CN217544923U - Ceramic WIFI antenna structure and electronic terminal - Google Patents
Ceramic WIFI antenna structure and electronic terminal Download PDFInfo
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- CN217544923U CN217544923U CN202221572857.7U CN202221572857U CN217544923U CN 217544923 U CN217544923 U CN 217544923U CN 202221572857 U CN202221572857 U CN 202221572857U CN 217544923 U CN217544923 U CN 217544923U
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- 239000000919 ceramic Substances 0.000 title claims abstract description 55
- 239000000758 substrate Substances 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The application discloses pottery WIFI antenna structure and electronic terminal relates to antenna structure's technical field, including the PCB board, set up the ceramic base member on the PCB board, a serial communication port, it has the antenna body to adhere to on the ceramic base member, the antenna body includes the first conductive part of "L" type, the third conductive part that the second conductive part of being connected with first conductive part and second conductive part are connected, run through in second conductive part and the third conductive part and be provided with the first slot of "T" type, the junction of second conductive part and third conductive part is provided with ground point and feed point respectively, ground point and feed point are located the both sides of first slot. The method and the device can meet high-speed signal transmission, can cover all WIFI antenna frequency bands, and meet the WIFI 6E requirement; and this antenna can realize the full frequency channel of WIFI, more can satisfy information transmission's demand, through the walking line of antenna self, reaches better radiating efficiency.
Description
Technical Field
The application relates to the technical field of antenna structures, in particular to a ceramic WIFI antenna structure and an electronic terminal.
Background
At present, with the development of society advancing scientific technology, people have more and more requirements on the appearance texture, signal receiving and transmitting and higher requirements on transmission rate and stability of electronic equipment. And with the development of technology, in order to adapt to global use of equipment, the frequency band requirements of the antenna are more and more comprehensive. Therefore, the frequency band of the antenna is required to be wider and wider, a WIFI 6E antenna other than the WIFI antenna appears, and the WIFI 6E antenna gradually becomes a hotspot of equipment configuration. The frequency band of a general WIFI antenna is 2400-2500 MHz &5100-5850 MHz, and with the requirement of higher transmission rate, the requirement on the coverage frequency band of the WIFI 6E antenna is wider.
The antenna on the existing electronic equipment has the problems of poor signal, poor use effect and low transmission rate. In the prior art, chinese patent publication No. CN206003963U discloses a ceramic WIFI antenna, which is formed by covering at least two surfaces of a ceramic substrate with a radiator. However, the above patent does not disclose a frequency band that can be covered by the ceramic antenna, and therefore its specific application and achievable efficiency are unknown.
Disclosure of Invention
In order to solve at least one problem mentioned in the background art, the application provides a ceramic WIFI antenna structure and an electronic terminal, the ceramic antenna in the application realizes a WIFI 6E frequency band, can meet high-speed signal transmission, and can also cover all the WIFI antenna frequency bands to meet the WIFI 6E requirement; and this antenna can realize the full frequency channel of WIFI, more can satisfy information transmission's demand, through the walking line of antenna self, reaches better radiating efficiency.
The embodiment of the application provides the following specific technical scheme:
in a first aspect, a ceramic WIFI antenna structure is provided, which includes a PCB and a ceramic substrate disposed on the PCB, wherein an antenna body is attached to the ceramic substrate, the antenna body includes an L-shaped first conductive part and a third conductive part connected to the second conductive part and the second conductive part, a T-shaped first groove is disposed in the second conductive part and the third conductive part in a penetrating manner, a connection point and a feeding point are disposed at a connection position of the second conductive part and the third conductive part, and the grounding point and the feeding point are disposed at two sides of the first groove.
Furthermore, the first conductive part comprises a first conductive layer and a second conductive layer which are arranged on two sides of the first groove, one end of the first conductive layer, which is far away from the grounding point, is connected with the first conductive part, and one sides of the first conductive layer and the second conductive layer, which are far away from the first groove, are both arranged in a ladder shape.
Further, a first gap is arranged between the first conductive layer and the first conductive part.
Further, the third conductive part comprises a third conductive layer arranged around the bottom of the T-shaped first groove, and the third conductive layer is in a shape of a T.
Furthermore, the third conductive layer has different distribution sizes on two sides of the central axis of the first trench.
Further, the ceramic substrate is rectangular, and the antenna body is attached to at least three surfaces of the ceramic substrate.
Further, the first conductive part is disposed on a first surface of the ceramic substrate, the second conductive part is disposed on a second surface of the ceramic substrate, the third conductive part is disposed on a third surface of the ceramic substrate, and the first surface, the second surface and the third surface are three adjacent surfaces of the ceramic substrate.
Further, the ceramic matrix has a size of 15mm 5mm 3mm; the size of the PCB board is 15mm multiplied by 7mm multiplied by 0.6mm.
Further, a cable line is further arranged between the PCB and the ceramic base body and connected with an external network, and the diameter of the cable line is 1.13mm.
In a second aspect, an electronic terminal is provided, which includes the ceramic WIFI antenna structure as described above.
The embodiment of the application has the following beneficial effects:
1. the antenna structure provided by the embodiment of the application comprises a PCB, a ceramic substrate arranged on the PCB and an antenna body attached to the ceramic substrate, wherein the antenna body comprises a first conductive part, a second conductive part and a third conductive part which are connected with each other, the first conductive part is L-shaped, the second conductive part and the third conductive part are connected in a penetrating manner through a first groove, meanwhile, a grounding point and a feeding point are arranged at the joint of the second conductive part and the third conductive part, and an antenna structure is formed by the arrangement of the wiring of the antenna body and the combination of the ceramic substrate and the PCB and can meet high-speed signal transmission, cover all WIFI antenna frequency bands and meet the requirements of WIFI 6E; the antenna can realize WIFI full frequency band, can better meet the requirement of information transmission, and achieves better radiation efficiency through the wiring of the antenna;
2. the size of the antenna in the application is 15mm × 5mm × 3mm, so that the small ceramic antenna can cover various frequency bands ranging from 2400 MHz to 2500MHz, 5100 MHz to 5850MHz, 5925 MHz to 7125MHz, and the efficiency of the antenna can meet the requirements.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 shows an unfolded structural schematic of an antenna according to the present application;
FIG. 2 shows a standing wave pattern for an antenna according to the present application;
in the figure, 1, an antenna body; 2. a first conductive portion; 3. a second conductive portion; 4. a third conductive portion; 5. a first trench; 6. a ground point; 7. a feeding point; 8. a first conductive layer; 9. a second conductive layer; 10. a first void.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
References to "up" and "down" in the embodiments of the present application are made with reference to the orientation shown in fig. 1.
As described in the background art, with the development of society and technology, people have more demands on the appearance texture and the antenna characteristics of electronic devices, and the requirements on transmission speed and speed are higher and higher, so that the synchronous use of multiple antennas and the transmission of high frequency bands occur, more requirements on antennas are required, the size of a miniaturized ceramic antenna is small, and the frequency bands which the antennas can cover are required to be more and more comprehensive, so that the frequency bands which the antennas can cover are required to be wider and wider, and thus, a WIFI 6E antenna appears, but the frequency bands of a general WIFI antenna are 2400-2500mhz &5100-5850 MHz, and the frequency bands covered by the general WIFI antenna are limited. Based on above problem, this application has proposed a pottery WIFI antenna structure and electronic terminal.
Example one
A ceramic WIFI antenna structure is shown in figure 1 and comprises a PCB and a ceramic substrate arranged on the PCB, wherein the ceramic substrate is cuboid, the size of the ceramic substrate is 15mm to 5mm to 3mm, the size of the PCB is 15mm to 7mm to 0.6mm, and the thickness of the ceramic substrate is larger than that of the PCB. An antenna body 1 is attached to the ceramic substrate, the antenna body 1 includes an L-shaped first conductive part 2, a second conductive part 3 and a third conductive part 4, wherein the second conductive part 3 is connected with one end of the first conductive part 2 close to the L short side, the lower end of the second conductive part 3 is connected with the third conductive part 4, a first groove 5 penetrates through the second conductive part 3 and the third conductive part 4, the first groove 5 is T-shaped, the T-shaped first groove 5 includes a vertical section and a transverse section, the first groove 5 of the vertical section penetrates through the second conductive part 3, the first groove 5 of the transverse section is arranged in the third conductive part 4, the first conductive part 2, the second conductive part 3 and the third conductive part 4 are bent and formed, and the first conductive part 2, the second conductive part 3 and the third conductive part 4 are integrally formed.
Specifically, the connection between the second conductive part 3 and the third conductive part 4 is provided with a grounding point 6 and a feeding point 7, respectively, and the grounding point 6 and the feeding point 7 are located on two sides of the first groove 5.
As shown in fig. 1, the second conductive part 3 includes a first conductive layer 8 and a second conductive layer 9, the first conductive layer 8 and the second conductive layer 9 are respectively disposed on the left and right sides of the first trench 5, one end of the first conductive layer 8 away from the grounding point 6 is connected to the first conductive part 2, one sides of the first conductive layer 8 and the second conductive layer 9 away from the first trench 5 are both disposed in a ladder shape, and a first gap 10 is further disposed between the first conductive layer 8 and the first conductive part 2.
In a preferred embodiment, the second conductive layer 9 includes a first bending platform and a second bending platform disposed on the left side away from the first trench 5, both bending platforms have an angle of 90 °, and the lower end of the second bending platform is the grounding point 6, and the lower end of the second bending platform is integrally formed with the third conductive portion 4. The right side of the second conducting layer 9 is provided with a third bending platform and a fourth bending platform, the angles of the two bending platforms are both 90 degrees, and the third bending platform and the fourth bending platform are symmetrically arranged with the first bending platform and the second bending platform about the central axis of the first groove 5.
In a preferred embodiment, the third conductive layer further includes a third conductive layer disposed around the bottom of the "T" shaped first trench 5, the third conductive layer is in a ring shape of the "T", the third conductive layer is distributed on both sides of the central axis of the first trench 5, and the distribution sizes of the two sides are different.
In a preferred embodiment, the first conductive part 2, the second conductive part 3 and the third conductive part 4 of the antenna body 1 are attached to at least three surfaces of the ceramic substrate, and the three surfaces are adjacent surfaces. Specifically, the first conductive part 2 is disposed on a first surface of the ceramic substrate, the second conductive part 3 is disposed on a second surface of the ceramic substrate, and the second conductive part 3 is disposed on a third surface of the ceramic substrate, wherein the first surface, the second surface, and the third surface are three continuous adjacent surfaces on the ceramic substrate.
In a preferred embodiment, a cable line is further arranged between the PCB and the ceramic substrate, the cable line is connected with the external network, the diameter of the cable line is 1.13mm, and the cable line is connected with the external network through the cable line and used for detecting the transmission rate of the antenna.
In a preferred embodiment, the frequency band covered by the antenna is detected, and the test results are shown in table 1, and as can be seen from the data in table 1, the efficiency of the antenna in the 2.4-2.5G frequency band is substantially maintained between 37-45%; the efficiency of the antenna in the 5.1-5.85G frequency band is basically maintained between 40-50%; the efficiency of the antenna in the 5.925-7.125G frequency band is basically maintained between 40-50% and 33-45%, thereby showing that the efficiency of the antenna in the application can meet the requirement. The antenna structure is formed by the wiring arrangement of the antenna body and the combination of the antenna body, the ceramic substrate and the PCB, so that high-speed signal transmission can be met, all WIFI antenna frequency bands can be covered, and the WIFI 6E requirements can be met; and this antenna can realize the full frequency channel of WIFI, more can satisfy information transmission's demand, through the walking line of antenna self, reaches better radiating efficiency.
Table 1 efficiency test results of the antenna
Example two
Corresponding to the above embodiment, the present application provides an electronic terminal, electronic terminal includes as above ceramic WIFI antenna structure. The ceramic substrate is cuboid, the size of the ceramic substrate is 15mm multiplied by 5mm multiplied by 3mm, the size of the PCB is also cuboid, and the size of the PCB is 15mm multiplied by 7mm multiplied by 0.6mm. An antenna body 1 is attached to the ceramic substrate, the antenna body 1 includes an L-shaped first conductive part 2, a second conductive part 3 and a third conductive part 4, wherein the second conductive part 3 is connected with one end of the first conductive part 2 close to the L short side, the lower end of the second conductive part 3 is connected with the third conductive part 4, a first groove 5 penetrates through the second conductive part 3 and the third conductive part 4, the first groove 5 is T-shaped, the T-shaped first groove 5 includes a vertical section and a transverse section, the first groove 5 of the vertical section penetrates through the second conductive part 3, the first groove 5 of the transverse section is arranged in the third conductive part 4, the first conductive part 2, the second conductive part 3 and the third conductive part 4 are bent and formed, and the first conductive part 2, the second conductive part 3 and the third conductive part 4 are integrally formed.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a pottery WIFI antenna structure, includes the PCB board, sets up the ceramic base member on the PCB board, its characterized in that, it has the antenna body to adhere to on the ceramic base member, the antenna body includes the first conductive part of "L" type, with the second conductive part that first conductive part is connected with the third conductive part that the second conductive part is connected, run through in second conductive part and the third conductive part and be provided with the first slot of "T" type, the junction of second conductive part with the third conductive part is provided with ground point and feed point respectively, the ground point with the feed point is located the both sides of first slot.
2. The WIFI antenna structure as claimed in claim 1, wherein the first conductive portion includes a first conductive layer and a second conductive layer disposed on two sides of the first trench, an end of the first conductive layer away from the ground point is connected to the first conductive portion, and a side of the first conductive layer and a side of the second conductive layer away from the first trench are both disposed in a ladder shape.
3. The WIFI antenna structure of claim 2, wherein a first gap is disposed between the first conductive layer and the first conductive portion.
4. The WIFI antenna structure of claim 3, wherein the third conductive portion includes a third conductive layer disposed around the bottom of the first trench of the "T" shape, the third conductive layer being in a ring shape of the "T".
5. The WIFI antenna structure of claim 4, wherein the third conductive layer has different distribution sizes on two sides of the central axis of the first trench.
6. The WIFI antenna structure as claimed in claim 5, wherein the ceramic substrate is rectangular, and the antenna body is attached to at least three sides of the ceramic substrate.
7. The WIFI antenna structure of claim 6, wherein the first conductive portion is disposed on a first side of the ceramic substrate, the second conductive portion is disposed on a second side of the ceramic substrate, and the third conductive portion is disposed on a third side of the ceramic substrate, and the first, second and third sides are three adjacent sides of the ceramic substrate.
8. The WIFI antenna structure of claim 7, wherein the ceramic substrate is 15mm 5mm 3mm in size; the size of the PCB board is 15mm multiplied by 7mm multiplied by 0.6mm.
9. The WIFI antenna structure of claim 1, further including a cable wire disposed between the PCB and the ceramic substrate, the cable wire connected to an external network, the cable wire having a diameter of 1.13mm.
10. An electronic terminal, characterized in that it comprises a ceramic WIFI antenna structure according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221572857.7U CN217544923U (en) | 2022-06-22 | 2022-06-22 | Ceramic WIFI antenna structure and electronic terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221572857.7U CN217544923U (en) | 2022-06-22 | 2022-06-22 | Ceramic WIFI antenna structure and electronic terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217544923U true CN217544923U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221572857.7U Active CN217544923U (en) | 2022-06-22 | 2022-06-22 | Ceramic WIFI antenna structure and electronic terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217544923U (en) |
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2022
- 2022-06-22 CN CN202221572857.7U patent/CN217544923U/en active Active
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