Micro-miniature dual-polarized directional antenna

Abstract

The utility model discloses a microminiature dual-polarized directional antenna, which comprises a reflecting plate, a fixing column is fixed in the middle of the reflecting plate in a riveting manner, the surface of the fixing column is sleeved on a first supporting tube, a first vibrator is arranged above the first supporting tube, the fixing column penetrates through the middle of the first vibrator, a second vibrator is arranged above the first vibrator, and the second vibrator penetrates through the middle of the first vibrator. The first oscillator and the second oscillator are separated through a second supporting pipe, the second supporting pipe is arranged on the surface of the fixing column in a sleeving mode, the upper end of the fixing column is in threaded connection with a nut, the nut is used for limiting components on the surface of the fixing column, a grounding hole is formed in the surface of the reflecting plate, and the first oscillator is provided with a feed hole corresponding to the grounding hole. The grounding hole and the feed hole are connected through a connecting line. The micro-miniature dual-polarized directional antenna provided by the utility model is smaller in structure, is convenient for people to install and use, and has higher gain at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to directional antenna technical field especially relates to a micro small dual polarization directional antenna. BACKGROUND

[0002] Directional antenna refers to the antenna that emits and receives electromagnetic wave particularly strong in one or several specific directions, and emits and receives electromagnetic wave zero or extremely small in other directions. The purpose of using directional transmitting antenna is to increase the effective utilization rate of radiation power and increase the confidentiality. The main purpose of using directional receiving antenna is to enhance signal strength and increase anti-interference ability. However, the gain of the directional antenna in the prior art is low, and the structure is large, which cannot meet the use requirements of people.

[0003] At present, the directional antenna is a wall-mounted directional antenna, such as the wall-mounted directional antenna disclosed in Chinese patent CN202221966351.4, which comprises a cover body, a radiation body group, a feeder, a fixing part, a reflecting plate and an adjusting part. The radiation body group is installed on the inner top wall of the cover body. The fixing part is installed on the cover body. The fixing part is provided with the feeder. The feeder is connected to the radiation body group. The reflecting plate covers the bottom of the cover body. The reflecting plate is provided with the adjusting part. The adjusting part is opposite to the radiation body group.

[0004] However, the wall-mounted directional antenna has large structure size and low gain, which cannot meet the use requirements of people. INVENTION CONTENTS

[0005] The utility model aims at providing a micro small dual polarization directional antenna, which is more compact in structure, convenient for people to install and use, and has high gain.

[0006] The utility model discloses a micro small dual polarization directional antenna adopts the technical scheme that:

[0007] A micro small dual polarization directional antenna, comprising a reflecting plate, a fixed column is riveted and fixed in the middle of the reflecting plate, a first support pipe is sleeved on the surface of the fixed column, a first oscillator is arranged above the first support pipe, the fixed column penetrates through the middle of the first oscillator, a second oscillator is arranged above the first oscillator, the first oscillator and the second oscillator are separated by a second support pipe, the second support pipe is sleeved on the surface of the fixed column, a nut is threadedly connected to the upper end of the fixed column, the nut is used to limit the components on the surface of the fixed column, a grounding hole is formed in the surface of the reflecting plate, a feed hole is arranged in the first oscillator corresponding to the grounding hole, and the grounding hole and the feed hole are connected by a connecting line.

[0008] As a preferred solution, the reflector plate is in an elliptical structure, and the number of grounding holes is two, and the included angle of the two grounding holes is 90 degrees.

[0009] As a preferred solution, the first vibrator is in a square structure, and the feed hole and the grounding hole on the first vibrator are located on the same axis.

[0010] As a preferred solution, the second vibrator is in a circular structure.

[0011] As a preferred solution, the surface areas of the reflector plate, the first vibrator and the second vibrator are sequentially reduced.

[0012] As a preferred solution, the reflector plate, the first vibrator and the second vibrator are all made of aluminum.

[0013] The micro small dual-polarized directional antenna has the advantages that: the reflector plate is used for signal reflection, the first vibrator is used as a vibrator feed layer, and the second vibrator is used for signal transmission and also extends the first vibrator and is used for adjusting the resonance of the antenna, so that the reflector plate, the first vibrator and the second vibrator can be overlapped to form a field pattern complement, optimize the high gain of the directional antenna, achieve the effect of the micro small dual-polarized directional antenna, and the structure is also more compact. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a structural schematic view of the micro small dual-polarized directional antenna.

[0015] Fig. 2 is a top view of the micro small dual-polarized directional antenna.

[0016] Fig. 3 is an exploded view of the micro small dual-polarized directional antenna. DETAILED DESCRIPTION

[0017] The utility model will be further described and explained in combination with specific embodiments and the drawings of the specification:

[0018] Please refer to Figs. 1 to 3The utility model provides a kind of micro dual-polarized directional antenna, including reflector plate 10, fixed column 11 is riveted and fixed in the middle of reflector plate 10, fixed column 11 surface is set in first support tube 12, first support tube 12 top is equipped with first oscillator 20, fixed column 11 passes through the middle of first oscillator 20, first oscillator 20 top is equipped with second oscillator 30, first oscillator 20 and second oscillator 30 are separated by second support tube 13, second support tube 13 is set on the surface of fixed column 11, fixed column 11 upper end is equipped with nut 14 with screw thread, nut is used to limit the component on the surface of fixed column 11, ground hole 15 is set on the surface of reflector plate 10, first oscillator 20 is equipped with feed hole 21 corresponding ground hole 15, ground hole 15 and feed hole 21 are connected by connecting line 16.

[0019] Reflector plate 10 is used for signal reflection, first oscillator 20 is used as oscillator feed layer, and second oscillator 30 can be used for signal emission, and it also belongs to extension of the first oscillator 20 and is used for adjusting antenna resonance, so that reflector plate 10, first oscillator 20 and second oscillator 30 can be overlapped with peaks and valleys, field patterns are complementary, high gain of directional antenna is optimized, micro high gain dual-polarized directional antenna performance is achieved, and the structure is also more compact.

[0020] In the above scheme, the reflector plate 10 is in an elliptical structure, and the number of ground holes 15 is two, the included angle of the two ground holes 15 is 90 degrees, the elliptical shape is beneficial to signal reflection, and the two ground holes 15 can make the antenna adopt a double-wire welding form.

[0021] The first oscillator 20 adopts a square structure, the feed hole 21 on the first oscillator 20 is located on the same axis as the ground hole 15, and the four right angles of the square are used to change the direction of the current, the second oscillator 30 adopts a circular structure, which is beneficial to signal emission, and the spacing between the reflector plate 10, the first oscillator 20 and the second oscillator 30 can be adjusted by the length of the first support tube 12 and the second support tube 13, and the first support tube 12 and the second support tube 13 are fixed on the fixed column 11 by the nut 14.

[0022] The surface areas of the reflector plate 10, the first oscillator 20 and the second oscillator 30 are successively reduced, and the reflector plate 10, the first oscillator 20 and the second oscillator 30 are all made of aluminum, which can better form field pattern complementarity.

[0023] The utility model provides a kind of micro dual-polarized directional antenna, reflector plate is used for signal reflection, first oscillator is used as oscillator feed layer, and second oscillator can be used for signal emission, and it also belongs to extension of the first oscillator, for adjusting antenna resonance, so that reflector plate, first oscillator and second oscillator can be overlapped with peaks and valleys, field patterns are complementary, high gain of directional antenna is optimized, micro high gain dual-polarized directional antenna performance is achieved, and the structure is also more compact.

[0024] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A miniature dual-polarized directional antenna, characterized by, Including the reflector, the fixed column is riveted and fixed in the middle of the reflector, the surface of the fixed column is sleeved on the first support pipe, the first vibrator is arranged above the first support pipe, the fixed column penetrates through the middle of the first vibrator, the second vibrator is arranged above the first vibrator, the first vibrator and the second vibrator are separated by the second support pipe, the second support pipe is sleeved on the surface of the fixed column, the upper end of the fixed column is provided with a nut which is screwed, the nut is used to limit the parts on the surface of the fixed column, the surface of the reflector is provided with a grounding hole, the first vibrator is provided with a feed hole corresponding to the grounding hole, and the grounding hole and the feed hole are connected by a connecting line.

2. A miniature dual-polarized directional antenna as claimed in claim 1, characterized in that, The reflector is in an elliptical structure, and the number of grounding holes is two, and the included angle of the two grounding holes is 90 degrees.

3. A miniature dual-polarized directional antenna as claimed in claim 2, characterized in that, The first vibrator adopts a square structure, and the feed hole and the grounding hole on the first vibrator are located on the same axis.

4. A miniature dual-polarized directional antenna as claimed in claim 1, characterized in that, The second vibrator adopts a circular structure.

5. A miniaturized dual-polarized directional antenna according to any one of claims 1-4, characterized in that, The surface areas of the reflector, the first vibrator and the second vibrator are sequentially reduced.

6. A miniature dual-polarized directional antenna as claimed in claim 1, characterized in that, The reflector, the first vibrator and the second vibrator are all made of metal aluminum material.

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