CN214203939U

CN214203939U - Supporting seat and radiation unit applying same

Info

Publication number: CN214203939U
Application number: CN202023181911.9U
Authority: CN
Inventors: 黄勇; 李昕岳
Original assignee: Shenzhen Grentech Corp ltd
Current assignee: Shenzhen Grentech Corp ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-14
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a supporting seat and a radiation unit applying the supporting seat, wherein the supporting seat comprises a bottom plate, two supporting structures and two positioning structures; the supporting structure comprises a first supporting piece arranged at the top of the bottom plate and two second supporting pieces formed at two sides of the first supporting piece, the first supporting piece is provided with a through hole, the through hole extends to the bottom of the bottom plate, a space for inserting a cable is formed between the through hole and the two second supporting pieces, the two second supporting pieces are used for being welded to an outer conductor of the cable, and supporting columns are respectively installed at the tops of the two second supporting pieces; the positioning structure comprises a positioning piece arranged at the top of the bottom plate and a positioning column arranged at the top of the positioning piece; the tops of the second supporting pieces of the two supporting structures and the tops of the positioning pieces of the two positioning structures form a platform for supporting the radiator, and the supporting columns of the two supporting structures are used for penetrating and being welded in the corresponding first welding holes of the radiator. The utility model discloses simple structure, it is small, light in weight.

Description

Supporting seat and radiation unit applying same

[ technical field ] A method for producing a semiconductor device

The utility model relates to a base station antenna field, concretely relates to supporting seat and applied radiating element of this kind of supporting seat.

[ background of the invention ]

A base station antenna is a device for a radio system to transmit and receive electromagnetic waves, and a radiating element is the most basic form constituting the antenna. With the maturity of the 4G technology and the rapid development of the 5G technology in mobile communication, the multi-frequency and miniaturization of the antenna are developed at present, the size of the antenna is reduced, the distance between the radiating elements is reduced, the electromagnetic interference of the antenna is increased, and the indexes of standing wave ratio, isolation, half-power beam width and the like are deteriorated, so that the miniaturization of the radiating element is a precondition. The supporting seat is the main structure spare of radiating element, and present supporting seat is the integration die-casting design usually with the irradiator of radiating element, and the structure is complicated, and is small, and weight is heavy, can't support the variability of irradiator.

[ Utility model ] content

The main object of the utility model is to provide a radiating element of supporting seat and applied this kind of supporting seat, simple structure, small, light in weight.

In order to achieve the above object, a first aspect of the present invention provides a supporting seat, including a bottom plate, two supporting structures and two positioning structures, wherein the two supporting structures and the two positioning structures are arranged on the top of the bottom plate; the supporting structure comprises a first supporting piece arranged at the top of the bottom plate and two second supporting pieces formed at two sides of the first supporting piece, the first supporting piece is provided with a through hole, the through hole extends to the bottom of the bottom plate, a space for inserting a cable is formed between the through hole and the two second supporting pieces, the two second supporting pieces are used for being welded to an outer conductor of the cable, and supporting columns are respectively installed at the tops of the two second supporting pieces; the positioning structure comprises a positioning piece arranged at the top of the bottom plate and a positioning column arranged at the top of the positioning piece; the top of two bearing structure's second support piece and the top of two location structure's setting element form the platform that is used for supporting the irradiator, two bearing structure's support column are arranged in wearing to establish and weld the first welding hole of the correspondence of irradiator, two location structure's reference column is arranged in wearing to establish and welds the second welding hole of the correspondence of irradiator.

As a preferred technical solution, the inner wall of the second support extends to the top of the first support so that the inner wall of the second support is flush with the inner wall of the first support; the inner wall of second support piece is equipped with bellied welding part, the welding part is used for welding to the outer conductor of cable, the one end of welding part with the top parallel and level of second support piece, the other end with form the vacancy between the through-hole of first support piece.

As a preferred technical solution, the top of the second supporting member has a first mounting hole for mounting the supporting column, and the top of the positioning member has a second mounting hole for mounting the positioning column.

As a preferred technical scheme, a tin guide groove is formed in the outer wall of the second support member at a position close to the top of the second support member, the tin guide groove extends to the top of the second support member and is communicated with the first mounting hole to expose the outer wall of the support column, and the two tin guide grooves of each support structure are respectively used for corresponding to one pad at the bottom of the radiator.

As a preferred technical solution, the supporting seat further includes a screw hole provided to the bottom of the bottom plate, the screw hole extends to the top of the bottom plate and is located between the two positioning structures, and the screw hole is used for mounting the supporting seat to the reflection plate by screw thread.

As the preferred technical scheme, the supporting seat is still including setting up two installation reference columns of bottom plate both sides, the one end of installation reference column with the top parallel and level of bottom plate, the other end orientation is kept away from the direction of bottom plate bottom extends, the installation reference column is used for right the installation of supporting seat is fixed a position.

The technical solution provided by the second aspect of the present invention is to provide a radiation unit, which includes a plate-shaped radiator and a support seat, wherein the support seat includes a bottom plate, and two support structures and two positioning structures disposed on the top of the bottom plate; the supporting structure comprises a first supporting piece arranged at the top of the bottom plate and two second supporting pieces formed at two sides of the first supporting piece, the first supporting piece is provided with a through hole, the through hole extends to the bottom of the bottom plate, a space for inserting a cable is formed between the through hole and the two second supporting pieces, the two second supporting pieces are used for being welded to an outer conductor of the cable, and supporting columns are respectively installed at the tops of the two second supporting pieces; the positioning structure comprises a positioning piece arranged at the top of the bottom plate and a positioning column arranged at the top of the positioning piece; the top of two bearing structure's second support piece and the top of two location structure's setting element form and are used for supporting the platform of irradiator, the irradiator is shelved the platform, two bearing structure's support column is worn to establish and is welded to in the corresponding first welding hole of irradiator, two location structure's reference column is worn to establish and is welded to in the corresponding second welding hole of irradiator.

As a preferable technical scheme, the working frequency band of the radiation unit is 3300MHz-3800 MHz; the radiator is also provided with a third welding hole for the inner conductor of the cable to penetrate through and be welded.

As a preferred technical solution, the top of the second supporting member has a first mounting hole for mounting the supporting column, and the top of the positioning member has a second mounting hole for mounting the positioning column; the outer wall of second support piece is equipped with at the position that is close to its top and leads the molten tin bath, lead the molten tin bath extend to the top of second support piece and with first mounting hole intercommunication is in order to expose the outer wall of support column, two of every bearing structure lead the molten tin bath respectively with a pad of irradiator bottom corresponds.

The utility model provides a supporting seat, simple structure, it is small, light in weight, can guarantee the roughness and the welded fastness of irradiator to can support the irradiator of the platelike structure of different radiation areas, satisfied different radiation demands, the commonality is strong, simultaneously every bearing structure realizes welding with the outer conductor of cable through two second support piece, can not needn't carry out whole circle welding, welding operation is convenient, has reduced the soldering tin volume, has reduced manufacturing cost; the utility model provides a radiating element also has characteristics such as simple structure, small, light in weight, with low costs, has satisfied the miniaturized design demand of radiating element.

[ description of the drawings ]

To further disclose the specific technical content of the present disclosure, please refer to the attached drawings, wherein:

fig. 1 is a schematic structural diagram of a radiation unit according to an embodiment of the present invention;

FIG. 2 is a schematic view of a bottom angle of the radiating element shown in FIG. 1;

fig. 3 is a schematic top view of a radiator of the radiating element shown in fig. 1;

FIG. 4 is a schematic view of a supporting base of the radiation unit shown in FIG. 1;

FIG. 5 is a schematic top view of the support base of the radiation unit shown in FIG. 1;

FIG. 6 is a schematic view of a bottom angle of a support base of the radiation unit shown in FIG. 1;

fig. 7 is a schematic structural view of the cable.

Description of the symbols:

radiator 10

Dielectric substrate 12 radiation patch 14a

Radiation sheet 14b radiation sheet 14c

Radiation sheet 14d

First welding hole 16 and second welding hole 18

Third solder via 20 feed bridge 222

Recess 142a of radiation piece 14a recess 142d of radiation piece 14d

First strip feed 224 and second strip feed 226

Pad 24

Bottom plate 41 of support base 40

Support structure 42 first support 422

Through hole 4222 second support 424

Soldering portion 4242 tin guiding groove 4244

Support post 426 positioning structure 44

Positioning element 442 positioning column 444

Screw hole 46 is provided with a positioning column 48

Cable 60

Insulator 62 outer conductor 64

Inner conductor 66

[ detailed description ] embodiments

Referring to fig. 1 and 2, the present embodiment provides a radiating unit including a plate-shaped radiator 10 and a support 40 for mounting the radiator 10. The working frequency range of the radiation unit is 3300MHz (megahertz) -3800MHz, and the frequency range is high.

As shown in fig. 3, the radiator 10 includes a dielectric substrate 12 having a square shape and four

radiation fins

14a, 14b, 14c, 14d provided to the top of the dielectric substrate 12. The radiation plate 14a and the radiation plate 14b are disposed opposite to each other. The radiation plate 14c and the radiation plate 14d are disposed opposite to each other. The four radiating

patches

14a, 14b, 14c, 14d constitute two half-wave dipoles with orthogonal polarizations.

Two of the four

radiation pieces

14a, 14b, 14c, 14d, which are oppositely arranged, 14a, 14b are located on one diagonal line of the dielectric substrate 12, the two

radiation pieces

14a, 14b are electrically connected through a feed bridge 222, one end of the feed bridge 222 is integrated with one of the radiation pieces 14b, and the other end of the feed bridge extends into the groove 142a of the other radiation piece 14a to realize coupling feeding of the radiation piece 14 a; the other two oppositely arranged

radiation pieces

14c and 14d are located on the other diagonal line of the dielectric substrate 12, the two

radiation pieces

14c and 14d are electrically connected through a first strip feed portion 224 and a second strip feed portion 226, one end of the first strip feed portion 224 is located in the groove 142d of one radiation piece 14d to realize coupling feeding of the radiation piece 14d, the other end of the first strip feed portion is opposite to the second strip feed portion 226, the second strip feed portion 226 is integrated with the other radiation piece 14c, the feed bridge 222 is located between the first strip feed portion 224 and the second strip feed portion 226 and is not in contact with the first strip feed portion 224 and the second strip feed portion 226, and coupling feeding is performed between the first strip feed portion 224 and the second strip feed portion 226.

With the above structure, the radiator 10 is in the form of the dielectric substrate 12 plus the

radiation pieces

14a, 14b, 14c, 14d, the feed bridge 222 is integrated with one of the radiation pieces 14b, and the first strip-shaped feed portion 224 and the second strip-shaped feed portion 226 are adopted, so that the volume and the weight of the radiation unit can be reduced, the feed bridge 222 is integrated with one of the radiation pieces 14b, the feed bridge 222 does not need to be produced separately, and the production cost can be saved.

As shown in fig. 4 to 6, the support base 40 includes a bottom plate 41, and two support structures 42 and two positioning structures 44 provided to the top of the bottom plate 41. Two support structures 42 and two positioning structures 44 are located on either side of the top of the base plate 41, as shown in figure 5. Two of the support structures 42 correspond to two adjacent ones of the radiating

patches

14a, 14d, and two of the locating structures 44 correspond to two other adjacent ones of the radiating

patches

14c, 14 b.

The support structure 42 includes a first support 422 provided to the top of the base plate 41 and two second supports 424 formed to both sides of the first support 422. The first support members 422 of the two support structures 42 are connected to each other to form an "8" shape, as shown in fig. 5. It will be appreciated that the first supports 422 of the two support structures 42 may be unconnected to each other.

The first support 422 has a through hole 4222, the through hole 4222 extends to the bottom of the base plate 41, and a space for inserting the cable 60 is formed between the through hole 4222 and the two second supports 424. Two second supporters 424 are for soldering to the outer conductor 64 of the cable 60 and support posts 426 are mounted on the tops of the two second supporters 424, respectively.

The positioning structure 44 includes a positioning member 442 provided to the top of the base plate 41 and a positioning post 444 mounted to the top of the positioning member 442. The positioning post 444 serves to position the radiator 10.

The top of the second supports 424 of the two support structures 42 and the top of the spacers 442 of the two positioning structures 44 form a platform for supporting the radiator 10, to which the radiator 10 rests.

As shown in fig. 3, the radiator 10 is provided with a first soldering hole 16 and a second soldering hole 18. The number of the first welding holes 16 corresponds to the number of the support posts 426, i.e., four, and the number of the second welding holes 18 corresponds to the number of the positioning posts 444, i.e., two. The support posts 426 of the two support structures 42 are inserted through and welded to the corresponding first welding holes 16 of the radiator 10, and the positioning posts 444 of the two positioning structures 44 are inserted through and welded to the corresponding second welding holes 18 of the radiator 10. The radiator 10 is further provided with a third soldering hole 20 through which the inner conductor 66 of the cable 70 is passed and soldered. The number of third welding holes 20 corresponds to the number of cables 60, i.e. two, and the two third welding holes 20 correspond to the spaces of the two support structures 42, respectively. Referring to fig. 7, the cables 60 are coaxial cables, each cable 60 includes an insulator 62, an outer conductor 64 disposed in the insulator 62, and an inner conductor 66 disposed in the outer conductor 64, a distal end of the outer conductor 64 extends from a distal end of the insulator 62, and a distal end of the inner conductor 66 extends from a distal end of the outer conductor 64, when the cable 60 is actually mounted to the radiating unit, two cables 60 are first inserted into spaces of two support structures 42, respectively, such that the distal end of the insulator 62 of each cable 60 is located in the through hole 4222 of the corresponding support structure 42, such that the outer conductor 64 of each cable 60 is located between two second supports 424 of the corresponding support structure 42, such that the inner conductor 66 of each cable 60 is inserted into the corresponding third welding hole 20 of the radiator 10, respectively, and then the outer conductor 64 of each cable 60 is welded to the two second supports 424 of the corresponding support structure 42, when the two cables 60 are completely installed by welding the inner conductor 66 of each cable 60 into the corresponding third welding hole 20, in practical application, the outer conductors 64 of the two cables 60 can respectively feed the radiation plates 14a and 14b and the radiation plates 14c and 14d of the radiator 10 through the two second supports 424 welded together and the two support columns 426 mounted to the two second supports 424, and the inner conductors 66 of the two cables 60 can directly feed the radiation plates 14a and 14b and the radiation plates 14c and 14d of the radiator 10 through the feed bridge 222, the first strip feed 224 and the second strip feed 226.

The first 16, second 18, and third 20 solder apertures may be provided as metalized vias.

The supporting seat 40 of the present invention supports the radiator 10 through the platform formed by the two supporting structures 42 and the two positioning structures 44, and is welded and fixed together with the radiator 10 through the supporting columns 426 and the positioning columns 444, which is simple in structure, small in size, light in weight, capable of ensuring the flatness and welding firmness of the radiator 10, and capable of supporting radiators of plate-like structures in different radiation areas, satisfying different radiation requirements, and strong in versatility, and forming a space for inserting the cable 60 between the through hole 4222 of each supporting structure 42 and the two second supporting members 424, and supporting the outer conductor 64 of the cable 60 through the two second supporting members 424, thereby saving materials, reducing the weight of the supporting seat 40, and meanwhile, each supporting structure 42 is welded with the outer conductor 64 of the cable 60 through the two second supporting members 424, and can avoid welding the whole circle, the welding operation is convenient, the soldering tin amount is reduced, and the production cost is reduced.

In this embodiment, it is preferable that the inner wall of the second support 424 extends to the top of the first support 422 so that the inner wall of the second support 424 is flush with the inner wall of the first support 422. The inner wall of the second support 424 is provided with a raised weld 4242, the weld 4242 is for welding to the outer conductor 64 of the cable 60, and the shape of the weld 4242 is adapted to the outer wall of the outer conductor 64 of the cable 60. One end of the welding portion 4242 is flush with the top of the second support 424, and the other end forms a vacant space with the through hole 4222 of the first support 422. Through this kind of structure, every bearing structure 42 only realizes welding with the outer conductor 64 of cable 60 through the welding part 4242 of two second support pieces 424, can further reduce the soldering tin volume, conveniently carries out welding operation, and the steerable soldering tin volume of vacancy that sets up has further reduced manufacturing cost.

The top of the second support 424 has a first mounting hole for mounting the support column 426, and the support column 426 is mounted to the first mounting hole. The top of the positioning member 442 has a second mounting hole for mounting the positioning post 444, and the positioning post 444 is mounted to the second mounting hole.

The outer wall of the second support member 424 is provided with solder guiding grooves 4244 near the top thereof, the solder guiding grooves 4244 extend to the top of the second support member 424 and communicate with the first mounting hole to expose the outer wall of the supporting column 426, two solder guiding grooves 4244 of each supporting structure 42 respectively correspond to one soldering pad 24 at the bottom of the radiator 10, as shown in fig. 2, and the soldering pad 24 is specifically arranged at the bottom of the dielectric substrate 12. Preferably, the two solder cups 4244 of each support structure 42 correspond to the two ends of the corresponding pad 24 of the radiator 10, respectively. The solder pieces in the solder guiding grooves 4244 are respectively connected with the outer walls of the corresponding pads 24 and the corresponding support columns 426 in a welding mode. The tin guide grooves 4244 are arranged to introduce the molten soldering tin piece to the corresponding bonding pad 24 and the outer wall of the corresponding support column 426, after the soldering tin piece is welded with the bonding pad 24 and the corresponding support column 426, the two tin guide grooves 4244 can be conducted into a whole through the bonding pad 24, and then the two support columns 426 can be conducted into a whole, so that the stability of the electrical performance of the radiator 10 is guaranteed.

The support base 40 of the present invention further includes a screw hole 46 formed at the bottom of the bottom plate 41 and two mounting positioning columns 48 formed at both sides of the bottom plate 41. The screw hole 46 extends to the top of the bottom plate 41 and is located between the two positioning structures 44, and the screw hole 46 is used for mounting the support base 40 to the reflection plate in a threaded manner, so that the assembly and disassembly are convenient. One end of the mounting positioning column 48 is flush with the top of the bottom plate 41, and the other end extends in a direction away from the bottom of the bottom plate 41, and the mounting positioning column 48 is used for positioning the mounting of the supporting seat 40.

In this embodiment, the bottom plate 41 of the supporting seat 40 is circular, the diameter of the bottom plate 41 is not greater than 16 mm, the height of the bottom plate 41 is not greater than 18 mm, and the size of the supporting seat 40 can be further reduced.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A supporting seat is characterized by comprising a bottom plate, two supporting structures and two positioning structures, wherein the two supporting structures and the two positioning structures are arranged at the top of the bottom plate; the supporting structure comprises a first supporting piece arranged at the top of the bottom plate and two second supporting pieces formed at two sides of the first supporting piece, the first supporting piece is provided with a through hole, the through hole extends to the bottom of the bottom plate, a space for inserting a cable is formed between the through hole and the two second supporting pieces, the two second supporting pieces are used for being welded to an outer conductor of the cable, and supporting columns are respectively installed at the tops of the two second supporting pieces; the positioning structure comprises a positioning piece arranged at the top of the bottom plate and a positioning column arranged at the top of the positioning piece; the top of two bearing structure's second support piece and the top of two location structure's setting element form the platform that is used for supporting the irradiator, two bearing structure's support column are arranged in wearing to establish and weld the first welding hole of the correspondence of irradiator, two location structure's reference column is arranged in wearing to establish and welds the second welding hole of the correspondence of irradiator.

2. The support nest of claim 1, wherein the inner wall of the second support extends to the top of the first support such that the inner wall of the second support is flush with the inner wall of the first support; the inner wall of second support piece is equipped with bellied welding part, the welding part is used for welding to the outer conductor of cable, the one end of welding part with the top parallel and level of second support piece, the other end with form the vacancy between the through-hole of first support piece.

3. The support base of claim 1, wherein the top of the second support member has a first mounting hole for mounting the support post, and the top of the positioning member has a second mounting hole for mounting the positioning post.

4. The cradle of claim 3, wherein the outer wall of the second support member is provided with a solder guiding groove near the top thereof, the solder guiding groove extends to the top of the second support member and is communicated with the first mounting hole to expose the outer wall of the support post, and the two solder guiding grooves of each support structure are respectively used for corresponding to one pad at the bottom of the radiator.

5. The support bracket of claim 1 further comprising a threaded hole provided to the bottom of the base plate, the threaded hole extending to the top of the base plate and located between the two locating structures, the threaded hole for threadably mounting the support bracket to a reflector plate.

6. The support base of claim 1, further comprising two mounting posts disposed on either side of the base plate, one end of the mounting posts being flush with the top of the base plate and the other end extending away from the bottom of the base plate, the mounting posts being configured to position the mounting of the support base.

7. A radiation unit comprises a platy radiator and a supporting seat, and is characterized in that the supporting seat comprises a bottom plate, two supporting structures and two positioning structures, wherein the two supporting structures and the two positioning structures are arranged at the top of the bottom plate; the supporting structure comprises a first supporting piece arranged at the top of the bottom plate and two second supporting pieces formed at two sides of the first supporting piece, the first supporting piece is provided with a through hole, the through hole extends to the bottom of the bottom plate, a space for inserting a cable is formed between the through hole and the two second supporting pieces, the two second supporting pieces are used for being welded to an outer conductor of the cable, and supporting columns are respectively installed at the tops of the two second supporting pieces; the positioning structure comprises a positioning piece arranged at the top of the bottom plate and a positioning column arranged at the top of the positioning piece; the top of two bearing structure's second support piece and the top of two location structure's setting element form and are used for supporting the platform of irradiator, the irradiator is shelved the platform, two bearing structure's support column is worn to establish and is welded to in the corresponding first welding hole of irradiator, two location structure's reference column is worn to establish and is welded to in the corresponding second welding hole of irradiator.

8. The radiating element of claim 7, wherein the operating frequency band of the radiating element is 3300MHz-3800 MHz; the radiator is also provided with a third welding hole for the inner conductor of the cable to penetrate through and be welded.

9. The radiating element of claim 7, wherein the inner wall of the second support extends to the top of the first support such that the inner wall of the second support is flush with the inner wall of the first support; the inner wall of second support piece is equipped with bellied welding part, the welding part is used for welding to the outer conductor of cable, the one end of welding part with the top parallel and level of second support piece, the other end with form the vacancy between the through-hole of first support piece.

10. The radiant unit of claim 7, wherein the top of the second support member has a first mounting hole for mounting the supporting pillar, and the top of the positioning member has a second mounting hole for mounting the positioning pillar; the outer wall of second support piece is equipped with at the position that is close to its top and leads the molten tin bath, lead the molten tin bath extend to the top of second support piece and with first mounting hole intercommunication is in order to expose the outer wall of support column, two of every bearing structure lead the molten tin bath respectively with a pad of irradiator bottom corresponds.