Novel wide-frequency-band ceramic antenna and wireless temperature and humidity sensor

Abstract

The utility model relates to the technical field of wireless communication, and discloses a novel wide-frequency-band ceramic antenna. The novel wide-frequency-band ceramic antenna comprises a first ceramic antenna, a second ceramic antenna and a third ceramic antenna which are stacked together from top to bottom and have the same size, the first ceramic antenna and the third ceramic antenna are provided with transmitting and receiving end electrodes and feed electrodes; the first ceramic antenna, the second ceramic antenna and the third ceramic antenna are provided with transverse electrodes and longitudinal electrodes, and the transverse electrodes and the longitudinal electrodes are provided with metal through holes. The first, second and third ceramic antennas are stacked to reduce the antenna volume and reduce the installation difficulty; the first ceramic antenna and the third ceramic antenna are respectively provided with a transmitting and receiving end receiving electrode and a feed electrode, and a plurality of transmitting and receiving end electrodes and feed electrodes are arranged, so that the antenna bandwidth is effectively enhanced, and the radio frequency performance and the frequency band coverage range are enhanced. The metal through holes are additionally formed in the antenna electrode, distributed inductance is increased, the standing wave bandwidth and the gain bandwidth of the antenna are enhanced, and the frequency band coverage range of the antenna is increased. The utility model further discloses a wireless temperature and humidity sensor.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wireless communication, for example, to a new wide-band ceramic antenna and a wireless temperature and humidity sensor. BACKGROUND

[0002] At present, in the background of rapid development of wireless communication technology, wide-band ceramic antennas are widely concerned due to their excellent performance and wide application prospects. With the continuous popularization of 5G, Internet of Things, smart home and other technologies, the performance requirements for antennas are also increasing. Ceramic antennas have important application value in wide-band, small-size, high-performance wireless communication systems due to their high dielectric constant, low loss, good temperature characteristics and chemical stability.

[0003] The present application relates to the technical field of wireless communication, for example, to a new wide-band ceramic antenna and a wireless temperature and humidity sensor.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that the related art has at least the following problems: Many existing ceramic antennas have limited frequency range coverage, and some ceramic antennas have large overall length and volume, making installation difficult. CONTENT OF THE INVENTION

[0005] In order to have a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not a general review, nor is it intended to determine key / important components or delineate the scope of protection of these embodiments, but as a prelude to the detailed description below.

[0006] The embodiments of the present disclosure provide a new wide-band ceramic antenna to solve the problem of limited frequency range coverage of some existing ceramic antennas, large overall length and volume of ceramic antennas, and difficult installation.

[0007] In some embodiments, the new wide-band ceramic antenna comprises: a first ceramic antenna, a second ceramic antenna and a third ceramic antenna which are stacked together from top to bottom and have the same size and thickness; the first ceramic antenna is provided with a first transmitting and receiving end electrode and a first feeding electrode at both ends; the third ceramic antenna is provided with a second transmitting and receiving end electrode and a second feeding electrode at both ends; the first ceramic antenna, the second ceramic antenna and the third ceramic antenna are provided with transverse electrodes and longitudinal electrodes, and the transverse electrodes and longitudinal electrodes of the first ceramic antenna, the second ceramic antenna and the third ceramic antenna are provided with metal through holes.

[0008] In some embodiments, the wireless temperature and humidity sensor comprises: a new wide-band ceramic antenna according to the above embodiments.

[0009] The new wide-band ceramic antenna and wireless temperature and humidity sensor provided by the embodiments of the present disclosure can achieve the following technical effects: the first ceramic antenna, the second ceramic antenna and the third ceramic antenna with the same size are arranged and stacked together, so that the length and volume of the ceramic antenna are effectively shortened, and the installation difficulty of the antenna is reduced; the first transmitting and receiving end electrode and the first feeding electrode are arranged at the two ends of the first ceramic antenna, and the second transmitting and receiving end electrode and the second feeding electrode are arranged at the two ends of the third ceramic antenna, so that the wide-band ceramic antenna bandwidth of the antenna is effectively enhanced, and the frequency range of the ceramic antenna is enhanced; the first ceramic antenna, the second ceramic antenna and the third ceramic antenna are respectively provided with the horizontal electrode and the vertical electrode, so that the length of the antenna surface current can be effectively enhanced, the coverage range of the antenna frequency band is effectively increased, a plurality of antenna input feed points are arranged, the stability of the antenna phase center is realized, the metal through hole is arranged on the antenna electrode, the distributed inductance is effectively increased, the antenna standing wave is matched, the antenna standing wave bandwidth and gain bandwidth are strengthened, and the coverage range of the antenna frequency band is increased.

[0010] The foregoing general description and the following description are only exemplary and explanatory, and are not used to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0011] The one or more embodiments are exemplarily illustrated by the corresponding drawings, the exemplary illustrations and the drawings do not constitute limitation on the embodiments, the elements with the same reference numerals in the drawings are shown as the similar elements, the drawings do not constitute proportional limitation, and wherein:

[0012] Figure 1 is a whole schematic diagram of the new wide-band ceramic antenna provided by the embodiments of the present disclosure;

[0013] Figure 2 is a device structure schematic diagram of the new wide-band ceramic antenna provided by the embodiments of the present disclosure;

[0014] Figure 3 is a structure schematic diagram of the new wide-band ceramic antenna provided by the embodiments of the present disclosure.

[0015] Reference numerals: 10: first ceramic antenna; 20: second ceramic antenna; 30: third ceramic antenna; 40: first transmit-receive end electrode; 50: first transmit-receive end electrode reinforcing line; 60: first feeding electrode; 70: first feeding electrode reinforcing line first part; 80: first longitudinal electrode; 90: first longitudinal electrode reinforcing line; 100: first transverse electrode; 110: first transverse electrode reinforcing line; 120: second longitudinal electrode; 130: second longitudinal electrode reinforcing line; 140: second transverse electrode; 150: second transverse electrode reinforcing line; 160: first feeding electrode reinforcing line second part; 170: second transmit-receive end electrode; 180: second transmit-receive end electrode reinforcing line; 190: third transverse electrode; 200: third transverse electrode reinforcing line; 210: third longitudinal electrode; 220: second feeding electrode; 230: second feeding electrode reinforcing line; 240: third longitudinal electrode reinforcing line; 250: first metal via; 260: second metal via; 270: third metal via; 280: fourth metal via; 290: fifth metal via; 300: sixth metal via. DETAILED DESCRIPTION

[0016] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure is described in detail below, and the accompanying drawings are used for reference only and do not limit the embodiments of the present disclosure. In the following technical description, for the purpose of easy explanation, through multiple details, a sufficient understanding of the disclosed embodiments is provided. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to show.

[0017] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0018] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0019] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0020] Unless otherwise specified, the term "a plurality of" means two or more.

[0021] In the embodiments of the present disclosure, the character " / " represents an "or" relationship between the objects before and after it. For example, A / B means A or B.

[0022] The term "and / or" is a description of the association between objects, which means that there can be three relationships. For example, A and / or B means: A or B, or, A and B, three relationships.

[0023] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0024] At present, many existing ceramic antennas have limited frequency band coverage range, and some ceramic antennas have large overall length and volume, and difficult to install.

[0025] In combination Figures 1-2As shown, the embodiment of the present disclosure provides a wide-band ceramic antenna, which comprises first ceramic antenna 10, second ceramic antenna 20 and third ceramic antenna 30 which are stacked together in the same size and thickness from top to bottom; the first ceramic antenna 10 is provided with first transmitting and receiving end electrode 40 and first feeding electrode 60 at both ends; the third ceramic antenna 30 is provided with second transmitting and receiving end electrode 170 and second feeding electrode 220 at both ends; the first ceramic antenna 10, the second ceramic antenna 20 and the third ceramic antenna 30 are provided with transverse electrodes and longitudinal electrodes, and the transverse electrodes and the longitudinal electrodes of the first ceramic antenna 10, the second ceramic antenna 20 and the third ceramic antenna 30 are provided with metal through holes.

[0026] The new wide-band antenna provided by the embodiment of the present disclosure is used to stack the first ceramic antenna 10, the second ceramic antenna 20 and the third ceramic antenna 30 which are in the same size, so as to effectively shorten the length and volume of the ceramic antenna and reduce the installation difficulty of the antenna; the first ceramic antenna 10 is provided with first transmitting and receiving end electrode 40 and first feeding electrode 60 at both ends, and the third ceramic antenna 30 is provided with second transmitting and receiving end electrode 170 and second feeding electrode 220 at both ends, so as to effectively enhance the bandwidth of the wide-band ceramic antenna of the antenna, enhance the radio frequency performance of the ceramic antenna, and respectively provide the first ceramic antenna 10, the second ceramic antenna 20 and the third ceramic antenna 30 with transverse electrodes and longitudinal electrodes, so as to enhance the frequency range coverage of the ceramic antenna; a plurality of antenna input feed points are provided, so as to realize the stability of the phase center of the antenna, increase the metal through holes on the antenna electrodes, effectively increase the distributed inductance, match the antenna standing wave, strengthen the antenna standing wave bandwidth and gain bandwidth, and realize the increase of the frequency range coverage of the antenna.

[0027] In combination Figure 1 As shown, optionally, the metal through holes of the first ceramic antenna 10, the second ceramic antenna 20 and the third ceramic antenna 30 are in the same size and position.

[0028] In this way, the distributed inductance of the first ceramic antenna 10, the second ceramic antenna 20 and the third ceramic antenna 30 can be better increased, the standing wave bandwidth and the gain bandwidth of the antenna can be effectively enhanced, and the coverage range of the frequency range of the ceramic antenna can be increased.

[0029] In combination Figures 1-2As shown, optionally, the first ceramic antenna 10 includes a transverse electrode and a longitudinal electrode, the transverse electrode includes a first transverse electrode 100 and a first transverse electrode reinforcing line 110, the first transverse electrode 100 is arranged on the upper surface of the first ceramic antenna 10, and the first transverse electrode reinforcing line 110 is arranged on the outer side of the first ceramic antenna 10; the longitudinal electrode of the first ceramic antenna 10 includes a first longitudinal electrode 80 and a first longitudinal electrode reinforcing line 90, and the first longitudinal electrode reinforcing line 90 is arranged on the outer side of the first ceramic antenna 10.

[0030] In this way, the first ceramic antenna 10 is provided with a longitudinal electrode and a transverse electrode, and by designing the first transverse electrode 100 and the first transverse electrode reinforcing line 110, the first longitudinal electrode 80 and the first longitudinal electrode reinforcing line 90, the bandwidth of the wide-band ceramic antenna of the antenna is effectively enhanced, the radio frequency performance of the ceramic antenna is enhanced, and the coverage range of the ceramic antenna frequency band is increased.

[0031] In combination Figures 1-2 As shown, optionally, the second ceramic antenna 2 includes a transverse electrode and a longitudinal electrode, the transverse electrode includes a second transverse electrode 140 and a second transverse electrode reinforcing line 150, the second transverse electrode 140 is arranged on the upper surface of the second ceramic antenna 20, and the second transverse electrode reinforcing line 150 is arranged on the outer side of the second ceramic antenna 20; the longitudinal electrode of the second ceramic antenna 20 includes a second longitudinal electrode 120 and a second longitudinal electrode reinforcing line 130, and the second longitudinal electrode 120 is arranged on the upper surface of the second ceramic antenna 20, and the second longitudinal electrode reinforcing line 130 is arranged on the outer side of the second ceramic antenna 20.

[0032] In this way, the second ceramic antenna 20 is provided with a longitudinal electrode and a transverse electrode, and by designing the second transverse electrode 140 and the second transverse electrode reinforcing line 150, the second longitudinal electrode 120 and the second longitudinal electrode reinforcing line 130, the bandwidth of the wide-band ceramic antenna of the antenna is effectively enhanced, the radio frequency performance of the ceramic antenna is enhanced, and the coverage range of the ceramic antenna frequency band is increased.

[0033] In combination Figures 1-2As shown, optionally, the third ceramic antenna 30 includes a transverse electrode and a longitudinal electrode, the transverse electrode of the third ceramic antenna 30 includes a third transverse electrode 190 and a third transverse electrode reinforcing line 200, the third transverse electrode 190 is arranged on the upper surface of the third ceramic antenna 30, and the third transverse electrode reinforcing line 200 is arranged on the outer side of the third ceramic antenna 30; the longitudinal electrode of the third ceramic antenna 30 includes a third longitudinal electrode 210 and a third longitudinal electrode reinforcing line 240, the third longitudinal electrode is arranged on the upper surface of the third ceramic antenna 30, and the third longitudinal electrode reinforcing line 240 is arranged on the outer side of the third ceramic antenna 30; the longitudinal electrode of the third ceramic antenna 30 includes a third longitudinal electrode 210 and a third longitudinal electrode reinforcing line 240, the third longitudinal electrode 210 is arranged on the upper surface of the third ceramic antenna 30, and the third longitudinal electrode reinforcing line 240 is arranged on the outer side of the third ceramic antenna 30.

[0034] In this way, the third ceramic antenna 30 is provided with a longitudinal electrode and a transverse electrode, and by designing the third transverse electrode 190 and the third transverse electrode reinforcing line 200, the third longitudinal electrode 210 and the third longitudinal electrode reinforcing line 240, the bandwidth of the wide-band ceramic antenna of the antenna is effectively enhanced, the radio frequency performance of the ceramic antenna is enhanced, and the coverage range of the ceramic antenna frequency band is increased.

[0035] In combination Figures 1-2 As shown, optionally, the first ceramic antenna 10 further includes a first transmitting and receiving end electrode reinforcing line 50 and a first feeding electrode reinforcing line first part 70, the first transmitting and receiving end electrode reinforcing line 50 is arranged on the outer side of the first ceramic antenna 10 and on the same side as the first longitudinal electrode reinforcing line 90; the first feeding electrode reinforcing line first part 70 is arranged on the outer side of the first ceramic antenna 10 and on the same side as the first longitudinal electrode reinforcing line 90.

[0036] In this way, the first ceramic antenna 10 is provided with a first transmitting and receiving end electrode reinforcing line 50 and a first feeding electrode reinforcing line first part 70, and by arranging multiple transmitting and receiving end electrodes and feeding electrodes, the bandwidth of the wide-band ceramic antenna of the antenna is effectively enhanced, the radio frequency performance of the ceramic antenna is enhanced, and the coverage range of the ceramic antenna frequency band is increased.

[0037] In combination Figures 1-2 As shown, optionally, the third ceramic antenna 30 further includes a second transmitting and receiving end electrode reinforcing line 180 and a second feeding electrode reinforcing line 230, the second transmitting and receiving end electrode reinforcing line 180 is arranged on the outer side of the third ceramic antenna 30 and on the same side as the third longitudinal electrode reinforcing line 240; the second feeding electrode reinforcing line 230 is arranged on the outer side of the third ceramic antenna 30 and on the same side as the third longitudinal electrode reinforcing line 240.

[0038] In this way, the first ceramic antenna is provided with the second transmitting-receiving end electrode enhancement line 180 and the second feeding electrode enhancement line 230, and by providing multiple transmitting-receiving end electrodes and feeding electrodes, the bandwidth of the broadband ceramic antenna of the antenna is effectively enhanced, the radio frequency performance of the ceramic antenna is enhanced, and the coverage range of the frequency band of the ceramic antenna is increased.

[0039] In combination Figures 1-3 As shown in the figure, optionally, the metal through holes include: a first metal through hole 250 provided on the first ceramic antenna 10 and penetrating through the first longitudinal electrode 80 of the first ceramic antenna 10; a second metal through hole 260 provided on the first ceramic antenna 10 and penetrating through the first transverse electrode 100 of the first ceramic antenna 10; a third metal through hole 270 provided on the second ceramic antenna 20 and penetrating through the second longitudinal electrode 120 of the second ceramic antenna 20; a fourth metal through hole 280 provided on the second ceramic antenna 20 and penetrating through the second transverse electrode 140 of the second ceramic antenna 20; a fifth metal through hole 290 provided on the third ceramic antenna 30 and penetrating through the third longitudinal electrode 210 of the third ceramic antenna 30; and a sixth metal through hole 300 provided on the third ceramic antenna 30 and penetrating through the third transverse electrode 190 of the third ceramic antenna 30.

[0040] In this way, the first metal through hole and the second metal through hole are provided on the first ceramic antenna 10, the third metal through hole 270 and the fourth metal through hole 280 are provided on the second ceramic antenna 20, and the fifth metal through hole 290 and the sixth metal through hole 300 are provided on the third ceramic antenna 30, so that the metal through holes are added on the antenna electrodes, the distributed inductance is effectively increased, the antenna standing wave is matched, the antenna standing wave bandwidth and gain bandwidth are strengthened, and the frequency band coverage range of the ceramic antenna is enhanced.

[0041] The embodiments of the present disclosure provide a wireless temperature and humidity sensor including the above-mentioned novel broadband ceramic antenna.

[0042] The above description and drawings sufficiently illustrate the embodiments of the present disclosure to enable one skilled in the art to practice them.

[0043] Other embodiments can include structural and other changes. The embodiments represent only a few of the many possible variations. Individual components and functions can be optional, and the order of operations can vary. Portions and features of some embodiments can be included in, or alternate, those of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the drawings, and can be variously modified and changed without departing from the scope thereof. The scope of the present disclosure is limited only by the claims appended below.

Claims

1. A novel broadband ceramic antenna, characterized in that, The application relates to a ceramic antenna, which comprises: a first ceramic antenna, a second ceramic antenna and a third ceramic antenna which are stacked together from top to bottom and have the same size and thickness; two ends of the first ceramic antenna are provided with a first transmitting and receiving end electrode and a first feeding electrode; two ends of the third ceramic antenna are provided with a second transmitting and receiving end electrode and a second feeding electrode; the first ceramic antenna, the second ceramic antenna and the third ceramic antenna are provided with transverse electrodes and longitudinal electrodes, and the transverse electrodes and the longitudinal electrodes of the first ceramic antenna, the second ceramic antenna and the third ceramic antenna are provided with metal through holes.

2. The novel broadband ceramic antenna according to claim 1, characterized in that, The metal through holes of the first ceramic antenna, the second ceramic antenna and the third ceramic antenna have the same size and position.

3. The novel broadband ceramic antenna according to claim 1, characterized in that, The first ceramic antenna comprises transverse electrodes and longitudinal electrodes, the transverse electrodes comprise a first transverse electrode and a first transverse electrode reinforcing line, the first transverse electrode is arranged on the upper surface of the first ceramic antenna, and the first transverse electrode reinforcing line is arranged on the outer side of the first ceramic antenna; the longitudinal electrodes of the first ceramic antenna comprise a first longitudinal electrode and a first longitudinal electrode reinforcing line, the first longitudinal electrode is arranged on the upper surface of the first ceramic antenna, and the first longitudinal electrode reinforcing line is arranged on the outer side of the first ceramic antenna.

4. The novel broadband ceramic antenna according to claim 1, characterized in that, The second ceramic antenna comprises transverse electrodes and longitudinal electrodes, the transverse electrodes comprise a second transverse electrode and a second transverse electrode reinforcing line, the second transverse electrode is arranged on the upper surface of the second ceramic antenna, and the second transverse electrode reinforcing line is arranged on the outer side of the second ceramic antenna; the longitudinal electrodes of the second ceramic antenna comprise a second longitudinal electrode and a second longitudinal electrode reinforcing line, the second longitudinal electrode is arranged on the upper surface of the second ceramic antenna, and the second longitudinal electrode reinforcing line is arranged on the outer side of the second ceramic antenna.

5. The novel broadband ceramic antenna according to claim 1, characterized in that, The third ceramic antenna comprises transverse electrodes and longitudinal electrodes, the transverse electrodes of the third ceramic antenna comprise a third transverse electrode and a third transverse electrode reinforcing line, the third transverse electrode is arranged on the upper surface of the third ceramic antenna, and the third transverse electrode reinforcing line is arranged on the outer side of the third ceramic antenna; the longitudinal electrodes of the third ceramic antenna comprise a third longitudinal electrode and a third longitudinal electrode reinforcing line, the third longitudinal electrode is arranged on the upper surface of the third ceramic antenna, and the third longitudinal electrode reinforcing line is arranged on the outer side of the third ceramic antenna.

6. A novel wideband ceramic antenna according to claim 3, characterized in that, The first ceramic antenna further comprises a first transmitting and receiving end electrode reinforcing line and a first feeding electrode reinforcing line, the first transmitting and receiving end electrode reinforcing line is arranged on the outer side of the first ceramic antenna and is on the same side as the first longitudinal electrode reinforcing line; and the first feeding electrode reinforcing line is arranged on the outer side of the first ceramic antenna and is on the same side as the first longitudinal electrode reinforcing line.

7. The novel broadband ceramic antenna according to claim 5, characterized in that, The third ceramic antenna further comprises a second transmitting-receiving electrode enhancement line and a second feeding electrode enhancement line, the second transmitting-receiving electrode enhancement line is arranged on the outside of the third ceramic antenna and on the same side of the third longitudinal electrode enhancement line; the second feeding electrode enhancement line is arranged on the outside of the third ceramic antenna and on the same side of the third longitudinal electrode enhancement line.

8. A novel wideband ceramic antenna according to claim 1, characterized in that, The metal through holes comprise: a first metal through hole arranged on the first ceramic antenna and penetrating the first longitudinal electrode of the first ceramic antenna; a second metal through hole arranged on the first ceramic antenna and penetrating the first transverse electrode of the first ceramic antenna; a third metal through hole arranged on the second ceramic antenna and penetrating the second longitudinal electrode of the second ceramic antenna; a fourth metal through hole arranged on the second ceramic antenna and penetrating the second transverse electrode of the second ceramic antenna; a fifth metal through hole arranged on the third ceramic antenna and penetrating the third longitudinal electrode of the third ceramic antenna; and a sixth metal through hole arranged on the third ceramic antenna and penetrating the third transverse electrode of the third ceramic antenna.

9. A wireless temperature and humidity sensor, characterized by A novel broadband ceramic antenna comprising any one of claims 1 to 8.

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