A dielectric resonator antenna and a smart electrical appliance

Abstract

This invention relates to the field of smart electrical appliance technology, and particularly discloses a dielectric resonator antenna and a smart electrical appliance, including a substrate, a resonator, a feeding structure, and a power divider assembly. The feeding structure includes a first feeding microstrip, a second feeding microstrip, a third feeding microstrip, a first probe, a second probe, and a third probe. The first probe is connected to the first, second, and third feeding microstrips; the second probe is connected to the first, second, and third feeding microstrips; and the third probe is connected to the first, second, and third feeding microstrips. The power divider assembly includes a first power divider, a second power divider, and a third power divider. The first power divider is connected to the first, second, and third probes; the second power divider is connected to the first, second, and third probes; and the third power divider is connected to the first, second, and third probes. Through the above method, this invention can reduce costs.

Description

Technical Field

[0001] This invention relates to the field of smart electrical appliance technology, and in particular to a dielectric resonator antenna and a smart electrical appliance. Background Technology

[0002] With the technological development of smart appliances, they are gradually entering people's daily lives, bringing more convenience and comfort. People can remotely control and monitor smart appliances through terminal devices.

[0003] However, in the process of implementing the embodiments of the present invention, the inventors discovered that currently, in order to achieve remote control and monitoring of smart appliances, smart appliances use phased array antennas. A phased array uses an array of multiple antenna elements to control the radiation and reception directions of the antenna. By using control elements such as phase shifters, the phase distribution is continuously changed to achieve beam deflection and scanning. However, antennas using phased array architectures are costly. Summary of the Invention

[0004] The main technical problem solved by the embodiments of the present invention is to provide a dielectric resonator antenna that can reduce costs.

[0005] To solve the above-mentioned technical problems, one technical solution adopted by the present invention is to provide a dielectric resonator antenna, comprising:

[0006] substrate;

[0007] A resonator is disposed on the surface of the substrate;

[0008] A power feeding structure includes a first power feeding microstrip, a second power feeding microstrip, a third power feeding microstrip, a first probe, a second probe, and a third probe. The first power feeding microstrip, the second power feeding microstrip, and the third power feeding microstrip are all disposed on the surface of the substrate. The first power feeding microstrip, the second power feeding microstrip, and the third power feeding microstrip are located between the substrate and the resonator. The first probe, the second probe, and the third probe are all disposed on the substrate. The first probe is connected to the first power feeding microstrip, the second power feeding microstrip, and the third power feeding microstrip, respectively. The second probe is connected to the first power feeding microstrip, the second power feeding microstrip, and the third power feeding microstrip, respectively. The third probe is connected to the first power feeding microstrip, the second power feeding microstrip, and the third power feeding microstrip, respectively.

[0009] The power divider assembly includes a first power divider, a second power divider, and a third power divider. The first power divider, the second power divider, and the third power divider are all disposed on the substrate. The first power divider is connected to the first probe, the second probe, and the third probe, respectively. The second power divider is connected to the first probe, the second probe, and the third probe, respectively. The third power divider is connected to the first probe, the second probe, and the third probe, respectively.

[0010] Optionally, the first probe includes a first pin, a second pin, and a third pin. One end of the first pin, one end of the second pin, and one end of the third pin are respectively connected to one end of the first feed microstrip, one end of the second feed microstrip, and one end of the third feed microstrip. The other ends of the first pin, the second pin, and the third pin are respectively connected to the first power divider, the second power divider, and the third power divider.

[0011] The second probe includes a fourth pin, a fifth pin, and a sixth pin. One end of the fourth pin, one end of the fifth pin, and one end of the sixth pin are respectively connected to the middle part of the first feed microstrip, the middle part of the second feed microstrip, and the middle part of the third feed microstrip. The other ends of the fourth pin, the fifth pin, and the sixth pin are respectively connected to the first power divider, the second power divider, and the third power divider.

[0012] The third probe includes a seventh pin, an eighth pin, and a ninth pin; one end of the seventh pin, one end of the eighth pin, and one end of the ninth pin are respectively connected to the other end of the first feed microstrip, the other end of the second feed microstrip, and the other end of the third feed microstrip; the other ends of the seventh pin, the other end of the eighth pin, and the other end of the ninth pin are respectively connected to the first power divider, the second power divider, and the third power divider.

[0013] Optionally, the first power divider is provided with a first output terminal, a second output terminal and a third output terminal, and the first output terminal, the second output terminal and the third output terminal are respectively connected to one end of the first pin, one end of the fourth pin and one end of the seventh pin;

[0014] The second power divider is provided with a fourth output terminal, a fifth output terminal, and a sixth output terminal, which are respectively connected to one end of the second pin, one end of the fifth pin, and one end of the eighth pin.

[0015] The third power divider is provided with a seventh output terminal, an eighth output terminal, and a ninth output terminal. The seventh output terminal, the eighth output terminal, and the ninth output terminal are respectively connected to one end of the third pin, one end of the sixth pin, and one end of the ninth pin.

[0016] Optionally, the first power divider is provided with a first input terminal, which is connected to the first output terminal, the second output terminal and the third output terminal respectively;

[0017] The second power divider is provided with a second input terminal, which is connected to the fourth output terminal, the fifth output terminal and the sixth output terminal respectively;

[0018] The third power divider is provided with a third input terminal, which is connected to the seventh output terminal, the eighth output terminal and the ninth output terminal respectively.

[0019] Optionally, the first power divider is provided with a first RF switch, a second RF switch and a third RF switch, all of which are connected to the first input terminal, and are respectively connected to the first output terminal, the second output terminal and the third output terminal.

[0020] Optionally, the substrate includes a first dielectric layer, a first power divider ground plane, a second dielectric layer, a second power divider ground plane, a third dielectric layer, an antenna ground plane, and a fourth dielectric layer, wherein the first dielectric layer, the first power divider ground plane, the second dielectric layer, the second power divider ground plane, the third dielectric layer, the antenna ground plane, and the fourth dielectric layer are stacked sequentially.

[0021] The resonator, the first feed microstrip, the second feed microstrip, and the third feed microstrip are all disposed on the surface of the fourth dielectric layer away from the antenna ground plane. The first power divider is disposed on the surface of the first dielectric layer away from the first power divider ground plane. The second power divider is disposed on the first dielectric layer, the first power divider ground plane, the second dielectric layer, the second power divider ground plane, and the third dielectric layer. The third power divider is disposed on the first dielectric layer, the first power divider ground plane, and the second dielectric layer.

[0022] Optionally, the first pin, the fourth pin, and the seventh pin all penetrate the first dielectric layer, the first power divider ground plane, the second dielectric layer, the second power divider ground plane, the third dielectric layer, the antenna ground plane, and the fourth dielectric layer and are connected to the first power divider and the first feed microstrip.

[0023] One end of the second pin, one end of the fifth pin, and one end of the eighth pin all extend through the fourth dielectric layer and are connected to the second feed microstrip. The other ends of the second pin, the fifth pin, and the eighth pin all pass through the fourth dielectric layer and the antenna ground plane and are located in the third dielectric layer and are connected to the second power divider.

[0024] One end of the third pin, one end of the sixth pin, and one end of the ninth pin all extend through the fourth dielectric layer and are connected to the third feed microstrip. The other ends of the third pin, the sixth pin, and the ninth pin all pass through the fourth dielectric layer, the antenna ground plane, the third dielectric layer, and the second power divider ground plane, and are located within the second dielectric layer and connected to the power divider strip.

[0025] Optionally, the power supply structure further includes a first anti-interference component, a second anti-interference component, and a third anti-interference component. The first anti-interference component, the second anti-interference component, and the third anti-interference component are disposed between the antenna ground and the first power divider ground. The first anti-interference component surrounds the first pin post, the second pin post, and the third pin post, respectively. The second anti-interference component surrounds the fourth pin post, the fifth pin post, and the sixth pin post, respectively. The third anti-interference component surrounds the seventh pin post, the eighth pin post, and the ninth pin post, respectively.

[0026] Optionally, the first anti-interference component includes a plurality of first anti-interference pillars, a plurality of second anti-interference pillars, and a plurality of third anti-interference pillars. The plurality of first anti-interference pillars are located between the antenna ground plane and the first power divider ground plane, and the plurality of first anti-interference pillars surround the first pin pillar. The plurality of second anti-interference pillars are located within the third dielectric layer, and the plurality of second anti-interference pillars surround the second pin pillar. The plurality of third anti-interference pillars are located between the second power divider ground plane and the antenna ground plane, and the plurality of third anti-interference pillars surround the third pin pillar.

[0027] To solve the above-mentioned technical problems, another technical solution adopted by the present invention is to provide a smart electrical appliance, including the above-mentioned dielectric resonator antenna.

[0028] In this embodiment of the invention, the dielectric resonator antenna includes a substrate, a resonator, a feeding structure, and a power divider assembly. The resonator is disposed on the surface of the substrate. The feeding structure includes a first feeding microstrip, a second feeding microstrip, a third feeding microstrip, a first probe, a second probe, and a third probe. The first, second, and third feeding microstrips are all disposed on the surface of the substrate and are located between the substrate and the resonator. The first, second, and third probes are all disposed on the substrate. The first probe is connected to the first, second, and third feeding microstrips respectively. The second probe is connected to the first, second, and third feeding microstrips respectively. The third probe is connected to the first, second, and third feeding microstrips respectively. The power divider assembly includes a first power divider, a second power divider, and a third power divider, all of which are disposed on the substrate. The first power divider is connected to the first probe, the second probe, and the third probe, respectively. The second power divider is connected to the first probe, the second probe, and the third probe, respectively. The third power divider is connected to the first probe, the second probe, and the third probe, respectively. By controlling the on / off states of the first probe, the second probe, the third probe, the first feed microstrip, the second feed microstrip, and the third feed microstrip by the first power divider, the signal distribution in the E-plane and H-plane of the dielectric resonator antenna is changed, thereby causing beam deflection and forming passive scanning. Compared with antennas using a phased array architecture, this reduces costs. Attached Figure Description

[0029] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments of this application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the structure of the dielectric resonator antenna provided in an embodiment of the present invention;

[0031] Figure 2 This is an exploded view of the structure of the dielectric resonator antenna provided in an embodiment of the present invention;

[0032] Figure 3 This is an exploded view of the substrate structure of the dielectric resonator antenna provided in an embodiment of the present invention;

[0033] Figure 4This is an exploded view of the feeding structure of the dielectric resonator antenna provided in an embodiment of the present invention;

[0034] Figure 5 This is a schematic diagram of the power divider component of the dielectric resonator antenna provided in an embodiment of the present invention;

[0035] Figure 6 This is an exploded view of the power divider component of the dielectric resonator antenna provided in an embodiment of the present invention;

[0036] Figure 7 This is an E-plane azimuth diagram of the dielectric resonator antenna provided in an embodiment of the present invention;

[0037] Figure 8 This is the H-plane azimuth diagram of the dielectric resonator antenna provided in this embodiment of the invention.

[0038] Explanation of reference numerals in the attached figures:

[0039] 100. Dielectric resonator antenna;

[0040] 1. Substrate; 11. First dielectric layer; 12. First power divider ground plane; 13. Second dielectric layer; 14. Second power divider ground plane; 15. Third dielectric layer; 16. Antenna ground plane; 17. Fourth dielectric layer;

[0041] 2. Resonator;

[0042] 3. Power supply structure; 31. First power supply microstrip; 32. Second power supply microstrip; 33. Third power supply microstrip; 34. First probe; 341. First pin post; 342. Second pin post; 343. Third pin post; 35. Second probe; 351. Fourth pin post; 352. Fifth pin post; 353. Sixth pin post; 36. Third probe; 361. Seventh pin post; 362. Eighth pin post; 363. Ninth pin post; 37. First anti-interference component; 371. First anti-interference post; 372. Second anti-interference post; 373. Third anti-interference post; 38. Second anti-interference component; 381. Fourth anti-interference post; 382. Fifth anti-interference post; 383. Sixth anti-interference post; 39. Third anti-interference component; 391. Seventh anti-interference post; 392. Eighth anti-interference post; 393. Ninth anti-interference post;

[0043] 4. Power Divider Components; 41. First Power Divider; 411. First Input Terminal; 412. First RF Switch; 413. Second RF Switch; 414. Third RF Switch; 415. First Output Terminal; 416. Second Output Terminal; 417. Third Output Terminal; 42. Second Power Divider; 421. Second Input Terminal; 4211. First Connecting Post; 4212. First Connecting Piece; 4213. Second Connecting Post; 4214. Second Connecting Piece; 422. Fourth RF Switch 423, 5th RF switch; 424, 6th RF switch; 425, 4th output terminal; 426, 5th output terminal; 427, 6th output terminal; 43, 3rd power divider; 431, 3rd input terminal; 4311, 3rd connecting post; 4312, 3rd connecting piece; 432, 7th RF switch; 433, 8th RF switch; 434, 9th RF switch; 435, 7th output terminal; 436, 8th output terminal; 437, 9th output terminal. Detailed Implementation

[0044] To facilitate understanding of the present invention, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "disposed on" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this specification are for illustrative purposes only.

[0045] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0046] Please see Figure 1 and Figure 2 The dielectric resonator antenna 100 includes a substrate 1, a resonator 2, a feeding structure 3, and a power divider 4. The resonator 2 is disposed on the surface of the substrate 1. The feeding structure 3 is disposed on the substrate 1. The power divider 4 is disposed on the substrate 1 and is connected to the feeding structure 3.

[0047] For substrate 1 mentioned above, please refer to Figure 3The substrate 1 includes a first dielectric layer 11, a first power divider ground plane 12, a second dielectric layer 13, a second power divider ground plane 14, a third dielectric layer 15, an antenna ground plane 16, and a fourth dielectric layer 17, which are stacked sequentially.

[0048] In some embodiments, the first power divider floor 12, the second power divider floor 14, and the antenna floor 16 are all made of metal.

[0049] For resonator 2 mentioned above, please refer to Figure 1 and Figure 2 The resonator 2 is fixed to the surface of the fourth dielectric layer 17 away from the antenna ground 16.

[0050] In some embodiments, the dielectric constant of the resonator 2 is 45, and the length, width, and height of the resonator 2 are 15 mm, 15 mm, and 0.4 mm, respectively.

[0051] For the above-mentioned power supply structure 3, please refer to Figure 4 The feeding structure 3 includes a first feeding microstrip 31, a second feeding microstrip 32, a third feeding microstrip 33, a first probe 34, a second probe 35, a third probe 36, a first anti-interference component 37, a second anti-interference component 38, and a third anti-interference component 39. The first feeding microstrip 31, the second feeding microstrip 32, and the third feeding microstrip 33 are all disposed on the surface of the fourth dielectric layer 17 away from the antenna floor 16. The first probe 34 is disposed on the substrate 1 and is connected to the first feeding microstrip 31, the second feeding microstrip 32, the third feeding microstrip 33, and the power divider component 4. The second probe 35 is disposed on the substrate 1 and is connected to the first feeding microstrip 31, the second feeding microstrip 32, the third feeding microstrip 33, and the power divider component 4. The third probe 36 is disposed on the substrate 1 and is connected to the first feeding microstrip 31, the second feeding microstrip 32, the third feeding microstrip 33, and the power divider component 4. A first anti-interference component 37 is disposed within the substrate 1, surrounding the first probe 34. A second anti-interference component 38 is disposed within the substrate 1, surrounding the second probe 35. A third anti-interference component 39 is disposed within the substrate 1, surrounding the third probe 36.

[0052] For the first probe 34 mentioned above, please refer to Figure 4The first probe 34 includes a first pin 341, a second pin 342, and a third pin 343. The first pin 341 penetrates the first dielectric layer 11, the first power divider ground plane 12, the second dielectric layer 13, the second power divider ground plane 14, the third dielectric layer 15, the antenna ground plane 16, and the fourth dielectric layer 17. One end of the first pin 341 is connected to one end of the first feed microstrip 31, and the other end of the first pin 341 is connected to the power divider assembly 4. One end of the second pin 342 extends out of the fourth dielectric layer 17 and is connected to one end of the second feed microstrip 32. The other end of the second pin 342 passes through the fourth dielectric layer 17 and the antenna ground plane 16, is located within the third dielectric layer 15, and is connected to the power divider assembly 4. One end of the third pin 343 extends through the fourth dielectric layer 17 and connects to one end of the third feed microstrip 33. The other end of the third pin 343 passes through the fourth dielectric layer 17, the antenna floor 16, the third dielectric layer 15, and the second power divider floor 1414, and is located in the second dielectric layer 13 and connected to the power divider assembly 4.

[0053] For the second probe 35 mentioned above, please refer to Figure 4 The second probe 35 includes a fourth pin 351, a fifth pin 352, and a sixth pin 353. The fourth pin 351 penetrates the first dielectric layer 11, the first power divider ground plane 12, the second dielectric layer 13, the second power divider ground plane 14, the third dielectric layer 15, the antenna ground plane 16, and the fourth dielectric layer 17. One end of the fourth pin 351 is connected to the middle of the first feed microstrip 31, and the other end is connected to the power divider assembly 4. One end of the fifth pin 352 extends out of the fourth dielectric layer 17 and is connected to the middle of the second feed microstrip 32. The other end of the fifth pin 352 passes through the fourth dielectric layer 17 and the antenna ground plane 16, is located within the third dielectric layer 15, and is connected to the power divider assembly 4. One end of the sixth pin 353 extends out of the fourth dielectric layer 17 and connects to the middle of the third feed microstrip 33. The other end of the sixth pin 353 passes through the fourth dielectric layer 17, the antenna ground plane 16, the third dielectric layer 15, and the second power divider ground plane 14 and is located in the second dielectric layer 13 and connected to the power divider assembly 4.

[0054] For the third probe 36 mentioned above, please refer to Figure 4The third probe 36 includes a seventh pin 361, an eighth pin 362, and a ninth pin 363. The seventh pin 361 penetrates the first dielectric layer 11, the first power divider ground plane 12, the second dielectric layer 13, the second power divider ground plane 14, the third dielectric layer 15, the antenna ground plane 16, and the fourth dielectric layer 17. One end of the seventh pin 361 is connected to the other end of the first feed microstrip 31, and the other end is connected to the power divider assembly 4. One end of the eighth pin 362 extends out of the fourth dielectric layer 17 and connects to the other end of the second feed microstrip 32. The other end of the eighth pin 362 passes through the fourth dielectric layer 17 and the antenna ground plane 16, is located within the third dielectric layer 15, and is connected to the power divider assembly 4. One end of the ninth pin 363 extends out of the fourth dielectric layer 17 and connects to the other end of the third feed microstrip 33. The other end of the ninth pin 363 passes through the fourth dielectric layer 17, the antenna ground plane 16, the third dielectric layer 15, and the second power divider ground plane 14 and is located in the second dielectric layer 13 and connected to the power divider assembly 4.

[0055] For the first anti-interference component 37 mentioned above, please refer to Figure 4 The first anti-interference component 37 includes a plurality of first anti-interference posts 371, a plurality of second anti-interference posts (not shown), and a plurality of third anti-interference posts 372. The plurality of first anti-interference posts 371 are located between the antenna floor 16 and the first power divider floor 12, surrounding the first pin post 341 to prevent interference to the first pin post 341. The plurality of second anti-interference posts are located within the third dielectric layer 15, surrounding the second pin post 342 to prevent interference to the second pin post 342. The plurality of third anti-interference posts 372 are located between the second power divider floor 14 and the antenna floor 16, surrounding the third pin post 343 to prevent interference to the third pin post 343.

[0056] For the second anti-interference component 38 mentioned above, please refer to Figure 4 The second anti-interference component 38 includes multiple fourth anti-interference posts 381, multiple fifth anti-interference posts (not shown), and multiple sixth anti-interference posts 382. The multiple fourth anti-interference posts 381 are located between the antenna floor 16 and the first power divider floor 12, surrounding the fourth pin post 351 to prevent interference to the fourth pin post 351. The multiple fifth anti-interference posts are located within the third dielectric layer 15, surrounding the fifth pin post 352. The multiple sixth anti-interference posts 382 are located between the second power divider floor 14 and the antenna floor 16, surrounding the sixth pin post 353 to prevent interference to the sixth pin post 353.

[0057] For the third anti-interference component 39 mentioned above, please refer to Figure 4The third anti-interference component 39 includes multiple seventh anti-interference posts 391, multiple eighth anti-interference posts (not shown), and multiple ninth anti-interference posts 392. The multiple seventh anti-interference posts 391 are located between the antenna floor 16 and the first power divider floor 12, surrounding the seventh pin post 361 to prevent interference to the seventh pin post 361. The multiple eighth anti-interference posts are located within the third dielectric layer 15, surrounding the eighth pin post 362. The multiple ninth anti-interference posts 392 are located between the second power divider floor 14 and the antenna floor 16, surrounding the ninth pin post 363 to prevent interference to the ninth pin post 363.

[0058] In some embodiments, the first anti-interference post 371, the second anti-interference post, the third anti-interference post 372, the fourth anti-interference post 381, the fifth anti-interference post, the sixth anti-interference post 382, ​​the seventh anti-interference post 391, the eighth anti-interference post, and the ninth anti-interference post 392 are all made of metal materials.

[0059] For the power distribution component 4 mentioned above, please refer to Figure 5 The power divider assembly 4 includes a first power divider 41, a second power divider 42, and a third power divider 43. The first power divider 41 is disposed on the surface of the first dielectric layer 11 away from the first power divider floor 12, and is connected to the first pin 341, the fourth pin 351, and the seventh pin 361, respectively. The second power divider 42 is disposed on the first dielectric layer 11, the first power divider floor 12, the second dielectric layer 13, the second power divider floor 14, and the third dielectric layer 15, and is connected to the second pin 342, the fifth pin 352, and the eighth pin 362, respectively. The third power divider 43 is disposed on the first dielectric layer 11, the first power divider floor 12, and the second dielectric layer 13, and is connected to the third pin 343, the sixth pin 353, and the ninth pin 363, respectively.

[0060] For the first power divider 41 mentioned above, please refer to... Figure 6 The first power divider 41 is provided with a first input terminal 411, a first RF switch 412, a second RF switch 413, a third RF switch 414, a first output terminal 415, a second output terminal 416, and a third output terminal 417. The first input terminal 411 is connected to the first RF switch 412, the second RF switch 413, and the third RF switch 414. The first RF switch 412 is connected to the first output terminal 415. The second RF switch 413 is connected to the second output terminal 416. The third RF switch 414 is connected to the third output terminal 417. The first output terminal 415 is connected to the first pin 341. The second output terminal 416 is connected to the fourth pin 351. The third output terminal 417 is connected to the seventh pin 361.

[0061] For the second power divider 42 mentioned above, please refer to... Figure 6 The second power divider 42 is provided with a second input terminal 421, a fourth RF switch 422, a fifth RF switch 423, a sixth RF switch 424, a fourth output terminal 425, a fifth output terminal 426, and a sixth output terminal 427. The second input terminal 421 is provided with a first connecting post 4211, a first connecting piece 4212, a second connecting post 4213, and a second connecting piece 4214. The first connecting post 4211 is disposed on the first dielectric layer 11, the first power divider ground plane 12, and the second dielectric layer 13. One end of the first connecting post 4211 extends out of the first dielectric layer 11, and the other end passes through the first dielectric layer 11 and the first power divider ground plane 12 and is located within the second dielectric layer 13. The first connecting piece 4212 is located within the second dielectric layer 13, and one end of the first connecting piece 4212 is connected to the other end of the first connecting post 4211. The second connecting post 4213 is disposed in the second dielectric layer 13, the second power divider ground plane 14, and the third dielectric layer 15. One end of the second connecting post 4213 is located inside the second dielectric layer 13 and connected to the other end of the first connecting piece 4212. The other end of the second connecting post 4213 passes through the second dielectric layer 13 and the second power divider ground plane 14 and is disposed in the third dielectric layer 15. The second connecting piece 4214 is located in the third dielectric layer 15. One end of the second connecting piece 4214 is connected to the other end of the second connecting post 4213. The other end of the second connecting piece 4214 is connected to the fourth RF switch 422, the fifth RF switch 423, and the sixth RF switch 424, respectively. The fourth RF switch 422 is located inside the third dielectric layer 15. The fifth RF switch 423 is located inside the third dielectric layer 15. The sixth RF switch 424 is located inside the third dielectric layer 15 and is connected to the sixth output terminal 427. The fourth output terminal 425 is located within the third dielectric layer 15, and is connected to the fourth RF switch 422 and the second pin 342. The fifth output terminal 426 is located within the third dielectric layer 15, and is connected to the fifth RF switch 423 and the fifth pin 352. The sixth output terminal 427 is located within the third dielectric layer 15, and is connected to the sixth RF switch 424 and the eighth pin 362.

[0062] For the third power divider 43 mentioned above, please refer to Figure 6The third power divider 43 is provided with a third input terminal 431, a seventh RF switch 432, an eighth RF switch 433, a ninth RF switch 434, a seventh output terminal 435, an eighth output terminal 436, and a ninth output terminal 437. The third input terminal 431 is provided with a third connecting post 4311 and a third connecting piece 4312. The third connecting post 4311 is disposed between the first dielectric layer 11, the first power divider ground plane 12, and the second dielectric layer 13. One end of the third connecting post 4311 extends out of the first dielectric layer 11, and the other end passes through the first dielectric layer 11 and the first power divider ground plane 12 and is located within the second dielectric layer 13. The third connecting piece 4312 is located within the second dielectric layer 13, and one end of the third connecting piece 4312 is connected to the other end of the third connecting post 4311. The seventh RF switch 432 is located within the second dielectric layer 13, and the seventh RF switch 432 is connected to the other end of the third connecting piece 4312. The eighth RF switch 433 is located within the second dielectric layer 13, and is connected to the other end of the third connecting piece 4312. The ninth RF switch 434 is located within the second dielectric layer 13, and is connected to the other end of the third connecting piece 4312. The seventh output terminal 435 is located within the second dielectric layer 13, and is connected to the seventh RF switch 432 and the third pin 343. The eighth output terminal 436 is located within the second dielectric layer 13, and is connected to the eighth RF switch 433 and the sixth pin 353. The ninth output terminal 437 is located within the second dielectric layer 13, and is connected to the ninth RF switch 434 and the ninth pin 363.

[0063] Specifically, by switching the first RF switch 412, the second RF switch 413, the third RF switch 414, the fourth RF switch 422, the fifth RF switch 423, the sixth RF switch 424, the seventh RF switch 432, the eighth RF switch 433, and the ninth RF switch 434 on and off, the signal is transmitted from one of the first pin post 341, the second pin post 342, the third pin post 343, the fourth pin post 351, the fifth pin post 352, the sixth pin post 353, the seventh pin post 361, the eighth pin post 362, and the ninth pin post 363 (i.e., the signal is transmitted from one of the first probe 34, the second probe 35, and the third probe 36), and from one of the first feed microstrip 31, the second feed microstrip 32, and the third feed microstrip 33. This changes the signal distribution on the E-plane and H-plane of the dielectric resonator antenna 100, further causing beam deflection and forming passive scanning. The deflection angles of the E-plane and H-plane of the dielectric resonator antenna 100 are as follows: Figure 7 , Figure 8 And as shown in the table below:

[0064]

[0065] In this embodiment of the invention, the dielectric resonator antenna 100 includes a substrate 1, a resonator 2, a feed structure 3, and a power divider assembly 4. The resonator 2 is disposed on the surface of the substrate 1. The power supply structure 3 includes a first power supply microstrip 31, a second power supply microstrip 32, a third power supply microstrip 33, a first probe 34, a second probe 35, and a third probe 36. The first power supply microstrip 31, the second power supply microstrip 32, and the third power supply microstrip 33 are all disposed on the surface of the substrate 1. The first power supply microstrip 31, the second power supply microstrip 32, and the third power supply microstrip 33 are located between the substrate 1 and the resonator 2. The first probe 34, the second probe 35, and the third probe 36 are all disposed on the substrate 1. The first probe 34 is connected to the first power supply microstrip 31, the second power supply microstrip 32, and the third power supply microstrip 33, respectively. The second probe 35 is connected to the first power supply microstrip 31, the second power supply microstrip 32, and the third power supply microstrip 33, respectively. The third probe 36 is connected to the first power supply microstrip 31, the second power supply microstrip 32, and the third power supply microstrip 33, respectively. The power divider assembly 4 includes a first power divider 41, a second power divider 42, and a third power divider 43. All three power dividers are mounted on the substrate 1. The first power divider 41 is connected to the first probe 34, the second probe 35, and the third probe 36, respectively. The second power divider 42 is also connected to the first probe 34, the second probe 35, and the third probe 36, respectively. The third power divider 43 controls the switching on and off of the first probe 34, the second probe 35, the third probe 36, the first feed microstrip 31, the second feed microstrip 32, and the third feed microstrip 33, thereby changing the signal distribution in the E-plane and H-plane of the dielectric resonator antenna 100. This results in beam deflection and passive scanning, reducing costs compared to antennas using a phased array architecture.

[0066] The present invention also provides an embodiment of a smart electrical appliance, including the dielectric resonator antenna 100 described above. The structure and function of the dielectric resonator antenna 100 can be found in the above embodiments, and will not be described in detail here.

[0067] It should be noted that while the preferred embodiments of the present invention are given in the specification and accompanying drawings, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are not intended to impose additional limitations on the content of the present invention; their purpose is to provide a more thorough and comprehensive understanding of the disclosure of the present invention. Furthermore, the above-described technical features can be combined with each other to form various embodiments not listed above, all of which are considered to be within the scope of the present invention specification. Moreover, those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A dielectric resonator antenna, characterized by, The medium resonator antenna comprises a substrate, a resonator, a feeding structure, and a power division assembly. The resonator is arranged on a surface of the substrate. The feeding structure comprises a first feeding microstrip, a second feeding microstrip, a third feeding microstrip, a first probe, a second probe, and a third probe. The first feeding microstrip, the second feeding microstrip, and the third feeding microstrip are arranged on the surface of the substrate. The first feeding microstrip, the second feeding microstrip, and the third feeding microstrip are arranged between the substrate and the resonator. The first probe, the second probe, and the third probe are arranged on the substrate. The first probe is connected to the first feeding microstrip, the second feeding microstrip, and the third feeding microstrip respectively. The second probe is connected to the first feeding microstrip, the second feeding microstrip, and the third feeding microstrip respectively. The third probe is connected to the first feeding microstrip, the second feeding microstrip, and the third feeding microstrip respectively. The power division assembly comprises a first power divider, a second power divider, and a third power divider. The first power divider, the second power divider, and the third power divider are arranged on the substrate. The first power divider is connected to the first probe, the second probe, and the third probe respectively. The second power divider is connected to the first probe, the second probe, and the third probe respectively. The third power divider is connected to the first probe, the second probe, and the third probe respectively.

2. The medium resonator antenna according to claim 1, wherein The first probe comprises a first pin, a second pin, and a third pin. One end of the first pin, one end of the second pin, and one end of the third pin are connected to one end of the first feeding microstrip, one end of the second feeding microstrip, and one end of the third feeding microstrip respectively. The other end of the first pin, the other end of the second pin, and the other end of the third pin are connected to the first power divider, the second power divider, and the third power divider respectively. The second probe comprises a fourth pin, a fifth pin, and a sixth pin. One end of the fourth pin, one end of the fifth pin, and one end of the sixth pin are connected to a middle part of the first feeding microstrip, a middle part of the second feeding microstrip, and a middle part of the third feeding microstrip respectively. The other end of the fourth pin, the other end of the fifth pin, and the other end of the sixth pin are connected to the first power divider, the second power divider, and the third power divider respectively. The third probe comprises a seventh pin, an eighth pin, and a ninth pin. One end of the seventh pin, one end of the eighth pin, and one end of the ninth pin are connected to the other end of the first feeding microstrip, the other end of the second feeding microstrip, and the other end of the third feeding microstrip respectively. The other end of the seventh pin, the other end of the eighth pin, and the other end of the ninth pin are connected to the first power divider, the second power divider, and the third power divider respectively.

3. The medium resonator antenna according to claim 2, wherein The first power divider is provided with a first output end, a second output end and a third output end, and the first output end, the second output end and the third output end are connected with one end of the first needle column, one end of the fourth needle column and one end of the seventh needle column respectively. The second power divider is provided with a fourth output end, a fifth output end and a sixth output end, and the fourth output end, the fifth output end and the sixth output end are connected with one end of the second needle column, one end of the fifth needle column and one end of the eighth needle column respectively. The third power divider is provided with a seventh output end, an eighth output end and a ninth output end, and the seventh output end, the eighth output end and the ninth output end are connected with one end of the third needle column, one end of the sixth needle column and one end of the ninth needle column respectively.

4. The dielectric resonator antenna of claim 3, wherein The first power divider is provided with a first input end, and the first input end is connected with the first output end, the second output end and the third output end respectively. The second power divider is provided with a second input end, and the second input end is connected with the fourth output end, the fifth output end and the sixth output end respectively. The third power divider is provided with a third input end, and the third input end is connected with the seventh output end, the eighth output end and the ninth output end respectively.

5. The dielectric resonator antenna of claim 4, wherein The first power divider is provided with a first radio frequency switch, a second radio frequency switch and a third radio frequency switch, and the first radio frequency switch, the second radio frequency switch and the third radio frequency switch are connected with the first input end, and the first radio frequency switch, the second radio frequency switch and the third radio frequency switch are connected with the first output end, the second output end and the third output end respectively.

6. The dielectric resonator antenna of any one of claims 2-5, wherein The substrate comprises a first dielectric layer, a first power divider ground plate, a second dielectric layer, a second power divider ground plate, a third dielectric layer, an antenna ground plate and a fourth dielectric layer, and the first dielectric layer, the first power divider ground plate, the second dielectric layer, the second power divider ground plate, the third dielectric layer, the antenna ground plate and the fourth dielectric layer are stacked in sequence; The resonator, the first feeding microstrip, the second feeding microstrip and the third feeding microstrip are arranged on the surface of the fourth dielectric layer away from the antenna ground plate, the first power divider is arranged on the surface of the first dielectric layer away from the first power divider ground plate, the second power divider is arranged on the first dielectric layer, the first power divider ground plate, the second dielectric layer, the second power divider ground plate and the third dielectric layer, and the third power divider is arranged on the first dielectric layer, the first power divider ground plate and the second dielectric layer.

7. The dielectric resonator antenna of claim 6, wherein The first pin, the fourth pin and the seventh pin are all connected with the first power divider and the first feeding microstrip through the first dielectric layer, the first power divider floor, the second dielectric layer, the second power divider floor, the third dielectric layer, the antenna floor and the fourth dielectric layer; One end of the second pin, one end of the fifth pin and one end of the eighth pin are all connected with the second feeding microstrip through the fourth dielectric layer, and the other end of the second pin, the other end of the fifth pin and the other end of the eighth pin are all connected with the second power divider through the fourth dielectric layer and the antenna floor in the third dielectric layer; One end of the third pin, one end of the sixth pin and one end of the ninth pin are all connected with the third feeding microstrip through the fourth dielectric layer, and the other end of the third pin, the other end of the sixth pin and the other end of the ninth pin are all connected with the third power divider through the fourth dielectric layer, the antenna floor, the third dielectric layer and the second power divider floor in the second dielectric layer.

8. The dielectric resonator antenna of claim 6, wherein The feeding structure further comprises a first anti-interference component, a second anti-interference component and a third anti-interference component, the first anti-interference component, the second anti-interference component and the third anti-interference component are arranged between the antenna floor and the first power divider floor, the first anti-interference component surrounds the first pin, the second pin and the third pin respectively, the second anti-interference component surrounds the fourth pin, the fifth pin and the sixth pin respectively, and the third anti-interference component surrounds the seventh pin, the eighth pin and the ninth pin respectively.

9. The dielectric resonator antenna of claim 8, wherein The first anti-interference component comprises a plurality of first anti-interference pins, a plurality of second anti-interference pins and a plurality of third anti-interference pins, the plurality of first anti-interference pins are arranged between the antenna floor and the first power divider floor, the plurality of first anti-interference pins surround the first pin, the plurality of second anti-interference pins are arranged in the third dielectric layer, the plurality of second anti-interference pins surround the second pin, the plurality of third anti-interference pins are arranged between the second power divider floor and the antenna floor, and the plurality of third anti-interference pins surround the third pin.

10. An intelligent electric appliance characterized by comprising: A dielectric resonator antenna as claimed in any one of claims 1-9.

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