CN107896132A - LAN protocol detecting system - Google Patents
LAN protocol detecting system Download PDFInfo
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- CN107896132A CN107896132A CN201711084198.6A CN201711084198A CN107896132A CN 107896132 A CN107896132 A CN 107896132A CN 201711084198 A CN201711084198 A CN 201711084198A CN 107896132 A CN107896132 A CN 107896132A
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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
- H04B17/29—Performance testing
Abstract
Embodiment of the present invention is related to wireless communication technology field, discloses a kind of LAN protocol detecting system.In the present invention, LAN protocol detecting system includes：Switch arrays, interchanger, ZigBee signal sources, equipment under test, control device；Switch arrays are connected with interchanger, ZigBee signal sources and equipment under test respectively, for interchanger, ZigBee signal sources and equipment under test to be connected；Interchanger is connected with control device, ZigBee signal sources and equipment under test respectively, for control device, ZigBee signal sources and equipment under test to be connected.The LAN protocol detecting system that embodiment of the present invention provides, can realize that the ZigBee sensitivity to equipment under test is tested.
Description
Technical field
Embodiment of the present invention is related to wireless communication technology field, more particularly to a kind of LAN protocol detecting system.
Background technology
With the development of technology of Internet of things, all kinds of short-range communication techniques emerge in an endless stream, wherein ZigBee protocol (ZigBee)
There is the low technology of simple, easy to use, reliable operation, price as one, occupied in the development of Internet of Things
Certain position.
For the product using ZigBee technology (hereinafter referred to as：Equipment under test) for, we in production and sales, it is necessary to
The assessment of each side is carried out to its reliability.But inventor has found that at least there are the following problems in the prior art：Due to tested
The production firm of equipment is different, even if identical equipment under test is in use, its sensitivity can also have differences, and
It can be disturbed during use by various types of signal, certain influence can also be produced to the sensitivity of equipment under test in itself.And mesh
The preceding test to equipment under test sensitivity, for different equipment under tests, different interference environments, it is necessary to build different tests
Environment, because build process is cumbersome so that the detection operation to equipment under test becomes complicated, has had a strong impact on the quick-acting rates of detection,
And during environmental structure, the influence of human factor, it can not often ensure the stability of test environment so that test knot
Fruit is not accurate enough.
The content of the invention
The purpose of embodiment of the present invention is to provide a kind of LAN protocol detecting system, can realized to equipment under test
ZigBee sensitivity tested, and simple to operate, accuracy is high.
In order to solve the above technical problems, embodiments of the present invention provide a kind of LAN protocol detecting system, including：
Switch arrays, interchanger, ZigBee signal sources, equipment under test, control device；Switch arrays respectively with interchanger, ZigBee signal sources
And equipment under test connection, for interchanger, ZigBee signal sources and equipment under test to be connected；Interchanger is set with control respectively
Standby, ZigBee signal sources and equipment under test connection, for control device, ZigBee signal sources and equipment under test to be connected；
Wherein, when the ZigBee sensitivity to equipment under test is tested, control device control equipment under test enters reception pattern, and
Control the ZigBee signals of packet of the ZigBee signal sources generation comprising predetermined number；ZigBee signal sources will by switch arrays
ZigBee signals are transmitted to equipment under test；Control device obtains the number for the packet that equipment under test receives by interchanger,
And the number of the packet received according to equipment under test, the signal of the ZigBee signals of adjustment ZigBee signal source generations are strong
Degree, until the number for the packet that equipment under test receives is less than first threshold；Control device is set according to predetermined number with tested
The number of the standby packet received, determine the ZigBee sensitivity levels of equipment under test；Control device is by ZigBee sensitivity
Grade compared with default ZigBee sensitivity levels, according to comparative result determine equipment under test ZigBee sensitivity whether
It is qualified.
Embodiment of the present invention is in terms of existing technologies, there is provided a kind of LAN protocol detecting system, passes through profit
Interchanger, ZigBee signal sources and equipment under test are connected with switch arrays, using interchanger by control device, ZigBee signals
Source and equipment under test connection, so as to when the ZigBee sensitivity to equipment under test is tested, can directly pass through
Control device operates to ZigBee signal sources, equipment under test, and then the survey of the ZigBee sensitivity to equipment under test
Examination, and different test environments can be set by control device because whole LAN protocol detecting system once connects,
The test of the ZigBee sensitivity to equipment under test is realized, it is simple to operate, and because whole test process is without artificially manual
Regulation, ensure that the accuracy of test result.
In addition, LAN protocol detecting system also includes interference source；Interference source is connected with interchanger, switch arrays respectively；Its
In, when the ZigBee anti-interferences to equipment under test are tested, control device control equipment under test enters reception pattern, controls
The ZigBee signals of packet of the ZigBee signal sources generation comprising predetermined number processed, and control interference source to generate interference signal；
Interference source is transmitted interference signal to equipment under test by switch arrays, and equipment under test is disturbed；ZigBee signal sources pass through
Switch arrays transmit ZigBee signals to equipment under test；Control device obtains shadow of the equipment under test in interference signal by interchanger
Under sound, the number of the packet received, and the number of the packet received according to equipment under test, adjust ZigBee signal sources
The signal intensity of the ZigBee signals of generation, until the number for the packet that equipment under test receives is less than Second Threshold；Control
The number for the packet that equipment receives according to predetermined number and equipment under test, determines ZigBee anti-interferences of equipment under test etc.
Level；Control device by ZigBee anti-interferences grade compared with default ZigBee anti-interferences grade, according to comparative result
Determine whether the ZigBee anti-interferences of equipment under test are qualified.In the present invention, by being set in LAN protocol detecting system
Interference source, and using interchanger and switch arrays by interference source access to LAN protocol detection system, so as to be set by control
It is standby that interference source is controlled, and then the test to the ZigBee anti-interferences of equipment under test is realized, and due to whole test
Process also ensure that the accuracy of test result without artificially regulation manually.
In addition, switch arrays include test interface, control interface and middle converting interface；Middle converting interface respectively with test interface and control
Interface connection processed, test interface are connected with ZigBee signal sources, interference source and equipment under test respectively, control interface and interchanger
Connection.
In addition, test interface specifically includes：ZigBee signal testings sub-interface, interference source signal testing sub-interface and tested
Equipment tests sub-interface；Wherein, ZigBee signal sources pass through ZigBee signal testings sub-interface and transfer orifice, interference source
By interference source signal testing sub-interface and transfer orifice, equipment under test tests sub-interface and middle switching by equipment under test
Mouth connection.
In addition, switch arrays also include electronic attenuator；Electronic attenuator respectively with ZigBee signal testings sub-interface, control
Interface and middle converting interface connection, for according to control interface receive come to the test of control device instruct, regulation
The signal intensity of the ZigBee signals for the ZigBee signal sources output that ZigBee signal testing sub-interfaces receive.In the present invention,
By setting electronic attenuator in switch arrays, so as to directly realize what ZigBee signal sources were generated by switch arrays
The regulation of the signal intensity of ZigBee signals, without extra access signal source adjusting device, reduce in test process, circuit with
And the access of other equipment, facilitate test.
In addition, LAN protocol detecting system also includes Regulate signal source, matching impedance element and frequency spectrograph；Regulate signal
Source is connected to ZigBee signal testing sub-interfaces, and matching impedance element is connected to interference source signal testing sub-interface, and frequency spectrograph connects
It is connected to equipment under test test sub-interface；Wherein, ZigBee sensitivity of the LAN protocol detecting system to equipment under test is being used
Or before anti-interference is tested, utilize Regulate signal source, matching impedance element and frequency spectrograph local area network protocol detection system
System is calibrated.In the present invention, by setting Regulate signal source, matching impedance element and frequency spectrograph, so as to utilize office
Before the ZigBee sensitivity of domain fidonetFido detecting system test equipment under test or the test of anti-interference, realize that local area network is assisted
View detecting system is calibrated, and then ensures the accuracy of test result.
In addition, the resistance of matching impedance element is 50 ohm.In the present invention, increase matching impedance element, which can reach, to be prevented
Influence of other interference signals to test result, and select resistance preferably to be realized for 50 ohm of matching impedance element
To the ZigBee sensitivity of equipment under test or the test of anti-interference.
In addition, LAN protocol detecting system also includes shielded box；Wherein, switch arrays, interchanger, ZigBee signal sources and
Equipment under test is placed in shielded box.In the present invention, by by switch arrays, interchanger, ZigBee signal sources and tested setting
It is standby be placed in the medium equipment of shielded box place with shielded box, it is pre- so as to be limited in electromagnetic capability using shielded box
If in scope, reaching the effect for suppressing radiation interference, realize and provide glitch-free test environment to equipment under test, and then ensure
The accuracy of test result.
In addition, switch arrays are connected by RF cable with ZigBee signal sources, equipment under test.In the present invention, switch arrays are led to
Cross RF cable to be connected with ZigBee signal sources, equipment under test so that the ZigBee for the rated frequency that ZigBee signal sources are sent
Signal can be transmitted accurately to equipment under test, ensure ZigBee sensitivity inspection of the LAN protocol detecting system to equipment under test
The accuracy of survey.
In addition, interchanger is connected by netting twine with control device, switch arrays, ZigBee signal sources, equipment under test.The present invention
In, interchanger realizes the connection with control device, switch arrays, ZigBee signal sources and equipment under test especially by netting twine, real
Connection between existing control device, switch arrays, ZigBee signal sources, equipment under test, so that control device can lead to
Cross the communication line and send corresponding communication instruction to above-mentioned each device, realize the communication with each device.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, and these are exemplary
Illustrate not form the restriction to embodiment, the element with same reference numbers label is expressed as similar member in accompanying drawing
Part, unless there are special statement, composition does not limit the figure in accompanying drawing.
Fig. 1 is the structural representation of the LAN protocol detecting system of first embodiment of the invention；
Fig. 2 is the structural representation of the LAN protocol detecting system of second embodiment of the invention；
Fig. 3 is the structural representation of the LAN protocol detecting system of third embodiment of the invention.
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, below in conjunction with accompanying drawing to this hair
Bright each embodiment is explained in detail.However, it will be understood by those skilled in the art that in each implementation of the invention
In mode, in order that reader more fully understands the application and proposes many ins and outs.It is but even if thin without these technologies
Section and many variations based on following embodiment and modification, can also realize the application technical scheme claimed.
The first embodiment of the present invention is related to a kind of LAN protocol detecting system, LAN protocol detecting system master
It is used to the ZigBee sensitivity to equipment under test test, concrete structure is as shown in Figure 1.
As shown in figure 1, the LAN protocol detecting system includes switch arrays 1, interchanger 2, ZigBee signal sources 3, tested
Equipment 4, control device 5.
Wherein, switch arrays 1 are connected with interchanger 2, ZigBee signal sources 3 and equipment under test 4 respectively, for by interchanger
2nd, ZigBee signal sources 3 and equipment under test 4 connect.Interchanger 2 respectively with control device 5, ZigBee signal sources 3 and tested
Equipment 4 connects, for control device 5, ZigBee signal sources 3 and equipment under test 4 to be connected.
Specifically, the switch arrays 1 in present embodiment can include test interface 1-1, control interface 1-2 and middle switching
Mouth 1-3.
Wherein, middle converting interface 1-3 is connected with test interface 1-1 and control interface 1-2 respectively, test interface 1-1 respectively with
ZigBee signal sources 3, equipment under test 4 are connected, and control interface is connected with interchanger, and specific connection is as shown in Figure 1.
It should be noted that due to the predominantly frequency tested in present embodiment, therefore switch arrays 1 are specifically to use to penetrate
Frequency cable realizes what is be connected between ZigBee signal sources 3 and equipment under test 4, so as to so that ZigBee signal sources 3 are sent
The ZigBee signals of rated frequency can accurately transmit to equipment under test 4, frequency of the equipment under test 4 in test process
Control device 5 can be accurately transferred to by switch arrays 1, and then ensure that LAN protocol detecting system to equipment under test
The accuracy of ZigBee sensitivity techniques.
Further, since the LAN protocol detecting system that present embodiment provides is, it is necessary to by control device 5 to whole system
Device in system is controlled, therefore in order to ensure that control device 5 can send corresponding communication instruction to above-mentioned each device,
Interchanger 2 in present embodiment be specifically using netting twine realize with control device 5, switch arrays 1, ZigBee signal sources 3 and
The connection of equipment under test 4, so that control device 5 can be sent accordingly by the communication line to above-mentioned each device
Communication instruction, realize and the communication of each device.
In order to make it easy to understand, it is specifically described below for the test process of the ZigBee sensitivity of equipment under test：
When the ZigBee sensitivity to equipment under test is tested, control device 5 needs first to control equipment under test 4 to enter
Reception pattern, and control the ZigBee signals of packet of the generation of ZigBee signal sources 3 comprising predetermined number.
Specifically, the ZigBee signals that ZigBee signal sources 3 generate are specifically according to preset requirement generation, such as frequency
For 2405MHz, transmission power 10dBm, the line loss value for compensating line loss is 2405MHz, comprising packet be 1000 etc..
Limit for example, not formed to technical scheme it should be noted that these are only, actually should
In, those skilled in the art can be as needed, sets suitable requirement, is not limited herein.
ZigBee signal sources 3 are after according to the ZigBee signals needed for above-mentioned requirements generation test, it is necessary to pass through switch arrays 1
ZigBee signals are transmitted to equipment under test 4.
In addition, it is necessary to explanation, in order to ensure that ZigBee signal sources 3 can launch the ZigBee signals of generation
Go, in actual applications, it is also necessary to which control device 5 detects whether ZigBee signal sources 3 open emission switch, if skill
Art personnel are not turned on emission switch, it is necessary to control ZigBee signal sources 3 to open in assembling.
Then, control device 5 obtains the number for the packet that equipment under test 4 receives by interchanger 2, and according to tested
The number for the packet that equipment 4 receives, the signal intensity of the ZigBee signals of the generation of adjustment ZigBee signal sources 3, until quilt
The number for the packet that measurement equipment 4 receives is less than first threshold.
Specifically, in order to realize the modulation of the signal intensity of the ZigBee signals generated to ZigBee signal sources 3, in reality
In the application of border, an electronic attenuator (being to show in Fig. 1) can also be set, so as to which control device 5 can pass through in switch arrays 1
Control electronic attenuator is stepped up decaying, and reaches the signal intensity of the ZigBee signals of the generation of adjustment ZigBee signal sources 3
Effect, and the number of the packet received by constantly obtaining equipment under test 4 is adjusted to ZigBee signal sources 3,
Until it is determined that the number for the packet that equipment under test 4 receives is less than first threshold.
It should be noted that the setting of described first threshold herein is specifically to be wanted according to the manufacturer for producing equipment under test
Ask setting.
Then, the number for the packet that control device 5 receives according to predetermined number and equipment under test 4, it is determined that tested set
Standby 4 sensitivity level.
It should be noted that the number for the packet that control device 5 receives according to predetermined number and equipment under test 4, really
The sensitivity level process of fixed equipment under test 4 is specific as follows：
The number of the packet first received according to predetermined number (being 1000 in present embodiment) with equipment under test 5, than
Such as 980, the data packet error rate of equipment under test 5 is determined, the sensitivity of equipment under test 5 is then determined according to data packet error rate
Grade.
Specifically, the error rate of packet can calculate according to equation below：
After above-mentioned numerical value is brought into, it is 2% that can calculate final data packet error rate, according to the packet calculated
Error rate, which is found, produces the sensitivity level division table that the manufacturer of the equipment under test 4 provides, so that it is determined that equipment under test 5 is sensitive
Spend grade.
Limited it should be noted that these are only for example, not formed to technical scheme.
Finally, control device 5 by sensitivity level compared with default sensitivity level, you can it is true according to comparative result
Whether the sensitivity for determining equipment under test is qualified.
By foregoing description, it is seen that, control device 5 can by interchanger 2 in whole LAN protocol detecting system
To realize to ZigBee signal sources 3 and the Control on Communication of equipment under test 4, and equipment under test 4 can be read by switch arrays 1
The ZigBee signals that ZigBee signal sources 3 generate, and because whole LAN protocol detecting system is once connected and can passed through
Control device 5 sets different test environments, realizes the test of the ZigBee sensitivity to equipment under test, simple to operate, and
Because whole test process is without artificially regulation manually, it is ensured that the accuracy of test result.
In addition, it is noted that in order to ensure the accuracy of test result, in actual applications can also be in LAN
A shielded box (not shown in figure 1) is set up in protocol detection system, then by switch arrays 1, interchanger 2, ZigBee signal sources 3
And equipment under test 4 is placed in shielded box, interchanger 2 is connected by the network interface on shielded box with the control device 5 in the external world,
So as to using shielded box by electromagnetic capability limit within a preset range, reach suppress radiation interference effect, realize to
Equipment under test 4 provides glitch-free test environment, and then ensure that the accuracy of test result.
Second embodiment of the present invention is related to a kind of LAN protocol detecting system.Present embodiment is in the first embodiment party
Further improvement is done on the basis of formula, main improvements are：LAN protocol detecting system also includes interference source, so as to
To realize the test to the ZigBee anti-interferences of equipment under test.
As shown in Fig. 2 the LAN protocol detecting system provided in present embodiment except including the device shown in Fig. 1 it
Outside, in addition to interference source 6.Wherein, interference source 6 is connected with interchanger 2, switch arrays 1 respectively.
Specifically, interference source 6 is connected with the test interface 1-1 in switch arrays 1.
In addition, it is necessary to explanation, in actual applications, can be carried out specifically to test interface 1-1 according to test function
It is included in, test interface 1-1 is specifically such as divided into 3 sub-interfaces, is respectively：ZigBee signal testing sub-interfaces 1-11, interference
Source signal tests sub-interface 1-12 and equipment under test test sub-interface 1-13.
Wherein, ZigBee signal sources 3 are connected by ZigBee signal testing sub-interface 1-11 with middle converting interface 1-3, but
In practical application, electronic attenuator 1-4 is also included in the switch arrays 1 of LAN protocol detecting system, control device 5 passes through regulation
Electronic attenuator 1-3 decay intensity, so as to reach the tune of the signal intensity of the ZigBee signals produced to ZigBee signal sources 3
Section, thus ZigBee signal testing sub-interfaces 1-11 needs to realize by electronic attenuator 1-4 and middle converting interface 1-3 connection,
I.e. ZigBee signal sources 3 are really finally transported to transfer by ZigBee signal testing sub-interfaces 1-11, electronic attenuator 1-4
In interface 1-3, specific connection in detail as shown in Figure 2, electronic attenuator 1-4 respectively with ZigBee signal testing sub-interfaces 1-11,
Control interface 1-2 and middle converting interface 1-3 connections, so as to according to control interface 1-2 receive come to control device 5
Test instruction, the ZigBee signals that the ZigBee signal sources 3 that regulation ZigBee signal testing sub-interfaces 1-11 is received export
Signal intensity.
In addition, interference source 6 is connected by interference source signal testing sub-interface 1-12 with middle converting interface 1-3, equipment under test 4 is logical
Equipment under test test sub-interface 1-13 is crossed to connect with middle converting interface 1-3.
In addition, it is necessary to explanation, the control interface 1-2 in switch arrays 1 directly can be declined by electronics in actual applications
The network interface for subtracting device 1-4 serves as, specifically can be with the technology in capable domain so there is no need to be separately provided control interface
Personnel are arranged as required to, and are not limited herein.
Similarly, in order to ensure that interference source 6 and ZigBee signal sources 3, equipment under test 4 and control device 5 interact, do
Disturb and also connected between source 6 and switch arrays 1 using RF cable, also connected between interference source 6 and interchanger 2 using netting twine.Also,
In order to ensure that the interference signal that interference source 6 generates meets test request, it is not affected by the external environment, interference source 6 is in practical application
In can also be placed into shielded box.
In order to make it easy to understand, it is specifically described below for the test process of the ZigBee anti-interferences of equipment under test：
When the ZigBee anti-interferences to equipment under test are tested, control device 5 needs also exist for controlling equipment under test 4
Into reception pattern, control ZigBee signal sources 3 generate the ZigBee signals of the packet comprising predetermined number, and control interference
Source 6 generates interference signal.
Roughly the same with first embodiment, the ZigBee signals that ZigBee signal sources 3 generate are specifically according to default
It is required that generation, if frequency is 2405MHz, transmission power 10dBm, the line loss value for compensating line loss is 2405MHz, comprising number
It it is 1000 etc. according to bag.
The interference signal (being used to simulate the Wireless Fidelity signals of surroundings, i.e. WiFi signal) that interference source 6 generates can be with
It is to be modulated according to OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexi)
Frequency is 2412MHz, and intensity is 20dBm signal.
Limit for example, not formed to technical scheme it should be noted that these are only, actually should
In, those skilled in the art can be as needed, sets suitable requirement, is not limited herein.
ZigBee signal sources 3 and interference source 6 lead to respectively after ZigBee signals and interference signal is generated according to above-mentioned requirements
Switch arrays 1 are crossed to transmit the signal of generation to equipment under test.
Control device 5 obtains equipment under test 4 under the influence of interference signal by interchanger 2, the packet received
Number, and the number of the packet received according to equipment under test 4, the ZigBee signals of the generation of adjustment ZigBee signal sources 3
Signal intensity, until the number for the packet that equipment under test 4 receives is less than Second Threshold.
It should be noted that the setting of described Second Threshold herein is specifically to be wanted according to the manufacturer for producing equipment under test
Ask setting.
The number for the packet that control device 5 receives according to predetermined number and equipment under test 4, determines equipment under test 4
Anti-interference grade.
Control device 5 by anti-interference grade compared with default anti-interference grade, so as to according to compare knot
Fruit determines whether the anti-interference of equipment under test 4 is qualified.
It is no longer superfluous herein because the determination mode of anti-interference grade and the determination mode of grade of sensitivity are roughly the same
State, specific operation is referred to the related content in first embodiment, in addition, those skilled in the art can also basis
Actual conditions, reasonable computation is carried out, is not limited herein.
Limited it should be noted that these are only for example, not formed to technical scheme.
By foregoing description it is seen that, by increasing interference source 6 in LAN protocol detecting system, and according to Fig. 2
Shown connected mode realizes connection, so as to realize the test in the ZigBee anti-interferences to equipment under test, due to whole
Individual test process can be controlled directly by the realization of control device 5, and without artificial regulation manually, thus operation is simpler, and
And the accuracy of anti-interference test result can be ensured.
Third embodiment of the invention is related to a kind of LAN protocol detecting system.Present embodiment is in second embodiment
On the basis of done further improvement, main improvements are：LAN protocol detecting system also includes Regulate signal source, matching
Impedor and frequency spectrograph, so as to the ZigBee sensitivity of equipment under test or anti-interference test before, local area network
Protocol detection system is calibrated.
As shown in figure 3, the LAN protocol detecting system in present embodiment, in addition to including the device shown in Fig. 2,
Also include Regulate signal source 7, matching impedance element 8 and frequency spectrograph 9.
Wherein, Regulate signal source 7 is connected to ZigBee signal testing sub-interface 1-11, and matching impedance element 8 is connected to dry
Source signal test sub-interface 1-12 is disturbed, frequency spectrograph 9 is connected to equipment under test test sub-interface 1-13.
In addition, it is noted that because present embodiment is primarily directed to the ZigBee sensitivity of equipment under test or anti-
What interference was tested, therefore the resistance value of the matching impedance element 8 selected is 50 ohm, can effectively prevent other interference
The interference of ZigBee sensitivity or anti-interference test result of the signal to equipment under test 4.
In order to make it easy to understand, it is specifically described below：
For example according to test needs, tranmitting frequency is accessed in LAN protocol detecting system to need the frequency tested
Regulate signal source 7, setting emissive porwer is 0dBm, and type of waveform is continuous wave signal, and the center frequency point of frequency spectrograph 9 is set
To need the frequency tested, span (SPAN) is 10M, and emissive porwer 40dBm, minimum frequency range difference (RBW) is 1MHz, display
Bandwidth (VBW) is 1MHz, and other are arranged to give tacit consent to.
The ZigBee sensitivity of equipment under test or anti-interference are being carried out testing it using LAN protocol detecting system
Before, the signal emission switch in Regulate signal source 7 is opened, and click on peak value searching (Peak Search) Peak of frequency spectrograph 9
Search buttons, read and record result.
It should be noted that the result of above-mentioned record is in test process, ZigBee signal sources 3 to equipment under test 4 it
Between the line loss of frequency tested.
In order to ensure calibration result, can be by the set of frequency for needing to test successively according to aforesaid operations flow
2405MHz, 2410MHz, 2415MHz, 2420MHz, 2425MHz, 2430MHz, 2435MHz, 2440MHz, 2445MHz,
2450MHz, 2455MHz, 2460MHz, 2465MHz, 2470MHz, 2475MHz, 2480MHz, complete local area network protocol detection
The calibration of system.
Limit for example, not formed to technical scheme it should be noted that these are only, actually should
In, those skilled in the art can carry out calibration test according to being actually needed.
In addition, it is necessary to explanation, the calibration operation of local area network protocol detection system are generally only needed so that this is
Before system carries out first time test to the ZigBee sensitivity of equipment under test or anti-interference, in use process afterwards
In, those skilled in the art can be as needed every one section of actual progress primary calibration, without equal before each test
Calibration.
In addition, for the ease of the control to regulation signal source 7, matching impedance element 8 and frequency spectrograph 9, in actual applications,
Regulate signal source 7, matching impedance element 8 and frequency spectrograph 9 can also be connected with control device 5 so that those skilled in the art
Member directly can be controlled by control device 5 to regulation signal source 7, matching impedance element 8 and frequency spectrograph 9, reached and played a game
The calibration of domain fidonetFido detecting system.
ZigBee sensitivity of the LAN protocol detecting system to equipment under test it is seen that, is being used by foregoing description
Or before anti-interference is tested, local area network can be realized using Regulate signal source 7, matching impedance element 8 and frequency spectrograph 9
The calibration of protocol detection system, so as to ensure the accuracy of test result.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment party of the present invention
Formula, and in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and model of the present invention
Enclose.
Claims (10)
- A kind of 1. LAN protocol detecting system, it is characterised in that including：It is switch arrays, interchanger, ZigBee signal sources, tested Equipment, control device；The switch arrays are connected with the interchanger, the ZigBee signal sources and the equipment under test respectively, for by institute State interchanger, the ZigBee signal sources and equipment under test connection；The interchanger is connected with the control device, the ZigBee signal sources and the equipment under test respectively, for inciting somebody to action The control device, the ZigBee signal sources and equipment under test connection；Wherein, when the ZigBee sensitivity to the equipment under test is tested, described be tested of control device control sets It is standby to enter reception pattern, and control the ZigBee signals of the packet of the ZigBee signal sources generation comprising predetermined number；The ZigBee signal sources are transmitted the ZigBee signals to the equipment under test by the switch arrays；The number for the packet that the control device is received by the interchanger acquisition equipment under test, and according to The number for the packet that the equipment under test receives, adjust the ZigBee signals of the ZigBee signal sources generation Signal intensity, until the number for the packet that the equipment under test receives is less than first threshold；The number for the packet that the control device receives according to the predetermined number and the equipment under test, determines institute State the ZigBee sensitivity levels of equipment under test；The control device by the ZigBee sensitivity levels compared with default ZigBee sensitivity levels, according to comparing As a result determine whether the ZigBee sensitivity of the equipment under test is qualified.
- 2. LAN protocol detecting system according to claim 1, it is characterised in that the LAN protocol detecting system Also include interference source；The interference source is connected with the interchanger, the switch arrays respectively；Wherein, when the ZigBee anti-interferences to the equipment under test are tested, the control device control is described tested Equipment enters reception pattern, controls the ZigBee signals of the packet of the ZigBee signal sources generation comprising predetermined number, and Control the interference source generation interference signal；The interference source is transmitted the interference signal to the equipment under test by the switch arrays, and the equipment under test is entered Row interference；The ZigBee signal sources are transmitted the ZigBee signals to the equipment under test by the switch arrays；The control device obtains the equipment under test under the influence of the interference signal by the interchanger, receives The number of the packet, and the number of the packet received according to the equipment under test, adjust the ZigBee letters The signal intensity of the ZigBee signals of number source generation, until the number for the packet that the equipment under test receives is low In Second Threshold；The number for the packet that the control device receives according to the predetermined number and the equipment under test, determines institute State the ZigBee anti-interference grades of equipment under test；The control device by the ZigBee anti-interferences grade compared with default ZigBee anti-interferences grade, according to Comparative result determines whether the ZigBe anti-interferences of the equipment under test are qualified.
- 3. LAN protocol detecting system according to claim 2, it is characterised in that the switch arrays connect including test Mouth, control interface and middle converting interface；The middle converting interface is connected with the test interface and the control interface respectively, the test interface respectively with it is described ZigBee signal sources, interference source and equipment under test connection, the control interface are connected with the interchanger.
- 4. LAN protocol detecting system according to claim 3, it is characterised in that the test interface specifically includes： ZigBee signal testings sub-interface, interference source signal testing sub-interface and equipment under test test sub-interface；Wherein, the ZigBee signal sources pass through the ZigBee signal testings sub-interface and the transfer orifice, interference Source passes through the equipment under test by the interference source signal testing sub-interface and the transfer orifice, the equipment under test Test sub-interface and the transfer orifice.
- 5. LAN protocol detecting system according to claim 4, it is characterised in that the switch arrays also decline including electronics Subtract device；The electronic attenuator respectively with the ZigBee signal testings sub-interface, the control interface and the middle converting interface Connection, the test come the extremely control device for being received according to the control interface instruct, and adjust the ZigBee letters Number test sub-interface receive the ZigBee signal sources output the ZigBee signals signal intensity.
- 6. the LAN protocol detecting system according to claim 4 or 5, it is characterised in that the LAN protocol detection System also includes Regulate signal source, matching impedance element and frequency spectrograph；The Regulate signal source is connected to the ZigBee signal testings sub-interface, and the matching impedance element is connected to described dry Source signal test sub-interface is disturbed, the frequency spectrograph is connected to the equipment under test test sub-interface；Wherein, the ZigBee sensitivity of the equipment under test or anti-interference are entered using the LAN protocol detecting system Before row test, the LAN protocol is examined using the Regulate signal source, the matching impedance element and the frequency spectrograph Examining system is calibrated.
- 7. LAN protocol detecting system according to claim 6, it is characterised in that the resistance of the matching impedance element For 50 ohm.
- 8. LAN protocol detecting system according to claim 1, it is characterised in that the LAN protocol detecting system Also include shielded box；Wherein, the switch arrays, the interchanger, the ZigBee signal sources and the equipment under test are placed in the screen Cover in case.
- 9. LAN protocol detecting system according to claim 1, it is characterised in that the switch arrays pass through RF cable It is connected with the ZigBee signal sources, the equipment under test.
- 10. LAN protocol detecting system according to claim 1, it is characterised in that the interchanger by netting twine with The control device, the switch arrays, the ZigBee signal sources and equipment under test connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711084198.6A CN107896132A (en) | 2017-11-07 | 2017-11-07 | LAN protocol detecting system |
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| CN201711084198.6A CN107896132A (en) | 2017-11-07 | 2017-11-07 | LAN protocol detecting system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1905494A (en) * | 2006-08-07 | 2007-01-31 | 信息产业部通信计量中心 | System for testing space radio frequency performance of WLAN apparatus |
| CN101064572A (en) * | 2006-04-25 | 2007-10-31 | 华为技术有限公司 | Method, test tool and test system for testing sensitivity of terminal receiver |
| CN106953703A (en) * | 2017-03-08 | 2017-07-14 | 深圳市中承科技有限公司 | A kind of less radio-frequency sensitivity measuring method based on data-driven |
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2017
- 2017-11-07 CN CN201711084198.6A patent/CN107896132A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101064572A (en) * | 2006-04-25 | 2007-10-31 | 华为技术有限公司 | Method, test tool and test system for testing sensitivity of terminal receiver |
| CN1905494A (en) * | 2006-08-07 | 2007-01-31 | 信息产业部通信计量中心 | System for testing space radio frequency performance of WLAN apparatus |
| CN106953703A (en) * | 2017-03-08 | 2017-07-14 | 深圳市中承科技有限公司 | A kind of less radio-frequency sensitivity measuring method based on data-driven |
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