A 5G CPE with built-in antenna

Abstract

This invention relates to the field of communication technology, specifically to a 5G CPE with an integrated antenna. It includes a housing, a CPE mainboard assembly, and an antenna assembly. The housing has a cavity for housing the CPE mainboard assembly and the antenna assembly. The antenna assembly includes a first antenna plate, a second antenna plate, and a third antenna plate. The third antenna plate is located within the cavity and divides the cavity into a first cavity and a second cavity. The first, second, and third antenna plates are arranged orthogonally to each other. Two fourth antenna radiators are provided on the inner wall of the second cavity, and these four fourth antenna radiators are arranged opposite each other. Two third antenna radiators are provided on each side of the third antenna plate. Two second antenna radiators are provided on each side of the second antenna plate. Two first antenna radiators are provided on each side of the first antenna plate. This invention improves the isolation between antennas and increases the number of antenna polarization modes, compensating for polarization mismatch losses.

Description

Technical Field

[0001] This invention relates to the field of communication technology, and more specifically to a 5G CPE with a built-in antenna. Background Technology

[0002] CPE, short for Customer Premise Equipment, is a mobile signal access device that receives mobile signals and forwards them as Wi-Fi signals. It converts high-speed 4G or 5G signals into Wi-Fi signals and can support a large number of mobile terminals accessing the internet simultaneously. CPEs are widely used in rural areas, towns, hospitals, workplaces, factories, and residential communities for wireless network access, saving the cost of laying wired networks.

[0003] Since 5G CPE receives 4G and 5G signals and transmits Wi-Fi signals, its antenna system must also include 4G antennas, 5G antennas and Wi-Fi antennas. In order to improve communication capacity, MIMO technology must also be combined. Therefore, the number of antennas will increase exponentially, the antenna density will be high, the distance between antennas will be close, and the mutual coupling will be strong, which will seriously affect the communication rate and communication quality. Summary of the Invention

[0004] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a 5GCPE with a built-in antenna that can improve the isolation between antennas.

[0005] To achieve the above objectives, the specific solution of the present invention is as follows: A 5G CPE with a built-in antenna includes a housing and a CPE motherboard assembly, and further includes an antenna assembly; the housing has a receiving cavity for accommodating the CPE motherboard assembly and the antenna assembly; the antenna assembly includes a first antenna plate, a second antenna plate, and a third antenna plate, all disposed in the receiving cavity; the third antenna plate is located within the receiving cavity; the third antenna plate divides the receiving cavity into a first cavity and a second cavity; the CPE motherboard assembly is located within the second cavity; the middle portions of the first antenna plate, the second antenna plate, and the third antenna plate are orthogonally arranged in pairs; the inner wall of the second cavity is provided with two fourth antenna radiators; the two fourth antenna radiators are arranged opposite to each other; two third antenna radiators are respectively provided on both sides of the third antenna plate; two second antenna radiators are respectively provided on both sides of the second antenna plate; two first antenna radiators are respectively provided on both sides of the first antenna plate.

[0006] The present invention is further configured such that the inner wall of the second cavity is provided with two fifth antenna radiators; the two fifth antenna radiators are arranged opposite to each other; the fourth antenna radiators and the fifth antenna radiators are arranged alternately; the two fourth antenna radiators and the two fifth antenna radiators are equally spaced on the inner wall of the second cavity.

[0007] The present invention is further configured such that both of the first antenna radiators are perpendicular to the third antenna plate; the antenna assembly further includes a sixth antenna radiator A and a sixth antenna radiator B; the sixth antenna radiator A is disposed in the middle of the first antenna plate; the sixth antenna radiator A is perpendicular to the first antenna radiator; the sixth antenna radiator B is disposed in the middle of the second antenna plate; the axial extension line of the sixth antenna radiator B is perpendicular to the axial extension line of the second antenna radiator.

[0008] The present invention is further configured such that a first strip groove is formed in the middle of the first antenna plate; a second strip groove is formed in the middle of the second antenna plate for engaging with the first strip groove; the first antenna plate and the second antenna plate are respectively connected by the first strip groove and the second strip groove to form a cross structure.

[0009] The present invention is further configured such that the bottom of the first antenna plate and the bottom of the second antenna plate are provided with a locking block; the third antenna plate is provided with a locking slot for engaging with the locking block.

[0010] The present invention is further configured such that the third antenna board is provided with a plurality of heat dissipation holes.

[0011] The present invention is further configured such that all heat dissipation holes are located between the vertical projection of the second antenna plate onto the third antenna plate and the vertical projection of the first antenna plate onto the third antenna plate.

[0012] The present invention is further configured such that each of the first antenna radiators includes a first feed point, an upper radiator, and a lower radiator; the upper radiator includes a rectangular portion and an inverted triangular portion connected to each other; the rectangular portion is connected to the first feed point through the inverted triangular portion; the lower radiator includes a horizontal portion and two vertical portions respectively disposed at both ends of the horizontal portion; the horizontal portion is connected to the first feed point; the horizontal portion and the two vertical portions form an inverted "U" shaped structure; and protrusions extend upward from both sides of the top of the horizontal portion.

[0013] The present invention is further configured such that both the sixth antenna radiator A and the sixth antenna radiator B include a sixth feed point, a left radiator, and a right radiator; the left radiator includes a first vertical block and two first horizontal blocks respectively disposed at both ends of the first vertical block; the first vertical block and the two first horizontal blocks together form a "U"-shaped structure; the right radiator includes a second vertical block and two second horizontal blocks respectively disposed at both ends of the second vertical block; the second vertical block and the two second horizontal blocks together form a "U"-shaped structure; both the first horizontal block and the second horizontal block are connected to the sixth feed point.

[0014] The beneficial effects of this invention are: by adopting a three-dimensional layered layout approach, the distance between antennas of the same frequency is maximized. For antennas that are too close together, an orthogonal orientation layout is adopted as much as possible. This can improve the isolation between antennas within a limited space and compensate for polarization mismatch loss. Attached Figure Description

[0015] The invention will be further illustrated with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the invention. For those skilled in the art, other drawings can be obtained based on the following drawings without any creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of the present invention with the housing concealed.

[0018] Figure 3 This is an exploded view of the first antenna board, the second antenna board, and the third antenna board;

[0019] Figure 4 This is a schematic diagram of the second antenna plate.

[0020] Figure 5 This is a schematic diagram of the structure of the first antenna plate;

[0021] Figure 6 This is a top view with the shell hidden.

[0022] Figure 7 This is a schematic diagram of the structure of the sixth antenna radiator A;

[0023] Figure 8 This is a schematic diagram of the structure of the first antenna radiator.

[0024] Wherein: 10-Shell; 11-CPE mainboard assembly; 12-Communication interface; 21-First antenna board; 22-Second antenna board; 23-Third antenna board; 31-First antenna radiator; 32-Second antenna radiator; 33-Third antenna radiator; 34-Fourth antenna radiator; 35-Fifth antenna radiator; 361-Sixth antenna radiator A; 362-Sixth antenna radiator B; 41-First strip slot; 42-Second strip slot; 43-Card block; 44-Card slot; 45-Heat dissipation hole; 310-First feed point; 311-Rectangular part; 312-Inverted triangular part; 313-Horizontal part; 314-Vertical part; 315-Protrusion; 370-Sixth feed point; 371-First vertical block; 372-First horizontal block; 373-Second vertical block; 374-Second horizontal block. Detailed Implementation

[0025] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be given below with reference to the accompanying drawings.

[0026] The accompanying drawings illustrate preferred embodiments of the invention. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough and complete understanding of the disclosure of the invention.

[0027] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0028] like Figure 1-8As shown in the figure, this embodiment describes a 5G system with a built-in antenna. The CPE includes a housing 10 and a CPE mainboard assembly 11, and also includes an antenna assembly. The housing 10 has a cavity for accommodating the CPE mainboard assembly 11 and the antenna assembly. The antenna assembly includes a first antenna plate 21, a second antenna plate 22, and a third antenna plate 23, all disposed in the cavity. The third antenna plate 23 is located within the cavity (not shown in the figure). The third antenna plate 23 divides the cavity into a first cavity (not shown in the figure) and a second cavity (not shown in the figure). The CPE mainboard assembly 11 is located within the second cavity. The middle portions of the first antenna plate 21, the second antenna plate 22, and the third antenna plate 23 are orthogonally arranged. The inner wall of the second cavity is provided with two fourth antenna radiators 34. The two fourth antenna radiators 34 are arranged opposite to each other. Two third antenna radiators 33 are provided on each side of the third antenna plate 23. Two second antenna radiators 32 are provided on each side of the second antenna plate 22. Two first antenna radiators 31 are provided on each side of the first antenna plate 21.

[0029] The CPE motherboard component 11 can be any common CPE circuit motherboard on the market, and its structure is not limited. It can realize the integrated access of wired broadband, IPTV, VoIP and other functions. In order to cooperate with the CPE motherboard component 11, the housing 10 also has several communication interfaces 12.

[0030] Specifically, the first antenna radiator 31 can be a WIFI antenna radiator; the second antenna radiator 32 and the third antenna radiator 33 can both be 5G antenna radiators; and the fourth antenna radiator 34 can be a 4G antenna radiator.

[0031] By setting the third antenna plate 23, the accommodating cavity is divided into a first cavity and a second cavity. The first antenna plate 21 and the second antenna plate 22 are both located in the first cavity. When the radiators are arranged, a three-layer radiation space is formed, consisting of an upper (i.e., the first cavity), a middle (i.e., the third antenna plate 23), and a lower (i.e., the second cavity). This helps to reduce the mutual coupling between two adjacent radiators and improve the isolation between each radiator. By orthogonally arranging the first antenna plate 21, the second antenna plate 22, and the third antenna plate 23 in pairs, the first antenna radiator 31, the second antenna radiator 32, and the third antenna radiator 33 arranged on the first antenna plate 21, the second antenna plate 22, and the third antenna plate 23 will also be orthogonally arranged in pairs. This further reduces mutual coupling and increases the polarization modes of each radiator. By placing the first antenna radiator 31, the second antenna radiator 32, and the third antenna radiator 33 on both sides of the first antenna plate 21, both sides of the second antenna plate 22, and both sides of the third antenna plate 23, respectively, and by placing the fourth antenna radiator 34 opposite to each other on the inner wall of the second cavity, the distance between the two first antenna radiators 31, the distance between the two second antenna radiators 32, the distance between the two third antenna radiators 33, and the distance between the two fourth antenna radiators 34 can be increased as much as possible, thereby improving the isolation.

[0032] like Figure 1-6 As shown in the embodiment, a 5G CPE with a built-in antenna is provided on the inner wall of the second cavity, and two fifth antenna radiators 35 are provided. The two fifth antenna radiators 35 are arranged opposite to each other. The fourth antenna radiator 34 and the fifth antenna radiator 35 are arranged alternately. The two fourth antenna radiators 34 and the two fifth antenna radiators 35 are equally spaced on the inner wall of the second cavity.

[0033] Specifically, the fifth antenna radiator 35 can be a 5G antenna radiator; the fourth antenna radiator 34 can be a 4G antenna radiator.

[0034] With the above arrangement, the two fourth antenna radiators 34 and the fifth antenna radiator 35 are arranged diagonally, which can maximize the distance between radiators of the same frequency and ensure the isolation and radiation omnidirectionality between radiators of the same frequency.

[0035] like Figure 2-6As shown in this embodiment, a 5G CPE with a built-in antenna has two first antenna radiators 31 that are both perpendicular to the third antenna plate 23. The antenna assembly also includes a sixth antenna radiator A 361 and a sixth antenna radiator B 362. The sixth antenna radiator A 361 is located in the middle of the first antenna plate 21 and is perpendicular to the first antenna radiators 31. The sixth antenna radiator B 362 is located in the middle of the second antenna plate 22 and its axial extension line is perpendicular to the axial extension line of the second antenna radiator 32.

[0036] Specifically, the sixth antenna radiator A 361 and the sixth antenna radiator B 362 can be WIFI antenna radiators, and their structures are identical. This arrangement ensures that the antenna radiators of the two radiation frequencies located on the same antenna board are orthogonally positioned. That is, the sixth antenna radiator A 361 is orthogonally positioned with the two first antenna radiators 31, and the sixth antenna radiator B 362 is orthogonally positioned with the two second antenna radiators 32. Since the first antenna board 21 and the second antenna board 22 are perpendicularly positioned, the orthogonal arrangement of the sixth antenna radiators A 361 and B 362 improves the isolation between the antenna radiators and increases their polarization, compensating for polarization mismatch losses.

[0037] like Figure 3-5 As shown in the embodiment, a 5G CPE with a built-in antenna has a first strip groove 41 in the middle of the first antenna plate 21; and a second strip groove 42 in the middle of the second antenna plate 22 for engaging with the first strip groove 41. The first antenna plate 21 and the second antenna plate 22 are respectively connected by the first strip groove 41 and the second strip groove 42 to form a cross structure.

[0038] By setting the first strip slot 41 and the second strip slot 42, the first antenna plate 21 and the second antenna plate 22 can be inserted to form a cross structure, which is beneficial to improve the isolation between antenna radiators and improve radiation omnidirectionality.

[0039] like Figure 3-5 As shown in the embodiment, a 5G CPE with a built-in antenna is provided with a locking block 43 at the bottom of the first antenna plate 21 and the bottom of the second antenna plate 22; the third antenna plate 23 is provided with a slot 44 for engaging with the locking block 43.

[0040] By setting the slot 44 and the block 43, the first antenna board 21 and the second antenna board 22 can be quickly soldered onto the third antenna board 23 during assembly.

[0041] like Figure 2-6 As shown in this embodiment, a 5G CPE with a built-in antenna has multiple heat dissipation holes 45 on the third antenna board 23. These holes are used to enhance heat dissipation and prevent overheating due to poor ventilation, which could affect the working effect of the invention.

[0042] like Figure 5 As shown in the embodiment, in a 5G CPE with a built-in antenna, all the heat dissipation holes 45 are located between the vertical projection of the second antenna plate 22 on the third antenna plate 23 and the vertical projection of the first antenna plate 21 on the third antenna plate 23.

[0043] With the above settings, the size of the heat dissipation holes 45 can be increased as much as possible without affecting the structural strength of the invention, thereby improving the heat dissipation effect.

[0044] like Figure 8 As shown in this embodiment, a 5G CPE with a built-in antenna includes a first antenna radiator 31, each of which includes a first feed point 310, an upper radiator, and a lower radiator. The upper radiator includes a rectangular portion 311 and an inverted triangular portion 312 connected to each other. The rectangular portion 311 is connected to the first feed point 310 through the inverted triangular portion 312. The lower radiator includes a horizontal portion 313 and two vertical portions 314 respectively disposed at both ends of the horizontal portion 313. The horizontal portion 313 is connected to the first feed point 310. The horizontal portion 313 and the two vertical portions 314 form an inverted "U" shaped structure. Both sides of the top of the horizontal portion 313 have upwardly protruding protrusions 315.

[0045] The above settings can further increase the isolation between antenna radiators.

[0046] like Figure 7 As shown in this embodiment, a 5G CPE with a built-in antenna includes a sixth antenna radiator A 361 and a sixth antenna radiator B 362, each comprising a sixth feed point 370, a left radiator, and a right radiator. The left radiator includes a first vertical block 371 and two first horizontal blocks 372 respectively disposed at both ends of the first vertical block 371. The first vertical block 371 and the two first horizontal blocks 372 together form a "U"-shaped structure. The right radiator includes a second vertical block 373 and two second horizontal blocks 374 respectively disposed at both ends of the second vertical block 373. The second vertical block 373 and the two second horizontal blocks 374 together form a "U"-shaped structure. Both the first horizontal blocks 372 and the second horizontal blocks 374 are connected to the sixth feed point 370.

[0047] The above settings can further increase the isolation between antenna radiators.

[0048] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made to the structure, features and principles described in the claims of this patent application are included within the protection scope of this patent application.

Claims

1. A 5G CPE with a built-in antenna, comprising a housing (10) and a CPE motherboard assembly (11), characterized in that: The 5G CPE with built-in antenna also includes an antenna assembly; the housing (10) has a receiving cavity for accommodating the CPE motherboard assembly (11) and the antenna assembly; The antenna assembly includes a first antenna plate (21), a second antenna plate (22), and a third antenna plate (23) all disposed in the accommodating cavity; The third antenna plate (23) is located within the accommodating cavity; the third antenna plate (23) divides the accommodating cavity into a first cavity and a second cavity; the CPE mainboard assembly (11) is located within the second cavity; The middle parts of the first antenna plate (21), the middle parts of the second antenna plate (22), and the middle parts of the third antenna plate (23) are arranged orthogonally to each other; The inner wall of the second cavity is provided with two fourth antenna radiators (34); the two fourth antenna radiators (34) are arranged opposite to each other; Two third antenna radiators (33) are respectively provided on both sides of the third antenna plate (23); Two second antenna radiators (32) are respectively provided on both sides of the second antenna plate (22); Two first antenna radiators (31) are respectively provided on both sides of the first antenna plate (21); The inner wall of the second cavity is also provided with two fifth antenna radiators (35); the two fifth antenna radiators (35) are arranged opposite to each other; the fourth antenna radiator (34) and the fifth antenna radiator (35) are arranged alternately; the two fourth antenna radiators (34) and the two fifth antenna radiators (35) are equally spaced on the inner wall of the second cavity; The two first antenna radiators (31) are arranged perpendicularly to the third antenna plate (23); The antenna assembly also includes a sixth antenna radiator A (361) and a sixth antenna radiator B (362); The sixth antenna radiator A (361) is located in the middle of the first antenna plate (21); the sixth antenna radiator A (361) is arranged perpendicularly to the first antenna radiator (31); The sixth antenna radiator (362) is located in the middle of the second antenna plate (22); the sixth antenna radiator (362) is arranged perpendicularly to the second antenna radiator (32); Each of the first antenna radiators (31) includes a first feed point (310), an upper radiator, and a lower radiator; The upper radiator includes a rectangular portion (311) and an inverted triangular portion (312) connected to each other; the rectangular portion (311) is connected to the first feed point (310) through the inverted triangular portion (312); The lower radiator includes a horizontal part (313) and two vertical parts (314) respectively disposed at both ends of the horizontal part (313); the horizontal part (313) is connected to the first feed point (310); the horizontal part (313) and the two vertical parts (314) form an inverted "U" shaped structure; both sides of the top of the horizontal part (313) have protrusions (315) extending upwards; Both the sixth antenna radiator A (361) and the sixth antenna radiator B (362) include a sixth feed point (370), a left radiator, and a right radiator; The left radiator includes a first vertical block (371) and two first horizontal blocks (372) respectively disposed at both ends of the first vertical block (371); the first vertical block (371) and the two first horizontal blocks (372) together form a "U" shaped structure; The right radiator includes a second vertical block (373) and two second horizontal blocks (374) respectively disposed at both ends of the second vertical block (373); the second vertical block (373) and the two second horizontal blocks (374) together form a "U" shaped structure; the first horizontal block (372) and the second horizontal block (374) are both connected to the sixth feed point (370); The first antenna radiator (31) is a WIFI antenna radiator; the second antenna radiator (32) and the third antenna radiator (33) are both 5G antenna radiators; the fourth antenna radiator (34) is a 4G antenna radiator. The fifth antenna radiator (35) is a 5G antenna radiator; the two fourth antenna radiators (34) are arranged diagonally with the fifth antenna radiator (35); The sixth antenna radiator A (361) and the sixth antenna radiator B (362) are WIFI antenna radiators, and the structures of the sixth antenna radiator A (361) and the sixth antenna radiator B (362) are identical. The sixth antenna radiator A (361) is orthogonally set to the two first antenna radiators (31), the sixth antenna radiator B (362) is orthogonally set to the two second antenna radiators (32), and the first antenna plate (21) and the second antenna plate (22) are set perpendicularly to each other. Therefore, the sixth antenna radiator A (361) and the sixth antenna radiator B (362) are orthogonally set to each other.

2. A 5G CPE with a built-in antenna according to claim 1, characterized in that: The first antenna plate (21) has a first strip groove (41) in the middle; the second antenna plate (22) has a second strip groove (42) in the middle for engaging with the first strip groove (41); the first antenna plate (21) and the second antenna plate (22) are connected by the first strip groove (41) and the second strip groove (42) respectively to form a cross structure.

3. A 5G CPE with a built-in antenna according to claim 2, characterized in that: The bottom of the first antenna plate (21) and the bottom of the second antenna plate (22) are provided with a locking block (43); the third antenna plate (23) is provided with a slot (44) for engaging with the locking block (43).

4. A 5G CPE with a built-in antenna according to claim 1, characterized in that: The third antenna plate (23) is provided with multiple heat dissipation holes (45).

5. A 5G CPE with a built-in antenna according to claim 4, characterized in that: All the heat dissipation holes (45) are located between the vertical projection of the second antenna plate (22) onto the third antenna plate (23) and the vertical projection of the first antenna plate (21) onto the third antenna plate (23).

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