CN107957350A - A kind of soybean sauce sampling device - Google Patents
A kind of soybean sauce sampling device Download PDFInfo
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- CN107957350A CN107957350A CN201711306452.2A CN201711306452A CN107957350A CN 107957350 A CN107957350 A CN 107957350A CN 201711306452 A CN201711306452 A CN 201711306452A CN 107957350 A CN107957350 A CN 107957350A
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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
-
- 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
- G01N2001/1031—Sampling from special places
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- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of soybean sauce sampling device, including bottom plate, sampling bottle, bottle-clip mechanism, bottle stopper, telescopic rod and drawstring；Floor level is set, and telescopic rod is vertically arranged in bottom plate upper end；Bottle-clip mechanism is arranged on bottom plate upper end；Sampling bottle bottleneck is upward, and is removably connected with bottle-clip mechanism；The dismountable level in bottle-clip mechanism upper end is equipped with support plate, and the through hole passed through for the bottleneck of sampling bottle is provided with support plate；Bottle stopper is installed on the position of corresponding through hole above support plate by flexible connector；Drawstring is connected with bottle stopper；During original state, the bottle plug tight fit of bottle stopper and sampling bottle, external force pulls up the bottleneck that drawstring opens sampling bottle, and flexible connector synchronously deforms upon；After cancelling external force, flexible connector restPoses and drives bottle stopper to move return.Advantage：It is simple in structure, it is easy for operation, the soy sauce of storage tank lower floor can be collected, to provide more comprehensive foundation for the inspection of soy sauce.
Description
Technical field
The present invention relates to soy sauce brewing technical field, more particularly to a kind of soybean sauce sampling device.
Background technology
Finished product or semi-finished product soy sauce in storage tank need to gather, samples and is chemically examined and the detection of all technical,
The conventional art of one vial of collection generally use in to(for) soy sauce is placed in the frame of intermetallic composite coating, is tied up with rope in gold
Belong on frame, played, vial is sunk in soy sauce storage tank using the weight of frame, soy sauce is flowed into glass naturally by rope
In glass bottle, then pack up rope handle metal framework and extract, you can complete the collection of soy sample.But as long as due to vial
One sinks in storage tank, and soy sauce will flow into vial, therefore the soy sauce collected is all the soy sauce positioned at storage tank upper strata, and nothing
Method collects the soy sauce positioned at storage tank lower floor.Technical indicator of the soy sauce in storage tank levels position differs greatly, therefore uses tradition
The storage tank upper strata sample that method collects can not represent the soy sauce quality of whole storage tank, and must collect lower floor's sample into
Row chemical examination and detection.At present, a kind of device easy to operation that can collect lower floor's soy sample simple in structure is lacked.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of soybean sauce sampling device, effectively overcome the prior art
Defect.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of soybean sauce sampling device, including bottom plate, sampling
Bottle, bottle-clip mechanism, bottle stopper, telescopic rod and drawstring；
Above-mentioned floor level is set, and above-mentioned telescopic rod is vertically arranged in above-mentioned bottom plate upper end；
Above-mentioned bottle-clip mechanism is arranged on above-mentioned bottom plate upper end；
Above-mentioned sampling bottle bottleneck is upward, and is removably connected with above-mentioned bottle-clip mechanism；
The dismountable level in above-mentioned bottle-clip mechanism upper end is equipped with support plate, is provided with above-mentioned support plate for above-mentioned sampling bottle
The through hole that bottleneck passes through；
Above-mentioned bottle stopper is installed on the position of corresponding above-mentioned through hole above above-mentioned support plate by flexible connector；
Above-mentioned drawstring is connected with above-mentioned bottle stopper；
During original state, the bottle plug tight fit of above-mentioned bottle stopper and above-mentioned sampling bottle, under external force effect, pulls up above-mentioned
Drawstring, above-mentioned drawstring drive above-mentioned bottle stopper to move up the bottleneck for opening above-mentioned sampling bottle, and above-mentioned flexible connector synchronously occurs
Deformation；After cancelling external force, above-mentioned flexible connector restPoses and drives bottle stopper to move return.
The beneficial effects of the invention are as follows：It is simple in structure, it is easy for operation, the soy sauce of storage tank lower floor can be collected, with
Just the inspection for soy sauce provides more comprehensive foundation.
Based on the above technical solutions, the present invention can also be improved as follows.
Further, above-mentioned bottle-clip mechanism includes multiple mutually one-to-one upright bars and clamping device, above-mentioned upright bar difference
Above-mentioned bottom plate upper end is fixed on vertically, and is circularly and evenly distributed, and above-mentioned clamping device is separately mounted to corresponding above-mentioned upright bar
On, above-mentioned sampling bottle is arranged between multiple above-mentioned upright bars, and can be clamped or unclamped, above-mentioned support with multiple above-mentioned clamping devices
Plate is detachably arranged in the upper end of above-mentioned upright bar.
Beneficial effect using above-mentioned further scheme is that the structure of bottle-clip mechanism is simple, easy to use.
Further, above-mentioned clamping device includes screw rod and blessing portion, in above-mentioned upright bar positioned at the position of sustained height distinguishing
Through equipped with the matched threaded hole of above-mentioned screw rod, above-mentioned screw rod be horizontally through the threaded hole of corresponding above-mentioned upright bar upper end and with
Threaded hole is threadedly coupled, and above-mentioned blessing portion is rotatably installed on corresponding screw rod and is located at one end on the inside of above-mentioned upright bar, and on
Blessing portion is stated to be arranged to and the above-mentioned matched curved surface of sampling bottle outer contour, multiple above-mentioned clamping devices away from one end of above-mentioned screw rod
The blessing portion outer surface clamping engagement with sampling bottle respectively.
Beneficial effect using above-mentioned further scheme is that clamping device is simple in structure, by tightening screw rod i.e. achievable pair
The clamping or release of sampling bottle, very flexibly, conveniently, beneficial to the dismounting of sampling bottle.
Further, the spiral shell that is equipped with and can rotate to it is run through in the position of corresponding each above-mentioned upright bar in above-mentioned support plate
Bolt, the upper end of each above-mentioned upright bar is equipped with to be connected with the matched screw hole of above-mentioned bolt, the dismountable screw thread in lower end of above-mentioned bolt
It is connected in the screw hole of corresponding above-mentioned upright bar upper end.
Dismounting of the support plate in upright bar is easy for using the beneficial effect of above-mentioned further scheme.
Further, above-mentioned flexible connector includes hoop, multiple mutually one-to-one lead, sleeve and springs,
Above-mentioned hoop level is set in outside above-mentioned bottle stopper, and multiple above-mentioned lead homogeneous verticals are distributed in the lower end of above-mentioned hoop,
And respectively be located at above-mentioned through hole surrounding top, multiple above-mentioned sleeves be fixed on vertically respectively above-mentioned support plate upper end correspond to it is above-mentioned
The position of lead, each above-mentioned sleeve are the cylinder of upper end opening, and each the lower end of above-mentioned lead is stretched into corresponding
In the openend of above-mentioned sleeve, and it can be moved up and down relative to corresponding sleeve, above-mentioned spring is respectively sleeved at corresponding above-mentioned
Outside lead and sleeve, and its upper and lower side is connected with support plate and hoop respectively.
Beneficial effect using above-mentioned further scheme is that flexible connector is simple in structure, enables to bottle stopper along correctly
Direction, which moves up and down, opens or closes bottleneck, is not in the situation that can not close bottleneck.
Further, the upper end end of above-mentioned telescopic rod is equipped with thimble, and the other end of above-mentioned drawstring passes through above-mentioned thimble.
Beneficial effect using above-mentioned further scheme is to enable drawstring along being correctly oriented effective pulling.
Further, the other end of above-mentioned drawstring is provided with knob.
Operating personnel are easy for using the beneficial effect of above-mentioned further scheme and pull drawstring by shaking hands.
Further, the lower end of above-mentioned bottom plate is equipped with the circular cone for being beneficial to separation soy sauce liquid level, the cone end of above-mentioned circular cone
Downwards.
That the design comparison is reasonable using the above-mentioned further beneficial effect of scheme, beneficial to whole device in soy sauce tank under
Resistance of the liquid to device is reduced by circular cone when heavy.
Brief description of the drawings
Fig. 1 is the structure diagram of the soybean sauce sampling device of the present invention；
Fig. 2 is the usage state diagram after the soybean sauce sampling device bottle stopper of the present invention is opened；
Fig. 3 is the schematic enlarged-scale view of part A in Fig. 2；
Fig. 4 is bottle-clip mechanism and the overlooking the structure diagram for taking sample to coordinate in soybean sauce sampling device of the invention.
In attached drawing, parts list represented by the reference numerals is as follows：
1st, bottom plate, 2, sampling bottle, 3, bottle-clip mechanism, 4, bottle stopper, 5, telescopic rod, 6, drawstring, 7, support plate, 8, elastic connection
Part, 9, circular cone, 11, mounting portion, 31, upright bar, 32, clamping device, 51, thimble, 61, knob, 71, bolt, 81, banding
Ring, 82, lead, 83, sleeve, 84, spring, 321, screw rod, 322, blessing portion, 323, flexible cushion.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment：As shown in Figures 1 to 4, the soybean sauce sampling device of the present embodiment includes bottom plate 1, sampling bottle 2, bottle-clip mechanism
3rd, bottle stopper 4, telescopic rod 5 and drawstring 6；
Above-mentioned bottom plate 1 is horizontally disposed, and above-mentioned telescopic rod 5 is vertically arranged in above-mentioned 1 upper end of bottom plate；
Above-mentioned bottle-clip mechanism 3 is arranged on above-mentioned 1 upper end of bottom plate；
Above-mentioned 2 bottleneck of sampling bottle is upward, and is removably connected with above-mentioned bottle-clip mechanism 3；
The dismountable level in above-mentioned 3 upper end of bottle-clip mechanism is equipped with support plate 7, is provided with above-mentioned support plate 7 for above-mentioned sampling
The through hole that the bottleneck of bottle 2 passes through；
Above-mentioned bottle stopper 4 is installed on the position of the above-mentioned corresponding above-mentioned through hole in the top of support plate 7 by flexible connector 8；
Above-mentioned drawstring 6 is connected with above-mentioned bottle stopper 4；
During original state, the bottle plug tight fit of above-mentioned bottle stopper 4 and above-mentioned sampling bottle 2, when needing under soy sauce oil storage tank
During the soy sauce sampling of layer, whole device is transferred to oil storage tank by telescopic rod 5, when reaching the sample position that will be gathered,
Operating personnel's external force pulls up above-mentioned drawstring 6, and above-mentioned drawstring 6 drives above-mentioned bottle stopper 4 to move up and opens above-mentioned sampling bottle 2
Bottleneck, above-mentioned flexible connector 8 synchronously deform upon, and continue for some time rear soy sauce and are gradually filled up into sampling bottle 2 by soy sauce；
Afterwards, drawstring 6 is unclamped, cancels external force, above-mentioned flexible connector 8, which restPoses and drives bottle stopper 4 to move return, to be continued to fill in
The firmly bottleneck of sampling bottle 2, finally, is pulled out out of oil storage tank whole device by telescopic rod 5, in next step, remove support plate 7 and
Bottle stopper 4, releases bottle-clip mechanism 3 and takes the clamped condition of sample 2, take sample 2 to carry out the sampling observation work of next step, entirely set
Standby simple in structure, operation very flexibly, conveniently, can sample the soy sauce of arbitrary height position in oil storage tank, easy to follow-up right
The detection of soy sauce quality.
Altitude scale line is equipped with above-mentioned telescopic rod 5 along its length, operating personnel can determine according to scale line will
The soy sauce of sampling.
The lower end of above-mentioned telescopic rod 5 should be removably connected with bottom plate 1, and connecting hole/seat is such as threaded on bottom plate 1,
The lower end periphery of telescopic rod 5 is threaded, and the lower end of telescopic rod 5 is threadedly coupled with threaded connection hole/seat.
Preferably, above-mentioned bottle-clip mechanism 3 includes multiple mutually one-to-one upright bars 31 and clamping device 32, above-mentioned upright bar
31 are fixed on above-mentioned 1 upper end of bottom plate vertically respectively, and are circularly and evenly distributed, and above-mentioned clamping device 32 is separately mounted to corresponding
In above-mentioned upright bar 31, above-mentioned sampling bottle 2 is arranged between multiple above-mentioned upright bars 31, and can be clamped with multiple above-mentioned clamping devices 32
Or unclamp, above-mentioned support plate 7 is detachably arranged in the upper end of above-mentioned upright bar 31, and folder bottle structure 3 is simple in structure, using flexible,
It is convenient.
Preferably, above-mentioned clamping device 32 includes screw rod 321 and blessing portion 322, being located at sustained height in above-mentioned upright bar 31
Position extend through equipped with above-mentioned 321 matched threaded hole of screw rod, above-mentioned screw rod 321 being horizontally through corresponding above-mentioned upright bar
The threaded hole of 31 upper ends is simultaneously threadedly coupled with threaded hole, and above-mentioned blessing portion 322 is rotatably located at installed in corresponding screw rod 321
One end of the above-mentioned inner side of upright bar 31, and above-mentioned blessing portion 322 is arranged to and above-mentioned sampling bottle 2 away from one end of above-mentioned screw rod 321
The matched curved surface of outer contour, the blessing portions 322 of the multiple above-mentioned clamping devices 32 outer surface clamping engagement with sampling bottle 2 respectively,
Generally, sampling bottle 2 is round vase, the inner side of blessing portion 322 is arcwall face, by turn 321 adjustable screw 322 of screw rod into stretching
Length, so as to meet various sizes of sampling bottle 2, also, when clamping, only needs that blessing portion 322 is adjusted to appropriate in advance
Position, tighten corresponding screw rod 321 afterwards until blessing portion 322 is fitted tightly over the outer surface of sampling bottle 2, whole folder
Mechanism 32 is held to design rationally, it is easy to operate, flexible.
In certain embodiments, the inner side in above-mentioned blessing portion 322 is provided with flexible cushion 323, and blessing portion 322 clamps sampling
Flexible cushion 323 can avoid blessing portion 322 from being directly damaged with the extruding of 2 surface of sampling bottle during bottle 2, and can pass through certain elasticity
Deformation causes blessing portion 322 and takes the clamping of 2 surface of sample more to fasten, and prevents from taking sample 2 to drop when immersing and sampling in soy sauce tank.
Above-mentioned flexible cushion 323 uses food grade silicone, and security performance is higher.
Preferably, the position that each above-mentioned upright bar 31 is corresponded in above-mentioned support plate 7, which is run through, is equipped with what can be rotated to it
Bolt 71, the upper end of each above-mentioned upright bar 31 are equipped with removable with above-mentioned 71 matched screw hole of bolt, the lower end of above-mentioned bolt 71
That unloads is threaded in the screw hole of corresponding 31 upper end of above-mentioned upright bar, which is especially advantageous between support plate 7 and upright bar 31
Dismounting, it is easy to operate, quick, only need to tighten bolt 71.
Preferably, above-mentioned flexible connector 8 includes hoop 81, multiple mutually one-to-one lead 82, sleeves 83
With spring 84, above-mentioned 81 level of hoop is set in outside above-mentioned bottle stopper 4, and multiple above-mentioned 82 homogeneous verticals of lead are distributed in above-mentioned
The lower end of hoop 81, and it is located at the top of above-mentioned through hole surrounding respectively, multiple above-mentioned sleeves 83 are fixed on above-mentioned vertically respectively
7 upper end of support plate corresponds to the position of above-mentioned lead 82, and each above-mentioned sleeve 83 is the cylinder of upper end opening, each above-mentioned to lead
Stretch into the openend of corresponding above-mentioned sleeve 83, and can be moved up and down relative to corresponding sleeve 83 to the lower end of column 82,
Above-mentioned spring 84 is respectively sleeved at outside corresponding above-mentioned lead 82 and sleeve 83, and its upper and lower side respectively with support plate 7 and hoop
Tight ring 81 connects, and the flexible connector 8 is simple in structure, can ensure that bottle stopper 4 can be along correct side during opening or stoppering
Move up and down, avoid bottle stopper 4 can not return clog bottleneck phenomenon occur, bottle stopper 4 moves more steady.
Preferably, the upper end end of above-mentioned telescopic rod 5 is equipped with thimble 51, the other end of above-mentioned drawstring 6 is worn through above-mentioned
Wire loop 51, by the limitation of thimble 51, can enable to draw high 6 along being correctly oriented application external force, it is ensured that bottle stopper 4 can be effective
Opening.
Preferably, the other end of above-mentioned drawstring 6 is provided with knob 61, when operating personnel open bottle stopper 4, knob only need to be held
61, drawstring 6 is pullled upwards, it is very convenient.
In certain embodiments, the lower end of above-mentioned bottom plate 1 is equipped with the circular cone 9 for being beneficial to separation soy sauce liquid level, above-mentioned taper
The cone pointed end of block 9, whole device enter soy sauce oil storage tank in and immersed in liquid level below when, because bottom plate 1 is contacted with liquid
Area is big, and resistance is also bigger, and therefore, the design of circular cone 9 can well break liquid level, high degree during downlink
Reduction liquid resistance so that whole device can easily enter collection in lower floor's liquid level in oil storage tank.
Above-mentioned bottom plate 1 is preferably designed as circular slab, and circular cone 9 is co-axially located at the lower end of bottom plate 1, and 1 side of bottom plate should be set
Mounting portion 11 is put, the lower end of telescopic rod 5 is connected with mounting portion 11.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (8)
- A kind of 1. soybean sauce sampling device, it is characterised in that：Including bottom plate (1), sampling bottle (2), bottle-clip mechanism (3), bottle stopper (4), Telescopic rod (5) and drawstring (6)；The bottom plate (1) is horizontally disposed, and the telescopic rod (5) is vertically arranged in the bottom plate (1) upper end；The bottle-clip mechanism (3) is arranged on the bottom plate (1) upper end；Sampling bottle (2) bottleneck is upward, and is removably connected with the bottle-clip mechanism (3)；The dismountable level in bottle-clip mechanism (3) upper end is equipped with support plate (7), is provided with described in confession and takes on the support plate (7) The through hole that the bottleneck of sample bottle (2) passes through；The bottle stopper (4) is installed on the position of the corresponding through hole above the support plate (7) by flexible connector (8)；The drawstring (6) is connected with the bottle stopper (4)；During original state, the bottle stopper (4) and the bottle plug tight fit of the sampling bottle (2), under external force effect, pull up institute Drawstring (6) is stated, the drawstring (6) drives the bottle stopper (4) to move up the bottleneck for opening the sampling bottle (2), the elasticity Connector (8) synchronously deforms upon；After cancelling external force, the flexible connector (8) restPoses and drives bottle stopper (4) to move Dynamic return.
- A kind of 2. soybean sauce sampling device according to claim 1, it is characterised in that：The bottle-clip mechanism (3) includes multiple Mutually one-to-one upright bar (31) and clamping device (32), the upright bar (31) are fixed on the bottom plate (1) vertically respectively End, and be circularly and evenly distributed, the clamping device (32) is separately mounted on the corresponding upright bar (31), the sampling bottle (2) it is arranged between multiple upright bars (31), and can clamps or unclamp, the support plate with multiple clamping devices (32) (7) it is detachably arranged in the upper end of the upright bar (31).
- A kind of 3. soybean sauce sampling device according to claim 2, it is characterised in that：The clamping device (32) includes screw rod (321) and blessing portion (322), on the upright bar (31) positioned at the position of sustained height extend through equipped with and the screw rod (321) matched threaded hole, the screw rod (321) are horizontally through the threaded hole of the corresponding upright bar (31) upper end and and screw thread Hole is threadedly coupled, and the blessing portion (322) is rotatably located on the inside of the upright bar (31) installed in corresponding screw rod (321) One end, and the blessing portion (322) is arranged to match with the sampling bottle (2) outer contour away from one end of the screw rod (321) Curved surface, the blessing portions (322) of multiple clamping devices (32) the outer surface clamping engagement with sampling bottle (2) respectively.
- A kind of 4. soybean sauce sampling device according to claim 3, it is characterised in that：It is corresponding each on the support plate (7) The bolt (71) that is equipped with and can rotate to it is run through in the position of the upright bar (31), and the upper end of each upright bar (31) is all provided with Have and be removably threaded in the corresponding upright bar with the bolt (71) matched screw hole, the lower end of the bolt (71) (31) in the screw hole of upper end.
- A kind of 5. soybean sauce sampling device according to any one of claims 1 to 4, it is characterised in that：The flexible connector (8) hoop (81), multiple mutually one-to-one lead (82), sleeve (83) and springs (84), the hoop are included (81) level is set in the bottle stopper (4) outside, and multiple lead (82) homogeneous verticals are distributed in the hoop (81) Lower end, and it is located at the top of the through hole surrounding respectively, multiple sleeves (83) are fixed on the support plate (7) vertically respectively Upper end corresponds to the position of the lead (82), and each sleeve (83) is the cylinder of upper end opening, each guiding The lower end of column (82) is stretched into the openend of the corresponding sleeve (83), and can be relative to being moved down on corresponding sleeve (83) Dynamic, the spring (84) is respectively sleeved at the corresponding lead (82) and sleeve (83) outside, and its upper and lower side respectively with branch Fagging (7) and hoop (81) connection.
- A kind of 6. soybean sauce sampling device according to any one of claims 1 to 4, it is characterised in that：The telescopic rod (5) Upper end end is equipped with thimble (51), and the other end of the drawstring (6) passes through the thimble (51).
- A kind of 7. soybean sauce sampling device according to claim 6, it is characterised in that：The other end installation of the drawstring (6) There is knob (61).
- A kind of 8. soybean sauce sampling device according to any one of claims 1 to 4, it is characterised in that：Under the bottom plate (1) End is equipped with the circular cone (9) for being beneficial to separation soy sauce liquid level, the cone pointed end of the circular cone (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711306452.2A CN107957350A (en) | 2017-12-11 | 2017-12-11 | A kind of soybean sauce sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711306452.2A CN107957350A (en) | 2017-12-11 | 2017-12-11 | A kind of soybean sauce sampling device |
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| CN107957350A true CN107957350A (en) | 2018-04-24 |
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| CN201711306452.2A Withdrawn CN107957350A (en) | 2017-12-11 | 2017-12-11 | A kind of soybean sauce sampling device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109001400A (en) * | 2018-08-22 | 2018-12-14 | 浙江云广检测技术服务有限公司 | A kind of water quality detection water fetching device |
| CN109665114A (en) * | 2018-12-03 | 2019-04-23 | 李园园 | A kind of unmanned machine head of pair of seawater sampling |
| CN112857910A (en) * | 2021-01-11 | 2021-05-28 | 山东中正食品科技检测有限公司 | Depth-adjustable irrigation water detection water sample collection device |
| CN113804504A (en) * | 2021-09-27 | 2021-12-17 | 蓝民江 | Portable sampling device for sewage detection |
| CN113899865A (en) * | 2021-12-09 | 2022-01-07 | 中国农业科学院农业环境与可持续发展研究所 | Carbon-nitrogen conversion measurement system based on Internet of things |
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| CN109665114A (en) * | 2018-12-03 | 2019-04-23 | 李园园 | A kind of unmanned machine head of pair of seawater sampling |
| CN112857910A (en) * | 2021-01-11 | 2021-05-28 | 山东中正食品科技检测有限公司 | Depth-adjustable irrigation water detection water sample collection device |
| CN112857910B (en) * | 2021-01-11 | 2021-11-09 | 山东中正食品科技检测有限公司 | Depth-adjustable irrigation water detection water sample collection device |
| CN113804504A (en) * | 2021-09-27 | 2021-12-17 | 蓝民江 | Portable sampling device for sewage detection |
| CN113899865A (en) * | 2021-12-09 | 2022-01-07 | 中国农业科学院农业环境与可持续发展研究所 | Carbon-nitrogen conversion measurement system based on Internet of things |
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