CN110289921A - A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment - Google Patents
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment Download PDFInfo
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- CN110289921A CN110289921A CN201910584370.7A CN201910584370A CN110289921A CN 110289921 A CN110289921 A CN 110289921A CN 201910584370 A CN201910584370 A CN 201910584370A CN 110289921 A CN110289921 A CN 110289921A
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 238000001228 spectrum Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000011056 performance test Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000005672 electromagnetic field Effects 0.000 description 3
- 244000144972 livestock Species 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
It is calibrated automatically the invention discloses a kind of RFID module radio-frequency power and automatic testing equipment, the Feedback of Power of calibration of power modular calibration RFID module to be measured is to controller, controller opens performance test to the RFID module to be measured that calibration passes through, if test passes through, completes entire calibration test.Advantage are as follows: the convenience and consistency for realizing RFID module radio-frequency module R&D and production alignment and test improve the high efficiency and consistency of the R&D and production of RFID module；It really realizes that RFID module is calibrated and tested automatically, avoids artificial and environment interference in complex process.
Description
Technical field
The invention belongs to Internet of Things field of communication technology, especially a kind of RFID module radio-frequency power is calibrated and automatic automatically
Test device, this is calibrated automatically and automatic testing equipment is a kind of super high frequency radio frequency identification technology that can be applied to industrial circle.
Background technique
Radio frequency identification (RFID) is a kind of wireless communication technique, and specific objective can be identified by radio signals and is read and write
Related data, without establishing mechanical or optical contact between identifying system and specific objective.
The signal of radio is the electromagnetic field by being tuned into radio frequency, data from the label being attached on article
It sends out, to recognize automatically and track the article.Certain labels are in identification from the electromagnetic field that identifier issues
Energy is obtained, battery is not needed；Also there is label itself to possess power supply, and can actively issue radio wave and (be tuned into radio
The electromagnetic field of frequency).Label contains the information of Electronic saving, can identify within several meters.Unlike bar code, penetrate
Frequency marking label do not need to be within identifier sight, can also be embedded in and be tracked within object.
Many industries have all used Radio Frequency Identification Technology.Label is attached to an automobile just in production, manufacturer is just
The progress of this vehicle in the production line can be tracked.Warehouse can track the place of drug.RF tag can also invest livestock with
On pet, the convenient positive identification to livestock and pet (actively identification, which is meant, prevents several livestocks from using the same identity).
The identification card of radio frequency identification can make employee get enter into the building part of latching, and the radio frequency transponder on automobile can also be with
For imposing the expense of charging section and parking lot.
Initially in technical field, transponder is the electronic module for referring to transmission information-reply information, in recent years, due to penetrating
The development of frequency technology is swift and violent, and transponder has new saying and meaning, and is called intelligent label or label.RFID electronic label
Reader is carried out wireless communication by antenna and RFID electronic label, and the reading to tag recognition code and internal storage data may be implemented
Or write operation.RFID technique can recognize high-speed moving object and can identify multiple labels simultaneously, swift and convenient to operate.Measurement and
The precision of calibration has band further to be promoted, to improve the application efficiency of RFID technique.
For RFID module in R&D and production, the superiority of radio-frequency performance and being difficult to keep for consistency are also a difficult point.
Summary of the invention
For the present invention in order to promote RFID module in R&D and production, the superiority and consistency of radio-frequency performance provide one
Kind RFID module radio-frequency power is calibrated automatically and automatic testing equipment, this is calibrated automatically and RFID may be implemented in automatic testing equipment
The target that radio-frequency module is calibrated automatically and tested automatically, calibration and test process are not necessarily to manual intervention, thus high-precision completion
RFID radio-frequency module superiority and consistency.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, comprising: host computer, spectrum analyzer, radio frequency connect
Wiring, antenna branch device, RFID antenna, controllable attenuator and RFID module to be measured, host computer communicate to connect spectrum analyzer,
The signal output of RFID module to be measured connects the signal input of antenna branch device by RF connection, antenna branch device
Third signal output connects spectrum analyzer, and second signal output is hanging, and first signal output passes through controllable
Attenuator connects RFID antenna；Host computer connects RFID module and controllable attenuator to be measured.
Further, RFID antenna includes test antenna and test label, tests antenna and test label is placed in screen
It covers in case.
Further, test antenna input is connected with controllable attenuator, tests antenna connecting test label, passes through test
The signal strength of tag feedback, Auto-matching calculate most critical pad value.
Further, host computer connects spectrum analyzer by computer TCP/IP interface, while being connected by serial communication
Controllable attenuator and RFID module jig are connect, RFID module to be measured is placed in RFID module jig by pin mode.
Beneficial effects of the present invention realize RFID module radio-frequency module R&D and production alignment and test convenience and
Consistency improves the high efficiency and consistency of the R&D and production of RFID module；Really realize that RFID module is calibrated and surveyed automatically
Examination avoids artificial and environment interference in complex process.
Detailed description of the invention
Accompanying drawing 1 is the structural representation of the present invention.
Attached drawing 2 is antenna branch device connection schematic diagram of the invention.
Attached drawing 3 is operating process schematic diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention 1-3, technical solution in the embodiment of the present invention carry out it is clear,
It is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of RFID module radio-frequency power is calibrated and automatic testing equipment automatically, calibration of power modular calibration
The Feedback of Power of RFID module to be measured opens performance test to the RFID module to be measured that calibration passes through to controller, controller, if
Test passes through, and completes entire calibration test.
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, including host computer 102, spectrum analyzer
101, RF connection, antenna branch device 105, RFID antenna, controllable attenuator 106 and RFID module to be measured 104, host computer
102 communication connection spectrum analyzers 101, the signal output of RFID module 104 to be measured connect antenna point by RF connection
The signal input 202 of prop 105, the third signal output 203 of antenna branch device 105 connect spectrum analyzer 101, the
Two signal outputs 204 are hanging, and first signal output 205 connects RFID antenna by controllable attenuator 106；Host computer
102 connections RFID module 104 to be measured and controllable attenuator 106.
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, and RFID antenna includes test 107 He of antenna
Test label 109, tests antenna 107 and test label 109 is placed in shielded box 108.Ensure in test process not by ring
Border and artificial interference.
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, and test 107 input terminal of antenna is connected with can
Attenuator 106 is controlled, 107 connecting test label 109 of antenna, the signal strength fed back by test label 109, Auto-matching are tested
Calculate most critical pad value, it is ensured that the consistency of 104 performance of RFID module to be measured.
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, and host computer 102 passes through computer TCP/IP
Interface connects spectrum analyzer 101, while connecting controllable attenuator 106 and RFID module jig 103 by serial communication, to be measured
RFID module 104 is placed in RFID module jig 103 by pin mode, and PC control RFID module 104 to be measured is penetrated
Frequency power, host computer 102 obtain the power samples value of spectrum analyzer 101, compare verifying with output theoretical power (horse-power) value, lead to
It crosses and judges actually measured power being fitted to modular power register.
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, RFID module 104 to be measured are placed in calibration
It in test fixture, is connect with host computer, after visualizing the necessary parameter configuration of automatic calibration test process software progress, process will
It is automatic to carry out modular calibration test, and output passes through or unacceptable result.
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, and host computer is computer based visualization
Operate host computer 102.
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, computer based visualized operation are upper
It include that RFID module radio-frequency power calibrate and automatic testing software automatically in machine, RFID module radio-frequency power is calibrated and automatically automatically
Test software includes: to visualize automatic flow calibration and automatic testing software, automatic calibration and the auto test flow page, automatically
Calibration and the automatic test configurations page.
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, and spectrum analyzer 101 is power measurement
Instrument, the power that module to be measured can be different by instruction issue return to collected quantity after frequency spectrograph acquisition, and host computer passes through reality
Border power and theoretical power (horse-power) compare fitting, determine whether module to be measured passes through measurement.
A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, antenna branch device third signal output
RFID module receptivity to be measured can be quantified by the size of regulated attenuator by the test antenna that controllable attenuator connects,
And guarantee radio-frequency module receptivity consistency.
As shown in Fig. 2, antenna branch device 201, inside is that controllable multipath switchs, when radiofrequency signal needs to be input to frequency spectrum point
When analyzer, at this time by PC control antenna branch device 201, the third signal output 203 of antenna branch device works, when
Need radio-frequency power hanging, when convenient for test maximum reflection signal, host computer passes through control antenna branch device 201, antenna branch
Device port 204 works, when needing radiofrequency signal to enter test antenna, when being used for test label, and PC control antenna branch device
201, first signal output 205 work of antenna branch device.
As shown in figure 3, connection equipment, click start to calibrate, automatic process of calibrating starts to carry out calibration of power link, to be measured
RFID module real output size and theoretical value carry out performance number fitting, it is determined whether meet index request, the calibration of power
Terminate；If it does not meet the requirements, calibration unsuccessfully returns and starts to calibrate；If meeting the requirements, calibration passes through；Automatically into test label stream
Journey, the signal magnitude returned by label automatically adjust attenuator numerical value, and pad value Auto-matching completes RFID module to be measured
Performance test, test label terminate, if test crash, return starts to calibrate；If test passes through, entire calibration test stream is completed
Journey.
The present invention is not limited to above-mentioned specific embodiment, and persons skilled in the art are disclosed interior according to the present invention
Hold, can be implemented using other a variety of specific embodiments of the invention or all using design structure and think of of the invention
Road does simple change or change, both falls within protection scope of the present invention.
Claims (4)
1. a kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment, comprising: host computer, spectrum analyzer, radio frequency
Connecting line, antenna branch device, RFID antenna, controllable attenuator and RFID module to be measured, it is characterised in that: host computer communication link
Spectrum analyzer is connect, the signal output of RFID module to be measured is inputted by the signal that RF connection connects antenna branch device
Mouthful, the third signal output of antenna branch device connects spectrum analyzer, and second signal output is hanging, first signal
Delivery outlet connects RFID antenna by controllable attenuator；Host computer connects RFID module and controllable attenuator to be measured.
2. a kind of RFID module radio-frequency power according to claim 1 is calibrated automatically and automatic testing equipment, feature exist
In: RFID antenna includes test antenna and test label, tests antenna and test label is placed in shielded box.
3. a kind of RFID module radio-frequency power according to claim 2 is calibrated automatically and automatic testing equipment, feature exist
In: test antenna input is connected with controllable attenuator, tests antenna connecting test label, the signal fed back by test label
Intensity, Auto-matching calculate most critical pad value.
4. a kind of RFID module radio-frequency power according to claim 1 is calibrated automatically and automatic testing equipment, feature exist
Spectrum analyzer is connected by computer TCP/IP interface in: host computer, at the same by serial communication connect controllable attenuator with
RFID module jig, RFID module to be measured are placed in RFID module jig by pin mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920810622 | 2019-05-31 | ||
| CN2019208106229 | 2019-05-31 |
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| CN110289921A true CN110289921A (en) | 2019-09-27 |
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| CN201921010298.9U Active CN209767550U (en) | 2019-05-31 | 2019-07-01 | Automatic calibration and automatic testing device for radio frequency power of RFID (radio frequency identification) module |
| CN201910584370.7A Pending CN110289921A (en) | 2019-05-31 | 2019-07-01 | A kind of RFID module radio-frequency power is calibrated automatically and automatic testing equipment |
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| CN209767550U (en) * | 2019-05-31 | 2019-12-10 | 杭州亚鑫科技有限公司 | Automatic calibration and automatic testing device for radio frequency power of RFID (radio frequency identification) module |
| US20230079671A1 (en) * | 2020-02-25 | 2023-03-16 | Avery Dennison Retail Information Services Llc | Convergence of performance of rfid devices in an electronic article surveillance system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004289462A (en) * | 2003-03-20 | 2004-10-14 | Toppan Forms Co Ltd | Apparatus and method for inspecting rf-id media |
| US20070290802A1 (en) * | 2006-06-09 | 2007-12-20 | Intelleflex Corporation | System, method and computer program product for calibrating interrogator signal strength and/or tag response range setting |
| CN107395295A (en) * | 2017-08-23 | 2017-11-24 | 国网上海市电力公司 | A kind of function detecting system and method for micropower communication module |
| CN109614828A (en) * | 2018-11-07 | 2019-04-12 | 锐捷网络股份有限公司 | A kind of RFID reader performance test methods, device and storage medium |
| CN209767550U (en) * | 2019-05-31 | 2019-12-10 | 杭州亚鑫科技有限公司 | Automatic calibration and automatic testing device for radio frequency power of RFID (radio frequency identification) module |
-
2019
- 2019-07-01 CN CN201921010298.9U patent/CN209767550U/en active Active
- 2019-07-01 CN CN201910584370.7A patent/CN110289921A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004289462A (en) * | 2003-03-20 | 2004-10-14 | Toppan Forms Co Ltd | Apparatus and method for inspecting rf-id media |
| US20070290802A1 (en) * | 2006-06-09 | 2007-12-20 | Intelleflex Corporation | System, method and computer program product for calibrating interrogator signal strength and/or tag response range setting |
| CN107395295A (en) * | 2017-08-23 | 2017-11-24 | 国网上海市电力公司 | A kind of function detecting system and method for micropower communication module |
| CN109614828A (en) * | 2018-11-07 | 2019-04-12 | 锐捷网络股份有限公司 | A kind of RFID reader performance test methods, device and storage medium |
| CN209767550U (en) * | 2019-05-31 | 2019-12-10 | 杭州亚鑫科技有限公司 | Automatic calibration and automatic testing device for radio frequency power of RFID (radio frequency identification) module |
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