CN201018476Y - Whip antenna automatic electric tuning system - Google Patents
Whip antenna automatic electric tuning system Download PDFInfo
- Publication number
- CN201018476Y CN201018476Y CNU2006200128491U CN200620012849U CN201018476Y CN 201018476 Y CN201018476 Y CN 201018476Y CN U2006200128491 U CNU2006200128491 U CN U2006200128491U CN 200620012849 U CN200620012849 U CN 200620012849U CN 201018476 Y CN201018476 Y CN 201018476Y
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- China
- Prior art keywords
- tuning
- wave band
- program
- controlled
- automatic electric
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- Expired - Lifetime
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Abstract
A whip-shaped antenna automatic electric tuning system comprises a wave band switching circuit. Wherein, the wave band switching circuit is composed of a first program control wave band switch element, a second program control wave band switch element and a mutual induction coil. One end of the first program control wave band switch element is connected with an antenna through a resistance and the other end is connected with an input terminal of the mutual induction coil to control switching of input signals. In addition, one end of the second program control wave band switch element is connected with an output terminal of the mutual induction coil and the other end is connected with a signal output terminal to control switching of output signals. A tuning circuit is provided and composed of a program control tuning capacitance element. One end of the program control tuning capacitance is connected with a tuning voltage input terminal through a resistance and the other end is connected with the antenna through a resistance. Compared with prior arts, the utility model has the advantages of small size, light weight and manual antenna operation.
Description
Technical field
The utility model relates to the electric wave field of antenna of radioelectronics, more specifically, relates to the automatic electric tuning of a kind of whip antenna system.
Background technology
At present known whip antenna tuning system realizes that by manually stirring the position of knob change band switch the wave band of medium wave and short frequency scope switches, and changes capacitance by manual rotary knob then, the realization frequency tuning.Yet, adopt the big Heavy Weight of whip antenna system bulk of such tuning manner, operation to waste time and energy and cause misjudgment easily.
Summary of the invention
The utility model provides the automatic electric tuning of a kind of whip antenna system at the weak point that above-mentioned whip antenna system exists, and is used for manual tuning is upgraded to automatic tuning.
The automatic electric tuning of a kind of whip antenna system comprises: the wave band commutation circuit, and it comprises the first program-controlled wave band switching device (5; 14), the second program-controlled wave band switching device (5; 14) and mutual inductor (6), the wherein first program-controlled wave band switching device (5; 14) a end links to each other with antenna (1) through resistance (2), and the other end links to each other with the switching of control input signals with the input of mutual inductor (6); The second program-controlled wave band switching device (5; 14) a end links to each other with the output of mutual inductor (6), and the other end links to each other with signal output part (7) with the switching of control output signal; Tuning circuit, it comprises program-controlled tuning capacity element, and an end of wherein said program-controlled tuning capacity element links to each other with tuning voltage input (8) through resistance (2), and the other end links to each other with antenna (1) through resistance (2).
Described program-controlled wave band switching device comprises relay.
Scheme as an alternative, described program-controlled wave band switching device comprises switching diode.
Described program-controlled tuning capacity element comprises varicap.
Scheme as an alternative, described program-controlled tuning capacity element comprises mechanical variable capacitance driven by stepper motors.
The utility model compared with the prior art volume manual adjustments little, in light weight, that omitted antenna is operated.
Description of drawings
To describe in more detail the utility model by means of preferred embodiment and with reference to accompanying drawing now, wherein:
Fig. 1 is the circuit theory diagrams of the automatic electric tuning of whip antenna of the present utility model system;
Fig. 2 is the circuit diagram according to the relay wave band switching of an embodiment of the present utility model;
Fig. 3 is the circuit diagram according to the switching diode wave band switching of another embodiment of the present utility model;
Fig. 4 is the circuit diagram tuning according to the varicap of an embodiment of the present utility model;
Fig. 5 is that the stepping motor according to another embodiment of the present utility model drives the tuning circuit diagram of mechanical variable capacitor.
Embodiment
Below with reference to preferred embodiment and in conjunction with describing the automatic electric tuning of whip antenna of the present utility model system in detail.
The technical essential of the utility model technical solution problem is to substitute the mechanical variable capacitor that needs manually rotation to regulate with varicap, or is equipped with stepping motor for mechanical variable capacitor, as program-controlled tuning capacity element.Substitute the armstrong's patent band switch of manually rotation adjusting as the wave band switching device with relay or switching diode.Like this, we just can drive relay or switching diode with program control code signal, realize that wave band switches.Drive varicap or reach the change of capacitance with change voltage, realize frequency tuning with step motor drive machinery variable capacitor.And then can switch and frequency tuning with the wave band that program control coded digital signal be finished the whip antenna automatic tuning system.
In the accompanying drawing, 1 expression antenna, 2 expression resistance, 3 expression electric capacity, 4 expression variable capacitance diodes, 5 expression relays, 6 expression mutual inductors, 7 expression signal output parts, 8 expression tuning voltage inputs, 10 expression controllers, 11 expression stepping motors, the mechanical variable capacitance of 12 expressions, 13 expression inductance, 14 expression diodes.
The latter half circuit of Fig. 1 is realized the function that wave band switches, and the first half circuit is realized tuning function.For the optional frequency in 0.15-30 million frequency ranges, spacing wave is from antenna 1 input, controller 10 is selected a wave band in the mutual inductor according to institute's selected frequency, control voltage is from 8 inputs of tuning voltage input, with the minimum suitable voltage that also can suppress other signal of frequency decay of selecting one to make measured signal, and by signal output part 7 outputs.The first half circuit among Fig. 1 is changed to circuit among Fig. 5, is the tuning manner of step motor drive machinery variable capacitance; The latter half circuit among Fig. 1 is changed to circuit among Fig. 3, is switching diode wave band commutation circuit.
Claims (5)
1. the automatic electric tuning of whip antenna system comprises:
The wave band commutation circuit, it comprises the first program-controlled wave band switching device (5; 14), the second program-controlled wave band switching device (5; 14) and mutual inductor (6), the wherein first program-controlled wave band switching device (5; 14) a end links to each other with antenna (1) through resistance (2), and the other end links to each other with the switching of control input signals with the input of mutual inductor (6); The second program-controlled wave band switching device (5; 14) a end links to each other with the output of mutual inductor (6), and the other end links to each other with signal output part (7) with the switching of control output signal;
Tuning circuit, it comprises program-controlled tuning capacity element, and an end of wherein said program-controlled tuning capacity element links to each other with tuning voltage input (8) through resistance (2), and the other end links to each other with antenna (1) through resistance (2).
2. the automatic electric tuning of whip antenna according to claim 1 system, wherein said first, second program-controlled wave band switching device comprises relay.
3. the automatic electric tuning of whip antenna according to claim 1 system, wherein said first, second program-controlled wave band switching device comprises switching diode.
4. the automatic electric tuning of whip antenna according to claim 1 system, wherein said program-controlled tuning capacity element comprises varicap.
5. the automatic electric tuning of whip antenna according to claim 4 system, wherein said program-controlled tuning capacity element comprises mechanical variable capacitance driven by stepper motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200128491U CN201018476Y (en) | 2006-04-14 | 2006-04-14 | Whip antenna automatic electric tuning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200128491U CN201018476Y (en) | 2006-04-14 | 2006-04-14 | Whip antenna automatic electric tuning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201018476Y true CN201018476Y (en) | 2008-02-06 |
Family
ID=39058976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200128491U Expired - Lifetime CN201018476Y (en) | 2006-04-14 | 2006-04-14 | Whip antenna automatic electric tuning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201018476Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945646A (en) * | 2012-11-09 | 2013-02-27 | 许巧智 | Guiding system with translation function based on radio and guiding method |
| CN101807933B (en) * | 2010-02-01 | 2013-08-21 | 淮南矿业(集团)有限责任公司 | Frequency-selecting tuning circuit of single-chip microcomputer controlled 64-bit step scanning machine |
| CN106849986A (en) * | 2016-12-15 | 2017-06-13 | 熊猫电子集团有限公司 | A kind of shortwave antenna tuning coupler based on PIN electronic switches |
-
2006
- 2006-04-14 CN CNU2006200128491U patent/CN201018476Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807933B (en) * | 2010-02-01 | 2013-08-21 | 淮南矿业(集团)有限责任公司 | Frequency-selecting tuning circuit of single-chip microcomputer controlled 64-bit step scanning machine |
| CN102945646A (en) * | 2012-11-09 | 2013-02-27 | 许巧智 | Guiding system with translation function based on radio and guiding method |
| CN102945646B (en) * | 2012-11-09 | 2015-11-04 | 许巧智 | Based on wireless guide system and the method with interpretative function |
| CN106849986A (en) * | 2016-12-15 | 2017-06-13 | 熊猫电子集团有限公司 | A kind of shortwave antenna tuning coupler based on PIN electronic switches |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080206 |
|
| EXPY | Termination of patent right or utility model | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing Kehuan Century EMC Technology Co., Ltd. Document name: Notification of Expiration of Patent Right Duration |