CN101487864B - Production detection system used for mobile terminal antenna - Google Patents
Production detection system used for mobile terminal antenna Download PDFInfo
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- CN101487864B CN101487864B CN2008102176559A CN200810217655A CN101487864B CN 101487864 B CN101487864 B CN 101487864B CN 2008102176559 A CN2008102176559 A CN 2008102176559A CN 200810217655 A CN200810217655 A CN 200810217655A CN 101487864 B CN101487864 B CN 101487864B
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- mobile terminal
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Abstract
The invention discloses a production detection system for a mobile terminal antenna, comprising a network analyzer and further comprising a test dark box and a computer for computation and output in cooperation with the network analyzer, a reception antenna clamp and a transmission antenna clamp are provided in the test dark box; the reception antenna clamp is connected with a S21 port of the network analyzer via a coaxial cable; the transmission antenna clamp is connected with a S11 port of the network analyzer via the coaxial cable; the transmission antenna clamp comprises a cylinder and a clamp body, the cylinder is provided with a travel switch thereon which is connected via a travel switch signal line to a printer interface of the computer. The invention can measure S11 and S21 parameters of the measured antenna simultaneously, wherein, the S21 reflects the gains of the antenna and the S11 reflects the matching performance of the antenna, and can comprehensively measure performance of the antenna to guarantee that the measured antenna reaches the setting standard.
Description
Technical field:
The present invention relates to a kind of production testing system that is used for mobile terminal antenna, it belongs to the production test system of wireless telecommunications system production technical field, particularly a kind of mobile terminal antenna.
Background technology:
The production testing of mobile terminal antenna is extremely important, if the antenna element defectiveness can cause final assembly complete machine radio-frequency performance to descend, doing over again of causing thus causes production cost increase, production efficiency to reduce.The production line of mobile terminal antenna detects, traditional method is to measure S11 (perhaps standing-wave ratio (SWR), return loss with network analyzer, what these several indexs reflected is same physical concept, below narrate with this index of standing-wave ratio (SWR)), purpose is check consistency (as detecting the distribution situation of a certain frequency S11 amplitude).This index has reflected the matching performance of antenna, and convenient test is quick.But standing-wave ratio (SWR) can not reflect this key property index of antenna gain.The antenna that standing-wave ratio (SWR) is up to standard, its gain is not necessarily up to standard.Therefore, only measure the consistance that standing-wave ratio (SWR) can not complete reflection antenna.
In disclosed Chinese patent application, the production testing method that relates to mobile terminal antenna is also arranged, as number of patent application be: 200310106494.3, denomination of invention is " antenna test method ".The technical essential of this application for a patent for invention is: choose a network analyzer, a reference antenna, a nonmetal box and an antenna to be measured, and network analyzer is provided with first port and second port; Second step: on nonmetal box, be provided with first and second resettlement section; The 3rd step: reference antenna and antenna to be measured are inserted respectively in corresponding first and second resettlement section; The 4th step: reference antenna is linked to each other with first port of network analyzer, and antenna to be measured links to each other with second port of network analyzer; The 5th step: send reference signal transmission to reference antenna from first port of network analyzer, by reference antenna the signal radiation that is received is gone out again, antenna to be measured is second port of the signal fan-in network analyser that received, network analyzer again with the gain loss of two-port with default gain decrease contrast and then draw antenna to be measured and whether meet the requirements.Above-mentioned technical scheme, though also adopted network analyzer as main testing apparatus, but the tested antenna of its test macro is not easy to fix, inconvenient operation, the effect of influence test, there is electromagnetic reflection in the meeting when testing in addition, equally also can influence the effect of test, and such method of testing also only can test a parameter, detects consistance, not other parameters needed of energy measurement.
Summary of the invention:
The object of the present invention is to provide a kind of performance that can check mobile terminal antenna more comprehensively accurately, guarantee the production testing system that is used for mobile terminal antenna of the consistency of performance of antenna product.
The object of the present invention is achieved like this:
A kind of production testing system that is used for mobile terminal antenna, it comprises network analyzer, it also comprises a test camera bellows and a computing machine that cooperates network analyzer to calculate and export, and is provided with receiving antenna anchor clamps and transmission antenna clamp in described test camera bellows; Described receiving antenna anchor clamps are connected with the S21 port of network analyzer by concentric cable; Described transmission antenna clamp is connected with the S11 port of network analyzer by concentric cable; Described transmission antenna clamp comprises cylinder and chuck body, and the one stroke switch is set on the described cylinder, and described travel switch is connected on the printer interface of computing machine by the travel switch signal wire.
Be connected with pressure-regulating valve door and timing relay on the cylinder of described transmission antenna clamp.
Direct reflection district at described test camera bellows is equipped with absorbing material.
Described test camera bellows is provided with camera bellows door and operation window.
The inwall of described camera bellows door is provided with absorbing material.
Described absorbing material is a foam pyramid absorbing material
The radio-frequency (RF) switch K2 that connects a multiport at the port I of described network analyzer 9.
Described transmission antenna clamp is provided with the pressure feeler.
Described test camera bellows is made by timber board.
Described test camera bellows all is arranged on the camera bellows bracing frame with the cylinder that is arranged on the transmission antenna clamp in the test camera bellows.
The present invention can measure the S11 parameter and the S21 parameter of tested antenna simultaneously, and S21 has reflected antenna gain, and S11 has reflected the matching performance of antenna, and 2 parameters are measured simultaneously, can measure the performance of tested antenna comprehensively, guarantees that tested antenna reaches established standards.
Description of drawings:
Fig. 1 is that system of the present invention constitutes synoptic diagram
Fig. 2 is the structural representation of test camera bellows of the present invention
Fig. 3 is the structural representation of transmission antenna clamp of the present invention
Fig. 4 is the structural representation of receiving antenna anchor clamps of the present invention
Fig. 5 is a circuit system schematic diagram of the present invention
Embodiment:
Below in conjunction with accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the present invention is further detailed:
As shown in the drawing, the computing machine 2 that the present invention includes network analyzer 1, a test camera bellows 3 and cooperate network analyzer to calculate and export, described network analyzer 1 is a prior art.Computing machine links to each other with network analyzer among the present invention, is used for Control Network analyser tested antenna is measured, and the reading and recording measurement result, finishes automatic test.The data transmission of network analyzer and intercomputer realizes by GPIB card and GPIB line.Give computing machine by the data transmission that the GPIB transmission system is gathered network analyzer, through the data processing and the analysis of computer control system, whether the performance that directly provides tested antenna is qualified.
Described test camera bellows 3 is to make box body by timber board.The test camera bellows is made of nonmetallic materials, has reduced the reflection of metal material, thereby can reduce the thickness of laying absorbing material, and then reduces the size of whole test camera bellows, simultaneously, can reduce cost of manufacture, is convenient to the production line wide-scale adoption.
In described test camera bellows, be provided with receiving antenna anchor clamps 4 and transmission antenna clamp 5; Be connected with pressure-regulating valve door 7 and timing relay 8 on the cylinder 6 of described transmission antenna clamp 5.Described transmission antenna clamp 5 comprises cylinder 6 and chuck body 51, on the described cylinder 6 the one stroke switch is set, described travel switch is connected on the printer interface of computing machine 2 by travel switch signal wire 11, is used for controlling and exporting the test job of computer testing system.Described transmission antenna clamp 5 is provided with presses feeler 52.Direct reflection district at described test camera bellows 3 is equipped with absorbing material 53.Described test camera bellows 3 is provided with camera bellows door 54 and operation window 55, has so both got rid of the interference of test man to measurement result, measures and stablizes, and makes things convenient for test man's placement again and takes out tested antenna simultaneously.
In order further to reduce electromagnetic reflection, the inwall of described camera bellows door 54 is provided with absorbing material 56.Described absorbing material can use foam pyramid absorbing material:
Described test camera bellows 3 all is arranged on the camera bellows bracing frame 12 with the cylinder 6 that is arranged on the transmission antenna clamp 5 in the test camera bellows.
Described receiving antenna anchor clamps 4 are connected with the S21 port of network analyzer 1 by concentric cable 10; Described transmission antenna clamp 5 is connected with the S11 port of network analyzer 1 by concentric cable 9; Connect the radio-frequency (RF) switch K2 of a multiport at the port I of described network analyzer 9, tested like this antenna can be made of a plurality of antennas, and a plurality of antennas are placed on the anchor clamps of tested antenna simultaneously, make network analyzer measure one by one these a plurality of antennas.When test, in the receiving antenna anchor clamps 4 of test camera bellows upper end the broadband measurement antenna is set, in the transmission antenna clamp 5 of test camera bellows lower end tested antenna is set.Be connected with radio-frequency (RF) switch with the concentric cable 10,9 in the 50 Europe port I with network analyzer 1 in the present embodiment, after trigger pip was set out, network analyzer can detect the performance of tested antenna.
Tested in the present embodiment antenna places on the holder 58 of transmission antenna clamp 5 to guarantee the stable of antenna measurement state, and tested antenna top is put one and pressed down feeler 52, and it is flexible by cylinder 6 controls under the drive of connecting rod 51 for feeler.Be connected with pressure-regulating valve door and timing relay on the cylinder of described transmission antenna clamp.By the size of air-flow in the pressure-regulating valve door 7 control cylinders, control presses down the downforce of 52 pairs of tested antennas of feeler thus, avoided antenna because of pressurized the excessive or too small test mode instability that causes.Simultaneously, press down pressing down the time of feeler, be convenient to the data acquisition of computing machine in the test process by connecting rod 57 drives in the chronotron 8 control cylinder units.
Used a travel switch 14 in this specific embodiment, this trip switch is connected with the LPT 13 of computing machine by data line,
Can also on test camera bellows 3, a hummer be set in the present invention, signal and external power supply control that hummer is provided by the computer printout mouth.If the performance inconsistency requirement of tested antenna, system sends chimes of doom and red light caution operator immediately.Signal and external power supply control that hummer is provided by the computer printout mouth.
Basic operational steps of the present invention is as follows:
As shown in Figure 5, at first start network analyzer and computing machine, open testing software, the essential information of product to be measured is set; Provide the bind command of network analyzer and software; Place the sample antenna, the operator presses trigger switch K2, and cylinder starts, and under the control of the pressure adjusting pressuring valve of adjusting, timing relay, cylinder drives transmission antenna clamp and presses down antenna to be measured; Simultaneously, impel travel switch K3 closure by the transmission antenna clamp of cylinder control; Thus, computer printout mouth transmission line sends a signal to computing machine, and computer testing system is treated the observation line and carried out data acquisition and make data analysis simultaneously under the triggering of this signal, provides test result.
Claims (7)
1. production testing system that is used for mobile terminal antenna, it comprises that network analyzer (1) is characterized in that it also comprises a test camera bellows (3) and a computing machine (2) that cooperates network analyzer to calculate and export; In described test camera bellows, be provided with receiving antenna anchor clamps (4) and transmission antenna clamp (5); Described receiving antenna anchor clamps (4) are connected with the S21 port of network analyzer (1) by concentric cable (10); Described transmission antenna clamp (5) is connected with the S11 port of network analyzer (1) by another root concentric cable (9); Described transmission antenna clamp (5) comprises cylinder (6) and chuck body (51), and described cylinder is provided with the one stroke switch on (6), and described travel switch is connected on the printer interface of computing machine (2) by travel switch signal wire (11); Be connected with pressure-regulating valve door (7) and timing relay (8) on the cylinder (6) of described transmission antenna clamp (5); Be equipped with absorbing material (53) in the direct reflection district of described test camera bellows (3).
2. as being used for the production testing system of mobile terminal antenna in the claim 1, it is characterized in that described test camera bellows (3) is provided with camera bellows door (54) and operation window (55).
3. the production testing system that is used for mobile terminal antenna described in claim 1 is characterized in that the inwall of described camera bellows door (54) is provided with absorbing material (56).
4. the production testing system that is used for mobile terminal antenna described in claim 3 is characterized in that described absorbing material is a foam pyramid absorbing material.
5. as being used for the production testing system of mobile terminal antenna in claim 1 or 2 or 3, it is characterized in that described transmission antenna clamp (5) is provided with pressure feeler (52).
6. as being used for the production testing system of mobile terminal antenna in claim 1 or 2 or 3 or 4, it is characterized in that described test camera bellows (3) made by timber board.
7. as being used for the production testing system of mobile terminal antenna in claim 1 or 2 or 3, it is characterized in that described test camera bellows (3) and be arranged on the cylinder (6) of testing the transmission antenna clamp (5) in the camera bellows all being arranged on the camera bellows bracing frame (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102176559A CN101487864B (en) | 2008-11-25 | 2008-11-25 | Production detection system used for mobile terminal antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102176559A CN101487864B (en) | 2008-11-25 | 2008-11-25 | Production detection system used for mobile terminal antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101487864A CN101487864A (en) | 2009-07-22 |
| CN101487864B true CN101487864B (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102176559A Expired - Fee Related CN101487864B (en) | 2008-11-25 | 2008-11-25 | Production detection system used for mobile terminal antenna |
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| CN (1) | CN101487864B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645993A (en) * | 2015-11-04 | 2017-05-10 | 神讯电脑(昆山)有限公司 | Antenna detection system and method |
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| CN101988936A (en) * | 2009-07-30 | 2011-03-23 | 中国商用飞机有限责任公司 | Aircraft antenna simulation box and application method thereof |
| CN102104184A (en) * | 2009-12-21 | 2011-06-22 | 深圳富泰宏精密工业有限公司 | NFC antenna aided design system and NFC antenna aided design method |
| CN101917236B (en) * | 2010-07-23 | 2013-08-14 | 深圳市众恒世讯科技有限公司 | Automatic testing device |
| CN102654546B (en) * | 2012-04-26 | 2014-08-20 | 昆山福易雅自动化科技有限公司 | Rotary S21 detector of mobile terminal antenna |
| CN102685774A (en) * | 2012-05-23 | 2012-09-19 | 上海安费诺永亿通讯电子有限公司 | Mobile telephone antenna HAC (Hearing Aid Compatibility) or SAR (Specific Absorption Rate) test system and HAC test method |
| CN102857309B (en) * | 2012-07-27 | 2016-09-28 | 中兴通讯股份有限公司 | The method of testing of a kind of radio frequency index of active antenna system and device |
| CN104833869A (en) * | 2014-02-12 | 2015-08-12 | 富泰华工业（深圳）有限公司 | Antenna testing device and method |
| CN104301051B (en) * | 2014-09-19 | 2016-08-17 | 深圳市大迈科技有限公司 | The system of a kind of wireless data measurement, testing jig and shielded box |
| US10718805B2 (en) * | 2016-06-14 | 2020-07-21 | Micron Technology, Inc. | Apparatus and methods for testing devices |
| CN106199254B (en) * | 2016-06-30 | 2019-05-14 | 大连楼兰科技股份有限公司 | Quickly find the system and method for best car-mounted terminal coupling measurement position |
| CN108333442A (en) * | 2017-01-18 | 2018-07-27 | 常州柯特瓦电子有限公司 | A kind of All-in-One car antenna test system and test method |
| CN108801311B (en) * | 2018-07-06 | 2020-08-14 | Oppo（重庆）智能科技有限公司 | Test fixture and test method |
| DE102019121410A1 (en) * | 2019-08-08 | 2021-02-11 | Lisa Dräxlmaier GmbH | TEST DEVICE FOR TESTING AN ANTENNA |
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| CN1621854A (en) * | 2003-11-29 | 2005-06-01 | 富士康(昆山)电脑接插件有限公司 | Antenna testing method |
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| CN2857032Y (en) * | 2005-12-20 | 2007-01-10 | 华为技术有限公司 | Circuit board tester |
| CN101097234A (en) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区顺达电脑厂有限公司 | Test cabinet of double testing antenna |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621854A (en) * | 2003-11-29 | 2005-06-01 | 富士康(昆山)电脑接插件有限公司 | Antenna testing method |
| CN2777858Y (en) * | 2005-04-14 | 2006-05-03 | 上海聚星仪器有限公司 | Parallel network analyzer |
| CN2857032Y (en) * | 2005-12-20 | 2007-01-10 | 华为技术有限公司 | Circuit board tester |
| CN101097234A (en) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区顺达电脑厂有限公司 | Test cabinet of double testing antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106645993A (en) * | 2015-11-04 | 2017-05-10 | 神讯电脑(昆山)有限公司 | Antenna detection system and method |
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| CN101487864A (en) | 2009-07-22 |
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Granted publication date: 20111026 Termination date: 20161125 |