CN210926314U

CN210926314U - Antenna array and corresponding antenna

Info

Publication number: CN210926314U
Application number: CN201922475599.5U
Authority: CN
Inventors: 姜化京
Original assignee: Shanghai Terjin Information Technology Co ltd
Current assignee: Shanghai Terjin Information Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-03
Anticipated expiration: 2029-12-31

Abstract

The utility model provides an antenna array and corresponding antenna, antenna array includes: a semisteel cable and at least one fan wheel; the fan impeller comprises a metal sleeve, at least one group of blades are arranged on the outer surface of the metal sleeve, and the blades are of an arc-shaped bending structure around the axis of the metal sleeve; the metal sleeve is embedded outside the semisteel cable, and the fan wheel is electrically connected with the semisteel cable so as to solve the problem of miniaturization of the ultra-wideband antenna in the prior art.

Description

Antenna array and corresponding antenna

Technical Field

The utility model relates to an antenna field especially relates to an antenna array and corresponding antenna.

Background

An antenna (antenna) is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium, usually free space, or vice versa. A component for transmitting or receiving electromagnetic waves in a radio device.

The antenna oscillator is an important component on the antenna, has the functions of guiding and amplifying electromagnetic waves, and enables electromagnetic signals received by the antenna to be stronger. The antenna element is made of metal with good conductivity. Some of the elements have a rod-like shape, and some of the elements have a complicated structure, and generally a plurality of elements are arranged in parallel on an antenna.

Because of the principle of the antenna, the size of the antenna with a lower frequency is larger under the condition of a certain gain, and the problem of miniaturization of the ultra-wideband antenna needs to be solved if one antenna is used for covering a wide frequency range in radio monitoring.

SUMMERY OF THE UTILITY MODEL

The utility model provides an antenna array and corresponding antenna to solve the problem that the antenna volume is difficult to further reduce among the correlation technique.

According to the utility model discloses an aspect provides an antenna array, antenna array includes: a semisteel cable and at least one fan wheel;

the fan impeller comprises a metal sleeve, at least one group of blades are arranged on the outer surface of the metal sleeve, and the blades are of an arc-shaped bending structure around the axis of the metal sleeve;

the metal sleeve is embedded outside the semisteel cable, and the fan wheel is electrically connected with the semisteel cable.

Optionally, at least two fan blades are arranged outside the semisteel cable, and the blades on the adjacent fan blades have opposite bending directions.

Optionally, an insulator is disposed between adjacent fan wheels.

Optionally, the blade disposed outside the metal sleeve bisects an outer angle of the metal sleeve.

Optionally, the blades on the adjacent impeller are staggered with an included angle of m, and the included angle is an angle at which the cambered surfaces of the adjacent blades are opposite.

Optionally, m is half of an included angle n between adjacent blades on the blade wheel.

Optionally, the blade is of a fan-shaped structure, the first edge of the blade is fixedly disposed on the metal sleeve, and the area of the blade decreases from the first end of the metal sleeve to the second end of the metal sleeve.

Optionally, the same ends of the metal sleeves in adjacent fan wheels on the semi-steel cable are adjacently disposed.

Optionally, the angle of the fan-shaped structure of the blade is 90 °.

Optionally, a notch for fixing the semisteel cable is formed in the metal sleeve.

According to the utility model discloses a second aspect provides an antenna, the antenna includes at least a set of antenna element, antenna element includes: a semisteel cable and at least one fan wheel;

This application makes it compare with prior art and includes following beneficial effect at least through adopting above-mentioned technical scheme: the utility model provides an antenna array through set up at least one impeller on the semisteel cable, is provided with a plurality of blades on every impeller, and the crooked helical structure of blade for having the radian for the antenna has reduced the volume of array under the condition of guarantee gain, thereby helps reducing the volume of antenna, has solved the miniaturized problem of ultra wide band antenna.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an antenna array according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a semisteel cable according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a fan wheel according to an embodiment of the present invention;

fig. 4 is a schematic top view of a fan wheel according to another embodiment of the present invention;

fig. 5 is a schematic structural view of a blade wheel blade according to an embodiment of the present invention;

fig. 6 is a schematic top view of an antenna array according to an embodiment of the present invention.

Description of reference numerals:

1-semi-steel cables;

11-a cable core;

12-an insulating layer;

2-a fan impeller;

3-a metal sleeve;

4-a blade;

41-first side;

42-second side.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

Referring to fig. 1, fig. 1 shows a schematic structural diagram of an antenna element according to an exemplary embodiment of the present application. The antenna array comprises a semi-steel cable 1 and at least one fan wheel 2; the present embodiment will be described by taking the number of the fan blades 2 as two as an example.

The impeller 2 comprises a metal sleeve 3, the outer surface of the metal sleeve 3 being provided with at least one set of blades 4, the number of blades in each set being an even number, so as to form a signal current circuit, for example two which may be symmetrical with respect to the metal sleeve. The blade 4 is in an arc bending structure around the axis of the metal sleeve 3. The metal sleeve 3 is embedded outside the semisteel cable 1, and the fan impeller 2 is electrically connected with the semisteel cable 1.

To sum up, the utility model provides an antenna array is through setting up at least one impeller on the semisteel cable, is provided with a plurality of blades on every impeller, and the crooked helical structure of blade for having the radian for the antenna has reduced the volume of array under the condition of guarantee gain, thereby helps reducing the volume of antenna, has effectively solved the miniaturized problem of ultra wide band antenna.

Referring to fig. 2, fig. 2 shows a schematic structural diagram of a semi-steel cable provided in an exemplary embodiment of the present application. The semisteel cable 1 comprises a cable core 11 made of a conductive material, an insulating layer 12 is arranged on the outer layer of the cable core 11 in a coating mode, and the length of the semisteel cable 1 is larger than that of a metal sleeve 3 in one fan wheel 2. The cable core 11 is directly or indirectly connected with the metal sleeve 3 in the fan wheel 2 so as to receive the acquired electric signal.

Fig. 3 shows a schematic structural diagram of a fan wheel provided in an exemplary embodiment of the present application. Wherein the fan wheel 2 comprises a metal sleeve 3 and blades 4. With reference to fig. 4, in an exemplary embodiment, the angle between adjacent blades 4 arranged on the same fan wheel 2 is n. Illustratively, the number of the blades 4 is 4, and the blades 4 are uniformly fixed on the outer part of the metal sleeve 3, that is, four blades 4 bisect the outer angle of the metal sleeve 3, for example, when the number of the blades is 4, the included angle n between the fixed points of every two adjacent blades 4 on the outer side of the metal sleeve 3 is 90 °. The blade and the metal sleeve are electrically connected and fixed, including but not limited to welding.

Continuing to refer to fig. 4, the blades 4 disposed outside the metal sleeve 3 are in an arc-shaped bending structure, the blades 4 on each fan wheel are bent uniformly in the same direction around the axis of the metal sleeve 3, the initial bending position may be the joint of the blade 4 and the metal sleeve 3, or any position of the blade 4, and the bending angle of the blade 4 is preferably 90 ° to 180 °, but the embodiment is not limited thereto, and other bending angles should be within the protection scope of the present application in the practical use process. In order to facilitate the fixation between the fan impeller 2 and the semisteel cable 1, a notch which is convenient to be welded with the semisteel cable 1 is arranged on the metal sleeve 3. This breach can be with set up the protruding buckle of matching on the semi-steel cable 1 fixed, also can utilize this breach to spill more semi-steel cables, the welded fastening of being convenient for.

Fig. 5 is a schematic structural view of a flabellum wheel blade according to an exemplary embodiment of the present invention. The individual blades 4 are of a fan-shaped configuration, the angle of the fan preferably being 90 °, the first edge 41 of the blade 4 being fixedly arranged on the metal sleeve 3. In an alternative embodiment, the length of the first edge 41 of the blade 4 fixedly arranged on the metal sleeve 3 is smaller than the length of the second edge 42 of the blade. The first edge 41 is in line with the curved edge of the blade 4. For ease of understanding, the blade may be considered as a full fan blade adapted to the cut-out construction according to the length of the metal sleeve 3. After the blades 4 are arranged on the metal sleeve, the blades are in a structure with the area decreasing from the first end part of the metal sleeve to the second end part of the metal sleeve.

Referring to fig. 6, fig. 6 is a schematic top view of an antenna array according to an embodiment of the present invention. When two fan wheels 2 are arranged on the semisteel cable 1, the same ends of the metal sleeves in the adjacent fan wheels are arranged adjacently, that is, the blades in the adjacent fan wheels have opposite bending directions. The blades on the adjacent impeller wheels are staggered with an included angle m, the included angle m is an angle formed by the cambered surfaces of the adjacent blades on the two impeller wheels 2, and m is half of the included angle n between the adjacent blades on the impeller wheels. Exemplarily, in a preferred embodiment, when 4 blades are provided on each fan wheel 2, m is 45 °. An insulator is arranged between the adjacent fan wheels, namely, the adjacent fan wheels are insulated from each other. The insulator may be an insulating layer 12 outside the semisteel cable, or may be an insulator separately fixed between the two fan blades 2, and the material of the insulator is not limited in this embodiment.

To sum up, the utility model provides an antenna array is through setting up at least one impeller on the semisteel cable, is provided with a plurality of blades on every impeller, and the crooked helical structure of blade for having the radian for the antenna has reduced the volume of array under the condition of guarantee gain, thereby helps reducing the volume of antenna, has solved the miniaturized problem of ultra wide band antenna. Meanwhile, the bending directions of the blades of the fan blades are different, so that the antenna can ensure the signal effect.

The present application also provides an antenna comprising at least one antenna element as provided in the previous embodiments, i.e. each antenna element comprises: a semisteel cable and at least one fan wheel; the fan impeller comprises a metal sleeve, at least one group of blades are arranged on the outer surface of the metal sleeve, and the blades are in an arc-shaped bending structure around the axis of the metal sleeve; the metal sleeve is embedded outside the semisteel cable, and the fan impeller is electrically connected with the semisteel cable.

When more than one of the above-mentioned antenna elements is provided in an antenna, the size of each antenna element may be different, wherein the size difference at least includes: at least one of the size of the fan wheel in each antenna array, the bending direction of the blades, the bending angle of the blades and the staggered angle between adjacent fan wheels.

In conclusion, the antenna provided by the embodiment can effectively control the overall size of the antenna by reducing the size of each internal antenna array under the condition that the effect of the antenna array is not affected, and is favorable for solving the problem of miniaturization of the ultra-wideband antenna.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An antenna element, characterized in that the antenna element comprises: a semisteel cable and at least one fan wheel;

2. The antenna array according to claim 1, wherein at least two of the fan blades are arranged outside the semi-steel cable, and the blades on adjacent fan blades have opposite bending directions.

3. The antenna array according to claim 2, wherein an insulator is provided between adjacent fan wheels.

4. An antenna array according to any one of claims 1 to 3 wherein the vanes disposed externally of the metallic sleeve bisect the outer angle of the metallic sleeve.

5. The antenna array according to claim 4, wherein said blades on adjacent said impeller are staggered by an included angle m, said included angle being an angle of facing arc surfaces of adjacent said blades.

6. The antenna array according to claim 5, wherein m is half of an included angle n between adjacent blades on the blade wheel.

7. The antenna array as claimed in any one of claims 1 to 3, wherein the blades are of a fan-shaped configuration, the first edges of the blades are fixedly arranged on the metal sleeve, and the area of the blades decreases from the first end of the metal sleeve to the second end of the metal sleeve.

8. The antenna array of claim 7, wherein the same ends of the metallic sleeves in adjacent fan wheels on the semi-steel cable are disposed adjacent.

9. The antenna array according to claim 7, wherein the angle of the fan-shaped structure of the blades is 90 °.

10. The antenna array as claimed in any one of claims 1 to 3, wherein the metal sleeve is provided with a notch for fixing with the semi-steel cable.

11. An antenna, characterized in that the antenna comprises at least one set of antenna elements, the antenna elements comprising: a semisteel cable and at least one fan wheel;