CN209231506U - A kind of portable surveillance radar - Google Patents
A kind of portable surveillance radar Download PDFInfo
- Publication number
- CN209231506U CN209231506U CN201822053083.7U CN201822053083U CN209231506U CN 209231506 U CN209231506 U CN 209231506U CN 201822053083 U CN201822053083 U CN 201822053083U CN 209231506 U CN209231506 U CN 209231506U
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- signal
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- transport
- resistance
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Abstract
The utility model discloses a kind of portable surveillance radars, including signal acquisition circuit, frequency modulation calibrates circuit and amplifier output circuit, the signal acquisition circuit acquires portable surveillance radar microwave signal frequency, with in input frequency modulation calibration circuit after inductance L1 and capacitor C2 composition LC filter circuit filtering, the frequency modulation calibration circuit is with transport and placing device AR1 and resistance R1 ~ resistance R3 and capacitor C3 ~ capacitor C5 composition FM circuit to the processing of signal frequency modulation, simultaneously with transport and placing device AR1 with phase amplified signal, and the abnormal signal in signal is filtered out with triode Q3 and triode Q4 composition composite switch circuit, wherein triode Q2, triode Q1 feedback signal is to transport and placing device AR1, play the output signal current potential of feedback calibration transport and placing device AR1, the last amplifier output circuit uses Transport and placing device AR2 can in real time calibrate portable surveillance radar microwave signal, and can compensate portable surveillance radar microwave signal in time with exporting after phase amplified signal.
Description
Technical field
The utility model relates to field of circuit technology, more particularly to a kind of portable surveillance radar.
Background technique
Surveillance radar surveillance radar, is divided into aircraft-warning radar and sea guard radar, for finding and monitoring sea, sky
Middle target matches the enemy and we's attribute for determining target with identification of friend or foe, provides mesh to missile-guidance radar and fire control radar
Mark instruction etc., wherein portable surveillance radar is to use microwave signal feedback principle, the effect of realization detection target, but if
Microwave signal frequency is interfered by other high-frequency signals, will lead to radar microwave signal frequency hopping, feedback signal underpower,
It is portable surveillance radar failure.
So the utility model provides the new scheme of one kind to solve the problems, such as this.
Utility model content
For above situation, for the defect for overcoming the prior art, being designed to provide for the utility model is a kind of portable
Surveillance radar, have be skillfully constructed, the characteristic of human oriented design, can in real time to portable surveillance radar microwave signal calibrate,
And portable surveillance radar microwave signal can be compensated in time.
Its solve technical solution be a kind of portable surveillance radar, including signal acquisition circuit, frequency modulation calibration circuit and
Amplifier output circuit, the signal acquisition circuit acquires portable surveillance radar microwave signal frequency, with inductance L1 and capacitor
Input frequency modulation is calibrated in circuit after C2 forms the filtering of LC filter circuit, and the frequency modulation calibration circuit uses transport and placing device AR1 and resistance
R1 ~ resistance R3 and capacitor C3 ~ capacitor C5 composition FM circuit is mutually put to the processing of signal frequency modulation, while with transport and placing device AR1 is same
Big signal, and the abnormal signal in signal is filtered out with triode Q3 and triode Q4 composition composite switch circuit, wherein three
Pole pipe Q2, triode Q1 feedback signal to transport and placing device AR1 play the output signal current potential of feedback calibration transport and placing device AR1, last institute
Amplifier output circuit is stated with transport and placing device AR2 with exporting after phase amplified signal, that is to say as portable surveillance radar microwave signal
Thermal compensation signal；
The frequency modulation calibration circuit includes capacitor C3, one end of a terminating resistor R1 of capacitor C3, the other end of capacitor C3
One end of connecting resistance R2, capacitor C4, the base stage of another termination triode Q3 of resistance R2 and output end, the resistance of transport and placing device AR1
The anode of one end of R5, the base stage of triode Q2 and diode D2, one end of another termination capacitor C5 of resistance R1 and resistance
The current collection of the non-inverting input terminal of one end of R3, the other end of another termination capacitor C4 of resistance R3 and transport and placing device AR1, triode Q2
Pole, the base stage of another termination triode Q1 of capacitor C5, one end of the emitter connecting resistance R4 of triode Q1, resistance R4's is another
Terminate transport and placing device AR1 inverting input terminal and resistance R5 the other end, the cathode of diode D2 connect triode Q2 emitter and
One end of resistance R7 and the emitter of triode Q4, the other end ground connection of resistance R7, the base stage of triode Q4 meet triode Q3
Emitter, the collector of triode Q4 and the collector of triode Q3 meet power supply+5V.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art；
1, with transport and placing device AR1 and resistance R1 ~ resistance R3 and capacitor C3 ~ capacitor C5 composition FM circuit to signal frequency modulation
Processing, using capacitor C3, capacitor C4 charge and discharge electrical property, when signal is high-frequency signal, capacitor C4 charges at this time, reduces transport and placing device
AR1 non-inverting input terminal signal frequency, when signal is low frequency signal, capacitor C3 electric discharge improves transport and placing device AR1 non-inverting input terminal letter
Number frequency plays the role of calibrating signal frequency, anti-stop signal frequency hopping；
2. filtering out the abnormal signal in signal with triode Q3 and triode Q4 composition composite switch circuit, work as signal
When for abnormal low level signal, triode Q2 conducting in feedback signal to transport and placing device AR1 non-inverting input terminal, improves frequency modulation calibration
Circuit output signal current potential, when signal is abnormal high level signal, triode Q1 is connected at this time, feedback signal to transport and placing device
In AR1 inverting input terminal, play the role of calibration signal current potential, realizes the automatic calibration to signal.
Detailed description of the invention
Fig. 1 is a kind of module map of portable surveillance radar of the utility model.
Fig. 2 is a kind of schematic diagram of portable surveillance radar of the utility model.
Specific embodiment
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 2 can be clearly presented in the detailed description of embodiment.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Embodiment one, a kind of portable surveillance radar, including signal acquisition circuit, frequency modulation calibration circuit and amplifier output electricity
Road, the signal acquisition circuit acquire portable surveillance radar microwave signal frequency, with inductance L1 and capacitor C2 composition LC filter
After wave circuit filtering in input frequency modulation calibration circuit, frequency modulation calibration circuit with transport and placing device AR1 and resistance R1 ~ resistance R3 with
And capacitor C3 ~ capacitor C5 composition FM circuit uses transport and placing device AR1 with phase amplified signal the processing of signal frequency modulation, and
The abnormal signal in signal is filtered out with triode Q3 and triode Q4 composition composite switch circuit, wherein triode Q2, three poles
Pipe Q1 feedback signal plays the output signal current potential of feedback calibration transport and placing device AR1, the last amplifier output to transport and placing device AR1
Circuit, with exporting after phase amplified signal, that is to say with transport and placing device AR2 as the thermal compensation signal of portable surveillance radar microwave signal；
The frequency modulation calibration circuit forms frequency modulation with transport and placing device AR1 and resistance R1 ~ resistance R3 and capacitor C3 ~ capacitor C5
Circuit is to the processing of signal frequency modulation, using capacitor C3, capacitor C4 charge and discharge electrical property, when signal is high-frequency signal, and capacitor C4 at this time
Charging reduces transport and placing device AR1 non-inverting input terminal signal frequency, and when signal is low frequency signal, capacitor C3 electric discharge improves transport and placing device
AR1 non-inverting input terminal signal frequency plays the role of calibrating signal frequency, while with transport and placing device AR1 with phase amplified signal,
The conduction loss of thermal compensation signal, and the exception in signal is filtered out with triode Q3 and triode Q4 composition composite switch circuit
Signal, when signal is abnormal low level signal, triode Q2 is connected, and in feedback signal to transport and placing device AR1 non-inverting input terminal, is mentioned
High frequency modulation calibrates circuit output signal current potential, and when signal is abnormal high level signal, triode Q1 is connected at this time, feedback signal
To transport and placing device AR1 inverting input terminal, play the role of calibration signal current potential, one end of a terminating resistor R1 of capacitor C3, electricity
Hold one end of another terminating resistor R2 of C3, capacitor C4, the base stage of another termination triode Q3 of resistance R2 and transport and placing device AR1's
Output end, one end of resistance R5, the base stage of triode Q2 and diode D2 anode, another termination capacitor C5's of resistance R1
One end of one end and resistance R3, the other end of another termination capacitor C4 of resistance R3 and non-inverting input terminal, three poles of transport and placing device AR1
The collector of pipe Q2, the base stage of another termination triode Q1 of capacitor C5, one end of the emitter connecting resistance R4 of triode Q1, electricity
The inverting input terminal of another termination transport and placing device AR1 of R4 and the other end of resistance R5 are hindered, the cathode of diode D2 meets triode Q2
Emitter and resistance R7 one end and triode Q4 emitter, resistance R7 the other end ground connection, the base stage of triode Q4
The emitter of triode Q3 is connect, the collector of triode Q4 and the collector of triode Q3 meet power supply+5V.
Embodiment two, on the basis of example 1, the amplifier output circuit is with transport and placing device AR2 with phase amplified signal
After export, amplified signal power, the conduction loss in thermal compensation signal that is to say as the compensation of portable surveillance radar microwave signal
Signal, the collector of the homophase input termination triode Q4 of transport and placing device AR2, anti-phase input terminating resistor R6, the electricity of transport and placing device AR2
Hinder one end of R8, the other end ground connection of resistance R6, one end of the output end of another termination transport and placing device AR2 of resistance R8, resistance R9
With the cathode of voltage-stabiliser tube D3, the plus earth of voltage-stabiliser tube D3, another termination signal output port of resistance R9.
Implement three, on the basis of example 1, the signal acquisition circuit selects the signal frequency of model SJ-ADC
Collector J1 acquires portable surveillance radar microwave signal frequency, after inductance L1 and capacitor C2 composition LC filter circuit filtering
It inputs in frequency modulation calibration circuit, filters out the clutter in signal, the power supply termination power+5V and capacitor C1 of signal frequency collector J1
One end, signal frequency collector J1 ground terminal ground connection, the other end of the output termination capacitor C1 of signal frequency collector J1
It is grounded with the other end of one end of capacitor C2, inductance L1, capacitor C2, the cathode and capacitor of another termination voltage-stabiliser tube D1 of inductance L1
One end of C3, the anode of voltage-stabiliser tube D1 connect the collector of triode Q1.
When the utility model is specifically used, a kind of portable surveillance radar, including signal acquisition circuit, frequency modulation calibrate circuit
With amplifier output circuit, the signal acquisition circuit acquires portable surveillance radar microwave signal frequency, with inductance L1 and electricity
Input frequency modulation is calibrated in circuit after holding C2 composition LC filter circuit filtering, and the frequency modulation calibration circuit uses transport and placing device AR1 and electricity
R1 ~ resistance R3 and capacitor C3 ~ capacitor C5 composition FM circuit is hindered to the processing of signal frequency modulation, utilizes capacitor C3, capacitor C4 charge and discharge
Electrical property, when signal is high-frequency signal, capacitor C4 charges at this time, reduces transport and placing device AR1 non-inverting input terminal signal frequency, works as letter
Number be low frequency signal when, capacitor C3 electric discharge, improve transport and placing device AR1 non-inverting input terminal signal frequency, play to signal frequency calibrate
Effect, while with transport and placing device AR1 with phase amplified signal, the conduction loss of thermal compensation signal, and use triode Q3 and three
Pole pipe Q4 composition composite switch circuit filters out the abnormal signal in signal, when signal is abnormal low level signal, triode Q2
It is connected, in feedback signal to transport and placing device AR1 non-inverting input terminal, improves frequency modulation and calibrate circuit output signal current potential, when signal is different
When normal high level signal, triode Q1 is connected at this time, in feedback signal to transport and placing device AR1 inverting input terminal, plays calibration signal
The effect of current potential, the last amplifier output circuit, with exporting after phase amplified signal, that is to say to be portable with transport and placing device AR2
The thermal compensation signal of surveillance radar microwave signal.
The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in
Within scope of protection of the utility model.
Claims (3)
1. a kind of portable surveillance radar, including signal acquisition circuit, frequency modulation calibration circuit and amplifier output circuit, feature exist
In the signal acquisition circuit acquires portable surveillance radar microwave signal frequency, with inductance L1 and capacitor C2 composition LC filter
After wave circuit filtering in input frequency modulation calibration circuit, frequency modulation calibration circuit with transport and placing device AR1 and resistance R1 ~ resistance R3 with
And capacitor C3 ~ capacitor C5 composition FM circuit uses transport and placing device AR1 with phase amplified signal the processing of signal frequency modulation, and
The abnormal signal in signal is filtered out with triode Q3 and triode Q4 composition composite switch circuit, wherein triode Q2, three poles
Pipe Q1 feedback signal plays the output signal current potential of feedback calibration transport and placing device AR1, the last amplifier output to transport and placing device AR1
Circuit, with exporting after phase amplified signal, that is to say with transport and placing device AR2 as the thermal compensation signal of portable surveillance radar microwave signal；
The frequency modulation calibration circuit includes capacitor C3, one end of a terminating resistor R1 of capacitor C3, another termination electricity of capacitor C3
Hinder one end of R2, capacitor C4, the output end of the base stage of another termination triode Q3 of resistance R2 and transport and placing device AR1, resistance R5
The anode of one end, the base stage of triode Q2 and diode D2, one end of another termination capacitor C5 of resistance R1 and resistance R3's
The collector of the non-inverting input terminal of one end, the other end of another termination capacitor C4 of resistance R3 and transport and placing device AR1, triode Q2,
The base stage of another termination triode Q1 of capacitor C5, one end of the emitter connecting resistance R4 of triode Q1, the other end of resistance R4
The inverting input terminal of transport and placing device AR1 and the other end of resistance R5 are connect, the cathode of diode D2 connects the emitter and electricity of triode Q2
One end of R7 and the emitter of triode Q4, the other end ground connection of resistance R7 are hindered, the base stage of triode Q4 connects triode Q3's
Emitter, the collector of triode Q4 and the collector of triode Q3 meet power supply+5V.
2. a kind of portable surveillance radar as described in claim 1, which is characterized in that the amplifier output circuit includes transport and placing device
The collector of the homophase input termination triode Q4 of AR2, transport and placing device AR2, anti-phase input terminating resistor R6, the electricity of transport and placing device AR2
Hinder one end of R8, the other end ground connection of resistance R6, one end of the output end of another termination transport and placing device AR2 of resistance R8, resistance R9
With the cathode of voltage-stabiliser tube D3, the plus earth of voltage-stabiliser tube D3, another termination signal output port of resistance R9.
3. a kind of portable surveillance radar as described in claim 1, which is characterized in that the signal acquisition circuit includes model
One end of the power supply termination power+5V and capacitor C1 of the signal frequency collector J1 of SJ-ADC, signal frequency collector J1, signal
The ground terminal of frequency collection device J1 is grounded, the other end and capacitor C2, electricity of the output termination capacitor C1 of signal frequency collector J1
Feel one end of L1, the other end ground connection of capacitor C2, the cathode of another termination voltage-stabiliser tube D1 of inductance L1 and one end of capacitor C3, surely
The anode of pressure pipe D1 connects the collector of triode Q1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053083.7U CN209231506U (en) | 2018-12-07 | 2018-12-07 | A kind of portable surveillance radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053083.7U CN209231506U (en) | 2018-12-07 | 2018-12-07 | A kind of portable surveillance radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209231506U true CN209231506U (en) | 2019-08-09 |
Family
ID=67506816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822053083.7U Withdrawn - After Issue CN209231506U (en) | 2018-12-07 | 2018-12-07 | A kind of portable surveillance radar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209231506U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283527A (en) * | 2018-12-07 | 2019-01-29 | 河南华兴通信技术有限公司 | A kind of portable surveillance radar |
| CN111510176A (en) * | 2020-04-23 | 2020-08-07 | 河南华兴通信技术有限公司 | Digital microwave control system |
-
2018
- 2018-12-07 CN CN201822053083.7U patent/CN209231506U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283527A (en) * | 2018-12-07 | 2019-01-29 | 河南华兴通信技术有限公司 | A kind of portable surveillance radar |
| CN109283527B (en) * | 2018-12-07 | 2023-09-15 | 华兴通信技术有限公司 | Portable warning radar |
| CN111510176A (en) * | 2020-04-23 | 2020-08-07 | 河南华兴通信技术有限公司 | Digital microwave control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 3208, block a, Yunfeng block, window of Greenland, No.80, Puhui Road, Zhengzhou area (Zhengdong), Zhengzhou pilot Free Trade Zone, Henan Province Patentee after: Huaxing Communication Technology Co.,Ltd. Address before: Room 3204, block a, Yunfeng block, Greenland window, No.80, Puhui Road, Zhengzhou City, Henan Province, 450000 Patentee before: HENAN HUAXING COMMUNICATION TECHNOLOGY Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190809 Effective date of abandoning: 20230915 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190809 Effective date of abandoning: 20230915 |