CN108333442A - A kind of All-in-One car antenna test system and test method - Google Patents
A kind of All-in-One car antenna test system and test method Download PDFInfo
- Publication number
- CN108333442A CN108333442A CN201710051996.2A CN201710051996A CN108333442A CN 108333442 A CN108333442 A CN 108333442A CN 201710051996 A CN201710051996 A CN 201710051996A CN 108333442 A CN108333442 A CN 108333442A
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- Prior art keywords
- antenna
- programmable
- network analyzer
- multimeter
- test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The invention discloses a kind of All-in-One car antenna test system and test methods：Test system includes computer, Network Analyzer, programmable RF switch, direct current biasing device, programmable multimeter, DC power supply, GPIB USB converters, reference antenna and shielded box.Wherein Network Analyzer is used to test the voltage standing wave ratio and power transmission factor of antenna, and antenna to be measured is placed in shielded box.Computer is connect respectively with Network Analyzer, programmable multimeter by GPIB USB converters and programmable RF switch connects；Network Analyzer is connect with reference antenna and programmable RF switch respectively；DC power supply connection may be programmed multimeter；Programmable multimeter connects direct current biasing device；Programmable RF switch connect with multiple ports of the antenna to be measured in shielded box or is connect with the navigation antenna containing low-noise amplifier by direct current biasing device respectively.Test data all stores, and the trackability of test data may be implemented；Test speed is fast.
Description
Technical field
The present invention relates to a kind of car antenna test system and test methods, specifically, being a kind of vehicle-mounted day of All-in-One
Line tests system and test method.
Background technology
Present car antenna is mostly the complex of several antennas, i.e. the antenna comprising multiple functions integrates to expire
The requirement of sufficient user.Such as include navigation antenna, mobile communication antenna, broadcast antenna, 4G LTE mimo antennas, WiFi antennas.By
It is to be integrated by two, three, even four antennas, and navigation antenna and broadcast antenna are general in a car antenna
It is active antenna, that is, includes amplifier, so entire antenna needs parameter to be tested very much, for example contains the voltage of antenna
Standing-wave ratio, transimission power, the consumption multiple parameters such as electric current and voltage.
It completes to test multifunctional vehicle mounted antenna, the test network analyzer of test system is needed to have multiple ports, such as four
Port, but also be difficult to realize the vehicle-mounted day that test up to four or more antenna is integrated even with four port network analyzers
Line, meanwhile, the cost of multiport network analyzer is also very high, and only be used only Network Analyzer can not also to test data into
Row preserves, and realizes the trackability of data.
Also the test system having uses mechanical switch to switch to realize multiport test, and such way is brought
Test speed is slow, and easy the problem of omitting antenna to be measured in test.
Invention content
Present invention aim to propose it is a kind of can be convenient and efficient and at low cost can to test All-in-One vehicle-mounted
The test system and test method of antenna.
The present invention adopts the following technical scheme that：
A kind of All-in-One car antenna test system and test method：
Test system includes computer, Network Analyzer, programmable RF switch, direct current biasing device (Bias-T), can compile
Journey multimeter, DC power supply, GPIB-USB converters, reference antenna and shielded box.Wherein Network Analyzer is used for test days
The voltage standing wave ratio and S12 (power transmission factor) of line, antenna to be measured are placed in shielded box.
Its Computer is connect with Network Analyzer and programmable multimeter respectively by GPIB-USB converters, computer
It is connect with programmable RF switch；Network Analyzer is connect with reference antenna and programmable RF switch respectively；DC power supply connects
Connect programmable multimeter；Programmable multimeter connection direct current biasing device (Bias-T)；Programmable RF switch respectively with shielded box
In antenna to be measured the connection of multiple ports or by direct current biasing device (Bias-T) and containing the navigation of low-noise amplifier
Antenna connects, as GPS antenna connects.
It tests Computer and controls Network Analyzer, programmable RF switch and programmable multimeter using test program,
Since navigation antenna (GPS antenna etc.) contains low-noise amplifier, signal can only be received, needs to refer to antenna transmitting radio frequency letter
Number, antenna to be measured receives the radiofrequency signal of reference antenna transmitting, and Network Analyzer can measure the voltage standing wave ratio and S12 of antenna
Parameters such as (power transmission factors)；DC power supply provides direct-current working volts for the navigation antenna in antenna to be measured, and multimeter is used
In the size of current of test navigation antenna consumed, direct current biasing device is that on the one hand direct current is electrically added on navigation antenna, separately
On the one hand the radio frequency path between navigation antenna and RF switch is provided, RF switch is used for the switching between different antennae.
Test comprises the following processes：
1. according to system block diagram connecting test equipment and instrument；
2. opening computer, Network Analyzer, multimeter and DC power supply；
3. according to setting Network Analyzer parameter, and calibration network analyzer and RF switch is required；
4. the test program installed on operation computer, is arranged the port number of antenna to be measured, antenna specification, including electricity are set
Standing-wave ratio, S12 and electric current are pressed, and preserves setting；
5. connection antenna to be measured, and antenna to be measured is placed into the shielded box of absorbing material；
6. computer reads Network Analyzer and multimeter data, and compared with the parameter of setting, judge antenna qualification with
It is no.
The beneficial effects of the invention are as follows may be used as the car antenna that is combined into one of test multiple antennas；Multiport is not needed
Network Analyzer, to reduce the investment to test equipment；Test data all stores, and tracing for test data may be implemented
Property；Test speed is fast.
Description of the drawings：
Attached drawing 1 is this test principle block diagram；
In figure, 1 is test computer, and 2 be GPIB-USB converters, and 3 be Network Analyzer, and 4 be reference antenna, 5 be can
RF switch is programmed, 6 be direct current biasing device, and 7 be programmable multimeter, and 8 be DC power supply, and 9 be shielded box, and 10 be to wait for observation
Line.
Specific implementation mode：
The present invention will be further described with reference to the accompanying drawings and detailed description：
System is connected by attached drawing, wherein 1 is test computer, and 2 be GPIB-USB converters, and 3 be network analysis before test
Instrument, 4 be reference antenna, and 5 be programmable RF switch, and 6 be direct current biasing device, and 7 be programmable multimeter, and 8 be DC power supply, 9
It is shielded box.Computer 1 is connect with Network Analyzer 3 and programmable multimeter 7 respectively by GPIB-USB converters 2, is calculated
Machine 1 is also connect with programmable RF switch 5, and computer uses test program control Network Analyzer 3,7 and of programmable multimeter
Programmable RF switch 5；Network Analyzer 3 is connect with reference antenna 4 and programmable RF switch 5 respectively, and reference antenna 4 emits
The radiofrequency signal of test；The connection of DC power supply 8 may be programmed multimeter 7；Programmable multimeter 7 connects direct current biasing device (Bias-
T)6；DC power supply 8 provides direct-current working volts for the navigation antenna in antenna 10 to be measured, and programmable multimeter 7 is led for testing
The size of current that space flight line is consumed, 6 one side of direct current biasing device are electrically added direct current on navigation antenna, on the other hand provide and lead
Radio frequency path between space flight line and RF switch 5；Programmable RF switch 5 respectively with the antenna to be measured 10 in shielded box 9
The connection of multiple ports is connect by direct current biasing device (Bias-T) 6 with the navigation antenna containing low-noise amplifier, can be with
It is switched between different antennae, selects the antenna of test；Antenna 10 to be measured is placed in shielded box 9, avoids being interfered
Effect of signals.
Computer screen shows that antenna is non-defective unit (pass) or is defective products (fail) with red display antenna with green, and
Test data storage to database.After the completion of test, a report is eventually generated, antenna amount, bad has been tested in display
Product quantity and yields.Defective products record is opened it can be seen that specific bad reason.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (2)
1. a kind of All-in-One car antenna tests system, it is characterized in that being opened including computer, Network Analyzer, programmable radio frequency
Pass, direct current biasing device (Bias-T), programmable multimeter, DC power supply, GPIB-USB converters, reference antenna and shielding
Case；
Its Computer is connect with Network Analyzer and programmable multimeter respectively by GPIB-USB converters, computer with can
Program RF switch connection；Network Analyzer is connect with reference antenna and programmable RF switch respectively；DC power supply with can compile
Journey multimeter connects；Programmable multimeter is connect with direct current biasing device (Bias-T)；Programmable RF switch respectively with shielded box
In antenna to be measured the connection of multiple ports or by direct current biasing device (Bias-T) and containing the navigation of low-noise amplifier
Antenna connects.
2. a kind of All-in-One car antenna test method, it is characterized in that comprising the following processes：
According to system block diagram connecting test equipment and instrument；
Open computer, Network Analyzer, multimeter and DC power supply；
According to requiring setting Network Analyzer parameter, and calibration network analyzer and RF switch；
The test program installed on operation computer, is arranged the port number of antenna to be measured, and antenna specification, including voltage standing wave(VSW) is arranged
Than, S12 and electric current, and preserve setting；
Antenna to be measured is connected, and antenna to be measured is placed into the shielded box of absorbing material；
Computer reads Network Analyzer and multimeter data, and compared with the parameter of setting, judges that antenna is qualified or not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051996.2A CN108333442A (en) | 2017-01-18 | 2017-01-18 | A kind of All-in-One car antenna test system and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710051996.2A CN108333442A (en) | 2017-01-18 | 2017-01-18 | A kind of All-in-One car antenna test system and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108333442A true CN108333442A (en) | 2018-07-27 |
Family
ID=62921980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710051996.2A Pending CN108333442A (en) | 2017-01-18 | 2017-01-18 | A kind of All-in-One car antenna test system and test method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108333442A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600281A (en) * | 2018-12-18 | 2019-04-09 | 浙江众泰汽车制造有限公司 | A kind of T-BOX quiescent current and communication connection test bed apparatus |
| CN110166144A (en) * | 2019-05-09 | 2019-08-23 | 武汉虹信通信技术有限责任公司 | A kind of test macro for testing mimo antenna |
| CN113834973A (en) * | 2020-06-24 | 2021-12-24 | 扬博科技股份有限公司 | Package antenna yield detection device |
| CN113866521A (en) * | 2021-11-30 | 2021-12-31 | 荣耀终端有限公司 | Antenna detection device, antenna detection system and antenna detection method |
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| CN101487864A (en) * | 2008-11-25 | 2009-07-22 | 深圳市信维通信有限公司 | Production detection system used for mobile terminal antenna |
| CN102412917A (en) * | 2011-12-16 | 2012-04-11 | 哈尔滨工业大学深圳研究生院 | Multiple-antenna measurement system and method based on network analyzer and RF (radio frequency) switch |
| CN102571233A (en) * | 2011-12-29 | 2012-07-11 | 西安欣创电子技术有限公司 | Fast assessment method for overall unit OTA (Over The Air) performance of wireless terminal products |
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| CN204065277U (en) * | 2014-08-19 | 2014-12-31 | 株洲南车时代电气股份有限公司 | A kind of car antenna testing circuit |
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2017
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Patent Citations (5)
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| CN101487864A (en) * | 2008-11-25 | 2009-07-22 | 深圳市信维通信有限公司 | Production detection system used for mobile terminal antenna |
| CN102412917A (en) * | 2011-12-16 | 2012-04-11 | 哈尔滨工业大学深圳研究生院 | Multiple-antenna measurement system and method based on network analyzer and RF (radio frequency) switch |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600281A (en) * | 2018-12-18 | 2019-04-09 | 浙江众泰汽车制造有限公司 | A kind of T-BOX quiescent current and communication connection test bed apparatus |
| CN110166144A (en) * | 2019-05-09 | 2019-08-23 | 武汉虹信通信技术有限责任公司 | A kind of test macro for testing mimo antenna |
| CN113834973A (en) * | 2020-06-24 | 2021-12-24 | 扬博科技股份有限公司 | Package antenna yield detection device |
| CN113834973B (en) * | 2020-06-24 | 2024-01-26 | 扬博科技股份有限公司 | Packaged antenna yield detection device |
| CN113866521A (en) * | 2021-11-30 | 2021-12-31 | 荣耀终端有限公司 | Antenna detection device, antenna detection system and antenna detection method |
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Application publication date: 20180727 |
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| RJ01 | Rejection of invention patent application after publication |