CN206163691U - Radio frequency antenna device - Google Patents
Radio frequency antenna device Download PDFInfo
- Publication number
- CN206163691U CN206163691U CN201621140434.2U CN201621140434U CN206163691U CN 206163691 U CN206163691 U CN 206163691U CN 201621140434 U CN201621140434 U CN 201621140434U CN 206163691 U CN206163691 U CN 206163691U
- Authority
- CN
- China
- Prior art keywords
- radio frequency
- antenna
- radio
- frequency
- antenna apparatus
- 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.)
- Active
Links
- 239000004606 Fillers/Extenders Substances 0.000 claims description 45
- 230000002265 prevention Effects 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Details Of Aerials (AREA)
Abstract
The utility model discloses a radio frequency antenna device, which comprises a radio frequency port, a radio frequency matching network and a patch antenna; the patch antenna is provided with a radio frequency feed point and a suspension point; the radio frequency port is electrically connected with a radio frequency feed point of the patch antenna through the radio frequency matching network; the radio frequency antenna device further comprises an antenna extension line electrically connected with the suspension point. By arranging the antenna extension line, the length of the patch antenna can be increased under the condition of not influencing the volume of the whole radio frequency antenna device, and the working frequency of the radio frequency antenna device is reduced to be close to the target frequency, so that the signal transmission capacity is improved; the radiation volume can be increased, and the antenna efficiency can be improved.
Description
Technical field
This utility model is related to wireless communication field, and in particular to a kind of radio frequency antenna apparatus.
Background technology
Antenna is to constitute definite shapes with plain conductor, metal covering or other dielectric materials, is erected at certain space, will be from
The radio-frequency electrical energy that transmitter is fed is converted to the electromagnetism wave energy to space radiation, or the electromagnetism wave energy of spatial transmission is converted into
Radio-frequency electrical energy is simultaneously transported to the device of receiver.
The species of antenna is a lot, in wireless terminal, particularly in the wireless terminal of miniaturization, is generally adopted by paster
Antenna.Paster antenna has the advantages that small volume, but while paster antenna has following two shortcomings：Firstth, volume is radiated
Little, antenna efficiency is not enough；Operating frequency is far above target frequency so that signal transmission capabilities die down.
Utility model content
The purpose of this utility model is to provide a kind of radio frequency antenna apparatus, increased the radiation volume of paster antenna, improves
Antenna efficiency, and can drop the operating frequency of radio frequency antenna apparatus and be close to target frequency, improve signal transmission capabilities.
In order to achieve the above object, embodiment of the present utility model is adopted the following technical scheme that：
A kind of radio frequency antenna apparatus, including prevention at radio-frequency port, radio frequency matching network and paster antenna；The paster antenna has
Radio-frequency feed point and hanging point；The radio-frequency feed point that the prevention at radio-frequency port passes through the radio frequency matching network and the paster antenna
Electrical connection；The radio frequency antenna apparatus also include the Antenna extender line electrically connected with the hanging point.
Preferably, the length of the Antenna extender lineWherein,
Length1 is the length of the paster antenna；C is the light velocity；ε is relative dielectric constant；μ is relative permeability；F0 is penetrated for described
The target frequency of frequency antenna assembly.
Preferably, the Antenna extender line is copper cash.
Preferably, the Antenna extender wire bonding on the hanging point of the paster antenna forming the Antenna extender line
With the electrical connection of the hanging point.
Preferably, the Antenna extender line is parallel to the paster antenna.
Preferably, the radio frequency matching network includes the first inductance, the second inductance and the first electric capacity；First electric capacity
First end electrically connected with the first end of second inductance by first inductance；Second end of first electric capacity and institute
The second end for stating the second inductance is grounded respectively；The prevention at radio-frequency port is electrically connected with the first end of first electric capacity；Described second
The first end of inductance is electrically connected with the radio-frequency feed point.
Preferably, the radio frequency antenna apparatus also include radio frequency chip；The outfan of the radio frequency chip and the radio frequency
Port electrically connects.
Preferably, the radio frequency antenna apparatus also include circuit board；The radio frequency chip, the prevention at radio-frequency port, described penetrate
Frequency matching network, the paster antenna and the Antenna extender line are welded on the circuit board.
In a kind of optional embodiment, the Antenna extender line is bar shaped or snakelike.
In another kind of optional embodiment, in the Antenna extender line fluting is provided with.
Compared to prior art, a kind of beneficial effect of radio frequency antenna apparatus that this utility model is provided is：It is described to penetrate
Frequency antenna assembly includes prevention at radio-frequency port, radio frequency matching network and paster antenna；The paster antenna has radio-frequency feed point and hangs
Null point；The prevention at radio-frequency port is electrically connected by the radio frequency matching network with the radio-frequency feed point of the paster antenna；It is described to penetrate
Frequency antenna assembly also includes the Antenna extender line electrically connected with the hanging point.By being arranged on the Antenna extender line, not
In the case of affecting the volume of whole radio frequency antenna apparatus, the length of the paster antenna can be increased, reduce the radio frequency day
The operating frequency of line apparatus is close to target frequency, so as to improve signal transmission capabilities；Radiation volume can also be improved, is improved
Antenna efficiency.
Description of the drawings
Fig. 1 is a kind of structural representation of radio frequency antenna apparatus that this utility model embodiment is provided；
Fig. 2 is the structure chart of the first embodiment of the Antenna extender line 4 in Fig. 1；
Fig. 3 is the structure chart of second embodiment of the Antenna extender line 4 in Fig. 1；
Fig. 4 is the structure chart of the third embodiment of the Antenna extender line 4 in Fig. 1；
Fig. 5 is a kind of circuit theory diagrams of embodiment of the radio frequency matching network 2 in Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1 is referred to, it is a kind of structural representation of radio frequency antenna apparatus that this utility model embodiment is provided.It is described
Radio frequency antenna apparatus include prevention at radio-frequency port 1, radio frequency matching network 2 and paster antenna 3；The paster antenna 3 has radio-frequency feed
Point and hanging point；The prevention at radio-frequency port 1 is electrically connected by the radio frequency matching network 2 with the radio-frequency feed point of the paster antenna 3
Connect；The radio frequency antenna apparatus also include the Antenna extender line 4 electrically connected with the hanging point.
The prevention at radio-frequency port 1 is used to launch the radiofrequency signal of input by radio frequency matching network 2 and paster antenna 3
Go；
The radio frequency matching network 2 be used for by rear class input impedance matching to it is consistent with prime output impedance (generally
50ohm)。
In the present embodiment, the paster antenna 3 is unipole antenna.
The effect of the Antenna extender line 4 has two：First radiation volume for being to increase paster antenna 3, improves antenna
Efficiency；Second is to reduce the operating frequency that whole radio frequency antenna apparatus have, and improves signal transmission capabilities.
Wherein, the principle for reducing the operating frequency that whole radio frequency antenna apparatus have is as follows：
According toIn the case of can obtaining only arranging paster antenna 3, the work of radio frequency antenna apparatus
Working frequency
Length1 is the length of the paster antenna 3；C is the light velocity；ε is relative dielectric constant；μ is relative permeability；
In the case of being provided with paster antenna 3 and Antenna extender line 4 at the same time, the work that the radio frequency antenna apparatus have
Working frequency
Length2 is the length of the Antenna extender line 4；
It should be noted that Length1 and Length2 are physical lengths.
It can be seen that, f2<F1, i.e., in the case where Antenna extender line 4 is further provided with, can reduce whole radio-frequency antenna dress
Had operating frequency is put, signal transmission capabilities are improved.
Fig. 2～Fig. 4 is referred to, wherein, Fig. 2 is the structure chart of the first embodiment of the Antenna extender line 4 in Fig. 1；
Fig. 3 is the structure chart of second embodiment of the Antenna extender line 4 in Fig. 1；Fig. 4 is the 3 of the Antenna extender line 4 in Fig. 1
Plant the structure chart of embodiment.
In the first embodiment, the Antenna extender line 4 is bar shaped；
In second embodiment, the Antenna extender line 4 is snakelike；
In the third embodiment, in the Antenna extender line 4 fluting is provided with.
Preferably, the length of the Antenna extender line 4F0 is described
The target frequency of radio frequency antenna apparatus.The formula that Length2 is updated to f2 can be obtained into f2=f0 in this case, i.e., when
The length of the Antenna extender line 4 isWhen, the work of the radio frequency antenna apparatus
Working frequency is consistent with the target frequency of the radio frequency antenna apparatus, and now the signal transmission capabilities of radio frequency antenna apparatus are optimum.
In one embodiment, the Antenna extender line 4 is copper cash.Additionally, the Antenna extender line 4 can also be it
His metal wire.
Further, the Antenna extender line 4 is welded on the hanging point of the paster antenna 3 and is prolonged with forming the antenna
The electrical connection of long line 4 and the hanging point.It should be noted that welding is a kind of embodiment therein, top is can also be
Pin contact, shell fragment contact etc..
Preferably, the Antenna extender line 4 is parallel to the paster antenna 3.It should be noted that the Antenna extender line
There may be certain angle between 4 and the paster antenna 3, but 0 degree of i.e. parallel mode is optimal.
Fig. 5 is referred to, it is a kind of circuit theory diagrams of embodiment of the radio frequency matching network 2 in Fig. 1.
The radio frequency matching network 2 includes the first inductance L1, the second inductance L2 and the first electric capacity C1；First electric capacity
The first end of C1 is electrically connected by the first inductance L1 with the first end of the second inductance L2；The of the first electric capacity C1
Two ends are grounded respectively with second end of the second inductance L2；The prevention at radio-frequency port 1 is electric with the first end of the first electric capacity C1
Connection；The first end of the second inductance L2 is electrically connected with the radio-frequency feed point.
Preferably, the radio frequency antenna apparatus also include radio frequency chip；The outfan of the radio frequency chip and the radio frequency
Port 1 electrically connects.
Preferably, the radio frequency antenna apparatus also include circuit board；The radio frequency chip, the prevention at radio-frequency port 1, described penetrate
Frequency matching network 2, the paster antenna 3 and the Antenna extender line 4 are welded on the circuit board.
It should be noted that this utility model is the improvement to the radio frequency antenna apparatus using paster antenna 3, Antenna extender
Impact of the line 4 to radio frequency antenna apparatus is negligible compared to for by the way of other antennas.
Compared to prior art, a kind of beneficial effect of radio frequency antenna apparatus that this utility model is provided is：It is described to penetrate
Frequency antenna assembly includes prevention at radio-frequency port, radio frequency matching network and paster antenna；The paster antenna has radio-frequency feed point and hangs
Null point；The prevention at radio-frequency port is electrically connected by the radio frequency matching network with the radio-frequency feed point of the paster antenna；It is described to penetrate
Frequency antenna assembly also includes the Antenna extender line electrically connected with the hanging point.By being arranged on the Antenna extender line, not
In the case of affecting the volume of whole radio frequency antenna apparatus, the length of the paster antenna can be increased, reduce the radio frequency day
The operating frequency of line apparatus is close to target frequency, so as to improve signal transmission capabilities；Radiation volume can also be improved, is improved
Antenna efficiency.
The above is preferred implementation of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and moisten
Decorations are also considered as protection domain of the present utility model.
Claims (10)
1. a kind of radio frequency antenna apparatus, it is characterised in that including prevention at radio-frequency port, radio frequency matching network and paster antenna；The patch
Chip antenna has radio-frequency feed point with hanging point；The prevention at radio-frequency port is by the radio frequency matching network and the paster antenna
Radio-frequency feed point is electrically connected；The radio frequency antenna apparatus also include the Antenna extender line electrically connected with the hanging point.
2. radio frequency antenna apparatus as claimed in claim 1, it is characterised in that the length of the Antenna extender lineWherein, Length1 is the length of the paster antenna；C is the light velocity；ε
For relative dielectric constant；μ is relative permeability；F0 is the target frequency of the radio frequency antenna apparatus.
3. radio frequency antenna apparatus as claimed in claim 1, it is characterised in that the Antenna extender line is copper cash.
4. radio frequency antenna apparatus as claimed in claim 3, it is characterised in that the Antenna extender wire bonding is in the paster day
With the electrical connection of the formation Antenna extender line and the hanging point on the hanging point of line.
5. radio frequency antenna apparatus as claimed in claim 4, it is characterised in that the Antenna extender line is parallel to the paster day
Line.
6. radio frequency antenna apparatus as claimed in claim 1, it is characterised in that the radio frequency matching network include the first inductance,
Second inductance and the first electric capacity；The first end of first electric capacity passes through first inductance and the first of second inductance
End electrical connection；Second end of first electric capacity is grounded respectively with the second end of second inductance；The prevention at radio-frequency port and institute
State the first end electrical connection of the first electric capacity；The first end of second inductance is electrically connected with the radio-frequency feed point.
7. radio frequency antenna apparatus as claimed in claim 1, it is characterised in that the radio frequency antenna apparatus also include radio frequency core
Piece；The outfan of the radio frequency chip is electrically connected with the prevention at radio-frequency port.
8. radio frequency antenna apparatus as claimed in claim 7, it is characterised in that the radio frequency antenna apparatus also include circuit board；
The radio frequency chip, the prevention at radio-frequency port, the radio frequency matching network, the paster antenna and the Antenna extender line are welded
It is connected on the circuit board.
9. radio frequency antenna apparatus as claimed in claim 1, it is characterised in that the Antenna extender line is bar shaped or snakelike.
10. radio frequency antenna apparatus as claimed in claim 1, it is characterised in that be provided with fluting in the Antenna extender line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140434.2U CN206163691U (en) | 2016-10-19 | 2016-10-19 | Radio frequency antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140434.2U CN206163691U (en) | 2016-10-19 | 2016-10-19 | Radio frequency antenna device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163691U true CN206163691U (en) | 2017-05-10 |
Family
ID=58654912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621140434.2U Active CN206163691U (en) | 2016-10-19 | 2016-10-19 | Radio frequency antenna device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964509A (en) * | 2021-10-08 | 2022-01-21 | 东电检测技术服务(天津)有限公司 | GNSS positioning and NB-IOT communication antenna |
-
2016
- 2016-10-19 CN CN201621140434.2U patent/CN206163691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964509A (en) * | 2021-10-08 | 2022-01-21 | 东电检测技术服务(天津)有限公司 | GNSS positioning and NB-IOT communication antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102110900B (en) | Array antenna of mobile terminal and implementation method of array antenna | |
| CN103843194B (en) | Printed circuit board antenna and terminal | |
| CN104134866B (en) | Microwave broadband decoupling network based on signal disturbing concept | |
| CN101165966B (en) | Coupling type feed antenna | |
| CN103296387B (en) | Combined antenna and apply the electronic equipment of this combined antenna | |
| CN105514594B (en) | Slot antenna and the wireless communication device with the slot antenna | |
| CN104638367B (en) | dual-band microstrip antenna | |
| CN104795630A (en) | Dual-band omnidirectional WIFI (wireless fidelity) antenna | |
| CN105027352B (en) | Antenna and terminal | |
| TWI521788B (en) | Antenna assembly and wireless communication device | |
| CN106469848A (en) | A kind of broadband paster antenna based on double resonance pattern | |
| WO2021136232A1 (en) | Antenna structure and electronic device | |
| CN106450712A (en) | Multi-rotor unmanned aerial vehicle high-gain omnidirectional conformal diversity antenna technology | |
| CN204651477U (en) | Double frequency WIFI omnidirectional antenna | |
| CN201503913U (en) | RFID dual-folded element antenna | |
| CN203800183U (en) | Triple-frequency monopole antenna applying to WLAN and WiMAX | |
| CN104300233B (en) | Ultra-wideband dual-polarized multi-input multi-output antenna | |
| CN207038711U (en) | The frequency filtering microstrip slot antenna of one kind three | |
| CN201994417U (en) | Multi-frequency antenna | |
| CN204741070U (en) | Antenna device | |
| CN106025519B (en) | Optimize isolated antennas structure | |
| CN109841954B (en) | Antenna structure and wireless communication device with same | |
| CN206163691U (en) | Radio frequency antenna device | |
| CN202737099U (en) | WLAN anti-interference antenna | |
| CN204391276U (en) | Antenna assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |