Directional antenna capable of ensuring antenna phase by changing structure of reflecting plate

Abstract

The utility model discloses a directional antenna capable of ensuring antenna phase by changing the structure of a reflecting plate, which comprises a reflecting plate, a low-frequency oscillator and a high-frequency oscillator, and is characterized in that the reflecting plate comprises a first reflecting plate unit and a second reflecting plate unit which are arranged in a step shape, and the first reflecting plate unit is lower than the second reflecting plate unit; the low-frequency oscillator is arranged on the first reflecting plate unit, and the high-frequency oscillator is arranged on the second reflecting plate unit. According to the utility model, the reflecting plate is designed to be step-shaped, the low-frequency oscillators are arranged on the lower first reflecting plate unit, and the high-frequency oscillators are arranged on the higher second reflecting plate unit, so that the heights of the oscillators of the antenna can be ensured to be consistent, and the radiation phases of the antenna can be ensured to be consistent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of antenna, especially directional antenna of change reflector structure to guarantee antenna phase. BACKGROUND

[0002] The current high gain antenna with low frequency and high frequency basically shares a vibrator, but it cannot meet the low frequency and high frequency performance simultaneously, so most of the methods are to separate the low frequency and high frequency vibrator, but the height of the antenna is different, which causes the phase difference of the low frequency and high frequency antenna. SUMMARY

[0003] The utility model discloses a directional antenna of change reflector structure to guarantee antenna phase, which can guarantee the radiation phase consistency of the low frequency vibrator and the high frequency vibrator by changing the structure of the reflector, thereby ensuring the performance of the antenna.

[0004] To achieve the above object, the utility model provides a directional antenna of change reflector structure to guarantee antenna phase, including reflector, low frequency vibrator and high frequency vibrator, the reflector includes first reflector unit and second reflector unit who sets up in echelon, the first reflector unit is lower than the second reflector unit, the low frequency vibrator sets up on the first reflector unit, and the high frequency vibrator sets up on the second reflector unit.

[0005] The utility model further provides a technical scheme, wherein the height of the low frequency vibrator is the same as the height of the high frequency vibrator.

[0006] The utility model further provides a technical scheme, wherein the height of the low frequency vibrator from the first reflector unit and the height of the high frequency vibrator from the second reflector unit are both 1 / 4 of the wavelength.

[0007] The utility model further provides a technical scheme, wherein the low frequency vibrator and the high frequency vibrator are connected into a full-band antenna through a combiner.

[0008] The utility model further provides a technical scheme, wherein the low frequency vibrator and the high frequency vibrator output signals through radio frequency lines and connectors respectively.

[0009] The directional antenna of change reflector structure to guarantee antenna phase of the utility model has the beneficial effects of:

[0010] The utility model discloses a technical scheme, the reflector is designed into echelon, the low frequency vibrator is arranged on the lower first reflector unit, and the high frequency vibrator is arranged on the higher second reflector unit, which can guarantee the vibrator height consistency of the antenna, thereby guaranteeing the radiation phase consistency of the antenna. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in the drawings without creative labor.

[0012] Fig. 1 is a three-dimensional structure schematic diagram of a preferred embodiment of the directional antenna of the present application changing the structure of the reflecting plate to ensure the phase of the antenna;

[0013] Fig. 2 is a side view of a preferred embodiment of the directional antenna of the present application changing the structure of the reflecting plate to ensure the phase of the antenna;

[0014] Fig. 3 is a top view of a preferred embodiment of the directional antenna of the present application changing the structure of the reflecting plate to ensure the phase of the antenna;

[0015] Fig. 4 is a bottom view of a preferred embodiment of the directional antenna of the present application changing the structure of the reflecting plate to ensure the phase of the antenna.

[0016] Explanation of reference numerals:

[0017] Reflecting plate 1; low-frequency oscillator 2; high-frequency oscillator 3; first reflecting plate unit 4; second reflecting plate unit 5; radio frequency line 6; connector 7.

[0018] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0020] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), if the certain posture changes, the directional indications will also change accordingly.

[0021] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0022] Please refer to Figs. 1 to 4 The directional antenna of the present application changes the structure of the reflecting plate to ensure the antenna phase, so as to solve the problem of inconsistent antenna phase caused by inconsistent height of low-frequency vibrator 2 and high-frequency vibrator 3 in the prior art.

[0023] The preferred embodiment of the directional antenna of the present application which changes the structure of the reflecting plate to ensure the antenna phase comprises a reflecting plate 1, a low-frequency vibrator 2 and a high-frequency vibrator 3. The reflecting plate 1 comprises a first reflecting plate unit 4 and a second reflecting plate unit 5 arranged in a stepped manner. The first reflecting plate unit 4 is lower than the second reflecting plate unit 5. The low-frequency vibrator 2 is arranged on the first reflecting plate unit 4, and the high-frequency vibrator 3 is arranged on the second reflecting plate unit 5.

[0024] The height of the low-frequency vibrator 2 is the same as that of the high-frequency vibrator 3.

[0025] In the embodiment, the distance between the low-frequency vibrator 2 and the height of the first reflecting plate unit 4 and the distance between the high-frequency vibrator 3 and the height of the second reflecting plate unit 5 are both 1 / 4 of the wavelength.

[0026] Further, in the embodiment, the low-frequency vibrator 2 and the high-frequency vibrator 3 are connected into a full-band antenna through a combiner.

[0027] The low-frequency vibrator 2 and the high-frequency vibrator 3 output signals through a radio frequency line 6 and a connector 7, respectively.

[0028] The structure and working principle of the present application are further described below.

[0029] The utility model discloses a directional antenna which changes the structure of the reflecting plate to ensure the phase of the antenna, comprising a reflecting plate 1, a low-frequency oscillator 2 and a high-frequency oscillator 3 on the reflecting plate 1, the low-frequency oscillator 2 and the high-frequency oscillator 3 being combined into a complete low-high frequency full-band antenna through a combiner, and then outputting signals through a radio frequency wire 6 and a connector 7.

[0030] In order to ensure the optimal gain of the antenna, the height of the low-frequency oscillator 2 and the high-frequency oscillator 3 from the reflecting plate 1 is 1 / 4 wavelength, and wavelength = light speed / frequency, so different frequencies result in different wavelengths of the antenna, the wavelength of the low frequency is longer, and the wavelength of the high frequency is shorter, so the height of the low-frequency oscillator from the reflecting plate 1 is higher, and the height of the high-frequency oscillator from the reflecting plate 1 is lower; in order to ensure the consistency of the height of the low-frequency oscillator 2 and the high-frequency oscillator 3, the reflecting plate 1 is designed to be a ladder shape in the utility model, the low-frequency oscillator 2 of the low frequency is at the low place, and the low-frequency oscillator 2 of the high frequency is at the high place, so that the height of the oscillator of the antenna can be ensured to be consistent, and the radiation phase of the antenna can be ensured to be consistent.

[0031] In conclusion, the reflecting plate 1 is designed to be a ladder shape, the low-frequency oscillator 2 is arranged on the lower first reflecting plate unit 4, and the high-frequency oscillator 3 is arranged on the higher second reflecting plate unit 5, so that the height of the oscillator of the antenna can be ensured to be consistent, and the radiation phase of the antenna can be ensured to be consistent.

[0032] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation or direct / indirect application in other related technical fields under the concept of the utility model, according to the contents of the utility model specification and the drawings, is included in the patent protection range of the utility model.

Claims

1. A directional antenna that changes the structure of a reflector to ensure antenna phase, characterized by, The loudspeaker comprises a reflecting plate, a low-frequency vibrator and a high-frequency vibrator, the reflecting plate comprises a first reflecting plate unit and a second reflecting plate unit arranged in a stepped manner, the first reflecting plate unit is lower than the second reflecting plate unit, the low-frequency vibrator is arranged on the first reflecting plate unit, and the high-frequency vibrator is arranged on the second reflecting plate unit.

2. The directional antenna that changes a reflecting plate structure to secure an antenna phase according to claim 1, wherein, The low-frequency vibrator and the high-frequency vibrator have the same height.

3. The directional antenna of claim 2, wherein the phase of the antenna is guaranteed by changing the structure of the reflector plate. The height of the low-frequency vibrator from the first reflecting plate unit and the height of the high-frequency vibrator from the second reflecting plate unit are both 1 / 4 of a wavelength.

4. The directional antenna of claim 3 wherein, The low-frequency vibrator and the high-frequency vibrator are connected into a full-band antenna through a combiner.

5. The directional antenna of claim 4 wherein the means for changing the reflector structure to maintain the antenna phase comprises: means for changing the reflector structure to maintain the antenna phase. The low-frequency vibrator and the high-frequency vibrator output signals through radio frequency lines and connectors respectively.

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