CN210668680U - Antenna assembly - Google Patents

Abstract

The utility model is suitable for an antenna technology field provides an antenna module, and this antenna module includes two at least antenna element, each antenna element includes at least one irradiator, and is different antenna element's orientation is different, so, can receive the electromagnetic wave that comes from the equidirectional at least two antenna element of orientation difference, can select to use corresponding antenna element and irradiator according to the intensity of the signal received, therefore, can guarantee that this antenna module receives the electromagnetic wave signal effectively, avoids the poor problem of electromagnetic wave signal reception under the single orientation, has strengthened the directionality of antenna, has improved the gain of antenna.

Description

Antenna assembly

Technical Field

The utility model relates to the field of antenna technology, in particular to antenna module.

Background

In the fields of radio communication, broadcasting, television, radar, navigation and the like, an antenna is used for receiving and transmitting electromagnetic waves to complete wireless transmission of signals. Among them, the sheet type antenna has rapid development and wide application due to its thin thickness, small occupied space, and the like.

At present, antennas in the market, not only sheet antennas, mostly have only one radiation surface, and the directivity is not strong. Although the power can be amplified and the useless frequencies can be filtered by the amplifier arranged on the mainboard, the problem of the directivity of the antenna cannot be solved obviously. Especially when the direction in which the antenna is installed is greatly different from the direction of a nearby base station, the reception performance of the antenna is especially poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antenna module aims at solving the not strong technical problem of directionality of current antenna.

The utility model discloses a realize like this, an antenna module, including two at least antenna element, each antenna element includes at least one irradiator, just, and is different antenna element's orientation is different.

In one embodiment, each of the antenna units includes at least two radiators, and lengths of the radiators are different.

In one embodiment, each of the antenna units includes five radiators, and lengths of the five radiators are different.

In one embodiment, each of the antenna units further includes a substrate and a ground portion, the substrate and the ground portion are both in a shape of a sheet, and the radiator and the ground portion are both disposed on a surface of the substrate.

In one embodiment, the side edges of the substrates are connected with each other, and the antenna units are distributed in a certain angle rotation mode by taking the connected side edges of the substrates as central axes.

In one embodiment, in each of the antenna units, the substrate has a rectangular shape, the ground portion has an arc shape, and the radiators are arranged along an arc edge of the ground portion.

In one embodiment, the antenna assembly further comprises a connecting member, a plurality of connecting positions are arranged on the outer surface of the connecting member, and the side edge of each base material is inserted into the connecting positions.

In one embodiment, each of the antenna units further includes a grounding portion, the grounding portion is non-planar, and each of the radiators is inserted into the grounding portion.

In one embodiment, each of the antenna units further includes at least one feeding line, positive ends of the feeding lines are respectively connected to the radiators in a one-to-one correspondence, and negative ends of the feeding lines are connected to the grounding portion.

In one embodiment, the antenna assembly further includes a main control chip, at least two signal processing chips, and at least two switch chips, each of the signal processing chips is independently connected to the main control chip, each of the signal processing chips is connected between the main control chip and one of the switch chips, each of the switch chips includes one or more switches, each of the switches is connected between the signal processing chip and one of the radiators, and the main control chip is configured to obtain signal strength of each of the radiators.

The utility model provides an antenna module's beneficial effect lies in:

the antenna assembly comprises at least two antenna units, each antenna unit comprises at least one radiator, and the orientations of different antenna units are different, so that the at least two antenna units with different orientations can receive electromagnetic waves from different directions, and the corresponding antenna unit and the radiator thereof can be selected and used according to the strength of received signals, so that the antenna assembly can effectively receive electromagnetic wave signals, the problem of poor reception of the electromagnetic wave signals in a single orientation is avoided, the directivity of the antenna is enhanced, and the gain of the antenna is improved.

Drawings

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

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

fig. 2 is a schematic structural diagram of an antenna assembly according to a second embodiment of the present invention;

fig. 3 is a schematic structural diagram of an antenna assembly according to a third embodiment of the present invention;

fig. 4 is a schematic structural diagram of an antenna unit in an antenna assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an antenna unit in an antenna assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an antenna unit in an antenna assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an antenna unit in an antenna assembly according to an embodiment of the present invention;

fig. 8 is a schematic diagram illustrating switching of radiators in an antenna assembly according to an embodiment of the present invention.

The designations in the figures mean:

100-antenna module, 10-antenna unit, 1-substrate, 2-radiator, 3-grounding part, 4-feed source, 5-feeder, 7-main control chip, 8-signal processing chip, 9-switch chip, and 91-switch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the patent. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.

Referring to fig. 1 to 3, an antenna assembly 100 according to an embodiment of the present invention includes at least two antenna units 10, each antenna unit 10 includes at least one radiator 2, please refer to fig. 4 to 7, and at least two antenna units 10 are oriented differently, that is, an included angle exists between at least two antenna units 10, and the included angle is not equal to 180 °.

The embodiment of the utility model provides an antenna module 100, it includes two at least antenna element 10, and, different antenna element 10's orientation is different, such benefit is, two at least antenna element 10 of orientation difference can receive the electromagnetic wave from the equidirectional, can select to use corresponding antenna element 10 and its irradiator 2 according to the intensity of the signal received, therefore, can guarantee that this antenna module 100 receives the electromagnetic wave signal effectively, avoid the poor problem of electromagnetic wave signal reception under the single orientation, the directionality of reinforcing antenna, the gain of improvement antenna.

In the antenna assembly 100, the number of the antenna units 10 may be two, three, four or even more, and is not particularly limited. The greater the number of the antenna elements 10, the more the antenna elements 10 can be oriented, the more electromagnetic waves from more directions can be received, and the better the signal receiving effect is. This is set according to specific needs and overall costs.

The number of radiators 2 in each antenna element 10 may be one or more. Since the length of the radiator 2 corresponds to the frequency band of the electromagnetic waves to be transmitted and received, one radiator 2 in each antenna unit 10 corresponds to a single operating frequency band; if the number of the radiators 2 is plural and there are at least two lengths, the working frequency band of the antenna assembly 100 can be widened or the working frequency bands can be correspondingly widened. In a specific application, the number and length of the radiators 2 are set according to a specific use scenario.

In an optional embodiment, the number of the radiators 2 in each antenna unit 10 is multiple, and the lengths of the radiators 2 are different, so that the length of each radiator 2 may be set corresponding to one operating frequency band.

In an alternative embodiment, the number of radiators 2 in each antenna unit 10 is five, and the lengths of the five radiators 2 are different. Thus, the five radiators 2 can correspond to five different operating frequency bands. The antenna assembly 100 has a wider operating band.

In an alternative embodiment, the length of the plurality of radiators 2 in each antenna unit 10 is set to cover 170MHz to 6GHz, which can be used in any scenario that needs to transmit and receive electromagnetic waves, and the application scenario of the antenna assembly 100 can be wider.

In a specific application, the length of the five radiators 2 can be set to at least cover the frequency bands of 430MHz to 950MHz and 2.3GHz to 2.6GHz, that is, the working frequency bands of the household television antenna and the 2.4G WIFI antenna.

Of course, in other embodiments, the number of the radiators 2 in each antenna unit 10 may be other numbers, such as less than five, and the frequency band range of the radiator 2 in each antenna unit 10 may only cover the above-mentioned operating frequency band of the home television antenna or the operating frequency band of the 2.4G WIFI antenna, or only cover the operating frequency bands of other scenarios. This is selected according to specific needs, and is not particularly limited.

The radiator 2 is not limited in form, and may be one of a monopole antenna structure, a dipole antenna structure, a slot antenna structure, an inverted F antenna structure, a patch antenna structure, a yagi antenna structure, an array antenna structure, or the like.

The specific shape of the radiator 2 is not particularly limited, and as shown in fig. 4 to 7, the radiator 2 may be a sheet, specifically, a rectangular sheet, as exemplified by a sheet antenna structure, and of course, may be any other usable form such as a long strip, a curved strip, a circular sheet, an oval sheet, an irregular sheet, and the like.

Referring to fig. 4, in an embodiment, each antenna unit 10 further includes a ground portion 3 and at least one feed line 5, the number of the feed lines 5 corresponds to the number of the radiators 2, one end of the positive pole of each feed line 5 is connected to the radiators 2 in a one-to-one correspondence, and one end of the negative pole of each feed line 5 is connected to the ground portion 3.

In one embodiment, at least one side edge of the ground portion 3 may be disposed in an arc shape, and the plurality of radiators 2 are arranged on the arc-shaped edge of the ground portion 3. Of course, the radiators 2 having different lengths in the same antenna unit 10 may be arranged at the edge of the ground portion 3 in the same direction, and the edge of the ground portion 3 may be at least partially in a straight line.

With continued reference to fig. 1-4, in one embodiment, the antenna assembly 100 further includes a feed 4 for transmitting rf energy to each radiator 2 of each antenna element 10. The form of the feed 4 is not limited, and in the present embodiment, the feed 4 may include a circuit board.

Next, one form of the antenna unit 10 is provided.

Referring to fig. 1 to 4, in an embodiment, the ground portion 3 is a sheet, each antenna unit 10 further includes a planar substrate 1, and the plurality of radiators 2, the plurality of feeding lines 5, and the ground portion 3 are disposed on the surface of the substrate 1. Thus, the antenna unit 10 is substantially a planar structure. This has the advantage that the antenna unit 10 is in the form of a patch antenna, which can be smaller in volume, easier to set up and does not take up significant space for use in environments, particularly indoor environments.

The substrate 1 may be a transparent substrate such as PET (Polyethylene Terephthalate) or the like, or may be an opaque material such as an opaque plastic material. This can be selected according to specific needs and application scenarios, and is not particularly limited.

In this case, the number of the antenna elements 10 may be two, the two antenna elements 10 being located on different planes, as shown in fig. 1. The side edges of the substrate 1 of the two antenna elements 10 are connected to each other and may even be integrally formed.

Referring to fig. 2 and 3, the substrate 1 of each antenna unit 10 is connected to each other at the side edges thereof, and each antenna unit 10 is disposed to rotate at a certain angle around the connected side edges as the central axis. The land portions 3 may or may not be connected to each other at their side edges.

Referring to fig. 2 and fig. 3, the number of the antenna units 10 is at least three, and the at least three antenna units 10 may be disposed on three planes, that is, the angle between two adjacent antenna units 10 is not 180 degrees; the at least three antenna units 10 may also be disposed on two planes, and the patterns of the two antenna units 10 located on the same plane are the same or overlap, so that the gain of the antenna assembly 100 may be improved.

As shown in fig. 2, the number of the antenna units 10 is four, four antenna units 10 are arranged two by two on the same plane, and the top view of the antenna assembly 100 is in a cross shape, and the angle between two adjacent antenna units 10 is 90 °. As shown in fig. 3, the number of the antenna units 10 is eight, the eight antenna units 10 are arranged two by two on the same plane, and the angle between the planes of two adjacent antenna units 10 is 45 °. Thus, the antenna assembly 100 has better directivity and higher gain. In other embodiments, other numbers of antenna elements 10 are allowed, and the angle between the planes of two adjacent antenna elements 10 may not necessarily be exactly the same.

Optionally, in an embodiment, the antenna assembly 100 further includes a connecting member (not shown) having a plurality of connecting positions, and the side edge of each antenna unit 10 is inserted into the connecting positions, so that each antenna unit 10 is disposed to rotate around the connecting member as a central axis at a certain angle. In a specific application, the connecting member may have a cylindrical shape, and the antenna units 10 are inserted on the outer circumferential surface of the connecting member, so that the antenna units 10 are as close as possible to reduce the volume of the antenna assembly 100.

The connector may be a non-metallic material, such as a plastics material; the connecting member may be made of a metal material, each of the grounding portions 3 may be directly connected to the connecting member or may be connected to the connecting member in an insulating manner, and in a case where each of the antenna units 10 includes a plurality of radiators 2, the radiators 2 of different antenna units 10 close to the connecting member may be directly connected to the connecting member or may not be connected to the connecting member.

Referring to fig. 4, in the present embodiment, the grounding portion 3 is disposed in a substantially middle portion of the substrate 1, the radiator 2 is disposed on one side of the grounding portion 3, and the feed source 4 may be disposed on the other side of the substrate 1, and particularly, the feed source 4 may be disposed on the substrate 1 of the plurality of antenna units 10, please refer to fig. 1 to 3 in combination.

Alternatively, in the present embodiment, in each antenna unit 10, the substrate 1 is substantially rectangular, the feed source 4 is disposed at one corner of the substrate 1, the ground portion 3 is disposed in an arc shape at one side of the feed source 4, and the plurality of radiators 3 are arranged along an arc-shaped edge of the ground portion 3, as shown in fig. 1 to 4.

Next, another form of the antenna unit 10 is provided.

Referring to fig. 5 to 7, in one embodiment, the grounding portion 3 is non-planar. The advantage of this is that the shape of the grounding part 3 can be designed to have a certain space shape according to the requirement, and the arrangement of each radiator 2 can also be designed to have a certain space shape, so as to beautify the environment in the space and improve the user experience on the basis of realizing the signal transceiving function.

Specifically, the ground portion 3 may be in the shape of a regular cylinder or an irregular cylinder, such as a tree, etc., the radiator 2 may be in the shape of a tree, a plurality of radiators 2 are inserted on the ground portion 3, and each antenna unit 10 is in the shape of a tree, as shown in fig. 5, so that the antenna assembly 100 is in the shape of a tree as a whole. Of course, the specific size of the ground 3 in different antenna elements 10 and the specific position of the radiator 2 in different antenna elements 10 may not be exactly the same.

Alternatively, the ground portion 3 may be provided such that the end surface is a spherical or spheroidal surface, each radiator 2 is inserted at the periphery of the end portion of the ground portion 3, and the antenna units 10 may be in a flower pattern, as shown in fig. 7, so that the plurality of antenna units 10 may be in a bouquet pattern.

In other alternative embodiments, the plurality of antenna units 10 of the antenna assembly 100 may have both a tree shape and a flower shape, which are designed according to specific design requirements, and are not particularly limited.

In a particular application, the antenna assembly 100 may be combined with decorative materials and structures to further visualize the shape of a tree or the shape of a flower.

Or, the grounding portion 3 may be spherical, and the plurality of radiators 2 are inserted into the spherical surface in a needle-like manner, thereby forming a simple and unique design and having a certain decorative aesthetic feeling in the environment.

Alternatively, as shown in fig. 6, the ground portion 3 is in the shape of a disk having a constant thickness, the radiator 2 is in the shape of a windmill blade or a fan blade, and the plurality of radiators 2 are inserted on the outer peripheral surface of the ground portion 3 at a constant tilt angle, thereby forming a windmill shape or a fan shape.

In this form, the specific positions of the feed source 4 and the feed line 5 may be set according to the form of the grounding portion 3, for example, hidden at one side of the plurality of grounding portions 3 or hidden in the decoration material and structure, so as to meet the requirements of input impedance under the corresponding frequency band, beautifying the environment, and the like, and further description is omitted.

More specific configurations of the antenna assembly 100 are not illustrated.

Referring to fig. 8 in combination with fig. 1 to 7, in an embodiment, the antenna assembly 100 further includes a main control chip 7, at least two signal processing chips 8 (only one is shown in fig. 8) and at least two switch chips 9 (only one is shown in fig. 8), each signal processing chip 8 is independently connected to the main control chip 7, each signal processing chip 8 is connected between the main control chip 7 and one switch chip 9, each switch chip 9 includes at least one switch 91, and each switch 91 is connected between the corresponding signal processing chip 8 and one radiator 2. The plurality of switches 91 in each switch chip 9 correspond to the plurality of radiators 2 in one antenna unit 10. The main control chip 7 is configured to obtain the signal strength of each radiator 2 through each switch chip 9 and each signal processing chip 8, and may also generate a signal map according to the signal strength, the main control chip 7 determines to use one of the radiators 2 in one of the antenna units 10 to receive and transmit a signal, especially to receive the signal, according to the signal strength of each radiator 2, and the main control chip 7 controls the corresponding signal processing chip 8 and the corresponding switch 91 in the corresponding switch chip 9 to turn on.

In particular, each switch 91 may be connected to a corresponding radiator 2 by connecting a corresponding feed line 5.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An antenna assembly comprising at least two antenna elements, each of said antenna elements comprising at least one radiator, wherein said antenna elements are oriented differently from one another.

2. The antenna assembly of claim 1, wherein each of said antenna elements includes at least two of said radiators, each of said radiators having a different length.

3. The antenna assembly of claim 2, wherein each of said antenna elements includes five of said radiators, each of said five radiators having a different length.

4. The antenna assembly of claim 1, wherein each of the antenna units further comprises a substrate and a ground portion, the substrate and the ground portion each having a sheet shape, the radiator and the ground portion each being disposed on a surface of the substrate.

5. The antenna assembly of claim 4, wherein the side edges of the respective substrates are connected to one another, and wherein the antenna elements are angularly disposed about the central axis at the connected side edges of the respective substrates.

6. The antenna assembly of claim 5, wherein the substrate is rectangular and the ground portion is arcuate in shape in each of the antenna elements, the radiators being arranged along arcuate edges of the ground portion.

7. The antenna assembly of claim 5, further comprising a connecting member having a plurality of connection sites on an outer surface thereof, wherein a side edge of each of the substrates is inserted over the connection sites.

8. The antenna assembly of claim 1, wherein each of the antenna units further comprises a ground portion, the ground portion being non-planar, each of the radiators being inserted on the ground portion.

9. The antenna assembly of any one of claims 4-8, wherein each of the antenna units further comprises at least one feed line, positive ends of the feed lines are respectively connected to the radiators in a one-to-one correspondence, and negative ends of the feed lines are connected to the ground.

10. The antenna assembly of any one of claims 1 to 8, further comprising a main control chip, at least two signal processing chips, and at least two switch chips, each of the signal processing chips being independently connected to the main control chip, each of the signal processing chips being connected between the main control chip and one of the switch chips, each of the switch chips comprising one or more switches, each of the switches being connected between the signal processing chip and one of the radiators, the main control chip being configured to obtain signal strength of each of the radiators.

Images