CN105900569B - The kind material control device of full-automatic corn seeder - Google Patents
The kind material control device of full-automatic corn seeder Download PDFInfo
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- CN105900569B CN105900569B CN201610252883.4A CN201610252883A CN105900569B CN 105900569 B CN105900569 B CN 105900569B CN 201610252883 A CN201610252883 A CN 201610252883A CN 105900569 B CN105900569 B CN 105900569B
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- operational amplifier
- chip microcomputer
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/06—Seeders combined with fertilising apparatus
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/025—Devices for laying-out or removing plant coverings
-
- 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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- 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)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The kind material control device of full-automatic corn seeder, belongs to field of agricultural machinery, and it includes signal pickup assembly, signal processing apparatus；The input of the output connection signal processing apparatus of signal pickup assembly, the output connection alarm and electromagnetic brake of signal processing apparatus；The signal processing apparatus includes the first single-chip microcomputer, second singlechip, the first operational amplifier, the second operational amplifier, the 3rd operational amplifier, four-operational amplifier, first resistor, second resistance, 3rd resistor, the 4th resistance, feedback resistance, adjustable resistance, triode, diode, commutation diode, integrating capacitor, electric capacity, wireless transmitter module, wireless receiving module, A/D change-over circuits, D/A change-over circuits and power amplification circuit.The detection warning system of the present invention can detect in time broadcast leakage phenomenon and and alarm, by carrying out artificial after-culture to broadcast leakage acupuncture point, avoid occurrence of large-area broadcast leakage phenomenon, reduce the loss of peasant.
Description
Technical field
The invention belongs to the auxiliary facility of agricultural machinery, for supporting with full automatic control corn drill.
Background technology
Disclosed in Chinese patent ZL201210454554X there are following problems in a kind of corn drill in actual applications：
In seeding process, soil can be bonded at mouth of sowing the mouth blocking that will sow, and broadcast leakage phenomenon occurs, and this phenomenon can not be sent out in time
It is existing, cause to have after emergence one by one without seedling phenomenon, caused damage to peasant household.
The content of the invention
In order to avoid above-mentioned broadcast leakage phenomenon, the present invention, which provides, can find that a kind of full-automatic corn of broadcast leakage phenomenon is broadcast in time
The kind material control device of kind machine.
Technical scheme：The kind material control device of full-automatic corn seeder, the full-automatic corn seeder
Including frame, pressure ground roll, plough, film-covering mechanism, sowing mechanism, fertilizing mechanism;Roller, pressure ground roll, trench digging are set in frame
Device, film-covering mechanism, sowing mechanism, fertilizing mechanism;Film-covering mechanism includes mulch film support roller and film-spreading roller, and sowing mechanism includes seed
Case, kind of a device, seeder are inhaled, fertilizing mechanism includes receptacle, fertilization adjustment device and fertilizer delivery pipe, sets and rake the soil level in frame
Plate;The seeder is rotatable circular wheel, and seeder includes external disk, inner disc, seed-taking device, and external disk, inner disc are disc,
External disk and inner disc are nested together, and inner disc is fixed disk, and external disk is rotating disk, and external disk is equidistantly positioned one week kind rim of the mouth, each kind
Dibbler is set at rim of the mouth;Camber line distance between two neighboring dibbler is equal to 180mm, and the end set of dibbler opens film
Device;The setting number in kind rim of the mouth is 8；The seed-taking device by seed box, take kind of a spoon to form, seed box is fixed together with inner disc,
Seed port is set on seed box, and the lower section of seed port, which is set, takes kind of a spoon, takes kind of a spoon outlet alignment dibbler seed entrance;Point
Kind device seed porch sets baffle plate, i.e., sets baffle chute in the kind rim of the mouth of external disk, baffle plate setting is on baffle chute;Sowing
When spacing is 180mm, baffle plate, which is extracted out, makes dibbler seed entrance fully open;When sowing spacing is 360mm, half quantity is closed
Dibbler seed entrance, interval open baffle plate；The bottom of the receptacle sets fertilization adjustment device and vibrating motor, fertilising
The lower section of adjusting means sets fertilizer delivery pipe, and fertilizer delivery pipe abuts plough;It is described to open membrane device by two cross sections into ladder
Shape or cross section make the end of two metal derbies turn into sharply into the metal derby crisscross of triangle;The fertilising
Adjusting means includes regulation rotating shaft manually, 3 ~ 6 blanking grooves is set in rotating shaft, the bore of the discharging opening of each blanking groove is different, uses
In regulation discharge quantity number, the lower section of the discharging opening of blanking groove sets fertilizer delivery pipe；The plough is that inner side is recessed
Dished disk, the bottom of dished disk set point shovel, and the position that the outside of dished disk is top sets anti-pulley, anti-pulley and dish
The outside of shape disk sets backplate;The coverer is the recessed dished disk in inner side, the top position in the outside of dished disk
The outside setting backplate of anti-pulley, anti-pulley and dished disk is set;The film-covering mechanism includes film support roller, film-spreading roller,
Film support roller is arranged in frame by bearing, and film-spreading roller includes fixing axle, at least provided with two rollers in fixing axle, is located at
Biofilm pin is set on the wheel rim of end positions roller；The detection is provided between the discharging opening of blanking groove and fertilizer delivery pipe
Warning system；The installation axle of the link connection seeder of warning system one end is detected, detects the detection of the warning system other end
Bar connects fertilizer delivery pipe.
The detection warning system includes bindiny mechanism, detection warning device.
The detection warning device includes signal pickup assembly, signal processing apparatus；The output connection of signal pickup assembly
The input of signal processing apparatus, the output connection alarm or display of signal processing apparatus, signal pickup assembly are arranged on inspection
On measuring staff.
The signal processing apparatus includes the first single-chip microcomputer, second singlechip, the first operational amplifier, the second operation amplifier
Device, the 3rd operational amplifier, four-operational amplifier, first resistor, second resistance, 3rd resistor, the 4th resistance, feedback electricity
Resistance, adjustable resistance, triode, diode, commutation diode, integrating capacitor, electric capacity, wireless transmitter module, wireless receiving module,
A/D change-over circuits, D/A change-over circuits and power amplification circuit；
The positive and negative input of first operational amplifier connects two electrodes of imaging sensor respectively, and positive input is same
When be grounded；Integrating capacitor and feedback resistance parallel connection are followed by between the negative input end of the first operational amplifier and output end；
First resistor, adjustable resistance, second resistance series connection after, be connected between the output end of the second operational amplifier,
The output end of the positive input termination charge amplifying circuit of second operational amplifier, the operation amplifier of adjustable termination second of adjustable resistance
The negative input end of device；
Triode and the 4th resistance form reset circuit；The positive input of 3rd operational amplifier terminates the second operational amplifier
Output end, the output end of the 3rd operational amplifier is connected by commutation diode with the positive input terminal of four-operational amplifier,
Negative input end of the 3rd resistor respectively with the 3rd operational amplifier, four-operational amplifier is connected, and diode is connected in the 3rd computing
Between the negative input end and output end of amplifier, the base stage of triode is connected with the P0 mouths of the first single-chip microcomputer, the transmitting of triode
Pole is grounded after being connected with the 4th resistance, and transistor collector connects the positive input terminal of four-operational amplifier and is connected with electric capacity；The
The P2.0 pin of one single-chip microcomputer connect the EOC pin of A/D change-over circuits, and the P2.1 pin of the first single-chip microcomputer connect the I/O pin of A/D change-over circuits,
The P2.2 pin of first single-chip microcomputer connect the ADD pin of A/D change-over circuits, and the P2.3 pin of the first single-chip microcomputer meet the DAT of A/D change-over circuits
Pin, the P2.4 pin of the first single-chip microcomputer connect the CS pin of A/D change-over circuits；
The P1.2 pin of first single-chip microcomputer connect the CS pin of wireless transmitter module；The P1.3 pin of first single-chip microcomputer connect wireless transmission mould
The SCK pin of block；The P1.4 pin of first single-chip microcomputer connect the MISO pin of wireless transmitter module；The P1.5 pin of first single-chip microcomputer connect wireless hair
Penetrate the IRQ pin of module；The P1.6 pin of first single-chip microcomputer connect the MOSI pin of wireless transmitter module；The P1.7 pin of first single-chip microcomputer connect nothing
The CSN pin of line transmitter module；
The P2.1 pin of second singlechip connect the SCK pin of wireless receiving module, and the P2.2 pin of second singlechip connect wireless receiving
The MISO pin of module, the P0.1 mouths device taking alarm of second singlechip, the P0.0 mouths of second singlechip connect electromagnetic brake；
The P1.0 pin of second singlechip connect the DIN pin of D/A change-over circuits, and the P1.1 pin of second singlechip connect D/A conversion electricity
The SCLK pin on road, the P1.2 pin of second singlechip connect the CS pin of D/A change-over circuits；The OUT pin of D/A change-over circuits connect power amplification
The AIN pin of circuit；Voltage reference integrated chip REF5020 provides 2. 048V reference voltage, voltage reference for D/A converter
Integrated chip REF5020 is connected by pin VOUT with the pin REFIN of D/A converter；Voltage reference integrated chip REF5020
VIN pin and GNC pin between connect an electric capacity and connect the DOUT pin of D/A converter.
The bindiny mechanism includes connecting plate, first connecting rod, second connecting rod, third connecting rod, detection bar, and detection bar is articulated with
The lower end of second connecting rod, second connecting rod is be hinged with fourth link and is hinged with one end of third connecting rod, the other end of third connecting rod
With the 5th rod hinge connection；Belt pulley is mounted on the jointed shaft at third connecting rod both ends, between the 5th connecting rod and first connecting rod
Belt pulley is installed, the first transmission belt is connected on the belt pulley of the 5th connecting rod two end, and the second transmission belt is connected on jointed shaft
On the belt pulley at third connecting rod both ends；Fourth link one end is hinged with second connecting rod and third connecting rod, the other end of fourth link
Provided with chute, pulley is provided with chute, pulley is connected with roller arm, and roller arm is hinged with first connecting rod.
The present invention detection warning system can detect in time broadcast leakage phenomenon and and alarm, by entering to broadcast leakage acupuncture point
Pedestrian's work after-culture, occurrence of large-area broadcast leakage phenomenon is avoided, reduces the loss of peasant.
Brief description of the drawings
Fig. 1 is a part of circuit diagram of the signal processing apparatus of the embodiment of the present invention.
Fig. 2 is another part circuit diagram of the signal processing apparatus of the embodiment of the present invention.
Fig. 3 is the structure chart of the bindiny mechanism of the embodiment of the present invention 1.
Fig. 4 is the structure chart of the bindiny mechanism of the embodiment of the present invention 2.
In figure, U1 --- A/D change-over circuits, U2 --- the first single-chip microcomputer, U3 --- wireless transmitter module, U4 --- electric charge
Amplifying circuit, U5 --- voltage amplifier circuit, U6 --- peak holding circuit, U7 --- wireless receiving module, U8 --- second
Single-chip microcomputer, U9 --- D/A change-over circuits, U10 --- power amplification circuit, R1 --- first resistor, R2 --- second resistance,
R3 --- 3rd resistor, R 4 --- the 4th resistance；1st, connecting plate, 2, jointed shaft, 3, first connecting rod, the 4, first driving belt,
5th, the second driving belt, 6, second connecting rod, 7, detection bar, 8, third connecting rod, 9, fourth link, 10, pulley, 11, chute, 12,
Fourth link, 13, belt pulley, 14, installation axle, 15, six-bar linkage, 16, seven-link assembly, the 17, the 8th connecting rod, the 18, the 9th connecting rod,
19th, roller, 20, worm-and-wheel gear, 21, pulley sliding track mechanism.
Embodiment
Embodiment 1：The present embodiment is a kind of basis of corn drill disclosed in Chinese patent ZL201210454554X
Upper progress is improved.One electromagnetic brake of installation and the connecting plate of connection bindiny mechanism i.e. in the installation axle 12 of the seeder
1, the detection bar 7 of bindiny mechanism connects fertilizer delivery pipe, and detection bar 7 is located between discharging opening and the fertilizer delivery pipe of blanking groove.
Detection bar 7 is provided with cmos image sensor chip.
Shown in Fig. 3, the bindiny mechanism includes connecting plate 1, first connecting rod 3, second connecting rod 6, third connecting rod 8, detection bar
7, detection bar 7 is articulated with the lower end of second connecting rod 6, and second connecting rod 6 is hinged with fourth link 9 and cut with scissors with one end of third connecting rod 8
Connect, the other end of third connecting rod 8 and the 5th connecting rod 12 are be hinged；Belt pulley is mounted on the jointed shaft 2 at the both ends of third connecting rod 8
13, belt pulley 13 is installed, the first transmission belt 4 is connected to the 5th company on the jointed shaft 2 between the 5th connecting rod 12 and first connecting rod 3
On the belt pulley at the both ends of bar 12, the second transmission belt 5 is connected on the belt pulley at the both ends of third connecting rod 8；One end of fourth link 9 and the
Two connecting rods 6 and third connecting rod 8 are be hinged, and the other end of fourth link 9 is provided with chute 11, and pulley 10, pulley 10 are provided with chute 11
It is connected with roller arm, roller arm is be hinged with first connecting rod 3.
Shown in Fig. 1, Fig. 2, the signal processing apparatus of the present embodiment includes the first single-chip microcomputer, second singlechip, the first computing
Amplifier, the second operational amplifier, the 3rd operational amplifier, four-operational amplifier, first resistor, second resistance, the 3rd electricity
Resistance, the 4th resistance, feedback resistance, adjustable resistance, triode, diode, commutation diode, integrating capacitor, electric capacity, wireless transmission
Module, wireless receiving module, A/D change-over circuits, D/A change-over circuits and power amplification circuit；
The positive and negative input of first operational amplifier connects two electrodes of imaging sensor respectively, and positive input is same
When be grounded；Integrating capacitor and feedback resistance parallel connection are followed by between the negative input end of the first operational amplifier and output end；
First resistor, adjustable resistance, second resistance series connection after, be connected between the output end of the second operational amplifier,
The output end of the positive input termination charge amplifying circuit of second operational amplifier, the operation amplifier of adjustable termination second of adjustable resistance
The negative input end of device；
Triode and the 4th resistance form reset circuit；The positive input of 3rd operational amplifier terminates the second operational amplifier
Output end, the output end of the 3rd operational amplifier is connected by commutation diode with the positive input terminal of four-operational amplifier,
Negative input end of the 3rd resistor respectively with the 3rd operational amplifier, four-operational amplifier is connected, and diode is connected in the 3rd computing
Between the negative input end and output end of amplifier, the base stage of triode is connected with the P0 mouths of the first single-chip microcomputer, the transmitting of triode
Pole is grounded after being connected with the 4th resistance, and transistor collector connects the positive input terminal of four-operational amplifier and is connected with electric capacity；The
The P2.0 pin of one single-chip microcomputer connect the EOC pin of A/D change-over circuits, and the P2.1 pin of the first single-chip microcomputer connect the I/O pin of A/D change-over circuits,
The P2.2 pin of first single-chip microcomputer connect the ADD pin of A/D change-over circuits, and the P2.3 pin of the first single-chip microcomputer meet the DAT of A/D change-over circuits
Pin, the P2.4 pin of the first single-chip microcomputer connect the CS pin of A/D change-over circuits；
The P1.2 pin of first single-chip microcomputer connect the CS pin of wireless transmitter module；The P1.3 pin of first single-chip microcomputer connect wireless transmission mould
The SCK pin of block；The P1.4 pin of first single-chip microcomputer connect the MISO pin of wireless transmitter module；The P1.5 pin of first single-chip microcomputer connect wireless hair
Penetrate the IRQ pin of module；The P1.6 pin of first single-chip microcomputer connect the MOSI pin of wireless transmitter module；The P1.7 pin of first single-chip microcomputer connect nothing
The CSN pin of line transmitter module；
The P2.1 pin of second singlechip connect the SCK pin of wireless receiving module, and the P2.2 pin of second singlechip connect wireless receiving
The MISO pin of module, the P0.1 mouths device taking alarm of second singlechip, the P0.0 mouths of second singlechip connect electromagnetic brake；
The P1.0 pin of second singlechip connect the DIN pin of D/A change-over circuits, and the P1.1 pin of second singlechip connect D/A conversion electricity
The SCLK pin on road, the P1.2 pin of second singlechip connect the CS pin of D/A change-over circuits；The OUT pin of D/A change-over circuits connect power amplification
The AIN pin of circuit；Voltage reference integrated chip REF5020 provides 2. 048V reference voltage, voltage reference for D/A converter
Integrated chip REF5020 is connected by pin VOUT with the pin REFIN of D/A converter；Voltage reference integrated chip REF5020
VIN pin and GNC pin between connect an electric capacity and connect the DOUT pin of D/A converter.
Embodiment 2：Shown in Fig. 4, the bindiny mechanism of the present embodiment is by connecting plate 1, first connecting rod 3, second connecting rod the 6, the 3rd
Connecting rod 8, fourth link 9, the 5th connecting rod 12, six-bar linkage 15, seven-link assembly 16, the 8th connecting rod 17, the 9th connecting rod 18, roller
19th, worm-and-wheel gear 20, pulley sliding track mechanism 21 form.First connecting rod 3 is be hinged with second connecting rod 6, second connecting rod 6 and the 3rd
Connecting rod 8 is be hinged, and second connecting rod 6 is be hinged with fourth link 9, and the connecting rod 12 of fourth link 9 and the 5th and seven-link assembly 16 are be hinged, and the 6th
The connecting rod 12 of connecting rod 15 and the 5th, the 9th connecting rod 18 and seven-link assembly 16 are be hinged, and the 9th connecting rod 18 and the 8th connecting rod 17 are be hinged, and the 9th
One motor shaft of the middle part of connecting rod 18 connection, one end installation motor of motor shaft, the other end installation worm-and-wheel gear of motor shaft
20, the worm gear connection pulley sliding track mechanism 21 and roller 19 of worm-and-wheel gear 20.
Claims (1)
1. the kind material control device of full-automatic corn seeder, it is characterized in that including signal pickup assembly, signal processing apparatus；Letter
The input of the output connection signal processing apparatus of number harvester, the output connection alarm and electromagnetism of signal processing apparatus are embraced
Lock；The signal processing apparatus includes the first single-chip microcomputer, second singlechip, the first operational amplifier, the second operational amplifier, the
It is three operational amplifiers, four-operational amplifier, first resistor, second resistance, 3rd resistor, the 4th resistance, feedback resistance, adjustable
Resistance, triode, diode, commutation diode, integrating capacitor, electric capacity, wireless transmitter module, wireless receiving module, A/D conversions
Circuit, D/A change-over circuits and power amplification circuit；The positive and negative input of first operational amplifier connects imaging sensor respectively
Two electrodes, and positive input is grounded simultaneously；Integrating capacitor and feedback resistance parallel connection are followed by the negative of the first operational amplifier
Between input and output end；First resistor, adjustable resistance, second resistance series connection after, be connected on the second operational amplifier
Between output end, the output end of the positive input termination charge amplifying circuit of the second operational amplifier, the adjustable termination of adjustable resistance
The negative input end of second operational amplifier；Triode and the 4th resistance form reset circuit；The positive input of 3rd operational amplifier
The output end of the second operational amplifier is terminated, the output end of the 3rd operational amplifier passes through commutation diode and the 4th operation amplifier
The positive input terminal of device is connected, and negative input end of the 3rd resistor respectively with the 3rd operational amplifier, four-operational amplifier is connected, and two
Pole pipe is connected between negative input end and the output end of the 3rd operational amplifier, and the base stage of triode and the P0 mouths of the first single-chip microcomputer connect
Connect, the emitter stage of triode is grounded after being connected with the 4th resistance, and transistor collector connects the positive input terminal of four-operational amplifier
And it is connected with electric capacity；The P2.0 pin of first single-chip microcomputer connect the EOC pin of A/D change-over circuits, and the P2.1 pin of the first single-chip microcomputer meet A/D and turned
The I/O pin of circuit are changed, the P2.2 pin of the first single-chip microcomputer connect the ADD pin of A/D change-over circuits, and the P2.3 pin of the first single-chip microcomputer meet A/D
The DAT pin of change-over circuit, the P2.4 pin of the first single-chip microcomputer connect the CS pin of A/D change-over circuits；The P1.2 pin of first single-chip microcomputer connect nothing
The CS pin of line transmitter module；The P1.3 pin of first single-chip microcomputer connect the SCK pin of wireless transmitter module；The P1.4 pin of first single-chip microcomputer connect
The MISO pin of wireless transmitter module；The P1.5 pin of first single-chip microcomputer connect the IRQ pin of wireless transmitter module；The P1.6 of first single-chip microcomputer
Pin connects the MOSI pin of wireless transmitter module；The P1.7 pin of first single-chip microcomputer connect the CSN pin of wireless transmitter module；Second singlechip
P2.1 pin connect the SCK pin of wireless receiving module, and the P2.2 pin of second singlechip connect the MISO pin of wireless receiving module, the second monolithic
The P0.1 mouths device taking alarm of machine, the P0.0 mouths of second singlechip connect electromagnetic brake；The P1.0 pin of second singlechip connect D/A conversion electricity
The DIN pin on road, the P1.1 pin of second singlechip connect the SCLK pin of D/A change-over circuits, and the P1.2 pin of second singlechip connect D/A conversions
The CS pin of circuit；The OUT pin of D/A change-over circuits connect the AIN pin of power amplification circuit；Voltage reference integrated chip REF5020 is
D/A converter provides 2. 048V reference voltage, and voltage reference integrated chip REF5020 passes through pin VOUT and D/A converter
Pin REFIN be connected；An electric capacity is connected between voltage reference integrated chip REF5020 VIN pin and GNC pin and connects D/
The DOUT pin of A converters；The sowing signal collected is converted to analog current signal, current signal by the signal pickup assembly
Amplified to be converted into voltage signal, voltage signal exports DC voltage after amplifying again, A/D change-over circuits turn DC voltage value
Digital data transmission is changed to send signal to the first single-chip microcomputer, the first single-chip microcomputer control wireless transmitter module；Wireless receiving mould
After block receives the signal from wireless transmitter module, the signal received is formed into control signal by second singlechip, controlled
Signal is amplified by power amplification circuit again after D/A change-over circuits are converted to analog voltage signal, is sent alarm control to and is opened
Close, disconnect alarm controlling switch, alarm is not alarmed；Wireless receiving module is not received by from wireless transmitter module
Signal, second singlechip conducting alarm controlling switch, alarm send alarm and control electromagnetic brake action braking seeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610252883.4A CN105900569B (en) | 2016-04-22 | 2016-04-22 | The kind material control device of full-automatic corn seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610252883.4A CN105900569B (en) | 2016-04-22 | 2016-04-22 | The kind material control device of full-automatic corn seeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105900569A CN105900569A (en) | 2016-08-31 |
| CN105900569B true CN105900569B (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610252883.4A Expired - Fee Related CN105900569B (en) | 2016-04-22 | 2016-04-22 | The kind material control device of full-automatic corn seeder |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502488Y (en) * | 2001-11-06 | 2002-07-31 | 黑龙江省勃农机械有限责任公司 | Electronic monitor for seeding of seeder |
| CN103744125A (en) * | 2013-12-17 | 2014-04-23 | 上海兰宝传感科技股份有限公司 | AC/DC opposite-emission photoelectric sensor |
| RU2573765C1 (en) * | 2014-10-13 | 2016-01-27 | Федеральное государственное бюджетное научное учреждение Всероссийский научно-исследовательский институт механизации сельского хозяйства (ФГБНУ ВИМ) | Device for automatic adjustment of technological processes of agricultural machine |
| CN104601235A (en) * | 2014-12-31 | 2015-05-06 | 青岛黄海学院 | Audio signal visible light transmitting device |
| CN205103614U (en) * | 2015-10-26 | 2016-03-23 | 山西农业大学 | Quick -witted intelligent monitoring device is broadcast to little seed grain essence |
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2016
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| CN105900569A (en) | 2016-08-31 |
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