CN109541161B - A mobile water quality online monitoring and early warning device - Google Patents

Abstract

The invention discloses a movable water quality on-line monitoring and early warning device which comprises an unmanned ship capable of floating on water, a controller supported on the unmanned ship and a detection probe supported on the unmanned ship through a support structure and connected with the controller through signals, wherein the controller can detect water quality according to the detection probe, the support structure can stretch and retract, and the stretching and the retracting of the support structure are realized through a water suction pump. The device can move to the position of needs as required to because the test probe can stretch out and draw back, can pack up the test probe at the in-process that removes, reduce resistance and can protect the probe.

Description

A mobile water quality online monitoring and early warning device

technical field

The invention relates to the technical field of river or lake water quality detection, in particular to a movable online water quality monitoring and early warning device.

Background technique

With the development of society and people's concern about life and health, coupled with the increasing shortage and deterioration of water resources, the application of real-time water quality monitoring system has attracted much attention. With the gradual improvement and maturity of water quality monitoring technology, water quality monitoring technology has become an environmental protection It is the main means for the management department to conduct real-time monitoring of the water quality and status of the water body in the jurisdiction.

Most of the current water quality detection devices are fixed, such as buoys, which are fixed at the same position in rivers or lakes for a long time. Although they can play a certain role in detection and early warning, they can only detect water quality conditions within a specific range. More buoys must be used to detect the whole or most of the waters, which will inevitably increase the cost. Moreover, when it is necessary to conduct short-term monitoring of some waters or encounter sudden pollution, if fixed detection devices such as buoys are still used, repeated installation and disassembly will also increase labor costs. It also comes with danger.

Contents of the invention

The purpose of the present invention is to solve the problems in the prior art, and propose a mobile water quality online monitoring and early warning device, which uses a ship as a carrier, is flexible, and can transport the monitoring device to a designated location in time for monitoring Or take a sample.

In order to achieve the above object, the present invention adopts the following technical solutions:

A mobile water quality online monitoring and early warning device, including an unmanned ship that can float on water, a controller supported on the unmanned ship, and a detection probe supported on the unmanned ship through a supporting structure and connected to the controller signal. The controller can detect the water quality according to the detection probe, and it is characterized in that the support structure includes a plurality of buoyancy rings arranged on the outside of the unmanned ship, a detection lifting sleeve supported on the buoyancy ring in the up and down direction by a fixed plate, a sliding The lifting detection rod is sealed and connected in the detection lifting sleeve. The detection probe is installed at the lower end of the lifting detection rod. Each buoyancy ring supports a plurality of detection lifting sleeves, and each detection lifting sleeve includes a detection cylinder. The upper end of each detection cylinder is provided with a water outlet of the detection cylinder, and the water outlet of the detection cylinder communicates with the water outlet of the water pump installed in the unmanned ship. The water pump is electrically connected to the controller and the water inlet of the water pump passes through The pipeline extends into the water to be detected, and the controller can control the water pump to start and then drive the lifting detection rod to stretch out from the detection cylinder.

Preferably, at least one of the multiple detection cylinders supported on the same buoyancy ring is slidably provided with an intermediate lifting cylinder inside, and the number of intermediate lifting cylinders in different detection cylinders is different.

Preferably, a first water delivery ring pipe is provided above the detection cylinders supported on the same buoyancy ring, and the first water delivery ring pipes are respectively connected to the detection cylinder water outlets of the corresponding detection cylinders through a plurality of first connecting pipes.

Preferably, at least one of the plurality of first connecting pipes corresponding to the same buoyancy ring is provided with a sampling port, and a sampling bottle for sampling the water to be tested is detachably connected to the sampling port.

Preferably, a valve for opening or closing the sampling port is provided at the position of the sampling port, an air vent is provided on the upper end of the sampling bottle and on one side of the bottle mouth of the sampling bottle, and a one-way valve is arranged on the air vent, The one-way valve allows gas or liquid to flow from the sampling bottle to the outside through the air vent.

Preferably, a second water delivery ring pipe is supported in the unmanned ship, and the second water delivery ring pipe communicates with a plurality of first water delivery ring pipes through a plurality of inclined water delivery pipes and is connected with the water outlet of the pump, A solenoid valve electrically connected to the controller is arranged on each inclined water delivery pipe.

Preferably, two propulsion water pipes are arranged at the stern of the unmanned ship, and the water outlets of the two propulsion water pipes face the rear of the hull and are arranged symmetrically with respect to the centerline of the hull of the unmanned ship in the width direction. The water inlet of the water pipe communicates with the water outlet of the water pump, and electromagnetic valves electrically connected with the controller are arranged on the two propulsion water pipes.

Preferably, a water-air dual-purpose pump electrically connected to the controller is provided in the unmanned ship, the input end of the water-air dual-purpose pump communicates with the second water delivery ring pipe, and the output end extends into the water through the water pipe.

Preferably, a wireless network module is provided in the controller, and the controller can communicate with a remote server through the wireless network module.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention adopts the form of an unmanned ship, which can transport the detection probe to the required position; and the unmanned ship is provided with a driving device, and the controller is provided with a wireless network device, which can remotely control the unmanned ship.

2. The detection probe of the present invention can be extended and retracted. When the unmanned ship is moving, the detection probe can be retracted to reduce resistance and protect the detection probe at the same time.

3. In the present invention, the expansion and contraction of the detection probe, sampling and the driving of the unmanned ship are all completed by the same water pump, which reduces some electrical components and reduces the cost of the device.

Description of drawings

Fig. 1 and Fig. 2 are the perspective views of different angles of a preferred embodiment of the present invention;

Figure 3 is a perspective view of the support structure of the present invention;

Fig. 4 is the enlarged view of place A in Fig. 3;

5 and 6 are cross-sectional views of the support structure;

Fig. 7 is a sectional structure diagram of the detection lifting sleeve;

Figure 8 and Figure 9 are schematic diagrams of the expanded structure of the detection lifting sleeve of the present invention;

Fig. 10 is a structural diagram of a sampling bottle.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

As shown in Figure 1-10, a mobile water quality online monitoring and early warning device includes an unmanned ship 1 that can float on water, a controller 28 supported on the unmanned ship 1, supported on the unmanned ship 1 and The detection probe is signal-connected with the controller, and the controller can detect the water quality according to the detection probe. The controller 28 adopts the prior art, which will not be described in detail here.

The detection probe is supported on the outside of the unmanned ship 1 through a supporting structure. The supporting structure includes a buoyancy ring 8 arranged on the outside of the unmanned ship 1, a detection lifting sleeve 14 supported on the buoyancy ring 8 by a fixed plate 15, a lifting detection rod 16 sliding and sealingly connected in the detection lifting sleeve 14, The detection probe is installed on the lower end of the lifting detection rod 16 through the detection board 18, and the lifting detection rod 16 is provided with a wire connection hole 17, which is convenient for connecting the detection probe to the controller 28 through a wire. The detection lifting sleeve 14 can be stretched and extended to drive the detection probe to move up and down so as to insert the detection probe into the water.

There are multiple buoyancy rings 8, preferably five. In addition, each buoyancy ring 8 has four detection lifting sleeves 14, and the four detection lifting sleeves 14 respectively include a first detection cylinder 1401, a second detection cylinder 1402, and a lower end fixed on the fixed plate 15. The third detection cylinder 1403 and the fourth detection cylinder 1404 . The lifting detection rod 16 in the first detection cylinder 1401 is slidably connected to the first detection cylinder 1401, and the second detection cylinder 1402, the third detection cylinder 1403 and the fourth detection cylinder 1404 are respectively slidably connected with an intermediate lifting cylinder 23, Two intermediate lifting cylinders 23 and three intermediate lifting cylinders 23, each intermediate lifting cylinder 23 has a sliding cavity 24, through the sliding cavity 24, the intermediate lifting cylinder 23 can receive the lifting detection rod 16 or the intermediate lifting cylinder 23 of the next stage , through the relative sliding of the detection cylinder, the middle lifting cylinder 23 and the lifting detection rod 16, the expansion and contraction of the detection probe can be realized, and the detection probes corresponding to different detection cylinders can reach different depths according to the number of the middle lifting cylinder 2.

The upper end of each detection cylinder is provided with a detection cylinder water outlet 31 for water supply. When water enters the detection cylinder from the detection cylinder water outlet 31, it can drive the lifting detection rod 16 and the middle lifting cylinder 23 to stretch out and then the detection probe can be extended. into the water. When water flows out from the water outlet 31 of the detection cylinder, the lifting detection rod 16 and the middle lifting cylinder 23 can be driven to retract from the water.

Specifically, the water pump 3 connected with the controller 28 signal is installed in the unmanned ship 1, the suction end of the water pump 3 is connected with the water pipe 2, and the end of the water pipe 2 away from the water pump 3 passes through the bottom of the unmanned ship 1. The hull is placed in the water, the water outlet end of the pump 3 is connected with an outlet pipe 4, and the outlet pipe 4 communicates with the water outlet 31 of the detection cylinder. The device 28 controls the water pump 3 to open, and utilizes the water pump 3 to draw water from the water through the water pipe 2, so that the water enters the detection lifting sleeve 14 through the water outlet pipe 4, and the lifting detection rod 16 is lifted by hydraulic pressure.

The upper end of each intermediate lifting cylinder 23 is provided with a through hole 25 communicating with the sliding chamber 24, and the through hole 25 can introduce water into the sliding chamber 24 and generate pressure in the sliding chamber 24 to move the middle of the next stage. The lifting tube 23 or the lifting detection rod 16 is pushed out downwards.

In order to facilitate the water pump 3 to inject water into multiple detection cylinders and reduce the number of pipelines, a first water delivery ring pipe 7 is arranged above the detection cylinders on the same buoyancy ring 8, and the detection cylinder water outlets 31 of the four detection cylinders pass through respectively. The first connecting pipe 10 is connected with the first water delivery ring pipe 7, and the first water delivery ring pipe 7 is communicated with the water pump 3 through the outlet pipe 4, so that the water pump 3 can pass water through the first water delivery ring pipe 7 at the same time Feeds into four test cartridges.

A collecting tube 11 is arranged on each first connecting pipe 10, and a collecting net 12 is arranged in the collecting tube 11. The collecting net 12 has a filtering function and can prevent relatively large impurities from entering the detection tube. Preferably, the inner diameter of the collection cylinder 11 is larger than the inner diameter of the first connecting pipe 10, and the collection net 12 has a certain distance from the bottom surface of the collection cylinder 11, so that the flow rate can be reduced while ensuring the flow rate, thereby improving the filtering effect .

The lower end of each lifting detection rod 16 is provided with multiple detection probes, specifically, it can be a COD sensor 19 for detecting the concentration of COD in water, an ammonia nitrogen sensor 20 for detecting the concentration of ammonia nitrogen in water, and a sensor for detecting total nitrogen in water. A total nitrogen sensor 21, a heavy metal sensor 22 for detecting the concentration of heavy metals in water. Among them, the BOD sensor can use OPUS spectroscopic multi-parameter analyzer, the ammonia nitrogen sensor model is JF-NH4-485, the total nitrogen sensor model is NHN-202, and the heavy metal sensor model is HR-NO2-485. Of course, sensors for detecting other parameters can also be provided as required. Moreover, the detection probes installed at the lower ends of different lift detection rods 16 supported on the same buoyancy ring 8 may be the same or different.

In order to realize water sampling, a sampling port 13 for connecting a sampling bottle 32 is provided at a position close to the detection cylinder on the first connection pipe 10. When water enters the detection cylinder from the first connection pipe 10, a part of the water will flow from The flow out of the sampling port 13 then enters the sampling bottle 32 .

A valve 131 is provided at the sampling port 13 , and the sampling port 13 can be closed when the sampling bottle 32 is not required to be used or other circumstances require the sampling port 13 to be closed. Moreover, the actual opening size of the sampling port 13 can be adjusted through the valve 131 , so that the influence of the sampling port 13 on the water pressure can be reduced.

The mouth 321 of the sampling bottle 32 is connected to the sampling port 13 in a detachable manner such as thread to facilitate the installation and disassembly of the sampling bottle 32 .

At the same time, in order to enable water to enter the sampling bottle 32 smoothly, a vent 322 is provided on one side of the bottle mouth 321, and a one-way valve 323 is provided on the vent 322, and the one-way valve 323 can The liquid or gas in the sampling bottle 32 is allowed to escape from the air vent 322 , and the external liquid or gas cannot enter the sampling bottle 32 from the air vent 322 .

At least one of the four first connecting pipes 10 corresponding to each buoyancy ring 8 is provided with the sampling port 32 . Certainly, the sampling port 32 may also be provided on each first connecting pipe 10 , and a sampling bottle 32 is connected to the sampling port 32 to realize sampling as required.

In order to realize that the water pump supplies water to the first water delivery ring pipe 7, a second water delivery ring pipe 5 is provided on the unmanned ship 1, and the second water delivery ring pipe 5 communicates with the outlet pipe 4 of the water pump 3, and Each first water delivery ring pipe 7 communicates with the second water delivery ring pipe 5 through an inclined water delivery pipe 6, so that the water pump 3 can enter the detection zone through the second water delivery ring pipe 5 and the first water delivery ring pipe 7. Then the detection probe is inserted into the water to realize the detection and complete the sampling in the cylinder.

A pressure relief valve is arranged on the second water delivery ring pipe 5, and when the water pressure reaches a set value, the pressure relief valve is opened to prevent the water pressure from continuing to rise.

Preferably, each inclined water delivery pipe 6 is provided with a first solenoid valve connected with the controller signal, and the controller can control where the water in the second water delivery ring pipe 5 enters through the first solenoid valve. One or more of the first water delivery ring pipes 7 can further enable the detection probes to work as required. For example, by controlling the first electromagnetic valve to open at different times, it is possible to detect and sample water quality in different time periods at the same location, and the water samples obtained in different time periods enter different sampling bottles 32 . Alternatively, the water at different locations can be sampled, and the water samples at different locations can be put into different sampling bottles 32 .

Said unmanned ship 1 is also provided with a water-air dual-purpose pump 27, which is electrically connected to the controller 28, and the input end of the water-air dual-purpose pump 27 is connected to the second water delivery pipe 26 through the water-air dual-purpose pump. The ring pipe 5 is connected, and the output end of the water-air dual-purpose pump 27 is connected with a water-air outlet pipe 9, and the end of the water-air outlet pipe 9 away from the water-air dual-purpose pump 27 is placed outside the unmanned ship 1. After the water quality detection in the area is completed, the water-air dual-purpose pump 27 is started by the controller 28, and the water-air dual-purpose pump 27 is started to extract and detect the water in the lifting sleeve 14 through the second water delivery ring pipe 5, and the water-air dual-purpose pump 27 is used to detect the water in the lifting sleeve 14. The pump 27 can not only draw water but also extract air. It extracts the water and air in the detection lifting sleeve 14, so that the internal pressure of the detection lifting sleeve 14 is reduced, so that the lifting detection rod 16 resets under the action of external water pressure.

Moreover, the cooperation of the water-air dual-purpose pump 27 and the water pump 3 can clean the second water delivery ring pipe 5 to prevent the previous water from affecting the subsequent sampling. Specifically, when cleaning the second water delivery ring pipe 5, the controller 28 closes all the first electromagnetic valves, starts the water pump 3 and the water-air dual-purpose pump 27, and injects water into the second water delivery ring pipe 5 while While pumping out the water in the second water delivery ring pipe 5, the remaining water in the second water delivery ring pipe 5 can be replaced by the water that needs to be sampled at this time after a set time.

The tail of the unmanned ship 1 is also provided with two propelling water pipes 29 whose water outlets are all facing the rear of the hull. The two propelling water pipes 29 are relatively arranged in the width direction of the hull. The water pump 3 can drive the unmanned ship 1 to advance when the water is discharged from the propulsion water pipe 29 . The upper and lower positions of the propulsion water pipe 29 on the unmanned ship 1 can ensure that the unmanned ship 1 can be located below the water surface when the unmanned ship 1 is put into the water. The water outlets of the two propelling water pipes 29 are aligned in the front and back direction.

Further, each propulsion water pipe 29 is provided with a second solenoid valve signal-connected with the controller 28, and the controller 28 can control whether the propulsion water pipe 29 is conducted by controlling the second solenoid valve. When detection and sampling are required, the second solenoid valve is closed, and the first solenoid valve is selectively opened; when it is necessary to move forward, the second solenoid valve is opened, and the first solenoid valve is all closed; when it is necessary to turn, the second solenoid valve One of them is opened, and the first solenoid valves are all closed.

A wireless network module is also provided in the controller 28, and the wireless network module may be a GPRS module. Specifically, the GPRS module is an existing technology, and will not be described in detail here. Through the wireless network module, the controller 28 can timely send the detected water quality data to the remote server and complete the sampling. Moreover, the remote server will compare the water quality data with the standard value after receiving the water quality data. When an abnormality occurs, the remote server will remind the staff to realize the early warning. The staff can handle it according to the situation, such as controlling the unmanned ship to the designated location to take samples A sample of the water in bottle 32 was taken for further analysis.

Preferably, a GPS module is also provided in the controller 28, the geographic location of the device can be obtained in real time through the GPS module, the staff can easily find the device according to the geographic location, and it is also convenient for the staff to control so that Transport the device to the desired location for testing or sampling.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. A mobile water quality online monitoring and early warning device, including an unmanned ship that can float on the water, a controller supported on the unmanned ship, and a detection probe supported on the unmanned ship by a supporting structure and connected to the controller signal , the controller can detect the water quality according to the detection probe, it is characterized in that the support structure includes a plurality of buoyancy rings arranged on the outside of the unmanned ship, and a detection lifting sleeve supported on the buoyancy rings in the up and down direction through the fixed plate , Sliding and sealingly connected to the lifting detection rod in the detection lifting sleeve, the detection probe is installed at the lower end of the lifting detection rod, and each buoyancy ring is supported with a plurality of detection lifting sleeves, and each detection lifting sleeve includes a detection The upper end of each detection cylinder is provided with a water outlet of the detection cylinder, and the water outlet of the detection cylinder communicates with the water outlet of the water pump installed in the unmanned ship. The water pump is electrically connected to the controller and the inlet of the water pump The water port extends into the water to be detected through the pipeline, and the controller can control the pump to start and then drive the lifting detection rod to protrude from the detection cylinder; A first water delivery ring pipe is arranged above the detection cylinders supported on the same buoyancy ring, and the first water delivery ring pipes are respectively connected to the detection cylinder water outlets of the corresponding detection cylinders through a plurality of first connecting pipes; At least one of the plurality of first connecting pipes corresponding to the same buoyancy ring is provided with a sampling port, and a sampling bottle for sampling the water to be detected is detachably connected to the sampling port; At least one of the multiple detection cylinders supported on the same buoyancy ring is slidably provided with an intermediate lifting cylinder, and the number of intermediate lifting cylinders in different detection cylinders is different; each intermediate lifting cylinder has a sliding cavity; The upper end of each detection cylinder is provided with a detection cylinder water outlet for water supply. When water enters the detection cylinder from the water outlet of the detection cylinder, it can drive the lifting detection rod and the middle lifting cylinder to extend out; when the water flows out of the detection cylinder water outlet , it can drive the lifting detection rod and the middle lifting cylinder to retract from the water; The suction end of the water pump is connected with a water pipe, and the end of the water pipe away from the water pump passes through the hull of the unmanned ship and is placed in the water. The water outlet end of the water pump is connected with a water outlet pipe, and the water outlet pipe communicates with the water outlet of the detection cylinder; The upper end of each intermediate lifting cylinder is provided with a through hole communicating with the sliding chamber, and the through hole can introduce water into the sliding chamber and generate pressure in the sliding chamber to move the intermediate lifting cylinder of the next stage or the lifting detection rod Push down. 2. A kind of movable water quality on-line monitoring and early warning device according to claim 1, characterized in that, a valve for opening or closing the sampling port is provided at the position of the sampling port, at the upper end of the sampling bottle and located at One side of the mouth of the sampling bottle is provided with a vent, and a one-way valve is arranged on the vent, and the one-way valve allows gas or liquid to flow from the sampling bottle to the outside through the vent. 3. A mobile water quality on-line monitoring and early warning device according to claim 2, characterized in that, a second water delivery ring pipe is supported in the unmanned ship, and the second water delivery ring pipe passes through a plurality of inclined The water delivery pipes are respectively communicated with a plurality of first water delivery ring pipes and connected with the water outlet of the water pump, and a solenoid valve electrically connected with the controller is provided on each inclined water delivery pipe. 4. A kind of mobile water quality online monitoring and early warning device according to claim 1, characterized in that, two propulsion water pipes are arranged at the stern of the unmanned ship, and the water outlets of the two propulsion water pipes face the rear of the hull And relative to the centerline of the hull of the unmanned ship in the width direction, the water inlets of the two propulsion water pipes are connected with the water outlets of the pumps, and the two propulsion water pipes are provided with electromagnetic switches electrically connected to the controller. valve. 5. A kind of mobile water quality online monitoring and early warning device according to claim 1, characterized in that, a water-air dual-purpose pump electrically connected to the controller is arranged in the unmanned ship, and the water-air dual-purpose pump The input end communicates with the second water delivery ring pipe, and the output end extends into the water through the water pipe. 6. A kind of mobile water quality online monitoring and early warning device according to claim 1, characterized in that, a wireless network module is arranged in the controller, and the controller can communicate with the remote server through the wireless network module. communication.