Antenna structure and base station
By installing a passive component outside the casing and extending the passive antenna beyond the casing, the antenna structure enhances signal radiation and gain, addressing the narrow radiation surface issue without adding elements or increasing size or weight, and ensuring waterproof sealing.
Patent Information
- Application Number
- CN202310732229.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-19
- Publication Date
- 2024-12-20
AI Technical Summary
Existing antenna structures in base stations have a narrow signal radiation surface, limiting signal coverage and transmission distance, especially in 5G communication technology, while increasing the number of antenna elements complicates the structure and is limited by the casing.
The antenna structure installs a passive component outside the casing, extending the outer peripheral edge of the passive antenna beyond the casing, using a sealing plate to ensure waterproof sealing and a support plate for installation, without adding elements, thus expanding the signal radiation area and improving gain.
Expands signal radiation area and improves gain without increasing volume or weight, simplifying the structure and ensuring waterproof sealing, while maintaining the same power consumption.
Smart Images
Figure CN119171047A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of communication electronic technology, and in particular to an antenna structure and a base station. Background Art
[0002] With the advent of the information society and the rapid development of wireless communication technology, human development has higher and higher requirements for signal transmission rate and coverage. Especially with the advent of the fifth-generation communication technology, the transmission distance of communication equipment has been greatly limited due to the increase in frequency bands. While ensuring that the power consumption of base station equipment remains unchanged, how to expand the signal coverage of the antenna structure has become the top priority at present.
[0003] In response to the signal coverage requirements of base stations, the antenna structure usually increases the number of antenna elements of the passive unit to improve the gain of the base station equipment and increase the transmission distance. However, this method has a complex structure, and the passive unit is always limited by the casing, and the signal radiation surface is still narrow.
[0004] Application Contents
[0005] The main purpose of this application is to propose an antenna structure and a base station, aiming to solve the technical problem of narrow signal radiation surface of the antenna structure and the base station in the prior art.
[0006] To achieve the above objectives, the present application proposes an antenna structure, which includes:
[0007] An active component, the active component comprising a housing and a support plate, one side of the housing having a mounting opening, the support plate being located in the housing and disposed at the mounting opening;
[0008] A passive component, the passive component is installed outside the housing, the passive component includes a passive antenna and a cover arranged outside the passive antenna, the cover has a cover opening on a side facing the housing, and the outer peripheral edge of the passive antenna extends out of the outer peripheral edge of the housing;
[0009] A sealing plate is installed between the housing and the cover and seals the installation opening and the cover opening.
[0010] The present application also proposes a base station, which is applied with the antenna structure as described above.
[0011] In the antenna structure of the present application, the passive component is installed outside the casing, so that the passive component is not limited by the casing, and the outer peripheral edge of the passive antenna extends out of the outer peripheral edge of the casing, increasing the size of the passive antenna to expand the signal radiation area of the passive antenna, thereby expanding the signal radiation area of the base station. In addition, the antenna structure of the present application can expand its signal radiation area and improve the gain of the passive antenna by installing the passive component outside the casing and extending the outer peripheral edge of the passive antenna out of the outer peripheral edge of the casing, without adding antenna elements, thereby simplifying the structure of the antenna structure. In addition, the antenna structure of the present application installs the passive component outside the casing, and the signal radiation area of the passive antenna can be expanded without increasing the volume and weight of the active component, thereby improving the gain of the passive antenna. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.
[0013] Figure 1 This is a three-dimensional exploded schematic diagram of an antenna structure according to an embodiment of the present application;
[0014] Figure 2 It is a schematic side view of an antenna structure according to an embodiment of the present application.
[0015] Description of Figure Numbers:
[0016] Label name Label name 100 Antenna structure 121a Raised 10 Active components 20 Passive Components 11 chassis 21 Passive Antenna 111 Mounting port 22 Cover 112 First fold 221 Cover 113 Heat dissipation teeth 222 Second fold 114 Heat sink 30 Sealing plate 1141 Cooling holes 31 Hollow area 12 Support plate 32 Mounting slot 121 Connectors 40 Sealing ring
[0017] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0019] It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application, the directional indications are only used to explain the position of the user in a certain posture (such as the attached Figure 1 and Figure 2The relative position relationship, movement status, etc. between the various components under the specific posture are shown. If the specific posture changes, the directional indication will also change accordingly.
[0020] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.
[0021] In this application, the descriptions of directions such as "upper", "lower", "front", "back", "left", and "right" are as follows: Figure 1 The directions shown are for reference only and are used to explain the Figure 1 The relative position relationship between the components in the shown posture. If the specific posture changes, the directional indication will also change accordingly.
[0022] The present application proposes an antenna structure 100 .
[0023] like Figure 1 and Figure 2 As shown, in one embodiment, the antenna structure 100 includes an active component 10, a passive component 20 and a sealing plate 30, wherein the active component 10 includes a housing 11 and a support plate 12, one side of the housing 11 has an installation opening 111, the support plate 12 is located in the housing 11 and is arranged at the installation opening 111; the passive component 20 is installed outside the housing 11, the passive component 20 includes a passive antenna 21 and a cover 22 covering the outside of the passive antenna 21, the cover 22 has a cover opening 221 on the side facing the housing 11, and the outer peripheral edge of the passive antenna 21 extends out of the outer peripheral edge of the housing 11; the sealing plate 30 is installed between the housing 11 and the cover 22 and seals the installation opening 111 and the cover opening 221.
[0024] The antenna structure 100 of the present application can be applied in a base station, and specifically can be applied to a 5G base station. Specifically, in the antenna structure 100 of the present application, the passive component 20 is located above the active component 10. In the active component 10, the upper side of the housing 11 has an installation port 111, and the support plate 12 is located in the housing 11 and installed at the installation port 111, which supports and strengthens the housing 11 and facilitates the installation of the sealing plate 30 and the passive component 20. The passive component 20 is installed outside the housing 11, so that it is not limited by the housing 11, and the size can be flexibly set according to the use requirements. The passive component 20 includes a passive antenna 21 and a cover 22, and the cover 22 is covered outside the passive antenna 21 to protect the passive antenna 21. It can be understood that the cover 22 does not affect the signal of the passive antenna 21. The lower side of the cover 22 has a cover 221, which is convenient for installation with the sealing plate 30. The sealing plate 30 is installed between the housing 11 and the cover 22 , and seals the installation opening 111 and the cover opening 221 , thereby effectively ensuring waterproof sealing of the active component 10 and the passive component 20 .
[0025] In the antenna structure 100 of the present application, the passive component 20 is installed outside the housing 11, so that the passive component 20 is not limited by the housing 11, and the outer peripheral edge of the passive antenna 21 extends out of the outer peripheral edge of the housing 11, increasing the size of the passive antenna 21 to expand the signal radiation area of the passive antenna 21, thereby expanding the signal radiation area of the base station. In addition, the antenna structure 100 of the present application can expand its signal radiation area and improve the gain of the passive antenna 21 by installing the passive component 20 outside the housing 11 and extending the outer peripheral edge of the passive antenna 21 out of the outer peripheral edge of the housing 11, without adding antenna elements, simplifying the structure of the antenna structure 100. In addition, the antenna structure 100 of the present application installs the passive component 20 outside the housing 11, and the signal radiation area of the passive antenna 21 can be expanded without increasing the volume and weight of the active component 10, thereby improving the gain of the passive antenna 21.
[0026] In one embodiment, a connector 121 is disposed on the support plate 12 , and a hollow area 31 is formed on the sealing plate 30 at a position corresponding to the connector 121 . The connector 121 passes through the hollow area 31 and is detachably connected to the passive antenna 21 .
[0027] like Figure 1 and Figure 2 As shown, a connector 121 is provided on the upper side of the support plate 12, and a hollow area 31 is formed on the sealing plate 30. The hollow area 31 is provided corresponding to the connector 121. The connector 121 can pass through the hollow area 31 and be detachably connected to the passive antenna 21, thereby realizing the assembly of the passive antenna 21, the support plate 12 and the sealing plate 30, and the structural design is reasonable and simple.
[0028] In one embodiment, the connecting member 121 is a protrusion 121 a protruding from the supporting plate 12 , and a connecting hole detachably connected to the protrusion 121 a is provided at a position of the passive antenna 21 corresponding to the protrusion 121 a .
[0029] like Figure 1 and Figure 2 As shown, the protrusion 121a is located on the upper side of the support plate 12 and is arranged to protrude upward. A connection hole that is detachably connected to the protrusion 121a is provided at the position of the passive antenna 21 corresponding to the protrusion 121a, so as to facilitate disassembly and assembly. In one embodiment, the protrusion 121a is a screw mounting column, and the screw mounting column is fastened to the passive antenna 21 by means of a screw passing through the connecting hole. The screw and the screw mounting column are fastened to facilitate the connection between the passive antenna 21 and the support plate 12. In another embodiment, the protrusion 121a is a buckle, and the connecting hole is a snap hole. The buckle and the snap hole are snap-fitted to realize the rapid disassembly and assembly of the passive antenna 21 and the support plate 12. In other embodiments, the protrusion 121a is a latch, and the connecting hole is a socket. The latch and the socket are plugged together to realize the rapid disassembly and assembly of the passive antenna 21 and the support plate 12. The connection method between the passive antenna 21 and the support plate 12 in the antenna structure 100 of the present application can be flexibly set according to actual needs, and the antenna structure 100 of the present application does not limit the connection method between the passive antenna 21 and the support plate 12.
[0030] In one embodiment, there are multiple protrusions 121a, which are arranged in an array, and the number of connecting holes is consistent with the number of protrusions 121a and they are detachably connected in a one-to-one correspondence. Figure 1 and Figure 2 As shown, the plurality of protrusions 121 a are arranged in a plurality of rows and columns, the number of the connection holes is consistent with the number of the protrusions 121 a and they are detachably connected one by one, thereby improving the structural stability of the antenna structure 100 .
[0031] In one embodiment, the side of the sealing plate 30 facing the cover 22 is recessed toward the housing 11 to form a mounting groove 32, and a hollow area 31 is formed at the bottom of the mounting groove 32. The passive antenna 21 is installed in the mounting groove 32. Figure 1 As shown, the upper side of the sealing plate 30 is recessed downward to form a mounting groove 32, and the passive antenna 21 is installed in the mounting groove 32. The structure is compact, and a hollow area 31 is formed at the bottom of the mounting groove 32 for the connector 121 to pass through and connect with the passive antenna 21. The structure is ingenious and reasonable.
[0032] In one embodiment, the housing 11 forms a first folded edge 112 folded outward on the periphery of the side where the mounting opening 111 is located, and the first folded edge 112 abuts against and seals the sealing plate 30. Specifically, the mounting opening 111 is located on the upper side of the housing 11, and the periphery of the upper side of the housing 11 forms a first folded edge 112 folded outward. The provision of the first folded edge 112 facilitates abutment and sealing with the sealing plate 30, thereby ensuring the waterproof sealing of the antenna structure 100.
[0033] Furthermore, the first folded edge 112 is a multi-stage structure or an annular closed structure arranged around the outer circumference of the installation opening 111 . The first folded edge 112 is sealed with the sealing plate 30 through a sealing ring 40 to improve the waterproof sealing performance of the antenna structure 100 .
[0034] In one embodiment, the cover 22 forms a second folded edge 222 folded outwardly at the periphery of the side where the cover opening 221 is located, and the second folded edge 222 abuts against and seals with the sealing plate 30. Specifically, the cover opening 221 is located at the lower side of the cover 22, and the outer periphery of the lower side of the cover 22 forms a second folded edge 222 folded outwardly. The second folded edge 222 is conveniently abutted against and sealed with the sealing plate 30 to ensure the waterproof sealing of the antenna structure 100.
[0035] Furthermore, the second folded edge 222 is a multi-stage structure or an annular closed structure arranged around the outer circumference of the cover 221 . The second folded edge 222 is sealed with the sealing plate 30 through another sealing ring 40 to improve the waterproof sealing of the antenna structure 100 .
[0036] The sealing plate 30 is detachably connected to the casing 11. In one embodiment, the sealing plate 30 can be connected to the casing 11 by back-driving screws, which is simple, convenient and easy to assemble. In another embodiment, the sealing plate 30 is connected to the casing 11 by a snap connection. In other embodiments, the sealing plate 30 is connected to the casing 11 by a latch connection. The connection method between the sealing plate 30 and the casing 11 of the antenna structure 100 of the present application can be flexibly set according to actual needs, and the connection method between the sealing plate 30 and the casing 11 of the antenna structure 100 of the present application is not limited.
[0037] In one embodiment, a plurality of heat dissipation teeth 113 are arranged at intervals on the outer wall of the housing 11, and a heat dissipation gap is formed between any two adjacent heat dissipation teeth 113, which is conducive to heat dissipation and ensures the normal operation of the active component 10. A heat dissipation plate 114 is also arranged outside the housing 11, and the heat dissipation plate 114 is connected to the heat dissipation teeth 113, and the heat dissipation plate 114 is provided with heat dissipation holes 1141 at the positions corresponding to the heat dissipation gaps. The arrangement of the heat dissipation plate 114 can support, protect and strengthen the housing 11, and because the heat dissipation teeth 113 are connected to the heat dissipation plate 114, the heat dissipation teeth 113 can transfer heat through the heat dissipation plate 114, which is conducive to heat dissipation, and the heat dissipation plate 114 is provided with heat dissipation holes 1141 at the positions corresponding to the heat dissipation gaps, which is further conducive to heat dissipation.
[0038] In one embodiment, the housing 11 is a rectangular housing, the passive antenna 21 is a rectangular plate, and the four edges of the passive antenna 21 extend out of the four edges of the housing 11 correspondingly.
[0039] like Figure 1 and Figure 2 As shown, the housing 11 is set to a rectangular shell structure, and then the passive antenna 21 is set to a rectangular plate structure, which is easy to manufacture and assemble, and the four edges of the passive antenna 21 correspond to the four edges of the housing 11, that is, the front edge, rear edge, left edge and right edge of the passive antenna 21 correspond to the front edge, rear edge, left edge and right edge of the housing 11, respectively, so that the size of the passive antenna 21 is fully and fully expanded, thereby greatly expanding the signal radiation area of the passive antenna 21.
[0040] The present application also proposes a base station, which uses the above-mentioned antenna structure 100. The specific structure of the antenna structure 100 used in the base station refers to the above-mentioned embodiment. Since the base station adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here. In one embodiment, the base station may be a 5G base station.
[0041] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. All equivalent structural changes made using the contents of the present application specification and drawings under the application concept of the present application, or direct / indirect application in other related technical fields are included in the patent protection scope of the present application.
Claims
1. An antenna structure, characterized in that: The antenna structure comprises: An active component, the active component comprising a housing and a support plate, one side of the housing having a mounting opening, the support plate being located in the housing and disposed at the mounting opening; A passive component, the passive component is installed outside the housing, the passive component includes a passive antenna and a cover arranged outside the passive antenna, the cover has a cover opening on a side facing the housing, and the outer peripheral edge of the passive antenna extends out of the outer peripheral edge of the housing; A sealing plate is installed between the housing and the cover and seals the installation opening and the cover opening.
2. The antenna structure according to claim 1, characterized in that: A connecting piece is arranged on the supporting plate, a hollow area is formed on the sealing plate at a position corresponding to the connecting piece, and the connecting piece passes through the hollow area and is detachably connected to the passive antenna.
3. The antenna structure according to claim 2, characterized in that: The connecting member is a protrusion protruding from the supporting plate, and a connecting hole which is detachably connected to the protrusion is provided at a position of the passive antenna corresponding to the protrusion.
4. The antenna structure according to claim 3, characterized in that: The number of the protrusions is multiple, and the multiple protrusions are arranged in an array. The number of the connecting holes is consistent with the number of the protrusions and they are detachably connected in a one-to-one correspondence.
5. The antenna structure according to claim 2, characterized in that: The protrusion is a screw mounting column, and the screw mounting column is fastened to the passive antenna by a screw passing through the connecting hole.
6. The antenna structure according to claim 2, characterized in that: The sealing plate is recessed toward the housing on one side facing the cover to form a mounting groove, the bottom of the mounting groove is formed with the hollow area, and the passive antenna is mounted in the mounting groove.
7. The antenna structure according to any one of claims 1 to 5, characterized in that: The housing forms a first folded edge folded outwardly on the outer periphery of the side where the installation opening is located, and the first folded edge abuts against and seals against the sealing plate; and / or, The cover is formed with a second folded edge folded outwardly at the outer periphery of the side where the cover opening is located, and the second folded edge abuts against the sealing plate and is sealed.
8. The antenna structure according to any one of claims 1 to 5, characterized in that: A plurality of heat dissipation teeth arranged at intervals are arranged on the outer wall of the casing, and a heat dissipation gap is formed between any two adjacent heat dissipation teeth; a heat dissipation plate is also arranged outside the casing, the heat dissipation plate is connected to the heat dissipation teeth, and the heat dissipation plate is provided with heat dissipation holes at the positions corresponding to the heat dissipation gaps.
9. The antenna structure according to any one of claims 1 to 5, characterized in that: The housing is in the form of a rectangular housing, the passive antenna is in the form of a rectangular plate, and the four peripheral edges of the passive antenna extend out of the four peripheral edges of the housing respectively.
10. A base station, characterized in that: The base station is applied with the antenna structure according to any one of claims 1 to 9.