CN203205534U - Double-mode double-feed antenna - Google Patents
Double-mode double-feed antenna Download PDFInfo
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- CN203205534U CN203205534U CN 201320084585 CN201320084585U CN203205534U CN 203205534 U CN203205534 U CN 203205534U CN 201320084585 CN201320084585 CN 201320084585 CN 201320084585 U CN201320084585 U CN 201320084585U CN 203205534 U CN203205534 U CN 203205534U
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- radiant body
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Abstract
The utility model discloses a dual-mode double-feed antenna. The dual-mode double-feed antenna comprises a wafer antenna and a base plate, wherein the wafer antenna comprises a carrier, a first radiation body, a second radiation body, a third radiation body, a fourth radiation body, an electrode portion, an electrical connection portion and a pattern layer, wherein the water antenna is electrically connected with the base plate to form a signal double-feed antenna. Structure design in double-radiation parallel overlapping coupling relations between the first radiation body and the second radiation body and between the third radiation body and the fourth radiation body is employed to control different frequency ranges, so the antenna realizes predetermined object impedance, resonance frequency, bandwidth and radiation effects, and antenna dimensions can be effectively reduced.
Description
Technical field
The utility model relates to a kind of antenna, and espespecially a kind of have a satellite navigation system (GPS) and bluetooth (BT) antenna that different frequency range and double-fed enter.
Background technology
Known, present personal pocket electronic installation, in the devices such as Smartphone, panel computer, notebook computer, individual action assistant device, numerical digit music player and guider, all possess the Wireless LAN antenna is arranged (wifi or bluetooth), GPS and FM antenna, to provide the user that public place, company or the family that sets up radio base station arranged, can link by the Wireless LAN antenna that Internet uses or the transmission data on the radio base station, navigate or utilize the FM antenna to receive the FM broadcasting program.
Because employed Wireless LAN antenna, GPS and FM antenna all are to belong to single individuality or design with other aerial integrations on the portable electronic equipment together, these antenna all has under the set volume, if Wireless LAN antenna and FM antenna will be installed on portable electronic equipment when inner, will the account for installing space of portable electronic equipment inside causes the face shaping of portable electronic equipment to dwindle.
When many portable electronic equipments are arranged at present all towards compact appearance design, multiple antenna need be installed again in inside, and under the situation that the volume of each antenna can't dwindle, in the time of must being installed in again same portable electronic equipment inside, certainly will will dwindle the circuit board of portable electronic equipment inside or the volume of other spare part, and just can make Wireless LAN antenna, GPS or FM antenna be installed on this portable electronic equipment inner.Thus, with the difficulty that causes in portable electronic equipment and Antenna Design and the making.
The utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of bimodulus doubly-fed antenna that has, the structural design of this two antennas utilization parallel overlapping coupled relation of two radiant bodies separately, control two antennas at different frequency range, and then reach predetermined target impedance, resonance frequency, frequency range and radiation effect, and can effectively dwindle antenna size.
For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that a kind of bimodulus doubly-fed antenna, comprises:
One wafer antenna comprises:
One carrier has an end face and a bottom surface at least on it, have a center on this carrier;
One first radiant body is located at the inner neighbour's end face in this carrier right side, has a first end and a second end on this first radiant body;
One second radiant body is located at this carrier right side inner and be positioned at this first radiant body below and this end face of neighbour, and this first radiant body is parallel overlapping coupling pass with this second radiant body, this second radiant body this first radiant body near the center of this carrier;
One the 3rd radiant body is located at this inner neighbour's end face in carrier left side, and is positioned on the same layer horizontal plane of this carrier with this first radiant body;
One the 4th radiant body, be located at this inside, carrier left side and be positioned at below the 3rd radiant body and the end face of this carrier of neighbour, and be positioned on the same layer horizontal plane of this carrier with this second radiant body, the 3rd radiant body and the 4th radiant body are parallel overlapping coupling and close, the 4th radiant body the 3rd radiant body near the center of this carrier;
One electrode part is located at the bottom surface of this carrier, and this electrode part comprises one first electrode part, one second electrode part, a third electrode section and one the 4th electrode part;
One electrical connection section, be located at this carrier inside, this electrical connection section includes one first electrical connection section, one second electrical connection section, one the 3rd electrical connection section and one the 4th electrical connection section, this this first radiant body of the first electrical connection section electrically connect and this first electrode part, this this second radiant body of the second electrical connection section electrically connect and this second electrode part, the 3rd electrical connection section electrically connect the 3rd radiant body and this third electrode section, the 4th electrical connection section electrically connect the 4th radiant body and the 4th electrode part;
Form first antenna that can receive and transmit with this first radiant body and this second radiant body, the 3rd radiant body and the 4th radiant body form second antenna that can receive and transmit.
Further, this carrier is the ceramic substrate of multilayer or the rectangle that glass mat forms.
Further, this first and second radiant body is the metal material of plates, have a first end and a second end on this first radiant body, have one the 3rd end and one the 4th end on this second radiant body, this first radiant body is during with the parallel overlapping coupling of this second radiant body, the 3rd end of this second radiant body with the first end of this first radiant body center near this carrier, the parallel overlapping coupling of this first radiant body and this second radiant body is closed with coupling area and the coupling distance height of controlling or adjust frequency.
Further, this third and fourth radiant body is the metal material of plates, have a five terminal section and one the 6th end on the 3rd radiant body, have one the 7th end and one the 8th end on the 4th radiant body, the 3rd radiant body is during with the parallel overlapping coupling of the 4th radiant body, the five terminal section of the 3rd radiant body is near the center of this carrier in the 7th end of the 4th radiant body, and the parallel overlapping coupling of the 3rd radiant body and the 4th radiant body is closed with coupling area and the coupling distance height of controlling or adjust frequency.
Further, more include a patterned layer.
Further, this electrode part is metal material, this first electrode part, the second electrode part, third electrode section and the 4th electrode part for wafer antenna can surface mount on a substrate.
Further, this electrical connection section is metal material.
Further, have a ground metal layer and one first hollow-out parts on this substrate front side, the both sides of this first hollow-out parts respectively are extended with one and relatively are referred to as the second hollow-out parts and the 3rd hollow-out parts, have on this first hollow-out parts one with the first contact and second contact of this metal level electrically connect, this the first contact electrically connect has first metal wire sections that is positioned at this second hollow-out parts, has the first signal feed-in line on this second hollow-out parts, this first signal feed-in line has the first termination and the second termination, and the spacing between this first termination and this first metal wire sections forms one first match circuit.
Further, this the second contact electrically connect has second metal wire sections that is positioned at the 3rd hollow-out parts, has the secondary signal feed-in line on the 3rd hollow-out parts, this secondary signal feed-in line has the 3rd termination and the 4th termination, and the spacing between the 3rd termination and this second metal wire sections forms one second match circuit.
Further, have one first grounded metal line and one second grounded metal line between this first contact and the second contact, this the first grounded metal line and this second grounded metal line and this ground metal layer electrically connect, the first electrode part electrically connect of this electrode part is on this first contact, this the second electrode part electrically connect is on this first grounded metal line, this third electrode section electrically connect is on the second contact, and the 4th electrode part electrically connect is on this second grounded metal line.
The technique effect that the utility model reaches is as follows: the utility model provides a kind of bimodulus doubly-fed antenna that has, the structural design of this two antennas utilization parallel overlapping coupled relation of two radiant bodies separately, control two antennas at different frequency range, and then reach predetermined target impedance, resonance frequency, frequency range and radiation effect, and can effectively dwindle antenna size.
Description of drawings
Fig. 1 is bimodulus double-feed antenna stereoscopic schematic diagram of the present utility model.
Fig. 2 is that bimodulus double-feed antenna side of the present utility model is cutd open schematic diagram.
Fig. 3 is substrate front side schematic diagram of the present utility model.
Fig. 4 is wafer antenna of the present utility model and substrate in combination schematic diagram.
Fig. 5 is the local enlarged diagram of Fig. 4.
Fig. 6 is the GPS reflection power ratio curve synoptic diagram of bimodulus doubly-fed antenna of the present utility model.
Fig. 7 is the BT reflection power ratio curve synoptic diagram of bimodulus doubly-fed antenna of the present utility model.
Fig. 8 is the delivering power isolation ratio curve synoptic diagram of bimodulus doubly-fed antenna of the present utility model.
[symbol description]
End face 11 bottom surfaces 12
13 centers 14, side
The first radiant body 2 first ends 21
The second end 22 second radiant bodies 3
The 4th end 32, the 3rd end 31
The 3rd radiant body 4 five terminal sections 41
The 6th end 42 the 4th radiant body 5
The 8th end 52, the 7th end 51
Electrode part 6 first electrode parts 61
The second electrode part 62 third electrode sections 63
The 4th electrode part 64 electrical connection sections 7
The first electrical connection section 71 second electrical connection sections 72
The 3rd electrical connection section 73 the 4th electrical connection section 74
The second hollow-out parts 921 the 3rd hollow-out parts 922
The first contact 93 first metal wire sections 931
The second contact 94 second metal wire sections 941
First signal feed-in line 95 first terminations 951
The second termination 952 first match circuits 96
Secondary signal feed-in line 97 the 3rd termination 971
The 4th termination 972 second match circuits 98
The first grounded metal line 99 second grounded metal lines 990
Spacing 20 spacings 30.
Embodiment
Existing pass the technical content and a detailed description of the present utility model now cooperate graphic being described as follows:
See also Fig. 1, Fig. 2, bimodulus double-feed antenna stereoscopic of the present utility model, side are cutd open schematic diagram.As shown in the figure: a wafer antenna 10 of bimodulus doubly-fed antenna of the present utility model comprises: a carrier 1, one first radiant body 2, one second radiant body 3, one the 3rd radiant body 4,, one the 4th radiant body 5, an electrode part 6, an electrical connection section 7 and a patterned layer 8.
This carrier 1 is formed rectangular semiconductor die chip antenna by ceramic substrate or the glass mat of multilayer, has at least an end face 11, a bottom surface 12 and two side faces 13 on it, has a center 14 on this carrier 1.
This first radiant body 2, for metal material is made plates, inner neighbour's end face 11 has a first end 21 and a second end 22 on this first radiant body 2 on the right side of establishing this carrier 1.
This second radiant body 3 is made plates for metal material, is located at this carrier 1 right side inner and be positioned at the end face 11 of these the first radiant body 2 belows and this carrier 1 of neighbour.Have one the 3rd end 31 and one the 4th end 32 on this second radiant body 3.This first radiant body 2 and this second radiant body 3 are parallel overlapping coupling and close, the 3rd end 31 that makes this second radiant body 3 first end 31 of this first radiant body 2 near the center 14 of this carrier 1.
The 3rd radiant body 4 for metal material is made plates, is being established the inner neighbour's end face 11 in this carrier 1 left side, and is being positioned on the same layer horizontal plane of this carrier 1 with this first radiant body 2, has a five terminal section 41 and one the 6th end 42 on the 3rd radiant body 4.
The 4th radiant body 5, for metal material is made plates, be located at this carrier 1 left side inner and be positioned at the end face 11 of the 3rd radiant body 2 belows and this carrier 1 of neighbour, and be positioned on the same layer horizontal plane of this carrier 1 with this second radiant body 3, have one the 7th end 51 and one the 8th end 52 on the 4th radiant body 5.The 3rd radiant body 4 and the 4th radiant body 5 are parallel overlapping coupling and close, the 7th end 51 that makes the 4th radiant body 5 the five terminal section 41 of the 3rd radiant body 4 near the center 14 of this carrier 1.
This electrode part 6 is metal material, is located at the bottom surface 12 of this carrier 1, and this electrode part 6 comprises one first electrode part 61, one second electrode part 62, a third electrode section 63 and one the 4th electrode part 64.This first electrode part 61, the second electrode part 62, third electrode section 63 and the 4th electrode part 64 for wafer antennas 10 can surface mount on the substrate (not shown).
This electrical connection section 7 is metal material, and is located at this carrier 1 inside, and this electrical connection section 7 includes one first electrical connection section 71, one second electrical connection section 72, one the 3rd electrical connection section 73 and one the 4th electrical connection section 74.These the first electrical connection section 71 electrically connects this first radiant body 2 and this first electrode part 61.These the second electrical connection section 72 electrically connects this second radiant body 2 and this second electrode part 62.The 3rd electrical connection section 73 electrically connects the 3rd radiant body 4 and this third electrode section 63.The 4th electrical connection section 74 electrically connects the 4th radiant body 5 and the 4th electrode part 64.
This patterned layer 8 is located on the end face 11 of this carrier 1, model, house mark pattern that this patterned layer 8 can printed antenna.
By, this first radiant body 2 and this second radiant body 3 form one and receive or transmit satellite navigation system signal (GPS) employed the first antenna (GPS).Because this first radiant body 2 and the 3 parallel overlapping couplings of this second radiant body are closed, this coupling pass is coupling area and the coupling distance with radiant body, form the two coupling capacitances modulation that mates with each other, adjust control the first antenna band (applicable to the 1.575GHZ antenna) and reach predetermined target impedance, resonance frequency, frequency range and radiation effect, and can effectively dwindle antenna size.In addition, the 3rd radiant body 4 and the 4th radiant body 5 form reception or transmit employed the second antenna of short-range signal (bluetooth antenna BLUETOOTH), close with the 3rd radiant body 4 and the 5 parallel overlapping couplings of the 4th radiant body, this coupling pass is coupling area and the coupling distance with radiant body, form the two coupling capacitances modulation that mates with each other, control the second antenna band (applicable to the 2.4GHZ antenna) and reach predetermined target impedance, resonance frequency, frequency range and radiation effect, and can effectively dwindle antenna size.
See also Fig. 3, Fig. 4 and Fig. 5, the local enlarged diagram of substrate front side of the present utility model, wafer antenna and substrate in combination and Fig. 4.As shown in the figure: when wafer antenna 10 of the present utility model uses, these wafer antenna 10 electrically connects are explained at a substrate 9 with headroom district.
Have a ground metal layer 91 and one first hollow-out parts 92 on these substrate 9 fronts, the both sides of this first hollow-out parts 92 respectively are extended with symmetrical the second hollow-out parts 921 and the 3rd hollow-out parts 922.Have on this first hollow-out parts 92 one with the first contact 93 and second contact 94 of these ground metal layer 91 electrically connects, these the first contact 93 electrically connects have first metal wire sections 931 that is positioned at this second hollow-out parts 921, has first signal feed-in line 95 on this second hollow-out parts 921, this first signal feed-in line 95 has the first termination 951 and one second termination 952, and the spacing 20 between this first termination 951 and this first metal wire sections 931 forms one first match circuit 96.In addition, in these the second contact 94 electrically connects one the second metal wire sections 941 that is positioned at the 3rd hollow-out parts 922 is arranged, has secondary signal feed-in line 97 on the 3rd hollow-out parts 922, the spacing 30 that this secondary signal feed-in line 97 has between one the 3rd termination 971 and 972, the three terminations 971, one the 4th termination and this second metal wire sections 941 forms one second match circuit 98.Between this first contact 93 and the second contact 94, have again one first grounded metal line 99 and one second grounded metal line 990, this first grounded metal line 99 and this second grounded metal line 990 and these ground metal layer 91 electrically connects.
When this wafer antenna 10 and this substrate 69 electrically connect, with the first electrode part 61 electrically connects of this electrode part 6 on this first contact 93, these the second electrode part 62 electrically connects are on this first grounded metal line 99, these third electrode section 63 electrically connects are on the second contact 94, and the 4th electrode part 64 electrically connects are on this second grounded metal line 990.
And in the second termination 952 of this first signal feed-in line 95 and the 4th termination 972 each electrically connect of this secondary signal feed-in line 97 one coaxial cable line (not shown) is arranged, at antenna receiving signal or when transmitting, pass to this first signal feed-in line 95 or this secondary signal feed-in line 97 by this coaxial wire, or pass to this coaxial wire by this first signal feed-in line 95 or this secondary signal feed-in line 97.
See also Fig. 6, the GPS reflection power ratio curve synoptic diagram of bimodulus doubly-fed antenna of the present utility model.As shown in the figure: Δ 1 frequency is-20.277dB that Δ 2 frequencies are-0.5708dB that Δ 3 frequencies are-0.7084dB that Δ 4 frequencies are-0.8700dB at 2.4500000GHZ at 2.5000000GHZ at 2.4000000GHZ at 1.5750000GHZ.
See also Fig. 7, the BT reflection power ratio curve synoptic diagram of bimodulus doubly-fed antenna of the present utility model.As shown in the figure: Δ 1 frequency is-0.6088dB that Δ 2 frequencies are-10.327dB that Δ 3 frequencies are-18.090dB that Δ 4 frequencies are-10.002dB at 2.4500000GHZ at 2.5000000GHZ at 2.3959975GHZ at 1.5750000GHZ.
See also Fig. 8, the delivering power isolation ratio curve synoptic diagram of bimodulus doubly-fed antenna of the present utility model.As shown in the figure: Δ 1 frequency is-19.783dB that Δ 2 frequencies are-19.637dB that Δ 3 frequencies are-19.294dB that Δ 4 frequencies are-19.752dB at 2.4500000GHZ at 2.5000000GHZ at 2.3959975GHZ at 1.5750000GHZ.
The above is preferred embodiment of the present utility model only, is not be used to limiting protection range of the present utility model.
Claims (10)
1. a bimodulus doubly-fed antenna is characterized in that, comprises:
One wafer antenna comprises:
One carrier has an end face and a bottom surface at least on it, have a center on this carrier;
One first radiant body is located at the inner neighbour's end face in this carrier right side, has a first end and a second end on this first radiant body;
One second radiant body is located at this carrier right side inner and be positioned at this first radiant body below and this end face of neighbour, and this first radiant body is parallel overlapping coupling pass with this second radiant body, this second radiant body this first radiant body near the center of this carrier;
One the 3rd radiant body is located at this inner neighbour's end face in carrier left side, and is positioned on the same layer horizontal plane of this carrier with this first radiant body;
One the 4th radiant body, be located at this inside, carrier left side and be positioned at below the 3rd radiant body and the end face of this carrier of neighbour, and be positioned on the same layer horizontal plane of this carrier with this second radiant body, the 3rd radiant body and the 4th radiant body are parallel overlapping coupling and close, the 4th radiant body the 3rd radiant body near the center of this carrier;
One electrode part is located at the bottom surface of this carrier, and this electrode part comprises one first electrode part, one second electrode part, a third electrode section and one the 4th electrode part;
One electrical connection section, be located at this carrier inside, this electrical connection section includes one first electrical connection section, one second electrical connection section, one the 3rd electrical connection section and one the 4th electrical connection section, this this first radiant body of the first electrical connection section electrically connect and this first electrode part, this this second radiant body of the second electrical connection section electrically connect and this second electrode part, the 3rd electrical connection section electrically connect the 3rd radiant body and this third electrode section, the 4th electrical connection section electrically connect the 4th radiant body and the 4th electrode part;
Wherein, form first antenna that can receive and transmit with this first radiant body and this second radiant body, the 3rd radiant body and the 4th radiant body form second antenna that can receive and transmit.
2. bimodulus doubly-fed antenna as claimed in claim 1 is characterized in that, this carrier is the ceramic substrate of multilayer or the rectangle that glass mat forms.
3. bimodulus doubly-fed antenna as claimed in claim 2, it is characterized in that, this is first years old, two radiant bodies are the metal material of plates, have a first end and a second end on this first radiant body, have one the 3rd end and one the 4th end on this second radiant body, this first radiant body is during with the parallel overlapping coupling of this second radiant body, the 3rd end of this second radiant body with the first end of this first radiant body center near this carrier, the parallel overlapping coupling of this first radiant body and this second radiant body is closed with coupling area and the coupling distance height of controlling or adjust frequency.
4. bimodulus doubly-fed antenna as claimed in claim 3, it is characterized in that, the 3rd, four radiant bodies are the metal material of plates, have a five terminal section and one the 6th end on the 3rd radiant body, have one the 7th end and one the 8th end on the 4th radiant body, the 3rd radiant body is during with the parallel overlapping coupling of the 4th radiant body, the five terminal section of the 3rd radiant body is near the center of this carrier in the 7th end of the 4th radiant body, and the parallel overlapping coupling of the 3rd radiant body and the 4th radiant body is closed with coupling area and the coupling distance height of controlling or adjust frequency.
5. bimodulus doubly-fed antenna as claimed in claim 4 is characterized in that, more includes a patterned layer.
6. bimodulus doubly-fed antenna as claimed in claim 5 is characterized in that, this electrode part is metal material, this first electrode part, the second electrode part, third electrode section and the 4th electrode part for wafer antenna can surface mount on a substrate.
7. bimodulus doubly-fed antenna as claimed in claim 6 is characterized in that, this electrical connection section is metal material.
8. bimodulus doubly-fed antenna as claimed in claim 7, it is characterized in that, have a ground metal layer and one first hollow-out parts on this substrate front side, the both sides of this first hollow-out parts respectively are extended with symmetrical the second hollow-out parts and the 3rd hollow-out parts, have on this first hollow-out parts one with the first contact and second contact of this metal level electrically connect, this the first contact electrically connect has first metal wire sections that is positioned at this second hollow-out parts, has the first signal feed-in line on this second hollow-out parts, this first signal feed-in line has the first termination and the second termination, and the spacing between this first termination and this first metal wire sections forms one first match circuit.
9. bimodulus doubly-fed antenna as claimed in claim 8, it is characterized in that, this the second contact electrically connect has second metal wire sections that is positioned at the 3rd hollow-out parts, has the secondary signal feed-in line on the 3rd hollow-out parts, this secondary signal feed-in line has the 3rd termination and the 4th termination, and the spacing between the 3rd termination and this second metal wire sections forms one second match circuit.
10. bimodulus doubly-fed antenna as claimed in claim 9, it is characterized in that, have one first grounded metal line and one second grounded metal line between this first contact and the second contact, this the first grounded metal line and this second grounded metal line and this ground metal layer electrically connect, the first electrode part electrically connect of this electrode part is on this first contact, this the second electrode part electrically connect is on this first grounded metal line, this third electrode section electrically connect is on the second contact, and the 4th electrode part electrically connect is on this second grounded metal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084585 CN203205534U (en) | 2013-02-25 | 2013-02-25 | Double-mode double-feed antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084585 CN203205534U (en) | 2013-02-25 | 2013-02-25 | Double-mode double-feed antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203205534U true CN203205534U (en) | 2013-09-18 |
Family
ID=49149604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320084585 Expired - Fee Related CN203205534U (en) | 2013-02-25 | 2013-02-25 | Double-mode double-feed antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203205534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579334A (en) * | 2016-07-05 | 2018-01-12 | 宏碁股份有限公司 | Mobile device |
| CN109478723A (en) * | 2016-06-30 | 2019-03-15 | 日立金属株式会社 | Flat plane antenna, co-fired ceramic substrate and pseudo millimeteric wave/millimeter wave wireless communication components |
-
2013
- 2013-02-25 CN CN 201320084585 patent/CN203205534U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109478723A (en) * | 2016-06-30 | 2019-03-15 | 日立金属株式会社 | Flat plane antenna, co-fired ceramic substrate and pseudo millimeteric wave/millimeter wave wireless communication components |
| CN107579334A (en) * | 2016-07-05 | 2018-01-12 | 宏碁股份有限公司 | Mobile device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20210225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |