CN210120228U - WIFI dual-frenquency patch antenna - Google Patents
WIFI dual-frenquency patch antenna Download PDFInfo
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- CN210120228U CN210120228U CN201921131186.9U CN201921131186U CN210120228U CN 210120228 U CN210120228 U CN 210120228U CN 201921131186 U CN201921131186 U CN 201921131186U CN 210120228 U CN210120228 U CN 210120228U
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Abstract
The utility model discloses a WIFI dual-frenquency patch antenna, including two-sided printing board, the fixed antenna path that is equipped with on two-sided printing board, the fixed patch leg subassembly that is equipped with in back of two-sided printing board, the antenna path includes first antenna route, the second antenna route, third antenna route, fourth antenna route and fifth antenna route, first antenna route, second antenna route and the fixed front of locating two-sided printing board of third antenna route, the fixed back of locating two-sided printing board of fourth antenna route and fifth antenna route, first antenna route switches on through second antenna route and third antenna route, fourth antenna route and fifth antenna route switch on. The utility model relates to a WIFI dual-frenquency patch antenna can provide the higher signal of price/performance ratio through dual-frenquency patch antenna, and the antenna can be through the antenna circuit through the hookup each other, convenient and fast, patch antenna's performance is good, and the debugging degree of difficulty is low, and the price/performance ratio is on the high side.
Description
Technical Field
The utility model relates to an antenna field, in particular to WIFI dual-frenquency patch antenna.
Background
Due to long-time technology accumulation, the structure of the traditional handheld terminal such as a mobile phone and a tablet tends to be extremely consistent on the basis of meeting various indexes, the environment requirement of the antenna can be compressed to the utmost extent, and therefore the antenna is often customized for each type. With the development and popularization of the internet of things technology, a large number of intelligent terminals applied to different scenes are generated. The antenna essential for signal transmission is different from the traditional mobile phone, tablet and other terminals in design. Mainly because most emerging terminal clients have no experience on communication technology, communication processing on a mainboard is generally solved by outsourcing for special module manufacturers, and the antenna is randomly applied to some general antennas on the market, however, when the use environment of the antennas is different from that of the terminal, ideal communication effect is difficult to achieve. The external antenna can avoid the problem that the difference of the internal environment of the whole machine leads to signal deviation, but the cost of the external antenna is more than 1 time higher than that of the internal antenna. Therefore, it is necessary to design a built-in general-purpose antenna to be fitted with a communication module to solve this problem.
Emerging internet of things terminals select appropriate communication modes according to different use scenes, and currently, the most common communication modes include bluetooth, WIFI, LORA, NB-LOT,2/3/4G and the like. And as for home terminals, WIFI communication is most commonly used. Conventional WIFI antennas fall into four categories: 1. the external antenna has excellent performance, low debugging difficulty and low cost performance; 2. the built-in coaxial cable is welded with the FPC antenna, so that the performance is good, the debugging difficulty is moderate, and the cost performance is general; 3. the stainless steel plug-in antenna has good performance, moderate debugging difficulty and general cost performance; 4. the onboard microstrip antenna has poor performance, low debugging difficulty and no cost performance. Aiming at the problems, a signal solution scheme with higher cost performance is provided for adapting to the antenna requirements of the WIFI terminal of the Internet of things, particularly the antenna requirements of the network set top box needle with huge shipment at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a WIFI dual-frenquency patch antenna to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the WIFI dual-frequency patch antenna comprises a double-sided printed board, an antenna path is fixedly arranged on the double-sided printed board, and a patch leg assembly is fixedly arranged on the back of the double-sided printed board.
The antenna line is through including first antenna route, second antenna route, third antenna route, fourth antenna route and fifth antenna route, first antenna route, second antenna route and third antenna route are fixed and are located the front of two-sided printed board, the fixed back of locating two-sided printed board in fourth antenna route and fifth antenna route, first antenna route switches on through second antenna route and third antenna route, fourth antenna route and fifth antenna route switch on.
The patch leg assembly comprises a first patch leg, a second patch leg, a third patch leg, a fourth patch leg and a fifth patch leg.
Through holes are formed in two sides of the bottom end of the double-sided printed board, and the third antenna path is conducted with the fourth antenna path through the through holes.
And positioning holes are formed in two sides of the double-sided printed board.
The thickness range of the double-sided printed board is 3 +/-0.1 mm.
The utility model discloses a technological effect and advantage:
1. the utility model can ensure the height of the antenna to the ground to reach 3 +/-0.1 mm through the thickness of the PCB plate, thereby increasing the radiation efficiency of the antenna, and the PCB material can increase the dielectric constant of the antenna, thereby reducing the required area of the antenna to a certain extent, thereby reducing the overall dimension of the antenna;
2. the utility model discloses a first paster leg switches on with the mainboard, and fourth paster leg is connected with fifth paster leg and switches on with the signal feed point, and second paster leg and third paster leg are the foot that hangs.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
fig. 2 is a schematic view of the back structure of the present invention.
In the figure: 1. a double-sided printed board; 2. an antenna path; 201. a first antenna path; 202. a second antenna path; 203. a third route path; 204. a fourth antenna path; 205. a fifth antenna path; 3. positioning holes; 4. a through hole; 5. a patch fillet assembly; 501. a first patch fillet; 502. a second patch fillet; 503. a third tab fillet leg; 504. a fourth patch fillet weld; 505. and a fifth patch leg.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a WIFI dual-frenquency patch antenna as shown in fig. 1-2, including two-sided printing board 1, the fixed antenna route 2 that is equipped with on two-sided printing board 1, the fixed paster leg subassembly 5 that is equipped with in the back of two-sided printing board 1, the thickness scope of two-sided printing board 1 is 3 0.1mm, the material of two-sided printing board 1 is PCB, the PCB board of 3 0.1mm thickness scope, can guarantee on the one hand that the antenna highly reaches 3 +/-0.1 mm to ground, thereby increase antenna radiation efficiency, the multiplicable antenna dielectric constant of on the other hand PCB material, thereby can reduce the required area of antenna to a certain extent, therefore reduce antenna overall dimension.
The antenna line 2 includes a first antenna path 201, a second antenna path 202, a third antenna path 203, a fourth antenna path 204, and a fifth antenna path 205, the first antenna path 201, the second antenna path 202, and the third antenna path 203 are fixedly provided on the front surface of the double-sided printed board 1, the fourth antenna path 204 and the fifth antenna path 205 are fixedly provided on the back surface of the double-sided printed board 1, the first antenna path 201 is conducted with the third antenna path 203 through the second antenna path 202, and the fourth antenna path 204 is conducted with the fifth antenna path 205.
The patch leg assembly 5 includes a first patch leg 501, a second patch leg 502, a third patch leg 503, a fourth patch leg 504, and a fifth patch leg 505, the first patch leg 501 is conducted with the motherboard, the fourth patch leg 504 is connected with the fifth patch leg 505 and conducted with the signal feed point, and the second patch leg 502 and the third patch leg 503 are suspended legs.
Through-hole 4 has all been seted up to the bottom both sides of two-sided printed board 1, and the third day circuit passes through-hole 4 through 203 and switches on with fourth antenna route 204, and locating hole 3 has all been seted up to two-sided printed board 1's both sides, and the antenna route 2 connection of the two-sided printed board 1 front and the back of being convenient for switches on through-hole 4 is convenient for fix a position two-sided printed board 1 through locating hole 3.
This practical theory of operation:
the clearance is made under the antenna, so that the radiation of the antenna is greatly improved. Presetting the clearance width to be 25MM and the height to be 3MM, and debugging on the basis;
the frequency ranges of the WIFI dual-band antenna are 2420-2470M and 5100-5850M. Firstly, 2420 and 2470 bands are used as the low bands. In the PIFA antenna form, the fourth patch solder leg 504 is used as a signal input point, the first patch solder leg 501 is used as a ground feed point, and the two feed legs are connected to the third antenna path 203 on the front side of the double-sided printed board 1 through the two through holes 4. According to the electromagnetic wave theory, the physical length of the PIFA antenna is one fourth of the wavelength of the frequency, so that the physical length of 2420-year 2470M antenna is converted to be 30MM, the length of the second antenna line through the 202 via the through hole 4 close to the second antenna line through the 202, the length of the first antenna line through the 201 is preset to be 30MM, and the length of the second antenna line through the 202 and the length of the first antenna line through the 201 are correspondingly adjusted by means of network division measurement S11 parameters, so that the central frequency point of the path corresponding to the antenna resonance reaches 2450M, thereby realizing 2420-year 2470M frequency band resonance, according to the electromagnetic wave transmission theory, the antenna main resonance can generate multiple harmonics at the frequency of N +1 times, and similarly, the second antenna line through the 202 and the first antenna line through the 201 can generate 2-th harmonics at 5000-year 5300M;
the depth of the 2 nd harmonic wave can be changed 2420 and 2470M by adjusting the length of the third day line 203 through the network division measurement S11 parameter, and the length of the 2 nd harmonic wave can be adjusted in a proportional ratio;
designing another branch at the bottom of the PCB along the fourth antenna path 204 for the fourth patch solder leg 504 to generate another resonance, and as the antenna length gradually increases, controlling the harmonic frequency in the range of 5300-5850M by the network component measurement S11 parameter, and simultaneously merging with the 2 nd resonance of 2420-2470M to form 5100-5180M harmonic;
better performance is achieved by adjusting the width of the antenna headroom to 28.9MM and the height of the headroom to 3.5MM, although further improvements in both dimensions will result, thus setting the headroom to the region of 28.9 x 3.5 MM.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a WIFI dual-frenquency patch antenna, includes two-sided printing board (1), its characterized in that: an antenna path (2) is fixedly arranged on the double-sided printed board (1), and a patch welding leg assembly (5) is fixedly arranged on the back of the double-sided printed board (1).
2. The WIFI dual-band patch antenna of claim 1, wherein: the antenna line (2) comprises a first antenna line path (201), a second antenna line path (202), a third antenna line path (203), a fourth antenna line path (204) and a fifth antenna line path (205), the first antenna line path (201), the second antenna line path (202) and the third antenna line path (203) are fixedly arranged on the front face of the double-sided printed board (1), the fourth antenna line path (204) and the fifth antenna line path (205) are fixedly arranged on the back face of the double-sided printed board (1), the first antenna line path (201) is conducted with the third antenna line path (203) through the second antenna line path (202), and the fourth antenna line path (204) and the fifth antenna line path (205) are conducted.
3. The WIFI dual-band patch antenna of claim 1, wherein: the patch leg assembly (5) includes a first patch leg (501), a second patch leg (502), a third patch leg (503), a fourth patch leg (504), and a fifth patch leg (505).
4. The WIFI dual-band patch antenna of claim 1, wherein: through-holes (4) have all been seted up to the bottom both sides of two-sided printed board (1), the third day circuit is through (203) through-hole (4) and fourth antenna route (204) switch on.
5. The WIFI dual-band patch antenna of claim 1, wherein: positioning holes (3) are formed in the two sides of the double-sided printed board (1).
6. The WIFI dual-band patch antenna of claim 1, wherein: the thickness range of the double-sided printed board (1) is 3 +/-0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131186.9U CN210120228U (en) | 2019-07-18 | 2019-07-18 | WIFI dual-frenquency patch antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131186.9U CN210120228U (en) | 2019-07-18 | 2019-07-18 | WIFI dual-frenquency patch antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210120228U true CN210120228U (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921131186.9U Active CN210120228U (en) | 2019-07-18 | 2019-07-18 | WIFI dual-frenquency patch antenna |
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| CN (1) | CN210120228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018506A (en) * | 2020-08-31 | 2020-12-01 | 广东小天才科技有限公司 | Power supply device applied to wearable equipment and portable equipment |
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2019
- 2019-07-18 CN CN201921131186.9U patent/CN210120228U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018506A (en) * | 2020-08-31 | 2020-12-01 | 广东小天才科技有限公司 | Power supply device applied to wearable equipment and portable equipment |
| CN112018506B (en) * | 2020-08-31 | 2021-11-23 | 广东小天才科技有限公司 | Power supply device applied to wearable equipment and portable equipment |
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