CN102505618A - Sprinkling control equipment, method and system for sprinkling device, and engineering machinery equipment - Google Patents
Sprinkling control equipment, method and system for sprinkling device, and engineering machinery equipment Download PDFInfo
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- CN102505618A CN102505618A CN2011104096739A CN201110409673A CN102505618A CN 102505618 A CN102505618 A CN 102505618A CN 2011104096739 A CN2011104096739 A CN 2011104096739A CN 201110409673 A CN201110409673 A CN 201110409673A CN 102505618 A CN102505618 A CN 102505618A
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Abstract
The invention discloses a sprinkling control equipment, method and system for sprinkling device, and engineering machinery equipment. The sprinkling device is connected with a pump via a pipeline, and driven by the pump. The sprinkling control equipment comprises a receiving device for receiving the sprinkling pressure at the outlet of the sprinkling device and the actual rotation speed of the pump; and a rotation speed adjusting device connected with the receiving device; and is used for comparing the sprinkling pressure with a given sprinkling pressure, adjusting a desired rotation speed of the pump according to the comparison result, and comparing the actual rotation speed with the desired rotation speed and accordingly adjusting the rotation speed of the pump. The invention realizes rotation speed inner loop and sprinkling pressure outer loop control, the rotation speed inner loop can adjust the rotation speed of the pump, so as to improve rotation speed dynamic response performance, and the sprinkling pressure outer loop can adjust the sprinkling pressure to ensure a constant sprinkling pressure and realize uniform sprinkling.
Description
Technical field
The present invention relates to engineering machinery field, particularly, relate to a kind of sprinkling control appliance, method, system and engineering mechanical device that is used for flusher.
Background technology
Present field of road engineering machinery relates to the liquid towards material often and sprays.For example for road roller; In asphalt pavement construction; Road roller plays the important function of flattening-out and compacting when pitch material paving layer is rolled to each paving layer; Its sprinkler system can form on the steel wheel surface and cover water layer uniformly to the even water spray in steel wheel surface that rolls, and influences the planeness on compaction quality and road surface to avoid pitch to bond the steel wheel surface.For paver, particularly thin layer paves, and it need spray mulseal, with one deck bituminous mixture that paves, the road structure interlayer is connected firmly, and improves service life of road surface.
Yet, for present flusher, guarantee that the uniformity of spraying is a problem demanding prompt solution.
Summary of the invention
The purpose of this invention is to provide a kind of sprinkling control appliance, method, system and engineering mechanical device that is used for flusher, it can realize even sprinkling.
To achieve these goals; The present invention provides a kind of sprinkling control appliance that is used for flusher, and this flusher links to each other through pipeline with pump, and is driven by this pump; This equipment comprises: receiving system is used to receive the spray pressure in said flusher exit and the actual speed of said pump; Speed setting unit links to each other with said receiving system, is used for: said spray pressure and given spray pressure are compared, regulate the expectation rotating speed of said pump according to this comparative result; And said actual speed and said expectation rotating speed compared, regulate the rotating speed of said pump according to this comparative result.
Correspondingly, the present invention also provides a kind of sprinkling control method that is used for flusher, and this flusher links to each other through pipeline with pump, and is driven by this pump, and this method comprises: receive the spray pressure in said flusher exit and the actual speed of said pump; Said spray pressure and given spray pressure are compared, regulate the expectation rotating speed of said pump according to this comparative result; And said actual speed and said expectation rotating speed compared, regulate the rotating speed of said pump according to this comparative result.
Correspondingly, the present invention also provides a kind of sprinkling control system that is used for flusher, and this system comprises: above-mentioned sprinkling control appliance; Speed detector links to each other with said receiving system, is used to detect the actual speed of said pump; And the spray pressure checkout gear, link to each other with said receiving system, be used to detect the spray pressure of said flusher.
Correspondingly, the present invention also provides a kind of engineering mechanical device, and this equipment comprises above-mentioned sprinkling control system.
Through technique scheme, realized ring in the rotating speed, the control of spray pressure outer shroud, the rotating speed of ring scalable pump helps improving the speed dynamic response performance in the rotating speed; Spray pressure outer shroud scalable spray pressure guarantees that spray pressure is constant, realizes evenly spraying.
Other features and advantages of the present invention will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of manual, is used to explain the present invention with the following specific embodiment, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of first embodiment of sprinkling control appliance provided by the invention;
Fig. 2 is the workflow sketch map of speed setting unit;
Fig. 3 shows the concrete structure of flusher and the sketch map of the course of work;
Fig. 4 is the structural representation of second embodiment of sprinkling control appliance provided by the invention;
Fig. 5 is spray bars and the position schematic layout pattern of shower nozzle on it on the paver;
Fig. 6 is the structural representation of the 3rd embodiment of sprinkling control appliance provided by the invention; And
Fig. 7 is the overall operation process flow diagram flow chart that is used for the sprinkling control device of flusher provided by the invention.
Description of reference numerals
10 pumps, 20 flushers
100 receiving systems, 210 speed setting units
220 frequency regulation arrangements, 230 duty cycle adjustment devices
240 nozzle switch control device, 15 spray bars
25 crawler belt 15-1 to 15-8 shower nozzles
The specific embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention.Should be understood that the specific embodiment described herein only is used for explanation and explains the present invention, is not limited to the present invention.
Fig. 1 is the structural representation of first embodiment of sprinkling control appliance provided by the invention, and Fig. 2 is the workflow sketch map of speed setting unit.As depicted in figs. 1 and 2; The invention provides a kind of sprinkling control appliance that is used for flusher 20; This flusher 20 and pump 10 link to each other through pipeline, and are driven by this pump 10, and this equipment comprises: receiving system 100; The spray pressure that is used to receive said flusher 20 exits (for example, 3bar) and the actual speed of said pump 10; Speed setting unit 210 links to each other with said receiving system 100, is used for: said spray pressure and given spray pressure are compared, regulate the expectation rotating speed of said pump 10 according to this comparative result; And said actual speed and said expectation rotating speed compared, regulate the rotating speed of said pump 10 according to this comparative result.By this, realized ring in the rotating speed, the control of spray pressure outer shroud, the rotating speed of ring scalable pump 10 helps improving the speed dynamic response performance in the rotating speed; Spray pressure outer shroud scalable spray pressure guarantees that spray pressure is constant, realizes evenly spraying.
Wherein, said speed setting unit 210 is used for: during less than said given spray pressure, increase said expectation rotating speed at said spray pressure; And during greater than said given spray pressure, reduce said expectation rotating speed at said spray pressure.During less than said expectation rotating speed, increase the rotating speed of said pump 10 in said actual speed; And during greater than said expectation rotating speed, reduce the rotating speed of said pump 10 in said actual speed.Adjusting to pump 10 expectation rotating speeds and actual speed specifically can adopt proportional plus integral control to realize, the present invention is not limited to this certainly, and other algorithms that can realize similar purpose also can be applicable to this, such as FUZZY ALGORITHMS FOR CONTROL.
In order further to realize spraying evenly, the present invention also comprises the sprinkling frequency and sprays duty cycle adjustment, below in conjunction with Fig. 3 and Fig. 4 this process described.
Generally speaking, said flusher comprises spray bars and is positioned at the one or more shower nozzles on this spray bars that said spray bars is installed on road roller or the paver, can move along with road roller or paver.Fig. 3 shows the concrete structure of flusher and the sketch map of the course of work.One spray bars 15 has been shown among the figure and has been positioned at the shower nozzle 15-1 to 15-3 on this spray bars, direction shown in the hollow arrow is the flusher moving direction, and is promptly vertical, and L is vertical spray width of shower nozzle 15-1, and W is the horizontal spray width of shower nozzle 15-1.Need to prove that each shower nozzle is at given spray pressure and under the situation of the height on ground, all have fixing vertical spray width (unit can be m), horizontal spray width (unit can be m) and spray discharge capacity (unit can be kg/m
2), this is the characteristic of shower nozzle.
Fig. 4 is the structural representation of second embodiment of sprinkling control appliance provided by the invention.Preferably; As shown in Figure 4, said receiving system 100 also is used to receive the translational speed of said flusher, and said equipment also comprises: frequency regulation arrangement 220; Link to each other the sprinkling frequency of the said shower nozzle of sprinkling FREQUENCY CONTROL that is used for calculating according to following formula with said receiving system 100:
f＝V/W，
Wherein, f is for spraying frequency, and V is the translational speed of said flusher, and W is the horizontal spray width of said shower nozzle.By this, can regulate automatically and spray frequency according to the moving of flusher, make neither to occur spraying overlapping, also can guarantee to spray to cover and sprayed the zone and go up each part, the final realization evenly sprayed.
When said frequency regulation arrangement 220 opens and closes at the said shower nozzle of control; Generally realize through the control pneumatic operated valve; Yet this pneumatic operated valve has a upper limiting frequency, is higher than this upper limiting frequency if spray frequency, and can cause can't be with the sprinkling frequency adjustment of shower nozzle to the sprinkling frequency that is higher than this upper limiting frequency.In addition, for the liquid that sprays was mulseal, too high sprinkling frequency also can cause mulseal demulsifying phenomenon to occur.And, then can cause the sprinkling amount to be difficult to accurate control if spray underfrequency.Preferably; Said frequency regulation arrangement 220 is after calculating the sprinkling frequency; Can this sprinkling frequency be compared with the first threshold and second threshold value respectively,, then send said shower nozzle is replaced by the cue that has than the shower nozzle of the littler horizontal spray width of horizontal spray width of said shower nozzle if should spray frequency less than first threshold; Spray frequency and show that less than first threshold the sprinkling frequency is lower; The translational speed that flusher is described is slow, uses little horizontal spray width instead and helps improving pneumatic best the spray frequency of sprinkling frequency to said pneumatic operated valve, thereby improve precision; If should spray frequency greater than second threshold value; Then send said shower nozzle is replaced by the bigger laterally cue of the shower nozzle of spray width of horizontal spray width that has than said shower nozzle; Spray frequency and show that greater than second threshold value sprinkling frequency is higher; The translational speed that flusher is described is fast, uses big laterally spray width instead and helps reducing pneumatic best the spray frequency of sprinkling frequency to said pneumatic operated valve, thereby improve precision.For example, can this cue be sent on the display, change with the prompting user.Wherein, the span of said first threshold can be 1-2 time/second, and the span of said second threshold value can be 6-10 time/second, by pneumatic operated valve characteristic and/or the decision of mulseal characteristic.
Preferably; Said receiving system 100 also is used to receive by the required sprinkling amount of sprinkling area unit area; Said equipment also comprises: duty cycle adjustment device 230; Link to each other with said receiving system 100, the sprinkling duty that is used for calculating according to following formula is recently controlled the sprinkling dutycycle of said flusher:
Wherein, α is for spraying dutycycle, and Q is sprayed the required sprinkling amount of area unit area, and L is vertical spray width of said shower nozzle, and q is the sprinkling discharge capacity of said shower nozzle.By this, regulate dutycycle in this way, can guarantee that the actual sprinkling amount of shower nozzle can satisfy by the required sprinkling amount of sprinkling area unit area.
Preferably, said duty cycle adjustment device also was used at said α more than or equal to 1 o'clock, sent said shower nozzle is replaced by the cue that has than the shower nozzle of the bigger discharge capacity of discharge capacity of said shower nozzle.Duty cycle alpha shows that more than or equal to 1 the nozzle of current discharge capacity can't satisfy the required sprinkling amount of area unit area of spraying, and needs to change the shower nozzle of bigger discharge capacity this moment.
Spray evenly in order further to realize, the present invention also comprises the nozzle switch logic control, below in conjunction with Fig. 5 and Fig. 6 this process is described.
Fig. 5 shows spray bars and the position schematic layout pattern of shower nozzle on it on the paver.As shown in Figure 5; The figure shows the left and right sides crawler belt 25 of paver and lay respectively at the spray bars 15 of these left and right sides crawler belt 25 both sides; Having a plurality of shower nozzles on each spray bars 15, below is that example describes with spray bars 15 and the shower nozzle 15-1 to 15-8 on this spray bars 15 that is positioned at left crawler belt 15 1 sides only.
In the sprinkling process, shower nozzle 15-1 to the 15-8 full open if the angle theta between spray bars 15 and the crawler belt 25 is too small, a large amount of sprinklings of shower nozzle appearance that can cause being positioned on the spray bars 15 are overlapping, are unfavorable for being sprayed to the rainfall distribution uniformity of the pitch on the road surface.Fig. 6 is the structural representation of the 3rd embodiment of sprinkling control appliance provided by the invention.Preferably; As shown in Figure 6; Said receiving system 100 also is used to receive the angle between said spray bars 15 and the said flusher moving direction; This angle is equal to the angle theta between the spray bars 15 and crawler belt 25 among Fig. 5, i.e. spray bars 15 start points, and the photoelectric encoder of the start point that this angle theta can be through being used to detect spray bars 15 detects; Said equipment also comprises: nozzle switch control device 240; Link to each other with said receiving system 100; Be used for according to this angle and nozzle switch control logic table; Control the switch of said one or more shower nozzle 15-1 to 15-8, wherein said nozzle switch control logic table stores the corresponding relation between the switch situation of angle and said one or more shower nozzle 15-1 to 15-8 between said spray bars 15 and the said flusher moving direction.By this, to different angles, control the switch situation of said one or more shower nozzle 15-1 to 15-8, for example which shower nozzle is opened, and which shower nozzle is closed, and sprays overlapping situation to guarantee not have between the shower nozzle, improves and sprays uniformity.
Said switch control logic table can be set up through following steps: according to the angle between said spray bars 15 and the said flusher moving direction and the length of said spray bars 15, calculate total spray width; And, confirm the switch situation of said one or more shower nozzles according to the spray width of total spray width and each shower nozzle, overlapping with the sprinkling that reduces between the shower nozzle.For example, for the described situation of Fig. 5, suppose that the shower nozzle 15-1 to 15-8 on the spray bars 15 evenly distributes, and vertical spray width of each shower nozzle is identical, can calculates total spray width of spray bars 15 through following formula:
K＝S*sinθ，
Wherein, K is total spray width of spray bars 15, and S is the length of spray bars 15, and θ is the start point of spray bars 15,
Afterwards, can calculate the number that shower nozzle is opened through following formula:
Wherein, N is the number that shower nozzle is opened, and L is vertical spray width of single shower nozzle.
Thereby, can draw following relation, this relation is the switch control logic table:
When θ=0 °, control all shower nozzle 15-1 to 15-8 Close Alls;
During as
; Control shower nozzle 15-1 opens, and all the other shower nozzles are closed;
During as
; Control shower nozzle 15-1,15-6 open, and all the other shower nozzles are closed; By that analogy and
When θ=90 °, control all shower nozzle 15-1 to 15-8 and all open.
More than be merely example; Can be (for example to various practical situation; Shower nozzle maybe and non-uniform Distribution, and each shower nozzle possibly have different vertical spray width) generate nozzle switch control logic table, as long as make the overlapping minimum of sprinkling at different angle lower nozzles.
Need to prove that above-mentioned first embodiment, second embodiment and the 3rd embodiment can be implemented separately, can also make up and implement with any-mode.Above-mentioned speed setting unit 210, frequency regulation arrangement 220, duty cycle adjustment device 230 and nozzle switch control device 240 can by a controller (such as; Single-chip microcomputer, become logic circuit, microprocessor etc.) realize, also can realize by the controller of a plurality of separation.
Fig. 7 is the overall operation process flow diagram flow chart that is used for the sprinkling control device of flusher provided by the invention.As shown in Figure 7, at first, can receive given spray pressure, sprayed the required sprinkling amount of area unit area, flusher translational speed (being equal to the paver or the road roller speed of travel) and spray bars start point.Afterwards, carry out following operation:
(1) according to the actual speed of the spray pressure and the pump of given spray pressure, flusher, regulate the rotating speed of pump, make spray pressure equate with given spray pressure;
(2) sprayed frequency and dutycycle according to spraying required sprinkling amount and the flusher translational speed of area unit area, calculating, and control the pneumatic operated valve that links to each other with shower nozzle according to this frequency and dutycycle; And
(3) according to the spray bars start point, inquiry switch control logic table obtains the nozzle switch situation, and controls the pneumatic operated valve that links to each other with shower nozzle according to this switch situation.
Spray control device through this, can realize the constant control of spray pressure, spray the stepless control of frequency, spray dutycycle control and the logic control of spray bars spout, have and spray evenly, spray the little advantage of region overlapping.
Correspondingly, the present invention provides a kind of sprinkling control method that is used for flusher in addition, and this flusher links to each other through pipeline with pump, and is driven by this pump, and this method comprises: receive the spray pressure in said flusher exit and the actual speed of said pump; Said spray pressure and given spray pressure are compared, regulate the expectation rotating speed of said pump according to this comparative result; And said actual speed and said expectation rotating speed compared, regulate the rotating speed of said pump according to this comparative result.
Wherein, during less than said given spray pressure, increase said expectation rotating speed at said spray pressure; And during greater than said given spray pressure, reduce said expectation rotating speed at said spray pressure.
Wherein, during less than said expectation rotating speed, increase the rotating speed of said pump in said actual speed; And during greater than said expectation rotating speed, reduce the rotating speed of said pump in said actual speed.
Wherein, said flusher can comprise spray bars and be positioned at the one or more shower nozzles on this spray bars that said method comprises: receive the angle between said spray bars and the said flusher moving direction; And according to this angle and nozzle switch control logic table; Control the switch of said one or more shower nozzles, wherein said nozzle switch control logic table stores the corresponding relation between the switch situation of angle and said one or more shower nozzles between said spray bars and the said flusher moving direction.
Wherein, said switch control logic table can be set up through following steps: according to the angle between said spray bars and the said flusher moving direction and the length of said spray bars, calculate total spray width; And, confirm the switch situation of said one or more shower nozzles according to the spray width of total spray width and each shower nozzle, overlapping with the sprinkling that reduces between the shower nozzle.
Wherein, said flusher comprises spray bars and is positioned at the one or more shower nozzles on this spray bars that this method also comprises:
Receive the translational speed of said flusher;
The sprinkling frequency of the said shower nozzle of sprinkling FREQUENCY CONTROL that calculates according to following formula:
f＝V/W，
Wherein, f is for spraying frequency, and V is the translational speed of said flusher, and W is the horizontal spray width of said shower nozzle.
Wherein, this method also comprises: in the sprinkling frequency that is calculated during less than first threshold, send said shower nozzle is replaced by the cue that has than the shower nozzle of the littler horizontal spray width of horizontal spray width of said shower nozzle; , then send said shower nozzle is changed the bigger laterally cue of the shower nozzle of spray width of horizontal spray width that has than said shower nozzle during in the sprinkling frequency that is calculated greater than second threshold value.
Wherein, this method also comprises: receive and sprayed the required sprinkling amount of area unit area; The sprinkling duty that calculates according to following formula is recently controlled the sprinkling dutycycle of said flusher:
Wherein, α is for spraying dutycycle, and Q is sprayed the required sprinkling amount of area unit area, and L is vertical spray width of said shower nozzle, and q is the sprinkling discharge capacity of said shower nozzle.
Preferably, this method also can be included in said α more than or equal to 1 o'clock, sent said shower nozzle is replaced by the cue that has than the shower nozzle of the bigger discharge capacity of discharge capacity of said shower nozzle.
Correspondingly, a kind of sprinkling control system that is used for flusher of the present invention, this flusher links to each other through pipeline with pump, and is driven by this pump, and this system comprises: above-mentioned sprinkling control appliance; Speed detector links to each other with said receiving system 100, is used to detect the actual speed of said pump, for example can realize through the velocity sensor of installing on the pump; And the spray pressure checkout gear, link to each other with said receiving system 100, be used to detect the spray pressure of said flusher.Practical implementation situation according to above sprinkling control appliance; This system can comprise that also the translational speed checkout gear (is used to detect the translational speed of said flusher; When flusher is installed on the vehicle; This translational speed is the translational speed of vehicle; Can realize by motor speed sensor) and/or angle detection device (being used to detect angle between said spray bars and the said flusher moving direction), this translational speed checkout gear and/or angle detection device link to each other with said receiving system 100.
Correspondingly, the present invention also provides a kind of engineering mechanical device, and this equipment comprises the above-mentioned sprinkling control system that is used for flusher.
Relevant above-mentioned sprinkling control method, the detail and the benefit of spraying control system and engineering mechanical device see also above-mentioned relevant description of spraying control appliance, repeat no more in this.
Through the present invention, the constant control of spray pressure be can realize, spray the stepless control of frequency, dutycycle control and the logic control of spray bars spout sprayed, have and spray evenly, spray the little advantage of region overlapping.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned embodiment; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.
Claims (22)
1. sprinkling control appliance that is used for flusher, this flusher links to each other through pipeline with pump, and is driven by this pump, it is characterized in that this equipment comprises:
Receiving system is used to receive the spray pressure in said flusher exit and the actual speed of said pump;
Speed setting unit links to each other with said receiving system, is used for:
Said spray pressure and given spray pressure are compared, regulate the expectation rotating speed of said pump according to this comparative result; And
Said actual speed and said expectation rotating speed are compared, regulate the rotating speed of said pump according to this comparative result.
2. equipment according to claim 1 is characterized in that, said speed setting unit is used for:
During less than said given spray pressure, increase said expectation rotating speed at said spray pressure; And
During greater than said given spray pressure, reduce said expectation rotating speed at said spray pressure.
3. equipment according to claim 1 is characterized in that, said speed setting unit is used for:
During less than said expectation rotating speed, increase the rotating speed of said pump in said actual speed; And
During greater than said expectation rotating speed, reduce the rotating speed of said pump in said actual speed.
4. according to the described equipment of each claim among the claim 1-3, it is characterized in that said flusher comprises spray bars and is positioned at the one or more shower nozzles on this spray bars; Said receiving system also is used to receive the angle between said spray bars and the said flusher moving direction; Said equipment also comprises:
The nozzle switch control device; Link to each other with said receiving system; Be used for according to this angle and nozzle switch control logic table; Control the switch of said one or more shower nozzles, wherein said nozzle switch control logic table stores the corresponding relation between the switch situation of angle and said one or more shower nozzles between said spray bars and the said flusher moving direction.
5. equipment according to claim 4 is characterized in that, said switch control logic table is set up through following steps:
According to the angle between said spray bars and the said flusher moving direction and the length of said spray bars, calculate total spray width; And
According to the spray width of total spray width and each shower nozzle, confirm the switch situation of said one or more shower nozzles, overlapping with the sprinkling that reduces between the shower nozzle.
6. according to the described equipment of each claim among the claim 1-3; It is characterized in that; Said flusher comprises spray bars and is positioned at the one or more shower nozzles on this spray bars, and said receiving system also is used to receive the translational speed of said flusher, and this equipment also comprises:
Frequency regulation arrangement links to each other with said receiving system, the sprinkling frequency of the said shower nozzle of sprinkling FREQUENCY CONTROL that is used for calculating according to following formula:
f＝V/W，
Wherein, f is for spraying frequency, and V is the translational speed of said flusher, and W is the horizontal spray width of said shower nozzle.
7. equipment according to claim 6; It is characterized in that; Said frequency regulation arrangement also is used in the sprinkling frequency that is calculated during less than first threshold, then sends said shower nozzle is replaced by the cue that has than the shower nozzle of the littler horizontal spray width of horizontal spray width of said shower nozzle.
8. equipment according to claim 6; It is characterized in that; Said frequency regulation arrangement also is used in the sprinkling frequency that is calculated during greater than second threshold value, then sends said shower nozzle is replaced by the bigger laterally cue of the shower nozzle of spray width of horizontal spray width that has than said shower nozzle.
9. equipment according to claim 6 is characterized in that, said receiving system also is used to receive by the required sprinkling amount of sprinkling area unit area, and said equipment also comprises:
The duty cycle adjustment device links to each other with said receiving system, and the sprinkling duty that is used for calculating according to following formula is recently controlled the sprinkling dutycycle of said shower nozzle:
Wherein, α is for spraying dutycycle, and Q is sprayed the required sprinkling amount of area unit area, and L is vertical spray width of said shower nozzle, and q is the sprinkling discharge capacity of said shower nozzle.
10. equipment according to claim 9 is characterized in that, said duty cycle adjustment device also was used at said α more than or equal to 1 o'clock, sends said shower nozzle is replaced by the cue that has than the shower nozzle of the bigger discharge capacity of discharge capacity of said shower nozzle.
11. a sprinkling control method that is used for flusher, this flusher links to each other through pipeline with pump, and is driven by this pump, it is characterized in that this method comprises:
Receive the spray pressure in said flusher exit and the actual speed of said pump;
Said spray pressure and given spray pressure are compared, regulate the expectation rotating speed of said pump according to this comparative result; And
Said actual speed and said expectation rotating speed are compared, regulate the rotating speed of said pump according to this comparative result.
12. method according to claim 11 is characterized in that,
During less than said given spray pressure, increase said expectation rotating speed at said spray pressure; And
During greater than said given spray pressure, reduce said expectation rotating speed at said spray pressure.
13. method according to claim 11 is characterized in that,
During less than said expectation rotating speed, increase the rotating speed of said pump in said actual speed; And
During greater than said expectation rotating speed, reduce the rotating speed of said pump in said actual speed.
14., it is characterized in that said flusher comprises spray bars and be positioned at the one or more shower nozzles on this spray bars that said method comprises according to the described method of each claim among the claim 11-13:
Receive the angle between said spray bars and the said flusher moving direction; And
According to this angle and nozzle switch control logic table; Control the switch of said one or more shower nozzles, wherein said nozzle switch control logic table stores the corresponding relation between the switch situation of angle and said one or more shower nozzles between said spray bars and the said flusher moving direction.
15. method according to claim 14 is characterized in that, said switch control logic table is set up through following steps:
According to the angle between said spray bars and the said flusher moving direction and the length of said spray bars, calculate total spray width; And
According to the spray width of total spray width and each shower nozzle, confirm the switch situation of said one or more shower nozzles, overlapping with the sprinkling that reduces between the shower nozzle.
16., it is characterized in that said flusher comprises spray bars and be positioned at the one or more shower nozzles on this spray bars that this method also comprises according to the described method of each claim among the claim 11-13:
Receive the translational speed of said flusher;
The sprinkling frequency of the said shower nozzle of sprinkling FREQUENCY CONTROL that calculates according to following formula:
f＝V/W，
Wherein, f is for spraying frequency, and V is the translational speed of said flusher, and W is the horizontal spray width of said shower nozzle.
17. method according to claim 16 is characterized in that, this method also comprises:
, send said shower nozzle is replaced by the bigger laterally cue of the shower nozzle of spray width of horizontal spray width that has than said shower nozzle during in the sprinkling frequency that is calculated less than first threshold.
18. method according to claim 16 is characterized in that, this method also comprises:
, then send said shower nozzle is replaced by the bigger laterally cue of the shower nozzle of spray width of horizontal spray width that has than said shower nozzle during in the sprinkling frequency that is calculated greater than second threshold value.
19. method according to claim 16 is characterized in that, this method also comprises:
Receive and sprayed the required sprinkling amount of area unit area;
The sprinkling duty that calculates according to following formula is recently controlled the sprinkling dutycycle of said flusher:
Wherein, α is for spraying dutycycle, and Q is sprayed the required sprinkling amount of area unit area, and L is vertical spray width of said shower nozzle, and q is the sprinkling discharge capacity of said shower nozzle.
20. method according to claim 19 is characterized in that, this method also comprises:
, sent said shower nozzle is replaced by the cue that has than the shower nozzle of the bigger discharge capacity of discharge capacity of said shower nozzle more than or equal to 1 o'clock at said α.
21. a sprinkling control system that is used for flusher is characterized in that this system comprises:
According to the described sprinkling control appliance of each claim among the claim 1-10;
Speed detector links to each other with said receiving system, is used to detect the actual speed of said pump; And
The spray pressure checkout gear links to each other with said receiving system, is used to detect the spray pressure of said flusher.
22. an engineering mechanical device is characterized in that this equipment comprises system according to claim 21.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161948A (en) * | 2019-04-23 | 2019-08-23 | 湖南瑞霦科技有限公司 | A kind of spraying modified dedicated vehicle control of intelligent high-speed slurrying |
| CN110306406A (en) * | 2019-06-13 | 2019-10-08 | 江苏徐工工程机械研究院有限公司 | It is a kind of for controlling the device and method of liquid horizontal homogeneity |
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| CN110161948A (en) * | 2019-04-23 | 2019-08-23 | 湖南瑞霦科技有限公司 | A kind of spraying modified dedicated vehicle control of intelligent high-speed slurrying |
| CN110306406A (en) * | 2019-06-13 | 2019-10-08 | 江苏徐工工程机械研究院有限公司 | It is a kind of for controlling the device and method of liquid horizontal homogeneity |
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|---|---|
| CN102505618B (en) | 2014-10-15 |
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