CN206042765U - A kind of SCM Based precision planter dispenser - Google Patents
A kind of SCM Based precision planter dispenser Download PDFInfo
- Publication number
- CN206042765U CN206042765U CN201621077497.8U CN201621077497U CN206042765U CN 206042765 U CN206042765 U CN 206042765U CN 201621077497 U CN201621077497 U CN 201621077497U CN 206042765 U CN206042765 U CN 206042765U
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- China
- Prior art keywords
- plc
- seeding
- seed
- control system
- sensor
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Abstract
The utility model discloses a kind of SCM Based precision planter dispenser，Velocity sensor、Displacement transducer is connected with shaping circuit by amplifying circuit，Shaping circuit is connected with PLC，PLC is connected with buncher by converter，PLC also respectively with electromagnetic switch、Photoswitch、Alarm device、Seed tray kind grain enumerator connects，Electromagnetic switch and Xi Zhong mechanisms、Hole-making machine structure connects，PLC controls Xi Zhong mechanisms by electromagnetic switch、Hole-making machine structure runs，Signal is fed back to seeding motor after seeding sensor detects seeding motor operation speed by PLC control system，PLC control system is connected with accelerometer，The speed of seeder is measured by accelerometer，PLC control system respectively with keyboard、LCD module、Alarm device connects，This utility model simple structure，Seeding control is accurate，Error is little，Work efficiency is improved，It is reliable and stable.
Description
Technical field
This utility model is related to technical field of single chip microcomputer, specifically a kind of SCM Based precision planter
Dispenser.
Background technology
Hole plate seedling growth is to realize one of key technology of precision planter industrial seedling rearing, is mainly used in fruit and vegerable, flowers, water
The essence such as rice quantifies seeding and seeding operation, has the advantages that to save elite seed consumption, emergence rate height and increasing both production and income.Essence amount is broadcast
In the feed mechanism for seed planted, seed is bulk forms, in order that seed equably can flow, needs to make seed overcome internal friction, from
And the separation between seed is realized, increase its mobility.Improve the mobility that seed is particularly small size seed, typically using machine
The form of tool vibration, makes seed produce " boiling " motion using exciting bank, reaches preferable seeding effect.But realize seeding
This process needs precise control, if being unable to self-adaptative adjustment, increases can seeding error, hole occurs, and some hole trays can
Multiple kinds of grains can be had, therefore can affect to sow effect, reduce work efficiency.
Therefore, design to overcome the shortcomings of above-mentioned technology that a seeding control is accurate, error is little, improve work effect
Rate, exactly reliable and stable a kind of SCM Based precision planter dispenser, inventor's problem to be solved.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of SCM Based precision planter row
Device is planted, its simple structure, seeding control are accurate, and error is little, and work efficiency is improved, reliable and stable.
This utility model solves the technical scheme adopted by its technical problem：A kind of SCM Based precision planter
Dispenser, which includes metering system, and the metering system includes discharge plate, plants case, seeding motor, feed mechanism for seed thumb wheel, seeding
Sensor, eccentric motor, PLC control system, the seeding motor are connected with feed mechanism for seed thumb wheel, and control feed mechanism for seed thumb wheel is rotated,
Kind of a case is provided with above the feed mechanism for seed thumb wheel, the feed mechanism for seed thumb wheel is provided below discharge plate, first-class of the discharge plate
Ground is provided with the disk hole of absorbed seed, the seeding sensor is arranged on the both sides up and down of discharge plate, the seeding sensor
Including light emitting diode, photoconductive resistance, the light emitting diode, photoconductive resistance same level are highly arranged on the two of discharge plate
Side；
The PLC control system includes PLC, velocity sensor, displacement transducer, alarm device, change
Frequency device, buncher, electromagnetic switch, the velocity sensor, displacement transducer are connected with shaping circuit by amplifying circuit, institute
State shaping circuit to be connected with PLC, the PLC is connected with buncher by converter,
The PLC is also connected with electromagnetic switch, photoswitch, alarm device, seed tray kind grain enumerator respectively, institute
State electromagnetic switch to be connected with Xi Zhong mechanisms, hole-making machine structure, the PLC inhales kind of a machine by electromagnetic switch control
Signal is fed back after seeding sensor detects seeding motor operation speed by structure, the operation of hole-making machine structure, the PLC control system
Discharge kind motor, the PLC control system are connected with accelerometer, measure the speed of seeder, the PLC by accelerometer
Control system is connected with keyboard, LCD module, alarm device respectively.
The beneficial effects of the utility model are：
1st, this utility model utilizes PLC control system and collecting sensor signal, controls feed mechanism for seed disk using micrometric displacement
Motion, makes seed reach preferable kinestate, so as to improve the adsorption efficiency of seed, enhances and inhales kind and seeding is stablized
Property.System response is rapid, and can be 0 by the error transfer factor of system at short notice, and hole rate, many rates and percentage of damage are low,
Control accuracy is high, reliable, practical.
Description of the drawings
Fig. 1 is this utility model feed mechanism for seed structural representation.
Fig. 2 is seeding and control system structured flowchart of this utility model based on PLC.
Fig. 3 is this utility model PLC system closed loop controlling structure block diagram.
Fig. 4 is this utility model seeding sensor circuit mounting structure schematic diagram.
Description of reference numerals：1- kind casees；2- feed mechanism for seed thumb wheels；3- seeding sensors；31- light emitting diodes；The photosensitive electricity of 32-
Resistance；4- eccentric motors；5- seeding motors；6- discharge plates；7- disk hole.
Specific embodiment
With reference to specific embodiment, this utility model is expanded on further, it should be appreciated that these embodiments are merely to illustrate this
Utility model rather than restriction scope of the present utility model.In addition, it is to be understood that in the content for having read this utility model instruction
Afterwards, those skilled in the art can be made various changes or modifications to this utility model, and these equivalent form of values also fall within application
Appended claims limited range.
It is this utility model feed mechanism for seed structural representation referring to Fig. 1, is this utility model seeding sensor circuit referring to Fig. 4
Mounting structure schematic diagram, a kind of SCM Based precision planter dispenser of the structure, including metering system, metering system
Including discharge plate 6, case 1, seeding motor 5, feed mechanism for seed thumb wheel 2, seeding sensor 3, eccentric motor 4, PLC control system are planted, row
Plant motor 5 to be connected with feed mechanism for seed thumb wheel 2, control feed mechanism for seed thumb wheel 2 is rotated, and kind of case 1, seeding are provided with above feed mechanism for seed thumb wheel 2
Device thumb wheel 2 is provided below discharge plate 6, and the disk hole 7 of absorbed seed is equally spaced on discharge plate 6, and seeding sensor 3 sets
Put in the both sides up and down of discharge plate 6, seeding sensor 3 includes light emitting diode 31, photoconductive resistance 32, light emitting diode 31, light
32 same level of quick resistance is highly arranged on the both sides of discharge plate 6.
It is seeding and control system structured flowchart of this utility model based on PLC referring to Fig. 2, is this utility model referring to Fig. 3
PLC system closed loop controlling structure block diagram, PLC control system include PLC, velocity sensor, displacement transducer,
Alarm device, converter, buncher, electromagnetic switch, velocity sensor, displacement transducer pass through amplifying circuit and shaping circuit
Connection, shaping circuit are connected with PLC, and PLC is connected with buncher by converter,
PLC is also connected with electromagnetic switch, photoswitch, alarm device, seed tray kind grain enumerator respectively, and electromagnetism is opened
Pass is connected with Xi Zhong mechanisms, hole-making machine structure.PLC controls Xi Zhong mechanisms, hole-making machine structure fortune by electromagnetic switch
OK, signal is fed back to seeding motor after seeding sensor detects seeding motor operation speed by P, PLC control system with plus
Velometer connects, and measures the speed of seeder by accelerometer, and PLC control system is respectively with keyboard, LCD module, reporting to the police fills
Put connection.
Before precision drilling, certain seed spacing is set using PLC control system, to realize smart quantified controlling.Broadcast
When the machine of kind carries out seeding operation, the seeding motor of PLC control seeders is rotated, so as to the seed that fluctuates；Seed is through seed metering guide tube
When be detected, PLC by analyze obtain seeding speed, the movement velocity of seeder can be obtained using accelerometer, so as to
Obtain seed spacing.
The object of PLC major control includes converter, buncher, electromagnetic switch, speed and displacement
Sensor etc..When displacement and rate signal are sent to PLC by sensor acquisition, PLC sends electromagnetic switch
Break-make instruction, realize the Automated condtrol of seeder.Can be with Synchronization Control hole-making machine structure, suction using PLC
Discharge plate and hole tray, plant and precision drilling so as to realize putting cave.Realize playing cave operation using electromagnetic switch, its operation structure is rolling
Die pressing type；Hole tray continues motion, and the electromagnetic switch of Xi Zhong mechanisms completes to inhale kind of an operation；Can touch when hole tray is moved to puts kind of position
Encounter travel switch, hole tray stops immediately, relief valve starts to put kind after connecting, so as to realize precision drilling.The process can have PLC
The range of information of the speed, acceleration and feed mechanism for seed of system feedback seeding motor, realizes that the closed loop of seeding and control system is adjusted.
PLC control system obtains acceleration signal using sensor acquisition, integrates out rate signal, then using feed mechanism for seed
In seeding sensor acquisition obtain the signal of flow rate, last PLC control system is by analyzing seeding speed and seeder
Speed obtains the interval of seeding, and which is contrasted with seeding spacing set in advance, the feedback regulation of seeding motor is realized.Profit
The rotating speed of motor can be changed with the frequency of PLC frequency conversion control motors, the output speed of seed is adjusted.When feed mechanism for seed obstruction, pass
When sensor long-time can't detect seeding signal, PLC control system control eccentric motor produces vibration；If the also row of can't detect
When planting, alarm signal is sent.
The monitoring of feed mechanism for seed stopping state includes the emptying and blocking of feed mechanism for seed.The emptying of feed mechanism for seed is referred in seeding box
Seed drain, passes through without kind of a grain in grain conductor；The obstruction of feed mechanism for seed refers to that grain conductor is blocked by seed.By high brightness luminous two
Pole pipe is arranged on the bottom of seed metering guide tube, when seed is through bottom, due to having blocked the light in a part of photoconductive resistance, resistance
Value changes, such that it is able to predict emptying and the congestion situations of feed mechanism for seed.
Sensor butted up against into the both sides of feed mechanism for seed, because disk hole is to determine through the order of sensor, therefore will not
There is the interval of the problem that two seeds are overlapped, disk space and disk hole when sensor, the change in resistance of photoconductive resistance also phase
To rule, this easily facilitates seed tray kind grain enumerator and is counted.
This utility model utilizes PLC control system and collecting sensor signal, controls the fortune of feed mechanism for seed disk using micrometric displacement
It is dynamic, make seed reach preferable kinestate, so as to improve the adsorption efficiency of seed, enhance and inhale kind and seeding is stablized
Property.System response is rapid, and can be 0 by the error transfer factor of system at short notice, and hole rate, many rates and percentage of damage are low,
Control accuracy is high, reliable, practical.
Claims (1)
1. a kind of SCM Based precision planter dispenser, it is characterised in that：Which includes metering system, the seeding system
System includes discharge plate, plants case, seeding motor, feed mechanism for seed thumb wheel, seeding sensor, eccentric motor, PLC control system, the row
Plant motor to be connected with feed mechanism for seed thumb wheel, control feed mechanism for seed thumb wheel is rotated, and kind of a case, the row are provided with above the feed mechanism for seed thumb wheel
Plant device thumb wheel and discharge plate is provided below, on the discharge plate, be equally spaced the disk hole of absorbed seed, the seeding is passed
Sensor is arranged on the both sides up and down of discharge plate, and the seeding sensor includes light emitting diode, photoconductive resistance, the light-emitting diodes
Pipe, photoconductive resistance same level are highly arranged on the both sides of discharge plate；
The PLC control system include PLC, velocity sensor, displacement transducer, alarm device, converter,
Buncher, electromagnetic switch, the velocity sensor, displacement transducer are connected with shaping circuit by amplifying circuit, described whole
Shape circuit is connected with PLC, and the PLC is connected with buncher by converter, described
PLC is also connected with electromagnetic switch, photoswitch, alarm device, seed tray kind grain enumerator respectively, the electricity
Magnetic switch is connected with Xi Zhong mechanisms, hole-making machine structure, and the PLC is controlled Xi Zhong mechanisms, beaten by electromagnetic switch
Cave mechanism runs, and signal is fed back discharge after seeding sensor detects seeding motor operation speed by the PLC control system
Motor is planted, the PLC control system is connected with accelerometer, the speed of seeder, the PLC controls are measured by accelerometer
System is connected with keyboard, LCD module, alarm device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621077497.8U CN206042765U (en) | 2016-09-22 | 2016-09-22 | A kind of SCM Based precision planter dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621077497.8U CN206042765U (en) | 2016-09-22 | 2016-09-22 | A kind of SCM Based precision planter dispenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206042765U true CN206042765U (en) | 2017-03-29 |
Family
ID=58366493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621077497.8U Expired - Fee Related CN206042765U (en) | 2016-09-22 | 2016-09-22 | A kind of SCM Based precision planter dispenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206042765U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961877A (en) * | 2017-05-10 | 2017-07-21 | 黄勇 | A kind of vegetable seeds screening plant |
| CN108513768A (en) * | 2018-04-18 | 2018-09-11 | 河南科技大学 | A kind of automatic weeding and seeding apparatus |
| CN110663319A (en) * | 2019-11-21 | 2020-01-10 | 西南大学 | Seed manure mixes seeder |
-
2016
- 2016-09-22 CN CN201621077497.8U patent/CN206042765U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961877A (en) * | 2017-05-10 | 2017-07-21 | 黄勇 | A kind of vegetable seeds screening plant |
| CN108513768A (en) * | 2018-04-18 | 2018-09-11 | 河南科技大学 | A kind of automatic weeding and seeding apparatus |
| CN110663319A (en) * | 2019-11-21 | 2020-01-10 | 西南大学 | Seed manure mixes seeder |
| CN110663319B (en) * | 2019-11-21 | 2021-07-27 | 西南大学 | Seed manure mixes seeder |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180922 |