Urban road surface accumulated water monitoring system

Abstract

The utility model relates to the technical field of monitoring, in particular to an urban road surface ponding monitoring system, which comprises a plurality of water level detectors, a monitoring host, a photovoltaic array assembly and a mounting bracket, and is characterized in that the photovoltaic array assembly and the monitoring host are fixedly mounted on the front surface of the mounting bracket; the photovoltaic array assembly is electrically connected with the monitoring host, and the monitoring host is in wireless communication connection with the plurality of water level detectors; the water level detector comprises an area sensor, a digital signal converter, a microprocessor, a LoRa wireless communication module and a lithium battery pack, the area sensor is electrically connected with the digital signal conversion module, the digital signal converter is electrically connected with the microprocessor, and the microprocessor is electrically connected with the LoRa wireless communication module and the lithium battery pack. The water level detector is fixedly installed on a roadside lamp pole, the water level detector can conduct downward monitoring, and the problems of shielding and floating foreign matter interference in actual application of traditional buried accumulated water monitoring equipment can be effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to monitoring technical field, concretely is a kind of urban road surface water monitoring system. BACKGROUND

[0002] In recent years, affected by climate change, extreme weather such as heavy rain has a huge impact on social management, urban operation and people's life and transportation, and combined with the lagging infrastructure construction of drainage and waterlogging prevention in some cities, insufficient emergency management, which easily causes serious heavy rain waterlogging disasters in cities.

[0003] The prior art is to install a detector in a buried manner on a city road to monitor the water accumulation on the city road surface, for example, a kind of remote water level meter is disclosed in Chinese patent application No. 202221386131.4, which is pre-buried on the city road, and the water accumulation height on the road is monitored by transmitting and receiving ultrasonic wave reflection signals in water through an ultrasonic sensor. However, when the remote water level meter is in use, its upper end is easily blocked by external objects or affected by floating foreign matter in water when water accumulates, causing inaccurate actual detection signal results of the ultrasonic sensor, and unable to achieve normal water accumulation height monitoring. SUMMARY

[0004] To solve the above problems, the utility model provides a kind of urban road surface water monitoring system, including several water level detectors, monitoring host, photovoltaic array component and installation support, the installation support back is provided with several for fixed hoop;The photovoltaic array component and monitoring host are fixedly installed on the front of the installation support;The photovoltaic array component and monitoring host are electrically connected, and the monitoring host is wirelessly connected with several water level detectors;The water level detector includes area sensor, digital signal converter, microprocessor, LoRa wireless communication module and lithium battery pack, and the area sensor is electrically connected with the digital signal conversion module, and the digital signal converter is electrically connected with the microprocessor, and the microprocessor is electrically connected with LoRa wireless communication module and lithium battery pack respectively.

[0005] The monitoring host includes a central processing unit, a photovoltaic inverter, a drive circuit, an isolation module, a LoRa wireless communication module and a network communication module, the input end of the photovoltaic inverter is electrically connected with the photovoltaic array component, the photovoltaic inverter is connected with the drive circuit through the isolation module, and the central processing unit is electrically connected with the drive circuit, the LoRa wireless communication module and the network communication module respectively.

[0006] In a specific implementation mode, the installation support is fixedly installed on the lamp pole by the hoop.

[0007] Meanwhile, the photovoltaic array assembly is fixedly installed on the top of the installation support; the monitoring host is fixedly installed on the middle part of the installation support; and a water level detector is further installed on the lower end of the installation support, and the water level detector is arranged towards the ground.

[0008] In order to realize the water level monitoring of multiple positions on the road surface, the plurality of water level detectors are further independently installed on a plurality of lamp poles.

[0009] The single monitoring host is wirelessly connected with at least two water level detectors, so as to realize a one-to-many topology connection mode.

[0010] In a specific implementation mode, the area sensor is a matrix optical fiber area sensor.

[0011] The monitoring host can be interconnected with a remote server through a network communication module, and can report the water level monitoring.

[0012] Beneficial effects: the utility model discloses a kind of urban road surface water monitoring systems, by fixed installation on curb lamp pole, water level detector can monitor downwards, can effectively solve the shielding and floating foreign matter interference problem encountered in practical application of traditional buried water level monitoring equipment;Real-time monitoring of area sensor is barrier-free to road surface water, can more accurately monitor road surface water condition.Meanwhile, equipped with photovoltaic array assembly to realize the self-power supply of photovoltaic power generation, without external power supply to reduce dependence on urban power grid, effectively realize the quick installation of arbitrary water level road surface site, without additionally drilling and laying on ground, guarantee the flatness of ground, provide the road comfort of citizen traffic. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural diagram of urban road surface water monitoring system;

[0014] Figure 2 It is a monitoring schematic diagram of urban road surface water monitoring system;

[0015] Figure 3 It is a circuit structure diagram of water level detector;

[0016] 1, photovoltaic array assembly;2, monitoring host;3, water level detector;4, installation support;5, clamp. DETAILED DESCRIPTION

[0017] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings.

[0018] Reference Figure 1The embodiment provides a city road surface water monitoring system, which comprises a plurality of water level detectors 3, a monitoring host 2 and a photovoltaic array assembly 1, the photovoltaic array assembly 1 is electrically connected with the monitoring host 2, and the monitoring host 2 is wirelessly connected with the plurality of water level detectors 3. The monitoring host 2 comprises a central processor, a photovoltaic inverter, a driving circuit, an isolation module, a LoRa wireless communication module and a network communication module, the input end of the photovoltaic inverter is electrically connected with the photovoltaic array assembly 1, can generate power through photovoltaic power generation under illumination, and converts direct current into alternating current through the photovoltaic inverter to supply power to the monitoring host 2, the photovoltaic inverter is connected with the driving circuit through the isolation module, the central processor is electrically connected with the driving circuit, the LoRa wireless communication module and the network communication module respectively, the driving circuit provides driving power for the central processor, the LoRa wireless communication module can receive detection signals of the water level detectors 3 and transmit the detection signals to the central processor for signal data storage.

[0019] Meanwhile, in order to realize the detection of the water level detector 3 on the accumulated water, the water level detector 3 comprises a region sensor, a digital signal converter, a microprocessor, a LoRa wireless communication module and a lithium battery pack, the region sensor is electrically connected with the digital signal conversion module, the digital signal converter is electrically connected with the microprocessor, the region sensor can emit light signals and receive diffuse reflection signals of objects, the digital signal converter can digitize the received signals of the region sensor and transmit the signals to the microprocessor, the microprocessor is electrically connected with the LoRa wireless communication module and the lithium battery pack respectively, the lithium battery pack provides driving power for the whole water level detector 3, and the water level detector 3 is communicatively connected with the monitoring host 2 through the LoRa wireless communication.

[0020] As shown in Figure 2 In order to ensure that the city road surface water monitoring system is not blocked by external objects during the monitoring process and effectively realize the detection of the depth of the road surface water during heavy rain, the system further comprises a mounting bracket 4, the mounting bracket 4 is a vertical rectangular structure, the back surface of the mounting bracket 4 is provided with a plurality of hoops 5 for fixing, the mounting bracket 4 is fixedly installed on a road lamp pole or other vertical pole through the hoops 5, and the hoops 5 are fastened by using screws. The photovoltaic array assembly 1 is fixedly installed at the top of the mounting bracket 4, so that sunlight can directly irradiate the photovoltaic array assembly 1 to make it generate power, the monitoring host 2 is fixedly installed at the middle of the mounting bracket 4, and one water level detector 3 is further installed at the lower end of the monitoring host 2 and is arranged towards the ground. In order to realize the monitoring of the accumulated water at multiple positions of the road surface, a plurality of water level detectors 3 are independently installed on a plurality of lamp poles respectively, the monitoring host 2 adopts a one-to-many topology connection mode, at least wirelessly communicates with two water level detectors 3, and realizes the real-time monitoring of a plurality of positions prone to accumulated water on the road surface.

[0021] When the water level detector 3 is fixedly installed, the water level detector 3 emits a signal to the road surface for water accumulation detection. The area sensor adopts a matrix optical fiber area sensor, and in order to ensure long-time self-power supply, the lithium battery group adopts a lithium battery group with a DC 3.6V / 52000mAH. After the system is fixedly installed, the water level detector 3 is first operated to measure the initial height of the road surface without water accumulation; when a rainstorm occurs in the city, if water accumulation occurs on the road surface below the water level detector 3, because the propagation medium parameters of liquid and solid are different, the water accumulation surface can reflect the light signal emitted by the area sensor, the area sensor receives the reflected light signal and transmits it to the microprocessor, the microprocessor can record the time period between the emission and reception of the detection signal of the area sensor, the microprocessor identifies whether water accumulation occurs on the road surface according to the signal strength of the detection signal received by the area sensor, i.e. the digital signal converted from the current signal, and determines the propagation distance of the detection signal of the area sensor according to the time period, so as to determine the final water accumulation depth according to the initial height detection. The water level detector 3 transmits the detection signal to the monitoring host 2 through the LoRa wireless communication module for storage.

[0022] Meanwhile, the monitoring host 2 can be interconnected with a remote server through a network communication module, the monitoring host 2 can upload the detection data of the water level detector 3 to the remote server to realize remote monitoring, and when water accumulation on the road surface is monitored, maintenance personnel are notified to handle the scene.

Claims

1. A system for monitoring water accumulation on urban roads, characterized in that, It includes several water level detectors, a monitoring host, a photovoltaic array component, and a mounting bracket. The mounting bracket has several clamps on its back for fixing. The photovoltaic array component and the monitoring host are fixedly mounted on the front of the mounting bracket. The photovoltaic array component is electrically connected to the monitoring host, and the monitoring host is wirelessly connected to several water level detectors. The water level detector includes a regional sensor, a digital signal converter, a microprocessor, a LoRa wireless communication module, and a lithium battery pack. The regional sensor is electrically connected to the digital signal converter, the digital signal converter is electrically connected to the microprocessor, and the microprocessor is electrically connected to both the LoRa wireless communication module and the lithium battery pack.

2. The urban road surface water monitoring system according to claim 1, characterized in that, The monitoring host includes a central processing unit, a photovoltaic inverter, a drive circuit, an isolation module, a LoRa wireless communication module, and a network communication module. The input terminal of the photovoltaic inverter is electrically connected to the photovoltaic array components. The photovoltaic inverter is connected to the drive circuit through the isolation module. The central processing unit is electrically connected to the drive circuit, the LoRa wireless communication module, and the network communication module.

3. The urban road surface water monitoring system according to claim 1, characterized in that, The mounting bracket is fixedly installed on the light pole using clamps.

4. The urban road surface water monitoring system according to claim 3, characterized in that, The photovoltaic array module is fixedly installed on the top of the mounting bracket; the monitoring host is fixedly installed in the middle of the mounting bracket; a water level detector is also installed at the lower end of the mounting bracket, and the water level detector is set facing the ground.

5. The urban road surface water monitoring system according to claim 3, characterized in that, The aforementioned water level detectors are also independently installed on several light poles.

6. The urban road surface water monitoring system according to claim 1, characterized in that, The single monitoring host is wirelessly connected to at least two water level detectors.

7. The urban road surface water monitoring system according to claim 1, characterized in that, The area sensor is a matrix fiber optic area sensor.

8. The urban road surface water monitoring system according to claim 2, characterized in that, The monitoring host can be interconnected with a remote server via a network communication module.

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