CN203658497U - Secondary radar column feed test board - Google Patents

Secondary radar column feed test board Download PDF

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Publication number
CN203658497U
CN203658497U CN201320849433.5U CN201320849433U CN203658497U CN 203658497 U CN203658497 U CN 203658497U CN 201320849433 U CN201320849433 U CN 201320849433U CN 203658497 U CN203658497 U CN 203658497U
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China
Prior art keywords
test
guide rail
flat board
testing
casing
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CN201320849433.5U
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Chinese (zh)
Inventor
张虹
张晓燕
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Nanjing Enruite Industrial Co Ltd
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Nanjing Enruite Industrial Co Ltd
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Priority to CN201320849433.5U priority Critical patent/CN203658497U/en
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Abstract

A secondary radar column feed test board comprises a vector network analyzer, testing racks, guide rails, flat plates, a testing box body and testing cables. The testing box body recesses inward and has a downward opening, a testing probe is located at the right middle of an inward recessed part and is placed in the testing box body, the upper part of a testing probe socket is a standard high-frequency socket and is placed outside the testing box body, and the lower part of the testing probe socket is placed in the testing box body and is fixedly connected with the testing probe. The bottom of the testing box body comprises two sliding track pairs matching the guide rails. The flat plates are provided with supports, outer sides of the supports are provided with locating blocks, indicating scale is printed on an outer side face of the guide rails, scale values of the indicating scale correspond to vibrator positions of tested column feeds, an outer side face of the testing box body is provide with a locating pointer, and the locating pointer and the indicating scale are located on the same side.

Description

Secondary radar row feedback test board
Technical field
The utility model relates to the field tests of secondary radar antenna, especially for the test board of secondary radar row feedback.
Background technology
Secondary radar antenna is large vertical bore array antenna, about 8m × the 2m of front size, 500kg left and right weighs, formed by vertically arranged 36 row feedbacks and additional device, every row feedback need be followed identical amplitude and phase relation, before secondary radar antenna assembling, due to the difference of every batch of row feedback raw materials, can there are some differences in the initial phase of the amplitude of different batches row feedback and PHASE DISTRIBUTION and row feedback, in the time that the row feedback differing greatly is assembled together, can cause antenna performance variation, even can not meet the technical requirement of antenna, under normal circumstances, the performance index that we adopt every row feedback of acquiescence are identical or in the scope of allowing, special purpose device is not to the every capable test of row feed, only have 36 row feedbacks to be assembled into after antenna, with antenna-specific test platform, antenna entirety is carried out the test of performance index, and antenna-specific test platform cannot be to the capable test of single row feed before antenna mount.
If be accidentally impacted in the use procedure of secondary radar antenna or the attack of hurricane, hail, thunder and lightning, can cause antenna to damage, and the damage that the damage of antenna is presented due to row often, but in reality, we often need to transport whole pair of antenna back producer and test, thereby have increased risk and the expense of dismounting, transport, installation.
Utility model content
Technical matters to be solved: provide secondary radar row feedback test board for above problem the utility model, before antenna mount, can test technical indicators such as the initial phases of the amplitude distribution of secondary radar row feedback, PHASE DISTRIBUTION and row feedback, reject underproof row feedback, realize the quality control of secondary radar row feedback; After secondary radar antenna is impaired, scene is pulled down row feedback and is detected by root, the row feedback that identification damages, and then change, avoid dismounting and the transport of whole pair of antenna, realize the on-site maintenance of secondary radar antenna.
Technical scheme: in order overcoming the above problems, to the invention provides secondary radar row feedback test board, to comprise vector network analyzer 2, testing jig 4, guide rail 3, flat board 5, test casing 1, test cable 7;
Described vector network analyzer 2 comprises signal input port 2-1 and signal output port 2-2;
Described testing jig 4 comprises two highly equal testing jigs 4;
Described guide rail 3 comprises two parallel guide rails, the first guide rail 3-1 and the second guide rail 3-2;
Described flat board 5 comprises at least four parallel flat boards, the first dull and stereotyped 5-1, the second dull and stereotyped 5-2, the 3rd dull and stereotyped 5-3, the plate 5-4 of Siping City;
Described test casing 1 is inner concave shape and Open Side Down, test probe 1-2 is positioned at the middle of female parts and is placed in test casing 1, the top of test probe socket 1-1 is standard high-frequency socket, be placed in outside test casing 1, the bottom of test probe socket 1-1 is placed in test casing 1 and is fixedly connected with test probe 1-2; Test casing 1 bottom comprises two secondary 1-3 of sliding rail that match with guide rail 3;
The first described guide rail 3-1 and the second guide rail 3-2 pass through the first dull and stereotyped 5-1, the second dull and stereotyped 5-2, and the 3rd dull and stereotyped 5-3, the plate 5-4 of Siping City is connected;
The first described dull and stereotyped 5-1, the second dull and stereotyped 5-2, the 3rd dull and stereotyped 5-3, the plate 5-4 of Siping City is fixedly connected with the below of guide rail 3 successively, on the second dull and stereotyped 5-2 and the 3rd dull and stereotyped 5-3, be respectively equipped with a support 8 and have at least support 8 outsides to be provided with the dull and stereotyped 5-1 of locating piece 9, the first and the plate 5-4 of Siping City the end that is fixedly connected with and is positioned at respectively guide rail 3 with two testing jigs 4;
Described signal input port 2-1 is connected by test cable 7 with test probe socket 1-1; Signal output port 2-2 is connected by test cable 7 with total port of survey row feedback.
The first described guide rail 3-1 or the second guide rail 3-2 lateral surface are printed indicating graduation 6, and the scale value of indicating graduation 6 is corresponding with the oscillator position of survey row feedback.
Test casing 1 lateral surface is provided with positioning pointer 1-4, and positioning pointer 1-4 and indicating graduation 6 are positioned at homonymy.
The axis of symmetry of positioning pointer 1-4 and test probe 1-2 vertical direction is parallel and be positioned at same plane, and this plane is parallel with the inner concave of test casing.
In test casing 1, fill absorbing material.
Beneficial effect:
1. before antenna mount, can test the technical indicator of secondary radar row feedback, survey amplitude peak and the phase propetry of each oscillator in row feedback by test, just can record amplitude and the phase propetry of each oscillator distribution arrangement in row feedback, obtain the amplitude of row feedback and the initial phase of phase place broken line distribution plan and row feedback, thereby reject underproof row feedback, realize the quality control of secondary radar row feedback.
2. after secondary radar antenna is impaired, scene is pulled down row feedback and is detected by root, the row feedback that identification damages, and then change, avoid dismounting and the transport of whole pair of antenna, realize the on-site maintenance of secondary radar antenna.
3. in test casing, fill absorbing material, can reduce the impact of surrounding environment on test result on the one hand, reduce on the other hand the radiation hazard of test signal to tester.
4. support can be fixed tested row feedback, makes row feedback keep stable erectility.
5. locating piece ensures position relationship fixing between tested row feedback and test board.
6. in the time of test, be as the criterion and determine the position of bit test probe, be provided with parallel with test probe in the external side of test box and be positioned at conplane positioning pointer, be provided with indicating graduation at guide rail lateral surface, the scale value of indicating graduation is corresponding with the oscillator position of survey row feedback, when positioning pointer is alignd with indicating graduation, test probe just aligns with the oscillator in row feedbacks, tested be exactly this scale value amplitude and the phase propetry of corresponding oscillator.
Brief description of the drawings
Fig. 1 is secondary radar row feedback test board general structure schematic diagram.
Fig. 2 is secondary radar row feedback test board plan structure schematic diagram.
Fig. 3 is secondary radar row feedback testing board body structure schematic diagram.
Fig. 4 is the partial enlarged drawing of locating piece.
Fig. 5 is the partial enlarged drawing of support.
Embodiment
Below in conjunction with Figure of description, the invention will be further described.
Embodiment
As shown in Figures 1 to 5, secondary radar row feedback test board, comprises vector network analyzer, testing jig, guide rail, flat board, test casing, test cable;
Described vector network analyzer comprises signal input port and signal output port;
Described testing jig comprises two highly equal testing jigs;
Described guide rail comprises two parallel guide rails, the first guide rail and the second guide rail;
Described flat board comprises at least four parallel flat boards, the first flat board, the second flat board, the 3rd flat board, Siping City's plate;
Described test casing is inner concave shape and Open Side Down, test probe is positioned at the middle of female parts and is placed in test casing, the top of test probe socket is standard high-frequency socket, be placed in test box external, the bottom of test probe socket is placed in test casing and is fixedly connected with test probe; Test bottom half comprises two sliding rail pairs that match with guide rail;
The first described guide rail and the second guide rail pass through the first flat board, the second flat board, and the 3rd flat board, Siping City's plate is connected;
The first described flat board, the second flat board, the 3rd flat board, Siping City's plate is fixedly connected with the below of guide rail successively, on the second dull and stereotyped and the 3rd flat board, be respectively equipped with a support and have at least a support outside to be provided with locating piece, the first flat board and Siping City's plate are fixedly connected with and are positioned at respectively the end of guide rail with two testing jigs;
Described signal input port is connected by test cable with test probe socket; Signal output port is connected by test cable with total port of survey row feedback.
The first described guide rail or the second guide rail lateral surface are printed indicating graduation, and the scale value of indicating graduation is corresponding with the oscillator position of survey row feedback.
The external side of test box is provided with positioning pointer, and positioning pointer and indicating graduation are positioned at homonymy.
The axis of symmetry of positioning pointer and test probe vertical direction is parallel and be positioned at same plane, and this plane is parallel with the inner concave of test casing.
In test casing, fill absorbing material.
The signal output port of vector network analyzer is connected with total port of row feedback, inject test signal, the signal input port of vector network analyzer is connected with test probe socket, receive the signal that row feedback is launched, test probe is moved along the oscillator orientation of row feedback, just can measure amplitude, the PHASE DISTRIBUTION of row feedback along oscillator orientation output signal.
In the time that positioning pointer is pointed to scale value 5, the test probe in test casing just aligns with the oscillator 5 of row feedback, and what survey is exactly amplitude peak and the phase propetry of oscillator 5.
According to the characteristic of vector network analyzer, the position of popping one's head in by mobile test, when test, record 1 amplitude and phase value in each oscillator position, just can record amplitude and the phase propetry of each oscillator distribution arrangement in row feedback, if the row feedback of surveying has 11 oscillators, adopt continuous sampling from the end to end of row feedbacks, just can obtain level and smooth row feedback amplitude and PHASE DISTRIBUTION curve, 11 groups of data that 11 oscillators record just can obtain and be listed as amplitude and the phase place broken line distribution plan presented.

Claims (2)

1. secondary radar row feedback test board, comprise vector network analyzer (2), described vector network analyzer (2) comprises signal input port (2-1) and signal output port (2-2), it is characterized in that, also comprise: testing jig (4), guide rail (3), dull and stereotyped (5), test casing (1), test cable (7);
Described testing jig (4) comprises two highly equal testing jigs (4);
Described guide rail (3) comprises two parallel guide rails, the first guide rail (3-1) and the second guide rail (3-2)
Described flat board (5) comprises at least four parallel flat boards, the first flat board (5-1), the second flat board (5-2), the 3rd flat board (5-3), Siping City's plate (5-4);
Described test casing (1) is inner concave shape and Open Side Down, test probe (1-2) is positioned at the middle of female parts and is placed in test casing (1), the top of test probe socket (1-1) is standard high-frequency socket, be placed in outside test casing (1), the bottom of test probe socket (1-1) is placed in test casing (1) and is fixedly connected with test probe (1-2); Test casing (1) bottom comprises two the sliding rail pairs (1-3) that match with guide rail (3);
Described the first guide rail (3-1) and the second guide rail (3-2) pass through the first flat board (5-1), the second flat board (5-2), and the 3rd flat board (5-3), Siping City's plate (5-4) is connected;
Described the first flat board (5-1), the second flat board (5-2), the 3rd flat board (5-3), Siping City's plate (5-4) is fixedly connected with the below of guide rail (3) successively, on the second flat board (5-2) and the 3rd flat board (5-3), be respectively equipped with a support (8) and have at least a support (8) outside to be provided with locating piece (9), the first flat board (5-1) and Siping City's plate (5-4) are fixedly connected with and are positioned at respectively the end of guide rail (3) with two testing jigs (4);
Described signal input port (2-1) is connected by test cable (7) with test probe socket (1-1); Signal output port (2-2) is connected by test cable (7) with total port of survey row feedback;
Described the first guide rail (3-1) or the second guide rail (3-2) lateral surface are printed indicating graduation (6), and the scale value of indicating graduation (6) is corresponding with the oscillator position of survey row feedback;
Test casing (1) lateral surface is provided with positioning pointer (1-4), and positioning pointer (1-4) is positioned at homonymy with indicating graduation (6);
The axis of symmetry of positioning pointer (1-4) and test probe (1-2) vertical direction is parallel and be positioned at same plane, and this plane is parallel with the inner concave of test casing.
2. secondary radar row feedback test board according to claim 1, is characterized in that, fills absorbing material in test casing (1).
CN201320849433.5U 2013-12-20 2013-12-20 Secondary radar column feed test board Active CN203658497U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320849433.5U CN203658497U (en) 2013-12-20 2013-12-20 Secondary radar column feed test board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320849433.5U CN203658497U (en) 2013-12-20 2013-12-20 Secondary radar column feed test board

Publications (1)

Publication Number Publication Date
CN203658497U true CN203658497U (en) 2014-06-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320849433.5U Active CN203658497U (en) 2013-12-20 2013-12-20 Secondary radar column feed test board

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105425827A (en) * 2015-11-05 2016-03-23 中国船舶重工集团公司第七二四研究所 Auxiliary positioning device and method for adjustable radar feed source

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105425827A (en) * 2015-11-05 2016-03-23 中国船舶重工集团公司第七二四研究所 Auxiliary positioning device and method for adjustable radar feed source
CN105425827B (en) * 2015-11-05 2018-05-15 中国船舶重工集团公司第七二四研究所 A kind of adjustable radar feed auxiliary locator and method

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