CN102505618B - 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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- CN102505618B CN102505618B CN201110409673.9A CN201110409673A CN102505618B CN 102505618 B CN102505618 B CN 102505618B CN 201110409673 A CN201110409673 A CN 201110409673A CN 102505618 B CN102505618 B CN 102505618B
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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 for flusher.
Background technology
Current field of road engineering machinery often relates to liquid towards material and sprays.For example, for road roller, in asphalt pavement construction, road roller plays the important function of flattening-out and compacting in the time that asphalt material paving layer is rolled to each paving layer, its sprinkler system can be to the steel wheel surface uniform water spray rolling, on steel wheel surface, form and cover uniformly water layer, affect the planeness on compaction quality and road surface to avoid pitch bonding steel wheel surface.For paver, particularly thin layer paves, and it need to spray mulseal, with one deck bituminous mixture that paves, road structure interlayer is connected firmly, and improves service life of road surface.
But, for current flusher, ensure that the uniformity of spraying is a problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of sprinkling control appliance, method, system and engineering mechanical device for flusher, it can realize even sprinkling.
To achieve these goals, the invention provides a kind of sprinkling control appliance for flusher, this flusher is connected by pipeline with pump, and is driven by this pump, this equipment comprises: receiving system, for receiving the spray pressure in described flusher exit and the actual speed of described pump; Speed setting unit, is connected with described receiving system, for: described spray pressure and given spray pressure are compared, regulate the expectation rotating speed of described pump according to this comparative result; And described actual speed and described expectation rotating speed are compared, regulate the rotating speed of described pump according to this comparative result.
Correspondingly, the present invention also provides a kind of sprinkling control method for flusher, and this flusher is connected by pipeline with pump, and is driven by this pump, and the method comprises: receive the spray pressure in described flusher exit and the actual speed of described pump; Described spray pressure and given spray pressure are compared, regulate the expectation rotating speed of described pump according to this comparative result; And described actual speed and described expectation rotating speed are compared, regulate the rotating speed of described pump according to this comparative result.
Correspondingly, the present invention also provides a kind of spray control system for flusher, and this system comprises: above-mentioned sprinkling control appliance; Speed detector, is connected with described receiving system, for detection of the actual speed of described pump; And spray pressure checkout gear, be connected with described receiving system, for detection of the spray pressure of described flusher.
Correspondingly, the present invention also provides a kind of engineering mechanical device, and this equipment comprises above-mentioned spray control system.
By technique scheme, realize ring, the control of spray pressure outer shroud in rotating speed, in rotating speed, the rotating speed of the adjustable pump of ring, is conducive to improve speed dynamic response performance; The adjustable spray pressure of spray pressure outer shroud, guarantees that spray pressure is constant, realizes evenly and spraying.
Other features and advantages of the present invention are described in detail the detailed description of the invention part subsequently.
Brief description of the drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for manual, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the first embodiment of sprinkling control appliance provided by the invention;
Fig. 2 is the workflow schematic diagram of speed setting unit;
Fig. 3 shows the concrete structure of flusher and the schematic diagram of the course of work;
Fig. 4 is the structural representation of the second embodiment of sprinkling control appliance provided by the invention;
Fig. 5 is the schematic layout pattern of the spray bars on paver and the shower nozzle that is located thereon;
Fig. 6 is the structural representation of the 3rd embodiment of sprinkling control appliance provided by the invention; And
Fig. 7 is the overall work process flow diagram flow chart of the sprinkling control device for flusher provided by the invention.
Description of reference numerals
10 pump 20 flushers
100 receiving system 210 speed setting units
220 frequency regulation arrangement 230 duty cycle adjustment devices
240 nozzle switch control device 15 spray bars
25 crawler belt 15-1 to 15-8 shower nozzles
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, detailed description of the invention described herein only, for description and interpretation the present invention, is not limited to the present invention.
Fig. 1 is the structural representation of the first embodiment of sprinkling control appliance provided by the invention, the workflow schematic diagram that Fig. 2 is speed setting unit.As depicted in figs. 1 and 2, the invention provides a kind of sprinkling control appliance for flusher 20, this flusher 20 is connected by pipeline with pump 10, and driven by this pump 10, this equipment comprises: receiving system 100, for example, for receiving the spray pressure (, 3bar) in described flusher 20 exits and the actual speed of described pump 10; Speed setting unit 210, is connected with described receiving system 100, for: described spray pressure and given spray pressure are compared, regulate the expectation rotating speed of described pump 10 according to this comparative result; And described actual speed and described expectation rotating speed are compared, regulate the rotating speed of described pump 10 according to this comparative result.By this, realized ring, the control of spray pressure outer shroud in rotating speed, in rotating speed, the rotating speed of the adjustable pump 10 of ring, is conducive to improve speed dynamic response performance; The adjustable spray pressure of spray pressure outer shroud, guarantees that spray pressure is constant, realizes evenly and spraying.
Wherein, described speed setting unit 210 for: in the time that described spray pressure is less than described given spray pressure, increase described expectation rotating speed; And in the time that described spray pressure is greater than described given spray pressure, reduce described expectation rotating speed.In the time that described actual speed is less than described expectation rotating speed, increase the rotating speed of described pump 10; And in the time that described actual speed is greater than described expectation rotating speed, reduce the rotating speed of described pump 10.The adjusting of pump 10 being expected to rotating speed and actual speed specifically can adoption rate integration control realize, and the present invention is not limited to this certainly, and other algorithms that can realize similar object also can be applicable to this, such as FUZZY ALGORITHMS FOR CONTROL.
Spray evenly in order further to realize, the present invention also comprises sprinkling frequency and sprays duty cycle adjustment, below in conjunction with Fig. 3 and Fig. 4, this process is described.
Generally speaking, described flusher comprises spray bars and is positioned at the one or more shower nozzles in this spray bars, and described spray bars is installed on road roller or paver, can move along with road roller or paver.Fig. 3 shows the concrete structure of flusher and the schematic diagram of the course of work.There is shown a spray bars 15 and be positioned at the shower nozzle 15-1 to 15-3 in this spray bars, direction shown in hollow arrow is flusher moving direction, longitudinal, and L is longitudinal spray width of shower nozzle 15-1, and W is the transverse sprinkling width of shower nozzle 15-1.It should be noted that, each shower nozzle is at given spray pressure and apart from the height on ground, and (unit can be m), (unit can be m) and sprays discharge capacity (unit can be kg/m transverse sprinkling width all to have fixing longitudinal spray width
2), this is the characteristic of shower nozzle.
Fig. 4 is the structural representation of the second embodiment of sprinkling control appliance provided by the invention.Preferably, as shown in Figure 4, described receiving system 100 is also for receiving the translational speed of described flusher, and described equipment also comprises: frequency regulation arrangement 220, be connected with described receiving system 100, the sprinkling frequency for shower nozzle described in the sprinkling FREQUENCY CONTROL calculating according to following formula:
f=V/L，
Wherein, f is for spraying frequency, the translational speed that V is described flusher, longitudinal spray width that L is described shower nozzle.By this, can be according to the movement of flusher, automatically regulate and spray frequency, make neither to occur spraying overlapping, also can ensure to spray to cover to be sprayed every part on region, final realization evenly sprayed.
Described frequency regulation arrangement 220 is in the time controlling described shower nozzle switching, generally realize by controlling pneumatic operated valve, but this pneumatic operated valve has a upper limiting frequency, if spray frequency higher than this upper limiting frequency, can cause cannot be by the sprinkling frequency adjustment of shower nozzle to the sprinkling frequency higher than this upper limiting frequency.In addition, for the liquid spraying is mulseal, too high sprinkling frequency also can cause mulseal to occur demulsifying phenomenon.And if sprinkling underfrequency can cause sprinkling amount to be difficult to accurate control.Preferably, described frequency regulation arrangement 220 is after calculating sprinkling frequency, this sprinkling frequency can be compared with first threshold and Second Threshold respectively, if this sprinkling frequency is less than first threshold, send described shower nozzle is replaced by the cue having than the shower nozzle of the less longitudinal spray width of longitudinal spray width of described shower nozzle, spraying frequency is less than first threshold to show to spray frequency lower, the translational speed that flusher is described is slow, use little longitudinal spray width instead and be conducive to improve pneumatic best the spray frequency of sprinkling frequency to described pneumatic operated valve, thereby raising precision, if this sprinkling frequency is greater than Second Threshold, send described shower nozzle is replaced by and is had than the larger longitudinally cue of the shower nozzle of spray width of longitudinal spray width of described shower nozzle, spraying frequency is greater than Second Threshold to show to spray frequency higher, the translational speed that flusher is described is fast, use large longitudinally spray width instead and be conducive to reduce pneumatic best the spray frequency of sprinkling frequency to described pneumatic operated valve, thereby improve precision.For example, this cue can be sent on a display, to point out user to change.Wherein, the span of described first threshold can be 1-2 time/second, and the span of described Second Threshold can be 6-10 time/second, is determined by pneumatic operated valve characteristic and/or mulseal characteristic.
Preferably, described receiving system 100 is also for receiving the required sprinkling amount of area unit area that is sprayed, described equipment also comprises: duty cycle adjustment device 230, be connected with described receiving system 100, recently control the sprinkling dutycycle of described flusher for the sprinkling duty calculating according to following formula:
Wherein, α is for spraying dutycycle, and Q is sprayed the required sprinkling amount of area unit area, the transverse sprinkling width that W is described shower nozzle, the sprinkling discharge capacity that q is described shower nozzle.By this, regulate in this way dutycycle, can ensure that the actual sprinkling amount of shower nozzle can meet the required sprinkling amount of area unit area that is sprayed.
Preferably, described duty cycle adjustment device, also for being more than or equal at 1 o'clock at described α, sending described shower nozzle is replaced by the cue having than the shower nozzle of the larger discharge capacity of discharge capacity of described shower nozzle.Duty cycle alpha is more than or equal to 1 and shows that the nozzle of current discharge capacity cannot meet the required sprinkling amount of sprinkling area unit area, now needs to change the shower nozzle of larger discharge capacity.
Spray evenly in order further to realize, the present invention also comprises nozzle switch logic control, below in conjunction with Fig. 5 and Fig. 6, this process is described.
Fig. 5 shows the spray bars on paver and the schematic layout pattern of the shower nozzle that is located thereon.As shown in Figure 5, the figure shows the left and right crawler belt 25 of paver and lay respectively at the spray bars 15 of these left and right crawler belt 25 both sides, in each spray bars 15, there are multiple shower nozzles, below only describe as example to be positioned at shower nozzle 15-1 to 15-8 in spray bars 15 and this spray bars 15 of left crawler belt 25 1 sides.
In sprinkling process, shower nozzle 15-1 to the 15-8 full open if the angle theta between spray bars 15 and crawler belt 25 is too small, the shower nozzle that can cause being positioned in spray bars 15 occurs that a large amount of sprinklings are overlapping, is unfavorable for being sprayed to the rainfall distribution uniformity of the pitch on 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, described receiving system 100 is also for receiving the angle between described spray bars 15 and described flusher moving direction, this angle is equal to the angle theta between spray bars 15 and crawler belt 25 in Fig. 5, be spray bars 15 expanded angles, this angle theta can detect by the photoelectric encoder of the expanded angle for detection of spray bars 15; Described equipment also comprises: nozzle switch control device 240, be connected with described receiving system 100, be used for according to this angle and nozzle switch control logic table, control the switch of described one or more shower nozzle 15-1 to 15-8, wherein said nozzle switch control logic table stores the corresponding relation between angle and the switch situation of described one or more shower nozzle 15-1 to 15-8 between described spray bars 15 and described flusher moving direction.By this, for different angles, control the switch situation of described one or more shower nozzle 15-1 to 15-8, for example which shower nozzle is opened, and which shower nozzle is closed, to ensure that between shower nozzle, nothing is sprayed overlapping situation, to improve to spray uniformity.
Described switch control logic table can be set up by following steps: according to the angle between described spray bars 15 and described flusher moving direction and the length of described spray bars 15, calculate total spray width; And according to the spray width of total spray width and each shower nozzle, determine the switch situation of described one or more shower nozzles, overlapping to reduce sprinkling between shower nozzle.For example, for the situation described in Fig. 5, suppose that the shower nozzle 15-1 to 15-8 in spray bars 15 is uniformly distributed, and the transverse sprinkling width of each shower nozzle is identical, can calculates by following formula total spray width of spray bars 15:
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 expanded angle of spray bars 15,
Afterwards, can calculate the number that shower nozzle is opened by following formula:
Wherein, N is the number that shower nozzle is opened, the transverse sprinkling width that W is described shower nozzle.
Thereby, can draw following relation, this relation is switch control logic table:
In the time of θ=0 °, control all shower nozzle 15-1 to 15-8 Close Alls;
When
time, to control shower nozzle 15-1 and open, all the other shower nozzles are closed;
When
time, to control shower nozzle 15-1,15-6 and open, all the other shower nozzles are closed; By that analogy and
In the time of θ=90 °, control all shower nozzle 15-1 to 15-8 and all open.
These are only example, can be for various practical situation (for example, shower nozzle is non-uniform Distribution also, and each shower nozzle may have different transverse sprinkling width) generate nozzle switch control logic table, as long as make the overlapping minimum of sprinkling at different angle lower nozzles.
It should be noted that, above-mentioned the first embodiment, the second embodiment and the 3rd embodiment can be implemented separately, can also combine in any way and implement.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 be realized by the controller of multiple separation.
Fig. 7 is the overall work process flow diagram flow chart of the sprinkling control device for flusher provided by the invention.As shown in Figure 7, first, can receive given spray pressure, be sprayed the required sprinkling amount of area unit area, flusher translational speed (being equal to paver or the road roller speed of travel) and spray bars expanded angle.Afterwards, carry out following operation:
(1) according to the actual speed of the spray pressure of given spray pressure, flusher and pump, regulate the rotating speed of pump, spray pressure is equated with given spray pressure;
(2) according to being sprayed the required sprinkling amount of area unit area and flusher translational speed, calculate and spray frequency and dutycycle, and the pneumatic operated valve being connected with shower nozzle according to this frequency and Duty ratio control; And
(3), according to spray bars expanded angle, inquiry switch control logic table, obtains nozzle switch situation, and the pneumatic operated valve being connected with shower nozzle according to this switch situation control.
By this sprinkling control device, spray pressure constant control be can realize, spray the stepless control of frequency, Duty ratio control and the logic control of spray bars spout sprayed, have advantages of that sprinkling is even, it is little to spray region overlapping.
Correspondingly, the present invention separately provides a kind of sprinkling control method for flusher, and this flusher is connected by pipeline with pump, and is driven by this pump, and the method comprises: receive the spray pressure in described flusher exit and the actual speed of described pump; Described spray pressure and given spray pressure are compared, regulate the expectation rotating speed of described pump according to this comparative result; And described actual speed and described expectation rotating speed are compared, regulate the rotating speed of described pump according to this comparative result.
Wherein, in the time that described spray pressure is less than described given spray pressure, increase described expectation rotating speed; And in the time that described spray pressure is greater than described given spray pressure, reduce described expectation rotating speed.
Wherein, in the time that described actual speed is less than described expectation rotating speed, increase the rotating speed of described pump; And in the time that described actual speed is greater than described expectation rotating speed, reduce the rotating speed of described pump.
Wherein, described flusher can comprise spray bars and be positioned at the one or more shower nozzles in this spray bars, and described method comprises: receive the angle between described spray bars and described flusher moving direction; And according to this angle and nozzle switch control logic table, control the switch of described one or more shower nozzles, wherein said nozzle switch control logic table stores the corresponding relation between angle and the switch situation of described one or more shower nozzles between described spray bars and described flusher moving direction.
Wherein, described switch control logic table can be set up by following steps: according to the angle between described spray bars and described flusher moving direction and the length of described spray bars, calculate total spray width; And according to the spray width of total spray width and each shower nozzle, determine the switch situation of described one or more shower nozzles, overlapping to reduce sprinkling between shower nozzle.
Wherein, described flusher comprises spray bars and is positioned at the one or more shower nozzles in this spray bars, and the method also comprises:
Receive the translational speed of described flusher;
The sprinkling frequency of shower nozzle described in the sprinkling FREQUENCY CONTROL calculating according to following formula:
f=V/L，
Wherein, f is for spraying frequency, the translational speed that V is described flusher, longitudinal spray width that L is described shower nozzle.
Wherein, the method also comprises: in the time that calculated sprinkling frequency is less than first threshold, sends described shower nozzle is replaced by the cue having than the shower nozzle of the less longitudinal spray width of longitudinal spray width of described shower nozzle; In the time that calculated sprinkling frequency is greater than Second Threshold, sends described shower nozzle is changed and had than the larger longitudinally cue of the shower nozzle of spray width of longitudinal spray width of described shower nozzle.
Wherein, the method also comprises: receive the required sprinkling amount of area unit area that is sprayed; The sprinkling duty calculating according to following formula is recently controlled the sprinkling dutycycle of described flusher:
Wherein, α is for spraying dutycycle, and Q is sprayed the required sprinkling amount of area unit area, the transverse sprinkling width that W is described shower nozzle, the sprinkling discharge capacity that q is described shower nozzle.
Preferably, the method also can be included in described α and be more than or equal at 1 o'clock, sends described shower nozzle is replaced by the cue having than the shower nozzle of the larger discharge capacity of discharge capacity of described shower nozzle.
Correspondingly, a kind of spray control system for flusher of the present invention, this flusher is connected by pipeline with pump, and is driven by this pump, and this system comprises: above-mentioned sprinkling control appliance; Speed detector, is connected with described receiving system 100, for detection of the actual speed of described pump, for example, can realize by the velocity sensor of installing on pump; And spray pressure checkout gear, be connected with described receiving system 100, for detection of the spray pressure of described flusher.According to the concrete enforcement situation of above sprinkling control appliance, this system also can comprise that translational speed checkout gear is (for detection of the translational speed of described flusher, in the time that flusher is installed on vehicle, this translational speed is the translational speed of vehicle, can be realized by motor speed sensor) and/or angle detection device (for detection of angle between described spray bars and described flusher moving direction), this translational speed checkout gear and/or angle detection device are connected with described receiving system 100.
Correspondingly, the present invention also provides a kind of engineering mechanical device, and this equipment comprises the above-mentioned spray control system for flusher.
About detail and the benefit of above-mentioned sprinkling control method, spray control system and engineering mechanical device, refer to the above-mentioned description about sprinkling control appliance, repeat no more in this.
By the present invention, spray pressure constant control be can realize, spray the stepless control of frequency, Duty ratio control and the logic control of spray bars spout sprayed, have advantages of that sprinkling is even, it is little to spray region overlapping.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive 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.
It should be noted that in addition each the concrete technical characterictic described in above-mentioned detailed description of the invention, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (20)
1. for a sprinkling control appliance for flusher, this flusher is connected by pipeline with pump, and is driven by this pump, it is characterized in that, described flusher comprises spray bars and be positioned at the one or more shower nozzles in this spray bars, and described equipment comprises:
Receiving system, for receiving the angle between actual speed and described spray bars and the described flusher moving direction of the spray pressure in described flusher exit, described pump;
Speed setting unit, is connected with described receiving system, for:
Described spray pressure and given spray pressure are compared, regulate the expectation rotating speed of described pump according to this comparative result; And
Described actual speed and described expectation rotating speed are compared, regulate the rotating speed of described pump according to this comparative result;
Described equipment also comprises:
Nozzle switch control device, be connected with described receiving system, be used for according to this angle and nozzle switch control logic table, control the switch of described one or more shower nozzles, wherein said nozzle switch control logic table stores the corresponding relation between angle and the switch situation of described one or more shower nozzles between described spray bars and described flusher moving direction.
2. equipment according to claim 1, is characterized in that, described speed setting unit is used for:
In the time that described spray pressure is less than described given spray pressure, increase described expectation rotating speed; And
In the time that described spray pressure is greater than described given spray pressure, reduce described expectation rotating speed.
3. equipment according to claim 1, is characterized in that, described speed setting unit is used for:
In the time that described actual speed is less than described expectation rotating speed, increase the rotating speed of described pump; And
In the time that described actual speed is greater than described expectation rotating speed, reduce the rotating speed of described pump.
4. equipment according to claim 1, is characterized in that, described switch control logic table is set up by following steps:
According to the angle between described spray bars and described flusher moving direction and the length of described spray bars, calculate total spray width; And
According to the spray width of total spray width and each shower nozzle, determine the switch situation of described one or more shower nozzles, overlapping to reduce sprinkling between shower nozzle.
5. according to the equipment described in any one claim in claim 1-3, it is characterized in that, described receiving system is also for receiving the translational speed of described flusher, and this equipment also comprises:
Frequency regulation arrangement, is connected with described receiving system, the sprinkling frequency for shower nozzle described in the sprinkling FREQUENCY CONTROL calculating according to following formula:
f＝V/L，
Wherein, f is for spraying frequency, the translational speed that V is described flusher, longitudinal spray width that L is described shower nozzle.
6. equipment according to claim 5, it is characterized in that, described frequency regulation arrangement, also in the time that calculated sprinkling frequency is less than first threshold, sends described shower nozzle is replaced by the cue having than the shower nozzle of the less longitudinal spray width of longitudinal spray width of described shower nozzle.
7. equipment according to claim 5, it is characterized in that, described frequency regulation arrangement, also in the time that calculated sprinkling frequency is greater than Second Threshold, sends described shower nozzle is replaced by and is had than the larger longitudinally cue of the shower nozzle of spray width of longitudinal spray width of described shower nozzle.
8. equipment according to claim 5, is characterized in that, described receiving system is also sprayed the required sprinkling amount of area unit area for receiving, and described equipment also comprises:
Duty cycle adjustment device, is connected with described receiving system, recently controls the sprinkling dutycycle of described shower nozzle for the sprinkling duty calculating according to following formula:
Wherein, α is for spraying dutycycle, and Q is sprayed the required sprinkling amount of area unit area, the transverse sprinkling width that W is described shower nozzle, the sprinkling discharge capacity that q is described shower nozzle.
9. equipment according to claim 8, is characterized in that, described duty cycle adjustment device, also for being more than or equal at 1 o'clock at described α, sending described shower nozzle is replaced by the cue having than the shower nozzle of the larger discharge capacity of discharge capacity of described shower nozzle.
10. for a sprinkling control method for flusher, this flusher is connected by pipeline with pump, and is driven by this pump, it is characterized in that, described flusher comprises spray bars and be positioned at the one or more shower nozzles in this spray bars, and described method comprises:
Receive the angle between actual speed and described spray bars and the described flusher moving direction of the spray pressure in described flusher exit, described pump;
Described spray pressure and given spray pressure are compared, regulate the expectation rotating speed of described pump according to this comparative result;
Described actual speed and described expectation rotating speed are compared, regulate the rotating speed of described pump according to this comparative result; And
According to described angle and nozzle switch control logic table, control the switch of described one or more shower nozzles, wherein said nozzle switch control logic table stores the corresponding relation between angle and the switch situation of described one or more shower nozzles between described spray bars and described flusher moving direction.
11. methods according to claim 10, is characterized in that,
In the time that described spray pressure is less than described given spray pressure, increase described expectation rotating speed; And
In the time that described spray pressure is greater than described given spray pressure, reduce described expectation rotating speed.
12. methods according to claim 10, is characterized in that,
In the time that described actual speed is less than described expectation rotating speed, increase the rotating speed of described pump; And
In the time that described actual speed is greater than described expectation rotating speed, reduce the rotating speed of described pump.
13. methods according to claim 10, is characterized in that, described switch control logic table is set up by following steps:
According to the angle between described spray bars and described flusher moving direction and the length of described spray bars, calculate total spray width; And
According to the spray width of total spray width and each shower nozzle, determine the switch situation of described one or more shower nozzles, overlapping to reduce sprinkling between shower nozzle.
14. according to the method described in any one claim in claim 10-12, it is characterized in that, the method also comprises:
Receive the translational speed of described flusher;
The sprinkling frequency of shower nozzle described in the sprinkling FREQUENCY CONTROL calculating according to following formula:
f＝V/L，
Wherein, f is for spraying frequency, the translational speed that V is described flusher, longitudinal spray width that L is described shower nozzle.
15. methods according to claim 14, is characterized in that, the method also comprises:
In the time that calculated sprinkling frequency is less than first threshold, sends described shower nozzle is replaced by and is had than the larger longitudinally cue of the shower nozzle of spray width of longitudinal spray width of described shower nozzle.
16. methods according to claim 14, is characterized in that, the method also comprises:
In the time that calculated sprinkling frequency is greater than Second Threshold, sends described shower nozzle is replaced by and is had than the larger longitudinally cue of the shower nozzle of spray width of longitudinal spray width of described shower nozzle.
17. methods according to claim 14, is characterized in that, the method also comprises:
Reception is sprayed the required sprinkling amount of area unit area;
The sprinkling duty calculating according to following formula is recently controlled the sprinkling dutycycle of described flusher:
Wherein, α is for spraying dutycycle, and Q is sprayed the required sprinkling amount of area unit area, the transverse sprinkling width that W is described shower nozzle, the sprinkling discharge capacity that q is described shower nozzle.
18. methods according to claim 17, is characterized in that, the method also comprises:
Be more than or equal at 1 o'clock at described α, send described shower nozzle is replaced by the cue having than the shower nozzle of the larger discharge capacity of discharge capacity of described shower nozzle.
19. 1 kinds of spray control systems for flusher, is characterized in that, this system comprises:
According to the sprinkling control appliance described in any one claim in claim 1-9;
Speed detector, is connected with described receiving system, for detection of the actual speed of described pump; And
Spray pressure checkout gear, is connected with described receiving system, for detection of the spray pressure of described flusher.
20. 1 kinds of engineering mechanical devices, is characterized in that, this equipment comprises system according to claim 19.
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| CN201110409673.9A CN102505618B (en) | 2011-12-08 | 2011-12-08 | Sprinkling control equipment, method and system for sprinkling device, and engineering machinery equipment |
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| CN110306406B (en) * | 2019-06-13 | 2021-07-09 | 江苏徐工工程机械研究院有限公司 | Device and method for controlling transverse uniformity of liquid |
| CN110344306A (en) * | 2019-07-15 | 2019-10-18 | 江苏徐工工程机械研究院有限公司 | Milling equipment, the control method of milling equipment and control device |
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| CN102505618A (en) | 2012-06-20 |
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