CN101865716B - Urban drainage pipe network water level information monitoring system - Google Patents
Urban drainage pipe network water level information monitoring system Download PDFInfo
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Abstract
The invention relates to an urban drainage pipe network water level information monitoring system. The system comprises inspection shaft water level monitoring terminals and a drainage pipe network information processing platform, and the inspection shaft water level monitoring terminals adopt the GPRS wireless communication mode and establish remote communication and connection with the drainage pipe network information processing platform via the Internet pubic network. Compared with the prior art, the system can real-timely monitor the dynamic operational state of a drainage pipe network, improve the level of the maintenance, management and assessment of the drainage pipe network, strengthen the analysis on regional drainability and enhance emergency flood control capability.
Description
Technical field
The present invention relates to a kind of water level information monitoring system, especially relate to a kind of urban drainage pipe network water level information monitoring system.
Background technology
The important foundation facility that sewerage system is urban construction, environmental protection, control flood and drain flooded fields; Set up urban drainage pipe network water level information monitoring system; For the municipal drainage supvr provides Real Time Observation drainage pipeline networks SEA LEVEL VARIATION, analyzes the management platform of drainage pipeline networks dynamic operation situation, become the urgent demand of modern city drainage management.
Hidden whenever just have an inspection shaft that connects ground at a distance from tens meters in underground drainpipe; If can in inspection shaft, measure the height of water level of inspection shaft continuously and automatically; And data are sent to administrative center, administrative center has also just grasped the real-time change situation of water level in the drainpipe.
Because the environment in the draining inspection shaft is very abominable and power supply can not be provided; The traditional Level Detection equipment such as the magnetic levitation type liquid level meter of contact, servo-type level meter, static pressure called putting-into-type liquid level meter etc., the influence that all adheres to, is prone to harsh conditions such as impaired when the pipeline maintenance work because of being difficult to solve sewage burn into mud in the draining inspection shaft can't be used; Contactless common ultrasonic liquid leveller then because of the intrinsic ultrasound wave angle of divergence, have factors such as certain measurement blind area, power consumption are bigger, also can't be very big even can flood measurement mechanism, do not have to use in the draining inspection shaft of power supply in narrow space, SEA LEVEL VARIATION.
Owing to lack suitable level measurement device; So far still have to regularly or as required adopt manual mode to measure and write down the water level of draining inspection shaft by the full-time staff, the operational management of drainage pipeline networks has to rest on the traditional management mode because of the disappearance of real-time information.The backwardness of technological means has restricted the informatization of draining industry, has also hindered draining trade management development of modernization process.
Summary of the invention
The object of the invention is exactly for the defective that overcomes above-mentioned prior art existence a kind of drainage pipeline networks dynamic operation situation of grasping in real time to be provided; Improve maintenance, management, the examination level of drainage pipeline networks; The reinforced region drainability is analyzed, and promotes the urban drainage pipe network water level information monitoring system of emergent flood control capacity.
The object of the invention can be realized through following technical scheme:
A kind of urban drainage pipe network water level information monitoring system; It is characterized in that; This system comprises the inspection shaft water level monitoring terminal and the drainage pipeline networks information processing platform, and described inspection shaft water level monitoring terminal is adopted the GPRS wireless communication mode and set up telecommunication through the Internet public network with the drainage pipeline networks information processing platform and is connected.
Described inspection shaft water level monitoring terminal is arranged in the draining inspection shaft, and the described drainage pipeline networks information processing platform is arranged on administrative center.
Described inspection shaft water level monitoring terminal comprises level measuring unit, main control unit.
Described level measuring unit comprises that arithmetic control circuit, ultrasound wave send signal processing circuit, ultrasonic echo signal processing circuit, ultrasonic transducer, temperature sensor, digital pressure transducer, and described digital pressure sensor is arranged on the position near the ultrasonic measurement blind area; Each assembly workflow of described level measuring unit is following:
1) in the normal measurement range of ultrasound wave, arithmetic control circuit sends signal processing circuit through ultrasound wave and sends the driving pulse energy to ultrasonic transducer;
2) convert ultrasound wave to water surface directional transmissions by ultrasonic transducer;
3) ultrasound wave arrives water surface back reflection and returns ultrasonic transducer;
4) convert electric signal to and deliver to arithmetic control circuit by ultrasonic transducer through the ultrasonic echo signal processing circuit;
5) by arithmetic control circuit ultrasound wave is converted into the distance of ultrasonic transducer transmission face to the water surface from being issued to the transmission time difference of receiving;
6) come the filtering wave beam to disperse by arithmetic control circuit through the Intelligent treatment of software and cause the noise data that borehole wall interference echo produces, and reject the data that irrational second trip echo produces, draw real inspection shaft water level numerical value;
7) rise to the ultrasonic measurement blind area when water level, arithmetic control circuit receives the force value output of digital pressure sensor, is converted into force value the height of water level.
Described main control unit comprises main processing block, clock/counting module, watchdog module, GPRS communication module, data storage module, first power control circuit, second source control circuit, wireless communication interface; Described main processing block is with the mode control water level measuring unit of on/off power supply and the ON/OFF of GPRS communication module, and described main control unit workflow is following:
1) main processing block is closed the level measuring unit according to water level sampling period time opening level measuring unit after receiving the correct waterlevel data of level measuring unit;
2) main processing block is closed the GPRS communication module according to data transmitting period time opening GPRS communication module after the data communication of the completion and the drainage pipeline networks information processing platform.
3) guaranteeing on the waterlevel data basis of system log (SYSLOG) rational density that main control unit can be revised water level sampling period and data transmitting period automatically according to the water level value of inspection shaft and the rate of change of water level, and " meeting the change then to report " mode of employing is moved.
It is the integrated framework of core that the described drainage pipeline networks information processing platform adopts with the data server.
The described drainage pipeline networks information processing platform is according to the spatial relationship of waterlevel data He each draining inspection shaft of each draining inspection shaft; Obtain the pipeline section water-head information of derivation and the water level gradient of pipeline; And, restore the real operation conditions of drainage pipeline networks from the water level slope change of pipeline.
Compared with prior art, the present invention has the following advantages:
The present invention has not only filled up the blank of in the draining inspection shaft, measuring the drainage pipeline networks water level automatically; And can be according to the spatial relationship of waterlevel data He each draining inspection shaft of each draining inspection shaft; Obtain the real time execution information of drainage pipeline networks, for improving maintenance, management, the examination level of drainage pipeline networks; The reinforced region drainability is analyzed; The emergent flood control capacity of lifting etc. provides very effective technological means.
1) but the water level of inspection shaft water level monitoring terminal gamut monitoring draining inspection shaft, exceeding at water level still can operate as normal under the well face situation.
2) the internal battery power supply is adopted at inspection shaft water level monitoring terminal, and a Battery pack can supply the terminal operate as normal 2 years.
3) inspection shaft water level monitoring terminal does not receive the influence of temperature and change of atmospheric pressure to the measurement of water level.
4) inspection shaft water level monitoring terminal can adherent installation in inspection shaft, and narrow, the mud alluvial in space in can the well adapted inspection shaft, subjects to abominable condition of work such as pipeline maintenance work collision.
5) telecommunication link is set up through the GPRS wireless public network and the drainage pipeline networks information processing platform in inspection shaft water level monitoring terminal, and the region all standing characteristic of wireless public network has guaranteed all standing in system applies zone.
6) application of urban drainage pipe network water level information monitoring system has improved maintenance, management, the examination level of drainage pipeline networks:
(1) can grasp the running status of whole drainage system from the overall situation in real time, effective identification alluvial pipeline section, the analysis conduit dredging effect, objective evaluation pipeline maintenance quality provides the data support for formulating pipeline maintenance scheme.
(2) monitor the situation of the dirty mixed flow draining of rain in real time, for the present situation of improving the dirty mixed flow of rain provides foundation.
(3) realize specialization, robotization and the informationization that drainage pipeline networks is managed, auxiliary scientific management decision-making.
7) urban drainage pipe network water level information monitoring system is that regional drainability analysis provides the data support:
(1) operational effect of assessment drainage pumping plant is found and the diagnosis drainage pumping plant designs deficiency and the problem that exists with operation.
(2) the bottleneck pipeline section in the diagnosis pipe network is for pipe network improving provides foundation.
(3) the regional drainability for the existing unwatering system of taping the latent power provides analysis means.
(4) for newly-built regional sewerage system planning, design, construction valid data are provided.
8) real-time information of urban drainage pipe network water level information monitoring system has promoted the emergent flood control capacity of unwatering system:
(1) through the water level dynamic monitoring, the support of data promptly and accurately is provided to heavy rain flood control early warning.
(2) take emergency measures for flood control the dynamic data support is provided, study intercommunication and utilization between the unwatering system with this.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a level measuring cellular construction synoptic diagram of the present invention;
Fig. 3 is an inspection shaft water level monitoring terminal structure synoptic diagram of the present invention;
Fig. 4 is the control flow chart at inspection shaft water level monitoring terminal;
Fig. 5 is serial ports 0 (GPRS communication) the Interrupt Process process flow diagram at inspection shaft water level monitoring terminal;
Fig. 6 is serial ports 1 (level measuring unit) the Interrupt Process process flow diagram at inspection shaft water level monitoring terminal.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Embodiment
A kind of urban drainage pipe network water level information monitoring system as shown in Figure 1; It is characterized in that; This device comprises inspection shaft water level monitoring terminal A and drainage pipeline networks information processing platform C, and described inspection shaft water level monitoring terminal A adopts the GPRS wireless communication mode and sets up telecommunication through Internet public network B with drainage pipeline networks information processing platform C and is connected.
Described inspection shaft water level monitoring terminal A is arranged in the draining inspection shaft, and described drainage pipeline networks information processing platform C is arranged on administrative center.
Described inspection shaft water level monitoring terminal A comprises level measuring unit, main control unit.
As shown in Figure 2; Described level measuring unit comprises that arithmetic control circuit 11, ultrasound wave send signal processing circuit, ultrasonic echo signal processing circuit, ultrasonic transducer 12, temperature sensor 13, digital pressure transducer 14, and described digital pressure sensor 14 is arranged on the position near the ultrasonic measurement blind area; Each assembly workflow of described level measuring unit is following:
1) in the normal measurement range of ultrasound wave, arithmetic control circuit 11 sends signal processing circuit through ultrasound wave and sends the driving pulse energy to ultrasonic transducer 12;
2) convert ultrasound wave to water surface directional transmissions by ultrasonic transducer 12;
3) ultrasound wave arrives water surface back reflection and returns ultrasonic transducer 12;
4) convert electric signal to and deliver to arithmetic control circuit 11 by ultrasonic transducer 12 through the ultrasonic echo signal processing circuit;
5) by arithmetic control circuit 11 ultrasound wave is converted into the distance of ultrasonic transducer transmission face to the water surface from being issued to the transmission time difference of receiving;
6) come the filtering wave beam to disperse by arithmetic control circuit 11 through the Intelligent treatment of software and cause the noise data that borehole wall interference echo produces, and reject the data that irrational second trip echo produces, draw real inspection shaft water level numerical value;
7) rise to the ultrasonic measurement blind area when water level, arithmetic control circuit 11 receives the force value output of digital pressure sensors 14, is converted into force value the height of water level.
As shown in Figure 3; Described main control unit comprises main processing block 21, clock/counting module 22, watchdog module 23, GPRS communication module 24, data storage module 25, first power control circuit 27, second source control circuit 28, wireless communication interface 26; Described main processing block 21 is with the mode control water level measuring unit 1 of on/off power supply and the ON/OFF of GPRS communication module 24, and described main control unit workflow is following:
1) main processing block 21 is closed level measuring unit 1 according to water level sampling period time opening level measuring unit 1 after receiving the correct waterlevel data of level measuring unit 1;
2) main processing block 21 is closed GPRS communication module 24 according to data transmitting period time opening GPRS communication module 24 after the data communication of completion and drainage pipeline networks information processing platform C.
3) guaranteeing on the waterlevel data basis of system log (SYSLOG) rational density; Main control unit can be revised water level sampling period and data transmitting period automatically according to the water level value of inspection shaft and the rate of change of water level; And " meeting the change then to report " mode of employing is moved; The real-time of assurance system is to reduce the operation power consumption at inspection shaft water level monitoring terminal to greatest extent.
It is the integrated framework of core that drainage pipeline networks information processing platform C adopts with the data server.
The drainage pipeline networks information processing platform except that dynamically representing the drainage pipeline networks real-time information, can also satisfy the managerial demand of specialty of drainage pipeline networks such as daily operation supervision, drainability analysis, emergent flood control application on using, comprising:
(1) can understand the true operation conditions of drainage pipeline networks;
(2) can formulate specific aim pipe network maintenance plan on this basis;
(3) can assess the routine servicing effect of pipe network on this basis;
(4) can efficiently coordinate draining run unit and the collaborative work of draining maintenance unit;
(5) can make the emergency preplan of science under the different rain condition on this basis;
(6) can rationally command local draining of overflowing aqua region to speedily carry out rescue work on this basis.
(7) can study intercommunication and utilization between the unwatering system on this basis
The level measuring unit adopts the microprocessor of single-chip microcomputer as the level measuring unit.
In the normal measurement range of ultrasound wave; Single-chip microcomputer sends the square-wave signal that frequency is the ultrasonic transducer resonance frequency; This square wave passes through the over level translation circuit, and after the pulse booster circuit rises to certain high pressure, send ultrasonic transducer, converts ultrasound wave to water surface directional transmissions by transducer.
The ultrasound wave that fires back through the water surface that transducer will receive converts voltage signal into, and the echoed signal of single-chip microcomputer sampling after amplification, filtering, shaping calculates ultrasound wave from being issued to the transmission time of receiving.
Single-chip microcomputer is according to the temperature value that receives; Calculate the ultrasonic transmission velocity of wave under this temperature environment; Converse the distance of ultrasonic transducer transmission face according to hyperacoustic transmission time and transmission velocity of wave, and be stored in the storer by data processing software judging distance rationality and with correct result to the water surface.
Because the wave beam angle of divergence is the intrinsic physical characteristics of ultrasonic transducer; In order to reach the use of ultrasonic measurement in the draining inspection shaft, the level measuring unit is eliminated because of inspection shaft narrow space, wave beam through the Intelligent treatment of scm software and is dispersed the influence that causes echo to disturb.
Scm software is controlled the intensity of driving pulse according to the amplitude of echoed signal automatically when echoed signal is sampled, in echoed signal optimal magnitude scope, repeatedly sample.
Scm software carries out digital filtering according to the distribution and the intensity of sampled data, disperses the noise data that causes that borehole wall interference echo produces with the filtering wave beam.
Scm software compares a plurality of numerical value and historical data behind digital filtering, rejects the data that irrational second trip echo produces, and draws real inspection shaft water level numerical value.
When water level rises to the ultrasonic measurement blind area:
Single-chip microcomputer receives the force value output of digital pressure sensor, is converted into the height of water level to force value, and correct result is stored in the storer.
Pressure transducer adopts absolute pressure to measure form; In the normal measurement range of ultrasound wave; Single-chip microcomputer also constantly carries out zero-in to the force value of pressure transducer output through ultrasonic measurement inspection shaft water level simultaneously, changes the influence to the level measuring value to eliminate atmospheric pressure.
As shown in Figure 4, master routine reads after the initialization information.Get into a loop body.State according to variable in the program is carried out the handled content.Comprise waterlevel data sampling, data preservation, data transmission, voltage sample, temperature sampling and parameter setting and read.After finishing dealing with once.Program can make circuit can get into dormant state.Stand-by period interrupts, timer interrupts and the reception data of serial ports completely withdraw from dormant state.Wake continued up and carry out this loop body.
As shown in Figure 5, as shown in Figure 6 for serial ports 0 (GPRS communication) Interrupt Process process, be serial ports 1 (level measuring unit) Interrupt Process.
Drainage pipeline networks information processing platform function realizes
It is the integrated framework of core that the drainage pipeline networks information processing platform adopts with the data server; In this integrated framework; Each performs its own functions for three kinds of servers, bears functions such as Control on Communication, data storage and processing and WEB service respectively, constitutes complete drainage pipeline networks data hinge.
The software function of the drainage pipeline networks information processing platform comprises basic function and analytic function:
(1) basic function
Graphics table interface: the view Presentation Function that is similar to AutoCAD; Can carry out easily and intuitively to pipe network amplify, dwindle, click, frame choosing, hawkeye navigation, mark show, segment is printed, and also are furnished with the form demonstration of layer management, block management and pipe network data etc.
Data check: powerful pipe network query function is provided, pipe network assembly, spatial information, managerial data etc. is carried out figure select inquiry, condition query, placename-querying, classification inquiry, span inquiry, and Query Result can realize that chart looks into mutually.
GIS expansion: choose segment and convert the CAD graphic file to, under the support of interface routine, can show the state and the data and curves of various pipe network monitoring equipments.
Information Statistics: the full detail of pipe network attribute, locus or the information that satisfies certain specified conditions are added up, classified.
System configuration: can carry out the personalization configuration to system, comprise user management, mark configuration etc.
(2) analytic function
The various visual angles real time data dynamically represents:
1. represent each measuring point real time water level data with forms mode;
2. be background with plane map or pipe network topological diagram, represent the distribution of real time data, and represent that with different colours the difference of pipeline section is full of situation;
3. the profile with relevant inspection shaft is a base map, represents the water level of each inspection shaft in the same system and mutual water-head.
Multi-form historical data is recollected:
1. water level trend, scope was carried out the multiple spot curves of water level and was represented option date, and the selection of measuring point can be according to displaying scheme or user's independent assortment;
2. analyze on year-on-year basis, same measuring point changes chart in the water level position of different times;
3. be that the data of background are on-the-spot with plane map or pipe network topological diagram, option date scope and animation step-length, the variation of dynamically reproducing real time data and pipeline section full state;
4. be that the data of base map are on-the-spot with the profile of relevant inspection shaft, option date scope and animation step-length, the variation of dynamically reproducing each inspection shaft water level elevation and mutual head in the same system;
Many contents alarming and managing:
1. set up draining inspection shaft water level monitoring managing process based on database; Water level gradient between each draining inspection shaft water level, each inspection shaft of same unwatering system is equipped with certain normal range; If exceed the normal range of its setting, then assert the draining alert event has taken place;
2. the overtime warning of communicating by letter;
3. the ultrasonic measurement warning that makes mistakes;
4. ultrasonic transducer fault alarm;
5. pressure sensor failure is reported to the police;
6. battery low-voltage is reported to the police.
The multi-levels data inquiry:
1. select the random time section, to the data query and the incident inquiry of single measuring point;
2. select the random time section, to the data query and the incident inquiry of independent unwatering system;
3. select random time section and any related a plurality of measuring points, to the data query of related measuring point;
4. can be according to sky, the moon, year random time section, inquiry water level peak-to-valley value detailed data.
Claims (3)
1. urban drainage pipe network water level information monitoring system; It is characterized in that; This system comprises the inspection shaft water level monitoring terminal and the drainage pipeline networks information processing platform, and described inspection shaft water level monitoring terminal is adopted the GPRS wireless communication mode and set up telecommunication through the Internet public network with the drainage pipeline networks information processing platform and is connected;
Described inspection shaft water level monitoring terminal is arranged in the draining inspection shaft, and the described drainage pipeline networks information processing platform is arranged on administrative center;
Described inspection shaft water level monitoring terminal comprises level measuring unit, main control unit;
Described level measuring unit comprises that arithmetic control circuit, ultrasound wave send signal processing circuit, ultrasonic echo signal processing circuit, ultrasonic transducer, temperature sensor, digital pressure transducer, and described digital pressure transducer is arranged on the position near the ultrasonic measurement blind area; Each assembly workflow of described level measuring unit is following:
41) in the normal measurement range of ultrasound wave, arithmetic control circuit sends signal processing circuit through ultrasound wave and sends the driving pulse energy to ultrasonic transducer;
42) convert ultrasound wave to water surface directional transmissions by ultrasonic transducer;
43) ultrasound wave arrives water surface back reflection and returns ultrasonic transducer;
44) convert electric signal to and deliver to arithmetic control circuit by ultrasonic transducer through the ultrasonic echo signal processing circuit;
45) by arithmetic control circuit ultrasound wave is converted into the distance of ultrasonic transducer transmission face to the water surface from being issued to the transmission time difference of receiving;
46) come the filtering wave beam to disperse by arithmetic control circuit through the Intelligent treatment of software and cause the noise data that borehole wall interference echo produces, and reject the data that irrational second trip echo produces, draw real inspection shaft water level numerical value;
47) rise to the ultrasonic measurement blind area when water level, arithmetic control circuit receives the force value output of digital pressure transducer, is converted into force value the height of water level;
Described main control unit comprises main processing block, clock/counting module, watchdog module, GPRS communication module, data storage module, first power control circuit, second source control circuit, wireless communication interface; Described main processing block is with the mode control water level measuring unit of on/off power supply and the ON/OFF of GPRS communication module, and described main control unit workflow is following:
51) main processing block is closed the level measuring unit according to water level sampling period time opening level measuring unit after receiving the correct waterlevel data of level measuring unit;
52) main processing block is closed the GPRS communication module according to data transmitting period time opening GPRS communication module after the data communication of the completion and the drainage pipeline networks information processing platform;
53) guaranteeing on the waterlevel data basis of system log (SYSLOG) rational density that main control unit can be revised water level sampling period and data transmitting period automatically according to the water level value of inspection shaft and the rate of change of water level, and " meeting the change then to report " mode of employing is moved.
2. a kind of urban drainage pipe network water level information monitoring system according to claim 1 is characterized in that, it is the integrated framework of core that the described drainage pipeline networks information processing platform adopts with the data server.
3. a kind of urban drainage pipe network water level information monitoring system according to claim 2; It is characterized in that; The described drainage pipeline networks information processing platform is according to the spatial relationship of waterlevel data He each draining inspection shaft of each draining inspection shaft; The pipeline section water-head information that to derive from and the water level gradient of pipeline, and, restore the real operation conditions of drainage pipeline networks from the water level slope change of pipeline.
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