CN216671913U - Antenna module and antenna - Google Patents
Antenna module and antenna Download PDFInfo
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- CN216671913U CN216671913U CN202123340748.0U CN202123340748U CN216671913U CN 216671913 U CN216671913 U CN 216671913U CN 202123340748 U CN202123340748 U CN 202123340748U CN 216671913 U CN216671913 U CN 216671913U
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Abstract
The application discloses an antenna module and an antenna, wherein the antenna module comprises a control circuit board, a microstrip antenna, a plurality of guide pieces and a support piece; the microstrip antenna is arranged on the control circuit board; the plurality of guide pieces are correspondingly arranged above the microstrip electric wire; the support piece is arranged between the control circuit board and the guide piece; the microstrip antenna comprises a plurality of radiating units, and the plurality of radiating units are respectively arranged corresponding to the plurality of guide pieces; the support member is detachably fixed to the control circuit board, and is detachably fixed to the guide piece. This application can carry out air coupling's microstrip antenna through setting up on control circuit board to and can all realize detachable support piece with control circuit board and guide to the piece, thereby realize the effect of easy installation, with low costs and low section.
Description
Technical Field
The present application relates to the field of radio frequency technology, and in particular, to an antenna module and an antenna.
Background
With the rapid development of mobile communication technology, especially the coming 5 th generation mobile communication, more demanding technical requirements are put forward for the whole base station system architecture, i.e. high-efficiency, rapid and large-capacity communication needs to be realized, and the system module needs to be highly integrated, miniaturized, light-weighted and low-cost.
A general antenna includes a control circuit board, a guide sheet, a reflection plate, and the like, the guide sheet and the reflection plate are respectively disposed on front and back sides of the control circuit board, and the reflection plate, the control circuit board, the guide sheet, and the like are generally separately designed and are welded and fixed together by screws or rivets. Therefore, the assembly of the antenna is complex, the reflecting plate and the guide sheet are coupled and connected through devices such as balun and the like, the distance is far, the section is high, how to realize the simplification of the assembly of the whole antenna, the low section and the like becomes an especially urgent technical requirement of the whole antenna product.
SUMMERY OF THE UTILITY MODEL
The application aims to provide an antenna module and an antenna, and solves the problems of complex assembly, high profile and low isolation.
The application discloses an antenna module, which comprises a control circuit board, a microstrip antenna, a plurality of guide pieces and a support piece; the microstrip antenna is arranged on the control circuit board; the plurality of guide pieces are correspondingly arranged above the microstrip electric wire; the support member is disposed between the control circuit board and the guide sheet; the microstrip antenna comprises a plurality of radiating units, and the plurality of radiating units are respectively arranged corresponding to the plurality of guide pieces; the support member is detachably fixed to the control circuit board, and is detachably fixed to the guide piece.
Optionally, the wavelength of the signal received by the antenna module is λ, and the height of the support is h; wherein, h is more than or equal to lambda/18 and less than or equal to lambda/10.
Optionally, the support member includes a plastic support, a plurality of first buckles are arranged on the plastic support corresponding to the guide sheet, a plurality of first clamping grooves are arranged on the guide sheet corresponding to the first buckles, and the first buckles are correspondingly clamped with the first clamping grooves; and/or support piece includes plastic support, correspond on the plastic support control circuit board still is equipped with a plurality of second buckles, control circuit board corresponds a plurality of the second buckle is provided with a plurality of second draw-in grooves, the second buckle with the second draw-in groove corresponds the joint.
Optionally, there are four second card slots, and the four second card slots are respectively disposed on outer sides of four sides of the radiation unit; the number of the first clamping grooves is four, the four first clamping grooves are arranged in the guide sheet in a rectangular mode, and the first clamping grooves and the second clamping grooves are through grooves.
Optionally, the first buckle and the second buckle are arranged to protrude in opposite directions, and in a vertical direction, a height of a lower end of the first buckle is higher than a height of a lower end of the second buckle and lower than a height of an upper end of the second buckle.
Optionally, the plastic support includes a square frame member and a support bar disposed in the square frame member, and the guide piece covers the square frame member and is overlapped with the square frame member; the two support bars are arranged on two parallel side walls of the square frame piece in a crossing mode, and two first buckles are arranged on each support bar; four first card slots corresponding to the four first buckles are arranged in the guide sheet in a matrix manner; the middle positions of four side walls of the frame piece are provided with grooves, and the bottom walls of the grooves are provided with second buckles.
Optionally, the number of the radiation units is at least three, and the three radiation units are respectively a first radiation unit, a second radiation unit and a third radiation unit; the control circuit board is provided with a first feed port with + 45-degree polarization and a second feed port with-45-degree polarization, and the first feed port and the second feed port are respectively connected to the first radiating element, the second radiating element and the third radiating element through two power dividers which divide into three; the first radiating element is provided with a first feeding point and a second feeding point, the second radiating element is provided with a third feeding point and a fourth feeding point, the first feeding point and the third feeding point are respectively connected to the first feeding port, and the second feeding point and the fourth feeding point are respectively connected to the second feeding port; the third radiating element is provided with a fifth feeding point and a sixth feeding point, the fifth feeding point is connected to the first feeding port, and the sixth feeding point is connected to the second feeding port; the phase difference between the fifth feeding point and the sixth feeding point is 180 degrees.
Optionally, the first radiating unit, the second radiating unit and the third radiating unit are all square sheet structures, and the two power dividers divided into three are respectively a first power divider and a second power divider; the first power divider comprises a first power division section and a second power division section; the second power divider comprises a third power division segment and a fourth power division segment; the first feed point is connected with the first power distribution section through a first impedance transformation transmission section; the second feeding point is connected with the third power distribution section through a second impedance transformation transmission section; the third feed point is connected with the first power distribution section through a third impedance transformation transmission section; the fourth feeding point is connected with the third power distribution section through a fourth impedance transformation transmission section; the fifth feeding point is connected with the second power distribution section through a corresponding third impedance transformation transmission section; the sixth feeding point is connected with the fourth power distribution section through a corresponding fourth impedance transformation transmission section; the line length of the first impedance transformation transmission section, the second impedance transformation transmission section, the third impedance transformation transmission section and the fourth impedance transformation transmission section is d 1; the line length of the fifth impedance transformation transmission segment and the sixth impedance transformation transmission segment is d2, wherein d2 is d1+ λ/2; λ is the wavelength of the signal received by the antenna module.
The application also discloses an antenna, which comprises at least one antenna module as described in any one of the above.
Compared with the scheme that the guide piece and the control circuit board are spliced by using a screw or a rivet or are directly welded by using other connecting pieces, the detachable supporting piece can be realized by the arrangement of the guide piece, the control circuit board and the guide piece, the installation is very convenient, the simple and convenient effect of installation is realized, and the disassembly and the maintenance and the replacement are convenient; and the microstrip antenna which can realize air coupling is directly printed on the control circuit board, and compared with a mode of coupling by adopting a balun, the height of the supporting piece can be designed to be smaller than that of the balun, so that the distance between the reflecting plate and the guide sheet arranged on the front side and the back side of the control circuit board is smaller, and the effect of low section is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic structural diagram of an antenna module according to an embodiment of the present application;
fig. 2 is an exploded view of the structure of an antenna module according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a lead-in tab of an embodiment of the present application;
FIG. 4 is a schematic structural view of a support member according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a control circuit board according to an embodiment of the present application;
FIG. 6 is a schematic phase contrast diagram of three radiating elements according to another embodiment of the present application;
fig. 7 is a schematic structural diagram of an antenna according to another embodiment of the present application.
100, an antenna module; 110. a control circuit board; 111. a second card slot; 112. a first feed port; 113. a second feed port; 120. a microstrip antenna; 121. a first feeding point; 122. a second feeding point; 123. a third feeding point; 124. a fourth feeding point; 125. a fifth feeding point; 126. a sixth feeding point; 130. a radiation unit; 131. a first radiation unit; 132. a second radiation unit; 133. a third radiation unit; 140. a guide sheet; 141. a first card slot; 150. a support member; 160. a plastic support; 161. a first buckle; 162. a second buckle; 170. a square frame member; 171. a supporting strip; 172. a groove; 180. a power divider; 181. a first power divider; 1811. a first power allocation segment; 1812. a second power allocation segment; 182. a second power divider; 1821. a third power allocation segment; 1822. a fourth power distribution segment; 191. a first impedance transformation transmission section; 192. a second impedance transformation transmission section; 193. a third impedance transformation transmission segment; 194. a fourth impedance transformation transmission segment; 195. a fifth impedance transformation transmission section; 196. a sixth impedance transformation transmission segment; 200. an antenna.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The present application will now be described in detail with reference to the drawings and alternative embodiments, it being understood that any combination of the various embodiments or technical features described below may form new embodiments without conflict.
Fig. 1 is a schematic structural diagram of an antenna module according to a first embodiment of the present application, and as shown in fig. 1, the antenna module 100 includes a control circuit board 110, a microstrip antenna 120, a plurality of guide plates 140, and a support 150; the microstrip antenna 120 is disposed on the control circuit board 110, and the microstrip antenna 120 may be air-coupled; generally, the microstrip antenna 120 is printed on the control circuit board 110 by a printing method, and the control circuit board 110 needs to be printed at a position corresponding to the guiding plate 140 during printing; the supporting member 150 is disposed between the control circuit board 110 and the guide sheet 140, and is used for supporting and fixing the guide sheet 140; the microstrip antenna 120 comprises a plurality of radiation units 130, the radiation units 130 are formed by surrounding the corresponding microstrip antenna 120, the microstrip antenna 120 can surround the radiation units 130 with different shapes, and a certain preset distance is reserved between the adjacent radiation units 130 to avoid mutual interference; the plurality of directing sheets 140 are disposed above the radiation units 130, and the plurality of radiation units 130 are in one-to-one correspondence, that is, one directing sheet 140 is disposed above each radiation unit 130, and the directing sheets 140 centralize the electromagnetic wave field, thereby improving the bandwidth and gain of the antenna.
Since the microstrip antenna 120 printed on the control circuit board 110 can realize air coupling, the distance between the guide sheet 140 and the control circuit board 110 can be reduced, the antenna profile can be reduced, and miniaturization, lightness and thinness can be realized. Generally, the height of the supporting member 150 is equal to or less than 1/10 wavelengths of the signals received by the antenna module 100 and equal to or more than 1/18 wavelengths of the signals received by the antenna module 100, that is, the wavelength of the signals received by the antenna module 100 is λ, and the height of the supporting member 150 is h, then λ/18 ≦ h ≦ λ/10; thus, the effect of low profile is realized; for the convenience of installation, the supporting member 150 is detachably fixed to the control circuit board 110 and also detachably fixed to the guiding sheet 140, and the supporting member 150 is detachably fixed to the guiding sheet 140, which brings advantages of low profile, no soldering point, easy processing and low cost.
In this embodiment, the microstrip antenna 120 capable of air coupling is disposed on the control circuit board 110, and the detachable support member 150 can be realized together with the control circuit board 110 and the guiding sheet 140, so as to avoid welding, reduce production time, and avoid void ratio, poor contact and consistency problems caused by welding, thereby improving product quality; furthermore, the distance between the guiding plate 140 and the control circuit board 110 is between 1/18 and 1/10 wavelengths of signals received by the antenna module 100, the radiating element 130 adopts the microstrip antenna 120 printed on the control circuit board 110, the guiding plate 140 is added right above the radiating element 130, and the radiation field of the radiating element 130 is coupled to the guiding plate 140 and radiated out in an air coupling manner, so that the low profile and the light weight are realized.
Fig. 2 is an exploded view of the structure of an antenna module according to an embodiment of the present application, and as shown in fig. 2, as an exploded view of the antenna module 100, a main structure of the antenna module 100 is expanded, and three radiation units 130 on a control circuit board 110 are taken as an example for explanation, each radiation unit 130 is provided with a corresponding support member 150, the upper and lower portions of the support member 150 are respectively a guide sheet 140 and the control circuit board 110, generally, the support member 150 and the control circuit board 110 and the support member 150 and the guide sheet 140 are detachably fixed by means of a snap fastener, and as long as the detachable fixation is realized, other fixing methods are also possible.
FIG. 3 is a schematic structural view of a lead-in tab of an embodiment of the present application; fig. 4 is a schematic structural diagram of a support member according to an embodiment of the present application, and fig. 5 is a schematic structural diagram of a control circuit board according to an embodiment of the present application; further, as shown in fig. 3 to 5, the supporting member 150 includes a plastic bracket 160, and the plastic bracket 160 is made of a plastic material and has a certain elastic function; a plurality of first buckles 161 are arranged on the plastic bracket 160 corresponding to the guide sheet 140, and the shapes and sizes of the plurality of first buckles 161 are the same; the guide sheet 140 is provided with a plurality of first clamping grooves 141 corresponding to the plurality of first clamping buckles 161, and the first clamping buckles 161 are correspondingly clamped with the first clamping grooves 141, so that the support 150 and the guide sheet 140 can be detachably fixed; the supporting member 150 is integrally formed by a mold, and the manufacturing process, the finished product process and the manufacturing control flow are greatly simplified.
The plastic bracket 160 is further provided with a plurality of second fasteners 162 corresponding to the control circuit board 110, the control circuit board 110 is provided with a plurality of second clamping grooves 111 corresponding to the plurality of second fasteners 162, and the second fasteners 162 are correspondingly clamped with the second clamping grooves 111, so that the support member 150 and the control circuit board 110 can be detachably fixed; the plastic support 160 is clamped with the upper guide sheet 140 and the lower control circuit board 110, each guide sheet 140 and the control circuit board 110 are respectively provided with a clamping groove, the plastic support 160 is buckled through an elastic structure of the plastic support 160, the guide sheet 140 is fixed on the plastic support 160, and the plastic support 160 is finally fixed on the control circuit board 110, so that the solderless welding is realized, the assembly process is simplified, and the production efficiency and the assembly consistency are improved.
In order to further reduce the distance between the guiding sheet 140 and the control circuit board 110, the first buckle 161 and the second buckle 162 are arranged in a protruding manner in opposite directions, in the vertical direction, the height of the lower end of the first buckle 161 is higher than the height of the lower end of the second buckle 162 and lower than the height of the upper end of the second buckle 162, the first buckle 161 and the second buckle 162 are arranged in a back-to-back manner, and the two buckles are partially overlapped, so that the overall height is greatly reduced compared with the scheme of overlapping the overall height, and the height difference between the guiding sheet 140 and the control circuit board 110 is favorably reduced.
Generally, each radiation unit 130 is surrounded by the corresponding microstrip antenna 120 to form a square shape, but may also be in other shapes, and is not limited to the above rectangular shape (including a circle, a rectangular ring, etc.), the corresponding control circuit board 110 is provided with four second card slots 111, the four second card slots 111 are respectively arranged at the outer sides of four edges of the radiation unit 130, and a certain distance exists between the four second card slots 111, so as to avoid damaging the microstrip antenna 120 during clamping; in addition, the guide piece 140 is provided with four first clamping grooves 141, and the first clamping grooves 141 and the second clamping grooves 111 are both square through grooves or square holes and are in clamping fit with square buckles; the first buckle 161 and the second buckle 162 are provided with a protrusion for reverse buckling after passing through the corresponding first clamping groove 141 and the second clamping groove 111, so that the buckles are prevented from sliding into the clamping grooves.
Since the guiding sheet 140 is provided with a square shape, the plastic bracket 160 is also manufactured corresponding to the shape of the guiding sheet 140, specifically, the plastic bracket 160 includes a square frame 170 and a supporting strip 171 arranged in the square frame 170, and the guiding sheet 140 covers the square frame 170 and completely coincides with the square frame 170; two support bars 171 are arranged across two parallel side walls of the square frame member 170, the height of each support bar 171 is lower than that of the side of the square frame member 170 in contact with the guide piece 140, and two first buckles 161 are arranged on each support bar 171; four first card slots 141 corresponding to four first buckles 161 are arranged in a matrix manner in the guide sheet 140; grooves 172 are formed in the middle of four side walls of the square frame 170, and the second fasteners 162 are arranged on the bottom walls of the grooves 172.
Further, the control circuit board 110 is provided with a first radiation unit 131, a second radiation unit 132 and a third radiation unit 133; the first radiating element 131 is provided with a first feeding point 121 and a second feeding point 122, the second radiating element 132 is provided with a third feeding point 123 and a fourth feeding point 124, the third radiating element 133 is provided with a fifth feeding point 125 and a sixth feeding point 126, the control circuit board 110 is provided with a first feeding port 112 polarized at +45 degrees and a second feeding port 113 polarized at-45 degrees, and the first feeding port 112 and the second feeding port 113 are respectively connected to the first radiating element 131, the second radiating element 132 and the third radiating element 133 through two power dividers 180 which are divided into three; specifically, the first feeding point 121 and the third feeding point 123 are respectively connected to the first feeding port 112, and the second feeding point 122 and the fourth feeding point 124 are respectively connected to the second feeding port 113; wherein the fifth feeding point 125 is connected to the first feeding port 112, and the sixth feeding point 126 is connected to the second feeding port 113; the phase difference between the fifth feeding point 125 and the sixth feeding point 126 is 180 degrees, which improves the isolation between the antenna polarizations, reduces the electromagnetic interference between the two polarizations, greatly reduces the correlation and the coupling coefficient between the antenna polarizations, and enhances the radiation characteristics of the antenna.
The first radiation unit 131, the second radiation unit 132, and the third radiation unit 133 are square sheet structures, specifically, the two power dividers 180 divided into three are respectively a first power divider 181 and a second power divider 182; the first power divider 181 includes a first power dividing section 1811 and a second power dividing section 1812; the second power divider 182 includes a third power divider segment 1821 and a fourth power divider segment 1822.
The first feeding point 121 of the first radiating element 131 is connected to the first power distribution section 1811 through a first impedance transformation transmission section 191, and the second feeding point 122 of the first radiating element 131 is connected to the third power distribution section 1821 through a second impedance transformation transmission section 192; the third feeding point 123 of the second radiation element 132 is connected to the first power distribution segment 1811 through a third impedance transformation transmission segment 193, and the fourth feeding point 124 of the second radiation element 132 is connected to the third power distribution segment 1821 through a fourth impedance transformation transmission segment 194; the fifth feeding point 125 of the third radiating element 133 is connected to the second power distribution section 1812 through a fifth impedance transformation transmission section 195; the sixth feeding point 126 of the third radiating element 133 is connected to the fourth power distribution section 1822 through a sixth impedance transformation transmission section 196, and three-way distribution is achieved through two power distribution sections.
The first impedance transformation transmission section 191, the second impedance transformation transmission section 192, the third impedance transformation transmission section 193, the fourth impedance transformation transmission section 194, the fifth impedance transformation transmission section 195 and the sixth impedance transformation transmission section 196 respectively comprise an impedance leading-out section, an impedance transformation section and an impedance free section (not shown in the figure), and a feeding point of each radiation unit is connected to the corresponding power divider sequentially through the impedance leading-out section, the impedance transformation section and the impedance free section; the first impedance transformation transmission segment 191 and the third impedance transformation transmission segment 193 share one impedance free segment; the second impedance transforming transmission section 192 and the fourth impedance transforming transmission section 194 share one impedance free section.
Generally, the line length of the first impedance transformation transmission section 191, the second impedance transformation transmission section 192, the third impedance transformation transmission section 193 and the fourth impedance transformation transmission section 194 is d 1; the line length of the fifth impedance transformation transmission segment 195 and the sixth impedance transformation transmission segment 196 is d2, where d2 is d1+ λ/2, and λ is the wavelength of the signal received by the antenna module; the two feeding ports of the first radiating element 131, the second radiating element 132 and the third radiating element 133 respectively excite two electromagnetic waves with orthogonal polarization modes, and the first radiating element 131, the second radiating element 132 and the third radiating element 133 are cascaded through corresponding wires and two one-to-three power dividers 180 to form two electromagnetic waves with orthogonal ± 45 degrees, that is, the first feeding port 112 and the second feeding port 113 where the electromagnetic waves are orthogonal to each other; wherein the phase difference between the fifth feeding point 125 and the sixth feeding point 126 of the third radiating element 130 is 180 °, the polarization purity of the patch surface field is improved, and thus the isolation between polarizations is improved.
Referring to the phase contrast diagram of each radiation element shown in fig. 6, the ± 45 ° polarization of each radiation element can be decomposed into horizontal and vertical components, the horizontal components of the first radiation element 131 and the second radiation element 132 cancel each other out, and the parallel horizontal component exists in the third radiation element 133, but the electromagnetic wave energy is weak; the vertical components of the first radiation unit 131 and the first radiation unit 132 are parallel, but the vertical components of the third radiation unit 133 cancel each other out, the electromagnetic wave energy of the vertical components is weakened without 180 ° phase difference, so that the coupling is reduced, and the electromagnetic interference is weakened.
Fig. 7 is a schematic diagram of an antenna according to an embodiment of the present application, and as another embodiment of the present application, an antenna 200 is disclosed, where the antenna 200 includes at least one antenna module 100 according to any one of the above embodiments, and a plurality of the antenna modules 100 are arranged in an array. Of course, the antenna 200 has other structures besides the antenna module, but this part is not the key point of the invention of the present application, and thus is not described again; as long as the antenna module 100 of the present application can be used, both a general antenna and an antenna integrally designed with the antenna module are considered as the protection scope of the present application.
It should be noted that the present application concept can form many embodiments, but the space of the application document is limited, and cannot be listed one by one, so that, on the premise of no conflict, the above-described embodiments or technical features can be arbitrarily combined to form a new embodiment, and after the embodiments or technical features are combined, the original technical effect will be enhanced.
The foregoing is a more detailed description of the present application in connection with specific alternative embodiments, and the specific implementations of the present application are not to be considered limited to these descriptions. For those skilled in the art to which the present application pertains, several simple deductions or substitutions may be made without departing from the concept of the present application, and all should be considered as belonging to the protection scope of the present application.
Claims (9)
1. An antenna module, comprising:
a control circuit board;
the microstrip antenna is arranged on the control circuit board;
a plurality of guide tabs disposed above the microstrip antenna; and
a support member disposed between the control circuit board and the guide sheet;
the microstrip antenna comprises a plurality of radiating units, and the plurality of radiating units are respectively arranged corresponding to the plurality of guide pieces;
the support member is detachably fixed to the control circuit board, and is detachably fixed to the guide piece.
2. The antenna module of claim 1, wherein the antenna module receives a signal having a wavelength λ and the support has a height h;
wherein, h is more than or equal to lambda/18 and less than or equal to lambda/10.
3. The antenna module of claim 1, wherein the support member comprises a plastic bracket, a plurality of first fasteners are disposed on the plastic bracket corresponding to the guiding sheet, a plurality of first clamping grooves are disposed on the guiding sheet corresponding to the first fasteners, and the first fasteners are correspondingly clamped with the first clamping grooves; and/or
The support piece includes the plastic support, correspond on the plastic support control circuit board still is equipped with a plurality of second buckles, control circuit board corresponds a plurality of the second buckle is provided with a plurality of second draw-in grooves, the second buckle with the second draw-in groove corresponds the joint.
4. The antenna module of claim 3, wherein there are four second card slots, and four second card slots are respectively disposed at outer sides of four sides of the radiating element; the number of the first clamping grooves is four, the four first clamping grooves are arranged in the guide sheet in a rectangular mode, and the first clamping grooves and the second clamping grooves are through grooves.
5. The antenna module of claim 3, wherein the first and second latches are protruded in opposite directions, and a height of a lower end of the first latch is higher than a height of a lower end of the second latch and lower than a height of an upper end of the second latch in a vertical direction.
6. The antenna module of claim 5, wherein the plastic support comprises a square frame member and a support strip disposed within the square frame member, the guide strip overlying the square frame member and coinciding with the square frame member;
the two support bars are arranged on two parallel side walls of the square frame piece in a crossing mode, and two first buckles are arranged on each support bar; four first card slots corresponding to the four first buckles are arranged in the guide sheet in a matrix manner;
the middle positions of four side walls of the square frame piece are provided with grooves, and the bottom walls of the grooves are provided with the second buckles.
7. The antenna module of claim 1, wherein the number of the radiating elements is at least three, and the three radiating elements are a first radiating element, a second radiating element and a third radiating element;
the control circuit board is provided with a first feed port with + 45-degree polarization and a second feed port with-45-degree polarization, and the first feed port and the second feed port are respectively connected to the first radiating element, the second radiating element and the third radiating element through two power dividers which divide into three;
the first radiating element is provided with a first feeding point and a second feeding point, the second radiating element is provided with a third feeding point and a fourth feeding point respectively, the first feeding point and the third feeding point are connected to the first feeding port respectively, and the second feeding point and the fourth feeding point are connected to the second feeding port respectively;
the third radiating element is provided with a fifth feeding point and a sixth feeding point, the fifth feeding point is connected to the first feeding port, and the sixth feeding point is connected to the second feeding port; the phase difference between the fifth feeding point and the sixth feeding point is 180 degrees.
8. The antenna module of claim 7, wherein the first radiating element, the second radiating element and the third radiating element are all square sheet structures, and the two one-to-three power dividers are respectively a first power divider and a second power divider;
the first power divider comprises a first power division section and a second power division section; the second power divider comprises a third power division segment and a fourth power division segment;
the first feed point is connected with the first power distribution section through a first impedance transformation transmission section; the second feeding point is connected with the third power distribution section through a second impedance transformation transmission section; the third feeding point is connected with the first power distribution section through a third impedance transformation transmission section; the fourth feeding point is connected with the third power distribution section through a fourth impedance transformation transmission section; the fifth feeding point is connected with the second power distribution section through a fifth impedance transformation transmission section; the sixth feeding point is connected with the fourth power distribution section through a sixth impedance transformation transmission section;
the line length of the first impedance transformation transmission section, the second impedance transformation transmission section, the third impedance transformation transmission section and the fourth impedance transformation transmission section is d 1; the line length of the fifth impedance transformation transmission segment and the sixth impedance transformation transmission segment is d2, where d2 is d1+ λ/2, and λ is the wavelength of the signal received by the antenna module.
9. An antenna characterized in that it comprises at least one antenna module according to any one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123340748.0U CN216671913U (en) | 2021-12-27 | 2021-12-27 | Antenna module and antenna |
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| CN202123340748.0U CN216671913U (en) | 2021-12-27 | 2021-12-27 | Antenna module and antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826397A (en) * | 2023-08-29 | 2023-09-29 | 中兴通讯股份有限公司 | array antenna |
| CN118003655A (en) * | 2024-04-08 | 2024-05-10 | 福昌精密制品（深圳）有限公司 | Method for assembling antenna structure of microwave base station |
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2021
- 2021-12-27 CN CN202123340748.0U patent/CN216671913U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826397A (en) * | 2023-08-29 | 2023-09-29 | 中兴通讯股份有限公司 | array antenna |
| CN116826397B (en) * | 2023-08-29 | 2024-04-16 | 中兴通讯股份有限公司 | Array antenna |
| CN118003655A (en) * | 2024-04-08 | 2024-05-10 | 福昌精密制品（深圳）有限公司 | Method for assembling antenna structure of microwave base station |
| CN118003655B (en) * | 2024-04-08 | 2024-07-23 | 福昌精密制品（深圳）有限公司 | Method for assembling antenna structure of microwave base station |
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