CN212674891U - Automatic sampling and remote monitoring device for river channel in rainy days - Google Patents
Automatic sampling and remote monitoring device for river channel in rainy days Download PDFInfo
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- CN212674891U CN212674891U CN202020786918.4U CN202020786918U CN212674891U CN 212674891 U CN212674891 U CN 212674891U CN 202020786918 U CN202020786918 U CN 202020786918U CN 212674891 U CN212674891 U CN 212674891U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The utility model relates to a rainy day river course automatic sampling and remote monitoring device, the device is installed in the river bank department, it provides the electric energy to be equipped with solar power system, establish PLC and thing networking gateway in the device, water level data can be uploaded in real-time supervision, the remote user window of administrator's accessible thing networking gateway, the realization is to the parameter setting of device, operating condition, data pass back and look over, can set up three kinds of mode according to actual conditions at remote user window, establish river water quality of water instrument probe (pH, dissolved oxygen and turbidity sensor) in the device, through remote setting, need on-the-spot survey quality of water index can direct automated inspection transmission to remote user window. But the device of this embodiment real-time supervision river course water level improves continuity, security and the preparation nature of river course water level, quality of water data collection when rainy day, for realizing that the water affair is digital provides the equipment foundation.
Description
Technical Field
The utility model relates to an environmental protection equipment field, especially a rainy day river course automatic sampling and remote monitoring device.
Background
Along with the development of economy, urban water resources are polluted, and river water in urban riverways needs to be sampled and detected, so that the water resource pollution is conveniently treated.
When the rainfall time happens, certain hysteresis exists in the field monitoring of the river water quality, and the time and the labor are wasted.
Disclosure of Invention
In view of this, the utility model aims at providing a rainy day river course automatic sampling and remote monitoring device can directly extract the water sample through the water pump, reduces extra consumption, takes out water and stirs in the circulating water tank, reduces detection error.
The utility model discloses a following scheme realizes: an automatic sampling and remote monitoring device for a river channel in rainy days comprises a metal cabinet body, a front bin door and a rear bin door which are respectively arranged at the front and the rear of the metal cabinet body, a rainfall monitoring device arranged at the upper part of the metal cabinet body, a solar power generation panel arranged at the upper part of the metal cabinet body, an antenna arranged at the upper part of the metal cabinet body, a control bin arranged in the metal cabinet body, a working bin arranged in the metal cabinet body, a sample retention mechanism arranged in the metal cabinet body, and two universal wheels with brake blocks arranged at the lower part of the metal cabinet body; the control bin is connected with the working bin and used for obtaining water quality data measured by the working bin and analyzing and displaying the data by the control bin; the control bin is connected with the rainfall monitoring device and used for sending rainfall information of the position of 24 hours to the control bin to obtain river channel water level change; the control bin is further connected with the sample reserving mechanism and used for reserving samples by the sample reserving mechanism according to the change of the water level of the river channel.
Further, the control cabin comprises a PLC, an Internet of things gateway, a storage battery, a first longitudinal partition board A, a first transverse partition board A, a display screen, a glass observation window, a water quality instrument processor and a second longitudinal partition board B; the first longitudinal partition board A and the second longitudinal partition board B are respectively arranged on the left side and the right side of the first transverse partition board A, an Internet of things gateway and a PLC (programmable logic controller) are arranged on the first longitudinal partition board A, a storage battery and a water quality instrument processor are arranged between the first longitudinal partition board A and the second longitudinal partition board B, a display screen is arranged on the second longitudinal partition board B, and the glass observation window is arranged on the upper portion of the front cabin door; the solar power generation panel is connected with the storage battery and is used for converting solar energy into electric energy and storing the electric energy in the storage battery; the storage battery is also respectively connected with the PLC, the Internet of things gateway, the display screen, the water quality instrument processor and the rainfall monitoring device and used for providing electric energy; the PLC is communicated with an external administrator through the gateway of the Internet of things and is used for sending rainfall, river water level and water quality data to the administrator and receiving a control instruction of the administrator; the rainfall monitoring device is connected with the PLC and used for sending rainfall information of the position of 24 hours to the PLC; the water quality instrument processor is connected with the PLC, and is used for processing and calculating water quality data measured by the working bin after receiving an instruction of the PLC and sending the water quality data to the PLC; the Internet of things gateway module is connected with the antenna and used for accessing a 4G network by means of the antenna to realize data receiving and sending; the PLC is connected with the display screen and displays the working state and water quality information of each part of the device on site.
Furthermore, the working bin comprises a second transverse partition plate B, a circulating water tank, a water taking pump, a water inlet pipe arranged on the water taking pump, a blocking cover arranged above the circulating water tank, a stirrer arranged below the blocking cover and a water quality instrument probe arranged on the right side wall of the circulating water tank; an overflow port is arranged at the left upper end of the circulating water tank, a water inlet is arranged on one side of the upper end of the circulating water tank, a water outlet is arranged on one side of the lower end of the circulating water tank, and an emptying water valve and a sample storage water valve are arranged at the water outlet; a circular hole is formed in the upper surface of the second transverse partition plate B, and the circulating water tank is arranged in the circular hole; the storage battery is respectively connected with the water taking pump, the stirrer and the water quality instrument probe and is used for providing electric energy; the emptying water valve and the sample storage water valve are both connected with the PLC and are respectively provided with a drain pipe and a sample storage water pipe; a water pipe is arranged between the water taking pump and the water inlet of the circulating water tank, an overflow pipe is arranged at the overflow port, and a water pipe is arranged at the water outlet of the circulating water tank; the water taking pump is connected with the PLC; the stirrer is connected with the PLC and is used for stirring; the water quality instrument probe is connected with the water quality instrument processor; the water quality instrument probe comprises a pH sensor, a dissolved oxygen sensor and a turbidity sensor, wherein the three sensors are respectively connected with the water quality instrument processor and used for transmitting detected water quality information of a corresponding river site, namely the pH value, the dissolved oxygen and the turbidity information of river water, to the water quality instrument processor for processing and then feeding back to the PLC.
Furthermore, the sample reserving mechanism comprises a base fixedly installed on the lower surface of the bottom of the cabinet body, a servo motor arranged on the upper portion of the base, a refrigerating box body arranged above the base, a circular rotary table arranged in the refrigerating box body, and an inclined upper surface of the rotary table, wherein 24 sample reserving holes are uniformly formed in the rotary table, 24 sample reserving bottles are assembled in the sample reserving holes, the sample reserving holes are vertical cylindrical and have the diameter of 10cm and are used for fixing the sample reserving bottles, a box door is arranged on the front side of the refrigerating box, a refrigerating compressor is arranged below the refrigerating box, a flow guide groove is formed in the lower surface of the refrigerating box, the box door is arranged on the front side of the refrigerating box, and a temperature sensor is arranged on one side of the lower surface in the refrigerating box; the servo motor is connected with the turntable; the storage battery is respectively connected with the refrigeration compressor and the servo motor and used for providing electric energy; the PLC is connected with the servo motor and is used for driving the rotary disc to rotate once when the PLC sends a sample reserving instruction, the servo motor drives the rotary disc to rotate for 15 degrees each time the servo motor rotates, an empty sample reserving bottle is rotated to a sample reserving water pipe, namely the position below the sample reserving water pipe, the sample reserving water valve is opened for 30s, sample water is injected into the sample reserving bottle, the sample reserving water valve is closed after 30s, the rotary disc rotates once again, the empty sample reserving bottle is rotated to the position below the sample reserving pipe, and the next sample reserving is waited; the PLC controller is further connected with the refrigeration compressor and used for controlling the compressor to work and ensuring that the interior of the refrigeration box is kept at a low temperature when waiting for next sample retention, sample water is ensured not to deteriorate, if water overflows, the surface of the inclined rotary disc flows to the diversion trench to discharge the refrigeration box, as long as the interior of the refrigeration box is filled with the sample water, the compressor is kept opened, the refrigeration compressor is started, and the temperature of the refrigeration box is controlled to be kept at 4 ℃.
Further, the retention bottle is a custom wide-mouth borosilicate glass bottle with a diameter of 9cm and a capacity of 500mL or 1000 mL.
Further, rainfall monitoring devices includes rainfall monitor probe and level gauge, rainfall monitor probe with the level gauge all with the PLC controller is connected, rainfall monitor probe senses the rainfall and is greater than 1mm min, rainfall monitor probe sends rainfall data and rainfall alarm information to the PLC controller, simultaneously, installs the level gauge in the river course and detects the river course water level change condition, to the PLC controller sends water level data to this judges the influence degree of current rainfall to the river course water level.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses but the device real-time supervision river course water level improves continuity, security and the preparation nature of river course water level, quality of water data collection when rainy day, for realizing that the water affairs is digital provides the equipment foundation.
Drawings
Fig. 1 is a structural diagram of an apparatus according to an embodiment of the present invention, in which 1 is a control cabin, 2 is a working cabin, 3 is a sample retention mechanism, 4 is a rainfall monitoring device, 5 is a solar panel, 6 is an antenna, 7 is a front cabin door, 8 is a rear cabin door, 9 is a universal wheel, and 10 is a brake pad; 1-1 is a PLC controller, 1-2 is an Internet of things gateway, 1-3 is a storage battery, 1-4 is a first longitudinal partition plate A, 1-5 is a first transverse partition plate A, 1-6 is a display screen, 1-7 is a glass observation window, 1-8 is a water quality instrument processor, 1-9 is a second longitudinal partition plate B, 2-1 is a second transverse partition plate B, 2-2 is a circulating water tank, 2-3 is a water taking pump, 2-4 is a water inlet pipe, 2-5 is a baffle cover, 2-6 is a stirrer, 2-7 is a water quality instrument probe, 2-8 is an emptying water valve, 2-9 is a sample storage water valve, 2-10 is a water outlet pipe, and 2-11 is an overflow port; 3-1 is a base, 3-2 is a servo motor, 3-3 is a refrigerating box body, 3-4 is a rotary table, 3-5 is a sample retention bottle, 3-6 is a refrigerating box door, 3-7 is a compressor, 3-8 is a flow guide groove, and 3-9 is a temperature sensor.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
As shown in fig. 1, the embodiment provides an automatic sampling and remote monitoring device for a river channel in rainy days, which includes a metal cabinet, a front door 7 and a rear door 8 respectively disposed at the front and the rear of the metal cabinet, a rainfall monitoring device 4 disposed at the upper portion of the metal cabinet, a solar panel 5 disposed at the upper portion of the metal cabinet, an antenna 6 disposed at the upper portion of the metal cabinet, a control cabin 1 disposed inside the metal cabinet, a working cabin 2 disposed inside the metal cabinet, a sample retention mechanism 3 disposed inside the metal cabinet, and two universal wheels 7 with brake pads disposed at the lower portion of the metal cabinet; the control bin 1 is connected with the working bin 2 and used for obtaining water quality data measured by the working bin 2 and analyzing and displaying the data by the control bin 1; the control cabin 1 is connected with the rainfall monitoring device 4 and used for sending rainfall information of a position of 24 hours to the control cabin 1 to obtain river channel water level change; the control bin 1 is also connected with the sample reserving mechanism 3 and used for reserving a sample according to the river water level change operation of the sample reserving mechanism 3.
In the embodiment, the control cabin 1 comprises a PLC (programmable logic controller) 1-1, an Internet of things gateway 1-2, a storage battery 1-3, a first longitudinal partition A1-4, a first transverse partition A1-5, a display screen 1-6, a glass observation window 1-7, a water quality instrument processor 1-8 and a second longitudinal partition B1-9; the first longitudinal partition plate A1-4 and the second longitudinal partition plate B1-9 are respectively arranged on the left side and the right side of the first transverse partition plate A1-5, an Internet of things gateway 1-2 and a PLC (programmable logic controller) 1-1 are arranged on the first longitudinal partition plate A1-4, a storage battery 1-3 and a water quality instrument processor 1-8 are arranged between the first longitudinal partition plate A1-4 and the second longitudinal partition plate B1-9, a display screen 1-6 is arranged on the second longitudinal partition plate B1-9, and the glass observation window 1-7 is arranged on the upper portion of the front cabin door 7; the solar power generation panel 5 is connected with the storage batteries 1-3 and is used for converting solar energy into electric energy and storing the electric energy in the storage batteries 1-3; the storage battery 1-3 is also respectively connected with the PLC controller 1-1, the Internet of things gateway 1-2, the display screen 1-6, the water quality instrument processor 1-8 and the rainfall monitoring device 4 to provide electric energy; the PLC controller 1-1 is communicated with an external administrator through the Internet of things gateway 1-2 and used for sending rainfall, river water level and water quality data to the administrator and receiving a control instruction of the administrator; the rainfall monitoring device 4 is connected with the PLC controller 1-1 and used for sending rainfall information of a position where the rainfall monitoring device is located for 24 hours to the PLC controller 1-1; the water quality instrument processor 1-8 is connected with the PLC controller 1-1, and is used for processing and calculating water quality data measured by the working bin 2 (water quality analysis probe) after receiving an instruction of the PLC controller 1-1, and sending the water quality data to the PLC controller 1-1; the internet of things gateway 1-2 module is connected with the antenna 6 and used for accessing a 4G network by virtue of the antenna 6 to realize data receiving and transmitting; the PLC controller 1-1 is connected with the display screen 1-6, and the working state and water quality information of each part of the device are displayed on site.
In the embodiment, the working bin 2 comprises a second transverse partition B2-1, a circulating water tank 2-2, a water taking pump 2-3, a water inlet pipe 2-4 arranged on the water taking pump 2-3, a baffle cover 2-5 arranged above the circulating water tank 2-2, a stirrer 2-6 arranged below the baffle cover 2-5 and a water quality instrument probe 2-7 arranged on the right side wall of the circulating water tank 2-2; an overflow port 2-11 is arranged at the upper left end of the circulating water tank 2-2, a water inlet is arranged at one side of the upper end of the circulating water tank 2-2, a water outlet is arranged at one side of the lower end of the circulating water tank 2-2, and an emptying water valve 2-8 and a sample storage water valve 2-9 are arranged at the water outlet; a circular hole is formed in the upper surface of the second transverse partition plate B2-1, and the circulating water tank 2-2 is arranged in the circular hole; the storage battery 1-3 is respectively connected with the water taking pump 2-3, the stirrer 2-6 and the water quality instrument probe 2-7 to provide electric energy; the emptying water valve 2-8 and the sample storage water valve 2-9 are both connected with the PLC controller 1-1 and are respectively provided with a drain pipe 2-10 and a sample storage water pipe; a water pipe is arranged between the water taking pump 2-3 and the water inlet of the circulating water tank 2-2, an overflow pipe is arranged at the overflow port 2-11, and a water pipe is arranged at the water outlet of the circulating water tank 2-2; the water taking pumps 2-3 are all connected with the PLC controller 1-1; the stirrer 2-6 is connected with the PLC 1-1 and is used for stirring; the water quality instrument probe 2-7 is connected with the water quality instrument processor 1-8; the rainfall monitoring device 4 sends monitoring information to the PLC controller 1-1 after monitoring rainfall, the PLC controller 1-1 operates the water taking pump 2-3 to inject river water into the circulating water tank 2-2 from a water inlet in combination with river water level change, and the water tank liquid level is discharged back to the river through an overflow pipe connected to the overflow port 2-11 after reaching the overflow port 2-11, so that running water is ensured in the circulating water tank 2-2; the water quality instrument probes 2-7 comprise pH sensors, dissolved oxygen sensors and turbidity sensors, the three sensors are used for respectively detecting the pH value, dissolved oxygen and turbidity of the river water, and transmitting the detected field water quality information of the corresponding river water, namely the pH value, dissolved oxygen and turbidity information of the river water to the water quality instrument processor 1-8 for processing and then feeding back to the PLC controller 1-1; the PLC 1-1 sends water quality information (pH, dissolved oxygen and turbidity sensors) to an administrator, the administrator sends an instruction to the PLC 1-1 whether to automatically reserve sample water for retesting, if so, the PLC 1-1 controls a sample water storage valve 2-9 to work, and water in a water tank is injected into a sample reserving mechanism 3 through a sample storage water pipe; if not, the sample retention work flow is not executed, and the river water is circulated back to the river channel through a liquid discharge pipe; after the rainfall is finished, the PLC 1-1 controls the emptying water valve 2-8 to work, empties the water tank and waits for the next rainfall to work again.
In this embodiment, the sample reserving mechanism 3 comprises a base 3-1 fixedly installed on the lower surface of the bottom of the cabinet body, a servo motor 3-2 arranged on the upper portion of the base 3-1, a refrigerating box body 3-3 arranged above the base 3-1, a circular rotary table 3-4 arranged in the refrigerating box body 3-3, and an inclined upper surface of the rotary table 3-4, wherein 24 sample reserving holes are uniformly arranged on the rotary table 3-4, 24 sample reserving bottles 3-5 are assembled in the sample reserving holes, the sample reserving holes are vertical cylindrical with the diameter of 10cm and used for fixing the sample reserving bottles 3-5, a box door is arranged on the front side of the refrigerating box, a refrigerating compressor 3-7 is arranged below the refrigerating box, a flow guide groove 3-8 is arranged on the lower surface of the refrigerating box, and the box door is arranged on the front side of the refrigerating box, a temperature sensor 3-9 is arranged on one side of the lower surface in the refrigerating box; the servo motor is connected with the turntable; the storage battery 1-3 is respectively connected with the refrigeration compressor 3-7 and the servo motor 3-2 and used for providing electric energy; the PLC controller 1-1 is respectively connected with the refrigeration compressor 3-7 and the servo motor 3-2; after the PLC controller 1-1 sends a sample reserving instruction, a servo motor 3-2 operates to drive a rotary disc 3-4 to rotate once, the servo motor 3-2 rotates once to drive the rotary disc to rotate for 3-415 degrees, an empty sample reserving bottle 3-5 is rotated to a sample reserving water pipe, namely the position below the sample reserving water pipe, a sample reserving water valve is opened for 30s, sample water is injected into the sample reserving bottle 3-5, a sample reserving water valve is closed after 30s, the rotary disc 3-4 rotates once again, an empty sample reserving bottle 3-5 is rotated to the position below the sample reserving pipe to wait for next sample reserving, and at the moment, the PLC controller 1-1 controls a compressor 3-7 to work to ensure that the temperature in a refrigerating box is kept low and the sample water is not deteriorated; if water overflows, the surface of the inclined rotary disc 3-4 flows into the diversion trench 3-8 to be discharged out of the refrigerating box, as long as sample water exists in the refrigerating box, the compressor 3-7 is kept on, the refrigerating compressor 3-7 is started, and the temperature of the refrigerating box is controlled to be kept at 4 ℃.
In this example, the vials 3-5 are custom wide-mouth borosilicate glass vials 9cm in diameter and 500mL or 1000mL capacity.
In this embodiment, rainfall monitoring devices includes rainfall monitor probe and level gauge, rainfall monitor probe with the level gauge all with the PLC controller is connected, rainfall monitor probe senses the rainfall and is greater than 1mm min, rainfall monitor probe sends rainfall data and rainfall alarm information to the PLC controller, simultaneously, installs the level gauge in the river course and detects the river course water level change condition, to the PLC controller sends water level data to this judges the influence degree of current rainfall to the river course water level.
Preferably, this embodiment further provides a working method of the device for automatically sampling and remotely monitoring a river channel in a rainy day, including the following steps:
step S1: after the rainfall monitoring device 4 monitors that rainfall occurs, the PLC 1-1 monitors that the rainfall change exceeds 1 mm/min through the rainfall monitoring probe, and the rainfall is considered to occur; the PLC 1-1 sends rainfall occurrence information to an administrator, controls and operates the water taking pump 2-3 to inject river water into the circulating water tank 2-2 from a water inlet, simultaneously starts the stirrer 2-6 to uniformly stir water in the circulating water tank 2-2, the water taking pump 2-3 continuously pumps water during the rainfall period, the stirrer 2-6 continuously stirs, and the liquid level of the circulating water tank 2-2 reaches the overflow port 2-11 and then is discharged back to the river channel through an overflow pipe connected with the overflow port 2-11, so that the water tank is kept alive water and constant in liquid level;
step S2: the water quality instrument probe 2-7 is used for detecting river water in the water tank, detected data are processed by the water quality instrument processor 1-8 and then sent to the PLC controller 1-1, the PLC controller 1-1 feeds back received water quality information to an administrator, the sample reserving mechanism 3 is divided into two working modes of automatic sample reserving and manual sample reserving, the administrator remotely switches the two working modes, and the administrator can execute sample reserving or emptying operation of a water sample in the device by sending a sample reserving or emptying instruction. In the automatic sample reserving mode of the sample reserving operation, after a first group of water quality data is detected and sent out from a water quality instrument, a PLC (programmable logic controller) 1-1 sends a sample reserving primary instruction to a sample reserving mechanism 3; after that, sample reserving operation is carried out every time water quality data transmission is finished until rainfall is finished; in the manual mode, an administrator can remotely select three sample retention modes, namely a timing mode, a rainfall mode and a rainfall water level mode; in a timing mode, when rainfall occurs, the controller controls the sample reserving mechanism 3 to finish sample reserving once, and then sample reserving is performed once every 5 minutes until the rainfall stops; under the rainfall mode, when rainfall occurs, when the rainfall is detected to increase by 1mm, a sample is reserved once until the rainfall stops; under the rainfall water level mode, when rainfall occurs and the rainfall and the river water level are detected to increase by 1mm, reserving a sample once until the rainfall stops; after the sample reserving instruction is executed, the PLC 1-1 controls the sample storing water valve 2-9 to work, water in the water tank is injected into the sample reserving mechanism 3, and a water sample is reserved in the sample reserving mechanism 3 for retesting; after the emptying instruction is executed, when rainfall is finished, the PLC 1-1 closes the water taking pump 2-3, then controls the emptying water valve 2-8 to work, empties the water tank, and waits for the next rainfall to work again. If a user needs to perform water quality detection on an extracted water sample on site outside the condition of automatic starting of the device, a water quality detection button on a display screen 1-6 can be clicked, after the water quality detection button is started, the device starts a stirrer 2-6 to stir, simultaneously starts a water quality instrument probe 2-7 to detect water quality information, transmits the water quality information to a water quality instrument processor 1-8 to process the water quality information and feeds the water quality information back to a PLC controller 1-1, and the PLC controller 1-1 feeds obtained water quality data back to the display screen 1-6 so that the user can read the water quality data in real time.
Step S3: when the PLC 1-1 sends a sample reserving instruction, the servo motor 3-2 is started to operate and drive the rotary disc 3-4 to rotate an empty sample reserving bottle 3-5 to the lower part of a sample reserving water pipe, the sample storing water valve 2-9 is opened for 30s, a water sample is injected into the sample reserving bottle 3-5, after the sample reserving is completed, the sample storing water valve is closed, the rotary disc 3-4 rotates the empty sample reserving bottle 3-5 to the lower part of the sample reserving pipe for the next sample reserving work, if water overflows, the water flows to the flow guide groove 3-8 through the surface of the inclined rotary disc 3-4 to be discharged out of the refrigerating box, and the compressor 3-7 is started to operate, so that the interior of the refrigerating box is kept at low temperature, and the water sample is prevented from going bad. If a user needs to carry out sample retention on a water sample in situ in real time, the sample retention button on the display screen 1-6 can be clicked to finish the sample retention operation of the device, after the sample retention button is opened, the device starts the servo motor 3-2, the rotary disc 3-4 rotates the sample retention bottle 3-5 to the position below the sample retention water pipe to be stored, then the sample storage water valve 2-9 is opened for 30s, after the water sample is filled into the sample retention bottle 3-5, the sample storage water valve 2-9 is closed, the refrigerating compressor 3-7 of the refrigerating box is started, and the temperature in the refrigerating box body 3-3 is ensured.
In this embodiment, after the rainfall monitoring device 4 monitors that rainfall occurs, the PLC controller 1-1 monitors that the rainfall change exceeds 1mm \ min through the rainfall monitoring device 4, and considers that rainfall occurs; when the liquid level meter monitors that the water level of the river rises, the PLC 1-1 monitors that the water level rising change exceeds 1 mm/min through the liquid level meter, and the rainfall is considered to occur; when one of the two modes is triggered, the PLC 1-1 sends rainfall occurrence information to an administrator, the operation of the water taking pump 2-3 is controlled to inject river water into the water tank from the water inlet, the stirrer 2-6 is started to stir the water in the water tank uniformly, the water taking pump 2-3 continuously pumps water during the rainfall period, the stirrer 2-6 continuously stirs the water, the liquid level of the water tank reaches the overflow port 2-11 and then is discharged back to the river channel through an overflow pipe connected with the overflow port 2-11, and the condition that the water in the water tank is running water and the liquid level is constant is ensured.
After the water taking pump 2-3 is started for 1min, the PLC controller 1-1 sends a working instruction to the water quality instrument processor 1-8, and the water quality instrument probe 2-7 detects water quality information, transmits the water quality information to the water quality instrument processor 1-8 for processing and feeds the water quality information back to the PLC controller 1-1; the PLC 1-1 displays the water quality information on a display screen 1-6 of the device and simultaneously sends the water quality information to an administrator, and the administrator can execute sample reserving or emptying operation of a water sample in the device by sending a sample reserving or emptying instruction; the sample reserving operation is divided into two working modes of automatic sample reserving and manual sample reserving, a manager can select according to actual conditions, in the automatic sample reserving mode, after a first group of water quality data is detected from a water quality instrument and sent out, a PLC (programmable logic controller) 1-1 sends a sample reserving instruction to a sample reserving mechanism 3, and then sample reserving operation is carried out once every time water quality data transmission is completed until rainfall is finished; in the manual sample reserving mode, after an administrator sends a sample reserving instruction, three working modes, namely a timing mode, a rainfall mode and a rainfall water level mode, can be switched remotely; in a timing mode, when rainfall occurs, the controller controls the sample reserving mechanism 3 to finish sample reserving once, and then sample reserving is performed once every 5 minutes until the rainfall stops; under the rainfall mode, when rainfall occurs, when the rainfall is detected to increase by 1mm, a sample is reserved once until the rainfall stops; under the rainfall water level mode, when rainfall occurs and the rainfall and the river water level are detected to increase by 1mm, reserving a sample once until the rainfall stops; after the sample reserving instruction is executed, the PLC 1-1 controls the sample storing water valve 2-9 to work, water in the water tank is injected into the sample reserving mechanism 3, and a water sample is reserved in the sample reserving mechanism 3 for retesting; after the emptying instruction is executed, when rainfall is finished, the PLC 1-1 closes the water taking pump 2-3, then controls the emptying water valve 2-8 to work, empties the water tank, and waits for the next rainfall to work again.
Sampling of the water quality detection device:
the device is moved to one side of a river channel needing to detect water quality, the universal wheels 9 can facilitate the device to move, the brake pads 10 can be locked to fix the device and prevent the device from moving, the water inlet pipe 2-4 of the device is placed in the river channel, rainfall information is collected through the rainfall monitoring device 4 and fed back to the PLC controller 1-1, the PLC controller 1-1 carries out sampling control, the water taking pump 2-3 is started to inject river channel water into the water tank from the water inlet, the liquid level of the water tank reaches the overflow port 2-11 and then is discharged back to the river channel through the overflow pipe arranged at the overflow port 2-11, and the water in the water tank is ensured to be running water.
Preferably, in this embodiment, the internet of things gateway 1-2 establishes communication with the ethernet by using a 4G network, so that bidirectional interaction of data can be realized; the PLC 1-1 and the gateway 1-2 of the Internet of things establish communication, and the device sends rainfall, river water level and water quality data to an administrator and receives an administrator control instruction through the gateway 1-2 of the Internet of things; the PLC 1-1 is responsible for controlling the water taking pump 2-3 to be started and stopped, the stirrer 2-6 to be started and stopped, the emptying valve switch, the sample storage valve switch and the servo motor 3-2 to finish the working steps of water pumping, water quality detection and sample water retention; the rainfall monitoring probe is communicated with the PLC 1-1, and the rainfall information of the position of 24 hours is sent to the PLC 1-1; the water quality instrument processor 1-8 is communicated with the PLC controller 1-1, processes and calculates water quality data measured by the water quality analysis probe after receiving an instruction of the PLC controller 1-1, and sends the water quality data to the PLC controller 1-1; the PLC controller 1-1 is connected with the display screen 1-6, and the working state and water quality information of each part of the device are displayed on site.
Preferably, in this embodiment, the solar power generation device is composed of a solar power generation panel 5 and solar power generation device storage batteries 1 to 3, the solar power generation panel 5 is connected to the storage batteries 1 to 3, the solar power generation panel 5 transmits energy to the solar power generation device storage batteries 1 to 3 for power utilization and storage after absorbing sunlight, and the solar power generation device storage batteries 1 to 3 are connected to all power utilization devices and rainfall monitoring probes of a control mechanism, a water sample detection mechanism and a sample retention mechanism 3 of the device, so as to provide energy for the operation of each module and realize the automatic storage of low-carbon energy in a sunny day by the sampler.
Preferably, in this embodiment, the display screen 1-6 is connected to the PLC controller 1-1, and the PLC controller 1-1 is communicated with the display screen 1-6 to complete the operation steps of starting and stopping the water taking pump 2-3, starting and stopping the stirrer 2-6, emptying the valve switch, the sample storage valve switch, and completing the operation steps of water pumping, water quality detection, and sample water retention by using the PLC controller 1-1, the display screen 1-6 is provided with a sampling, water quality detection, sample retention, and emptying operation buttons, when the sampling button is turned on, the device starts the water taking pump 2-3 to extract water samples, when the water quality detection button is turned on, the device starts the stirrer 2-6 to stir, and simultaneously starts the water quality instrument probe 2-7 to detect water quality information and transmit the water quality information to the water quality instrument processor 1-8 to process the water quality information and feed the water quality information back to the PLC controller 1-1, the PLC 1-1 feeds the obtained water quality data back to a display screen 1-6 so that a user can read the water quality data in real time, after a sample retention button is opened, the device starts a servo motor 3-2, a rotary disc 3-4 rotates a sample retention bottle 3-5 to the position below a sample retention water pipe to store a sample, then a sample storage water valve 2-9 is opened for 30s, after a water sample is filled into the sample retention bottle 3-5, the sample storage water valve 2-9 is closed, a refrigerating compressor 3-7 of a refrigerating box is started to ensure the temperature in the refrigerating box body 3-3, after the emptying button is opened, the device closes a water taking pump 2-3, and simultaneously opens an emptying water valve 2-8 to empty water in a water tank.
It is worth mentioning that the utility model protects a hardware structure, as for the control method does not require protection. The above is only a preferred embodiment of the present invention. However, the present invention is not limited to the above embodiments, and any equivalent changes and modifications made according to the present invention do not exceed the scope of the present invention, and all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a rainy day river course automatic sampling and remote monitoring device which characterized in that: the rain monitoring device comprises a metal cabinet body, a front bin door and a rear bin door which are respectively arranged in front of and behind the metal cabinet body, a rain monitoring device arranged on the upper portion of the metal cabinet body, a solar power generation panel arranged on the upper portion of the metal cabinet body, an antenna arranged on the upper portion of the metal cabinet body, a control bin arranged inside the metal cabinet body, a working bin arranged inside the metal cabinet body, a sample reserving mechanism arranged inside the metal cabinet body, and two universal wheels with brake blocks arranged on the lower portion of the metal cabinet body; the control bin is connected with the working bin and used for obtaining water quality data measured by the working bin and analyzing and displaying the data by the control bin; the control bin is connected with the rainfall monitoring device and used for sending rainfall information of the position of 24 hours to the control bin to obtain river channel water level change; the control bin is further connected with the sample reserving mechanism and used for reserving samples by the sample reserving mechanism according to the change of the water level of the river channel.
2. The automatic sampling and remote monitoring device for the river channel in the rainy day according to claim 1, wherein: the control bin comprises a PLC (programmable logic controller), an Internet of things gateway, a storage battery, a first longitudinal partition plate A, a first transverse partition plate A, a display screen, a glass observation window, a water quality instrument processor and a second longitudinal partition plate B; the first longitudinal partition board A and the second longitudinal partition board B are respectively arranged on the left side and the right side of the first transverse partition board A, an Internet of things gateway and a PLC (programmable logic controller) are arranged on the first longitudinal partition board A, a storage battery and a water quality instrument processor are arranged between the first longitudinal partition board A and the second longitudinal partition board B, a display screen is arranged on the second longitudinal partition board B, and the glass observation window is arranged on the upper portion of the front cabin door; the solar power generation panel is connected with the storage battery and is used for converting solar energy into electric energy and storing the electric energy in the storage battery; the storage battery is also respectively connected with the PLC, the Internet of things gateway, the display screen, the water quality instrument processor and the rainfall monitoring device and used for providing electric energy; the PLC is communicated with an external administrator through the gateway of the Internet of things and is used for sending rainfall, river water level and water quality data to the administrator and receiving a control instruction of the administrator; the rainfall monitoring device is connected with the PLC and used for sending rainfall information of the position of 24 hours to the PLC; the water quality instrument processor is connected with the PLC, and is used for processing and calculating water quality data measured by the working bin after receiving an instruction of the PLC and sending the water quality data to the PLC; the Internet of things gateway module is connected with the antenna and used for accessing a 4G network by means of the antenna to realize data receiving and sending; the PLC is connected with the display screen and displays the working state and water quality information of each part of the device on site.
3. The automatic sampling and remote monitoring device for the river channel in the rainy day according to claim 2, wherein: the working bin comprises a second transverse partition plate B, a circulating water tank, a water taking pump, a water inlet pipe arranged on the water taking pump, a blocking cover arranged above the circulating water tank, a stirrer arranged below the blocking cover and a water quality instrument probe arranged on the right side wall of the circulating water tank; an overflow port is arranged at the left upper end of the circulating water tank, a water inlet is arranged on one side of the upper end of the circulating water tank, a water outlet is arranged on one side of the lower end of the circulating water tank, and an emptying water valve and a sample storage water valve are arranged at the water outlet; a circular hole is formed in the upper surface of the second transverse partition plate B, and the circulating water tank is arranged in the circular hole; the storage battery is respectively connected with the water taking pump, the stirrer and the water quality instrument probe and is used for providing electric energy; the emptying water valve and the sample storage water valve are both connected with the PLC and are respectively provided with a drain pipe and a sample storage water pipe; a water pipe is arranged between the water taking pump and the water inlet of the circulating water tank, an overflow pipe is arranged at the overflow port, and a water pipe is arranged at the water outlet of the circulating water tank; the water taking pump is connected with the PLC; the stirrer is connected with the PLC and is used for stirring; the water quality instrument probe is connected with the water quality instrument processor; the water quality instrument probe comprises a pH sensor, a dissolved oxygen sensor and a turbidity sensor, wherein the three sensors are respectively connected with the water quality instrument processor and used for transmitting detected water quality information of a corresponding river site, namely the pH value, the dissolved oxygen and the turbidity information of river water, to the water quality instrument processor for processing and then feeding back to the PLC.
4. The automatic sampling and remote monitoring device for the river channel in the rainy day according to claim 3, wherein: the sample reserving mechanism comprises a base fixedly mounted on the lower surface of the bottom of the cabinet body, a servo motor arranged on the upper portion of the base, a refrigerating box body arranged above the base, a circular rotary table arranged in the refrigerating box body, and an inclined upper surface of the rotary table, wherein 24 sample reserving holes are uniformly formed in the rotary table, 24 sample reserving bottles are assembled in the sample reserving holes, the sample reserving holes are vertical cylindrical and have the diameter of 10cm and are used for fixing the sample reserving bottles, a box door is arranged on the front side of the refrigerating box, a refrigerating compressor is arranged below the refrigerating box, a flow guide groove is formed in the lower surface of the refrigerating box, the box door is arranged on the front side of the refrigerating box, and a temperature sensor is arranged on one side of the lower surface in the; the servo motor is connected with the turntable; the storage battery is respectively connected with the refrigeration compressor and the servo motor and used for providing electric energy; the PLC is connected with the servo motor and is used for driving the rotary disc to rotate once when the PLC sends a sample reserving instruction, the servo motor drives the rotary disc to rotate for 15 degrees each time the servo motor rotates, an empty sample reserving bottle is rotated to a sample reserving water pipe, namely the position below the sample reserving water pipe, the sample reserving water valve is opened for 30s, sample water is injected into the sample reserving bottle, the sample reserving water valve is closed after 30s, the rotary disc rotates once again, the empty sample reserving bottle is rotated to the position below the sample reserving pipe, and the next sample reserving is waited; the PLC controller is further connected with the refrigeration compressor and used for controlling the compressor to work and ensuring that the interior of the refrigeration box is kept at a low temperature when waiting for next sample retention, sample water is ensured not to deteriorate, if water overflows, the surface of the inclined rotary disc flows to the diversion trench to discharge the refrigeration box, as long as the interior of the refrigeration box is filled with the sample water, the compressor is kept opened, the refrigeration compressor is started, and the temperature of the refrigeration box is controlled to be kept at 4 ℃.
5. The automatic sampling and remote monitoring device for the river channel in the rainy day according to claim 4, wherein: the sample retention bottle is a customized wide-mouth borosilicate glass bottle with the diameter of 9cm and the capacity of 500mL or 1000 mL.
6. The automatic sampling and remote monitoring device for the river channel in the rainy day according to claim 2, wherein: rainfall monitoring devices includes rainfall monitor probe and level gauge, rainfall monitor probe with the level gauge all with the PLC controller is connected, rainfall monitor probe senses the rainfall and is greater than 1mm min, rainfall monitor probe sends rainfall data and rainfall alarm information to the PLC controller, simultaneously, installs the level gauge in the river course and detects the river course water level change condition, to the PLC controller sends water level data to this judges the influence degree of current rainfall to the river course water level.
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| CN202020786918.4U CN212674891U (en) | 2020-05-12 | 2020-05-12 | Automatic sampling and remote monitoring device for river channel in rainy days |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994254A (en) * | 2022-06-01 | 2022-09-02 | 华北电力大学（保定） | City yardstick bioaerosol monitoring and early warning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994254A (en) * | 2022-06-01 | 2022-09-02 | 华北电力大学（保定） | City yardstick bioaerosol monitoring and early warning device |
| CN114994254B (en) * | 2022-06-01 | 2023-07-04 | 华北电力大学（保定） | Urban scale biological aerosol monitoring and early warning device |
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