A WIFI antenna module

Abstract

This utility model discloses a WIFI antenna module, including a circuit board and an RF coaxial cable. The circuit board includes a dielectric substrate and a copper foil layer disposed on the dielectric substrate. The copper foil layer has a left-side slot, a middle slot, and a right-side slot. The left-side slots include a first slot, a second slot, a third slot, a fourth slot, a fifth slot, and a rectangular slot. The right-side slots include a sixth slot, a seventh slot, an eighth slot, a ninth slot, and a tenth slot. The middle slots include an eleventh slot, a twelfth slot, a thirteenth slot, a fourteenth slot, a fifteenth slot, a sixteenth slot, and a seventeenth slot. The solder joint between the core wire of the RF coaxial cable and the copper foil layer is located between the twelfth and fourteenth slots, and the solder joint between the network cable of the RF coaxial cable and the copper foil layer is located between the fourteenth and seventeenth slots. This WIFI antenna module achieves multi-band coverage of the existing 2.4G WIFI band, 5G WIFI band, and 6G WIFI band through a unique routing design of the copper foil layer on the dielectric substrate.

Description

Technical Field

[0001] This utility model relates to the field of antenna technology, and in particular to a WIFI antenna module. Background Technology

[0002] With the continuous advancement of wireless communication technology, everyday devices such as smartphones, tablets, and smart home devices all require stable and efficient wireless connections. Currently, multi-band communication is becoming a trend, with different frequency bands supporting different application needs. However, existing Wi-Fi antenna modules have many problems, such as limited frequency band coverage, inability to simultaneously meet the needs of multiple devices for different frequency bands; poor performance, high signal loss, small radiation range, and unstable signal; complex structure, high cost, and difficult installation. All of these factors limit the development of Wi-Fi wireless communication. Utility Model Content

[0003] The technical problem solved by this utility model is to provide a WIFI antenna module that can cover the 2.4G WIFI band, the 5G WIFI band and the 6G WIFI band.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a WIFI antenna module, including a circuit board and a radio frequency coaxial line, the circuit board including a dielectric substrate and a copper foil layer disposed on the dielectric substrate, the copper foil layer having a left side gap, a middle gap and a right side gap;

[0005] The left-side gap includes a first gap, a second gap, a third gap, a fourth gap, a fifth gap, and a rectangular gap. The first gap is vertically connected to the lower edge of the copper foil layer. The second gap is located to the right of the first gap and is vertically connected to the first gap. The third gap is vertically connected to the first gap. The third gap is vertically connected to the rectangular gap and the fourth gap. The fourth gap is vertically connected to the fifth gap. The fifth gap and the third gap are located on the same side of the fourth gap.

[0006] The right-side gap includes the sixth gap, the seventh gap, the eighth gap, the ninth gap, and the tenth gap. The sixth gap is vertically connected to the lower edge of the copper foil layer. The seventh gap is located to the left of the sixth gap and is vertically connected to the sixth gap. The eighth gap includes a first segment and a second segment that are connected. The second segment is located to the left of the first segment and the width of the second segment is greater than the width of the first segment. The first segment is vertically connected to the end of the sixth gap and the ninth gap. The ninth gap and the seventh gap are located on the same side of the first segment. The ninth gap is vertically connected to the tenth gap. The sixth gap and the tenth gap are located on different sides of the ninth gap.

[0007] The central gap includes the eleventh gap, the twelfth gap, the thirteenth gap, the fourteenth gap, the fifteenth gap, the sixteenth gap, and the seventeenth gap. The eleventh gap is vertically connected to the upper edge of the copper foil layer. The two sides of the end of the eleventh gap are vertically connected to the twelfth gap and the thirteenth gap, respectively. The thirteenth gap is far away from the left gap. The two ends of the fourteenth gap are vertically connected to the twelfth gap and the fifteenth gap, respectively. The two ends of the sixteenth gap are vertically connected to the fifteenth gap and the seventeenth gap, respectively. The two ends of the seventeenth gap are located below the second gap and below the seventh gap, respectively.

[0008] The solder joint between the core wire and the copper foil layer of the RF coaxial cable is located between the twelfth and fourteenth slots, and the solder joint between the network cable and the copper foil layer of the RF coaxial cable is located between the fourteenth and seventeenth slots.

[0009] In one embodiment, the end of the first slit connects to the third slit.

[0010] In one embodiment, one end of the third slit is connected to the rectangular slit, and the other end of the third slit is perpendicularly connected to one end of the fourth slit.

[0011] In one embodiment, the other end of the fourth slit is perpendicularly connected to one end of the fifth slit.

[0012] In one embodiment, the fourth gap is located on the side of the third gap away from the second gap.

[0013] In one embodiment, the end of the first segment furthest from the second segment is perpendicularly connected to one end of the ninth slit.

[0014] In one embodiment, the other end of the ninth slit is perpendicularly connected to one end of the tenth slit.

[0015] In one embodiment, the width of the thirteenth slit is greater than the width of the twelfth slit, the distance between the thirteenth slit and the upper edge of the copper foil layer is greater than the distance between the twelfth slit and the upper edge of the copper foil layer, and the distance between the thirteenth slit and the lower edge of the copper foil layer is less than the distance between the twelfth slit and the lower edge of the copper foil layer.

[0016] In one embodiment, both the twelfth and fifteenth slits are located to the right of the fourteenth slit.

[0017] In one embodiment, the fifteenth slit is located to the left of the sixteenth slit.

[0018] The beneficial effects of this utility model are as follows: This WIFI antenna module achieves multi-band coverage of the existing 2.4G WIFI band, 5G WIFI band and 6G WIFI band through the unique wiring design of the copper foil layer on the dielectric substrate. It has excellent antenna performance, which can meet the needs of modern wireless communication devices for multi-band wireless connection, and is conducive to improving the compatibility and applicability of the device. It overcomes the defect of needing to set up multiple WIFI antennas to achieve multi-band WIFI antenna. In addition, the overall structure of this WIFI antenna module is simple, which can simplify the installation process, reduce costs, and can be widely adapted to a variety of communication devices, which is conducive to promoting the development of wireless communication technology. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of the WIFI antenna module in Example 1;

[0021] Figure 2 This is a front view of the WIFI antenna module in Embodiment 1;

[0022] Figure 3 The image shows the simulation curve of the S11 parameter of the WIFI antenna module in Example 1.

[0023] Explanation of icon numbers:

[0024] 1. Dielectric substrate;

[0025] 2. Copper foil layer; 21. Left side gap; 211. First gap; 212. Second gap; 213. Third gap; 214. Fourth gap; 215. Fifth gap; 216. Rectangular gap; 22. Right side gap; 221. Sixth gap; 222. Seventh gap; 223. Eighth gap; 2231. First section; 2232. Second section; 224. Ninth gap; 225. Tenth gap; 23. Middle gap; 231. Eleventh gap; 232. Twelfth gap; 233. Thirteenth gap; 234. Fourteenth gap; 235. Fifteenth gap; 236. Sixteenth gap; 237. Seventeenth gap;

[0026] 3. RF coaxial cable; 31. Core wire; 32. Network cable. Detailed Implementation

[0027] The purpose, features, and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings.

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] It should be noted that if the embodiments of this utility model involve directional indicators such as up, down, left, right, front, back, etc., the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indicators will also change accordingly.

[0030] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features.

[0031] Furthermore, if the meaning of "and / or" appears throughout the text, it refers to three parallel solutions. For example, "and / or" includes solution 1, solution 2, and solution 3, which simultaneously satisfy the above conditions. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0032] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0033] Example 1

[0034] Please refer to Figures 1 to 3 The first embodiment of this utility model is as follows: Please refer to... Figure 1 and Figure 2A WIFI antenna module includes a circuit board and a radio frequency coaxial cable 3. The circuit board includes a dielectric substrate 1 and a copper foil layer 2 disposed on the dielectric substrate 1. The copper foil layer 2 is provided with a left side gap 21, a middle gap 23 and a right side gap 22.

[0035] The left gap 21 includes a first gap 211, a second gap 212, a third gap 213, a fourth gap 214, a fifth gap 215, and a rectangular gap 216. The first gap 211 is vertically connected to the lower edge of the copper foil layer 2. The second gap 212 is located to the right of the first gap 211 and is vertically connected to the first gap 211. The third gap 213 is vertically connected to the end of the first gap 211. One end of the third gap 213 is connected to the rectangular gap 216. The other end of the third gap 213 is vertically connected to one end of the fourth gap 214. The fourth gap 214 is located on the side of the third gap 213 away from the second gap 212. The other end of the fourth gap 214 is vertically connected to one end of the fifth gap 215. The fifth gap 215 and the third gap 213 are located on the same side of the fourth gap 214.

[0036] The right-side gap 22 includes a sixth gap 221, a seventh gap 222, an eighth gap 223, a ninth gap 224, and a tenth gap 225. The sixth gap 221 is perpendicularly connected to the lower edge of the copper foil layer 2. The seventh gap 222 is located to the left of the sixth gap 221 and is perpendicularly connected to the sixth gap 221. The eighth gap 223 includes a first segment 2231 and a second segment 2232 that are connected. The second segment 2232 is located to the left of the first segment 2231. The width of 2 is greater than the width of the first segment 2231. The first segment 2231 is perpendicularly connected to the end of the sixth gap 221. The end of the first segment 2231 away from the second segment 2232 is perpendicularly connected to one end of the ninth gap 224. The ninth gap 224 and the seventh gap 222 are located on the same side of the first segment 2231. The other end of the ninth gap 224 is perpendicularly connected to one end of the tenth gap 225. The sixth gap 221 and the tenth gap 225 are located on different sides of the ninth gap 224.

[0037] The central gap 23 includes an eleventh gap 231, a twelfth gap 232, a thirteenth gap 233, a fourteenth gap 234, a fifteenth gap 235, a sixteenth gap 236, and a seventeenth gap 237. The eleventh gap 231 is perpendicularly connected to the upper edge of the copper foil layer 2. The two sides of the end of the eleventh gap 231 are perpendicularly connected to the twelfth gap 232 and the thirteenth gap 233, respectively. The thirteenth gap 233 is far away from the left gap 21. The width of the thirteenth gap 233 is greater than the width of the twelfth gap 232. The distance between the thirteenth gap 233 and the upper edge of the copper foil layer 2 is greater than the distance between the twelfth gap 232 and the upper edge of the copper foil layer 2. The distance between the thirteenth gap 233 and the lower edge of the copper foil layer 2 is less than the distance between the twelfth gap 232 and the lower edge of the copper foil layer 2. The two ends of the fourteenth gap 234 are perpendicularly connected to the twelfth gap 232 and the fifteenth gap 235 respectively. The twelfth gap 232 and the fifteenth gap 235 are both located to the right of the fourteenth gap 234. The two ends of the sixteenth gap 236 are perpendicularly connected to the fifteenth gap 235 and the seventeenth gap 237 respectively. The fifteenth gap 235 is located to the left of the sixteenth gap 236. The two ends of the seventeenth gap 237 are located below the second gap 212 and below the seventh gap 222 respectively.

[0038] The solder joint between the core wire 31 of the RF coaxial cable 3 and the copper foil layer 2 is located between the twelfth gap 232 and the fourteenth gap 234, and the solder joint between the mesh wire 32 of the RF coaxial cable 3 and the copper foil layer 2 is located between the fourteenth gap 234 and the seventeenth gap 237; the other end of the RF coaxial cable 3 is provided with an electrical connection terminal.

[0039] In this WIFI antenna module, the substrate material can be selected from materials such as FR4. FR4 material, as the support structure of the antenna, has good electrical and mechanical properties and can provide a stable foundation for the special wiring of the antenna. The special wiring of the antenna is carefully designed to achieve effective reception and transmission of signals in multiple frequency bands.

[0040] At different frequency bands, the special traces on the surface of this Wi-Fi antenna module generate specific current distributions according to the signal frequency. In the 2.4-2.5GHz band, the surface current forms standing waves on specific radiating branches, which convert electrical energy into electromagnetic waves radiated into space. Similarly, in other frequency bands such as 5.15-5.85GHz and 5.95-7.125GHz, specific current distributions are generated on the radiating branches designed for the corresponding frequency bands, achieving signal radiation. Power is supplied via an RF coaxial cable connection, providing a stable signal input and output channel for the antenna.

[0041] Figure 3 The following is a simulation curve of the S11 parameters of this WIFI antenna module. Figure 3It can be seen that this WIFI antenna module can simultaneously cover multiple frequency bands such as WIFI 2.4-2.5GHz, WIFI 5G (5.15-5.85GHz), WIFI 6, WIFI 6E, and WIFI 7 (5.95-7.125GHz), which can meet the needs of modern wireless communication devices for WIFI multi-band connection.

[0042] The above are merely optional embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the contents of this utility model specification and drawings under the utility model concept, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A WIFI antenna module, characterized in that: The circuit board includes a circuit board and an RF coaxial cable. The circuit board includes a dielectric substrate and a copper foil layer disposed on the dielectric substrate. The copper foil layer is provided with a left-side gap, a middle gap and a right-side gap. The left-side gap includes a first gap, a second gap, a third gap, a fourth gap, a fifth gap, and a rectangular gap. The first gap is vertically connected to the lower edge of the copper foil layer. The second gap is located to the right of the first gap and is vertically connected to the first gap. The third gap is vertically connected to the first gap. The third gap is vertically connected to the rectangular gap and the fourth gap. The fourth gap is vertically connected to the fifth gap. The fifth gap and the third gap are located on the same side of the fourth gap. The right-side gap includes the sixth gap, the seventh gap, the eighth gap, the ninth gap, and the tenth gap. The sixth gap is vertically connected to the lower edge of the copper foil layer. The seventh gap is located to the left of the sixth gap and is vertically connected to the sixth gap. The eighth gap includes a first segment and a second segment that are connected. The second segment is located to the left of the first segment and the width of the second segment is greater than the width of the first segment. The first segment is vertically connected to the end of the sixth gap and the ninth gap. The ninth gap and the seventh gap are located on the same side of the first segment. The ninth gap is vertically connected to the tenth gap. The sixth gap and the tenth gap are located on different sides of the ninth gap. The central gap includes the eleventh gap, the twelfth gap, the thirteenth gap, the fourteenth gap, the fifteenth gap, the sixteenth gap, and the seventeenth gap. The eleventh gap is vertically connected to the upper edge of the copper foil layer. The two sides of the end of the eleventh gap are vertically connected to the twelfth gap and the thirteenth gap, respectively. The thirteenth gap is far away from the left gap. The two ends of the fourteenth gap are vertically connected to the twelfth gap and the fifteenth gap, respectively. The two ends of the sixteenth gap are vertically connected to the fifteenth gap and the seventeenth gap, respectively. The two ends of the seventeenth gap are located below the second gap and below the seventh gap, respectively. The solder joint between the core wire and the copper foil layer of the RF coaxial cable is located between the twelfth and fourteenth slots, and the solder joint between the network cable and the copper foil layer of the RF coaxial cable is located between the fourteenth and seventeenth slots. 2.The WIFI antenna module of claim 1, wherein: The end of the first gap connects to the third gap. 3.The WIFI antenna module of claim 1, wherein: One end of the third gap connects to the rectangular gap, and the other end of the third gap connects perpendicularly to one end of the fourth gap.

4. The WIFI antenna module of claim 3, wherein: The other end of the fourth slit is perpendicularly connected to one end of the fifth slit.

5. The WIFI antenna module of claim 1, wherein: The fourth gap is located on the side of the third gap that is furthest from the second gap.

6. The WIFI antenna module of claim 1, wherein: The end of the first segment furthest from the second segment is perpendicularly connected to the end of the ninth gap.

7. The WIFI antenna module of claim 6, wherein: The other end of the ninth gap is perpendicularly connected to one end of the tenth gap.

8. The WIFI antenna module according to claim 1, characterized in that: The width of the thirteenth slit is greater than the width of the twelfth slit. The distance between the thirteenth slit and the upper edge of the copper foil layer is greater than the distance between the twelfth slit and the upper edge of the copper foil layer. The distance between the thirteenth slit and the lower edge of the copper foil layer is less than the distance between the twelfth slit and the lower edge of the copper foil layer.

9. The WIFI antenna module of claim 1, wherein: Both the twelfth and fifteenth gaps are located to the right of the fourteenth gap.

10. The WIFI antenna module of claim 1, wherein: The fifteenth gap is located to the left of the sixteenth gap.

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