CN105355021B - Long-distance wireless meter-reading system based on ZigBee and its method for testing performance - Google Patents
Long-distance wireless meter-reading system based on ZigBee and its method for testing performance Download PDFInfo
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- CN105355021B CN105355021B CN201510817032.5A CN201510817032A CN105355021B CN 105355021 B CN105355021 B CN 105355021B CN 201510817032 A CN201510817032 A CN 201510817032A CN 105355021 B CN105355021 B CN 105355021B
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C2201/00—Transmission systems of control signals via wireless link
- G08C2201/40—Remote control systems using repeaters, converters, gateways
- G08C2201/42—Transmitting or receiving remote control signals via a network
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Abstract
The present invention relates to a kind of ZigBee long-distance wireless meter-reading systems method for testing performance.This method is simple and clear, does not account for system resource substantially, without in addition increasing equipment and update software.Data transmit-receive test is carried out to system by software, and calculates the performance parameters such as transmission delay, packet loss, the bit error rate, anti-interference ability, topological structure.To complete the detection of regular, irregular ZigBee long-distance wireless meter-reading system link performances.
Description
Technical field
The present invention relates to long-distance wireless meter-reading system technical fields.It is especially a kind of ZigBee long-distance wireless meter-reading systems
Method for testing performance.
Background technology
Communication modes between the acquisition node and concentrator of ZigBee long-distance wireless meter-reading systems are wireless telecommunications.In nothing
In line communication system, the measurement result to channel link qualities is the important evidence of decision-making system performance.Link-quality includes single
The topology knot of dump energy, transmission delay, packet loss, the bit error rate, anti-interference ability of a acquisition node etc. and whole network
The parameters such as structure.Existing non-ZigBee radio meter registers network measure method and technology content is low, uses single-spot testing substantially, cannot be
Test topology structure in system level.Existing non-ZigBee radio meter registers network measure method, when there is new acquisition node increase,
Test network needs in addition to increase the work such as hardware, reorganization software.At present when carrying out disturbed test, often using in addition setting
The method of interference source realizes, increases cost, time-consuming and laborious.In terms of the tests such as packet loss, the bit error rate, on testing algorithm research compared with
It is more, it is studied on the software interface of operating level less.Remote electricity meters, the water that this test method can be used for being made of ZigBee
The performance test of the meter readings network such as table, gas meter, hotlist.
Invention content
The technical problem to be solved by the present invention is to overcome the above the deficiencies in the prior art, provide a kind of with high content of technology, letter
Breath content is big, and autgmentability is strong, operates moment arbitrary ZigBee remote wireless sensors network test method, realizes long distance wireless
Regular, the irregular detection of sensor network performance.
Technical scheme of the present invention provides
A kind of method for testing performance of the long-distance wireless meter-reading system based on ZigBee, which is characterized in that including following step
Suddenly：
S1.0, main control unit, concentrator and acquisition node are provided；
S1.1, main control unit send out sense command to concentrator；
Corresponding sense command is sent to corresponding acquisition node by S1.2, concentrator according to sense command；
S1.3, acquisition node feed back to concentrator according to sense command meter reading, and by meter reading result and sense command；
The sense command that original sense command and acquisition node are fed back is compared for S1.4, concentrator, calculates
The packet loss and the bit error rate of meter reading result；
Meter reading result is sent to main control unit by S1.5, concentrator.
Preferably, after step S1.5, after the automatic data logging interval time through freely setting, return to step S1.1,
Start new round meter reading.
Preferably, in step S1.4, further include：
When the packet loss and/or the bit error rate of meter reading result are more than the preset value in main control unit, main control unit control alarm
Unit sends out meter reading result packet loss and/or the excessively high alarm of the bit error rate.
As preferably in further including：In newly-increased meter reading user, acquisition node independent searching concentrator completes communication
Matching.
Preferably, in step S1.5, meter reading result is also stored in concentrator.
Preferably, before step S1.3, further include：
After acquisition node receives sense command, acquisition node current state is judged；
If acquisition node is in idle condition, S1.3 is entered step；
If acquisition node is in busy condition, acquisition node hang detection order, when node to be collected enters idle state,
Enter step S1.3.
Preferably, during step S1.1 to S1.5, manual operation main control unit controls concentrator and acquisition
Node starts interference free performance test process；
Interference free performance test process includes the following steps：
S2.1, main control unit send disturbed test order to concentrator；
Disturbed test order is sent to acquisition node to be measured and adjacent acquisition node by S2.2, concentrator；
S2.3, signal is sent to concentrator simultaneously on the same frequency channel, wherein acquisition node to be measured sends test data letter
Number, adjacent acquisition node sends interference signal；
The test signal that S2.4, concentrator comparison receive, calculates the packet loss and the bit error rate when having interference signal, and will have
Packet loss and the bit error rate when signal interference feed back to main control unit.
Preferably, when the packet loss and/or the bit error rate when having signal interference are more than the preset value in main control unit, it is main
Control unit control Alarm Unit sends out interference packet loss and/or error code high severity alarm.
Preferably, network communication by radio communication between concentrator and main control unit.
The present invention also provides a kind of long-distance wireless meter-reading system based on ZigBee, including main control unit, concentrator, adopt
Collect node, alarm component；
Main control unit is connected with alarm component；Concentrator is wirelessly connected with main control unit, acquisition node respectively；
Main control unit is used for：
Sense command is sent to concentrator；
Disturbed test order is sent to concentrator；
When the packet loss of meter reading result and/or the bit error rate are more than the preset value in main control unit, control Alarm Unit hair
Go out meter reading result packet loss and/or the excessively high alarm of the bit error rate；
When packet loss and/or the bit error rate when there is signal interference are more than the preset value in main control unit, control alarm is single
Member sends out interference packet loss and/or error code high severity alarm；
Concentrator is used for：
According to sense command or disturbed test order sense command or disturbed test order are sent to acquisition node；
It receives testing result and sense command or disturbed test order from acquisition node to feed back, and according to feedback
Sense command or disturbed test order and original sense command or disturbed test order calculate the bit error rate and/or packet loss；
Testing result and the bit error rate and/or packet loss are fed back to main control unit；
Acquisition node is used for：
Concentrator is fed back to according to sense command meter reading, and by meter reading result and sense command；
According to disturbed test order test data or interference signal are sent to concentrator in same channel.
The method for testing performance of long-distance wireless meter-reading system provided by the invention based on ZigBee, in addition to normally to electricity
Table, water meter etc. carry out outside meter reading, can assess collected the data precision, additionally it is possible to be detected by self-check program high
Functioning condition under disturbance state, it is ensured that accurately gathered data.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment of the invention.
Fig. 2 is the performance test flow chart of one embodiment of the invention.
Fig. 3 is the disturbed test flow chart of one embodiment of the invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the present invention
The mode of applying is explained in detail.
In order to solve the above technical problems, embodiments of the present invention provide a kind of remote wireless meter recording based on ZigBee
The method for testing performance of system, includes the following steps：
S1.0, main control unit, concentrator and acquisition node are provided；
S1.1, main control unit send out sense command to concentrator；
Corresponding sense command is sent to corresponding acquisition node by S1.2, concentrator according to sense command；
S1.3, acquisition node feed back to concentrator according to sense command meter reading, and by meter reading result and sense command；
The sense command that original sense command and acquisition node are fed back is compared for S1.4, concentrator, calculates
The packet loss and the bit error rate of meter reading result；
Meter reading result is sent to main control unit by S1.5, concentrator.
In the present embodiment, the main control unit of this test method is the computer that collection destroies center, is clicked and is collected by tester
Test command is initiated at the computer upper layer data management software interface for destroying center, and final test result is presented on collection and destroies center
On computer testing platform interface.This method is tested based on the acquisition node and concentrator using ZigBee without in addition increasing
Hardware fully relies on software platform test.
Kilowatt meter reading-out system completes through sensor and meter that treated freezes day, the active meter reading of moon freezing data or passive
Meter reading.Active meter reading, that is, acquisition node timing transmits data to concentrator, and passive meter reading, that is, acquisition node receives concentrator hair
Again to concentrator transmission data after the meter reading order come.Kilowatt meter reading-out system is not round-the-clock 24 hours transmission data, therefore can take and beat
Pattern is disturbed, after being connected to test command by test software, voluntarily judges that it is busy or idle to be tested node or system under test (SUT).In sky
Idle sends out downwards testing results instruction.
When there is new meter reading family to be added, without updating existing test software, original test software voluntarily captures new section
Point, and it is added into test network, form new topological structure.Specific method is, the acquisition node at new meter reading family to around without
Line is broadcasted to obtain the flag information of surrounding acquisition node and concentrator, if after capturing the flag information of concentrator, it is new to acquire
Node and concentrator are pulled up a horse self-organization, and new network is formed together with original acquisition node.
Software test code is stored in the memory of acquisition node, and middle the heart channel of Hang-Shaoyin concentrator is copied when acquisition node receives collection
After the test instruction sent out to acquisition node, corresponding software test code is run by the microcontroller of ZigBee acquisition nodes,
Multigroup test data is generated, through transmission of radio links to concentrator.
Data concentrator has store function and computing function, by the coded sequence received and the survey for being preset in concentrator
Examination code sequence (consistent with the test code that acquisition node generates) is compared, and calculates packet loss and the bit error rate, Yi Jitong
Cross clocking capability calculated transmission delay.And result of calculation is stored.
Packet loss=(the sequence number of codes that test number of codes-concentrator that acquisition node is sent out receives)/acquisition node
Test number of codes × 100% sent out
The quantity of the bit error rate=(sequence code received and the different quantity of preset test code)/preset test code
× 100%
Transmission time refer to test patterns that acquisition node is sent out to concentrator receive sequence code between time interval.
After detection is completed, packet loss, the bit error rate and transmission time can be fed back to the meter that collection destroies center by concentrator
Calculation machine, computer can compare packet loss, the bit error rate and transmission time and the preset value that calculator memory has, if packet loss
Rate, the bit error rate and transmission time are more than the preset value, and computer can control the corresponding alarm of warning system triggering, in the present embodiment
In, computer directly shows alarm result on a display screen.
In the present embodiment, during step S1.1 to S1.5, manual operation main control unit controls concentrator and adopts
Collect node and starts interference free performance test process；
Interference free performance test process includes the following steps：
S2.1, main control unit send disturbed test order to concentrator；
Disturbed test order is sent to acquisition node to be measured and adjacent acquisition node by S2.2, concentrator；
S2.3, signal is sent to concentrator simultaneously on the same frequency channel, wherein acquisition node to be measured sends test data letter
Number, adjacent acquisition node sends interference signal；
The test signal that S2.4, concentrator comparison receive, calculates the packet loss and the bit error rate when having interference signal, and will have
Packet loss and the bit error rate when signal interference feed back to main control unit.
As described in above-mentioned steps, after detection is completed, concentrator can be by the packet loss during disturbed test, the bit error rate
And transmission time feeds back to the computer that collection destroies center, computer can be by packet loss, the bit error rate and transmission time and calculating
The preset value having in machine compares, if packet loss, the bit error rate and transmission time are more than the preset value, computer can control announcement
Alert system trigger corresponds to alarm, and in the present embodiment, computer directly shows alarm result on a display screen.
Concentrator is by test result (including network topology structure, transmission delay, packet loss, the bit error rate, anti-interference ability etc.
Data) by the communications such as GPRS, GSM, CDMA to collection center is destroyed, on the computer that collection destroies center, by the upper number of plies
The application platform based on PC machine is provided according to management software, final realize shows nothing on PC machine interface in the form of text or picture and text
Line sensing network the performance test results, including single-spot testing and system integrated testability are as a result, be the test to single metering instrument
And in whole network all measuring instruments test.
It should be noted that if it is the test to the electric energy meter wireless kilowatt meter reading-out system performance based on ZigBee, then it is not necessarily to
Measuring node dump energy.If it is the survey to instrument wireless kilowatt meter reading-out system performances such as water meter, gas meter, hotlists based on ZigBee
Amount, then can also increase residue energy of node test event.
In order to realize the above method, the present invention also provides a kind of long-distance wireless meter-reading systems based on ZigBee, including
Main control unit, concentrator, collector, alarm component；
Main control unit is connected with alarm component；Concentrator is wirelessly connected with main control unit, collector respectively；
Main control unit is used for：
Sense command is sent to concentrator；
Disturbed test order is sent to concentrator；
When the packet loss of meter reading result and/or the bit error rate are more than the preset value in main control unit, control Alarm Unit hair
Go out meter reading result packet loss and/or the excessively high alarm of the bit error rate；
When packet loss and/or the bit error rate when there is signal interference are more than the preset value in main control unit, control alarm is single
Member sends out interference packet loss and/or error code high severity alarm；
Concentrator is used for：
According to sense command or disturbed test order sense command or disturbed test order are sent to collector；
It receives testing result and sense command or disturbed test order from collector to feed back, and according to feedback
Sense command or disturbed test order and original sense command or disturbed test order calculate the bit error rate and/or packet loss；
Testing result and the bit error rate and/or packet loss are fed back to main control unit；
Collector is used for：
Concentrator is fed back to according to sense command meter reading, and by meter reading result and sense command；
According to disturbed test order test data or interference signal are sent to concentrator in same channel.
The respective embodiments described above are realization specific embodiments of the present invention, it will be understood by those skilled in the art that
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (9)
1. a kind of method for testing performance of the long-distance wireless meter-reading system based on ZigBee, which is characterized in that include the following steps：
S1.0, main control unit, concentrator and acquisition node are provided；
S1.1, the main control unit send out sense command to the concentrator；
The corresponding sense command is sent to corresponding acquisition node by S1.2, the concentrator according to the sense command；
S1.3, the acquisition node are fed back to according to the sense command meter reading, and by meter reading result and the sense command
The concentrator；
The sense command that original sense command and acquisition node are fed back is compared for S1.4, the concentrator, calculates
The packet loss and the bit error rate of meter reading result；
The meter reading result is sent to the main control unit by S1.5, the concentrator；
During step S1.1 to the S1.5, main control unit described in manual operation controls the concentrator and acquisition node
Start interference free performance test process；
The interference free performance test process includes the following steps：
S2.1, main control unit send disturbed test order to the concentrator；
The disturbed test order is sent to acquisition node to be measured and adjacent acquisition node by S2.2, the concentrator；
S2.3, signal is sent to the concentrator simultaneously on the same frequency channel, wherein the acquisition node to be measured sends test number
It is believed that number, the adjacent acquisition node sends interference signal；
The test signal that S2.4, concentrator comparison receive, calculates the packet loss and the bit error rate when having interference signal, and will have
Packet loss and the bit error rate when signal interference feed back to the main control unit.
2. the method for testing performance of the long-distance wireless meter-reading system according to claim 1 based on ZigBee, feature exist
In,
After the step S1.5, after the automatic data logging interval time through freely setting, the step S1.1 is returned, starts new one
Take turns meter reading.
3. the method for testing performance of the long-distance wireless meter-reading system according to claim 1 based on ZigBee, feature exist
In in the step S1.4, further including：
When the packet loss and/or the bit error rate of the meter reading result are more than the preset value in main control unit, the main control unit control
Alarm Unit sends out meter reading result packet loss and/or the excessively high alarm of the bit error rate.
4. the method for testing performance of the long-distance wireless meter-reading system according to claim 1 based on ZigBee, feature exist
In further including：In newly-increased meter reading user, acquisition node independent searching concentrator completes the matching of communication.
5. the method for testing performance of the long-distance wireless meter-reading system according to claim 1 based on ZigBee, feature exist
In in step S1.5, the meter reading result is also stored in the concentrator.
6. the method for testing performance of the long-distance wireless meter-reading system according to claim 1 based on ZigBee, feature exist
In before the step S1.3, further including：
After the acquisition node receives the sense command, the acquisition node current state is judged；
If the acquisition node is in idle condition, S1.3 is entered step；
If the acquisition node is in busy condition, the acquisition node hangs up the sense command, wait for the acquisition node into
When entering idle state, into the step S1.3.
7. the method for testing performance of the long-distance wireless meter-reading system according to claim 1 based on ZigBee, feature exist
In when having packet loss and/or the bit error rate when signal interference to be more than the preset value in main control unit, the main control unit control is accused
Alert unit sends out interference packet loss and/or error code high severity alarm.
8. the method for testing performance of the long-distance wireless meter-reading system according to claim 1 based on ZigBee, feature exist
In network communication by radio communication between the concentrator and the main control unit.
9. a kind of long-distance wireless meter-reading system based on ZigBee is implemented as described in claim 1 a kind of based on Zi gBee's
The method for testing performance of long-distance wireless meter-reading system, which is characterized in that including main control unit, concentrator, acquisition node, alarm group
Part；
The main control unit is connected with the alarm component；The concentrator is saved with the main control unit, the acquisition respectively
Point is wirelessly connected；
The main control unit is used for：
Sense command is sent to the concentrator；
Disturbed test order is sent to the concentrator；
When the packet loss of meter reading result and/or the bit error rate are more than the preset value in main control unit, control Alarm Unit, which is sent out, to be copied
Table result packet loss and/or the excessively high alarm of the bit error rate；
When packet loss and/or the bit error rate when there is signal interference are more than the preset value in main control unit, control Alarm Unit hair
Go out to interfere packet loss and/or error code high severity alarm；
The concentrator is used for：
According to sense command or disturbed test order sense command or disturbed test order are sent to the acquisition node；
It receives testing result and sense command or disturbed test order from the acquisition node to feed back, and according to feedback
Sense command or disturbed test order and original sense command or disturbed test order calculate the bit error rate and/or packet loss；
The testing result and the bit error rate and/or packet loss are fed back to the main control unit；
The acquisition node is used for：
The concentrator is fed back to according to sense command meter reading, and by meter reading result and sense command；
According to disturbed test order test data or interference signal are sent to the concentrator in same channel.
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| CN103051741A (en) * | 2012-12-18 | 2013-04-17 | 东南大学 | Internetworking method for wireless intelligent meter reading system |
| CN103337142A (en) * | 2013-07-22 | 2013-10-02 | 长沙威胜信息技术有限公司 | Wireless networking method for electric energy meter management system |
| CN203376857U (en) * | 2013-07-30 | 2014-01-01 | 福建师范大学 | Remote meter reading system based on wireless sensor network |
| CN103906044A (en) * | 2014-03-04 | 2014-07-02 | 杭州迅龙科技有限公司 | Networking method of wireless electricity consumption information acquisition ad hoc network |
| CN104684014A (en) * | 2015-01-09 | 2015-06-03 | 成都奥克特科技有限公司 | Mobile communication network transmission testing method |
| CN205158611U (en) * | 2015-11-23 | 2016-04-13 | 苏州工业职业技术学院 | Long -range wireless meter reading system based on zigBee |
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