CN106861898A - The control method and device of separator - Google Patents
The control method and device of separator Download PDFInfo
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- CN106861898A CN106861898A CN201710103750.5A CN201710103750A CN106861898A CN 106861898 A CN106861898 A CN 106861898A CN 201710103750 A CN201710103750 A CN 201710103750A CN 106861898 A CN106861898 A CN 106861898A
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- Prior art keywords
- bottom valve
- opening value
- separator
- target opening
- image information
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B13/00—Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using physical effects
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- Feedback Control In General (AREA)
Abstract
The invention discloses a kind of control method and device of separator.Wherein, the method includes：The image information and the operational factor of separator of the suspension in collection separator；The target opening value scope of the bottom valve of separator is obtained according to image information or operational factor；Control bottom valve movement, so that the opening value of bottom valve is within the scope of target opening value.The present invention is solved separator of the prior art and the accuracy of the stabilization at ebullated bed and interface technical problem not high is kept using manual adjustment bottom valve aperture.
Description
Technical field
The present invention relates to separation equipment field, in particular to a kind of control method and device of separator.
Background technology
Admittedly Gu separation equipment is inverted cone shape transparent vessel.It is added continuously by including two kinds of solids in upper feed inlet
The suspension slurry of grain.Bottom is continuously injected into clear water from water inlet by certain speed, due to two kinds of solid particles sediment speed not
Together, under the conditions of certain rising water speed, large granular materials are moved down sinking speed faster, by bottom valve from bottom discharging
Outflow, the less particle of sinking speed is moved up, and is finally flowed out from overfall, so as to realize separating admittedly.
Large granular materials are generally crystal, and small particles material is hydroxide.The size of sinking speed depends on particle
Size, shape and density, granularity is the principal element for influenceing sinking speed herein.
When bottom valve standard-sized sheet, crystal sedimentation is very fast, and easily from bottom discharge.The sedimentation of crystal belongs to hindered falling, pole
Easily form stream stock and larger back-mixing occur.The concentration gradient of crystal and hydroxide in post is smaller, the crystalline substance of bottom discharge
Body carries more hydroxide, and separative efficiency is extremely low.
When bottom valve aperture is gradually reduced, the discharge of crystal grain is obstructed, and can be gathered in bottom and the formation one of cylinder
Concentrated phase region, further forms a Fludized boiling bed.Ebullated bed top is dilute-phase zone, and material contained by the region is mainly hydrogen
Oxide, and the more crystal of rapid decrease.The intersection of concentrated phase and dilute phase is interface.
When valve opening is a desired value, the height at interface is stable.Intensifying valve aperture, concentrated phase area crystalline density
Reduce, interface declines, the hydroxide taken away by crystal increases；Reduce valve opening, concentrated phase area crystalline density increases, on interface
Rise, the crystal taken away by hydroxide increases.Valve opening is excessive or too small, and separative efficiency can all declined.
The concentration of mineral slurry flux, crystal into Disengagement zone, the size of crystal, the change of bottom confluent can change boiling
Rise the stabilization at bed and interface.In order to maintain the stabilization and interfacial level of ebullated bed constant, in the prior art by artificial constantly regulate
The aperture of bottom valve, so as to ensure the stabilization at ebullated bed and interface, but manual adjustment not only accuracy is not high and greatly increases
Cost of labor.
For above-mentioned problem, effective solution is not yet proposed at present.
The content of the invention
A kind of control method and device of separator are the embodiment of the invention provides, at least to solve of the prior art point
The technical problem for keeping the accuracy of the stabilization at ebullated bed and interface not high using manual adjustment bottom valve aperture from device.
A kind of one side according to embodiments of the present invention, there is provided control method of separator, including：Collection separator
In suspension image information and the operational factor of separator；The bottom valve of separator is obtained according to image information or operational factor
Target opening value scope；Control bottom valve movement, so that the opening value of bottom valve is within the scope of target opening value.
Further, the target opening value scope that the bottom valve of separator is obtained according to image information or operational factor includes：
The position of the separating interface of suspension is determined according to image information, wherein, separating interface is concentrated phase and dilute phase in suspension
Interface；Determine the position of separating interface relative to the direction between preset target position and distance；In preset relation list
Search with direction and apart from corresponding target opening value scope.
Further, the position of the separating interface of suspension is determined according to image information to be included：In extraction image information
Video image characteristic；Gray proces are carried out to video image characteristic, the video image characteristic after being processed；According to the treatment
Video image characteristic afterwards determines the position of separating interface.
Further, the target opening value scope that the bottom valve of separator is obtained according to image information or operational factor includes：
Operational factor is calculated according to preset formula, the target opening value of bottom valve is obtained, wherein, preset formula is K=4Lsin (α/2)
[(Lsinα)/2+D]/D2, K is target opening value, and L is the displacement of bottom valve, and α is the angle value of the cone angle of bottom valve, and D
It is the base diameter of the valve seat matched with bottom valve.
Further, control bottom valve movement, so that the opening value of bottom valve includes within the scope of target opening value：Obtain mesh
Target opening value within the scope of mark opening value；Target opening value is converted to the rotational parameters of motor；Driven by rotational parameters
Dynamic motor control bottom valve movement.
Another aspect according to embodiments of the present invention, additionally provides a kind of control device of separator, including：Collection is single
Unit, for gathering the image information of the suspension in separator and the operational factor of separator；Acquiring unit, for according to image
Information or operational factor obtain the target opening value scope of the bottom valve of separator；Control unit, for controlling bottom valve to move, so that
The opening value of bottom valve is within the scope of target opening value.
Further, acquiring unit includes：First determination subelement, the separation for determining suspension according to image information
The position at interface, wherein, separating interface is the concentrated phase and the interface of dilute phase in suspension；Second determination subelement, for true
The position of separating interface is determined relative to the direction between preset target position and distance；Subelement is searched, in preset relation
Searched with direction and apart from corresponding target opening value scope in list.
Further, the first determination subelement includes：Extraction module, it is special for extracting the video image in image information
Levy；Processing module, for carrying out gray proces to video image characteristic, the video image characteristic after being processed；Determining module,
Position for determining the separating interface according to the video image characteristic after the treatment.
Further, acquiring unit includes：Computation subunit, for calculating operational factor according to preset formula, obtains on earth
The target opening value of valve, wherein, preset formula is K=4Lsin (α/2) [(Lsin α)/2+D]/D2, K is target opening value, L
It is the displacement of bottom valve, α is the angle value of the cone angle of bottom valve, and the base diameter that D is the valve seat matched with bottom valve.
Further, control unit includes：Subelement is obtained, for obtaining the target aperture within the scope of target opening value
Value；Conversion subunit, the rotational parameters for target opening value to be converted to motor；Control subelement, for by rotating ginseng
Number motor control bottom valve movement.
In embodiments of the present invention, the operation by gathering the image information and separator of the suspension in separator is joined
Number；The target opening value scope of the bottom valve of separator is obtained according to image information or operational factor；The movement of control bottom valve is reached
So that purpose of the opening value of bottom valve within the scope of target opening value.Separator of the prior art is solved using artificial tune
Section bottom valve aperture keeps the accuracy of the stabilization at ebullated bed and interface technical problem not high.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the FB(flow block) of the control method of a kind of optional separator according to embodiments of the present invention；
Fig. 2 is the control of separator applied of control method of a kind of optional separator according to embodiments of the present invention
Structural representation；
Fig. 3 is the FB(flow block) of the control method of the optional separator of another kind according to embodiments of the present invention；
Fig. 4 is the FB(flow block) of the control method of the third optional separator according to embodiments of the present invention；
Fig. 5 is the bottom valve of separator applied of control method of a kind of optional separator according to embodiments of the present invention
And the operating structure schematic diagram of valve seat；
Fig. 6 is the FB(flow block) of the control method of the optional separator of according to embodiments of the present invention the 4th kind；
Fig. 7 is the structured flowchart of the control device of a kind of optional separator according to embodiments of the present invention；
Fig. 8 is the structural frames of the acquiring unit of the control device of a kind of optional separator according to embodiments of the present invention
Figure；
Fig. 9 is the first determination of the acquiring unit of the control device of a kind of optional separator according to embodiments of the present invention
The structured flowchart of subelement；
Figure 10 is the structure of the acquiring unit of the control device of the optional separator of another kind according to embodiments of the present invention
Block diagram；And
Figure 11 is the structural frames of the control unit of the control device of a kind of optional separator according to embodiments of the present invention
Figure.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
The part term referred in the embodiment of the present application is explained as follows：
Suspension (suspension)：Solid particle dispersions can not sink quickly in liquid because of Brownian movement, now
Solid dispersed phase claims suspension with the mixture of liquid.The particle diameter of the solid particle in suspension is 103-106Nm, more than colloid.
Granularity：The size of particle.The granularity of usual spherical particles represents with diameter, the granularity length of side table of cubic granules
Show.To irregular mineral grain, can be using a certain sphere diameter for having identical behavior with mineral grain as the equivalent of the particle
Diameter.Sometimes, can also be used when dust granules size is described.
Ebullated bed：Also known as fluid bed.The fluidized solids stratum granulosum (see fluidization of solid) of shape such as boiling liquid.Typically,
Some characteristics with liquid, such as play the role of Fluid pressure, energy overflow and with viscosity to wall.Due to the solid for working
The particle of thing is smaller, and under fluid matasomatism in strenuous exercise state, for many chemical reactions (as roasting, catalysis,
Catalytic cracking etc.) and the carrying out of many chemical processes (such as dry, absorption) it is favourable.
Embodiment 1
According to embodiments of the present invention, there is provided a kind of embodiment of the control method of separator, it is necessary to explanation, attached
The step of flow of figure is illustrated can perform in the such as one group computer system of computer executable instructions, though also,
So logical order is shown in flow charts, but in some cases, can be with shown different from order execution herein
Or the step of description.
Fig. 1 is the control method of separator according to embodiments of the present invention, as shown in figure 1, the method comprises the following steps：
Step S102, the image information and the operational factor of separator of the suspension in collection separator；
Step S104, the target opening value scope of the bottom valve of separator is obtained according to image information or operational factor；
Step S106, control bottom valve movement, so that the opening value of bottom valve is within the scope of target opening value.
In embodiments of the present invention, the operation by gathering the image information and separator of the suspension in separator is joined
Number；The target opening value scope of the bottom valve of separator is obtained according to image information or operational factor；The movement of control bottom valve is reached
So that purpose of the opening value of bottom valve within the scope of target opening value.Separator of the prior art is solved using artificial tune
Section bottom valve aperture keeps the accuracy of the stabilization at ebullated bed and interface technical problem not high.
As shown in Fig. 2 the image capture module 2 in the system is responsible for the image information of the solid solid separator cylinder of collection, and
Image information is passed into intelligent processing module 3.Water-stop adjustable LED strip-shaped light source, voltage are placed in the cylinder of interface
Adjustable extent is 9V-15V.Real work voltage is selected according to actual conditions, typically between 9.5V-11V.Camera alignment control
Target processed.Intelligent processing module 3 is responsible for the view data transmitted in image capture module 2 to carry out treatment characteristic information extraction simultaneously
And the level identification of separating interface is carried out, and carry out intelligent decision output step motor control signal.
Camera in image capture module 2 is directed at the cylinder collection image information of separator at a certain distance, collects
Image by intelligent processing module 3 extract can be used for recognize characteristics of image, and by intelligent processing module 3 position know
Other module carries out location recognition, while being calculated according to relevant parameters such as the opening and closing degree of solid solid separator valve 1, water inlet, chargings
The data that motor 6 need to be adjusted.Motor control module 4 adjusts data controlled motor 6 and rotates so as to adjust separator according to motor
Valve 1, further such that the position of separating interface 5 is adjusted in prescribed limit.
Further, as shown in figure 3, obtaining the target opening value of the bottom valve of separator according to image information or operational factor
Scope includes：
Step S11, the position of the separating interface of suspension is determined according to image information, wherein, separating interface is suspension
In concentrated phase and dilute phase interface；
Step S12, determines the position of separating interface relative to the direction between preset target position and distance；
Step S13, searches with direction and apart from corresponding target opening value scope in preset relation list.
Further, include as shown in figure 4, determining the position of the separating interface of suspension according to image information：
Step S111, extracts the video image characteristic in image information；
Step S112, gray proces are carried out to video image characteristic, the video image characteristic after being processed；
Step S113, the position of separating interface is determined according to the video image characteristic after treatment.
Specifically, the video image that camera spreads out of is calculated by certain algorithm and determines interface by grayvalue transition
Position.The calculating process of position must be completed within two frame period times due to one time, therefore video frame rate will be set suitably, and one
As be set to 12-18 frames/second.
If corresponding gray value is arranged image from left to right from top to bottom, for different materials, gray value is from left to right
It has been possible to two kinds of situations.Situation 1：Diminish again greatly from small change, situation 2：Become big situation about diminishing again again from diminishing greatly.By reality
Border observation material situation determines situation 1 or situation 2.
For situation 1, A places are interface to the right to set gray value maximum；For situation 2, set gray value maximum to
It is interface at left A.
A values determine：Suitably determined according to error degree and anti-interference requirement, general value is：95-99% maximum gray scales
Value.
Further, the target opening value scope that the bottom valve of separator is obtained according to image information or operational factor includes：
Step S202, operational factor is calculated according to preset formula, obtains the target opening value of bottom valve, wherein, preset formula
It is K=4Lsin (α/2) [(Lsin α)/2+D]/D2, K is target opening value, and L is the displacement of bottom valve, and α is the cone of bottom valve
The angle value at angle, and the base diameter that D is the valve seat matched with bottom valve.
Specifically, bottom valve opening value is represented with K.Bottom valve is general in truncated cone-shaped, and cone angle is α；Valve seat top is cylinder, diameter
It is D (cm) that bottom is truncated cone-shaped, round platform cone angle is identical with bottom valve cone angle.Bottom valve and valve seat operating structure are as shown in Figure 5.
A is bottom valve closed mode, and B is that bottom valve moves location after L (cm) distances.In B location, d=Lsin (α/
2), bottom valve forms space with valve seat, and its area is S (cm2)=π Lsin (α/2) ((Lsin α)/2+D)；
Then K=S/ (π (D/2) 2)=4Lsin (α/2) ((Lsin α)/2+D)/D2.
Citing：
If α=20 °, D=32mm, then K=0.01L2+0.22L；
Then during L=3.87cm, K=1, i.e., when the annulus area in valve element and valve seat gap is equal to drainage conduit area, valve
Aperture be 100%.
As L=0.5cm, K=11%；
As L=0.6cm, K=13.2%；
As L=0.7cm, K=15.4%；
As L=0.8cm, K=17.6%；
As L=1.3cm, K=28.6%；
As L=1.8cm, K=39.6%；
As L=2.3cm, K=50.6%；
As L=2.5cm, K=55%.
Intelligent decision：C (mm)=(interface physical location-Interface Control target) is made, it is K (%) to make bottom valve aperture.
General decision logic is：
Work as C<During -35mm, K=10-12%；
Work as C<- 10mm and C>When=- 35, K=12-14%；
Work as C<- 5mm and C>When=- 10, K=14-16%；
Work as C<0mm and C>When=- 5, K=16-18%；
Work as C<5mm and C>When=0, K=26-30%；
Work as C<10mm and C>When=5, K=37-40%；
Work as C<15mm and C>When=10, K=48-52%；
Work as C>When=15, K>=55%.
Further, as shown in fig. 6, control bottom valve is moved, so that the opening value of bottom valve is within the scope of target opening value
Including：
Step S302, obtains the target opening value within the scope of target opening value；
Step S304, target opening value is converted to the rotational parameters of motor；
Step S304, controls bottom valve to move by rotational parameters motor.
K values are converted to intelligent processing module 3 rotation data of motor 6 according to stepper motor parameter, and the data are passed
The controlled motor 6 of motor control module 4 is delivered to operate with the aperture of control valve 1.
In embodiments of the present invention, the operation by gathering the image information and separator of the suspension in separator is joined
Number；The target opening value scope of the bottom valve of separator is obtained according to image information or operational factor；The movement of control bottom valve is reached
So that purpose of the opening value of bottom valve within the scope of target opening value.Separator of the prior art is solved using artificial tune
Section bottom valve aperture keeps the accuracy of the stabilization at ebullated bed and interface technical problem not high.
Embodiment 2
Another embodiment according to embodiments of the present invention, additionally provides a kind of control device of separator, such as Fig. 7 institutes
Show, including：Collecting unit 10, acquiring unit 20 and control unit 30, collecting unit 10 are used to gather the suspension in separator
Image information and separator operational factor；Acquiring unit 20 is used to obtain separator according to image information or operational factor
The target opening value scope of bottom valve；Control unit 30 is used to control bottom valve to move, so that the opening value of bottom valve is in target opening value
Within the scope of.
In the present embodiment, collecting unit 10 is the image capture module 2 in the system, and acquiring unit 20 is this and is
Intelligent processing module 3 in system, control unit 30 is the motor control module 4 in the system.
Image capture module 2 is responsible for the image information of the solid solid separator cylinder of collection, and image information is passed into intelligence
Processing module 3.Water-stop adjustable LED strip-shaped light source is placed in the cylinder of interface, voltage adjustable extent is 9V-15V.According to
Actual conditions select real work voltage, typically between 9.5V-11V.Camera is directed at control targe.Intelligent processing module 3
It is responsible for that the view data transmitted in image capture module 2 is carried out processing characteristic information extraction and the height of separating interface is carried out
Identification, and carry out intelligent decision output step motor control signal.
Camera in image capture module 2 is directed at the cylinder collection image information of separator at a certain distance, collects
Image by intelligent processing module 3 extract can be used for recognize characteristics of image, and by intelligent processing module 3 position know
Other module carries out location recognition, while being calculated according to relevant parameters such as the opening and closing degree of solid solid separator valve 1, water inlet, chargings
The data that motor 6 need to be adjusted.Motor control module 4 adjusts data controlled motor 6 and rotates so as to adjust separator according to motor
Valve 1, further such that the position of separating interface 5 is adjusted in prescribed limit.
Further, as shown in figure 8, acquiring unit 20 includes：First determination subelement 21, the and of the second determination subelement 22
Subelement 23 is searched, the first determination subelement 21 is used for the position of the separating interface that suspension is determined according to image information, wherein,
Separating interface is the concentrated phase and the interface of dilute phase in suspension；Second determination subelement 22 is used to determine the position of separating interface
Relative to the direction between preset target position and distance；Searching subelement 23 is used to be searched and direction in preset relation list
With apart from corresponding target opening value scope.
Further, as shown in figure 9, the first determination subelement 21 includes：Extraction module 211, processing module 212 and determination
Module 213, extraction module 211 is used to extract the video image characteristic in image information；Processing module 212 is used for video image
Feature carries out gray proces, the video image characteristic after being processed；Determining module 213, for regarding after according to the treatment
Frequency characteristics of image determines the position of the separating interface.
Specifically, the video image that camera spreads out of is calculated by certain algorithm and determines interface by grayvalue transition
Position.The calculating process of position must be completed within two frame period times due to one time, therefore video frame rate will be set suitably, and one
As be set to 12-18 frames/second.
If corresponding gray value is arranged image from left to right from top to bottom, for different materials, gray value is from left to right
It has been possible to two kinds of situations.Situation 1：Diminish again greatly from small change, situation 2：Become big situation about diminishing again again from diminishing greatly.By reality
Border observation material situation determines situation 1 or situation 2.
For situation 1, A places are interface to the right to set gray value maximum；For situation 2, set gray value maximum to
It is interface at left A.
Further, as shown in Figure 10, acquiring unit 20 also includes：Computation subunit 24, computation subunit 24 is used for root
Operational factor is calculated according to preset formula, the target opening value of bottom valve is obtained, wherein, preset formula is K=4Lsin (α/2)
[(Lsinα)/2+D]/D2, K is target opening value, and L is the displacement of bottom valve, and α is the angle value of the cone angle of bottom valve, and D
It is the base diameter of the valve seat matched with bottom valve.
Specifically, specifically, bottom valve opening value is represented with K.Bottom valve is general in truncated cone-shaped, and cone angle is α；Valve seat top is circle
Cylinder, a diameter of D (cm), bottom is truncated cone-shaped, and round platform cone angle is identical with bottom valve cone angle.Bottom valve and valve seat operating structure such as Fig. 5 institutes
Show.
A is bottom valve closed mode, and B is that bottom valve moves location after L (cm) distances.In B location, d=Lsin (α/
2), bottom valve forms space with valve seat, and its area is S (cm2)=π Lsin (α/2) ((Lsin α)/2+D)；
Then K=S/ (π (D/2) 2)=4Lsin (α/2) ((Lsin α)/2+D)/D2.
Further, as shown in figure 11, control unit 30 includes：Obtain subelement 31, conversion subunit 32 and control
Unit 33, obtaining subelement 31 is used to obtain the target opening value within the scope of target opening value；Conversion subunit 32 is used for will
Target opening value is converted to the rotational parameters of motor；Control subelement 33 is used to control bottom valve to move by rotational parameters motor
It is dynamic.
K values are converted to intelligent processing module 3 rotation data of motor 6 according to stepper motor parameter, and the data are passed
The controlled motor 6 of motor control module 4 is delivered to operate with the aperture of control valve 1.
In embodiments of the present invention, the operation by gathering the image information and separator of the suspension in separator is joined
Number；The target opening value scope of the bottom valve of separator is obtained according to image information or operational factor；The movement of control bottom valve is reached
So that purpose of the opening value of bottom valve within the scope of target opening value.Separator of the prior art is solved using artificial tune
Section bottom valve aperture keeps the accuracy of the stabilization at ebullated bed and interface technical problem not high.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of control method of separator, it is characterised in that including：
The image information and the operational factor of the separator of the suspension in collection separator；
The target opening value scope of the bottom valve of the separator is obtained according to described image information or the operational factor；
The bottom valve is controlled to move, so that the opening value of the bottom valve is within the scope of the target opening value.
2. method according to claim 1, it is characterised in that described to be obtained according to described image information or the operational factor
Target opening value scope to the bottom valve of the separator includes：
The position of the separating interface of the suspension is determined according to described image information, wherein, the separating interface is described outstanding
The interface of concentrated phase and dilute phase in supernatant liquid；
Determine the position of the separating interface relative to the direction between preset target position and distance；
Searched in preset relation list and the direction and described apart from the corresponding target opening value scope.
3. method according to claim 2, it is characterised in that described that the suspension is determined according to described image information
The position of separating interface includes：
Extract the video image characteristic in described image information；
Gray proces are carried out to the video image characteristic, the video image characteristic after being processed；
The position of the separating interface is determined according to the video image characteristic after the treatment.
4. method according to claim 1, it is characterised in that described to be obtained according to described image information or the operational factor
Target opening value scope to the bottom valve of the separator includes：
The operational factor is calculated according to preset formula, the target opening value of the bottom valve is obtained,
Wherein, the preset formula is K=4L sin (α/2) [(L sin α)/2+D]/D2, the K is the target aperture
Value, the L is the displacement of the bottom valve, and the α is the angle value of the cone angle of the bottom valve, and the D be with it is described
The base diameter of the valve seat of bottom valve matching.
5. method according to claim 1, it is characterised in that the control bottom valve movement, so that the bottom valve
Opening value includes within the scope of the target opening value：
Obtain the target opening value within the scope of the target opening value；
The target opening value is converted to the rotational parameters of motor；
Bottom valve described in the motor control is driven to move by the rotational parameters.
6. a kind of control device of separator, it is characterised in that including：
Collecting unit, for gathering the image information of the suspension in separator and the operational factor of the separator；
Acquiring unit, the target aperture of the bottom valve for obtaining the separator according to described image information or the operational factor
Value scope；
Control unit, for controlling the bottom valve to move so that the opening value of the bottom valve the target opening value scope it
It is interior.
7. device according to claim 6, it is characterised in that the acquiring unit includes：
First determination subelement, the position of the separating interface for determining the suspension according to described image information, wherein, institute
State the interface that separating interface is concentrated phase in the suspension and dilute phase；
Second determination subelement, for determine the position of the separating interface relative to the direction between preset target position and away from
From；
Subelement is searched, for being searched in preset relation list and the direction and described apart from the corresponding target aperture
Value scope.
8. device according to claim 7, it is characterised in that first determination subelement includes：
Extraction module, for extracting the video image characteristic in described image information；
Processing module, for carrying out gray proces to the video image characteristic, the video image characteristic after being processed；
Determining module, the position for determining the separating interface according to the video image characteristic after the treatment.
9. device according to claim 6, it is characterised in that the acquiring unit includes：
Computation subunit, for calculating the operational factor according to preset formula, obtains the target opening value of the bottom valve,
Wherein, the preset formula is K=4L sin (α/2) [(L sin α)/2+D]/D2, the K is the target aperture
Value, the L is the displacement of the bottom valve, and the α is the angle value of the cone angle of the bottom valve, and the D be with it is described
The base diameter of the valve seat of bottom valve matching.
10. device according to claim 6, it is characterised in that described control unit includes：
Subelement is obtained, for obtaining the target opening value within the scope of the target opening value；
Conversion subunit, the rotational parameters for the target opening value to be converted to motor；
Control subelement, for driving bottom valve described in the motor control to move by the rotational parameters.
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| CN114529521A (en) * | 2022-01-26 | 2022-05-24 | 湖北飞来钟粮油设备有限公司 | Method and device for controlling inclination angle of grain roughening machine, grain roughening machine and storage medium |
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