CN104702679A - Data sending method of wireless node of Internet of Things - Google Patents
Data sending method of wireless node of Internet of Things Download PDFInfo
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- CN104702679A CN104702679A CN201510081176.9A CN201510081176A CN104702679A CN 104702679 A CN104702679 A CN 104702679A CN 201510081176 A CN201510081176 A CN 201510081176A CN 104702679 A CN104702679 A CN 104702679A
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Abstract
The invention relates to a data sending strategy of a wireless node of the Internet of Things. The strategy is that the existing simple alarming line and the mode of sending the data in case of crossing the line are changed; the battery quantity life prolonging capacity, the recognition level of administrators and actual fault alarming conditions are considered; the mode of dynamically and alarming modifying the alarm line is carried out, so that the problem that the monitoring feature value repeatedly pass close to the alarm line and the alarming data are frequently sent can be avoided; the strategy has an obvious effect on improving existing Internet of Things based state monitoring efficiency and improving the battery life prolonging capacity.
Description
Technical field
The present invention relates to a kind of Internet of Things radio node data sending strategy, is a kind ofly solve the data transmission method for uplink that current Internet of Things wireless monitor field signal passes through alarming line problem repeatedly.
Background technology
Internet of Things concept " be on the basis of " the Internet concept ", its user side extended and expands between any article and article, carrying out information exchange and a kind of network concept communicated.It is a kind of important channel that Internet of Things information is transmitted that data wireless sends, and has good application in fields such as green agriculture, industrial monitoring, public safety, city management.In the status monitoring field based on Internet of Things, measured object monitor signal kind is more, temperature, pressure, flow, vibration, speed etc.Unlike signal, after data acquisition process, all needs to carry out alarm decision.In the occasion adopting wireless monitor, rely on battery electric quantity because wireless sensor data sends, cannot accomplish real-time transmission as on-line monitoring, signal is sent out Wireless monitoring sensor battery durable ability too is frequently larger test.
According to practical application experience, on the one hand, the phychology that the alarm signal continued will make maintenance management personnel occur numbness, think little of; On the other hand, actual measured object near alarming line, repeatedly pass through initiation warning often the extent of injury less exception cause.Therefore, from the viewpoint of battery electric quantity flying power, administrative staff's attention degree, physical fault alarm condition three, to existing single alarming line, the mode that namely mistake line sends data is improved, and forms key technology of the present invention.
Summary of the invention
A kind of Internet of Things radio node data sending strategy, is characterized in that the pattern that data send;
Per interval T1 gathers, calculate each characteristic value of primary measured and node battery electric quantity, signal characteristic value (not comprising battery electric quantity), and be designated as m, per interval T2 wirelessly sends a secondary data; T2 is T1 integral multiple, can arrange;
(1) alarm free pattern: the not alarming value of signalization characteristic value, per interval T1 gathers, calculate each characteristic value of primary measured and node battery electric quantity, and per interval T2 wirelessly sends a secondary data;
(2) alarm mode is had: the initial alarming value arranging each characteristic value (not comprising battery electric quantity) is
(i=1,2 ... m), per interval T1 gathers and calculates once each characteristic value and node battery electric quantity;
1st time gather after each characteristic value respectively with each initial alarming value
(i=1,2 ... m) compare, if be all less than alarming value, then alarming value is constant, when distance delivery time last time interval less than T2 time, dormancy does not send data, when transmission interval time equal T2 time, send each characteristic value and battery electric quantity data; If each characteristic value exists be more than or equal to initial setting alarming value
situation, this sends each characteristic value and battery electric quantity data immediately after having gathered signal, and the alarming value adjusting individual features value is
n is the alarming line amplification coefficient of artificial setting or automatically calculates acquisition, and automatic calculating method is (f
n-f
n-1)/f
n;
After L*T1, carry out the L+1 time gather, be more than or equal to current alerts value if exist in each characteristic value recorded
situation, then namely send each characteristic value and battery electric quantity data after having gathered signal, and the alarming value revising individual features value is
if characteristic value is more than or equal to initial alarming value
and be less than current alerts value
then the alarming value of individual features value keeps current alerts value constant
when distance delivery time last time interval less than T2 time, dormancy does not send data, when transmission interval time equal T2 time, send each characteristic value and battery electric quantity data; If exist in signal characteristic value and be less than initial alarming value
situation, then the alarming value revising individual features value is
then when distance delivery time last time interval less than T2 time, dormancy does not send data, when transmission interval time equal T2 time, send each characteristic value and battery electric quantity data.
The present invention a kind ofly solves the data transmission method for uplink that current Internet of Things wireless monitor field signal passes through alarming line problem repeatedly.
Accompanying drawing explanation
Fig. 1 is the invention process flow chart;
Fig. 2 is embodiment of the present invention acceleration peak value trend;
Fig. 3 is embodiment of the present invention speed effective value trend;
Embodiment
Embodiment 1:
In the present embodiment, adopt wireless vibration and temperature nodes to carry out timing acquiring to experimental bench measured object acceleration peak value, speed effective value and temperature value, acquisition time is spaced apart 20 minutes, and transmission time interval is 1 hour.
As shown in table 1, be measured object normal moment each characteristic value numerical values recited, include battery voltage information.As shown in table 2, be that rear each characteristic value numerical values recited of reporting to the police appears in measured object, include battery voltage information.
In the present embodiment,
(i=1,2,3) represent acceleration peak value respectively, speed effective value, the initial alarming line of temperature.Alarming line correction adopts artificial set model, N=0.1.
: the initial alarming line of acceleration peak value is 25m/s
2;
: the initial alarming line of velocity peak values is 2mm/s;
: the initial alarming line of temperature peak is 40 DEG C;
The signal characteristic value that the table 1 normal moment does not gather in the same time
Table 2 is reported to the police the signal characteristic value that the moment do not gather in the same time
As shown in table 1, after 7:11 data acquisition, send data, do not exceed the situation of alarming line.At 7:11 to 9:11 during this period of time, each characteristic value keeps stable, does not exceed the situation of alarming line.Therefore, within every 20 minutes, gather a secondary data, within 1 hour, send a secondary data.
As shown in table 2, after 12:51 data acquisition, do not exceed the situation of alarming line, send data.At 7:11 to 14:11 during this period of time, each characteristic value keeps stable, does not exceed the situation of alarming line, therefore, within every 20 minutes, gathers a secondary data, within 1 hour, sends a secondary data.But during to 14:31, acceleration peak value exceedes alarming line 25m/s
2, send data immediately, and revise acceleration peak value alarming line and be: 25 (1+0.1)=27.5m/s
2, other characteristic value alarming lines are constant; During to 14:51, acceleration peak value still exceedes revised alarming line 27.5m/s
2, send data immediately, and revise acceleration peak value alarming line and be: 27.5 (1+0.1)=30.25m/s
2, other characteristic value alarming lines are constant.
Embodiment 2:
The present embodiment carries out status monitoring for actual field main equipment, adopts wireless vibration node, gathers acceleration peak value and speed effective value.Fig. 1 is the acceleration peak value trend curve in this equipment fault situation, and Fig. 2 is speed effective value trend curve.
The table 3 monitor signal list of feature values (1)
Table 4 monitor signal characteristic value (2)
In the present embodiment, acquisition time is spaced apart 20 minutes, and transmission time interval is 1 hour.
(i=1,2) represent acceleration peak value respectively, and the initial alarming line of speed effective value, alarming line correction adopts automatic computation schema.
: the initial alarming line of acceleration peak value is 150m/s
2;
: the initial alarming line of velocity peak values is 4.5mm/s;
At 6:51, acceleration peak value exceedes alarming line the 1st time, sends data immediately, and revising acceleration peak value alarming line is 150* (1+ (155.33-134.01)/155.33)=170.59m/s
2; At 7:11, acceleration peak value is 148.67m/s
2, be less than 150m/s
2, again revising alarming line is 150m/s
2;
At 7:51, there is not warning, relative last time, delivery time 6:51 1 hour, therefore sent data again;
At 8:51, there is not warning, again send data;
At 9:11, acceleration peak value exceedes alarming line the 2nd time, sends data immediately, and revising acceleration peak value alarming line is 150* (1+ (194.48-88.87)/194.48)=231.45m/s
2; At 9:31, acceleration peak value is 95.93m/s
2, be less than 150m/s
2, again revising alarming line is 150m/s
2;
At 10:11, there is not warning, relative last time, delivery time 9:11 1 hour, sent data again;
At 10:31, acceleration peak value exceedes alarming line the 3rd time, sends data immediately, and revising acceleration peak value alarming line is 150* (1+ (215.02-123.56)/215.02)=213.80m/s
2; Meanwhile, vibration velocity effective value have also exceeded alarming line, is 4.6mm/s, and erection rate effective value alarming line is 4.5* (1+ (4.6-3.49)/4.6)=5.58mm/s.
Because unit exceedes acceleration peak value alarming line three times from 6:51 to 10:31, finally also exceeded unit vibration speed effective value alarming line, Field Force is stopped and is overhauled, and finds that unit exists fault.From 10:51, it is dead ship condition that the unit vibration acceleration peak value of monitoring and speed effective value all show unit.
Claims (1)
1. an Internet of Things radio node data transmission method for uplink, is characterized in that;
Per interval T1 gathers, calculate each characteristic value of primary measured and node battery electric quantity, and the number of signal characteristic value does not comprise battery electric quantity and is designated as m, and per interval T2 wirelessly sends a secondary data; T2 is T1 integral multiple;
Arranging the initial alarming value that each characteristic value do not comprise battery electric quantity is
wherein i=1,2 ... m, per interval T1 gather and calculate once each characteristic value and node battery electric quantity;
1st time gather after each characteristic value respectively with each initial alarming value
relatively, wherein i=1,2 ... m, if be all less than alarming value, then alarming value is constant, and when distance delivery time last time interval is less than T2, dormancy does not send data, when transmission equals T2 interval time, sends each characteristic value and battery electric quantity data; If each characteristic value exists be more than or equal to initial setting alarming value
situation, this sends each characteristic value and battery electric quantity data immediately after having gathered signal, and the alarming value adjusting individual features value is
n is the alarming line amplification coefficient of artificial setting or automatically calculates acquisition, and automatic calculating method is (f
n-f
n-1)/f
n;
After L*T1, carry out the L+1 time gather, be more than or equal to current alerts value if exist in each characteristic value recorded
situation, then namely send each characteristic value and battery electric quantity data after having gathered signal, and the alarming value revising individual features value is
if characteristic value is more than or equal to initial alarming value
and be less than current alerts value
then the alarming value of individual features value keeps current alerts value constant
when distance delivery time last time interval less than T2 time, dormancy does not send data, when transmission interval time equal T2 time, send each characteristic value and battery electric quantity data; If exist in signal characteristic value and be less than initial alarming value
situation, then the alarming value revising individual features value is
then when distance delivery time last time interval less than T2 time, dormancy does not send data, when transmission interval time equal T2 time, send each characteristic value and battery electric quantity data.
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| CN104702679B CN104702679B (en) | 2018-03-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110035446A (en) * | 2019-04-04 | 2019-07-19 | 中科云创(厦门)科技有限公司 | Heartbeat data sending method, device, electronic equipment and readable medium |
| CN110099404A (en) * | 2018-01-30 | 2019-08-06 | 中国移动通信有限公司研究院 | A kind of continuation of the journey duration test method and device |
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| US20100309207A1 (en) * | 2009-06-05 | 2010-12-09 | Nonin Medical, Inc. | Display modification based on measurement type |
| CN101718634A (en) * | 2009-11-20 | 2010-06-02 | 西安交通大学 | Equipment state comprehensive dynamic alarming method based on multivariate probability model |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099404A (en) * | 2018-01-30 | 2019-08-06 | 中国移动通信有限公司研究院 | A kind of continuation of the journey duration test method and device |
| CN110099404B (en) * | 2018-01-30 | 2022-07-15 | 中国移动通信有限公司研究院 | Duration testing method and device |
| CN110035446A (en) * | 2019-04-04 | 2019-07-19 | 中科云创(厦门)科技有限公司 | Heartbeat data sending method, device, electronic equipment and readable medium |
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| CN104702679B (en) | 2018-03-09 |
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