CN213068316U - Groundwater sampling device for environmental monitoring - Google Patents
Groundwater sampling device for environmental monitoring Download PDFInfo
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- CN213068316U CN213068316U CN202022188465.8U CN202022188465U CN213068316U CN 213068316 U CN213068316 U CN 213068316U CN 202022188465 U CN202022188465 U CN 202022188465U CN 213068316 U CN213068316 U CN 213068316U
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Abstract
The utility model discloses an environmental monitoring groundwater sampling device, including returning the shape mount pad, the equal fixed mounting in bottom four corners of shape mount pad has fixed inserted bar, and establish to the toper structure bottom of fixed inserted bar, return and rotate between the both sides inner wall of shape mount pad and install the pivot, fixed cover is equipped with the wire winding roller in the pivot, and the right-hand member of pivot extends to and returns the shape mount pad outer and fixed mounting have the rocking disc, and rocking disc screw-thread fastening is on the right side of shape mount pad, and the winding is fixed with the stay cord on the wire winding roller, and the below of wire winding roller is equipped with the sampling box that the top set up for the opening. The utility model relates to a rationally, be convenient for carry out the shutoff to the inlet tube fast after the sampling, the phenomenon in the sampling box is entered into to upper groundwater in the in-process that can avoid shifting up the sampling box appears, avoids the mixture of water sample, guarantees the normal monitoring of water sample, and can take out electric telescopic handle, reaches the maintenance operation in the later stage of being convenient for, satisfies the user demand.
Description
Technical Field
The utility model relates to a groundwater sampling equipment technical field especially relates to an groundwater sampling device for environmental monitoring.
Background
Water is an important resource for human survival, and underground water is widely developed and utilized due to the advantages of stable water quantity, good water quality and the like; before development, the quality of underground water at the position is generally required to be sampled and monitored, an underground water sampling device is generally used in the underground water sampling process, most of the existing underground water sampling devices directly place a sampling cylinder in the underground water, the underground water enters the sampling cylinder under the action of self pressure, and then the sampling cylinder is taken out through an extraction device; however, the sampling mode cannot meet the stable sampling requirements of different deep water layers, and the phenomenon that the upper-layer underground water enters the sampling cylinder easily occurs in the upward lifting process of the sampling cylinder, so that the obtained water samples are mixed water samples of upper and lower layers, the detection result of the water samples is influenced, and the use requirements cannot be met, so that the underground water sampling device for environment monitoring is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a groundwater sampling device for environmental monitoring.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an environment monitoring groundwater sampling device, includes the shape mount pad that returns, the bottom four corners of shape mount pad is all fixed mounting has fixed inserted bar, the bottom of fixed inserted bar is established to the toper structure, it installs the pivot to rotate between the both sides inner wall of shape mount pad to return, fixed cover is equipped with the wire winding roller in the pivot, the right-hand member of pivot extends to the shape mount pad outside and fixed mounting has the rocking disc, the rocking disc screw-thread fastening is in the right side of shape mount pad that returns, the winding is twined and is fixed with the stay cord on the wire winding roller, the below of wire winding roller is equipped with the sampling box that the top set up for the opening, the welding of the top of sampling box has the apron, the top of apron and the bottom fixed connection of stay cord, the right side of sampling box communicates and is fixed with the inlet tube, the inner wall right side of inlet tube is established to bowl cover shape structure, the sealed movable sleeve of inlet tube is equipped with the shutoff ball, the bottom of the mounting box is fixedly provided with a balancing weight, the left side of the mounting box is fixedly provided with a baffle plate in a sealing and threaded manner, the left side of the blocking ball is fixedly provided with an L-shaped movable rod, the left inner wall of the sampling box is fixedly provided with a rectangular box with a blocking structure, the left side of the L-shaped movable rod penetrates through the rectangular box and extends to the left side of the sampling box, the sampling box and the rectangular box are hermetically and slidably sleeved on the L-shaped movable rod, the L-shaped movable rod is fixedly sleeved with a movable block, the movable block is slidably sleeved in the rectangular box, a spring is fixedly arranged between the right side of the movable block and the right inner wall of the rectangular box, the spring is movably sleeved on the L-shaped movable rod, the left inner wall of the L-shaped movable rod is fixedly provided with a rectangular rod, the bottom of the left side of the sampling box is provided with a rectangular groove, in the bottom of push rod extended to the mounting box, the right side from the top down of baffle fixed mounting had electric telescopic handle, battery, wireless remote control switch and singlechip in proper order, and electric telescopic handle's output shaft right-hand member fixed mounting has the ejector pad, the right side of ejector pad and the left side bottom swing joint of push rod.
Preferably, electric telescopic handle and singlechip all with battery electric connection, singlechip and electric telescopic handle and wireless remote control switch electric connection, wireless remote control switch matches and is provided with outside remote controller.
Preferably, a first rectangular hole is formed in the inner wall of the bottom of the rectangular groove, a second rectangular hole is formed in the inner wall of the top of the mounting box, and the front side inner wall and the rear side inner wall of the first rectangular hole and the front side inner wall and the rear side inner wall of the second rectangular hole are respectively in sliding connection with the front side and the rear side of the push rod.
Preferably, two thread grooves are formed in the left side of the mounting box, first fastening bolts are sleeved in the thread grooves, a sealing gasket is fixedly bonded on the right side of the baffle plate, the right side of the sealing gasket is in close contact with the left side of the mounting box, and the baffle plate is sleeved on the two first fastening bolts in a threaded manner.
Preferably, the outside cladding of L shape carriage release lever has first rubber seal, has seted up the third rectangular hole on the left side inner wall of sampling box, has seted up the fourth rectangular hole on the right side inner wall of rectangle box, and the inner wall in third rectangular hole and the inner wall in fourth rectangular hole all with the outside in close contact with of first rubber seal.
Preferably, the outside cladding of rectangular rod has the second rubber seal, the inner wall in rectangular channel and the outside in close contact with of second rubber seal.
Preferably, the right side bottom in close contact with of returning the shape mount pad has second fastening bolt, shakes a set threaded sleeve and establishes on second fastening bolt, has seted up the circular port on the right side inner wall of returning the shape mount pad, and the circular port internal fixation cover is equipped with first bearing, has seted up the rotation groove on the left side inner wall of returning the shape mount pad, and the fixed cover of rotation inslot is equipped with the second bearing, and the inner circle inboard of first bearing and the inner circle inboard of second bearing all with the outside fixed connection of pivot.
Compared with the prior art, the beneficial effects of the utility model are that:
by the clip mounting seat, the winding roller, the stay cord, the sampling box, the mounting box, the water inlet pipe, the plugging ball, the L-shaped movable rod, the rectangular box, the movable block, the spring, the rectangular rod, the push rod, the baffle, the electric telescopic rod, the push block, the storage battery is matched with the rectangular groove, when sampling operation is carried out, the sampling box and the mounting box are placed into underground water, when the sampling box enters the required depth, the electric telescopic rod is controlled to be started in the forward direction through an external remote controller, the output shaft of the electric telescopic rod pushes the push rod through the push block, the pushed force drives the L-shaped movable rod to move in the right direction through the push rod and the rectangular rod, the L-shaped movable rod drives the movable block to move in the right direction in the rectangular box and compresses the spring, the L-shaped movable rod pushes the plugging ball to move in the right direction and move out from the water, after sampling is finished, the electric telescopic rod is reversely started by an external remote controller to drive the push block to move leftwards and release the extrusion force on the push rod, at the moment, the elastic force of the spring drives the L-shaped movable rod to move leftwards through the movable block, the L-shaped movable rod drives the plugging ball to move leftwards and plug the water inlet pipe again while moving leftwards, and then the pull rope is wound by rotating the winding roller, further driving the sampling box and the mounting box to be taken out of the underground water, starting the electric telescopic rod forward again, so that the blocking ball is moved out of the water inlet pipe again, at the moment, the water in the sampling box flows out through the water inlet pipe, further completing the sampling work, when the electric telescopic rod needs to be taken out for later maintenance operation, two first fastening bolts are rotated in the forward direction and moved out of the two thread grooves, and then the baffle is pulled leftwards to drive the electric telescopic rod, the storage battery, the wireless remote control switch and the single chip microcomputer to be taken out of the mounting box.
The utility model relates to a rationally, be convenient for carry out the shutoff to the inlet tube fast after the sampling, the phenomenon in the sampling box is entered into to upper groundwater in the in-process that can avoid shifting up the sampling box appears, avoids the mixture of water sample, guarantees the normal monitoring of water sample, and can take out electric telescopic handle, reaches the maintenance operation in the later stage of being convenient for, satisfies the user demand.
Drawings
Fig. 1 is a schematic sectional view of an underground water sampling device for environmental monitoring according to the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the device comprises a 1-turn mounting seat, 2 winding rollers, 3 pull ropes, 4 sampling boxes, 5 mounting boxes, 6 water inlet pipes, 7 blocking balls, 8L-shaped moving rods, 9 rectangular boxes, 10 moving blocks, 11 springs, 12 rectangular rods, 13 push rods, 14 baffle plates, 15 electric telescopic rods, 16 push blocks, 17 storage batteries and 18 rectangular grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, an underground water sampling device for environmental monitoring comprises a clip-shaped mounting base 1, fixed insertion rods are fixedly mounted at four corners of the bottom of the clip-shaped mounting base 1, the bottom end of each fixed insertion rod is of a conical structure, a rotating shaft is rotatably mounted between inner walls of two sides of the clip-shaped mounting base 1, a winding roller 2 is fixedly sleeved on the rotating shaft, the right end of the rotating shaft extends out of the clip-shaped mounting base 1 and is fixedly provided with a rocking disc, the rocking disc is fastened at the right side of the clip-shaped mounting base 1 through threads, a pull rope 3 is wound and fixed on the winding roller 2, a sampling box 4 with an opening at the top is arranged below the winding roller 2, a cover plate is welded at the top of the sampling box 4, the top of the cover plate is fixedly connected with the bottom end of the pull rope 3, a water inlet pipe 6 is communicated and fixed at the right side of the sampling box 4, a bowl, the right side of a blocking ball 7 extends out of a water inlet pipe 6, the bottom of a sampling box 4 is fixedly provided with a mounting box 5 with the left side provided with an opening, the bottom of the mounting box 5 is fixedly provided with a balancing weight, the left side of the mounting box 5 is fixedly screwed with a baffle plate 14, the left side of the blocking ball 7 is fixedly provided with an L-shaped movable rod 8, the left side inner wall of the sampling box 4 is fixedly provided with a rectangular box 9 with the left side provided with a blocking structure, the left side of the L-shaped movable rod 8 penetrates through the rectangular box 9 and extends to the left side of the sampling box 4, the sampling box 4 and the rectangular box 9 are both sleeved on the L-shaped movable rod 8 in a sealing and sliding manner, the L-shaped movable rod 8 is fixedly sleeved with a movable block 10, the movable block 10 is slidably sleeved in the rectangular box 9, a spring 11 is fixedly arranged between the right side of the movable block 10 and the right side inner wall of the rectangular box 9, the utility model has the advantages of reasonable design, convenient and fast plugging of the water inlet pipe 6 after sampling, avoiding the phenomenon that upper groundwater enters the sampling box 4 in the process of moving up the sampling box 4, avoiding the mixing of water samples, ensuring the normal monitoring of water samples, taking out the electric telescopic rod 15, and achieving the later-stage maintenance operation, the use requirement is met.
In the utility model, the electric telescopic rod 15 and the single chip microcomputer are electrically connected with the storage battery 17, the single chip microcomputer is electrically connected with the electric telescopic rod 15 and the wireless remote control switch, the wireless remote control switch is provided with an external remote controller in a matching way, the bottom inner wall of the rectangular groove 18 is provided with a first rectangular hole, the top inner wall of the mounting box 5 is provided with a second rectangular hole, the front inner wall and the rear inner wall of the first rectangular hole and the front inner wall and the rear inner wall of the second rectangular hole are respectively in sliding connection with the front side and the rear side of the push rod 13, the left side of the mounting box 5 is provided with two thread grooves, the thread grooves are internally thread sleeved with first fastening bolts, the right side of the baffle 14 is fixedly bonded with a sealing gasket, the right side of the sealing gasket is in close contact with the left side of the mounting box 5, the baffle 14 is thread sleeved on the two first fastening, the inner wall of the left side of the sampling box 4 is provided with a third rectangular hole, the inner wall of the right side of the rectangular box 9 is provided with a fourth rectangular hole, the inner wall of the third rectangular hole and the inner wall of the fourth rectangular hole are both in close contact with the outer side of the first rubber seal, the outer side of the rectangular rod 12 is coated with a second rubber seal, the inner wall of the rectangular groove 18 is in close contact with the outer side of the second rubber seal, the bottom of the right side of the clip-shaped mounting seat 1 is in close contact with a second fastening bolt, a rocking disc threaded sleeve is sleeved on the second fastening bolt, the inner wall of the right side of the clip-shaped mounting seat 1 is provided with a circular hole, a first bearing is fixedly sleeved in the circular hole, the inner wall of the left side of the clip-shaped mounting seat 1 is provided with a rotating groove, a second bearing is fixedly sleeved in the rotating groove, the inner side of the inner ring of the first bearing and the inner side of the inner ring of the, the phenomenon that upper groundwater entered into sampling box 4 appears in the in-process that can avoid moving up sampling box 4, avoids the mixture of water sample, guarantees the normal monitoring of water sample, and can take out electric telescopic handle 15, reaches the maintenance operation in the later stage of being convenient for, satisfies the user demand.
The working principle is as follows: when the sampling device is used, during sampling operation, the second fastening bolt is rotated in the forward direction to be separated from the right side bottom of the clip mounting seat 1, so that the fixing of a rocking disc is released, then the rocking disc is rotated in the forward direction, the rocking disc drives the wire winding roller 2 to rotate through the rotating shaft and release the pull rope 3, at the moment, under the action of the gravity of a balancing weight, the sampling box 4 and the mounting box 5 gradually enter underground water, through observation, when the sampling box 4 enters a required depth, the rotation of the rocking disc is stopped, the second fastening bolt is rotated in the reverse direction to be in close contact with the right side of the clip mounting seat 1, so that the sampling box 4 is fixed, then the wireless remote control switch is controlled to be opened through an external remote controller, the wireless remote control switch controls the electric telescopic rod 15 to be started in the forward direction through a single chip microcomputer, the output shaft of the electric telescopic rod 15 drives the push block 16 to move rightwards, the push rod 13 drives the rectangular rod 12 to move rightwards in the rectangular groove 18, the rectangular rod 12 moves rightwards and drives the L-shaped moving rod 8 to move rightwards, the L-shaped moving rod 8 drives the moving block 10 to move rightwards in the rectangular box 9 and compress the spring 11, meanwhile, the L-shaped moving rod 8 pushes the blocking ball 7 to move rightwards and move out of the water inlet pipe 6, blocking on the water inlet pipe 6 is eliminated, groundwater enters the sampling box 4 through the water inlet pipe 6 under the action of self pressure, after sampling is completed, the electric telescopic rod 15 is started reversely through an external remote controller, an output shaft of the electric telescopic rod 15 drives the push block 16 to move leftwards and release extrusion force on the push rod 13, the elastic force of the spring 11 in a compression state is reset, the elastic force of the spring 11 drives the moving block 10 to move leftwards, the moving block 10 drives the L-shaped moving rod 8 to move leftwards, the L-shaped moving rod 8 moves leftwards and drives the The second fastening bolt is rotated in the forward direction and the disc is shaken in the reverse direction, so that the wire winding roller 2 winds the pull rope 3, the winding force drives the sampling box 4 and the mounting box 5 to be taken out of underground water, the electric telescopic rod 15 is started in the forward direction again at the moment, the blocking ball 7 is moved out of the water inlet pipe 6 again to remove blocking of the water inlet pipe 6, water in the sampling box 4 flows out through the water inlet pipe 6 at the moment, sampling work is further completed, the water inlet pipe 6 is conveniently blocked after sampling, the phenomenon that upper-layer underground water enters the sampling box 4 in the process of moving the sampling box 4 upwards can be avoided, mixing of water samples is avoided, and normal monitoring of the water samples is ensured;
when needs take out electric telescopic handle 15 and carry out the maintenance operation in later stage, two first fastening bolt of forward rotation shift out from two thread groove, stimulate baffle 14 left immediately, and baffle 14 drives electric telescopic handle 15, battery 17, wireless remote switch and singlechip and takes out from mounting box 5, and electric telescopic handle 15 drives ejector pad 16 and separates with push rod 13 left, and then the maintenance operation in the later stage of being convenient for.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an groundwater sampling device for environmental monitoring, including returning shape mount pad (1), the equal fixed mounting in bottom four corners of returning shape mount pad (1) has fixed inserted bar, the bottom of fixed inserted bar is established to the toper structure, a serial communication port, it installs the pivot to rotate between the both sides inner wall of returning shape mount pad (1), fixed cover is equipped with wire winding roller (2) in the pivot, the right-hand member of pivot extends to returning shape mount pad (1) and fixed mounting has the rocking disc, rocking disc screw-thread fastening is on the right side of returning shape mount pad (1), twine and be fixed with stay cord (3) on wire winding roller (2), the below of wire winding roller (2) is equipped with sampling box (4) that the top set up for the opening, the top welding of sampling box (4) has the apron, the top of apron and the bottom fixed connection of stay cord (3), the right side intercommunication of sampling box (4) is fixed with inlet tube (6), the right side of the inner wall of the water inlet pipe (6) is arranged to be of a bowl-shaped structure, a sealing movable sleeve is arranged in the water inlet pipe (6) and is provided with a sealing ball (7), the right side of the sealing ball (7) extends out of the water inlet pipe (6), the bottom of the sampling box (4) is fixedly provided with a mounting box (5) with the left side arranged for an opening, the bottom of the mounting box (5) is fixedly provided with a balancing weight, the left side of the mounting box (5) is fixedly provided with a baffle (14) in a sealing and threaded manner, the left side of the sealing ball (7) is fixedly provided with an L-shaped movable rod (8), a rectangular box (9) with the left side arranged for a sealing structure is fixedly arranged on the inner wall of the left side of the sampling box (4), the left side of the L-shaped movable rod (8) penetrates through the rectangular box (9) and extends to the left side of the sampling box (4), the sampling box (4) and the rectangular box, a moving block (10) is sleeved in a rectangular box (9) in a sliding manner, a spring (11) is fixedly arranged between the right side of the moving block (10) and the inner wall of the right side of the rectangular box (9), the spring (11) is movably sleeved on an L-shaped moving rod (8), a rectangular rod (12) is fixedly arranged on the inner wall of the left side of the L-shaped moving rod (8), a rectangular groove (18) is formed in the bottom of the left side of a sampling box (4), the right end of the rectangular rod (12) extends into the rectangular groove (18), the sampling box (4) is sleeved on the rectangular rod (12) in a sealing and sliding manner, a push rod (13) is fixedly arranged at the right end of the rectangular rod (12), the bottom end of the push rod (13) extends into a mounting box (5), an electric telescopic rod (15), a storage battery (17), a wireless remote control switch and a single chip microcomputer are sequentially and fixedly arranged on the right side of a baffle plate, the right side of the push block (16) is movably contacted with the bottom of the left side of the push rod (13).
2. The groundwater sampling device for environmental monitoring as claimed in claim 1, wherein the electric telescopic rod (15) and the single chip microcomputer are both electrically connected with the storage battery (17), the single chip microcomputer is electrically connected with the electric telescopic rod (15) and a wireless remote control switch, and the wireless remote control switch is provided with an external remote controller in a matching manner.
3. The groundwater sampling device for environmental monitoring as claimed in claim 1, wherein a first rectangular hole is formed in the bottom inner wall of the rectangular groove (18), a second rectangular hole is formed in the top inner wall of the mounting box (5), and the front side inner wall and the rear side inner wall of the first rectangular hole and the front side inner wall and the rear side inner wall of the second rectangular hole are slidably connected with the front side and the rear side of the push rod (13), respectively.
4. The groundwater sampling device for environmental monitoring as claimed in claim 1, wherein two thread grooves are formed in the left side of the mounting box (5), first fastening bolts are sleeved in the thread grooves in a sleeved mode, a sealing gasket is fixedly bonded to the right side of the baffle plate (14), the right side of the sealing gasket is in close contact with the left side of the mounting box (5), and the baffle plate (14) is sleeved on the two first fastening bolts in a threaded mode.
5. The groundwater sampling device for environmental monitoring as claimed in claim 1, wherein the outside of the L-shaped movable rod (8) is coated with a first sealing rubber, a third rectangular hole is formed in the inner wall of the left side of the sampling box (4), a fourth rectangular hole is formed in the inner wall of the right side of the rectangular box (9), and the inner wall of the third rectangular hole and the inner wall of the fourth rectangular hole are both in close contact with the outside of the first sealing rubber.
6. The groundwater sampling device for environmental monitoring as claimed in claim 1, wherein the outside of the rectangular rod (12) is coated with a second rubber sealant, and the inner wall of the rectangular groove (18) is in close contact with the outside of the second rubber sealant.
7. The groundwater sampling device for environmental monitoring as claimed in claim 1, wherein the bottom of the right side of the clip-shaped mounting seat (1) is in close contact with a second fastening bolt, the rocking disc is screwed on the second fastening bolt, a circular hole is formed in the inner wall of the right side of the clip-shaped mounting seat (1), a first bearing is fixedly sleeved in the circular hole, a rotating groove is formed in the inner wall of the left side of the clip-shaped mounting seat (1), a second bearing is fixedly sleeved in the rotating groove, and the inner side of the inner ring of the first bearing and the inner side of the inner ring of the second bearing are both fixedly connected with the outer side of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022188465.8U CN213068316U (en) | 2020-09-29 | 2020-09-29 | Groundwater sampling device for environmental monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022188465.8U CN213068316U (en) | 2020-09-29 | 2020-09-29 | Groundwater sampling device for environmental monitoring |
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| Publication Number | Publication Date |
|---|---|
| CN213068316U true CN213068316U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022188465.8U Expired - Fee Related CN213068316U (en) | 2020-09-29 | 2020-09-29 | Groundwater sampling device for environmental monitoring |
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| CN (1) | CN213068316U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654829A (en) * | 2021-08-16 | 2021-11-16 | 天津市生态环境监测中心 | Anti-drop's unmanned aerial vehicle detects collection device for sampling |
| CN113820183A (en) * | 2021-10-11 | 2021-12-21 | 山西华普检测技术有限公司 | Sampling device for water pollution detection and sampling method thereof |
| CN113984448A (en) * | 2021-11-15 | 2022-01-28 | 蓝民江 | Water sampling equipment for sewage treatment |
| CN114184415A (en) * | 2021-11-25 | 2022-03-15 | 浙江省海洋水产研究所 | Handheld sampling device for marine shallow sediment |
| CN114609353A (en) * | 2022-03-08 | 2022-06-10 | 交通运输部天津水运工程科学研究所 | Automatic ups and downs formula ocean section temperature, salt, dark, turbid monitoring devices |
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2020
- 2020-09-29 CN CN202022188465.8U patent/CN213068316U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654829A (en) * | 2021-08-16 | 2021-11-16 | 天津市生态环境监测中心 | Anti-drop's unmanned aerial vehicle detects collection device for sampling |
| CN113654829B (en) * | 2021-08-16 | 2023-11-03 | 天津市生态环境监测中心 | Anti-drop's unmanned aerial vehicle detects collection device for sampling |
| CN113820183A (en) * | 2021-10-11 | 2021-12-21 | 山西华普检测技术有限公司 | Sampling device for water pollution detection and sampling method thereof |
| CN113820183B (en) * | 2021-10-11 | 2023-08-22 | 山西华普检测技术有限公司 | Sampling device for water pollution detection and sampling method thereof |
| CN113984448A (en) * | 2021-11-15 | 2022-01-28 | 蓝民江 | Water sampling equipment for sewage treatment |
| CN114184415A (en) * | 2021-11-25 | 2022-03-15 | 浙江省海洋水产研究所 | Handheld sampling device for marine shallow sediment |
| CN114184415B (en) * | 2021-11-25 | 2024-03-15 | 浙江省海洋水产研究所 | Handheld ocean shallow sediment sampling device |
| CN114609353A (en) * | 2022-03-08 | 2022-06-10 | 交通运输部天津水运工程科学研究所 | Automatic ups and downs formula ocean section temperature, salt, dark, turbid monitoring devices |
| CN114609353B (en) * | 2022-03-08 | 2023-10-27 | 交通运输部天津水运工程科学研究所 | Automatic sinking-floating ocean profile temperature, salt, depth and turbidity monitoring device |
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Granted publication date: 20210427 Termination date: 20210929 |