CN101386377B - Large-sized silo charging control method and system - Google Patents
Large-sized silo charging control method and system Download PDFInfo
- Publication number
- CN101386377B CN101386377B CN2008101732919A CN200810173291A CN101386377B CN 101386377 B CN101386377 B CN 101386377B CN 2008101732919 A CN2008101732919 A CN 2008101732919A CN 200810173291 A CN200810173291 A CN 200810173291A CN 101386377 B CN101386377 B CN 101386377B
- Authority
- CN
- China
- Prior art keywords
- point
- movable loading
- loading point
- control
- mobile movable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention discloses a control method for controlling loading of a large storage hopper. The method comprises the following steps: a movable loading point is controlled to move to one side until the limit position which is determined as the beginning position; the direction far from the beginning position is the positive direction while the direction near the beginning position is the opposite direction; the movable loading point is controlled from the beginning position in the positive direction to move to a first length which is determined as the reverse stopping point; the movable loading point is controlled to move to the limit position in the positive direction which is determined as the positive limit point; the movable loading point is controlled from the positive limit point in the reverse direction to move to a second length which is determined as the positive stopping point; the movable loading point is controlled to move back and forth between the positive stopping point and the reverse stopping point. The invention also discloses a control system of a large storage hopper. The control method and the system of the large storage hopper reduce the manufacturing cost and can effectively ensure that the movable loading point precisely moves in the running orbit of the storage hopper.
Description
Technical field
The present invention relates to the control field, particularly a kind of large-sized silo charging control method and system.
Background technology
Existing feed bin is to feed by the movable loading point of top, because movable loading point maintains static, makes material can form a taper stockpile in feed bin, can not make full use of the feed bin volume.
Particularly for large-sized silo, fixed movable loading point can not satisfy the degree of utilization of large-sized silo, and therefore existing large-sized silo is general to adopt mobile movable loading point to feed.
Referring to Fig. 1 and Fig. 2, be respectively existing large-sized silo structural representation and plan sketch.Mobile movable loading point B does horizontal side-to-side movement, to the end position of left movement travel switch SQA is set at mobile movable loading point B, and the end position that moves right at mobile movable loading point B is provided with travel switch SQR.
Mobile movable loading point B can be between stroke switch S QA and travel switch SQR the crank motion charging, so just can guarantee that the feed bin volume is fully used.
Mobile movable loading point B is the crank motion charging between stroke switch S QA and travel switch SQR, and each orbit period travel switch SQA and travel switch SQR can work once.Suppose that stocking cycle of mobile movable loading point B is 30s, so mobile movable loading point B work 8 hours, each travel switch will move 960 times.
Large-sized silo generally needs to produce continuously, and owing to the travel switch restriction in service life, travel switch just needs artificial frequent replacing, has increased on-the-spot maintenance workload.
If select the special quality travel switch or select for use contactless inductive switch to delay the replacing problem of travel switch, will increase manufacturing cost.And under some high dust atmosphere, ferromagnetic materials environment, be difficult to find the substitute products of travel switch.
Summary of the invention
The purpose of this invention is to provide a kind of large-sized silo charging control method and system, reduce manufacturing cost, and can guarantee the accurate operation of mobile movable loading point on the feed bin orbit effectively.
For realizing the object of the invention, the present invention specifically provides a kind of large-sized silo charging control method, and described control method comprises:
Control mobile movable loading point to a lateral movement to end position, be defined as reference position, the direction of establishing away from reference position is a forward, is reverse near the direction of reference position;
Control mobile movable loading point from reference position positive movement first length, be defined as reverse halt point;
Control described mobile movable loading point positive movement to end position, be defined as the direct limit point;
Control mobile movable loading point from direct limit point counter motion second length, be defined as the forward halt point;
Control mobile movable loading point back and forth movement between described forward halt point and reverse halt point;
Wherein, described first length and second length are all less than described feed bin length.
Preferably, adopt following step to control mobile movable loading point back and forth movement between described forward halt point and described reverse halt point:
Steps A: control mobile second time period of movable loading point counter motion;
Step B: control mobile movable loading point positive movement very first time section, return steps A;
Wherein, described second time period is: t2=(L-S1-S2)/V2;
Described very first time section is: t1=(L-S1-S2)/V1;
Described t2 was second time period; T1 is a very first time section; L is the length of large-sized silo; S1 is first length; S2 is second length; V2 is mobile movable loading point counter motion speed; V1 is mobile movable loading point positive movement speed.
Preferably, before steps A, further comprise:
A1: feed bin charging beginning, control mobile movable loading point counter motion to reference position, pick up counting;
A2: control mobile the 3rd time period of movable loading point positive movement;
Wherein, described the 3rd time period is: t3=(L-S2)/V1;
Described t3 was the 3rd time period; L is the length of large-sized silo; S2 is second length; V1 is mobile movable loading point positive movement speed.
Preferably, after the mobile movable loading point positive movement very first time section of the described control of step B, return steps A before, further comprise:
Step C: whether enabling counting device, the counts of judging described counting machine greater than default maximum count number of times, if, enter step D, if not, described rolling counters forward number of times adds 1, returns steps A;
Step D: described counting machine makes zero, and controls described mobile movable loading point counter motion to reference position, restarts timing, returns steps A 2.
Preferably, described default maximum count number of times is 100 times.
Preferably, described control method further comprises: in described reference position travel switch is set;
Control mobile movable loading point counter motion to reference position, when described mobile movable loading point triggers described travel switch, restart timing, return steps A 2.
Preferably, described first length and the second length addition and equal 5% of described feed bin length.
The present invention also provides a kind of large-sized silo charging control system, comprise feed bin, mobile movable loading point, described system also comprises: reference position acquiring unit, oppositely halt point acquiring unit, direct limit position acquiring unit, forward halt point acquiring unit, and back and forth movement control unit;
Described reference position acquiring unit, be used to control mobile movable loading point to a lateral movement to end position, be defined as reference position, order is a forward away from the reference position direction, is reverse near the reference position direction;
Described reverse halt point acquiring unit is used to control mobile movable loading point from reference position positive movement first length, is defined as reverse halt point;
Described direct limit point acquiring unit is used to control described mobile movable loading point positive movement to end position, is defined as the direct limit point;
Described forward halt point acquiring unit is used to control mobile movable loading point from direct limit point counter motion second length, is defined as the forward halt point;
Described back and forth movement control unit is used to control mobile movable loading point back and forth movement between described forward halt point and described reverse halt point.
Preferably, described back and forth movement control unit comprises: oppositely control subelement and forward control subelement:
Described reverse control subelement is used to control mobile second time period of movable loading point counter motion;
Described forward control subelement is used to control mobile movable loading point positive movement very first time section;
Wherein, described second time period is: t2=(L-S1-S2)/V2;
Described very first time section is: t1=(L-S1-S2)/V1;
Described t2 was second time period; T1 is a very first time section; L is the length of large-sized silo; S1 is first length; S2 is second length; V2 is mobile movable loading point counter motion speed; V1 is mobile movable loading point positive movement speed.
Preferably, described back and forth movement control unit further comprises: timing start-up control subelement and first motion control subelement;
Described timing start-up control subelement is used for controlling mobile movable loading point counter motion to reference position in feed bin charging beginning, picks up counting;
Described first motion control subelement is used to control mobile the 3rd time period of movable loading point positive movement;
Wherein, described the 3rd time period is: t3=(L-S2)/V1;
Described t3 was the 3rd time period; L is the length of large-sized silo; S2 is second length; V1 is mobile movable loading point positive movement speed.
Compare with above-mentioned prior art, the present invention has the following advantages:
Described large-sized silo charging control method of the embodiment of the invention and system control mobile movable loading point one lateral movement to end position, determine that described end position is a reference position.Setting is a forward away from the direction of described reference position, and the direction of approaching described reference position is reverse.Control described mobile movable loading point from reference position positive movement first length, determine that this position is reverse halt point.Control described mobile movable loading point positive movement to end position, be defined as the direct limit point.Control described mobile movable loading point again from direct limit point counter motion second length, be defined as the forward halt point.By controlling the time of run of mobile movable loading point on the feed bin orbit, control described mobile movable loading point back and forth movement between described forward halt point and described reverse halt point.
Adopt the method for the invention and system, can avoid mobile movable loading point frequent travel switch that triggers in the back and forth movement process, prolong the service life of travel switch, can guarantee the accurate operation of mobile movable loading point on the feed bin orbit again effectively.
Description of drawings
Fig. 1 is existing large-sized silo structural representation;
Fig. 2 is existing large-sized silo plan sketch;
Fig. 3 is the described large-sized silo charging control method diagram of circuit of first embodiment of the invention;
Fig. 4 is large-sized silo structural representation of the present invention;
Fig. 5 is mobile movable loading point running orbit scheme drawing of the present invention;
Fig. 6 is large-sized silo charging control system constructional drawing of the present invention;
Fig. 7 is back and forth movement control unit constructional drawing of the present invention.
The specific embodiment
The invention provides a kind of large-sized silo charging control method and system, reduce manufacturing cost, and can guarantee the accurate operation of mobile movable loading point on the feed bin orbit effectively.
In order to make those skilled in the art more clearly understand large-sized silo charging control method of the present invention, be elaborated below in conjunction with concrete accompanying drawing.
Described large-sized silo charging control method of the embodiment of the invention and system control mobile movable loading point one lateral movement to end position, determine that described end position is a reference position.Setting is a forward away from the direction of described reference position, and the direction of approaching described reference position is reverse.Control described mobile movable loading point from reference position positive movement first length, determine that this position is reverse halt point.Control described mobile movable loading point positive movement to end position, be defined as the direct limit point.Control described mobile movable loading point again from direct limit point counter motion second length, be defined as the forward halt point.By controlling the time of run of mobile movable loading point on the feed bin orbit, control described mobile movable loading point back and forth movement between described forward halt point and described reverse halt point.
Referring to Fig. 3 and Fig. 4, be respectively described large-sized silo charging control method diagram of circuit of first embodiment of the invention and large-sized silo scheme drawing of the present invention.
Referring to Fig. 5, be mobile movable loading point running orbit scheme drawing of the present invention.
Step 10: control the end position that mobile movable loading point B moves to described feed bin A orbit one side, determine that described end position is reference position E1, travel switch SQ being set, establishing away from travel switch SQ, be that the direction of reference position E1 is a forward, is reverse near the direction of travel switch SQ.
Just begun when filling with substance, described mobile movable loading point B is parked in the optional position on the feed bin A orbit.
The mobile movable loading point B of control moves to any direction earlier, to end position E1, described end position E1 note is done the reference position that mobile movable loading point B moves, and at this end position E1 travel switch SQ is set.
In actual applications, described reference position can be the left side end position of described feed bin A orbit, also can be the right side end position of described feed bin A orbit.The embodiment of the invention, all the left side end position with described feed bin A orbit is that example is elaborated as reference position.
As shown in Figure 4 and Figure 5, suppose mobile movable loading point B earlier to left movement, the end position to feed bin A left side is provided with travel switch SQ herein, with the reference position E1 that moves as mobile movable loading point B herein.
Described mobile movable loading point B is a positive movement when feed bin A orbit moves right, and described mobile movable loading point B is counter motion along feed bin A orbit when the left movement.
Step 20: control described mobile movable loading point B along the orbit of feed bin A from the reference position positive movement first length S1 to position M1, determine that this position is reverse halt point.
Step 30: control orbit the end position E2 from described reverse halt point M1 positive movement to feed bin A opposite side of described mobile movable loading point B, determine that this position is the direct limit point along feed bin A.
Step 40: control described mobile movable loading point B along the orbit of feed bin A from the direct limit point E2 counter motion second length S2 to position M2, determine that this position is the forward halt point.
As shown in Figure 4 and Figure 5, with described mobile movable loading point B to the right the end position E2 of positive movement as the direct limit point.
Preestablish the first length S1 and the second length S2.
The position M2 of the described direct limit point E2 second length S2 of setpoint distance is the forward halt point.Stop and begin counter motion when controlling described mobile movable loading point B positive movement, can guarantee that described mobile movable loading point B can not surpass the end position of its positive movement, avoid the orbit of its disengaging feed bin A to described forward halt point M2.
The position M1 of the described travel switch SQ first length S1 of setpoint distance is reverse halt point.Stop and begin positive movement when controlling described mobile movable loading point B counter motion, can guarantee that described mobile movable loading point B can not reach its heterodromous end position, avoid its frequent triggering travel switch SQ to described reverse halt point M1.
Step 50: control mobile movable loading point B back and forth movement between described forward halt point M2 and described reverse halt point M1.
By preestablishing described mobile movable loading point B positive movement and heterodromous time of run, can realize controlling mobile movable loading point B back and forth movement between described forward halt point M2 and described reverse halt point M1.
Preestablishing the time of run of described mobile movable loading point B from described reverse halt point M1 positive movement to described forward halt point M2 is very first time section t1.Setting the time of run of described mobile movable loading point B from described forward halt point M2 counter motion to described reverse halt point M1 is second time period t 2.
Referring to shown in Figure 5: the length of known described large-sized silo A, promptly the distance between reference position E1 and the direct limit point E2 is L.Distance between described forward halt point M2 and the direct limit point E2 is the default second length S2.Distance between described reverse halt point M1 and the described reference position E1 is the default first length S1.Therefore, the distance between described forward halt point M2 and the described reverse halt point M1 is (L-S1-S2).
When described mobile movable loading point B begins positive movement from reverse halt point M1, in order to guarantee that described mobile movable loading point B can just in time move to described forward halt point M2 place and stop, the positive movement displacement that only needs the described mobile movable loading point B of assurance is the distance between described forward halt point M2 and the described reverse halt point M1, i.e. L-S1-S2.
The forward running velocity of known described mobile movable loading point B is V1, and then described very first time section t1 can be obtained by following formula:
t1＝(L-S1-S2)/V1 (1)
Set forward and move omnidistance time T 1 and move to time of described direct limit point E2 for described mobile movable loading point B from described reference position E1 forward, then described forward moves omnidistance time T 1 can be by following formula acquisition:
T1＝L/V1 (2)
As can be known, described very first time section t1 should move omnidistance time T 1 less than described forward.
When described mobile movable loading point B when forward halt point M2 begins counter motion, in order to guarantee that described mobile movable loading point B can just in time move to described reverse halt point M1 place and stop, the counter motion displacement that only needs the described mobile movable loading point B of assurance is the distance between described reverse halt point M1 and the described forward halt point M2, i.e. L-S1-S2.
The inverted running speed of known described mobile movable loading point B is V2, and then described second time period t 2 can be obtained by following formula:
t2＝(L-S1-S2)/V2 (3)
Setting the omnidistance time T 2 of inverted running is the time of described mobile movable loading point B from described direct limit point E2 inverted running to described reference position E1, and the omnidistance time T 2 of then described inverted running can be obtained by following formula:
T2＝L/V2 (4)
As can be known, described second time period t 2 should be less than the omnidistance time T 2 of described inverted running.
In conjunction with shown in Figure 5, introduce the detailed process of the mobile movable loading point B of control back and forth movement between described forward halt point M2 and described reverse halt point M1 in detail:
Step 501: feed bin charging beginning, described mobile movable loading point B may be parked in the optional position on the feed bin A orbit, controls mobile movable loading point B counter motion to reference position E1, triggers travel switch SQ, and picks up counting.
Step 502: described mobile movable loading point B begins positive movement from described reference position E1, control mobile movable loading point B positive movement the 3rd time period t 3 after, make it stop at forward halt point M2 place, and delay time section t.
As shown in Figure 5, described mobile movable loading point B begins positive movement from described reference position E1, moves to direct limit point E2 position.
According to sports knowledge as can be known, mobile movable loading point B moves along the tracks of feed bin A, and mobile movable loading point B stops to coming to a complete stop from moving to again, and it was finished in moment to be difficult to control.In order to prevent that mobile movable loading point B from can skid off the tracks of feed bin A when stopping, by the forward time of run length of mobile movable loading point B is set, make described mobile movable loading point B before reaching direct limit point E2 the second length S2 place, be that forward halt point M2 place stops.
As shown in Figure 5, the length of known described large-sized silo A, promptly the distance between reference position E1 and the direct limit point E2 is L.Distance between described forward halt point M2 and the direct limit point E2 is the default first length S1.Distance is L-S2 between then described reference position E1 and the described forward halt point M2.
The positive movement speed of known described mobile movable loading point B is V1, and then described the 3rd time period t 3 can be obtained by following formula:
t3＝(L-S2)/V1 (5)
Obtain easily, described the 3rd time period t 3 with the pass that described very first time section t1 and described forward move omnidistance time T 1 is: t1＜t3＜T1.
Control mobile movable loading point B from reference position E1 positive movement the 3rd time period t 3, make it move to described forward halt point M2 place and stop.
In order to guarantee that mobile movable loading point B can stop to carry out counter motion earlier fully again, can make described mobile movable loading point B behind the delay time section t of forward halt point M2 place, carry out counter motion again.
Described delay time section t can specifically set according to practical engineering application.
Described delay time section t can determine by following principle: the time span of described time period t can be equal to or slightly greater than mobile movable loading point B from supply disconnecton to its static time of experiencing fully.According to practical production experience, described time period t can be got 3 seconds.
Step 503: after controlling described mobile movable loading point B and beginning counter motion second time period t 2, make it stop at reverse halt point M1 place from forward halt point M2, and delay time section t.
In order to prevent that the each counter motion of mobile movable loading point B from all moving to reference position E1, trigger travel switch SQ, cause travel switch SQ frequently to move, by setting in advance the counter motion time span of mobile movable loading point B, make described mobile movable loading point B before reaching reference position E1 the first length S1 place, be that reverse halt point M1 place stops.
As shown in Figure 5, the distance between described forward halt point M2 and the described reverse halt point M1 is L-S1-S2.The counter motion speed of described mobile movable loading point B is V2.Therefore, described mobile movable loading point B counter motion second time period t 2 is:
t2＝(L-S1-S2)/V2 (3)
Control mobile movable loading point B from described forward halt point M2 counter motion second time period t 2, make it move to described reverse halt point M1 place and stop.
In order to guarantee that mobile movable loading point B can stop to carry out positive movement earlier fully again, can make described mobile movable loading point B behind the reverse delay time section t of halt point M1 place, begin to carry out positive movement again.
Described delay time section t can specifically set according to practical engineering application.
Step 504: after controlling described mobile movable loading point B and beginning positive movement very first time section t1, make it stop at forward halt point M2 place once more from reverse halt point M1, and delay time section t, return step 503.
Keep mobile movable loading point B back and forth movement between forward halt point M2 and reverse halt point M1.Mobile movable loading point B positive movement very first time section t1 is set, make described mobile movable loading point B just in time from reverse halt point M1 positive movement to forward halt point M2.
As shown in Figure 5, the distance between described reverse halt point M1 and the described forward halt point M2 is L-S1-S2.The positive movement speed of described mobile movable loading point B is V1.Therefore, described mobile movable loading point B positive movement very first time section t1 is:
t1＝(L-S1-S2)/V1 (1)
Control described mobile movable loading point B from described reverse halt point M1 positive movement very first time section t1, make it move to described forward halt point M2 place and stop.
In order to guarantee that mobile movable loading point B can stop to carry out counter motion earlier fully again, can make described mobile movable loading point B behind the delay time section t of forward halt point M2 place, begin to carry out counter motion again.
Then, return step 503, control described mobile movable loading point B and begin after counter motion second time period t 2 arrives reverse halt point M1 delay time section t from forward halt point M2.Control described mobile movable loading point B again and begin after positive movement very first time section t1 arrives forward halt point M2 from reverse halt point M1, delay time section t returns step 503 again.
So move in circles, make described mobile movable loading point B back and forth movement between forward halt point M2 and reverse halt point M1.
Adopt the method for the invention, can avoid mobile movable loading point frequent travel switch that triggers in the back and forth movement process, prolong the service life of travel switch, can guarantee the accurate operation of mobile movable loading point on the feed bin orbit again effectively.
In practical engineering application, described reverse halt point M1 and forward halt point M2 determine that the setting of the promptly described first length S1 and the second length S2 can be according in the actual engineering, the length L of described large-sized silo A, the concrete setting.
The value principle of the described first length S1 and the second length S2 is: S1 and S2 should be a bit larger tham mobile movable loading point B from supply disconnecton to its fully static displacement that produces in during this period of time.
According to practical production experience, the general described first length S1 and the second length S2 value are: the length of the described first length S1 and the second length S2 and, promptly S1+S2 be described large-sized silo length L about 5%.
In the ideal case, can make the described first length S1 equate with the described second length S2 value, be described large-sized silo length L about 2.5%.
For example, for general large-sized silo, its length L is 10m.At this moment, can get the described first length S1 is 0.25m, and the described second length S2 is 0.25m.
In actual charging process, at first control mobile movable loading point B from reference position E1, promptly stroke switch S Q sets out at the place, positive movement the 3rd time period t 3.Make described mobile movable loading point B move to the described feed bin A forward of distance edge, be direct limit point E20.25m place.After the delay time section t, control described mobile movable loading point B counter motion second time period t 2 again, make it move to the described feed bin A counter edge of distance, be reference position E10.25m place.After the delay time section t, control described mobile movable loading point B positive movement very first time section t1 more again, make it move to the described feed bin A forward of distance edge once more, be E20.25m place, direct limit position.Again after the delay time section t, control described mobile movable loading point B counter motion second time period t 2 again ... so move in circles, control described mobile movable loading point B back and forth movement between the distance of the described feed bin A reference position E1 of distance and direct limit position each 0.25m of E2.
The concrete length of described very first time section t1, second time period t 2 and the 3rd time period t 3, according to the default first length S1, the second length S2 and the length L of large-sized silo A and forward running velocity V1 and the inverted running speed V2 of described mobile movable loading point B, by calculating concrete the setting.
In actual applications, described mobile movable loading point B long-time continuous comes and goes in service, owing to reasons such as friction force, errors, is easy to drift about.The actual forward and reverse stop position of described mobile movable loading point B will depart from respect to forward halt point M2 and reverse halt point M1.
When the round number of times of described mobile movable loading point B is abundant, described mobile movable loading point B counter motion takes place probably to reference position E1, trigger travel switch SQ, or described mobile movable loading point B positive movement surpasses direct limit position E2, makes it depart from the situations such as tracks of feed bin A.
Take place for fear of above-mentioned situation, can increase tally function.Oppositely come and go one bout when the every forward of described mobile movable loading point B adds, when returning described forward halt point M2, start start-stop counter, make the counting machine number of times add 1.The maximum count number of times of default described counting machine, when the counts of described counting machine had totally reached described maximum count number of times, described counting machine made zero, and controls described mobile movable loading point B counter motion to described reference position, trigger described travel switch SQ, restart timing.
The difference of described large-sized silo charging control method of second embodiment of the invention and the described method of first embodiment is, in the specific implementation process of the mobile movable loading point B of the described control of step 50 back and forth movement between described forward halt point M2 and described reverse halt point M1, add tally function, limit the maximum round trip number of times of described mobile movable loading point B on the orbit of described feed bin A.
Still, be the described large-sized silo charging control method diagram of circuit of second embodiment of the invention referring to Fig. 3.
Step 10: control the end position that mobile movable loading point B moves to described feed bin A orbit one side, determine that described end position is reference position E1, travel switch SQ being set, establishing away from travel switch SQ, be that the direction of reference position E1 is a forward, is reverse near the direction of travel switch SQ.
Step 20: control described mobile movable loading point B along the orbit of feed bin A from the reference position positive movement first length S1 to position M1, determine that this position is reverse halt point.
Step 30: control orbit the end position E2 from described reverse halt point M1 positive movement to feed bin A opposite side of described mobile movable loading point B, determine that this position is the direct limit point along feed bin A.
Step 40: control described mobile movable loading point B along the orbit of feed bin A from the direct limit point E2 counter motion second length S2 to position M2, determine that this position is the forward halt point.
Step 50: control mobile movable loading point B back and forth movement between described forward halt point M2 and described reverse halt point M1.
The detailed process of the step 50 mobile movable loading point B of control back and forth movement between described forward halt point M2 and described reverse halt point M1 is in the described method of second embodiment of the invention:
Step 501: feed bin charging beginning, described mobile movable loading point B may be parked in the optional position on the feed bin A orbit, controls mobile movable loading point B counter motion to reference position E1, triggers travel switch SQ, and picks up counting.
Step 502: described mobile movable loading point B begins positive movement from described reference position E1, control mobile movable loading point B positive movement the 3rd time period t 3 after, make it stop at forward halt point M2 place, and delay time section t.
Step 503: after controlling described mobile movable loading point B and beginning counter motion second time period t 2, make it stop at reverse halt point M1 place from forward halt point M2, and delay time section t.
Step 504: after controlling described mobile movable loading point B and beginning positive movement very first time section t1, make it stop at forward halt point M2 place once more from reverse halt point M1, and delay time section t.
Step 505: whether enabling counting device, the counts of judging described counting machine greater than default maximum count number of times, if, enter step 506, if not, described rolling counters forward number of times adds 1, returns step 503.
Step 506: described counting machine makes zero, and controls described mobile movable loading point B counter motion to reference position E1, triggers travel switch SQ, restarts timing, and returns step 502.
The maximum count number of times of described counting machine can specifically be set according to actual condition.In actual applications, can be in advance carry out the back and forth movement test, the round number of times when statistics obtains described mobile movable loading point B and departs to mobile movable loading point B.For example, after described mobile movable loading point B comes and goes certain number of times, counter motion is to reference position E1, round number of times when triggering travel switch SQ, or described mobile movable loading point B comes and goes after certain number of times, positive movement surpasses direct limit position E2, the round number of times when departing from the tracks of feed bin A etc.When being described maximum count number of times assignment in advance, as long as the round number of times that mobile movable loading point B is departed from that it is obtained less than above-mentioned statistics.
In actual applications, described mobile movable loading point B long-time continuous comes and goes in service, owing to reasons such as friction force, errors, is easy to drift about.When described mobile movable loading point B moves to reference position E1, when triggering described travel switch SQ, control described mobile movable loading point and get back to described reference position E1, restart timing, return step 502, restart back and forth movement.
Adopt the control method of large-sized silo charging of the present invention, the charging that can guarantee feed bin A is even, and the volume of described feed bin A can be fully used, and can avoid frequently triggering travel switch SQ again, prolong the service life of travel switch SQ, reduce the maintenance workload of engineering site.
In practical engineering application, the forward running velocity V1 of described mobile movable loading point B and inverted running speed V2 can be identical, also can be different.
When described forward running velocity V1 equals described inverted running speed V2, only need preestablish described very first time section t1 and equate to get final product with described second time period t 2.
When described mobile movable loading point B adopt be speed control device the time, its running velocity is variable.When the running velocity of described mobile movable loading point B changes, only need according to the new running velocity of described mobile movable loading point B, set described very first time section t1, second time period t 2, and the time span of the 3rd time period t 3 by calculating again.Control described mobile movable loading point B inverted running to described reference position, trigger described travel switch SQ, restart timing, control described mobile movable loading point B back and forth movement between described forward halt point M2 and described reverse halt point M1 according to the time of new settings.
The present invention also provides a kind of large-sized silo charging control system.
Referring to shown in Figure 6, be large-sized silo charging control system constructional drawing of the present invention.
Described system comprises: feed bin 10, mobile movable loading point 20, reference position acquiring unit 30, oppositely halt point acquiring unit 40, direct limit point acquiring unit 50, forward halt point acquiring unit 60, reach back and forth movement control unit 70.
Described reference position acquiring unit 30, be used to control the end position that mobile movable loading point 20 moves to described feed bin 10 orbits one side, determine that described end position is reference position E1, the direction of establishing away from reference position E1 is a forward, is reverse near the direction of reference position E1.
Described reverse halt point acquiring unit 40, be used to control described mobile movable loading point 20 along the orbit of feed bin 10 from the reference position positive movement first length S1 to position M1, determine that this position is reverse halt point.
Described direct limit point acquiring unit 50 is used to control orbit the end position E2 from described reverse halt point M1 positive movement to feed bin 10 opposite sides of described mobile movable loading point 20 along feed bin 10, determines that this position is the direct limit point.
Described forward halt point acquiring unit 60, be used to control described mobile movable loading point 20 along the orbit of feed bin 10 from the direct limit point E2 counter motion second length S2 to position M2, determine that this position is the forward halt point.
Described back and forth movement control unit 70 is used to control mobile movable loading point back and forth movement between described forward halt point and described reverse halt point.
Referring to Fig. 7, be back and forth movement control unit constructional drawing of the present invention.
Described back and forth movement control unit 70 comprises timing start-up control subelement 701, first motion control subelement 702, forward control subelement 703 and oppositely controls subelement 704.
Described timing start-up control subelement 701 is used for controlling mobile movable loading point 20 counter motions to reference position E1 in feed bin 10 charging beginnings, picks up counting.
Described first motion control subelement 702 is used to control mobile movable loading point 20 from described reference position E1, and positive movement the 3rd time period t 3 makes it stop at forward halt point M2 place, and delay time section t.
Described reverse control subelement 703 is used to control described mobile movable loading point 20 and begins counter motion second time period t 2 from forward halt point M2, makes it stop at reverse halt point M1 place, and delay time section t.
Described forward control subelement 704 is used to control described mobile movable loading point 20 and begins positive movement very first time section t1 from reverse halt point M1, makes it stop at forward halt point M2 place, and delay time section t.
Wherein: described very first time section t1 is: t1=(L-S1-S2)/V1.
Described second time period t 2 is: t2=(L-S1-S2)/V2.
Described the 3rd time period t 3 is: t3=(L-S2)/V1.
Wherein, described t2 was second time period; T1 is a very first time section; L is the length of large-sized silo; S1 is first length; S2 is second length; V2 is mobile movable loading point counter motion speed; V1 is mobile movable loading point positive movement speed.
Be offset for fear of described mobile movable loading point 20, can increase tally function, limit the maximum round trip number of times of described mobile movable loading point 20 on the orbit of described feed bin 10.
Described back and forth movement control unit 70 further comprises: control unit 706 (not shown)s are restarted in counting machine 705 and timing.
Described counting machine 705 is used for moving one when round between described forward halt point and described reverse halt point when described mobile movable loading point 20, and counts adds 1.
Control unit 706 is restarted in described timing, is used for when the counts of described counting machine 705 during greater than default maximum count number of times, and described counting machine 706 makes zero, and controls described mobile movable loading point 20 counter motions to reference position E1, restarts timing.
The above only is a preferred implementation of the present invention, does not constitute the qualification to protection domain of the present invention.Any any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (10)
1. a large-sized silo charging control method is characterized in that, described control method comprises:
Control mobile movable loading point to a lateral movement to end position, be defined as reference position, the direction of establishing away from reference position is a forward, is reverse near the direction of reference position;
Control mobile movable loading point from reference position positive movement first length, be defined as reverse halt point;
Control described mobile movable loading point positive movement to end position, be defined as the direct limit point;
Control mobile movable loading point from direct limit point counter motion second length, be defined as the forward halt point;
Control mobile movable loading point back and forth movement between described forward halt point and reverse halt point;
Wherein, described first length and second length are all less than described feed bin length.
2. control method according to claim 1 is characterized in that, adopts following step to control mobile movable loading point back and forth movement between described forward halt point and described reverse halt point:
Steps A: control mobile second time period of movable loading point counter motion;
Step B: control mobile movable loading point positive movement very first time section, return steps A;
Wherein, described second time period is: t2=(L-S1-S2)/V2;
Described very first time section is: t1=(L-S1-S2)/V1;
Described t2 was second time period; T1 is a very first time section; L is the length of large-sized silo; S1 is first length; S2 is second length; V2 is mobile movable loading point counter motion speed; V1 is mobile movable loading point positive movement speed.
3. control method according to claim 2 is characterized in that, before steps A, further comprises:
A1: feed bin charging beginning, control mobile movable loading point counter motion to reference position, pick up counting;
A2: control mobile the 3rd time period of movable loading point positive movement;
Wherein, described the 3rd time period is: t3=(L-S2)/V1;
Described t3 was the 3rd time period; L is the length of large-sized silo; S2 is second length; V1 is mobile movable loading point positive movement speed.
4. control method according to claim 3 is characterized in that, after the mobile movable loading point positive movement very first time section of the described control of step B, return steps A before, further comprise:
Step C: whether enabling counting device, the counts of judging described counting machine greater than default maximum count number of times, if, enter step D, if not, described rolling counters forward number of times adds 1, returns steps A;
Step D: described counting machine makes zero, and controls described mobile movable loading point counter motion to reference position, restarts timing, returns steps A 2.
5. control method according to claim 4 is characterized in that, described default maximum count number of times is 100 times.
6. control method according to claim 3 is characterized in that, described control method further comprises: in described reference position travel switch is set;
Control mobile movable loading point counter motion to reference position, when described mobile movable loading point triggers described travel switch, restart timing, return steps A 2.
7. according to each described control method of claim 1 to 6, it is characterized in that, described first length and the second length addition and equal 5% of described feed bin length.
8. large-sized silo charging control system, comprise feed bin, mobile movable loading point, it is characterized in that described system also comprises: reference position acquiring unit, oppositely halt point acquiring unit, direct limit position acquiring unit, forward halt point acquiring unit, and back and forth movement control unit;
Described reference position acquiring unit, be used to control mobile movable loading point to a lateral movement to end position, be defined as reference position, order is a forward away from the reference position direction, is reverse near the reference position direction;
Described reverse halt point acquiring unit is used to control mobile movable loading point from reference position positive movement first length, is defined as reverse halt point;
Described direct limit point acquiring unit is used to control described mobile movable loading point positive movement to end position, is defined as the direct limit point;
Described forward halt point acquiring unit is used to control mobile movable loading point from direct limit point counter motion second length, is defined as the forward halt point;
Described back and forth movement control unit is used to control mobile movable loading point back and forth movement between described forward halt point and described reverse halt point.
9. control system according to claim 8 is characterized in that, described back and forth movement control unit comprises: oppositely control subelement and forward control subelement:
Described reverse control subelement is used to control mobile second time period of movable loading point counter motion;
Described forward control subelement is used to control mobile movable loading point positive movement very first time section;
Wherein, described second time period is: t2=(L-S1-S2)/V2;
Described very first time section is: t1=(L-S1-S2)/V1;
Described t2 was second time period; T1 is a very first time section; L is the length of large-sized silo; S1 is first length; S2 is second length; V2 is mobile movable loading point counter motion speed; V1 is mobile movable loading point positive movement speed.
10. control system according to claim 9 is characterized in that, described back and forth movement control unit further comprises: timing start-up control subelement and first motion control subelement;
Described timing start-up control subelement is used for controlling mobile movable loading point counter motion to reference position in feed bin charging beginning, picks up counting;
Described first motion control subelement is used to control mobile the 3rd time period of movable loading point positive movement;
Wherein, described the 3rd time period is: t3=(L-S2)/V1;
Described t3 was the 3rd time period; L is the length of large-sized silo; S2 is second length; V1 is mobile movable loading point positive movement speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101732919A CN101386377B (en) | 2008-10-31 | 2008-10-31 | Large-sized silo charging control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101732919A CN101386377B (en) | 2008-10-31 | 2008-10-31 | Large-sized silo charging control method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101386377A CN101386377A (en) | 2009-03-18 |
| CN101386377B true CN101386377B (en) | 2011-08-17 |
Family
ID=40476092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101732919A Active CN101386377B (en) | 2008-10-31 | 2008-10-31 | Large-sized silo charging control method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101386377B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791144B (en) * | 2010-02-25 | 2012-11-28 | 山东中烟工业公司 | Method for controlling stored tobacco leave/cut tobacco flexible adjustable spreading loading manner of top cabinet |
| CN103723527B (en) * | 2014-01-03 | 2016-03-30 | 浙江中烟工业有限责任公司 | A kind of soft localization method storing up cabinet charge car |
| CN104495412B (en) * | 2014-11-19 | 2017-02-08 | 中冶长天国际工程有限责任公司 | Method and device for controlling distributing device |
| CN108069174B (en) * | 2016-11-18 | 2020-08-11 | 上海伦联机电设备有限公司 | Compressor and control method and controller thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2744706A1 (en) * | 1996-02-12 | 1997-08-14 | Tech Service Carrosserie Ind | CONTROLLED DELIVERY AND TRACKING SYSTEM FOR BULK PRODUCTS |
| US6390006B1 (en) * | 2000-01-18 | 2002-05-21 | Seabulk Systems, Inc. | Sea bulk transfer vessel |
| CN101121469A (en) * | 2006-08-10 | 2008-02-13 | 包起帆 | Bulk cargo automation field material stacking and fetching system and its material stacking and fetching method |
-
2008
- 2008-10-31 CN CN2008101732919A patent/CN101386377B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2744706A1 (en) * | 1996-02-12 | 1997-08-14 | Tech Service Carrosserie Ind | CONTROLLED DELIVERY AND TRACKING SYSTEM FOR BULK PRODUCTS |
| US6390006B1 (en) * | 2000-01-18 | 2002-05-21 | Seabulk Systems, Inc. | Sea bulk transfer vessel |
| CN101121469A (en) * | 2006-08-10 | 2008-02-13 | 包起帆 | Bulk cargo automation field material stacking and fetching system and its material stacking and fetching method |
Non-Patent Citations (3)
| Title |
|---|
| 付三强等.烧结配料集散型过程控制系统.《冶金自动化》.1989,(第06期), * |
| 吴继业等.可编程控制器在粉料输送仓中自动控制的应用.《陶瓷》.1999,(第05期), * |
| 苏宇.关于利用PC机在陶瓷粉料装仓中实现自动控制的应用.《中国陶瓷工业》.1996,(第02期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101386377A (en) | 2009-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101386377B (en) | Large-sized silo charging control method and system | |
| CN101386376B (en) | Large-sized silo charging intelligent control method and system | |
| CN104827548B (en) | Pressing forming device and method for building wallboards | |
| CN202754468U (en) | Automatic feeding device | |
| CN103878844B (en) | The bamboo cane feed arrangement of weaving bamboo mat machine | |
| CN108608463B (en) | Industrial robot conveyor belt dynamic tracking method | |
| CN103376768B (en) | A kind of heavy side press many equipment coordinations control method | |
| CN101497211A (en) | Brick-making dynamoelectric integrated blank-cutting method and active cut-in type blank-cutting machine | |
| CN105731082A (en) | All-directional stacking system of automatic robot | |
| CN101776888B (en) | Shearing method of flying shears and special motion controller for flying shears | |
| CN104518710B (en) | Multi-shaft motor synchronization control method and multi-shaft motor synchronization control system | |
| CN105417213A (en) | High-accuracy locating system of energy-saving type heavy-load distribution trolley and control method of high-accuracy locating system | |
| CN104364174A (en) | Device and method for separating value documents, and value document processing system | |
| CN103056211A (en) | System and method for controlling continuous feeding and high-speed stamping mechanism | |
| CN204473792U (en) | Pliable and tough disk material automatic charging device | |
| CN103272978A (en) | Automatic feeding device and full-automatic thread-rolling machine | |
| CN207630521U (en) | A kind of power spreading device of increasing material manufacturing | |
| CN201800979U (en) | Welding rod on-line counting device of welding rod automatic packaging line | |
| CN201347289Y (en) | Stopper | |
| CN203997833U (en) | Pusher | |
| CN204473219U (en) | A kind of snack box compress | |
| CN204412947U (en) | A kind of lathe reason material feeder | |
| CN203095049U (en) | Stochastic control device for belt conveyors | |
| CN203654687U (en) | Automatic brick distributing device for laying external wall bricks | |
| CN204314229U (en) | A kind of novel hard alloy cutter automatic detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |