CN203761376U - Invisible antenna full-frequency-range portable frequency interferometer - Google Patents
Invisible antenna full-frequency-range portable frequency interferometer Download PDFInfo
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- CN203761376U CN203761376U CN201420081402.4U CN201420081402U CN203761376U CN 203761376 U CN203761376 U CN 203761376U CN 201420081402 U CN201420081402 U CN 201420081402U CN 203761376 U CN203761376 U CN 203761376U
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- frequency
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Abstract
The utility model relates to an invisible antenna full-frequency-range portable frequency interferometer and belongs to the technical field of electronic instruments. The interferometer comprises a closed box body, emission antennas having multiple frequency ranges, power amplifiers having corresponding frequency ranges, signal sources and a power supply power source, wherein the closed box body is provided with an operation panel, the emission antennas are arranged on the box body, input ends of the emission antennas having multiple frequency ranges are connected with output ends of the power amplifiers having corresponding frequency ranges, an input end of the power amplifier of each frequency range is connected with an output end of the signal source of a corresponding frequency range, and electricity is supplied to all the power amplifiers and all the signal sources by a power supply system. The interferometer is characterized by antennas that are all arranged inside, rainproof performance, full frequency ranges, quick starting performance, and portability. Full protection of on-site explosive-removal and relevant personnel safety is realized.
Description
Technical field
The utility model belongs to electronic instrument technology field, be particularly related to a kind of for carrying out the frequency interferometer of guard and eliminating explosive task, full frequency band electromagnetic interference is carried out in fleet, building and suspicious explosive region, make the structural design of the portable frequency interferometer that all wireless remote controllers cannot work.
Background technology
At present, portable frequency interferometer on market all adopts the outside mounting means of antenna, and number of antennas is conventionally more, in urgent explosive situation, explosive personnel scene fixes up an aerial wire and can expend a large amount of quality time, and the easy wrong of antenna or contact not firm, cause equipment damage or interference effect bad.And because antenna is external, the radio-frequency joint between power amplifier and antenna is exposed to outside, causes existing portable frequency interferometer cannot accomplish rainproof design, cannot use in the rainy day.
Frequency interferometer in the market all adopts Sweep Source (utilizing VCO or DDS) mode, and it is realized simply, technical difficulty is low.As everyone knows, the interference signal that Sweep Source produces at a time only has a frequency, and it forms the electromagnetic shielding net with a lot of gaps (similar mesh) in time domain and frequency domain, therefore probably can miss the wireless remote control signals of narrow code length.Time-the frequency spectrum (Sweep Source is in the distribution of time domain and frequency domain) of Sweep Source as shown in Figure 1, the interference signal that wherein thick line is frequency sweep.As can be seen from the figure,, for remote control coding signal #1, obviously do not have to disturb; And for remote control coding signal #2, several numerals above of code signal are only disturbed, and for the system that adopts orthogonal coding+coupling to receive (disturbing inhibition) (for example, existing mobile communication system), still may correctly obtain remote information at receiving terminal, can not effectively be disturbed equally for remote control coding signal #2.And frequency interferometer is in the market just for example, for specific frequency (just mobile communication) interference, instead of full frequency band 20MHz-2700MHz seamless coverage, cannot disturb the wireless remote control signals of optional frequency.
Utility model content
The purpose of this utility model be grow inconvenient operation, the start-up time in order to overcome existing portable frequency interferometer, cannot round-the-clockly use, shortcoming that frequency range is incomplete; provide a kind of invisible antenna full frequency band portable frequency interferometer; the antenna of this interferometer all built-in (being called recessive antenna), can be rainproof, full frequency band, start fast, portable feature, the on-the-spot explosive and related personnel's that adequately protects safety.
The portable frequency interferometer of a kind of invisible antenna full frequency band of the utility model design, it is characterized in that, this interferometer comprises a closed box with guidance panel, be arranged on the multiple band transmit antennas in this casing, and the power amplifier of corresponding band, signal source, and power supply; Wherein, the input of multiple band transmit antennas is connected with the output of the power amplifier of corresponding band, and the input of the power amplifier of each frequency range is connected with the output of the signal source of corresponding band; Electric power system is to all power amplifiers and signal source power supply.
Described transmitting antenna comprises small-sized whip antenna, discone antenna, helical antenna omnidirectional or directional antenna and corresponding feeder.
Described power amplifier adopts FLL series 20w-50w segmented power device, and total transmitting power is greater than 220W, and electrical source consumption power is less than 1000 watts.
Described signal source adopts noise diode to amplify the signal source forming with the instantaneous broadband generation technology of frequency sweep.
Signal source, power amplifier and the antenna of described each frequency range, the arbitrary frequency resource in seamless coverage 20MHz-2700MHz frequency range.
Described electric power system is made up of built-in lithium battery and Switching Power Supply.
Described casing is wave transparent closed box, and the guidance panel of this casing is provided with waterproof button, water proof type indicator light, water proof type gauge outfit, water proof type charging aviation socket; Be positioned at cabinet base and have heat dissipation ventilation hole.
The feature of the technical solution of the utility model is:
1) all antenna (full frequency band) has all adopted Miniaturization Design; All antennas, power amplifier, signal source, high-capacity lithium battery are all built in the airtight casing of a high strength, electromagnetic wave lossless material (calling recessive antenna), casing guidance panel part has only retained waterproof button, water proof type indicator light, water proof type gauge outfit, water proof type charging aviation socket; Heat dissipation ventilation hole is positioned at cabinet base.
2) adopt sectional power amplifier, signal source and antenna, arbitrary frequency resource in seamless coverage 20MHz-2700MHz frequency range, comprise all markets such as toy remote control, FM broadcast receiver, beeper, automobile remote-control, intercom, GSM mobile handset, CDMA mobile phone, 3G mobile, 4G cell phone, Personal Handyphone System and bluetooth common or oneself design frequency range wireless remote control device.
3) power amplifier adopts efficient radio frequency pipe, and transmitting power is greater than 220W, and electrical source consumption power is less than 1000 watts.
4) signal source adopts instantaneous ultra broadband generation technology+frequency scanning mode, can form seamless electromagnetic shielding wall in time domain and frequency domain simultaneously, shields any analog-and digital-wireless remote controller.
The beneficial effects of the utility model are:
The antenna of this interferometer all built-in (being called recessive antenna), having can rainproof, portable feature;
This interferometer need not on-the-spot patch antennas, and only need press switch can start instrument, thereby greatly shortens the instrumentation time, particularly in case of emergency, and the on-the-spot explosive and related personnel's that adequately protects safety.
This portable frequency interferometer can full frequency band disturbs all communication frequency bands and all possible remote control frequency range, round-the-clock use.
Brief description of the drawings
Fig. 1 is that the Sweep Source of existing frequency interferometer is at the distribution schematic diagram of time domain and frequency domain
Fig. 2 is the portable frequency interferometer composition frame chart of invisible antenna of the present utility model.
Fig. 3 is the embodiment schematic diagram that closed box body guidance panel of the present utility model arranges.
Fig. 4 is the distribution schematic diagram of the instantaneous ultra broadband of the utility model source at time domain and frequency domain.
Embodiment
The portable frequency interferometer of a kind of invisible antenna full frequency band of the utility model design by reference to the accompanying drawings and embodiment be described as follows:
The utility model specifically forms, and this interferometer comprises an airtight casing with guidance panel, is arranged on the multiple transmitting antennas in this casing, power amplifier, signal source and power supply; Wherein, the input of multiple transmitting antennas is connected with the output of power amplifier, and the input of power amplifier is connected with the output of signal source, and power supply is to power amplifier and signal source power supply, as shown in Figure 2.
Embodiment of the present utility model and function are described in detail as follows respectively:
1) cabinet-employing high-strength structure, electromagnetic wave is lossless, and engineering plastic materials is made, for the function element of frequency interferometer install, mobile and control platform.The casing overall dimensions of the present embodiment is (reference dimension: 580mm*360mm*830mm), and the guidance panel of casing is provided with conventional waterproof button 1, water proof type indicator light 2, water proof type gauge outfit 3, water proof type charging aviation socket 4; Be positioned at cabinet base and have heat dissipation ventilation hole (not shown), as shown in Figure 3.
2) transmitting antenna-employing Miniaturisation ultra-wideband antenna combination: comprise and there is the omnidirectional such as small-sized whip antenna, discone antenna, helical antenna of high-gain, high-power routine or directional antenna and feeder accordingly, high power interference signal is radiated to designated space, arbitrary frequency resource in seamless coverage 20MHz-2700MHz frequency range, comprise all markets such as toy remote control, FM broadcast receiver, beeper, automobile remote-control, intercom, GSM mobile handset, CDMA mobile phone, 3G mobile, 4G cell phone, Personal Handyphone System and bluetooth common or oneself design frequency range wireless remote control device.
Antenna segmentation and system are as follows:
F1:20-100MHz, whip antenna (height <800mm) or directional antenna
F2:100-200MHz, whip antenna (height <800mm) or directional antenna
F3:200-400MHz, whip antenna (height <800mm) or directional antenna
F4:400-800MHz, whip antenna (height <800mm) or directional antenna
F5:800-1000MHz, discone antenna (height <800mm) or directional antenna
F6:1000-1300MHz, discone antenna (height <800mm) or directional antenna
F7:1300-1500MHz, discone antenna (height <800mm) or directional antenna
F8:1500-1800MHz, discone antenna (height <800mm) or directional antenna
F9:1800-2000MHz, discone antenna (height <800mm) or directional antenna
F10:2000-2100MHz, discone antenna (height <800mm) or directional antenna
F11:2100-2300MHz, discone antenna (height <800mm) or directional antenna
F12:2300-2700MHz, discone antenna (height <800mm) or directional antenna
3) power amplifier-employing FLL series 20w-50w segmented power device, frequency range is divided with antenna band above and is divided same radio frequency power device, and total transmitting power is greater than 220W, and electrical source consumption power is less than 1000 watts.
4) signal source-adopt the signal source of the instantaneous broadband generation technology of ripe noise diode amplification+frequency sweep, the power output 0dBm of signal source, frequency range is divided and is divided identical with antenna band above.And mate completely with power amplifier.
5) power supply-adopt built-in high power capacity (12V80AH) lithium battery power supply and AC22OV power supply, automatically switches to AC22OV power supply and battery is charged when AC22OV access.
The utility model adopts ripe advanced instantaneous ultra broadband source generation technology, can form seamless electromagnetic shielding wall in time domain and frequency domain simultaneously, shields the wireless remote controller of any code length, and the time-frequency spectrum in instantaneous ultra broadband source as shown in Figure 4.As can be seen from Figure 4, instantaneous ultra broadband source takes whole time and frequency zone (certain frequency bandwidth), effectively disturbs the wireless remote control code signal (for example remote control coding signal #1 and the #2 in figure) of any code length, any frequency bandwidth.This instantaneous ultra broadband interference source can be guaranteed to form seamless electromagnetic shielding wall in time domain and frequency domain simultaneously.
Claims (7)
1. the portable frequency interferometer of invisible antenna full frequency band, it is characterized in that, this interferometer comprises a closed box with guidance panel, is arranged on the multiple band transmit antennas in this casing, and the power amplifier of corresponding band, signal source, and power supply; Wherein, the input of multiple band transmit antennas is connected with the output of the power amplifier of corresponding band, and the input of the power amplifier of each frequency range is connected with the output of the signal source of corresponding band; Electric power system is to all power amplifiers and signal source power supply.
2. the portable frequency interferometer of invisible antenna full frequency band as claimed in claim 1, is characterized in that, described transmitting antenna comprises small-sized whip antenna, discone antenna, helical antenna omnidirectional or directional antenna and corresponding feeder.
3. the portable frequency interferometer of invisible antenna full frequency band as claimed in claim 1, is characterized in that, described power amplifier adopts FLL series 20w-50w segmented power device, and total transmitting power is greater than 220W, and electrical source consumption power is less than 1000 watts.
4. the portable frequency interferometer of invisible antenna full frequency band as claimed in claim 1, is characterized in that, described signal source adopts noise diode to amplify and the signal source of the instantaneous broadband generation technology composition of frequency sweep.
5. the portable frequency interferometer of invisible antenna full frequency band as described in claim 1,2,3 or 4, is characterized in that, signal source, power amplifier and the antenna of described each frequency range, the arbitrary frequency resource in seamless coverage 20MHz-2700MHz frequency range.
6. the portable frequency interferometer of invisible antenna full frequency band as claimed in claim 1, is characterized in that, described electric power system is made up of built-in lithium battery and Switching Power Supply.
7. the portable frequency interferometer of invisible antenna full frequency band as claimed in claim 1, it is characterized in that, described casing is wave transparent closed box, and the guidance panel of this casing is provided with waterproof button, water proof type indicator light, water proof type gauge outfit, water proof type charging aviation socket; Be positioned at cabinet base and have heat dissipation ventilation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081402.4U CN203761376U (en) | 2014-02-25 | 2014-02-25 | Invisible antenna full-frequency-range portable frequency interferometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081402.4U CN203761376U (en) | 2014-02-25 | 2014-02-25 | Invisible antenna full-frequency-range portable frequency interferometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761376U true CN203761376U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420081402.4U Expired - Fee Related CN203761376U (en) | 2014-02-25 | 2014-02-25 | Invisible antenna full-frequency-range portable frequency interferometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN203761376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117155513A (en) * | 2023-10-30 | 2023-12-01 | 南京新频点电子科技有限公司 | Sparse array communication interference device |
-
2014
- 2014-02-25 CN CN201420081402.4U patent/CN203761376U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117155513A (en) * | 2023-10-30 | 2023-12-01 | 南京新频点电子科技有限公司 | Sparse array communication interference device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201111 Address after: 3-8-3, 6 / F, building 3, 8 Chuangye Road, Haidian District, Beijing 100085 Patentee after: Beijing Jingyuan Technology Co., Ltd Address before: 100091, No. 2, building 22, No. 102, great road, Beijing, Haidian District, 2 Patentee before: Wei Lidong |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20210225 |