CN205506947U - 128 probe near field antenna test system - Google Patents
128 probe near field antenna test system Download PDFInfo
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- CN205506947U CN205506947U CN201620220987.2U CN201620220987U CN205506947U CN 205506947 U CN205506947 U CN 205506947U CN 201620220987 U CN201620220987 U CN 201620220987U CN 205506947 U CN205506947 U CN 205506947U
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Abstract
The utility model discloses a 128 probe near field antenna test system, including test system software carrier, a plurality of near field antenna test equipment that pops one's head in, the near field antenna test equipment that pops one's head in be 128 probe near field antenna test equipment, 128 probe near field antenna test equipment and includes base, support, becket, 128 probes, revolving stage, electronic box, signal transmission measuring apparatus and embrace poles more, and the probe is popped one's head in including 127 probe and 1 references that have double polarization ultra wide band broadband characteristic. The utility model discloses measurement of efficiency is high, measurement accuracy is high, need not to sacrifice the sampling precision, has practiced thrift the place scope simultaneously, has obvious advantage in the measured object size.
Description
Technical field
This utility model relates to antenna measurement system, more specifically, relates to a kind of 128 probe near field antenna test systems.
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 product of these enterprises covers the small size antenna that consumer electronics product uses, the medium-sized or large-scale antenna that the equipment such as mobile communication base station, war industry equipment uses.The speed of antenna measurement, precision and measured object type coverage rate can be surveyed have become as the bottleneck of the Corporation R & D progress of work.
Traditional single probe antenna is measured system and be there is following defect: in measurement 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, cause single probe measurement systematic survey inefficiency；The measurement time is long；Due to environmental change, the probability that the measurement problem that the extrinsic factor such as instrument unstability causes occurs is the highest；Traditional single probe measurement system, in order to obtain higher efficiency, often reduces sampling density；Traditional far field test system needs the biggest test site when building, and floor area needs nearly thousand square meters the biggest；It addition, small-sized its measured object full-size of Multi probe near field antenna measurements system is restricted.
Drawbacks 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 128 probe near field antenna test systems.
Technical solutions of the utility model are as described below:
A kind of 128 probe near field antenna test systems, several Multi probe near field antenna test equipment being connected through active switching device with described testing system software carrier including testing system software carrier, described testing system software carrier is connected with active switching device through vector network analyzer or wireless telecommunications instrument, it is characterized in that, described Multi probe near field antenna test equipment is 128 probe near field antenna test equipment；
Described 128 probe near field antenna test equipment include base, support, becket, 128 probes, turntable, electronic box, signal trans mission measurement and pole, and described probe includes 127 probes with dual polarization ultra broadband broadband character and 1 reference probe；
Described becket is fixed on described base, and described probe is located at inside described becket and is uniformly distributed by 2.608 degree of intervals, is connected in probe switch unit is located at described becket and with described probe, and described pole lower end connects turntable through described becket.
Further, described testing system software carrier is ordinary PC, and described vector network analyzer is connected to described testing system software carrier by GPIB standard interface or network interface or serial ports, connects described electronic box by radio frequency interface.
Further, described electronic box includes power electronic box, turning table control electronic box, probe switching control electronic box, transmitting/receiving signal switching electronic box, transmitting signal amplification unit electronic box, reception signal amplification unit electronic box.
Further, being provided with U-shaped suction ripple cotton inside described becket, some blocks of described suction ripples are cotton by described becket entirety parcel, and described probe stretches out from described suction ripple cotton tapping and points to described becket center respectively.
Further, described turntable includes turret base, multi-axis turntable, some motors and direction of motion guide rail, and described multi-axis turntable drives the work of described turntable, drives described pole to be X to rotation, and Y, Z-direction move, horizontal plane rotates and pitching rotation.
Further, described multi-axis turntable is five-axis flight table, totally five, described motor.
Further, described turntable interrupts rotating in X, Y, Z axis in time having exception-triggered switch in order to realize anomalous rotation automatically, it is to avoid system failure.
Further, described probe switch unit is multiple multipath high-speed electrical switches, can select to pop one's head in accordingly and polarize by controlling described multipath high-speed electrical switch and open, closing different path.
Further, described probe switch unit and described probe are connected by radio frequency coaxial cables.
According to this utility model of such scheme, it has the beneficial effects that,
1, this utility model sets 360 degree of dual polarization ultra broadband linear transducer arrays surrounding measured object in measured object periphery, slow mechanical is replaced 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, measures efficiency and can improve more than 254 times.
2, this utility model measures efficiency height, it is not necessary to sacrificing sampling precision, certainty of measurement has significant advantage.
3, this utility model measures place only needs, about 100 square meters, to be greatly saved place scope.
4, this utility model maximum detection measured object size is up to 4.6 meters, has clear superiority in measured object size.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model；
Fig. 2 is structural representation of the present utility model.
Fig. 3 is that this utility model does not wraps up the structural representation inhaling ripple cotton.
In the drawings, 1, base；2, support；3, becket；4, probe；5, pole；6, ripple is inhaled cotton；7, five-axis flight table.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is conducted further description by embodiment:
As shown in Figure 1-2, this utility model provides a kind of 128 probe near field antenna test systems.Several the 128 probe near field antenna measurements equipment being connected through active switching device with measuring system software carrier including measuring system software carrier (not shown), first measuring system software carrier is connected with active switching device through vector network analyzer or wireless telecommunications instrument.
128 probe near field antenna test equipment include base 1, support 2, becket 3,128 probe 4, electronic box, signal trans mission measurement, pole 5, signal trans mission measurement is analyzed signal and transmits S parameter, and 128 probes include 127 probes with dual polarization ultra broadband broadband character and 1 reference probe.
Becket 3 is fixed on base 1, probe 4 is located at inside becket 3 and is uniformly distributed by 2.608 degree of intervals, being provided with U-shaped suction ripple cotton 6 inside becket 3, inhale ripple cotton 6 for some pieces and wrap up overall for becket 3, probe 4 stretches out from cotton 6 tappings of suction ripple and points to becket 3 center respectively.
It is connected in probe switch unit is located at becket 3 and with probe 4, probe switch unit is multiple multipath high-speed electrical switches, can select to pop one's head in accordingly and polarize by controlling multipath high-speed electrical switch and open, closing different path, probe switch unit and probe are connected by radio frequency coaxial cables.
Pole 5 lower end connects turntable through becket 3, turntable includes turret base, five-axis flight table 7, five motors, direction of motion guide rails, five-axis flight table 7 drives turntable to work, pole 5 is driven to be X to rotation, Y, Z-direction move, horizontal plane rotates and pitching rotates, turntable interrupts rotating in X, Y, Z axis in time having exception-triggered switch in order to realize anomalous rotation automatically, it is to avoid system failure.
Testing system software carrier is ordinary PC, vector network analyzer is connected to testing system software carrier by GPIB standard interface or network interface or serial ports, connecting electronic box by radio frequency interface, electronic box includes power supply electronic box, turning table control electronic box, probe switching control electronic box, transmitting/receiving signal switching electronic box, transmitting signal amplification unit electronic box, receives signal amplification unit electronic box.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.
Utility model works flow process is: the computer operating measurement software of installation system Survey Software, all instructions for as if instrument and electronic box.Electronic box controls internal module and selects corresponding radio frequency path after receiving instruction, and switches probe and polarization to realize data sampling according to instruction with particular order.Measurement process terminates rear systematic survey software by calculating corresponding measurement result.
This utility model specific implementation process is:
Measuring system software carrier passes through operating measurement software, and control system hardware is scanned in the space of near field range.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 Survey Software uses the strict computing of dianoetic outside the venue to obtain surrounding the description in the far field in measured object space, and this description to far field includes the information such as 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, and measured object only needs one-dimensional rotation i.e. to can determine that the field on the sphere surrounding this tested antenna.Measure and can improve more than 254 times on efficiency theory.
Use dual polarization ultra broadband 127 linear transducer array, during measurement, only need tested antenna to carry out one-dimensional 180 degree of rotations, measure efficiency and be greatly promoted.Owing to the testing time is short, testing and carry out shielding under unreflected dark room conditions, relative to far field test, 128 probe near field antenna measurements system stability, the performance such as accuracy has preferably guarantee.Owing to 128 probe near field antenna measurements systems use near field measurements, the strict algorithm such as sample Near-field Data and pass through to push away outside the venue draws far-field radiation parameter, and (about 10m*10m*12m) realization measurement in less space is greatly saved space cost.It is long that the present invention solves the measurement time that the single probe measurement system of tradition causes due to measured object Two Dimensional Rotating to be carried out, and measures efficiency low, measures easily by environment and the problem of instrumental effects.Solve tradition far field test the most affected by environment, and the problem that place dimensional requirement is strict.
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 (9)
1. a probe near field antenna test system, several Multi probe near field antenna test equipment being connected through active switching device with described testing system software carrier including testing system software carrier, described testing system software carrier is connected with active switching device through vector network analyzer or wireless telecommunications instrument, it is characterized in that, described Multi probe near field antenna test equipment is 128 probe near field antenna test equipment；
Described 128 probe near field antenna test equipment include base, support, becket, 128 probes, turntable, electronic box, signal trans mission measurement and pole, and described probe includes 127 probes with dual polarization ultra broadband broadband character and 1 reference probe；
Described becket is fixed on described base, and described probe is located at inside described becket and is uniformly distributed by 2.608 degree of intervals, is connected in probe switch unit is located at described becket and with described probe, and described pole lower end connects turntable through described becket.
128 probe near field antenna test systems the most according to claim 1, it is characterized in that, described testing system software carrier is ordinary PC, described vector network analyzer is connected to described testing system software carrier by GPIB standard interface or network interface or serial ports, connects described electronic box by radio frequency interface.
128 probe near field antenna test systems the most according to claim 1, it is characterized in that, described electronic box includes power electronic box, turning table control electronic box, probe switching control electronic box, transmitting/receiving signal switching electronic box, transmitting signal amplification unit electronic box, reception signal amplification unit electronic box.
128 probe near field antenna test systems the most according to claim 1, it is characterized in that, U-shaped suction ripple it is provided with cotton inside described becket, some blocks of described suction ripples are cotton by described becket entirety parcel, and described probe stretches out from described suction ripple cotton tapping and points to described becket center respectively.
128 probe near field antenna test systems the most according to claim 1, it is characterized in that, described turntable includes turret base, multi-axis turntable, some motors and direction of motion guide rail, described multi-axis turntable drives the work of described turntable, driving described pole to be X to rotation, Y, Z-direction move, horizontal plane rotates and pitching rotates.
128 probe near field antenna test systems the most according to claim 5, it is characterised in that described multi-axis turntable is five-axis flight table, totally five, described motor.
128 probe near field antenna test systems the most according to claim 5, it is characterised in that described turntable interrupts rotating in X, Y, Z axis in time having exception-triggered switch in order to realize anomalous rotation automatically, it is to avoid system failure.
128 probe near field antenna test systems the most according to claim 1, it is characterized in that, described probe switch unit is multiple multipath high-speed electrical switches, can select to pop one's head in accordingly and polarize by controlling described multipath high-speed electrical switch and open, closing different path.
128 probe near field antenna test systems the most according to claim 1, it is characterised in that described probe switch unit and described probe are connected by radio frequency coaxial cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220987.2U CN205506947U (en) | 2016-03-22 | 2016-03-22 | 128 probe near field antenna test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220987.2U CN205506947U (en) | 2016-03-22 | 2016-03-22 | 128 probe near field antenna test system |
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| CN205506947U true CN205506947U (en) | 2016-08-24 |
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| CN201620220987.2U Expired - Fee Related CN205506947U (en) | 2016-03-22 | 2016-03-22 | 128 probe near field antenna test system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443210A (en) * | 2016-12-03 | 2017-02-22 | 刘科宏 | Testing system and method for three-dimensional spatial radiation field phase of active base station antenna |
| CN106443209A (en) * | 2016-12-03 | 2017-02-22 | 刘科宏 | Test system and method for active base station antenna three-dimensional space distant field radiation characteristics |
| CN108303599A (en) * | 2017-01-12 | 2018-07-20 | 深圳市新益技术有限公司 | The integrating device of RF switch and Antenna testing system with the device |
| CN108303601A (en) * | 2017-01-12 | 2018-07-20 | 深圳市新益技术有限公司 | A kind of Antenna testing system with multi-level radio-frequency switch |
| WO2019169702A1 (en) * | 2018-03-07 | 2019-09-12 | 深圳市新益技术有限公司 | Multi-probe scan test stand |
| CN110412360A (en) * | 2019-07-02 | 2019-11-05 | 深圳市新益技术有限公司 | Shrunk type vehicle antenna radio-frequency performance test macro |
-
2016
- 2016-03-22 CN CN201620220987.2U patent/CN205506947U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443210A (en) * | 2016-12-03 | 2017-02-22 | 刘科宏 | Testing system and method for three-dimensional spatial radiation field phase of active base station antenna |
| CN106443209A (en) * | 2016-12-03 | 2017-02-22 | 刘科宏 | Test system and method for active base station antenna three-dimensional space distant field radiation characteristics |
| CN106443209B (en) * | 2016-12-03 | 2023-09-29 | 刘科宏 | System and method for testing three-dimensional space far-field radiation characteristics of active base station antenna |
| CN106443210B (en) * | 2016-12-03 | 2023-10-17 | 刘科宏 | System and method for testing three-dimensional space radiation field phase of active base station antenna |
| CN108303599A (en) * | 2017-01-12 | 2018-07-20 | 深圳市新益技术有限公司 | The integrating device of RF switch and Antenna testing system with the device |
| CN108303601A (en) * | 2017-01-12 | 2018-07-20 | 深圳市新益技术有限公司 | A kind of Antenna testing system with multi-level radio-frequency switch |
| WO2019169702A1 (en) * | 2018-03-07 | 2019-09-12 | 深圳市新益技术有限公司 | Multi-probe scan test stand |
| CN110412360A (en) * | 2019-07-02 | 2019-11-05 | 深圳市新益技术有限公司 | Shrunk type vehicle antenna radio-frequency performance test macro |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 |