CN220209282U - Dielectric resonator with reconfigurable directional diagram and electronic equipment - Google Patents
Dielectric resonator with reconfigurable directional diagram and electronic equipment Download PDFInfo
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- CN220209282U CN220209282U CN202321237890.9U CN202321237890U CN220209282U CN 220209282 U CN220209282 U CN 220209282U CN 202321237890 U CN202321237890 U CN 202321237890U CN 220209282 U CN220209282 U CN 220209282U
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Abstract
The utility model provides a dielectric resonator with a reconfigurable directional diagram and electronic equipment, the dielectric resonator with the reconfigurable directional diagram comprises a dielectric substrate, a fixing member, a cross-shaped DRA, a microstrip feed, a feed column and a balun, wherein coaxial feed is arranged on the dielectric substrate, a first fixing position and a second fixing position are arranged around the coaxial feed, the cross-shaped DRA is installed on the first fixing position or the second fixing position through the fixing member, the cross-shaped DRA is coaxial with the coaxial feed, the microstrip feed is installed on the second surface of the dielectric substrate, the feed column is installed in the dielectric substrate, the first end of the feed column penetrates through the first surface of the dielectric substrate to be connected with the cross-shaped DRA, the second end of the feed column penetrates through the second surface of the dielectric substrate to be connected with the microstrip feed, the balun is installed on the second surface of the dielectric substrate to be connected with the microstrip feed, switching between two states of left-hand circular polarization and right-hand circular polarization is achieved, communication flexibility is enhanced, and receiving performance is improved.
Description
Technical Field
The present utility model relates to the field of electronic devices, and in particular, to a dielectric resonator with a reconfigurable pattern and an electronic device.
Background
In different application scenarios in real life, different patterns are required for wireless communication or signal detection to optimize wireless system performance. For example, in 5G millimeter wave terminals, a wide beam is required to achieve spatial elevation scan coverage; whereas in 5G base stations the low frequencies require a cone beam to achieve optimal coverage; a flat-top beam or a complementary cutting beam is needed in the airborne radar detection to realize the ground scanning optimization; two-way beams are needed to realize communication in occasions such as tunnels/unidirectional channels/coal mines and the like; the router, the mobile phone, and the wearable device need the omni-directional beam electronic device to achieve the maximum coverage.
While existing antennas or devices are not free to switch other forms of beams, it is difficult to achieve the optimal solution for communication in the various situations mentioned above.
Disclosure of Invention
The main object of the present utility model is to provide a dielectric resonator and an electronic device with reconfigurable pattern, which solve the above-mentioned problems.
The utility model provides a dielectric resonator with a reconfigurable directional diagram, which comprises a dielectric substrate, a fixing component, a cross-shaped DRA, a microstrip feed, a feed column and a balun, wherein the dielectric substrate is provided with coaxial feed, a first fixing position and a second fixing position are arranged around the coaxial feed, the fixing component is used for being installed on the first fixing position or the second fixing position, the cross-shaped DRA is installed on the first surface of the dielectric substrate through the fixing component and is located above the coaxial feed, the cross-shaped DRA is coaxial with the coaxial feed, the microstrip feed is installed on the second surface of the dielectric substrate, the feed column is installed in the dielectric substrate, the first end of the feed column penetrates through the first surface of the dielectric substrate to be connected with the cross-shaped DRA, the second end of the feed column penetrates through the second surface of the dielectric substrate to be connected with the microstrip feed, and the balun is installed on the first surface of the dielectric substrate to be connected with the microstrip feed.
Preferably, the first fixing position includes eight fixing holes surrounding the coaxial feed, the fixing members are provided with eight fixing members, the eight fixing members are detachably installed in the eight fixing holes respectively, the eight fixing holes are grouped into two groups, and each two fixing members are clamped on a flank of the cross-shaped DRA respectively.
Preferably, the second fixing position and the first fixing position adopt the same structure, wherein the arrangement position of the fixing holes of the second fixing position is offset by 30 ° compared with the first fixing position.
Preferably, the coaxial feed comprises a shaft post, a sleeve and a ring, wherein the shaft post is installed in the medium substrate, the first end of the shaft post penetrates out of the first surface of the medium substrate, the sleeve is sleeved at the first end of the shaft post, the second section of the shaft post penetrates out of the second surface of the medium substrate, and the ring is installed on the second surface of the medium substrate and is coaxial with the shaft post.
Preferably, the sleeve has a height of 3mm, the collar has a height of 1mm, the first end of the axle post extending out of the first surface has the same height as the sleeve, and the second end of the axle post extending out of the second surface has the same height as the collar.
Preferably, the cross-shaped DRA comprises two rectangular DRAs which are vertically and crosswise spliced, and the rectangular DRAs are provided with notches with the same height as the sleeve.
Preferably, the microstrip feed includes a first type microstrip and a second type microstrip, the feed columns are four, the four feed columns are respectively connected with two ends of the two rectangular DRAs, two ends of the first type microstrip are respectively connected with first ends of the two rectangular DRAs through the two feed columns, and two ends of the second type microstrip are respectively connected with second ends of the two rectangular DRAs through the two feed columns.
Preferably, the balun is connected to a first type microstrip and a second type microstrip, respectively.
The utility model provides in a second aspect an electronic device comprising a pattern reconfigurable dielectric resonator of any of the above aspects.
The utility model has the beneficial effects that: the utility model provides a dielectric resonator and electronic equipment that pattern can be reconstructed, this pattern can be reconstructed dielectric resonator include dielectric substrate, fixed component, cross DRA, microstrip feed, feed post and balun, be equipped with coaxial feed on the dielectric substrate, coaxial feed is equipped with first fixed position and second fixed position around, fixed component is used for installing in first fixed position or second fixed position, cross DRA passes through fixed component and installs in first fixed position or second fixed position, cross DRA is arranged in on the first surface of dielectric substrate and is located coaxial feed's top, cross department and coaxial feed of cross DRA, the feed is installed on the second surface of dielectric substrate, the feed post is installed in the dielectric substrate, the first end of feed post passes the first surface of dielectric substrate and is connected with cross DRA, the second end of feed post passes the second surface of dielectric substrate and is connected with the microstrip, the balun is installed on the second surface of dielectric substrate and is located coaxial feed, the microstrip polarization switching between two kinds of circular polarization and microstrip polarization are realized, the microstrip polarization switching is carried out to the microstrip and is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is an exploded view of an embodiment of the present utility model;
FIG. 3 is a schematic diagram showing the distribution of the first fixed position and the second fixed position according to an embodiment of the present utility model;
FIG. 4 is a bottom view of an embodiment of the present utility model;
FIG. 5 is a graph showing the comparison of two circularly polarized axes according to an embodiment of the present utility model;
FIG. 6 is a 3D pattern of left-hand circular polarization in an embodiment of the present utility model;
fig. 7 is a right-hand circularly polarized 3D pattern according to an embodiment of the present utility model.
The reference numbers in the figures are as follows:
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs.
The terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, the dielectric resonator with reconfigurable pattern provided in the first aspect of the present utility model includes a dielectric substrate 100, a fixing member 200, a cross DRA300, a microstrip feed 400, a feed post 500, and a balun 600, where the dielectric substrate 100 is provided with a coaxial feed 101, the coaxial feed 101 is provided with a first fixing position 102 and a second fixing position 103, the fixing member 200 is used for being mounted at the first fixing position 102 or the second fixing position 103, the cross DRA300 is mounted at the first fixing position 102 or the second fixing position 103 through the fixing member 200, the cross DRA300 is disposed on a first surface 1001 of the dielectric substrate 100 and is located above the coaxial feed 101, a cross junction of the cross DRA300 is coaxial with the coaxial feed 101, the microstrip feed 400 is mounted on a second surface 1002 of the dielectric substrate 100, the feed post 500 is mounted in the dielectric substrate 100, a first end of the feed post 500 passes through the first surface 1001 of the dielectric substrate 100 and is connected with the cross DRA300, a second end of the feed post 500 passes through the second surface 1002 of the dielectric substrate 100 and is connected with the microstrip feed 400 and is mounted on the microstrip feed surface 400.
Further, the first fixing location 102 includes eight fixing holes 104 surrounding the coaxial feed 101, and the fixing members 200 are provided with eight fixing members 200, and the eight fixing members 200 are detachably mounted in the eight fixing holes 104, where the eight fixing holes 104 are grouped into two groups, and each two fixing members 200 are respectively clamped on a side wing of the cross-shaped DRA 300.
Specifically, the fixing members 200 are structures such as a tack rivet or a tack screw, and the functions of the tack structures of the two fixing members 200 are respectively used as a set of clamping structures to clamp one side wing of the cross-shaped DRA300 when the tack structures are fixed in the fixing holes 104, and the cross-shaped DRA300 has four side wings, so that when the cross-shaped DRA300 is clamped and fixed, the cross-shaped DRA300 needs to be clamped by the four sets of clamping structures.
Further, the second fixing position 103 adopts the same structure as the first fixing position 102, wherein the arrangement position of the fixing holes 104 of the second fixing position 103 is offset by 30 ° from the first fixing position 102.
As shown in fig. 3, the first fixing location 102 is actually a set of eight fixing holes 104 uniformly surrounding the coaxial feed 101, and the second fixing location 103 is the same as the first fixing location 102, which is unique in that the second fixing location 103 has an offset angle a compared with the first fixing location 102, in this embodiment, the offset angle a is 30 °, as shown in fig. 5, both the left-hand circular polarization and the right-hand circular polarization can cover the 5G frequency band, as can be seen in fig. 6 and fig. 7, the patterns of the left-hand circular polarization and the right-hand circular polarization are different, so on the dielectric resonator with the reconfigurable patterns, the switching of the patterns can be realized only by changing the fixing direction of the cross DRA300, the flexibility of the communication system is enhanced, and in some cases, the wireless communication system needs to adjust the transmission polarization mode for a specific scene or task. The use of reconfigurable dielectric resonators allows for switching between the left-hand and right-hand circular polarization states without requiring replacement of the antenna, thereby enhancing the flexibility of the communication system, or in some applications, one polarization may be more suitable for receiving signals than the other due to the special nature of the signal transmission path. By switching the polarization mode of the dielectric resonator, the optimal reception polarization mode can be selected, thereby improving reception performance.
Further, the coaxial feed 101 includes a shaft post 1011, a sleeve 1012, and a ring 1013, the shaft post 1011 is mounted in the dielectric substrate 100, a first end of the shaft post 1011 passes through the first surface 1001 of the dielectric substrate 100, the sleeve 1012 is sleeved on the first end of the shaft post 1011, a second section of the shaft post 1011 passes through the second surface 1002 of the dielectric substrate 100, and the ring 1013 is mounted on the second surface 1002 of the dielectric substrate 100 and is coaxial with the shaft post 1011.
Further, the sleeve 1012 has a height of 3mm, the collar 1013 has a height of 1mm, the shaft 1011 extends through the first end of the first surface 1001 at the same height as the sleeve 1012, and the shaft 1011 extends through the second end of the second surface 1002 at the same height as the collar 1013.
Further, the cross-shaped DRA300 includes two rectangular DRAs 301 that are vertically cross-spliced, and the rectangular DRAs 301 are provided with notches 302 that have the same height as the bushings 1012.
Further, the microstrip feed 400 includes a first type microstrip 401 and a second type microstrip 402, the feed columns 500 are four, the four feed columns 500 are respectively connected with two ends of the two rectangular DRAs 301, two ends of the first type microstrip 401 are respectively connected with first ends of the two rectangular DRAs 301 through the two feed columns 500, and two ends of the second type microstrip 402 are respectively connected with second ends of the two rectangular DRAs 301 through the two feed columns 500.
Further, the balun 600 is connected to the first type microstrip 401 and the second type microstrip 402, respectively.
In a second aspect of the utility model, an electronic device is provided, which comprises a dielectric resonator with a reconfigurable pattern according to any one of the above aspects.
The foregoing is merely exemplary of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the inventive concept, which fall within the scope of the utility model.
Claims (9)
1. A dielectric resonator with a reconfigurable pattern, comprising:
the coaxial power supply device comprises a dielectric substrate, wherein coaxial power supply is arranged on the dielectric substrate, and a first fixed position and a second fixed position are arranged around the coaxial power supply;
a securing member for mounting on the first securing location or the second securing location;
the cross-shaped DRA is arranged on the first fixed position or the second fixed position through a fixed component, is arranged on the first surface of the medium substrate and is positioned above the coaxial feed, and the cross-shaped crossing part of the cross-shaped DRA is coaxial with the coaxial feed;
the microstrip feed is arranged on the second surface of the dielectric substrate;
the feed column is arranged in the dielectric substrate, a first end of the feed column penetrates through the first surface of the dielectric substrate to be connected with the cross-shaped DRA, and a second end of the feed column penetrates through the second surface of the dielectric substrate to be connected with the microstrip feed;
and the balun is arranged on the second surface of the dielectric substrate and is connected with the microstrip feed.
2. The dielectric resonator of claim 1, wherein the first fixing location comprises eight fixing holes surrounding the coaxial feed, the fixing members are provided with eight fixing members, the eight fixing members are detachably mounted in the eight fixing holes respectively, the eight fixing holes are in a group of two, and each two fixing members are clamped on a flank of the cross-shaped DRA respectively.
3. The pattern reconfigurable dielectric resonator of claim 2, wherein the second fixed location is the same structure as the first fixed location, wherein the fixed holes of the second fixed location are arranged at a30 ° offset from the first fixed location.
4. The pattern reconfigurable dielectric resonator of claim 1, wherein the coaxial feed comprises a post mounted in the dielectric substrate, a sleeve having a first end extending out of the first surface of the dielectric substrate, and a collar disposed over the first end of the post, a second section of the post extending out of the second surface of the dielectric substrate, and the collar is mounted to the second surface of the dielectric substrate and coaxial with the post.
5. The pattern reconfigurable dielectric resonator of claim 4, wherein the sleeve has a height of 3mm and the loop has a height of 1mm, the post extending through the first end of the first surface to the same height as the sleeve, and the post extending through the second end of the second surface to the same height as the loop.
6. The dielectric resonator with reconfigurable pattern according to claim 5, wherein the cross-shaped DRA comprises two rectangular DRAs that are vertically cross-spliced, and the rectangular DRAs are provided with notches with the same height as the sleeve.
7. The dielectric resonator with reconfigurable pattern according to claim 6, wherein the microstrip feed comprises a first type microstrip and a second type microstrip, the feed columns are four, the four feed columns are respectively connected with two ends of the two rectangular DRAs, two ends of the first type microstrip are respectively connected with the first ends of the two rectangular DRAs through the two feed columns, and two ends of the second type microstrip are respectively connected with the second ends of the two rectangular DRAs through the two feed columns.
8. The pattern reconfigurable dielectric resonator of claim 7, wherein the balun is connected to a first microstrip and a second microstrip, respectively.
9. An electronic device comprising a dielectric resonator according to any of claims 1-8, wherein the pattern is reconfigurable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321237890.9U CN220209282U (en) | 2023-05-19 | 2023-05-19 | Dielectric resonator with reconfigurable directional diagram and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321237890.9U CN220209282U (en) | 2023-05-19 | 2023-05-19 | Dielectric resonator with reconfigurable directional diagram and electronic equipment |
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| CN220209282U true CN220209282U (en) | 2023-12-19 |
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| CN202321237890.9U Active CN220209282U (en) | 2023-05-19 | 2023-05-19 | Dielectric resonator with reconfigurable directional diagram and electronic equipment |
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- 2023-05-19 CN CN202321237890.9U patent/CN220209282U/en active Active
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