CN114324053A - Automatic measuring device and method for water content of plant leaves - Google Patents
Automatic measuring device and method for water content of plant leaves Download PDFInfo
- Publication number
- CN114324053A CN114324053A CN202111483393.2A CN202111483393A CN114324053A CN 114324053 A CN114324053 A CN 114324053A CN 202111483393 A CN202111483393 A CN 202111483393A CN 114324053 A CN114324053 A CN 114324053A
- Authority
- CN
- China
- Prior art keywords
- module
- tray
- sample
- shell
- moisture content
- 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.)
- Withdrawn
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an automatic measuring device and method for the water content of plant leaves. The plant leaves are shredded, so that the drying efficiency is improved, and the accuracy of a measurement result is ensured; and the real-time calculation of the change rate of the water content is matched, so that the drying end time is automatically judged, and the automatic measurement of the water content of the plant leaves is realized.
Description
Technical Field
The invention relates to standardized processing and water content measurement of plant leaves, in particular to an automatic measuring device and method for the water content of plant leaves.
Background
In the industries of cigarette and traditional Chinese medicine production and the like, because the moisture content of raw materials has important influence on final products, after the raw materials are purchased from growers in various factories, the raw materials need to be subjected to preliminary treatment such as loosening and moisture regaining and the like, and the moisture content of the raw materials is measured; in actual production, when the moisture content of plant leaves is measured, the situation that the measurement result is inaccurate frequently occurs in the moisture content measurement process due to the fact that the plant leaves are different in size; in the process of carrying out a moisture content measurement experiment in a laboratory, pretreatment operations such as crushing and the like are generally required to be carried out on a sample to be measured; during the crushing process, the final measurement result of the moisture content is influenced by the experimental environment and the evaporation of the moisture of the measured object, so that the final measurement result is usually lower than the actual moisture content. In view of the above circumstances, the present invention aims to solve the problems of complicated steps for processing a measured sample, inaccurate final measurement result, etc. during the measurement of the moisture content of plant leaves, and provides an automatic measurement device for pre-processing, drying and measuring the moisture content of a measured object. The technical scheme adopted by the invention for solving the technical problems is as follows:
automatic measuring device of plant leaf moisture content, its characterized in that: the device comprises a sample processing module, a lifting module, a sample bearing module, a drying and temperature measuring module, a weighing module and a control and display module.
The sample processing module comprises a spring structure, a motor, a special-shaped coupler and a hob structure; the spring structure consists of a spring part, an upper end fixing part and a lower end fixing part, wherein the upper part of the spring part is connected with the upper end fixing part, and the lower part of the spring part is connected with the lower end fixing part; the rear end cover of the motor is connected with the lower end fixing piece, and a central shaft of the motor is fixed with the special-shaped coupling; the side surface of the special-shaped coupler is provided with three threaded holes for fixing a hob structure; the hob structure is driven by a motor to shred the sample;
the lifting module mainly comprises a shell, an electric telescopic rod and a heat insulation rubber ring; the shell is divided into an upper part and a lower part, and the upper part shell is driven by the electric telescopic rod to be opened and closed with the lower part shell; the upper part shell is internally provided with a cylindrical hollow structure and is used for installing an upper end fixing piece in the sample processing module; the heat insulation rubber ring is fixed on the bottom end surface of the upper shell and used for insulating heat and weakening collision with the lower shell;
the sample bearing module mainly comprises a tray, a tray frame and a lifting rod structure; the edge of the tray has a certain width and can be erected on the tray frame; the tail end of the tray frame is fixed with the lifting rod structure; the lifting rod structure consists of a motor, a lifting connecting rod and a base, and the motor and the lifting connecting rod are respectively fixed on the base;
the drying and temperature measuring module mainly comprises a heat shield, a heating wire, a heating plate and a temperature sensor; the bottom of the heat shield is connected with a heating wire, the upper end and the lower end of the heating plate are of circular structures, the side wall of the heating plate has a ventilation function and is provided with a temperature sensor (the outer wall structure can be designed into a multi-surface structure, and the ventilation structure and the temperature sensor can be designed as required); the heating plate is embedded in the heat insulation cover and fixed above the heating wire, and a through hole is formed in the centers of the heating plate and the heat insulation cover and used for installing a connecting column in the weighing module;
the weighing module consists of a cross bracket, a connecting column and a weighing platform; the cross-shaped bracket is connected with the weighing platform through a connecting column.
The control and display module is used for controlling the motor and the heating module, reading temperature data of the temperature sensor and weight data of the weighing module, processing and displaying data, and has an upper computer communication function;
preferably, the hob structure consists of a main rod, a rubber sleeve and a blade set, wherein the tail end of the main rod is provided with a thread and can be matched and connected with a threaded hole in the side surface of the special-shaped coupler, and the rubber sleeve is sleeved on the main rod; the blade group consists of a bearing and annular blades, the annular blades are embedded in the outer ring of the bearing, the bearing is sleeved on the rubber sleeve, and the installation number of the blade group can be determined according to actual requirements; the number of the hob structures can be set to 2-4 groups, and the interval of the blade groups in each hob structure can be adjusted, so that the rolling tracks of all the annular blades are staggered uniformly; all the annular blades have pressure when contacting the tray under the action of the spring structure, so that the tested sample is effectively processed while the surface of the tray is not damaged;
preferably, the central part of the bottom of the tray in the sample bearing module is in a cylindrical protruding structure, so as to avoid the situation that the central part of the tray cannot be processed in the shredding process of the hob structure;
preferably, the drying and temperature measuring module mainly comprises a heat insulation cover, a heating wire, a heating plate and a temperature sensor; the heating wires are of a concentric circle structure and are arranged at the bottom of the heating plate, so that the samples in the tray above the heating plate are uniformly heated in the heating process;
preferably, the weighing module consists of a cross bracket, a connecting column and a weighing platform; the connecting column is arranged in the heat insulation cover in the drying and temperature measuring module and a round hole in the center of the heating plate, the upper end of the connecting column is connected with the cross-shaped bracket, and the lower end of the connecting column is connected with the weighing platform; under the weighing state, the cross-shaped bracket drives the connecting column to extrude the weighing platform below, so that the weight of the measured object is measured.
The automatic detection device work flow of plant leaf moisture content includes following specific content:
firstly, clicking a button on a control and display module to enable an upper shell in a lifting module and a tray frame in a sample bearing structure to ascend; secondly, uniformly placing the samples to be detected on the periphery of the tray, and clamping the samples to be detected on a tray frame through tweezers; thirdly, clicking a button on the control and display module again to enable the tray frame to continuously reduce the height through the lifting rod structure until the tray is placed on the cross-shaped bracket and separated from the cross-shaped bracket; the upper shell continuously descends until being closed with the lower shell through the lifting rod, and the heat insulation rubber strip prevents the upper and lower shells from colliding and enables the inner part to form a closed space; fourthly, a motor in the sample processing module starts to rotate at a low speed to drive a hob structure to shred the standard sample, and the processing time is determined according to the actual required sample quality; fifthly, after the cut filaments are processed, heating filaments in the drying and temperature measuring module are rapidly heated to 100 ℃, and meanwhile, the temperature sensor and a weighing platform in the balance module start to collect and record relevant data in real time; the device can automatically calculate the water content and the change rate of the water content by combining the collected weight data with the drying time; sixthly, when the change rate of the moisture content is reduced to delta, automatically stopping drying and outputting corresponding moisture content, finishing the moisture content measurement and outputting a corresponding moisture content measurement result;
compared with the prior art, the invention has the following beneficial effects:
1. the device provided by the invention has the advantages that the measurement process of the water content of the plant leaves is automated, in the measurement process, a user only needs to place a sample in the tray, the device automatically completes the rest measurement steps, and the measurement efficiency is improved.
2. The device solves the problem of inaccurate moisture content measurement result caused by the size of the plant leaves, and the plant leaves are shredded before being dried, so that the moisture content measurement result is not influenced, the drying time is shortened, and the measurement accuracy is improved.
3. The device provided by the invention solves the problem that the drying time cannot be determined when different types of samples are measured by recording the corresponding weight change rate when the water content of the standard plant leaf sample is measured, determines the standard of drying completion and improves the stability of the measurement result.
FIG. 1 is a general view of an automatic measuring device for water content of plant leaves in the device of the present invention.
FIG. 2 is a diagram of the structure of an automatic measuring device for water content of plant leaves.
FIG. 3 is a block diagram of a sample processing module.
Fig. 4 is a structural view of the lifting module.
FIG. 5 is a view showing the structure of a sample support module.
Fig. 6 is a structural diagram of the drying and temperature measuring module.
Fig. 7 is a view of the structure of a weighing module.
Fig. 8 is a view of the hob structure.
FIG. 9 is a flow chart of the operation of the automatic measuring device for the water content of plant leaves.
In the figure: 1. a sample processing module; 2. a lifting module; 3. a sample support module; 4. a drying and temperature measuring module; 5. a weighing module; 6. a control and display module; 1-1, an upper end fixing piece; 1-2, spring elements; 1-3, lower end fixing piece; 1-4 motors; 1-5, a hob structure; 1-6, special-shaped coupling; 2-1, an upper housing; 2-2, electrically operated telescopic rods; 2-3, a heat insulation rubber ring; 2-4, a lower shell; 3-1, a tray rack; 3-2, a lifting connecting rod; 3-3, a motor; 3-4, a base; 3-5, a tray; 4-1, heating the plate; 4-2, a temperature sensor; 4-3, a heat shield; 4-4, heating wires; 5-1, a cross bracket; 5-2, connecting columns; 5-3, a weighing platform; 1-5-1, main pole; 1-5-2 parts of rubber sleeve; 1-5-3, a blade set;
Detailed Description
The device of the present invention is further described with reference to the accompanying drawings.
The sample processing module 1 is shown in fig. 3 and comprises a spring structure, a motor 1-4, a special-shaped coupler 1-6 and a hob structure 1-5; the spring structure consists of 1-2 spring parts, 1-1 upper end fixing parts and 1-3 lower end fixing parts; the upper part of the spring part 1-2 is connected with the upper end fixing part 1-1, and the lower part of the spring part 1-2 is connected with the lower end fixing part 1-3; the rear end cover of the 1-4 motor is connected with the lower end fixing part of the 1-3 motor, and the central shaft of the 1-4 motor is fixed with the 1-6 special-shaped coupling; the side surface of the 1-6 special-shaped coupler is provided with three threaded holes for fixing the 1-5 hob structure; the 1-5 hob structure is driven by a motor to shred the sample;
the lifting module 2 is mainly composed of a shell, a 2-2 electric telescopic rod and a 2-3 heat insulation rubber ring as shown in figure 4; the shell consists of an upper shell of 2-1 and a lower shell of 2-4; 2-1, the upper shell is internally provided with a cylindrical hollow structure and is used for being fixed with a fixing piece at the upper end of 1-1 in the sample processing module 1; 2-2 electric telescopic rods are fixed at four corners of the upper part shell of 2-1, and the other end is fixed with the lower part shell of 2-4; 2-3 heat insulation rubber ring is fixed on the bottom end face of the upper part shell 2-1 and used for heat insulation and weakening collision with the lower part shell;
the 3 sample carrying module is shown in fig. 5 and mainly comprises a 3-1 tray frame, a 3-5 tray and a lifting rod structure; the outer edge of the 3-5 tray has a certain width and is used for being erected in a 3-1 tray frame, and the tail part of the 3-1 tray frame is fixed with the lifting rod structure; the lifting rod structure consists of a 3-2 lifting connecting rod, a 3-3 motor and a 3-4 base, wherein the 3-3 motor and the 3-2 lifting connecting rod are respectively fixed on the 3-4 base.
The 4 drying and temperature measuring module is shown in fig. 6 and mainly comprises a 4-3 heat shield, a 4-4 heating wire, a 4-1 heating plate and a 4-2 temperature sensor; the bottom of the 4-3 heat insulation cover is connected with a 4-4 heating wire; the upper end and the lower end of the 4-1 heating plate are of circular structures, the side wall has a ventilation function, and a 4-2 temperature sensor is installed (the outer wall structure can be designed into a multi-surface structure, and the ventilation structure and the temperature sensor can be designed as required); the 4-1 heating plate is embedded in the 4-3 heat insulation cover and fixed above the 4-4 heating wire, and a through hole is formed in the centers of the 4-1 heating plate and the 4-3 heat insulation cover and used for installing a 5-2 connecting column in the 5 weighing module;
the weighing module 5 is composed of a 5-1 cross bracket, a 5-2 connecting column and a 5-3 weighing platform, as shown in fig. 7; the 5-1 cross-shaped bracket is connected with the 5-3 weighing platform through a 5-2 connecting column.
The control and display module 6 is used for controlling the motor and the heating module, reading temperature data of the temperature sensor and weight data of the weighing module, processing and displaying data, and has an upper computer communication function;
preferably, the 1-5 hob structure is as shown in fig. 8, and comprises a 1-5-1 main rod, a 1-5-2 rubber sleeve and a 1-5-3 blade group, wherein the tail end of the 1-5-1 main rod is provided with a thread which can be matched and connected with a threaded hole on the side surface of a 1-6 special-shaped coupler, and the 1-5-2 rubber sleeve is sleeved on the 1-5-1 main rod; the 1-5-3 blade group consists of a bearing and annular blades, the annular blades are embedded in the outer ring of the bearing, the bearing is sleeved on the 1-5-2 rubber sleeve, and the installation number of the 1-5-3 blade group can be determined according to actual requirements; the number of the 1-5 hob structures can be set to 2-4 groups, and the interval of the 1-5-3 cutter groups in each 1-5 hob structure can be adjusted, so that the rolling tracks of all the annular blades are staggered uniformly; all the annular blades have pressure when contacting the 3-5 trays under the action of the spring structure, and the tested sample is effectively processed while the surface of the 3-5 trays is not damaged;
preferably, the tray in the 3 sample bearing module has a cylindrical protrusion structure at the central part of the bottom thereof, so as to avoid the condition that the central part of the 3-5 tray cannot be processed in the shredding process of the 1-5 hob structure;
preferably, the 4-drying and temperature measuring module mainly comprises a 4-3 heat shield, a 4-4 heating wire, a 4-1 heating plate and a 4-2 temperature sensor; the 4-4 heating wire is of a concentric circle structure and is arranged at the bottom of the 4-1 heating plate, so that the sample in a tray 3-5 above the 4-1 heating plate is uniformly heated in the heating process;
preferably, the 5 weighing module consists of a 5-1 cross bracket, a 5-2 connecting column and a 5-3 weighing platform; the 5-2 connecting column is arranged in a 4-3 heat insulation cover in the 4 drying and temperature measuring module and a round hole at the center of the 4-1 heating plate, the upper end of the 5-2 connecting column is connected with the 5-1 cross bracket, and the lower end is connected with the 5-3 weighing platform; under the weighing state, the 5-1 cross bracket drives the 5-2 connecting column to extrude the 5-3 weighing platform, so that the weight of the measured object is measured.
In this embodiment, the automatic detection device work flow of plant leaf moisture content includes following specific content:
firstly, clicking a lifting button on a 6-point control and display module to enable an upper shell in the 6-point lifting module and a 3-1 tray frame in a 3-point sample bearing module to ascend; secondly, uniformly placing the sample to be detected on the periphery of the 3-5 tray, and clamping the sample to be detected on a 3-1 tray frame through tweezers; thirdly, clicking a start button on the 6 control and display module again to enable the 3-1 tray frame to continuously reduce the height through the lifting rod structure until the 3-5 tray is placed on and separated from the 5-1 cross bracket; 2-1, the upper shell continuously descends through a 2-2 electric telescopic rod until the upper shell is closed with the lower shell of 2-4, and 2-3 heat insulation rubber strips prevent the upper and lower shells from colliding and simultaneously form a closed space inside; fourthly, 1, a motor in the sample processing module starts to rotate at a low speed to drive a 1-5 hob structure to shred the standard sample, and the processing time is determined according to the actual required sample quality; fifthly, finishing the treatment of the to-be-cut filaments, rapidly heating 4-4 heating filaments in the drying and temperature measuring module to 100 ℃, and simultaneously starting to collect and record relevant data in real time by the 4-2 temperature sensor and the 5-3 weighing tables in the 5 weighing modules; the device can automatically calculate the water content and the change rate of the water content by combining the collected weight data with the drying time; sixthly, when the change rate of the moisture content is reduced to delta, automatically stopping drying and outputting corresponding moisture content, finishing the moisture content measurement and outputting a corresponding moisture content measurement result;
so far, through the structure to plant leaf moisture content automatic measuring device and to moisture content and moisture content rate of change measuring method's introduction, realized the quick measurement to plant leaf moisture content, remedied present at the measurement plant leaf in-process, because the too big and inaccurate defect of measuring result that the loaded down with trivial details scheduling problem of processing step of the shape size difference of plant leaf itself leads to, highlighted experimental apparatus to automatic, intelligent conversion.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides an automatic measuring device of plant leaf moisture content which characterized in that: the device consists of a sample processing module, a lifting module, a sample bearing module, a drying and temperature measuring module, a weighing module and a control and display module;
the sample processing module comprises a spring structure, a motor, a special-shaped coupler and a hob structure; the spring structure consists of a spring part, an upper end fixing part and a lower end fixing part, wherein the upper part of the spring part is connected with the upper end fixing part, and the lower part of the spring part is connected with the lower end fixing part; the rear end cover of the motor is connected with the lower end fixing piece, and the central shaft of the motor is fixed with the special-shaped coupler; the side surface of the special-shaped coupler is provided with three threaded holes for fixing a hob structure; the hob structure is driven by a motor to shred the sample;
the lifting module mainly comprises a shell, an electric telescopic rod and a heat insulation rubber ring; the shell is divided into an upper part and a lower part, and the upper part shell is driven by the electric telescopic rod to be opened and closed with the lower part shell; the upper part shell is internally provided with a cylindrical hollow structure and is used for installing an upper end fixing piece in the sample processing module; the heat insulation rubber ring is fixed on the bottom end surface of the upper shell and used for insulating heat and weakening collision with the lower shell;
the sample bearing module mainly comprises a tray, a tray frame and a lifting rod structure; the edge of the tray has a certain width and can be erected on the tray frame; the tail end of the tray frame is fixed with the lifting rod structure; the lifting rod structure consists of a motor, a lifting rod and a base, and the motor and the lifting rod are respectively fixed on the base;
the drying and temperature measuring module mainly comprises a heat shield, a heating wire, a heating plate and a temperature sensor; the bottom of the heat shield is connected with a heating wire, the upper end and the lower end of the heating plate are of circular structures, the side wall of the heating plate has a ventilation function and is provided with a temperature sensor (the outer wall structure can be designed into a multi-surface structure, and the ventilation structure and the temperature sensor can be designed as required); the heating plate is embedded in the heat insulation cover and fixed above the heating wire, and a through hole is formed in the centers of the heating plate and the heat insulation cover and used for installing a connecting column in the weighing module;
the weighing module consists of a cross bracket, a connecting column and a weighing platform; the cross-shaped bracket is connected with the weighing platform through a connecting column;
the control and display module is used for controlling the motor and the heating module, reading temperature data of the temperature sensor and weight data of the weighing module, processing and displaying data, and has an upper computer communication function;
2. the automatic measuring device of plant leaf moisture content of claim 1, characterized in that: the hob structure consists of a main rod, a rubber sleeve and a blade set, wherein the tail end of the main rod is provided with a thread and can be matched and connected with a threaded hole in the side surface of the special-shaped coupler, and the rubber sleeve is sleeved on the main rod; the blade group consists of a bearing and annular blades, the annular blades are embedded in the outer ring of the bearing, the bearing is sleeved on the rubber sleeve, and the installation number of the blade group can be determined according to actual requirements; the number of the hob structures can be set to 2-4 groups, and the interval of the blade groups in each hob structure can be adjusted, so that the rolling tracks of all the annular blades are staggered uniformly; all the annular blades have pressure when contacting the tray under the action of the spring structure, so that the tested sample is effectively processed while the surface of the tray is not damaged;
3. the automatic measuring device of plant leaf moisture content of claim 1, characterized in that: the central part of the bottom of the tray in the sample bearing module is of a cylindrical protruding structure, so that the situation that the central part of the tray cannot be processed in the shredding process of the hob structure is avoided; meanwhile, a heating wire with a concentric circle structure is matched, so that the sample in the tray is uniformly heated in the heating process;
4. a measuring method of an automatic measuring device for the water content of plant leaves is characterized in that: the operation process is simple, and sample processing, stoving are weighed, result display and output all automated processing, and the main flow is: firstly, clicking a key to lift an upper shell in a lifting structure and a tray frame in a sample bearing structure, and uniformly placing a sample to be detected into a tray and placing the sample into the tray frame; clicking a starting button, and descending the tray frame until the tray is placed on the cross-shaped bracket; the upper shell is also descended until the upper shell is closed with the lower shell; then, a hobbing cutter structure in the sample processing module shreds the samples in the tray; after the shredding treatment is finished, rapidly heating the heating wire to 100 ℃, simultaneously collecting the measurement data of the temperature sensor and the weighing platform in real time, and calculating the water content and the change rate of the water content; and when the change rate of the moisture content is reduced to sigma, automatically stopping drying, outputting the corresponding moisture content, and finishing the moisture content measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111483393.2A CN114324053A (en) | 2021-12-07 | 2021-12-07 | Automatic measuring device and method for water content of plant leaves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111483393.2A CN114324053A (en) | 2021-12-07 | 2021-12-07 | Automatic measuring device and method for water content of plant leaves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114324053A true CN114324053A (en) | 2022-04-12 |
Family
ID=81049594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111483393.2A Withdrawn CN114324053A (en) | 2021-12-07 | 2021-12-07 | Automatic measuring device and method for water content of plant leaves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114324053A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117949342A (en) * | 2024-03-27 | 2024-04-30 | 四川省林业和草原调查规划院(四川省林业和草原生态环境监测中心) | On-line measuring device for moisture content of under-forest withered matters |
-
2021
- 2021-12-07 CN CN202111483393.2A patent/CN114324053A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117949342A (en) * | 2024-03-27 | 2024-04-30 | 四川省林业和草原调查规划院(四川省林业和草原生态环境监测中心) | On-line measuring device for moisture content of under-forest withered matters |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2020104109A4 (en) | Self-turning vermicelli processing and conveying device and using method thereof | |
| CN114324053A (en) | Automatic measuring device and method for water content of plant leaves | |
| CN210322667U (en) | Multi-sample tobacco moisture rapid detection device | |
| CN103063529A (en) | Small punch testing method for reactor pressure vessel steel | |
| CN204269501U (en) | A kind of fire resistive material simulation on-line measuring device | |
| CN110132788A (en) | A kind of Multi-example automatic weighing system for the quick water content detection of tobacco | |
| CN207231538U (en) | A kind of high accuracy air detecting device | |
| CN108375606B (en) | Device and method for measuring water content of plant leaves | |
| CN203164056U (en) | Experimental system for testing nut hull-breaking mechanical property | |
| CN112051169A (en) | Round bamboo hardness modulus grader and use method thereof | |
| CN108760577A (en) | A kind of resin-oatmeal hardening time measurement system | |
| CN216247440U (en) | Sesame constant temperature grinds draws detection device | |
| CN215997115U (en) | Biological cell separation device convenient to get and put test tube | |
| CN105403426B (en) | A kind of testing stand for the special weeding cutter performance detection in root of purple-flowered peucedanum medicine field | |
| CN208752026U (en) | A kind of heavy metal-polluted soil detector | |
| CN210243669U (en) | Sludge pH value detection device | |
| CN112557098B (en) | Acceptance checking device for grain purchase | |
| CN109444073A (en) | A kind of nutrient quality index near infrared spectrum detection modeling analysis platform | |
| CN218296667U (en) | High-efficient heating screening integrated device is used in sandalwood spices production | |
| CN218601300U (en) | Fruit juice quality detection device | |
| CN110031640B (en) | Sludge pH value detection device and detection method | |
| CN218239422U (en) | Automatic sampling device for saponin | |
| CN208984612U (en) | A kind of online device for measuring moisture of tea seed | |
| CN2224674Y (en) | Duvet inspecting instrument | |
| CN219624713U (en) | Finished product inspection device |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220412 |