CN113546491A - Working machine - Google Patents
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- CN113546491A CN113546491A CN202110844113.XA CN202110844113A CN113546491A CN 113546491 A CN113546491 A CN 113546491A CN 202110844113 A CN202110844113 A CN 202110844113A CN 113546491 A CN113546491 A CN 113546491A
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- 238000005507 spraying Methods 0.000 claims abstract description 374
- 239000000428 dust Substances 0.000 claims abstract description 137
- 238000001514 detection method Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000003491 array Methods 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 46
- 230000003993 interaction Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 230000036541 health Effects 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0096—Investigating consistence of powders, dustability, dustiness
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Abstract
The present invention provides a working machine, including: the device comprises an electric control unit, a flow control system, a spraying control system, a dust detection system and a spraying device; the dust detection system comprises at least one set of sensor arrays; under the condition that the current spraying state of the operation machine is automatic spraying, the electric control unit determines the target spraying strength and the target spraying direction according to the dust detection information collected by the sensor array; the current spraying intensity is adjusted to be the target spraying intensity by the flow control system, and the current spraying direction is adjusted to be the target spraying direction by the spraying control system, so that the spraying is automatically carried out through the spraying device. The operation machine provided by the invention can automatically adjust the spraying strength and the spraying direction of the spraying device by collecting the dust detection information in the operation process in real time so as to remove dust in a targeted manner, effectively ensure the health of operation personnel, and achieve the purpose of saving water resources on the basis of ensuring the dust removal effect.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to an operating machine.
Background
Because the engineering machinery can produce a large amount of dust in the operation process, the dust is not treated in time, not only can harm the body of constructors, but also can damage the surrounding environment.
The existing construction site does not have a special dust removal device or the dust removal device is extremely simple. Generally, a fixed dust removal spray head is arranged at a key position such as a passage where workers live, and the start and stop of a water pump are controlled in a manual switch mode.
Because the special dust collector is not configured in the existing construction site, a large amount of dust generated in the construction site cannot be effectively dusted in time, the physical health of constructors is seriously harmed, and the serious environmental pollution is brought.
Disclosure of Invention
The invention provides an operating machine, which is used for overcoming the defect that the flying dust on a construction site cannot be effectively treated in the prior art and realizing timely, rapid and efficient automatic dust fall.
In a first aspect, the present invention provides a work machine comprising: the device comprises an electric control unit, a flow control system, a spraying control system, a dust detection system and a spraying device; the dust detection system comprises at least one set of sensor arrays; under the condition that the current spraying state of the operation machine is automatic spraying, the electric control unit determines the target spraying strength and the target spraying direction according to the dust detection information collected by the sensor array; the current spraying intensity is adjusted to be the target spraying intensity by the flow control system, and the current spraying direction is adjusted to be the target spraying direction by the spraying control system, so that the spraying is automatically carried out through the spraying device.
According to the work machine provided by the invention, the sensor array is formed by arranging three dust detection sensors in a delta shape.
According to the operation machine provided by the invention, under the condition that the current spraying state of the operation machine is automatic spraying, the electric control unit is also used for controlling the spraying mode of the spraying device according to the dust detection information; the spraying mode comprises a water spraying mode and an atomizing mode.
According to a work machine provided by the present invention, the work machine further includes: a human-computer interaction system; the human-computer interaction system comprises a spraying state selection component, a spraying intensity adjusting component and a spraying direction adjusting component; under the condition that the spraying state selecting assembly is in an opening state, the electric control unit sets the current spraying state of the operation machine to be automatic spraying; under the condition that the spraying state selecting assembly is in a disconnected state, the electric control unit sets the current spraying state of the operation machine to be manual spraying; under the condition that the current spraying state is manual spraying, the electric control unit determines the target spraying intensity of the flow control system according to the state of the spraying intensity adjusting assembly; and the electronic control unit also determines the target spraying direction of the spraying control system according to the state of the spraying direction adjusting assembly.
According to the work machine provided by the present invention, the human-computer interaction system further includes: a spray mode selection component; and under the condition that the current spraying state is manual spraying, the electronic control unit sets the spraying mode of the spraying device according to the state of the spraying mode selection assembly.
According to the work machine provided by the present invention, the human-computer interaction system further includes: a cruise mode selection component; under the condition that the current spraying state is manual spraying, the electronic control unit sets a cruise mode of the spraying control system according to the state of the cruise mode selection assembly; the cruise mode comprises a polling mode and a positioning mode.
According to the work machine provided by the present invention, the human-computer interaction system further includes: the display screen and the start-stop switch; the display screen is used for displaying at least one of the following information: the current spraying state, the dust detection information, the current spraying intensity, the target spraying intensity, the current spraying direction, the target spraying direction, the current spraying mode and the current cruising mode; the start-stop switch is used for controlling the start-stop of the electric control unit.
According to the work machine provided by the invention, at least one of the following marks is arranged on the display interface of the display screen: the device comprises a spraying state selection mark, a spraying intensity adjustment mark, a spraying direction adjustment mark, a spraying mode selection mark, a cruise mode selection mark and a start-stop switch mark; the spraying state selection mark points to the spraying state selection component, the spraying intensity adjustment mark points to the spraying intensity adjustment component, the spraying direction adjustment mark points to the spraying direction adjustment component, the spraying mode selection mark points to the spraying mode selection component, the cruising mode selection mark points to the cruising mode selection component, and the start-stop switch mark points to the start-stop switch.
According to a work machine provided by the present invention, the flow control system includes: a booster water pump and a flow meter; the flow meter is used for acquiring flow information of spraying and sending the flow information to the electric control unit; and the electric control unit controls the booster water pump according to the flow information so as to adjust the current spraying intensity to the target spraying intensity.
According to the present invention, there is provided a working machine which is an excavator.
The operation machine provided by the invention can automatically adjust the spraying strength and the spraying direction of the spraying device by collecting the dust detection information in the operation process in real time so as to remove dust in a targeted manner, effectively ensure the health of operation personnel, and achieve the purpose of saving water resources on the basis of ensuring the dust removal effect.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic illustration of a work machine according to the present disclosure;
FIG. 2 is a schematic illustration of a work flow of a work machine provided by the present disclosure;
wherein the reference numerals are:
1: an electronic control unit; 2: a flow control system; 3: a spray control system;
4: a dust detection system; 5: a spraying device; 6: an array of sensors;
7: a shower head; 8: a steering motor system; 9: a human-computer interaction system;
10: a spray state selection component; 11: a spray intensity adjusting assembly; 12: a spray direction adjustment assembly;
13: a spray mode selection component; 14: a cruise mode selection component; 15: a display screen;
16: a start-stop switch; 17: the booster water pump 18: a flow meter;
19: a water reservoir.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the embodiments of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element. The terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced items or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The following describes a work machine provided by the present invention with reference to fig. 1 to 2.
Fig. 1 is a schematic structural diagram of a working machine according to the present invention, as shown in fig. 1, which mainly includes, but is not limited to: the device comprises an electric control unit 1, a flow control system 2, a spraying control system 3, a dust detection system 4 and a spraying device 5.
Wherein the dust detection system 4 comprises at least one set of sensor arrays.
Under the condition that the current spraying state of the operation machine is automatic spraying, the electric control unit 1 determines the target spraying strength and the target spraying direction according to the dust detection information collected by the sensor array.
The flow control system 2 adjusts the current spraying intensity to be the target spraying intensity, and the spraying control system 3 adjusts the current spraying direction to be the target spraying direction, so that the spraying device 5 can automatically spray.
Alternatively, the working machine may be an excavator, a paver, a road roller, a milling machine, a heading machine, a coal mining machine, etc., and in order to clarify the specific structure and the working principle of the working machine provided in the present application, in the following embodiments, the excavator is taken as an example for illustration, which is not to be construed as a specific limitation to the scope of the present invention.
The Electronic Control Unit 1 (ECU) may be a device capable of performing data processing and data storage, such as an industrial personal computer or a traveling computer, and is a data processing center of the entire work machine.
First, the electronic control unit 1 can accurately determine the current spraying state of the working machine. Generally, the current spraying state mainly includes two different states of automatic spraying and manual spraying.
On the other hand, when the working machine is in the manual spray mode, the driver manually sets parameters such as the spray intensity and the spray direction.
The electric control unit 1 receives input of a user, sends related parameters manually set by the user to the flow control system 2 and the spraying control system 3 so as to achieve the purpose of controlling the booster water pump and the steering motor system, and adjusts the actual spraying strength of the spraying device by controlling the booster water pump; the actual spraying direction of the spraying device is adjusted by controlling the steering motor system.
On the other hand, when the working machine is in automatic spraying, the electronic control unit 1 automatically determines the target spraying strength and the target spraying direction of the working machine according to the received dust detection information.
The dust detection information may include dust distribution information, such as: dust orientation and dust concentration.
The electric control unit 1 calculates the target spraying intensity according to the dust concentration at the current moment. When the spraying intensity of the spraying device is at the target spraying intensity, the dust can be effectively removed under the condition of minimum water consumption.
The target spraying intensity is compared with the current spraying intensity (i.e. the spraying intensity of the spraying device at the current moment), and the booster water pump in the flow control system 2 is controlled according to the difference between the target spraying intensity and the current spraying intensity, so that the spraying intensity of the spraying device is adjusted to the target spraying intensity.
Correspondingly, the electronic control unit 1 calculates the target spraying direction according to the dust position at the current moment to realize targeted dust fall, namely, the region where the dust position is located is mainly sprayed, and equal-flow spraying is not needed to be carried out on all positions, so that the water consumption can be effectively saved, and the spraying effect is better.
Specifically, the steering motor system in the spray control system 3 may be controlled according to the position difference between the target spraying direction and the current spraying direction to adjust the direction of the spray header of the spraying device 5, so as to adjust the spraying direction of the spraying device to the target spraying direction.
It should be noted that the dust detection system 4 provided by the present invention mainly realizes the real-time collection of dust detection information through a sensor array.
The operation machine provided by the invention can automatically adjust the spraying strength and the spraying direction of the spraying device by collecting the dust detection information in the operation process in real time so as to remove dust in a targeted manner, effectively ensure the health of operation personnel, and achieve the purpose of saving water resources on the basis of ensuring the dust removal effect.
Based on the above description of the embodiments, as an alternative embodiment, the sensor array is composed of three dust detection sensors arranged in a delta shape.
Optionally, the dust detection system 4 is disposed below the boom to detect a dust flying condition in the construction work in real time.
The three dust detection sensors are arrayed in a regular triangle, wherein a first dust sensor is arranged right in front, a second dust sensor is positioned at the lower left of the first dust sensor, and a third dust sensor is positioned at the lower right of the first dust sensor.
Under the condition that the current spraying state of the operation machine is automatic spraying, the three dust detection sensors in the dust detection system 4 can collect the dust emission data collected by the dust detection sensors respectively and feed the dust emission data back to the electronic control unit 1, and the electronic control unit 1 can calculate the dust detection information according to the dust emission data collected by the three dust detection sensors and the installation position information of the three dust detection sensors.
In the method for determining the dust concentration based on the dust data of the three dust detection sensors, the dust concentration at the current time can be determined by calculating the arithmetic mean of the dust concentrations contained in the three dust data.
The principle of determining the dust orientation from the dust emission data of the three dust detection sensors is: if three dust detection sensors are respectively arranged in the upper, lower left and lower right directions, in a two-dimensional plane formed by the three points, if dust drifts from the right direction, the third dust sensor can preferentially detect dust, then the second dust sensor detects dust again, the time difference of the dust detected by the three dust sensors can be calculated through the electric control unit 1, the direction of a test source is judged, the target spraying direction is determined through the electric control unit 1, and a control command for controlling the spraying direction is given.
For example: the direction detected by the first dust detection sensor is taken as the Y-axis direction, and the coordinate of the direction is (0, Y)1) (ii) a Establishing a plane coordinate system by taking the direction of the second dust sensor and the direction of the third dust sensor as the X-axis direction, and respectively recording the coordinates of the second dust sensor and the third dust sensor as (X)20) and (X)3,0)。
Let the coordinate of the dust position to be determined be (X)0,Y0) Then, it can be known that:
first dust transferTime t when sensor senses dust1Comprises the following steps:
time t when the second dust sensor senses dust2Comprises the following steps:
time t when the third dust sensor senses dust3Comprises the following steps:
where V is the propagation velocity of the dust.
In conjunction with equations 1-3 above, the time difference between the detection of dust by each sensor (i.e., the time difference between the detection of dust by each sensor)t1、t2And t3The difference value of the positions of the dust and the dust can be calculated, and the position of the dust can be accurately positioned.
According to the operation machine provided by the invention, the three dust detection sensor arrays are arranged to form the sensor array, so that the sensor array is used for collecting dust detection information in real time and sending the dust detection information to the electronic control unit, the electronic control unit is used for quickly adjusting the spraying direction and the spraying strength in real time according to the actual distribution of dust, the testing device is simple, the response speed is high, the dust removal effect is more obvious, and the water consumption can be effectively saved.
Based on the content of the above embodiment, as an optional embodiment, in the case that the current spraying state of the working machine is automatic spraying, the electronic control unit 1 is further configured to control a spraying mode of the spraying device 5 according to the dust detection information; the spraying mode comprises a water spraying mode and an atomizing mode.
The working machine provided by the invention can adopt the following working modes:
after the operation machine starts to execute a work task, the electric control unit 1 is automatically started and is controlled by the electric control unit to respectively supply power to the flow control system 2, the spraying control system 3 and the dust detection system 4.
And collecting dust detection information by the dust detection system 4 according to a preset frequency, uploading the dust detection information to the electric control unit 1, determining the dust direction and the dust concentration by the electric control unit 1, and calculating the target spraying strength and the target spraying direction.
The electronic control unit 1 controls the spraying control system 3 to adjust the spraying direction of the spraying device 5 according to the target spraying direction and the current spraying direction; meanwhile, the electric control unit 1 controls the flow control system 2 to adjust the spraying intensity of the spraying device 5 according to the target spraying intensity and the current spraying intensity.
Meanwhile, the spraying mode of the spraying device 5 can be adjusted to a water spraying mode or an atomizing mode according to the dust concentration detected by the dust detection information.
Wherein, the water spraying mode is suitable for the conditions of larger dust concentration and serious pollution; the atomizing (spraying) mode is mainly used for keeping and inhibiting dust, and has high water resource utilization and utilization efficiency aiming at the conditions of small dust concentration and fine and slight dust pollution.
The mode of setting the spraying mode of the spraying device 5 can be realized by adjusting the diameter of the water outlet of the spraying head in the spraying device 5.
And continuously and iteratively executing the steps until the electric control unit 1 determines that the dust concentration is reduced to the minimum concentration threshold according to the dust detection information, and automatically closing the related spraying system (or closing the booster water pump and closing the water outlet valve of the water storage container) so as to achieve the purpose of saving water resources.
In general, when the current spraying state of the working machine is automatic spraying, the electronic control unit 1 automatically sets the spraying mode according to the dust detection information, but the spraying mode may be manually set by a driver.
According to the operation machine provided by the invention, the electric control unit can automatically adjust the spraying mode of the spraying device according to the dust detection information, so that the utilization rate of water resources is effectively improved.
Fig. 2 is a schematic work flow diagram of a work machine provided by the present invention, and as shown in fig. 2, as an alternative embodiment, the work machine provided by the present invention further includes: a human-computer interaction system 9.
The human-computer interaction system 9 mainly includes: a spray state selection component 10, a spray intensity adjustment component 11 and a spray direction adjustment component 12.
Under the condition that the spraying state selecting assembly 10 is in an opening state, the electric control unit 1 sets the current spraying state of the operation machine to be automatic spraying; in the case where the spray condition selecting assembly 10 is in the off state, the electronic control unit 1 sets the current spray condition of the work machine to manual spray.
Under the condition that the current spraying state is manual spraying, the electronic control unit 1 determines the target spraying intensity of the flow control system 2 according to the state of the spraying intensity adjusting component 11; the electronic control unit 1 also determines the target spraying direction of the spraying control system 3 according to the state of the spraying direction adjusting assembly 12.
As an alternative embodiment, as shown in fig. 2, the button corresponding to the spraying status selecting assembly 10 as the first button has two states, i.e., an on state and an off state. The driver can manually press the first button according to actual spraying requirements to realize switching of different states.
The two buttons corresponding to the spraying strength adjusting component 11 are respectively called a second button and a third button, the second button is arranged above the first button, and the third button is arranged below the first button.
The driver can set the spraying intensity by pressing the second button or the third button, wherein the setting value of the spraying intensity can be increased by pressing the second button, and the setting value of the spraying intensity can be decreased by pressing the second button.
Alternatively, the gears in which the spraying intensity can be preset include 6 gears, and the driver can increase or decrease the first gear each time the driver presses the second button or the third button.
The four buttons corresponding to the spraying direction adjusting assembly 12 are sequentially referred to as a fourth button to a seventh button, and are respectively used for adjusting the spraying direction to the left, the right, the up and the down.
The driver can manually adjust the spray intensity adjusting unit 11 and the spray direction adjusting unit 12 only when the current spray state is manually sprayed by the spray state selecting unit 10.
Optionally, in the working machine provided by the present invention, the driver may set the current spraying state as automatic spraying through the spraying state selecting assembly 10, so that the electronic control unit 1 automatically controls the flow control system to adjust the spraying intensity according to the dust detection information collected by the sensor array 6, and adjusts the spraying direction of the spray header 7 in the spraying device 5.
Then, the current spraying state is set to be manual spraying by the driver through the spraying state selecting component 10, so that the spraying intensity adjusting component 11 and the spraying direction adjusting component 12 are finely adjusted manually, and the defect that the electronic control unit 1 is automatically adjusted in a complex scene can be overcome.
According to the operation machine provided by the invention, the man-machine interaction system is additionally arranged in the cab, so that two dust removal modes of automatic spraying and manual spraying are provided for the selection of a driver, the spraying precision is further improved, the requirements of different spraying scenes can be met, and the operation machine is more humanized and intelligent.
Based on the content of the foregoing embodiment, as an optional embodiment, the human-computer interaction system 9 may further include: a spray mode selection assembly 13;
in the case that the current spraying state is manual spraying, the electronic control unit 1 may set the spraying mode of the spraying device 5 according to the state of the spraying mode selecting assembly 13.
In the above embodiment, it has been explained that the electronic control unit 1 can automatically set the spraying mode of the spraying device 5 to the water spraying mode or the atomizing mode according to the collected dust detection information. On the basis, the invention also adds an eighth button corresponding to the spray mode selection component 13 in the man-machine interaction system 9, and after the current spray state is set to be manual spray by the driver through the spray state selection component 10, the spray mode can be manually set by pressing the eighth button.
For example: under the condition that the current spraying state is automatic spraying, after spraying is carried out for a period of time (a water spraying mode is adopted), if a driver finds that the dust concentration is reduced, a first button can be manually pressed to set the spraying state to be manual spraying; then, the eighth button is pressed to set the spray mode to the atomization mode.
For another example: under the condition that the current spraying state is automatic spraying, after spraying is carried out for a period of time (in an atomization mode), if a driver finds that the reduction speed of the dust concentration is not obvious, a first button can be manually pressed to set the spraying state into manual spraying; then, press the eighth button, set the mode of spraying into the mode of drenching to promote the effect of dust fall.
According to the operation machine provided by the invention, the spraying mode selection assembly is additionally arranged in the human-computer interaction system, so that a driver can manually set the spraying mode according to actual needs, the requirement of the driver on actual dust fall can be met, and the operation machine is more humanized.
Based on the content of the foregoing embodiment, as an optional embodiment, the human-computer interaction system 9 may further include: a cruise mode selection assembly 14;
under the condition that the current spraying state is manual spraying, the electronic control unit 1 sets a cruise mode of the spraying control system according to the state of the cruise mode selection assembly 14; the cruise mode comprises a polling mode and a positioning mode.
The spraying control system 3 mainly controls the spraying direction of the spraying device, and mainly controls the two steering motor systems 8 to realize the rotation of the spraying head 7 on a two-dimensional plane. Wherein the maximum rotation angle of the rotation of the shower head 7 in the two-dimensional plane may be set to 120 °.
The polling mode is to control the spray header 7 to swing left and right and/or up and down at a certain speed within a preset angle range so as to uniformly cover the front area.
The positioning mode is to control the spray head 7 to continuously spray for a certain target point, and no matter how the arm of the excavator swings, the spray head 7 always faces the target point.
The button that sets the state of the cruise mode selection assembly 14 is referred to herein as the ninth button, i.e., the driver can toggle back and forth between cruise modes by pressing the ninth button.
It should be noted that, after switching to the polling mode or the positioning mode, the electronic control unit 1 performs calculation and control, and the method of calculation and control is not limited in the present invention, for example: in the positioning mode, the absolute coordinate of the target point is obtained, the spraying direction of the spray header 7 is adjusted to face the absolute coordinate, and the absolute coordinate is not changed when the working direction of the excavator or the direction of the arm changes, at this time, the electronic control unit 1 adjusts the spraying direction reversely (rotates 10 ° to the right) according to the change of the working direction of the excavator or the direction of the arm (if the excavator rotates 10 ° to the left), so that the spray header 7 always faces the target point.
According to the operation machine provided by the invention, the cruise mode selection assembly is additionally arranged in the man-machine interaction system, so that the selection of a driver for different spraying modes can be met, the requirements of various spraying scenes can be met, and the adaptability is stronger.
Based on the content of the foregoing embodiment, as an optional embodiment, the human-computer interaction system 9 may further include: a display screen 15 and a start-stop switch 16;
the display screen 15 is mainly used for displaying at least one of the following information: the current spraying state, the dust detection information, the current spraying intensity, the target spraying intensity, the current spraying direction, the target spraying direction, the current spraying mode and the current cruising mode;
the start-stop switch 16 is used for controlling the start and stop of the electronic control unit.
Data communication between the electric control unit 1 and the human-computer interaction system 9 can be interacted through a control bus so as to realize real-time transmission of data flow and control flow. The electric control unit 1 is mainly used for collecting information such as a current spraying state, dust detection information, current spraying intensity, target spraying intensity, a current spraying direction, a target spraying direction, a current spraying mode and a current cruising mode in a spraying process, and displaying at least one part of the information on the display screen 15 for a driver to check.
Particularly, when the current spraying state of the working machine is manual spraying, the driver can more accurately set the first button to the ninth button in the human-computer interaction system 9 by referring to the information displayed in the display screen 15, so as to increase the manual setting precision of the spraying strength and the spraying direction.
The start-stop switch 16 is set as a tenth button, and the driver can realize start-stop control of the electronic control unit 1 by pressing the start-stop switch 16.
The working machine provided by the invention displays various information in the spraying process to a driver in real time by additionally arranging the display screen, provides reference for the driver to manually adjust the spraying strength and the spraying direction, and can also judge the occurrence of emergency situations in advance according to the displayed information so as to determine to manually adjust the equipment related to spraying, so that the safety of the equipment can be improved to a certain extent.
Based on the content of the foregoing embodiment, as an optional embodiment, at least one of the following identifiers is set on the display interface of the display screen: the device comprises a spraying state selection mark, a spraying intensity adjustment mark, a spraying direction adjustment mark, a spraying mode selection mark, a cruise mode selection mark and a start-stop switch mark;
the spraying state selection mark points to the spraying state selection component, the spraying intensity adjustment mark points to the spraying intensity adjustment component, the spraying direction adjustment mark points to the spraying direction adjustment component, the spraying mode selection mark points to the spraying mode selection component, the cruising mode selection mark points to the cruising mode selection component, and the start-stop switch mark points to the start-stop switch.
In the above embodiment, the spray state selecting unit 10, the spray intensity adjusting unit 11, the spray direction adjusting unit 12, the spray mode selecting unit 13, the cruise mode selecting unit 14, and the start/stop switch 16 are provided in the cab by way of the first to tenth buttons. As another alternative, different labels may be provided on the display interface of the display screen, each label functioning as a similar button.
For example: a spraying state selection mark is arranged on a display interface of a display screen, and after the electronic control unit 1 receives a first input of clicking the spraying state selection mark by a driver, the electronic control unit responds to the first input and controls the spraying state selection component 10 to switch the state once. If the current spraying state is automatic spraying, after receiving the first input, automatically switching the current spraying state into manual spraying,
optionally, different colors of the spraying status selection indicator can be used to indicate different spraying statuses, such as: when the spraying state selection mark is green, the current spraying state is represented as automatic spraying; when the spraying state selection mark is yellow, the current spraying state is indicated as manual spraying.
Correspondingly, the above-mentioned method may also be adopted to perform similar definitions on the spraying intensity adjustment identifier, the spraying direction adjustment identifier, the spraying mode selection identifier, the cruise mode selection identifier, and the start-stop switch identifier, which are not described in detail herein.
According to the operation machine provided by the invention, the relevant virtual identification is integrated and arranged on the display interface of the display screen, so that a driver can control the spraying state selecting component, the spraying intensity adjusting component, the spraying direction adjusting component, the spraying mode selecting component, the cruising mode selecting component, the start-stop switch and the like, the space is effectively saved, and the virtual mode is adopted to replace a button, so that the failure rate is lower, and the operation and control of the driver are more convenient.
Based on the content of the foregoing embodiment, as an optional embodiment, the flow control system 2 mainly includes: a booster water pump 17 and a flow meter 18;
the flow meter is used for acquiring flow information of spraying and sending the flow information to the electric control unit;
and the electric control unit controls the booster water pump according to the flow information so as to adjust the current spraying intensity to the target spraying intensity.
As shown in fig. 2, the booster pump 17 is a key device of the whole spraying system, and is responsible for taking out the water in the water storage container 19, and the water after being pressurized flows through the flow meter 18 and then is delivered to the spraying device 5 at the later stage.
The flowmeter mainly has the following functions: the spraying flow information feedback is generated by detecting the spraying water flow in real time, and the information is fed back to the electric control unit 1, so that the electric control unit 1 can accurately control the spraying strength according to the received flow information.
According to the operation machine provided by the invention, the flow meter is additionally arranged in the flow control system to detect the flow information in the spraying pipeline in real time, and the flow information is fed back to the electric control unit, so that the accurate control of the electric control unit on the spraying strength can be effectively improved.
Based on the above description of the embodiments, as an alternative embodiment, the working machine is an excavator.
Because the dust raising condition caused by the excavator in the working process is serious, the working machine provided by the invention can be the excavator, the spraying pipeline and the spraying device 5 connected with the spraying pipeline are fixedly arranged on the cab of the excavator, and the spraying control system 3 is arranged at the relevant position of the spraying device 5, so that the spraying direction of the spraying device 5 can be adjusted; and the electric control unit 1, the flow control system 2, the man-machine interaction system 9 and the like are arranged in the cab, so that the damage of the components can be prevented.
It should be noted that the excavator is only one type of the working machine provided by the present invention, and is not to be considered as a specific limitation to the scope of the present invention, and the working machine may be a paver, a road roller, a milling machine, a heading machine, a coal mining machine, or the like.
The excavator provided by the invention can automatically adjust the spraying strength and the spraying direction of the spraying device through collecting the dust detection information in the operation process in real time so as to remove dust in a targeted manner, effectively ensure the health of operating personnel, and achieve the purpose of saving water resources on the basis of ensuring the dust removal effect.
The above-described embodiments are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute various embodiments or some portions of embodiments described above.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A work machine, comprising: the device comprises an electric control unit, a flow control system, a spraying control system, a dust detection system and a spraying device; the dust detection system comprises at least one set of sensor arrays;
under the condition that the current spraying state of the operation machine is automatic spraying, the electric control unit determines the target spraying strength and the target spraying direction according to the dust detection information collected by the sensor array;
the current spraying intensity is adjusted to be the target spraying intensity by the flow control system, and the current spraying direction is adjusted to be the target spraying direction by the spraying control system, so that the spraying is automatically carried out through the spraying device.
2. The work machine of claim 1, wherein said sensor array is comprised of three dust detection sensors arranged in a delta configuration.
3. The work machine of claim 1, wherein the electronic control unit is further configured to control a spray mode of the spray device based on the dust detection information in a case where a current spray state of the work machine is automatic spray;
the spraying mode comprises a water spraying mode and an atomizing mode.
4. The work machine of claim 1, further comprising: a human-computer interaction system;
the human-computer interaction system comprises a spraying state selection component, a spraying intensity adjusting component and a spraying direction adjusting component;
under the condition that the spraying state selecting assembly is in an opening state, the electric control unit sets the current spraying state of the operation machine to be automatic spraying; under the condition that the spraying state selecting assembly is in a disconnected state, the electric control unit sets the current spraying state of the operation machine to be manual spraying;
under the condition that the current spraying state is manual spraying, the electric control unit determines the target spraying intensity of the flow control system according to the state of the spraying intensity adjusting assembly; and the electronic control unit also determines the target spraying direction of the spraying control system according to the state of the spraying direction adjusting assembly.
5. The work machine of claim 4, wherein said human-machine interaction system further comprises: a spray mode selection component;
and under the condition that the current spraying state is manual spraying, the electronic control unit sets the spraying mode of the spraying device according to the state of the spraying mode selection assembly.
6. The work machine of claim 5, wherein said human-machine interaction system further comprises: a cruise mode selection component;
under the condition that the current spraying state is manual spraying, the electronic control unit sets a cruise mode of the spraying control system according to the state of the cruise mode selection assembly;
the cruise mode comprises a polling mode and a positioning mode.
7. The work machine of claim 6, wherein said human-machine interaction system further comprises: the display screen and the start-stop switch;
the display screen is used for displaying at least one of the following information: the current spraying state, the dust detection information, the current spraying intensity, the target spraying intensity, the current spraying direction, the target spraying direction, the current spraying mode and the current cruising mode;
the start-stop switch is used for controlling the start-stop of the electric control unit.
8. The work machine of claim 7, wherein at least one of the following indicia is provided on the display interface of the display screen: the device comprises a spraying state selection mark, a spraying intensity adjustment mark, a spraying direction adjustment mark, a spraying mode selection mark, a cruise mode selection mark and a start-stop switch mark;
the spraying state selection mark points to the spraying state selection component, the spraying intensity adjustment mark points to the spraying intensity adjustment component, the spraying direction adjustment mark points to the spraying direction adjustment component, the spraying mode selection mark points to the spraying mode selection component, the cruising mode selection mark points to the cruising mode selection component, and the start-stop switch mark points to the start-stop switch.
9. The work machine of claim 1, wherein said flow control system comprises: a booster water pump and a flow meter;
the flow meter is used for acquiring flow information of spraying and sending the flow information to the electric control unit;
and the electric control unit controls the booster water pump according to the flow information so as to adjust the current spraying intensity to the target spraying intensity.
10. The work machine of claim 1, wherein the work machine is an excavator.
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