CN103716002A - Apparatus for realizing wireless transmission tuning antenna matching - Google Patents
Apparatus for realizing wireless transmission tuning antenna matching Download PDFInfo
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- CN103716002A CN103716002A CN201310713120.1A CN201310713120A CN103716002A CN 103716002 A CN103716002 A CN 103716002A CN 201310713120 A CN201310713120 A CN 201310713120A CN 103716002 A CN103716002 A CN 103716002A
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- toggle switch
- resonant capacitance
- capacitance
- wireless transmission
- fine setting
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Abstract
The invention relates to an apparatus for realizing wireless transmission tuning antenna matching and belongs to the technical field of antenna impedance matching. The apparatus designed in the invention is capable of providing capacitance needed in impedance matching debugging in complex, narrow and small usage environment for the wireless transmission tuning antenna; the provided capacitance has characteristics of actual capacitors and is capable of covering the needed capacitance range, is capable of replacing capacitance rapidly on site, and is capable of improving impedance matching efficiency of the wireless transmission tuning antenna; and the apparatus has the characteristics of being miniature, portable and passive.
Description
Technical field
The present invention relates to Antenna Impedance Matching technical field, be specifically related to a kind of device of realizing wireless transmission tuned antenna coupling.
Background technology
The antenna of Wireless Data Transmission is divided into transmitting antenna and reception antenna.Transmitting antenna and reception antenna are based on electromagnetic field couples, that impedance matching is good could transmit data.But in actual design with in making, be difficult to the impedance operator of control antenna, cause the impedance mismatch of transmitting antenna and reception antenna.Need thus before use, in practical set environment, carry out the impedance matching work of transmitting antenna and reception antenna.Common way is in circuit, to seal in variable capacitance.But variable capacitance adjustable extent is little, and connection reliability is inadequate, and step-length is large, is difficult to realize needed electric capacity.If adopt instrumentation to substitute variable capacitance, bring instrument volume large, cannot debug the difficult defect of on-the-spot use nearby.
Summary of the invention
(1) technical problem that will solve
In order to solve the required electric capacity output problem of erecting yard debugging transmitting antenna and reception antenna impedance matching, the invention provides a kind of can output capacitance, and its precision and value can meet the device of the tuned antenna coupling of conventional transmitting antenna and reception antenna impedance matching requirement.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of device of realizing wireless transmission tuned antenna coupling, described device comprises coarse adjustment toggle switch 3, base plate 4, fine setting toggle switch 5, the first resonant capacitance 6 and the second resonant capacitance 7; Wherein, described coarse adjustment toggle switch 3, fine setting toggle switch 5, the first resonant capacitance 6 and the second resonant capacitance 7 are arranged on base plate 4; Each pin of described coarse adjustment toggle switch 3 is connected with one end of the first resonant capacitance 6 respectively; Each pin of fine setting toggle switch 5 is connected with one end of the second resonant capacitance 7 respectively; The other end of described the first resonant capacitance 6 is connected with the other end of the second resonant capacitance 7; Described coarse adjustment toggle switch 3 and fine setting toggle switch 5 are the rotary switches that adopt high-frequency ceramic substrate to make; The first resonant capacitance 6 and the second resonant capacitance 7 are mica capacitor, and the capacitance of the first resonant capacitance 6 is greater than the electric capacity of the second resonant capacitance 7.
Preferably, described base plate 4 is two-sided fabric swatch.
Preferably, described device also comprises 1 and two diode 2 of two lead-in wires, and one of them diode 2 is between lead-in wire 1 wherein and coarse adjustment toggle switch 3, and three is serial layout; Another diode 2 is between another root lead-in wire 1 and fine setting toggle switch 5, and three is also serial and arranges.
Preferably, each pin place of described coarse adjustment toggle switch 3 and fine setting toggle switch 5 is all coated with transparent insulation silica gel.
(3) beneficial effect
The designed device of the present invention can provide needed electric capacity for the impedance matching debugging of wireless transmission tuned antenna in complexity, narrow and small environment for use, and the electric capacity providing has the characteristic of actual capacitance, can cover required capacitance scope, can realize on-the-spot quick-replaceable capacitance, can improve the impedance matching efficiency of wireless transmission tuned antenna, and there is small-sized, portable and passive feature.
Accompanying drawing explanation
Fig. 1 is apparatus structure schematic diagram of the present invention;
Fig. 2 is the annexation figure of tunable capacitor device in device of the present invention.
Embodiment
For making object of the present invention, content and advantage clearer, below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
The invention provides a kind of device of realizing wireless transmission tuned antenna coupling, described device comprises coarse adjustment toggle switch 3, base plate 4, fine setting toggle switch 5, the first resonant capacitance 6 and the second resonant capacitance 7; Wherein, described coarse adjustment toggle switch 3, fine setting toggle switch 5, the first resonant capacitance 6 and the second resonant capacitance 7 are arranged on base plate 4; Each pin of described coarse adjustment toggle switch 3 is connected with one end of the first resonant capacitance 6 respectively; Each pin of fine setting toggle switch 5 is connected with one end of the second resonant capacitance 7 respectively; The other end of described the first resonant capacitance 6 is connected with the other end of the second resonant capacitance 7; The pin of the putting position of the first resonant capacitance 6 and the second resonant capacitance 7 and coarse adjustment toggle switch 3, fine setting toggle switch 5 is as far as possible close, shortens to greatest extent the electrical equipment path-length between the two.
Described coarse adjustment toggle switch 3 and fine setting toggle switch 5 are the rotary switches that adopt high-frequency ceramic substrate to make; The first resonant capacitance 6 and the second resonant capacitance 7 are mica capacitor, and the capacitance of the first resonant capacitance 6 is greater than the electric capacity of the second resonant capacitance 7.
In the present embodiment, described base plate 4 is two-sided fabric swatch, and size is less, can arbitrarily be placed near debugging part.
In the present embodiment, described device also comprises that 1 and two diode 2(diode of two lead-in wires also can save), one of them diode 2 is between lead-in wire 1 wherein and coarse adjustment toggle switch 3, and three is serial layout; Another diode 2 is between another root lead-in wire 1 and fine setting toggle switch 5, and three is also serial and arranges.
In the present embodiment, for avoiding in use short circuit of device, each pin place of described coarse adjustment toggle switch 3 and fine setting toggle switch 5 is all coated with transparent insulation silica gel, plays the effect of intensifier reliability.
As shown in Figure 2, the small-sized tunable capacitor device that the first resonant capacitance 6, the second resonant capacitance 7, coarse adjustment toggle switch 3, fine setting toggle switch 5 form, output capacitance is adjustable, and output capacitance can cover the impedance requirement of general antenna.The a of two lead-in wires 1, b two ends form resistance.The relation being connected between the pin that only shows toggle switch in Fig. 2 and electric capacity, other pin is in fact also all connected with electric capacity, but has omitted in figure.
Device of the present invention can be realized the debugging of erecting yard Antenna Impedance Matching, cooperation by coarse adjustment, fine setting toggle switch is rotated, and realizes the output of different capacitances, has solved instrument volume large, tuned antenna cannot field adjustable problem, and there is small-sized, portable and passive feature.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.
Claims (4)
1. a device of realizing wireless transmission tuned antenna coupling, is characterized in that, described device comprises coarse adjustment toggle switch (3), base plate (4), fine setting toggle switch (5), the first resonant capacitance (6) and the second resonant capacitance (7); Wherein, described coarse adjustment toggle switch (3), fine setting toggle switch (5), the first resonant capacitance (6) and the second resonant capacitance (7) are arranged on base plate (4); Each pin of described coarse adjustment toggle switch (3) is connected with one end of the first resonant capacitance (6) respectively; Each pin of fine setting toggle switch (5) is connected with one end of the second resonant capacitance (7) respectively; The other end of described the first resonant capacitance (6) is connected with the other end of the second resonant capacitance (7); Described coarse adjustment toggle switch (3) and fine setting toggle switch (5) are the rotary switches that adopts high-frequency ceramic substrate to make; The first resonant capacitance (6) and the second resonant capacitance (7) are mica capacitor, and the capacitance of the first resonant capacitance (6) is greater than the electric capacity of the second resonant capacitance (7).
2. the device of realizing wireless transmission tuned antenna coupling as claimed in claim 1, is characterized in that, described base plate (4) is two-sided fabric swatch.
3. the device of realizing wireless transmission tuned antenna coupling as claimed in claim 1, it is characterized in that, described device also comprises two (1) and two diodes (2), one of them diode (2) is positioned at wherein between a lead-in wire (1) and coarse adjustment toggle switch (3), and three is serial and arranges; Another diode (2) is positioned between another root lead-in wire (1) and fine setting toggle switch (5), and three is also serial and arranges.
4. the device of realizing wireless transmission tuned antenna coupling as described in claim 1 or 2 or 3, is characterized in that, each pin place of described coarse adjustment toggle switch (3) and fine setting toggle switch (5) is all coated with transparent insulation silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310713120.1A CN103716002A (en) | 2013-12-20 | 2013-12-20 | Apparatus for realizing wireless transmission tuning antenna matching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310713120.1A CN103716002A (en) | 2013-12-20 | 2013-12-20 | Apparatus for realizing wireless transmission tuning antenna matching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103716002A true CN103716002A (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310713120.1A Pending CN103716002A (en) | 2013-12-20 | 2013-12-20 | Apparatus for realizing wireless transmission tuning antenna matching |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071054A (en) * | 2015-07-22 | 2015-11-18 | 深圳中安安防科技有限公司 | Capacitor matching circuit of resonance antenna and anti-theft system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2007216685A1 (en) * | 2007-09-06 | 2009-03-26 | Silicon Craft Technology Co., Ltd | System and method for tuning RFID resonant frequency |
| CN101971505A (en) * | 2008-03-14 | 2011-02-09 | 高通股份有限公司 | Adaptive tunable antennas for wireless devices |
| US20120268074A1 (en) * | 2010-12-21 | 2012-10-25 | Fastcap Systems Corporation | Power system for high temperature applications with rechargeable energy storage |
| CN103050791A (en) * | 2011-10-15 | 2013-04-17 | 成都锐奕信息技术有限公司 | Circuit with multi-antenna compatibility |
| CN103095327A (en) * | 2011-10-31 | 2013-05-08 | 成都高新区尼玛电子产品外观设计工作室 | Radio frequency antenna matching design circuit |
| CN103337717A (en) * | 2013-06-25 | 2013-10-02 | 华为技术有限公司 | Antenna impedance matching device, semi-conductor chip and antenna impedance matching method |
-
2013
- 2013-12-20 CN CN201310713120.1A patent/CN103716002A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2007216685A1 (en) * | 2007-09-06 | 2009-03-26 | Silicon Craft Technology Co., Ltd | System and method for tuning RFID resonant frequency |
| CN101971505A (en) * | 2008-03-14 | 2011-02-09 | 高通股份有限公司 | Adaptive tunable antennas for wireless devices |
| US20120268074A1 (en) * | 2010-12-21 | 2012-10-25 | Fastcap Systems Corporation | Power system for high temperature applications with rechargeable energy storage |
| CN103050791A (en) * | 2011-10-15 | 2013-04-17 | 成都锐奕信息技术有限公司 | Circuit with multi-antenna compatibility |
| CN103095327A (en) * | 2011-10-31 | 2013-05-08 | 成都高新区尼玛电子产品外观设计工作室 | Radio frequency antenna matching design circuit |
| CN103337717A (en) * | 2013-06-25 | 2013-10-02 | 华为技术有限公司 | Antenna impedance matching device, semi-conductor chip and antenna impedance matching method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071054A (en) * | 2015-07-22 | 2015-11-18 | 深圳中安安防科技有限公司 | Capacitor matching circuit of resonance antenna and anti-theft system |
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Application publication date: 20140409 |