Municipal road intelligent monitoring system

Abstract

The utility model relates to the technical field of road monitoring, in particular to a municipal road intelligent monitoring system which comprises a main control module, a positioning module, a water level measuring module, a rainfall measuring module and an NB-IoT wireless module, and the positioning module, the water level measuring module, the rainfall measuring module and the NB-IoT wireless module are all electrically connected with the main control module. The positioning module is used for acquiring position information of the acquisition nodes, the water level measurement module is used for acquiring water level data of the acquisition nodes, the rainfall measurement module is used for acquiring rainfall data of the acquisition nodes, and the master control module transmits the position information of the acquisition nodes, the water level data and the rainfall data to the monitoring platform through the NB-IoT wireless module. According to the utility model, a more intelligent and efficient ponding monitoring solution is provided for cities, and great significance is provided for preventing and coping with urban inland inundation.

Description

Technical Field

[0001] This utility model relates to the field of road monitoring technology, and in particular to an intelligent monitoring system for municipal roads. Background Technology

[0002] In the process of managing municipal roads, the probability of urban flooding is also increasing due to the continuous increase in urban infrastructure such as culverts. The low level of intelligence and low efficiency of existing municipal road monitoring devices may cause significant losses of property and life.

[0003] The current municipal road surveillance system has the following shortcomings:

[0004] 1) Waterlogging monitoring methods are limited to measuring waterlogging in specific areas and have not yet formed a comprehensive and systematic waterlogging monitoring network. This results in an inability to accurately and promptly grasp the waterlogging situation in a wider area;

[0005] 2) Relying primarily on measuring liquid level to determine water accumulation is insufficient. While this method can reflect the water level at a specific location, it cannot provide a comprehensive understanding of the overall distribution and trends of water accumulation across the entire area. Liquid level measurements are often taken at a specific point in time, failing to capture the dynamic process of water accumulation changes in real time. Furthermore, water accumulation is affected by the intensity of rainfall, resulting in significant data delays.

[0006] 3) Unstable or delayed network transmission may severely impact real-time monitoring and rapid response to flooding conditions. Updates to monitoring information may lag behind changes in actual flooding conditions, thus affecting the timeliness of early warnings and decision-making. Utility Model Content

[0007] This utility model provides an intelligent monitoring system for municipal roads, offering cities a more intelligent and efficient solution for monitoring water accumulation, which is of great significance for preventing and responding to urban flooding.

[0008] To achieve the purpose of this utility model, the technical solution adopted is: an intelligent monitoring system for municipal roads, including a main control module, a positioning module, a water level measurement module, a rainfall measurement module, and an NB-IoT wireless module. The positioning module, water level measurement module, rainfall measurement module, and NB-IoT wireless module are all electrically connected to the main control module. The positioning module is used to acquire node location information, the water level measurement module is used to acquire water level data of the acquisition nodes, and the rainfall measurement module is used to acquire rainfall data of the acquisition nodes. The main control module transmits the acquisition node location information, water level data, and rainfall data to the monitoring platform through the NB-IoT wireless module.

[0009] As an optimized solution of this utility model, the main control module includes a main control chip U1, which is an STM32F103C8T6.

[0010] As an optimized solution of this utility model, the positioning module includes a positioning chip U2, a resistor R1, a light-emitting diode PPS, a resistor R3, a resistor R4, a resistor R2, and a diode D1. The third pin of the positioning chip U2 is connected to the power supply through the series resistor R1 and the light-emitting diode PPS. The 22nd pin of the positioning chip U2 is connected to the power supply through the series resistor R2 and the diode D1. The 21st pin of the positioning chip U2 is connected to the 25th pin of the main control chip U1 through the resistor R3. The 20th pin of the positioning chip U2 is connected to the 26th pin of the main control chip U1 through the resistor R3.

[0011] As an optimized solution of this utility model, the water level measurement module includes an ultrasonic water level sensor U3. The TX pin of the ultrasonic water level sensor U3 is connected to the first pin of the main control chip U1, and the RX pin of the ultrasonic water level sensor U3 is connected to the first pin of the main control chip U1.

[0012] As an optimized solution of this utility model, the water level measurement module also includes a capacitive water level sensor, wherein the capacitive water level sensor is an ADS1218.

[0013] As an optimized solution of this utility model, the rainfall measurement module includes a rainfall sensor and an RS485 interface circuit. The rainfall sensor communicates with the main control chip U1 through the RS485 interface circuit.

[0014] As an optimized solution of this utility model, the NB-IoT wireless module includes an NB-IoT chip U6, the 17th pin of the NB-IoT chip U6 is connected to the 37th pin of the main control chip U1, and the 17th pin of the NB-IoT chip U6 is connected to the 38th pin of the main control chip U1.

[0015] This utility model has the following positive effects: 1) This utility model constructs a comprehensive and systematic water accumulation monitoring network, which can monitor the water accumulation status in a wide area in real time;

[0016] 2) This utility model provides a multi-dimensional data acquisition method, which is not limited to a single liquid level measurement, but also includes location information, water level change trend and rainfall, etc.

[0017] 3) This utility model realizes real-time data transmission through NB-IoT technology, which improves the timeliness of early warning and decision-making, and helps urban management to make rapid responses.

[0018] 4) The data redundancy design of this utility model increases the reliability and stability of the system and reduces the possibility of false alarms. Attached Figure Description

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] Figure 1 This is a schematic diagram of the principle of this utility model;

[0021] Figure 2 This is the circuit schematic diagram of the main control module of this utility model;

[0022] Figure 3 This is the circuit diagram of the positioning module of this utility model;

[0023] Figure 4 This is the circuit diagram of the water level measurement module of this utility model;

[0024] Figure 5 This is the circuit diagram of the rainfall measurement module of this utility model;

[0025] Figure 6 This is the circuit schematic diagram of the NB-IoT wireless module of this utility model;

[0026] The module consists of: 1. Main control module, 2. Positioning module, 3. Water level measurement module, 4. Rainfall measurement module, and 5. NB-IoT wireless module. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this patent clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0028] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] It should be noted that the terminology used herein is for the purpose of describing particular implementations only and is not intended to limit the exemplary implementations according to this utility model.

[0030] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, and in all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other example values ​​of the exemplary embodiments may have different values.

[0031] like Figure 1 As shown, this utility model discloses an intelligent monitoring system for municipal roads, including a main control module 1, a positioning module 2, a water level measurement module 3, a rainfall measurement module 4, and an NB-IoT wireless module 5. The positioning module 2, water level measurement module 3, rainfall measurement module 4, and NB-IoT wireless module 5 are all electrically connected to the main control module 1. The positioning module 2 is used to acquire node location information, the water level measurement module 3 is used to acquire water level data from the acquisition nodes, and the rainfall measurement module 4 is used to acquire rainfall data from the acquisition nodes. The main control module 1 transmits the node location information, water level data, and rainfall data to the monitoring platform via the NB-IoT wireless module 5. The positioning module ensures accurate location of the waterlogging monitoring points. The water level measurement module acquires real-time water level data from the monitoring nodes, reflecting the waterlogging situation. The rainfall measurement module measures rainfall, providing important data for analyzing the causes and trends of waterlogging. The NB-IoT wireless module enables wireless data transmission, ensuring real-time and stable data transmission to the monitoring platform. By deploying multiple monitoring nodes, a comprehensive and systematic waterlogging monitoring network is formed, enabling accurate and timely monitoring of waterlogging conditions over a wider area. Water level measurement module 3 and rainfall measurement module 4 can collect data in real time, reflecting the dynamic process of waterlogging changes and improving the timeliness of early warnings and decision-making. NB-IoT wireless module 5 features strong connectivity and full coverage, enabling stable data transmission in complex urban environments and ensuring data real-time performance and accuracy. The monitoring platform can receive and process data from various monitoring nodes, performing intelligent analysis to provide valuable decision support for city managers.

[0032] like Figure 2 As shown, the main control module 1 includes a main control chip U1, which is an STM32F103C8T6. This processor has a Cortex-M3 core, 64KB of FLASH memory, 1MB of flash memory, two 12-bit, 1µs analog-to-digital converters that can be mapped to 16 analog-to-digital conversion channels, and three asynchronous serial communication channels.

[0033] like Figure 3As shown, positioning module 2 includes positioning chip U2, resistor R1, LED PPS, resistors R3, R4, and R2, and diode D1. Pin 3 of positioning chip U2 is connected to the power supply via resistor R1 and LED PPS in series. Pin 22 of positioning chip U2 is also connected to the power supply via resistor R2 and diode D1 in series. Pin 21 of positioning chip U2 is connected to pin 25 of main control chip U1 via resistor R3, and pin 20 of positioning chip U2 is connected to pin 26 of main control chip U1 via resistor R3. Positioning chip U2 is a SkyTra_S1216F8-BD module with a sensitivity of up to -165dBm and a maximum measurement output frequency of 20Hz. Positioning chip U2 transmits the collected latitude and longitude information to main control chip U1 for decoding to obtain latitude and longitude information. The latitude and longitude data is then converted into JSON format and transmitted to the municipal monitoring platform via NB-IoT.

[0034] like Figure 4 As shown, the water level measurement module 3 includes an ultrasonic water level sensor U3. The TX pin of the ultrasonic water level sensor U3 is connected to the first pin of the main control chip U1, and the RX pin of the ultrasonic water level sensor U3 is connected to the second pin of the main control chip U1. The ultrasonic water level sensor U3 uses a US-100 ultrasonic module to measure the water level. This module has a ranging range of 2 to 450 cm, a detection accuracy of (0.3 ± 1%) cm, a static power consumption of less than 2 mA, a built-in temperature sensor to correct the ranging results, and an internal watchdog timer, ensuring stable and reliable operation.

[0035] The water level measurement module 3 also includes a capacitive water level sensor, namely the ADS1218. The ADS1218 is a high-resolution analog-to-digital converter with a wide dynamic range, featuring 22-bit effective resolution and 24-bit lossless performance. It has one I2C-compatible serial interface and four input channels. The values ​​of capacitors C0 and C1 are acquired through channels AN0 and AN1, respectively, and the measured data is then transmitted to the main control chip U1 via the I2C protocol.

[0036] Ultrasonic water level sensors can withstand a wide range of water level variations. Capacitive water level sensors are highly sensitive to water level changes and are particularly suitable for scenarios requiring precise measurements or where water level fluctuations are small. Using sensors based on two different principles allows for data redundancy. If the data from one sensor is abnormal, it can be verified and corrected by comparing it with the data from the other sensor, thereby improving the overall reliability of the system.

[0037] like Figure 5As shown, the rainfall measurement module 4 includes a rainfall sensor and an RS485 interface circuit. The rainfall sensor communicates with the main control chip U1 via the RS485 interface circuit. The rainfall sensor used is model VMS-YL-N01-3002-02. The rain gauge housing is made of ABS material, which has a long lifespan and is durable, allowing for long-term application in harsh outdoor environments during rainy days. It meets national standards and effectively ensures the accuracy of rainfall detection. It supports multiple signal outputs, including RS485, 4G analog, and pulse signals, and has high resolution.

[0038] like Figure 6 As shown, the NB-IoT wireless module 5 includes an NB-IoT chip U6. Pin 17 of the NB-IoT chip U6 is connected to pin 37 of the main control chip U1, and pin 17 of the NB-IoT chip U6 is connected to pin 38 of the main control chip U1. The NB-IoT chip U6 is a BC26 chip, which has the advantages of high performance and low power consumption.

[0039] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An intelligent monitoring system for municipal roads, characterized in that: The system includes a main control module (1), a positioning module (2), a water level measurement module (3), a rainfall measurement module (4), and an NB-IoT wireless module (5). The positioning module (2), water level measurement module (3), rainfall measurement module (4), and NB-IoT wireless module (5) are all electrically connected to the main control module (1). The positioning module (2) is used to acquire node location information, the water level measurement module (3) is used to acquire water level data of the acquisition node, and the rainfall measurement module (4) is used to acquire rainfall data of the acquisition node. The main control module (1) transmits the acquisition node location information, water level data, and rainfall data to the monitoring platform through the NB-IoT wireless module (5).

2. The intelligent monitoring system for municipal roads according to claim 1, characterized in that: The main control module (1) includes a main control chip U1, which is an STM32F103C8T6.

3. The intelligent monitoring system for municipal roads according to claim 2, characterized in that: The positioning module (2) includes a positioning chip U2, a resistor R1, a light-emitting diode PPS, a resistor R3, a resistor R4, a resistor R2 and a diode D1. The third pin of the positioning chip U2 is connected to the power supply through the series resistor R1 and the light-emitting diode PPS. The 22nd pin of the positioning chip U2 is connected to the power supply through the series resistor R2 and the diode D1. The 21st pin of the positioning chip U2 is connected to the 25th pin of the main control chip U1 through the resistor R3. The 20th pin of the positioning chip U2 is connected to the 26th pin of the main control chip U1 through the resistor R3.

4. The intelligent monitoring system for municipal roads according to claim 2, characterized in that: The water level measurement module (3) includes an ultrasonic water level sensor U3. The TX pin of the ultrasonic water level sensor U3 is connected to the first pin of the main control chip U1, and the RX pin of the ultrasonic water level sensor U3 is connected to the first pin of the main control chip U1.

5. The intelligent monitoring system for municipal roads according to claim 4, characterized in that: The water level measurement module (3) also includes a capacitive water level sensor, which is an ADS1218.

6. The intelligent monitoring system for municipal roads according to claim 2, characterized in that: The rainfall measurement module (4) includes a rainfall sensor and an RS485 interface circuit. The rainfall sensor communicates with the main control chip U1 through the RS485 interface circuit.

7. The intelligent monitoring system for municipal roads according to claim 2, characterized in that: The NB-IoT wireless module (5) includes an NB-IoT chip U6, pin 17 of the NB-IoT chip U6 is connected to pin 37 of the main control chip U1, and pin 17 of the NB-IoT chip U6 is connected to pin 38 of the main control chip U1.

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