CN104506251A - Radio detection device - Google Patents
Radio detection device Download PDFInfo
- Publication number
- CN104506251A CN104506251A CN201410775110.5A CN201410775110A CN104506251A CN 104506251 A CN104506251 A CN 104506251A CN 201410775110 A CN201410775110 A CN 201410775110A CN 104506251 A CN104506251 A CN 104506251A
- Authority
- CN
- China
- Prior art keywords
- output
- operational amplifier
- oscillator
- detection device
- amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a radio detection device. The radio detection device comprises a transmitting unit, a receiving unit, a power divider (2) and an antenna (1), wherein the transmitting unit comprises a modulator (5), an oscillator (4) and an amplifier (3); the receiving unit comprises a mixer (6), a follower (7), a detector (8), a first operational amplifier (9) and a second operational amplifier (10); the output terminal of the modulator (5) is connected with the oscillator (4); the output terminal of the oscillator (4) is connected with the amplifier (3); the output terminal of the amplifier (3) is connected with the transmission signal input terminal of the power divider (2); the transmission signal output terminal of the power divider (2) is connected with the antenna (1). The radio detection device solves the technical problem that a laser detection device misjudges non-target objects, such as mist and dust, adopts a wireless transceiving device to identify objects with the section being larger than 200mm*20mm within 2 to 4m, and has the advantages of small size, low power consumption, low misjudgment rate and the like.
Description
Technical field
The present invention relates to a kind of radio detection device.
Background technology
Traditional sniffer mainly adopts laser acquisition, but the raw erroneous judgement of the non-targeted such as fog, dust produce is caused to the misoperation of actuator due to laser acquisition mode, greatly have impact on the correctness of sniffer.Therefore need to provide a kind of and effectively can solve the sniffer of Laser Detecting Set to the technical problem of the raw erroneous judgement of the non-targeted such as fog, dust produce, and under high-speed motion condition, spacing test is carried out to target.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of radio detection device is provided, solve the technical problem of Laser Detecting Set to the raw erroneous judgement of the non-targeted such as fog, dust produce.
The object of the invention is to be achieved through the following technical solutions: radio detection device, it comprises transmitter unit, receiving element, power splitter and antenna, described transmitter unit comprises modulator, oscillator and amplifier, and described receiving element comprises frequency mixer, follower, wave detector, the first operational amplifier and the second operational amplifier;
For transmitting chain, the output of modulator is connected with oscillator, and the output of oscillator is connected with amplifier, and the output of amplifier is connected with the input that transmits of power splitter, and the output that transmits of power splitter is connected with antenna, antenna transmission signal;
For receiver, antenna receives external signal, the output of antenna is connected with the Received signal strength input of power splitter, the output that transmits of power splitter is connected with frequency mixer, the output of frequency mixer is connected with follower, and the output of follower is connected with wave detector, and the output of wave detector is connected with the first operational amplifier, the output of the first operational amplifier is connected with the second operational amplifier, and the second operational amplifier compares rear output signal.
The signal that described modulator exports is triangular signal.
Described oscillator is local oscillator oscillator.
Described power splitter is microstrip power divider.
The first described operational amplifier is used for carrying out proportional difference amplification and exporting, and the second described operational amplifier is used for comparing open loop and amplifies and export.
The invention has the beneficial effects as follows: (1) the present invention solves the technical problem of Laser Detecting Set to the raw erroneous judgement of the non-targeted produce of the non-metal barriers such as fog, dust; (2) the present invention realizes detector and target carries out spacing test to target under high-speed motion condition, and wireless transmitter identifies the 20mm × 20mm cross section target that is greater than in 2 ~ 4m, and provides drive singal; (3) the present invention has the advantage that volume is little, low in energy consumption, False Rate is low.
Accompanying drawing explanation
Fig. 1 is block diagram of the present invention;
In figure, 1-antenna, 2-power splitter, 3-amplifier, 4-oscillator, 5-modulator, 6-frequency mixer, 7-follower, 8-wave detector, 9-first operational amplifier, 10-second operational amplifier.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail: as shown in Figure 1, radio detection device, it comprises transmitter unit, receiving element, power splitter 2 and antenna 1, described transmitter unit comprises modulator 5, oscillator 4 and amplifier 3, and described receiving element comprises frequency mixer 6, follower 7, wave detector 8, first operational amplifier 9 and the second operational amplifier 10;
For transmitting chain, the output of modulator 5 is connected with oscillator 4, and the output of oscillator 4 is connected with amplifier 3, and the output of amplifier 3 is connected with the input that transmits of power splitter 2, the output that transmits of power splitter 2 is connected with antenna 1, and antenna 1 transmits;
The output 150KHz triangular signal of modulator 5, this triangular signal modulation 6GHz local oscillator oscillator 4, through being amplified by amplifier 3, after power splitter 2, launched by antenna 1 after obtaining modulation signal.
For receiver, antenna 1 receives external signal, the output of antenna 1 is connected with the Received signal strength input of power splitter 2, the output that transmits of power splitter 2 is connected with frequency mixer 6, the output of frequency mixer 6 is connected with follower 7, and the output of follower 7 is connected with wave detector 8, and the output of wave detector 8 is connected with the first operational amplifier 9, the output of the first operational amplifier 9 is connected with the second operational amplifier 10, and the second operational amplifier 10 compares rear output signal;
The signal that antenna 1 receives is after power splitter 2, enter frequency mixer 6 mixing and obtain 300KHz signal, after strengthening isolation by follower 7, enter wave detector 8 and obtain vision signal, then amplified by the first operational amplifier 9, finally compare output by the second operational amplifier 10.
Described oscillator 4 is local oscillator oscillator.
The first described operational amplifier 9 is for carrying out proportional difference amplification and exporting, and the second described operational amplifier 10 amplifies for comparing open loop and exports.
In the present embodiment, the model of modulator 5 is CD401068M, the model of local oscillator oscillator 4 is HMC358, the model of amplifier 3 is HMC407, and power splitter 2 is microstrip power divider, and the model of frequency mixer 6 is hsms8101, the model of follower 7 is MMBT2222ALT1G, the model of wave detector 8 is AD8310, and the model of the first operational amplifier is AD8058, and the model of the second operational amplifier is AD8051.
The technical indicator of the main realization of the present embodiment:
1. realize detector and target carries out spacing test to target under high-speed motion condition; Spacing scope: 2-4m.
2. object size: be greater than 20mm × 20mm cross section target.
3. search coverage: cover 360 °.
4. output signal requires: have TTL positive logic pulse to export, pulse duration: >=500us.
5. power supply: input power :+18 ~+20≤230mA;-20V :≤100mA.
Claims (5)
1. radio detection device, it is characterized in that: it comprises transmitter unit, receiving element, power splitter (2) and antenna (1), described transmitter unit comprises modulator (5), oscillator (4) and amplifier (3), and described receiving element comprises frequency mixer (6), follower (7), wave detector (8), the first operational amplifier (9) and the second operational amplifier (10);
For transmitting chain, the output of modulator (5) is connected with oscillator (4), the output of oscillator (4) is connected with amplifier (3), the output of amplifier (3) is connected with the input that transmits of power splitter (2), the output that transmits of power splitter (2) is connected with antenna (1), and antenna (1) transmits;
For receiver, antenna (1) receives external signal, the output of antenna (1) is connected with the Received signal strength input of power splitter (2), the output that transmits of power splitter (2) is connected with frequency mixer (6), the output of frequency mixer (6) is connected with follower (7), the output of follower (7) is connected with wave detector (8), the output of wave detector (8) is connected with the first operational amplifier (9), the output of the first operational amplifier (9) is connected with the second operational amplifier (10), second operational amplifier (10) compares rear output signal.
2. radio detection device according to claim 1, is characterized in that: the signal that described modulator (5) exports is triangular signal.
3. radio detection device according to claim 1, is characterized in that: described oscillator (4) is local oscillator oscillator.
4. radio detection device according to claim 1, is characterized in that: described power splitter (2) is microstrip power divider.
5. radio detection device according to claim 1, is characterized in that: described the first operational amplifier (9) is for carrying out proportional difference amplification and exporting, and described the second operational amplifier (10) amplifies for comparing open loop and exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775110.5A CN104506251A (en) | 2014-12-16 | 2014-12-16 | Radio detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775110.5A CN104506251A (en) | 2014-12-16 | 2014-12-16 | Radio detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104506251A true CN104506251A (en) | 2015-04-08 |
Family
ID=52947974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410775110.5A Pending CN104506251A (en) | 2014-12-16 | 2014-12-16 | Radio detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104506251A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1400474A (en) * | 2002-08-16 | 2003-03-05 | 中国科学院上海微系统与信息技术研究所 | All-solid integrated smalltype millimeter-ware anticollision radar equipment |
-
2014
- 2014-12-16 CN CN201410775110.5A patent/CN104506251A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1400474A (en) * | 2002-08-16 | 2003-03-05 | 中国科学院上海微系统与信息技术研究所 | All-solid integrated smalltype millimeter-ware anticollision radar equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104459649A (en) | Full-solid millimeter wave cloud radar calibration probe system and method | |
| CN104729733A (en) | Power capacitor environment temperature detecting and warning device | |
| CN104318274B (en) | Train reading device based on REID | |
| CN203243329U (en) | Underwater short-distance communication device based on visible light | |
| CN203773660U (en) | Infrared transmitting alarm device | |
| CN203054218U (en) | Wireless range finding system based on pulse interval | |
| CN104506251A (en) | Radio detection device | |
| CN205374734U (en) | Speed measuring radar system with self -checking function | |
| CN205003282U (en) | Digital UHF doppler radar device | |
| CN203746201U (en) | Warning device preventing electric transmission line from being damaged by external force | |
| CN202305833U (en) | Detection circuit for dangerous liquid | |
| CN204616103U (en) | Radio node radio-frequency power dynamic adjustments module | |
| CN204575132U (en) | Based on the electromagnetic environment front end monitoring device of ZigBee communication | |
| CN204556821U (en) | A kind of distance detection system utilizing secondary radar | |
| CN203882426U (en) | Mining speed sensor detecting system adopting wireless communication | |
| CN103324109A (en) | Energy-saving type telemetering terminal machine | |
| CN203929976U (en) | A kind of shelf depreciation electromagnetic wave detector | |
| CN204614143U (en) | Infrared signal sniffer | |
| CN201167311Y (en) | Apparatus for sending tunnel signal | |
| CN206294183U (en) | A kind of ultrashort wave radio set internal field analyser | |
| CN201561762U (en) | Coder and decoder circuit for Russian-made blind landing navigation equipment | |
| CN205792569U (en) | A kind of S-band RF transceiver | |
| CN204009080U (en) | Automobile multimode tracing system | |
| CN203151506U (en) | Radio frequency signal detection module with USB socket | |
| CN204948061U (en) | Wireless module radiofrequency signal booster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |