CN107690901A - A kind of broadcast leakage detection sead feeder and its detection method - Google Patents
A kind of broadcast leakage detection sead feeder and its detection method Download PDFInfo
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- CN107690901A CN107690901A CN201711122354.3A CN201711122354A CN107690901A CN 107690901 A CN107690901 A CN 107690901A CN 201711122354 A CN201711122354 A CN 201711122354A CN 107690901 A CN107690901 A CN 107690901A
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- seed
- capacitor plate
- optical signal
- broadcast leakage
- leakage detection
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/18—Machines for depositing quantities of seed at intervals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
- G06M1/272—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using photoelectric means
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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
Abstract
The present invention provides a kind of broadcast leakage detection sead feeder, including sead feeder housing and the dispenser, broadcast leakage detection means, the data acquisition device that are arranged in sead feeder housing, dispenser includes plants case, grain conductor, feed mechanism for seed and motor, plants case is arranged at plus kind is intraoral, plants case is connected with downwards grain conductor, grain conductor connects feed mechanism for seed, and feed mechanism for seed is also connected with driving the motor of feed mechanism for seed rotation；Broadcast leakage detection means includes seed guiding groove, capacitor plate, optical signal device and link, and seed guiding groove includes seed guiding groove body and is connected to the discharging tube of seed guiding groove body lower surface, and capacitor plate is also connected with seed guiding groove body；Capacitor plate connects link respectively, and two links are symmetricly set in Lou kind of gap both sides, optical signal device is also connected with link；Optical signal device is connected with data acquisition device；The present invention also provides a kind of the broadcast leakage detection method and application rate statistical method of broadcast leakage detection sead feeder.The present invention realizes that the application rate detection for being adapted to complex environment detects with seed broadcast leakage.
Description
Technical field
The invention belongs to agricultural mechanical field, is related to a kind of broadcast leakage detection sead feeder and its detection method.
Background technology
Precise sowing is the important channel of modern agriculture volume increase, and the performance for accurately detecting feed mechanism for seed is to realize precise sowing
Important step.At present, the domestic precision drill overwhelming majority that uses is mechanical seeder, the sowing machine operation of the type
When because seeding operation speed is fast, sown scope is wide, seeding process is totally-enclosed, can all there is different degrees of broadcast leakage phenomenon, once hair
Raw broadcast leakage, necessarily causes the disconnected ridge that is short of seedling, especially bunch planting operation.The presence of problem above causes operating efficiency to substantially reduce, no
Beneficial to the popularization in market.
The content of the invention
To solve the above problems, the present invention provides a kind of broadcast leakage detection sead feeder and its detection method, pass through casing body sheet
Body and dispenser, broadcast leakage detection means, the data acquisition device being arranged in sead feeder housing, realize and be adapted to complex environment
Application rate detects to be detected with seed broadcast leakage.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of broadcast leakage detects sead feeder, it is characterised in that：Including sead feeder housing and the seeding being arranged in sead feeder housing dress
Put, broadcast leakage detection means, data acquisition device, the bottom surface of the sead feeder housing is provided with ditch channel bar, on the sead feeder housing
Also default plus kind of mouth；The dispenser includes plants case, grain conductor, feed mechanism for seed and motor, and the plants case is arranged at plus kind is intraoral,
The plants case is connected with downwards grain conductor, and the grain conductor connects feed mechanism for seed, and the lower surface of feed mechanism for seed is provided with sowing port, the row
Kind device is also connected with driving the motor of feed mechanism for seed rotation；The broadcast leakage detection means includes seed guiding groove, capacitor plate, optical signal device
And link, the seed guiding groove include seed guiding groove body and are connected to the discharging tube of seed guiding groove body lower surface, the discharging tube it is another
One end extends to sead feeder hull outside and is arranged at the side of ditch channel bar, and the seed guiding groove body is arranged at below sowing port, institute
State and be also connected with capacitor plate on seed guiding groove body；The capacitor plate includes the first capacitor plate and the second capacitance pole be arrangeding in parallel
Plate, first capacitor plate and the second capacitor plate are connected on the two side of seed guiding groove body, and two capacitor plates it
Between leave Lou kind of gap, further respectively have one or more groups of through holes, first capacitor plate and second on the capacitor plate
Through hole on capacitor plate is mutually symmetrical；First capacitor plate and the second capacitor plate connect the link respectively, and two
Link is symmetricly set in Lou kind of gap both sides, and optical signal device is also connected with the link；The optical signal device includes
Light source emitter and light source receiver, and light source emitter and light source receiver are symmetricly set in the both sides in Lou kind of gap；It is described
The signal output part of optical signal device is connected with data acquisition device.
Further, the feed mechanism for seed includes seed-distributing tube, seed scraping device and chassis, and the seed-distributing tube is the cylinder of top end opening
Type, the openend connection grain conductor of the seed-distributing tube, the bottom end face of seed-distributing tube is additionally provided with kinds of bank deposits hole, also set in the seed-distributing tube
There is seed scraping device；For the seed scraping device to be shaft-like, the central point of seed-distributing tube bottom end face is fixed in one end of seed scraping device, seed scraping device it is another
One end extends to the inwall of seed-distributing tube；The chassis is connected to the bottom end face of seed-distributing tube, and the chassis is provided with sowing port.
Further, kinds of bank deposits hole is arranged to multiple, and multiple kinds of bank deposits holes are distributed in the bottom end face of seed-distributing tube, the kinds of bank deposits hole
Distance to seed-distributing tube central axis is identical with the distance of the sowing port to seed-distributing tube central axis.
Further, the dispenser also includes power transmission shaft, reduction box and reduction gearing, and the motor passes through power transmission shaft
Reduction box is connected to, the reduction box connects reduction gearing, and the seeding drum outer wall lays gear, the gear and the deceleration
Gear is meshed.
Further, the data acquisition device includes data acquisition unit, voltage-stabilized power supply, sender unit and calculating
Machine, the voltage-stabilized power supply connect capacitor plate, optical signal device and data acquisition unit, the input of the data acquisition unit respectively
Connection capacitor plate and optical signal device, the output end of the data acquisition unit are also associated with the input of sender unit,
The sender unit output end connects computer, the output end connection warning device of the computer.
Further, the link includes connecting plate and installing plate, and the installing plate is connected to electric capacity by connecting plate
Pole plate, the installing plate leave installation gap, the light parallel to capacitor plate between the installing plate and the capacitor plate
Recoil simulator is arranged on installing plate.
The present invention also provides a kind of detection method of broadcast leakage detection sead feeder, it is characterised in that：The detection method includes
Broadcast leakage detection method and application rate statistical method.
Further, the step of broadcast leakage detection method is as follows：
Step 1: kinds of bank deposits hole is distributed in uniform in the end face of seed-distributing tube, the seed in kinds of bank deposits hole falls into broadcast leakage through sowing port successively
Detection means, the time interval of seed discharge is t1 in two adjacent kinds of bank deposits holes；
Step 2: the electric capacity of the first capacitor plate and the second capacitor plate under voltage-stabilized power supply output is constant, when seed falls into the
When between one capacitor plate and the second capacitor plate, seed causes the electric capacity between capacitor plate to change as dielectric,
The capacitor pulse of change feeds back to computer by data acquisition unit and sender unit, the pulse for seed once under
Fall；
Step 3: judging once whether there is seed to fall every the t1 times, if no seed is fallen, start warning device.
Further, the step of application rate statistical method is：
Step 1: seed is t2 by the time of optical signal device after sowing port discharge；
Step 2: optical signal device, under the output of voltage-stabilized power supply, optical signal is sent from light source emitter, passes through capacitor plate
On through hole and be transferred to light source receiver optical signal it is stable, when party's seed is fallen between optical signal device, light source emitter
The optical signal sent blocks under seed effect, and the time blocked is t2, and now light source receiver can not receive completely
Optical signal, the pulse that optical signal blocks feeds back to computer by data acquisition unit and sender unit, the pulse for kind
The once sowing of son；
Step 3: computer calculates the optical signal received by add algorithm blocks pulse, increment is 1, realizes that seed is broadcast
The statistics of kind amount.
Further, the time t1 that seed is discharged in the adjacent kinds of bank deposits hole is equal to seed and passes through light after sowing port discharge
The time t2 of recoil simulator.
Beneficial effects of the present invention are：When agricultural machinery drives the device to work, the plants case full of seed can be continuously
By injection seeded feed mechanism for seed, the seed scraping device in feed mechanism for seed is fixed with crossbearer, by scraping kind in the rotation seed-distributing tube of gear
Device is scraped seed in the kinds of bank deposits hole of feed mechanism for seed；Gear is rotated further, when in kinds of bank deposits hole and chassis full of seed in feed mechanism for seed
Sowing port when overlapping seed discharge, the seed of discharge can enter the broadcast leakage detection means being arranged at below sowing port；First electricity
The relative area and spacing for holding pole plate and the second capacitor plate are fixed, and power supply is voltage-stabilized power supply, and the electric capacity of capacitor plate is constant, when
Seed is regularly discharged from feed mechanism for seed, constant through the medium in capacitor plate during piping, when the value of other electrical parameters is constant
When, it is each approximate by capacitance variations caused by the seed of two capacitor plates, when seed is discharged in adjacent kinds of bank deposits hole
Between the timing of t1 mono-, it is rule to pass the data of computer back by data acquisition device when seed passes through capacitor plate；And as row
Kind of device because block can not normal seeding when, capacitance loses change, and the data for passing computer back lose rule, and computer will be controlled
Warning device processed sends alarm, reminds plant personnel timely processing failure, broadcast leakage is prevented, so as to substantially increase the accurate of sowing
Degree and production efficiency；
Under the output of voltage-stabilized power supply, optical signal is sent optical signal device from light source emitter, by logical on capacitor plate
Hole and the optical signal stabilization for being transferred to light source receiver, when seed passes through pipeline from feed mechanism for seed discharge, light source emitter is sent
Light can be blocked, do not receive optical signal so as to photo-detector, computer back passed data by data acquisition device, calculate
Machine adds one by incremental algorithm, so as to realize application rate Online statistics.Compared with other anti-clogging broadcast leakage devices, capacitance pole
The reaction of plate is sensitiveer, is not in too big error more precisely, and present photoelectric sensor counting technology comparative maturity,
Influenceed by other disturbing factors it is smaller, be more suitable for complex environment application rate detection with broadcast leakage detect.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the axonometric drawing of the present invention；
Fig. 3 is the structural representation of broadcast leakage detection means；
Fig. 4 is that feed mechanism for seed coordinates figure；
Fig. 5 is the structural representation of feed mechanism for seed；
Fig. 6 is the structural representation on chassis.
Wherein, in figure respectively marked as：1st, plants case；2nd, grain conductor；3rd, seed-distributing tube；4th, sowing port；5th, capacitor plate；6th, signal
Emitter；7th, voltage-stabilized power supply；8th, data acquisition device；9th, seed guiding groove；10th, motor；11st, power transmission shaft；12nd, light source emitter；
13rd, reduction box；14th, reduction gearing；15th, ditch channel bar；16th, light source receiver；17th, seed scraping device；18th, kinds of bank deposits hole；19th, chassis.
Embodiment
In order to which those skilled in the art better understood when technical scheme provided by the present invention, with reference to specific
Embodiment income illustrates.
This case will can be illustrated and is fully understood by following embodiment so that the personage for being familiar with this skill can be according to this
Complete, the embodiment of right this case not can be limited its embodiment by following.
A kind of broadcast leakage detects sead feeder, including sead feeder housing and be arranged in sead feeder housing dispenser, broadcast leakage
Detection means, data acquisition device, the bottom surface of sead feeder housing are provided with ditch channel bar 15, and sead feeder enclosure interior is provided with crossbearer,
Also default plus kind of mouth on sead feeder housing.
Dispenser includes plants case 1, grain conductor 2, feed mechanism for seed, motor 10, power transmission shaft 11, reduction box 13 and reduction gearing
14, plants case 1 is arranged at plus kind is intraoral, and plants case 1 is connected with downwards grain conductor 2, and grain conductor 2 connects feed mechanism for seed, the lower end of feed mechanism for seed
Face is provided with sowing port 4, and feed mechanism for seed is also connected with driving the motor 10 of feed mechanism for seed rotation；Feed mechanism for seed includes seed-distributing tube 3, the and of seed scraping device 17
Chassis 19, seed-distributing tube 3 are the cylinder type of top end opening, and the openend of seed-distributing tube 3 connects grain conductor 2, the bottom end face of seed-distributing tube 3
Kinds of bank deposits hole 18 is additionally provided with, kinds of bank deposits hole 18 is arranged to multiple, and multiple kinds of bank deposits holes 18 are distributed in the bottom end face of seed-distributing tube 3, kinds of bank deposits hole
The distance of 18 to the central axis of seed-distributing tube 3 is identical with the distance of sowing port 4 to the central axis of seed-distributing tube 3；It is additionally provided with seed-distributing tube 3
Seed scraping device 17；Seed scraping device 17 is shaft-like, and the central point of one end through the bottom end face of seed-distributing tube 3 of seed scraping device 17 is fixed on sead feeder
On crossbearer in housing, the other end of seed scraping device 17 extends to the inwall of seed-distributing tube 3；Chassis 19 is connected to the bottom of seed-distributing tube 3
End face, chassis 19 are provided with sowing port 4；During seeding, motor 10 is connected to reduction box 13 by power transmission shaft 11, and reduction box 13 connects
Reduction gearing 14, the outer wall of seed-distributing tube 3 lay gear, and gear is meshed with reduction gearing 14.
Broadcast leakage detection means includes seed guiding groove 9, capacitor plate 5, optical signal device and link, and seed guiding groove 9 includes leading kind
The body of groove 9 and the discharging tube for being connected to the body lower surface of seed guiding groove 9, the other end of discharging tube extend to sead feeder hull outside and set
In the side of ditch channel bar 15, the body of seed guiding groove 9 is arranged at the lower section of sowing port 4, and capacitor plate 5 is also connected with the body of seed guiding groove 9；Capacitance pole
Plate 5 includes the first capacitor plate and the second capacitor plate be arrangeding in parallel, and the first capacitor plate and the second capacitor plate connect respectively
It is connected on the two side of the body of seed guiding groove 9, and Lou kind of gap is left between two capacitor plates 5, one is further respectively had on capacitor plate 5
Group or multigroup through hole, the through hole on the first capacitor plate and the second capacitor plate are mutually symmetrical；First capacitor plate and the second electricity
Holding pole plate and connect link respectively, two links are symmetricly set in Lou kind of gap both sides, optical signal device are also connected with link,
Every group of link includes connecting plate and installing plate, and installing plate is connected to capacitor plate 5 by connecting plate, and installing plate is parallel to electricity
Hold pole plate 5, installation gap is left between installing plate and capacitor plate 5, optical signal device is arranged on installing plate；Optical signal device
Including light source emitter 12 and light source receiver 16, and light source emitter 12 and light source receiver 16 are symmetricly set in Lou kind of gap
Both sides；The signal output part of optical signal device is connected with data acquisition device.
Data acquisition device includes data acquisition unit 8, voltage-stabilized power supply 7, sender unit 6 and computer, voltage-stabilized power supply 7
Capacitor plate 5, optical signal device and data acquisition unit 8, the input connection He of capacitor plate 5 of data acquisition unit 8 are connected respectively
Optical signal device, the output end of data acquisition unit 8 are also associated with the input of sender unit 6, and sender unit 6 exports
End connection computer, the output end connection warning device of computer.
The detection method of broadcast leakage detection sead feeder includes broadcast leakage detection method and application rate statistical method.
The step of broadcast leakage detection method is：
Step 1: kinds of bank deposits hole 18 is distributed in uniform in the end face of seed-distributing tube 3, the seed in kinds of bank deposits hole 18 falls through sowing port 4 successively
Enter broadcast leakage detection means, the time interval of seed discharge is t1 in two adjacent kinds of bank deposits holes 18；
Step 2: the electric capacity of the first capacitor plate and the second capacitor plate under the output of voltage-stabilized power supply 7 is constant, when seed falls into the
When between one capacitor plate and the second capacitor plate, seed causes the electric capacity between capacitor plate 5 to change as dielectric,
The capacitor pulse of change feeds back to computer by data acquisition unit 8 and sender unit 6, the pulse for seed once under
Fall；
Step 3: judging once whether there is seed to fall every the t1 times, if no seed is fallen, start warning device.
When agricultural machinery drives the device to work, the plants case 1 full of seed can be continuously by injection seeded feed mechanism for seed, row
Seed scraping device 17 in kind device is fixed with crossbearer, is scraped seed into row by the seed scraping device 17 in the rotation seed-distributing tube 3 of gear
In the kinds of bank deposits hole 18 of kind device；Gear is rotated further, when kinds of bank deposits hole 18 and the sowing port 4 in chassis 19 that seed is full of in feed mechanism for seed
Seed is discharged during coincidence, and the seed of discharge can enter the broadcast leakage detection means for being arranged at the lower section of sowing port 4；First capacitor plate and
The relative area and spacing of second capacitor plate are fixed, and power supply is voltage-stabilized power supply 7, and the electric capacity of capacitor plate 5 is constant, when kind of a cuckoo
Rule ground is discharged from feed mechanism for seed, constant through the medium in capacitor plate during piping 5, when the value of other electrical parameters is constant, often
Capacitance variations caused by the individual seed by two capacitor plates 5 are approximate, when the time that seed is discharged in adjacent kinds of bank deposits hole 18
The timing of t1 mono-, seed are rules by passing the data of computer back by data acquisition device during capacitor plate 5；And work as seeding
Device because block can not normal seeding when, capacitance loses change, and the data for passing computer back lose rule, and computer will control
Warning device sends alarm, reminds plant personnel timely processing failure, broadcast leakage is prevented, so as to substantially increase the precision of sowing
And production efficiency.
The step of application rate statistical method is：
Step 1: seed is t2 by the time of optical signal device after the discharge of sowing port 4；
Step 2: optical signal device, under the output of voltage-stabilized power supply 7, optical signal is sent from light source emitter 12, passes through electric capacity
Through hole on pole plate 5 and be transferred to light source receiver 16 optical signal it is stable, when seed is fallen between optical signal device, light source
The optical signal that transmitter 12 is sent blocks under seed effect, and the time blocked is t2, and now light source receiver 16 can not
Complete optical signal is received, the pulse that optical signal blocks feeds back to calculating by data acquisition unit 8 and sender unit 6
Machine, the pulse are the once sowing of seed；
Step 3: computer calculates the optical signal received by add algorithm blocks pulse, increment is 1, realizes that seed is broadcast
The statistics of kind amount.
Under the output of voltage-stabilized power supply 7, optical signal is sent optical signal device from light source emitter 12, passes through capacitor plate
Through hole on 5 and be transferred to light source receiver 16 optical signal it is stable, when seed passes through pipeline from feed mechanism for seed discharge, light source hair
The light that emitter 12 is sent can be blocked, and so as to which photo-detector does not receive optical signal, be passed back data by data acquisition device
Computer, computer add one by incremental algorithm, so as to realize application rate Online statistics.With other anti-clogging broadcast leakage devices
Compare, the reaction of capacitor plate 5 is sensitiveer, is not in too big error, and present photoelectric sensor counts skill more precisely
Art comparative maturity, influenceed by other disturbing factors it is smaller, be more suitable for complex environment application rate detection with broadcast leakage detect.
The time t1 that seed is discharged in adjacent kinds of bank deposits hole 18 is equal to seed and passes through optical signal device after the discharge of sowing port 4
Time t2.Light source emitter 12 is identical with the height of light source receiver 16, only needing 5S after being discharged such as seed from seed-distributing tube 3
Time just can be by light beam, and when seed is by capacitor plate 5, the light that light source emitter 12 is sent is blocked, so as to which light source connects
Complete photosignal can not be received by receiving device 16, and such case can maintain 5S time, and now data acquisition device passes through letter
Number emitter passes data back computer, and computer adds one by incremental algorithm, realizes application rate Online statistics；Work as seeding
During the cylinder uniform six kinds of bank deposits holes 18 in 3 bottom surfaces, adjacent holes center of circle angle is 60 °, the seeding being precisely controlled by reduction gearing 14
Device 3 rotate 60 ° when time be 5S, it is the same that the time of light source is blocked with seed, that is to say, that when seed has just left light beam,
Seed-distributing tube 3 just discharges a seed, such capacitance and optical signal will rule change, be not in two even three kinds
There is situation in the duct simultaneously in son, is not in thus the capacitance and photosignal of disorder, is blocked for precisely detection
Broadcast leakage and counting provide strong foundation.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of broadcast leakage detects sead feeder, it is characterised in that：Including sead feeder housing and the seeding being arranged in sead feeder housing
Device, broadcast leakage detection means, data acquisition device, the bottom surface of the sead feeder housing are provided with ditch channel bar（15）, the sead feeder
Also default plus kind of mouth on housing；
The dispenser includes plants case（1）, grain conductor（2）, feed mechanism for seed and motor（10）, the plants case（1）It is arranged at and adds kind
It is intraoral, the plants case（1）It is connected with grain conductor downwards（2）, the grain conductor（2）Feed mechanism for seed is connected, the lower surface of feed mechanism for seed is set
There is sowing port（4）, the feed mechanism for seed be also connected with drive feed mechanism for seed rotation motor（10）；
The broadcast leakage detection means includes seed guiding groove（9）, capacitor plate（5）, optical signal device and link, the seed guiding groove
（9）Including seed guiding groove（9）Body and it is connected to seed guiding groove（9）The discharging tube of body lower surface, the other end of the discharging tube extend to
Sead feeder hull outside is simultaneously arranged at ditch channel bar（15）Side, the seed guiding groove（9）Body is arranged at sowing port（4）Lower section, institute
State seed guiding groove（9）Capacitor plate is also connected with body（5）；The capacitor plate（5）Including the first capacitor plate for be arrangeding in parallel and
Second capacitor plate, first capacitor plate and the second capacitor plate are connected to seed guiding groove（9）On the two side of body, and
Two capacitor plates（5）Between leave Lou kind of gap, the capacitor plate（5）On further respectively have one or more groups of through holes, it is described
Through hole on first capacitor plate and the second capacitor plate is mutually symmetrical；First capacitor plate and the second capacitor plate difference
The link is connected, two links are symmetricly set in Lou kind of gap both sides, optical signal device is also connected with the link；Institute
Stating optical signal device includes light source emitter（12）And light source receiver（16）, and light source emitter（12）And light source receiver
（16）It is symmetricly set in the both sides in Lou kind of gap；The signal output part of the optical signal device is connected with data acquisition device.
A kind of 2. broadcast leakage detection sead feeder according to claim 1, it is characterised in that：The feed mechanism for seed includes seed-distributing tube
（3）, seed scraping device（17）And chassis（19）, the seed-distributing tube（3）For the cylinder type of top end opening, the seed-distributing tube（3）Opening
End connection grain conductor（2）, seed-distributing tube（3）Bottom end face be additionally provided with kinds of bank deposits hole（18）, the seed-distributing tube（3）Inside it is additionally provided with and scrapes kind
Device（17）；The seed scraping device（17）To be shaft-like, seed scraping device（17）One end pass through seed-distributing tube（3）The central point of bottom end face is fixed
Crossbearer in sead feeder housing, seed scraping device（17）The other end extend to seed-distributing tube（3）Inwall；The chassis（19）Connection
In seed-distributing tube（3）Bottom end face, the chassis（19）It is provided with sowing port（4）.
A kind of 3. broadcast leakage detection sead feeder according to claim 2, it is characterised in that：Kinds of bank deposits hole（18）It is arranged to multiple,
Multiple kinds of bank deposits holes（18）It is distributed in seed-distributing tube（3）Bottom end face, the kinds of bank deposits hole（18）To seed-distributing tube（3）Central axis away from
From with the sowing port（4）To seed-distributing tube（3）The distance of central axis is identical.
A kind of 4. broadcast leakage detection sead feeder according to claim 1 or 2, it is characterised in that：The dispenser also includes
Power transmission shaft（11）, reduction box（13）And reduction gearing（14）, the motor（10）Pass through power transmission shaft（11）It is connected to reduction box
（13）, the reduction box（13）Connect reduction gearing（14）, the seed-distributing tube（3）Outer wall lay gear, the gear with it is described
Reduction gearing（14）It is meshed.
A kind of 5. broadcast leakage detection sead feeder according to claim 1, it is characterised in that：The data acquisition device includes number
According to collector（8）, voltage-stabilized power supply（7）, sender unit（6）And computer, the voltage-stabilized power supply（7）Capacitance pole is connected respectively
Plate（5）, optical signal device and data acquisition unit（8）, the data acquisition unit（8）Input connection capacitor plate（5）And light
Recoil simulator, the data acquisition unit（8）Output end be also associated with sender unit（6）Input, signal hair
Injection device（6）Output end connects computer, the output end connection warning device of the computer.
A kind of 6. broadcast leakage detection sead feeder according to claim 1, it is characterised in that：The link includes connecting plate
And installing plate, the installing plate are connected to capacitor plate by connecting plate（5）, the installing plate is parallel to capacitor plate（5）, institute
State installing plate and the capacitor plate（5）Between leave installation gap, the optical signal device is arranged on installing plate.
A kind of 7. detection method of broadcast leakage detection sead feeder according to claim 1, it is characterised in that：The detection method
Including broadcast leakage detection method and application rate statistical method.
A kind of 8. detection method of broadcast leakage detection sead feeder according to claim 7, it is characterised in that：The broadcast leakage detection
The step of method, is as follows：
Step 1: kinds of bank deposits hole（18）It is distributed in seed-distributing tube（3）End face it is uniform, kinds of bank deposits hole（18）Interior seed is successively through seeding
Mouthful（4）Fall into broadcast leakage detection means, two adjacent kinds of bank deposits holes（18）The time interval of interior seed discharge is t1；
Step 2: the first capacitor plate and the second capacitor plate are in voltage-stabilized power supply（7）Electric capacity under output is constant, when seed is fallen into
When between the first capacitor plate and the second capacitor plate, seed causes capacitor plate as dielectric（5）Between electric capacity occur
Change, the capacitor pulse of change pass through data acquisition unit（8）And sender unit（6）Computer is fed back to, the pulse is kind
The once whereabouts of son；
Step 3: judging once whether there is seed to fall every the t1 times, if no seed is fallen, start warning device.
A kind of 9. detection method of broadcast leakage detection sead feeder according to claim 7, it is characterised in that：The application rate system
The step of meter method is：
Step 1: seed is from sowing port（4）By the time of optical signal device it is t2 after discharge；
Step 2: optical signal device is in voltage-stabilized power supply（7）Output under, optical signal is from light source emitter（12）In send, pass through
Capacitor plate（5）On through hole and be transferred to light source receiver（16）Optical signal it is stable, when seed fall into optical signal device it
Between when, light source emitter（12）The optical signal sent blocks under seed effect, and the time blocked is t2, and now light source connects
Receive device（16）Complete optical signal can not be received, the pulse that optical signal blocks passes through data acquisition unit（8）Launch with signal and fill
Put（6）Computer is fed back to, the pulse is the once sowing of seed；
Step 3: computer calculates the optical signal received by add algorithm blocks pulse, increment is 1, realizes that seed is broadcast
The statistics of kind amount.
A kind of 10. detection method of broadcast leakage detection sead feeder according to claim 8 or claim 9, it is characterised in that：It is described adjacent
Kinds of bank deposits hole（18）The time t1 of interior seed discharge is equal to seed from sowing port（4）Pass through the time t2 of optical signal device after discharge.
Priority Applications (1)
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| CN109041695A (en) * | 2018-09-17 | 2018-12-21 | 中国农业大学 | A kind of metering device and method of wheat precision drilling |
| CN111227282A (en) * | 2020-04-03 | 2020-06-05 | 长江大学 | Garlic peeling machine |
| CN115777299A (en) * | 2022-12-23 | 2023-03-14 | 扬州大学 | Connecting device capable of adapting to monitoring of discharge capacity of various seeds |
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