CN111175464A - Water quality index vertical distribution monitoring system under pressure check and use method - Google Patents
Water quality index vertical distribution monitoring system under pressure check and use method Download PDFInfo
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- CN111175464A CN111175464A CN202010069197.XA CN202010069197A CN111175464A CN 111175464 A CN111175464 A CN 111175464A CN 202010069197 A CN202010069197 A CN 202010069197A CN 111175464 A CN111175464 A CN 111175464A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/086—Means for indicating or recording, e.g. for remote indication for remote indication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L2019/0053—Pressure sensors associated with other sensors, e.g. for measuring acceleration, temperature
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Abstract
The invention discloses a water quality index vertical distribution monitoring system under pressure check and a using method thereof, the system comprises a ship, a water quality instrument (201), a height-adjustable and length-adjustable supporting device (1) and a pulley system (2), wherein the height-adjustable and length-adjustable supporting device (1) is fixed on the ship and is connected with the pulley system (2), the pulley system (2) is matched with the height-adjustable and length-adjustable supporting device (1) to enable the water quality instrument (201) to realize lifting in the vertical direction, and the water quality instrument (201) is powered by solar energy (205) and is connected with a computer (204). The system has strong automation, saves manpower and material resources and has high efficiency.
Description
Technical Field
The invention relates to a water quality monitoring device and a using method thereof, in particular to a water quality index vertical distribution monitoring system under pressure check and a using method thereof.
Background
In open water bodies such as natural rivers and lakes, the quality of water quality has important influence on the ecological environment and the life of residents in one area. Through the research of water quality component, can in time discover the quality of water pollution situation of monitoring the water source, in case discover the water source pollution problem, can provide the first-hand data for administering the work, the rapid analysis pollution reason has important meaning to the processing scheme of water pollution accident formulate and implement.
The field monitoring of the environmental water quality is beneficial to timely finding out the problem of the water quality and timely taking measures to solve the problem. However, the problem of a lot of irregularities exists in the field monitoring process of environmental water quality, and the reliability and the accuracy of a water quality monitoring result are influenced. On-site water quality monitoring in the traditional sense adopts a water sample collection method, the sample collection mode comprises a section sampling mode, a middle sampling mode or a left-right sampling mode and the like, but the existing means directly samples at the shore or along the ship, so that the obtained sample is not representative, and the accuracy of the result is influenced. Moreover, the difference of the tools used in sampling can also affect the water quality monitoring result. The water sample collection tool generally comprises a plastic barrel, a ladle and the like, the water sample is required to be stored and transported to a laboratory for detection after being collected, and in the sample storage and transportation process, if the problems of improper sealing, temperature change, mixing pollution and the like exist, water quality monitoring data can deviate to a certain extent, so that the accuracy of results and the timeliness of information are influenced. For monitoring the vertical distribution of river and lake water quality indexes, in the prior art, a certain volume of water sample is manually taken from the edge of a ship to a certain depth of the river and lake and is transported back to a laboratory for monitoring. The conventional method shows some basic disadvantages: a. the human cost is high, and a large amount of water samples need to be taken every time the water goes out of the field. b. Sampling along the edge of the ship has certain danger coefficients, and finally obtained data is poor in timeliness.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a water quality index vertical distribution monitoring system under pressure check.
The invention also aims to provide a using method of the water quality index vertical distribution monitoring system under the pressure check.
The technical scheme is as follows: the invention provides a water quality index vertical distribution monitoring system under pressure check, which comprises a ship, a water quality instrument, a height-adjustable and length-adjustable supporting device and a pulley system, wherein the height-adjustable and length-adjustable supporting device is fixed on the ship and is connected with the pulley system, the pulley system is matched with the height-adjustable and length-adjustable supporting device to enable the water quality instrument to realize vertical lifting, and the water quality instrument is powered by solar energy and is connected with a computer.
Further, the outside of the water quality instrument is provided with a protection device with an opening at the bottom.
Further, uncovered protector in bottom includes tapered metal casing, top connecting coil, and the inner wall horizontal direction sets up the inside fixed pressure sensor of multilayer can be to the automatic open-close board in center, and when opening, the board is lived the quality of water appearance probe, and tapered metal casing seals, and is fashionable, releases the probe, and the peripheral water level of probe rises, and the quality of water appearance top is passed through the bolt fastening on tapered metal casing inner wall, and pressure sensor and open-close board all with computer wireless connection, the last configuration heavy object of tapered metal casing. Pressure sensor gives the computer with real-time data transmission, shows through the computer display screen, judges whether pressure is stable, and pressure stabilization signal transmission closes the board for automatic open-close board, carries out quality of water data monitoring this moment, analogizes from bottom to top layer upon layer, and this structure also can guarantee that the probe keeps vertical fixed when checking pressure. The automatic plate capable of opening and closing towards the center is the prior art, and the structural design of an automatic door can be referred to.
Furthermore, the height-adjustable and length-adjustable supporting device comprises a transverse telescopic metal rod and a vertical telescopic metal rod which are perpendicular to each other, and the vertical telescopic metal rod is fixed on the moving device.
Furthermore, a plurality of small holes are respectively formed in the transverse telescopic metal rod and the vertical telescopic metal rod, and the inclined rods are fixedly connected among the small holes.
Further, the pulley system comprises fixed pulleys, a coil winding device and a variable frequency motor which are respectively installed on the transverse telescopic metal rod and the vertical telescopic metal rod, one end of the coil is connected with the variable frequency motor, and the other end of the coil is connected with the water quality instrument by sequentially bypassing the two fixed pulleys.
Double-column coils are preferably selected by the coil winding device, and the coil steel wire is wound on the double columns, so that the problem that the experiment progress and efficiency are influenced by twisting the metal wire together in the winding and unwinding process is effectively solved.
Further, a track is arranged on a deck of the ship and used for threading various lines to avoid winding.
The application method of the water quality index vertical distribution monitoring system under the pressure check comprises the steps of utilizing GPS navigation to drive a ship to a position planned to be monitored in advance and needing to monitor the vertical distribution of water quality indexes of a water body, keeping the stability of the ship, installing a height and length adjustable supporting device, adjusting the height and the length, connecting the height and the length adjustable supporting device with a pulley system, connecting the pulley system with a water quality instrument, enabling the water quality instrument to be located above the water body, adjusting the direction of a variable frequency motor, enabling the water quality instrument to enter the water body for monitoring the water quality indexes, adjusting the direction of the variable frequency motor after the monitoring is finished, enabling the water quality instrument to move reversely to leave the water body, and then driving the ship to the next.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages:
(1) the invention utilizes the basic mechanical principle to monitor any cross section of the river and the lake on the ship in real time, and the water quality indexes from the water surface to the bottom of the water body are vertically distributed on the premise of accurately checking the pressure at different water levels. Only a small amount of labor (two persons are needed), simple structure, strong operability and high automation.
(2) The probe is connected with a computer, so that the vertical distribution of the water quality index of the section can be observed in situ in real time, if the data trend is poor, the probe can be taken out, the section is reselected and monitored in the nearby water body, repeated experiments can be carried out, and the reasonability of the data can be ensured in real time.
(3) The water quality instrument is provided with a protection device, so that the high-precision probe and the probe inside the water quality instrument are prevented from being damaged when the probe impacts bottom sediments when entering the bottom of a water body from the water surface. The inner wall is provided with a plurality of layers of inward-fixed pressure sensor automatic opening and closing plates capable of automatically opening and closing towards the center in the horizontal direction, when the opening is performed, the probe of the water quality instrument is clamped, the conical metal shell is closed, when the closing is performed, the probe is released, and the water level around the probe rises. And measuring the water quality index under the condition of accurate check.
(4) The pulley system can control the direction (entering the water body and leaving the water body) and the running speed (gears 1, 2, 3 and 4) of the probe, and can efficiently complete the vertical distribution monitoring of the water quality indexes of a plurality of sections.
(5) The height and length adjustable supporting device has strong flexibility, the initial placing position of the space of the probe can be controlled by extending and contracting, the probe can be detached at any time after the experiment is finished, and the limited space on the ship body is saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the adjustable height and length support device (1) and pulley system (2) of the present invention;
fig. 3 is a schematic structural view of the bottom open protection device of the present invention.
Detailed Description
The vertical distribution monitoring system of quality of water index under pressure check of this embodiment, including ship, quality of water appearance 201, height-adjustable and length strutting arrangement 1 and pulley system 2, height-adjustable and length strutting arrangement 1 fix on the ship to be connected with pulley system 2, pulley system 2 and height-adjustable and length strutting arrangement 1 cooperation make quality of water appearance 201 realize the lift of vertical direction, quality of water appearance 201 passes through solar energy 205 power supply and is connected with computer 204.
Further, the outside of the water quality instrument 201 is provided with a bottom opening protection device.
Further, the bottom opening protection device comprises a conical metal shell 303, a top connection coil is arranged on the top of the conical metal shell, a plurality of layers of internal fixed pressure sensors are arranged on the horizontal direction of the inner wall of the conical metal shell, the probe 304 of the water quality instrument 201 is clamped when the inner wall is opened, the conical metal shell 303 is closed, the probe 304 is released when the inner wall is closed, the water level around the probe 304 rises, the top of the water quality instrument 201 is fixed on the inner wall of the conical metal shell 303 through a bolt 300, the pressure sensors and the opening plate 301 are both in wireless connection with a computer, and a heavy object 302 is arranged on the conical metal shell 303. Pressure sensor gives the computer with real-time data transmission, shows through the computer display screen, judges whether pressure is stable, and pressure stabilization signal transmission closes for automatic open-close plate 301, carries out quality of water data monitoring this moment, analogizes from bottom to top layer upon layer, and this structure also can guarantee that the probe keeps vertical fixed when checking pressure. The automatic opening and closing plate 301 toward the center is a conventional art, and the structural design of the automatic door can be referred to.
Further, the height and length adjustable supporting device 1 comprises a transverse telescopic metal rod 102 and a vertical telescopic metal rod 100 which are perpendicular to each other, and the vertical telescopic metal rod 100 is fixed on the mobile device.
Furthermore, a plurality of small holes 104 are respectively arranged on the transverse telescopic metal rod 102 and the vertical telescopic metal rod 100, and an inclined rod 103 is fixedly connected between the small holes 104.
Further, the pulley system 2 comprises fixed pulleys 200, a coil winding device 202 and a variable frequency motor 203 which are respectively installed on the transverse telescopic metal rod 102 and the vertical telescopic metal rod 100, one end of the coil is connected with the variable frequency motor 203, and the other end of the coil is connected with the water quality instrument 201 by sequentially bypassing the two fixed pulleys 200.
Double-column coils are preferably selected by the coil winding device 202, and the coil steel wire is wound on the double columns, so that the problem that the experiment progress and efficiency are influenced because the metal wires are twisted together in the winding and unwinding processes is effectively solved.
Further, a track is arranged on a deck of the ship and used for threading various lines to avoid winding.
The use method of the water quality index vertical distribution monitoring system under pressure check in the embodiment comprises the following steps:
A. fixing a vertical telescopic metal rod 100 and a transverse telescopic metal rod 102 on a ship for preparing field experiments, adjusting the height according to requirements, fixing the vertical telescopic metal rod and the transverse telescopic metal rod by using rivets 101, and fixing a slash 103 on small holes 104 of the two telescopic metal rods to increase the stability;
B. assembling the fixed pulleys 200 of the transverse telescopic metal rod 102 and the vertical telescopic metal rod 100, connecting a metal wire of a coil to a variable frequency motor 203 capable of adjusting the rotation direction and speed, fixing a heavy object on a line segment of the top fixed pulley 200, at the moment, placing the object in a water body is not needed, performing a basic lifting test on a ship, and detecting whether the variable frequency motor 203 can complete the functions of changing the direction and the speed;
C. installing a water quality instrument 201, arranging a bottom opening protection device outside the water quality instrument 201, fixing the water quality instrument 201 on a bolt 300, clamping a probe of the water quality instrument 201 on a plate 301 which is capable of automatically opening toward the center and is internally provided with a pressure sensor, enabling the probe to enter water and monitoring water quality indexes, starting to detect pressure by the pressure sensor at the bottommost layer, observing the pressure stability by a computer, closing the plate, releasing the probe 304, enabling the water level around the probe 304 to rise, monitoring the water quality indexes of the secondary layer by the probe, starting to detect pressure by the pressure sensor at the secondary layer, and so on;
D. placing the water quality instrument 201 on a deck of a ship, starting the ship, navigating to a position planned to be monitored in a vertical direction of water quality indexes of a water body in advance by using a GPS, controlling the ship by one person in a cabin to maintain the stability of the ship, placing the water quality instrument 201 into water by the other person, adjusting the direction (lower) and the speed of a variable frequency motor, observing whether real-time monitoring data on a screen of a notebook computer 204 is stable by the person in the cabin, changing the direction (upper) and the speed of the variable frequency motor when the water quality instrument 201 is close to the bottom of the water body, rapidly ascending from the water body, and starting to monitor at the next monitoring point;
E. after the monitoring of all monitoring places is completed, the water quality instrument 201 is taken down, the transverse telescopic metal rod 102 and the vertical telescopic metal rod 100 are folded, the space on the ship is saved, and the water quality monitoring of all the field monitoring points is completed.
Claims (8)
1. A water quality index vertical distribution monitoring system under pressure check is characterized in that: the water quality instrument comprises a ship, a water quality instrument (201), a height-adjustable and length-adjustable supporting device (1) and a pulley system (2), wherein the height-adjustable and length-adjustable supporting device (1) is fixed on the ship and is connected with the pulley system (2), the pulley system (2) is matched with the height-adjustable and length-adjustable supporting device (1) to enable the water quality instrument (201) to achieve lifting in the vertical direction, and the water quality instrument (201) is powered through solar energy (205) and is connected with a computer (204).
2. The system for monitoring the vertical distribution of the water quality index under pressure check according to claim 1, which is characterized in that: the water quality instrument (201) is externally provided with a bottom opening protection device.
3. The system for monitoring the vertical distribution of the water quality index under pressure check according to claim 2, which is characterized in that: uncovered protector in bottom includes tapered metal casing (303), top connection coil, inner wall horizontal direction sets up inside fixed pressure sensor of multilayer can be to center automatic opening plate (301), when opening, quality of water appearance (201) probe (304) are lived to the integrated circuit board, tapered metal casing (303) seal, it is fashionable, release probe (304), probe (304) peripheral water level rises, quality of water appearance (201) top is passed through bolt (300) and is fixed on tapered metal casing (303) inner wall, pressure sensor and opening plate (301) all with computer wireless connection, dispose heavy object (302) on tapered metal casing (303).
4. The system for monitoring the vertical distribution of the water quality index under pressure check according to claim 1, which is characterized in that: the height-adjustable and length-adjustable supporting device (1) comprises a transverse telescopic metal rod (102) and a vertical telescopic metal rod (100) which are perpendicular to each other, and the vertical telescopic metal rod (100) is fixed on a moving device.
5. The system for monitoring the vertical distribution of the water quality index under pressure check according to claim 4, which is characterized in that: the transverse telescopic metal rod (102) and the vertical telescopic metal rod (100) are respectively provided with a plurality of small holes (104), and the inclined rods (103) are fixedly connected between the small holes (104).
6. The pressure-checked water quality index vertical distribution monitoring system according to claim 1 or 4, characterized in that: the pulley system (2) comprises fixed pulleys (200) respectively arranged on a transverse telescopic metal rod (102) and a vertical telescopic metal rod (100), a coil winding device (202) and a variable frequency motor (203), one end of the coil is connected with the variable frequency motor (203), and the other end of the coil is connected with a water quality instrument (201) by sequentially bypassing the two fixed pulleys (200).
7. The system for monitoring the vertical distribution of the water quality index under pressure check according to claim 1, which is characterized in that: the deck of the ship is provided with a track for threading various lines to avoid winding.
8. The use method of the water quality index vertical distribution monitoring system under pressure check according to any one of claims 1 to 7, characterized in that: utilize GPS navigation to go the ship to the position that plans in advance and need monitor the vertical distribution of water quality index, keep the stability of ship, but installation height-adjusting and length strutting arrangement (1), height-adjusting and length, and be connected with pulley system (2), pulley system (2) are connected with quality of water appearance (201) again, make quality of water appearance (201) be located the water top, adjust inverter motor's direction, make quality of water appearance (201) get into the water and carry out the monitoring of quality of water index, the direction of adjusting inverter motor after the monitoring finishes, make quality of water appearance (201) reverse motion leave the water, later drive the ship into next position of waiting to monitor and continue monitoring.
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Cited By (2)
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| CN114152280A (en) * | 2021-11-08 | 2022-03-08 | 吉林大学 | Tentacle type soft coral monitoring device |
| CN115144554A (en) * | 2022-06-02 | 2022-10-04 | 河海大学 | Multi-index monitoring system for terrain self-adaptive water body |
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| CN108318650A (en) * | 2018-03-02 | 2018-07-24 | 山东省淡水渔业研究院（山东省淡水渔业监测中心） | The adjustable water quality monitoring of depth, planktonic organism quantify layered sampling device and its method |
| CN207992189U (en) * | 2018-03-02 | 2018-10-19 | 山东省淡水渔业研究院（山东省淡水渔业监测中心） | The adjustable water quality monitoring of depth, planktonic organism quantify layered sampling device |
| CN209470923U (en) * | 2019-01-04 | 2019-10-08 | 三峡大学 | A kind of ecological water quality sampling device on the ship of field |
| CN209485776U (en) * | 2019-01-21 | 2019-10-11 | 南京交通职业技术学院 | Sampler is used in a kind of detection of municipal wastewater |
| CN209416337U (en) * | 2019-03-01 | 2019-09-20 | 浙江星天海洋科学技术有限公司 | Enter measuring instrument of the water from release probe floating measuring table and the application platform |
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| CN115144554A (en) * | 2022-06-02 | 2022-10-04 | 河海大学 | Multi-index monitoring system for terrain self-adaptive water body |
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