CN217691631U - Glass fiber reinforced plastic antenna - Google Patents

Abstract

The utility model relates to the technical field of antennas, in particular to a glass fiber reinforced plastic antenna, comprising an N head, a signal line, a first copper tube, a second copper tube, a third copper tube, a fourth copper tube, a fifth copper tube and The sixth copper pipe; one end of the signal line is set at the N head; the first copper pipe includes a first long pipe and a first short pipe; the second copper pipe includes a second long pipe, a second short pipe and The third short pipe; the fourth copper pipe includes a fourth short pipe and a fifth short pipe; the fifth copper pipe includes a fourth long pipe and a sixth short pipe; the sixth copper pipe includes a fifth The long tube, the seventh short tube and the eighth short tube; the length of the signal line is 285±5mm. The utility model can expand the antenna by arranging the first copper tube, the second copper tube, the third copper tube, the fourth copper tube, the fifth copper tube and the sixth copper tube, and setting the size and shape of the copper tubes. The frequency band and the maximum gain of the antenna can reach 9dBi.

Description

A fiberglass antenna

technical field

The utility model relates to the technical field of antennas, in particular to a fiberglass antenna.

Background technique

For the LORA protocol technology, the application of private area network connection and ultra-long-distance fixed-point connection, as well as the use of 4G frequency band, FRP antenna has a wide range of applications. The Chinese patent with the application number CN202122174776.3 discloses the internal components of a high-gain FRP antenna. The frequency band used is only 858-930MHz, which cannot achieve full coverage of the 4G frequency band, and the gain is only 8dBi. There is room for improvement. .

Utility model content

The purpose of this utility model is to provide a fiberglass antenna for the above-mentioned shortcomings in the prior art.

The purpose of this utility model is achieved through the following technical solutions: a glass fiber reinforced plastic antenna, including the N head, the signal line and the first copper tube, the second copper tube, the third copper tube, the fourth copper tube and the fifth copper tube connected in sequence and the sixth copper tube; one end of the signal line is arranged at the N head; the other end of the signal line is used for coupling with the first copper tube, the second copper tube, and the third copper tube;

The first copper tube includes a first long tube with a length of 155±5mm and a first short tube with a length of 53±5mm; the second copper tube includes a second long tube with a length of 86±5mm and a length of 36mm. A second short tube of ±5mm and a third short tube with a length of 36±5mm; the third copper tube is a hollow copper tube with a length of 364±5mm; the fourth copper tube includes a third short tube with a length of 86±5mm A long tube, a fourth short tube with a length of 36±5mm, and a fifth short tube with a length of 36±5mm; the fifth copper tube includes a fourth long tube with a length of 265±5mm and a fourth short tube with a length of 36±5mm Six short tubes; the sixth copper tube includes a fifth long tube with a length of 86±5mm, a seventh short tube with a length of 36±5mm, and an eighth short tube with a length of 36±5mm; the length of the signal line It is 285±5mm.

A first extension coupling is provided between the first copper pipe and the second copper pipe; a second extension coupling is provided between the second copper pipe and the third copper pipe; the third copper pipe and the first copper pipe A third extension coupling is provided between the four copper pipes; a fourth extension coupling is provided between the fourth copper pipe and the fifth copper pipe; a second extension coupling is provided between the fifth copper pipe and the second copper pipe Five extension couplings.

The utility model is further provided that the first extension coupling is a rubber plug with a length of 10.3±2 mm; both ends of the first extension coupling are respectively threaded with the first copper pipe and the second copper pipe.

The utility model is further provided that the second extension coupling is a rubber plug with a length of 15.2±2 mm; both ends of the second extension coupling are respectively threaded with the second copper pipe and the third copper pipe.

The utility model is further configured that the third extension coupling is a rubber plug with a length of 10.3±2 mm; both ends of the third extension coupling are respectively threaded with the third copper pipe and the fourth copper pipe.

The utility model is further configured that the fourth extension coupling is a rubber plug with a length of 10.3±2 mm; both ends of the fourth extension coupling are respectively threaded with the fourth copper pipe and the fifth copper pipe.

The utility model further provides that the fifth extension coupling is a rubber plug with a length of 10.3±2 mm; both ends of the fifth extension coupling are respectively threaded with the fifth copper pipe and the sixth copper pipe.

The utility model is further provided that the FRP antenna further includes an aluminum sleeve and a FRP cover; the FRP cover and the N head are respectively connected to the aluminum sleeve; the length of the aluminum sleeve is 60mm±5mm.

The utility model is further configured as follows: the connection between the first copper tube and the second copper tube is provided with a first foam; the connection between the third copper tube and the fourth copper tube is provided with a second foam; The free end of the sixth copper tube is provided with the third foam.

Beneficial effects of the utility model: the utility model sets the first copper tube, the second copper tube, the third copper tube, the fourth copper tube, the fifth copper tube and the sixth copper tube, and carries out the size and shape of the copper tubes The setting of the antenna can expand the frequency band of the antenna and make the maximum gain of the antenna reach 9dBi.

Description of drawings

Utilize accompanying drawing to further illustrate the utility model, but the embodiment in the accompanying drawing does not constitute any restriction to the present utility model, for those of ordinary skill in the art, under the premise of not paying creative work, also can obtain according to following accompanying drawing Additional drawings.

Fig. 1 is a structural exploded view of the utility model;

Fig. 2 is an exploded view of the structure of the utility model after hiding the glass fiber reinforced plastic cover, the aluminum sleeve and the N head;

Fig. 3 is a sectional view of the utility model;

Fig. 4 is the antenna standing wave test diagram of the present utility model;

Fig. 5 is the antenna amplitude pattern when frequency 700MHz of the utility model;

Fig. 6 is a sectional view of Fig. 5;

Fig. 7 is the antenna amplitude pattern when frequency 960MHz of the utility model;

Fig. 8 is a sectional view of Fig. 7;

Fig. 9 is the antenna amplitude pattern of the utility model when the frequency is 1710MHz;

Fig. 10 is a sectional view of Fig. 9;

Fig. 11 is the antenna amplitude pattern of the utility model when the frequency is 2170MHz;

Fig. 12 is a sectional view of Fig. 11;

Fig. 13 is the antenna amplitude pattern of the utility model when the frequency is 2300MHz;

Fig. 14 is a sectional view of Fig. 13;

Fig. 15 is the antenna amplitude pattern of the utility model when the frequency is 2700MHz;

Fig. 16 is a sectional view of Fig. 15;

Among them: 1. The first copper tube; 11. The first long tube; 12. The first short tube; 2. The second copper tube; 21. The second long tube; 22. The second short tube; 23. The third short tube ; 3, the third copper tube; 4, the fourth copper tube; 41, the third long tube; 42, the fourth short tube; 43, the fifth short tube; 5, the fifth copper tube; 51, the fourth long tube; 52. The sixth short tube; 6. The sixth copper tube; 61. The fifth long tube; 62. The seventh short tube; 63. The eighth short tube; 71. N head; 72. Signal line; 73. Aluminum sleeve ; 74, FRP outer cover; 81, the first extension coupling; 82, the second extension coupling; 83, the third extension coupling; 84, the fourth extension coupling; 85, the fifth extension coupling; 91, the first Foam; 92, the second foam; 93, the third foam.

Detailed ways

The utility model is further described in conjunction with the following examples.

It can be seen from Fig. 1 to Fig. 3 that the FRP antenna described in this embodiment includes an N head 71, a signal line 72, and sequentially connected first copper tube 1, second copper tube 2, third copper tube 3, fourth copper tube Copper tube 4, the fifth copper tube 5 and the sixth copper tube 6; one end of the signal line 72 is arranged on the N head 71; the other end of the signal line 72 is used to communicate with the first copper tube 1 and the second copper tube 2. The third copper pipe 3 is coupled;

The first copper tube 1 includes a first long tube 11 with a length of 155±5mm and a first short tube 12 with a length of 53±5mm; the second copper tube 2 includes a second long tube with a length of 86±5mm 21. The second short pipe 22 with a length of 36±5mm and the third short pipe 23 with a length of 36±5mm; the third copper pipe 3 is a hollow copper pipe with a length of 364±5mm; the fourth copper pipe 4 It includes a third long tube 41 with a length of 86±5mm, a fourth short tube 42 with a length of 36±5mm, and a fifth short tube 43 with a length of 36±5mm; the fifth copper tube 5 includes a length of 265±5mm The fourth long tube 51 and the sixth short tube 52 with a length of 36±5mm; the sixth copper tube 6 includes a fifth long tube 61 with a length of 86±5mm and a seventh short tube 62 with a length of 36±5mm And the eighth short tube 63 with a length of 36±5mm; the length of the signal line 72 is 285±5mm.

Specifically, in the FRP antenna described in this embodiment, the first copper tube 1 is a grounded metal radiation element, the first long tube 11 of the first copper tube 1 cooperates with the aluminum sleeve 73, and the first copper tube 1 The long tube 11 matches the low frequency 700-960MHz, the first short tube 12 matches the high frequency 1700-2700MHz; the second copper tube 2 is a double-sided oscillator, the second short tube 22 of the second copper tube 2 and the third short tube 23 The total length is to match the high frequency 1700-2700MHz, the total length of the second long tube 21 of the second copper tube 2 is to match the low frequency 700-960MHz; the third copper tube 3 is a single coaxial array, and the total length is the second high and low frequency frequency matching At the same time, the gain corresponding to the frequency is increased in the second stage. The third copper tube 3 is a double-sided lower vibrator. The total length of the third copper tube 3 is the third reinforcement to match the frequency of high and low frequencies. At the same time, the gain corresponding to the frequency is increased in the third stage; The fifth copper tube 5 is a unilateral lower vibrator, and the fourth step is to strengthen the overall length and size to match the high and low frequency frequencies. At the same time, the fourth stage increases the corresponding gain of the frequency. The sixth copper tube 6 is a double-sided lower vibrator. The second reinforcement matches the frequency of high and low frequencies, and the fifth stage increases the corresponding gain of the frequency. According to the combination sequence and size shown in the figure, the combination of each link forms a 4G-LTE frequency band and increases the gain to 9dBi. Compared with the traditional fiberglass antenna , effectively improving the antenna gain while expanding the frequency band.

A first extension coupling 81 is provided between the first copper pipe 1 and the second copper pipe 2; a second extension coupling 82 is provided between the second copper pipe 2 and the third copper pipe 3; A third extension coupling 83 is provided between the third copper pipe 3 and the fourth copper pipe 4; a fourth extension coupling 84 is provided between the fourth copper pipe 4 and the fifth copper pipe 5; A fifth extending coupling member 85 is provided between the copper pipe 5 and the second copper pipe 2 .

The fiberglass antenna described in this embodiment, the first extension coupling 81 is a rubber plug with a length of 10.3 ± 2mm; the two ends of the first extension coupling 81 are respectively connected to the first copper tube 1 and the second copper tube 2 threaded connections. Through the above settings, there is no need for welding between the first copper pipe 1 and the second copper pipe 2, and the installation is convenient. At the same time, in the process of signal transmission coupling and extension, it plays the role of impedance matching, ensuring that the antenna is in the frequency range of 700-960MHz And the standing wave ratio of 1700-2700MHz is less than or equal to 3.

The FRP antenna described in this embodiment, the second extension coupling 82 is a rubber plug with a length of 15.2 ± 2mm; the two ends of the second extension coupling 82 are respectively connected to the second copper tube 2 and the third copper tube 3 screw connections. Through the above settings, there is no need for welding between the second copper tube 2 and the third copper tube 3, and the installation is convenient. At the same time, in the process of signal transmission, coupling and extension, it plays the role of impedance matching, ensuring that the antenna is in the frequency range of 700-960MHz And the standing wave ratio of 1700-2700MHz is less than or equal to 3.

The fiberglass antenna described in this embodiment, the third extension coupling 83 is a rubber plug with a length of 10.3 ± 2mm; the two ends of the third extension coupling 83 are respectively connected to the third copper tube 3 and the fourth copper tube 4 threaded connections. Through the above settings, there is no need for welding between the third copper pipe 3 and the fourth copper pipe 4, and the installation is convenient. At the same time, in the process of signal transmission coupling extension, it plays the role of impedance matching, ensuring that the antenna is in the frequency band 700-960MHz And the standing wave ratio of 1700-2700MHz is less than or equal to 3.

The FRP antenna described in this embodiment, the fourth extension coupling 84 is a rubber plug with a length of 10.3 ± 2mm; the two ends of the fourth extension coupling 84 are respectively connected to the fourth copper tube 4 and the fifth copper tube 5 threaded connections. Through the above settings, there is no need for welding between the fourth copper tube 4 and the fifth copper tube 5, and the installation is convenient. At the same time, in the process of signal transmission, coupling and extension, it plays the role of impedance matching, ensuring that the antenna is in the frequency range of 700-960MHz And the standing wave ratio of 1700-2700MHz is less than or equal to 3.

The fiberglass antenna described in this embodiment, the fifth extension coupling 85 is a rubber plug with a length of 10.3 ± 2mm; the two ends of the fifth extension coupling 85 are respectively connected to the fifth copper tube 5 and the sixth copper tube 6 threaded connections. Through the above settings, there is no need for welding between the fifth copper tube 5 and the sixth copper tube 6, which is convenient for installation, and at the same time, it plays the role of impedance matching in the process of signal transmission coupling and extension, ensuring that the antenna is in the frequency range of 700-960MHz And the standing wave ratio of 1700-2700MHz is less than or equal to 3.

A kind of FRP antenna described in this embodiment, the FRP antenna also includes an aluminum sleeve 73 and a FRP cover 74; the FRP cover 74 and the N head 71 are respectively connected to the aluminum sleeve 73; the length of the aluminum sleeve 73 60mm±5mm. The above settings play the role of grounding and frequency matching, and the frequency matching range is 0-3GHz.

The fiberglass antenna described in this embodiment, the connection between the first copper tube 1 and the second copper tube 2 is provided with a first foam 91; the connection between the third copper tube 3 and the fourth copper tube 4 A second foam 92 is provided; the free end of the sixth copper pipe 6 is provided with a third foam 93 . Through the above arrangement, each copper pipe can be stably fixed in the FRP outer cover 74 .

Specifically, through the above size and shape settings, the standing wave ratio of the antenna can be less than or equal to 3 when the frequency band is 700-960MHz and 1700-2700MHz; as shown in Figure 5 and Figure 6, at 700MHz frequency, the maximum gain of the antenna can reach 5.6dBi; as shown in Figure 7 and Figure 8, at the frequency of 960MHz, the maximum gain of the antenna can reach 5.5dBi; as shown in Figure 9 and Figure 10, at the frequency of 1710MHz, the maximum gain of the antenna can reach It reaches 8.1dBi; as shown in Figure 11 and Figure 12, the maximum gain of the antenna can reach 8.2dBi at the frequency of 2170MHz; as shown in Figure 13 and Figure 14, the maximum gain of the antenna can reach 9.7dBi at the frequency of 2300MHz; as shown in Figure 15 and As shown in Figure 16, at the frequency of 2700MHz, the maximum gain of the antenna can reach 9.8dBi. According to the combination sequence and size shown in the figure, the combination of each link forms a 4G-LTE frequency band and increases the gain to 9dBi. Compared with the traditional fiberglass antenna, it effectively improves the antenna gain while expanding the frequency band.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (8)

1. A fiberglass antenna, characterized in that: comprise N head (71), signal line (72) and the first copper tube (1), the second copper tube (2), the third copper tube (3) connected in sequence , the fourth copper tube (4), the fifth copper tube (5) and the sixth copper tube (6); one end of the signal line (72) is located at the N head (71); the signal line (72) The other end is used for coupling with the first copper pipe (1), the second copper pipe (2), and the third copper pipe (3); The first copper tube (1) includes a first long tube (11) with a length of 155±5mm and a first short tube (12) with a length of 53±5mm; the second copper tube (2) includes a length of The second long pipe (21) of 86±5mm, the second short pipe (22) with a length of 36±5mm and the third short pipe (23) with a length of 36±5mm; the third copper pipe (3) is A hollow copper tube with a length of 364±5mm; the fourth copper tube (4) includes a third long tube (41) with a length of 86±5mm, a fourth short tube (42) with a length of 36±5mm and a length of 36 The fifth short pipe (43) of ±5mm; the fifth copper pipe (5) includes a fourth long pipe (51) with a length of 265±5mm and a sixth short pipe (52) with a length of 36±5mm; the The sixth copper tube (6) includes a fifth long tube (61) with a length of 86±5mm, a seventh short tube (62) with a length of 36±5mm, and an eighth short tube (63) with a length of 36±5mm ; The length of the signal line (72) is 285 ± 5mm; A first extension coupling (81) is provided between the first copper pipe (1) and the second copper pipe (2); a first extension coupling (81) is provided between the second copper pipe (2) and the third copper pipe (3). There is a second extension coupling (82); a third extension coupling (83) is provided between the third copper pipe (3) and the fourth copper pipe (4); the fourth copper pipe (4) and A fourth extension coupling (84) is provided between the fifth copper pipes (5); a fifth extension coupling (85) is provided between the fifth copper pipe (5) and the second copper pipe (2). 2. A fiberglass antenna according to claim 1, characterized in that: the first extension coupling (81) is a rubber plug with a length of 10.3±2mm; the two ends of the first extension coupling (81) The first copper pipe (1) and the second copper pipe (2) are respectively threaded. 3. A fiberglass antenna according to claim 1, characterized in that: the second extension coupling (82) is a rubber plug with a length of 15.2±2mm; the two ends of the second extension coupling (82) The second copper pipe (2) and the third copper pipe (3) are respectively threaded. 4. A fiberglass antenna according to claim 1, characterized in that: the third extension coupling (83) is a rubber plug with a length of 10.3±2mm; the two ends of the third extension coupling (83) The third copper pipe (3) and the fourth copper pipe (4) are threadedly connected respectively. 5. A kind of FRP antenna according to claim 1, characterized in that: the fourth extension coupling (84) is a rubber plug with a length of 10.3±2mm; the two ends of the fourth extension coupling (84) The fourth copper pipe (4) and the fifth copper pipe (5) are threadedly connected respectively. 6. A fiberglass antenna according to claim 1, characterized in that: the fifth extension coupling (85) is a rubber plug with a length of 10.3±2mm; the two ends of the fifth extension coupling (85) The fifth copper pipe (5) and the sixth copper pipe (6) are respectively threaded. 7. A kind of FRP antenna according to claim 1, characterized in that: the FRP antenna also includes an aluminum sleeve (73) and a FRP cover (74); the FRP cover (74) and N head (71) respectively connected with the aluminum sleeve (73); the length of the aluminum sleeve (73) is 60mm±5mm. 8. A kind of FRP antenna according to claim 1, characterized in that: a first foam (91) is provided at the junction of the first copper pipe (1) and the second copper pipe (2); A second foam (92) is provided at the junction of the third copper pipe (3) and the fourth copper pipe (4); a third foam (93) is provided at the free end of the sixth copper pipe (6).

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