CN113916601A - Urban underground sewage monitoring and sampling device for environmental monitoring - Google Patents
Urban underground sewage monitoring and sampling device for environmental monitoring Download PDFInfo
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- CN113916601A CN113916601A CN202111411753.8A CN202111411753A CN113916601A CN 113916601 A CN113916601 A CN 113916601A CN 202111411753 A CN202111411753 A CN 202111411753A CN 113916601 A CN113916601 A CN 113916601A
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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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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Abstract
The invention discloses an urban underground sewage monitoring and sampling device for environmental monitoring, which comprises a placing box, a sampling device and a control device, wherein the placing box comprises a driving mechanism, an auxiliary mechanism and a sampling mechanism; the driving mechanism is used for placing the sampling mechanism into a sewer pipeline and is arranged on the placing box; the auxiliary mechanism is used for assisting the driving mechanism and the sampling mechanism to operate, and the auxiliary mechanism is arranged in the placing box; the sampling mechanism is used for collecting a sewage sample; the box will be placed and put at sewer pipe mouth, start actuating mechanism, actuating mechanism drives in the sampling mechanism removes the sewer pipe, utilizes complementary unit to come actuating mechanism locking to push the solid of part around the sampling mechanism open, avoid the solid too many, lead to the sampling mechanism to be blockked up, the material of sampling mechanism in to the sewer pipe is taken a sample, thereby has avoided the direct circumstances that gets into sewer pipe of people, has improved the security of sample.
Description
Technical Field
The invention relates to an environment monitoring and sampling device.
Background
Namely domestic sewage, industrial wastewater and runoff sewage in the urban area. Generally, the sewage is collected by urban canals and is discharged into water after being treated by an urban sewage treatment plant. The urban sewage contains a large amount of organic matters, germs, viruses and the like, and contains various toxic and harmful pollutants of various types and different degrees, so that the urban sewage needs to be sampled and monitored.
The sample of urban underground sewage can generally take a sample in water outlet department, but water outlet department sample can only synthesize the sewage situation in whole area, and can not know the sewage situation in local area, and the sewage situation of understanding local area needs directly to get the sewage sample to the sewer pipe in the local area, detects, and need open the well lid like this, then, samples in going down the sewer pipe, and not only the process is loaded down with trivial details, but also certain danger.
Disclosure of Invention
The invention aims to overcome the defect that sewage samples are difficult to take in a sewer, and provides an urban underground sewage monitoring and sampling device for environment monitoring.
The technical scheme for realizing the purpose is as follows: an urban underground sewage monitoring and sampling device for environmental monitoring comprises a placing box, a sampling device and a control device, wherein the placing box comprises a driving mechanism, an auxiliary mechanism and a sampling mechanism;
the driving mechanism is used for placing the sampling mechanism into a sewer pipeline and is arranged on the placing box;
the auxiliary mechanism is used for assisting the driving mechanism and the sampling mechanism to operate, and the auxiliary mechanism is arranged in the placing box;
the sampling mechanism is used for collecting sewage samples and is installed on the driving mechanism.
Preferably, actuating mechanism includes drive carousel, drive shaft, bracing piece, runner, first rope and spacing groove, the inner wall of placing the box is connected with the bracing piece, the inner wall swing joint of bracing piece has the drive shaft, the one end of drive shaft is connected with the drive carousel, the spacing groove has been seted up to the other end of drive shaft, the outer wall of drive shaft runs through and places the box, the surface of drive shaft is connected with the runner, the outer wall winding of runner is provided with first rope.
Preferably, the auxiliary mechanism comprises an auxiliary turntable, an auxiliary shaft, a connecting plate, a supporting plate, a spline, a driving wheel, a key groove, a second rope, a limiting rod, a limiting block, a C-shaped frame, a guide rod and a connecting block, the supporting plate is connected to the inner wall of the placing box, the supporting plate is connected to the inner surface of the placing box, the auxiliary shaft is movably connected to the inner wall of the supporting plate, the spline is connected to the outer wall of the auxiliary shaft, the limiting rod is rotatably connected to one end of the auxiliary shaft, the outer wall of the limiting rod is connected with the placing box in a sliding mode, the auxiliary turntable is connected to the other end of the auxiliary shaft, the placing box is penetrated through the outer wall of the auxiliary shaft, the limiting block is connected to the outer wall of the limiting rod, and the central point of the limiting rod is horizontally aligned with the central point of the driving shaft;
the inner wall swing joint of connecting plate has the driving wheel, the keyway has been seted up to the inner wall of driving wheel, the surface of auxiliary shaft passes the driving wheel, the outer wall winding of driving wheel is provided with the second rope, the end connection of second rope has C type frame, the inner wall connection of C type frame has even piece, the inner wall and the guide arm sliding connection of even piece.
Preferably, the sampling mechanism includes liquid sampling spare, top layer solid sampling spare and deep layer sampling spare, liquid sampling spare is used for taking the liquid sample, top layer solid sampling spare is used for taking the solid sample on sewage surface, deep layer sampling spare is used for taking the solid sample of deep sewage.
Preferably, the liquid sampling part comprises a collecting box, a C-shaped baffle, a through pipe, a J-shaped plate, an extrusion switch and a prompting lamp, the outer wall of the guide rod is connected with the collecting box, the upper surface of the collecting box is connected with a first rope, the upper end of the collecting box is connected with the C-shaped baffle, the opening direction of the C-shaped baffle is opposite to that of the C-shaped frame, the through pipe is inserted into the upper end of the collecting box, and the C-shaped baffle is positioned right above the through pipe;
the inner wall connection of the last inner wall of collecting the box has the J template, the inner wall of J template is provided with the extrusion switch, the inner wall connection who places the box has the warning light, the warning light adopts electric connection with the extrusion switch.
Preferably, top layer solid sample spare includes square pipe, filter screen, square plate, torque spring and commentaries on classics board, the outer wall connection of collecting the box has square pipe, the inner wall connection of square pipe has the filter screen, the bottom of square pipe is connected with torque spring, torque spring's outer wall connection has the commentaries on classics board, the inner wall connection of square pipe has the square plate, the square plate is located the top of commentaries on classics board.
Preferably, the deep sampling piece comprises a connecting rod, a round pipe and an inlet hole, the lower end of the C-shaped frame is connected with the connecting rod, the round pipe is connected to the outer wall of the connecting rod, sealing covers are arranged at two ends of the round pipe, and the inlet hole is formed in the outer wall of the round pipe.
Preferably, the outer wall of the extrusion switch is provided with a waterproof film.
The invention has the beneficial effects that:
1. the box will be placed and put at sewer pipe mouth, start actuating mechanism, actuating mechanism drives in the sampling mechanism removes the sewer pipe, utilizes complementary unit to come actuating mechanism locking to push the solid of part around the sampling mechanism open, avoid the solid too many, lead to the sampling mechanism to be blockked up, the material of sampling mechanism in to the sewer pipe is taken a sample, thereby has avoided the direct circumstances that gets into sewer pipe of people, has improved the security of sample.
2. The auxiliary turntable is pushed, the auxiliary shaft is pushed by the auxiliary turntable to move, the limiting rod is pushed by the auxiliary shaft to move, the limiting rod drives the limiting block to move, the limiting rod and the limiting block are inserted into the limiting groove together, thereby limiting the rotation of the driving shaft and keeping the driving mechanism stable, meanwhile, the auxiliary shaft drives the spline to move, the spline is inserted into the key groove, the auxiliary turntable is rotated to drive the auxiliary shaft to rotate, the auxiliary shaft drives the spline to rotate, the spline drives the key groove to rotate, thereby driving the driving wheel to move, the driving wheel driving the second rope to move, the second rope driving the C-shaped frame to move, the C-shaped frame driving the connecting block to slide on the guide rod, through positive and negative reverse rotation auxiliary turntable, make C type frame can reciprocate, the floated solid around C type frame with liquid sampling spare is pushed open, avoids more solid to pile up around liquid sampling spare, makes in the difficult entering into liquid sampling spare of sewage.
3. The liquid sampling piece is used for taking a liquid sample, the surface layer solid sampling piece is used for taking a solid sample on the surface of sewage, and the deep layer sampling piece is used for taking a solid sample of deep sewage, so that substance samples of different layers can be taken.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional top view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic view of a deep sampling member of the present invention;
FIG. 5 is a schematic view of a liquid sampling member of the present invention;
FIG. 6 is a schematic cross-sectional view of a liquid sampling member of the present invention;
FIG. 7 is a schematic cross-sectional view of a superficial solid sampling member of the present invention;
FIG. 8 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 9 is an enlarged schematic view of the structure at B in FIG. 5;
fig. 10 is an enlarged schematic view of the structure at C in fig. 7.
1. Placing the box; 2. a drive mechanism; 201. driving the turntable; 202. a drive shaft; 203. a support bar; 204. a rotating wheel; 205. a first rope; 206. a limiting groove; 3. an auxiliary mechanism; 301. an auxiliary turntable; 302. an auxiliary shaft; 303. a connecting plate; 304. a support plate; 305. a spline; 306. a driving wheel; 307. a keyway; 308. a second rope; 309. a limiting rod; 310. a limiting block; 311. a C-shaped frame; 312. a guide bar; 313. connecting blocks; 4. a sampling mechanism; 401. a collection box; 402. a C-shaped baffle plate; 403. pipe passing; 404. a J-shaped plate; 405. a squeezing switch; 406. a warning light; 407. a square tube; 408. filtering with a screen; 409. a square plate; 410. a torsion spring; 411. rotating the plate; 412. a connecting rod; 413. a circular tube; 414. and (6) entering the hole.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.
The invention will be further explained with reference to the drawings.
Referring to the attached drawings 1-10, the urban underground sewage monitoring and sampling device for environmental monitoring comprises a placing box 1, a driving mechanism 2, an auxiliary mechanism 3 and a sampling mechanism 4;
the driving mechanism 2 is used for placing the sampling mechanism 4 into a sewer pipeline, and the driving mechanism 2 is arranged on the placing box 1;
the auxiliary mechanism 3 is used for assisting the driving mechanism 2 and the sampling mechanism 4 to operate, and the auxiliary mechanism 3 is arranged in the placing box 1;
Will place box 1 and put at sewer pipe mouth, start actuating mechanism 2, actuating mechanism 2 drives sampling mechanism 4 and removes in the sewer pipe, utilize complementary unit 3 to come actuating mechanism 2 locking, and push away the solid of part around sampling mechanism 4, avoid the solid too many, lead to sampling mechanism 4 to be blockked up, sampling mechanism 4 takes a sample to the material in the sewer pipe, thereby avoided the direct condition that gets into sewer pipe of people, improved the security of sample.
Referring to fig. 1-8, the driving mechanism 2 includes a driving turntable 201, a driving shaft 202, a supporting rod 203, a rotating wheel 204, a first rope 205 and a limiting groove 206, the inner wall of the placing box 1 is connected with the supporting rod 203, the inner wall of the supporting rod 203 is movably connected with the driving shaft 202, one end of the driving shaft 202 is connected with the driving turntable 201, the other end of the driving shaft 202 is provided with the limiting groove 206, the outer wall of the driving shaft 202 penetrates through the placing box 1, the outer surface of the driving shaft 202 is connected with the rotating wheel 204, and the outer wall of the rotating wheel 204 is wound with the first rope 205.
The driving turntable 201 is rotated, the driving turntable 201 drives the driving shaft 202 to rotate, the driving shaft 202 drives the rotating wheel 204 to rotate, the rotating wheel 204 places the first rope 205 downwards, and the first rope 205 puts the sampling mechanism 4 into a sewer pipe.
Referring to fig. 1-8, the auxiliary mechanism 3 includes an auxiliary turntable 301, an auxiliary shaft 302, a connecting plate 303, a supporting plate 304, a spline 305, a driving wheel 306, a key slot 307, a second rope 308, a limiting rod 309, a limiting block 310, a C-shaped frame 311, a guide rod 312 and a connecting block 313, the inner wall of the placing box 1 is connected with the supporting plate 304, the inner surface of the placing box 1 is connected with the supporting connecting plate 303, the inner wall of the supporting plate 304 is movably connected with the auxiliary shaft 302, the outer wall of the auxiliary shaft 302 is connected with the spline 305, one end of the auxiliary shaft 302 is rotatably connected with the limiting rod 309, the outer wall of the limiting rod 309 is slidably connected with the placing box 1, the other end of the auxiliary shaft 302 is connected with the auxiliary turntable 301, the outer wall of the auxiliary shaft 302 penetrates through the placing box 1, the outer wall of the limiting rod 309 is connected with the limiting block 310, and the center point of the limiting rod 309 is horizontally aligned with the center point of the driving shaft 202;
a driving wheel 306 is movably connected to the inner wall of the connecting plate 303, a keyway 307 is formed in the inner wall of the driving wheel 306, the outer surface of the auxiliary shaft 302 penetrates through the driving wheel 306, a second rope 308 is wound on the outer wall of the driving wheel 306, the tail end of the second rope 308 is connected with a C-shaped frame 311, a connecting block 313 is connected to the inner wall of the C-shaped frame 311, and the inner wall of the connecting block 313 is in sliding connection with a guide rod 312.
The auxiliary turntable 301 is pushed, the auxiliary turntable 301 pushes the auxiliary shaft 302 to move, the auxiliary shaft 302 pushes the limiting rod 309 to move, the limiting rod 309 drives the limiting block 310 to move, the limiting rod 309 and the limiting block 310 are inserted into the limiting groove 206 together, so that the rotation of the driving shaft 202 is limited, the driving mechanism 2 is kept stable, meanwhile, the auxiliary shaft 302 drives the spline 305 to move, the spline 305 is inserted into the keyway 307, the auxiliary turntable 301 is rotated, the auxiliary turntable 301 drives the auxiliary shaft 302 to rotate, the auxiliary shaft 302 drives the spline 305 to rotate, the spline 305 drives the keyway 307 to rotate, so as to drive the driving wheel 306 to move, the driving wheel 306 drives the second rope 308 to move, the second rope 308 drives the C-shaped frame 311 to move, the C-shaped frame 311 drives the connecting block 313 to slide on the guide rod 312, the auxiliary turntable 301 is rotated in the positive and negative directions, so that the C-shaped frame 311 can move up and down, and the C-shaped frame 311 pushes away solids floating around the liquid sampling piece, avoid more solids to pile up around liquid sampling spare, make sewage difficult to enter into in the liquid sampling spare.
Referring to fig. 3-10, the sampling mechanism 4 includes a liquid sampling member for taking a liquid sample, a surface solid sampling member for taking a solid sample on the surface of sewage, and a deep sampling member for taking a solid sample of deep sewage.
Referring to fig. 4-6, the liquid sampling member includes a collecting box 401, a C-shaped baffle 402, a through pipe 403, a J-shaped plate 404, a squeeze switch 405 and a warning light 406, the outer wall of the guide rod 312 is connected with the collecting box 401, the upper surface of the collecting box 401 is connected with the first rope 205, the upper end of the collecting box 401 is connected with the C-shaped baffle 402, the opening direction of the C-shaped baffle 402 is opposite to the opening direction of the C-shaped frame 311, the through pipe 403 is inserted into the upper end of the collecting box 401, and the C-shaped baffle 402 is positioned right above the through pipe 403;
the upper inner wall of the collecting box 401 is connected with a J-shaped plate 404, the inner wall of the J-shaped plate 404 is provided with an extrusion switch 405, the inner wall of the placing box 1 is connected with a prompting lamp 406, the prompting lamp 406 is electrically connected with the extrusion switch 405, and the type of the extrusion switch 405 is DS-428.
Referring to fig. 7-10, the superficial solid sampling piece includes a square tube 407, a filter screen 408, a square plate 409, a torsion spring 410 and a rotating plate 411, the outer wall of the collecting box 401 is connected with the square tube 407, the inner wall of the square tube 407 is connected with the filter screen 408, the bottom end of the square tube 407 is connected with the torsion spring 410, the outer wall of the torsion spring 410 is connected with the rotating plate 411, the inner wall of the square tube 407 is connected with the square plate 409, and the square plate 409 is located above the rotating plate 411.
The solid that floats on square pipe 407 can be along with collecting box 401's removal, flow into square pipe 407 in, the liquid part can pass filter screen 408, then remove the gravity of liquid self, outwards extrude commentaries on classics board 411, make commentaries on classics board 411 drive torsion spring 410 compression, liquid flows out from the bottom of square pipe 407, torsion spring 410 takes commentaries on classics board 411 back to the normal position, plugs up the bottom of square pipe 407, utilizes square plate 409 to restrict the ascending rotation of commentaries on classics board 411, the solid will remain on filter screen 408.
Referring to fig. 4, the deep sampling member includes a connecting rod 412, a circular tube 413 and an access hole 414, the connecting rod 412 is connected to the lower end of the C-shaped frame 311, the circular tube 413 is connected to the outer wall of the connecting rod 412, both ends of the circular tube 413 are provided with sealing caps, and the access hole 414 is opened in the outer wall of the circular tube 413.
Referring to fig. 6, the outer wall of the squeeze switch 405 is provided with a waterproof film to prevent water from entering the squeeze switch 405.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An urban underground sewage monitoring and sampling device for environmental monitoring comprises a placing box (1) and is characterized by comprising a driving mechanism (2), an auxiliary mechanism (3) and a sampling mechanism (4);
the driving mechanism (2) is used for placing the sampling mechanism (4) into a sewer pipeline, and the driving mechanism (2) is arranged on the placing box (1);
the auxiliary mechanism (3) is used for assisting the driving mechanism (2) and the sampling mechanism (4) to operate, and the auxiliary mechanism (3) is installed in the placing box (1);
sampling mechanism (4), sampling mechanism (4) are used for collecting the sewage sample, sampling mechanism (4) are installed on actuating mechanism (2).
2. The urban underground sewage monitoring and sampling device for environmental monitoring according to claim 1, wherein the driving mechanism (2) comprises a driving turntable (201), a driving shaft (202), a supporting rod (203), a rotating wheel (204), a first rope (205) and a limiting groove (206), the supporting rod (203) is connected to the inner wall of the placing box (1), the driving shaft (202) is movably connected to the inner wall of the supporting rod (203), the driving turntable (201) is connected to one end of the driving shaft (202), the limiting groove (206) is formed in the other end of the driving shaft (202), the outer wall of the driving shaft (202) penetrates through the placing box (1), the rotating wheel (204) is connected to the outer surface of the driving shaft (202), and the first rope (205) is wound on the outer wall of the rotating wheel (204).
3. The urban underground sewage monitoring and sampling device for environmental monitoring according to claim 2, wherein the auxiliary mechanism (3) comprises an auxiliary turntable (301), an auxiliary shaft (302), a connecting plate (303), a support plate (304), a spline (305), a driving wheel (306), a key slot (307), a second rope (308), a limiting rod (309), a limiting block (310), a C-shaped frame (311), a guide rod (312) and a connecting block (313), the inner wall of the placing box (1) is connected with the support plate (304), the inner surface of the placing box (1) is connected with the support connecting plate (303), the inner wall of the support plate (304) is movably connected with the auxiliary shaft (302), the outer wall of the auxiliary shaft (302) is connected with the spline (305), one end of the auxiliary shaft (302) is rotatably connected with the limiting rod (309), the outer wall of the limiting rod (309) is slidably connected with the placing box (1), the other end of the auxiliary shaft (302) is connected with an auxiliary turntable (301), the outer wall of the auxiliary shaft (302) penetrates through the placing box (1), the outer wall of the limiting rod (309) is connected with a limiting block (310), and the central point of the limiting rod (309) is horizontally aligned with the central point of the driving shaft (202);
the inner wall swing joint of connecting plate (303) has driving wheel (306), keyway (307) have been seted up to the inner wall of driving wheel (306), driving wheel (306) is passed to the surface of auxiliary shaft (302), the outer wall winding of driving wheel (306) is provided with second rope (308), the end-to-end connection of second rope (308) has C type frame (311), the inner wall connection of C type frame (311) has even piece (313), the inner wall and guide arm (312) sliding connection who links piece (313).
4. The municipal underground sewage monitoring and sampling device for environmental monitoring according to claim 1, wherein the sampling mechanism (4) comprises a liquid sampling member for sampling a liquid sample, a surface solid sampling member for sampling a solid sample on the surface of sewage, and a deep sampling member for sampling a solid sample of deep sewage.
5. The municipal underground sewage monitoring and sampling device for environmental monitoring according to claim 3 or 4, wherein the liquid sampling member comprises a collection box (401), a C-shaped baffle (402), a through pipe (403), a J-shaped plate (404), a squeezing switch (405) and a warning light (406), the outer wall of the guide rod (312) is connected with the collection box (401), the upper surface of the collection box (401) is connected with a first rope (205), the upper end of the collection box (401) is connected with the C-shaped baffle (402), the opening direction of the C-shaped baffle (402) is opposite to that of the C-shaped frame (311), the through pipe (403) is inserted into the upper end of the collection box (401), and the C-shaped baffle (402) is located right above the through pipe (403);
the inner wall of going up of collecting box (401) is connected with J template (404), the inner wall of J template (404) is provided with extrusion switch (405), the inner wall of placing box (1) is connected with warning light (406), warning light (406) and extrusion switch (405) adopt electric connection.
6. The urban underground sewage monitoring and sampling device for environmental monitoring according to claim 5, wherein the surface layer solid sampling piece comprises a square tube (407), a filter screen (408), a square plate (409), a torsion spring (410) and a rotating plate (411), the outer wall of the collecting box (401) is connected with the square tube (407), the inner wall of the square tube (407) is connected with the filter screen (408), the bottom end of the square tube (407) is connected with the torsion spring (410), the outer wall of the torsion spring (410) is connected with the rotating plate (411), the inner wall of the square tube (407) is connected with the square plate (409), and the square plate (409) is located above the rotating plate (411).
7. The urban underground sewage monitoring and sampling device for environmental monitoring according to claim 5, wherein the deep sampling piece comprises a connecting rod (412), a round tube (413) and an access hole (414), the lower end of the C-shaped frame (311) is connected with the connecting rod (412), the outer wall of the connecting rod (412) is connected with the round tube (413), both ends of the round tube (413) are provided with sealing caps, and the access hole (414) is opened in the outer wall of the round tube (413).
8. The municipal underground sewage monitoring and sampling device for environmental monitoring according to claim 5, wherein the outer wall of the squeeze switch (405) is provided with a waterproof membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111411753.8A CN113916601A (en) | 2021-11-25 | 2021-11-25 | Urban underground sewage monitoring and sampling device for environmental monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111411753.8A CN113916601A (en) | 2021-11-25 | 2021-11-25 | Urban underground sewage monitoring and sampling device for environmental monitoring |
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| Publication Number | Publication Date |
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| CN113916601A true CN113916601A (en) | 2022-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408176A (en) * | 2022-02-22 | 2022-04-29 | 黄河水利职业技术学院 | Unmanned aerial vehicle for surveying and mapping |
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2021
- 2021-11-25 CN CN202111411753.8A patent/CN113916601A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408176A (en) * | 2022-02-22 | 2022-04-29 | 黄河水利职业技术学院 | Unmanned aerial vehicle for surveying and mapping |
| CN114408176B (en) * | 2022-02-22 | 2022-08-23 | 黄河水利职业技术学院 | Unmanned aerial vehicle for surveying and mapping |
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