CN104122534A - Detector circuit for flight control radar - Google Patents
Detector circuit for flight control radar Download PDFInfo
- Publication number
- CN104122534A CN104122534A CN201410401153.7A CN201410401153A CN104122534A CN 104122534 A CN104122534 A CN 104122534A CN 201410401153 A CN201410401153 A CN 201410401153A CN 104122534 A CN104122534 A CN 104122534A
- Authority
- CN
- China
- Prior art keywords
- resistance
- potentiometer
- voltage
- electric capacity
- voltage comparator
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a detector circuit for a flight control radar. The detector circuit comprises a DC (Direct Current) power supply, a crystal detector, a first resistor to a thirteen resistor, a first voltage comparer to a fourth voltage comparer, a first potentiometer, a second potentiometer, a first capacitor, a second capacitor, a third capacitor, an audion and a luminous diode. Radar waves are detected by the crystal detector; under the mutual cooperation of four voltage comparers and the corresponding resistors and capacitors, if the radar waves are detected, the luminous diode can give a warning at constant frequency; if the radar waves are not detected, the luminous diode cannot give out light. The detector circuit provided by the invention is simple in structure, few in element, low in cost, high in sensitivity, stable to work and high in reliability, therefore the detector circuit is beneficial for popularization and promotion.
Description
Technical field
The present invention relates to a kind of operations control circuit, relate in particular to a kind of detector circuit for operations control radar.
Background technology
Operations control radar, is the electronic equipment that utilizes electromagnetic wave detection target, and emitting electromagnetic wave irradiates target and receives its echo, obtains thus target to information such as the distance of electromagnetic wave launching site, range rate, orientation, height.Operations control radar and the weather radar etc. on airport have all been produced and have applied, and operations control radar is generally set up near airport and region along the line, important air route, borrow communication line to connect with operations control center.But many detector circuit complex structure, elements for operations control radar are many, cost is high, sensitivity is low, job insecurity, poor reliability, are difficult to universal and promote.
Summary of the invention
Object of the present invention is just to provide in order to address the above problem a kind of detector circuit for operations control radar.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes direct supply, pyron detector, the first resistance to the 13 resistance, the first electric capacity to the three electric capacity, the first voltage comparator to the four voltage comparators, the first potentiometer, the second potentiometer, triode and light emitting diode, the anodal while of described direct supply and the first end of described the first resistance, the collector of described triode is connected with the first end of described the 13 resistance, the second end while of described the first resistance and the base stage of described triode, the output terminal of described the first voltage comparator is connected with the first end of described the first electric capacity, the in-phase input end of described the first voltage comparator is connected with described the 12 first end of resistance and the positive pole of described pyron detector simultaneously, the inverting input of described the first voltage comparator is connected with the first end of described the 9th resistance and the first end of described the second potentiometer simultaneously, the second end while of described the second potentiometer and the sliding end of described the second potentiometer, the emitter-base bandgap grading of described triode, the in-phase input end of described tertiary voltage comparer is connected with the first end of described the second electric capacity, the inverting input of described tertiary voltage comparer connects the sliding end of described the first potentiometer, the first end while of described the first potentiometer and the first end of described the second resistance, the second end of described the 13 resistance, the first end of described the 3rd resistance, described the 4th first end of resistance and the positive pole of described light emitting diode are connected, the output terminal while of described tertiary voltage comparer and the second end of described the 3rd resistance, the first end of described the 5th resistance, the first end of described the 8th resistance, the first end of described the tenth resistance is connected with the output terminal of described second voltage comparer, the inverting input of described second voltage comparer is connected with the second end of described the 5th resistance and the first end of described the 3rd electric capacity simultaneously, the in-phase input end while of described second voltage comparer and the second end of described the second resistance, the second end of described the tenth resistance is connected with the first end of described the 11 resistance, the second end of described the 8th resistance connects the inverting input of described the 4th voltage comparator, the in-phase input end of described the 4th voltage comparator is connected with the first end of described the 7th resistance and the second end of described the 4th resistance simultaneously, the output terminal of described the 4th voltage comparator connects the first end of described the 6th resistance, the second end of described the 6th resistance connects the negative pole of described light emitting diode, the second end while of described the 7th resistance and the negative pole of described pyron detector, the second end of described the 12 resistance, the second end of described the 9th resistance, the second end of described the first potentiometer, the second end of described the first electric capacity, the second end of described the second electric capacity, the second end ground connection of the second end of described the 11 resistance and described the 3rd electric capacity.
Beneficial effect of the present invention is:
The present invention adopts a pyron detector to carry out detection radar ripple, under the work that cooperatively interacts of four voltage comparators and corresponding resistor, electric capacity, if while detecting radar wave, lumination of light emitting diode is warned, if while not detecting radar wave, light emitting diode is not luminous, and circuit structure of the present invention is simple, element is few, cost is low, highly sensitive, working stability, reliability are high, is conducive to universal and promotes.
Brief description of the drawings
Fig. 1 is circuit structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1: the present invention includes direct supply V, pyron detector B, the first resistance R 1 to the 13 resistance R 13, the first capacitor C 1 is to the 3rd capacitor C 3, the first voltage comparator ic 1 is to the 4th voltage comparator ic 4, the first potentiometer RP1, the second potentiometer RP2, triode VT and LED, the anodal while of direct supply V and the first end of the first resistance R 1, the collector of triode VT is connected with the first end of the 13 resistance R 13, the second end while of the first resistance R 1 and the base stage of triode VT, the output terminal of the first voltage comparator ic 1 is connected with the first end of the first capacitor C 1, the in-phase input end of the first voltage comparator ic 1 is connected with the first end of the 12 resistance R 12 and the positive pole of pyron detector B simultaneously, the inverting input of the first voltage comparator ic 1 is connected with the first end of the 9th resistance R 9 and the first end of the second potentiometer RP2 simultaneously, the second end while of the second potentiometer RP2 and the sliding end of the second potentiometer RP2, the emitter-base bandgap grading of triode VT, the in-phase input end of tertiary voltage comparer IC3 is connected with the first end of the second capacitor C 2, the inverting input of tertiary voltage comparer IC3 connects the sliding end of the first potentiometer RP1, the first end while of the first potentiometer RP1 and the first end of the second resistance R 2, the second end of the 13 resistance R 13, the first end of the 3rd resistance R 3, the 4th first end of resistance R 4 and the positive pole of LED are connected, the output terminal while of tertiary voltage comparer IC3 and the second end of the 3rd resistance R 3, the first end of the 5th resistance R 5, the first end of the 8th resistance R 8, the first end of the tenth resistance R 10 is connected with the output terminal of second voltage comparer IC2, the inverting input of second voltage comparer IC2 is connected with the second end of the 5th resistance R 5 and the first end of the 3rd capacitor C 3 simultaneously, the in-phase input end while of second voltage comparer IC2 and the second end of the second resistance R 2, the second end of the tenth resistance R 10 is connected with the first end of the 11 resistance R 11, the second end of the 8th resistance R 8 connects the inverting input of the 4th voltage comparator ic 4, the in-phase input end of the 4th voltage comparator ic 4 is connected with the first end of the 7th resistance R 7 and the second end of the 4th resistance R 4 simultaneously, the output terminal of the 4th voltage comparator ic 4 connects the first end of the 6th resistance R 6, the negative pole of the second end connecting luminous diode LED of the 6th resistance R 6, the second end while of the 7th resistance R 7 and the negative pole of pyron detector B, the second end of the 12 resistance R 12, the second end of the 9th resistance R 9, the second end of the first potentiometer RP1, the second end of the first capacitor C 1, the second end of the second capacitor C 2, the second end ground connection of the second end of the 11 resistance R 11 and the 3rd capacitor C 3.
Principle of work of the present invention:
As shown in Figure 1: in the time having radar wave radiation upper to pyron detector B, just there is a corresponding voltage at the input end of the first voltage comparator ic 1, the gain of this voltage comparator is adjustable, so that the scope at input signal place while changing whole circuit alarm, the output signal of the first voltage comparator ic 1 is amplified rear drive second voltage comparer IC2 through triode VT, second voltage comparer IC2 have one variable, for the threshold value that prevents that false alarm from setting, input signal is after tertiary voltage comparer IC3, tertiary voltage comparer IC3 exports certain signal frequency.In the time there is no radar wave signal, second voltage comparer IC2 output low level, make the output of tertiary voltage comparer IC3 cannot drive the 4th voltage comparator ic 4 to work, therefore LED is not luminous, while having radar signal, second voltage comparer IC2 output becomes high level, and the 4th voltage comparator ic 4 is worked, and LED glimmers with certain frequency.
Claims (1)
1. the detector circuit for operations control radar, it is characterized in that: comprise direct supply, pyron detector, the first resistance to the 13 resistance, the first electric capacity to the three electric capacity, the first voltage comparator to the four voltage comparators, the first potentiometer, the second potentiometer, triode and light emitting diode, the anodal while of described direct supply and the first end of described the first resistance, the collector of described triode is connected with the first end of described the 13 resistance, the second end while of described the first resistance and the base stage of described triode, the output terminal of described the first voltage comparator is connected with the first end of described the first electric capacity, the in-phase input end of described the first voltage comparator is connected with described the 12 first end of resistance and the positive pole of described pyron detector simultaneously, the inverting input of described the first voltage comparator is connected with the first end of described the 9th resistance and the first end of described the second potentiometer simultaneously, the second end while of described the second potentiometer and the sliding end of described the second potentiometer, the emitter-base bandgap grading of described triode, the in-phase input end of described tertiary voltage comparer is connected with the first end of described the second electric capacity, the inverting input of described tertiary voltage comparer connects the sliding end of described the first potentiometer, the first end while of described the first potentiometer and the first end of described the second resistance, the second end of described the 13 resistance, the first end of described the 3rd resistance, described the 4th first end of resistance and the positive pole of described light emitting diode are connected, the output terminal while of described tertiary voltage comparer and the second end of described the 3rd resistance, the first end of described the 5th resistance, the first end of described the 8th resistance, the first end of described the tenth resistance is connected with the output terminal of described second voltage comparer, the inverting input of described second voltage comparer is connected with the second end of described the 5th resistance and the first end of described the 3rd electric capacity simultaneously, the in-phase input end while of described second voltage comparer and the second end of described the second resistance, the second end of described the tenth resistance is connected with the first end of described the 11 resistance, the second end of described the 8th resistance connects the inverting input of described the 4th voltage comparator, the in-phase input end of described the 4th voltage comparator is connected with the first end of described the 7th resistance and the second end of described the 4th resistance simultaneously, the output terminal of described the 4th voltage comparator connects the first end of described the 6th resistance, the second end of described the 6th resistance connects the negative pole of described light emitting diode, the second end while of described the 7th resistance and the negative pole of described pyron detector, the second end of described the 12 resistance, the second end of described the 9th resistance, the second end of described the first potentiometer, the second end of described the first electric capacity, the second end of described the second electric capacity, the second end ground connection of the second end of described the 11 resistance and described the 3rd electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401153.7A CN104122534A (en) | 2014-08-15 | 2014-08-15 | Detector circuit for flight control radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401153.7A CN104122534A (en) | 2014-08-15 | 2014-08-15 | Detector circuit for flight control radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104122534A true CN104122534A (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410401153.7A Pending CN104122534A (en) | 2014-08-15 | 2014-08-15 | Detector circuit for flight control radar |
Country Status (1)
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| CN (1) | CN104122534A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0385781A2 (en) * | 1989-03-01 | 1990-09-05 | Raytheon Company | Radio frequency energy detection circuitry |
| JPH10332812A (en) * | 1997-05-31 | 1998-12-18 | Yupiteru Ind Co Ltd | Microwave detector |
| CN2625908Y (en) * | 2003-07-03 | 2004-07-14 | 陈仁华 | Electromagnetic wave detector |
| CN201191310Y (en) * | 2008-04-19 | 2009-02-04 | 美的集团有限公司 | Microwave leakage detection device |
| CN201724987U (en) * | 2010-05-21 | 2011-01-26 | 惠州Tcl移动通信有限公司 | Wireless signal detection alarm |
| CN103926473A (en) * | 2014-04-29 | 2014-07-16 | 吴圣铎 | Electromagnetic field detection device |
-
2014
- 2014-08-15 CN CN201410401153.7A patent/CN104122534A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0385781A2 (en) * | 1989-03-01 | 1990-09-05 | Raytheon Company | Radio frequency energy detection circuitry |
| JPH10332812A (en) * | 1997-05-31 | 1998-12-18 | Yupiteru Ind Co Ltd | Microwave detector |
| CN2625908Y (en) * | 2003-07-03 | 2004-07-14 | 陈仁华 | Electromagnetic wave detector |
| CN201191310Y (en) * | 2008-04-19 | 2009-02-04 | 美的集团有限公司 | Microwave leakage detection device |
| CN201724987U (en) * | 2010-05-21 | 2011-01-26 | 惠州Tcl移动通信有限公司 | Wireless signal detection alarm |
| CN103926473A (en) * | 2014-04-29 | 2014-07-16 | 吴圣铎 | Electromagnetic field detection device |
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Application publication date: 20141029 |