A new wide-band ceramic antenna and wireless temperature and humidity sensor

Abstract

The application relates to the technical field of wireless communication, and discloses a novel wide-band ceramic antenna. The novel wide-band ceramic antenna comprises first, second and third ceramic antennas of the same size stacked together from top to bottom; the first and third ceramic antennas are provided with transmitting / receiving end electrodes and feeding electrodes; the first, second and third ceramic antennas 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 the installation difficulty; the first and third ceramic antennas are respectively provided with transmitting / receiving end electrodes and feeding electrodes, a plurality of transmitting / receiving end electrodes and feeding electrodes are arranged, the antenna bandwidth is effectively enhanced, and the radio frequency performance and the frequency band coverage range are enhanced. The metal through holes are arranged on the antenna electrodes, the distributed inductance is increased, the antenna standing wave bandwidth and the gain bandwidth are strengthened, and the increase of the antenna frequency band coverage range is realized. The application further discloses a wireless temperature and humidity sensor.

Description

Technical Field

[0001] This application relates to the field of wireless communication technology, such as a novel wideband ceramic antenna and a wireless temperature and humidity sensor. Background Technology

[0002] Currently, with the rapid development of wireless communication technology, broadband ceramic antennas have attracted widespread attention due to their superior performance and broad application prospects. With the continuous promotion of technologies such as 5G, the Internet of Things, and smart homes, the performance requirements for antennas are becoming increasingly stringent. Ceramic antennas, with their high dielectric constant, low loss, good temperature characteristics, and chemical stability, have significant application value in broadband, miniaturized, and high-performance wireless communication systems.

[0003] This study aims to design a novel wideband ceramic antenna that can effectively cover a wider frequency range while reducing the overall length and size of the antenna, thus simplifying installation.

[0004] In the process of implementing the embodiments of this disclosure, at least the following problems were found in the related art: Many existing ceramic antennas have limited frequency band coverage, and some ceramic antennas are also quite long and bulky, making them difficult to install. Summary of the Invention

[0005] To provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended as a general commentary, nor is it intended to identify key / important components or describe the scope of protection of these embodiments, but rather as a prelude to the detailed description that follows.

[0006] This disclosure provides a novel wideband ceramic antenna to address the problems of limited frequency band coverage, large overall length and volume, and difficult installation of existing ceramic antennas.

[0007] In some embodiments, the novel broadband ceramic antenna includes: The first, second, and third ceramic antennas, which are of the same size and thickness, are stacked together from top to bottom; The first ceramic antenna has a first transmitting and receiving electrode and a first feeding electrode at both ends; The third ceramic antenna has a second transmitting / receiving electrode and a second feed point electrode at both ends. The first ceramic antenna, the second ceramic antenna, and the third ceramic antenna are provided with lateral electrodes and longitudinal electrodes, and metal through holes are provided on the lateral electrodes and longitudinal electrodes of the first ceramic antenna, the second ceramic antenna, and the third ceramic antenna.

[0008] In some embodiments, the wireless temperature and humidity sensor includes a novel wideband ceramic antenna as described in the above embodiments.

[0009] This disclosure provides a novel wideband ceramic antenna and a wireless temperature and humidity sensor, which can achieve the following technical effects: By stacking three identical ceramic antennas (first, second, and third) together, the length and volume of the ceramic antennas are effectively shortened, reducing installation difficulty. The first ceramic antenna has a first transmitting / receiving electrode and a first feed electrode at both ends, while the third ceramic antenna has a second transmitting / receiving electrode and a second feed electrode at both ends. The use of multiple transmitting / receiving electrodes and feed electrodes effectively enhances the bandwidth of the wideband ceramic antenna, increasing its frequency coverage. The first, second, and third ceramic antennas are equipped with transverse and longitudinal electrodes, effectively increasing the surface current length and thus expanding the frequency coverage. Multiple antenna input feed points stabilize the antenna phase center. Metal vias on the antenna electrodes effectively increase distributed inductance, match the antenna standing wave (VSWR), and enhance the VSWR bandwidth and gain bandwidth, further increasing the frequency coverage.

[0010] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0011] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are shown as similar elements. The drawings are not to be scaled. And wherein: Figure 1 This is an overall schematic diagram of a novel broadband ceramic antenna provided in an embodiment of this disclosure; Figure 2 This is a schematic diagram of the device structure of a novel frequency band ceramic antenna provided in an embodiment of this disclosure; Figure 3 This is a schematic diagram of the structure of a novel wideband ceramic antenna provided in an embodiment of this disclosure.

[0012] Figure label: 10: First ceramic antenna; 20: Second ceramic antenna; 30: Third ceramic antenna; 40: First transmit / receive electrode; 50: First transmit / receive electrode reinforcement line; 60: First feed electrode; 70: First part of the first feed electrode reinforcement line; 80: First longitudinal electrode; 90: First longitudinal electrode reinforcement line; 100: First transverse electrode; 110: First transverse electrode reinforcement line; 120: Second longitudinal electrode; 130: Second longitudinal electrode reinforcement line; 140: Second transverse electrode; 150: Second transverse electrode reinforcement line; 160 170: Second part of the first feed electrode reinforcement line; 180: Second transmit / receive electrode; 190: Third transverse electrode; 200: Third transverse electrode reinforcement line; 210: Third longitudinal electrode; 220: Second feed electrode; 230: Second feed electrode reinforcement line; 240: Third longitudinal electrode reinforcement line; 250: First metal through-hole; 260: Second metal through-hole; 270: Third metal through-hole; 280: Fourth metal through-hole; 290: Fifth metal through-hole; 300: Sixth metal through-hole. Detailed Implementation

[0013] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0014] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this disclosure described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0015] In this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of the embodiments of this disclosure and their implementations, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to require them to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in the embodiments of this disclosure according to the specific circumstances.

[0016] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0017] Unless otherwise stated, the term "multiple" means two or more.

[0018] In this embodiment of the disclosure, the character " / " indicates that the objects before and after it are in an "or" relationship. For example, A / B means: A or B.

[0019] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0020] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0021] Currently, many existing ceramic antennas have limited frequency band coverage, and some ceramic antennas are also large in overall length and size, making them difficult to install.

[0022] Combination Figure 1-2 As shown, this embodiment of the present disclosure provides a broadband ceramic antenna, comprising a first ceramic antenna 10, a second ceramic antenna 20, and a third ceramic antenna 30, which are of the same size and thickness and are stacked together from top to bottom. The first ceramic antenna 10 has a first transmitting and receiving electrode 40 and a first feeding electrode 60 at both ends. The third ceramic antenna 30 has a second transmitting and receiving electrode 170 and a second feed point 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 metal through holes are provided on the transverse electrodes and longitudinal electrodes of the first ceramic antenna 10, the second ceramic antenna 20, and the third ceramic antenna 30.

[0023] This invention discloses a novel wideband antenna. A first ceramic antenna 10, a second ceramic antenna 20, and a third ceramic antenna 30 of identical size are stacked together, effectively shortening the length and volume of the ceramic antenna and reducing installation difficulty. The first ceramic antenna 10 has a first transmitting / receiving electrode 40 and a first feeding electrode 60 at both ends, while the third ceramic antenna 30 has a second transmitting / receiving electrode 170 and a second feeding electrode 220 at both ends. By providing multiple transmitting / receiving electrodes and feeding electrodes, the bandwidth of the wideband ceramic antenna is effectively enhanced, improving its radio frequency performance. The first ceramic antenna 10, the second ceramic antenna 20, and the third ceramic antenna 30 are respectively provided with horizontal and vertical electrodes, enhancing the frequency band coverage of the ceramic antenna. Multiple antenna input feed points stabilize the antenna phase center. Adding metal through-holes to the antenna electrodes effectively increases distributed inductance, matches the antenna standing wave (VSWR), strengthens the VSWR bandwidth and gain bandwidth, and increases the antenna frequency band coverage.

[0024] 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 of the same size and in the same position.

[0025] This allows for a better increase in the distributed inductance of the first ceramic antenna 10, the second ceramic antenna 20, and the third ceramic antenna 30, effectively enhancing the antenna's standing wave bandwidth and gain bandwidth, and increasing the coverage of the ceramic antenna's frequency band.

[0026] Combination Figure 1-2 As shown, optionally, the first ceramic antenna 10 includes a lateral electrode and a longitudinal electrode. The lateral electrode includes a first lateral electrode 100 and a first lateral electrode reinforcement line 110. The first lateral electrode 100 is disposed on the upper surface of the first ceramic antenna 10, and the first lateral electrode reinforcement line 110 is disposed 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 reinforcement line 90. The first longitudinal electrode and the first longitudinal electrode reinforcement line 90 are disposed on the outer side of the first ceramic antenna 10.

[0027] Thus, the first ceramic antenna 10 is provided with a longitudinal electrode and a transverse electrode. By designing the first transverse electrode 100 and the first transverse electrode enhancement line 110, the first longitudinal electrode 80 and the first longitudinal electrode enhancement line 90, the bandwidth of the wideband ceramic antenna is effectively enhanced, the radio frequency performance of the ceramic antenna is enhanced, and the coverage of the frequency band of the ceramic antenna is increased.

[0028] Combination Figure 1-2 As shown, optionally, the second ceramic antenna 20 includes a lateral electrode and a longitudinal electrode. The lateral electrode includes a second lateral electrode 140 and a second lateral electrode reinforcement line 150. The second lateral electrode 140 is disposed on the upper surface of the second ceramic antenna 20, and the second lateral electrode reinforcement line 150 is disposed 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 reinforcement line 130. The second longitudinal electrode 120 is disposed on the upper surface of the second ceramic antenna 20, and the second longitudinal electrode reinforcement line 130 is disposed on the outer side of the second ceramic antenna 20.

[0029] Thus, the second ceramic antenna 20 is provided with a longitudinal electrode and a transverse electrode. By designing the second transverse electrode 140 and the second transverse electrode enhancement line 150, the second longitudinal electrode 120 and the second longitudinal electrode enhancement line 130, the bandwidth of the wideband ceramic antenna is effectively enhanced, the radio frequency performance of the ceramic antenna is enhanced, and the coverage of the frequency band of the ceramic antenna is increased.

[0030] Combination Figure 1-2 As shown, optionally, the third ceramic antenna 30 includes a lateral electrode and a longitudinal electrode. The lateral electrode of the third ceramic antenna 30 includes a third lateral electrode 190 and a third lateral electrode reinforcement line 200. The third lateral electrode 190 is disposed on the upper surface of the third ceramic antenna 30, and the third lateral electrode reinforcement line 200 is disposed 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 reinforcement line 240. The third longitudinal electrode is disposed on the upper surface of the third ceramic antenna 30, and the third longitudinal electrode reinforcement line 240 is disposed on the outer side of the third ceramic antenna 30.

[0031] Thus, the third ceramic antenna 30 is provided with longitudinal and transverse electrodes. By designing the third transverse electrode 190 and the third transverse electrode enhancement line 200, the third longitudinal electrode 210 and the third longitudinal electrode enhancement line 240, the bandwidth of the wideband ceramic antenna is effectively enhanced, the radio frequency performance of the ceramic antenna is enhanced, and the coverage of the frequency band of the ceramic antenna is increased.

[0032] Combination Figure 1-2As shown, optionally, the first ceramic antenna 10 further includes a first transmitting / receiving electrode enhancement line 50 and a first feeding electrode enhancement line first part 70. The first transmitting / receiving electrode enhancement line 50 is disposed on the outside of the first ceramic antenna 10, on the same side as the first longitudinal electrode enhancement line 90; the first feeding electrode enhancement line first part 70 is disposed on the outside of the first ceramic antenna 10, on the same side as the first longitudinal electrode enhancement line 90.

[0033] In this way, the first ceramic antenna 10 is provided with a first transmit / receive end electrode enhancement line 50 and a first feed electrode enhancement line first part 70. By providing multiple transmit / receive end electrodes and feed electrodes, the bandwidth of the wideband ceramic antenna is effectively enhanced, the radio frequency performance of the ceramic antenna is enhanced, and the coverage of the ceramic antenna frequency band is increased.

[0034] Combination Figure 1-2 As shown, optionally, the third ceramic antenna 30 further includes a second transmit / receive end electrode enhancement line 180 and a second feed electrode enhancement line 230. The second transmit / receive end electrode enhancement line 180 is disposed on the outside of the third ceramic antenna 30, on the same side as the third longitudinal electrode enhancement line 240; the second feed electrode enhancement line 230 is disposed on the outside of the third ceramic antenna 30, on the same side as the third longitudinal electrode enhancement line 240.

[0035] In this way, the first ceramic antenna is provided with a second transmit / receive end electrode enhancement line 180 and a second feed electrode enhancement line 230. By setting multiple transmit / receive end electrodes and feed electrodes, the bandwidth of the wideband ceramic antenna is effectively enhanced, the radio frequency performance of the ceramic antenna is enhanced, and the coverage of the ceramic antenna frequency band is increased.

[0036] Combination Figure 1-3 As shown, optionally, the metal through-hole includes: A first metal through-hole 250 is disposed in the first ceramic antenna 10 and passes through the first longitudinal electrode 80 of the first ceramic antenna 10. The second metal through-hole 260 is disposed in the first ceramic antenna 10 and passes through the first transverse electrode 100 of the first ceramic antenna 10. The third metal through-hole 270 is disposed in the second ceramic antenna 20 and passes through the second longitudinal electrode 120 of the second ceramic antenna 20; A fourth metal through-hole 280 is disposed in the second ceramic antenna 20 and passes through the second transverse electrode 140 of the second ceramic antenna 20; The fifth metal through-hole 290 is disposed in the third ceramic antenna 30 and passes through the third longitudinal electrode 210 of the third ceramic antenna 30; The sixth metal through-hole 300 is disposed in the third ceramic antenna 30 and passes through the third transverse electrode 190 of the third ceramic antenna 30.

[0037] Thus, a first metal through-hole and a second metal through-hole are provided on the first ceramic antenna 10, a third metal through-hole 270 and a fourth metal through-hole 280 are provided on the second ceramic antenna 20, and a fifth metal through-hole 290 and a sixth metal through-hole 300 are provided on the fan of the third ceramic antenna 30. The addition of metal through-holes on the antenna electrodes effectively increases the distributed inductance, matches the antenna standing wave, strengthens the antenna standing wave bandwidth and gain bandwidth, and enhances the frequency band coverage of the ceramic antenna.

[0038] Combination Figure 2 As shown, optionally, the first transmit / receive electrode 40, the first transmit / receive electrode reinforcement line 50, the first longitudinal electrode 80, the first longitudinal electrode reinforcement line 90, the first transverse electrode 100, the first transverse electrode reinforcement line 110, the first feed electrode 60, the first part of the first feed electrode reinforcement line 70, the second longitudinal electrode 120, the second longitudinal electrode reinforcement line 130, the second transverse electrode 140, the second transverse electrode reinforcement line 150, the second part of the first feed electrode reinforcement line 160, the second transmit / receive electrode 170, the second transmit / receive electrode reinforcement line 180, the third longitudinal electrode 210, the third longitudinal electrode reinforcement line 240, the third transverse electrode 190, the third transverse electrode reinforcement line 200, the second feed electrode 220, and the second feed electrode reinforcement line 230 are all metallized.

[0039] This disclosure provides a wireless temperature and humidity recorder, including a novel wideband ceramic antenna as described in the above embodiments.

[0040] The foregoing description and accompanying drawings fully illustrate embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included or substituted for parts and features of other embodiments. Embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A novel broadband ceramic antenna, characterized in that, include: The first, second, and third ceramic antennas, which are of the same size and thickness, are stacked together from top to bottom; The first ceramic antenna has a first transmitting and receiving electrode and a first feeding electrode at both ends; The third ceramic antenna has a second transmitting / receiving electrode and a second feed point electrode at both ends. The first ceramic antenna, the second ceramic antenna, and the third ceramic antenna are provided with lateral electrodes and longitudinal electrodes, and metal through holes are provided on the lateral electrodes and longitudinal electrodes of the first ceramic antenna, the second ceramic antenna, and the third ceramic antenna.

2. The novel wideband 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 are of the same size and in the same position.

3. The novel wideband ceramic antenna according to claim 1, characterized in that, The first ceramic antenna includes a lateral electrode and a longitudinal electrode. The lateral electrode includes a first lateral electrode and a first lateral electrode reinforcement line. The first lateral electrode is disposed on the upper surface of the first ceramic antenna, and the first lateral electrode reinforcement line is disposed on the outer side of the first ceramic antenna. The longitudinal electrode of the first ceramic antenna includes a first longitudinal electrode and a first longitudinal electrode reinforcement line. The first longitudinal electrode is disposed on the upper surface of the first ceramic antenna, and the first longitudinal electrode reinforcement line is disposed on the outer side of the first ceramic antenna.

4. A novel broadband ceramic antenna according to claim 1, characterized in that, The second ceramic antenna includes a lateral electrode and a longitudinal electrode. The lateral electrode includes a second lateral electrode and a second lateral electrode reinforcement line. The second lateral electrode is disposed on the upper surface of the second ceramic antenna, and the second lateral electrode reinforcement line is disposed on the outer side of the second ceramic antenna. The longitudinal electrode of the second ceramic antenna includes a second longitudinal electrode and a second longitudinal electrode reinforcement line. The second longitudinal electrode is disposed on the upper surface of the second ceramic antenna, and the second longitudinal electrode reinforcement line is disposed on the outer side of the second ceramic antenna.

5. A novel broadband ceramic antenna according to claim 1, characterized in that, The third ceramic antenna includes a lateral electrode and a longitudinal electrode. The lateral electrode of the third ceramic antenna includes a third lateral electrode and a third lateral electrode reinforcement line. The third lateral electrode is disposed on the upper surface of the third ceramic antenna, and the third lateral electrode reinforcement line is disposed on the outer side of the third ceramic antenna.

6. A novel broadband ceramic antenna according to claim 1, characterized in that, The first ceramic antenna further includes a first transmitting / receiving electrode enhancement line and a first portion of a first feeding electrode enhancement line. The first transmitting / receiving electrode enhancement line is disposed on the outside of the first ceramic antenna and on the same side as the first longitudinal electrode enhancement line. The first portion of the first feeding electrode enhancement line is disposed on the outside of the first ceramic antenna and on the same side as the first longitudinal electrode enhancement line.

7. A novel broadband ceramic antenna according to claim 1, characterized in that, The third ceramic antenna further includes a second transmit / receive electrode enhancement line and a second feed electrode enhancement line. The second transmit / receive electrode enhancement line is disposed on the outside of the third ceramic antenna and on the same side as the second longitudinal electrode enhancement line. The third feed electrode enhancement line is disposed on the outside of the third ceramic antenna and on the same side as the third longitudinal electrode enhancement line.

8. A novel broadband ceramic antenna according to claim 1, characterized in that, The metal through-hole includes: A first metal through-hole is disposed in the first ceramic antenna and passes through the first longitudinal electrode of the first ceramic antenna; A second metal through-hole is disposed in the first ceramic antenna and passes through the first lateral electrode of the first ceramic antenna; A third metal through-hole is disposed in the second ceramic antenna and passes through the second longitudinal electrode of the second ceramic antenna; A fourth metal through-hole is disposed in the second ceramic antenna and passes through the second lateral electrode of the second ceramic antenna; A fifth metal through-hole is disposed in the third ceramic antenna and passes through the third longitudinal electrode of the third ceramic antenna; A sixth metal through-hole is disposed in the third ceramic antenna and penetrates the third transverse electrode of the third ceramic antenna.

9. A novel broadband ceramic antenna according to any one of claims 3-7, characterized in that, The first transmit / receive electrode, the first transmit / receive electrode reinforcement line, the first longitudinal electrode, the first longitudinal electrode reinforcement line, the first transverse electrode, the first transverse electrode reinforcement line, the first feed electrode, the first portion of the first feed electrode reinforcement line, the second longitudinal electrode, the second longitudinal electrode reinforcement line, the second transverse electrode, the second transverse electrode reinforcement line, the second portion of the first feed electrode reinforcement line, the second transmit / receive electrode, the second transmit / receive electrode reinforcement line, the third longitudinal electrode, the third longitudinal electrode reinforcement line, the third transverse electrode, the third transverse electrode reinforcement line, the second feed electrode, and the second feed electrode reinforcement line are all metallized.

10. A wireless temperature and humidity sensor, characterized in that, Including a novel broadband ceramic antenna as described in any one of claims 1 to 9.

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