CN112304726A - High-efficient dehydrating unit of sample for soil detection - Google Patents
High-efficient dehydrating unit of sample for soil detection Download PDFInfo
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- CN112304726A CN112304726A CN202011198360.9A CN202011198360A CN112304726A CN 112304726 A CN112304726 A CN 112304726A CN 202011198360 A CN202011198360 A CN 202011198360A CN 112304726 A CN112304726 A CN 112304726A
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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
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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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
- G01N1/38—Diluting, dispersing or mixing samples
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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
- G01N1/44—Sample treatment involving radiation, e.g. heat
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Abstract
The invention discloses a high-efficiency dehumidifying device for a sample for soil detection, which belongs to the technical field of soil detection and comprises a box body, wherein a box door is arranged at one end of the box body, an exhaust pipe is arranged at the top end of the box body, a dehumidifying mechanism is arranged inside the box body, the dehumidifying mechanism comprises a driving motor, the output end of the driving motor is fixedly connected with a transmission shaft, the top end of the transmission shaft is fixedly connected with a propeller blade, a stirring piece is arranged below the propeller blade, a storage box which is in sliding connection with the transmission shaft is arranged below the stirring piece, and an elastic flow guide cover corresponding to the box body is arranged at the top end of the storage; the soil moisture removing device is simple in structure, convenient to use and low in failure rate, soil is thrown up through the operation of the driving motor during use, and the soil adhered together is scattered by matching with the rotation of the stirring piece, so that the contact area of the soil and air is increased, the time consumed by a user during soil moisture removal is effectively shortened, and the working efficiency of the user is improved.
Description
Technical Field
The invention belongs to the technical field of soil detection, and particularly relates to a sample efficient dehumidifying device for soil detection.
Background
Chinese patent (publication No. CN 210604089U) discloses a soil sample dehumidifying device for environmental detection, which comprises a housing, wherein the upper surface of the housing is clamped with a first bearing, the first bearing is sleeved with a driving device, and the left and right side surfaces of the driving device are fixedly connected with fixing rods. This soil sample dehydrating unit for environmental detection through mutually supporting of apron, puddler, drive arrangement and fan, at first people pour soil into place the dish in, then cover the apron lid on the surface of placing the dish.
This dehydrating unit's advantage lies in, turns over through the puddler and stirs soil, dehumidifies soil through the operation of fan, makes dehydrating unit's dehumidification effect better.
However, although the soil is stirred by the stirring rod, the contact effect of the soil and the air is still poor, so that a user needs to spend a long time when dehumidifying the soil, and the working efficiency of the user is affected.
Disclosure of Invention
The invention aims to provide a high-efficiency dehumidification device for a sample for soil detection, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a sample high-efficiency dehumidifying device for soil detection comprises a box body, wherein a box door is arranged at one end of the box body, an exhaust pipe is arranged at the top end of the box body, a dehumidifying mechanism is arranged inside the box body and comprises a driving motor, a transmission shaft is fixedly connected with the output end of the driving motor, a propeller blade is fixedly connected with the top end of the transmission shaft, a stirring piece is arranged below the propeller blade, a storage box which is in sliding connection with the transmission shaft is arranged below the stirring piece, an elastic flow guide cover which corresponds to the box body is arranged at the top end of the storage box, a first driving gear is fixedly connected with the bottom end of the transmission shaft, first transmission rods are arranged on two sides of the first driving gear, a first limiting shaft sleeve which corresponds to the box body is arranged in the middle of each first transmission rod, a first driven gear which is meshed and connected with the first driving gear is fixedly connected with one end of each first, the lower surface both ends fixedly connected with of storage tank play piece, the top sliding connection of play piece have with box fixed connection's spacing sleeve pipe.
As a further scheme of the invention: the top of transmission shaft is provided with the second driving gear, the both sides of second driving gear are provided with the second transfer line, the middle part of second transfer line is provided with the spacing axle sleeve of second corresponding with the box, the one end fixedly connected with of second transfer line and the second driven gear of second driving gear meshing connection, the other end fixedly connected with transmission disc of second transfer line, the side bottom fixedly connected with transmission cylinder of transmission disc, the top of transmission disc is provided with the piston cylinder with box fixed connection, the bottom fixedly connected with of piston cylinder and the corresponding driving medium of transmission cylinder, the upper surface one end of piston cylinder is provided with the exhaust tube, the top of exhaust tube is provided with the first check valve that prevents gas discharge piston cylinder, the upper surface other end of piston cylinder is provided with the jet-propelled pipe, the top of jet-propelled pipe is provided with the second check valve that prevents gas.
As a still further scheme of the invention: the top of second driving gear is provided with the insulating tube, and the bottom and the box of insulating tube pass through welding mode fixed connection, and the exhaust tube runs through the insulating tube setting, and the surface of insulating tube is provided with the heat preservation cotton, and the heat preservation is cotton to be connected through the glue bonding with the insulating tube.
As a still further scheme of the invention: the top of insulating tube is provided with the second dust screen, and the material of second dust screen is the stainless steel, and the second dust screen passes through screw fixed connection with the insulating tube, and the material of elasticity kuppe is rubber.
As a still further scheme of the invention: the top fixedly connected with heating sleeve of driving motor, heating sleeve's surface is provided with the heating fin, and the heating fin is the cuboid structure, and the material of heating fin is copper, and the heating fin passes through welding mode fixed connection with heating sleeve.
As a still further scheme of the invention: the material of heating sleeve pipe is copper, and heating sleeve pipe passes through screw fixed connection with driving motor, is provided with the heat conduction silica gel that corresponds with driving motor on heating sleeve pipe's the inner wall.
As a still further scheme of the invention: the piece that shakes is "T" font structure, and the top and the storage tank of the piece that shakes pass through welding mode fixed connection, and the bottom of the piece that shakes is provided with the cushion ring, and the material of cushion ring is rubber, and the cushion ring passes through glue bonding connection with the piece that shakes.
As a still further scheme of the invention: the top of blast pipe is provided with first dust screen, and the material of first dust screen is the stainless steel, and first dust screen passes through screw fixed connection with the blast pipe.
As a still further scheme of the invention: the top of box is provided with the division board, and division board and box pass through welding mode fixed connection, and the blast pipe runs through the division board setting, and the bottom of blast pipe passes through glue bonding connection with the division board.
As a still further scheme of the invention: the lower surface of box is provided with anti-skidding backing plate, and the material of anti-skidding backing plate is rubber, and anti-skidding backing plate passes through glue bonding with the box and is connected.
Compared with the prior art, the invention has the beneficial effects that: the soil dehumidifying device is simple in structure, convenient to use and low in failure rate, soil is thrown up through the operation of the driving motor during use, and the soil adhered together is scattered by the rotation of the stirring piece, so that the contact area of the soil and air is increased, the time consumed by a user in soil dehumidifying is effectively shortened, and the working efficiency of the user is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a dehumidifying mechanism according to the present invention;
FIG. 3 is a schematic structural view of a heating jacket according to the present invention;
in the figure: 1-division plate, 2-box body, 3-dehumidification mechanism, 4-antiskid backing plate, 5-box door, 6-first dustproof net, 7-exhaust pipe, 31-driving cam, 32-first driven gear, 33-first driving gear, 34-first limit shaft sleeve, 35-first driving rod, 36-buffer washer, 371-limit sleeve, 372-storage box, 373-propeller blade, 374-gas ejector pipe, 375-second driving gear, 376-second limit shaft sleeve, 377-transmission piece, 378-piston cylinder, 379-heat preservation pipe, 381-heat preservation cotton, 382-second dustproof net, 383-driving motor, 384-heating sleeve, 385-heating fin, 386-exhaust pipe, 387-first check valve, 388-a second check valve, 389-a transmission disc, 391-a transmission cylinder, 392-a second transmission rod, 393-a second driven gear, 394-an elastic guide cover, 395-a stirring piece, 396-a transmission shaft and 397-a vibration starting piece.
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.
Example 1:
referring to fig. 1-3, the present invention provides a technical solution: a sample high-efficiency dehumidifying device for soil detection comprises a box body 2, one end of the box body 2 is movably connected with a box door 5 through a hinge, the use of the box door 5 is the prior art, when the box door 5 is closed, good sealing performance is achieved between the box door 5 and the box body 2, an exhaust pipe 7 is welded at the top end of the box body 2, a dehumidifying mechanism 3 is arranged inside the box body 2, the dehumidifying mechanism 3 comprises a driving motor 383, the driving motor 383 is fixedly connected with the box body 2 through bolts, a transmission shaft 396 is welded at the output end of the driving motor 383, a propeller blade 373 is welded at the top end of the transmission shaft 396, air fluidity is increased through rotation of the propeller blade 373 during use, soil is dried and dehumidified, a stirring piece 395 is welded below the propeller blade 373, a storage box 372 in sliding connection with the transmission shaft 396 is arranged below the stirring piece 395, an elastic flow guide cover 394 corresponding to the box body 2 is, a first driving gear 33 is welded at the bottom end of the driving shaft 396, first driving rods 35 are arranged on two sides of the first driving gear 33, a first limiting shaft sleeve 34 corresponding to the box body 2 is arranged in the middle of the first driving rod 35, a first driven gear 32 meshed with the first driving gear 33 is welded at one end of the first driving rod 35, a driving cam 31 corresponding to the storage box 372 is welded at the other end of the first driving rod 35, vibration starting pieces 397 are fixedly connected to two ends of the lower surface of the storage box 372, and limiting sleeves 371 fixedly connected with the box body 2 are slidably connected to the top ends of the vibration starting pieces 397;
in order to improve the dehumidification effect of the dehumidification device, in this embodiment, preferably, a second driving gear 375 is welded at the top end of the transmission shaft 396, second transmission rods 392 are arranged at two sides of the second driving gear 375, a second limit bushing 376 corresponding to the box body 2 is arranged in the middle of the second transmission rod 392, a second driven gear 393 meshed with the second driving gear 375 is welded at one end of the second transmission rod 392, a transmission disc 389 is welded at the other end of the second transmission rod 392, a transmission cylinder 391 is welded at the bottom end of the side surface of the transmission disc 389, a piston cylinder 378 fixedly connected with the box body 2 is arranged above the transmission disc 389, a transmission member 377 corresponding to the transmission cylinder 391 is welded at the bottom end of the piston cylinder 378, the transmission member 377 is of a flat structure in the shape of a Chinese character 'hui', an exhaust tube 386 is arranged at one end of the upper surface of the piston cylinder 378, a first check valve 387, the other end of the upper surface of the piston cylinder 378 is provided with an air injection pipe 374, and the top end of the air injection pipe 374 is provided with a second check valve 388 for preventing air from entering the piston cylinder 378;
in order to improve the dehumidification effect of the dehumidification device, in this embodiment, preferably, a heat preservation pipe 379 is arranged above the second driving gear 375, the bottom end of the heat preservation pipe 379 is fixedly connected with the box body 2 in a welding manner, the exhaust pipe 386 penetrates through the heat preservation pipe 379, heat preservation cotton 381 is arranged on the outer surface of the heat preservation pipe 379, and the heat preservation cotton 381 and the heat preservation pipe 379 are bonded and connected through glue;
in order to improve the dust-proof effect of the heat preservation pipe 379, in this embodiment, preferably, a second dust-proof net 382 is arranged at the top end of the heat preservation pipe 379, the second dust-proof net 382 is made of stainless steel, the second dust-proof net 382 is fixedly connected with the heat preservation pipe 379 through screws, the elastic deflector 394 is made of rubber, the top end of the elastic deflector 394 is fixedly connected with the box body 2 through screws, and the bottom end of the elastic deflector 394 is bonded with the storage box 372 through glue;
in order to make the heating effect of the driving motor 383 better, in this embodiment, preferably, the top end of the driving motor 383 is fixedly connected with a heating sleeve 384, the outer surface of the heating sleeve 384 is provided with heating fins 385, the heating fins 385 are of a rectangular parallelepiped structure, the heating fins 385 are made of copper, and the heating fins 385 and the heating sleeve 384 are fixedly connected in a welding manner;
in order to make the heating sleeve 384 have a better heating effect on the air in the heat preservation pipe 379, in this embodiment, preferably, the heating sleeve 384 is made of copper, the heating sleeve 384 is fixedly connected with the driving motor 383 through screws, and the inner wall of the heating sleeve 384 is provided with heat-conducting silica gel corresponding to the driving motor 383;
in order to improve the vibration starting effect of the vibration starting member 397, in the present embodiment, it is preferable that the vibration starting member 397 has a "T" shaped structure, the top end of the vibration starting member 397 is fixedly connected to the storage box 372 by welding, the bottom end of the vibration starting member 397 is provided with the cushion washer 36, the cushion washer 36 is made of rubber, and the cushion washer 36 and the vibration starting member 397 are bonded and connected by glue.
Example 2:
on the basis of embodiment 1, in order to prevent dust from floating into the air through the exhaust pipe 7, in this embodiment, preferably, the top end of the exhaust pipe 7 is provided with a first dust-proof net 6, the first dust-proof net 6 is made of stainless steel, and the first dust-proof net 6 is fixedly connected with the exhaust pipe 7 through screws;
in order to make the use of the dehumidification device more reliable, in this embodiment, preferably, the top end of the box body 2 is provided with a partition plate 1, the partition plate 1 and the box body 2 are fixedly connected by welding, the exhaust pipe 7 penetrates through the partition plate 1, and the bottom end of the exhaust pipe 7 is bonded with the partition plate 1 by glue;
in order to make the antiskid effect of box 2 better, in this embodiment, preferably, the lower surface of box 2 is provided with anti-skidding backing plate 4, and anti-skidding backing plate 4's material is rubber, and anti-skidding backing plate 4 passes through glue bonding with box 2 to be connected, plays antiskid and cushioning effect through anti-skidding backing plate 4 during the use.
The working principle and the using process of the invention are as follows: when the box door is used, soil needing to be dehumidified is placed into the storage box 372, the box door 5 is closed, the power supply of the driving motor 383 is connected, the driving motor 383 drives the stirring piece 395 and the propeller blade 373 to rotate at the moment, meanwhile, the driving motor 383 drives the driving cam 31 to rotate, so that the storage box 372 is driven by the driving cam 31 to reciprocate in the vertical direction, when the storage box 372 rises quickly, the vibration piece 397 limits the storage box 372 to prevent the storage box 372 from rising continuously, soil is thrown up under the action of inertia at the moment, and meanwhile, the stirring piece 395 scatters thrown-up soil, so that the contact area of the soil and air is effectively increased, the position of the soil is changed continuously, and the soil at the bottom of the storage box 372 cannot be dried effectively;
when the driving motor 383 operates, the driving motor 383 drives the piston cylinder 378 to continuously stretch and retract through the transmission piece 377 and the transmission cylinder 391, when the piston cylinder 378 extends, the piston cylinder 378 extracts air through the air extraction pipe 386, when the piston cylinder 378 is compressed, the air in the piston cylinder 378 is sprayed out through the air injection pipe 374, and the air is continuously thrown up by matching with the storage box 372, so that the soil is efficiently dehumidified;
when piston cylinder 378 extracts the air, the heat that driving motor 383 operation produced plays the heating effect to heating sleeve 384, heating sleeve 384 gives heating fin 385 this moment with the heat, thereby heat the air in insulating tube 379 through heating fin 385, thereby the air that makes piston cylinder 378 extraction is the air after the heating, make jet 374 spun gas temperature higher, thereby setting through piston cylinder 378 carries out high-efficient heat dissipation to driving motor 383, and make piston cylinder 378 further promote dehydrating unit's dehumidification efficiency when carrying out the heat dissipation, the heat that makes driving motor 383 produce can be effectively utilized, thereby promote dehydrating unit's utilization ratio to the energy, the time that consumes when effectively shortening the user carries out soil dehumidification, promote user's work efficiency.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a high-efficient dehydrating unit of sample for soil detection, includes box (2), and the one end of box (2) is provided with chamber door (5), and the top of box (2) is provided with blast pipe (7), and the inside of box (2) is provided with dehumidification mechanism (3), its characterized in that: the dehumidifying mechanism (3) comprises a driving motor (383), an output end of the driving motor (383) is fixedly connected with a transmission shaft (396), the top end of the transmission shaft (396) is fixedly connected with a propeller blade (373), a stirring piece (395) is arranged below the propeller blade (373), a storage box (372) which is connected with the transmission shaft (396) in a sliding manner is arranged below the stirring piece (395), an elastic flow guide cover (394) corresponding to the box body (2) is arranged at the top end of the storage box (372), a first driving gear (33) is fixedly connected with the bottom end of the transmission shaft (396), first transmission rods (35) are arranged on two sides of the first driving gear (33), a first limiting shaft sleeve (34) corresponding to the box body (2) is arranged in the middle of each first transmission rod (35), and a first driven gear (32) which is meshed with the first driving gear (33) is fixedly connected with one end of each first transmission rod (, the other end of the first transmission rod (35) is provided with a driving cam (31) corresponding to the storage box (372), two ends of the lower surface of the storage box (372) are fixedly connected with a vibration starting piece (397), and the top end of the vibration starting piece (397) is slidably connected with a limiting sleeve (371) fixedly connected with the box body (2).
2. The high-efficiency dehumidification device for the soil detection sample according to claim 1, wherein: a second driving gear (375) is arranged at the top end of the transmission shaft (396), second transmission rods (392) are arranged on two sides of the second driving gear (375), a second limiting shaft sleeve (376) corresponding to the box body (2) is arranged in the middle of each second transmission rod (392), a second driven gear (393) meshed with the second driving gear (375) is fixedly connected to one end of each second transmission rod (392), a transmission disc (389) is fixedly connected to the other end of each second transmission rod (392), a transmission cylinder (391) is fixedly connected to the bottom end of the side surface of the transmission disc (389), a piston cylinder (378) fixedly connected with the box body (2) is arranged above the transmission disc (389), a transmission piece (377) corresponding to the transmission cylinder (391) is fixedly connected to the bottom end of the piston cylinder (378), and an exhaust pipe (386) is arranged at one end of the upper surface of the piston, the top end of the extraction pipe (386) is provided with a first check valve (387) for preventing gas from being discharged out of the piston cylinder (378), the other end of the upper surface of the piston cylinder (378) is provided with an air injection pipe (374), and the top end of the air injection pipe (374) is provided with a second check valve (388) for preventing gas from entering the piston cylinder (378).
3. The high-efficiency dehumidification device for the soil detection sample according to claim 2, wherein: the heat preservation pipe (379) is arranged above the second driving gear (375), the bottom end of the heat preservation pipe (379) is fixedly connected with the box body (2) in a welding mode, the air exhaust pipe (386) penetrates through the heat preservation pipe (379), heat preservation cotton (381) is arranged on the outer surface of the heat preservation pipe (379), and the heat preservation cotton (381) is connected with the heat preservation pipe (379) through glue in a bonding mode.
4. The high-efficiency dehumidification device for the soil detection sample according to claim 3, wherein: the top of insulating tube (379) is provided with second dust screen (382), and the material of second dust screen (382) is the stainless steel, and second dust screen (382) passes through screw fixed connection with insulating tube (379), and the material of elasticity kuppe (394) is rubber.
5. The device for efficiently dehumidifying a sample for soil detection according to claim 4, wherein: the top end of the driving motor (383) is fixedly connected with a heating sleeve (384), heating fins (385) are arranged on the outer surface of the heating sleeve (384), the heating fins (385) are of a cuboid structure, the heating fins (385) are made of copper, and the heating fins (385) are fixedly connected with the heating sleeve (384) in a welding mode.
6. The device for efficiently dehumidifying a sample for soil detection according to claim 5, wherein: the material of heating sleeve pipe (384) is copper, and heating sleeve pipe (384) passes through screw fixed connection with driving motor (383), is provided with the heat conduction silica gel corresponding with driving motor (383) on the inner wall of heating sleeve pipe (384).
7. The high-efficiency dehumidification device for the soil detection sample according to claim 1, wherein: the vibration starting piece (397) is of a T-shaped structure, the top end of the vibration starting piece (397) is fixedly connected with the storage box (372) in a welding mode, the bottom end of the vibration starting piece (397) is provided with a buffer gasket (36), the buffer gasket (36) is made of rubber, and the buffer gasket (36) is connected with the vibration starting piece (397) through glue in an adhering mode.
8. The high-efficiency dehumidification device for the soil detection sample according to claim 1, wherein: the top of blast pipe (7) is provided with first dust screen (6), and the material of first dust screen (6) is the stainless steel, and screw fixed connection is passed through with blast pipe (7) in first dust screen (6).
9. The high-efficiency dehumidification device for the soil detection sample according to claim 1, wherein: the top of box (2) is provided with division board (1), and division board (1) passes through welding mode fixed connection with box (2), and blast pipe (7) run through division board (1) and set up, and the bottom of blast pipe (7) passes through glue bonding connection with division board (1).
10. The high-efficiency dehumidification device for soil detection samples according to any one of claims 1 to 9, comprising: the lower surface of the box body (2) is provided with an anti-skid base plate (4), the anti-skid base plate (4) is made of rubber, and the anti-skid base plate (4) is bonded with the box body (2) through glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011198360.9A CN112304726A (en) | 2020-10-31 | 2020-10-31 | High-efficient dehydrating unit of sample for soil detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011198360.9A CN112304726A (en) | 2020-10-31 | 2020-10-31 | High-efficient dehydrating unit of sample for soil detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112304726A true CN112304726A (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011198360.9A Withdrawn CN112304726A (en) | 2020-10-31 | 2020-10-31 | High-efficient dehydrating unit of sample for soil detection |
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| CN (1) | CN112304726A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236097A (en) * | 2021-12-17 | 2022-03-25 | 河南省科学院地理研究所 | Agricultural non-point source soil pollution detection device |
-
2020
- 2020-10-31 CN CN202011198360.9A patent/CN112304726A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236097A (en) * | 2021-12-17 | 2022-03-25 | 河南省科学院地理研究所 | Agricultural non-point source soil pollution detection device |
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Application publication date: 20210202 |