CN213658325U - Sampling device for underground water environment detection - Google Patents

Sampling device for underground water environment detection Download PDF

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Publication number
CN213658325U
CN213658325U CN202022545420.1U CN202022545420U CN213658325U CN 213658325 U CN213658325 U CN 213658325U CN 202022545420 U CN202022545420 U CN 202022545420U CN 213658325 U CN213658325 U CN 213658325U
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China
Prior art keywords
sampling
detection
piston
sampling cylinder
sampling device
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CN202022545420.1U
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Chinese (zh)
Inventor
孙秀菲
王寅冬
冯长明
夏宏月
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Jilin Branch Of China National Geological Exploration Center Of Building Materials Industry
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Jilin Branch Of China National Geological Exploration Center Of Building Materials Industry
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Abstract

The utility model discloses a sampling device for underground water environment detection, which comprises a sampling cylinder; the upper end of the sampling cylinder is covered with an upper cover, and the lower end of the sampling cylinder is connected with a sampling pipe; a first one-way valve is arranged on the sampling pipe, and a protective cap is arranged at the lower end of the sampling pipe; the end face of the protective cap is provided with an opening, and the protective film is fixedly connected to the opening of the protective cap; the center of the upper cover is movably connected with a piston rod, the upper end of the piston rod is connected with a handle, and the lower end of the piston rod penetrates through the upper cover and extends into the sampling cylinder to be connected with a piston; a second one-way valve is arranged on the piston, and a buffer sleeve is arranged on the piston in the circumferential direction; the piston divides the sampling cylinder into a sample storage bin positioned on the lower side and a sample detection bin positioned on the upper side, and a detection probe is installed in the detection bin. The utility model discloses colloidal substance and suspended solid stop the pollution of bacterium to the probe in can effectively preventing the water to detection device to improve measuring accuracy, increase of service life simultaneously.

Description

Sampling device for underground water environment detection
Technical Field
The utility model relates to a water detection device equipment especially relates to a groundwater environment detects and uses sampling device.
Background
When the underground water environment is detected, the levels of pH, conductivity and the like of the underground water environment need to be detected, however, the underground water contains a large amount of colloidal substances, suspended substances, pathogens, bacteria microorganisms and the like, the substances can pollute a detection device, and if substances are attached to the surface of a sensor response area in the sampling process, such as silicic acid, humus colloid, clay, sand, bacteria, aquatic animals and plants and the like, the response of the sensor and hydrogen ions and the like can be blocked, the accuracy of the test is reduced, and the service life of the detection device can be shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned technical problem, a groundwater environment detects and uses sampling device is provided.
In order to achieve the above object, the present invention provides the following technical solutions:
a sampling device for underground water environment detection comprises a sampling cylinder; the upper end of the sampling cylinder is covered with an upper cover, and the lower end of the sampling cylinder is connected with a sampling pipe; a first one-way valve is arranged on the sampling pipe, and a protective cap is arranged at the lower end of the sampling pipe; the end face of the protective cap is provided with an opening, and the protective film is fixedly connected to the opening of the protective cap; the center of the upper cover is movably connected with a piston rod, the upper end of the piston rod is connected with a handle, and the lower end of the piston rod penetrates through the upper cover and extends into the sampling cylinder to be connected with a piston; a second one-way valve is arranged on the piston, and a buffer sleeve is arranged on the piston in the circumferential direction; the piston divides the sampling cylinder into a sample storage bin positioned on the lower side and a sample detection bin positioned on the upper side, and a detection probe is installed in the detection bin.
Further, the protective film is cotton cloth, chemical fiber, nylon, polyvinylidene fluoride film, polypropylene film, filter paper, copper mesh or stainless steel mesh.
Furthermore, the surface of the protective film is provided with a layer of antibacterial film.
Further, the antibacterial film sampling nano-gold material supports or samples a silver net.
Furthermore, a water inlet and a water outlet are arranged on the side wall of the sample detection bin.
Further, the detection probe comprises a pH value sensing probe and a conductivity sensing probe.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a sampling device for groundwater environment detection, the lower extreme of sampling pipe adopts the protective cap, can effectively prevent colloidal substance and suspended solid in the water body to the pollution of detection device such as pH, especially avoided the wearing and tearing and the pollution of great granule solid to the electrode; then, antibacterial films such as nanogold or silver nets are modified on the protective film, so that the effects of sterilization and bacteriostasis can be achieved, the pollution of bacteria to the probe is prevented, the accuracy of measurement is improved, and the service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a front view of a sampling device for detecting an underground water environment according to an embodiment of the present invention.
Fig. 2 is a top view of the protective cap provided by the embodiment of the present invention.
Description of reference numerals:
1. a sampling cartridge; 2. an upper cover; 3. a sampling tube; 4. a first check valve; 5. a protective cap; 6. a protective film; 7. a piston rod; 8. a handle; 9. a piston; 10. a second one-way valve; 11. a buffer sleeve; 12. a sample storage bin; 13. a sample detection bin; 14. a water inlet; 15. a water outlet; 16. a pH value sensing probe; 17. a conductivity sensing probe.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the sampling device for detecting an underground water environment provided by the present invention comprises a sampling cylinder 1; an upper cover 2 is covered on the upper end of the sampling cylinder 1, and the lower end of the sampling cylinder is connected with a sampling pipe 3.
A first one-way valve 4 is arranged on the sampling pipe 3, and a protective cap 5 is arranged at the lower end of the sampling pipe 3; for ease of installation, cleaning and replacement, the protective cap 5 and the sampling tube 3 may be screwed together. The end face of the protective cap 5 is provided with an opening, and the protective film 6 is fixedly connected to the opening of the protective cap 5; specifically, the protective film 6 is cotton cloth, chemical fiber, nylon, polyvinylidene fluoride film, polypropylene film, filter paper, copper mesh or stainless steel mesh. In a preferred embodiment, in order to perform a bacteriostatic function, the surface of the protective film 6 is further provided with a bacteriostatic film. Specifically, the antibacterial film sampling nanogold material supports or samples a silver net.
The center of the upper cover 2 is movably connected with a piston rod 7, the upper end of the piston rod 7 is connected with a handle 8, and the lower end of the piston rod 7 penetrates through the upper cover 2 and extends into the sampling cylinder 1 to be connected with a piston 9; a second one-way valve 10 is arranged on the piston 9, and a buffer sleeve 11 is arranged on the piston 9 in the circumferential direction; the piston 9 divides the sampling cylinder into a sample storage bin 12 at the lower side and a sample detection bin 13 at the upper side, and a detection probe is installed in the sample detection bin 13. Specifically, the detection probes include a pH sensing probe 16 and a conductivity sensing probe 17. When the sampling device is used, the first one-way valve is opened, the second one-way valve is closed, the piston 9 is pulled upwards by lifting the handle 8, and underground water enters the sample storage bin 12 through the sampling pipe 3; and closing the first one-way valve, opening the second one-way valve, pressing the handle 8 downwards to push the piston 9 to move downwards, enabling underground water to enter the sample detection bin 13 from the sample storage bin 12, and transmitting the detected pH value and conductivity to the detection display by the pH value sensing probe 16 and the conductivity sensing probe 17.
In order to facilitate cleaning the inside of the sampling cylinder, a water inlet 14 and a water outlet 15 are arranged on the side wall of the sample detection bin 13, the water inlet 14 can be connected with a water source, such as a water tank or tap water, and the water outlet 15 is connected with water. When the interior of the sampling cylinder is cleaned, the first one-way valve is closed, water is injected into the sample detection bin 13 from the water inlet 15, the second one-way valve is opened, the piston is pulled up and down, the interior of the sampling cylinder is cleaned, and then the sampling cylinder is discharged through the water outlet. Or opening the first one-way valve, taking down the protective cap and discharging through the lower end of the sampling pipe.
The utility model discloses a sampling device for groundwater environment detection, the lower extreme of sampling pipe adopts the protective cap, can effectively prevent colloidal substance and suspended solid in the water body to the pollution of detection device such as pH, especially avoided the wearing and tearing and the pollution of great granule solid to the electrode; then, antibacterial films such as nanogold or silver nets are modified on the protective film, so that the effects of sterilization and bacteriostasis can be achieved, the pollution of bacteria to the probe is prevented, the accuracy of measurement is improved, and the service life is prolonged.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.

Claims (6)

1. The sampling device for detecting the underground water environment is characterized by comprising a sampling cylinder; the upper end of the sampling cylinder is covered with an upper cover, and the lower end of the sampling cylinder is connected with a sampling pipe; a first one-way valve is arranged on the sampling pipe, and a protective cap is arranged at the lower end of the sampling pipe; the end face of the protective cap is provided with an opening, and the protective film is fixedly connected to the opening of the protective cap; the center of the upper cover is movably connected with a piston rod, the upper end of the piston rod is connected with a handle, and the lower end of the piston rod penetrates through the upper cover and extends into the sampling cylinder to be connected with a piston; a second one-way valve is arranged on the piston, and a buffer sleeve is arranged on the piston in the circumferential direction; the piston divides the sampling cylinder into a sample storage bin positioned on the lower side and a sample detection bin positioned on the upper side, and a detection probe is installed in the detection bin.
2. A sampling device for groundwater environment detection as claimed in claim 1, wherein the protective film is cotton cloth, chemical fiber, nylon, polyvinylidene fluoride film, polypropylene film, filter paper, copper mesh or stainless steel mesh.
3. A sampling device for groundwater environment detection as claimed in claim 1, wherein a surface of the protection film is provided with a layer of an antibacterial film.
4. A sampling device for groundwater environment detection as claimed in claim 3, wherein the antibacterial film sampling nanogold material supports or samples a silver mesh.
5. A sampling device for groundwater environment detection as claimed in claim 1, wherein the side wall of the sample detection chamber is provided with a water inlet and a water outlet.
6. A sampling device for groundwater environment detection as claimed in claim 1, wherein the detection probe comprises a pH sensing probe and a conductivity sensing probe.
CN202022545420.1U 2020-11-06 2020-11-06 Sampling device for underground water environment detection Active CN213658325U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022545420.1U CN213658325U (en) 2020-11-06 2020-11-06 Sampling device for underground water environment detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022545420.1U CN213658325U (en) 2020-11-06 2020-11-06 Sampling device for underground water environment detection

Publications (1)

Publication Number Publication Date
CN213658325U true CN213658325U (en) 2021-07-09

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Application Number Title Priority Date Filing Date
CN202022545420.1U Active CN213658325U (en) 2020-11-06 2020-11-06 Sampling device for underground water environment detection

Country Status (1)

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CN (1) CN213658325U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114740169A (en) * 2022-04-13 2022-07-12 河北地质大学 Water environment treatment monitoring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114740169A (en) * 2022-04-13 2022-07-12 河北地质大学 Water environment treatment monitoring device
CN114740169B (en) * 2022-04-13 2023-08-15 河北地质大学 Water environment treatment monitoring device

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