CN209516008U - A kind of big frequency of WLAN/ millimeter wave is than three frequency ceramic antennas - Google Patents
A kind of big frequency of WLAN/ millimeter wave is than three frequency ceramic antennas Download PDFInfo
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- CN209516008U CN209516008U CN201920224287.4U CN201920224287U CN209516008U CN 209516008 U CN209516008 U CN 209516008U CN 201920224287 U CN201920224287 U CN 201920224287U CN 209516008 U CN209516008 U CN 209516008U
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- millimeter wave
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- 239000000919 ceramic Substances 0.000 title claims abstract description 35
- 230000005855 radiation Effects 0.000 claims abstract description 53
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 9
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 4
- -1 first Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a kind of big frequencies of WLAN/ millimeter wave than three frequency ceramic antennas, first medium substrate and second medium substrate including being ceramic material, the upper surface of first medium substrate is respectively equipped with latticed radiation patch, meandering gap shape radiation patch and rectilinear slot shape radiation patch, meandering gap shape radiation patch and rectilinear slot shape radiation patch are distributed in a left side for latticed radiation patch, right both sides, second medium substrate is located at the lower section of first medium substrate, first, metal floor is provided between second medium substrate, the lower surface of second medium substrate is provided with two microstrip lines as feeding point, for being fed to meandering gap shape radiation patch and rectilinear slot shape radiation patch, a metal probe is equipped in latticed radiation patch as feeding point.The utility model has the characteristics that bandwidth, small in size, high-gain, feed structure are simple, can be applied in millimeter wave and microwave telecommunication system.
Description
Technical field
The utility model relates to the technical fields of wireless mobile communications, refer in particular to a kind of big frequency ratio of WLAN/ millimeter wave
Three frequency ceramic antennas.
Background technique
Antenna is the primary element for forming wireless telecom equipment, and transmitting is played in entire wireless communication system and receives electricity
The effect of magnetic wave.It is converted mutually high-frequency current with electromagnetic wave, is turned between a kind of guided wave and free space wave
Parallel operation part is widely used in the various civil and military fields such as mobile communication, remote sensing, navigation, broadcast, radar, nature performance
Quality is most important for entire wireless system.
Double frequency or multifrequency antenna can effectively save the occupied sky of antenna under the premise of meeting multiplexing and making bandwidth requirements
Between, reduce the size of entire antenna system, while also conducive to integrated and cost the reduction of entire wireless system, thus in recent years
Carry out one of the hot spot of always antenna research field.The working frequency range multidigit of existing dual-band antenna in the microwave frequency band compared with low frequency,
However as the fast development of wireless communication technique and contemporary millimeter-wave technology, it is only capable of working in the dual-band antenna of low frequency band
It will be unable to meet the needs of following millimetre-wave attenuator.Therefore, it is simultaneously operable the double frequency or more with microwave and millimeter wave frequency band
The research of frequency antenna has been got more attention.
IEEE 802.11ad standard has gone through to support the wireless communication of following three wave band: 60,5.2 and 2.4GHz.Consider
To huge commercial opportunities brought by this new standard, chip designer, which has begun, to set about constructing three band radio electric equipments, with
Realize the switching between 60,5.2 and 2.4GHz network.It is expected that three Band Radio equipment soon by provide thousands of million it is wireless
Speed, to support numerous applications in low-power consumption and high-performance equipment, including consumption electronic product, PC, mobile phone and
Home network device.Obviously, three Band Radio equipment need tri-band antenna.
According to investigations with understanding, disclosed prior art is as follows:
2015, Bloomberg in the article for having delivered one entitled " design and research of multiband aerial " in Hownet,
A racemosus section printed monopole antenna of design.Wherein main minor matters mainly correspond to 2.5GHz frequency range, left side resonance minor matters master
5.5GHz resonance minor matters are corresponded to, right side resonance minor matters mainly correspond to 3.5GHz frequency range.
2017, Yi Liu, Xi Li, Lin Yang and Ying Liu was in " IEEE TRANSACTIONS ON
Entitled " the A Dual-Polarized Dual-Band of deliver on ANTENNAS AND PROPAGATION "
In the article of Antenna With Omni-Directional Radiation Patterns ", a kind of novel pair is proposed
Polarize two waveband omnidirectional antenna.The antenna is by one in eight circular patches slotted, eight short metal pins and one
Centre feed coaxial probe composition.Using TM01 mode, eight empty metal needles and fluting can radiate θ and φ ingredient respectively.Low
It can produce omnidirectional's circular polarization in frequency range.When basic TM02 mode is excited, omnidirectional can produce on higher wave band
Linear polarization.Omnidirectional's circular polarization field and omnidirectional's Linearly polarized field can be achieved at the two resonance frequencies.
Above-mentioned multifrequency antenna is only used for microwave band, can not work at the same time in microwave band and millimeter wave band, meet
Existing communication and following millimeter wave are the same as the demand believed.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts and deficiency, it is big to propose a kind of WLAN/ millimeter wave
Frequency has the characteristics that bandwidth, small in size, high-gain, feed structure are simple, can be applied to millimeter than three frequency ceramic antennas
In wave and microwave telecommunication system.
To achieve the above object, technical solution provided by the utility model are as follows: a kind of big frequency of WLAN/ millimeter wave is than three
Frequency ceramic antenna, first medium substrate and second medium substrate including being ceramic material, the first medium substrate it is upper
Surface is respectively arranged with latticed radiation patch, meandering gap shape radiation patch and rectilinear slot shape radiation patch, the complications
Slot-shaped radiation patch and rectilinear slot shape radiation patch are distributed in the left and right both sides of latticed radiation patch, and described second is situated between
Matter substrate is located at the lower section of first medium substrate, and between first medium substrate and second medium substrate with being provided with metal
Plate, the lower surface of the second medium substrate are provided with two microstrip lines as feeding point, paste for radiating to meandering gap shape
Piece and rectilinear slot shape radiation patch are fed, while being provided with a metal probe as feedback in latticed radiation patch
Electric point.
Further, the grid of the latticed radiation patch is made of 23 rectangles, which presses 3 one rows of rectangle
It is alternately arranged from top to bottom with 2 one rows of rectangle, is placed with 9 row's rectangle groups altogether.
Further, the long side length of all rectangles is identical, but bond length is then not exactly the same, from top to bottom the 1st, 2,8
Identical with the bond length of 9 rows, the 3rd is identical with the bond length of 7 rows, and the bond length of the row of the 4th, 5 and 6 is identical.
Further, the long side length of all rectangles is 2.36mm, and the bond length of the row of the 1st, 2,8 and 9 is from top to bottom
The bond length of the row of 1.52mm, the 3rd and 7 is 1.4mm, and the bond length of the row of the 4th, 5 and 6 is 1.36mm.
Further, the first medium substrate is made of four layers of ceramics, and the second medium substrate is made of one layer of ceramics.
Further, every layer it is ceramic with a thickness of 0.095mm.
Further, the metal probe connects after sequentially passing through first medium substrate, metal floor and second medium substrate
There is rectangular metal sheet.
The utility model compared with prior art, have the following advantages that with the utility model has the advantages that
1, the utility model can satisfy in 52.51GHz~61.62GHz frequency bandwidth, | S11 |≤- 10dB, i.e. -10dB
Impedance bandwidth is 15.18%, and maximum gain is up to 15.84dBi in 57GHz~64GHz working frequency range, with existing 60GHz
Millimeter wave grid array antenna is compared, and has higher bandwidth and higher gain.
2, the utility model free switching can use in 2.4,5.2 and 60GHz, tri- frequency ranges, can satisfy different electricity
The demand of sub- equipment.
3, the utility model have high-gain, small in size, radiation efficiency is high, radiation characteristic is good, can be with the spy of circuit integration
Point.
Detailed description of the invention
Fig. 1 is the perspective view one of of the big frequency of WLAN/ millimeter wave than three frequency ceramic antennas of the utility model.
Fig. 2 be the utility model the big frequency of WLAN/ millimeter wave than three frequency ceramic antennas perspective view two.
Fig. 3 is the side view of the big frequency of WLAN/ millimeter wave than three frequency ceramic antennas of the utility model.
Fig. 4 is the grid array antenna of the big frequency of WLAN/ millimeter wave than three frequency ceramic antennas of the utility model | S11 |
Simulation result curve graph.
Fig. 5 is that the big frequency of WLAN/ millimeter wave of the utility model is more bent than the grid array antenna gain of three frequency ceramic antennas
Line chart.
Fig. 6 be the utility model the big frequency of WLAN/ millimeter wave than three frequency ceramic antennas grid array antenna in 60GHz
When E surface radiation directional diagram.
Fig. 7 be the utility model the big frequency of WLAN/ millimeter wave than three frequency ceramic antennas grid array antenna in 60GHz
When H surface radiation directional diagram.
Fig. 8 be the utility model the big frequency of WLAN/ millimeter wave than three frequency ceramic antennas slot antenna | S11 | emulation
Result curve figure.
Fig. 9 is meandering gap antenna of the big frequency of the utility model WLAN/ millimeter wave than three frequency ceramic antennas in 2.43GHz
When xoz surface radiation directional diagram.
Figure 10 is that the big frequency of WLAN/ millimeter wave of the utility model exists than the meandering gap antenna of three frequency ceramic antennas
Yoz surface radiation directional diagram when 2.43GHz.
Figure 11 is that the big frequency of WLAN/ millimeter wave of the utility model exists than the linear slot antenna of three frequency ceramic antennas
Xoz surface radiation directional diagram when 5.25GHz.
Figure 12 is that the big frequency of WLAN/ millimeter wave of the utility model exists than the linear slot antenna of three frequency ceramic antennas
Yoz surface radiation directional diagram when 5.25GHz.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
As depicted in figs. 1 and 2, the big frequency of WLAN/ millimeter wave provided by the present embodiment is than three frequency ceramic antennas, including equal
For the first medium substrate 1 and second medium substrate 6 of ceramic material, the upper surface of the first medium substrate 1 is respectively arranged with
Latticed radiation patch 2, meandering gap shape radiation patch 4 and rectilinear slot shape radiation patch 3, the meandering gap shape radiation patch
Piece 4 and rectilinear slot shape radiation patch 3 are distributed in the left and right both sides of latticed radiation patch 2, the second medium substrate 6
In the lower section of first medium substrate 1, and metal floor 5, institute are provided between first medium substrate 1 and second medium substrate 6
The lower surface for stating second medium substrate 6 is provided with two microstrip lines 8,9 as feeding point, for rectilinear slot shape radiation patch
3 and meandering gap shape radiation patch 4 fed, while 7 conduct of metal probe is provided in latticed radiation patch 2
Feeding point, the metal probe 7 are connected with square after sequentially passing through first medium substrate 1, metal floor 5 and second medium substrate 6
Shape sheet metal.
The grid of latticed radiation patch 2 is made of 23 rectangles, which presses 3 one rows of rectangle and 2 squares
One row of shape is alternately arranged from top to bottom, is placed with 9 row's rectangle groups altogether, and the long side length of all rectangles is 2.36mm, but short side
Length is then not exactly the same, and the bond length of the row of the 1st, 2,8 and 9 is that the bond length of the row of 1.52mm, the 3rd and 7 is from top to bottom
1.4mm, the bond length of the row of the 4th, 5 and 6 are 1.36mm.
As shown in figure 3, first medium substrate 1 is stacked by four layers of ceramics, second medium substrate 6 is by one layer of ceramic group
At thickness h 0.095mm, total dielectric substrate thickness H are 0.475mm.
Each dimensional parameters of the antenna of the present embodiment are all optimized, 60G grid antenna reflection coefficient such as Fig. 4 institute
Show, from the figure, it can be seen that in 52.51GHz~61.62GHz frequency bandwidth, | S11 |≤- 10dB, i.e. -10dB impedance bandwidth
It is 15.18%；The gain of antenna is as shown in figure 5, maximum gain is reachable in 52.51GHz~61.62GHz working frequency range
15.84dBi。
The reflection coefficient of two slot antennas of the present embodiment is as shown in figure 8, low-frequency range impedance bandwidth is 60MHz (2.39
~2.45GHz), high band impedance bandwidth is 230MHz (5.12~5.35GHz).
E face of the HFSS model that the big frequency of WLAN/ millimeter wave of the present embodiment is emulated than three frequency ceramic antennas in 60GHz
Antenna pattern as shown in fig. 6, H surface radiation directional diagram in 60GHz as shown in fig. 7, xoz surface radiation in 2.43GHz
Directional diagram is as shown in figure 9, the yoz surface radiation directional diagram in 2.43GHz is as shown in Figure 10, the xoz surface radiation in 5.25GHz
Directional diagram is as shown in figure 11, and the yoz surface radiation directional diagram in 5.25GHz is as shown in figure 12.
In above-described embodiment, medium substrate dielectric constant 5.74, loss tangent 0.0023；Radiation patch, metal floor
Can be any one of aluminium, iron, tin, copper, silver, gold and platinum with the metal material of metal probe, or for aluminium, iron, tin, copper, silver,
Gold and platinum any one alloy.
The above, only the utility model patent preferred embodiment, but the protection scope of the utility model patent is simultaneously
Not limited to this, anyone skilled in the art is in the range disclosed in the utility model patent, according to this
Technical solution and its utility model design of utility model patent are subject to equivalent substitution or change, belong to the utility model patent
Protection scope.
Claims (7)
1. a kind of big frequency of WLAN/ millimeter wave is than three frequency ceramic antennas, it is characterised in that: first including being ceramic material is situated between
Matter substrate and second medium substrate, the upper surface of the first medium substrate are respectively arranged with latticed radiation patch, tortuous seam
Gap shape radiation patch and rectilinear slot shape radiation patch, the meandering gap shape radiation patch and rectilinear slot shape radiation patch point
The left and right both sides of latticed radiation patch are distributed in, the second medium substrate is located at the lower section of first medium substrate, and first
Be provided with metal floor between dielectric substrate and second medium substrate, the lower surface of the second medium substrate be provided with two it is micro-
Band line is as feeding point, for feeding to meandering gap shape radiation patch and rectilinear slot shape radiation patch, while in net
A metal probe is provided in trellis radiation patch as feeding point.
2. a kind of big frequency of WLAN/ millimeter wave according to claim 1 is than three frequency ceramic antennas, it is characterised in that: described
The grid of latticed radiation patch is made of 23 rectangles, 23 rectangles by 3 one rows of rectangle and 2 one rows of rectangle on to
Under be alternately arranged, be placed with 9 row's rectangle groups altogether.
3. a kind of big frequency of WLAN/ millimeter wave according to claim 2 is than three frequency ceramic antennas, it is characterised in that: all
The long side length of rectangle is identical, but bond length is then not exactly the same, and the bond length of the row of the 1st, 2,8 and 9 is identical from top to bottom,
3rd is identical with the bond length of 7 rows, and the bond length of the row of the 4th, 5 and 6 is identical.
4. a kind of big frequency of WLAN/ millimeter wave according to claim 3 is than three frequency ceramic antennas, it is characterised in that: all
The long side length of rectangle is 2.36mm, and the bond length of the row of the 1st, 2,8 and 9 is the short of the row of 1.52mm, the 3rd and 7 from top to bottom
Edge lengths are 1.4mm, and the bond length of the row of the 4th, 5 and 6 is 1.36mm.
5. a kind of big frequency of WLAN/ millimeter wave according to claim 1 is than three frequency ceramic antennas, it is characterised in that: described
First medium substrate is made of four layers of ceramics, and the second medium substrate is made of one layer of ceramics.
6. a kind of big frequency of WLAN/ millimeter wave according to claim 5 is than three frequency ceramic antennas, it is characterised in that: every layer
Ceramics with a thickness of 0.095mm.
7. a kind of big frequency of WLAN/ millimeter wave according to claim 1 is than three frequency ceramic antennas, it is characterised in that: described
Metal probe is connected with rectangular metal sheet after sequentially passing through first medium substrate, metal floor and second medium substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224287.4U CN209516008U (en) | 2019-02-22 | 2019-02-22 | A kind of big frequency of WLAN/ millimeter wave is than three frequency ceramic antennas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224287.4U CN209516008U (en) | 2019-02-22 | 2019-02-22 | A kind of big frequency of WLAN/ millimeter wave is than three frequency ceramic antennas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209516008U true CN209516008U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920224287.4U Expired - Fee Related CN209516008U (en) | 2019-02-22 | 2019-02-22 | A kind of big frequency of WLAN/ millimeter wave is than three frequency ceramic antennas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209516008U (en) |
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2019
- 2019-02-22 CN CN201920224287.4U patent/CN209516008U/en not_active Expired - Fee Related
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Granted publication date: 20191018 |