CN114518259A - Multiple sampling device for water quality testing - Google Patents
Multiple sampling device for water quality testing Download PDFInfo
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- CN114518259A CN114518259A CN202210074423.2A CN202210074423A CN114518259A CN 114518259 A CN114518259 A CN 114518259A CN 202210074423 A CN202210074423 A CN 202210074423A CN 114518259 A CN114518259 A CN 114518259A
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- box body
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/115—Caps
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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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
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Physics & Mathematics (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of water quality detection, and particularly relates to a multiple sampling device for water quality detection. The negative pressure pump can generate negative pressure in the glass bottle, so that water can be introduced into the glass bottle, the glass bottles are simultaneously provided and can be separately sampled, the situation that the detection precision at the later stage is influenced due to water source doping is effectively avoided, multiple sampling is realized, the situation that the detection effect is influenced due to repeated sampling is avoided, and meanwhile, the glass bottles are arranged in the inner cavity of the box body, so that the glass bottle box can be effectively protected.
Description
Technical Field
The invention relates to the technical field of water quality detection, in particular to a multiple sampling device for water quality detection.
Background
The purpose of water quality inspection is to examine the quality of the environment, to investigate whether water quality is suitable or suitable, to examine the pollution or the degree of pollution of water, to examine the efficiency of a water treatment process, and the like. The inspection items (which can be called water quality parameters) of the water sample depend on the inspection purpose and the properties of the water sample. The data obtained should be evaluated synthetically to illustrate the water quality.
Need take a sample to the water source before current water quality testing, thereby need use sampling device, current sampling device structure is more single, when some need multiple spot samples, need repetitious use sampling device many times, but can remain the water on last water source place in the sampling device after the single use, thereby can mix in another group water sample during the secondary sampling, thereby can lead to influencing the precision that detects at last, current sampling device does not possess sealed effect after using simultaneously, thereby the dust gets into easily, influence later stage result of use easily. For this reason, new technical solutions need to be designed to solve the problems.
Disclosure of Invention
The invention aims to provide a multiple sampling device for water quality detection, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a multiple sampling device for water quality detection comprises a box body, wherein glass bottles are fixedly arranged in the inner cavity of the box body, the number of the glass bottles is four, the four groups of glass bottles are fixedly connected side by side, and the outer walls of the glass bottles positioned on the outer side are fixedly connected with the side wall of the inner cavity of the box body;
the bottom of the glass bottle is fixedly communicated with a first short pipe, the outer wall of the first short pipe is fixedly provided with a first electromagnetic valve, the tail end of the first short pipe is fixedly communicated with a hose, the tail end of the hose penetrates through the box body and is fixedly communicated with a second short pipe, the bottom of the inner cavity of the box body, which is close to the hose, is fixedly provided with an electric push rod, the tail end of the electric push rod penetrates through the box body and is fixedly connected with a cross rod, the outer end of the cross rod is fixedly provided with a fixed block, the left side wall of the fixed block is embedded with a motor, the outer end of a transmission shaft of the motor is fixedly connected with the outer wall of the second short pipe, and the inner wall of the glass bottle is fixedly provided with a liquid level sensor;
the top of the box body is fixedly provided with a negative pressure pump, the outer end of the negative pressure pump penetrates through the top of the box body through a pipeline and is fixedly communicated with a four-way pipe, the tail ends of the four-way pipe are respectively communicated with the tops of the four groups of glass bottles, the four tail ends of the four-way pipe are respectively fixed with a second electromagnetic valve, and the outer wall of the box body is fixedly provided with a controller;
the signal output end of the liquid level sensor is connected with the signal input end of the controller, and the signal output end of the controller is connected with the signal input ends of the negative pressure pump, the electric push rod, the first electromagnetic valve and the second electromagnetic valve respectively.
As a preferred embodiment of the present invention, a groove is formed in the bottom of the box body at the rear side of the second short pipe, and a rubber pad is fixedly mounted in an inner cavity of the groove.
In a preferred embodiment of the present invention, an air inlet pipe is fixedly communicated with the left side of the top of the glass bottle, and a third electromagnetic valve is fixedly mounted on the outer wall of the air inlet pipe.
In a preferred embodiment of the present invention, the outer wall of the four-way pipe is fixedly communicated with a cleaning pipe, the outer end of the cleaning pipe penetrates through the tank body and is fixedly communicated with a connector, and the outer wall of the cleaning pipe is fixedly provided with a fourth electromagnetic valve.
In a preferred embodiment of the present invention, a discharge pipe is fixedly communicated with a lower side of a back surface of the glass bottle, the discharge pipe penetrates through the box body and extends to an outer side of the box body, and a fifth electromagnetic valve is fixedly arranged on an outer wall of the discharge pipe.
In a preferred embodiment of the present invention, a through hole is formed in a bottom of the box corresponding to the hose, and an inner diameter of the through hole is larger than an outer diameter of the hose.
As a preferred embodiment of the present invention, a handle is fixed to the top of the box body, and a rubber sleeve for preventing slipping is fixedly sleeved on the outer wall of the handle.
As a preferred embodiment of the present invention, the corners of the outer wall of the box body are fixedly sleeved with adaptive sponge sleeves.
As a preferred embodiment of the present invention, the box body has a double-layer structure, and a heating wire is disposed in a clamping cavity of the box body.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, negative pressure can be generated in the glass bottle through the negative pressure pump, so that water can be introduced into the glass bottle, a plurality of glass bottles are arranged at the same time, and single sampling can be separately carried out, so that the situation that the detection precision at the later stage is influenced due to water source doping is effectively avoided, multiple sampling is realized, the situation that the detection effect is influenced due to repeated sampling is avoided, and meanwhile, a plurality of glass bottles are arranged in the inner cavity of the box body, so that the glass bottle box can be effectively protected, and the device has the advantages of compact integral structure, small volume and convenience in carrying and storage.
2. The electric push rod can drive the second short pipe to extend out, so that sampling can be performed at different positions, the motor is used for driving the second short pipe to rotate, and then the electric push rod retracts, so that the second short pipe can be inserted into the groove and is sealed through the rubber pad in the groove, dust invasion can be effectively avoided, and the influence caused by dust when the electric push rod is used again can be further ensured.
3. The cleaning tube is arranged, so that the cleaning tube is conveniently connected with an external cleaning liquid pipeline, cleaning liquid is conveniently introduced for cleaning, the glass bottle can be quickly cleaned, and meanwhile, the cleaning tube is matched with high-temperature drying to avoid residual water stain, so that the cleanliness of the glass bottle in the next use can be ensured, and the detection accuracy after sampling is further ensured.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic cross-sectional view of a multi-sampling device for water quality detection according to the present invention;
FIG. 2 is a schematic view of a cross bar and a second short pipe connecting structure of the multiple sampling device for water quality detection of the present invention;
FIG. 3 is a schematic view of the bottom structure of a box body of the multiple sampling device for water quality detection of the present invention;
FIG. 4 is a schematic view of the back structure of a glass bottle of the multiple sampling device for water quality detection of the present invention.
In the figure: 1. a box body; 2. a glass bottle; 3. a first short pipe; 4. a hose; 5. a second short pipe; 6. an electric push rod; 7. a cross bar; 8. a first solenoid valve; 9. a four-way pipe; 10. a negative pressure pump; 11. a second solenoid valve; 12. an air inlet pipe; 13. a third electromagnetic valve; 14. a controller; 15. a handle; 16. a rubber sleeve; 17. cleaning the tube; 18. a fourth solenoid valve; 19. a fixed block; 20. a motor; 21. a liquid level sensor; 22. a groove; 23. a rubber pad; 24. a discharge pipe; 25. and a fifth solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations, the model of the electrical appliance provided in the present invention is only referred to, and different models of electrical appliances with the same function can be replaced according to the actual use situation.
Referring to fig. 1-4, the present invention provides a technical solution: a multiple sampling device for water quality detection comprises a box body 1, wherein glass bottles 2 are fixedly arranged in an inner cavity of the box body 1, the number of the glass bottles 2 is four, the four groups of glass bottles 2 are fixedly connected side by side, and the outer walls of the glass bottles 2 positioned on the outer side are fixedly connected with the side wall of the inner cavity of the box body 1;
the bottom of the glass bottle 2 is fixedly communicated with a first short pipe 3, the outer wall of the first short pipe 3 is fixedly provided with a first electromagnetic valve 8, the tail end of the first short pipe 3 is fixedly communicated with a hose 4, the tail end of the hose 4 penetrates through the box body 1 and is fixedly communicated with a second short pipe 5, the bottom of the inner cavity of the box body 1, which is close to the hose 4, is fixedly provided with an electric push rod 6, the tail end of the electric push rod 6 penetrates through the box body 1 and is fixedly connected with a cross rod 7, the outer end of the cross rod 7 is fixedly provided with a fixed block 19, the left side wall of the fixed block 19 is embedded with a motor 20, the outer end of a transmission shaft of the motor 20 is fixedly connected with the outer wall of the second short pipe 5, and the inner wall of the glass bottle 2 is fixedly provided with a liquid level sensor 21;
specifically, the liquid level sensor 21 can detect the water level inside the glass bottle 2, so that quantitative sampling is realized, multiple sampling can be realized due to the arrangement of the plurality of glass bottles 2, and the independent sampling of the plurality of glass bottles 2 is not influenced, so that the influence of water resource doping on the detection effect is avoided;
the top of the box body 1 is fixedly provided with a negative pressure pump 10, the outer end of the negative pressure pump 10 penetrates through the top of the box body 1 through a pipeline and is fixedly communicated with a four-way pipe 9, the tail ends of the four-way pipe 9 are respectively communicated with the tops of the four groups of glass bottles 2, the four tail ends of the four-way pipe 9 are respectively fixed with a second electromagnetic valve 11, the outer wall of the box body 1 is fixedly provided with a controller 14, and the negative pressure pump 10 can generate negative pressure, so that water can be introduced into the glass bottles 2 to realize sampling;
the signal output end of the liquid level sensor 21 is connected with the signal input end of the controller 14, and the signal output end of the controller 14 is respectively connected with the signal input ends of the negative pressure pump 10, the electric push rod 6, the first electromagnetic valve 8 and the second electromagnetic valve 11;
the bottom of box 1 is located the rear side department of second nozzle stub 5 and has seted up recess 22, recess 22's inner chamber fixed mounting has rubber pad 23, the fixed intercommunication in top left side of glass bottle 2 has intake pipe 12, the outer wall fixed mounting of intake pipe 12 has third solenoid valve 13, the outer wall fixed intercommunication of four-way pipe 9 has scavenge pipe 17, the outer end of scavenge pipe 17 runs through box 1 and fixed intercommunication has the connector, the outer wall fixed mounting of scavenge pipe 17 has fourth solenoid valve 18, the fixed intercommunication in back downside of glass bottle 2 has discharging pipe 24, discharging pipe 24 runs through box 1 and extends to the outside of box 1, discharging pipe 24's outer wall is fixed with fifth solenoid valve 25.
In the invention, when sampling, one group of the electric push rods 6 is firstly started to drive the second short pipes 5 to descend so as to enable the position to be lower than the other groups of the second short pipes 5, then the first solenoid valve 8 and the second solenoid valve 11 corresponding to the second short pipe 5 are opened, then the negative pressure pump 10 is started, thereby generating negative pressure, inserting the second short pipe 5 into the water source, thereby leading water into the glass bottle 2 by using the negative pressure, then, water is continuously introduced, when a certain water level is reached, the liquid level sensor 21 feeds back a signal to the controller 14, the controller 14 turns off the negative pressure pump 10, the first solenoid valve 8 and the second solenoid valve 11 are closed at the same time, and the controller 14 will activate the corresponding electric push rod 6 to drive the second short pipe 5 to reset, then, when sampling again, the other group of electric push rods 6 is started again to drive the other group of second short pipes 5 to descend, and then the operation is repeated, so that multiple sampling can be realized;
when water of a water sample needs to be led out, the third electromagnetic valve 13 is opened, and the fifth electromagnetic valve 25 is opened at the same time, so that the water in the corresponding glass bottle 2 can be led out through the discharge pipe 24, and discharging is realized;
when the device is not using, can open first solenoid valve 8, scavenge pipe 17 and external clearance liquid pipeline intercommunication simultaneously, then wash in getting into glass bottle 2 through the washing liquid, thereby can reach clear function to it, when wasing the back and need not to use, electricity push rod 6 drives second nozzle stub 5 decline this moment, then motor 20 drives the upset of second nozzle stub 5, then electricity push rod 6 drives second nozzle stub 5 after the upset and rises, peg graft in recess 22, thereby support and realize sealedly in rubber pad 23 bottom, avoid the dust to get into second nozzle stub 5 and cause the influence to the later stage sampling.
In an alternative embodiment, a through hole is formed in the bottom of the box body 1 corresponding to the hose 4, and the inner diameter of the through hole is larger than the outer diameter of the hose 4.
It should be noted that the flexible tube 4 is effectively secured to be freely extendable and retractable.
In an alternative embodiment, a handle 15 is fixed on the top of the box body 1, and a rubber sleeve 16 for skid resistance is fixedly sleeved on the outer wall of the handle 15.
It should be noted that, the handle 15 is arranged to facilitate the hand-held operation of the user, and the rubber sleeve 16 is arranged to improve the hand feeling and prevent the slipping.
In an optional embodiment, the corners of the outer wall of the box body 1 are fixedly sleeved with adaptive sponge sleeves.
It should be noted that the sponge cover can be protected to avoid the danger of sharp-pointed.
In an alternative embodiment, the box body 1 is a double-layer structure, and heating wires are arranged in a clamping cavity of the box body 1.
The heating wire is provided so that the glass bottle 2 can be dried by heating after it is washed.
In addition, the parts of the multiple sampling device for water quality detection of the invention are all universal standard parts or parts known by technicians in the field, the structure and the principle of the multiple sampling device can be known by technicians in the technical manual or by conventional experimental methods, at the idle position of the device, all the electric devices refer to power elements, electric devices, adaptive monitoring computers and power supplies which are connected through leads, the specific connection means refers to the following working principle, the electric connection is completed by the sequence of the working sequence among the electric devices, the detailed connection means is the known technology in the field, the working principle and the process are mainly introduced in the following, and the electric control is not explained.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a water quality testing uses multiple sampling device, includes box (1), its characterized in that: glass bottles (2) are fixedly arranged in the inner cavity of the box body (1), the number of the glass bottles (2) is four, the four groups of glass bottles (2) are fixedly connected side by side, and the outer wall of the glass bottle (2) positioned on the outer side is fixedly connected with the side wall of the inner cavity of the box body (1);
the bottom of the glass bottle (2) is fixedly communicated with a first short pipe (3), the outer wall of the first short pipe (3) is fixed with a first electromagnetic valve (8), the tail end of the first short pipe (3) is fixedly communicated with a hose (4), the tail end of the hose (4) penetrates through the box body (1) and is fixedly communicated with a second short pipe (5), an electric push rod (6) is fixed at the bottom of the inner cavity of the box body (1) close to the hose (4), the tail end of the electric push rod (6) penetrates through the box body (1) and is fixedly connected with a cross rod (7), a fixed block (19) is fixed at the outer end of the cross bar (7), a motor (20) is embedded in the left side wall of the fixed block (19), the outer end of a transmission shaft of the motor (20) is fixedly connected with the outer wall of the second short pipe (5), and a liquid level sensor (21) is fixed on the inner wall of the glass bottle (2);
a negative pressure pump (10) is fixedly mounted at the top of the box body (1), the outer end of the negative pressure pump (10) penetrates through the top of the box body (1) through a pipeline and is fixedly communicated with a four-way pipe (9), the tail ends of the four-way pipe (9) are respectively communicated with the tops of the four groups of glass bottles (2), second electromagnetic valves (11) are fixed at the four tail ends of the four-way pipe (9), and a controller (14) is fixedly mounted on the outer wall of the box body (1);
the signal output end of the liquid level sensor (21) is connected with the signal input end of the controller (14), and the signal output end of the controller (14) is connected with the signal input ends of the negative pressure pump (10), the electric push rod (6), the first electromagnetic valve (8) and the second electromagnetic valve (11) respectively.
2. The multiple sampling device for water quality detection according to claim 1, characterized in that: a groove (22) is formed in the position, located on the rear side of the second short pipe (5), of the bottom of the box body (1), and a rubber pad (23) is fixedly mounted in the inner cavity of the groove (22).
3. The multiple sampling device for water quality detection according to claim 1, characterized in that: the glass bottle is characterized in that the left side of the top of the glass bottle (2) is fixedly communicated with an air inlet pipe (12), and a third electromagnetic valve (13) is fixedly mounted on the outer wall of the air inlet pipe (12).
4. The multiple sampling device for water quality detection according to claim 1, characterized in that: the outer wall fixed intercommunication of four-way pipe (9) has wash pipe (17), the outer end of wash pipe (17) runs through box (1) and fixed intercommunication has the connector, the outer wall fixed mounting of wash pipe (17) has fourth solenoid valve (18).
5. The multiple sampling device for water quality detection according to claim 1, characterized in that: the glass bottle is characterized in that a discharge pipe (24) is fixedly communicated with the lower side of the back face of the glass bottle (2), the discharge pipe (24) penetrates through the box body (1) and extends to the outer side of the box body (1), and a fifth electromagnetic valve (25) is fixed on the outer wall of the discharge pipe (24).
6. The multiple sampling device for water quality detection according to claim 1, characterized in that: the bottom of the box body (1) is provided with a through hole corresponding to the hose (4), and the inner diameter of the through hole is larger than the outer diameter of the hose (4).
7. The multiple sampling device for water quality detection according to claim 1, characterized in that: the anti-skid box is characterized in that a handle (15) is fixed to the top of the box body (1), and a rubber sleeve (16) used for skid resistance is fixedly sleeved on the outer wall of the handle (15).
8. The multiple sampling device for water quality detection according to claim 1, characterized in that: sponge sleeves matched with the box bodies are fixedly sleeved at the corners of the outer walls of the box bodies (1).
9. The multiple sampling device for water quality detection according to claim 1, characterized in that: the box body (1) is of a double-layer structure, and an electric heating wire is arranged in a clamping cavity of the box body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210074423.2A CN114518259B (en) | 2022-01-21 | 2022-01-21 | Multiple sampling device for water quality detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210074423.2A CN114518259B (en) | 2022-01-21 | 2022-01-21 | Multiple sampling device for water quality detection |
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| CN114518259B CN114518259B (en) | 2023-09-05 |
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