CN111446546A - Multi-frequency antenna device - Google Patents
Multi-frequency antenna device Download PDFInfo
- Publication number
- CN111446546A CN111446546A CN202010398701.0A CN202010398701A CN111446546A CN 111446546 A CN111446546 A CN 111446546A CN 202010398701 A CN202010398701 A CN 202010398701A CN 111446546 A CN111446546 A CN 111446546A
- Authority
- CN
- China
- Prior art keywords
- strip
- shaped
- plate
- frequency antenna
- antenna device
- 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.)
- Granted
Links
- 230000005855 radiation Effects 0.000 claims abstract description 43
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
-
- 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
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention provides a multi-frequency antenna device, comprising: the circuit board is provided with a first surface and a second surface which are oppositely arranged, and the first surface is used for grounding; the antenna is arranged on the second surface and is of a plate-shaped structure; the antenna is provided with a plurality of groove-shaped structures, so that the antenna is provided with a plurality of radiation parts which are connected in sequence, and the frequency band ranges of the radiation parts are different. By the technical scheme provided by the invention, the technical problem of complex structure of the multi-frequency antenna in the prior art can be solved.
Description
Technical Field
The invention relates to the technical field of multi-frequency antennas, in particular to a multi-frequency antenna device.
Background
At present, the built-in antenna becomes the first choice of the antenna design of the current mobile communication product due to the advantages of difficult damage, small radiation to human bodies and the like. However, the ever-shrinking space presents a great challenge to the improvement of the antenna performance, and the antenna structure with a certain three-dimensional structure is generally designed to realize the coverage of different frequencies.
However, the multi-frequency antenna in the prior art has a complex structure, is inconvenient to manufacture, and increases the production cost.
Disclosure of Invention
The present invention is directed to a multi-frequency antenna device, so as to solve the technical problem of complex structure of the multi-frequency antenna in the prior art.
In order to achieve the above object, the present invention provides a multi-frequency antenna apparatus, comprising: the circuit board is provided with a first surface and a second surface which are oppositely arranged, and the first surface is used for grounding; the antenna is arranged on the second surface and is of a plate-shaped structure; the antenna is provided with a plurality of groove-shaped structures, so that the antenna is provided with a plurality of radiation parts which are connected in sequence, and the frequency band ranges of the radiation parts are different.
Further, the plurality of radiating parts comprise a first radiating part, and the plurality of groove-shaped structures comprise a first strip-shaped groove, so that the first radiating part has a plurality of first strip-shaped structures arranged at intervals.
Further, two adjacent first bar structures are arranged in parallel.
Further, first radiation portion still includes first connecting portion, and first connecting portion have relative first side and the second side that sets up, and first side and second side all are provided with first bar structure.
Further, the first bar-shaped structure has a length of L1，8mm≤L1Less than or equal to 12 mm; and/or the width of the first strip-shaped structure is B1，1.5mm≤B1Less than or equal to 2.5 mm; and/or the first strip-shaped groove has a groove width S1，0.8mm≤S1≤1.2mm。
Further, the plurality of radiating portions include a second radiating portion, and the plurality of groove-shaped structures include an arc-shaped groove, so that the second radiating portion is an arc-shaped structure.
Furthermore, the second radiation part is of an arc structure, the corresponding radius of the arc structure is R, and R is more than or equal to 9.6mm and less than or equal to 10 mm; and/or the width of the arc-shaped groove is S3，2.4mm≤S3≤3mm。
Further, a plurality of radiation portions include the third radiation portion, and the third radiation portion includes a plurality of second bar structures that connect gradually, a plurality of second bar structures's extending direction parallel arrangement.
Further, a plurality of second bar structures include second strip shaped plate, third strip shaped plate and the fourth shaped plate that connects gradually, have the second bar groove between second strip shaped plate and the third strip shaped plate, have the third bar groove between third strip shaped plate and the fourth shaped plate, second bar groove and third bar groove parallel arrangement.
Further, the length of the second strip is L2，16mm≤L2Less than or equal to 20mm, and/or the third strip-shaped plate and the fourth strip-shaped plate are L in length3，30mm≤L3≤34mm。
Further, the third bar board includes main part board and connecting plate, and the connecting plate setting is at the tip of main part board, and the width of connecting plate is greater than the width of main part board, and the connecting plate is used for being connected with the second bar board.
Further, the width of the main body plate is B2，1.5mm≤B2Less than or equal to 2.5 mm; and/or the width of the connecting plate is B3，3.5mm≤B3≤4.5mm。
Further, the length of the circuit board is L4，110mm≤L4Less than or equal to 130 mm; and/or the width of the circuit board is B4，55mm≤B4≤65mm。
Further, a grounding layer is arranged on the first surface and made of copper materials.
By applying the technical scheme of the invention, the antenna is of a plate-shaped structure, and the plurality of groove-shaped structures are arranged on the plate-shaped structure, so that a plurality of radiation parts can be formed, the structure is simple, the manufacture is convenient, and meanwhile, the frequency band ranges of the radiation parts are different, so that the circuit board can realize the coverage of different frequencies. Therefore, the technical problem that the multi-frequency antenna in the prior art is complex in structure can be solved through the technical scheme provided by the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a multi-frequency antenna apparatus provided according to an embodiment of the present invention;
fig. 2 is a diagram illustrating return loss of a multi-frequency antenna apparatus according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a circuit board; 20. an antenna; 21. a first radiation section; 211. a first bar-shaped structure; 212. a first connection portion; 22. a second radiation section; 23. a third radiation section; 231. a second strip; 232. a third strip; 233. a fourth strip plate; 31. a first bar-shaped groove; 32. an arc-shaped slot; 33. a second strip groove; 34. and a third strip-shaped groove.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the present invention provides a multi-frequency antenna device, which includes a circuit board 10 and an antenna 20, wherein the circuit board 10 has a first surface and a second surface that are oppositely disposed, and the first surface is used for grounding. The antenna 20 is disposed on the second surface, and the antenna 20 has a plate-like structure. The antenna 20 is provided with a plurality of groove structures, so that the antenna 20 is provided with a plurality of radiation parts connected in sequence, and the frequency band ranges of the radiation parts are different. The antenna 20 in this embodiment has a simple structure, is easy to manufacture, and can realize coverage of different frequencies by a plurality of radiating portions. Specifically, the circuit board 10 may be a printed circuit board 10, and the material of the printed circuit board is FR4 epoxy resin material. The antenna 20 is disposed on the second surface by a copper-clad process, and the multi-frequency antenna apparatus in this embodiment further includes a feeding structure including a copper wire and a feeding body, the feeding body being used for introducing an electromagnetic wave signal, and the copper wire passing through the circuit board 10 and connecting the antenna 20 and the feeding body together. A ground plate may be located in the middle of the short side of the antenna 20 to connect the antenna 20 and ground plane together. The coverage of a plurality of frequency bands can be realized by utilizing the resonators with different lengths, and meanwhile, the small size, light weight and small backward radiation are ensured.
Specifically, the plurality of radiating portions include a first radiating portion 21, and the plurality of groove-shaped structures include a first bar-shaped groove 31, so that the first radiating portion 21 has a plurality of first bar-shaped structures 211 arranged at intervals. With this arrangement, the gain can be improved by the plurality of first bar structures 211 arranged at intervals, specifically, the first radiation portion 21 is a high frequency portion.
In order to improve the gain of the first radiation portion 21, two adjacent first bar structures 211 are disposed in parallel.
Specifically, the first radiation portion 21 in this embodiment further includes a first connection portion 212, the first connection portion 212 has a first side and a second side that are oppositely disposed, and the first side and the second side are both provided with the first bar-shaped structures 211, so as to form the antenna 20 array. Specifically, the first bar-shaped structure 211 in this embodiment is a first bar-shaped plate, two first bar-shaped plates are disposed on the first side, two first bar-shaped plates are disposed on the second side, the two first bar-shaped plates on the first side are disposed in parallel, and the two first bar-shaped plates on the second side are disposed in parallel.
In order to better ensure the frequency coverage of the first radiating portion 21, the length of the first bar-shaped structure 211 is L1，8mm≤L1Less than or equal to 12 mm; and/or the first bar-shaped structures 211 have a width B1，1.5mm≤B1Less than or equal to 2.5 mm; and/or the first strip-shaped groove 31 has a groove width S1，0.8mm≤S1Less than or equal to 1.2 mm. When the first bar-shaped structure 211 is too long and too wide, the size of the whole antenna 20 structure may be increased; when the first bar-shaped structure 211 has a small length and a small width, the frequency range may not be covered. By setting the appropriate groove width of the first strip-shaped groove 31, the coverage of the frequency can be easily controlled.
Specifically, in the present embodiment, the length of the first bar-shaped structure 211 is 10mm, the width of the first bar-shaped structure 211 is 2mm, and the groove width of the first bar-shaped groove 31 is 1mm, so as to reduce the overall size as much as possible on the basis of ensuring the frequency coverage of the first radiation portion 21.
In the present embodiment, the plurality of radiating portions includes the second radiating portion 22, and the plurality of groove-shaped structures includes the arc-shaped groove 32, so that the second radiating portion 22 has an arc-shaped structure. Specifically, the second radiation section 22 is used to form the intermediate frequency part. Specifically, the second radiation portion 22 is connected to the circuit board 10 through a rectangular patch.
In order to ensure the frequency coverage of the second radiation part 22, the second radiation part 22 in this embodiment is an arc structure, the corresponding radius of the arc structure is R, and R is greater than or equal to 9.6mm and less than or equal to 10 mm; and/or the arc-shaped groove 32 has a groove width S3，2.4mm≤S3≤3mm。
Specifically, the radius of the arc structure in this embodiment is 9.8mm, and the width of the arc groove 32 is 2.7mm, so as to reduce the overall size as much as possible while ensuring the frequency coverage of the second radiation portion 22. Specifically, the arc-shaped slot 32 is an open slot, and the length of the open slot is 12mm, so as to ensure the frequency coverage on the basis of ensuring the connection between the arc-shaped structure and the main structure of the antenna 20.
In this embodiment, the plurality of radiation portions include a third radiation portion 23, the third radiation portion 23 includes a plurality of second strip-shaped structures connected in sequence, and the extending directions of the plurality of second strip-shaped structures are arranged in parallel, so that the plurality of second strip-shaped structures form a serpentine structure. With such a structural arrangement, a low-frequency portion can be formed by the third radiation portion 23 to cover a low-frequency range.
Specifically, the plurality of second strip-shaped structures include a second strip-shaped plate 231, a third strip-shaped plate 232 and a fourth strip-shaped plate 233 which are connected in sequence, a second strip-shaped groove 33 is formed between the second strip-shaped plate 231 and the third strip-shaped plate 232, a third strip-shaped groove 34 is formed between the third strip-shaped plate 232 and the fourth strip-shaped plate 233, and the second strip-shaped groove 33 and the third strip-shaped groove 34 are arranged in parallel. By adopting the structure, the coverage range of low frequency can be ensured conveniently.
In the present embodiment, the length of the second strip-shaped plate 231 is L2，16mm≤L2Less than or equal to 20mm, and/or the third strip-shaped plate 232 and the fourth strip-shaped plate 233 are L in length3，30mm≤L3Less than or equal to 34 mm. In order to better ensure the coverage frequency range of the third radiation part 23, the length of the second strip-shaped plate 231 in this embodiment is 18mm, and the third strip-shaped plate 232 and the fourth strip-shaped plate 233 are both 32 mm.
Specifically, the third strip-shaped plate 232 includes a main body plate and a connecting plate, the connecting plate is disposed at the end of the main body plate, the width of the connecting plate is greater than that of the main body plate, and the connecting plate is used for being connected with the second strip-shaped plate 231 to ensure the stability of connection. The structure of the fourth strip plate 233 may be the same as that of the third strip plate 232.
In this embodiment, the width of the main body plate is B2，1.5mm≤B2Less than or equal to 2.5 mm; and/or the width of the connecting plate is B3，3.5mm≤B3Less than or equal to 4.5 mm. Specifically, in order to better secure the coverage frequency range of the third radiation part 23, the width of the main body plate is 2mm, the width of the connection plate is 4mm, and the length of the connection plate is 5 mm. By adopting the structure, the stability of connection can be improved on the basis of ensuring the coverage range of the connection frequency.
Specifically, the length of the circuit board 10 is L4，110mm≤L4Less than or equal to 130 mm; and/or the width of the circuit board 10 is B4，55mm≤B4Less than or equal to 65 mm. Preferably, the length of the circuit board 10 in this embodiment is 120mm, the width is 60mm, and the height is 10mm, so that it can be ensured that the circuit board 10 has a sufficient bearing range to bear the antenna 20, and connection between the antenna 20 and the circuit board 10 is ensured.
In this embodiment, a ground layer is disposed on the first surface, and the ground layer is made of a copper material. Specifically, a grounding metal plane is formed through a full copper-clad process, and a grounding plane is formed on one side, far away from the first surface, of the grounding layer. Meanwhile, radiation of the antenna 20 to the first surface can be reduced by a full copper-clad manner.
In this embodiment, the lower edge of the antenna 20 is 5mm from the second surface, the left edge of the antenna 20 is 10mm from the left edge of the circuit board 10, the total length of the antenna 20 is 53mm, and the total width of the antenna 20 is 32 mm.
Specifically, in this embodiment, different frequency coverage effects can be achieved by changing the relevant size. For example, reducing (increasing) the area of the ground plane, the resonant frequency of the antenna 20 as a whole is reduced (increased); changing the width and position of the shorting strip affects the return loss and frequency of the antenna 20; changing the position of the feeding portion; changing the length, number, and shape of the array antenna 20 (first radiation section 21); changing the area of the circular antenna 20 (second radiation section 22) and the size and width of the annular gap; the size of the folded antenna 20 (third radiation section 23) is changed.
Fig. 2 is a schematic diagram of return loss of the multi-frequency antenna apparatus in this embodiment, wherein, at a point m1, when the resonant frequency is 850MHz, the return loss is about-15.9543 dB; when the resonance frequency of the point m2 is 1.69GHz, the return loss is-21.2978 dB; at point m3, the resonant frequency was 2.47GHz, with a return loss of-7.9513 dB. The point A, the point B and the point C are all corresponding points at the lowest point of each wave band. Specifically, data corresponding to point m1, point m2, and point m3 are shown in the upper left corner of the table, while point m1, point m2, and point m3 all correspond to the lowest position points at the respective wavelength bands.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the resonant frequency, the gain and the coverage range of the antenna are changed by methods such as array antenna, circular antenna, folding antenna, adding branch, slotting and the like, and the coverage range of the antenna frequency is expanded; backward radiation is reduced in a mode that the back of the antenna device is fully coated with copper; the whole size is small; the volume and the insertion loss of the antenna are reduced by means of coaxial feeding, the antenna is not easy to be interfered, and meanwhile, larger power can be provided.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. A multi-frequency antenna apparatus, comprising:
a circuit board (10), the circuit board (10) having a first surface and a second surface which are oppositely arranged, the first surface being used for grounding;
an antenna (20) disposed on the second surface, the antenna (20) being a plate-like structure;
the antenna (20) is provided with a plurality of groove-shaped structures, so that the antenna (20) is provided with a plurality of radiation parts which are sequentially connected, and the frequency band ranges of the radiation parts are different.
2. The multi-frequency antenna device according to claim 1, wherein the plurality of radiating portions include a first radiating portion (21), and the plurality of slot-shaped structures include a first strip-shaped slot (31), such that the first radiating portion (21) has a plurality of first strip-shaped structures (211) arranged at intervals.
3. The multi-frequency antenna device according to claim 2, wherein two adjacent first strip structures (211) are arranged in parallel.
4. The multi-frequency antenna device according to claim 2, wherein the first radiating portion (21) further comprises a first connection portion (212), the first connection portion (212) having a first side and a second side arranged oppositely, the first side and the second side each being provided with the first strip-shaped structure (211).
5. The multi-frequency antenna apparatus of claim 2,
the first bar-shaped structure (211) has a length of L1，8mm≤L1Less than or equal to 12 mm; and/or the presence of a gas in the gas,
the first strip-shaped structure (211) has a width B1，1.5mm≤B1Less than or equal to 2.5 mm; and/or the presence of a gas in the gas,
the width of the first strip-shaped groove (31) is S1，0.8mm≤S1≤1.2mm。
6. The multi-frequency antenna device according to claim 1, wherein the plurality of radiating portions comprise second radiating portions (22), and the plurality of slot-shaped structures comprise arcuate slots (32) such that the second radiating portions (22) are arcuate structures.
7. The multi-frequency antenna device according to claim 6, wherein the second radiating portion (22) is an arc structure having a corresponding radius R, R being 9.6mm ≦ R ≦ 10 mm; and/or the arc-shaped groove (32) has a groove width S3，2.4mm≤S3≤3mm。
8. The multi-frequency antenna device according to claim 1, wherein the plurality of radiation portions include a third radiation portion (23), the third radiation portion (23) includes a plurality of second strip structures connected in series, and the extending directions of the plurality of second strip structures are arranged in parallel.
9. The multi-band antenna device according to claim 8, wherein the plurality of second strip-shaped structures comprise a second strip-shaped plate (231), a third strip-shaped plate (232) and a fourth strip-shaped plate (233) which are sequentially connected, a second strip-shaped groove (33) is formed between the second strip-shaped plate (231) and the third strip-shaped plate (232), a third strip-shaped groove (34) is formed between the third strip-shaped plate (232) and the fourth strip-shaped plate (233), and the second strip-shaped groove (33) and the third strip-shaped groove (34) are arranged in parallel.
10. The multi-frequency antenna device according to claim 9, wherein the second strip (231) has a length of L2，16mm≤L2Less than or equal to 20mm, and/or the third strip-shaped plate (232) and the fourth strip-shaped plate (233) are L in length3，30mm≤L3≤34mm。
11. The multi-frequency antenna device as claimed in claim 10, wherein the third strip-shaped plate (232) comprises a main body plate and a connecting plate, the connecting plate is disposed at an end of the main body plate, the connecting plate has a width larger than that of the main body plate, and the connecting plate is used for connecting with the second strip-shaped plate (231).
12. The multi-frequency antenna device of claim 11, wherein the main body plate has a width B2，1.5mm≤B2Less than or equal to 2.5 mm; and/or the width of the connecting plate is B3，3.5mm≤B3≤4.5mm。
13. The multi-frequency antenna arrangement according to claim 1, wherein the circuit board (10) has a length of L4，110mm≤L4Less than or equal to 130 mm; and/or the width of the circuit board (10) is B4，55mm≤B4≤65mm。
14. The multi-frequency antenna device according to any one of claims 1 to 13, wherein a ground layer is provided on the first surface, the ground layer being made of a copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398701.0A CN111446546B (en) | 2020-05-12 | 2020-05-12 | Multi-frequency antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398701.0A CN111446546B (en) | 2020-05-12 | 2020-05-12 | Multi-frequency antenna device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111446546A true CN111446546A (en) | 2020-07-24 |
| CN111446546B CN111446546B (en) | 2024-02-27 |
Family
ID=71653715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010398701.0A Active CN111446546B (en) | 2020-05-12 | 2020-05-12 | Multi-frequency antenna device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111446546B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999052175A1 (en) * | 1998-04-02 | 1999-10-14 | Allgon Ab | Wide band antenna means incorporating a radiating structure having a band form |
| US20040017329A1 (en) * | 2002-07-24 | 2004-01-29 | Shyh-Tirng Fang | Folded dual-band antenna apparatus |
| TW200614586A (en) * | 2004-06-15 | 2006-05-01 | Iida Co Ltd | Thin-plate wideband antenna and information terminal |
| US20060103577A1 (en) * | 2004-11-15 | 2006-05-18 | Samsung Electro-Mechanics Co., Ltd. | Ultra wideband internal antenna |
| CN2847562Y (en) * | 2005-08-12 | 2006-12-13 | 启碁科技股份有限公司 | Multiple frequency II type antenna |
| CN1934752A (en) * | 2004-03-22 | 2007-03-21 | 株式会社友华 | Folded antenna |
| CN201122659Y (en) * | 2007-12-07 | 2008-09-24 | 富港电子（东莞）有限公司 | Multi-frequency antenna |
| CN202275941U (en) * | 2011-09-30 | 2012-06-13 | 中兴通讯股份有限公司 | Printed type antenna and mobile communication device |
| CN102664307A (en) * | 2012-05-18 | 2012-09-12 | 哈尔滨工业大学 | Slot-loaded multi-frequency printed antenna |
| CN102904008A (en) * | 2012-09-11 | 2013-01-30 | 北京航空航天大学 | Multi-frequency broadband antenna based on broadband antenna and trapped wave structure |
| CN104466399A (en) * | 2013-09-22 | 2015-03-25 | 中兴通讯股份有限公司 | Microstrip antenna, method for filtering out interference signals and mobile terminal |
| CN106159422A (en) * | 2015-04-08 | 2016-11-23 | 智易科技股份有限公司 | Printed coupled feed-in multi-frequency antenna and electronic system |
| US20180076527A1 (en) * | 2016-09-12 | 2018-03-15 | Taoglas Group Holdings Limited | Ultra-small planar antennas |
| CN109980354A (en) * | 2017-12-28 | 2019-07-05 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN211700564U (en) * | 2020-05-12 | 2020-10-16 | 珠海格力电器股份有限公司 | Multi-frequency antenna device |
-
2020
- 2020-05-12 CN CN202010398701.0A patent/CN111446546B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999052175A1 (en) * | 1998-04-02 | 1999-10-14 | Allgon Ab | Wide band antenna means incorporating a radiating structure having a band form |
| US20040017329A1 (en) * | 2002-07-24 | 2004-01-29 | Shyh-Tirng Fang | Folded dual-band antenna apparatus |
| CN1934752A (en) * | 2004-03-22 | 2007-03-21 | 株式会社友华 | Folded antenna |
| TW200614586A (en) * | 2004-06-15 | 2006-05-01 | Iida Co Ltd | Thin-plate wideband antenna and information terminal |
| US20060103577A1 (en) * | 2004-11-15 | 2006-05-18 | Samsung Electro-Mechanics Co., Ltd. | Ultra wideband internal antenna |
| CN2847562Y (en) * | 2005-08-12 | 2006-12-13 | 启碁科技股份有限公司 | Multiple frequency II type antenna |
| CN201122659Y (en) * | 2007-12-07 | 2008-09-24 | 富港电子（东莞）有限公司 | Multi-frequency antenna |
| CN202275941U (en) * | 2011-09-30 | 2012-06-13 | 中兴通讯股份有限公司 | Printed type antenna and mobile communication device |
| CN102664307A (en) * | 2012-05-18 | 2012-09-12 | 哈尔滨工业大学 | Slot-loaded multi-frequency printed antenna |
| CN102904008A (en) * | 2012-09-11 | 2013-01-30 | 北京航空航天大学 | Multi-frequency broadband antenna based on broadband antenna and trapped wave structure |
| CN104466399A (en) * | 2013-09-22 | 2015-03-25 | 中兴通讯股份有限公司 | Microstrip antenna, method for filtering out interference signals and mobile terminal |
| CN106159422A (en) * | 2015-04-08 | 2016-11-23 | 智易科技股份有限公司 | Printed coupled feed-in multi-frequency antenna and electronic system |
| US20180076527A1 (en) * | 2016-09-12 | 2018-03-15 | Taoglas Group Holdings Limited | Ultra-small planar antennas |
| CN109980354A (en) * | 2017-12-28 | 2019-07-05 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN211700564U (en) * | 2020-05-12 | 2020-10-16 | 珠海格力电器股份有限公司 | Multi-frequency antenna device |
Non-Patent Citations (3)
| Title |
|---|
| QINJIANG RAO 等: "RIM-shaped multi-frequency band slot-strip antenna", 《2008 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM》 * |
| 杨虹;陈轶芬;邵建兴;: "一种新型多频微带天线的分析与设计", 科技导报, no. 22 * |
| 邵建兴;陈轶芬;: "一种小型多频微带天线的分析与设计", 中国电子科学研究院学报, no. 01 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111446546B (en) | 2024-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11777229B2 (en) | Antennas including multi-resonance cross-dipole radiating elements and related radiating elements | |
| ES2950561T3 (en) | Multi-band base station antennas having crossed dipole radiation elements | |
| CN109149131B (en) | Dipole antenna and associated multiband antenna | |
| US8354972B2 (en) | Dual-polarized radiating element, dual-band dual-polarized antenna assembly and dual-polarized antenna array | |
| US7843389B2 (en) | Complementary wideband antenna | |
| TWI489690B (en) | Multi-band planar inverted-f (pifa) antennas and systems with improved isolation | |
| JP4089680B2 (en) | Antenna device | |
| US11081800B2 (en) | Dual-polarized antenna | |
| EP2052438B1 (en) | Electromagnetic band-gap structure | |
| AU2011354510B2 (en) | Antenna having external and internal structures | |
| CN105762508A (en) | Broadband dual-polarized mobile base station antenna unit equipped with metallic pillars | |
| US20100182203A1 (en) | Broadband antenna for wireless communications | |
| WO2004112189A1 (en) | A multiband antenna for a portable terminal apparatus | |
| US20090174607A1 (en) | Antenna | |
| KR100616545B1 (en) | Multi-band laminated chip antenna using double coupling feeding | |
| CN109478713B (en) | Wireless transceiver device, antenna unit and base station | |
| JP2001284954A (en) | Surface mount antenna, frequency control and setting method for dual resonance therefor and communication equipment provided with surface mount antenna | |
| JP2004040596A (en) | Multiple frequency antenna for portable radio equipment | |
| CN112821045A (en) | Radiation unit and base station antenna | |
| EP2278663A2 (en) | A small antenna and a multiband antenna | |
| US11682838B2 (en) | Multiband antenna structure | |
| CN211700564U (en) | Multi-frequency antenna device | |
| CN112542682A (en) | Decoupling dual-polarization low-frequency oscillator and embedded dual-band array antenna | |
| JP3966855B2 (en) | Multi-frequency antenna | |
| CN217934192U (en) | Low-frequency scattering suppression radiation unit and multi-frequency shared antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |