CN201285447Y - Broadband handhold azimuth finder - Google Patents
Broadband handhold azimuth finder Download PDFInfo
- Publication number
- CN201285447Y CN201285447Y CNU2008201859205U CN200820185920U CN201285447Y CN 201285447 Y CN201285447 Y CN 201285447Y CN U2008201859205 U CNU2008201859205 U CN U2008201859205U CN 200820185920 U CN200820185920 U CN 200820185920U CN 201285447 Y CN201285447 Y CN 201285447Y
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- Prior art keywords
- antenna
- hand
- held
- finder antenna
- broadband
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- Expired - Fee Related
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Abstract
The utility model relates to a broadband handheld direction detector which is characterized by comprising a first handheld direction detecting antenna A, a second handheld direction detecting antenna B, a third handheld direction detecting antenna C, an amplifier unit, a spectral receiver and a battery, wherein the first handheld direction detecting antenna A has working frequency from 20 to 200 MHz and is an active load coil antenna with the length of 500 mm, the width of 300 mm and the height of 90 mm, the second handheld direction detecting antenna B has working frequency from 200 to 500 MHz and is an active load coil antenna with the length of 400 mm, the width of 200 mm and the height of 50 mm, and the third handheld direction detecting antenna C has working frequency from 500 to 3000 MHz and is an active logarithm period antenna with the length of 500 mm, the width of 300 mm and the height of 20 mm. The utility model adopts an integrative miniature structure, is small, light, flexible and concealed, can be used for searching and detecting directions in a short distance and directly approaching and intercepting a target, can magnify a signal when the signal is weak and has the functions of monitoring and frequency spectrum displaying.
Description
Technical field
The utility model relates to broadband hand-held goniometer, belong to the direction finding technology field in the communication technology.
Background technology
At present, the domestic minority manufacturer production has only been arranged hand-held goniometer, but it is confined to narrowband frequency range, and antenna is bigger, disguised relatively poor; And external like product is cost an arm and a leg by the system that German R/S company is made up of EB200 receiver and HE200 antenna.Research and development be fit to China's national situation, hand-held goniometer wide band, that cost performance is high is necessary.
Summary of the invention
The purpose of this utility model is intended to overcome the existing in prior technology defective, proposes a kind of broadband hand-held goniometer based on the amplitude-comprised direction-finding principle.
Technical solution of the present utility model: its structure be the first hand-held direction-finder antenna A, the second hand-held direction-finder antenna B, the 3rd hand-held direction-finder antenna C signal output part respectively with first signal input part, the secondary signal input end of amplifier unit, the 3rd signal input part is corresponding joins, corresponding the joining of signal input part of the signal output part of amplifier unit and frequency spectrum type receiver, the power input of battery output termination frequency spectrum type receiver.
Advantage of the present utility model: adopt incorporate microstructure, small-sized, light, flexible, hidden; Can be used for closely searching for direction finding, directly approach and blip steady; Scalable during weak output signal; Have and monitor and spectrum display function.
Description of drawings
Accompanying drawing 1 is a broadband hand-held goniometer electricity theory diagram.
Accompanying drawing 2 is electric theory diagrams of amplifier unit.
Embodiment
Contrast accompanying drawing 1, its structure be the first hand-held direction-finder antenna A, the second hand-held direction-finder antenna B, the 3rd hand-held direction-finder antenna C signal output part respectively with first signal input part, the secondary signal input end of amplifier unit, the 3rd signal input part is corresponding joins, corresponding the joining of signal input part of the signal output part of amplifier unit and frequency spectrum type receiver, the power input of battery output termination frequency spectrum type receiver.
The frequency of operation of this broadband hand-held goniometer is 20～3000MHz, only is made up of small-sized direction-finder antenna combination, amplifier unit and hand-held frequency spectrum type receiver three parts.Adopt incorporate microstructure, hand-holdable, also can be hidden in the handbag, have good reception, overload-resistant, anti-full closing and directionality, the indication of sound equipment and relative field strength is arranged, frequency spectrum diagram function is arranged, built-in 12V battery.
Direction-finder antenna combination comprises that frequency of operation is that the first hand-held direction-finder antenna A, the frequency of operation of 20～200MHz is that the second hand-held direction-finder antenna B, the frequency of operation of 200～500MHz is the 3rd hand-held direction-finder antenna C of 500～3000MHz.
20～200MHz, the first hand-held direction-finder antenna A is the active loaded ring antenna of long 500mm, wide 300mm, high 90mm.
200～500MHz, the second hand-held direction-finder antenna B is the active loaded ring antenna of long 400mm, wide 200mm, high 50mm.
500～3000MHz the 3rd hand-held direction-finder antenna C, for long 500mm, wide 300mm, high 20mm, adopt pattern, the small-sized active log-periodic antenna of microstrip antenna.
Contrast accompanying drawing 2, amplifier unit referring to Fig. 2, has amplification, straight-through two kinds of functions.Be installed in respectively in the first hand-held direction-finder antenna A, the second hand-held direction-finder antenna B, the 3rd hand-held direction-finder antenna C and the frequency spectrum type receiver, amplifier unit is made up of high frequency relay, amplifying circuit and power supply, and the model of high frequency relay is that the amplifier tube model in RF303-12, the amplifier is ERA-51SM.When+the 12V power supply is controlled when being added to high frequency relay, and input signal is exported behind amplifying circuit.When high frequency relay did not power up, input signal was through the straight-through part output of high frequency relay.
Frequency spectrum type receiver is the IC-R20 frequency spectrum type receiver that Japanese ICOM company produces.Can carry out demodulation to signals such as NFM, WFM, AM, SSB.Receiver includes microprocessor, can finish autoscan, sector scanning and store 100 multiple functions such as channel; Have RS-232 interface, can link with notebook computer and printer.
Claims (3)
1, broadband hand-held goniometer, the signal output part that it is characterized in that the first hand-held direction-finder antenna A, the second hand-held direction-finder antenna B, the 3rd hand-held direction-finder antenna C respectively with first signal input part, the secondary signal input end of amplifier unit, the 3rd signal input part is corresponding joins, corresponding the joining of signal input part of the signal output part of amplifier unit and frequency spectrum type receiver, the power input of battery output termination frequency spectrum type receiver.
2, broadband hand-held goniometer according to claim 1, the frequency of operation that it is characterized in that the described first hand-held direction-finder antenna A is 20～200MHz; The frequency of operation of the second hand-held direction-finder antenna B is 200～500MHz; The frequency of operation of the 3rd hand-held direction-finder antenna C is 500～3000MHz.
3, broadband hand-held goniometer according to claim 1 is characterized in that the active loaded ring antenna of the described first hand-held direction-finder antenna A for long 500mm, wide 300mm, high 90mm; The second hand-held direction-finder antenna B is the active loaded ring antenna of long 400mm, wide 200mm, high 50mm; The 3rd hand-held direction-finder antenna C is the small-sized active log-periodic antenna of long 500mm, wide 300mm, high 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201859205U CN201285447Y (en) | 2008-09-10 | 2008-09-10 | Broadband handhold azimuth finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201859205U CN201285447Y (en) | 2008-09-10 | 2008-09-10 | Broadband handhold azimuth finder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201285447Y true CN201285447Y (en) | 2009-08-05 |
Family
ID=40950432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201859205U Expired - Fee Related CN201285447Y (en) | 2008-09-10 | 2008-09-10 | Broadband handhold azimuth finder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201285447Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024768A (en) * | 2015-08-18 | 2015-11-04 | 成都九华圆通科技发展有限公司 | Hand-held digital monitoring direction-finding system |
-
2008
- 2008-09-10 CN CNU2008201859205U patent/CN201285447Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024768A (en) * | 2015-08-18 | 2015-11-04 | 成都九华圆通科技发展有限公司 | Hand-held digital monitoring direction-finding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Developing Electronic System Co., Ltd. Assignor: Yu Weiquan Contract record no.: 2011320000167 Denomination of utility model: Broadband handhold azimuth finder Granted publication date: 20090805 License type: Exclusive License Record date: 20110307 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20130910 |