CN113690573A - Cable gap-free intelligent antenna - Google Patents
Cable gap-free intelligent antenna Download PDFInfo
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- CN113690573A CN113690573A CN202110820917.6A CN202110820917A CN113690573A CN 113690573 A CN113690573 A CN 113690573A CN 202110820917 A CN202110820917 A CN 202110820917A CN 113690573 A CN113690573 A CN 113690573A
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- 239000011889 copper foil Substances 0.000 claims description 34
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/002—Protection against seismic waves, thermal radiation or other disturbances, e.g. nuclear explosion; Arrangements for improving the power handling capability of an antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/106—Microstrip slot antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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Abstract
The application relates to communication equipment's technical field especially relates to a exempt from cable gap smart antenna, and it includes: the base is made of a conductive material, an orthogonal gap and an accommodating cavity are arranged on the base, the accommodating cavity comprises an upper-layer cavity and a lower-layer cavity, and the orthogonal gap is communicated with the upper-layer cavity; the slot radiation unit is arranged in the upper-layer cavity, and the orthogonal slot is coupled and fed through a strip line in the cavity to excite electromagnetic wave radiation; the power divider component is arranged in the lower-layer cavity and is electrically connected with the gap radiation unit through a metal piece; and the microstrip line calibration network board is arranged on the base and electrically connected with the power divider component through the contact pin, so that the integration level of the antenna is greatly improved, the cable loss is reduced, the production cost of the intelligent antenna is reduced, and the intelligent antenna is convenient to assemble and use.
Description
Technical Field
The application relates to the technical field of communication equipment, in particular to a cable-slot-free intelligent antenna.
Background
With the development of mobile communication technology and the increasing of mobile communication services and types, mobile communication plays an increasingly important role in people's daily life. The antenna device is used as a radiation system in the base station device, and plays a vital role in the structural design and performance of the whole base station.
The conventional intelligent antenna usually comprises three parts, namely a symmetrical oscillator, a microstrip power divider and a microstrip line calibration network board, wherein each part is usually designed in a split mode, and the connection of each part is usually realized through a cable. The intelligent antenna that so sets up is integrated the degree lower, need consume the cable and the whole height of antenna is higher usually, further leads to the antenna assembly process complicacy and the cost is higher. For this reason, further improvement is awaited.
Disclosure of Invention
In order to improve smart antenna's integrated level and reduction in production cost to a certain extent, reduce smart antenna's loss in the aspect of the cable simultaneously, this application provides a cable slot smart antenna exempts from.
The application provides a pair of exempt from cable gap smart antenna adopts following technical scheme:
a cable slot-free smart antenna for implementing signal transmission, comprising: the base is made of a conductive material, an orthogonal gap and an accommodating cavity are arranged on the base, the accommodating cavity comprises an upper-layer cavity and a lower-layer cavity, and the orthogonal gap is communicated with the upper-layer cavity; the gap radiation unit is arranged in the upper layer cavity; the power divider component is arranged in the lower-layer cavity and is electrically connected with the gap radiation unit through a metal piece; the microstrip line calibration network board is arranged on the base and is electrically connected with the power divider component through a contact pin; the orthogonal slot is coupled and fed through a slot radiation unit and a power divider component which are positioned in the accommodating cavity and excites electromagnetic wave radiation.
By adopting the technical scheme, the gap radiation unit and the power divider component are combined together through the base, the integration level of the antenna is greatly improved, the gap radiation unit is electrically connected with the power divider component through the metal piece, the power divider component is electrically connected with the microstrip line calibration network board through the contact pin, all the components are not required to be connected through cables, the cable loss is reduced, the production cost of the intelligent antenna is reduced, the integral height of the intelligent antenna is reduced to a certain extent, and the intelligent antenna is convenient to assemble and use.
Optionally, the gap radiation unit includes a gap radiation unit copper-clad plate, a first gap radiation unit copper foil, a second gap radiation unit copper foil and a metal column, the gap radiation unit copper-clad plate set in the upper cavity, the first gap radiation unit copper foil and the second gap radiation unit copper foil set in two opposite outer surfaces of the gap radiation unit copper-clad plate, the metal column set vertically in the upper cavity, the gap radiation unit copper-clad plate is provided with a metal column hole for the metal column to pass through, the metal column passes the metal column hole, two ends of the metal column are connected respectively to the inner top surface and the inner bottom surface of the upper cavity.
Optionally, the power divider subassembly includes that the stripline merit divides ware copper-clad plate, first stripline merit to divide ware copper foil and second stripline merit to divide the ware copper foil, the stripline merit divides the ware copper-clad plate to locate in the cavity of lower floor, first stripline merit divide the ware copper foil with the second stripline merit divides the ware copper foil to locate on the relative two surfaces of ware copper-clad plate is divided to the stripline merit and form two independent one minute four stripline merits with the cavity of lower floor and divide the ware.
Optionally, the metal piece is a metal sheet, and the metal sheet connects the output end of the power divider component with the input end of the slot radiation unit.
Optionally, the pin includes a pin body and an insulating column disposed on the pin body, and the pin body connects the input end of the power divider component with the output end of the microstrip line calibration network board.
Optionally, a partition board is arranged in the accommodating cavity, and the accommodating cavity is divided into an upper cavity and a lower cavity by the partition board.
Optionally, the base is made of a conductive metal material through pultrusion, and the accommodating cavity, the partition plate and the base are integrally formed.
Optionally, a guiding assembly is further disposed on the base.
Optionally, the guiding assembly includes a first guiding sheet, and the first guiding sheet is disposed at a predetermined position on the base through a supporting column.
The guide assembly further comprises a second guide piece, and the second guide piece is arranged at a preset position on the base through the medium plate and the connecting column.
As can be seen from the above, the present application has the following beneficial technical effects:
1. the gap radiation unit and the power divider component are combined together through the base, so that the integration level of the antenna is greatly improved, and the integral structural stability of the antenna is favorably ensured.
2. The gap radiation unit is electrically connected with the power divider assembly through the metal piece, the power divider assembly is electrically connected with the microstrip line calibration network board through the contact pin, cable loss is reduced, the reduction of the production cost of the intelligent antenna is facilitated, and the whole structure is simple and convenient to assemble and use.
3. The bandwidth, gain and directivity of the smart antenna are increased by arranging the steering component.
Additional features and advantages of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the present application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a cable slot-free smart antenna according to an embodiment of the present application.
Fig. 2 is an exploded view of the cable slot-free smart antenna portion structure shown in fig. 1.
Fig. 3 is a schematic structural diagram of a lead-in component of a cable slot-free smart antenna.
Fig. 4 is a front view of the cable-slot-free smart antenna shown in fig. 1.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Fig. 6 is a schematic structural diagram of a radiating element of the cable slot-free smart antenna shown in fig. 1.
Fig. 7 is a schematic diagram of a power divider assembly of the cable slot-free smart antenna shown in fig. 1.
Fig. 8 is a schematic diagram of the radiation unit when connected to the power divider assembly.
Fig. 9 is a schematic diagram of another view of the radiation unit connected to the power divider assembly.
Fig. 10 is a schematic diagram of another view of the radiating element when connected to the power divider assembly.
Fig. 11 is a top view of the cable-slot-free smart antenna shown in fig. 1.
Description of reference numerals: 100. a base; 110. an accommodating chamber; 111. a partition plate; 112. a limiting groove; 120. an orthogonal slit; 200. the microstrip line calibrates the network board; 300. a power divider component; 310. copper-clad plate of the strip line power divider; 311. a first stripline power divider copper foil; 312. a second stripline power divider copper foil; 400. a slot radiation unit; 410. a gap radiation unit copper-clad plate; 411. a first slot radiating element copper foil; 412. a second slot radiating element copper foil; 413. a metal post hole; 420. a metal post; 500. a lead-to component; 510. a first guide sheet; 520. a second guide sheet; 530. connecting columns; 540. a support pillar; 550. a dielectric plate; 6. inserting a pin; 7. a metal sheet.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1 and 2, a cable-free slot smart antenna disclosed in an embodiment of the present application includes a base 100, at least one group of guiding assemblies 500 disposed on the base 100, at least one slot radiation unit 400, at least one group of power divider assemblies 300, and a microstrip line calibration network board 200. Wherein, base 100 is the plate body of personally submitting the T style of calligraphy, leads to subassembly 500 can dismantle set up in the top of base 100, run through along its self extending direction on the base 100 and offer the chamber 110 that holds that supplies gap radiation unit 400 and merit to divide the installation of ware subassembly 300, it is provided with baffle 111 in the chamber 110 to hold, baffle 111 will hold the chamber 110 and separate for two upper and lower cavitys, two upper and lower cavitys have all seted up spacing groove 112 along its relative both sides of self width direction.
Specifically, referring to fig. 3 to 5, the base 100 is made of an electrically conductive material, in the embodiment of the present application, the base 100 is made of an aluminum material through pultrusion, that is, the accommodating cavity 110 and the partition 111 are integrally formed with the base 100, so that the base 100 has good mechanical strength, which is beneficial to ensuring the structural stability of the whole antenna.
The slot radiation unit 400 is disposed in a cavity on a side of the accommodating cavity 110 close to the guiding component 500, that is, an upper-layer cavity, the power divider component 300 is disposed in a cavity on a side of the accommodating cavity 110 far from the guiding component 500, that is, a lower-layer cavity, the microstrip line calibration network board 200 (see fig. 4, 5, or 11) is disposed at a bottom of the base 100 far from the guiding component 500, the microstrip line calibration network board 200 is electrically connected to the power divider component 300, and the slot radiation unit 400 is electrically connected to the power divider component 300.
During signal transmission, firstly, a signal is accessed through an input port on the microstrip line calibration network board 200, the signal is transmitted to the power divider component 300 through the microstrip line calibration network board 200, and then the signal is transmitted to the slot radiation unit 400 through the power divider component 300; when receiving a signal, the signal is received by the radiation unit, transmitted to the power divider module 300 by the slot radiation unit 400, and transmitted to the microstrip line calibration network board 200 by the power divider module 300. The guiding element 500 is provided to increase the bandwidth, gain and directivity of the slot radiator unit 400.
Referring to fig. 2 and 3, the guide member 500 in the embodiment of the present application includes a first guide sheet 510, a second guide sheet 520, a connection post 530, a dielectric sheet 550, and a support post 540, wherein the first guide sheet 510 and the second guide sheet 520 are both conductors, and the dielectric sheet 550, the connection post 530, and the support post 540 are made of an insulating material.
Further, referring to fig. 2 to 5, the connection column 530 in the embodiment of the present application adopts a PCB isolation column with an airplane head, one end of the connection column 530, which is not provided with the airplane head, is set as a threaded portion, the dielectric plate 550 is a rectangular plate body, a through hole for the threaded portion to penetrate is formed in the dielectric plate 550, one end of the connection column 530, which is provided with the threaded portion, penetrates through the through hole in the dielectric plate 550 from bottom to top, the connection column 530 is fixed on the dielectric plate 550 through a nut matched with the threaded portion on the connection column 530, and the end of the connection column 530, which is provided with the airplane head, is coaxially inserted into the through hole in the base 100.
Specifically, be equipped with three groups of spliced poles 530 on the dielectric plate 550, three groups of spliced poles 530 set up along the length direction interval of dielectric plate 550, every group spliced pole 530 includes two that set up along the width direction interval of dielectric plate 550, a plurality of confessions have been seted up at base 100 top spliced pole 530 inserts the through-hole of establishing, the position of through-hole and the position one-to-one of spliced pole 530, the tip that spliced pole 530 was equipped with aircraft head passes through-hole and the joint on base 100 to with dielectric plate 550 demountable installation in base 100 top, and dielectric plate 550 interval predetermined distance is on a parallel with base 100.
Further, referring to fig. 3 and 4, the first guide sheet 510 and the second guide sheet 520 are disposed on the dielectric sheet 550 through the support posts 540. One end of the supporting column 540 is provided with a nut structure, the other end of the supporting column 540 is provided with a threaded portion, through holes for the supporting column 540 not to be provided with the nut structure are respectively arranged on the dielectric slab 550, the first guiding sheet 510 and the second guiding sheet 520, when the dielectric slab is installed, the second guiding sheet 520 is firstly arranged on the supporting column 540 in a penetrating manner, then the supporting column 540 penetrates through the through holes on the dielectric slab 550 from bottom to top, at the moment, the second guiding sheet 520 is pressed by the nut structure on the supporting column 540 and is attached to one side of the dielectric slab 550 close to the base 100, one end of the supporting column 540 not provided with the nut structure extends to one side of the dielectric slab 550 far away from the base 100, a gap maintaining column (not shown) made of insulating material can be sleeved on the supporting column 540 to enable the first guiding sheet 510 and the second guiding sheet 520 to keep a preset distance, then the end portion of the supporting column 540 provided with the threaded portion penetrates through the through holes on the first guiding sheet 510, finally, the first guide piece 510 is fixed to the support post 540 by means of a nut fitted thereto so that the second guide piece 520 is disposed on the dielectric plate 550 in parallel to the first guide piece 510 at a predetermined distance.
Specifically, referring to fig. 2 and 3, in the embodiment of the present application, the first guiding sheet 510 is a circular sheet structure, the second guiding sheet 520 is a rectangular sheet structure, four corners of the second guiding sheet 520 are provided with rounded corners, the first guiding sheet 510 and the second guiding sheet 520 are respectively provided with at least two through holes for the supporting columns 540 to penetrate through, that is, each first guiding sheet 510 or each second guiding sheet 520 is mounted on the dielectric slab 550 through at least two supporting columns 540. In the embodiment of the present application, the first guiding pieces 510 and the second guiding pieces 520 disposed on the same two supporting pillars 540 are a group of guiding piece groups, and the group of guiding piece groups are disposed at intervals along the length direction of the dielectric slab 550. The guide members 500 are provided in plural groups at intervals in a direction perpendicular to the length direction of the dielectric plate 550.
The directing assembly 500 may be configured according to actual design requirements, and in some embodiments, the directing assembly 500 may not be configured; in other embodiments, only the first guide sheet 510 may be disposed, the first guide sheet 510 is disposed on the base 100 through the support column 540, and the support column 540 is directly disposed at a predetermined position on the base 100.
Referring to fig. 1 to 6, the slot radiation unit 400 is disposed right below the guiding assembly 500, and the slot radiation unit 400 in the embodiment of the present invention includes an orthogonal slot 120 (see fig. 2) opened on the base 100, a slot radiation unit copper clad laminate 410, a first slot radiation unit copper foil 411, a second slot radiation unit copper foil 412, and a metal column 420.
Specifically, the orthogonal slits 120 are located right below the guide plate group, the orthogonal slits 120 are arranged in a cross shape, the orthogonal slits 120 are communicated with the accommodating cavity 110, the orthogonal slits 120 are arranged in a plurality at intervals along the length direction of the accommodating cavity 110, and the number and the positions of the orthogonal slits 120 correspond to those of the guide plate group in the guide assembly 500 one by one. More specifically, the distance between two orthogonal slits 120 adjacent to each other in the length direction of the receiving chamber 110 is generally set to be 0.5 λ to 1 λ, and the distance between two rows of slit radiation units 400 adjacent to each other in the width direction of the receiving chamber 110 is generally set to be 0.5 λ to 1 λ.
The gap radiation unit copper clad laminate 410 is arranged in the upper cavity of the accommodating cavity 110 close to one side of the guide assembly 500, the gap radiation unit copper clad laminate 410 is inserted in the limiting grooves 112 on two opposite inner sides of the upper cavity, the first gap radiation unit copper foil 411 and the second gap radiation unit copper foil 412 on two opposite outer surfaces of the gap radiation unit copper clad laminate 410 form a strip line structure, and the shapes of the first gap radiation unit copper foil 411 and the second gap radiation unit copper foil 412 are arranged corresponding to the shape of the orthogonal gap 120, so that each end of each orthogonal gap 120 can be excited by each radiation arm of the first gap radiation unit copper foil 411 and the second gap radiation unit copper foil 412, and the first gap radiation unit copper foil 411 and the second gap radiation unit copper foil 412 are coupled with the orthogonal gap 120 to excite electromagnetic wave radiation.
Referring to fig. 4 to 6, the metal pillar 420 is vertically disposed in the upper cavity of the accommodating cavity 110, a metal pillar hole 413 through which the metal pillar 420 passes is formed in the copper-clad plate 410 for the slot radiation unit, the metal pillar 420 passes through the metal pillar hole 413, and two ends of the metal pillar 420 are respectively connected to the inner top surface and the inner bottom surface of the upper cavity.
Specifically, referring to fig. 6, two opposite sides of each orthogonal slot 120 along the length direction of the slot radiation unit copper-clad plate 410 are symmetrically provided with a plurality of metal columns 420, the distance between the metal columns 420 located at two sides of the orthogonal slot 120 is usually set to be 0.3-0.6 λ, the metal columns 420 at each side are provided with a plurality of metal columns, and the distance between two adjacent metal columns 420 along the width direction of the slot radiation unit copper-clad plate 410 is usually set to be less than 0.125 λ. So that the metal posts 420 positioned at both sides of the orthogonal slot 120 and the upper cavity of the receiving cavity 110 form a reflecting cavity, further enhancing the directivity of the slot radiating element 400.
Referring to fig. 5 to 10, the power divider component 300 is disposed right below the slot radiation unit 400, and the power divider component 300 in the embodiment of the present disclosure includes a strip line power divider copper clad laminate 310, a first strip line power divider copper foil 311, and a second strip line power divider copper foil 312, where the strip line power divider copper clad laminate 310 is inserted into the limiting grooves 112 on two opposite inner sides of the lower cavity, and the first strip line power divider copper foil 311 and the second strip line power divider copper foil 312 on two opposite outer surfaces of the strip line power divider copper clad laminate 310 and the lower cavity form two independent one-to-four strip line power dividers.
Specifically, in the embodiment of the present invention, the metal piece is a metal piece 7, the metal piece 7 penetrates through the partition 111 in the accommodating cavity 110, one end of the metal piece 7 is inserted into the hollow portion at the corresponding position on the copper clad laminate 410 of the slot radiation unit, and the other end of the metal piece 7 is inserted into the hollow portion at the corresponding position on the copper clad laminate 310 of the strip line power divider, thereby electrically connecting the slot radiating element 400 to the power divider element 300.
Referring to fig. 5 and fig. 9 to 11, the microstrip calibration network board 200 is disposed on a side of the base 100 away from the guiding element 500, and each output terminal of the microstrip calibration network board 200 is electrically connected to the input terminal of the power divider element 300 through the pin 6. Specifically, contact pin 6 in this application embodiment includes that contact pin body and fixed cover locate the insulated column (not shown) on the contact pin body, when the installation is accomplished, the insulated column on the contact pin body is located the inner bottom wall that ware copper-clad plate below and lower floor's cavity are divided to the merit, at this moment, the insulated column on the contact pin body has played certain support, limiting displacement to stripline merit divider copper-clad plate 310, and the one end of contact pin body switches on with the input that four stripline merits divide the ware, the other end of contact pin body runs through the inner bottom wall of lower floor's cavity and switches on with each output on microstrip line calibration network board 200, thereby divide the merit ware subassembly 300 with microstrip line calibration network board 200 electric connection.
During signal transmission, a signal is accessed through an input port on the microstrip line calibration network board 200, the signal is transmitted to each input end of the power divider component 300 through each output end of the microstrip line calibration network board 200, and then the signal is transmitted to each slot radiation unit 400 through each output end of the power divider component 300; the direction of transmission of the signal when receiving the signal is opposite to the direction of transmission of the signal.
In short, the cable-free gap smart antenna provided by the application combines the gap radiation unit 400 and the power divider assembly 300 together through the base 100, greatly improves the integration level of the antenna, and divides the gap radiation unit 400 and the power divider assembly 300 electrically connected through the metal piece, divides the power divider assembly 300 and the microstrip line calibration network board 200 electrically connected through the contact pin 6, and does not need to connect all the parts through the cable, thereby reducing the cable loss, and simultaneously reducing the overall height of the antenna to a certain extent, and being convenient for assembly and use.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "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, schematic representations of the above terms 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.
What has been described above are but some of the embodiments of the present application. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept herein, and it is intended to cover all such modifications and variations as fall within the scope of the invention.
Claims (10)
1. The utility model provides a exempt from cable gap smart antenna for realize signal transmission, its characterized in that includes:
the base is made of a conductive material, an orthogonal gap and an accommodating cavity are arranged on the base, the accommodating cavity comprises an upper-layer cavity and a lower-layer cavity, and the orthogonal gap is communicated with the upper-layer cavity;
the gap radiation unit is arranged in the upper layer cavity;
the power divider component is arranged in the lower-layer cavity and is electrically connected with the gap radiation unit through a metal piece;
the microstrip line calibration network board is arranged on the base and is electrically connected with the power divider component through a contact pin;
the orthogonal slot is coupled and fed through a slot radiation unit and a power divider component which are positioned in the accommodating cavity and excites electromagnetic wave radiation.
2. The cable-free gap intelligent antenna according to claim 1, wherein the gap radiation unit comprises a gap radiation unit copper clad laminate, a first gap radiation unit copper foil, a second gap radiation unit copper foil and a metal column, the gap radiation unit copper clad laminate is arranged in the upper cavity, the first gap radiation unit copper foil and the second gap radiation unit copper foil are arranged on two opposite outer surfaces of the gap radiation unit copper clad laminate, the metal column is vertically arranged in the upper cavity, a metal column hole for the metal column to pass through is formed in the gap radiation unit copper clad laminate, the metal column passes through the metal column hole, and two ends of the metal column are respectively connected with the inner top surface and the inner bottom surface of the upper cavity.
3. The cable-slot-free intelligent antenna of claim 1, wherein the power divider component comprises a strip line power divider copper-clad plate, a first strip line power divider copper foil and a second strip line power divider copper foil, the strip line power divider copper-clad plate is arranged in the lower cavity, the first strip line power divider copper foil and the second strip line power divider copper foil are arranged on two opposite outer surfaces of the strip line power divider copper-clad plate and form two independent one-to-four strip line power dividers with the lower cavity.
4. The cable-free slot smart antenna of claim 1, wherein the metal piece is a metal sheet, and the metal sheet connects the output end of the power divider assembly with the input end of the slot radiating unit.
5. The cable slot-free smart antenna of claim 1, wherein: the contact pin comprises a contact pin body and an insulating column arranged on the contact pin body, and the contact pin body conducts the input end of the power divider component with the output end of the microstrip line calibration network board.
6. The cable slot-free smart antenna of claim 1, wherein: the accommodating cavity is internally provided with a partition board, and the accommodating cavity is divided into an upper cavity and a lower cavity by the partition board.
7. The cable-slot-free smart antenna of claim 6, wherein: the base is obtained by conductive metal material through pultrusion, the accommodating cavity, the partition plate and the base are integrally formed.
8. The cable slot-free smart antenna of claim 1, wherein: the base is also provided with a guiding component.
9. The cable slot-free smart antenna of claim 8, wherein: the guide assembly comprises a first guide sheet, and the first guide sheet is arranged at a preset position on the base through a support column.
10. The cable slot-free smart antenna of claim 8, wherein: the guide assembly further comprises a second guide piece, and the second guide piece is arranged at a preset position on the base through the medium plate and the connecting column.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110820917.6A CN113690573A (en) | 2021-07-20 | 2021-07-20 | Cable gap-free intelligent antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110820917.6A CN113690573A (en) | 2021-07-20 | 2021-07-20 | Cable gap-free intelligent antenna |
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| CN113690573A true CN113690573A (en) | 2021-11-23 |
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