CN201421501Y - Secondary radar universal detector - Google Patents
Secondary radar universal detector Download PDFInfo
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- CN201421501Y CN201421501Y CN2009200145950U CN200920014595U CN201421501Y CN 201421501 Y CN201421501 Y CN 201421501Y CN 2009200145950 U CN2009200145950 U CN 2009200145950U CN 200920014595 U CN200920014595 U CN 200920014595U CN 201421501 Y CN201421501 Y CN 201421501Y
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Abstract
The utility model relates to a secondary radar fault detecting device, and provides a secondary radar universal detector which comprises components: an attenuator with attenuation of two poles being 30dB, an adjustable attenuator with attenuation of one pole being 110dB, a high frequency amplifier with the amount of gain of the two poles being 20dB, and a high frequency detector, wherein input ends and output ends of the components are provided with high frequency cable connecting ends. The technical scheme provides the composition for detecting the fault of all positions of a secondary radartransmitter, a secondary radar receiver and an antenna oscillator, and the secondary radar universal detector has the technical characteristics of low manufacturing cost, easy operation, rapid detection and high accuracy.
Description
Technical field
The utility model relates to the secondary radar failure detector.
Background technology
The fault that may occur in the secondary radar start mainly contains no secondary radar signal on the display, or can not receive the answer signal of aircraft continuously, or receives the close together of aircraft answer signal.Its reason has following several: the one, and the antenna feeder of secondary radar damages or insulation reduces, and the 2nd, secondary radar emissions machine fault or poor efficiency, the 3rd, secondary radar receiver fault or sensitivity reduce, and the 4th, the signal Processing extension set of secondary radar goes wrong.Use following several detection methods now always for above-mentioned described fault: a kind of is by changing transmitter, receiver or signal Processing extension set, or take antenna oscillator apart and measure feeder line heart yearn resistance or insulation piecemeal, thereby find out abort situation with testing tools such as avometer, meggers.Prerequisite that adopt to change equipment such as transmitter, receiver is the antenna feeder non-fault, otherwise the equipment of changing will be burnt, and therefore maintenance at first will be judged the antenna feeder quality.For the secondary radar that the centimeter wave of mouthful emissive power and decimetric wave are ridiculed in employing, owing to have huge parabola antenna, can obtain enough antenna gains with several oscillators, and the shaped aerial of part decimetric wave, need stand-alone antenna to satisfy its antenna gain, and the element number of stand-alone antenna is usually between 10-40, the secondary radar antenna oscillator generally connects with flexible cable, especially be erected at the secondary radar on seashore, its cable makes moist can cause the reflective power increase, burn out secondary radar solid state transmitter, limiter or receiver height puts.So be badly in need of developing and providing the special-purpose service kit of secondary radar at present, finish service work easily and efficiently.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of general detector of secondary radar at its each position fault of secondary radar, detection and discovery.The general detector technical scheme of the secondary radar that the utility model provides, its major technique content is: the general detector of a kind of secondary radar, the building block of this detector includes the I level and II level damping capacity is the attenuator of 30dB, a radio-frequency amplifier and the high frequency geophone that III level damping capacity adjustable adjustable attenuator, i level and ii gain per stage amount in 110dB is 20dB, and the input end of each building block, output terminal are equipped with high frequency cable and connect the termination.
In above-mentioned overall technical architecture, I level, II level attenuator and high frequency geophone are imported successively, are exported and be connected in series by high frequency cable, constitute the transmitter failure testing circuit; In addition, in the duty of low-power shelves, then I level attenuator and high frequency geophone are imported successively, are exported and be connected in series by high frequency cable at transmitter adjustments, constitute the failure detector circuit of transmitter this moment.
In above-mentioned overall technical architecture, i level, ii level radio-frequency amplifier and high frequency geophone are imported successively, are exported and be connected in series by high frequency cable, constitute the antenna feeder failure detector circuit.Under the enough situation of received power, then i level radio-frequency amplifier and high frequency geophone are imported successively, are exported and be connected in series by high frequency cable, constitute the antenna feeder failure detector circuit of this moment.
In above-mentioned overall technical architecture, I level, II level attenuator and III level adjustable attenuator are imported successively, are exported and be connected in series by high frequency cable, constitute the receiver failure detector circuit.In addition, in the duty of low-power shelves, then I level attenuator and III level adjustable attenuator are imported successively, are exported and be connected in series by high frequency cable at transmitter adjustments, constitute the receiver failure detector circuit of this moment.
The general detector technical scheme of the disclosed secondary radar of the utility model, transmitting of secondary radar decayed or amplify, and detection, according to rectified signal amplitude size, come rapid and precise judgement secondary radar that non-fault and abort situation are arranged.The technical program provides a kind of special testing instrument for secondary radar, and the secondary radar failure detection operations can fast and be easily implemented in the application of the technical program, has that cost is low, an easy operating, technical characterstic that detection accuracy is high.
Description of drawings
Fig. 1 is the parts composition frame chart of the general detector of secondary radar
Fig. 2 is that the parts that detect transmitter failure connect and compose figure, and dotted line parts wherein are for can economize parts
Fig. 3 is that the parts that detect secondary radar antenna oscillator fault connect and compose figure, and dotted line parts wherein are for can economize parts
Fig. 4 is that the parts that detect the receiver fault connect and compose figure, and dotted line parts wherein are for can economize parts.
Embodiment
The general detector of secondary radar of the present utility model, its structure constitutes as shown in Figure 1, its building block includes the I level and II level damping capacity is the attenuator of 30dB, a radio-frequency amplifier and the high frequency geophone that III level damping capacity adjustable attenuator, i level and ii gain per stage amount in 110dB is 20dB, and the input end of described each parts, output terminal are the connection termination that is used to connect high frequency cable.Above-mentioned attenuator selection work frequency is greater than the high frequency attenuator of 1100MHz, promptly greater than the frequency of operation of secondary radar; Also the selection work frequency is greater than the high frequency geophone of 1100MHz for high frequency geophone, and the ultimate value of its detecting circuit is greater than 10V; Described radio-frequency amplifier working band should be not less than between the 1000MHz to 1100MHz.
The emissive power of secondary radar output is 1KW, and a plurality of power-adjustable shelves are arranged, by artificial adjustment, with the aircraft of inquiry different distance.I level attenuator is connected in series with the input end of II level attenuator by high frequency cable B, II level attenuator is connected in series with the high frequency geophone input end by high frequency cable C, high frequency geophone is connected in oscillograph by cable G, the transmitter of secondary radar is connected in series with the input end of I level attenuator by cable H, constitute transmitter failure testing circuit as shown in Figure 2, when transmitter power is 1KW, transmitter can be decayed to 1W by I level 30dB attenuator, can be through II level 30dB attenuator with the 1W power attenuation to 1mw, this moment, its normal detecting circuit was about 0.2V, if it is bigger that detecting circuit departs from normal value, then show secondary radar emissions machine fault.When if transmitter uses less power shelves, then, finish the detection of transmitter output fault only by I level attenuator serial connection tremendously high frequency wave detector.
The high frequency cable E of i level radio-frequency amplifier is connected in series with the input end of ii level radio-frequency amplifier, the high frequency cable F of ii level radio-frequency amplifier is connected in series with the high frequency geophone input end, be connected to oscillograph again, then constituted antenna feeder failure detector circuit shown in Figure 3, wherein by single even half-wave dipole as test antenna, with it towards the secondary radar antenna, and make polarised direction identical, its cable A is connected in the input end of i level radio-frequency amplifier, envelope signal amplitude by the output of oscilloscope measurement high frequency geophone, if signal during than operate as normal envelope value reduce a lot, illustrate that then antenna feeder or transmitter have fault or poor efficiency.Under the enough situation of received power, the high frequency cable E of i level radio-frequency amplifier can directly be connected in series the input end of high frequency geophone, is realized the fault detect of antenna feeder by the one-level radio-frequency amplifier.
With the high frequency cable B of I level attenuator be connected in series with the input end of II level attenuator, the high frequency cable C of II level attenuator is connected in series with the input end of III level adjustable attenuator, the high frequency cable D of III level adjustable attenuator is connected in series the receiver inlet to secondary radar, the transmitter output cable H of secondary radar is connected in series with the input end of I level attenuator, constitute as shown in Figure 4 the secondary radar receiver or the receiver failure detector circuit of measuring receiver sensitivity.Wherein II level attenuator can save connection according to the large and small selection of output power of transmitter, by the output pulse amplitude of oscilloscope measurement receiver, is lower than normal value and then is fault or poor efficiency.When implementing the receiver sensitivity measurement, the damping capacity of adjusting this series circuit decays to about 0.01 μ μ W to receiver to 140dB with output power of transmitter 1KW, export with the oscilloscope measurement receiver, if signal output is arranged, then receiver sensitivity is normal, if no-output receiver poor efficiency then.
Claims (7)
1, the general detector of a kind of secondary radar, the building block that it is characterized in that this detector includes the I level and II level damping capacity is the attenuator of 30dB, a radio-frequency amplifier and the high frequency geophone that III level damping capacity adjustable adjustable attenuator, i level and ii gain per stage amount in 110dB is 20dB, and the input end of each building block, output terminal are equipped with high frequency cable and connect the termination.
2, the general detector of secondary radar according to claim 1 is characterized in that I level, II level attenuator and high frequency geophone imported successively, exported and be connected in series by high frequency cable, constitutes the transmitter failure testing circuit.
3, the general detector of secondary radar according to claim 2 is characterized in that I level attenuator and high frequency geophone imported successively, exported and be connected in series by high frequency cable, constitutes the transmitter failure testing circuit.
4, the general detector of secondary radar according to claim 1 is characterized in that i level, ii level radio-frequency amplifier and high frequency geophone imported successively, exported and be connected in series by high frequency cable, constitutes the antenna feeder failure detector circuit.
5, the general detector of secondary radar according to claim 4 is characterized in that i level radio-frequency amplifier and high frequency geophone imported successively, exported and be connected in series by high frequency cable, constitutes the antenna feeder failure detector circuit.
6, the general detector of secondary radar according to claim 1 is characterized in that I level, II level attenuator and III level adjustable attenuator imported successively, exported and be connected in series by high frequency cable, constitutes the receiver failure detector circuit.
7, the general detector of secondary radar according to claim 6 is characterized in that I level attenuator and III level adjustable attenuator imported successively, exported and be connected in series by high frequency cable, constitutes the receiver failure detector circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200145950U CN201421501Y (en) | 2009-06-12 | 2009-06-12 | Secondary radar universal detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200145950U CN201421501Y (en) | 2009-06-12 | 2009-06-12 | Secondary radar universal detector |
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|---|---|
| CN201421501Y true CN201421501Y (en) | 2010-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200145950U Expired - Fee Related CN201421501Y (en) | 2009-06-12 | 2009-06-12 | Secondary radar universal detector |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849706A (en) * | 2015-06-03 | 2015-08-19 | 祁欣 | Weather radar transmitter fault quick positioning and detecting method tool |
| CN105676195A (en) * | 2016-01-15 | 2016-06-15 | 四川九洲电器集团有限责任公司 | Debugging system for secondary radar receiver |
| CN106546845A (en) * | 2016-10-18 | 2017-03-29 | 四川九洲电器集团有限责任公司 | A kind of method of testing and test system of test transmitter unit |
| CN108549058A (en) * | 2018-02-28 | 2018-09-18 | 四川九洲电器集团有限责任公司 | Secondary radar broadband active phased array system and dynamic calibration method thereof |
| CN109407061A (en) * | 2017-12-29 | 2019-03-01 | 南京恩瑞特实业有限公司 | Secondary radar emissions machine debugs platform and method |
| CN112558025A (en) * | 2020-11-30 | 2021-03-26 | 四川九洲空管科技有限责任公司 | Secondary radar inquiry and response function detection equipment |
-
2009
- 2009-06-12 CN CN2009200145950U patent/CN201421501Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849706A (en) * | 2015-06-03 | 2015-08-19 | 祁欣 | Weather radar transmitter fault quick positioning and detecting method tool |
| CN105676195A (en) * | 2016-01-15 | 2016-06-15 | 四川九洲电器集团有限责任公司 | Debugging system for secondary radar receiver |
| CN106546845A (en) * | 2016-10-18 | 2017-03-29 | 四川九洲电器集团有限责任公司 | A kind of method of testing and test system of test transmitter unit |
| CN109407061A (en) * | 2017-12-29 | 2019-03-01 | 南京恩瑞特实业有限公司 | Secondary radar emissions machine debugs platform and method |
| CN108549058A (en) * | 2018-02-28 | 2018-09-18 | 四川九洲电器集团有限责任公司 | Secondary radar broadband active phased array system and dynamic calibration method thereof |
| CN108549058B (en) * | 2018-02-28 | 2022-05-13 | 四川九洲电器集团有限责任公司 | Secondary radar broadband active phased array system and dynamic calibration method thereof |
| CN112558025A (en) * | 2020-11-30 | 2021-03-26 | 四川九洲空管科技有限责任公司 | Secondary radar inquiry and response function detection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20100612 |