CN112235391A - Underground drainage monitoring system based on frequency spectrum sensing technology - Google Patents
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- 238000001228 spectrum Methods 0.000 title claims abstract description 27
- 238000005516 engineering process Methods 0.000 title claims abstract description 25
- 230000004927 fusion Effects 0.000 claims abstract description 36
- 230000007613 environmental effect Effects 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000012549 training Methods 0.000 claims description 15
- 238000005286 illumination Methods 0.000 claims description 10
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- 238000007726 management method Methods 0.000 description 1
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Abstract
The invention discloses an underground drainage monitoring system based on a frequency spectrum sensing technology, which is arranged in an underground drainage system and comprises: the system comprises a sensor component, a controller, a decision soft fusion module and an execution device; the sensor assemblies are arranged at the intersections of the underground drainage pipe network respectively; the decision soft fusion module is respectively electrically connected with the plurality of sensor assemblies, fuses monitoring information to make a decision and feeds the decision back to the controller; the controller is electrically connected with the execution device and controls the starting and stopping of the execution device according to the received fused monitoring information. The invention monitors the environmental information in the underground drainage pipe network through the sensor assembly; judging the waterlogging condition of the underground drainage pipe network according to the environmental information and the prediction information by using a decision soft fusion module, and making a final decision; and sending a command to the execution device through the controller, and adjusting the flow of each branch of the underground drainage pipe network.
Description
Technical Field
The invention relates to the technical field of monitoring, in particular to an underground drainage monitoring system based on a frequency spectrum sensing technology.
Background
The importance of the municipal drainage problem is self-evident. A history of urban development is necessarily accompanied by a history of urban underground drainage system development. However, in the process of urbanization development in China, the planning and construction of urban drainage systems cannot keep up with the rapid expansion of urban scales. Once a flood season comes, a large range of heavy rainfall weather causes hundreds of cities to waterlog every year. Waterlogging becomes a new urban disease and cannot be cured after years of treatment. But the problem of managing urban inland inundation is not solved in a short time.
Based on the problems, the road administration department can only drain water manually to reduce the urban waterlogging problem, but the manual drainage can only be done with half the effort when the underground drainage system is improperly monitored.
Therefore, how to provide an underground drainage monitoring system based on a spectrum sensing technology is a problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides an underground drainage monitoring system based on a spectrum sensing technology, which monitors environmental information in an underground drainage pipe network through a sensor assembly; judging the waterlogging condition of the underground drainage pipe network according to the environmental information and the prediction information by using a decision soft fusion module, and making a final decision; sending a command to an execution device through a controller, and adjusting the flow of each branch of the underground drainage pipe network; with the problem of solving urban waterlogging, through the flow of every branch road of control underground drainage pipe network automatic adjustment, can make the urban construction department in time make corresponding flood drainage measure according to the monitoring data, avoid or reduce urban waterlogging's emergence.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an underground drainage monitoring system based on frequency spectrum perception technique installs in underground drainage system, includes: the system comprises a sensor component, a controller, a decision soft fusion module and an execution device;
the sensor assemblies are arranged at the intersections of the underground drainage pipe network respectively; the decision soft fusion module is respectively electrically connected with the plurality of sensor assemblies, fuses monitoring information to make a decision and feeds the decision back to the controller; the controller is electrically connected with the execution device and controls the starting and stopping of the execution device according to the received fused monitoring information.
Preferably, in the underground drainage monitoring system based on the spectrum sensing technology, the sensor assembly comprises any one of a water level transmitter, a flow transmitter, a temperature sensor, a humidity sensor, a gas sensor, a light sensor and an infrared sensor or any combination thereof.
Preferably, in the above system for monitoring underground drainage based on spectrum sensing technology, the sensor assembly is configured to acquire corresponding environmental data, and send the acquired environmental data to the decision soft fusion module for processing; the water level transmitter is used for acquiring water depth parameters in an underground drainage pipe network; the flow transmitter is used for acquiring water flow parameters in the underground drainage pipe network; the temperature sensor is used for acquiring air temperature parameters in the underground drainage pipe network; the humidity sensor is used for acquiring air humidity parameters in the underground drainage pipe network; the gas sensor is used for collecting concentration parameters of combustible gas in the underground drainage pipe network, and the illumination sensor is used for collecting visible light illumination parameters at an inspection well in the underground drainage pipe network; the infrared sensor is used for collecting infrared illumination parameters at an inspection well in the underground drainage pipe.
Preferably, in the underground drainage monitoring system based on the spectrum sensing technology, the decision soft fusion module includes: the system comprises a monitoring unit, a training unit and a fusion judging unit; the monitoring unit makes a first decision according to data collected by the sensor assembly; the first decision is transmitted to the training unit; the training unit trains according to the first decision to obtain a second decision; and the second decision and the first decision are jointly input into the fusion decision unit to make a final decision.
Preferably, in the underground drainage monitoring system based on the spectrum sensing technology, the training unit performs spectrum analysis on the first decision sent by each sensor assembly, and filters noise.
Preferably, in the underground drainage monitoring system based on the spectrum sensing technology, the execution device is one or more of a centrifugal pump, a gear pump and a vacuum pump.
Preferably, in the underground drainage monitoring system based on the spectrum sensing technology, the controller controls the start and stop of the execution device according to the received final decision of the decision soft fusion module; the execution device changes the flow direction of water flow in the underground drainage pipe network.
Preferably, in the underground drainage monitoring system based on the spectrum sensing technology, an anchor sensor is further included; the anchor sensor is mounted at the sensor assembly, and the position of the sensor assembly is determined from the anchor sensor.
Preferably, in the underground drainage monitoring system based on the spectrum sensing technology, the sensor component and the decision soft fusion module are in wireless communication; and 3G/4G, Bluetooth or WiFi is utilized for information interaction.
Preferably, in the above system for monitoring underground drainage based on spectrum sensing technology, the system further comprises an alarm device, wherein the alarm device is electrically connected to the controller; and the controller judges whether the water quantity in the underground drainage pipe network exceeds a threshold value according to the final decision, and if so, an alarm device is started.
According to the technical scheme, compared with the prior art, the invention discloses an underground drainage monitoring system based on a frequency spectrum sensing technology, and the invention monitors environmental information in an underground drainage pipe network through a sensor assembly; judging the waterlogging condition of the underground drainage pipe network according to the environmental information and the prediction information by using a decision soft fusion module, and making a final decision; sending a command to an execution device through a controller, and adjusting the flow of each branch of the underground drainage pipe network; with the problem of solving urban waterlogging, through the flow of every branch road of control underground drainage pipe network automatic adjustment, can make the urban construction department in time make corresponding flood drainage measure according to the monitoring data, avoid or reduce urban waterlogging's emergence.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses an underground drainage monitoring system based on a frequency spectrum sensing technology, as shown in figure 1, the system is arranged in the underground drainage system and comprises: the system comprises a sensor component, a controller, a decision soft fusion module and an execution device;
the sensor assemblies are arranged at the intersections of the underground drainage pipe network respectively; the decision soft fusion module is respectively electrically connected with the plurality of sensor components, fuses the monitoring information to make a decision and feeds the decision back to the controller; the controller is electrically connected with the execution device and controls the start and stop of the execution device according to the received fused monitoring information.
Furthermore, the execution device divides the flow of each branch, and the monitoring information is fused for the purpose of relieving the flood discharge of the pipeline with small water flow rate and the pipeline with large water flow rate; a plurality of sensor assemblies fuse the monitoring information of individual self-collection to determine an optimal decision to ensure that the flood discharge capacity is maximum, thereby avoiding or reducing urban waterlogging.
The controller comprises an FPGA chip, a storage unit and an ESD unit; the FPGA chip is respectively connected with the storage unit and the ESD unit. The FPGA chip is connected with the decision soft fusion module through the sensor interface unit, and the controller controls each execution device. The FPGA chip receives an instruction of the decision soft fusion module through a hardware programming mode, on one hand, the starting and stopping of the execution device are controlled according to a final decision, on the other hand, a processing program which is prefabricated in the chip and aims at each environmental data can be utilized, a threshold value is set for the environmental data collected by each transmitter/sensor, monitoring information of information such as early warning/alarm information generated when the water flow exceeds the threshold value after the execution device adjusts the water flow, and the processing program can be, but is not limited to, a processing program which adopts an information fusion algorithm and combines an auxiliary database and/or a historical database to detect and synthesize the collected environmental data to generate more accurate and useful monitoring information.
More specifically, the information fusion algorithm may be, but is not limited to, a neural network algorithm, and by using the extremely strong fault tolerance and self-learning, self-organizing, and self-adapting capabilities of the neural network algorithm, the environment data acquired immediately and the historical data acquired at a discrete time are subjected to nonlinear processing, so that not only more accurate immediate monitoring data can be obtained, but also more accurate expected monitoring data at a certain time period in the future can be obtained.
Specifically, the storage unit includes a Synchronous Dynamic Random Access Memory (SDRAM) Memory and a FLASH Memory. The SDRAM memory is a volatile storage medium and is used for storing loaded running programs and temporary data when the main control module works, and the data are completely lost after power failure and serve as a memory of the FPGA chip; the FLASH memory is a nonvolatile storage medium, stores all executable program files, configuration files, auxiliary data, historical data and other data, is not lost after power failure, and serves as a hard disk of the FPGA. The ESD unit is an electrostatic protection unit and is used for performing electrostatic protection on the main control module, particularly performing electrostatic protection on the FPGA chip in the switching process between dormancy and awakening, and ensuring the normal work of the monitoring device.
In order to further optimize the technical scheme, the sensor assembly comprises any one or any combination of a water level transmitter, a flow transmitter, a temperature sensor, a humidity sensor, a gas sensor, an illumination sensor and an infrared sensor.
In order to further optimize the technical scheme, the sensor assembly is used for acquiring corresponding environment data and sending the acquired environment data to the decision soft fusion module for processing; the water level transmitter is used for acquiring water depth parameters in the underground drainage pipe network; the flow transmitter is used for acquiring water flow parameters in the underground drainage pipe network; the temperature sensor is used for acquiring air temperature parameters in the underground drainage pipe network; the humidity sensor is used for acquiring air humidity parameters in the underground drainage pipe network; the gas sensor is used for collecting concentration parameters of combustible gas in the underground drainage pipe network, and the illumination sensor is used for collecting visible light illumination parameters at an inspection well in the underground drainage pipe network; the infrared sensor is used for acquiring infrared illumination parameters at the inspection well in the underground drainage pipe.
Furthermore, the decision soft fusion module can be connected with an upper computer; the upper computer provides the current weather condition for the decision-making soft fusion module, predicts the flow in the underground drainage pipe network according to the current weather condition, and if the flow is larger than a preset threshold value, the urban management department timely makes flood control preparation.
In another embodiment, a temperature and humidity sensor monitors the temperature and humidity of the external environment, and flow in the underground drainage pipe network is predicted according to the temperature and humidity.
In order to further optimize the above technical solution, the decision soft fusion module includes: the system comprises a monitoring unit, a training unit and a fusion judging unit; the monitoring unit makes a first decision according to data collected by the sensor assembly; the first decision is transmitted to a training unit; the training unit carries out training according to the first decision to obtain a second decision; the second decision and the first decision are jointly input into the fusion decision unit to make a final decision.
Further, taking sensor components as a water level transmitter and a flow transmitter as examples; the monitoring unit judges the amount of rainwater which can be drained according to the water level information, the flow information and the caliber of an underground drainage pipe network at the installation position, the amount which can be drained is sent to the training unit as first decision-making information, the training unit predicts according to the amount which can be drained by combining the current weather condition or historical data to obtain second decision-making information, and the first decision-making information and the second decision-making information are subjected to information fusion to obtain a final decision; wherein the second decision further comprises a control instruction for starting the execution device to shunt.
In order to further optimize the above technical solution, the training unit performs a spectral analysis on the first decision sent by each sensor component, filtering the noise.
In order to further optimize the technical scheme, the executing device is one or more of a centrifugal pump, a gear pump and a vacuum pump.
In order to further optimize the technical scheme, the controller controls the starting and stopping of the execution device according to the received final decision of the decision soft fusion module; the execution device changes the flow direction of water flow in the underground drainage pipe network.
In order to further optimize the technical scheme, the device also comprises an anchor sensor; an anchor sensor is mounted at the sensor assembly, and a position of the sensor assembly is determined from the anchor sensor.
In order to further optimize the technical scheme, the sensor assembly is in wireless communication with the decision soft fusion module; and 3G/4G, Bluetooth or WiFi is utilized for information interaction.
In order to further optimize the technical scheme, the intelligent control system further comprises an alarm device, wherein the alarm device is electrically connected with the controller; and the controller judges whether the water quantity in the underground drainage pipe network exceeds a threshold value according to the final decision, and if so, the alarm device is started.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an underground drainage monitoring system based on frequency spectrum perception technique installs in underground drainage system, its characterized in that includes: the system comprises a sensor component, a controller, a decision soft fusion module and an execution device;
the sensor assemblies are arranged at the intersections of the underground drainage pipe network respectively; the decision soft fusion module is respectively electrically connected with the plurality of sensor assemblies, fuses monitoring information to make a decision and feeds the decision back to the controller; the controller is electrically connected with the execution device and controls the starting and stopping of the execution device according to the received fused monitoring information.
2. A system for monitoring underground drainage based on spectrum sensing technology as claimed in claim 1, wherein the sensor assembly comprises any one or any combination of a water level transmitter, a flow transmitter, a temperature sensor, a humidity sensor, a gas sensor, a light sensor and an infrared sensor.
3. An underground drainage monitoring system based on spectrum sensing technology according to claim 2, wherein the sensor assembly is used for collecting corresponding environmental data and sending the collected environmental data to the decision soft fusion module for processing; the water level transmitter is used for acquiring water depth parameters in an underground drainage pipe network; the flow transmitter is used for acquiring water flow parameters in the underground drainage pipe network; the temperature sensor is used for acquiring air temperature parameters in the underground drainage pipe network; the humidity sensor is used for acquiring air humidity parameters in the underground drainage pipe network; the gas sensor is used for collecting concentration parameters of combustible gas in the underground drainage pipe network, and the illumination sensor is used for collecting visible light illumination parameters at an inspection well in the underground drainage pipe network; the infrared sensor is used for collecting infrared illumination parameters at an inspection well in the underground drainage pipe.
4. A system for monitoring underground drainage based on spectrum sensing technology according to claim 1, wherein the decision soft fusion module comprises: the system comprises a monitoring unit, a training unit and a fusion judging unit; the monitoring unit makes a first decision according to data collected by the sensor assembly; the first decision is transmitted to the training unit; the training unit trains according to the first decision to obtain a second decision; and the second decision and the first decision are jointly input into the fusion decision unit to make a final decision.
5. A system as claimed in claim 4, wherein the training unit is configured to perform spectral analysis on the first decision sent by each sensor assembly to filter noise.
6. A system for monitoring underground drainage based on spectrum sensing technology as claimed in claim 1, wherein the execution device is one or more of centrifugal pump, gear pump, vacuum pump.
7. An underground drainage monitoring system based on a spectrum sensing technology according to claim 1, wherein the controller controls the start and stop of the executing device according to the received final decision of the decision soft fusion module; the execution device changes the flow direction of water flow in the underground drainage pipe network.
8. A system for monitoring drainage of underground water based on spectrum sensing technology according to claim 1, further comprising an anchor sensor; the anchor sensor is mounted at the sensor assembly, and the position of the sensor assembly is determined from the anchor sensor.
9. A system for monitoring underground drainage based on spectrum sensing technology according to claim 1, wherein the sensor assembly is in wireless communication with the decision soft fusion module; and 3G/4G, Bluetooth or WiFi is utilized for information interaction.
10. An underground drainage monitoring system based on spectrum sensing technology according to claim 4, characterized by further comprising an alarm device, wherein the alarm device is electrically connected with the controller; and the controller judges whether the water quantity in the underground drainage pipe network exceeds a threshold value according to the final decision, and if so, an alarm device is started.
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Application publication date: 20210115 |