CN114916281B - Seed germination force measuring device - Google Patents
Seed germination force measuring device Download PDFInfo
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- CN114916281B CN114916281B CN202210443557.7A CN202210443557A CN114916281B CN 114916281 B CN114916281 B CN 114916281B CN 202210443557 A CN202210443557 A CN 202210443557A CN 114916281 B CN114916281 B CN 114916281B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/02—Germinating apparatus; Determining germination capacity of seeds or the like
- A01C1/025—Testing seeds for determining their viability or germination capacity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The utility model discloses a seed germination force measuring device, which comprises a bracket, a breeding chamber for cultivating seeds and a force measuring assembly, wherein the force measuring assembly comprises a vertical force measuring assembly for measuring the germination force of the seeds in the vertical direction and a horizontal force measuring assembly for measuring the germination force of the seeds in the horizontal direction; the vertical force measuring assembly comprises two vertical measuring modules which are respectively positioned above and below the seeds; the horizontal force measuring assembly comprises a plurality of horizontal measuring modules, and the plurality of horizontal measuring modules are symmetrically distributed around the seeds in pairs; the vertical measuring module and the horizontal measuring module comprise probe assemblies abutted against the surfaces of seeds and weighing sensors connected with the probe assemblies; and a avoidance hole for avoiding the probe assembly so that the probe assembly is abutted against the surface of the seed is formed in the breeding chamber. When seeds germinate, the germination force measuring device can conveniently and accurately measure the germination force.
Description
Technical Field
The utility model relates to an agricultural measuring device, in particular to a seed germination force measuring device.
Background
The emergence of the seed is to undergo a germination phase, which refers to the process of water swelling of the seed and ends when the radicle penetrates the seed coat. The main driving phenomenon in the germination phase is the radial expansion of the seeds due to the swelling, this variation in seed size leading to a variation in the seed-soil contact force. Plant scientists have well documented the physiology of this stage for decades and have also studied the interactions of seeds with their environment, such as seed-nutrient interactions and seed-microorganism interactions. However, the dynamics of the seed-soil interactions involved in the germination stage have not been well documented.
In order to solve the above problems, the patent of the utility model with the publication number of CN 202841871U discloses a seed germination force measuring device, which comprises a tube body filled with seeds and a stress measuring instrument, wherein the inner diameter of the tube body is matched with the size of the seeds and two ports are sealed, the stress measuring instrument comprises a strain gauge and a strain gauge which are connected with each other, the strain gauge is attached to the inner wall of the tube body, the size of the seeds is matched with the inner diameter of the tube body, when the seeds germinate, the inner wall of the tube body is extruded to deform, the resistance value of the strain gauge can be changed, and the resistance value change is read and converted into corresponding force data through the strain gauge. The above measurement method is capable of measuring the force generated when seeds germinate, but still has the following problems:
1. the stress piece only sets up in a certain position department in the body, and on the outer periphery of whole seed, only a point contacts with the stress piece, and the seed all produces the effort around the in-process that sprouts, therefore single stress piece can not accurately measure the size of seed germination force.
2. The external diameter of seed and the internal diameter phase-match of body, the in-process that the seed was sprouting can receive the restriction of body inner wall promptly, leads to the seed to sprout under an abnormal environment, can not obtain accurate germination force.
3. A plurality of seeds are placed in the tube body, only one of the seeds is in contact with the stress sheet, and the seeds are mutually extruded when sprouting, so that the sprouting force of the seeds cannot be accurately measured.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a seed germination force measuring device which can conveniently and accurately measure the germination force when seeds germinate.
The technical scheme for solving the technical problems is as follows:
the seed germination force measuring device comprises a bracket, a breeding chamber for cultivating seeds and a force measuring assembly, wherein the force measuring assembly comprises a vertical force measuring assembly for measuring the germination force of the seeds in the vertical direction and a horizontal force measuring assembly for measuring the germination force of the seeds in the horizontal direction; the vertical force measuring assembly comprises two vertical measuring modules which are respectively positioned above and below the seeds; the horizontal force measuring assembly comprises a plurality of horizontal measuring modules, and the plurality of horizontal measuring modules are symmetrically distributed around the seeds in pairs;
the vertical measuring module and the horizontal measuring module comprise probe assemblies abutted against the surfaces of seeds and weighing sensors connected with the probe assemblies;
and a avoidance hole for avoiding the probe assembly so that the probe assembly is abutted against the surface of the seed is formed in the breeding chamber.
The working principle of the germination force measuring device is as follows:
firstly, placing a soaked sponge at the bottom of a breeding chamber, and arranging a clearance hole for avoiding a probe assembly positioned below seeds in the center of the sponge; then, placing the selected seeds on top of the probe assembly located below the seeds; then, the positions of the plurality of horizontal measuring modules are adjusted, so that a plurality of probe assemblies positioned around the seeds are abutted against the surfaces of the seeds; then, adjusting the position of the vertical measuring module above the seeds so that the probe assembly above the seeds abuts against the top surfaces of the seeds; next, covering the periphery of the seeds with the soaked sponge; and finally, recording the information of each weighing sensor once according to a certain time interval in a certain time to obtain germination force data of the seeds in a plurality of directions, and storing the data into a computer. During the measurement, water droplets were added to the sponge pad periodically using a syringe to maintain sufficient moisture in the sponge pad.
According to a preferred scheme of the utility model, the probe assembly comprises a probe abutted against a seed and a sliding sleeve structure for facilitating movement of the probe, wherein the sliding sleeve structure comprises a middle sliding sleeve and an end sliding sleeve connected to one end of the probe; the end sliding sleeve comprises a sliding sleeve body and a push-push column connected to one end of the sliding sleeve body; the middle sliding sleeve is sleeved in the middle of the probe, the sliding sleeve body is connected with one end, far away from seeds, of the probe, and the pushing column is connected with the weighing sensor.
According to a preferred scheme of the utility model, the bracket comprises a base plate and four feet arranged on the base plate, and the vertical force measuring assembly and the horizontal force measuring assembly are arranged on the base plate; the weighing sensors in the upper measuring module are upper weighing sensors, the lower measuring module is positioned below the seeds, and the weighing sensors in the lower measuring module are lower weighing sensors; the weighing sensor in the horizontal measuring module is a horizontal weighing sensor.
In a preferred embodiment of the present utility model, the lower measurement module further includes a lower support plate, two support studs, and a lower support sleeve for supporting the breeding chamber; the lower ends of the two support studs are fixed on the substrate, and the other ends extend upwards; the lower support plate is connected to the two support studs through nuts; the lower end of the lower support sleeve is connected with the lower support plate, and the upper end of the lower support sleeve is connected with the bottom of the breeding chamber; the middle sliding sleeve and the end sliding sleeve are both in sliding connection in the lower supporting sleeve.
Preferably, the lower weighing sensor is located between the base plate and the lower support plate, and a clearance opening is formed in the position, corresponding to the pushing column, on the lower support plate.
In a preferred embodiment of the present utility model, the upper measurement module further includes an upper support plate, an upper top plate, and an upper support sleeve; the upper supporting plate and the upper top plate are connected to the supporting stud through nuts; the upper end of the upper support sleeve is connected to the bottom of the upper support plate; the middle sliding sleeve and the end sliding sleeve are both in sliding connection in the upper supporting sleeve.
Preferably, the upper weighing sensor is located between the upper supporting plate and the upper top plate, and a clearance opening is formed in the upper supporting plate at a position corresponding to the pushing column.
In a preferred embodiment of the present utility model, the leveling module further includes a horizontal support plate, a top block, a horizontal support sleeve, and a clamping member for clamping the horizontal support sleeve; the clamping component is connected to the inner end of the horizontal supporting plate, and the top block is connected to the outer end of the horizontal supporting plate; the horizontal weighing sensor is arranged between the horizontal supporting sleeve and the top block; the middle sliding sleeve and the end sliding sleeve are both in sliding connection in the horizontal support sleeve.
In a preferred embodiment of the present utility model, the level measurement module is mounted on the base plate through an adjustment mechanism; the adjusting mechanism comprises a vertical adjusting module for adjusting the position of the horizontal measuring module in the vertical direction and a horizontal adjusting module for adjusting the position of the horizontal measuring module in the horizontal direction; the vertical adjustment module comprises a first vertical mounting plate and a second vertical mounting plate; the upper end of the first vertical mounting plate is connected with the bottom of the horizontal supporting plate, and a threaded hole is formed in the first vertical mounting plate; the second vertical mounting plate is provided with a kidney-shaped groove along the vertical direction, and the first vertical mounting plate is connected with the second vertical mounting plate through screws.
According to a preferred scheme of the utility model, the horizontal adjustment module comprises a screw-nut mechanism and a sliding rail mechanism; the screw-nut mechanism comprises a bidirectional screw rod arranged at the bottom of the base plate through a screw rod mounting plate and two screw-nuts arranged on the bidirectional screw rod; the sliding rail mechanism comprises a sliding rod and a sliding block which is connected to the sliding rod in a sliding way, and two ends of the sliding rod are connected to the screw rod mounting plate and are positioned below the bidirectional screw rod; in the two vertical adjustment modules corresponding to the two horizontal measurement modules which are symmetrically arranged, two second vertical mounting plates are respectively connected with two screw nuts and are respectively connected with two sliding blocks; and a space avoidance groove is formed in the base plate at a position corresponding to the second vertical mounting plate.
Preferably, the sliding block is provided with a threaded hole leading to the sliding rod, and the threaded hole is arranged along the radial direction of the sliding rod.
In a preferred scheme of the utility model, the four horizontal measuring modules are symmetrically distributed around the seed.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the seed germination force measuring device, the vertical measuring assembly and the horizontal measuring assembly are arranged, so that probes are arranged on the top surface, the bottom surface and the periphery of the seed, and the germination force of the seed in all directions can be measured, so that the germination force of the seed can be accurately measured.
2. According to the seed germination force measuring device, the probes are arranged in all directions of the seeds, the probes are pushed to move in the seed germination process so as to measure the germination force, the probes positioned around the seeds can not limit the development of the seeds, the seeds can be ensured to germinate in a normal environment, and the measured germination force is ensured to be more accurate.
3. Compared with the existing mode of placing a plurality of seeds into a tube body for measurement, the seed germination force measuring device disclosed by the utility model can be used for measuring one seed independently, and the measurement of a single seed cannot be affected by each other during germination of other seeds, so that the measured germination force is more accurate and reliable.
Drawings
Fig. 1 is a front view of a seed germination force measuring apparatus of the present utility model.
Fig. 2 is a front cross-sectional view of the seed germination force measuring apparatus of the present utility model.
Fig. 3 to 5 are perspective views of the seed germination force measuring apparatus of the present utility model, wherein fig. 3 is a perspective view of one direction; FIG. 4 is a perspective view of another orientation; fig. 5 is a perspective view of a third direction.
Detailed Description
The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.
Referring to fig. 1-5, a seed germination force measuring device comprises a bracket, a breeding chamber 1 for cultivating seeds, and a force measuring assembly, wherein the force measuring assembly comprises a vertical force measuring assembly for measuring the germination force of the seeds in the vertical direction and a horizontal force measuring assembly for measuring the germination force of the seeds in the horizontal direction; the vertical force measuring assembly comprises two vertical measuring modules which are respectively positioned above and below the seeds; the horizontal force measuring assembly comprises a plurality of horizontal measuring modules 17, and the plurality of horizontal measuring modules 17 are symmetrically distributed around the seeds in pairs;
the vertical measuring module and the horizontal measuring module 17 comprise a probe assembly abutted against the surface of the seed and a weighing sensor connected with the probe assembly;
the breeding chamber 1 is provided with a avoidance space for avoiding the probe assembly so that the probe assembly is abutted against the surface of the seed.
Referring to fig. 1-5, the probe assembly comprises a probe 2 abutted against a seed and a sliding sleeve structure for facilitating movement of the probe 2, wherein the sliding sleeve structure comprises a middle sliding sleeve 3 and an end sliding sleeve 4 connected to one end of the probe 2; the end sliding sleeve 4 comprises a sliding sleeve body and a push column connected to one end of the sliding sleeve body; the middle sliding sleeve 3 is sleeved in the middle of the probe 2, the sliding sleeve body is connected with one end, far away from seeds, of the probe 2, and the pushing column is connected with the weighing sensor. The probe assembly is arranged, one end of the probe 2 is abutted against the surface of the seed, when the seed germinates, the seed generates an acting force on the probe 2, the probe 2 is pushed to move in a direction away from the seed, the probe 2 drives the middle sliding sleeve 3 and the end sliding sleeve 4 to move, an acting force is generated on the weighing sensor through a pushing column of the end sliding sleeve 4, and the weighing sensor detects the seed germination force in the direction; in the process that probe 2 removed, the sliding sleeve structure plays a supporting effect to probe 2, prevents that probe 2 from swaing the skew at the in-process that removes, transmits weighing sensor on with effort when the seed is germinated accurately to more accurately measure the seed and send out the power.
Referring to fig. 1-5, the bracket comprises a base plate 5 and four feet installed on the base plate 5, wherein the vertical force measuring component and the horizontal force measuring component are both arranged on the base plate 5; of the two vertical measuring modules, an upper measuring module 6 is arranged above the seeds, a weighing sensor in the upper measuring module 6 is an upper weighing sensor 7, a lower measuring module 8 is arranged below the seeds, and a weighing sensor in the lower measuring module 8 is a lower weighing sensor 9; the load cell in the level measurement module 17 is the level load cell 10. Four feet are arranged around the base plate 5 to stably support the base plate 5; the vertical force measuring assembly and the horizontal force measuring assembly are arranged on the base plate 5 to form an integral structure.
Referring to fig. 1-5, the lower measuring module 8 further comprises a lower support plate 11, two support studs 12 and a lower support sleeve 13 for supporting the breeding chamber 1; the lower ends of the two support studs 12 are fixed on the base plate 5, and the other ends extend upwards; the lower support plate 11 is connected to the two support studs 12 through nuts; the lower end of the lower support sleeve 13 is connected with the lower support plate 11, and the upper end is connected with the bottom of the breeding chamber 1; the middle sliding sleeve 3 and the end sliding sleeve 4 are both in sliding connection with the lower supporting sleeve 13. When seeds germinate, a downward acting force is formed on the probe 2, the probe 2 is pushed downwards, the probe 2 drives the middle sliding sleeve 3 and the end sliding sleeve 4 to slide downwards in the lower supporting sleeve 13, an acting force is generated on the lower weighing sensor 9 through the end sliding sleeve 4, and the lower weighing sensor 9 measures the seed germination force in the direction.
Referring to fig. 1-5, the lower load cell 9 is located between the base plate 5 and the lower support plate 11, and a clearance opening is provided on the lower support plate 11 at a position corresponding to the push post. When the probe 2 is pushed down by seed germination, the probe 2 pushes the end sliding sleeve 4 down, so that a pushing column of the end sliding sleeve 4 passes through a clearance opening on the lower supporting plate 11 to act on the lower weighing sensor 9, and the germination force acting downwards when the seeds germinate is measured.
Referring to fig. 1-5, the upper measurement module 6 further comprises an upper support plate 14, an upper top plate 15, and an upper support sleeve 16; the upper supporting plate 14 and the upper top plate 15 are connected to the supporting stud 12 through nuts; the upper end of the upper support sleeve 16 is connected to the bottom of the upper support plate 14; the middle sliding sleeve 3 and the end sliding sleeve 4 are both in sliding connection with the upper supporting sleeve 16. When seeds germinate, an upward acting force is formed on the probe 2, the probe 2 is pushed upwards, the probe 2 drives the middle sliding sleeve 3 and the end sliding sleeve 4 to slide upwards in the upper supporting sleeve 16, an acting force is generated on the upper weighing sensor 7 through the end sliding sleeve 4, and the upper weighing sensor 7 detects the seed germination force in the direction.
Referring to fig. 1-5, the upper load cell 7 is located between the upper support plate 14 and the upper top plate 15, and a clearance opening is provided on the upper support plate 14 at a position corresponding to the push post. When the probe 2 is pushed upwards by seed germination, the probe 2 pushes the end sliding sleeve 4 upwards, so that a pushing column of the end sliding sleeve 4 passes through a clearance opening in the upper supporting plate 14 to act on the upper weighing sensor 7, and the germination force acting upwards during seed germination is measured.
Referring to fig. 1-5, the leveling module 17 further includes a horizontal support plate 18, a top block 19, a horizontal support sleeve 20, and a clamping member 21 for clamping the horizontal support sleeve 20; the clamping part 21 is connected to the inner end of the horizontal support plate 18, and the top block 19 is connected to the outer end of the horizontal support plate 18; the horizontal weighing sensor 10 is arranged between a horizontal support sleeve 20 and a top block 19; the middle sliding sleeve 3 and the end sliding sleeve 4 are both in sliding connection with the horizontal support sleeve 20. When seeds germinate, a horizontal outward acting force is formed on the probe 2, the probe 2 is pushed outwards, the probe 2 drives the middle sliding sleeve 3 and the end sliding sleeve 4 to slide outwards in the horizontal supporting sleeve 20, an acting force is generated on the horizontal weighing sensor 10 through the end sliding sleeve 4, and the horizontal weighing sensor 10 measures the seed germination force in the direction.
Referring to fig. 1 to 5, the leveling module 17 is mounted on the base plate 5 by an adjusting mechanism; the adjusting mechanism comprises a vertical adjusting module for adjusting the position of the horizontal measuring module 17 in the vertical direction and a horizontal adjusting module for adjusting the position of the horizontal measuring module 17 in the horizontal direction; wherein the vertical adjustment module comprises a first vertical mounting plate 22 and a second vertical mounting plate 23; the upper end of the first vertical mounting plate 22 is connected with the bottom of the horizontal support plate 18, and a threaded hole is formed in the first vertical mounting plate 22; the second vertical mounting plate 23 is provided with a kidney-shaped groove along the vertical direction, and the first vertical mounting plate 22 is connected with the second vertical mounting plate 23 through screws. The vertical adjustment module is arranged, a screw penetrates through a kidney-shaped groove on the second vertical mounting plate 23 and is matched and locked with a threaded hole on the first vertical mounting plate 22, and then the second vertical mounting plate 23 can be locked on the first vertical mounting plate 22; when the position of the horizontal measuring module 17 in the vertical direction is adjusted, the screw is unscrewed, the position of the first vertical mounting plate 22 is adjusted, the horizontal support plate 18 in the horizontal measuring module 17 is connected with the first vertical mounting plate 22, and the position of the first vertical mounting plate 22 is adjusted in the vertical direction, so that the position of the horizontal measuring module 17 in the vertical direction can be adjusted; in the process of adjusting the first vertical mounting plate 22, the screw moves in the kidney-shaped groove along with the first vertical mounting plate 22, and after the first vertical mounting plate 22 is adjusted in place, the positions of the first vertical mounting plate 22 and the second vertical mounting plate 23 can be mutually fixed by the locking screw.
Referring to fig. 1-5, the leveling module includes a screw nut mechanism and a slide rail mechanism; the screw-nut mechanism comprises a bidirectional screw rod 25 arranged at the bottom of the base plate 5 through a screw rod mounting plate 24 and two screw nuts 26 arranged on the bidirectional screw rod 25; the sliding rail mechanism comprises a sliding rod 27 and a sliding block 28 which is connected to the sliding rod 27 in a sliding way, and two ends of the sliding rod 27 are connected to the screw rod mounting plate 24 and are positioned below the bidirectional screw rod 25; in the two vertical adjustment modules corresponding to the two horizontal measurement modules 17 arranged symmetrically, the two second vertical mounting plates 23 are respectively connected with the two screw nuts 26 and are respectively connected with the two sliding blocks 28; and a space avoiding groove is formed in the position, corresponding to the second vertical mounting plate 23, of the base plate 5. When the bidirectional screw rod 25 is twisted, the two screw nuts 26 move oppositely or oppositely on the bidirectional screw rod 25 at the same time, so that the two second vertical mounting plates 23 connected with the screw nuts 26 move oppositely or oppositely along with the screw nuts 26, namely, the vertical adjustment module moves along with the screw nuts 26, and the horizontal measurement module 17 arranged on the vertical adjustment module moves along with the screw nuts 26; in addition, due to the arrangement of the bidirectional screw rod 25, when the bidirectional screw rod 25 is twisted, the two horizontal measuring modules 17 which are symmetrical about the center of the seed move towards the seed or away from the seed at the same time, so that the distance between the two probes 2 and the seed can be adjusted at the same time, the adjusting efficiency is high, the two probes 2 can be ensured to be always symmetrically abutted against the surface of the seed, and the change condition of the germination force of the seed is monitored at all times.
Referring to fig. 1 to 5, the slide block 28 is provided with a screw hole leading to the slide bar 27, the screw hole being disposed along the radial direction of the slide bar 27. The screw holes are formed, jackscrews are arranged in the screw holes, in the process of twisting the bidirectional screw rod 25, the screw rod nut 26 drives the second vertical mounting plate 23 to move, and the second vertical mounting plate 23 is connected with the sliding block 28, so that the sliding block 28 can slide on the sliding rod 27, after the second vertical mounting plate 23 moves in place, the top of the jackscrews is abutted against the sliding rod 27 through locking the jackscrews, the sliding block 28 is fixed on the sliding rod 27, the second vertical mounting plate 23 can be fixed, and the position of the horizontal measuring module 17 in the horizontal direction can be fixed.
Referring to fig. 1-5, the four leveling modules 17 are arranged symmetrically around the seed, and the four leveling modules 17 are distributed around the seed. Thus, four level measuring modules 17 are provided in front of, behind, left of and right of the seed, respectively, and measure germination forces in four directions, respectively.
Referring to fig. 1 to 5, the germination force measuring device has the following working principle:
firstly, placing a soaked sponge at the bottom of a breeding chamber 1, and arranging a clearance hole for avoiding a probe assembly positioned below seeds in the center of the sponge; then, placing the selected seeds on top of the probe assembly located below the seeds; next, the positions of the plurality of horizontal measuring modules 17 are adjusted so that a plurality of probe assemblies positioned around the seeds are abutted against the surfaces of the seeds; then, adjusting the position of the vertical measuring module above the seeds so that the probe assembly above the seeds abuts against the top surfaces of the seeds; next, covering the periphery of the seeds with the soaked sponge; and finally, recording the information of each weighing sensor once according to a certain time interval in a certain time to obtain germination force data of the seeds in a plurality of directions, and storing the data into a computer. During the measurement, water droplets were added to the sponge pad periodically using a syringe to maintain sufficient moisture in the sponge pad.
The foregoing is illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various changes, modifications, substitutions, combinations, and simplifications which may be made therein without departing from the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. The seed germination force measuring device is characterized by comprising a bracket, a breeding chamber for cultivating seeds and a force measuring assembly, wherein the force measuring assembly comprises a vertical force measuring assembly for measuring the germination force of the seeds in the vertical direction and a horizontal force measuring assembly for measuring the germination force of the seeds in the horizontal direction; the vertical force measuring assembly comprises two vertical measuring modules which are respectively positioned above and below the seeds; the horizontal force measuring assembly comprises a plurality of horizontal measuring modules, and the plurality of horizontal measuring modules are symmetrically distributed around the seeds in pairs;
the vertical measuring module and the horizontal measuring module comprise probe assemblies abutted against the surfaces of seeds and weighing sensors connected with the probe assemblies; the probe assembly comprises a probe abutted against the seed and a sliding sleeve structure for facilitating movement of the probe, and the sliding sleeve structure comprises a middle sliding sleeve and an end sliding sleeve connected to one end of the probe; the end sliding sleeve comprises a sliding sleeve body and a push-push column connected to one end of the sliding sleeve body; the middle sliding sleeve is sleeved in the middle of the probe, the sliding sleeve body is connected with one end, far away from seeds, of the probe, and the pushing column is connected with the weighing sensor;
the breeding chamber is provided with a avoidance space for avoiding the probe assembly so that the probe assembly is abutted against the surface of the seed;
the support comprises a base plate and four feet arranged on the base plate;
the vertical force measuring assembly and the horizontal force measuring assembly are arranged on the substrate; the weighing sensors in the upper measuring module are upper weighing sensors, the lower measuring module is positioned below the seeds, and the weighing sensors in the lower measuring module are lower weighing sensors; the weighing sensor in the horizontal measuring module is a horizontal weighing sensor;
the horizontal measuring module further comprises a horizontal supporting plate, a top block, a horizontal supporting sleeve and a clamping component for clamping the horizontal supporting sleeve; the clamping component is connected to the inner end of the horizontal supporting plate, and the top block is connected to the outer end of the horizontal supporting plate; the horizontal weighing sensor is arranged between the horizontal supporting sleeve and the top block; the middle sliding sleeve and the end sliding sleeve are both in sliding connection with the horizontal support sleeve; the level measurement module is arranged on the substrate through an adjusting mechanism; the adjusting mechanism comprises a vertical adjusting module for adjusting the position of the horizontal measuring module in the vertical direction and a horizontal adjusting module for adjusting the position of the horizontal measuring module in the horizontal direction; the vertical adjustment module comprises a first vertical mounting plate and a second vertical mounting plate; the upper end of the first vertical mounting plate is connected with the bottom of the horizontal supporting plate, and a threaded hole is formed in the first vertical mounting plate; the second vertical mounting plate is provided with a kidney-shaped groove along the vertical direction, and the first vertical mounting plate is connected with the second vertical mounting plate through screws.
2. The seed germination force measurement device of claim 1, wherein the lower measurement module further comprises a lower support plate, two support studs, and a lower support sleeve for supporting the breeding chamber; the lower ends of the two support studs are fixed on the substrate, and the other ends extend upwards; the lower support plate is connected to the two support studs through nuts; the lower end of the lower support sleeve is connected with the lower support plate, and the upper end of the lower support sleeve is connected with the bottom of the breeding chamber; the middle sliding sleeve and the end sliding sleeve are both in sliding connection in the lower supporting sleeve.
3. The seed germination force measurement device of claim 2, wherein the lower load cell is positioned between the base plate and the lower support plate, and wherein a clearance opening is provided in the lower support plate at a position corresponding to the push post.
4. A seed germination force measurement apparatus according to claim 3, wherein the upper measurement module further comprises an upper support plate, an upper top plate and an upper support sleeve; the upper supporting plate and the upper top plate are connected to the supporting stud through nuts; the upper end of the upper support sleeve is connected to the bottom of the upper support plate; the middle sliding sleeve and the end sliding sleeve are both in sliding connection in the upper supporting sleeve.
5. The seed germination force measurement device of claim 4, wherein the upper load cell is positioned between an upper support plate and an upper top plate, and wherein a clearance opening is provided in the upper support plate at a position corresponding to the push post.
6. The seed germination force measurement device of claim 1, wherein the level adjustment module comprises a lead screw nut mechanism and a slide rail mechanism; the screw-nut mechanism comprises a bidirectional screw rod arranged at the bottom of the base plate through a screw rod mounting plate and two screw-nuts arranged on the bidirectional screw rod; the sliding rail mechanism comprises a sliding rod and a sliding block which is connected to the sliding rod in a sliding way, and two ends of the sliding rod are connected to the screw rod mounting plate and are positioned below the bidirectional screw rod; in the two vertical adjustment modules corresponding to the two horizontal measurement modules which are symmetrically arranged, two second vertical mounting plates are respectively connected with two screw nuts and are respectively connected with two sliding blocks; and a space avoidance groove is formed in the base plate at a position corresponding to the second vertical mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210443557.7A CN114916281B (en) | 2022-04-25 | 2022-04-25 | Seed germination force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210443557.7A CN114916281B (en) | 2022-04-25 | 2022-04-25 | Seed germination force measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114916281A CN114916281A (en) | 2022-08-19 |
| CN114916281B true CN114916281B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210443557.7A Active CN114916281B (en) | 2022-04-25 | 2022-04-25 | Seed germination force measuring device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1452280A (en) * | 1973-03-02 | 1976-10-13 | British United Shoe Machinery | Measuring machines |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8028469B2 (en) * | 2006-03-02 | 2011-10-04 | Monsanto Technology Llc | Automated high-throughput seed sampler and methods of sampling, testing and bulking seeds |
| CN202841871U (en) * | 2012-11-14 | 2013-04-03 | 陈一文 | Seed germination power measuring device |
| CN104798491B (en) * | 2014-12-15 | 2018-05-08 | 青岛农业大学 | A kind of Course of Corn Seed Germination top geotechnical survey method |
-
2022
- 2022-04-25 CN CN202210443557.7A patent/CN114916281B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1452280A (en) * | 1973-03-02 | 1976-10-13 | British United Shoe Machinery | Measuring machines |
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| CN114916281A (en) | 2022-08-19 |
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