CN210668691U

CN210668691U - Antenna oscillator

Info

Publication number: CN210668691U
Application number: CN201921545916.XU
Authority: CN
Inventors: 张宏中; 陈俊霖
Original assignee: Foshan Anjiexin Communication Equipment Co ltd
Current assignee: Foshan Anjiexin Communication Equipment Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-02
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses an antenna element, including the reflecting plate, the radiating plate with install the feed dielectric slab on the reflecting plate and be connected with the radiating plate, the feed dielectric slab includes support column and backup pad, the support column has at least three and wherein three support column to be triangular distribution, the lower extreme of each support column is installed on the reflecting plate, the backup pad links together all support columns, and the higher authority of backup pad sets up in the centre of support column and forms the holding surface that supports the radiating plate, be provided with the first through-hole that the top that supplies the support column passed on the radiating plate, the top of support column is passed first through-hole and is made the holding surface support radiating plate have a determining deviation on the reflecting plate and with the reflecting plate, and the support column is equipped with the feeder circuit between radiating plate and reflecting plate. Compared with the prior art, the utility model discloses simplify the antenna element structure, optimized the feed dielectric-slab, made the feed dielectric-slab have feed, supporting role.

Description

Antenna oscillator

Technical Field

The utility model relates to a mobile communication antenna technical field especially relates to an antenna element structure.

Background

Referring to chinese patent 201610860981.6, the existing microstrip oscillator structure mostly adopts four-point feeding, and the supporting radiating element mostly uses 4 supporting columns, and in addition, four feeding columns are needed to feed the radiating element, if the structure needs to be guided (refer to chinese patent CN201811423770.1), then 3 to 4 supporting columns need to be continuously installed on the radiating surface to support the guider. These support structures lead to a bulky structure of the transducer, which is not conducive to production and assembly.

Therefore, there is a high necessity for an antenna element that can solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an antenna element has greatly simplified antenna element structure, mounting means, has optimized the structure of feed dielectric-slab very much, makes feed dielectric-slab have feed, supporting role.

In order to realize the purpose, the utility model discloses an antenna oscillator, which comprises a reflecting plate, a radiation plate and a feed dielectric plate which is arranged on the reflecting plate and connected with the radiation plate, the feed dielectric plate comprises at least three support columns and a support plate, wherein three support columns are distributed in a triangular mode, the lower end of each support column is installed on the reflecting plate, the support plate connects all the support columns together, the upper edges of the supporting plates are arranged in the middle of the supporting columns in the same height and form a supporting surface for supporting the radiation plate, the radiation plate is provided with a first through hole for the top end of the supporting column to pass through, the top end of the supporting column passes through the first through hole, the supporting surface supports the radiation plate on the reflection plate and has a certain distance with the reflection plate, and the supporting column is provided with a feed circuit between the radiation plate and the reflection plate.

Compared with the prior art, the utility model discloses structure to the feed dielectric-slab has been optimized, makes the feed dielectric-slab have feed, supporting role, specifically, the feed dielectric-slab carries out the feed through the feeder circuit on the support column, then couples together the support column and support the radiation panel through the backup pad, not only makes the stable in structure of feed dielectric-slab, can also play sufficient supporting role, does benefit to simultaneously and realizes four-point feed mode, has improved the gain.

Preferably, the top of the supporting column is arranged at the same height, and can be used for supporting other components such as a guide oscillator medium plate.

Specifically, the antenna element further comprises a guide element dielectric plate, and the top of the supporting column supports the element dielectric plate, so that the guide element dielectric plate is mounted on the radiation plate at a certain interval. Simple structure avoids resetting the support column.

More specifically, the top of support column still protruding be equipped with the cross-sectional area be less than the reference column of support column, draw to offer on the oscillator dielectric-slab with the reference column cooperation and supply the second through-hole that the reference column passed, the reference column cooperation passes the second through-hole and partly stretches out draw to the oscillator dielectric-slab, just the part that the reference column stretches out draw to the oscillator dielectric-slab is provided with draw to oscillator dielectric-slab welded pad.

More specifically, the supporting plate is further convexly provided with a positioning column, the guide oscillator dielectric plate is provided with a second through hole which is matched with the positioning column and is used for the positioning column to pass through, the guide oscillator dielectric plate is arranged on the radiation plate at a certain interval, the positioning column is matched with the second through hole to pass through and partially extend out of the guide oscillator dielectric plate, and a welding pad which is welded with the guide oscillator dielectric plate is arranged on the part of the positioning column extending out of the guide oscillator dielectric plate.

More specifically, the supporting plate is connected with the supporting column and extends outwards for a certain distance, and the positioning column is convexly arranged on the outer side of the supporting column or the tail end of the supporting plate and has a certain distance with the supporting column.

Preferably, a radiator is laid on the radiation plate, an annular groove corresponding to the support pillar having the feeder circuit is formed in the radiator, the first through hole is formed in the radiator in the annular groove, so that the feeder circuit is welded to the radiator in the annular groove, and a capacitor structure is formed between the radiator in the annular groove and the radiator outside the annular groove.

Preferably, the support columns are four and rectangular, and four corners of each support column are arranged to form two groups of diagonally arranged support columns, the two support plates are arranged in a crossed manner, and the two support plates are respectively connected with the two groups of diagonally arranged support columns.

Preferably, four of the support columns are arranged at four corners of a rectangle, and each support column is provided with a feed line so as to form four feed points on the radiation plate.

Preferably, the lower edge of the supporting plate is arranged at the same height and higher than the lower end of the supporting column, so that pins are formed by extending the lower part of the supporting column relative to the supporting plate, and the reflecting plate is provided with third through holes in fit connection with the pins.

Drawings

Fig. 1 is a schematic structural diagram of the antenna element according to the first embodiment of the present invention.

Fig. 2 is an exploded schematic view of the antenna element according to the first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the feeding dielectric plate according to the first embodiment of the present invention.

Fig. 4 is a schematic structural view of the director oscillator dielectric plate according to the first embodiment of the present invention.

Fig. 5 is a schematic structural view of the radiation plate according to the first embodiment of the present invention.

Fig. 6 is a schematic structural diagram of the feeding dielectric plate according to the second embodiment of the present invention.

Fig. 7 is a schematic structural view of the director oscillator dielectric plate according to the second embodiment of the present invention.

Fig. 8 is a schematic structural diagram of the antenna element according to the second embodiment of the present invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

Referring to fig. 1 to 3, the present invention discloses an antenna element 100, including a reflection plate 10, a radiation plate 20 and a feeding dielectric plate 30 installed on the reflection plate 10 and connected to the radiation plate 20, the feeding dielectric plate 30 includes supporting pillars 31 and a supporting plate 32, the supporting pillars 31 have at least three and at least three supporting pillars 31 that are non-linear distribution, that is, at least three supporting pillars 31 are triangular distribution, each of the lower ends of the supporting pillars 31 is installed on the reflection plate 10, the supporting plate 32 connects all the supporting pillars 31 together, and the upper edge of the supporting plate 32 is disposed at the middle of the supporting pillars 31 at the same height and forms a supporting surface for supporting the radiation plate 20, a first through hole 24 (as shown in fig. 5) for the top end of the supporting pillar 31 to pass through is provided on the radiation plate 20, the top end of the supporting pillar 31 passes through the first through hole 24 and makes the supporting surface support the radiation plate 20 on the reflection plate 10 and a certain distance from the reflection plate 10, and the supporting column 31 is provided with a feeding line 33 between the radiation plate 20 and the reflection plate 10.

Referring to fig. 1, 2 and 4, the top of the supporting pillar 31 is disposed at the same height, the antenna element 100 further includes a director dielectric plate 40, and the top of the supporting pillar 31 supports the element dielectric plate 40, so that the director dielectric plate 40 is mounted on the radiation plate 20 at a certain distance.

Referring to fig. 1 to 4, a positioning column 34 is further convexly disposed on the supporting plate 32, a second through hole 41 is formed in the leading-to oscillator dielectric plate 40, the second through hole is matched with the positioning column 34 and allows the positioning column 34 to pass through, the leading-to oscillator dielectric plate 40 is mounted on the radiation plate 20 at a certain interval, the positioning column 34 is matched with the second through hole 41 and partially extends out of the leading-to oscillator dielectric plate 40, a bonding pad 35 is disposed on a portion of the positioning column 34 extending out of the leading-to oscillator dielectric plate 40, a bonding pad 42 welded and matched with the bonding pad 35 is disposed on the leading-to oscillator dielectric plate 40, and the positioning column 34 partially passes through the leading-to oscillator dielectric plate 40 and welds the bonding pad 35 and the bonding pad 42 together.

The supporting plate 32 is connected to the supporting column 31 and extends outward for a certain distance, the positioning column 34 is protruded at the end of the supporting plate 32, and of course, the positioning column 34 may also be protruded in the middle of the supporting plate 32 and located outside the supporting column 31, and a certain distance is provided between the positioning column 34 and the supporting column 31.

Referring to fig. 2 and 5,

radiators

22 and 23 are laid on a radiation plate 20, an annular groove 21 corresponding to the support pillar 31 having a feed line 33 is formed on the

radiators

22 and 23, the first through hole 24 is formed in the radiator 22 in the annular groove 21, so that the feed line 33 is welded to the radiator 22 in the annular groove 21, and a capacitor structure is formed between the radiator 22 in the annular groove 21 and the radiator 23 outside the annular groove 21. That is, the radiation plate 20 has a copper-clad radiator.

Referring to fig. 3, in the present embodiment, four support columns 31 are rectangular and arranged at four corners to form two sets of diagonally arranged support columns 31, two support plates 32 are crosswise arranged, and two support plates 32 are respectively connected to two sets of diagonally arranged support columns 31. Of course, the supporting columns 31 may be arranged in other manners, and the supporting plates 32 may also be four and sequentially connect four supporting columns 31, and the specific structure is not limited to the structure shown in fig. 3. Of course, the number of the supporting columns 31 is not limited to 3 or 4, but may also be 5 or 6, and needs to be set according to actual needs. The feeder lines 33 are not provided on each of the support columns 31, and the number and the arrangement positions of the feeder lines 33 need to be provided on some or all of the support columns 31.

Wherein, a feeding line 33 is disposed on each of the supporting columns 31 to form four feeding points on the radiating plate 20.

Referring to fig. 1 and 3, the lower edge of the supporting plate 32 is disposed at the same height and higher than the lower end of the supporting column 31, so that pins 311 are formed by extending below the supporting column 31 relative to the supporting plate 32, and the reflective plate 10 is provided with third through holes in fit connection with the pins 32.

In this embodiment, the supporting plate 32 is a flat plate without gaps and spaces along the longitudinal direction, but the supporting plate 32 may also be a fence plate with spaced holes or a plurality of strip-shaped plates arranged along the longitudinal direction of the supporting column 31 at certain intervals.

Referring to fig. 6 to 8, in order to achieve the second embodiment of the present invention, an antenna element with another structure is disclosed, which is different from the positioning column 34 in the first embodiment, in this embodiment, a positioning column 34 ' with a cross-sectional area smaller than that of the supporting column 31 is further protruded on the top of the supporting column 31 of the antenna element 100 ', a second through hole 41 ' which is matched with the positioning column 34 ' and is used for the positioning column 34 ' to pass through is opened on the leading element dielectric plate 30 ', the positioning column 34 ' is matched to pass through the second through hole 41 ' and partially protrudes out of the leading element dielectric plate 40 ', and a bonding pad 42 ' (as shown in fig. 7) welded with the leading element dielectric plate 40 ' is provided on a portion of the positioning column 34 ' protruding out of the leading element dielectric plate 40 '.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims

1. An antenna element, includes reflecting plate, radiation board and install in on the reflecting plate and with the feed dielectric plate that the radiation board is connected, its characterized in that: the feed dielectric slab comprises support columns and support plates, the number of the support columns is at least three, the support columns are distributed triangularly, the lower ends of the support columns are mounted on the reflecting plate, the support plates are used for connecting all the support columns together, the upper edges of the support plates are arranged in the middle of the support columns at equal height and form a support surface for supporting the radiating plate, a first through hole for allowing the top end of the support column to penetrate is formed in the radiating plate, the top end of the support column penetrates through the first through hole and enables the support surface to support the radiating plate on the reflecting plate and have a certain distance with the reflecting plate, and a feed circuit is arranged between the radiating plate and the reflecting plate through the support columns.

2. An antenna element according to claim 1, wherein: the tops of the supporting columns are arranged at the same height.

3. An antenna element according to claim 2, wherein: the radiator comprises a radiator plate and a support pillar, wherein the radiator plate is arranged on the radiator plate, and the top of the support pillar supports the radiator plate so that the radiator plate is arranged on the radiator plate at a certain interval.

4. An antenna element according to claim 3, wherein: the top of support column still protruding be equipped with the cross-sectional area and be less than the reference column of support column, lead to set up on the oscillator dielectric-slab with the reference column cooperation supplies the second through-hole that the reference column passed, the reference column cooperation passes the second through-hole and partly stretches out lead to the oscillator dielectric-slab, just the reference column stretches out the part that leads to the oscillator dielectric-slab be provided with lead to oscillator dielectric-slab welded pad.

5. An antenna element according to claim 3, wherein: the support plate is further convexly provided with a positioning column, a second through hole which is matched with the positioning column and is used for the positioning column to pass is formed in the guide oscillator dielectric plate, the guide oscillator dielectric plate is arranged on the radiation plate at a certain interval, the positioning column is enabled to pass through the second through hole in a matched mode and partially extend out of the guide oscillator dielectric plate, and a welding pad which is welded with the guide oscillator dielectric plate is arranged on the portion, extending out of the guide oscillator dielectric plate, of the positioning column.

6. An antenna element according to claim 5, wherein: the backup pad is connected a distance that extends outward behind the support column, the reference column protruding locate the support column outside or the backup pad is terminal and with have a certain distance between the support column.

7. An antenna element according to claim 1, wherein: the radiator is laid on the radiating plate, an annular groove corresponding to the support column with the feed circuit is formed in the radiator, the first through hole is formed in the radiator in the annular groove, the feed circuit is welded to the radiator in the annular groove, and a capacitor structure is formed between the radiator in the annular groove and the radiator outside the annular groove.

8. An antenna element according to claim 1, wherein: the support column has four and be the support column of rectangle four corners setting in order to form two sets of diagonal settings, the backup pad has two and crossing arrangement, two the backup pad is connected two sets of the support column that the diagonal set up respectively.

9. An antenna element according to claim 1 or 8, wherein: the four support columns are arranged at four corners of the rectangular structure, and each support column is provided with a feed line so as to form four feed points on the radiation plate.

10. An antenna element according to claim 1, wherein: the lower edge of the supporting plate is arranged at the same height and higher than the lower end of the supporting column, so that pins are formed by extending the lower part of the supporting column relative to the supporting plate, and third through holes matched and connected with the pins are formed in the reflecting plate.