CN206878181U - The adjustable antenna of multimode multi-frequency dynamic - Google Patents
The adjustable antenna of multimode multi-frequency dynamic Download PDFInfo
- Publication number
- CN206878181U CN206878181U CN201720693434.3U CN201720693434U CN206878181U CN 206878181 U CN206878181 U CN 206878181U CN 201720693434 U CN201720693434 U CN 201720693434U CN 206878181 U CN206878181 U CN 206878181U
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- antenna
- switch
- feed pin
- frequency
- pifa antennas
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Abstract
The utility model discloses the adjustable antenna of multimode multi-frequency dynamic, including：Switch switch with being arranged on the antenna that is connected on PIFA antennas with the ground feed pin of PIFA antennas；The PIFA antennas are connected by signal feed pin with radio-frequency front-end antenna, switch switch connection multiple ground feed pin passage the antenna, and the wherein ground feed pin of various regions feed pin passage and connection PIFA antennas is different with the distance of the signal feed pin of radio-frequency front-end antenna.Antenna performance lifting of the present utility model is big, can meet the different market demands, match circuit can accurately control different frequency ranges, make the performance of each frequency range can be lifted simultaneously；Product development cycle shortens, and difficulty reduces, and improves the efficiency of product iteration.
Description
Technical field
It the utility model is related to a kind of antenna, and in particular to the adjustable antenna of multimode multi-frequency dynamic.
Background technology
The electronic equipments such as people use at this stage mobile phone, flat board have different operators, and by countries and regions
The limitation that frequency range uses, for the structure of antenna product by very big constraint, some antennas can support domestic, Europe, north simultaneously
The use frequency range of the electronic equipments such as America, South America 4GLTE mobile phone and tablet personal computer, another portable antenna can prop up
Hold network card data card or mifi of global 4GLTE roamings etc..
For whether fixed antenna equipment or portable antenna equipment mentioned above, problems be present：
1st, all it is to realize debugging antenna with a set of matching for the more equipment of frequency range, because present frequency range is a lot,
The debugging of all frequency ranges only is realized with a match circuit, attends to one thing and lose sight of another unavoidably, does not reach the effect of optimization；
2nd, it is single for the antenna performance optimal way of specific frequency range, and need to take into account back and forth, the time of optimization it is longer and
Effect is not reached；A set of antenna can not be met according to frequency range demand dynamic control effect.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided multimode multi-frequency
Dynamically adjustable antenna.Make an antenna on a product by the resonant frequency of dynamic adjustment antenna while meet a variety of frequencies
The demand of section.
Technical scheme is used by the utility model：
The adjustable antenna of multimode multi-frequency dynamic, it is characterised in that：Including：It is arranged on the ground with PIFA antennas on PIFA antennas
Switch switch the antenna of feed pin connection；The PIFA antennas are connected by signal feed pin with radio-frequency front-end antenna, the antenna
Ground switching switch connection multiple ground feed pin passage, wherein the ground feed pin of various regions feed pin passage is with being connected PIFA antennas and radio-frequency front-end
The distance of the signal feed pin of antenna is different.
Further, switch switch match circuit is connected with ground feed pin passage by antenna the antenna.
Further, switch switch the antenna and use GPIO port.
Further, the antenna match circuit be resistance form impedance matching circuit.
Further, the radio-frequency front-end antenna switches switch with being also connected with main match in the signal feed of PIFA antennas；
The main matching switching switch is connected with main match circuit.
Further, the main matching switching switch uses GPIO port.
Further, the main match circuit is the impedance matching circuit that resistance is formed.
The beneficial effects of the utility model are：
The antenna performance lifting of product is big, can meet the different market demands, match circuit can accurately control difference
Frequency range, make the performance of each frequency range can be lifted simultaneously；Product development cycle shortens, and difficulty reduces, and improves product iteration
Efficiency, if the market demand not accounted for early stage, the later stage needs iteration, and situation similar in frequency range, can not have to adjust
All day, line, directly simple change match circuit, can effectively lift development efficiency；Suitable for constant in structure and outward appearance
In the case of, go meet the needs of global different frequency range.
Brief description of the drawings
Fig. 1 is specific embodiment structural representation provided by the utility model；
Fig. 2 is circuit structure diagram corresponding to Fig. 1；
Fig. 3 is another specific embodiment structural representation provided by the utility model；
Fig. 4 is circuit structure diagram corresponding to Fig. 3.
Embodiment
Below in conjunction with the accompanying drawings and embodiment describes the utility model embodiment：
Referring to Fig. 1 and Fig. 2, wherein Fig. 1 is specific embodiment structural representation provided by the utility model；Fig. 2 is Fig. 1
Corresponding circuit structure diagram.
As depicted in figs. 1 and 2, the adjustable antenna of a kind of multimode multi-frequency dynamic, it is characterised in that：Including：It is arranged on PIFA
Switch switch the antenna being connected on antenna with the ground feed pin of PIFA antennas；Before the PIFA antennas are by signal feed pin and radio frequency
Antenna connection is held, switches switch connection multiple ground feed pin passage, wherein the ground feed pin of various regions feed pin passage and company the antenna
It is different from the distance of the signal feed pin of radio-frequency front-end antenna to connect PIFA antennas.
In the utility model embodiment, when antenna adjustment environment is relatively good, i.e., antenna has enough height, area, and
When there is no metal around switching, switch switch with connecting antenna in the ground feed pin of PIFA antennas, switch the output of switch antenna
End connects different ground feed pin passages respectively, reaches connection PIFA when setting for the ground feed pin on different ground feed pin passages
Antenna is different from the distance of the signal feed pin of radio-frequency front-end antenna, and differently feed pin generation different from the distance of signal feed pin
Table is that coupled capacitor between signal feed pin is different, according to formula (1)
Understand, in the case where the constant i.e. L of antenna is constant, different capacitances can produce different resonant frequencies, pass through
Matching network corresponding to this resonant frequency and signal feed pin corresponds to different frequency ranges；Switch switch to differently by antenna
The connection of feed pin is selected, and reaches the purpose of different frequency range switching.
In the utility model embodiment, switch switch match circuit is connected with ground feed pin passage by antenna antenna.
Switch antenna is set between switch and ground feed pin passage match circuit in antenna, for carrying out coordination control to frequency range, make
Obtain frequency range corresponding to the ground feed pin and can be at optimal design, specific antenna match circuit use the impedance matching that resistance is formed
Circuit, by entering optimum choice to resistance value, the frequency range of reception is optimized.
It is connected in the relatively good switch U1 that constantly switches of antenna adjustment environment with PIFA antennas by antenna, simplifies design,
So for the compact pcb board of space layout, the space of pcb board can be saved, and can equally reach special for some
Fixed frequency range carries out the purpose of matching optimization, so optimally feed pin from signal feed pin different distance, to reach optimization resonance
The purpose of frequency.
Referring to Fig. 3 and Fig. 4, wherein Fig. 3 is another specific embodiment structural representation provided by the utility model；Fig. 4 is
Circuit structure diagram corresponding to Fig. 3.
When under conventional environment, such as the height of antenna or area are restricted, or when having metal around switching, can
To connect main matching switching switch in signal feed, i.e., radio-frequency front-end antenna in the signal feed of PIFA antennas with being also connected with leading
Matching switching switch；The main matching switching switch is connected with main match circuit.Switch main the matching switching switch and antenna
Switch coordinates control, coordinates the optimized design that control reaches each frequency range respective antenna to different frequency ranges.
Main matching switching switch reaches control to different frequency range, main matching switching by connecting different main match circuits
Switch switches switch with antenna and frequency range is adjusted jointly control, improves the intensity of antenna band signal transmission, Ke Yiyou
Effect reduces or avoided the interference of external environment condition.
Switch switch antenna and main matching switching switch uses GPIO port, each GPIO port can be carried out by configuring
Output.Main match circuit is the impedance matching circuit that resistance is formed.
The utility model configures different frequency ranges come corresponding different match circuit by setting switching switch；Pass through day
Switch switch to configure the impedance matching circuit of the different position of the ground feed pin of antenna and ground feed pin line, it is different to reach
Frequency range switches the match circuit of different ground feed pins and ground feed pin；
The switching switch of ground feed pin and main matching switching switch are coordinated to control collective effect for different frequency ranges, reach
The design of the optimization of each frequency range respective antenna.By taking four frequency ranges as an example, referring to Fig. 4, switch switch U1 as ground antenna
The passage switching of feed pin, is controlled, a total of four kinds of different passages, wherein each passage by GPIO three logics
Ground feed pin is all different from the distance of signal feed pin, and the coupled capacitor between signal pins of the different representatives of distance is different, different
Capacitance can produce different resonant frequencies, by matching network corresponding to this resonant frequency and feed pin come corresponding different frequency
Section；Main matching switching switch U2 switchs as the switching of main matching, equally corresponding four passages, and is controlled not by GPIO
With path, by the match circuit for corresponding to which path inside the code that switches in frequency range come those corresponding frequency ranges.
Multimode multi-frequency dynamic adjustable antenna performance boost provided by the utility model is big, can meet different market need
Ask, match circuit can accurately control different frequency ranges, make the performance of each frequency range can be lifted simultaneously；Product development cycle becomes
Short, difficulty reduces, and improves the efficiency of product iteration, and if the market demand not accounted for early stage, the later stage needs iteration, and
Situation similar in frequency range, adjustment antenna can not had to, directly simple change match circuit, can effectively lift exploitation effect
Rate；Suitable in the case where structure and outward appearance are constant, going meet the needs of global different frequency range.
It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity
For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
The utility model preferred embodiment is explained in detail above in conjunction with accompanying drawing, but the utility model is not limited to
Above-mentioned embodiment, in those of ordinary skill in the art's possessed knowledge, the utility model can also not departed from
Made a variety of changes on the premise of objective.Many other changes can be made and change by not departing from spirit and scope of the present utility model
Type.The utility model is not limited to specific embodiment, and the scope of the utility model is defined by the following claims.
Claims (7)
1. the adjustable antenna of multimode multi-frequency dynamic, it is characterised in that：Including：The ground on PIFA antennas with PIFA antennas is arranged on to present
Switch switch the antenna of pin connection；The PIFA antennas are connected by signal feed pin with radio-frequency front-end antenna, the antenna
Switching switch connection multiple ground feed pin passage, wherein the ground feed pin of various regions feed pin passage is with being connected PIFA antennas and radio-frequency front-end day
The distance of the signal feed pin of line is different.
2. the adjustable antenna of multimode multi-frequency dynamic according to claim 1, it is characterised in that：Switch switch the antenna
Match circuit is connected with ground feed pin passage by antenna.
3. the adjustable antenna of multimode multi-frequency dynamic according to claim 1, it is characterised in that：Switch switch the antenna
Using GPIO port.
4. the adjustable antenna of multimode multi-frequency dynamic according to claim 1, it is characterised in that：Antenna ground match circuit
The impedance matching circuit formed for resistance.
5. the adjustable antenna of multimode multi-frequency dynamic according to claim 1, it is characterised in that：The radio-frequency front-end antenna with
Main matching switching switch is also connected with the signal feed of PIFA antennas；The main matching switching switch is connected with main match circuit.
6. the adjustable antenna of multimode multi-frequency dynamic according to claim 5, it is characterised in that：The main matching switching switch
Using GPIO port.
7. the adjustable antenna of multimode multi-frequency dynamic according to claim 5, it is characterised in that：The main match circuit is electricity
Hinder the impedance matching circuit formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720693434.3U CN206878181U (en) | 2017-06-14 | 2017-06-14 | The adjustable antenna of multimode multi-frequency dynamic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720693434.3U CN206878181U (en) | 2017-06-14 | 2017-06-14 | The adjustable antenna of multimode multi-frequency dynamic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878181U true CN206878181U (en) | 2018-01-12 |
Family
ID=61332802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720693434.3U Expired - Fee Related CN206878181U (en) | 2017-06-14 | 2017-06-14 | The adjustable antenna of multimode multi-frequency dynamic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206878181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029732A (en) * | 2019-12-31 | 2020-04-17 | 上海摩勤智能技术有限公司 | Antenna device and handheld communication equipment |
| CN112701470A (en) * | 2020-09-25 | 2021-04-23 | 深圳市思讯通信技术有限公司 | Intelligent self-adaptive radio frequency model suitable for wearable equipment |
-
2017
- 2017-06-14 CN CN201720693434.3U patent/CN206878181U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029732A (en) * | 2019-12-31 | 2020-04-17 | 上海摩勤智能技术有限公司 | Antenna device and handheld communication equipment |
| CN112701470A (en) * | 2020-09-25 | 2021-04-23 | 深圳市思讯通信技术有限公司 | Intelligent self-adaptive radio frequency model suitable for wearable equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181016 Address after: 518000 Building 12, Block B, North District, Beijing-based Binhe Times Square, 9289 Binhe Avenue, Shatou Street, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen PCTX Technology Development Co., Ltd. Address before: 518057 Korabensi, 25 west east building, 5 West Road, Nanshan District, Shenzhen, Guangdong. Patentee before: Shenzhen Huayu Wireless Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20190614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |