CN205429167U - Antenna device - Google Patents
Antenna device Download PDFInfo
- Publication number
- CN205429167U CN205429167U CN201620188459.3U CN201620188459U CN205429167U CN 205429167 U CN205429167 U CN 205429167U CN 201620188459 U CN201620188459 U CN 201620188459U CN 205429167 U CN205429167 U CN 205429167U
- Authority
- CN
- China
- Prior art keywords
- radiating element
- circuit component
- short
- antenna assembly
- ground plane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/32—Vertical arrangement of element
- H01Q9/36—Vertical arrangement of element with top loading
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model provides an antenna device, including first short circuit component, second short circuit component, first radiation element, second radiation element and third radiation element. First short circuit component and second short circuit component electric connection to ground plane. First radiation element has feed -in point to the setting is between first short circuit component and second short circuit component. Second radiation element electric connection is between first radiation element and first short circuit component. Third radiation element electric connection is between first radiation element and second short circuit component. First radiation element to third radiation element, first short circuit component form parallelly connected two antenna elements that set up with second short circuit component to make the antenna device operation in first frequency channel and second frequency channel. The utility model discloses an antenna device has good two broadbands operation and omni -direction radiation field pattern to the scope is covered to the signal that can increase the ceiling type network equipment effectively.
Description
Technical field
This utility model relates to a kind of antenna assembly, particularly relates to a kind of antenna assembly with broadband operation and omni-directional radiation pattern.
Background technology
In recent years, the network equipment of ceiling type, such as: WAP (accesspoint is called for short AP), the commanding elevation (such as, ceiling) being typically installed in space, thereby to obtain bigger signal covering scope.Additionally, in order to enable the ceiling type network equipment to provide optimal signal covering scope, its internal antenna assembly often must have isotropic radiation pattern.But, existing antenna assembly often cannot meet double broadband operation and the demand of omni-directional radiation pattern simultaneously, and then limit ceiling type network equipment development in reality application.
Utility model content
This utility model provides a kind of antenna assembly, has good double broadband operations and omni-directional radiation pattern, thus can effectively increase the signal covering scope of the ceiling type network equipment.
Antenna assembly of the present utility model, including the first short-circuit component, the second short-circuit component, the first radiating element, the second radiating element and the 3rd radiating element.First short-circuit component and the second short-circuit component are electrically connected to ground plane.First radiating element has load point, and is arranged between the first short-circuit component and the second short-circuit component.Second radiating element is electrically connected between the first radiating element and the first short-circuit component.3rd radiating element is electrically connected between the first radiating element and the second short-circuit component.First radiating element forms two antenna elements being arranged in parallel to the 3rd radiating element, the first short-circuit component and the second short-circuit component, so that antenna assembly operation is in the first frequency range and the second frequency range.
As an embodiment of the present utility model, described first radiating element, described second radiating element and described first short-circuit component form one first inverted F shaped antenna, and described first radiating element, described 3rd radiating element form one second inverted F shaped antenna with described second short-circuit component.
As an embodiment of the present utility model, 1/2 wavelength of a length of described first frequency range of described first radiating element.
Further, the length of the length of described second radiating element and described 3rd radiating element is respectively 1/4 wavelength of described second frequency range.
As an embodiment of the present utility model, described first radiating element includes the first side wall in the face of described ground plane, and described load point is arranged on the center of described the first side wall.
Further, described first radiating element also includes one second sidewall relative with described the first side wall, and described second sidewall connects described second radiating element and described 3rd radiating element.
Further, described first radiating element forms a T-type structure to the 3rd radiating element.
As an embodiment of the present utility model, described first radiating element is perpendicular to described ground plane, and described second radiating element is parallel to described ground plane with described 3rd radiating element.
Further, described first short-circuit component and described second short-circuit component are perpendicular to described ground plane.
As an embodiment of the present utility model, described first radiating element to the 3rd radiating element, described first short-circuit component and described second short-circuit component are respectively a rectangular metal sheet.
Based on above-mentioned, antenna assembly of the present utility model forms two antenna elements being arranged in parallel by the first radiating element to the 3rd radiating element, the first short-circuit component and the second short-circuit component.Thereby, antenna assembly will can have good double broadband operations and omni-directional radiation pattern, and then is applicable to the ceiling type network equipment, and can effectively increase the signal covering scope of the ceiling type network equipment.
For features described above of the present utility model and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Fig. 1 Yu Fig. 2 is the schematic diagram of the antenna assembly according to this utility model one embodiment；
Fig. 3 is the return loss curve chart under the first frequency range of the antenna assembly according to this utility model one embodiment；
Fig. 4 is the return loss curve chart under the second frequency range of the antenna assembly according to this utility model one embodiment；
Fig. 5 is that the antenna assembly according to this utility model one embodiment arranges schematic diagram relative to ground plane；
Fig. 6 is the radiation pattern schematic diagram of the antenna assembly according to this utility model one embodiment；
Fig. 7 is that the antenna assembly according to another embodiment of this utility model arranges schematic diagram relative to ground plane；
Fig. 8 is the schematic diagram of the antenna assembly according to another embodiment of this utility model；
Fig. 9 is the radiation pattern figure in order to the antenna assembly shown in explanatory diagram 8 embodiment.
Reference:
100: antenna assembly
110: the first radiating elements
111: Part I
112: Part II
120: the second radiating elements
130: the three radiating elements
140: the first short-circuit components
150: the second short-circuit components
160: retaining element
101: ground plane
SD11: the first side wall
SD12: the second sidewall
SD21, SD31: sidewall
FP1: load point
D11, D7: spacing
D12, D82: length
710: edge
Detailed description of the invention
Fig. 1 Yu Fig. 2 is the schematic diagram of the antenna assembly according to this utility model one embodiment.As shown in Figures 1 and 2, antenna assembly 100 includes the first radiating element the 110, second radiating element the 120, the 3rd radiating element the 130, first short-circuit component 140 and the second short-circuit component 150.Wherein, the first radiating element to the 3rd radiating element 110～the 130, first short-circuit component 140 and the second short-circuit component 150 can be respectively rectangular metal sheet.
Antenna assembly 100 may also include retaining element 160.Specifically, antenna assembly 100 can be close on ground plane 101 by retaining element 160.Therefore, retaining element 160 can be considered a part for ground plane 101.Additionally, in another embodiment, person of ordinary skill in the field also can remove retaining element 160 according to design, and makes the first short-circuit component 140 in antenna assembly 100 and the second short-circuit component 150 directly be electrically connected to ground plane 101.
Continuing referring to Fig. 1 and Fig. 2, the first radiating element 110 has a load point FP1, and the first radiating element 110 is arranged between the first short-circuit component 140 and the second short-circuit component 150.Specifically, the first radiating element 110 includes relative the first side wall SD11 and the second sidewall SD12.Wherein, the first side wall SD11 is in the face of ground plane 101.Second sidewall SD12 is in order to connect the second radiating element 120 and the 3rd radiating element 130.Additionally, load point FP1 is arranged on the center of the first side wall SD11.In one embodiment, the first radiating element 110 is perpendicular to ground plane 101, and can be divided into Part I 111 and Part II 112.For example, in one embodiment, Part I 111 and Part II 112 can be separate two element, and Part I 111 is close to Part II 112 to form the first radiating element 110.In another embodiment, Part I 111 can be for example one-body molded with Part II 112.
Second radiating element 120 is electrically connected between the first radiating element 110 and the first short-circuit component 140.3rd radiating element 130 is electrically connected between the first radiating element 110 and the second short-circuit component 150.Specifically, the second radiating element 120 is symmetrical set relative to the first radiating element 110 with the 3rd radiating element 130.For example, on the basis of the geometrical plane at the first radiating element 110 place, the second radiating element 120 and the 3rd radiating element 130 are symmetrically disposed in the opposite sides of the first radiating element 110.In one embodiment, the second radiating element 120 is parallel to ground plane 101, and is electrically connected with the Part I 111 in the first radiating element 110.3rd radiating element 130 is parallel to ground plane 101, and is electrically connected with the Part II 112 in the first radiating element 110.Thereby, the first radiating element can form a T-type structure to the 3rd radiating element 110～130.
First short-circuit component 140 is electrically connected with the sidewall SD21 of the second radiating element 120, and the second short-circuit component 150 is electrically connected with the sidewall SD31 of the 3rd radiating element 130.Specifically, the first short-circuit component 140, along being perpendicular to the direction of the second radiating element 120, extends to ground plane 101 from the sidewall SD21 of the second radiating element 120.Second short-circuit component 150, along being perpendicular to the direction of the 3rd radiating element 130, extends to ground plane 101 from the sidewall SD31 of the 3rd radiating element 130.Additionally, in one embodiment, the first short-circuit component 140 and the second short-circuit component 150 are perpendicular to ground plane 101.
It should be noted that Part I the 111, second radiating element 120 and the first short-circuit component 140 can form the first inverted F shaped antenna (inverted-Fantenna).Part II the 112, the 3rd radiating element 130 and the second short-circuit component 150 can form the second inverted F shaped antenna.Additionally, described first inverted F shaped antenna and the second inverted F shaped antenna are parallel with one another.In other words, the first radiating element to the 3rd radiating element 110～the 130, first short-circuit component 140 and the second short-circuit component 150 can form two antenna elements being arranged in parallel, and said two antenna element is respectively an inverted F shaped antenna.Thereby, antenna assembly 100 will be operable in the first frequency range and the second frequency range, and have the characteristic of double broadband operation.
For example, load point FP1 can be 1/4 wavelength of the first frequency range respectively to the space D 11 of the both sides of the first side wall SD11.In other words, the length of the first radiating element 110 (that is, the length of the first side wall SD11) can be 1/2 wavelength of the first frequency range.Thereby, antenna assembly 100 mainly can be operated in the first frequency range by the first radiating element 110.Additionally, multiple current paths that the first radiating element 110 is formed also can extend the bandwidth of the first frequency range effectively.Such as, Fig. 3 is return loss (S11) curve chart under the first frequency range of the antenna assembly according to this utility model one embodiment.As it is shown on figure 3, the first frequency range of antenna assembly 100 can be for example 5GHz frequency range, and the return loss that antenna assembly 100 is between 4.5GHz～6.5GHz can reach at below-11dB.
On the other hand, the length of the second radiating element 120 and the length of the 3rd radiating element 130 are all denoted as D12, and 1/4 wavelength that length D12 is the second frequency range.Thereby, antenna assembly 100 mainly can be operated in the second frequency range by the second radiating element 120 and the 3rd radiating element 130.Additionally, multiple current paths that the second radiating element 120 and the 3rd radiating element 130 are formed also can extend the bandwidth of the second frequency range effectively.Such as, Fig. 4 is the return loss curve chart under the second frequency range of the antenna assembly according to this utility model one embodiment.As shown in Figure 4, the second frequency range of antenna assembly 100 can be for example 2.4GHz frequency range, and the return loss that antenna assembly 100 is between 2.17GHz～3GHz can reach at below-10dB.
It is worth mentioning that, person of ordinary skill in the field can be adjusted by the first to the 3rd radiating element 110～130 length (that is, D11 and D12) and two short-circuit components 140 and 150 position is set, change the CURRENT DISTRIBUTION of the first radiating element to the 3rd radiating element 110～130, and then make the radiation pattern of antenna assembly 100 produce corresponding variation.In other words, the electric current on fine-tuning first radiating element of person of ordinary skill in the field to the 3rd radiating element 110～130, to control the radiation pattern of antenna assembly 100, so that antenna assembly 100 has omni-directional radiation pattern.
For example, Fig. 5 is that the antenna assembly according to this utility model one embodiment arranges schematic diagram relative to ground plane.As it is shown in figure 5, in one embodiment, antenna assembly 100 may be provided at the center of ground plane 101.Additionally, when antenna assembly 100 is arranged on the center of ground plane 101, the radiation pattern of antenna assembly 100 will as shown in Figure 6.Wherein, the left side of Fig. 6 is the antenna assembly 100 of 2.45GHz radiation pattern on the XY-plane of θ=60 °, and the radiation pattern that the antenna assembly 100 that the right-hand part of Fig. 6 is 5.5GHz is on the XY-plane of θ=60 °.Additionally, solid line in Fig. 6 and dotted line are respectively in order to represent main polarization gain and the cross polarization gain of antenna assembly 100.As shown in Figure 6, antenna assembly 100 all has omni-directional radiation pattern under 2.45GHz Yu 5.5GHz.
In other words, antenna assembly 100 has good double broadband operations and omni-directional radiation pattern.Therefore, on reality is applied, antenna assembly 100 is applicable to the ceiling type network equipment, and can effectively increase the signal covering scope of the ceiling type network equipment.In addition, antenna assembly 100 is to be coupled to ground plane 101 by short-circuit component 140 and short-circuit component 150, that is antenna assembly 100 has Double-end grounding structure.Therefore, the electric current on the first radiating element to the 3rd radiating element 110～130 can present more uniform distribution, so that the radiation pattern of antenna assembly 100 can be relatively stable and be not easily susceptible to the impact of external environment.
Fig. 7 is that the antenna assembly according to another embodiment of this utility model arranges schematic diagram relative to ground plane.As it is shown in fig. 7, in another embodiment, antenna assembly 100 can be adjacent to an edge 710 of ground plane 101.Such as, the space D 7 between antenna assembly 100 and edge 710 can be for example 10mm.It should be noted that when antenna assembly 100 is adjacent to the edge 710 of ground plane 101, antenna assembly 100 can be affected by ground plane 101 at the radiation pattern of the first frequency range (that is, high-frequency band).Now, position can be set by finely tune the second radiating element 120 and the length of the 3rd radiating element 130 and short-circuit component 140 and short-circuit component 150, reduce the impact that antenna assembly 100 is caused by ground plane 101.
For example, Fig. 8 is the schematic diagram of the antenna assembly according to another embodiment of this utility model.As shown in Figure 8, when antenna assembly 100 is adjacent to the edge 710 of ground plane 101, the length of the second radiating element 120 and the length of the 3rd radiating element 130 can be adjusted to D82, and wherein length D82 is less than length D12 shown in Fig. 1.In other words, when antenna assembly 100 is adjacent to the edge 710 of ground plane 101, the length of the second radiating element 120 and the length of the 3rd radiating element 130 can be reduced, and short-circuit component 140 and short-circuit component 150 can be set along the direction skew away from edge 710.Thereby, the impact that antenna assembly 100 is caused by ground plane 101 can will be reduced.Such as, Fig. 9 is the radiation pattern figure in order to the antenna assembly shown in explanatory diagram 8 embodiment.Wherein, the left side of Fig. 9 is the radiation pattern that antenna assembly 100 operates when 2.45GHz on the XY-plane of θ=60 °, and the right-hand part of Fig. 9 is the radiation pattern that antenna assembly 100 operates when 5.5GHz on the XY-plane of θ=60 °.Additionally, solid line in Fig. 9 and dotted line are respectively in order to represent main polarization gain and the cross polarization gain of antenna assembly 100.With reference to Fig. 9, along with the skew of the fine setting in length of radiating element 120 and radiating element 130 and short-circuit component 140 with short-circuit component 150 is arranged, antenna assembly 100 still has good omni-directional radiation pattern under 2.45GHz Yu 5.5GHz.
In sum, antenna assembly of the present utility model forms two antenna elements being arranged in parallel by the first radiating element to the 3rd radiating element, the first short-circuit component and the second short-circuit component.Thereby, antenna assembly will can have good double broadband operations and omni-directional radiation pattern, and then is applicable to the ceiling type network equipment, and can effectively increase the signal covering scope of the ceiling type network equipment.Additionally, antenna assembly has Double-end grounding structure, therefore the radiation pattern of antenna assembly can be relatively stable and be not easily susceptible to the impact of external environment.
Although this utility model discloses as above with embodiment; so it is not limited to this utility model; any person of ordinary skill in the field; without departing from spirit and scope of the present utility model; when making a little change and retouching, therefore protection domain of the present utility model is when being as the criterion depending on claims confining spectrum.
Claims (10)
1. an antenna assembly, it is characterised in that including:
One first short-circuit component and one second short-circuit component, be electrically connected to a ground plane；
One first radiating element, has a load point, and is arranged between described first short-circuit component and described second short-circuit component；
One second radiating element, is electrically connected between described first radiating element and described first short-circuit component；And
One the 3rd radiating element, it is electrically connected between described first radiating element and described second short-circuit component, wherein said first radiating element forms, with described second short-circuit component, two antenna elements being arranged in parallel to the 3rd radiating element, described first short-circuit component, so that the operation of described antenna assembly is in one first frequency range and one second frequency range.
Antenna assembly the most according to claim 1, it is characterized in that, wherein said first radiating element, described second radiating element and described first short-circuit component form one first inverted F shaped antenna, and described first radiating element, described 3rd radiating element form one second inverted F shaped antenna with described second short-circuit component.
Antenna assembly the most according to claim 1, it is characterised in that 1/2 wavelength of a length of described first frequency range of described first radiating element.
Antenna assembly the most according to claim 3, it is characterised in that the length of the length of described second radiating element and described 3rd radiating element is respectively 1/4 wavelength of described second frequency range.
Antenna assembly the most according to claim 1, it is characterised in that described first radiating element includes the first side wall in the face of described ground plane, and described load point is arranged on the center of described the first side wall.
Antenna assembly the most according to claim 5, it is characterised in that described first radiating element also includes one second sidewall relative with described the first side wall, and described second sidewall connects described second radiating element and described 3rd radiating element.
Antenna assembly the most according to claim 6, it is characterised in that described first radiating element forms a T-type structure to the 3rd radiating element.
Antenna assembly the most according to claim 1, it is characterised in that described first radiating element is perpendicular to described ground plane, and described second radiating element is parallel to described ground plane with described 3rd radiating element.
Antenna assembly the most according to claim 8, it is characterised in that described first short-circuit component and described second short-circuit component are perpendicular to described ground plane.
Antenna assembly the most according to claim 1, it is characterised in that described first radiating element to the 3rd radiating element, described first short-circuit component and described second short-circuit component are respectively a rectangular metal sheet.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620188459.3U CN205429167U (en) | 2016-03-11 | 2016-03-11 | Antenna device |
| TW105211609U TWM533331U (en) | 2016-03-11 | 2016-08-01 | Antenna device |
| EP17159993.9A EP3217476B1 (en) | 2016-03-11 | 2017-03-09 | Antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620188459.3U CN205429167U (en) | 2016-03-11 | 2016-03-11 | Antenna device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205429167U true CN205429167U (en) | 2016-08-03 |
Family
ID=56534562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620188459.3U Active CN205429167U (en) | 2016-03-11 | 2016-03-11 | Antenna device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3217476B1 (en) |
| CN (1) | CN205429167U (en) |
| TW (1) | TWM533331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193356A (en) * | 2021-04-25 | 2021-07-30 | Oppo广东移动通信有限公司 | Antenna device, electronic tag device, and communication system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002047200A1 (en) * | 2000-12-08 | 2002-06-13 | Avantego Ab | Antenna arrangement |
| JP2002359515A (en) * | 2001-03-26 | 2002-12-13 | Matsushita Electric Ind Co Ltd | M-shaped antenna apparatus |
| JP2007221774A (en) * | 2006-01-23 | 2007-08-30 | Yokowo Co Ltd | Plane type antenna |
| US9431712B2 (en) * | 2013-05-22 | 2016-08-30 | Wisconsin Alumni Research Foundation | Electrically-small, low-profile, ultra-wideband antenna |
-
2016
- 2016-03-11 CN CN201620188459.3U patent/CN205429167U/en active Active
- 2016-08-01 TW TW105211609U patent/TWM533331U/en unknown
-
2017
- 2017-03-09 EP EP17159993.9A patent/EP3217476B1/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193356A (en) * | 2021-04-25 | 2021-07-30 | Oppo广东移动通信有限公司 | Antenna device, electronic tag device, and communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3217476B1 (en) | 2019-08-07 |
| TWM533331U (en) | 2016-12-01 |
| EP3217476A1 (en) | 2017-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |