CN107836165B - Missing seeding detection seeder based on fluorescence principle and detection method thereof - Google Patents
Missing seeding detection seeder based on fluorescence principle and detection method thereof Download PDFInfo
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- CN107836165B CN107836165B CN201711319563.7A CN201711319563A CN107836165B CN 107836165 B CN107836165 B CN 107836165B CN 201711319563 A CN201711319563 A CN 201711319563A CN 107836165 B CN107836165 B CN 107836165B
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- 238000010899 nucleation Methods 0.000 title claims abstract description 68
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 108010016634 Seed Storage Proteins Proteins 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims description 47
- 239000000853 adhesive Substances 0.000 claims description 27
- 230000001070 adhesive effect Effects 0.000 claims description 27
- 238000007599 discharging Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000009331 sowing Methods 0.000 claims description 11
- 238000005286 illumination Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 240000001931 Ludwigia octovalvis Species 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
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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
- A01C1/06—Coating or dressing seed
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/04—Single-grain seeders with or without suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Sowing (AREA)
Abstract
The invention provides a seeding missing detection seeder based on a fluorescence principle, which comprises a seeder shell, and a stirring device, a seed metering device, a seeding missing detection device and a data acquisition device which are arranged in the seeder shell, wherein the stirring device comprises a seed storage box, an engine and a stirrer connected to the engine; the seed metering device is arranged below the seed outlet and comprises a seed metering box, a seed metering device and a motor, and the bottom of the seed metering box is also provided with the seed outlet; the seed metering device comprises a seed metering wheel and a brush, and a plurality of seed metering holes are arranged on the side wall of the seed metering wheel; the seed metering wheel is also connected with a motor; the miss-seeding detection device comprises a seed guide groove, a seed guide pipe and a photoresistor, wherein the seed guide pipe is also connected with the photoresistor; the photoresistor is connected with the data acquisition device; the invention also provides a detection method of the miss-seeding detection seeder based on the fluorescence principle. The missing seeding detection and the on-line seeding quantity statistics of the seeder under the complex environment are realized, and the response of the missing seeding detection device and the data acquisition device of the photoelectric sensing is more sensitive and more accurate.
Description
Technical Field
The invention belongs to the field of agricultural machinery, and relates to a missed seeding detection seeder based on a fluorescence principle and a detection method thereof.
Background
Precision seeding is one of the important ways of increasing yield in modern agriculture, and accurately detecting the performance of a seed metering device is an important link for realizing precision seeding. At present, most of domestic precision seeders are mechanical seeders, and the seeding operation speed is high, the seeding width is full-closed, the seeding process is free from seeding phenomena of different degrees, and once the seeding is free from seeding, and the seeding is free from ridge breaking, especially hole seeding. The existence of the problems causes the operation efficiency to be greatly reduced, which is not beneficial to the popularization of the market.
Disclosure of Invention
In order to solve the problems, the invention provides a missed seeding detection seeder and a detection method thereof based on a fluorescence principle, wherein the missed seeding detection seeder is based on a fluorescence luminescence principle, and the missed seeding detection and the on-line statistics of the seeding amount of the seeder in a complex environment are realized through the mutual coordination of a stirring device, a seed metering device, a missed seeding detection device and a data acquisition device, and the response of a photoelectric sensing missed seeding detection device and the data acquisition device is more sensitive and more accurate.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a leak and broadcast detection seeder based on fluorescence principle which characterized in that: the seeding machine comprises a seeding machine shell, and a stirring device, a seeding device, a missing seeding detection device and a data acquisition device which are arranged in the seeding machine shell, wherein the bottom surface of the seeding machine shell is provided with a groove, and a seed adding port is also preset on the seeding machine shell; the stirring device comprises a seed storage box, an engine and a stirrer connected to the engine, wherein the seed storage box is arranged at the seed adding port, the stirrer is arranged in the seed storage box, and the bottom of the seed storage box is also provided with a seed outlet; the seed metering device is arranged below the seed outlet, and comprises a seed metering box, a seed metering device and a motor, wherein the seed metering box is arranged below the seed outlet, and the bottom of the seed metering box is also provided with a seed outlet; the seed metering device comprises a seed metering wheel and a brush, wherein the seed metering wheel is a cylindrical roller, the end surface of the seed metering wheel is arranged in the vertical direction, the side wall of the seed metering wheel is arranged inside a seed metering box through a seed metering opening, the side wall of the seed metering wheel is provided with a seed metering hole, the brush is arranged in the seed metering box, the brush head of the brush is contacted with the side wall of the seed metering wheel, and the brush handle of the brush is fixedly connected with the seed metering box; the seed metering wheel is also connected with a motor; the seed leakage detection device comprises a seed guide groove, a seed guide pipe and a photoresistor, wherein the seed guide groove is arranged below the seed sowing device, the lower end surface of the seed guide groove is connected with one end of the seed guide pipe, the other end of the seed guide pipe extends to the ditching groove, and the seed guide pipe is also connected with the photoresistor; the photoresistor is cylindrical and is communicated with the seed guide tube; the photoresistor is connected with the data acquisition device.
Further, the number of the brushes is two, the two brushes are symmetrically arranged at two ends of the seed discharging opening, and brush heads of the two brushes are contacted with the side wall of the seed discharging wheel.
Further, the number of the seed metering holes is multiple, and the plurality of the seed metering holes are uniformly distributed along the circumference of the side wall of the seed metering wheel.
Further, the seed metering device further comprises a reduction gearbox and a transmission shaft, the motor is connected with the reduction gearbox, the reduction gearbox is connected with the seed metering wheel through the transmission shaft, and the transmission shaft is connected with the seed metering wheel along the central axis direction of the seed metering wheel.
Further, the data acquisition device comprises a power supply, a data acquisition device, a receiver, a transmitter, a computer and a buzzer alarm, wherein the power supply is connected with the data acquisition device, the input end of the data acquisition device is connected with a photoresistor, the output end of the data acquisition device is also connected with the computer, the output end of the computer is connected with the receiver, and the transmitter is connected with the buzzer alarm.
Further, the seed storage box is connected with a seed discharging guide pipe, one end of the seed discharging guide pipe is connected to the seed discharging opening, and the other end of the seed discharging guide pipe is arranged above the seed discharging box.
Further, one or more bent pipe sections are arranged on the seed guide pipe.
The invention also provides a detection method of the miss-seeding detection seeder based on the fluorescence principle, which is characterized in that: the method comprises the following specific steps:
firstly, premixing sowing seeds and fluorescent powder under illumination to obtain fluorescent powder adhesive seeds, starting an engine and a motor, enabling the engine to drive a stirrer to rotate, enabling the motor to drive a seed sowing wheel to rotate, and adding the fluorescent powder adhesive seeds into a seed storage box under the condition that the stirrer rotates;
step two, the fluorescent powder adhesive seeds are further mixed in a seed storage box under the stirring condition and slide into the seed discharge box through a seed outlet under the action of gravity, the mixed fluorescent powder adhesive seeds are filled into seed discharge holes on seed discharge wheels, the seed discharge wheels rotate under the drive of motors, the seed discharge holes sequentially pass through the lowest part of the level of the seed discharge wheels, when the seed discharge holes containing the fluorescent powder adhesive seeds rotate to the lowest part, the fluorescent powder adhesive seeds in the seed discharge holes slide into a seed guide groove under the action of gravity, the fluorescent powder adhesive seeds are discharged, and the time interval for discharging the fluorescent powder adhesive seeds in adjacent seed discharge holes is t1;
step three, the fluorescent powder adhesive seeds in the seed guide groove slide down to the seed guide pipe under the action of gravity, the interior of the seed guide pipe is in a dark condition, the fluorescent powder adhesive seeds emit fluorescence in the seed guide pipe in the dark condition, when the fluorescent powder adhesive seeds pass through the photoresistor, the photoresistor is irradiated by the fluorescence of the seeds to reduce the resistance value, the suddenly changed resistance value is fed back to a computer through a data collector, and the once reduction of the resistance value is the once falling of the fluorescent powder adhesive seeds;
judging whether the fluorescent powder adhered seeds fall down or not once every t2 time, if the fluorescent powder adhered seeds do not fall down, receiving and sending a signal by a receiver on a computer, and starting a buzzer alarm by a transmitter connected with the buzzer alarm;
and fifthly, calculating the received sudden change of the resistance value by a computer through an incremental algorithm, wherein the incremental amount is 1, and realizing statistics of the seed sowing amount.
Further, the time interval t1 for discharging the fluorescent powder sticking-shaped seeds in the adjacent seed metering holes is equal to the time interval t2 for detecting the falling of the fluorescent powder sticking-shaped seeds.
The beneficial effects of the invention are as follows:
1. according to the invention, the sowing seeds and the fluorescent powder are premixed under illumination, so that the fluorescent powder is adhered to the surfaces of the seeds, the seeds continuously emit light under the action of the fluorescent powder, and the mixing method is simple and easy to operate;
2. the light-sensitive resistor in the miss-seeding detection device can detect the seeding of seeds, when the luminous seeds pass through, the resistance of the light-sensitive resistor can be reduced under the irradiation of fluorescence, and the changed resistance transmits signals to a computer through the data acquisition device and the signal transmitter, so that the computer can monitor the seeding condition in real time, the miss-seeding rate is greatly reduced, and the precise seeding of the device is facilitated;
3. one or more bent pipe sections are arranged on the seed guide pipe, the speed of falling seeds into the soil and the damage rate of the seeds are reduced by the curved tubular seed guide pipe, and the seeds can fall into a soil ditch formed by ditching more accurately;
4. the seed metering device of the seed metering device is fixed through a motor shaft and is arranged below a seed metering port at the bottom of the seed metering box, and compared with a common closed seed metering device, the seed metering device is in non-closed fit relative to the seed metering box, so that when a seed blocking phenomenon occurs, the seed metering device can be processed in time, repair time is saved, and the seeding productivity is greatly improved;
5. the brush on the seed wheel in the seed metering device avoids the damage of seeds caused by hard contact between the seed wheel and the seed box, improves the survival rate of the seeds after sowing, and has the advantages of low cost, long service life and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of a stirrer;
FIG. 4 is a top view of the seed metering device;
FIG. 5 is an isometric view of a seed metering device;
fig. 6 is a schematic diagram of the operation of the miss-seeding detection device and the data acquisition device;
FIG. 7 is a graph showing the variation of the resistance of the photoresistor of the present invention.
Wherein, each reference sign in the figure is: 1. an engine; 2. a seed storage box; 3. a seed metering box; 4. a seed metering wheel; 5. a seed guiding groove; 6. a power supply; 7. forming a groove; 8. a motor; 9. a reduction gearbox; 10. a transmitter; 11. a receiver; 12. a photoresistor; 13. a stirrer; 14. a brush; 15. a data collector; 16. a computer; 17. a buzzer alarm; 18. and a seed metering hole.
Detailed Description
In order that those skilled in the art will better understand the technical solutions provided by the present invention, the following is set forth in connection with specific examples.
The present invention will be fully understood from the following description of the embodiments, which will be apparent to those skilled in the art, but the embodiments of the present invention are not limited to the following embodiments.
The seeding missing detection seeder based on the fluorescence principle comprises a seeder shell, and a stirring device, a seed metering device, a seeding missing detection device and a data acquisition device which are arranged in the seeder shell, wherein the bottom surface of the seeder shell is provided with a groove 7, and a seed adding port is also preset on the seeder shell;
the stirring device comprises a seed storage box 2, an engine 1 and a stirrer 13 connected to the engine 1, wherein the seed storage box 2 is arranged at the seed adding port, the stirrer 13 is arranged in the seed storage box 2, a seed discharging port is further formed in the bottom of the seed storage box 2, the seed storage box 2 is also connected with a seed discharging guide pipe, one end of the seed discharging guide pipe is connected to the seed discharging port, and the other end of the seed discharging guide pipe is arranged above the seed discharging box 3;
the seed metering device is arranged below the seed outlet, the seed metering device comprises a seed metering box 3, a seed metering device and a motor 8, the seed metering box 3 is arranged below the seed outlet, and the bottom of the seed metering box 3 is also provided with a seed outlet; the seed metering ware includes seed metering wheel 4 and brush 14, seed metering wheel 4 is cylindrical gyro wheel, and the terminal surface of seed metering wheel 4 is vertical direction setting, and the lateral wall of seed metering wheel 4 passes through the seed metering mouth and sets up in the inside of seed metering case 3, a plurality of seed metering holes 18 are laid to the lateral wall of seed metering wheel 4, and seed metering hole 18 sets up to a plurality of, and a plurality of seed metering holes 18 are along the circumference equipartition of seed metering wheel 4 lateral wall. The two brushes 14 are symmetrically arranged at two ends of the seed discharging opening, and the brush heads of the two brushes 14 are contacted with the side wall of the seed discharging wheel 4; the seed metering wheel 4 is also connected with a motor 8; the seed metering device still includes reducing gear box 9 and transmission shaft, and reducing gear box 9 is connected to motor 8, and reducing gear box 9 passes through transmission shaft and connects seed metering wheel 4, and the transmission shaft is connected in seed metering wheel 4 along seed metering wheel 4 central axis direction. The seed metering device of seed metering device passes through the motor shaft to set up in the below of the seed metering mouth of seed metering case 3 bottom, the seed metering device compares with general closed type seed metering device, and the seed metering device is non-closed type cooperation for seed metering case 3, when the phenomenon is blocked to the seed, can in time handle, practices thrift repair time, improves the productivity of seeding greatly. Meanwhile, the brush 14 on the seed metering wheel 4 in the seed metering device avoids damage to seeds caused by hard contact between the seed metering wheel 4 and the seed metering box 3, improves the survival rate of the seeds after sowing, and has the advantages of low manufacturing cost, long service life and the like.
The miss-seeding detection device comprises a seed guide groove 5, a seed guide pipe and a photoresistor 12, wherein the seed guide groove 5 is arranged below the seed metering device, the lower end face of the seed guide groove 5 is connected with one end of the seed guide pipe, the other end of the seed guide pipe extends to the position of the ditching groove 7, the seed guide pipe is also connected with the photoresistor, one or more bent pipe sections are arranged on the seed guide pipe, and form a curve-shaped seed guide pipe, so that the speed of dropping seeds into the soil and the damage rate of the seeds are reduced, and the seeds can fall into the soil ditches opened by the ditching groove 7 more accurately; the photoresistor 12 is cylindrical, and the photoresistor 12 is communicated with the seed guide tube; the photoresistor 12 is connected with a data acquisition device. The missing seeding detection device can detect the seeding of seeds, the photoresistor 12 in the missing seeding detection device is sensitive to illumination, when the luminous seeds pass through, the resistance of the photoresistor 12 can be reduced under the fluorescent illumination, and the changed resistance transmits signals to the computer 16 through the data collector 15 and the signal transmitter 10, so that the computer 16 can monitor the seeding condition in real time, the missing seeding rate is greatly reduced, and the precise seeding of the device is facilitated.
The data acquisition device comprises a power supply 6, a data acquisition device 15, a receiver 11, a transmitter 10, a computer 16 and a buzzer alarm 17, wherein the power supply 6 is connected with the data acquisition device 15, the input end of the data acquisition device 15 is connected with a photoresistor 12, the output end of the data acquisition device 15 is also connected with the computer 16, the output end of the computer 16 is connected with the receiver 11, and the transmitter 10 is connected with the buzzer alarm 17.
In the using process of the missed seeding detection seeder based on the fluorescence principle, the seeding seeds and the fluorescent powder are premixed under the illumination, so that the fluorescent powder is adhered on the surfaces of the seeds to obtain fluorescent powder adhered seeds, the fluorescent powder adopts non-toxic light accumulating fluorescent powder such as zinc sulfide noctilucent powder, rare earth ultralong afterglow noctilucent powder or calcium sulfide noctilucent powder, and the seeds continuously emit light under the action of the fluorescent powder, so that the mixing method is simple and easy to operate; the engine 1 and the motor 8 are started, the engine 1 drives the stirrer 13 to rotate, the motor 8 drives the seed metering wheel 4 to rotate, the engine 1 is connected with the stirrer 13 to further stir the fluorescent powder adhesive seeds uniformly, and the seeds fall into the seed metering box 3 from the seed storage box 2 along the seed metering guide pipe. The motor 8 is connected with the reduction gearbox 9 through a transmission shaft, the reduction gearbox 9 is connected with the seed metering wheel 4 through the transmission shaft to enable the reduction gearbox to rotate, the seed metering wheel 4 is matched with the seed metering box 3 below the middle part of the seed metering box 3, and the hairbrushes 14 are fixed on two sides of the interior of the seed storage box 3 and are contacted with the seed metering wheel 4. The seed wheel 4 has twelve seed holes 18, the seed wheel 4 cooperates with the brush 14 to ensure that only one seed at a time falls into the seed holes 18, and the seed wheel 4 rotates to cause the seeds to fall into the seed guide slot 5 below. The seeds fall along the curved seed guide groove pipe, no light source exists in the seed guide pipe, scattered natural light is difficult to scatter to a pipeline with a longer length, the seed guide pipe is in a dark state, the fluorescent seeds pass through the photoresistor 12 in the middle of the pipeline, and when the photoresistor 12 receives the irradiation of the luminous seeds, the resistance is small; in the absence of illumination, the resistance is very high. The stronger the illumination, the smaller the resistance; the illumination is stopped and the resistor is restored to the original value. The photoresistor 12 is also connected with the computer 16 through a singlechip, the singlechip comprises a data collector 15 and a signal transmitter, the signal transmitter is a wireless signal transmitter, the data collector 15 is connected with the photoresistor 12 and the power supply 6, the resistance change of the photoresistor 12 collected by the data collector 15 transmits data back to the computer 16 in the cab through the wireless signal of the signal transmitter, the data is recorded, and then seeds fall into the ground along the seed guiding pipe.
Fig. 7 is a graph showing the resistance change of the photoresistor according to the present invention, if seeds uniformly pass through the photoresistor 12, the resistance of the photoresistor will decrease due to the irradiation of the photoresistor with fluorescence from the seeds, so that the data transmitted from the data collector 15 to the computer 16 in the cab through the signal transmitter will show a regular line graph. When the seeds are blocked, the photoresistor 12 does not receive fluorescence, the resistance value of the photoresistor is unchanged, a line drawing displayed by data received by the computer 16 does not change, at the moment, the receiver 11 connected to the computer 16 receives signals and transmits the signals to the emitter 10, the emitter 10 sends out signals to control the buzzer alarm 17 to alarm, and the planter is reminded of timely processing faults, so that miss seeding is prevented, and the precision and the production efficiency of seeding are greatly improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a leak and broadcast detection seeder based on fluorescence principle which characterized in that: the seeding machine comprises a seeding machine shell, and a stirring device, a seeding device, a missing seeding detection device and a data acquisition device which are arranged in the seeding machine shell, wherein the bottom surface of the seeding machine shell is provided with a groove, and a seed adding port is also preset on the seeding machine shell;
the stirring device comprises a seed storage box, an engine and a stirrer connected to the engine, wherein the seed storage box is arranged at the seed adding port, the stirrer is arranged in the seed storage box, and the bottom of the seed storage box is also provided with a seed outlet;
the seed metering device is arranged below the seed outlet, and comprises a seed metering box, a seed metering device and a motor, wherein the seed metering box is arranged below the seed outlet, and the bottom of the seed metering box is also provided with a seed outlet; the seed metering device comprises a seed metering wheel and a brush, wherein the seed metering wheel is a cylindrical roller, the end surface of the seed metering wheel is arranged in the vertical direction, the side wall of the seed metering wheel is arranged inside a seed metering box through a seed metering opening, the side wall of the seed metering wheel is provided with a seed metering hole, the brush is arranged in the seed metering box, the brush head of the brush is contacted with the side wall of the seed metering wheel, and the brush handle of the brush is fixedly connected with the seed metering box; the seed metering wheel is also connected with a motor;
the seed leakage detection device comprises a seed guide groove, a seed guide pipe and a photoresistor, wherein the seed guide groove is arranged below the seed sowing device, the lower end surface of the seed guide groove is connected with one end of the seed guide pipe, the other end of the seed guide pipe extends to the ditching groove, and the seed guide pipe is also connected with the photoresistor; the photoresistor is cylindrical and is communicated with the seed guide tube; the photoresistor is connected with the data acquisition device;
the two brushes are symmetrically arranged at two ends of the seed discharging port, and brush heads of the two brushes are contacted with the side wall of the seed discharging wheel; the seed metering hole sets up a plurality ofly, and a plurality of seed metering holes are along the circumference equipartition of seed metering wheel lateral wall.
2. The miss-seeding detection planter based on the fluorescence principle of claim 1, wherein: the seed metering device still includes reducing gear box and transmission shaft, the reducing gear box is connected to the motor, the reducing gear box passes through the transmission shaft and connects the seed metering wheel, and the transmission shaft is connected in the seed metering wheel along seed metering wheel central axis direction.
3. The miss-seeding detection planter based on the fluorescence principle of claim 1, wherein: the data acquisition device comprises a power supply, a data acquisition device, a receiver, a transmitter, a computer and a buzzer alarm, wherein the power supply is connected with the data acquisition device, the input end of the data acquisition device is connected with a photoresistor, the output end of the data acquisition device is also connected with the computer, the output end of the computer is connected with the receiver, and the transmitter is connected with the buzzer alarm.
4. The miss-seeding detection planter based on the fluorescence principle of claim 1, wherein: the seed storage box is connected with a seed discharging guide pipe, one end of the seed discharging guide pipe is connected to the seed discharging opening, and the other end of the seed discharging guide pipe is arranged above the seed discharge box.
5. The miss-seeding detection planter based on the fluorescence principle of claim 1, wherein: one or more bent pipe sections are arranged on the seed guide pipe.
6. The detection method of the miss-seeding detection seeder based on the fluorescence principle as claimed in claim 1, wherein the detection method comprises the following steps: the method comprises the following specific steps:
firstly, premixing sowing seeds and fluorescent powder under illumination to obtain fluorescent powder adhesive seeds, starting an engine and a motor, enabling the engine to drive a stirrer to rotate, enabling the motor to drive a seed sowing wheel to rotate, and adding the fluorescent powder adhesive seeds into a seed storage box under the condition that the stirrer rotates;
step two, the fluorescent powder adhesive seeds are further mixed in a seed storage box under the stirring condition and slide into the seed discharge box through a seed outlet under the action of gravity, the mixed fluorescent powder adhesive seeds are filled into seed discharge holes on seed discharge wheels, the seed discharge wheels rotate under the drive of motors, the seed discharge holes sequentially pass through the lowest part of the level of the seed discharge wheels, when the seed discharge holes containing the fluorescent powder adhesive seeds rotate to the lowest part, the fluorescent powder adhesive seeds in the seed discharge holes slide into a seed guide groove under the action of gravity, the fluorescent powder adhesive seeds are discharged, and the time interval for discharging the fluorescent powder adhesive seeds in adjacent seed discharge holes is t1;
step three, the fluorescent powder adhesive seeds in the seed guide groove slide down to the seed guide pipe under the action of gravity, the interior of the seed guide pipe is in a dark condition, the fluorescent powder adhesive seeds emit fluorescence in the seed guide pipe in the dark condition, when the fluorescent powder adhesive seeds pass through the photoresistor, the photoresistor is irradiated by the fluorescence of the seeds to reduce the resistance value, the suddenly changed resistance value is fed back to a computer through a data collector, and the once reduction of the resistance value is the once falling of the fluorescent powder adhesive seeds;
judging whether the fluorescent powder adhered seeds fall down or not once every t2 time, if the fluorescent powder adhered seeds do not fall down, receiving and sending a signal by a receiver on a computer, and starting a buzzer alarm by a transmitter connected with the buzzer alarm;
and fifthly, calculating the received sudden change of the resistance value by a computer through an incremental algorithm, wherein the incremental amount is 1, and realizing statistics of the seed sowing amount.
7. The detection method of the miss-seeding detection seeder based on the fluorescence principle as claimed in claim 6, wherein the detection method comprises the following steps: the time interval t1 for discharging the fluorescent powder adhesive seeds in the adjacent seed metering holes is equal to the time interval t2 for detecting the falling of the fluorescent powder adhesive seeds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711319563.7A CN107836165B (en) | 2017-12-12 | 2017-12-12 | Missing seeding detection seeder based on fluorescence principle and detection method thereof |
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| CN201711319563.7A CN107836165B (en) | 2017-12-12 | 2017-12-12 | Missing seeding detection seeder based on fluorescence principle and detection method thereof |
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| CN107836165A CN107836165A (en) | 2018-03-27 |
| CN107836165B true CN107836165B (en) | 2024-01-26 |
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