CN203720276U - System for testing anti-interference antenna of satellite receiver - Google Patents
System for testing anti-interference antenna of satellite receiver Download PDFInfo
- Publication number
- CN203720276U CN203720276U CN201320832356.2U CN201320832356U CN203720276U CN 203720276 U CN203720276 U CN 203720276U CN 201320832356 U CN201320832356 U CN 201320832356U CN 203720276 U CN203720276 U CN 203720276U
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- potato masher
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Abstract
The utility model relates to a system for testing an anti-interference antenna of a satellite receiver. Eight groups of interference antennas form an antenna array, and the receiver antenna to be tested is placed at the center of the antenna array. A test control computer is connected to signal sources and a RF switching relay controller. The computer controls four RF changeover switches, and every two of the eight groups of interference antennas and one of the signal sources are switched by one of the RF changeover switches. A RF signal channel of each group of interference antennas includes three transmission branches, and two relay contacts are used as changeover switches respectively to control connections between the three transmission branches and the RF signal channels. The system sets parameters on the basis of the technical requirements of the product to be tested to form a test scenario. The beneficial effects are that the RF switching relay controller controls four RF changeover switches, and relays achieve 8 by 3 by 4 kinds of test combinations, so that there is no need for repetitive erection of antenna poles or reconnection of cables. Thus test time is reduced, the test efficiency and test data accuracy are improved, the labor intensity of testers is lowered, and the system is creative and practical.
Description
Technical field
The utility model relates to electronic product production test field, particularly a kind of satellite receiver anti-interference antenna test macro.
Background technology
The ability of satellite navigation receiver antenna withstand disturbance is to weigh an important indicator of receiver antenna.Present stage antenna outdoor scene test or the more original method of employing.Be that every signal source connects one group of antenna element by cable, put diverse location as requested by tester by one to many group antennas, the bar that erects a television antenna, reconnects cable, and regulates antenna height to change directivity angle.Another tester is responsible for setting, changes the parameter of many signal sources.The 3rd people is responsible for measuring and records receiver test data.Needs of the whole positions of antenna (azimuth position number X elevation location number X signal source number) test five to ten days, trivial operations, easily makes mistakes, and no matter in freezing winter and in sultry summer, tester's work under bad environment.
Summary of the invention
The purpose of this utility model is exactly for overcoming the deficiencies in the prior art, is the needs that adapt to large-scale production, reduces the test duration, reduces the dependence of instrument parameter to tester is set, and reduces operating personnel's probability of makeing mistakes.Improve the accuracy of test data.And save data is managed Data support is provided for the quality of production.Reduce tester's labour intensity simultaneously.Need to develop a kind of satellite receiver anti-interference antenna test macro and solve the deficiencies in the prior art.
The utility model is to realize by such technical scheme: a kind of satellite receiver anti-interference antenna test macro, it is characterized in that, system comprises that test control computing machine, four signal sources, eight groups of potato masher antennas, radio frequency converting switch, RS232 turn 485 modules, radio frequency transfer relay controller, wire casing, radio-frequency cable and tested receiving antenna;
Potato masher antenna is made up of mast and antenna element; On each mast, there are three antenna elements;
Form antenna array by eight groups of potato masher antennas, eight masts, the 45 ° of circumferential arrangement of being separated by, tested receiving antenna is positioned over antenna array central authorities;
Computing machine is controlled in test and four signal sources are arranged in 19 inch standard cabinets, and standard cabinet is arranged on equipment room; The radio frequency of antenna array, control, data cable are pooled to wire casing and introduce between access arrangement, are connected with test control computing machine (1) and signal source;
Test control computing machine turns 485 modules by RS232 and is connected with signal source;
Test is controlled computing machine and is connected radio frequency transfer relay controller by RS232 interface;
Radio frequency transfer relay controller is by four radio frequency converting switchs of radio frequency transfer relay control bus control, and each radio frequency converting switch is made up of a relay;
The common port of relay and the RF signal end of signal source that form radio frequency converting switch are connected, and normal-closed end connects the RF signalling channel input end of one group of potato masher antenna, and Chang Kaiduan connects the RF signalling channel input end of another group potato masher antenna; The RF signal end of every two groups of potato masher antenna RF signalling channel input ends and signal source is controlled and is switched by a radio frequency converting switch;
In the RF signalling channel of every group of potato masher antenna, comprise three transmitting branches, the output terminal of each transmitting branch connects an antenna element; Respectively by two relay contacts as change-over switch, control being connected and disconnection of three transmitting branches and RF signalling channel;
The test control computing machine modulation system that technical requirement provides according to test product, signal intensity are set the emission state of each antenna element in eight groups of potato masher antennas, form a test scene.
The beneficial effects of the utility model: system realizes 8 × 3 × 4 kinds of test combinations by the control of radio frequency transfer relay control bus four radio frequency converting switchs, relays, 1, without repeating the bar that erects a television antenna, reconnect cable, save the test duration, four signal source change parameters, calculate and exclude line loss, and judgement, record test data are completed by computing machine, only use the test duration of original part, testing efficiency improves nearly ten times.2. reduce tester's labour intensity, in the situation that test combination is fixing, operating personnel participate in while only needing to change test product, and remaining work completes by test macro.Under atrocious weather condition, still can work on.3. improve the accuracy of test data, instrument control, cable waste bias is set, collection, the record of test data file and complete by computing machine, discharge the personal error of being introduced by operating personnel, overcome the deficiencies in the prior art, creative and practical value.
Brief description of the drawings
Accompanying drawing 1, satellite receiver anti-interference antenna test principle block diagram;
Accompanying drawing 2, satellite receiver anti-interference antenna test macro schematic diagram;
In figure: 1. control computing machine, 2. signal source, 3. potato masher antenna, 4. radio frequency converting switch, 5. RS232 turns 485 modules, and 6, radio frequency transfer relay controller, 7. wire casing, 8. radio-frequency cable, 9. tested receiving antenna, 301. masts, 302. antenna elements.
Embodiment
Understand the utility model for clearer, describe in conjunction with the accompanying drawings and embodiments the utility model in detail:
As shown in Figure 1 and Figure 2, satellite receiver anti-interference antenna test macro, system comprises that computing machine 1, four signal sources 2 are controlled in test, eight groups of potato masher antennas 3, radio frequency converting switch 4, RS232 turn 485 modules 5, radio frequency transfer relay controller 6, wire casing 7, radio-frequency cable 8 and tested receiving antenna 9;
Potato masher antenna 3 is made up of mast 301 and antenna element 302; On each mast 301, there are three antenna elements 302;
Form antenna array by eight groups of potato masher antennas 3, eight masts 301, the 45 ° of circumferential arrangement of being separated by, tested receiving antenna 9 is positioned over antenna array central authorities;
Computing machine 1 is controlled in test and four signal sources 2 are arranged in 19 inch standard cabinets, and standard cabinet is arranged on equipment room; The radio frequency of antenna array, control, data cable are pooled to wire casing 7 and introduce between access arrangement, are connected with test control computing machine 1 and signal source 2;
Test control computing machine 1 turns 485 modules 5 by RS232 and is connected with signal source 2;
Test is controlled computing machine 1 and is connected radio frequency transfer relay controller 6 by RS232 interface;
Radio frequency transfer relay controller 6 is by four radio frequency converting switchs 4 of radio frequency transfer relay control bus control, and each radio frequency converting switch 4 is made up of a relay;
The common port of relay and the RF signal end of signal source 2 that form radio frequency converting switch 4 are connected, normally closed
End connects the RF signalling channel input end of one group of potato masher antenna 3, and Chang Kaiduan connects the RF signalling channel input end of another group potato masher antenna 3; The RF signal end of every two groups of potato masher antenna 3RF signalling channel input ends and signal source 2 is used for controlling and switching by a radio frequency converting switch 4;
In the RF signalling channel of every group of potato masher antenna 3, comprise three transmitting branches, the output terminal of each transmitting branch connects an antenna element 302; Respectively by two relay contacts as change-over switch, control being connected and disconnection of three transmitting branches and RF signalling channel;
Test control computing machine 1 modulation system that technical requirement provides according to test product, signal intensity are set the emission state of each antenna element 302 in eight groups of potato masher antennas 3, form a test scene,
Eight groups of potato masher antennas 3 successively by first group, second group ... the order of the 8th group, the 45 ° of circumferential arrangement of being separated by, wherein first group and the 5th group, second group and the 6th group, the 3rd group and the 7th group, the 4th group and a 8th group of respectively corresponding radio frequency converting switch 4, be used for switching two groups of potato masher antennas 3 of correspondence and the RF signal end connecting path of signal source 2.
Form 8 × 3 × 4 kinds of test combinations by eight groups of potato masher antennas 3.
According to the above description, can realize scheme of the present utility model in conjunction with art technology.
Claims (2)
1. a satellite receiver anti-interference antenna test macro, it is characterized in that, system comprises that test control computing machine (1), four signal sources (2), eight groups of potato masher antennas (3), radio frequency converting switch (4), RS232 turn 485 modules (5), radio frequency transfer relay controller (6), wire casing (7), radio-frequency cable (8) and tested receiving antenna (9);
Potato masher antenna (3) is made up of mast (301) and antenna element (302); On each mast (301), there are three antenna elements (302);
Form antenna array by eight groups of potato masher antennas (3), eight masts (301), the 45 ° of circumferential arrangement of being separated by, tested receiving antenna (9) is positioned over antenna array central authorities;
Computing machine (1) is controlled in test and four signal sources (2) are arranged in 19 inch standard cabinets, and standard cabinet is arranged on equipment room; The radio frequency of antenna array, control, data cable are pooled to wire casing (7) and introduce between access arrangement, are connected with test control computing machine (1) and signal source (2);
Test control computing machine (1) turns 485 modules (5) by RS232 and is connected with signal source (2);
Test is controlled computing machine (1) and is connected radio frequency transfer relay controller (6) by RS232 interface;
Radio frequency transfer relay controller (6) is by radio frequency transfer relay control bus four radio frequency converting switchs of control (4), and each radio frequency converting switch (4) is made up of a relay;
The common port that forms the relay of radio frequency converting switch (4) is connected with the RF signal end of signal source (2), normal-closed end connects the RF signalling channel input end of one group of potato masher antenna (3), and Chang Kaiduan connects the RF signalling channel input end of another group potato masher antenna (3); The RF signal end of every two groups of potato masher antennas (3) RF signalling channel input end and signal source (2) is used for controlling and switching by a radio frequency converting switch (4);
In the RF signalling channel of every group of potato masher antenna (3), comprise three transmitting branches, the output terminal of each transmitting branch connects an antenna element (302); Respectively by two relay contacts as change-over switch, control being connected and disconnection of three transmitting branches and RF signalling channel;
Test control computing machine (1) modulation system that technical requirement provides according to test product, signal intensity are set the emission state of each antenna element (302) in eight groups of potato masher antennas (3), form a test scene.
2. a kind of satellite receiver anti-interference antenna test macro as claimed in claim 1, it is characterized in that, eight groups of potato masher antennas (3) successively by first group, second group ... the order of the 8th group, the 45 ° of circumferential arrangement of being separated by, wherein first group and the 5th group, second group and the 6th group, the 3rd group and the 7th group, the 4th group and a 8th group of respectively corresponding radio frequency converting switch (4), be used for switching corresponding two groups of potato masher antennas (3) and the RF signal end connecting path of signal source (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320832356.2U CN203720276U (en) | 2013-12-17 | 2013-12-17 | System for testing anti-interference antenna of satellite receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320832356.2U CN203720276U (en) | 2013-12-17 | 2013-12-17 | System for testing anti-interference antenna of satellite receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203720276U true CN203720276U (en) | 2014-07-16 |
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ID=51159417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320832356.2U Withdrawn - After Issue CN203720276U (en) | 2013-12-17 | 2013-12-17 | System for testing anti-interference antenna of satellite receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203720276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698631B (en) * | 2013-12-17 | 2016-06-08 | 天津七六四通信导航技术有限公司 | DVB anti-interference antenna test system |
| CN105872162A (en) * | 2015-04-10 | 2016-08-17 | 深圳市通用测试系统有限公司 | Wireless terminal testing system and microwave darkroom |
-
2013
- 2013-12-17 CN CN201320832356.2U patent/CN203720276U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698631B (en) * | 2013-12-17 | 2016-06-08 | 天津七六四通信导航技术有限公司 | DVB anti-interference antenna test system |
| CN105872162A (en) * | 2015-04-10 | 2016-08-17 | 深圳市通用测试系统有限公司 | Wireless terminal testing system and microwave darkroom |
| CN105872162B (en) * | 2015-04-10 | 2019-05-14 | 深圳市通用测试系统有限公司 | The test macro and microwave dark room of wireless terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |