CN108845099B - Intelligent detection device - Google Patents
Intelligent detection device Download PDFInfo
- Publication number
- CN108845099B CN108845099B CN201810240826.3A CN201810240826A CN108845099B CN 108845099 B CN108845099 B CN 108845099B CN 201810240826 A CN201810240826 A CN 201810240826A CN 108845099 B CN108845099 B CN 108845099B
- Authority
- CN
- China
- Prior art keywords
- soil
- sampling head
- screw
- sensor
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 239000002689 soil Substances 0.000 claims abstract description 34
- 238000005070 sampling Methods 0.000 claims abstract description 31
- 238000005527 soil sampling Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 239000013618 particulate matter Substances 0.000 claims description 3
- 239000012855 volatile organic compound Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000003915 air pollution Methods 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010219 correlation analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- 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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/245—Earth materials for agricultural purposes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Combustion & Propulsion (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a detection device, and discloses an intelligent detection device, which comprises a movable bracket (1), wherein the movable bracket (1) comprises a sleeve (2) and a wheel carrier (3), a small wheel (4) is installed on the wheel carrier (3), an internal thread (21) is arranged in the sleeve (2), the intelligent detection device also comprises a screw (6) which is installed in the sleeve (2) and matched with the internal thread (21), a sampling head (7) is installed on the movable bracket (1), the sampling head (7) comprises an air sampling head (71) and a soil sampling head (72), the air sampling head (71) is installed on the sleeve (2), the soil sampling head (72) is installed at the lower end of the screw (6) and is driven by the rotating screw (6) to extend into soil, the intelligent detection device can sample soil in a targeted manner by monitoring air, the workload of soil sampling can be reduced, in addition, the design of a plurality of sample storage pipes can automatically sample at a plurality of places at one time, compared with the traditional technology, the method is more efficient and intelligent.
Description
Technical Field
The invention relates to a detection device, in particular to an intelligent detection device.
Background
The main elements and the medium and trace elements in the soil are various nutrient elements required by the growth of crops, and the abundance and the deficiency of the nutrient elements directly restrict the quality and the yield of the crops. With the adjustment of the structure of the planting industry in China, high-yield crop varieties emerge continuously, the structure and the number of fertilizer application are changed greatly, and the soil nutrient bank is changed obviously. By carrying out element tests, soil pollution conditions are known after soil chemical examination and analysis according to crop planting objects and expected yield targets. Therefore, an economical and effective soil detection scheme is determined, high yield is achieved, and expenditure is saved, so that soil detection and analysis are essential important links of modern agriculture. According to the correlation analysis, when toxic and harmful substances in the soil are more, part of the toxic substances can volatilize into the air, so that the sampling times can be reduced by firstly detecting the air and then sampling the soil at an air pollution position, the detection work is more targeted, and the detection efficiency can be greatly improved.
Disclosure of Invention
The invention provides an intelligent detection device aiming at the defect that the targeted soil sampling can not be carried out according to the pollution degree in the air in the prior art.
In order to solve the technical problem, the invention is solved by the following technical scheme:
the intelligent detection device comprises a movable support, wherein the movable support comprises a sleeve and a wheel carrier arranged on the outer wall of the lower end of the sleeve, a small wheel and a motor for driving the small wheel to rotate are arranged on the wheel carrier, internal threads are arranged in the sleeve, the intelligent detection device also comprises a screw rod arranged in the sleeve and matched with the internal threads, a sampling head is arranged on the movable support, the sampling head comprises an air sampling head and a soil sampling head, the air sampling head is arranged on the sleeve, and the soil sampling head is arranged at the lower end of the screw rod and is driven by the rotating screw rod to extend into soil; the movable support is also provided with a controller and a detector connected with the controller, the air sampling head is connected with the detector and forms an air detection signal by detecting the collected air through the detector, the detector transmits the formed air detection signal to the controller, and the controller compares the data in the air detection signal with a preset threshold value in the controller and controls the screw rod to drive the soil sampling head to extend into the soil for sampling and transport the soil to the ground level through a hollow inner cavity of the screw rod.
As preferred, be equipped with vertical spout on the inner wall of screw rod, still include with the spout cooperation and along the gliding slider of spout, still include the push pedal, the edge of push pedal articulates on the slider, the push pedal passes through the articulated shaft and rotates to the axial vertical setting with the screw rod or through the articulated shaft upwards rotate to with the inner wall laminating of screw rod, the pivot is installed to the upper end of spout, the winding has the rope in the pivot, the rope is connected with the slider and drives the slider and remove along the spout.
Preferably, the sliding block is provided with a limiting block, and the limiting block is positioned below a hinged shaft connected with the pushing plate and the sliding block.
Preferably, the screw rod is hollow and cylindrical and is communicated with the soil sampling head, the upper end of the screw rod is opened and is communicated with a horizontally placed sample storage tube, the sample storage tube is a transparent tube body, and scales are arranged on the tube wall of the sample storage tube.
As preferred, still including fixing the circle frame on the movable support, the axial level of circle frame sets up, be equipped with a thief hole on the circle frame, the thief hole passes through the upper end opening part intercommunication of pipeline and screw rod, install in the circle frame with the coaxial setting of circle frame and rotatory installation carousel in the circle frame, be equipped with a plurality of mounting holes on the installation carousel, the mounting hole runs through the installation carousel, the axis level of mounting hole sets up, all install a sample storage pipe on every mounting hole, the mouth of pipe intercommunication of sample storage pipe is in the drill way department of mounting hole, the upper end opening of screw rod, the thief hole, mounting hole and sample storage pipe communicate in proper order.
Preferably, the detector comprises a sensor comprising a temperature sensor, a humidity sensor, an SO2Sensor, NOx sensor, O3Any one or any combination of sensors, particulate matter sensors, formaldehyde sensors, VOCs sensors.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that: through the monitoring to the air, the pertinence is taken a sample to soil, can reduce the work load of soil sample, and in addition, the design of a plurality of sampling pipes can once only carry out the automatic sampling in many places, compares in more high-efficient, the intelligence of traditional technique.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-movable support, 2-sleeve, 3-wheel carrier, 4-small wheel, 5-motor, 6-screw, 7-sampling head, 8-controller, 9-detector, 10-sample tube, 11-round frame, 12-installation rotary table, 21-internal thread, 61-sliding chute, 62-sliding block, 63-push plate, 64-rotating shaft, 65-rope, 621-limiting block, 631-inclined plate, 71-air sampling head, 72-soil sampling head, 101-scale, 111-sampling hole, 121-installation hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
An intelligent detection device, as shown in the figure, comprises a movable support 1, wherein the movable support 1 comprises a sleeve 2 and a wheel carrier 3 arranged on the outer wall of the lower end of the sleeve 2, a small wheel 4 and a motor 5 for driving the small wheel 4 to rotate are arranged on the wheel carrier 3, an internal thread 21 is arranged in the sleeve 2, the intelligent detection device also comprises a screw 6 arranged in the sleeve 2 and matched with the internal thread 1, a sampling head 7 is arranged on the movable support 1, the sampling head 7 comprises an air sampling head 71 and a soil sampling head 72, the air sampling head 71 is arranged on the sleeve 2, and the soil sampling head 72 is arranged at the lower end of the screw 6 and driven by the rotating screw 6 to extend into soil; the movable support 1 is further provided with a controller 8 and a detector 9 connected with the controller 8, the air sampling head 71 is connected with the detector 9 and used for collecting air, detection through the detector 9 forms an air detection signal, the detector 9 transmits the formed air detection signal to the controller 8, an air threshold value is preset in the controller 8, and when the pollution degree in the data of the air detection signal is larger than the air threshold value, the controller 8 controls the screw 6 to drive the soil sampling head 72 to extend into soil for sampling and convey the soil to the ground level through the hollow inner cavity of the screw 7.
Be equipped with vertical spout 61 on screw rod 6's the inner wall, still include and cooperate and follow the gliding slider 62 of spout 61 with spout 61, still include push pedal 63, push pedal 63's edge articulates on slider 62, push pedal 63 can follow the articulated shaft and rotate to the axial vertical setting with screw rod 6, push pedal 63 also can upwards rotate to the inner wall laminating with screw rod 6 through the articulated shaft, consequently, the rotatable angle of push pedal 63 is less than 90, upwards reverse to vertical face by the horizontal plane promptly, pivot 64 is installed to the upper end of spout 61, the winding has rope 65 in the pivot 64, rope 65 is connected with slider 62 and drives slider 62 and remove along spout 61. The free end of the push plate 63 is provided with an inclined plate 631 which forms an angle of 20-45 degrees with the push plate 63, when the push plate 63 is in a vertical state, the inclined plate 631 inclines towards the central axis of the screw 6, and when the slide block 61 moves upwards and pushes out soil upwards, the inclined plate 631 drives the push plate 63 to rotate to the horizontal plane under the thrust of the soil above.
Install stopper 621 on the slider 62, stopper 621 is located the articulated shaft below that push pedal 63 and slider 62 are connected, and stopper 621 guarantees push pedal 63's turned angle, prevents that push pedal 63 from rotating to continue the downwardly turned behind the horizontal plane.
The screw rod 6 is hollow and cylindrical and is communicated with the soil sampling head 72, the upper end of the screw rod 6 is opened and is communicated with a horizontally placed sample storage tube 10, the sample storage tube 10 is a transparent tube body, and the wall of the sample storage tube 10 is provided with scales 101.
Still including fixing the circle frame 11 on moving support 1, the axial level of circle frame 11 sets up, be equipped with a thief hole 111 on the circle frame 11, thief hole 111 passes through the upper end opening part intercommunication of pipeline and screw rod 6, install in the circle frame 11 with the coaxial setting of circle frame 11 and rotatory installation carousel 12 in circle frame 11, installation carousel 12 passes through the axle and cooperates the mounting hole 121 at axle both ends on circle frame 11, be equipped with the mounting hole 121 that a plurality of circumferences were arranged on the installation carousel 12, mounting hole 121 runs through installation carousel 12, the axis level of mounting hole 12 sets up, all install a sample storage pipe 10 on every mounting hole 12, the mouth of pipe intercommunication of sample storage pipe 10 is in the drill way department of mounting hole 12, the upper end opening of screw rod 6, thief hole 11, mounting hole 121 and sample storage pipe 10 communicate in proper order.
The detector 9 comprises sensors including temperature sensor, humidity sensor, SO2Sensor, NOx sensor, O3Any one or any combination of sensors, particulate matter sensors, formaldehyde sensors, VOCs sensors.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (2)
1. Intellectual detection system device, its characterized in that: the soil sampler comprises a movable support (1), wherein the movable support (1) comprises a sleeve (2) and a wheel carrier (3) arranged on the outer wall of the lower end of the sleeve (2), the wheel carrier (3) is provided with a small wheel (4) and a motor (5) for driving the small wheel (4) to rotate, an internal thread (21) is arranged in the sleeve (2), the soil sampler further comprises a screw (6) arranged in the sleeve (2) and matched with the internal thread (21), the movable support (1) is provided with a sampling head (7), the sampling head (7) comprises an air sampling head (71) and a soil sampling head (72), the air sampling head (71) is arranged on the sleeve (2), and the soil sampling head (72) is arranged at the lower end of the screw (6) and driven by the rotating screw (6) to extend into soil; the movable support (1) is further provided with a controller (8) and a detector (9) connected with the controller (8), an air sampling head (71) is connected with the detector (9), the air sampling head (71) collects air and conveys the air to the detector (9) to detect, and an air detection signal is formed through the detector (9), the detector (9) comprises a sensor, and the sensor comprises a temperature sensor, a humidity sensor and an SO sensor2Sensor, NOx sensor, O3Any one or any combination of a sensor, a particulate matter sensor, a formaldehyde sensor and a VOCs sensor, wherein a detector (9) transmits a formed air detection signal to a controller (8), the controller (8) controls a screw (6) to drive a soil sampling head (72) to extend into soil for sampling according to the air detection signal and conveys the soil to the ground level through a hollow inner cavity of the screw (6), the screw (6) is in a hollow cylindrical shape and is communicated with the soil sampling head (72), an opening at the upper end of the screw (6) is communicated with a horizontally placed sample storage pipe (10), the sample storage pipe (10) is a transparent pipe body, and the pipe wall of the sample storage pipe (10) is provided with scales (101); be equipped with vertical spout (61) on the inner wall of screw rod (6), still include with spout (61) cooperation and along spout (61) gliding slider (62), still include push pedal (63), the edge of push pedal (63) articulates on slider (62), push pedal (63) rotate through the articulated shaft to establish perpendicularly with the axial of screw rod (6) toThe sliding block (62) is driven to move along the sliding groove (61) by the rope (65) wound on the rotating shaft (64) or by the hinge shaft to rotate upwards until the sliding block is attached to the inner wall of the screw (6); the free end of the push plate (63) is provided with an inclined plate (631) which forms an angle of 20-45 degrees with the push plate (63), when the push plate (63) is in a vertical state, the inclined plate (631) inclines towards the central axis of the screw (6), and when the slide block (62) moves upwards and pushes out soil upwards, the inclined plate (631) drives the push plate (63) to rotate to the horizontal plane under the thrust of the soil above; a limiting block (621) is arranged on the sliding block (62), the limiting block (621) is positioned below a hinged shaft connecting the push plate (63) and the sliding block (62), and the limiting block (621) ensures the rotation angle of the push plate (63) and prevents the push plate (63) from rotating downwards continuously after rotating to the horizontal plane; when the rope (65) drives the sliding block (62) to move upwards, the inclined plate (631) is matched with soil, so that the push plate (63) rotates downwards and is limited on a horizontal plane by the limiting block (621), and the push plate (63) pushes the soil upwards and enables the soil to enter the sample storage pipe (10).
2. The intelligent detection device according to claim 1, wherein: still including fixing circle frame (11) on movable support (1), the axial level of circle frame (11) sets up, be equipped with a thief hole (111) on circle frame (11), thief hole (111) are through the upper end opening part intercommunication of pipeline with screw rod (6), install in circle frame (11) with circle frame (11) coaxial setting and rotatory installation carousel (12) in circle frame (11), be equipped with a plurality of mounting holes (121) on installation carousel (12), mounting hole (121) run through installation carousel (12), the axis level of mounting hole (121) sets up, all install a sample storage pipe (10) on every mounting hole (121), the mouth of pipe intercommunication of sample storage pipe (10) is in the drill way department of mounting hole (12), the upper end opening of screw rod (6), thief hole (111), mounting hole (121) and sample storage pipe (10) communicate in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240826.3A CN108845099B (en) | 2018-03-22 | 2018-03-22 | Intelligent detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240826.3A CN108845099B (en) | 2018-03-22 | 2018-03-22 | Intelligent detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108845099A CN108845099A (en) | 2018-11-20 |
| CN108845099B true CN108845099B (en) | 2021-01-29 |
Family
ID=64211799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810240826.3A Active CN108845099B (en) | 2018-03-22 | 2018-03-22 | Intelligent detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108845099B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413139A (en) * | 2020-03-14 | 2020-07-14 | 安徽巢海水泥有限公司 | Sampler suitable for sampling link in cement detection and sampling tube matched with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614624A (en) * | 2009-06-19 | 2009-12-30 | 雷学军 | A kind of quantitative sampling robot that is applicable to multiple environment |
| CN104614503A (en) * | 2014-12-08 | 2015-05-13 | 武汉都市环保工程技术股份有限公司 | Rapid determine method for pollution degree of organic polluted places |
| CN204346506U (en) * | 2015-01-27 | 2015-05-20 | 山东神华山大能源环境有限公司 | A kind of Multifunctional environment monitoring device |
| CN206016805U (en) * | 2016-08-31 | 2017-03-15 | 嘉兴市叁壹工程检测有限公司 | The sampler of Soil Radon detector |
| CN107515133A (en) * | 2017-10-09 | 2017-12-26 | 成都柒瑰科技有限公司 | Sampling monitoring device is used in a kind of soil environment detection |
| CN206848266U (en) * | 2017-06-26 | 2018-01-05 | 贵州财大鼎新科创产业有限公司 | Soil K+adsorption instrument and environment measuring equipment |
-
2018
- 2018-03-22 CN CN201810240826.3A patent/CN108845099B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614624A (en) * | 2009-06-19 | 2009-12-30 | 雷学军 | A kind of quantitative sampling robot that is applicable to multiple environment |
| CN104614503A (en) * | 2014-12-08 | 2015-05-13 | 武汉都市环保工程技术股份有限公司 | Rapid determine method for pollution degree of organic polluted places |
| CN204346506U (en) * | 2015-01-27 | 2015-05-20 | 山东神华山大能源环境有限公司 | A kind of Multifunctional environment monitoring device |
| CN206016805U (en) * | 2016-08-31 | 2017-03-15 | 嘉兴市叁壹工程检测有限公司 | The sampler of Soil Radon detector |
| CN206848266U (en) * | 2017-06-26 | 2018-01-05 | 贵州财大鼎新科创产业有限公司 | Soil K+adsorption instrument and environment measuring equipment |
| CN107515133A (en) * | 2017-10-09 | 2017-12-26 | 成都柒瑰科技有限公司 | Sampling monitoring device is used in a kind of soil environment detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108845099A (en) | 2018-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110361223B (en) | Sampling device for farmland soil in tidal flat reclamation area | |
| CN110987529B (en) | Automatic sampling device for river pollution condition detection bottom sludge and working method | |
| CN108845099B (en) | Intelligent detection device | |
| CN117168877A (en) | Soil sampling detection device for fruit planting | |
| CN112033733A (en) | Saline and alkaline land agricultural information acquisition unmanned aerial vehicle | |
| CN118130769B (en) | Soil detection device for ecological restoration | |
| CN111751158A (en) | Automatic sampling mechanism of robot is patrolled and examined to grain depot | |
| CN208270517U (en) | Intelligent detection device | |
| CN216051694U (en) | Monitor with multi-data acquisition function applied to industrial wastewater | |
| CN208350796U (en) | One heavy metal species soil analysis device | |
| CN216434111U (en) | Plant growth environment monitoring system capable of being observed in close range | |
| CN212539710U (en) | Sampling device based on soil nitrogen measurement | |
| CN206862664U (en) | A kind of biological organic fertilizer Autosampler | |
| CN111351683B (en) | Soil sample collection system and collection method thereof | |
| CN210900636U (en) | Field management system suitable for soybean tectorial membrane cultivation | |
| CN113370915A (en) | AGV inspection trolley for glass greenhouse | |
| CN113985008B (en) | Plant growth environment monitoring system capable of achieving close-range observation | |
| CN114236077A (en) | Fishery aquaculture water quality on-line monitoring device and control method thereof | |
| CN214622633U (en) | Multifunctional soil nutrient detection device | |
| CN221056150U (en) | Meteorological detection sampler | |
| CN111751146A (en) | Dome granary convenient to deep sampling of robot patrols and examines | |
| CN111745663A (en) | Grain depot is patrolled and examined robot camera adjustable mechanism with intelligence | |
| CN203941175U (en) | A kind of bio-toxicity automonitor | |
| CN221124020U (en) | Pretreatment device for soil petroleum hydrocarbon detection | |
| CN221859995U (en) | Sampling mechanism for fertilizer spot check |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |