CN209525394U - A kind of Multi probe Antenna testing system based on nonmetallic ring - Google Patents
A kind of Multi probe Antenna testing system based on nonmetallic ring Download PDFInfo
- Publication number
- CN209525394U CN209525394U CN201821589403.4U CN201821589403U CN209525394U CN 209525394 U CN209525394 U CN 209525394U CN 201821589403 U CN201821589403 U CN 201821589403U CN 209525394 U CN209525394 U CN 209525394U
- Authority
- CN
- China
- Prior art keywords
- nonmetallic
- probe
- testing system
- antenna
- supporting structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of Multi probe Antenna testing system based on nonmetallic ring, including: nonmetallic annular supporting structure, probe, computer, control unit, radio frequency unit, for placing turntable, the pole of tested antenna, it is tested antenna, test equipment etc.；Probe is distributed on nonmetallic annular supporting structure, and computer is connected by control interface and control unit with turntable, by radio frequency interface and each radio frequency unit, probe, is tested antenna etc. and is connected；Tested antenna is placed in the center of circle of annular supporting structure by the pole on turntable, and nonmetallic annular supporting structure uses high strength nonmetallic material；In the utility model, nonmetallic annular supporting structure uses high strength nonmetallic material, apply fibre-optical probe, metal coaxial feeder is substituted with optical fiber, realize the non-metallic of support ring, the issuable scattering of metal material in support ring is avoided, significantly improves test macro in the measuring accuracy of low frequency (such as 70-400MHz).
Description
Technical field
The utility model relates to Multi probe Antenna testing system more particularly to a kind of Multi probe antennas based on nonmetallic ring
Test macro.
Background technique
In the passive and OTA test of antenna, it is to originate test frequency that existing checkout area, which is usually with 400MHz, this
It is since checkout area interior design of today determines.
Existing Multi probe antenna measurement field currently on the market, the support construction of linear transducer array are using metal ring structure.
Using metal ring structure, mainly there are two reasons: first, Multi probe antenna measurement of today field, and the weight popped one's head in using antenna measurement
Amount and figure are bigger, need annular supporting structure to have a degree of load-bearing, while designing special construction, guarantee that antenna is surveyed
The stability of probe header；Second, the RF cable being connected on antenna measurement probe needs inside ring body, is connected to and penetrates
On frequency matrix switch.As antenna probes quantity increases, corresponding radio link cable can also increase, the load-bearing requirements of test wrapper
Also increase, designed using metal material, it can be ensured that the stability of test wrapper.
But in 400MHz test frequency range below, occurs the material of metal structure in checkout area, test can all be generated
It influences, leads to the reduction of test result precision.The method of traditional solution metal material interference problem is to add to inhale in metal surface
Wave material reduces the interference signals such as the scattering of metal material, but absorbing material improves in low frequency (such as 70-400MHz) bring
It is very limited, it is therefore desirable to there is new method to solve the problems, such as this.
Utility model content
The utility model discloses a kind of Multi probe Antenna testing system based on nonmetallic ring, in the Antenna testing system
Annular supporting structure use high strength nonmetallic material, popped one's head in using Miniature optical fiber, with optical fiber substitute metal coaxial feeder,
To realize the non-metallic of support ring, interference of the scattering for avoiding the metal material in support ring from generating to test.
The utility model discloses a kind of Multi probe Antenna testing system based on nonmetallic ring, including: it is nonmetallic
Annular supporting structure, probe, computer, control unit, radio frequency unit, for placing turntable, the pole of tested antenna, by observation
Line, test equipment etc.；The probe is distributed on the annular supporting structure, and the computer is single by control interface and control
Member is connected with turntable, and the computer passes through radio frequency interface and each radio frequency unit, probe, tested antenna etc. and is connected.The turntable
On pole tested antenna is placed in the center of circle of annular supporting structure, the annular supporting structure uses high-strength non-metallic material
Material.
In addition, also being had such as according to a kind of Multi probe Antenna testing system based on nonmetallic ring disclosed by the utility model
Lower additional technical feature:
Further, the probe includes fibre-optical probe.
Further, fibre-optical probe includes: miniature radiating element, electrooptic switching element, photoelectric conversion unit, optical fiber power supply
Unit, optical fiber；The electrooptic switching element is connect by optical fiber with photoelectric conversion unit, and optical fiber power supply unit passes through optical fiber and institute
Electrooptic switching element connection is stated, and is powered to electrooptic conversion module.
Further, computer includes that perhaps industrial PC passes through GPIB or USB standard interface and test equipment to PC machine
It is connected with control module, test equipment is connected by radio frequency interface with probe (1), tested antenna (4).
Further, the shape of the nonmetallic annular supporting structure can be annulus, semicircular ring, 1/4 ring or part
Annulus.
Further, the nonmetallic annular supporting structure shape further include be two semicircles or multiple quadrants
Intersect the structure of composition.
Further, the Multi probe Antenna testing system based on nonmetallic ring is for including: Multi probe spherical surface field day
Line test macro, Multi probe flat field Antenna testing system, Multi probe cylinder field Antenna testing system, test the various electricity of antenna
Magnetic radiation parameter.
Preferably, fibre-optical probe can be popped one's head in using single polarization or dual polarization.
Preferably, annular supporting structure is using high-intensitive nonmetallic materials, can with all fibre-optical probes of load-bearing and its
Attendant equipment simultaneously keeps its planform constant.
Preferably, the probe is popped one's head in using the miniaturization of optical fiber power supply.
Preferably, the feeder line in all connection fibre-optical probes uses optical fiber.
The utility model has the beneficial effects that: in a test system, the annulus of fixed probe uses high-intensitive non-gold
Belong to material, while the fibre-optical probe used is popped one's head in using the miniaturization of optical fiber power supply, and metal coaxial feeder is substituted with optical fiber,
The appearance for avoiding metal to the full extent in entire measuring system, reduces the scattering interference of metal in system, improves
Measurement accuracy of the test macro in low-frequency range (70MHz-400MHz).
Detailed description of the invention
The schematic diagram of one embodiment of Multi probe Antenna testing system of Fig. 1 the utility model based on nonmetallic ring.
The schematic diagram of another embodiment of Multi probe Antenna testing system of Fig. 2 the utility model based on nonmetallic ring.
The schematic diagram of one embodiment of Multi probe Antenna testing system of Fig. 3 the utility model based on nonmetallic ring.
The schematic diagram of another embodiment of Multi probe Antenna testing system of Fig. 4 the utility model based on nonmetallic ring.
Wherein, 1 is fibre-optical probe；2 be nonmetallic annular supporting structure；3 be computer；4 be tested antenna；5 be turntable.
Specific embodiment
As shown in fig. 1, the technical solution of the utility model is as described below: a kind of Multi probe antenna based on nonmetallic ring
Test macro, comprising: probe 1, nonmetallic annular supporting structure 2, computer 3, tested antenna 4, control unit, radio frequency unit,
Turntable 5, pole and the test equipment etc. of antenna 4 are tested for fixed placement, the probe 1 is located at nonmetallic annular supporting structure
On 2, the computer 3 is connect by test equipment with radio frequency unit, is connect, is fixed on the turntable 5 by control unit
The center location that pole on the turntable 5 supports and tested antenna 4 is made to be placed in nonmetallic annular supporting structure 2, the non-gold
Belong to the annular supporting structure that annular supporting structure 2 includes high strength nonmetallic material.
The utility model has the beneficial effects that: in a test system, the annulus of fixed probe uses high-intensitive non-gold
The fibre-optical probe 1 for belonging to material, while using is popped one's head in using the miniaturization of optical fiber power supply, and metal coaxial feed is substituted with optical fiber
Line avoids the appearance of metal to the full extent in entire measuring system, reduces the scattering interference in system, improves survey
Measurement accuracy of the test system in low-frequency range (70MHz-400MHz).
In addition, the computer 3 of test macro is PC machine or industrial personal computer computer, the control to each system module, number are completed
According to acquisition, data processing；Computer 3 can control testboard by control module and rotate a certain angle come more to antenna progress
The measurement in orientation, in specific test process, computer 1 by the standard interfaces such as GPIB or USB and test equipment (such as
Network Analyzer) it is connected；It is connected by control interface with each control module (such as turntable controller, turntable driver etc.)；It surveys
Test instrument is tested antenna 4 etc. and is connected by radio frequency interface and each radio frequency unit, probe 1；Computer 3 can control various tests
Instrument, radio-frequency apparatus, probe, measured object turntable 5 etc., and then realize the data scanning of 3D spherical surface (or spherical calotte), wherein
The scanning of data such as including amplitude and phase.
As shown in Fig. 2, the fibre-optical probe array arrangement is connect on nonmetallic annular supporting structure 2 with fibre-optical probe 1
Optical fiber connect along nonmetallic annular supporting structure 2 and with the computer of distal end 3；The testboard of pole upper end is directly connected to count
Calculation machine 3；During the test, signal is received by fibre-optical probe 1 and is transmitted to electrooptic switching element, be then transmitted through the fiber to light
Electric converting unit, and data processing is carried out eventually by computer 3；Wherein, all connection light of Multi probe Antenna testing system
Feeder line in fibre probe uses optical fiber, reduces the interference of metal feeder being scattered in during antenna measurement to measurement result.
As shown in figure 4, the nonmetallic annular supporting structure 2 can be annulus, semicircular ring, 1/4 ring or partial circle
Deng, the shape of annulus can be adjusted according to demand, limitation with above-mentioned several shapes；Wherein, as shown in figure 3, the non-gold
Belonging to annular supporting structure 2 can also be that two semicircles intersect the structure of composition, and the probe of two of them difference polarization direction may be used also
To be evenly distributed in two individual semicircular rings, good effect is played to optimization cross polarization；Or a plurality of semicircles
The structure for intersecting composition, can determine different planforms according to different needs；In addition, nonmetallic annular supporting structure
2, using high-intensitive nonmetallic materials, can bear the weight of all fibre-optical probe and its attendant equipment and keep its structure
It is indeformable, while the nonmetallic materials used further reduce and are scattered in during antenna measurement caused by metal to survey
Measure the interference of result；Separately, it is preferable that the miniaturization probe 1 that the probe is powered using optical fiber, to reduce the weight of probe 1
And volume, thereby reduce the endurance of nonmetallic annular supporting structure 2.
In addition, Multi probe Antenna testing system can be used for: Multi probe spherical surface field Antenna testing system, Multi probe car antenna
Test macro, Multi probe flat field Antenna testing system, Multi probe cylinder field Antenna testing system etc.；In addition, this Multi probe antenna
Test macro can be used to measure the various electromagnetic radiation parameters of antenna, including various passive radiation parameter testings, and eat dishes without rice or wine
Parameter testing etc..
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of Multi probe Antenna testing system based on nonmetallic ring, comprising: probe (1), nonmetallic annular supporting structure
(2), computer (3), tested antenna (4), control unit, radio frequency unit, the turntable (5) for being tested for fixed placement antenna (4),
Pole and test equipment, the computer (3) are connect by test equipment with radio frequency unit, and control unit and the turntable are passed through
(5) it is connected with radio frequency unit, the pole being fixed on the turntable (5) supports and tested antenna (4) is made to be placed in annular brace knot
The center location of structure (2), which is characterized in that the nonmetallic annular supporting structure (2) includes the ring of high strength nonmetallic material
Shape support construction.
2. a kind of Multi probe Antenna testing system based on nonmetallic ring according to claim 1, which is characterized in that described
The shape of nonmetallic annular supporting structure (2) can be annulus, semicircular ring, 1/4 ring or partial circle.
3. a kind of Multi probe Antenna testing system based on nonmetallic ring according to claim 1, which is characterized in that described
Nonmetallic annular supporting structure (2) shape further includes the structure that two semicircles or multiple quadrants intersect composition.
4. a kind of Multi probe Antenna testing system based on nonmetallic ring according to claim 1, which is characterized in that described
Probe includes fibre-optical probe.
5. a kind of Multi probe Antenna testing system based on nonmetallic ring according to claim 2, it is characterised in that: optical fiber
Probe (1) includes: miniature radiating element, electrooptic switching element, photoelectric conversion unit, optical fiber power supply unit, optical fiber；The electric light
Converting unit is connect by optical fiber with photoelectric conversion unit, and optical fiber power supply unit is connected by optical fiber and the electrooptic switching element
It connects, and powers to electrooptic conversion module.
6. a kind of Multi probe Antenna testing system based on nonmetallic ring according to claim 1, which is characterized in that calculate
Machine includes that perhaps industrial PC is connected by GPIB or USB standard interface with test equipment and control module PC machine, tester
Device is connected by radio frequency interface with probe (1), tested antenna (4).
7. a kind of Multi probe Antenna testing system based on nonmetallic ring according to claim 1, which is characterized in that described
Multi probe Antenna testing system application range based on nonmetallic ring includes: Multi probe spherical surface field Antenna testing system, Multi probe
Flat field Antenna testing system, Multi probe cylinder field Antenna testing system, test the various electromagnetic radiation parameters of antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821589403.4U CN209525394U (en) | 2018-09-28 | 2018-09-28 | A kind of Multi probe Antenna testing system based on nonmetallic ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821589403.4U CN209525394U (en) | 2018-09-28 | 2018-09-28 | A kind of Multi probe Antenna testing system based on nonmetallic ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525394U true CN209525394U (en) | 2019-10-22 |
Family
ID=68212526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821589403.4U Active CN209525394U (en) | 2018-09-28 | 2018-09-28 | A kind of Multi probe Antenna testing system based on nonmetallic ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209525394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113419116A (en) * | 2021-06-18 | 2021-09-21 | 一汽奔腾轿车有限公司 | Passive performance test system and test method suitable for whole vehicle-level antenna |
-
2018
- 2018-09-28 CN CN201821589403.4U patent/CN209525394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113419116A (en) * | 2021-06-18 | 2021-09-21 | 一汽奔腾轿车有限公司 | Passive performance test system and test method suitable for whole vehicle-level antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103630761B (en) | A kind of Multi probe sphere near field passage calibrating installation and method | |
| CN104407232B (en) | Dielectric substance microwave complex dielectric constant test system and method | |
| RU2543557C2 (en) | System of simulation of electromagnetic environment with network of multiple probes | |
| CN209264836U (en) | A kind of Compact Range Antenna testing system based on array antenna | |
| CN107238825A (en) | RCS method of testing when a kind of utilization vector network instrument realizes antenna transmitting | |
| CN103618987B (en) | WIFI wireless headset batch audition and radio frequency test method | |
| CN106850086B (en) | Electromagnetic wave chamber based on array antenna | |
| CN209525394U (en) | A kind of Multi probe Antenna testing system based on nonmetallic ring | |
| CN100504407C (en) | Device for controlling the specific absorption rate of mass-produced radiant objects | |
| CN208432723U (en) | Radar power test device | |
| CN203798911U (en) | 16-probe near field antenna testing system | |
| CN108089113B (en) | Non-contact power semiconductor chip thermal state electromagnetic microscopic device and method | |
| CN207662972U (en) | A kind of three-dimensional high stable phase position center antenna Auto-Test System | |
| CN111780676A (en) | Device for measuring plant height and ear height of corn based on upper standard | |
| CN112730993B (en) | Electromagnetic environment monitoring system | |
| CN102841263A (en) | Device for calibrating uniformity of transient electromagnetic field | |
| CN209525372U (en) | The measured object radio-frequency feed cable of Multi probe Antenna testing system | |
| CN105548864B (en) | A kind of Digital Array Radar DAM receives digital circuit test system | |
| CN207663066U (en) | High stable phase position center antenna Auto-Test System | |
| CN208818763U (en) | A kind of Multi probe Antenna testing system of fibre-optical probe | |
| CN210109215U (en) | Sliding rail type non-metal ring antenna test system | |
| CN109696570A (en) | Frictional interface microcosmic electrical detection device and method | |
| CN114371348A (en) | Super-surface testing device, testing method and PB phase testing method | |
| JP2000214201A (en) | Antenna measuring method and measuring apparatus | |
| CN107991658B (en) | Radial distance calibration method for millimeter wave array antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |