CN107876391A - A kind of grain cleaning and percentage of impurity monitoring device and its control method - Google Patents
A kind of grain cleaning and percentage of impurity monitoring device and its control method Download PDFInfo
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- CN107876391A CN107876391A CN201711304484.9A CN201711304484A CN107876391A CN 107876391 A CN107876391 A CN 107876391A CN 201711304484 A CN201711304484 A CN 201711304484A CN 107876391 A CN107876391 A CN 107876391A
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- cereal
- impurity
- percentage
- frame
- monitoring device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/30—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
- A01F12/446—Sieving means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of grain cleaning and percentage of impurity monitoring device and its control method, it is related to agricultural machinery technological field, including moving back and forth frame mechanism and being installed on the sorting mechanism moved back and forth on frame mechanism, wedge belt both ends coordinate with driving wheel and driven pulley respectively, form belt mechanism, two belt mechanisms be arranged in parallel, connected between two driving wheels between two driven pulleys by roller bearing, and it is rotatablely connected to reciprocating motion frame mechanism, the band body above with two wedge belts is connected respectively for soft screen cloth both sides, servomotor, which is fixed on, to be moved back and forth on frame mechanism, its output shaft is connected with any driving wheel, form sorting mechanism.The present invention is screened by moving back and forth frame mechanism and sorting mechanism to discharging opening cereal, preferably cereal and impurity are separated, the higher grain screening of purity can also be delivered to debris weighing device to cereal weighing device and by impurity, so as to detect the percentage of impurity of cereal, to carry out feedback regulation.
Description
Technical field
The present invention relates to agricultural machinery technological field, and in particular to a kind of to monitor for grain cleaning and cereal percentage of impurity
Device and its control method.
Background technology
It is related at present for the domestic monitoring to cleaning plant transaction capabilities for cleaning percentage of impurity real-time monitoring device
Intellectualized technology research is concentrated mainly in the monitoring of seed cleaning loss, without considering that another important performance refers to
Mark --- seed percentage of impurity.And the sorting performance for being introduced for understanding and cleaning machinery of seed percentage of impurity, by understanding containing miscellaneous
Rate judges to clean whether machinery meets design original intention, and the introducing of intellectual technology greatly shortens the workload of people.Therefore
It is of good performance that to clean mechanical percentage of impurity automated watch-keeping facility be the premise for realizing cleaning plant job parameter Self Adaptive Control.
At present, clean the monitoring of percentage of impurity mainly by manually sieve it is miscellaneous after be calculated, though monitoring result is relatively defined
Really, but monitoring efficiency is very low, and human cost is high.Therefore, the monitoring method based on Computer Vision and spectrometer is arisen at the historic moment.
By patent retrieval, following known technical scheme be present：
Patent 1：
Application number：201510095727.1 the applying date：2015-03-04, authorized announcement date：2015-07-01, the present invention
It is related to a kind of combined harvester adaptively to clean control device and its adaptively clean method, including backhaul plate, sorting screen, clean
Centrifugal blower, miscellaneous remaining collection screw feeder, seed collect screw feeder, clean grain loss monitoring sensor, and tanker seed percentage of impurity is automatic
Monitoring device and on-line monitoring and control system.On-line monitoring and control system with clean grain loss monitoring sensor, under shake
Dynamic sieve driving hydraulic motor, tanker seed percentage of impurity automated watch-keeping facility, the adjustable fish scale sieve of aperture power-driven mechanism,
Centrifugal blower power-driven mechanism is cleaned, air inlet of centrifugal fan opening adjustment mechanism is cleaned, cleans centrifugal blower split-wind plate angle
Degree governor motion is connected.Can be according to the various works of operation quality adjust automatically in operation process using the cleaning plant of the present invention
Make parameter, while production efficiency is improved, by fault rate control within the specific limits, while substantially increase complete machine without reason
Hinder the working time.
Though the monitoring method realizes automatic monitoring substantially, its image obtained is only the figure on mixture surface
Picture, and be to need to be investigated by the weight of the Shape Prediction debris of debris, overall accuracy.
Patent 2：
Application number：201510095742.1 the applying date：2015-03-04, authorized announcement date：2017-03-01, the present invention
It is related to a kind of combined harvester and cleans percentage of impurity adaptive controller and adaptive cleaning method, including backhaul plate, sorting screen,
Miscellaneous remaining collection screw feeder, seed collect screw feeder, clean grain loss monitoring sensor, clean centrifugal blower and tanker seed percentage of impurity
Automated watch-keeping facility, line Monitoring and control system, multiple duct cleaning plant job state on-line monitoring and control system are adopted in real time
Collection tanker seed percentage of impurity, clean air outlet split-wind plate inclination angle, lip(ped) sieve aperture, rotation speed of fan, shaker vibration under centrifugation wind
Frequency, corresponding control signal is exported in real time acts on air outlet split-wind plate inclination angle under the cleaning fan of multiple duct cleaning plant and adjust
Save mechanism, vibratory sieve fish scale sieve opening adjustment mechanism, shaker vibration frequency adjustment mechanism and rotation speed of fan governor motion
In drive device, the various running parameters of operation quality adjust automatically, and the fault-free work of production efficiency and complete machine can be significantly improved
Make the time.
The percentage of impurity of cleaning that the monitoring method is applied to the rice-wheat combine harvester of farm work monitors, but due to the device
In tanker, it can not in real time estimate and then judge predictablity rate.
Patent 3：
Application number：201610846936.5 the applying date：2016-09-26, authorized announcement date：2017-02-08, the present invention relate to
And a kind of cleaning plant running parameter can automatic adjusument combined harvester, including the second detachment roller, seed entrainment loss
Monitoring system, seed cleaning loss monitoring system, sorting screen, the adjustable cleaning fan of rotating speed, the first detachment roller, seed is containing miscellaneous
Rate, percentage of damage monitoring device and TT＆C system.TT＆C system can control opening for fish scale sieve in real time according to the Controlling model of foundation
Rotating speed and the fish scale sieve inclination angle of centrifugal blower are spent, clean, so that combined harvester is operated in compass screen surface uniform load, seed cleaning
Loss late, the minimum optimal job state of tanker seed percentage of impurity.Can be according to operation using the combined harvester of the present invention
The various running parameters of operation quality adjust automatically in journey, while production efficiency is improved, fault rate is controlled in certain model
In enclosing, while substantially increase the time between failures and adaptability of complete machine.
Though the monitoring method realizes substantially cleans percentage of impurity automatic monitoring based on spectrometer, based on debris
Spectral characteristic indirectly predicts the weight of debris, and accuracy needs to be investigated, while the device is handled based on black box, it is difficult to meet room
The Real Time Observation of interior Cleaning Testing Platform cleans the needs of percentage of impurity monitoring situation.
Through the above search, it has been found that above technical scheme does not influence the novelty of the present invention；And above patent text
Part is mutually combined the creativeness for not destroying the present invention.
The content of the invention
The present invention is precisely in order to avoid the weak point present in above-mentioned prior art, there is provided a kind of grain cleaning and contains
Miscellaneous rate monitoring device and its control method.
The present invention adopts the following technical scheme that to solve technical problem：A kind of grain cleaning and percentage of impurity monitoring device, bag
Include the frame for support, in addition to horizontally reciprocating reciprocating motion frame mechanism and be installed on the reciprocating motion frame
Sorting mechanism in mechanism, wedge belt both ends coordinate with driving wheel and driven pulley respectively, form belt mechanism, two belt mechanisms
It is arranged in parallel, is connected between two driving wheels between two driven pulleys by roller bearing, and is rotatablely connected to the reciprocating motion
On frame mechanism, the band body above with two wedge belts is connected respectively for soft screen cloth both sides, and servomotor passes through supporting plate
It is fixed on the reciprocating motion frame mechanism, its output shaft is connected with any driving wheel, forms the sorting mechanism；Cereal is weighed
Device and debris weighing device are respectively arranged on immediately below the sorting mechanism and sorting mechanism motion terminad lower section.
Further, the side frame upper and lower surface of reciprocating motion frame two of box shape structure respectively sets a chute, crank connecting link one
End is connected to the reciprocating motion frame side frame, and the other end is connected with reducing motor output shaft, forms the reciprocating motion frame mechanism；
Biside plate is symmetrically set in the reciprocating motion frame both sides and supported by leg, is highly fixedly held in same level on the side plate
Few two small axles, and bearing is set in small shaft end, each bearing is embedded in corresponding chute, and the reciprocating motion frame is limited
Position and support.
Further, the reciprocating motion frame two side frame upper surface respectively sets a chute, and relative set at least two is embedding
The small axle of the bearing is connected together in the bearing in the reciprocating motion side frame upper surface chute of frame two and at least two supports.
Further, the length of the soft screen cloth is not more than the distance between the driving wheel and the driven pulley.
Further, in addition to it is used for the host computer for showing and storing and the controller for control, host computer is with controlling
Device is connected in a manner of serial communication, and controller drive module is connected with reducing motor and servomotor, and passes through drive module control
Reducing motor and servomotor work processed；Controller passes through data signal interfaces and cereal weighing device and debris weighing device number
According to connection.
A kind of control method of grain cleaning and percentage of impurity monitoring device, comprises the following steps：
S1, discharging opening is opened, cereal discharging opening closes discharging opening after cereal is delivered on soft screen cloth, meanwhile, it is upper
Machine sends enabled instruction, and controller control reducing motor starts；
S2, reducing motor drive reciprocating motion frame horizontally to move back and forth by crank connecting link, by cereal and impurity point
From, and cereal is fallen into cereal weighing device；
Break-off after S3, reducing motor work 10 seconds, controller control servomotor drive wedge belt to turn clockwise
Dynamic half cycle, the impurity for making to isolate on soft screen cloth fall into debris weighing device；
S4, controller control servomotor drive wedge belt to rotate counterclockwise half cycle reset；
S5, cereal weighing device and debris weighing device claim respectively cereal and debris weight, and feed data back to
Controller, controller calculate according to the weight of cereal and the weight of debris and clean percentage of impurity, and will clean percentage of impurity data biography
Host computer is transported to, is shown by host computer and is stored；
S6, grain cleaning and percentage of impurity monitoring device complete one action process and perform S1, and entrance is next time worked
Journey, until host computer sends END instruction, circulation terminates.
7th, the control method of a kind of grain cleaning according to claim 6 and percentage of impurity monitoring device, its feature exist
In：In the S5, weight/(weight of weight+debris of cereal) of percentage of impurity=cereal is cleaned.
The invention provides a kind of grain cleaning and percentage of impurity monitoring device and its control method, has below beneficial to effect
Fruit：
1st, discharging opening cereal can not only be screened by moving back and forth frame mechanism and sorting mechanism, preferably by cereal
Separated with impurity, moreover it is possible to debris weighing device is delivered to by the higher grain screening of purity to cereal weighing device and by impurity,
So as to detect the percentage of impurity of cereal, to carry out feedback regulation；
2nd, the assembling that frame mechanism uses bearing runner to coordinate is moved back and forth, stability is good and abrasion is smaller.
3rd, it is simple in construction, it can realize that monitoring feedback, practicality are good in real time.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is frame of the present invention and the structural representation for moving back and forth frame mechanism；
Fig. 4 is the structural representation of frame of the present invention；
Fig. 5 is the assembling structure schematic diagram of chute of the present invention and bearing；
Fig. 6 is the top view that the present invention moves back and forth frame；
Fig. 7 is the sectional view for the top view that the present invention moves back and forth frame；
Fig. 8 is the structural representation of sorting mechanism of the present invention；
In figure：
1st, frame, 11, leg, 12, side plate, 13, small axle, 14, bearing；2nd, move back and forth frame mechanism, 21, move back and forth
Frame, 22, chute, 23, reducing motor, 24, crank connecting link, 25, supporting plate, 26, servomotor；3rd, sorting mechanism, 31, actively
Wheel, 32, driven pulley, 33, wedge belt, 34, soft screen cloth；4th, cereal weighing device；5th, debris weighing device.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
As shown in Fig. 1~Fig. 8, its structural relation is：Including the frame 1 for support, in addition to horizontally reciprocal fortune
Dynamic reciprocating motion frame mechanism 2 and be installed on the sorting mechanism 3 moved back and forth on frame mechanism 2, the both ends of wedge belt 33 respectively with
Driving wheel 31 and driven pulley 32 coordinate, and form belt mechanism, and two belt mechanisms be arranged in parallel, between two driving wheels 31 and two
Connected, and be rotatablely connected to moving back and forth on frame mechanism 2 by roller bearing between driven pulley 32, the soft both sides of screen cloth 34 are respectively with two
The band body connection above of individual wedge belt 33, servomotor 26 is fixed on by supporting plate 25 to be moved back and forth on frame mechanism 2,
Its output shaft is connected with any driving wheel 31, forms sorting mechanism 3；Cereal weighing device 4 and debris weighing device 5 are respectively arranged on
Moved immediately below sorting mechanism 3 with sorting mechanism 3 below terminad.
Preferably, 21 liang of side frame upper and lower surfaces of the reciprocating motion frame of box shape structure respectively set a chute 22, crank connecting link
24 one end, which are connected to, moves back and forth the side frame of frame 21, and the other end exports axis connection with reducing motor 23, forms and moves back and forth frame mechanism
2；Biside plate 12, which is symmetrically set in, to be moved back and forth the both sides of frame 2 and is supported by leg 11, highly fixed in same level on side plate 12
At least two small axles 13, and bearing 14 is set in the small end of axle 13, each bearing 13 is embedded in corresponding chute 22, to moving back and forth
Frame 21 carries out spacing and support.
Preferably, 21 liang of side frame upper surfaces of frame are moved back and forth and respectively set a chute 22, and relative set at least two is chimeric
In the small axle 13 for moving back and forth the support connection bearing 14 of the bearing 13 and at least two in 21 liang of side frame upper surface chutes 22 of frame.
Preferably, the length of soft screen cloth 34 is not more than the distance between driving wheel 31 and driven pulley 32.
Preferably, in addition to the controller for the host computer that shows and store and for control, host computer and controller
Connected in a manner of serial communication, controller drive module is connected with reducing motor 23 and servomotor 26, and passes through drive module
Control reducing motor 23 and servomotor 26 work；Controller is claimed by data signal interfaces and cereal weighing device 4 and debris
5 data communications are put in refitting.
Its control method, comprises the following steps：
S1, discharging opening are opened, and after cereal is delivered on soft screen cloth by cereal discharging opening, discharging opening is closed, host computer hair
Go out enabled instruction, controller control reducing motor starts；
S2, reducing motor drive reciprocating motion frame horizontally to move back and forth by crank connecting link, by cereal and impurity point
From, and cereal is fallen into cereal weighing device；
Break-off after S3, reducing motor work 10 seconds, controller control servomotor drive wedge belt to turn clockwise
Dynamic half cycle, the impurity for making to isolate on soft screen cloth fall into debris weighing device；
S4, controller control servomotor drive wedge belt to rotate counterclockwise half cycle reset；
S5, cereal weighing device and debris weighing device claim respectively cereal and debris weight, and feed data back to
Controller, controller calculate according to the weight of cereal and the weight of debris and clean percentage of impurity, and will clean percentage of impurity data biography
Host computer is transported to, is shown by host computer and is stored；
S6, grain cleaning and percentage of impurity monitoring device complete one action process and perform S1, and entrance is next time worked
Journey, until host computer sends END instruction, circulation terminates.
Preferably, in S5, weight/(weight of weight+debris of cereal) of percentage of impurity=cereal is cleaned.
In watering and separation procedure, controller can also be passed through PWM work(by the opening and closing of discharging opening by manual control
The electric pushrod of rate output connection discharging opening, is controlled with the opening and closing to discharging opening.Detailed process is：Open discharging
During mouth, host computer issues instructions to controller, driving electric pushrod elongation, opens discharging opening；When closing discharging opening, host computer hair
Go out instruction to shrink to controller, driving electric pushrod, close discharging opening.
In actual monitoring, at present mainly by manually sieving miscellaneous and being calculated and clean percentage of impurity data, though monitoring knot
Fruit is more accurate, but monitoring efficiency is very low, and human cost is high.Though the monitoring method based on Computer Vision realizes certainly substantially
Dynamicization monitors, but its image obtained is only the image on mixture surface, and overall accuracy needs to be investigated.
That sieves miscellaneous monitoring, the monitoring method based on Computer Vision and the present invention manually cleans percentage of impurity experimental data such as
Shown in table 1：
Table 1 cleans the percentage of impurity table of comparisons
From above-mentioned data, compared to the monitoring method based on Computer Vision, detection method of the invention and hand
The dynamic miscellaneous monitoring of sieve cleans percentage of impurity result more closely, monitoring error is smaller, while realizes automatic monitoring, greatly improves
Monitoring efficiency, reduces human cost.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a kind of grain cleaning and percentage of impurity monitoring device, including the frame (1) for support, it is characterised in that：Also include edge
Level is to reciprocating reciprocating motion frame mechanism (2) and is installed on the sorting mechanism moved back and forth on frame mechanism (2)
(3), wedge belt (33) both ends coordinate with driving wheel (31) and driven pulley (32) respectively, form belt mechanism, two belt mechanisms
It is arranged in parallel, is connected between two driving wheels (31) between two driven pulleys (32) by roller bearing, and is rotatablely connected to described
Moving back and forth on frame mechanism (2), soft screen cloth (34) both sides are connected with two wedge belt (33) band bodies above respectively,
Servomotor (26) is fixed on the reciprocating motion frame mechanism (2) by supporting plate (25), its output shaft and any driving wheel
(31) it is connected, forms the sorting mechanism (3)；Cereal weighing device (4) and debris weighing device (5) are respectively arranged on the screening
Immediately below mechanism (3) and below the sorting mechanism (3) motion terminad.
2. a kind of grain cleaning according to claim 1 and percentage of impurity monitoring device, it is characterised in that：Box shape structure
Move back and forth the side frame upper and lower surface of frame (21) two and respectively set a chute (22), crank connecting link (24) one end is connected to the reciprocal fortune
Moving frame (21) side frame, the other end and reducing motor (23) output axis connection, form the reciprocating motion frame mechanism (2)；Biside plate
(12) reciprocating motion frame (2) both sides are symmetrically set in and are supported by leg (11), in same level on the side plate (12)
Highly fixed at least two small axle (13), and bearing (14) is set in small axle (13) end, each bearing (13) is embedded in corresponding cunning
In groove (22), spacing and support is carried out to the reciprocating motion frame (21).
3. a kind of grain cleaning according to claim 2 and percentage of impurity monitoring device, it is characterised in that：The reciprocating motion
The side frame upper surface of frame (21) two respectively sets a chute (22), and relative set at least two is embedded in the reciprocating motion frame (21)
Bearing (13) and at least two supports in two side frame upper surface chutes (22) connect the small axle (13) of the bearing (14).
4. a kind of grain cleaning according to claim 1 and percentage of impurity monitoring device, it is characterised in that：The soft screen cloth
(34) length is not more than the distance between the driving wheel (31) and the driven pulley (32).
5. a kind of grain cleaning according to claim 1 and percentage of impurity monitoring device, it is characterised in that：Also include being used to show
Show and the host computer that stores and the controller for control, the host computer is connected with controller in a manner of serial communication, described
Controller drive module is connected with the reducing motor (23) and the servomotor (26), and is controlled by the drive module
The reducing motor (23) and the servomotor (26) work；The controller is claimed by data signal interfaces and the cereal
(4) and the debris weighing device (5) data communication is put in refitting.
6. the control method of a kind of grain cleaning and percentage of impurity monitoring device, it is characterised in that comprise the following steps：
S1, discharging opening is opened, cereal discharging opening closes discharging opening after cereal is delivered on soft screen cloth, meanwhile, host computer hair
Go out enabled instruction, controller control reducing motor starts；
S2, reducing motor drive reciprocating motion frame horizontally to move back and forth by crank connecting link, and cereal is separated with impurity, and
Cereal is set to fall into cereal weighing device；
Break-off after S3, reducing motor work 10 seconds, controller control servomotor drive wedge belt to rotate clockwise half
Week, the impurity for making to isolate on soft screen cloth fall into debris weighing device；
S4, controller control servomotor drive wedge belt to rotate counterclockwise half cycle reset；
S5, cereal weighing device and debris weighing device claim respectively cereal and debris weight, and feed data back to control
Device, controller calculates according to the weight of cereal and the weight of debris and cleans percentage of impurity, and will clean percentage of impurity data transfer extremely
Host computer, shown by host computer and stored；
S6, grain cleaning and percentage of impurity monitoring device complete one action process and simultaneously perform S1, into the course of work next time, directly
END instruction is sent to host computer, circulation terminates.
7. the control method of a kind of grain cleaning according to claim 6 and percentage of impurity monitoring device, it is characterised in that：Institute
State in S5, clean weight/(weight of weight+debris of cereal) of percentage of impurity=cereal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711304484.9A CN107876391A (en) | 2017-12-11 | 2017-12-11 | A kind of grain cleaning and percentage of impurity monitoring device and its control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711304484.9A CN107876391A (en) | 2017-12-11 | 2017-12-11 | A kind of grain cleaning and percentage of impurity monitoring device and its control method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870381A (en) * | 2019-02-22 | 2019-06-11 | 江苏大学 | Seed impurity content monitoring device in a kind of tanker |
| CN110347045A (en) * | 2019-07-26 | 2019-10-18 | 中国科学院合肥物质科学研究院 | Operating condition control method is cleaned based on split-wind plate angle, lip(ped) sieve aperture and rotation speed of fan |
| CN110900464A (en) * | 2019-12-10 | 2020-03-24 | 江苏鑫乾冷拉型钢有限公司 | Unloader that shot-blasting machine was used |
| CN113083062A (en) * | 2021-04-09 | 2021-07-09 | 浙江铁枫堂药业有限公司 | Beauty raw materials intelligence proportioning system based on dendrobium officinale |
| CN113857029A (en) * | 2021-08-25 | 2021-12-31 | 界首市汇鑫机械科技有限公司 | Combined environment-friendly cleaning sieve |
| CN115502077A (en) * | 2022-10-14 | 2022-12-23 | 金易通（天津）智能装备有限公司 | Self-cleaning non-blocking crossed roller screen device and screening method |
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