CN103968913A - Intelligent on-line liquid level monitoring and early warning system - Google Patents
Intelligent on-line liquid level monitoring and early warning system Download PDFInfo
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Abstract
The invention discloses an intelligent on-line liquid level monitoring and early warning system. The intelligent on-line liquid level monitoring and early warning system is composed of a data center and at least one liquid level monitoring and early warning subsystem, and is characterized in that the liquid level monitoring and early warning subsystem comprises a liquid level monitoring point, a liquid level monitoring host and a monitoring repeater; the liquid level monitoring host is used for carrying out continuous monitoring on the liquid level monitoring point, generating monitoring data and transmitting the monitoring data to the monitoring repeater according to a changeable transmission time interval, and the monitoring repeater is used for receiving the monitoring data and transmitting the monitoring data to the data center according to the changeable transmission time interval; the data center is used for processing the received monitoring data to obtain status data and various curves of the liquid level monitoring point and displaying and releasing the status data of the liquid level monitoring point in real time. By means of the intelligent on-line liquid level monitoring and early warning system, on-line liquid level monitoring, short-message warning, waterlogging early warning, short-time forecasting, monitoring data public release and the like can be carried out on points such as a drainage pipeline, a drainage channel, a drainage inspection well, a drainage exit, an urban sunken road, an urban underground parking garage and urban receiving water.
Description
Technical field
The present invention relates to the municipal administrations such as a kind of rainwater, sewage, Zhong Shui, river course, lake, road and the level monitoring early warning system that Water Resources Domain is used, particularly relate to a kind of intelligent online level monitoring early warning system.
Background technology
In recent years, all can there is waterlogging event in annual rainy season in a plurality of cities of China, presented the feature that occurrence scope is wide, depth of accumulated water large, the ponding time is long.The generation of waterlogging event, trip brings inconvenience in the rainy day not only to give the people, and has caused the massive losses of individual and public property, and the life security that has even threatened the people has caused the extensive concern of all sectors of society.Yet, the origin cause of formation of city waterlogging event is many-sided, and the increase on a large amount of waterproof ground as extreme weather phenomenon takes place frequently, after urbanization, pumping equipment planning and design standard is on the low side, city receiving water body is regulated and stored down lets out scarce capacity, pumping equipment exists and blocks alluvial phenomenon etc.Solve and tackle city waterlogging event, will lean on engineering measure on the one hand, by planning and design, improve standard, improve municipal drainage prevention waterlogging system, and the waterproof earth's surface of urban surface is controlled, reduce source runoff generation amount, increase the row's ability of holding of downstream receiving water body; To lean on control measures on the other hand, set up pumping monitoring and early warning system, dynamic monitoring data for government department provides unwatering system to move, provides for masses go on a journey the timely early-warning and predicting information becoming more meticulous, so that scientific and effective reply city waterlogging event in various degree.
Aspect pumping monitoring and early warning technology, mainly take import equipment as main at present, functional, the stability of home equipment and hardware set become second nature and can not meet the demand of long-term monitoring in unwatering system rugged surroundings.And import equipment exists the problems such as selling at exorbitant prices, early-warning and predicting insufficiency of function, installation and maintenance flow process complexity, plant section delivery cycle are grown, software and hardware system integrated level is not high, had a strong impact on construction and the effect of pumping monitoring and early warning system.Main manifestations is as follows:
(1) measurement of existing equipment and the data communication frequency are generally 5-15 minute, can meet the demand of unwatering system long-time running monitoring, but can not meet the technical need of the early warning of drainage pipeline networks waterlogging and warning;
(2) existing equipment integral installation is under gully, conventionally adopt GPRS network to carry out communication, cause host power consumption higher, and downhole communication effect is bad, cause data easily because network signal reason can not send in time, the cell host replacement cycle is shorter, and need to open well lid in each maintenance process and carry out, and wastes time and energy;
(3) existing equipment function be take single-point level monitoring as main, and the Measuring Time of a plurality of equipment can not automatic synchronization, can not accurately control the unified acquisition time of data, and data synchronism and comparability are not strong, are unfavorable for Data Comparison and the statistical study of multiple devices;
(4) existing equipment conventionally exists and measures blind area, can not effectively monitor surface pond situation, can not after equipment is by water logging not, send in time data and alerting signal, has affected dynamic monitoring and the early-warning and predicting of waterlogging event generating process;
(5) data center's function of existing equipment a little less than, need loaded down with trivial details configuration ability access device signal, and the integrated interface that does not possess the social platforms such as micro-letter, microblogging of data, is unfavorable for public's issue of Monitoring Data and the effectively propelling movement fast of warning message.
Therefore, exigence is developed a kind of on-line monitoring function that both had, and has again early warning and warning function, the intelligent online level monitoring early warning system that software and hardware closely becomes one simultaneously.Utilize this system department that not only can support the government to grasp the liquid level long term variations of unwatering system, understand in advance the overflow risk of unwatering system, carry out in time early warning and the warning of draining waterlogging event, and can to the public, issue in time the early-warning and predicting information of city waterlogging by common platforms such as the micro-letters of microblogging, the state of auxiliary city waterlogging event is effectively monitored and science is tackled safely.
Summary of the invention
Technical matters to be solved by this invention is: a kind of intelligent online level monitoring early warning system is provided, the features such as data transmission and the communication frequency, the soft or hard with time of a minute DBMS integral point Simultaneous Monitoring, a plurality of equipment and the split type installation of server time automatic synchronization, main frame and repeater, intelligent alterable becomes one, plug and play, system can be passed through the waterlogging event of the timely early warning of various ways such as web browser, micro-letter, note and alert detecting point.Based on this system, can set up the pumping monitoring early warning system of high efficient and reliable, form multiple solution, as: urban drainage pipe network liquid level on-line monitoring platform, Urban Rain be waterlogging point monitoring and early warning platform, city recessed bridge district overflow monitoring and early warning platform, urban inner river course level monitoring and early warning platform, the monitoring of municipal sewage pipe network flooding point and alarm platform, municipal drainage waterlogging monitoring and warning Public information issuance platform, the waterflooding of underground parking, urban area and warning system etc. easily.
The technical solution used in the present invention is as follows:
An intelligent online level monitoring early warning system, is comprised of data center and at least one level monitoring early warning subsystem, it is characterized in that, described level monitoring early warning subsystem comprises: level monitoring point; Level monitoring host apparatus, carries out on-line monitoring to described level monitoring point, generates continuous Monitoring Data, and according to transformable Transmission Time Interval, described Monitoring Data is transferred to monitoring repeater devices; Monitoring repeater devices, receives described Monitoring Data, and according to transformable communication time interval, described Monitoring Data is transferred to data center; Data center, processes the Monitoring Data of reception, obtains level monitoring dotted state data, and described level monitoring dotted state data are shown in real time and issued.
Preferably, described level monitoring host apparatus comprises level monitoring sensor, liquid level warning sensor, monitor signal processor, short distance communication antenna, battery, guard shield, mounting bracket for main frame, and described monitor signal processor interconnects by connection cable with battery with described level monitoring sensor, liquid level warning sensor, short distance communication antenna, main frame respectively; Described monitoring repeater devices comprises signal reception and processor, relaying short distance communication antenna, mobile network's communication antenna, battery, relaying guard shield, relaying mounting bracket for repeater, and described signal receives with processor and interconnects by connection cable with described relaying short distance communication antenna, mobile network's communication antenna, repeater battery respectively; And described data center is included as and has the Cloud Server main frame of separate the Internet IP address or the data server of stand-alone computer, on described data server, be provided with data transmission that described Monitoring Data is carried out to analyzing and processing and forward service module, data statistics and enquiry module and data release module.
Preferably, described Monitoring Data comprises the actual liquid level height value of level monitoring point, wherein, if the actual liquid level height value of described level monitoring point is less than the early warning value of setting, described level monitoring host apparatus transmits described Monitoring Data with the 1st Transmission Time Interval to described monitoring repeater devices, described monitoring repeater devices receives the Monitoring Data of described level monitoring host apparatus transmission, and according to the 1st communication time interval, the described Monitoring Data receiving is sent to described data center; If the actual liquid level height value of described level monitoring point is greater than the early warning value of setting and is less than the alarming value of setting, described level monitoring host apparatus transmits described Monitoring Data with the 2nd Transmission Time Interval to described monitoring repeater devices, described monitoring repeater devices receives the Monitoring Data of described level monitoring host apparatus transmission, and according to the 2nd communication time interval, the described Monitoring Data receiving is sent to described data center; If the actual liquid level height value of described level monitoring point is greater than the alarming value of setting, described level monitoring host apparatus transmits described Monitoring Data with the 3rd Transmission Time Interval to described monitoring repeater devices, described monitoring repeater devices receives the Monitoring Data of described level monitoring host apparatus transmission, and according to the 3rd communication time interval, the described Monitoring Data receiving is sent to described data center.
Preferably, described level monitoring host apparatus is per minute 1 time to the Monitoring frequency of described level monitoring point, the integral point that the monitoring execution time is per minute, the system time of described monitoring repeater devices is synchronizeed once with described data center by described monitoring repeater devices at least every 30 minutes, and described monitoring repeater devices is synchronizeed once with described level monitoring host apparatus at least every 30 minutes.Wherein, described communication time is determined by following formula:
As Level (t) < Level
atime, t
next=max (t
a, min (t
setup, t
max))
As Level (t)>=Level
aand Level (t) < Level
btime,
t
next＝max(t
b，min(t
setup，t
a))
As Level (t)>=Level
btime, t
next=t
c
t
open＝t
1+t
2+t
3+t
3
Wherein,
The actual liquid level height of Level (t): t level monitoring point constantly, m;
Level
a: data center is the early warning value that level monitoring point arranges, m;
Level
b: data center is the alarming value that level monitoring point arranges, m;
T
next: the described monitoring repeater devices stand-by period that opening network is connected with server next time, minute;
T
setup: described data center is the stand-by period that the opening network next time of described monitoring repeater devices setting is connected with server, minute;
T
a: level monitoring point liquid level, under normal condition, is monitored the shortest stand-by period that repeater devices opening network is connected with server, minute;
T
b: level monitoring point liquid level, under alert status, is monitored the shortest stand-by period that repeater devices opening network is connected with server, minute;
T
c: level monitoring point liquid level, under alarm condition, is monitored the shortest stand-by period that repeater devices opening network is connected with server, minute;
T
max: the maximum wait time that monitoring repeater devices opening network is connected with server, minute;
T
open: described monitoring repeater devices is opened the stand-by period after short distance communication module, s at every turn;
T
1: described monitoring repeater devices is opened the time of short distance communication module, s;
T
2: described monitoring repeater devices and described level monitoring host apparatus connect by short distance communication modes and carry out time of data transmission, s;
T
3: the clock maximum relative error of described monitoring repeater devices and described level monitoring host apparatus, s;
T
4: communication redundancy ensures time, s.
Preferably, described t
a, t
b, t
c, t
max, t
1, t
2, t
3, t
4value be respectively:
t
a：(5，60)；
t
b：(5，15)；
t
c：(0.5，2)；
t
max：(720，1440)；
t
1：(0.5，1)；
t
2：(1，4)；
t
3：(1，3)；
t
4：(0.5，2)。Preferably, described level monitoring host apparatus is also monitored the instrument information of described level monitoring host apparatus and described monitoring repeater devices, described instrument information comprises the primary monitoring signal of level monitoring sensor, the primary monitoring signal of liquid level warning sensor, the level monitoring sensor submergence depth of water, the liquid level warning sensor submergence depth of water, cell voltage for main frame, cell voltage, instrument failure code for repeater, and by described monitoring repeater devices, described instrument information is sent to described data center.
Preferably, the liquid level Huanghai Sea absolute altitude, level monitoring point liquid level that described Monitoring Data also comprises level monitoring point alarm condition, level monitoring point apart from the height on ground, the overflow risk of level monitoring point, the overload magnification of level monitoring point,
Described Monitoring Data is determined by following formula:
L
1(t)=K
1(AD
1(t)-B
1)
L
2(t)=K
2(AD
2(t)-B
2)
Work as L
2(t) during < ε, Level (t)=D-D
a-D
1+ L
1(t)
Work as L
2(t)>=and during ε, Level (t)=D-D
a+ L
2(t)
Elevation(t)=H-D+Level(t)
Depth(t)=D-Level(t)
Level(t)＝D—D
a+L
2(t)
Risk(t)＝Level(t)/D
Surchage(t)＝Level(t)/D
down
Wherein,
L
1(dying): the t level monitoring sensor submergence depth of water constantly, m;
K
1: the correction coefficient of level monitoring sensor, m
-1;
AD
1(dying): the original output signal of level monitoring sensor;
B
1: the output signal side-play amount of level monitoring sensor;
L
2(dying): the t liquid level warning sensor submergence depth of water constantly, m;
K
2: the correction coefficient of liquid level warning sensor, m
-1;
AD
2(t): the original output signal of liquid level warning sensor;
B
2: the output signal side-play amount of liquid level warning sensor;
ε: liquid level warning sensor enable threshold value, m;
The actual liquid level height of Level (t): t level monitoring point constantly, m;
D: level monitoring point depth capacity, m;
D
a: level monitoring point mounting bracket bottom is apart from the height on ground, m;
D
1: level monitoring point is installed the length of cable of level monitoring sensor, m;
The liquid level Huanghai Sea absolute altitude of Elevation (t): t level monitoring point constantly, m;
H: level monitoring point ground Huanghai Sea absolute altitude, m;
Depth (t): t level monitoring point liquid level is constantly apart from the height on ground, m;
The overflow risk of Risk (t): t level monitoring point constantly;
The overload magnification of Surchage (t): t level monitoring point constantly;
D
down: level monitoring point downstream connects the height of pipe duct, m.
Preferably, described K
1, B
1, K
2, B
2, ε span be respectively:
K
1：(6000，9000)；
B
1：(400，700)；
K
2：(2000，3000)；
B
2：(400，700)；
ε：(0.05，0.3)。
Preferably, described data center logins the application program of described data center user, after described level monitoring point parameter is modified and is preserved, while once setting up communication with server in described monitoring repeater devices, to described monitoring repeater devices, send the liquid level reduced parameter of level monitoring point, the liquid level early warning value of level monitoring point, the liquid level warning value of level monitoring point, the SMS alarm cell-phone number of monitoring repeater devices, the SMS alarm threshold value of liquid level warning sensor, the stand-by period that the opening network next time of monitoring repeater devices is connected with server, server ip address and the port numbers of monitoring repeater devices.
Preferably, when described liquid level warning measurement value sensor surpasses the SMS alarm threshold epsilon of setting, described monitoring repeater devices is directly sent warning message to the SMS alarm cell-phone number of setting.
Adopt intelligent online level monitoring early warning system of the present invention, its advantage is:
(1) intelligent online level monitoring early warning system is carried out 1 monitoring at per minute integral point, time automatic synchronization between level monitoring host apparatus and data center, relative error is not more than 3 seconds, thereby the level monitoring host apparatus that guarantees all access datas center is all put acquisition instrument information and Monitoring Data at one time, the easily unified tabulation of the data of a plurality of instruments, contrast and statistical study mutually;
(2) intelligent online level monitoring early warning system is separated with monitoring repeater devices by level monitoring main frame, be convenient to select the point that mobile communication signal is good that monitoring repeater devices is installed, strengthened the ability to communicate of monitoring repeater devices and data center, simultaneously when water logging is not monitored main frame in 1 meter time, monitoring main frame can send to data center by monitoring repeater devices by data, has strengthened ponding data transmission and alert capability;
(3) intelligent online level monitoring early warning system is utilized the setting of early warning value and alarming value, according to the current level monitoring value intelligence specified data transmission frequency, and in auto sleep at night, and if at something unexpected happened at night, as bust when raining heavyly, system can automatically revert to the frequency of setting, the networking number of times that had so both reduced equipment, has reduced communication cost, more reduced system power dissipation, extend battery on-the-spot service time, reduced plant maintenance duration and cost;
(4) intelligent online level monitoring early warning system can be carried out early warning and the warning of waterlogging event in time by various ways such as browser application, the micro-telecommunications services of mobile phone number, SMS, ensure sending in time and comprehensive propelling movement of warning message, be conducive to the reply waterlogging event of administrative authority and people masses science safety;
(5) intelligent online level monitoring early warning system is by patterned data statistics and the operation of query interface reduction system and use difficulty, once equipment is installed at the scene, all kinds of parameter settings of the automatically updated equipment of data center, realize the closely integrated of software and hardware, improved deployment and the service efficiency of system.
Accompanying drawing explanation
Fig. 1 is the system concept figure of intelligent online level monitoring early warning system of the present invention.
Fig. 2 is the overall construction drawing of intelligent online level monitoring early warning system of the present invention.
Fig. 3 is the connection diagram of each element of intelligent online level monitoring early warning system of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with drawings and Examples, the present invention is further described.Following embodiment makes a more detailed description the present invention, but it does not limit the scope of the invention.Based on the present embodiment, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the system concept figure of intelligent online level monitoring early warning system of the present invention.Fig. 2 is the overall construction drawing of intelligent online level monitoring early warning system of the present invention.Fig. 3 is the connection diagram of each element of intelligent online level monitoring early warning system of the present invention.
Below, first referring to figs. 1 through Fig. 3, intelligent online level monitoring early warning system of the present invention is introduced.
Referring to Fig. 1 to Fig. 3, intelligent online level monitoring early warning system of the present invention, the D of data center and at least one level monitoring early warning subsystem, consist of, each level monitoring early warning subsystem can comprise level monitoring point 1, level monitoring host apparatus 3 and monitoring repeater devices 2.Wherein, 3 couples of level monitoring point I of level monitoring host apparatus monitor, and generate Monitoring Data, and according to transformable Transmission Time Interval, Monitoring Data are transferred to monitoring repeater devices 2; Monitoring repeater devices 2 receives Monitoring Data, and according to transformable communication time interval, Monitoring Data is transferred to the D of data center; The D of data center carries out intelligent processing method by the Monitoring Data of reception, obtains level monitoring dotted state data, and level monitoring dotted state data are shown in real time and issued.In the present invention, transformable communication time is spaced apart the monitoring repeater devices stand-by period t that opening network is connected with server next time
next, about t
nextcalculating referring to the formula of subsequent introduction.
In the present invention, level monitoring point 1 can for but be not limited to inspection chamber, floss hole or the pipe duct with Types Below: Storm Sewer Network, sewage network, combined system pipe network, discharge conduit, urban inner river course and lake, receiving water body etc.; And can for but be not limited to the easy ponding ground with Types Below: the recessed viaduct in city, urban road, Urban Underground parking lot, public square etc.
Level monitoring host apparatus 3, comprises liquid level warning sensor 31, level monitoring sensor 32, monitor signal processor 34, short distance communication antenna 35, battery (such as disposable high-capacity battery) 33, guard shield, mounting bracket etc.Wherein, monitor signal processor 24 interconnects by connection cable with level monitoring sensor 31, liquid level warning sensor 32, short distance communication antenna 35, disposable high-capacity battery 33 respectively, monitor signal processor 24 and disposable high-capacity battery 33 are sealed in guard shield the inside, by guard shield joint, liquid level warning sensor 31, level monitoring sensor 32, short distance communication antenna 35 are placed in outside guard shield, guard shield is arranged on fixed support, and liquid level warning sensor 32 is arranged on fixed support bottom.
Monitoring repeater devices 2, comprises that signal receives and processor 22, relaying short distance communication antenna 23, mobile network's communication antenna 24, battery (for example rechargeable battery) 21, guard shield, mounting bracket.Wherein, signal receives with processor 22 and interconnects by connection cable with relaying short distance communication antenna 23, mobile network's communication antenna 24, rechargeable battery 21 respectively.Monitoring repeater devices 2 is used wireless network for the transmission of information, the transmission medium of wireless network includes but not limited to general packet radio service technology (GPRS, General Packet Radio Service) or based on CDMA (CDMA, Code Division Multiple Access) technology, third generation mobile technology (3G), the network of the 4th third-generation mobile communication technology (4G) or other wireless network.
The D of data center is included as has the Cloud Server main frame of separate the Internet IP address or the data server of stand-alone computer.On data server, be provided with the data transmission and forwarding service module, data statistics and enquiry module and data release module of described Monitoring Data being carried out to analyzing and processing.
Wherein, data transmission and forwarding service module, at data server, by Internet IP address and stiff end slogan, monitor the connection request of monitoring repeater devices 2, after connecting, first receive the packet that monitoring repeater devices 2 sends, save the data in local volatile data base, the clock time of then setting monitoring repeater devices 2 every 30 minutes is server current time, need to upgrade the device parameter of monitoring repeater devices 2 according to application program; Meanwhile, in another program threads service data, forward service, regularly the data in local volatile data base are proceeded to application data base;
Data statistics and enquiry module, by the data in application data base, the maximal values, minimum value, mean value etc. of Monitoring Data being carried out to hour, day, month are statistics automatically, and provide visual mode to carry out map shows, curve displaying, form displaying to Monitoring Data and statistics, and can be analyzed the data of different monitoring points, data analysis and process can adopt existing any data processing technique to carry out; And
Data release module, utilize the data in application data base, realize system automatic alarm, in application software, with different warning colors, show, warning message is directly pushed to related personnel by micro-telecommunications services number simultaneously, set up the WebServicies interface of data issue, the api interface of integrated microblogging issue, is convenient to timely notice and public's issue of Monitoring Data and warning message simultaneously.
Monitoring Data comprises the actual liquid level height value of level monitoring point 1.Wherein, if the actual liquid level height value of level monitoring point 1 is less than the early warning value of setting, level monitoring host apparatus 3 transmits described Monitoring Data with the 1st Transmission Time Interval to described monitoring repeater devices, monitoring repeater devices 2 receives the Monitoring Data of level monitoring host apparatus 3 transmission, and according to the 1st communication time interval, the Monitoring Data of reception is sent to the described D of data center.In practical application, the 1st Transmission Time Interval is determined, is generally 5～15 minutes when level monitoring host apparatus 3 dispatches from the factory.For example, when the actual liquid level height of level monitoring point 1 is less than early warning value, level monitoring host apparatus 3 sends the front Monitoring Data of obtaining for 15 minutes by short distance communication modes to monitoring repeater devices 2 in every 15 minutes, and the data that reception level monitoring host apparatus 3 sends are monitored and attempted in the start in every 5 minutes of monitoring repeater devices 2 for 5 seconds.In this case, monitoring repeater devices 2 sends to the described D of data center with the 1st communication time interval of every 5 minutes by the Monitoring Data of reception.
If the actual liquid level height value of level monitoring point 1 is greater than the early warning value of setting and is less than the alarming value of setting, level monitoring host apparatus 3 transmits described Monitoring Data with the 2nd Transmission Time Interval to monitoring repeater devices 2, monitoring repeater devices 2 receives the Monitoring Data of level monitoring host apparatus 3 transmission, and according to the 2nd communication time interval, the described Monitoring Data receiving is sent to the D of data center.In practical application, the 2nd Transmission Time Interval is determined, is generally 1～5 minute when level monitoring host apparatus 3 dispatches from the factory.For example, when the actual liquid level height of level monitoring point 1 is greater than early warning value and is less than alarming value, level monitoring host apparatus 3 sends the front Monitoring Data of obtaining for 5 minutes by short distance communication modes to monitoring repeater devices 2 in every 5 minutes, and the data that reception level monitoring host apparatus 3 sends are monitored and attempted in the start in every 1 minute of monitoring repeater devices 2 for 5 seconds.In this case, monitoring repeater devices 2 sends to the described D of data center with the 2nd communication time interval of every 1 minute by the Monitoring Data of reception.
If the actual liquid level height value of described level monitoring point 1 is greater than the alarming value of setting, level monitoring host apparatus 3 transmits described Monitoring Data with the 3rd Transmission Time Interval to monitoring repeater devices 2, monitoring repeater devices 2 receives the Monitoring Data of level monitoring host apparatus 3 transmission, and according to the 3rd communication time interval, the Monitoring Data of reception is sent to the D of data center.In practical application, the 1st Transmission Time Interval is determined, is generally 1 minute when level monitoring host apparatus 3 dispatches from the factory.For example, when the actual liquid level height of level monitoring point 1 is greater than alarming value, level monitoring host apparatus 3 sends to monitoring repeater devices 2 Monitoring Data of just having obtained by short distance communication modes in every 1 minute, and the data that reception level monitoring host apparatus 3 sends are monitored and attempted in the start in every 1 minute of monitoring repeater devices 2 for 5 seconds; Monitoring repeater devices 2, after receiving data, sends to the described D of data center by mobile network's communication antenna by data.In this case, monitoring repeater devices 2 sends to the described D of data center with the 3rd communication time interval of every 1 minute by the Monitoring Data of reception.Wherein, communication time interval is determined by following formula:
As Level (t) < Level
atime, t
next=max (t
a, min (t
setup, t
max))
As Level (t)>=Level
aand Level (t) < Level
btime,
t
next＝max(t
b，min(t
setup，t
a))
When Levelt dies)>=Level
btime, t
next=t
c
t
open＝t
1+t
2+t
3+t
3
Wherein,
The actual liquid level height of Level (t): t level monitoring point constantly, m;
Level
a: data center is the early warning value that level monitoring point arranges, m;
Level
b: data center is the alarming value that level monitoring point arranges, m;
T
next: the monitoring repeater devices stand-by period that opening network is connected with server next time, monitor the communication time interval that repeater devices and data center carry out communication, minute;
T
setup: the stand-by period that the opening network next time that data center sets for monitoring repeater devices is connected with server, minute;
T
a: level monitoring point liquid level, under normal condition, is monitored the shortest stand-by period that repeater devices opening network is connected with server, minute;
T
b: level monitoring point liquid level, under alert status, is monitored the shortest stand-by period that repeater devices opening network is connected with server, minute;
T
c: level monitoring point liquid level, under alarm condition, is monitored the shortest stand-by period that repeater devices opening network is connected with server, minute;
T
max: the maximum wait time that monitoring repeater devices opening network is connected with server, minute;
T
open: monitoring repeater devices is opened the stand-by period after short distance communication module, s at every turn;
T
1: the time that monitoring repeater devices is opened short distance communication module, s;
T
2: monitor the time that repeater devices and level monitoring host apparatus connect by short distance communication modes and carry out data transmission, s;
T
3: the clock relative error of monitoring repeater devices and described level monitoring host apparatus, s;
T
4: communication redundancy ensures time, s.
For guarantee monitoring relay every day at least with data center communication once, under low level condition, reduce the communication frequency, save the battery consumption of monitoring relay, under high liquid level condition, recover high frequency time and send data, guarantee the promptness of early warning and alarming, accomplish economize on electricity and neglect neither in time.In addition, consider t
openoptimization can both guarantee that the communication of each relaying and main frame and data transfer task can complete smoothly, also can reduce as far as possible the opening time of short distance communication module, save electric weight, preferably, t
a, t
b, t
c, t
max, t
1, t
2, t
3, t
4value be respectively:
t
a：(5，60)；
t
b：(5，15)；
t
c：(0.5，2)；
t
max：(720，1440)。
t
1：(0.5，1)；
t
2：(1，4)；
t
3：(1，3)；
t
4：(0.5，2)。
In addition, in order to save battery electric quantity, the D of data center can dynamic setting the next communication time of monitoring repeater devices 2.As, the D of data center every afternoon 7:00 receive after monitoring repeater devices 2 last data, the next communication time of setting monitoring repeater devices 2 is 720 minutes.When the actual liquid level height of monitoring point 1 is less than early warning value, monitoring repeater devices 2 is 720 minutes with the next communication time of the D of data center.During this period, if the actual liquid level height of monitoring point is greater than early warning value, communication time interval is adjusted into automatically by the determined communication time of above-mentioned formula.If run into emergency case, for example, when suddenly rain cats and dogs night, monitoring repeater devices 2 can be adjusted into the shorter communication frequency, i.e. t described above automatically according to the monitoring point actual liquid level data of up-to-date acquisition
nextthe determined communication frequency in computing formula, as, when up-to-date monitoring point actual liquid level data are greater than alarming value, monitoring repeater devices was carried out a communication every 1 minute with data center, so can not affect the promptness of warning.
In the present invention, level monitoring host apparatus 3 in each level monitoring subsystem is gone back acquisition instrument information, to the Monitoring frequency of level monitoring point 1, it is per minute 1 time, the integral point that the monitoring execution time is per minute, the benefit that per minute integral point is measured is, the data that can guarantee multiple spot are simultaneously-measured, time is all unified, facilitate unified tabulation and the comparative analysis of multipoint data, the system time of simultaneously monitoring repeater devices 2 is synchronizeed once with the D of data center by monitoring repeater devices 2 at least every 30 minutes, monitoring repeater devices 2 is synchronizeed once with level monitoring host apparatus 3 at least every 30 minutes, thereby the level monitoring host apparatus 3 that guarantees all access data neutrality is all put acquisition instrument information and Monitoring Data at one time, time relative error is not more than 3 seconds.Particularly, autosynchronous process is, every 30 minutes, when monitoring repeater devices 2 is set up communication with the server of the D of data center, server will send server current time to monitoring repeater devices 2, and monitoring repeater devices 2 is the time receiving by setting current time.Simultaneously, every 30 minutes, when level monitoring host apparatus 3 is set up communication with monitoring repeater devices 2, monitoring repeater devices 2 sends to level monitoring host apparatus 3 by the current time of monitoring repeater devices, and it is the time receiving that level monitoring host apparatus 3 is set current time.Due to every 30 minutes once synchronously, therefore can guarantee that level monitoring host apparatus 3, monitoring repeater devices 2 are smaller with the time error of the server of the D of data center, time relative error is not more than 3 seconds.
In the present invention, instrument information includes but not limited to following information: the primary monitoring signal of level monitoring sensor, the primary monitoring signal of liquid level warning sensor, the level monitoring sensor submergence depth of water, the liquid level warning sensor submergence depth of water, disposable high-capacity battery voltage, rechargeable battery voltage, instrument failure code etc., and by monitoring repeater devices 2, described instrument information is sent to the D of data center.
In addition, in invention, except the actual liquid level height of level monitoring point, the liquid level Huanghai Sea absolute altitude, level monitoring point liquid level that Monitoring Data also comprises level monitoring point alarm condition, level monitoring point apart from the height on ground, the overflow risk of level monitoring point, the overload magnification of level monitoring point.
Monitoring Data is determined by following formula:
L
1(t)=K
1(AD
1(t)-B
1)
L
2(t)＝K
2(AD
2(t)-B
2)
Work as L
2(t) during < ε, Level (t)=D-D
a-D
1+ L
1(t)
Work as L
2(t)>=and during ε, Level (t)=D-D
a+ L
2(t)
Elevation(t)＝H-D+Level(t)
Depth(t)＝D—Level(t)
Level(t)＝D—D
a+L
2(t)
Risk(t)＝Level(t)/D
Surchage(t)＝Level(t)/D
down
Wherein,
L
1(t): the t level monitoring sensor submergence depth of water constantly, m;
K
1: the correction coefficient of level monitoring sensor; m
-1;
AD
1(t): the original output signal of level monitoring sensor;
B
1: the output signal side-play amount of level monitoring sensor;
L
2(t): the t liquid level warning sensor submergence depth of water constantly, m;
K
2: the correction coefficient of liquid level warning sensor; m
-1;
AD
2(t): the original output signal of liquid level warning sensor;
B
2: the output signal side-play amount of liquid level warning sensor;
ε: liquid level warning sensor enable threshold value, m;
The actual liquid level height of Level (t): t level monitoring point constantly, m;
D: level monitoring point depth capacity, m;
D
a: level monitoring point mounting bracket bottom is apart from the height on ground, m;
D
1: level monitoring point is installed the length of cable of level monitoring sensor, m;
The liquid level Huanghai Sea absolute altitude of Elevation (t): t level monitoring point constantly, m;
H: level monitoring point ground Huanghai Sea absolute altitude, m;
Depth (t): t level monitoring point liquid level is constantly apart from the height on ground, m;
The overflow risk of Risk (t): t level monitoring point constantly;
The overload magnification of Surchage (t): t level monitoring point constantly;
D
down: level monitoring point downstream connects the height of pipe duct, m.
In order accurately to calculate liquid level data, and in order to prevent that level monitoring sensor from producing small measuring error because the long-term operation with pressure of external pressure conditioned disjunction level monitoring sensor produces zero migration, or when liquid level warning sensor has just been submerged or receive that external condition changes, the measured value impact that the small liquid level measuring (principle of pressure transducer is that the higher relative error of measured value is less) causes.Preferably, K
1, B
1, K
2, B
2, ε span be respectively:
K
1：(6000，9000)；
B
1：(400，700)；
K
2：(2000，3000)；
B
2：(400，700)；
ε：(0.05，0.3)。
According to the computing formula of above-mentioned discussed Monitoring Data, when the liquid level warning sensor 31 submergence depth of waters are during lower than ε, when preferably ε is 0.2 meter, Monitoring Data is calculated in primary monitoring signal and installation site by level monitoring sensor 32, when the liquid level warning sensor 31 submergence depth of waters are more than or equal to ε, when preferably ε is 0.2 meter, by primary monitoring signal and the installation site of liquid level warning sensor 31, calculate Monitoring Data.
When the liquid level warning sensor submergence depth of water is when in 24 hours, the 1st lasting n minute is more than or equal to ε, because level monitoring sensor is immersed in water for a long time, after long-play, can produce zero migration and slope deviation, and liquid level warning sensor is due to for a long time in air, not pressurized, so industry control condition is good.And the range than level monitoring sensor of liquid level warning sensor is little, measuring accuracy is higher.Therefore, can be after liquid level warning sensor be submerged, the actual liquid level and the primary monitoring signal that utilize liquid level warning to survey calculate, and proofread and correct K
1, B
1, data center utilizes the primary monitoring signal same period of continuous n minute Monitoring Data and level monitoring sensor to calculate by following formula, automatically revises the liquid level correction coefficient K of described level monitoring sensor
1with output signal side-play amount B
1:
N: the liquid level warning sensor submergence depth of water is more than or equal to lasting the number of minutes of ε.
the mean value of the original output signal of level monitoring sensor between (t-n-1, t);
the mean value of the t liquid level warning sensor submergence depth of water between (t-n-1, t), m;
The span of n is: (5,10).
In addition, for realizing the synchronism of described level monitoring subsystem institute image data, the D of data center sends the liquid level reduced parameter of level monitoring points to monitoring repeater devices 2, comprises the correction coefficient K of level monitoring sensor
1, level monitoring sensor output signal side-play amount B
1, liquid level warning sensor correction coefficient K
2, liquid level warning sensor output signal side-play amount B
2, level monitoring point liquid level early warning value Level
a, level monitoring point liquid level warning value Level
b, monitoring repeater devices SMS alarm cell-phone number, liquid level warning sensor enable threshold epsilon, monitoring repeater devices 2 next network communication time t
next, monitoring repeater devices 2 server ip address and port numbers.Generally, liquid level early warning value can be determined according to the actual conditions of level monitoring point, it is lower than liquid level warning value, and liquid level warning value can be liquid level apart from the scaled value of 0.5 meter～1.0 meters of the highest point of level monitoring point, as being the scaled value of monitoring liquid level apart from 0.5～1.0 meter, well head.The threshold value of enabling of liquid level warning sensor is set according to actual conditions, can be consistent with liquid level warning value, and also can be inconsistent.In practice, SMS alarm cell-phone number, liquid level early warning value and liquid level warning value can dynamically change as required.
Preferably, when the submergence depth of water of liquid level warning sensor surpasses the SMS alarm threshold value of setting, monitoring repeater devices is directly sent alarming short message to the SMS alarm cell-phone number of setting.
The level monitoring point of certain sewage network of take below carries out exemplary illustration to the principle of work of intelligent online level monitoring early warning system of the present invention as example.
Select buildings other bilge well in Haidian District, Beijing City to install and implement intelligent online level monitoring early warning system of the present invention as level monitoring point, the well depth of this level monitoring point is 3.2 meters, sewer diameter is 0.6 meter, and it is 1.4 meters that the front depth of water of level monitoring point is installed.
(1) first, monitor signal processor, level monitoring sensor, liquid level warning sensor, short distance communication antenna, disposable high-capacity battery are interconnected by connection cable, monitor signal processor, disposable high-capacity battery are sealed in to guard shield the inside, by guard shield joint, short distance communication antenna, level monitoring sensor, liquid level warning sensor are placed in outside guard shield.In the punching of the position of approximately 20 centimetres of level monitoring point place bilge well subsurfaces, mounting bracket is arranged on to place, hole, to be suspended on bilge well inner side, guard shield is placed in to mounting bracket, form level monitoring host apparatus.What regulate liquid level monitoring sensor is 2.6 meters from wellhead ground height, liquid level warning sensor from wellhead ground height, be 0.52 meter.
(2) secondly, signal is received with processor and interconnected by connection cable with relaying short distance communication antenna, mobile network's communication antenna, rechargeable battery respectively, signal reception and processor, rechargeable battery are sealed in to relaying guard shield the inside, by relaying guard shield joint, relaying short distance communication antenna, mobile network's communication antenna are placed in outside relaying guard shield.Utilize relaying mounting bracket relaying guard shield to be fixed on the light pole of the 10 meters of distances in bilge well side, form monitoring repeater devices.
(3) again,, in data server deploy data transmission and forwarding service module, data statistics and enquiry module, data issuing function module, form data center.
Software interface by data center add above-mentioned level monitoring point, level monitoring host apparatus,
The initialization information of monitoring repeater devices.Initialization information comprises:
D: level monitoring point depth capacity, 3.24m;
D
a: level monitoring point mounting bracket bottom is apart from the height on ground, 0.52m;
D
1: level monitoring point is installed the length of cable of level monitoring sensor, 1.91m;
H: level monitoring point ground Huanghai Sea absolute altitude, 52m;
D
down: level monitoring point downstream connects the height of pipe duct, 0.3m;
K
1: the correction coefficient of level monitoring sensor, 7250m
-1;
K
2: the correction coefficient of liquid level warning sensor, 2231m
-1;
B
1: the output signal side-play amount of level monitoring sensor, 566;
B
2: the output signal side-play amount of liquid level warning sensor, 533;
ε: liquid level warning sensor enable threshold value, 0.1m;
Level
a: data center is the early warning value that level monitoring point arranges, 1.8m;
Level
b: data center is the alarming value that level monitoring point arranges, 2.2m;
SMS alarm cell-phone number: 5 related personnel's phone number.
Under initial situation, monitoring repeater devices is attempted from data center's requesting service configuration parameter and current time for every 5 minutes, and level monitoring host apparatus is attempted obtaining configuration parameter and current time from monitoring repeater devices for every 5 minutes.After approximately 10 minutes, monitoring repeater devices is passed one group of effective Monitoring Data back to data center, and the value of up-to-date monitoring bathymetric data is 1.42 meters, basically identical with actual liquid level in current bilge well.
(4) system after in the operational process of 1 month, the water depth value of 1 bilge well of per minute integral point monitoring.When the depth of water of level monitoring point of monitoring is less than 1.8 meters of setting early warning values, monitoring repeater devices Mei15Fen clockwise data center sends a secondary data, 7:00 does not send data between morning 7:00 at night, at morning 7:00, in batches to data center's transmission history data, in 5 minutes, complete historical data transmission; When the monitoring depth of water is greater than, sets 1.8 meters of early warning values and be less than while setting 2.2 meters of alarming values, monitoring every 5 minutes clockwise data centers of repeater devices send a secondary data; When the monitoring depth of water is greater than while setting 2.2 meters of alarming values, monitoring every 1 minute clockwise data center of repeater devices sends a secondary data, monitoring the depth of water first over 2.8 meters, be that the submergence depth of water of liquid level warning sensor is higher than enabling after threshold value, the alarm mobile phone of equipment setting number can be received alarming short message in time, the user who pays close attention to this equipment by micro-telecommunications services number also almost receives micro-letter warning message simultaneously, logins browser application simultaneously and also can check this warning message.
By the browser application interface of data center, the username and password of can service routine setting is anywhere or anytime by web browser login application program, check easily up-to-date Monitoring Data, Monitoring Data is carried out hour, my god, the maximal value of the moon, minimum value, the data statisticss such as mean value, by visual mode, Monitoring Data and statistics are carried out to map shows, curve is shown, form is shown, facilitate user to check at any time the water level situation of this level monitoring point, understand this bilge well and whether have recently overflow risk, prevent the generation of flooded conditions.
In summary, intelligent online level monitoring early warning system of the present invention has the features such as minute level stability monitoring and alarm, reliable intelligence, having realized monitoring equipment synchronizes with time synchronized and the parameters of data center, note and the micro-letter of having realized warning message push, and have realized user's inquiry easily and statistical analysis software interface.Utilize intelligent online level monitoring early warning system of the present invention, not only can realize the liquid level on-line monitoring of high frequency time, meet the analysis of drainage pipeline networks long-time running rule and typical ponding event, also the overflow risk of anticipation unwatering system be can shift to an earlier date, timely propelling movement and the issue of overflow or waterlogging event early warning and alarming information carried out.
Claims (10)
1. an intelligent online level monitoring early warning system, is comprised of data center and at least one level monitoring early warning subsystem, it is characterized in that, described level monitoring early warning subsystem comprises:
Level monitoring point;
Level monitoring host apparatus, carries out on-line monitoring to described level monitoring point, generates continuous Monitoring Data, and according to transformable Transmission Time Interval, described Monitoring Data is transferred to monitoring repeater devices;
Monitoring repeater devices, receives described Monitoring Data, and according to transformable communication time interval, described Monitoring Data is transferred to data center;
Data center, processes the Monitoring Data of reception, obtains level monitoring dotted state data, and described level monitoring dotted state data are shown in real time and issued.
2. intelligent online level monitoring early warning system according to claim 1, is characterized in that,
Described level monitoring host apparatus comprises level monitoring sensor, liquid level warning sensor, monitor signal processor, short distance communication antenna, battery, guard shield, mounting bracket for main frame, and described monitor signal processor interconnects by connection cable with battery with described level monitoring sensor, liquid level warning sensor, short distance communication antenna, main frame respectively;
Described monitoring repeater devices comprises signal reception and processor, relaying short distance communication antenna, mobile network's communication antenna, battery, relaying guard shield, relaying mounting bracket for repeater, and described signal receives with processor and interconnects by connection cable with described relaying short distance communication antenna, mobile network's communication antenna, repeater battery respectively; And
Described data center is included as has the Cloud Server main frame of separate the Internet IP address or the data server of stand-alone computer, is provided with the data transmission and forwarding service module, data statistics and enquiry module and data release module of described Monitoring Data being carried out to analyzing and processing on described data server.
3. intelligent online level monitoring early warning system according to claim 1, is characterized in that, described Monitoring Data comprises the actual liquid level height value of level monitoring point, wherein,
If the actual liquid level height value of described level monitoring point is less than the early warning value of setting, described level monitoring host apparatus transmits described Monitoring Data with the 1st Transmission Time Interval to described monitoring repeater devices, described monitoring repeater devices receives the Monitoring Data of described level monitoring host apparatus transmission, and according to the 1st communication time interval, the described Monitoring Data receiving is sent to described data center;
If the actual liquid level height value of described level monitoring point is greater than the early warning value of setting and is less than the alarming value of setting, described level monitoring host apparatus transmits described Monitoring Data with the 2nd Transmission Time Interval to described monitoring repeater devices, described monitoring repeater devices receives the Monitoring Data of described level monitoring host apparatus transmission, and according to the 2nd communication time interval, the described Monitoring Data receiving is sent to described data center;
If the actual liquid level height value of described level monitoring point is greater than the alarming value of setting, described level monitoring host apparatus transmits described Monitoring Data with the 3rd Transmission Time Interval to described monitoring repeater devices, described monitoring repeater devices receives the Monitoring Data of described level monitoring host apparatus transmission, and according to the 3rd communication time interval, the described Monitoring Data receiving is sent to described data center.
Wherein, described communication time is determined by following formula:
As Level (t) <Level
atime, t
next=max (t
a, min (t
setup, t
max))
As Level (t)>=Level
aand Level (t) <Level
btime,
t
next＝max(t
b，min(t
setup，t
a))
As Level (t)>=Level
btime, t
next=t
c
t
open＝t
1+t
2+t
3+t
3
Wherein,
The actual liquid level height of Level (t): t level monitoring point constantly, m;
Level
a: data center is the early warning value that level monitoring point arranges, m;
Level
b: data center is the alarming value that level monitoring point arranges, m;
T
next: the described monitoring repeater devices stand-by period that opening network is connected with server next time, minute;
T
setup: described data center is the stand-by period that the opening network next time of described monitoring repeater devices setting is connected with server, minute;
T
a: level monitoring point liquid level, under normal condition, is monitored the shortest stand-by period that repeater devices opening network is connected with server, minute;
T
b: level monitoring point liquid level, under alert status, is monitored the shortest stand-by period that repeater devices opening network is connected with server, minute;
T
c: level monitoring point liquid level, under alarm condition, is monitored the shortest stand-by period that repeater devices opening network is connected with server, minute;
T
max: the maximum wait time that monitoring repeater devices opening network is connected with server, minute;
T
open: described monitoring repeater devices is opened the stand-by period after short distance communication module, s at every turn;
T
1: described monitoring repeater devices is opened the time of short distance communication module, s;
T
2: described monitoring repeater devices and described level monitoring host apparatus connect by short distance communication modes and carry out time of data transmission, s;
T
3: the clock maximum relative error of described monitoring repeater devices and described level monitoring host apparatus, s;
T
4: communication redundancy ensures time, s.
4. intelligent online level monitoring early warning system according to claim 1, it is characterized in that, described level monitoring host apparatus is per minute 1 time to the Monitoring frequency of described level monitoring point, the integral point that the monitoring execution time is per minute, the system time of described monitoring repeater devices is synchronizeed once with described data center by described monitoring repeater devices at least every 30 minutes, and the system time of described level monitoring host apparatus is synchronizeed once by described level monitoring host apparatus and described monitoring repeater devices at least every 30 minutes.
5. intelligent online level monitoring early warning system according to claim 4, is characterized in that,
Described level monitoring host apparatus is also monitored the instrument information of described level monitoring host apparatus and described monitoring repeater devices, described instrument information comprises the primary monitoring signal of level monitoring sensor, the primary monitoring signal of liquid level warning sensor, the level monitoring sensor submergence depth of water, the liquid level warning sensor submergence depth of water, cell voltage for main frame, cell voltage, instrument failure code for repeater, and by described monitoring repeater devices, described instrument information is sent to described data center.
6. intelligent online level monitoring early warning system according to claim 5, is characterized in that,
The liquid level Huanghai Sea absolute altitude, level monitoring point liquid level that described Monitoring Data also comprises level monitoring point alarm condition, level monitoring point apart from the height on ground, the overflow risk of level monitoring point, the overload magnification of level monitoring point,
Described Monitoring Data is determined by following formula:
L
1(t)＝K
1(AD
1(t)-B
1)
L
2(t)＝K
2(AD
2(t)-B
2)
Work as L
2(t) during < ε, Level (t)=D-D
a-D
1+ L
1(t)
Work as L
2(t)>=and during ε, Level (t)=D-D
a+ L
2(t)
Elevation(t)＝H-D+Level(t)
Depth(t)＝D-Level(t)
Level(t)＝D-D
a+L
2(t)
Risk(t)＝Level(t)/D
Surchage(t)＝Level(t)/D
down
Wherein,
L
1(dying): the t level monitoring sensor submergence depth of water constantly, m;
K
1: the correction coefficient of level monitoring sensor, m
-1;
AD
1(t): the original output signal of level monitoring sensor;
B
1: the output signal side-play amount of level monitoring sensor;
L
2(dying): the t liquid level warning sensor submergence depth of water constantly, m;
K
2: the correction coefficient of liquid level warning sensor, m
-1;
AD
2(t): the original output signal of liquid level warning sensor;
B
2: the output signal side-play amount of liquid level warning sensor;
ε: liquid level warning sensor enable threshold value, m;
The actual liquid level height of Level (t): t level monitoring point constantly, m;
D: level monitoring point depth capacity, m;
D
a: level monitoring point mounting bracket bottom is apart from the height on ground, m;
D
1: level monitoring point is installed the length of cable of level monitoring sensor, m;
The liquid level Huanghai Sea absolute altitude of Elevation (t): t level monitoring point constantly, m;
H: level monitoring point ground Huanghai Sea absolute altitude, m;
Depth (t): t level monitoring point liquid level is constantly apart from the height on ground, m;
The overflow risk of Risk (t): t level monitoring point constantly;
The overload magnification of Surchage (t): t level monitoring point constantly;
D
down: level monitoring point downstream connects the height of pipe duct, m.
7. intelligent online level monitoring early warning system according to claim 6, is characterized in that described K
1, B
1, K
2, B
2, ε span be respectively:
K
1：(6000，9000)；
B
1：(400，700)；
K
2：(2000，3000)；
B
2：(400，700)；
ε：(0.05，0.3)。
8. according to the intelligent online level monitoring early warning system described in claim 1 to 7 any one, it is characterized in that, described data center logins the application program of described data center user, after described level monitoring point parameter is modified and is preserved, while once setting up communication with server in described monitoring repeater devices, to described monitoring repeater devices, send the liquid level reduced parameter of level monitoring point, the liquid level early warning value of level monitoring point, the liquid level warning value of level monitoring point, the SMS alarm cell-phone number of monitoring repeater devices, the SMS alarm threshold value of liquid level warning sensor, the stand-by period that the opening network next time of monitoring repeater devices is connected with server, server ip address and the port numbers of monitoring repeater devices.
9. intelligent online level monitoring early warning system according to claim 8, is characterized in that,
Described t
a, t
b, t
c, t
max, t
1, t
2, t
3, t
4value be respectively:
t
a：(5，60)；
t
b：(5，15)；
t
c：(0.5，2)；
t
max：(720，1440)；
t
1：(0.5，1)；
t
2：(1，4)；
t
3：(1，3)；
t
4：(0.5，2)。
10. intelligent online level monitoring early warning system according to claim 8, is characterized in that,
When described liquid level warning measurement value sensor surpasses the SMS alarm threshold epsilon of setting, described monitoring repeater devices is directly sent warning message to the SMS alarm cell-phone number of setting.
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| CN107764356A (en) * | 2017-09-18 | 2018-03-06 | 江苏省南菁高级中学 | Groundwater level alarm method |
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| CN108180962A (en) * | 2018-01-04 | 2018-06-19 | 河北绿源地热能开发有限公司 | A kind of hydrostatic position monitoring method under high temperature geothermal well river channels |
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| CN109405924A (en) * | 2018-11-15 | 2019-03-01 | 广州市市政工程设计研究总院有限公司 | A kind of online remote supervision system of drainage pipeline networks liquid level and method |
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| CN113738560A (en) * | 2021-08-24 | 2021-12-03 | 浙江大学 | Drainage pipeline spontaneous current amount and liquid level detection integrated wireless device and method |
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| CN114754838A (en) * | 2022-03-31 | 2022-07-15 | 北京城市气象研究院 | Early warning method suitable for natural slope and urban inland inundation water accumulation depth |
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