5G mobile phone antenna design structure for enhancing signals and use method thereof

By designing a 5G mobile phone antenna structure containing multiple antenna components, the existing antenna has solved the problems of small coverage and poor anti-interference, and achieved stronger signal reception capabilities and a more stable user experience.

CN119814912APending Publication Date: 2025-04-11SHENZHEN MAYA COMM EQUIP
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Patent Information

Application Number
CN202510013180.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-04-11

AI Technical Summary

Technical Problem

The existing 5G mobile phone antenna design structure has a small coverage and poor anti-interference, resulting in weak mobile phone signals and affecting the user experience.

Method used

An antenna assembly including main antenna, NFC Antenna, Aux Antenna, WIFI 5G and GPS&WIFI 2.4G was designed to achieve multi-frequency function and coaxial feeding function through mount ground and radiation patch to enhance signal reception strength.

Benefits of technology

By enhancing the signal reception strength, the coverage of mobile phone antennas is expanded, the anti-interference is improved, the mobile phone signal is more stable and the user experience is improved.

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Abstract

The invention relates to the technical field of mobile phone antennas, and provides a 5G mobile phone antenna design structure for enhancing signals and a use method thereof.The 5G mobile phone antenna design structure comprises a mobile phone shell, an outer screen is fixedly installed on one side in the mobile phone shell, and an inner screen is fixedly installed in the mobile phone shell on the inner side of the outer screen; a mainboard is fixedly installed in the mobile phone shell on the side, away from the outer screen, of the inner screen, an antenna assembly is installed on the inner wall of the mobile phone shell on the side of the mainboard, a camera module is fixedly installed on the side, away from the inner screen, of the top of the mainboard, and the switch module is installed on one side of the top of the switch module. And a control module is mounted on the other side of the top of the switch module. Through the arrangement of the antenna assembly, when signals are received, the U-shaped groove can realize a multi-frequency function, the coaxial feed function is realized through the outer conductor and the inner conductor, and through the matching adjustment with a feed point, the impedance matching with a coaxial line is realized, the return loss is reduced, the gain is improved, and the signal strength is enhanced.
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Description

Technical Field

[0001] The present invention relates to the technical field of mobile phone antennas, and in particular to a 5G mobile phone antenna design structure for signal enhancement and a method of using the same. Background Art

[0002] With the continuous advancement of technology, the performance of mobile phones has become more excellent, making the application range of mobile phones more comprehensive. With the continuous coverage of electronic technology, the electromagnetic interference around people has become more serious. The network speed of mobile phones when in use depends on the strength of mobile phone signals. In order to facilitate people's daily use and enhance the sending and receiving signals of mobile phones, a 5G mobile phone antenna design structure for signal enhancement will be used;

[0003] To this end, the patent with authorization announcement number CN214898851U discloses a 5G mobile phone antenna structure, including a 5G mobile phone antenna body and a fixed structure, the 5G mobile phone antenna body also includes an upper shell, an upper heat conductive plate, an oscillator array, a PCB mainboard, a lower heat conductive plate and a lower shell, the top of the upper shell is fixedly connected with an upper heat sink by bolts, the fixed structure also includes a fixing plate, a connecting plate and a fixing ring, an arc groove is opened in the middle of the right side of the fixing plate, a connecting seat is fixedly connected to the bottom of the lower shell, and a lower heat dissipation groove is opened at the bottom of the lower shell. In the utility model, by opening a lower heat dissipation groove at the bottom of the lower shell, the heat generated by the PCB mainboard is transferred to the lower heat dissipation groove through the lower heat conductive plate. Since the lower heat dissipation groove is a "V"-shaped structure, when the external wind blows to the lower heat dissipation groove, the wind rushes into the middle of the lower heat dissipation groove and blows out from both sides of the lower heat dissipation groove 5, so as to improve the full contact between the wind and the lower heat dissipation groove and improve the heat dissipation effect;

[0004] The above-mentioned 5G mobile phone antenna structure improves the heat dissipation effect by using a heat sink when the mobile phone antenna is reused, and realizes the lightning protection effect by using a lightning rod during installation. However, the above-mentioned mobile phone antenna has a small coverage range and poor anti-interference ability, which easily leads to weak mobile phone signals and affects people's usage experience. Summary of the invention

[0005] The purpose of the present invention is to provide a 5G mobile phone antenna design structure for signal enhancement, so as to solve the defects of the existing 5G mobile phone antenna design structure, such as small coverage and poor anti-interference performance.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a 5G mobile phone antenna design structure for signal enhancement, comprising a mobile phone case;

[0007] An outer screen is fixedly installed on one side of the interior of the mobile phone shell, an inner screen is fixedly installed on the interior of the mobile phone shell inside the outer screen, a mainboard is fixedly installed on the interior of the mobile phone shell on the side of the inner screen away from the outer screen, and an antenna assembly is installed on the inner wall of the mobile phone shell on the side of the mainboard;

[0008] A camera module is fixedly mounted on one side of the top of the mainboard away from the inner screen;

[0009] The antenna assembly includes a mounting frame grounding plate, a main antenna, an NFC Antenna, a secondary wire slot, an Aux Antenna, WIFI 5G and GPS&WIFI 2.4G. The mounting frame grounding plate is installed on the inner wall of the mobile phone case on one side of the mainboard by screws. A main wire slot is provided on the side of the mounting frame grounding plate away from the mainboard. A first branch wire slot, a second branch wire slot and a third branch wire slot are provided on the inner side of the main wire slot at the top of the mounting frame grounding plate in sequence. A main antenna is installed inside the main wire slot, an Aux Antenna is installed inside the first branch wire slot, WIFI 5G is installed inside the second branch wire slot, GPS&WIFI 2.4G is installed inside the third branch wire slot, a secondary wire slot is provided at the edge of the camera module, and an NFC Antenna is installed inside the secondary wire slot.

[0010] Preferably, a switch module is installed on one side of the top of the switch module, and a control module is installed on the other side of the top of the switch module.

[0011] Preferably, the control key of the switch module extends to the outside of the mobile phone shell, and the control key of the control module extends to the outside of the mobile phone shell.

[0012] Preferably, a charging module is installed at a middle position of one side of the bottom of the switch module, and power amplifier modules are installed on the inner walls of the switch modules on both sides of the charging module.

[0013] Preferably, the connection end of the charging module extends to the inside of the mobile phone shell, and sound transmission holes are evenly opened inside the mobile phone shell on one side of the power amplifier module.

[0014] Preferably, the switch module, the power amplifier module, the charging module and the control module are all located on the outside of the mounting frame grounding plate, and the camera module is located on the inside of the mounting frame grounding plate.

[0015] Preferably, a radiation patch is evenly fixed on one side inside the main antenna, and a radiation patch is evenly fixed on the other side inside the main antenna.

[0016] Preferably, a U-shaped groove is provided inside the radiation patch, and an inner conductor is fixed on the inner wall of the radiation patch on one side of the U-shaped groove.

[0017] Preferably, an outer conductor is fixed on the inner wall outside the inner conductor, which is located directly below the radiation patch.

[0018] A method for using a 5G mobile phone antenna design structure for enhancing signals includes the following steps:

[0019] S1. Evenly fix the radiator patch on the inner wall of one side of the main antenna, and evenly fix the corresponding position of the radiator patch on the inner wall of the other side of the main antenna. Combine and fix the two sides of the main antenna together, and move the inner conductor to the inner side of the outer conductor.

[0020] S2. The mounting frame is mounted on the inner wall of the mobile phone case by screws, and the mounting frame is mounted on the inner and outer screens by pressing and fixing the inner screens to the inside of the mobile phone case;

[0021] S3. Fix the main antenna, NFC Antenna, Aux Antenna, WIFI 5G and GPS&WIFI 2.4G in the main wire slot, the secondary wire slot, the first branch wire slot, the second branch wire slot and the third branch wire slot in sequence by gluing;

[0022] S4. After the mobile phone is assembled, it is powered by the mobile phone battery. When receiving signals, the U-shaped slot can realize the multi-frequency function, and the coaxial feeding function is realized through the outer conductor and the inner conductor. By matching and adjusting the feeding point, the impedance matching with the coaxial line is realized, the return loss is reduced, the gain is increased, and the signal is enhanced;

[0023] S4. The main antenna surrounds the phone. Whether the phone is held horizontally or vertically, there is always a strong signal. The reception strength of the phone signal is further enhanced through NFC Antenna, Aux Antenna, WIFI 5G and GPS&WIFI 2.4G.

[0024] The present invention provides a 5G mobile phone antenna design structure for enhancing signals, which has the following advantages:

[0025] By providing an antenna assembly, when receiving signals, the U-shaped slot can realize a multi-frequency function, realize a coaxial feeding function through an outer conductor and an inner conductor, and realize impedance matching with the coaxial line through matching adjustment with the feeding point, thereby reducing return loss, increasing gain, and enhancing signal strength;

[0026] Furthermore, the main antenna surrounds the phone. Whether the phone is held horizontally or vertically, there is always a strong signal at one point, making the main antenna cover all directions and more resistant to interference.

[0027] Furthermore, with the assistance of NFC Antenna, Aux Antenna, WIFI 5G and GPS&WIFI 2.4G, the reception strength of the mobile phone signal is further enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a front view schematic diagram of the present invention;

[0029] Figure 2 It is a bottom view schematic diagram of the present invention;

[0030] Figure 3 It is a rear view schematic diagram of the present invention;

[0031] Figure 4 It is a main exploded schematic diagram of the present invention;

[0032] Figure 5 It is a side exploded schematic diagram of the present invention;

[0033] Figure 6 It is an enlarged schematic diagram of the mounting frame of the present invention;

[0034] Figure 7 is a schematic diagram of a main antenna cross section of the present invention;

[0035] Figure 8 It is a top view cross-sectional schematic diagram of the main antenna of the present invention.

[0036] Explanation of the reference numerals in the figure: 1. Mobile phone case; 2. Main board; 21. Switch module; 22. Power amplifier module; 23. Charging module; 24. Control module; 25. Camera module; 3. Antenna assembly; 31. Mounting bracket; 311. Main line slot; 312. First branch line slot; 313. Second branch line slot; 314. Third branch line slot; 32. Main antenna; 321. Ground plate; 322. Radiating patch; 323. U-shaped slot; 324. Outer conductor; 325. Inner conductor; 33. NFC Antenna; 34. Auxiliary line slot; 35. Aux Antenna; 36. WIFI 5G; 37. GPS&WIFI 2.4G; 4. External screen; 5. Internal screen. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1-Figure 8 The present invention provides a 5G mobile phone antenna design structure for signal enhancement, comprising a mobile phone shell 1, an outer screen 4 is fixedly installed on one side of the inside of the mobile phone shell 1, an inner screen 5 is fixedly installed inside the mobile phone shell 1 inside the outer screen 4, and a mainboard 2 is fixedly installed inside the mobile phone shell 1 on the side of the inner screen 5 away from the outer screen 4;

[0039] A camera module 25 is fixedly installed on the side of the top of the mainboard 2 away from the inner screen 5, and an antenna assembly 3 is installed on the inner wall of the mobile phone case 1 on one side of the mainboard 2. The antenna assembly 3 includes a mounting frame grounding plate 31, a main antenna 32, an NFC Antenna 33, a secondary line slot 34, an Aux Antenna 35, WIFI 5G 36 and GPS&WIFI 2.4G 37. The mounting frame grounding plate 31 is installed on the inner wall of the mobile phone case 1 on one side of the mainboard 2 by screws. A main line slot 311 is opened on the side of the mounting frame grounding plate 31 away from the mainboard 2. A first branch line slot 312, a second branch line slot 313 and a third branch line slot 314 are opened in sequence on the inner side of the main line slot 311 at the top of the mounting frame grounding plate 31. The main antenna 32 is installed inside the main line slot 311, the Aux Antenna 35 is installed inside the first branch line slot 312, the WIFI 5G 36 is installed inside the second branch line slot 313, and the GPS&WIFI 2.4G 37 is installed inside the third branch line slot 314. 2.4G37, a secondary line slot 34 is provided at the edge of the camera module 25, an NFC Antenna 33 is installed inside the secondary line slot 34, 321 is evenly fixed on one side of the main antenna 32, a radiation patch 322 is evenly fixed on the other side of the main antenna 32, a U-shaped slot 323 is provided inside the radiation patch 322, an inner conductor 325 is fixed on the inner wall of the radiation patch 322 on one side of the U-shaped slot 323, 321 is located directly below the radiation patch 322, and an outer conductor 324 is fixed on the inner wall of 321 outside the inner conductor 325;

[0040] The switch module 21 is installed on one side of the top of the switch module 21, and the control module 24 is installed on the other side of the top of the switch module 21. The control key of the switch module 21 extends to the outside of the mobile phone case 1, and the control key of the control module 24 extends to the outside of the mobile phone case 1. The charging module 23 is installed at the middle position of one side of the bottom of the switch module 21, and the power amplifier module 22 is installed on the inner wall of the switch module 21 on both sides of the charging module 23. The connection end of the charging module 23 extends to the inside of the mobile phone case 1, and the inside of the mobile phone case 1 on one side of the power amplifier module 22 is evenly provided with sound transmission holes. The switch module 21, the power amplifier module 22, the charging module 23 and the control module 24 are all located on the outside of the mounting frame grounding plate 31, and the camera module 25 is located on the inside of the mounting frame grounding plate 31.

[0041] The mobile phone battery provides power. When receiving signals, the U-shaped groove 323 can realize the multi-frequency function, and the coaxial feeding function is realized through the outer conductor 324 and the inner conductor 325. The impedance matching with the coaxial line is achieved through the matching adjustment with the feeding point, the return loss is reduced and the gain is improved. The main antenna 32 surrounds the mobile phone. Whether the mobile phone is held horizontally or vertically, there is always a strong signal, so that the main antenna 32 covers all directions, increases the coverage range of the mobile phone antenna, and has stronger anti-interference ability. With the assistance of NFCAntenna33, Aux Antenna35, WIFI 5G36 and GPS&WIFI 2.4G37, the reception strength of the mobile phone signal is further enhanced.

[0042] A method for using a 5G mobile phone antenna design structure for enhancing signals includes the following steps:

[0043] S1. Fix 321 evenly on the inner wall of one side of the main antenna 32, and then evenly fix the position of the radiation patch 322 corresponding to 321 on the inner wall of the other side of the main antenna 32, merge and fix the two sides of the main antenna 32 together, and move the inner conductor 325 to the inner side of the outer conductor 324;

[0044] S2. The mounting frame grounding plate 31 is mounted on the inner wall of the mobile phone case 1 by screws, and the mounting frame grounding plate 31 is pressed and fixed to the inner screen 5 and the outer screen 4 inside the mobile phone case 1;

[0045] S3. The main antenna 32, NFC Antenna 33, Aux Antenna 35, WIFI 5G 36 and GPS & WIFI 2.4G 37 are fixed in the main line slot 311, the secondary line slot 34, the first branch line slot 312, the second branch line slot 313 and the third branch line slot 314 in sequence by gluing;

[0046] S4. After the mobile phone is assembled, it is powered by the mobile phone battery. When receiving the signal, the U-shaped groove 323 can realize the multi-frequency function, and the coaxial feeding function is realized through the outer conductor 324 and the inner conductor 325. By adjusting the matching with the feeding point, the impedance matching with the coaxial line is realized, the return loss is reduced, the gain is increased, and the signal is enhanced;

[0047] S4. The main antenna 32 surrounds the mobile phone. Whether the phone is held horizontally or vertically, there is always a strong signal. The reception strength of the mobile phone signal is further enhanced through NFC Antenna 33, Aux Antenna 35, WIFI 5G 36 and GPS & WIFI 2.4G 37.

[0048] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A 5G mobile phone antenna design structure for enhancing signals, comprising a mobile phone case (1); Features: An outer screen (4) is fixedly mounted on one side of the interior of the mobile phone shell (1); an inner screen (5) is fixedly mounted on the interior of the mobile phone shell (1) inside the outer screen (4); a mainboard (2) is fixedly mounted on the interior of the mobile phone shell (1) on the side of the inner screen (5) away from the outer screen (4); an antenna assembly (3) is mounted on the inner wall of the mobile phone shell (1) on the side of the mainboard (2); A camera module (25) is fixedly mounted on a side of the top of the mainboard (2) away from the inner screen (5); The antenna assembly (3) comprises a mounting frame grounding plate (31), a main antenna (32), an NFC antenna (33), a secondary line slot (34), an Aux antenna (35), a WIFI 5G (36) and a GPS & WIFI 2.4G (37). The mounting frame grounding plate (31) is mounted on the inner wall of the mobile phone shell (1) on one side of the main board (2) by means of screws. A main line slot (311) is provided on the side of the mounting frame grounding plate (31) away from the main board (2). A first branch line slot (312), a second branch line slot (313) and a third branch line slot (314) are provided on the inner side of the main line slot (311) at the top of the mounting frame grounding plate (31). The main antenna (32) is installed inside the main line slot (311), the Aux antenna (35) is installed inside the first branch line slot (312), and the WIFI 2.4G (37) is installed inside the second branch line slot (313). 5G (36), a GPS & WIFI 2.4G (37) is installed inside the third branching slot (314), a secondary line slot (34) is opened at the edge of the camera module (25), and an NFC Antenna (33) is installed inside the secondary line slot (34).

2. A 5G mobile phone antenna design structure for signal enhancement according to claim 1, characterized in that: A switch module (21) is installed on one side of the top of the switch module (21), and a control module (24) is installed on the other side of the top of the switch module (21).

3. A 5G mobile phone antenna design structure for signal enhancement according to claim 1, characterized in that: The control keys of the switch module (21) extend to the outside of the mobile phone shell (1), and the control keys of the control module (24) extend to the outside of the mobile phone shell (1).

4. A 5G mobile phone antenna design structure for signal enhancement according to claim 2, characterized in that: A charging module (23) is installed at a middle position on one side of the bottom of the switch module (21), and power amplifier modules (22) are installed on the inner walls of the switch modules (21) on both sides of the charging module (23).

5. A 5G mobile phone antenna design structure for signal enhancement according to claim 3, characterized in that: The connection end of the charging module (23) extends to the inside of the mobile phone shell (1), and sound transmission holes are evenly opened inside the mobile phone shell (1) on one side of the power amplifier module (22).

6. A 5G mobile phone antenna design structure for signal enhancement according to claims 2 and 4, characterized in that: The switch module (21), the power amplifier module (22), the charging module (23) and the control module (24) are all located on the outside of the mounting frame grounding plate (31), and the camera module (25) is located on the inside of the mounting frame grounding plate (31).

7. A 5G mobile phone antenna design structure for signal enhancement according to claim 1, characterized in that: A (321) is evenly fixed on one side inside the main antenna (32), and a radiation patch (322) is evenly fixed on the other side inside the main antenna (32).

8. A 5G mobile phone antenna design structure for signal enhancement according to claim 7, characterized in that: A U-shaped groove (323) is provided inside each of the radiation patches (322), and an inner conductor (325) is fixed on the inner wall of the radiation patch (322) on one side of the U-shaped groove (323).

9. A 5G mobile phone antenna design structure for signal enhancement according to claim 8, characterized in that: The (321) is located directly below the radiation patch (322), and an outer conductor (324) is fixed on the inner wall of the outer side (321) of the inner conductor (325).

10. A method for using a 5G mobile phone antenna design structure for signal enhancement according to claim 7, comprising the following steps, characterized in that: S1. Evenly fix (321) on the inner wall of one side of the main antenna (32), then evenly fix the radiation patch (322) corresponding to the position of (321) on the inner wall of the other side of the main antenna (32), merge and fix the two sides of the main antenna (32) together, and move the inner conductor (325) to the inner side of the outer conductor (324); S2. The mounting frame grounding plate (31) is mounted on the inner wall of the mobile phone case (1) by screws, and the mounting frame grounding plate (31) is pressed and fixed to the inner screen (5) and the outer screen (4) inside the mobile phone case (1); S3. The main antenna (32), NFC Antenna (33), Aux Antenna (35), WIFI 5G (36) and GPS & WIFI2.4G (37) are fixed in sequence in the main line slot (311), the secondary line slot (34), the first branch line slot (312), the second branch line slot (313) and the third branch line slot (314) by gluing; S4. After the mobile phone is assembled, it is powered by the mobile phone battery. When receiving a signal, the U-shaped groove (323) can realize a multi-frequency function, and the coaxial feeding function is realized through the outer conductor (324) and the inner conductor (325). By adjusting the matching with the feeding point, the impedance matching with the coaxial line is realized, the return loss is reduced, the gain is increased, and the signal is enhanced; S4. The main antenna (32) surrounds the mobile phone. Whether the mobile phone is held horizontally or vertically, there is always a strong signal at one point. The reception strength of the mobile phone signal is further enhanced through the NFC Antenna (33), Aux Antenna (35), WIFI 5G (36) and GPS&WIFI 2.4G (37).

Citation Information

Patent Citations

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    CN214898851U

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