CN112577776B - Water intaking equipment for water quality testing - Google Patents
Water intaking equipment for water quality testing Download PDFInfo
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- CN112577776B CN112577776B CN202011321658.4A CN202011321658A CN112577776B CN 112577776 B CN112577776 B CN 112577776B CN 202011321658 A CN202011321658 A CN 202011321658A CN 112577776 B CN112577776 B CN 112577776B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The invention discloses water taking equipment for water quality detection, which comprises a main box, wherein a plurality of water taking grooves are formed in the main box, an inflation groove is formed in the upper end of each water taking groove, a water taking opening is formed in the side wall of each water taking groove, a water taking closing mechanism is arranged in each water taking groove, a measuring cavity is formed in the main box, a pressure measuring hole and a discharge hole are formed in the side wall of the measuring cavity, and a heating groove communicated with the inside of the measuring cavity is formed in the main box. Has the advantages that: according to the invention, the sealing plate is arranged, and the water taking tank is inflated by the inflation tank, so that the sealing plate seals the water leakage hole under the action of air pressure, and the sealing plate can move to take water only when the external air pressure is greater than the internal air pressure, so that the inflation pressure can be controlled to realize positioned water taking, relatively accurate depth-fixed water taking is realized, and the reliability and the comprehensiveness of monitoring data analysis are improved.
Description
Technical Field
The invention relates to the technical field of environmental monitoring, in particular to water taking equipment for water quality detection.
Background
The water quality monitoring is a process of monitoring and measuring the types of pollutants in the water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition; water quality sampling is an important link of water quality monitoring, and accurate extraction of water body samples at specific time and spatial positions is required;
when deep water is sampled, a plurality of layers of deep samples are often required to be sampled according to depth gradients, the existing sampling equipment has a single function, generally, a sample with one depth can be taken once, containers are required to be lowered for sampling for multiple times during layered sampling, time and labor are wasted, and water samples in other depth layers are easy to mix during taking out; the part uses electrical components such as solenoid valve to guarantee leakproofness and promotion operability, but electrical components leaks easily and damages at work under water, needs to design extremely reliable watertight fittings, even design watertight fittings, electrical components still can wet gradually, shortens life greatly, still has great defect, consequently needs a reliable water intaking equipment that can the layering sample urgently.
Disclosure of Invention
The invention aims to solve the problem of inconvenience in layered water taking in the prior art, and provides water taking equipment for water quality detection.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a water intaking equipment for water quality testing, includes the main tank, a plurality of water intaking grooves have been seted up to the inside of main tank, every the upper end of water intaking groove has all been seted up the inflation tank, every the intake has all been seted up to the lateral wall of water intaking groove, every the inside water intaking closing mechanism that all is equipped with of water intaking groove, the inside of main tank has been seted up and has been measured the chamber, measure the lateral wall in chamber and seted up pressure measurement hole and discharge hole, the inside heating bath with measuring intracavity inside intercommunication is seted up to the inside of main tank, it is equipped with pressure measurement mechanism to measure intracavity portion, there is the balancing weight bottom of main tank through connecting spring coupling, the outer wall of main tank is fixed with annular flotation cell, heating inslot portion inserts and is equipped with the heating strip that extends to flotation cell inside.
In foretell water intaking equipment for water quality testing, water intaking closing mechanism is including being fixed in the loading board of water intaking groove inner wall, the hole that leaks has been seted up to the upper end of loading board, the inner wall sealing sliding connection of water intaking groove has the closing plate, the inner wall of water intaking groove is fixed with the heating cabinet, the water inlet has been seted up to the upper end of heating cabinet, the upper end of heating cabinet is run through to be inserted and is equipped with the heat conduction strip, the inside sodium hydroxide granule that all fills of heating cabinet and heating cabinet, loading board upper portion and the inside dichloromethane solution that all fills of floating bag.
In foretell water intaking equipment for water quality testing, the pressure measurement mechanism is including being fixed in the baffle of measuring the intracavity wall, the lateral wall of baffle has the clamp plate through pressure measurement spring coupling, the measuring hole has been seted up to the lateral wall of baffle, the lateral wall of clamp plate is rotated through the torsional spring and is connected with the baffle, it is fixed with the trigger box to measure intracavity portion, the inner wall sealing sliding connection of trigger box has the push pedal, the upper end of push pedal is fixed with the pin.
In foretell water intaking equipment for water quality testing, the bottom of main tank is fixed with the piezoelectricity piece, it has electrorheological fluids to trigger incasement portion packing, the pin runs through trigger case upper portion and offsets with the baffle, the inside check valve that is equipped with of measuring hole, the sealed sliding connection of clamp plate and measuring chamber's inner wall.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the sealing plate is arranged and the water taking groove is inflated by the inflation groove, so that the sealing plate seals the water leakage hole under the action of air pressure, and the sealing plate can move to take water only when the external air pressure is greater than the internal air pressure, so that the inflation pressure can be controlled to realize positioned water taking, relatively accurate depth-fixed water taking is realized, and the reliability and the comprehensiveness of monitoring data analysis are improved;
2. according to the invention, by arranging the heating box, when water is taken in stages, water is fed into the heating box, so that sodium hydroxide particles are dissolved and heat is released, heat is transferred to dichloromethane through the heat conducting strip, the dichloromethane is heated and gasified, the air pressure in the water taking groove is increased suddenly, the water taking opening is sealed again by the sealing plate, external water flow does not enter any more, the purity of a water source after water taking is ensured, the water source is not mixed with water flows at other depths, and the detection quality is improved;
3. according to the invention, by arranging the piezoelectric blocks, after the piezoelectric blocks sink to the lake bottom, the piezoelectric blocks are impacted to generate electricity, so that the baffle is limited, the pressing plate moves under the action of external water pressure, water enters the heating tank, the temperature in the heating tank is rapidly raised, dichloromethane in the floating bag absorbs heat and is gasified, the expansion buoyancy of the floating bag is increased, the whole device automatically floats upwards, and the collection is convenient;
4. according to the invention, the pressure measuring spring is arranged, under the action of the water pressure of the lake bottom, the pressure measuring spring is caused to continuously contract by the movement of the pressing plate until the elasticity of the pressure measuring spring is the same as the water pressure, and the contraction distance of the pressure measuring spring can be reversely calculated through the volume of the extruded water flow, so that the water pressure of the lake bottom can be measured and calculated according to the contraction distance of the pressure measuring spring, the depth of the lake bottom can be reversely calculated, the depth of a water area can be obtained in an unknown water area, and the monitoring of the water area is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a water intake device for water quality detection according to the present invention;
FIG. 2 is a sectional view taken along the direction A in FIG. 1;
fig. 3 is a schematic structural view of a partition portion in a water intake apparatus for water quality detection according to the present invention.
In the figure: the device comprises a main box 1, a water taking tank 2, an inflation tank 3, a water taking port 4, a bearing plate 5, a water leakage hole 6, a sealing plate 7, a heating box 8, a water inlet 9, a heat conduction strip 10, a connecting spring 11, a balancing weight 12, a measuring cavity 13, a pressure measuring hole 14, a discharge hole 15, a heating tank 16, a floating bag 17, a heating strip 18, a partition plate 19, a piezoelectric block 20, a measuring hole 21, a baffle 22, a trigger box 23, a push plate 24, a stop lever 25, a pressure measuring spring 26 and a pressure plate 27.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-3, a water intaking equipment for water quality testing, including main tank 1, a plurality of water intaking grooves 2 have been seted up to main tank 1's inside, inflation tank 3 has all been seted up to the upper end of every water intaking groove 2, be equipped with manual valve in the inflation tank 3, water intaking mouth 4 has all been seted up to the lateral wall of every water intaking groove 2, the inside water intaking closing mechanism that all is equipped with of every water intaking groove 2, measurement chamber 13 has been seted up to main tank 1's inside, pressure measurement hole 14 and discharge hole 15 have been seted up to the lateral wall of measuring chamber 13, be equipped with manual valve in the discharge hole 15, main tank 1's inside heating bath 16 with the inside intercommunication in measurement chamber 13 is seted up, the inside pressure measurement mechanism that is equipped with in measurement chamber 13, main tank 1's bottom is connected with balancing weight 12 through connecting spring 11, main tank 1's outer wall is fixed with annular buoyancy bag 17, heating bath 16 inside is inserted and is equipped with the heating strip 18 that extends to buoyancy bag 17.
Water intaking closing mechanism is including being fixed in the loading board 5 of 2 inner walls in water intaking groove, the hole 6 that leaks has been seted up to the upper end of loading board 5, the inner wall sealing sliding connection in water intaking groove 2 has closing plate 7, the inner wall of water intaking groove 2 is fixed with heating cabinet 8, water inlet 9 has been seted up to the upper end of heating cabinet 8, the upper end of heating cabinet 8 is run through and is inserted and be equipped with heat conduction strip 10, heating cabinet 8 and 16 inside all packings in heating cabinet have the sodium hydroxide granule, the inside dichloromethane solution that all packs of loading board 5 upper portion and floating bag 17.
The pressure measuring mechanism is including being fixed in the baffle 19 of measuring the intracavity 13 inner wall, the lateral wall of baffle 19 is connected with clamp plate 27 through pressure measuring spring 26, be full of water between clamp plate 27 and baffle 19, pressure measuring spring 26 is in original length at the beginning, and clamp plate 27 seals pressure cell 14, measuring hole 21 has been seted up to the lateral wall of baffle 19, the lateral wall of clamp plate 27 is connected with baffle 22 through the torsional spring rotation, it is fixed with trigger box 23 to measure intracavity 13 inside, the sealed sliding connection of inner wall of trigger box 23 has push pedal 24, the upper end of push pedal 24 is fixed with pin 25.
The piezoelectric block 20 is fixed at the bottom of the main box 1, the piezoelectric block 20 is piezoelectric ceramic, electrorheological fluid is filled in the trigger box 23, a stop lever 25 penetrates through the upper part of the trigger box 23 and abuts against the baffle 22, a one-way valve is arranged in the measuring hole 21, backflow of extruded water under the action of pressure is avoided, the accuracy of measured data is guaranteed, a water injection pipe is arranged on the side wall of the measuring cavity 13, water can be added between the pressing plate 27 and the partition plate 19, the measurement can be repeatedly measured and used, the pressing plate 27 is connected with the inner wall of the measuring cavity 13 in a sealing and sliding mode, the piezoelectric block 20 can cause solidification expansion of the electrorheological fluid after impact, although expansion deformation of the electrorheological fluid is instantly completed and recovered, the stop lever 25 is L-shaped, after the electrorheological fluid is moved away from the baffle 22, the baffle 22 deflects, the fallen stop lever 25 can not assist the baffle 22 to seal the hole 21 any more, therefore, and is not influenced, after subsequent water taking is finished, the baffle 22 automatically rotates and is obstructed by the stop lever 25, and the piezoelectric block 20 is impacted again to drive the stop lever 25 to make the measurement lever 25 move forward and recover.
In the invention, when in actual use, according to the depth of a water source to be taken, the water pressure of response depth can be measured by utilizing a water pressure and water depth formula, so that the air is filled into the water taking tank 2 from the air filling tank 3, the pressure inside the water taking tank 2 is equal to the water pressure of a required position, the air pressure inside the water taking tank 2 can be simply measured by a barometer, the supplement is not carried out again, the numerical value is relatively accurate, and the water taking depth can be ensured to be relatively accurate;
after the aeration is finished, the main tank 1 can be horizontally placed into water, the main tank 1 can smoothly sink under the action of the counter weight block 12 and the self gravity, when the specified depth is reached, the surrounding water pressure reaches the air pressure value inside the water taking tank 2, so that when the main tank 1 reaches the position close to the required position, the sealing plate 7 moves towards the inside of the water taking tank 2 under the action of the difference of internal and external pressure, the water leakage hole 6 is not sealed any more, and external lake water can enter the lower space of the bearing plate 5 through the water taking hole 4, so that the water taking is finished;
along with the increase of the water intake amount, water flow enters the heating box 8 through the water inlet 9, so that a large amount of heat is generated after sodium hydroxide particles in the heating box 8 are contacted with water, the temperature in the heating box 8 is sharply increased, the heat conducting strip 10 transfers the heat to dichloromethane solution on the upper part of the bearing plate 5, dichloromethane is gasified in a heat absorption manner, the air pressure in the water intake groove 2 is sharply increased and far higher than the water pressure, the sealing plate 7 is pushed to move, the sealing plate 7 seals the water leakage holes 6 again, the water intake at the appointed position is finished, the water intake at the subsequent depth does not enter the water intake groove 2 any more, the effective separation of the water intake at each position is ensured, and the accuracy of subsequent detection is ensured;
in the process of sinking the main tank 1, under the action of gravity acceleration, the main tank 1 will make accelerated motion, so that after the main tank 1 sinks, the counterweight block 12 will collide with the piezoelectric block 20 relatively violently, so that the piezoelectric block 20 instantly generates high pressure, and after applying the electrorheological fluid, the solidification and expansion of the electrorheological fluid will be caused, so that the electrorheological fluid pushes the stop rod 25 to move upwards, so that the stop rod 25 is separated from the position of the baffle 22, so that the baffle 22 is no longer obstructed by the stop rod 25, and at this moment, the external water pressure is large, the pressing plate 27 actually receives a large water pressure effect, because the baffle 22 cannot rotate, the measuring hole 21 is blocked, so that the pressing plate 27 cannot move, and after the pressure measurement of the baffle 22 is not limited, under the external water pressure effect, the pressing plate 27 will compress the spring 26 and slide towards the inside of the measuring cavity 13, the water flow on one side of the partition plate 19 close to the pressure plate 27 enters the other side of the partition plate 19 through the measuring hole 21 under the pushing of the pressure plate 27, the pressure plate 27 is acted by the elastic force of the pressure measuring spring 26 and the external water pressure at the moment, after the acting force of the pressure measuring spring 26 and the external water pressure is balanced, the pressure plate 27 stops moving and does not go deep any more, and in this state, the water flow passing through the measuring hole 21 is determined and no addition or loss exists subsequently, so that the volume of the part of the water flow is measured, the actual moving distance of the pressure measuring spring 26 can be measured by combining the sectional area of the measuring cavity 13, the actual spring elastic force can be measured according to a formula of the spring elastic force and the compression distance, the lake bottom water pressure is obtained by matching, the lake bottom depth is measured, the water depth data of the water area can be obtained while the water quality collection of unknown water areas is carried out, and the subsequent monitoring is convenient;
and when clamp plate 27 removed, outside rivers will get into through pressure cell 14 to flow into in the heating tank 16 for the heat production of the inside sodium hydroxide granule of heating tank 16, this heat is transferred to floating bag 17 in through heating strip 18, makes the dichloromethane in it be heated gasification, and then makes floating bag 17 gently expand, is greater than gravity until holistic buoyancy, makes main tank 1 can come up automatically, is convenient for collect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (2)
1. A water taking device for water quality detection comprises a main box (1), and is characterized in that a plurality of water taking grooves (2) are formed in the main box (1), an inflation groove (3) is formed in the upper end of each water taking groove (2), a water taking opening (4) is formed in the side wall of each water taking groove (2), a water taking sealing mechanism is arranged in each water taking groove (2), a measuring cavity (13) is formed in the main box (1), a pressure measuring hole (14) and a discharge hole (15) are formed in the side wall of the measuring cavity (13), a heating groove (16) communicated with the inside of the measuring cavity (13) is formed in the main box (1), a pressure measuring mechanism is arranged in the measuring cavity (13), the bottom of the main box (1) is connected with a balance weight (12) through a connecting spring (11), an annular floating bag (17) is fixed on the outer wall of the main box (1), and a heating strip (18) extending into the floating bag (17) is inserted in the heating groove (16);
the pressure measuring mechanism comprises a partition plate (19) fixed on the inner wall of a measuring cavity (13), the side wall of the partition plate (19) is connected with a pressing plate (27) through a pressure measuring spring (26), the side wall of the partition plate (19) is provided with a measuring hole (21), the side wall of the pressing plate (27) is rotatably connected with a baffle plate (22) through a torsion spring, a trigger box (23) is fixed inside the measuring cavity (13), the inner wall of the trigger box (23) is connected with a push plate (24) in a sealing sliding mode, and a stop lever (25) is fixed at the upper end of the push plate (24);
the bottom of the main box (1) is fixed with a piezoelectric block (20), electrorheological fluid is filled in the trigger box (23), the stop lever (25) penetrates through the upper part of the trigger box (23) and abuts against the baffle (22), a one-way valve is arranged in the measuring hole (21), and the pressure plate (27) is in sealed sliding connection with the inner wall of the measuring cavity (13).
2. The water taking equipment for water quality detection according to claim 1, wherein the water taking sealing mechanism comprises a bearing plate (5) fixed on the inner wall of the water taking tank (2), a water leakage hole (6) is formed in the upper end of the bearing plate (5), a sealing plate (7) is connected to the inner wall of the water taking tank (2) in a sealing and sliding manner, a heating box (8) is fixed on the inner wall of the water taking tank (2), a water inlet (9) is formed in the upper end of the heating box (8), a heat conducting strip (10) is inserted into the upper end of the heating box (8) in a penetrating manner, sodium hydroxide particles are filled in the heating box (8) and the heating tank (16), and dichloromethane solution is filled in the upper part of the bearing plate (5) and the floating bag (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011321658.4A CN112577776B (en) | 2020-11-23 | 2020-11-23 | Water intaking equipment for water quality testing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011321658.4A CN112577776B (en) | 2020-11-23 | 2020-11-23 | Water intaking equipment for water quality testing |
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| CN112577776A CN112577776A (en) | 2021-03-30 |
| CN112577776B true CN112577776B (en) | 2023-04-18 |
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| CN202011321658.4A Active CN112577776B (en) | 2020-11-23 | 2020-11-23 | Water intaking equipment for water quality testing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113447320B (en) * | 2021-08-31 | 2021-10-29 | 南通鑫铭环保技术有限公司 | Layered sampling device for wastewater detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208125428U (en) * | 2018-04-10 | 2018-11-20 | 湖北千里目检测技术有限公司 | A kind of automatic water sampler |
| CN208763648U (en) * | 2018-09-25 | 2019-04-19 | 陕西延安石油天然气有限公司 | A kind of compact oil reservoir subsurface pressure determining device |
| CN210347240U (en) * | 2019-07-18 | 2020-04-17 | 南京晶莹环境检测科技有限公司 | Water sample collecting device for water quality detection |
| CN110672371B (en) * | 2019-11-02 | 2022-06-28 | 浙江华圭环境检测有限公司 | Unmanned aerial vehicle environment detecting device |
| CN211148139U (en) * | 2019-12-11 | 2020-07-31 | 中国煤炭地质总局第三水文地质队 | Underground water sample depthkeeping collection system |
| CN110954668A (en) * | 2019-12-25 | 2020-04-03 | 颜若愚 | Water intake device for water quality monitoring |
| CN211527919U (en) * | 2020-01-23 | 2020-09-18 | 广东海洋大学 | Sampling device for ocean water body detection |
| CN111766118B (en) * | 2020-08-18 | 2023-12-19 | 蔚蓝计划(北京)科技有限公司 | Multilayer water taking equipment for water quality monitoring |
| CN111896321B (en) * | 2020-08-18 | 2023-12-29 | 贵州筑水环境监测有限公司 | Accurate water taking equipment for water quality monitoring |
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Effective date of registration: 20230331 Address after: 511447 B501, Xinghui Complex Building, south of memorial archway, Guanqiao Village, Shilou Town, Panyu District, Guangzhou City, Guangdong Province Applicant after: Guangdong Yueqiu Testing Technology Co.,Ltd. Address before: Nanjing University of information technology, 219 ningliu Road, Pukou District, Nanjing, Jiangsu Province, 211800 Applicant before: Zheng Xiaoqun |
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