CN102861689A - Method, device and system for controlling injection pressure of injection machine and injection machine - Google Patents

Method, device and system for controlling injection pressure of injection machine and injection machine Download PDF

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Publication number
CN102861689A
CN102861689A CN2012103286020A CN201210328602A CN102861689A CN 102861689 A CN102861689 A CN 102861689A CN 2012103286020 A CN2012103286020 A CN 2012103286020A CN 201210328602 A CN201210328602 A CN 201210328602A CN 102861689 A CN102861689 A CN 102861689A
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opening value
current
distance
proportioning valve
control
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CN102861689B (en
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王希翼
谭语
曾鑫
陈伟
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Abstract

The invention discloses a method, a device and system for controlling injection pressure of an injection machine and the injection machine. The method comprises the steps of: obtaining a current aperture valve of a first proportional valve between a pumping device and an injection port in the injection machine and a current horizontal distance between the injection port and an operation object; and adjusting the injection pressure according to the current aperture valve and the current horizontal distance, wherein when the aperture valve of the first proportional valve is fixed, the bigger the horizontal distance of the injection port and the operation object is, the bigger the injection pressure is, and when the horizontal distance of the injection port and the operation object is fixed, the bigger the aperture valve of the first proportional valve is, the bigger the injection pressure is. According to the method, the device, the system and the injection machine which are disclosed by the invention, operation accuracy and efficiency of the injection machine can be improved.

Description

A kind of expulsion pressure control method, device, system and spraying machine of spraying machine
Technical field
The present invention relates to the automatic control technology field, relate in particular to a kind of expulsion pressure control method, device, system and spraying machine of spraying machine.
Background technology
Spraying machine with the advantage of its simple process, cost economic, has been widely used in various construction scenes, such as railway traffic engineering, Geotechnical Engineering, Hydroelectric tunnel engineering, military underground engineering etc. as a kind of construction equipment of engineering field.The most frequently used spraying machine is concrete sprayer, and concrete mixes with accelerator at the jet place of spraying machine, from the jet ejection, arrives manipulating object and the moulding of condensing under the pressure that air compressor machine produces.If concrete arrives the excessive velocities of manipulating object, easily produce the situation of concrete bounce-back or sideslip, thereby cause the waste of ejecta; And when speed is inadequate, easily produce the situation that concrete can not fit tightly manipulating object, and both do not met operation or work standard, also can cause the waste of ejecta.Speed when therefore, concrete arrives manipulating object has played vital effect to operation quality.
The present application people finds, in the prior art, the pressure that air compressor machine produces is fixed, so concrete fixes from the initial velocity of jet ejection, and the speed when then concrete arrives manipulating object depends on the distance between jet and the manipulating object.If the hypotelorism between jet and the manipulating object, the excessive velocities in the time of then can causing concrete to arrive manipulating object; If the hypertelorism between jet and the manipulating object, the speed in the time of then can causing concrete to arrive manipulating object is inadequate.And in the prior art, the distance between jet and the manipulating object is that operating personnel rely on self experience to control.Because there is inaccuracy in artificial subjective judgement, then be difficult to the appropriate distance between assurance jet and the manipulating object, especially in the situation that the operator does not have the construction experience of enriching, more be difficult to the accuracy that guarantees that distance is determined, and then affected operating efficiency, cause the waste of ejecta.
Summary of the invention
The embodiment of the invention provides a kind of expulsion pressure control method, device, system and spraying machine of spraying machine, in order to homework precision and the efficient that improves spraying machine.
The embodiment of the invention provides a kind of expulsion pressure control method of spraying machine, comprising:
Obtain the current opening value of the first proportioning valve between pumping installations and jet in the spraying machine and the present level distance of described jet and manipulating object;
According to described current opening value and described present level distance, adjust expulsion pressure; Wherein, when the opening value of described the first proportioning valve fixedly the time, the horizontal range of described jet and manipulating object is larger, and described expulsion pressure is larger; When the horizontal range of described jet and manipulating object fixedly the time, the opening value of described the first proportioning valve is larger, and described expulsion pressure is larger.
The embodiment of the invention provides a kind of expulsion pressure control device of spraying machine, comprising:
Acquiring unit is for the present level distance of the current opening value and described jet and the manipulating object that obtain the first proportioning valve between spraying machine pumping installations and jet;
Adjustment unit is used for according to described current opening value and described present level distance, adjusts expulsion pressure; Wherein, when the opening value of described the first proportioning valve fixedly the time, the horizontal range of described jet and manipulating object is larger, and described expulsion pressure is larger; When the horizontal range of described jet and manipulating object fixedly the time, the opening value of described the first proportioning valve is larger, and described expulsion pressure is larger.
The embodiment of the invention also provides a kind of expulsion pressure control system of spraying machine, comprising:
The first proportioning valve is connected between the pumping installations and jet of spraying machine, is used for controlling described pumping installations to the discharge capacity of described jet pumping ejecta;
Rangefinder is for the present level distance of obtaining described jet and manipulating object;
Controller connects described the first proportioning valve and described rangefinder, is used for obtaining the current opening value of described the first proportioning valve, and receives described jet that described rangefinder obtains and the present level distance of manipulating object; According to described current opening value and described present level distance, adjust expulsion pressure; Wherein, when the opening value of described the first proportioning valve fixedly the time, the horizontal range of described jet and manipulating object is larger, and described expulsion pressure is larger; When the horizontal range of described jet and manipulating object fixedly the time, the opening value of described the first proportioning valve is larger, and described expulsion pressure is larger.
The embodiment of the invention also provides a kind of spraying machine, comprising:
The expulsion pressure control system of the above-mentioned spraying machine that the embodiment of the invention provides.
Beneficial effect of the present invention comprises:
In the method that the embodiment of the invention provides, horizontal range according to opening value and jet and the manipulating object of the first proportioning valve between pumping installations and jet, adjust expulsion pressure, speed when having guaranteed that by the adjustment to pressure ejecta arrives manipulating object, do not need by the distance between manual operation control jet and the manipulating object, thereby avoided the inaccuracy of artificial subjective judgement, improved homework precision and the efficient of spraying machine.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used from explanation the present invention with the embodiment of the invention one, is not construed as limiting the invention.In the accompanying drawings:
The flow chart of the expulsion pressure control method of the spraying machine that Fig. 1 provides for the embodiment of the invention;
The detail flowchart of the expulsion pressure control method of the spraying machine that Fig. 2 provides for the embodiment of the invention one;
The detail flowchart of the expulsion pressure control method of the spraying machine that Fig. 3 provides for the embodiment of the invention two;
The detail flowchart of the expulsion pressure control method of the spraying machine that Fig. 4 provides for the embodiment of the invention three;
The structural representation of the expulsion pressure control device of the spraying machine that Fig. 5 provides for the embodiment of the invention;
One of structural representation of the expulsion pressure control system of the spraying machine that Fig. 6 provides for the embodiment of the invention;
Two of the structural representation of the expulsion pressure control system of the spraying machine that Fig. 7 provides for the embodiment of the invention;
Three of the structural representation of the expulsion pressure control system of the spraying machine that Fig. 8 provides for the embodiment of the invention.
The specific embodiment
In order to provide homework precision and the efficient that improves spraying machine, the embodiment of the invention provides a kind of expulsion pressure control method, device, system and spraying machine of spraying machine, below in conjunction with Figure of description the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.And in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.
In spraying machine, the first proportioning valve is installed on the pumping installations usually, and the first proportioning valve is between pumping installations and jet, and its opening value has reflected the size of caliber when ejecta sprays, under equal initial injection speed, opening value is larger then to need larger expulsion pressure.Simultaneously, the jet velocity that ejecta arrives manipulating object again and the Range-based between jet and the manipulating object, distance is larger, then needs larger expulsion pressure improving initial injection speed, thus the jet velocity when guaranteeing that ejecta arrives manipulating object.
Therefore, when the opening value of the first proportioning valve between this pumping installations and jet fixedly the time, for so that the speed of the ejecta of spraying when arriving manipulating object is basically identical, reach identical or close jeting effect, when then the horizontal range of jet and manipulating object is larger, need larger expulsion pressure, otherwise, the horizontal range of jet and manipulating object more hour, the expulsion pressure that needs is less.And when the horizontal range of this jet and manipulating object fixedly the time, under the prerequisite that guarantees certain jet velocity, if the opening value of the first proportioning valve is larger, the expulsion pressure that needs is also larger, otherwise the opening value of the first proportioning valve more hour, and the expulsion pressure that needs is also less.
Based on above-mentioned principle, the embodiment of the invention provides a kind of expulsion pressure control method of spraying machine, as shown in Figure 1, comprises the steps:
Step 101: obtain the current opening value of the first proportioning valve between pumping installations and jet in the spraying machine and the present level distance of jet and manipulating object;
Step 102: according to this current opening value and this current horizontal range, adjust expulsion pressure; Wherein, when the opening value of this first proportioning valve fixedly the time, the horizontal range of this jet and manipulating object is larger, and this expulsion pressure is larger; When the horizontal range of this jet and manipulating object fixedly the time, the opening value of this first proportioning valve is larger, and this expulsion pressure is larger.
The concrete mode of adjusting expulsion pressure can adopt the aperture of the second proportioning valve between control air compressor machine and jet, namely controls the control electric current of the second proportioning valve between air compressor machine and jet and realizes; Also can adopt the aperture of the 3rd proportioning valve of control air compressor machine relief port, the 3rd proportional valve control currents of namely controlling the air compressor machine relief port realizes; Also can adopt the control rotational speed of air compressor, namely control the control electric current of rotational speed of air compressor, the mode of namely controlling the air compressor machine operating current realizes.
For realizing above-mentioned control, according to different pressure control objects, can provide the combination of the horizontal range of the first different proportioning valve opening values and this jet and manipulating object, corresponding control parameter.Concrete, take the maximum opening value of the first proportioning valve as limiting value, the opening value of the first proportioning valve is divided into different intervals, simultaneously also take the maximum distance of manipulating object as the boundary, jet is divided into different intervals from distance between the manipulating object, for any two interval combinations of opening value and distance, provide required control parameter, in working control, can obtain to control accordingly parameter by searching corresponding relation, get final product according to control parameter adjustment expulsion pressure.
The below is described in detail method provided by the invention with specific embodiment.
Embodiment one:
Among this embodiment, the control electric current by the second proportioning valve between control air compressor machine and jet to be to adjust expulsion pressure, and as shown in Figure 2, the detail flowchart of the expulsion pressure control method of the spraying machine that provides for the embodiment of the invention 1 specifically comprises the steps:
Step 201: the present level distance of obtaining current opening value and jet and the manipulating object of the first proportioning valve between pumping installations and jet.
Wherein, the present level distance of jet and manipulating object can be obtained by rangefinder, better, rangefinder can be distance measuring sensor, can select laser range sensor, ultrasonic distance-measuring sensor, infrared distance measuring sensor, radar range finding sensor.
Step 202: determine that the residing opening value of this current opening value is interval, and determine between the residing distance regions of this current horizontal range.
Wherein, in advance take the maximum opening value of the first proportioning valve as limiting value, the opening value of this first proportioning valve is divided into different opening values interval, simultaneously also take the maximum distance of manipulating object as the boundary, jet is divided between different distance regions from distance between the manipulating object.The division in opening value interval and the division between distance regions can be five equilibrium not, and be better, is divided into five equilibrium between the division in opening value interval and distance regions.
Step 203: according to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of the second proportioning valve between air compressor machine and jet, determine and current opening value residing opening value interval and the residing distance regions of current distance between corresponding the second proportional valve control currents of combination.
Wherein, default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of the second proportioning valve between air compressor machine and jet need to be determined based on actual tests.
Specifically can determine in the following way and current opening value residing opening value interval and the residing distance regions of current distance between corresponding the second proportional valve control currents of combination:
The maximum opening value of the first proportioning valve between pumping installations and jet is F Max, with this maximum opening value F MaxCarry out the N five equilibrium, will
Figure BDA00002110876000061
Be set as the interval F of opening value 0,
Figure BDA00002110876000062
Be set as the interval F of opening value 1..., F max N × ( N - 1 ) - F max Be set as the interval F of opening value N-1
Ultimate range between jet and the manipulating object is L Max, with this ultimate range L MaxCarry out the M five equilibrium, will
Figure BDA00002110876000064
Be set as L between distance regions 0,
Figure BDA00002110876000065
Be set as L between distance regions 1..., L max M × ( M - 1 ) - L max Be set as L between distance regions M-1
Based on actual tests, determine the combination between different opening value interval and distance regions, and the corresponding relation between the control electric current of the second proportioning valve between air compressor machine and jet, can generate following form:
Figure BDA00002110876000067
The current opening value of the first proportioning valve that obtains is that the present level distance of F and jet and manipulating object is L;
Figure BDA00002110876000071
Be that F is in the interval F of opening value n, wherein, int represents right
Figure BDA00002110876000072
Result after the calculating does round numbers and processes, and gives up decimal place;
Figure BDA00002110876000073
Be that L is in L between distance regions m, wherein, int represents right
Figure BDA00002110876000074
Result after the calculating does round numbers and processes, and gives up decimal place;
That is, with the interval F of opening value n, L between distance regions mCorresponding air compressor machine and the control electric current of the second proportioning valve between this jet are A Mn
Step 204: control the second proportioning valve according to the second proportional valve control currents of determining, to adjust expulsion pressure.Specifically can adopt following dual mode:
Mode one: the current control electric current of the second proportioning valve is adjusted into the second proportional valve control currents of determining.
Mode two: according to the proportionate relationship between two end values between present level distance and its residing distance regions, the second proportional valve control currents of determining is carried out the conversion of corresponding proportion, and the current control electric current of the second proportioning valve is adjusted into control electric current after the conversion.
Wherein, the present level distance of this jet and manipulating object, and the distance of the initiating terminal between its residing distance regions is larger, and the end-to-end distance between its residing distance regions is from less, then larger for the proportionality coefficient that carries out ratiometric conversion, this proportionality coefficient maximum is 1.
The computing formula of carrying out the coefficient k of ratiometric conversion is:
k = L × M L max - m ,
Control electric current after namely converting is KA Mn
The method that adopts the embodiment of the invention to provide, by the second proportioning valve between control air compressor machine and this jet, adjust expulsion pressure, thereby guaranteed the speed when ejecta arrives manipulating object, homework precision and efficient have been improved, the waste of the excessive or too small ejecta that causes of the speed when having avoided arriving manipulating object because of ejecta.
Embodiment two:
Among this embodiment, the control electric current of the 3rd proportioning valve by control air compressor machine relief port to be to adjust expulsion pressure, and as shown in Figure 3, the detail flowchart of the expulsion pressure control method of the spraying machine that provides for the embodiment of the invention 2 specifically comprises:
Step 301-step 302: with step 201-step 202 among the above-mentioned embodiment 1.
Step 303: according to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of the 3rd proportioning valve of air compressor machine relief port, determine and current opening value residing opening value interval and the residing distance regions of current distance between corresponding the 3rd proportional valve control currents of combination.
Concrete adoptable definite mode can referring to above-described embodiment 1 step 203, be not described in detail in this.
Step 304: control the 3rd proportioning valve according to the 3rd proportional valve control currents of determining, to adjust expulsion pressure.Specifically can adopt following dual mode:
Mode one: the current control electric current of the 3rd proportioning valve is adjusted into the 3rd proportional valve control currents of determining.
Mode two: according to the proportionate relationship between two end values between present level distance and its residing distance regions, the 3rd proportional valve control currents of determining is carried out the conversion of corresponding proportion, and the current control electric current of the 3rd proportioning valve is adjusted into control electric current after the conversion.
Concrete adoptable conversion mode can referring to above-described embodiment 1 step 204, be not described in detail in this.
The method that adopts the embodiment of the invention to provide by the 3rd proportioning valve of control air compressor machine relief port, is adjusted expulsion pressure, thereby the speed in the time of also can having guaranteed ejecta arrival manipulating object improves homework precision and efficient.
Embodiment three:
Among this embodiment, by the control electric current of control rotational speed of air compressor, namely control the operating current of air compressor machine, to adjust expulsion pressure, as shown in Figure 4, the detail flowchart of the expulsion pressure control method of the spraying machine that provides for the embodiment of the invention 3 specifically comprises:
Step 401-step 402: with step 201-step 202 among the above-mentioned embodiment 1.
Step 403: according to default opening value interval and the combination between distance regions, and the corresponding relation between the rotational speed of air compressor control electric current, determine with current opening value residing opening value interval and the residing distance regions of current distance between the corresponding rotational speed of air compressor of combination control electric current.
Concrete adoptable definite mode can referring to above-described embodiment 1 step 203, be not described in detail in this.
Step 404: according to the rotational speed of air compressor control Current Control rotational speed of air compressor of determining, to adjust expulsion pressure.Specifically can adopt following dual mode:
Mode one: the current control electric current of rotational speed of air compressor is adjusted into the rotational speed of air compressor control electric current of determining.
Mode two: according to the proportionate relationship between two end values between present level distance and its residing distance regions, the rotational speed of air compressor determined control electric current is carried out the conversion of corresponding proportion, and the current control electric current of rotational speed of air compressor is adjusted into control electric current after the conversion.
Concrete adoptable conversion mode can referring to above-described embodiment 1 step 204, be not described in detail in this.
The method that adopts the embodiment of the invention to provide by the control rotational speed of air compressor, is adjusted expulsion pressure, thereby the speed in the time of also can having guaranteed ejecta arrival manipulating object improves homework precision and efficient.
Because the ejecta of variety classes model is different to the demand of expulsion pressure, can pass through in advance actual tests, obtain respectively the combination between different opening value interval and distance regions, from the corresponding relation between the different control parameters, and set up corresponding database and store.
And in the practice of construction process, when find adopting existing control parameter to control, but operation effectiveness is can not satisfy job requirements the time, can be at any time by adjusting manually the control parameter, and store, satisfy job requirements to guarantee operation effectiveness, improve homework precision and efficient.
Based on same inventive concept, the expulsion pressure control method of the spraying machine that provides according to the above embodiment of the present invention, correspondingly, the embodiment of the invention also provides a kind of expulsion pressure control device of spraying machine, and its structural representation specifically comprises as shown in Figure 5:
Acquiring unit 501 is for the present level distance of the current opening value and this jet and the manipulating object that obtain the first proportioning valve between spraying machine pumping installations and jet;
Adjustment unit 502 is used for adjusting expulsion pressure according to this current opening value and this current horizontal range; Wherein, when the opening value of this first proportioning valve fixedly the time, the horizontal range of this jet and manipulating object is larger, and this expulsion pressure is larger; When the horizontal range of this jet and manipulating object fixedly the time, the opening value of this first proportioning valve is larger, and this expulsion pressure is larger.
Further, adjustment unit 502, concrete interval for the residing opening value of definite this current opening value, and determine between the residing distance regions of this current horizontal range; According to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of the second proportioning valve between air compressor machine and this jet, determine and current opening value residing opening value interval and the residing distance regions of current distance between corresponding the second proportional valve control currents of combination; Control the second proportioning valve according to the second proportional valve control currents of determining, to adjust expulsion pressure.
Further, adjustment unit 502, concrete being used for is adjusted into the second proportional valve control currents of determining with the current control electric current of this second proportioning valve; Perhaps, according to the proportionate relationship between two end values between present level distance and its residing distance regions, the second proportional valve control currents of determining is carried out the conversion of corresponding proportion, and the current control electric current of this second proportioning valve is adjusted into control electric current after the conversion.
Further, adjustment unit 502, concrete interval for the residing opening value of definite this current opening value, and determine between the residing distance regions of this current horizontal range; According to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of the 3rd proportioning valve of air compressor machine relief port, determine and current opening value residing opening value interval and the residing distance regions of current distance between corresponding the 3rd proportional valve control currents of combination; Control the 3rd proportioning valve according to the 3rd proportional valve control currents of determining, to adjust expulsion pressure.
Further, adjustment unit 502, concrete being used for is adjusted into the 3rd proportional valve control currents of determining with the current control electric current of the 3rd proportioning valve; Perhaps, according to the proportionate relationship between two end values between present level distance and its residing distance regions, the 3rd proportional valve control currents of determining is carried out the conversion of corresponding proportion, and the current control electric current of the 3rd proportioning valve is adjusted into control electric current after the conversion.
Further, adjustment unit 502, concrete interval for the present opening value of definite this current opening value, and determine between the present distance regions of this current horizontal range; According to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of rotational speed of air compressor, determine with current opening value residing opening value interval and the residing distance regions of current distance between the corresponding rotational speed of air compressor of combination control electric current; According to the rotational speed of air compressor control Current Control rotational speed of air compressor of determining, to adjust expulsion pressure.
Further, adjustment unit 502, concrete being used for is adjusted into the rotational speed of air compressor control electric current of determining with the current control electric current of this rotational speed of air compressor; Perhaps, according to the proportionate relationship between two end values between present level distance and its residing distance regions, the rotational speed of air compressor determined control electric current is carried out the conversion of corresponding proportion, and the current control electric current of this rotational speed of air compressor is adjusted into control electric current after the conversion.
Based on same inventive concept, the expulsion pressure control method of the spraying machine that provides according to the above embodiment of the present invention, correspondingly, the embodiment of the invention also provides a kind of expulsion pressure control system of spraying machine, and its structural representation specifically comprises as shown in Figure 6:
The first proportioning valve 601 is connected between the pumping installations and jet of spraying machine, is used for this pumping installations of control to the discharge capacity of this jet pumping ejecta;
Rangefinder 602 is for the present level distance of obtaining this jet and manipulating object;
Controller 603 connects the first proportioning valve 601 and rangefinder 602, is used for obtaining the current opening value of the first proportioning valve 601, and receives this jet that rangefinder 602 obtains and the present level distance of manipulating object; According to this current opening value and this current horizontal range, adjust expulsion pressure; Wherein, when the opening value of this first proportioning valve fixedly the time, the horizontal range of this jet and manipulating object is larger, and this expulsion pressure is larger; When the horizontal range of this jet and manipulating object fixedly the time, the opening value of this first proportioning valve is larger, and this expulsion pressure is larger;
Further, the expulsion pressure control system of this spraying machine also comprises:
The second proportioning valve 604 is connected between the air compressor machine and jet of spraying machine, is used for the pressure that this air compressor machine of control discharges to this jet;
Controller 603 also connects the second proportioning valve 604, the concrete control electric current that is used for control the second proportioning valve 604.
Based on same inventive concept, the expulsion pressure control method of the spraying machine that provides according to the above embodiment of the present invention, correspondingly, the embodiment of the invention also provides a kind of expulsion pressure control system of spraying machine, and its structural representation specifically comprises as shown in Figure 7:
The first proportioning valve 601 is connected between the pumping installations and jet of spraying machine, is used for this pumping installations of control to the discharge capacity of this jet pumping ejecta;
Rangefinder 602 is for the present level distance of obtaining this jet and manipulating object;
Controller 603 connects the first proportioning valve 601 and rangefinder 602, is used for obtaining the current opening value of the first proportioning valve 601, and receives this jet that rangefinder 602 obtains and the present level distance of manipulating object; According to this current opening value and this current horizontal range, adjust expulsion pressure; Wherein, when the opening value of this first proportioning valve fixedly the time, the horizontal range of this jet and manipulating object is larger, and this expulsion pressure is larger; When the horizontal range of this jet and manipulating object fixedly the time, the opening value of this first proportioning valve is larger, and this expulsion pressure is larger;
Further, the expulsion pressure control system of this spraying machine also comprises:
The 3rd proportioning valve 704, the aperture of the relief port of the air compressor machine of control spraying machine;
Controller 603 also connects the 3rd proportioning valve 704, the concrete control electric current that is used for control the 3rd proportioning valve 704.
Based on same inventive concept, the expulsion pressure control method of the spraying machine that provides according to the above embodiment of the present invention, correspondingly, the embodiment of the invention also provides a kind of expulsion pressure control system of spraying machine, and its structural representation specifically comprises as shown in Figure 8:
The first proportioning valve 601 is connected between the pumping installations and jet of spraying machine, is used for this pumping installations of control to the discharge capacity of this jet pumping ejecta;
Rangefinder 602 is for the present level distance of obtaining this jet and manipulating object;
Controller 603 connects the first proportioning valve 601 and rangefinder 602, is used for obtaining the current opening value of the first proportioning valve 601, and receives this jet that rangefinder 602 obtains and the present level distance of manipulating object; According to this current opening value and this current horizontal range, adjust expulsion pressure; Wherein, when the opening value of this first proportioning valve fixedly the time, the horizontal range of this jet and manipulating object is larger, and this expulsion pressure is larger; When the horizontal range of this jet and manipulating object fixedly the time, the opening value of this first proportioning valve is larger, and this expulsion pressure is larger;
Further, controller 603, the concrete control electric current that is used for the rotational speed of air compressor of control spraying machine.
Based on same inventive concept, the expulsion pressure control method of the spraying machine that provides according to the above embodiment of the present invention, correspondingly, the embodiment of the invention also provides a kind of spraying machine, comprising:
The expulsion pressure control system of the spraying machine shown in above-mentioned Fig. 6-8 is arbitrary.
Further, this spraying machine is concrete sprayer.
In sum, the scheme that the embodiment of the invention provides comprises: obtain the current opening value of the first proportioning valve between pumping installations and jet in the spraying machine and the present level distance of this jet and manipulating object; According to this current opening value and this current horizontal range, adjust expulsion pressure; Wherein, when the opening value of this first proportioning valve fixedly the time, the horizontal range of this jet and manipulating object is larger, and this expulsion pressure is larger; When the horizontal range of this jet and manipulating object fixedly the time, the opening value of this first proportioning valve is larger, and this expulsion pressure is larger.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (20)

1. the expulsion pressure control method of a spraying machine is characterized in that, comprising:
Obtain the current opening value of the first proportioning valve between pumping installations and jet in the spraying machine and the present level distance of described jet and manipulating object;
According to described current opening value and described present level distance, adjust expulsion pressure; Wherein, when the opening value of described the first proportioning valve fixedly the time, the horizontal range of described jet and manipulating object is larger, and described expulsion pressure is larger; When the horizontal range of described jet and manipulating object fixedly the time, the opening value of described the first proportioning valve is larger, and described expulsion pressure is larger.
2. the method for claim 1 is characterized in that, according to described current opening value and described present level distance, adjusts expulsion pressure, specifically comprises:
Determine that the residing opening value of described current opening value is interval, and determine between the residing distance regions of described present level distance;
According to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of the second proportioning valve between air compressor machine and described jet, determine and current opening value residing opening value interval and the residing distance regions of current distance between corresponding the second proportional valve control currents of combination;
Control the second proportioning valve according to the second proportional valve control currents of determining, to adjust expulsion pressure.
3. method as claimed in claim 2 is characterized in that, the second proportional valve control currents that described basis is determined is controlled the second proportioning valve, specifically comprises:
The current control electric current of described the second proportioning valve is adjusted into the second proportional valve control currents of determining; Perhaps,
According to the proportionate relationship between two end values between present level distance and its residing distance regions, the second proportional valve control currents of determining is carried out the conversion of corresponding proportion, and the current control electric current of described the second proportioning valve is adjusted into control electric current after the conversion.
4. the method for claim 1 is characterized in that, according to described current opening value and described present level distance, adjusts expulsion pressure, specifically comprises:
Determine that the residing opening value of described current opening value is interval, and determine between the residing distance regions of described present level distance;
According to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of the 3rd proportioning valve of air compressor machine relief port, determine and current opening value residing opening value interval and the residing distance regions of current distance between corresponding the 3rd proportional valve control currents of combination;
Control the 3rd proportioning valve according to the 3rd proportional valve control currents of determining, to adjust expulsion pressure.
5. method as claimed in claim 4 is characterized in that, the 3rd proportional valve control currents that described basis is determined is controlled the 3rd proportioning valve, specifically comprises:
The current control electric current of described the 3rd proportioning valve is adjusted into the 3rd proportional valve control currents of determining; Perhaps,
According to the proportionate relationship between two end values between present level distance and its residing distance regions, the 3rd proportional valve control currents of determining is carried out the conversion of corresponding proportion, and the current control electric current of described the 3rd proportioning valve is adjusted into control electric current after the conversion.
6. the method for claim 1 is characterized in that, according to described current opening value and described present level distance, adjusts expulsion pressure, specifically comprises:
Determine that the present opening value of described current opening value is interval, and determine between the present distance regions of described present level distance;
According to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of rotational speed of air compressor, determine with current opening value residing opening value interval and the residing distance regions of current distance between the corresponding rotational speed of air compressor of combination control electric current;
According to the rotational speed of air compressor control Current Control rotational speed of air compressor of determining, to adjust expulsion pressure.
7. method as claimed in claim 6 is characterized in that, the rotational speed of air compressor control Current Control rotational speed of air compressor that described basis is determined to adjust expulsion pressure, specifically comprises:
The current control electric current of described rotational speed of air compressor is adjusted into the rotational speed of air compressor control electric current of determining; Perhaps,
According to the proportionate relationship between two end values between present level distance and its residing distance regions, the rotational speed of air compressor determined control electric current is carried out the conversion of corresponding proportion, and the current control electric current of described rotational speed of air compressor is adjusted into control electric current after the conversion.
8. the expulsion pressure control device of a spraying machine is characterized in that, comprising:
Acquiring unit is for the present level distance of the current opening value and described jet and the manipulating object that obtain the first proportioning valve between spraying machine pumping installations and jet;
Adjustment unit is used for according to described current opening value and described present level distance, adjusts expulsion pressure; Wherein, when the opening value of described the first proportioning valve fixedly the time, the horizontal range of described jet and manipulating object is larger, and described expulsion pressure is larger; When the horizontal range of described jet and manipulating object fixedly the time, the opening value of described the first proportioning valve is larger, and described expulsion pressure is larger.
9. device as claimed in claim 8 is characterized in that, described adjustment unit is concrete interval for the residing opening value of definite described current opening value, and determines between the residing distance regions of described present level distance; According to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of the second proportioning valve between air compressor machine and described jet, determine and current opening value residing opening value interval and the residing distance regions of current distance between corresponding the second proportional valve control currents of combination; Control the second proportioning valve according to the second proportional valve control currents of determining, to adjust expulsion pressure.
10. device as claimed in claim 9 is characterized in that, described adjustment unit, and concrete being used for is adjusted into the second proportional valve control currents of determining with the current control electric current of described the second proportioning valve; Perhaps, according to the proportionate relationship between two end values between present level distance and its residing distance regions, the second proportional valve control currents of determining is carried out the conversion of corresponding proportion, and the current control electric current of described the second proportioning valve is adjusted into control electric current after the conversion.
11. device as claimed in claim 8 is characterized in that, described adjustment unit is concrete interval for the residing opening value of definite described current opening value, and determines between the residing distance regions of described present level distance; According to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of the 3rd proportioning valve of air compressor machine relief port, determine and current opening value residing opening value interval and the residing distance regions of current distance between corresponding the 3rd proportional valve control currents of combination; Control the 3rd proportioning valve according to the 3rd proportional valve control currents of determining, to adjust expulsion pressure.
12. device as claimed in claim 11 is characterized in that, described adjustment unit, and concrete being used for is adjusted into the 3rd proportional valve control currents of determining with the current control electric current of described the 3rd proportioning valve; Perhaps, according to the proportionate relationship between two end values between present level distance and its residing distance regions, the 3rd proportional valve control currents of determining is carried out the conversion of corresponding proportion, and the current control electric current of described the 3rd proportioning valve is adjusted into control electric current after the conversion.
13. device as claimed in claim 8 is characterized in that, described adjustment unit is concrete interval for the present opening value of definite described current opening value, and determines between the present distance regions of described present level distance; According to default opening value interval and the combination between distance regions, and the corresponding relation between the control electric current of rotational speed of air compressor, determine with current opening value residing opening value interval and the residing distance regions of current distance between the corresponding rotational speed of air compressor of combination control electric current; According to the rotational speed of air compressor control Current Control rotational speed of air compressor of determining, to adjust expulsion pressure.
14. device as claimed in claim 13 is characterized in that, described adjustment unit, and concrete being used for is adjusted into the rotational speed of air compressor control electric current of determining with the current control electric current of described rotational speed of air compressor; Perhaps, according to the proportionate relationship between two end values between present level distance and its residing distance regions, the rotational speed of air compressor determined control electric current is carried out the conversion of corresponding proportion, and the current control electric current of described rotational speed of air compressor is adjusted into control electric current after the conversion.
15. the expulsion pressure control system of a spraying machine is characterized in that, comprising:
The first proportioning valve is connected between the pumping installations and jet of spraying machine, is used for controlling described pumping installations to the discharge capacity of described jet pumping ejecta;
Rangefinder is for the present level distance of obtaining described jet and manipulating object;
Controller connects described the first proportioning valve and described rangefinder, is used for obtaining the current opening value of described the first proportioning valve, and receives described jet that described rangefinder obtains and the present level distance of manipulating object; According to described current opening value and described present level distance, adjust expulsion pressure; Wherein, when the opening value of described the first proportioning valve fixedly the time, the horizontal range of described jet and manipulating object is larger, and described expulsion pressure is larger; When the horizontal range of described jet and manipulating object fixedly the time, the opening value of described the first proportioning valve is larger, and described expulsion pressure is larger.
16. system as claimed in claim 15 is characterized in that, also comprises:
The second proportioning valve is connected between the air compressor machine and jet of spraying machine, is used for controlling the pressure that described air compressor machine discharges to described jet;
Described controller also connects described the second proportioning valve, the concrete control electric current that is used for controlling described the second proportioning valve.
17. system as claimed in claim 15 is characterized in that, also comprises:
The 3rd proportioning valve, the aperture of the relief port of the air compressor machine of control spraying machine;
Described controller also connects described the 3rd proportioning valve, the concrete control electric current that is used for controlling described the 3rd proportioning valve.
18. system as claimed in claim 15 is characterized in that, comprising:
Described controller, the concrete control electric current that is used for the rotational speed of air compressor of control spraying machine.
19. a spraying machine is characterized in that, comprising: such as the expulsion pressure control system of the arbitrary described spraying machine of claim 15-18.
20. spraying machine as claimed in claim 19 is characterized in that, described spraying machine is concrete sprayer.
CN201210328602.0A 2012-09-07 2012-09-07 Method, device and system for controlling injection pressure of injection machine and injection machine Active CN102861689B (en)

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Publication number Priority date Publication date Assignee Title
CN107817834A (en) * 2017-11-13 2018-03-20 庄秋瑶 Storage dump water sprinkler
CN111387468A (en) * 2020-03-20 2020-07-10 烟台欣和企业食品有限公司 Clean production method of high-salt dilute fermentation soy sauce

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JP2009262094A (en) * 2008-04-28 2009-11-12 Ihi Corp Method of coating cylindrical body
CN101974971A (en) * 2010-11-01 2011-02-16 河海大学 Full automatic wall facing concrete injection system
WO2012038446A1 (en) * 2010-09-22 2012-03-29 Hexagon Technology Center Gmbh Surface spattering device

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Publication number Priority date Publication date Assignee Title
CN1093301A (en) * 1993-04-09 1994-10-12 曾龄庆 The method of the auxiliary paint finishing of computer
JP2004293110A (en) * 2003-03-26 2004-10-21 Towa Taika Kogyo Kk Quality control method for dry spray coating method
JP2009262094A (en) * 2008-04-28 2009-11-12 Ihi Corp Method of coating cylindrical body
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107817834A (en) * 2017-11-13 2018-03-20 庄秋瑶 Storage dump water sprinkler
CN111387468A (en) * 2020-03-20 2020-07-10 烟台欣和企业食品有限公司 Clean production method of high-salt dilute fermentation soy sauce

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