Compact low-frequency oscillator

Abstract

The utility model discloses a compact low-frequency oscillator, which comprises a balun seat, four oscillator arms are annularly distributed at the top of the balun seat, four supporting cross beams are distributed on the oscillator arms around the center of the balun seat in a fan-shaped manner, a feed part is arranged at one end, close to the balun seat, of each oscillator arm, and the other end, close to the balun seat, of each oscillator arm is provided with a feed port. One ends of the four supporting cross beams are connected through the feed part, and the other ends of the four supporting cross beams are connected through an arc beam; according to the compact low-frequency oscillator, the overall supporting strength of the oscillator arms is increased by utilizing the four supporting cross beams distributed in the fan shape, the overall fan-shaped strength of the oscillator arms is improved, the problem of deformation of the oscillator arms in the using process is avoided, in addition, the problem that the working frequency band of the compact low-frequency oscillator is narrow is effectively solved through the design, the working frequency band reaches 698MHz-960MHz, and the service life of the compact low-frequency oscillator is prolonged. And the working frequency band of the compact low-frequency oscillator is effectively expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of communication equipment, in particular to a compact low-frequency vibrator. Background Art

[0002] Most existing compact low-frequency oscillators adopt a hollow structure, which results in insufficient overall strength of the oscillator. After long-term use, it is easy to deform, which greatly affects the working frequency band of the oscillator. In addition, the working frequency band of most existing compact low-frequency oscillators is 806MHz-960MHz, and the overall working frequency band is relatively narrow.

[0003] It can be seen that the existing technology still needs to be improved and enhanced. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a compact low-frequency vibrator, which can enhance the overall strength of the vibrator, make the overall structure of the vibrator more stable, and not prone to deformation.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A compact low-frequency vibrator comprises a balun seat, wherein four vibrator arms are distributed in a ring on the top of the balun seat, and four supporting beams are distributed in a fan shape around the center of the balun seat on the vibrator arms. A feeding part is arranged at one end of the vibrator arm close to the balun seat, one ends of the four supporting beams are connected through the feeding part, and the other ends of the four supporting beams are connected through an arc beam.

[0007] In the compact low-frequency vibrator, two adjacent inner supporting beams are connected by a reinforcing beam.

[0008] In the compact low-frequency vibrator, a first spacing groove is formed between adjacent vibrator arms; a second spacing groove is arranged on the balun seat corresponding to the spacing groove, and the second spacing groove is connected to the first spacing groove.

[0009] In the compact low-frequency vibrator, an adjustment column is arranged at the bottom of the arc beam.

[0010] In the compact low-frequency vibrator, a feeding groove is provided on one side of the feeding part close to the center of the balun seat, and a feeding connector is provided in the feeding groove; a feeding sheet is provided in the feeding groove, and the feeding sheet is electrically connected to the feeding connector.

[0011] In the compact low-frequency vibrator, a fixing hole is provided on a side of the feeding portion away from the center of the balun seat.

[0012] In the compact low-frequency vibrator, the balun seat is integrally formed with the four vibrator arms.

[0013] In the compact low-frequency vibrator, a mounting screw hole is provided at the bottom of the balun seat.

[0014] Beneficial effects:

[0015] The utility model provides a compact low-frequency vibrator, which utilizes four supporting beams distributed in a fan shape to increase the overall supporting strength of the vibrator arm, thereby improving the strength of the entire fan surface of the vibrator arm and avoiding the problem of deformation of the vibrator arm during use. In addition, such a design effectively improves the problem of narrow working frequency band of the compact low-frequency vibrator, so that the working frequency band reaches 698MHz-960MHz, effectively widening the working frequency band of the compact low-frequency vibrator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure of the compact low-frequency oscillator provided by the utility model is shown in FIG. Figure 1 ;

[0017] Figure 2 The overall structure of the compact low-frequency oscillator provided by the utility model is shown in FIG. Figure 2 ;

[0018] Figure 3 The overall structure of the compact low-frequency oscillator provided by the utility model is shown in FIG. Figure 3 ;

[0019] Figure 4 The overall structure of the compact low-frequency oscillator provided by the utility model is shown in FIG. Figure 4 ;

[0020] Figure 5 The overall structure of the compact low-frequency oscillator provided by the utility model is shown in FIG. Figure 5 ;

[0021] Figure 6 The overall structure of the compact low-frequency oscillator provided by the utility model is shown in FIG. Figure 6 .

[0022] Explanation of the main component symbols: 1-balun seat, 11-mounting screw hole, 12-second spacing groove, 2-diopter arm, 21-support beam, 22-feeding part, 23-arc beam, 24-reinforcement beam, 25-first spacing groove, 26-adjusting column, 27-feeding groove, 28-feeding connector, 29-fixing hole, 3-feeding plate. DETAILED DESCRIPTION

[0023] The utility model provides a compact low-frequency vibrator. In order to make the purpose, technical solution and effect of the utility model clearer and more specific, the utility model is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "middle", "inner side", "outer side", etc. are directions or positional relationships of the present invention based on the drawings, which are only for the convenience of describing the present invention and simplifying the description. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0025] See also Figures 1 to 6 The utility model provides a compact low-frequency vibrator, including a balun seat 1, four vibrator arms 2 are distributed in a ring on the top of the balun seat 1, four supporting beams 21 are distributed in a fan shape around the center of the balun seat 1 on the vibrator arm 2, a feeding part 22 is arranged at one end of the vibrator arm 2 close to the balun seat 1, one ends of the four supporting beams 21 are connected by the feeding part 22, and the other ends of the four supporting beams 21 are connected by an arc beam 23.

[0026] In actual use, four support beams 21 distributed in a fan shape are used to increase the overall support strength of the vibrator arm 2, thereby improving the strength of the entire fan surface of the vibrator arm 2 and avoiding deformation of the vibrator arm 2 during use. In addition, such a design effectively improves the problem of narrow operating frequency band of the compact low-frequency vibrator, so that the operating frequency band reaches 698MHz-960MHz, effectively broadening the operating frequency band of the compact low-frequency vibrator.

[0027] like Figures 1 to 6 As shown, further, the two adjacent inner support beams 21 are connected by a reinforcement beam 24; by connecting the two support beams 21 by the reinforcement beam 24, the two support beams 21 are less likely to deform, thereby reducing the influence of the fan stress of the vibrator arm 2 on the support beam 21.

[0028] In this embodiment, the reinforcement beam 24 and the two supporting beams 21 form an H-shaped reinforcement structure, which is combined to form an H-shaped reinforcement beam structure.

[0029] like Figures 1 to 6As shown, further, a first spacing groove 25 is formed between adjacent vibrator arms 2; a second spacing groove 12 is arranged on the balun seat 1 corresponding to the spacing groove, and the second spacing groove 12 is connected to the first spacing groove 25; by arranging the first spacing groove 25 and the second spacing groove 12, the oscillation effect of the vibrator arm 2 can be effectively improved; and by such an arrangement, the compact low-frequency vibrator can meet the requirements of lightweight.

[0030] like Figures 1 to 6 As shown, further, an adjustment column 26 is provided at the bottom of the arc beam 23; the adjustment column 26 can improve the stability of the vibrator arm 2 during vibration and improve the performance index of the high frequency band.

[0031] In this embodiment, the adjustment column 26 is perpendicular to the bottom of the arc beam 23 .

[0032] like Figures 1 to 6 As shown, further, a feeding groove 27 is provided on one side of the feeding part 22 close to the center of the balun seat 1, and a feeding connector 28 is provided in the feeding groove 27; a feeding sheet 3 is provided in the feeding groove 27, and the feeding sheet 3 is electrically connected to the feeding connector 28; by providing the feeding groove 27, it is convenient to connect the cable to the feeding connector 28, effectively increasing the connection area between the feeding part 22 and the cable, and improving the stability of the cable during connection, thereby forming a stable feeding structure, and utilizing the feeding structure can produce a good excitation effect on the compact low-frequency vibrator.

[0033] like Figures 1 to 6 As shown, further, a fixing hole 29 is provided on one side of the feeding part 22 away from the center of the balun seat 1; the fixing hole 29 can facilitate the installation and positioning of the dipole arm 2 on the antenna, thereby reducing the difficulty of installing the compact low-frequency dipole.

[0034] like Figures 1 to 6 As shown, further, the balun seat 1 is integrally formed with the four vibrator arms 2 respectively; a compact low-frequency vibrator is obtained by integrally forming through die-casting, and the above method can make the overall weight of the compact low-frequency vibrator more uniform, shorten the molding time of the compact low-frequency vibrator, and effectively improve the production efficiency of the compact low-frequency vibrator.

[0035] like Figures 1 to 6 As shown, further, a mounting screw hole 11 is provided at the bottom of the balun seat 1; by providing the mounting screw hole 11, the compact low-frequency vibrator can be easily installed in the antenna, and the mounting screw hole 11 can be used to realize the rapid disassembly and assembly between the balun seat 1 and the antenna.

[0036] To sum up, the four support beams 21 distributed in a fan shape are used to increase the overall support strength of the vibrator arm 2, thereby improving the strength of the entire fan surface of the vibrator arm 2 and avoiding the problem of deformation of the vibrator arm 2 during use. In addition, such a design effectively improves the problem of the narrow working frequency band of the compact low-frequency vibrator, so that the working frequency band reaches 698MHz-960MHz, effectively broadening the working frequency band of the compact low-frequency vibrator.

[0037] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and utility model concept of the utility model, and all these changes or substitutions should fall within the protection scope of the claims attached to the utility model.

Claims

1. A compact low-frequency oscillator, It is characterized in that It includes a balun seat, wherein four dipole arms are distributed in a ring on the top of the balun seat, and four supporting beams are distributed in a fan shape around the center of the balun seat on the dipole arms. A feeding part is arranged at one end of the dipole arm close to the balun seat, and one ends of the four supporting beams are connected through the feeding part, and the other ends of the four supporting beams are connected through arc beams.

2. A compact low-frequency oscillator according to claim 1, It is characterized in that Two adjacent inner supporting beams are connected by a reinforcing beam.

3. A compact low-frequency oscillator according to claim 1, It is characterized in that A first spacing groove is formed between adjacent vibrator arms; a second spacing groove is arranged on the balun seat corresponding to the spacing groove, and the second spacing groove is communicated with the first spacing groove.

4. A compact low-frequency oscillator according to claim 1, It is characterized in that An adjusting column is arranged at the bottom of the arc beam.

5. A compact low-frequency oscillator according to claim 1, It is characterized in that A feeding groove is arranged on one side of the feeding part close to the center of the balun seat, and a feeding connector is arranged in the feeding groove; a feeding sheet is arranged in the feeding groove, and the feeding sheet is electrically connected to the feeding connector.

6. A compact low-frequency oscillator according to claim 5, It is characterized in that A fixing hole is provided on a side of the feeding portion away from the center of the balun seat.

7. A compact low-frequency oscillator according to claim 1, It is characterized in that The balun seat is integrally formed with the four vibrator arms respectively.

8. A compact low-frequency oscillator according to claim 1, It is characterized in that The bottom of the balun seat is provided with a mounting screw hole.

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