CN113176255A - Portable water quality monitoring device and using method thereof - Google Patents
Portable water quality monitoring device and using method thereof Download PDFInfo
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- CN113176255A CN113176255A CN202110452900.XA CN202110452900A CN113176255A CN 113176255 A CN113176255 A CN 113176255A CN 202110452900 A CN202110452900 A CN 202110452900A CN 113176255 A CN113176255 A CN 113176255A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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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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Abstract
The invention discloses a portable water quality monitoring device and a using method thereof, and the portable water quality monitoring device comprises two symmetrical outer shells, wherein a front end cover is welded on the front surface of each outer shell, a guide pipe is connected on the front surface of each front end cover in a threaded manner, an inner shell is installed on the upper part of the inner side wall of each outer shell, a PCB (printed circuit board) is installed on the inner side wall of each inner shell, a button board is installed on the upper surface of each inner shell, and an electronic screen is installed on the upper surface of each inner shell; utilize the multiunit sampling tube of sampling mechanism and the business turn over water cooperation of the miniature water pump of multiunit around, realize from the sample, atomizing and the whole step that detects, the design of hand-held type is convenient for the staff to carry and long distance's survey demand, both can the single judge this basin quality of water condition, also can carry out the quality of water condition contrast between the basin of flowing back, can help the staff to judge the quality of water condition in this section basin fast, utilize the multiunit sampling tube can also satisfy the sample and keep and the demand that later stage accurate detection and data remain simultaneously.
Description
Technical Field
The invention relates to the technical field of water quality detection devices, in particular to a portable water quality monitoring device and a using method thereof.
Background
Along with the development of times and the progress of industry, the destruction and pollution of natural environment are brought about, wherein the pollution of water sources such as rivers and the like is particularly serious; in general, related researchers need to perform water quality exploration, research and analysis on water flow or water source partially contacting industrial facilities, that is, water flow collection and research are needed on the water flow or water source; in a polluted river, different water quality samples need to be collected at different positions in a section of the river due to different sections or different flow conditions, or factors such as separation distance between the polluted river and pollutants, diversion and the like under normal conditions; mostly carry a plurality of storage tools at traditional collection method, manual bailing is gathered the position of difference, and this kind of mode not only wastes time and energy and threatens staff's health easily to transportation after storing is also very inconvenient.
Therefore, a portable water quality monitoring device and a using method thereof are provided.
Disclosure of Invention
The invention aims to provide a portable water quality monitoring device and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a portable water quality monitoring device comprises two symmetrical outer shells, a front end cover is welded on the front surface of each outer shell, a guide pipe is connected on the front surface of each front end cover in a threaded manner, an inner shell is installed on the upper portion of the inner side wall of each outer shell, a PCB is installed on the inner side wall of each inner shell, a button board is installed on the upper surface of each inner shell, an electronic screen is installed on the upper surface of each inner shell, a storage battery is installed on the lower portion of the inner side wall of each inner shell, a first support frame is welded on the inner side wall of each outer shell, a first servo motor is welded on the inner side wall of each first support frame, a connecting roller is welded on the output shaft of each first servo motor, a second support frame is welded in the middle of the inner side wall of each outer shell, the outer surface of each connecting roller penetrates through the second support frame, two second servo motors are symmetrically installed on the lower portion of the front surface of each first support frame, the output shaft of the second servo motor is wound with pH test paper, the outer surface of the pH test paper penetrates through the top wall of the second support frame, the upper surface of the outer shell is hinged with a flip cover through a damping shaft, the outer surface of the flip cover is in interference connection with the inner side wall of the outer shell, the lower surface of the flip cover is provided with a color sensor, and the outer surface of the connecting roller is provided with a sampling mechanism;
the sampling mechanism comprises two flange plates, ten micro water pumps, five sampling pipes and five atomizers, wherein the outer surfaces of the flange plates are in threaded connection with the outer surfaces of the five micro water pumps through screws, the water outlets of the micro water pumps at the front parts are communicated with the inner side walls of the sampling pipes, the water inlets of the five micro water pumps at the rear parts are communicated with the inner side walls of the sampling pipes, and the water outlets of the other five micro water pumps are communicated with the water inlets of the atomizers;
the electric property output of button board with the battery with the electric property input electric connection of color sensor, the battery with the electric property output of color sensor with the electric property input electric connection of PCB board, the electric property output of PCB board with the electronic screen first servo motor miniature pump the atomizer with the electric property input electric connection of second servo motor.
As further preferable in the present technical solution: a handle is integrally formed at the rear part of the outer surface of the outer shell.
As further preferable in the present technical solution: the front surface of the front end cover is provided with two illuminating lamps, and the electrical output end of the PCB is electrically connected with the electrical input end of the illuminating lamp.
As further preferable in the present technical solution: the rear surface of front end housing integrated into one piece has the supporting legs, the surface of even roller with the inside wall of supporting legs rotates and is connected.
As further preferable in the present technical solution: the inner side wall of the turnover cover is integrally formed with a cone boss.
As further preferable in the present technical solution: the sampling mechanism further comprises ten thread sealing pipes, the water inlet and the water outlet of the miniature water pump are in threaded connection with the inner side wall of each thread sealing pipe, and the outer surface of the sampling pipe is in threaded connection with the inner side wall of each thread sealing pipe.
In addition, the invention also provides a use method of the portable water quality monitoring device, which comprises the following steps:
s1, firstly, the handle is held by hand to carry the whole device to a water source flow section to be detected, the whole device is vertically inserted into water flow and is enabled to submerge a front end cover, then a micro water pump is started through a button plate, and a conduit matched with the micro water pump is utilized to pump water into a sampling pipe;
s2, when the current sampling water quality needs to be detected, starting another micro water pump communicated with the sampling tube, enabling the sampling water to flow to an atomizer for atomization, spraying atomized samples onto pH test paper under the limiting action of a cone boss, performing color identification by a color sensor, performing signal interaction with a PCB (printed circuit board), judging whether the pH value of the water quality is qualified or not and feeding back data to an electronic screen;
s3, when a plurality of sampled water qualities need to be contrasted and detected, after a first sample is sampled through the sampling step in S2, a worker controls a PCB board to output signals through a button board, an output shaft of a first servo motor rotates seventy-two degrees clockwise, another group of micro water pump and a sampling pipe in a sampling mechanism are matched with a guide pipe, another different sample is sampled after the sampling step in S2 is repeated, after pH test paper is sprayed and detected, the worker controls two second servo motors to rotate, so that the pH test paper is replaced or the used pH test paper is reset, data contrast of two or more groups of sampling and detection and water sample contrast of different watersheds are realized, when samples with different water qualities are collected, the worker can remove the thread pair relationship between the guide pipe and a front end cover and replace a new guide pipe to collect the water quality, so that cross mixing between the water samples is prevented, the requirement of ensuring that the water sample is not polluted; (ii) a
S4, when the staff needs to keep and subsequently take out the sampling sample, the sample can be taken out by turning the flip cover on the upper surface of the outer shell and unloading the thread pair between the sampling tube and the thread sealing tube for subsequent further detection, and meanwhile, the pH test paper can also be replaced.
As further preferable in the present technical solution: in the step S1, the atomized sample is sprayed onto the pH paper of the second support frame under the limiting action of the cone boss.
Compared with the prior art, the invention has the beneficial effects that: utilize the multiunit sampling tube of sampling mechanism and the business turn over water cooperation of the miniature water pump of multiunit around, realize from the sample, atomizing and the whole step that detects, the design of hand-held type is convenient for the staff to carry and long distance's survey demand, both can the single judge this basin quality of water condition, also can carry out the quality of water condition contrast between the basin of flowing back, can help the staff to judge the quality of water condition in this section basin fast, utilize the multiunit sampling tube can also satisfy the sample and keep and the demand that later stage accurate detection and data remain simultaneously.
Drawings
FIG. 1 is a schematic view of a perspective structure according to the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a schematic view of a perspective structure of the outer casing according to the present invention;
FIG. 4 is a schematic view of the enlarged perspective view of the area A of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of another perspective structure of the outer casing according to the present invention;
FIG. 6 is a schematic view of another perspective structure of the outer casing according to the present invention;
FIG. 7 is a schematic perspective view of a sampling mechanism according to the present invention;
fig. 8 is a circuit diagram of the present invention.
In the figure: 1. an outer housing; 101. a grip; 2. a front end cover; 201. a conduit; 202. an illuminating lamp; 203. supporting legs; 3. an inner housing; 301. a button plate; 302. an electronic screen; 4. a PCB board; 5. a storage battery; 6. a cover is turned; 601. a conical boss; 7. a first support frame; 8. a first servo motor; 9. a second support frame; 10. connecting rollers; 11. a sampling mechanism; 1101. a flange plate; 1102. a micro water pump; 1103. a threaded seal tube; 1104. a sampling tube; 1105. an atomizer; 12. a second servo motor; 13. pH test paper; 14. a color sensor.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-8, the present invention provides a technical solution: a portable water quality monitoring device comprises two symmetrical outer shells 1, a front end cover 2 is welded on the front surface of the outer shell 1, a guide pipe 201 is connected on the front surface of the front end cover 2 in a threaded manner, an inner shell 3 is installed on the upper portion of the inner side wall of the outer shell 1, a PCB 4 is installed on the inner side wall of the inner shell 3, a button board 301 is installed on the upper surface of the inner shell 3, an electronic screen 302 is installed on the upper surface of the inner shell 3, a storage battery 5 is installed on the lower portion of the inner side wall of the inner shell 3, a first supporting frame 7 is welded on the inner side wall of the outer shell 1, a first servo motor 8 is welded on the inner side wall of the first supporting frame 7, a connecting roller 10 is welded on an output shaft of the first servo motor 8, a second supporting frame 9 is welded on the inner side wall of the middle portion of the outer shell 1, the outer surface of the connecting roller 10 penetrates through the second supporting frame 9, and two second servo motors 12 are symmetrically installed on the lower portion of the front surface of the first supporting frame 7, an output shaft of the second servo motor 12 is wound with pH test paper 13, the outer surface of the pH test paper 13 penetrates through the top wall of the second support frame 9, the upper surface of the outer shell 1 is hinged with a flip cover 6 through a damping shaft, the outer surface of the flip cover 6 is in interference connection with the inner side wall of the outer shell 1, the lower surface of the flip cover 6 is provided with a color sensor 14, and the outer surface of the connecting roller 10 is provided with a sampling mechanism 11;
the sampling mechanism 11 comprises two flange plates 1101, ten micro water pumps 1102, five sampling pipes 1104 and five atomizers 1105, wherein the outer surfaces of the flange plates 1101 are in threaded connection with the outer surfaces of the five micro water pumps 1102 through screws, the water outlets of the front micro water pumps 1102 are communicated with the inner side walls of the sampling pipes 1104, the water inlets of the rear five micro water pumps 1102 are communicated with the inner side walls of the sampling pipes 1104, and the water outlets of the other five micro water pumps 1102 are communicated with the water inlets of the atomizers 1105;
the electrical output end of the button board 301 is electrically connected to the electrical input ends of the battery 5 and the color sensor 14, the electrical output ends of the battery 5 and the color sensor 14 are electrically connected to the electrical input end of the PCB 4, and the electrical output end of the PCB 4 is electrically connected to the electrical input ends of the electronic screen 302, the first servo motor 8, the micro water pump 1102, the atomizer 1105 and the second servo motor 12.
In this embodiment, specifically: a handle 101 is integrally formed at the rear part of the outer surface of the outer shell 1; the handle 101 is convenient for the staff to carry by hand, and meets the portable requirement.
In this embodiment, specifically: the front surface of the front end cover 2 is provided with two illuminating lamps 202, and the electrical output end of the PCB 4 is electrically connected with the electrical input end of the illuminating lamps 202; the illuminating lamp 202 is used for searchlighting the water surface and assisting workers to judge the water quality turbidity by naked eyes.
In this embodiment, specifically: the rear surface of the front end cover 2 is integrally formed with supporting legs 203, and the outer surface of the connecting roller 10 is rotatably connected with the inner side walls of the supporting legs 203; support feet 203 may be used to engage the coupling roller 10 so that it stably drives the sampling mechanism 11.
In this embodiment, specifically: a conical boss 601 is integrally formed on the inner side wall of the flip cover 6; the sampled water is circulated to the atomizer 1105 for atomization, and the atomized sample is sprayed on the pH test paper 13 of the second support frame 9 under the limiting action of the cone boss 601.
In this embodiment, specifically: the sampling mechanism 11 further comprises ten thread sealing pipes 1103, a water inlet and a water outlet of the micro water pump 1102 are both in threaded connection with the inner side wall of the thread sealing pipes 1103, and the outer surface of the sampling pipe 1104 is in threaded connection with the inner side wall of the thread sealing pipes 1103; when the staff needs to keep and subsequently take out the sample, the sample can be taken out by turning the flip cover 6 on the upper surface of the outer shell 1 and unloading the thread pair between the sampling tube 1104 and the thread sealing tube 1103.
In this embodiment, specifically: the specific model of the color sensor 14 is CL1-N3S 1; the specific model of the first servo motor 8 is 1TL 0001; the specific model of the micro water pump 1102 is 00H220H 012; the specific model of the atomizer 1105 is TC-16; the second servomotor 12 is specifically of the type HFF80B4B 5.
In addition, the invention also provides a use method of the portable water quality monitoring device, which comprises the following steps:
s1, firstly, the handle 101 is held by hand to carry the whole device to a water source flow section to be detected, the whole device is vertically inserted into water flow and is enabled to submerge into the front end cover 2, then a micro water pump 1102 is started through the button plate 301, and water is pumped into a sampling pipe 1104 by using a guide pipe 201 matched with the micro water pump;
s2, when the current sampling water quality needs to be detected, starting another micro water pump 1102 communicated with the sampling pipe 1104, enabling the sampling water to flow to the atomizer 1105 for atomization, spraying atomized samples onto the pH test paper 13 under the limiting action of the cone boss 601, performing color identification by the color sensor 14, performing signal interaction with the PCB 4, judging whether the pH value of the water quality is qualified or not, and feeding back data to the electronic screen 302;
s3, when a plurality of sampled water qualities need to be contrasted and detected, after a first sample is sampled through the sampling step in S2, a worker controls the PCB 4 to output signals through the button board 301, the output shaft of the first servo motor 8 rotates seventy-two degrees clockwise, the other group of micro water pump 1102 and the sampling pipe 1104 in the sampling mechanism 11 are matched with the guide pipe 201, the sampling step in S2 is repeated to sample another different sample, after the pH test paper 13 is sprayed and detected in the same way, the worker controls the two second servo motors 12 to rotate, so that the pH test paper 13 is replaced or the used pH test paper 13 is reset, data contrast of two or more groups of sampling detection and water sample contrast of different watersheds are realized, and when different water quality samples are collected, the worker can replace the new guide pipe 201 to collect the water quality by removing the thread pair relationship between the guide pipe 201 and the front end cover 2, thereby meeting the requirements of preventing the cross mixing of water samples and ensuring that the water samples are not polluted;
s4, when the staff needs to keep and take out the sample subsequently, the sample can be taken out by turning the flip cover 6 on the upper surface of the outer shell 1 and unloading the thread pair between the sampling tube 1104 and the thread sealing tube 1103 for further subsequent detection, and the pH test paper 13 can be replaced at the same time
In this embodiment, specifically: in S1, the atomized sample is sprayed onto the pH paper 13 of the second support 9 under the limiting action of the cone boss 601.
Working principle or structural principle: by matching the water inlets and the water outlets of the plurality of groups of sampling pipes 1104 and the front and rear groups of micro water pumps 1102 of the sampling mechanism 11, the other micro water pump 1102 communicated with the sampling pipes 1104 is started to circulate the sampled water to the atomizer 1105 for atomization, the atomized sample is sprayed on the pH test paper 13 under the limiting action of the cone boss 601, the color is distinguished by the color sensor 14, and performs signal interaction with the PCB 4, judges whether the pH value of the water is qualified or not and feeds back the data to the electronic screen 302, the handheld design is convenient for the carrying of workers and the long-distance survey requirement, the first servo motor 8 is matched with the sampling mechanism 11, so that the water quality condition of the basin can be judged at a time, the water quality condition comparison among multiple basins can be carried out, the water quality condition of the basin at the section can be helped to be judged quickly by workers, meanwhile, the requirements of sampling retention, later accurate detection and data retention can be met by matching a plurality of groups of sampling tubes 1104 with the threaded sealing tube 1103.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a portable water quality monitoring device, includes two shell bodies (1) of symmetry of each other, its characterized in that: the front surface welding of shell body (1) has front end housing (2), the front surface threaded connection of front end housing (2) has pipe (201), interior casing (3) is installed on the inside wall upper portion of shell body (1), PCB board (4) is installed to the inside wall of interior casing (3), the last surface mounting of interior casing (3) has button plate (301), the last surface mounting of interior casing (3) has electronic screen (302), battery (5) are installed to the inside wall lower part of interior casing (3), the inside wall welding of shell body (1) has first support frame (7), the inside wall welding of first support frame (7) has first servo motor (8), the output shaft welding of first servo motor (8) has even roller (10), the inside wall middle part welding of shell body (1) has second support frame (9), the outer surface of the connecting roller (10) penetrates through the second supporting frame (9), two second servo motors (12) are symmetrically installed on the lower portion of the front surface of the first supporting frame (7), the output shafts of the second servo motors (12) are connected with pH test paper (13) in a winding mode, the outer surface of the pH test paper (13) penetrates through the top wall of the second supporting frame (9), the upper surface of the outer shell (1) is hinged to a flip cover (6) through a damping shaft, the outer surface of the flip cover (6) is in interference connection with the inner side wall of the outer shell (1), a color sensor (14) is installed on the lower surface of the flip cover (6), and a sampling mechanism (11) is installed on the outer surface of the connecting roller (10);
the sampling mechanism (11) comprises two flange plates (1101), ten micro water pumps (1102), five sampling pipes (1104) and five atomizers (1105), wherein the outer surfaces of the flange plates (1101) are in threaded connection with the outer surfaces of the five micro water pumps (1102) through screws, the water outlets of the front micro water pumps (1102) are communicated with the inner side wall of the sampling pipes (1104), the water inlets of the rear five micro water pumps (1102) are communicated with the inner side wall of the sampling pipes (1104), and the water outlets of the other five micro water pumps (1102) are communicated with the water inlets of the atomizers (1105);
the electric property output of button board (301) with battery (5) with the electric property input electric connection of color sensor (14), battery (5) with the electric property output of color sensor (14) with the electric property input electric connection of PCB board (4), the electric property output of PCB board (4) with electronic screen (302), first servo motor (8), micro water pump (1102), atomizer (1105) and the electric property input electric connection of second servo motor (12).
2. A portable water quality monitoring device according to claim 1, characterized in that: a handle (101) is integrally formed at the rear part of the outer surface of the outer shell (1).
3. A portable water quality monitoring device according to claim 1, characterized in that: two illuminating lamps (202) are installed on the front surface of the front end cover (2), and the electrical output end of the PCB (4) is electrically connected with the electrical input end of the illuminating lamps (202).
4. A portable water quality monitoring device according to claim 1, characterized in that: the rear surface of the front end cover (2) is integrally formed with supporting legs (203), and the outer surface of the connecting roller (10) is rotatably connected with the inner side walls of the supporting legs (203).
5. A portable water quality monitoring device according to claim 1, characterized in that: the inner side wall of the flip cover (6) is integrally formed with a cone boss (601).
6. A portable water quality monitoring device according to claim 1, characterized in that: the sampling mechanism (11) further comprises ten thread sealing pipes (1103), the water inlet and the water outlet of the micro-water pump (1102) are both in threaded connection with the inner side wall of each thread sealing pipe (1103), and the outer surface of the sampling pipe (1104) is in threaded connection with the inner side wall of each thread sealing pipe (1103).
7. The use method of the portable water quality monitoring device is characterized by comprising the following steps:
s1, firstly, the handle (101) is held by hand to carry the whole device to a water source flow section to be detected, the whole device is vertically inserted into water flow and is enabled to submerge the water flow section to pass through the front end cover (2), then a micro water pump (1102) is started through the button plate (301), and a conduit (201) matched with the micro water pump is used for pumping water into the sampling pipe (1104);
s2, when the current sampling water quality needs to be detected, starting another micro water pump (1102) communicated with the sampling pipe (1104), enabling the sampling water to flow to an atomizer (1105) for atomization, spraying atomized samples onto pH test paper (13) under the limiting action of a cone boss (601), carrying out color identification by a color sensor (14), carrying out signal interaction with a PCB (4), judging whether the pH value of the water quality is qualified or not and feeding back data to an electronic screen (302);
s3, when a plurality of sampled water qualities need to be contrasted and detected, after a first sample is sampled through the sampling step in S2, a worker controls the PCB (4) to output a signal through the button board (301), the output shaft of the first servo motor (8) rotates seventy-two degrees clockwise, the other group of micro water pump (1102) and the sampling pipe (1104) in the sampling mechanism (11) are matched with the guide pipe (201), the sampling step in S2 is repeated to take another different sample, after the pH test paper (13) is sprayed and detected, the worker controls the two second servo motors (12) to rotate, so as to replace the pH test paper (13) or reset the used pH test paper (13), thereby realizing the data comparison of two or more groups of sampling and detection and the water sample comparison of different watersheds, and when different water quality samples are collected, the worker can remove the screw thread pair relationship between the guide pipe (201) and the front end cover (2), a new conduit (201) is replaced to collect water quality, so that the requirements of preventing cross mixing among water samples and ensuring that the water samples are not polluted are met;
s4, when the staff needs to keep and take out the sample subsequently, the sample can be taken out by turning the flip cover (6) on the upper surface of the outer shell (1) and unloading the thread pair between the sampling tube (1104) and the thread sealing tube (1103) for further subsequent detection, and meanwhile, the pH test paper (13) can be replaced.
8. The use method of the portable water quality monitoring device according to claim 7, characterized in that: in the step S1, the atomized sample is sprayed on the pH test paper (13) of the second support frame (9) under the limiting action of the cone boss (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452900.XA CN113176255A (en) | 2021-04-26 | 2021-04-26 | Portable water quality monitoring device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110452900.XA CN113176255A (en) | 2021-04-26 | 2021-04-26 | Portable water quality monitoring device and using method thereof |
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| CN113176255A true CN113176255A (en) | 2021-07-27 |
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| CN202110452900.XA Withdrawn CN113176255A (en) | 2021-04-26 | 2021-04-26 | Portable water quality monitoring device and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112537A (en) * | 2021-12-10 | 2022-03-01 | 内蒙古自治区环境监测中心站 | Aeration zone water quality sampling and rapid detection equipment |
-
2021
- 2021-04-26 CN CN202110452900.XA patent/CN113176255A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112537A (en) * | 2021-12-10 | 2022-03-01 | 内蒙古自治区环境监测中心站 | Aeration zone water quality sampling and rapid detection equipment |
| CN114112537B (en) * | 2021-12-10 | 2024-04-05 | 内蒙古自治区环境监测中心站 | Air-packing belt water quality sampling and rapid detection equipment |
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Application publication date: 20210727 |