Surface water online monitoring terminal and monitoring system

Abstract

The utility model discloses a surface water on-line monitoring terminal and a monitoring system wherein the monitoring terminal comprises an equipment table, a plurality of supports are symmetrically arranged at the lower part of the equipment table, a mounting rack is arranged at the upper part of the equipment table, and a first monitoring unit for monitoring rainfall is arranged on the mounting rack; a second monitoring unit for monitoring the water level change of the surface water is arranged at the lower part of the equipment table and between the brackets; an equipment box is arranged below the mounting frame and on the equipment table, a signal processing unit and a communication unit are arranged in the equipment box, and the signal processing unit is electrically connected with the first monitoring unit, the second monitoring unit and the communication unit. By monitoring the water level and rainfall of surface water in the section in real time, data support can be provided for drought-resisting irrigation drainage and flood drainage plans, and agricultural planting is assisted.

Description

Technical Field

[0001] The utility model relates to the technical field of water resource monitoring, in particular to an on-line monitoring terminal and monitoring system for surface water. Background Art

[0002] Surface water refers to the general term for dynamic water and static water on the land surface, also known as land water, including various liquid and solid water bodies, mainly rivers, lakes, swamps, glaciers, ice sheets, etc. Surface water is one of the important sources of human domestic water and also the main component of water resources in various countries; most of the domestic surface water distributions form a water system network with main canals, branch canals, sub-branch canals, etc. Among them, in agricultural planting, sub-branch canals are used as the main irrigation water. Each local water conservancy management department arranges drainage plans according to seasons every year and releases water downstream to meet agricultural irrigation needs and reduce the water storage pressure and waterlogging drainage requirements upstream. However, in recent years, extreme weather has occurred frequently. Relying solely on manual statistics to formulate drainage plans far cannot meet the existing drainage needs. Especially, untimely irrigation of downstream farmland will lead to large-scale production reduction and cause irreparable economic losses. Content of the Utility Model

[0003] The purpose of the utility model is to provide an on-line monitoring terminal and monitoring system for surface water in order to solve the above problems.

[0004] The utility model realizes the above purpose through the following technical solutions:

[0005] An on-line monitoring terminal for surface water, including an equipment platform. A plurality of brackets are symmetrically arranged at the lower part of the equipment platform. An installation frame is arranged at the upper part of the equipment platform. A first monitoring unit for monitoring rainfall is arranged on the installation frame. A second monitoring unit for monitoring the change of surface water level is arranged between the brackets at the lower part of the equipment platform. An equipment box is arranged on the equipment platform below the installation frame. A signal processing unit and a communication unit are arranged in the equipment box. The signal processing unit is electrically connected to the first monitoring unit, the second monitoring unit and the communication unit respectively.

[0006] Preferably, a solar panel is arranged on the installation frame. A storage battery is integrated in the equipment box. The solar panel is electrically connected to the storage battery through a power converter. The storage battery is electrically connected to the signal processing unit.

[0007] Preferably, the bracket includes two vertical rods and a triangular base. The two vertical rods and the triangular base form a bracket with a hollow middle area as a whole.

[0008] Preferably, a floating plate is movably sleeved on several of the brackets, and through holes corresponding to the second monitoring unit are formed in the floating plate for the second monitoring unit to monitor the change of the surface water level through the through holes.

[0009] Preferably, a limiting rod passing through the floating plate is arranged in the bracket for the floating plate to move smoothly along the limiting rod under the buoyancy support of the surface water.

[0010] Preferably, a third monitoring unit for monitoring the position change of the floating plate is arranged above the floating plate and below the equipment table. The third monitoring unit is electrically connected to the signal processing unit for analyzing the water level change by combining the water level change data obtained by the second monitoring unit.

[0011] Preferably, the first monitoring unit includes a rain sensor electrically connected to the signal processing unit; the second monitoring unit includes an ultrasonic water level sensor electrically connected to the signal processing unit.

[0012] Preferably, the third monitoring unit includes an infrared ranging sensor electrically connected to the signal processing unit.

[0013] Preferably, a sampling box is arranged in the equipment box. A sampling pump, a drain port and a COD sensor are arranged in the sampling box. The water inlet of the sampling pump is inserted into the surface water through a sampling pipe. The drain port is connected to a drain pipe for discharging the sampled water in the sampling box. A control valve is arranged on the drain pipe; the sampling pump, the COD sensor and the control valve are all electrically connected to the signal processing unit.

[0014] A surface water monitoring system includes several surface water on-line monitoring terminals distributed in each section. The communication unit in the surface water on-line monitoring terminal is in communication connection with a monitoring host.

[0015] The beneficial effects of the present utility model are as follows:

[0016] 1. The present utility model monitors the water level and rainfall of surface water in real time in the section. The evaporation amount can be calculated through the water level change or rainfall, and the drought degree of farmland can be analyzed according to the evaporation amount, so as to provide data support for drought resistance irrigation drainage and waterlogging drainage plans and assist scientific agricultural planting;

[0017] 2. In the present utility model, a second monitoring unit and a third monitoring unit are respectively arranged below the equipment table. The water level change data obtained by the second monitoring unit is combined with the floating distance change data of the floating plate obtained by the third monitoring unit to comprehensively judge whether the water level change data is accurate and avoid data acquisition errors;

[0018] 3. The utility model is provided with a sampling box in the equipment box, and the sampling box is used to sample surface water regularly and directly detect the COD value of the water sample, so as to monitor the pollution degree of surface water in real time. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0021] Figure 2 It is a system topology diagram of the present utility model.

[0022] The description of the reference numerals in the drawings is as follows:

[0023] 1 is a bracket, 2 is a floating plate, 3 is an equipment platform, 4 is a solar panel, 5 is an equipment box, 6 is a sampling box, 7 is a rain sensor, 8 is an ultrasonic water level sensor, and 9 is an infrared distance sensor. Detailed Embodiment

[0024] The following combines the attached Figure 1-2 , and further explains the technical solutions of the present utility model:

[0025] Embodiment 1

[0026] As Figure 1 shown, a surface water on-line monitoring terminal includes an equipment platform 3. A plurality of brackets 1 are symmetrically arranged at the lower part of the equipment platform 3. An installation frame is arranged on the upper part of the equipment platform 3, and a first monitoring unit for monitoring rainfall is arranged on the installation frame. That is to say, a horizontal installation plate and an inclined installation plate are added to the equipment platform, and the first monitoring unit is installed on the horizontal installation plate. The first monitoring unit can be used to monitor the rainfall in this area, and the drought degree of the farmland in this area can be analyzed by combining the water level change and rainfall in the current section.

[0027] In some embodiments, a solar panel 4 is arranged on the installation frame. That is to say, a solar panel is added to the inclined installation plate, and solar power generation is used as the power supply for the entire equipment, which can achieve cable-free and long-term operation.

[0028] Specifically, a device box 5 is provided below the mounting frame and on the device table. A signal processing unit and a communication unit are arranged in the device box 5, and the signal processing unit is electrically connected to the first monitoring unit and the communication unit respectively. That is to say, the signal processing unit arranged in the device box serves as the brain of the entire device, responsible for system signal reception and processing, and the communication unit serves as the capillary between terminals, playing the role of data transmission and instruction feedback.

[0029] In some embodiments, a storage battery is integrated in the device box 5. The solar panel is electrically connected to the storage battery through a power converter, and the storage battery is electrically connected to the signal processing unit. That is to say, the storage battery is used as the power source of the entire device to supply power to the device.

[0030] It should be noted that in this embodiment, the signal processing unit uses a GD32VF103C8T6 integrated chip with an LQFP48 package specification; among them, the communication unit uses a Lora communication module with low power consumption and medium-short distance transmission to achieve point-to-point transmission, and the communication distance can reach 5 kilometers.

[0031] Specifically, a second monitoring unit for monitoring the change of surface water level is provided between the brackets 1 at the lower part of the device table 3; the signal processing unit is electrically connected to the first monitoring unit, the second monitoring unit and the communication unit respectively. That is to say, the second monitoring unit arranged at the lower part of the device table uses the second monitoring unit to monitor the water level change in the section in real time, and the data obtained by the first monitoring unit and the second monitoring unit are transmitted to the signal processing unit in real time.

[0032] Specifically, the bracket 1 includes two vertical rods and a triangular base. The two vertical rods and the triangular base form a bracket with a hollow middle area as a whole. That is to say, each bracket is formed by inserting two parallel vertical rods into the triangular base, and the triangular base is inserted into the water area of the section for fixing and compaction. The vertical rods and the triangular base serve as the foundation of the entire device. During actual installation, they must be inserted firmly, and at the same time, the vertical rods are arranged at intervals to facilitate the flow of water through the middle and reduce the scouring force on the device.

[0033] In some embodiments, a floating plate 2 is movably sleeved on several of the brackets 1, and through holes corresponding to the second monitoring unit are formed on the floating plate 2 for the second monitoring unit to monitor the change of surface water level through the through holes. That is to say, a floating disk is sleeved on each bracket, and through holes are formed on the floating disk for the second monitoring unit to monitor the water level change.

[0034] And a limiting rod passing through the floating plate 2 is arranged in the bracket 1 for the floating plate to move smoothly along the limiting rod under the buoyancy support of surface water.

[0035] Specifically, a third monitoring unit for monitoring the position change of the floating plate 2 is provided above the floating plate 2 and below the equipment table. The third monitoring unit is electrically connected to the signal processing unit to analyze the water level change in combination with the water level change data obtained by the second monitoring unit. That is to say, the third monitoring unit provided below the equipment table is used to monitor the rising or falling height of the floating plate, so as to comprehensively analyze the water level change data in combination with the water level difference obtained by the second monitoring unit.

[0036] In some embodiments, the third monitoring unit includes an infrared ranging sensor 9, and the infrared ranging sensor 9 is electrically connected to the signal processing unit. That is to say, the infrared ranging sensor is used to monitor the height change of the floating plate, so as to comprehensively analyze the water level change.

[0037] In some embodiments, the first monitoring unit includes a rain sensor 7, and the rain sensor 7 is electrically connected to the signal processing unit; the second monitoring unit includes an ultrasonic water level sensor 8, and the ultrasonic water level sensor 8 is electrically connected to the signal processing unit. That is to say, the rain sensor is used to monitor the rainfall and the ultrasonic water level sensor is used to monitor the water level change respectively. By combining the rainfall and the water level change amount, the evaporation amount can be analyzed, and then the drought degree of the regional farmland can be analyzed.

[0038] In some embodiments, a sampling box 6 is provided in the equipment box 5. A sampling pump, a drain port and a COD sensor are provided in the sampling box 6. The water inlet of the sampling pump is inserted into the surface water through a sampling pipe, and a drain pipe is connected to the drain port to drain the sampled water in the sampling box. A control valve is provided on the drain pipe; the sampling pump, the COD sensor and the control valve are all electrically connected to the signal processing unit. That is to say, a sampling device is also provided in the equipment box to regularly extract surface water and send it into the sampling box. The COD value is obtained by using the COD sensor to monitor the water sample. According to the COD value, the water quality of this section is determined. At the same time, after the detection is completed, the signal processing unit controls the drain valve to open to drain the water sample in the sampling box.

[0039] Embodiment 2

[0040] As Figure 2 shown, a surface water monitoring system includes a number of surface water on-line monitoring terminals distributed in each section. The communication unit in the surface water on-line monitoring terminal is in communication connection with the monitoring host. That is to say, surface water on-line monitoring terminals are respectively arranged in each section, and the surface water on-line monitoring terminals remotely transmit monitoring data to the monitoring host through the lora communication module, so as to comprehensively supervise the surface water in each section.

[0041] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A surface water online monitoring terminal, comprising an equipment platform, wherein a plurality of brackets are symmetrically arranged at the lower part of the equipment platform, characterized in that: A mounting frame is provided at the upper part of the equipment platform, and a first monitoring unit for monitoring rainfall is provided on the mounting frame. A second monitoring unit for monitoring surface water level changes is provided at the lower part of the equipment platform and between the brackets; an equipment box is provided below the mounting frame and on the equipment platform, and a signal processing unit and a communication unit are provided in the equipment box, and the signal processing unit is electrically connected to the first monitoring unit, the second monitoring unit and the communication unit, respectively.

2. The surface water online monitoring terminal according to claim 1, characterized in that: A solar panel is arranged on the mounting frame, a storage battery is integrated in the equipment box, the solar panel is electrically connected to the storage battery through a power converter, and the storage battery is electrically connected to the signal processing unit.

3. The surface water online monitoring terminal according to claim 1, characterized in that: The bracket comprises two upright poles and a triangular base, and the two upright poles and the triangular base integrally form a bracket with a hollow middle area.

4. The surface water online monitoring terminal according to claim 1 or 3, characterized in that: A floating plate is movably sleeved on a plurality of the brackets, and a through hole corresponding to the second monitoring unit is opened on the floating plate, so that the second monitoring unit can monitor the change of the surface water level through the through hole.

5. The surface water online monitoring terminal according to claim 4, characterized in that: The bracket is provided with a limiting rod passing through the floating plate, so that the floating plate can move smoothly along the limiting rod under the support of the buoyancy of surface water.

6. The surface water online monitoring terminal according to claim 5, characterized in that: A third monitoring unit for monitoring position changes of the floating plate is provided above the floating plate and below the equipment platform. The third monitoring unit is electrically connected to the signal processing unit to analyze water level changes in combination with water level change data obtained by the second monitoring unit.

7. The surface water online monitoring terminal according to claim 1, characterized in that: The first monitoring unit includes a rainfall sensor, which is electrically connected to the signal processing unit; the second monitoring unit includes an ultrasonic water level sensor, which is electrically connected to the signal processing unit.

8. The surface water online monitoring terminal according to claim 6, characterized in that: The third monitoring unit includes an infrared ranging sensor, and the infrared ranging sensor is electrically connected to the signal processing unit.

9. The surface water online monitoring terminal according to claim 1, characterized in that: A sampling box is arranged in the equipment box, and a sampling pump, a drain outlet and a COD sensor are arranged in the sampling box. The water inlet of the sampling pump is inserted into the surface water through a sampling pipe, and the drain outlet is connected to a drain pipe for discharging the sampled water in the sampling box. A control valve is arranged on the drain pipe; the sampling pump, the COD sensor and the control valve are all electrically connected to the signal processing unit.

10. A surface water monitoring system, characterized in that: It comprises a plurality of surface water online monitoring terminals as claimed in any one of claims 1 to 9 distributed in various bidding sections, wherein the communication unit in the surface water online monitoring terminal is communicatively connected with the monitoring host.

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