band antenna according to the present invention;

fig. 4 is an exploded view of a wide band antenna according to the present invention;

fig. 5 is an exploded schematic view of a broadband port resonator according to the present invention;

FIG. 6 is an enlarged view of a portion of the lower chamber mounting platform according to the present invention;

FIG. 7 is an enlarged view of a portion of the upper chamber mounting plate according to the present invention;

fig. 8 is a cross-sectional view of a broadband port oscillator according to the present invention;

FIG. 9 is a schematic structural diagram of a custom joint converter according to the present invention;

fig. 10 is a schematic structural view of an upper chamber according to the present invention;

FIG. 11 is a schematic diagram of the upper and lower cavity curved surfaces in a two-dimensional rectangular coordinate system according to the present invention;

FIG. 12 is a radiation coverage pattern of a single port of the modular precision-adjustable signal coverage system of the present invention;

FIG. 13 is a standing-wave ratio curve of the modular precision-adjustable signal overlay system proposed by the present invention;

FIG. 14 is a graph showing the separation between ports of the modular precision-adjustable signal overlay system according to the present invention when four ports are used.

In the figure: 1-upper mounting cover, 2-wide frequency port antenna, 3-feeder port, 4-steering support, 5-support plate, 6-base, 201-upper shell, 202-wide frequency port oscillator, 203-lower shell, 2021-custom joint converter, 2022-upper cavity, 2023-upper fish tail, 2024-upper fixing platform, 2025-fixing ear, 2026-lower cavity, 2027-lower fish tail, 2028-standing wave tuner, 20211-signal joint, 20212-medium, 20213-probe, 20221-through hole, 20261-convex edge, 20262-groove, 20263-threaded hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-11, the broadband adjustable signal source device comprises an upper mounting cover 1, a single broadband port antenna 2 with a 90-degree coverage angle, a steering support 4, a support plate 5 and a base 6, wherein the broadband port antenna 2 is mounted on the steering support 4, the steering support 4 is mounted on the support plate 5, the support plate 5 is mounted in the base 6, the upper mounting cover 1 is arranged above the broadband port antenna 2, the number of the broadband port antennas can be adjusted according to the coverage range required, and the upper mounting cover 1 and the base 6 are detachably mounted.

The wide-frequency-port antenna 2 comprises an upper shell 201, a wide-frequency-port oscillator 202 and a lower shell 203, wherein the upper shell 201 is installed at the upper end of the wide-frequency-port oscillator 202, and the lower shell 203 is installed at the lower end of the wide-frequency-port oscillator 202. Go up casing 201 and lower casing 203 and pass through recess and chimb cooperation installation, go up casing 201 and lower casing 203's recess and chimb installation department and adopt ultrasonic welding sealed.

The broadband port oscillator 202 comprises an upper cavity 2022 and a lower cavity 2026, the upper cavity 2022 and the lower cavity 2026 are fixed by screws, a trapezoidal structure is fixedly formed between the upper cavity 2022 and the lower cavity 2026, an upper fish tail 2023 is integrally formed in the middle of one side of the upper cavity 2022 close to the lower cavity 2026, a lower fish tail 2027 is integrally formed in the middle of one side of the lower cavity 2026 close to the upper cavity 2022, an upper fixing platform 2024 is integrally formed on one side of the upper cavity 2022 close to the smaller aperture of the trapezoidal structure, a lower fixing platform is integrally formed on one side of the lower cavity 2026 close to the smaller aperture of the trapezoidal structure, a through hole 20221 is formed in the upper fixing platform 4, a custom-made joint converter 2021 is installed in the through hole 20221, a threaded hole 20263 is formed in the lower fixing platform at a position corresponding to the through hole 20221, and a standing wave tuner.

The custom connector adapter 2021 comprises a signal connector 20211 for externally connecting a feeder line, a medium 20212 and a probe 20213, wherein the signal connector 20211 is installed on one side of the through hole 20221 far away from the threaded hole 20263, the probe 20213 is installed on one side of the inside of the through hole 20221 near the threaded hole 20263, and the probe 20213 is connected with the signal connector 20211 through the medium 20212.

The surface functions of the upper fish tail 2023 and the lower fish tail 2027 are both:

y＝2.2113×e^0.02·x+0.7012；

the value of x is 20 to 155, the position of 0 in the value of x in the upper cavity 2022 is the axis position of the custom joint converter 2021, and the position of 0 in the value of x in the lower cavity 2026 is the axis position of the standing wave tuner 2028.

The side of the lower shell 203 far away from the upper shell 201 is further provided with a steering support mounting hole, the upper shell 201 is connected with the support plate 5 through the steering support 4, and the steering support 4 is fixedly mounted with the steering support mounting hole through a screw.

The upper cavity 2022 and the lower cavity 2026 have the same structure, a convex edge 20261 and a groove 20262 are formed at the joint of the upper cavity 2022 and the lower cavity 2026, and the joint edge of the upper cavity 2022 and the lower cavity 2026 is installed by the convex edge 20261 and the groove 20262 in a matching manner.

The surfaces of the upper mounting cover 1 and the wide frequency port antenna 2 are both provided with two-dimensional codes for inputting information.

The probe 20213 is of a stepped structure.

The modular signal coverage system with adjustable precision can meet the use requirements of main frequency bands in FR1 frequency bands of 4G and 5G communication, the coverage frequency band can be expanded to 1.5-5 Ghz, and the system comprises an upper mounting cover 1, four wide-frequency-port antennas 2, a steering support 4, a support plate 5 and a base 6, wherein the four wide-frequency-port antennas 2 are mutually arranged at 90 degrees.

Each wide frequency port antenna 2 can independently adjust the horizontal, vertical and angle according to the covering scene requirement, and can also integrally adjust the horizontal, vertical and angle, thereby realizing the whole signal covering of the designated signal covering area.

Each broadband adjustable signal source can adopt a wireless mode or an external signal controller mode on system software according to a coverage scene to realize horizontal, vertical and angle adjustment in a visual mode. The horizontal, vertical and angle can be adjusted integrally, and the integral signal coverage of the designated signal coverage area is realized.

The error in the standing wave accuracy of each wide-band-port antenna 2 can be corrected by rotating the distance between the customized standing wave tuner 2028 and the contact surface of the customized stub converter 2021 as shown in fig. 8. The method can perform key optimization aiming at the standing wave index of a specific frequency band, and can also perform integral optimization on all the covered frequency bands, thereby solving the index requirements of customers on different frequency bands, and also realizing the double guarantee of the precision of the equipment in the actual production or use process.

Each wide band port antenna 2 is composed of an upper cavity 2022, a lower cavity 2026, a standing wave tuner 2028, and a custom tap changer 2021. The upper cavity 2022 and the lower cavity 2026 have the same design structure, the joint edges of the upper cavity and the lower cavity adopt the design of matching the convex edge 20261 and the groove 20262, the signal leakage problem is solved by the design and combination, and screws are used for fastening at the position of the fixed ear 2025 after combination. Meanwhile, the upper fishtail 2023, the lower fishtail 2027, the upper fixing platform 2024, the lower fixing platform, the fixing ears 2025, the groove 20262 and the convex edge 20261 are respectively designed into a whole with the upper cavity 2022 and the lower cavity 2026, so that higher precision of later-stage die casting or machining of a product is ensured, and the cost of a die, production and processing and the like can be greatly reduced.

The standing wave tuner 2028 is a custom device, has screw threads on the surface, is mounted on the lower cavity 2026 and the screw thread hole 20263, and is adjusted to be optimally fixed by rotating to adjust or optimize the signal precision of the feed port.

The custom connector converter 20211 is composed of a signal connector 20211, an N-type, 4.3/10, SMA or other rf connector, a medium 20212 and a probe 20213, and the custom connector converter 2021 is inserted into the through hole 20221 of the upper cavity 2022 and screwed to the upper fixing platform 2024 for signal transmission interface of the signal overlay system.

The wide-frequency-port antenna 2 is arranged on a steering support 4 and then arranged on a support plate 5, and the direction and the angle of each wide-frequency-port antenna 2 are adjusted through the steering support to change the signal coverage direction.

1) In the invention, each wide-frequency-port antenna 2 is independent as shown in fig. 3, the number of the wide-frequency-port antennas 2 can be freely adjusted according to a specific signal coverage scene in the actual use process, the coverage angle of each wide-frequency-port antenna 2 is 90 degrees, the wide-frequency-port antennas can be used independently for signal coverage, two wide-frequency-port antennas can be combined into 180 degrees, three wide-frequency-port antennas can be combined into 270 degrees, four wide-frequency-port antennas are arranged at an included angle of 90 degrees, and the full coverage. If a plurality of the signal intensity sensors are used in series or in parallel, the signal intensity of the signal intensity sensors can reach 1.5 times of that of a single signal, the horizontal or vertical signal coverage is stronger, and the coverage area is wider. The signal coverage of different areas is realized, and the investment is saved by configuration according to the requirement.

2) The standing wave tuner 2028 is a custom device with screw thread on the surface and mounted on the screw hole 20263 of the lower cavity 2026 of the oscillator to adjust or optimize the signal accuracy of the feed port by rotation. A certain amount of precision deviation can be corrected through the intelligent tuner in the later-stage processing or using process, so that key optimization can be performed on precision indexes of the specified frequency band, and the whole optimization can be performed on all the covered frequency bands, so that the index requirements of customers on different frequency bands are met. The precision of the device in the actual production and use process is guaranteed to be double, and the tolerance capability of the intelligent adjustable signal covering device is greatly improved.

3) In the invention, as shown in fig. 2, the wide-frequency-port antenna 2 can be freely combined, and can also be freely adjusted horizontally, vertically and angularly, so that the freedom degree of selecting an installation place is higher, and the signal coverage limitation caused by various installation scenes is solved.

4) According to the invention, as shown in fig. 2, the system background is provided with special management software, and meanwhile, the equipment is provided with a special two-dimensional code, after the equipment is installed for the first time, the platform can be automatically positioned after relevant information is scanned and input, great convenience is brought to later-stage equipment fault maintenance, routing inspection fast-zone positioning and asset management, automatic uploading of alarm information can be realized through later-stage equipment upgrading, and automatic dispatching is realized.

5) The design structure of the upper cavity 2022 and the lower cavity 2026 of the wide-frequency-port antenna 2 is the same, the joint edges of the upper cavity and the lower cavity adopt the design of matching the convex edge 20261 and the groove 20262, the signal leakage problem is solved by the design and combination, the tail part is designed to be triangular, and the peripheral size of the equipment is reduced when the equipment is used for rotary covering. Meanwhile, the upper fishtail 2023, the lower fishtail 2027, the fixing platform 2024, the fixing ear 2025, the groove 20262, the convex edge 20261, the through hole 20221 and the threaded hole 20263 are respectively designed into a whole with the upper cavity 2022 and the lower cavity 2026. The later stage of the product is ensured to adopt die casting or machine processing with higher precision, and the cost of the die, the production and the processing and the like can be greatly reduced.

6) As shown in fig. 9, the custom tap changer is in the form of a 20211 probe 20213 medium 20212, wherein the probe 20213 medium 20212 is switched, by sleeving the probe 20213 with a medium 20212 sleeve, the tail portion increases the step-changing structure to improve the antenna matching, and increases the inner conductor metal diameter size at the end to reduce the equivalent impedance and reduce the sensitivity of the impedance to frequency variations, thereby widening the frequency band.

7) The tail of the wide-frequency-port antenna is designed to be triangular as shown in fig. 3, when the antenna is used for covering 360 degrees, the peripheral size of equipment is reduced, a variable step structure is added at the tail of a customized connector converter 2021 to improve antenna matching, and a standing wave tuner 2028 adjusting structure is added below a connector to further improve standing wave matching of broadband. Through the optimized design, the antenna keeps higher radiation efficiency at 1.5GHz-5GHz, the system radiation coverage pattern (figure 12) of the antenna in a frequency band is shown, meanwhile, the standing wave ratio in a wide frequency band is less than 1.38, the standing wave curve (figure 13) of the antenna is shown, and the isolation of each port is more than 44dB (figure 14).

In conclusion, the modular signal coverage system with adjustable precision can adjust the coverage range of signals by installing the number and the installation angle of the wide-frequency-port antennas, and adjust the horizontal and vertical angles of the wide-frequency-port antennas through the steering support, so that the overall signal coverage of a specified signal coverage area is realized, the standing wave precision of equipment is corrected through the standing wave tuner, the key optimization can be performed on the standing wave index of a specific frequency band, and the overall optimization can be performed on all the covered frequency bands, so that the index requirements of customers on different frequency bands are met.

The modular signal coverage system with adjustable precision utilizes an antenna to radiate signals of communication equipment in a horizontal, vertical and angle mode in a ground centralized mode, and the covered signals can be in designated areas and angles and can also be covered in 360 degrees in an omnidirectional mode. Because the signal coverage area of the system can be freely adjusted, the system not only meets the requirements of a conventional scene, but also solves the problem that the signal coverage requirements of a specific scene are different from the traditional high-altitude distributed signal coverage implementation mode, so that the cost of communication equipment, the construction cost and the maintenance cost can be saved firstly; secondly, the high-altitude construction risk and the high-altitude falling hidden danger of the later-stage equipment can be avoided to the greatest extent. The centralized equipment installation, the centralized management and the centralized maintenance are realized.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.