CN107632217A - A kind of device for detecting and tracking at a distance for electromagnetic interference source - Google Patents
A kind of device for detecting and tracking at a distance for electromagnetic interference source Download PDFInfo
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- CN107632217A CN107632217A CN201710782967.3A CN201710782967A CN107632217A CN 107632217 A CN107632217 A CN 107632217A CN 201710782967 A CN201710782967 A CN 201710782967A CN 107632217 A CN107632217 A CN 107632217A
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- electromagnetic interference
- interference source
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- amplifier
- tracking
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Abstract
The invention discloses a kind of device for detecting and tracking at a distance for electromagnetic interference source.Including electromagnetic interference source detection module and electromagnetic interference source tracking module.Electromagnetic interference source detection module receives the radiofrequency signal of surrounding space, after detection is amplified, carries out threshold discrimination, judges whether electromagnetic interference signal and launch the radiofrequency signal of specific frequency.Electromagnetic interference source tracking module judges the direction and position of electromagnetic interference source according to the radiofrequency signal of the specific frequency received.The invention provides a kind of design it is simple, be easily achieved and the detection of practical electromagnetic interference source and remote tracks of device, can accurately detect whether to have electromagnetic interference source and electromagnetic interference source is tracked at a distance.
Description
Technical field
The invention belongs to wireless communication technology field, and in particular to one kind is used for electromagnetic interference source detection and remote tracking
Device.
Background technology
With the fast development of mobile communication technology, our daily life be unable to do without mobile communication equipment, mobile logical
Important carrier of the equipment as us with extraneous interactive information is interrogated, carries communication exchanges, amusement and leisure even distress call etc.
Critical function, therefore, when mobile communication equipment is disturbed by extraneous strong electromagnetic source, we just almost lose and the external world
Contact, it is likely that be in danger and can not cry for help.Now it is badly in need of one kind to be shielded afterwards still in Portable mobile communication equipment
Can normal work, can detect to exist electromagnetic interference signal while outwardly launch special electromagnetic signal, and make it is extraneous can root
The system that self-position is determined according to the electromagnetic signal of transmitting, to ensure the personal safety of user.
The content of the invention
The purpose of the present invention be for mobile communication equipment by electromagnetic interference and can not normal work when, there is provided one kind can be with
Detection electromagnetic interference signal simultaneously makes the extraneous device that can track electromagnetic interference source at a distance, solves because mobile communication equipment is shielded
The problems such as can not outwardly being cried for help when covering and being in danger.
The technical scheme is that：A kind of device for detecting and tracking at a distance for electromagnetic interference source, including electromagnetism
Interference source detection module and electromagnetic interference source tracking module；Described electromagnetic interference source detection module includes reception antenna, inspection
Ripple device, operational amplifier, single-chip microcomputer, oscillation source, amplifier and transmitting antenna；The radiation direction of reception antenna is horizontal omnidirectional,
It is connected by coaxial or microstrip line with wave detector, wave detector passes through gold by metal wire and operational amplifier concatenation operation amplifier
Category line is connected with single-chip microcomputer, and single-chip microcomputer is connected by metal wire with oscillation source, and oscillation source passes through microstrip line or coaxial line and amplification
Device is connected, and amplifier is connected by microstrip line or coaxial line with transmitting antenna, and the radiation direction of transmitting antenna is horizontal omnidirectional；Institute
The electromagnetic interference source tracking module stated includes reception antenna, low-noise amplifier, wave detector, operational amplifier and display；Connect
The radiation direction of antenna is received to be highly directional, by micro-strip or is coaxially connected with low-noise amplifier, low-noise amplifier passes through gold
Category line is connected with wave detector, and wave detector is connected by metal wire with operational amplifier, and operational amplifier passes through metal wire and display
Device connects.
The beneficial effects of the invention are as follows：Design is simple, is easily achieved；Radiofrequency signal is converted into direct current signal, so as to drop
The power consumption and cost of low whole system, tracking range is improved, and display circuit can be simplified, contribute to whole system to realize portable
Formula；Realize electromagnetic interference source detection and remote tracking.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention
Embodiment
In order to be preferably described in detail to the technical scheme in the present invention, the application in conjunction with the embodiments in accompanying drawing make
It is further described.
As shown in figure 1, reception antenna 11 is a wideband monopole sub-antenna, working frequency is 860MHz~2.6GHz, is covered
The conventional mobile communication of lid and satellite navigation frequency range, receive radiofrequency signal with horizontal omnidirectional, realize the radiofrequency signal of all directions
Optimum reception；Then the signal received is transferred to wave detector 12, wave detector 12 is a broadband detector, and working frequency range covers
860MHz~2.6GHz is covered, realizes and radiofrequency signal is converted into direct current signal；The direct current signal of output is transferred into computing again to put
Big device 13, realizes the amplification of direct current signal；Direct current signal after amplification is transferred to single-chip microcomputer 14, detection door is set by programming
Limit, realizes the judgement of direct current signal and pre-determined threshold after amplification, and then detects whether electromagnetic interference signal be present；Detect
In the absence of electromagnetic interference signal, single-chip microcomputer 14 launches "Off" signal to oscillation source 15, and oscillation source 15 does not work；Detect to exist and do
Signal is disturbed, single-chip microcomputer 14 launches "ON" signal to oscillation source 15, and oscillation source 15 works, and exports what is be of little use in a mobile communication
583MHz radiofrequency signals；By the 583MHz radio signal transmissions that oscillation source 15 exports to amplifier 16, work(during amplifier 16 is selected
Rate radio frequency amplifier, realize the amplification to 583MHz radiofrequency signals；Finally by the 583MHz radio signal transmissions after amplification to hair
Antenna 17 is penetrated, transmitting antenna 17 is an arrowband monopole antenna, and working frequency range is 560MHz~600MHz, realizes specific frequency
Radiofrequency signal propagation；Reception antenna 21 is the arrowband yagi aerial of a high-gain, working frequency be 560MHz~
600MHz, the 583MHz radiofrequency signals of the transmitting of transmitting antenna 17 are received with high directionality, realize track side to the side of transmitting antenna 17
To differentiation；The 583MHz radio signal transmissions received to low-noise amplifier 22 are realized to 583MHz radiofrequency signals
Amplification；By the 583MHz radio signal transmissions after amplification to wave detector 23, conversion of the radiofrequency signal to direct current signal is realized；Will be straight
Stream signal is transferred to operational amplifier 24, realizes the amplification to direct current signal；Direct current signal after amplification is transferred to display
25, realize judgement of the track side to the distance of transmitting antenna 17；Complete the tracking to electromagnetic interference signal.
The system framework described above for only describing the present invention and preferred embodiment, are not intended to limit the invention, right
For the designer of this area is engaged in, the present invention can realize a variety of changes and modification.Therefore, every think of in the present invention
Want with the modification in principle, change, improvement etc., all within the scope of the present invention.
Claims (4)
- Detected 1. a kind of for electromagnetic interference source and the device that tracks at a distance, including electromagnetic interference source detection module (1) and Electromagnetic interference source tracking module (2)；It is characterized in that：Described electromagnetic interference source detection module (1) include reception antenna (11), Wave detector (12), operational amplifier (13), single-chip microcomputer (14), oscillation source (15), amplifier (16) and transmitting antenna (17)；Receive The radiation direction of antenna (11) is horizontal omnidirectional, is connected by coaxial or microstrip line with wave detector (12), wave detector (12) passes through Metal wire is connected with operational amplifier (13)；Operational amplifier (13) is connected by metal wire with single-chip microcomputer (14), single-chip microcomputer (14) it is connected by metal wire with oscillation source (15), oscillation source (15) is connected by microstrip line or coaxial line with amplifier (16), Amplifier (16) is connected by microstrip line or coaxial line with transmitting antenna (17), and the radiation direction of transmitting antenna is horizontal omnidirectional； Described electromagnetic interference source tracking module (2) includes reception antenna (21), low-noise amplifier (22), wave detector (23), computing Amplifier (24) and display (25)；The radiation direction of reception antenna (21) is highly directional, by micro-strip or coaxially and low noise Amplifier (22) is connected, and low-noise amplifier (22) is connected by metal wire with wave detector (23), and wave detector (23) passes through metal Line is connected with operational amplifier (24), and operational amplifier (24) is connected by metal wire with display.
- A kind of 2. device for detecting and tracking for electromagnetic interference source according to claim 1, it is characterised in that：It is described to connect It is a kind of ultra wide band horizontal omnidirectional antenna to receive antenna (11), covers the working frequency range such as existing mobile communication, satellite navigation.
- A kind of 3. device for detecting and tracking for electromagnetic interference source according to claim 1, it is characterised in that：The hair It is a kind of narrow band level omnidirectional antenna to penetrate antenna (17), for launching the radiofrequency signal of specific frequency, and filters out other frequencies automatically The radiofrequency signal of rate.
- A kind of 4. device for detecting and tracking for electromagnetic interference source according to claim 1, it is characterised in that：It is described to connect It is a kind of highly directional antenna in arrowband to receive antenna (21), for receiving the radiofrequency signal of specific frequency, and filters out other frequencies automatically Radiofrequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710782967.3A CN107632217B (en) | 2017-09-03 | 2017-09-03 | Device for electromagnetic interference source detection and remote tracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710782967.3A CN107632217B (en) | 2017-09-03 | 2017-09-03 | Device for electromagnetic interference source detection and remote tracking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107632217A true CN107632217A (en) | 2018-01-26 |
| CN107632217B CN107632217B (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710782967.3A Active CN107632217B (en) | 2017-09-03 | 2017-09-03 | Device for electromagnetic interference source detection and remote tracking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115184708A (en) * | 2022-07-12 | 2022-10-14 | 胡春磊 | Equipment for intelligent detection of weak current engineering |
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| CN1433165A (en) * | 2002-01-18 | 2003-07-30 | 金桥电子实业股份有限公司 | Measurement device and method for micropower short-wave FM radio set |
| CN1439198A (en) * | 1999-04-28 | 2003-08-27 | Isco国际股份有限公司 | Interference detection, identification, extraction and reporting |
| US20150099534A1 (en) * | 2013-10-04 | 2015-04-09 | Fujitsu Limited | Location estimation device and location estimation method for estimating location of interference source |
| JP2016017887A (en) * | 2014-07-09 | 2016-02-01 | ソフトバンク株式会社 | Interference measuring system and interference measuring method |
| CN205354044U (en) * | 2015-12-28 | 2016-06-29 | 北京聚利科技股份有限公司 | Radiofrequency signal audiomonitor |
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2017
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Patent Citations (5)
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| CN1439198A (en) * | 1999-04-28 | 2003-08-27 | Isco国际股份有限公司 | Interference detection, identification, extraction and reporting |
| CN1433165A (en) * | 2002-01-18 | 2003-07-30 | 金桥电子实业股份有限公司 | Measurement device and method for micropower short-wave FM radio set |
| US20150099534A1 (en) * | 2013-10-04 | 2015-04-09 | Fujitsu Limited | Location estimation device and location estimation method for estimating location of interference source |
| JP2016017887A (en) * | 2014-07-09 | 2016-02-01 | ソフトバンク株式会社 | Interference measuring system and interference measuring method |
| CN205354044U (en) * | 2015-12-28 | 2016-06-29 | 北京聚利科技股份有限公司 | Radiofrequency signal audiomonitor |
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| 李彧 等: "一种同步卫星干扰定位技术分析", 《测控技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115184708A (en) * | 2022-07-12 | 2022-10-14 | 胡春磊 | Equipment for intelligent detection of weak current engineering |
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| Publication number | Publication date |
|---|---|
| CN107632217B (en) | 2020-03-31 |
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