CN205643543U - 24 probe near field antenna test system - Google Patents
24 probe near field antenna test system Download PDFInfo
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- CN205643543U CN205643543U CN201620222010.4U CN201620222010U CN205643543U CN 205643543 U CN205643543 U CN 205643543U CN 201620222010 U CN201620222010 U CN 201620222010U CN 205643543 U CN205643543 U CN 205643543U
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Abstract
The utility model discloses a 24 probe near field antenna test system, test system software carrier, 24 probe near field antenna test equipment of a plurality of, 24 probe near field antenna test equipment include base, support, metal arch ring, electronic box, locate metal arch ring 24 inboard probes and embrace poles, embrace a pole lower extreme and pass the metal arch ring and is connected with the revolving stage, and the probe includes that 23 probes that have a double polarization ultra wide band characteristic and 1 arrange intra -annular reference in and pops one's head in. The utility model discloses efficiency of software testing can improve more than 43 times, is showing to have promoted efficiency of software testing, and its efficiency of software testing is high, need not to sacrifice the sampling precision, and the measuring accuracy has apparent advantage, in addition, need not manual switchings test instrument, and the automatic switch -over instrument is operated the convenience and is obviously promoted.
Description
Technical field
This utility model relates to Antenna testing system, more particularly, it relates to a kind of antenna active and 24 probe near field antenna test systems of non-source test.
Background technology
The fast development of mobile communication has promoted the R&D work of antenna, domestic occur in that some produce per year antennas reach millions of, kind reach hundreds of more than enterprise.The speed of antenna measurement has become as the bottleneck of the Corporation R & D progress of work.
Traditional single probe antenna test system, in test tested antenna must before a single probe Two Dimensional Rotating, to guarantee the field surrounding this tested antenna on a sphere.Owing to this Two Dimensional Rotating needs to take considerable time, causing test system and test inefficiency of singly popping one's head in, meanwhile, the probability that the test problem that the extrinsic factor such as the testing time is the longest by environmental change, instrument unstability cause occurs is the highest.
Disadvantages described above, is worth solving.
Summary of the invention
In order to overcome the deficiency of existing technology, this utility model provides a kind of 24 probe near field antenna test systems.
Technical solutions of the utility model are as described below:
A kind of 24 probe near field antenna test systems, several Multi probe near field antenna test equipment that testing system software carrier is connected through active switching device with testing system software carrier, it is characterized in that, described Multi probe near field antenna test equipment is 24 probe near field antenna test equipment；
Described 24 probe near field antenna test equipment include base, the metal arch ring, the independent electronic box that are fixed on described base through support, are located at inside described metal arch ring by 15 degree equally distributed 24 probes in interval and are placed in the pole in 30 degree of spaces, and described pole lower end passes described metal arch ring and is connected with turntable；
Described probe includes 23 probes with dual polarization ultra broadband characteristic and 1 reference probe being placed in ring；
Described turntable includes electric rotating machine and the mobile motor that goniometer, guide rail, the horizontal revolving stage be located on guide rail be connected with horizontal revolving stage, wherein, described horizontal revolving stage includes inner core and shell, described inner core rotates at horizontal plane, described shell is fixed on described guide rail and moves left and right, and described electric rotating machine is connected with described inner core, drives described horizontal revolving stage to rotate at horizontal plane, described mobile motor is connected with described shell, drives horizontal revolving stage to move left and right on guide rail.
Further, described testing system software carrier is connected with described active switching device through vector network analyzer or wireless telecommunications instrument.
Further, described test software carrier is general commercial computer or special-purpose computer.
Further, described guide rail is arc surfaced so that this movement is converted into when described horizontal revolving stage moves left and right measured object and is being perpendicular to the Plane Rotation of horizontal plane.
Further, the left and right edges position of described guide rail is respectively equipped with turntable exception-triggered switch.
Further, described pole upper ends object stage, described object stage carrying measured object makes described measured object be in described metal arch ring center.
Further, described object stage is cylindricality or hemispherical.
Further, described metal arch ring is the annular spliced by four parts, being provided with suction ripple inside described metal arch ring cotton, described suction ripple is cotton to be wrapped up described metal arch ring entirety, and described probe stretches out from described suction ripple cotton tapping respectively and points to described metal arch ring center.
Further, described suction ripple cotton is that U-shaped suction ripple is cotton or pyramid type inhales ripple cotton.
Further, power module, reception amplifier, emission amplifier and the transmission switching device controlling device and being connected with described control device it is provided with in described electronic box.
Further, being additionally provided with the probe being connected with described probe and select unit in described electronic box, described probe selects unit to be connected with described control device.
Further, described probe selects unit to be several multipath high-speed electrical switches, can select corresponding described probe and polarization by controlling described multipath high-speed electrical switch and open, closing different path.
This utility model according to such scheme, it has the beneficial effects that, this utility model testing efficiency can improve more than 43 times in theory, 360 degree of dual polarization ultra broadband linear transducer arrays surrounding measured object are set in measured object periphery, replacing slow mechanical to scan by swift electron scanning, measured object only needs one-dimensional rotation i.e. to can determine that the field on the sphere surrounding this tested antenna.This utility model has been obviously improved testing efficiency, and the field of measured object is described sampling number is 2208, and this process needs turntable turned position to change 2 times, each revolving table position turntable angular turn 11 times.This utility model testing efficiency is high, it is not necessary to sacrificing sampling precision, measuring accuracy has significant advantage.This utility model is without manual switching test instrunment, automatic switchover instrument, and operation ease is obviously improved.
Accompanying drawing explanation
Fig. 1 is this utility model system architecture diagram；
Fig. 2 is that this utility model carries U-shaped suction ripple cotton structure schematic diagram；
Fig. 3 is that this utility model carries pyramid type suction ripple cotton structure schematic diagram；
Fig. 4 is this utility model electric box structure schematic diagram；
Fig. 5 is this utility model turntable main TV structure figure；
Fig. 6 is this utility model turntable three-dimensional structure diagram；
Fig. 7 is this utility model subject table embodiment one structural representation；
Fig. 8 is this utility model subject table embodiment two structural representation.
In the drawings, 1, metal arch ring；2, support；3, U-shaped suction ripple is cotton；4, probe；5, pole；6, base；7, goniometer；8, mobile motor；9, switch is triggered；10, guide rail；11, horizontal revolving stage；12, electric rotating machine；13, electronic box；14, pyramid type inhales ripple cotton.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is conducted further description by embodiment:
As Figure 1-3, a kind of 24 probe near field antenna test systems, several the 24 probe near field antenna test equipment being connected through active switching device with testing system software carrier including testing system software carrier, testing system software carrier controls to be connected with active switching device through vector network analyzer or wireless telecommunications instrument.
24 probe near field antenna test equipment include base 6, the metal arch ring 1, the independent electronic box 13 that are fixed on base 6 through support 2, are located at inside metal arch ring 1 by 15 degree equally distributed probes 4 in interval and pole 5, pole 5 lower end is connected through metal arch ring 1 with turntable, and probe 4 includes that 23 probes with dual polarization ultra broadband characteristic add 1 reference probe.
As shown in Figure 4, interconnective control device, power module, reception amplifier, emission amplifier and transmission switching device it are provided with in electronic box 13.Electronic box be integrated with power supply conversion, rotate control, receive signal amplify, launch signal amplify, transmission switching, probe control function.It is additionally provided with in electronic box 13 and the probe that is connected of popping one's head in selects unit, probe to select unit core to be multiple multipath high-speed electrical switches, can select to pop one's head in accordingly 4 and polarization by controlling multipath high-speed electrical switch and open, close different path.Probe switch unit and probe 4 are connected by radio frequency coaxial cables.Transmission handoff functionality is to be realized by multiple controlled switches, can switch transmitting and receiving path.
Testing system software carrier is ordinary PC or special-purpose computer, and software carrier testing results software completion system each module (including instrument) control, data acquisition, data process.Vector network analyzer, radio communication instrument are connected to testing system software carrier by standard interface (supporting GPIB and network interface), are connected to active switching device by radio frequency interface.Active switching device passes through radio-frequency cable and emission amplifier, and reception amplifier connects, it is achieved different test contents.
Controlling device be connected to testing system software carrier and be controlled by testing system software carrier, controlling device major function is that the order sent by software is converted to logic level control speed-sensitive switch.Control device be connected to transmit switching device, probe select unit, active switching device, and control transmit switching device switching launch and receiving path, probe select unit speed-sensitive switch and switching probe, active switching device switching different 24 pop one's head near field antenna test equipment.Control device and also control electric machine rotation.The switching command transmission that software is sent by transmission switching device is transmitted to motor to active switching device etc., the motor control instruction sent by software.Transmission switching device is controlled electrical switch.
As seen in figs. 5-6, turntable includes electric rotating machine 12 and the mobile motor 8 that goniometer 7, guide rail 10, the horizontal revolving stage 11 be located on guide rail 10 be connected with horizontal revolving stage 11.Horizontal revolving stage 11 includes inner core (not shown) and shell (not shown), inner core rotates at horizontal plane, shell is fixed on guide rail 10 and moves left and right, electric rotating machine 12 is connected with the inner core of horizontal revolving stage 11, horizontal revolving stage 11 is driven to rotate at horizontal plane, mobile motor 8 is connected with horizontal revolving stage 11 shell, drives horizontal revolving stage 11 to move left and right on guide rail 10.
Preferably, metal arch ring 1 is the annular spliced by four parts.Being provided with suction ripple inside metal arch ring 1 cotton, suction ripple cotton is by overall for metal arch ring 1 parcel to eliminate the metal arch ring 1 reflection to electromagnetic wave, and probe 4 stretches out from suction ripple cotton tapping and points to metal arch ring 1 center respectively.Preferably, inhaling ripple cotton is U-shaped suction ripple cotton 3 or pyramid type suction ripple cotton 14.
Preferably, pole 5 upper ends object stage, object stage can carry measured object makes measured object be in metal arch ring 1 center.As Figure 7-8, object stage can be cylindricality or hemispherical.
Preferably, guide rail 10 is arc surfaced, this movement is converted into when turntable 11 can be made to move left and right measured object and is being perpendicular to the Plane Rotation of horizontal plane.
Additionally, the left and right edges position of guide rail 10 further respectively has turntable exception-triggered switch 9, switch 9 can be triggered when causing turntable 11 left-right rotation amplitude excessive if as cause specific, exception-triggered switch is triggered when turning occurred in turntable, system emergency stops, motor emergent stopping, it is to avoid pole bumps against other assemblies and causes damage.
In the present embodiment, its function of vector network analyzer is to realize passive measurement, the equipment that optional Anjelen Sci. & Tech. Inc produces, it is possible to select the equipment being equipped with gpib interface that other companies produce；Its function of radio communication instrument is to realize active measurement, the equipment that optional Anjelen Sci. & Tech. Inc produces, it is possible to select that other companies produce equipped with gpib interface or the equipment of network interface.
Workflow is: installation system test software computer testing results software, all instructions for as if instrument and control device.Controlling to control active switching device after device receives switching instrument instructions selects corresponding instrument to connect into system.Control after device receives transmission switching command, to control transmission switching device to select to exhale transmission direction mutually.Start test system and test software is sent to control device and instrument, control test process by each middle instruction of test process.Test process terminates rear system test software by calculating corresponding test result.
This utility model system specific implementation process is:
Testing system software carrier passes through testing results software, and control system hardware is scanned in the space of 3～10 wave-length coverages.Scanning result is discrete point.These discrete numerical value contain range value and phase value, constitute the description of near-field signals amplitude and PHASE DISTRIBUTION.The arithmetic section of test software uses strict mode expansion K-theoretic operation K to obtain surrounding the description in the far field in measured object space, and this description to far field includes the information such as TRP, TIS, efficiency, gain, directional diagram.
This utility model use spherical scanning near-field measurement technique, measurement to the sphere that initial data is signal near field amplitude and phase place distribution describe.
This utility model sets 360 degree of dual polarization ultra broadband linear transducer arrays surrounding measured object in measured object periphery, replaces slow mechanical to scan by swift electron scanning.Measured object only needs one-dimensional rotation i.e. to can determine that the field on the sphere surrounding this tested antenna.Testing efficiency can improve more than 43 times in theory.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted, and all these modifications and variations all should be belonged to the protection domain of this utility model claims.
Above in conjunction with accompanying drawing, this utility model patent is carried out exemplary description; obviously the realization of this utility model patent is not subject to the restrictions described above; if the various improvement that the method design that have employed this utility model patent is carried out with technical scheme; or the most improved design by this utility model patent and technical scheme directly apply to other occasion, all in protection domain of the present utility model.
Claims (10)
1. a probe near field antenna test system, several Multi probe near field antenna test equipment that testing system software carrier is connected through active switching device with testing system software carrier, it is characterized in that, described Multi probe near field antenna test equipment is 24 probe near field antenna test equipment；
Described 24 probe near field antenna test equipment include base, the metal arch ring, the independent electronic box that are fixed on described base through support, are located at inside described metal arch ring by 15 degree equally distributed 24 probes in interval and are placed in the pole in 30 degree of spaces, and described pole lower end passes described metal arch ring and is connected with turntable；
Described probe includes 23 probes with dual polarization ultra broadband characteristic and 1 reference probe being placed in ring；
Described turntable includes electric rotating machine and the mobile motor that goniometer, guide rail, the horizontal revolving stage be located on guide rail be connected with horizontal revolving stage, wherein, described horizontal revolving stage includes inner core and shell, described inner core rotates at horizontal plane, described shell is fixed on described guide rail and moves left and right, and described electric rotating machine is connected with described inner core, drives described horizontal revolving stage to rotate at horizontal plane, described mobile motor is connected with described shell, drives horizontal revolving stage to move left and right on guide rail.
24 probe near field antenna test systems the most according to claim 1, it is characterised in that described testing system software carrier is connected with described active switching device through vector network analyzer or wireless telecommunications instrument.
24 probe near field antenna test systems the most according to claim 1, it is characterised in that described guide rail is arc surfaced so that this movement is converted into when described horizontal revolving stage moves left and right measured object and is being perpendicular to the Plane Rotation of horizontal plane.
24 probe near field antenna test systems the most according to claim 1, it is characterised in that the left and right edges position of described guide rail is respectively equipped with turntable exception-triggered switch.
24 probe near field antenna test systems the most according to claim 1, it is characterised in that described pole upper ends object stage, described object stage carrying measured object makes described measured object be in described metal arch ring center.
24 probe near field antenna test systems the most according to claim 5, it is characterised in that described object stage is cylindricality or hemispherical.
24 probe near field antenna test systems the most according to claim 1, it is characterized in that, described metal arch ring is the annular spliced by four parts, suction ripple it is provided with cotton inside described metal arch ring, described suction ripple is cotton to be wrapped up described metal arch ring entirety, and described probe stretches out from described suction ripple cotton tapping respectively and points to described metal arch ring center.
24 probe near field antenna test systems the most according to claim 1, it is characterised in that be provided with power module, reception amplifier, emission amplifier and the transmission switching device controlling device and being connected with described control device in described electronic box.
24 probe near field antenna test systems the most according to claim 8, it is characterised in that being additionally provided with the probe being connected with described probe in described electronic box and select unit, described probe selects unit to be connected with described control device.
24 probe near field antenna test systems the most according to claim 9, it is characterized in that, described probe selects unit to be several multipath high-speed electrical switches, can select corresponding described probe and polarization by controlling described multipath high-speed electrical switch and open, closing different path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620222010.4U CN205643543U (en) | 2016-03-22 | 2016-03-22 | 24 probe near field antenna test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620222010.4U CN205643543U (en) | 2016-03-22 | 2016-03-22 | 24 probe near field antenna test system |
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| CN205643543U true CN205643543U (en) | 2016-10-12 |
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| CN201620222010.4U Expired - Fee Related CN205643543U (en) | 2016-03-22 | 2016-03-22 | 24 probe near field antenna test system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970272A (en) * | 2017-05-19 | 2017-07-21 | 四川莱源科技有限公司 | Near field far field multifunctional test system |
| CN108132389A (en) * | 2016-12-01 | 2018-06-08 | 深圳市新益技术有限公司 | Probe polarization rotating device, electromagnetic field sampling system, the electromagnetic field method of sampling |
| CN108594028A (en) * | 2018-05-07 | 2018-09-28 | 北京中微普业科技有限公司 | A kind of antenna near-field test equipment and test system and method |
| CN110146748A (en) * | 2018-07-11 | 2019-08-20 | 南京洛普科技有限公司 | A kind of automobile mounted radar antenna complete machine planar near-field test device |
| CN111579888A (en) * | 2020-06-23 | 2020-08-25 | 石家庄硕华电子科技有限公司 | Annular test jig for antenna test |
| CN112333728A (en) * | 2020-09-29 | 2021-02-05 | 深圳星航物连科学技术有限公司 | OTA test system for quickly identifying tested object and remote management method thereof |
-
2016
- 2016-03-22 CN CN201620222010.4U patent/CN205643543U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132389A (en) * | 2016-12-01 | 2018-06-08 | 深圳市新益技术有限公司 | Probe polarization rotating device, electromagnetic field sampling system, the electromagnetic field method of sampling |
| CN108132389B (en) * | 2016-12-01 | 2023-11-10 | 深圳市新益技术有限公司 | Electromagnetic field sampling system and method for sampling using multiple single polarized probes in target electromagnetic field detection |
| CN106970272A (en) * | 2017-05-19 | 2017-07-21 | 四川莱源科技有限公司 | Near field far field multifunctional test system |
| CN108594028A (en) * | 2018-05-07 | 2018-09-28 | 北京中微普业科技有限公司 | A kind of antenna near-field test equipment and test system and method |
| CN108594028B (en) * | 2018-05-07 | 2019-03-29 | 北京中微普业科技有限公司 | A kind of antenna near-field test equipment and test macro and method |
| CN110146748A (en) * | 2018-07-11 | 2019-08-20 | 南京洛普科技有限公司 | A kind of automobile mounted radar antenna complete machine planar near-field test device |
| CN111579888A (en) * | 2020-06-23 | 2020-08-25 | 石家庄硕华电子科技有限公司 | Annular test jig for antenna test |
| CN112333728A (en) * | 2020-09-29 | 2021-02-05 | 深圳星航物连科学技术有限公司 | OTA test system for quickly identifying tested object and remote management method thereof |
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Address after: 518109 Second Floor of Hualian Feng Innovation Industrial Park, No. 91 Huaning Road, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN XINYI TECHNOLOGY Co.,Ltd. Address before: 518000 West Side of 1st Floor of Penghua Industrial Park, Heping West Road, Dalang Street, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN XINYI TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |