CN114916281A - Seed germination force measuring device - Google Patents
Seed germination force measuring device Download PDFInfo
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- CN114916281A CN114916281A CN202210443557.7A CN202210443557A CN114916281A CN 114916281 A CN114916281 A CN 114916281A CN 202210443557 A CN202210443557 A CN 202210443557A CN 114916281 A CN114916281 A CN 114916281A
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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 invention 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 seed germination force in the vertical direction and a horizontal force measuring assembly for measuring seed germination force 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 on the periphery of the seeds in pairs; the vertical measuring module and the horizontal measuring module respectively comprise a probe assembly tightly propped against the surface of the seed and a weighing sensor connected with the probe assembly; the breeding chamber is provided with a vacancy avoiding position used for avoiding the probe assembly so that the probe assembly is tightly propped against the surface of the seed. When the seed germinates, this germination capacity measuring device can conveniently, accurately measure the size of the power of sprouting.
Description
Technical Field
The invention relates to an agricultural measuring device, in particular to a seed germination force measuring device.
Background
The emergence of the seed is subjected to the germination phase, which is the process of water swelling of the seed and ending when the radicle penetrates the seed coat. The main dynamic phenomenon in the germination phase is the radial expansion of the seeds due to imbibition, and this variation in seed size results in a variation in the seed-soil contact force. Plant scientists have well documented the physiology of this stage for decades, and have also studied seed interactions with their environment, such as seed-nutrient interactions and seed-microbial interactions. However, the dynamics of the seed-soil interaction involved in the germination phase have not been well documented.
In order to solve the problem, the utility model discloses a grant publication number is CN 202841871U's utility model discloses a seed germination power measuring device, including the body and the stress measurement appearance that are equipped with the seed, the big or small cooperation of body internal diameter and seed and both ends mouth are sealed, the stress measurement appearance include interconnect's foil gage and strainometer, the foil gage paste the body inner wall on, seed size and body internal diameter adaptation when the seed is sprouted, can extrude the body inner wall and produce deformation, and then can change the resistance of foil gage, this resistance changes and reads and convert corresponding strength data through the strainometer. Although the above-described measurement method can measure the force generated when seeds germinate, the following problems still exist:
1. the stress sheet is only arranged at a certain position in the tube body, only one point is contacted with the stress sheet on the outer circumferential surface of the whole seed, and the seed generates acting force all around in the germination process, so that the single stress sheet cannot accurately measure the germination force of the seed.
2. The external diameter of seed and the internal diameter phase-match of body, the seed can receive the restriction of body inner wall at the in-process of sprouting promptly, leads to the seed to sprout under an improper environment, can not draw accurate germination power.
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 during germination, so that the germination force of the seeds cannot be accurately measured.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the seed germination capacity measuring device, and the germination capacity measuring device can conveniently and accurately measure the germination capacity during seed germination.
The technical scheme for solving the technical problems is as follows:
a seed germination force measuring device comprises a support, a breeding chamber for cultivating seeds and a force measuring assembly, wherein the force measuring assembly comprises a vertical force measuring assembly for measuring seed germination force in a vertical direction and a horizontal force measuring assembly for measuring seed germination force in a 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 on the periphery of the seeds in pairs;
the vertical measuring module and the horizontal measuring module respectively comprise a probe assembly which is abutted against the surface of the seed and a weighing sensor connected with the probe assembly;
the breeding chamber is provided with a vacancy avoiding position used for avoiding the probe assembly so that the probe assembly is tightly propped against the surface of the seed.
The operating principle of the germination force measuring device is as follows:
firstly, putting a piece of soaked sponge at the bottom of a breeding chamber, and arranging a clearance hole in the center of the sponge for avoiding a probe assembly positioned below a seed; then, placing the selected seed on top of a probe assembly positioned below the seed; then, adjusting the positions of the horizontal measuring modules to ensure that a plurality of probe assemblies positioned on the periphery of the seeds are all tightly propped against the surfaces of the seeds; then, adjusting the position of the vertical measuring module above the seeds to ensure that the probe assembly above the seeds is tightly propped against the top surfaces of the seeds; next, covering the periphery of the seeds with soaked sponges; and finally, recording the information of each weighing sensor once at certain time intervals within a certain period of time to obtain the germination force data of the seeds in multiple directions, and storing the data into a computer. During the measurement, water droplets were periodically added to the sponge pad using a syringe to maintain sufficient moisture in the sponge pad.
According to a preferable scheme of the invention, the probe assembly comprises a probe abutting against the seed and a sliding sleeve structure for facilitating the 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 pushing column connected to one end of the sliding sleeve body; the middle sliding sleeve is sleeved on the middle part of the probe, the sliding sleeve body is connected with one end, away from the seeds, of the probe, and the pushing column is connected with the weighing sensor.
According to a preferred scheme of the invention, the bracket comprises a base plate and four feet arranged on the base plate, and the vertical force measuring component and the horizontal force measuring component are both arranged on the base plate; among the two vertical measuring modules, an upper measuring module is positioned above the seeds, a weighing sensor in the upper measuring module is an upper weighing sensor, a lower measuring module is positioned below the seeds, and a weighing sensor in the lower measuring module is a lower weighing sensor; and a weighing sensor in the horizontal measurement module is a horizontal weighing sensor.
In a preferred embodiment of the present invention, the lower measuring 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 of the two support studs extend upwards; the lower supporting plate is connected to the two supporting studs through nuts; the lower end of the lower supporting sleeve is connected with the lower supporting plate, and the upper end of the lower supporting sleeve is connected with the bottom of the breeding chamber; the middle sliding sleeve and the end sliding sleeve are both connected in the lower supporting sleeve in a sliding mode.
Preferably, the lower weighing sensor is located between the base plate and the lower supporting plate, and a clearance opening is formed in the lower supporting plate corresponding to the pushing column.
In a preferred embodiment of the present invention, the upper measuring module further includes an upper supporting plate, an upper top plate, and an upper supporting sleeve; the upper supporting plate and the upper top plate are connected to the supporting stud through nuts; the upper end of the upper supporting sleeve is connected to the bottom of the upper supporting plate; the middle sliding sleeve and the end sliding sleeve are both connected in the upper supporting sleeve in a sliding mode.
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 position, corresponding to the pushing column, of the upper supporting plate.
In a preferred embodiment of the present invention, the leveling module further comprises 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 connected in the horizontal supporting sleeve in a sliding mode.
In a preferred embodiment of the present invention, the leveling module is mounted on the base plate through an adjusting mechanism; the adjusting mechanism comprises a vertical adjusting module and a horizontal adjusting module, wherein the vertical adjusting module is used for adjusting the position of the horizontal measuring module in the vertical direction, and the horizontal adjusting module is used for adjusting the position of the horizontal measuring module in the horizontal direction; wherein 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 support 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 in the vertical direction, and the first vertical mounting plate is connected with the second vertical mounting plate through screws.
According to a preferable scheme of the invention, the horizontal adjusting module comprises a screw and nut mechanism and a sliding rail mechanism; the feed screw nut mechanism comprises a bidirectional feed screw arranged at the bottom of the substrate through a feed screw mounting plate and two feed screw nuts arranged on the bidirectional feed screw; the sliding rail mechanism comprises a sliding rod and a sliding block connected to the sliding rod in a sliding mode, and two ends of the sliding rod are connected to the screw rod mounting plate and located below the bidirectional screw rod; in two vertical adjusting modules corresponding to the two symmetrically arranged horizontal measuring modules, two second vertical mounting plates are respectively connected with two lead screw nuts and two sliding blocks; and a clearance groove is formed in the position, corresponding to the second vertical mounting plate, of the substrate.
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 embodiment of the present invention, there are four horizontal measurement modules, and the four horizontal measurement modules are symmetrically distributed around the seed in pairs.
Compared with the prior art, the invention has the following beneficial effects:
1. the seed germination force measuring device is provided with the vertical measuring component and the horizontal measuring component, 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 generated in each direction during germination can be measured, so that the germination force of the seed can be accurately measured.
2. According to the seed germination capacity 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 capacity, the probes positioned around the seeds do not limit the growth of the seeds, the seeds can be guaranteed to germinate in a normal environment, and the measured germination capacity is more accurate.
3. According to the seed germination capacity measuring device, one seed is measured independently, and compared with the existing mode that a plurality of seeds are placed in the pipe body to be measured, the single seed measurement cannot be influenced by other seeds during germination, so that the measured germination capacity is more accurate and reliable.
Drawings
Fig. 1 is a front view of a seed germination force measuring apparatus of the present invention.
Fig. 2 is a front sectional view of a seed germination force measuring apparatus of the present invention.
FIGS. 3-5 are perspective views of the seed germination force measuring apparatus of the present invention, in which FIG. 3 is a perspective view in one direction; FIG. 4 is a perspective view in another orientation; fig. 5 is a perspective view in a third direction.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention 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 seed germination force in a vertical direction and a horizontal force measuring assembly for measuring seed germination force in a 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 on the periphery of the seeds in pairs;
the vertical measuring module and the horizontal measuring module 17 both comprise a probe assembly tightly propped against the surface of the seed and a weighing sensor connected with the probe assembly;
the breeding chamber 1 is provided with a space avoiding position for avoiding the probe assembly so that the probe assembly is tightly propped against the surface of the seed.
Referring to fig. 1-5, the probe assembly includes a probe 2 abutting against a seed and a sliding sleeve structure for facilitating the movement of the probe 2, the sliding sleeve structure includes 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 pushing column connected to one end of the sliding sleeve body; the middle sliding sleeve 3 is sleeved on the middle part of the probe 2, the sliding sleeve body is connected with one end, away from the 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 abuts against the surface of the seed, when the seed germinates, the seed generates an acting force on the probe 2 to push the probe 2 to move towards the direction far away from the seed, the probe 2 drives the middle sliding sleeve 3 and the end sliding sleeve 4 to move, the pushing column symmetrical weight sensor of the end sliding sleeve 4 generates an acting force, and the weighing sensor measures the seed germination force in the direction; at the in-process that probe 2 removed, the sliding sleeve structure plays the effect of a support to probe 2, prevents that probe 2 from swaying the skew at the in-process that removes, transmits weighing sensor with the effort when the seed is sprouted on accurately to measure the seed and sprout the power more accurately.
Referring to fig. 1 to 5, the bracket includes a base plate 5 and four feet mounted on the base plate 5, and the vertical force measuring assembly and the horizontal force measuring assembly are both disposed on the base plate 5; among the two vertical measuring modules, the upper measuring module 6 is positioned above the seeds, the weighing sensor in the upper measuring module 6 is an upper weighing sensor 7, the lower measuring module 8 is positioned below the seeds, and the weighing sensor in the lower measuring module 8 is a lower weighing sensor 9; the load cell in the level measurement module 17 is a 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 supporting sleeve 13 is connected with the lower supporting plate 11, and the upper end of the lower supporting sleeve is connected with the bottom of the breeding chamber 1; the middle sliding sleeve 3 and the end sliding sleeve 4 are both connected in the lower supporting sleeve 13 in a sliding manner. When the seed is sprouted, form a decurrent effort to probe 2, down promote probe 2, probe 2 drives middle sliding sleeve 3 and tip sliding sleeve 4 and slides downwards in under bracing sleeve 13, produces an effort to lower part weighing sensor 9 through tip sliding sleeve 4, and lower part weighing sensor 9 records the seed of this direction and sprouts the size of power.
Referring to fig. 1 to 5, the lower weighing sensor 9 is located between the base plate 5 and the lower support plate 11, and a clearance opening is formed in the lower support plate 11 at a position corresponding to the pushing column. When the seed sprouts and promotes probe 2 down, probe 2 promotes tip sliding sleeve 4 down for the top pushing column of tip sliding sleeve 4 passes the clearance opening effect on bottom suspension fagging 11 and acts on lower weighing sensor 9, thereby measures the germination power of downward effect when the seed sprouts.
Referring to fig. 1-5, the upper measuring module 6 further includes 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 both connected to the supporting stud 12 through nuts; the upper end of the upper supporting sleeve 16 is connected to the bottom of the upper supporting plate 14; the middle sliding sleeve 3 and the end sliding sleeve 4 are both connected in the upper supporting sleeve 16 in a sliding manner. When the seed germinates, form an ascending effort to probe 2, up promote probe 2, probe 2 drives middle sliding sleeve 3 and tip sliding sleeve 4 and upwards slides in last supporting sleeve 16, produces an effort to upper portion weighing sensor 7 through tip sliding sleeve 4, and upper portion weighing sensor 7 records the size of the seed germination power of this direction.
Referring to fig. 1-5, the upper weighing sensor 7 is located between an upper supporting plate 14 and an upper top plate 15, and a clearance opening is provided on the upper supporting plate 14 at a position corresponding to the pushing column. When the seed germinates and promotes probe 2 up, probe 2 promotes tip sliding sleeve 4 up for the top pushing column of tip sliding sleeve 4 passes the clearance opening effect on backup pad 14 and acts on upper portion weighing sensor 7, thereby measures the germination power of upwards effect when the seed germinates.
Referring to fig. 1 to 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 component 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 the horizontal supporting sleeve 20 and the top block 19; the middle sliding sleeve 3 and the end sliding sleeve 4 are both connected in the horizontal supporting sleeve 20 in a sliding manner. When the seed is sprouted, form the outside effort of a level to probe 2, toward promoting probe 2 outward, probe 2 drives middle sliding sleeve 3 and tip sliding sleeve 4 and outwards slides in horizontal support sleeve 20, produces an effort to horizontal weighing sensor 10 through tip sliding sleeve 4, and horizontal weighing sensor 10 records the seed of this direction and sprouts the size of power.
Referring to fig. 1 to 5, the leveling module 17 is mounted on the base plate 5 through 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 in the vertical direction, and the first vertical mounting plate 22 is connected with the second vertical mounting plate 23 through a screw. The vertical adjusting module is arranged, and a screw passes 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, so that the second vertical mounting plate 23 can be locked on the first vertical mounting plate 22; when the position of the horizontal measurement 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 measurement module 17 is connected with the first vertical mounting plate 22, and the position of the horizontal measurement module 17 in the vertical direction can be adjusted by adjusting the position of the first vertical mounting plate 22 in the vertical direction; 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 screw is locked, so that the positions of the first vertical mounting plate 22 and the second vertical mounting plate 23 can be fixed mutually.
Referring to fig. 1-5, the horizontal adjustment module includes a lead screw and nut mechanism and a slide rail mechanism; the feed screw nut mechanism comprises a bidirectional feed screw 25 arranged at the bottom of the base plate 5 through a feed screw mounting plate 24 and two feed screw nuts 26 arranged on the bidirectional feed screw 25; the slide rail mechanism comprises a slide rod 27 and a slide block 28 connected to the slide rod 27 in a sliding manner, and two ends of the slide rod 27 are connected to the screw rod mounting plate 24 and are positioned below the bidirectional screw rod 25; in the two vertical adjusting modules corresponding to the two symmetrically arranged horizontal measuring modules 17, the two second vertical mounting plates 23 are respectively connected with the two lead screw nuts 26 and the two sliding blocks 28; and a clearance groove is formed in the position, corresponding to the second vertical mounting plate 23, of the substrate 5. The horizontal adjusting module is arranged, when the bidirectional screw rod 25 is twisted, the two screw rod nuts 26 move on the bidirectional screw rod 25 in opposite directions or in opposite directions, so that the two second vertical mounting plates 23 connected with the screw rod nuts 26 move in opposite directions or in opposite directions along with the screw rod nuts 26, namely the vertical adjusting module moves along with the screw rod nuts 26, and the horizontal measuring module 17 arranged on the vertical adjusting module moves along with the screw rod nuts 26; in addition, owing to set up two-way lead screw 25, when wrench movement two-way lead screw 25, two level survey module 17 about the central symmetry of seed can be simultaneously towards the seed or keep away from the direction motion of seed to can adjust the distance of the relative seed of two probes 2 simultaneously, not only adjust efficiently, can guarantee simultaneously moreover that two probes 2 support tightly all the time symmetrically on the surface of seed, monitor the seed at the change condition of sprouting the power constantly.
Referring to fig. 1 to 5, the sliding block 28 is provided with a threaded hole leading to the sliding rod 27, and the threaded hole is arranged along the radial direction of the sliding rod 27. Set up above-mentioned screw hole, and install the jackscrew in the screw hole, at the in-process of wrench movement two-way lead screw 25, screw-nut 26 drives the vertical mounting panel 23 of second and removes, and the vertical mounting panel 23 of second is connected with sliding block 28 again simultaneously, consequently sliding block 28 can slide on slide bar 27, after second vertical mounting panel 23 moved to the right place, through locking the jackscrew, make the top of jackscrew support tightly on slide bar 27, fix sliding block 28 on slide bar 27, can fix the vertical mounting panel 23 of second, can get off the position fixation of level measurement module 17 on the horizontal direction.
Referring to fig. 1-5, there are four leveling modules 17, and four leveling modules 17 are symmetrically distributed around the seed in pairs. Thus, the four horizontal measuring modules 17 are respectively arranged in the front, the back, the left and the right of the seed to respectively measure the germination force in four directions.
Referring to fig. 1-5, the operating principle of the above-mentioned germination force measuring apparatus is as follows:
firstly, placing a piece of soaked sponge at the bottom of a breeding chamber 1, and arranging a clearance hole in the center of the sponge for avoiding a probe assembly positioned below a seed; then, placing the selected seed on top of a probe assembly located below the seed; then, adjusting the positions of the plurality of horizontal measuring modules 17 to ensure that a plurality of probe assemblies positioned on the periphery of the seeds are all abutted against the surfaces of the seeds; then, adjusting the position of the vertical measuring module above the seeds to ensure that the probe assembly above the seeds is tightly propped against the top surfaces of the seeds; next, covering the periphery of the seeds with soaked sponges; and finally, recording the information of each weighing sensor once at certain time intervals within a certain period of time to obtain the germination force data of the seeds in multiple directions, and storing the data into a computer. During the measurement, water droplets were periodically added to the sponge pad using a syringe to maintain sufficient moisture in the sponge pad.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (10)
1. The device for measuring the germination force of the seeds is characterized by comprising a bracket, a breeding chamber for cultivating the 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 on the periphery of the seeds in pairs;
the vertical measuring module and the horizontal measuring module respectively comprise a probe assembly tightly propped against the surface of the seed and a weighing sensor connected with the probe assembly;
the breeding chamber is provided with a vacancy avoiding position used for avoiding the probe assembly so that the probe assembly is tightly propped against the surface of the seed.
2. The seed germination force measuring device of claim 1, wherein the probe assembly comprises a probe abutting against a seed and a sliding sleeve structure for facilitating movement of the probe, 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 pushing column connected to one end of the sliding sleeve body; the middle sliding sleeve is arranged in the middle of the probe in a sleeved mode, the sliding sleeve body is connected with one end, away from the seeds, of the probe, and the pushing column is connected with the weighing sensor.
3. The seed germination force measuring device of claim 2, wherein the bracket comprises a base plate and four feet mounted on the base plate, and the vertical force measuring assembly and the horizontal force measuring assembly are both arranged on the base plate; among the two vertical measuring modules, an upper measuring module is positioned above the seeds, a weighing sensor in the upper measuring module is an upper weighing sensor, a lower measuring module is positioned below the seeds, and a weighing sensor in the lower measuring module is a lower weighing sensor; and a weighing sensor in the horizontal measurement module is a horizontal weighing sensor.
4. The seed germination capacity measuring device according to claim 3, wherein the lower measuring module further comprises a lower support plate, two support studs and a lower support sleeve for supporting a breeding chamber; the lower ends of the two support studs are fixed on the substrate, and the other ends of the two support studs extend upwards; the lower support plate is connected to the two support studs through nuts; the lower end of the lower supporting sleeve is connected with the lower supporting plate, and the upper end of the lower supporting sleeve is connected with the bottom of the breeding chamber; the middle sliding sleeve and the end sliding sleeve are both connected in the lower supporting sleeve in a sliding mode.
5. The seed germination force measuring device according to claim 4, wherein the lower weighing sensor is located between the base plate and the lower support plate, and a clearance opening is provided in the lower support plate corresponding to the pushing post.
6. The seed germination force measuring device of claim 3, wherein the upper measuring 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 studs through nuts; the upper end of the upper supporting sleeve is connected to the bottom of the upper supporting plate; the middle sliding sleeve and the end sliding sleeve are both connected in the upper supporting sleeve in a sliding mode.
7. The seed germination force measuring device of claim 6, wherein the upper weighing sensor is located between an upper supporting plate and an upper top plate, and a clearance opening is arranged on the upper supporting plate corresponding to the pushing column.
8. The seed germination force measuring device of claim 3, wherein the level measuring module further comprises a level supporting plate, a top block, a level supporting sleeve and a clamping component for clamping the level 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 connected in the horizontal supporting sleeve in a sliding mode.
9. The seed germination capacity measuring device of claim 8, wherein the leveling module is mounted on the base plate via an adjusting mechanism; the adjusting mechanism comprises a vertical adjusting module and a horizontal adjusting module, wherein the vertical adjusting module is used for adjusting the position of the horizontal measuring module in the vertical direction, and the horizontal adjusting module is used for adjusting the position of the horizontal measuring module in the horizontal direction; wherein 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 support 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 in the vertical direction, and the first vertical mounting plate is connected with the second vertical mounting plate through screws.
10. The seed germination force measuring device of claim 9, wherein the horizontal adjusting module comprises a lead screw and nut mechanism and a slide rail mechanism; the feed screw nut mechanism comprises a bidirectional feed screw arranged at the bottom of the substrate through a feed screw mounting plate and two feed screw nuts arranged on the bidirectional feed screw; the sliding rail mechanism comprises a sliding rod and a sliding block connected to the sliding rod in a sliding mode, and two ends of the sliding rod are connected to the screw rod mounting plate and located below the bidirectional screw rod; in two vertical adjusting modules corresponding to the two symmetrically arranged horizontal measuring modules, two second vertical mounting plates are respectively connected with two lead screw nuts and two sliding blocks; and a clearance groove is formed in the position, corresponding to the second vertical mounting plate, of the substrate.
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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210443557.7A CN114916281B (en) | 2022-04-25 | 2022-04-25 | Seed germination force measuring device |
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| CN114916281A true CN114916281A (en) | 2022-08-19 |
| CN114916281B CN114916281B (en) | 2023-06-23 |
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| CN202210443557.7A Active CN114916281B (en) | 2022-04-25 | 2022-04-25 | Seed germination force measuring device |
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| GB1452280A (en) * | 1973-03-02 | 1976-10-13 | British United Shoe Machinery | Measuring machines |
| CN202841871U (en) * | 2012-11-14 | 2013-04-03 | 陈一文 | Seed germination power measuring device |
| CN104798491A (en) * | 2014-12-15 | 2015-07-29 | 青岛农业大学 | Corn seed germination soil-jacking force measuring method |
| US20200154628A1 (en) * | 2006-03-02 | 2020-05-21 | Monsanto Technology Llc | Automated High-Throughput Seed Sampler And Methods Of Sampling, Testing And Bulking Seeds |
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2022
- 2022-04-25 CN CN202210443557.7A patent/CN114916281B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1452280A (en) * | 1973-03-02 | 1976-10-13 | British United Shoe Machinery | Measuring machines |
| US20200154628A1 (en) * | 2006-03-02 | 2020-05-21 | 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 |
| CN104798491A (en) * | 2014-12-15 | 2015-07-29 | 青岛农业大学 | Corn seed germination soil-jacking force measuring method |
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