CN110917772A - Intelligent spraying control system and method and dust suppression vehicle - Google Patents
Intelligent spraying control system and method and dust suppression vehicle Download PDFInfo
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Abstract
The intelligent spray control system measures the dust concentration quality M of an operation area through a laser dust meter, measures the pitch angle α of an air gun through an air gun inclination angle sensor, obtains the real-time running speed V of a vehicle through a data processor, calculates the target rotating speed of a fan and a water pump through the data processor based on the dust concentration quality M, the pitch angle α of the air gun and the vehicle running speed V to obtain the target rotating speed of the fan and the water pump, and finally controls the working state of the fan and the water pump to reach the target rotating speed through a controller, so that the intelligent regulation of the fan and the water pump is completed, the whole regulation process does not need human intervention, and the rotating speed of the fan and the water pump is closely related to the dust concentration quality M of the operation area, the pitch angle α of the air gun and the vehicle running speed V, so that the spray amount can be accurately controlled, the optimal spray dust settling effect is obtained, and the intelligent spray control system can be well suitable for unmanned vehicles.
Description
Technical Field
The invention relates to the technical field of dust suppression vehicle control, in particular to an intelligent spraying control system, and in addition, the invention also particularly relates to an intelligent spraying control method and a dust suppression vehicle adopting the intelligent spraying control system.
Background
The dust suppression vehicle is a sanitation vehicle which utilizes a high-speed fan to blow water mist for spraying, can effectively suppress the content of dust and other air pollutants in the air, and achieves the purpose of purifying the air. The two main functional components of the dust suppression vehicle are a fan and a water pump, wherein the fan is generally driven by a hydraulic motor or a motor, and the rotating speed of the fan can be manually adjusted by a driver; the water pump is generally driven by a power takeoff of a vehicle chassis or a hydraulic motor, most of the existing dust suppression vehicles can not carry out water pump speed regulation and can only carry out water pump opening and closing actions. Therefore, the existing dust suppression vehicle has the following defects:
1. the on, off and speed regulation actions of the fan and the on and off actions of the water pump all need to be manually operated by a driver, the adjustment accuracy is poor, and the dust suppression device cannot be suitable for an unmanned dust suppression vehicle;
2. the spraying mode is relatively extensive, the spraying amount cannot be accurately controlled, the spraying amount is not matched with the rotating speed of the fan, and optimal control cannot be performed according to the specific conditions of the operation area.
Disclosure of Invention
The invention provides an intelligent spray control system and method and a dust suppression vehicle, and aims to solve the technical problems that the existing dust suppression vehicle is manually operated to turn on and off a fan, regulate the speed and turn on and off a water pump, is poor in regulation accuracy, cannot be suitable for an unmanned dust suppression vehicle, cannot accurately control the spray volume, is not matched with the rotating speed of the fan, and cannot optimally control according to the specific conditions of an operation area.
According to one aspect of the present invention, there is provided an intelligent spray control system comprising
The laser dust meter is used for measuring the dust concentration quality of the operation area;
the wind cannon inclination angle sensor is used for measuring an included angle between the central axis of the wind cannon and the horizontal ground;
the data processor is used for acquiring the real-time running speed of the vehicle and calculating the target rotating speeds of the fan and the water pump by combining the measurement results of the laser dust meter and the wind gun inclination angle sensor;
and the controller is used for receiving the calculation result of the data processor and correspondingly controlling the fan and the water pump to reach the target rotating speed according to the calculation result.
Further, also includes
The first plunger motor is used for driving the fan impeller to rotate;
a first plunger pump for driving a first plunger motor under the control of the controller;
the second plunger motor is used for driving the water pump to rotate;
a second plunger pump for driving the second plunger motor under the control of the controller;
the data processor is further used for respectively calculating current values of the proportional electric signals of the first plunger pump and the second plunger pump based on target rotating speeds of the fan and the water pump, and the controller correspondingly controls working states of the first plunger pump and the second plunger pump according to the current values of the proportional electric signals of the first plunger pump and the second plunger pump.
Further, also includes
The fan rotating speed sensor is used for measuring the rotating speed of the fan in real time;
the data processor is further used for receiving the detection result of the fan rotating speed sensor, judging whether the error between the real-time rotating speed of the fan and the target rotating speed exceeds a preset range or not, and if the error exceeds the preset range, automatically correcting the current value of the proportional electric signal of the first plunger pump.
Further, also includes
The water pump rotating speed sensor is used for measuring the rotating speed of the water pump in real time;
and the data processor is also used for receiving the detection result of the water pump rotating speed sensor and judging whether the error between the real-time rotating speed and the target rotating speed of the water pump exceeds a preset range, and if so, the data processor automatically corrects the current value of the proportional electric signal of the second plunger pump.
Further, also includes
The alarm device is used for sending out alarm reminding;
and the data processor is also used for controlling an alarm device to give an alarm prompt when the detection value of the laser dust meter is judged to be larger than a preset value.
The invention also provides an intelligent spray control method, which comprises the following steps:
step S1: measuring the dust concentration quality of an operation area and an included angle between the central axis of the air cannon and the horizontal ground;
step S2: acquiring the real-time running speed of a vehicle;
step S3: calculating to obtain target rotating speeds of the fan and the water pump based on the real-time running speed of the vehicle, the dust concentration quality of the operation area and an included angle between the central axis of the air cannon and the horizontal ground;
step S4: and controlling the fan and the water pump to reach the target rotating speed.
Further, the step S3 is specifically:
judging whether the dust concentration of the operation area is greater than a preset value, if not, calculating to obtain the water mist coverage rate of the unit area based on the following formula,
epsilon represents the coverage rate of water mist per unit area, K represents the spraying speed of the water mist at the nozzle, α represents the included angle between the central axis of the wind cannon and the horizontal ground, V represents the running speed of the vehicle,
then the total water yield Q of the spraying system is calculated based on the following formula,
mu represents a water amount adjustment coefficient, Q0The water outlet quantity of the water pump base is shown,
and calculating to obtain a target value of the rotating speed of the water pump based on the total water yield Q of the spraying system, searching a spraying system nozzle model base to obtain the number of nozzles and pressure parameters of each nozzle outlet, and calculating to obtain a target value of the rotating speed of the fan based on the pressure parameters of each nozzle outlet.
Further, the step S3 further includes the following steps:
and sending an alarm prompt when the dust concentration in the operation area is judged to be greater than a preset value.
Further, the method also comprises the following steps:
step S5: measuring the rotating speed of the fan and/or the water pump in real time;
step S6: and judging whether the error between the real-time rotating speed of the fan and/or the water pump and the target rotating speed exceeds a preset range, and if so, automatically correcting.
The invention also provides a dust suppression vehicle which adopts the intelligent spraying control system.
The invention has the following beneficial effects:
the intelligent spray control system measures the dust concentration quality M of an operation area through a laser dust meter, measures the pitch angle α of an air gun through an air gun inclination angle sensor, obtains the real-time running speed V of a vehicle through a data processor, calculates the target rotating speeds of a fan and a water pump based on the dust concentration quality M, the pitch angle α of the air gun and the vehicle running speed V through the data processor, and finally controls the working states of the fan and the water pump through a controller to enable the fan and the water pump to reach the target rotating speeds, so that the intelligent regulation of the fan and the water pump is completed, the whole regulation process does not need human intervention, and the fan rotating speed and the water pump rotating speed are closely related to the dust concentration quality M of the operation area, the pitch angle α of the air gun and the vehicle running speed V, so that the spray amount can be accurately controlled, the optimal spray dust settling effect is obtained, and the intelligent spray control system can be well suitable for.
In addition, the intelligent spraying control method and the dust suppression vehicle have the advantages.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a module connection structure of an intelligent spray control system according to a preferred embodiment of the present invention.
Fig. 2 is a control flow diagram of the intelligent spray control system according to the preferred embodiment of the present invention.
Fig. 3 is a flowchart illustrating an intelligent spray control method according to a second embodiment of the present invention.
Description of the reference numerals
10. A laser dust meter; 11. a wind cannon inclination angle sensor; 12. a fan speed sensor; 13. a water pump rotation speed sensor; 14. a data processor; 15. a controller; 16. an alarm device; 111. a first plunger motor; 112. a first plunger pump; 113. a second plunger motor; 114. a second plunger pump.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
As shown in fig. 1 and 2, a preferred embodiment of the present invention provides an intelligent spray control system, which is installed on a dust suppression vehicle, can intelligently adjust the rotation speed of a fan and a water pump, does not require manual intervention, and the fan rotation speed and the water pump rotation speed are related to the dust concentration of a work area, and the fan rotation speed, the water pump rotation speed and the number of nozzles are coupled and controlled, and can precisely control the spray amount, thereby achieving an optimal spray dust suppression effect, and is well suited for use in an unmanned dust suppression vehicle, the intelligent spray control system includes a laser dust meter 10, a wind cannon inclination sensor 11, a data processor 14 and a controller 15, the data processor 14 is connected with the laser dust meter 10, the wind cannon inclination sensor 11 and the controller 15, the laser dust meter 10 acquires an air sample and then detects the sample according to a laser scattering particle measurement method, thereby obtaining the dust concentration quality M of the work area, the dust concentration quality M is a basic parameter for intelligent spray control, and is key data for subsequent calculation, the wind cannon inclination sensor 11 is installed on a wind cannon, an ECU can measure the horizontal central axis of the wind cannon and ground, the central axis of the wind cannon is connected with the data processor, the wind cannon is connected with the data processor 14, the wind speed controller 14, the wind cannon rotation speed data processor processes the wind speed data, the wind speed data processor 14, the wind speed data is obtained, the wind speed data processor is obtained, the wind cannon rotation speed data is processed, the wind speed of the wind cannon is processed, the.
In this embodiment, the intelligent spray control system measures the dust concentration mass M of the working area through the laser dust meter 10, measures the pitch angle α of the wind cannon through the wind cannon tilt angle sensor 11, and obtains the real-time running speed V of the vehicle through the data processor 14, the data processor 14 calculates the target rotating speed of the fan and the water pump based on the dust concentration mass M, the pitch angle α of the wind cannon and the vehicle running speed V, and finally controls the working state of the fan and the water pump through the controller 15 to enable the fan and the water pump to reach the target rotating speed, so that the intelligent regulation of the fan and the water pump is completed, the whole regulation process does not need human intervention, and the fan rotating speed and the water pump rotating speed are closely related to the dust concentration mass M of the working area, the pitch angle α of the wind cannon and the vehicle running speed V, so that the spray amount can be accurately controlled, and the optimal spray dust settling effect is obtained, and the intelligent.
It can be understood that, after the laser dust meter 10 transmits the measurement result to the data processor 14, the data processor 14 first determines whether the dust concentration quality detected in real time exceeds a preset dust concentration quality value, and if so, the data processor 14 sends an alarm signal. Therefore, preferably, the intelligent spraying control system further comprises an alarm device 16, and when the data processor 14 determines that the detection value of the laser dust meter 10 is greater than the preset dust concentration quality value, the alarm device 16 is controlled to give an alarm prompt to indicate that the dust concentration in the operation area is high, and multiple operations are required. The alarm device 16 may be a display screen so that an alarm is displayed through the screen; or the alarm device 16 is a sound and light alarm device, and can perform sound alarm, light alarm or a combination of the sound alarm and the light alarm; or the alarm device 16 is a voice alarm device and can send out voice alarm reminding. If the data processor 14 judges that the detection value of the laser dust meter 10 is less than or equal to the preset dust concentration quality value, the data processor 14 calculates the unit area water mist coverage rate epsilon of the dust suppression vehicle under the working condition based on the following formula,
wherein epsilon represents the coverage rate of the water mist per unit area, which is the ratio of the mass of the water mist passing through a certain unit area volume (such as per cubic meter) to the mass of the water mist entering the unit area volume in a certain unit time (such as per second), K represents the spraying speed of the water mist at the nozzle, which is a design value, the value of K is usually 7m/s to 10m/s, α represents the included angle between the central axis of the wind cannon and the horizontal ground, and V represents the running speed of the vehicle.
After the data processor 14 calculates the unit area water mist coverage rate epsilon, a reasonable total water yield Q (M) of the spraying system is calculated according to the dust concentration mass M of the operation area3) The specific calculation formula is as follows,
wherein mu represents a water quantity adjustment coefficient, has a coupling relation with the dust concentration mass M and is obtained through experimental data, Q0And the basic water yield of the water pump is represented and is a self-defined design value.
The total water output Q of the spraying system is determined by two factors, one is the number of the nozzles and the pressure of the nozzle outlet, and the other is the rotating speed and the discharge capacity of the water pump. In this case, the displacement parameters of the water pump have been previously input into the data processor 14, so that the data processor 14 can calculate the preferred target value N2(r/min) of the water pump speed from the total water output Q of the spray system. In addition, a spray system nozzle model base of the dust suppression vehicle is entered into the data processor 14 and includes a pressure-flow parameter comparison table of each type of nozzle, the data processor 14 obtains the optimal number of nozzles and pressure parameters of each nozzle outlet after searching the spray system nozzle model base, and the outlet pressure parameters of the nozzles are visually represented in the spray system as the atomization rate of water mist, and the atomization rate can directly influence the spray dust suppression effect. The atomization rate of the water mist determines the spray distance and the adsorption capacity of the water mist, but when the atomization rate of the water mist is the same and the wind speed at the outlet of the fan is different, the spraying dust settling effect of the spraying system is also different, so the data processor 14 calculates a preferable target value N1(r/min) of the rotating speed of the fan according to the pressure parameters at the outlet of each nozzle.
It is understood that the intelligent spray control system further comprises a hydraulic system, and the hydraulic system comprises two closed system circuits, wherein the first plunger pump 112 and the first plunger motor 111 form a pipeline system of a first closed circulation, and the second plunger pump 114 and the second plunger motor 113 form a pipeline system of a second closed circulation. The first plunger motor 111 is connected to the fan impeller to drive the fan impeller to rotate, and the first plunger pump 112 is connected to the controller 15 and the first plunger motor 111 respectively to drive the first plunger motor 111 to rotate under the control of the controller 15. The second plunger motor 113 is connected with the water pump to rotate the water pump, and the second plunger pump 114 is respectively connected with the controller 15 and the second plunger motor 113 to drive the second plunger motor 113 to rotate under the control of the controller 15. The first plunger pump 112 and the second plunger pump 114 both adopt electric proportional variable plunger pumps, the current value of the electric proportional signal can be adjusted as required to control the output displacement of the first plunger pump 112 and the second plunger pump 114, and the first plunger motor 111 and the second plunger motor 113 both adopt oblique axis type quantitative plunger motors. It can be understood that, without considering the volumetric efficiency, the volume of the hydraulic oil output by the first plunger pump 112 is the same as the volume of the hydraulic oil input by the first plunger motor 111, the volume of the hydraulic oil output by the first plunger pump 112 is the product of the output displacement of the first plunger pump 112 and the rotation speed thereof, and the electrical proportional variable plunger pump is characterized in that the output displacement of the variable plunger pump can be controlled by adjusting the magnitude of the input current value, and the output displacement of the variable plunger pump and the current value are in a linear relationship. Therefore, according to the above principle, the data processor 14 may calculate the target value of the fan proportional electric signal I1 by the target value N1 of the fan speed; similarly, the data processor 14 may calculate a target value of the water pump proportional electric signal I2 according to the target value N2 of the water pump speed. The data processor 14 transmits the target value of the fan proportional electric signal I1 and the target value of the water pump proportional electric signal I2 to the controller 15 through CAN bus communication, the controller 15 inputs specific electric signals to the electric proportional control valves of the first plunger pump 112 and the second plunger pump 114 respectively, and then adjusts the output displacement of the first plunger pump 112 and the second plunger pump 114, so as to adjust the rotation speed of the first plunger motor 111 and the second plunger motor 113, and finally adjusts the rotation speed of the fan and the water pump to enable the fan and the water pump to reach the target rotation speed. It can be understood that the hydraulic system does not need a closed system loop, the electric proportional plunger pump is replaced by a load sensitive pump, then the electric proportional control valve is added in the hydraulic system, the throttle area of the electric proportional control valve is changed through the electric proportional signal, and the purpose of adjusting the rotating speed of the plunger motor by using the electric proportional signal can be achieved.
It can be understood that, as a preferred option, the intelligent spray control system further comprises a fan rotation speed sensor 12, and the fan rotation speed sensor 12 is preferably a gear rotation speed sensor and is mounted on a fan transmission shaft for measuring the rotation speed n1(r/min) when the fan normally works. After the fan starts to work, the fan speed sensor 12 collects the speed N1 of the fan in real time and transmits a detection result to the data processor 14, and the data processor 14 judges whether the error between the real-time speed N1 and the target speed N1 of the fan exceeds a preset range, for example, whether the error exceeds +/-2%, if the error exceeds the preset range, the data processor 14 automatically corrects the target value of the fan ratio electrical signal I1 until the error between the real-time speed N1 and the target speed N1 of the fan does not exceed the preset range, so that the self-correction and adjustment of the fan speed are realized, and the control accuracy of the spray amount is further improved.
It can be understood that, as a preferred option, the intelligent spray control system further comprises a water pump rotation speed sensor 13, and the water pump rotation speed sensor 13 is preferably a gear rotation speed sensor and is mounted on a water pump transmission shaft for measuring the rotation speed n2(r/min) of the water pump in normal operation. After the water pump starts to work, the water pump rotation speed sensor 13 acquires the rotation speed N2 of the water pump in real time, and transmits a detection result to the data processor 14, and the data processor 14 judges whether the error between the real-time rotation speed N2 and the target rotation speed N2 of the water pump exceeds a preset range, for example, whether the error exceeds +/-2%, if the error exceeds the preset range, the data processor 14 automatically corrects the target value of the water pump proportion electric signal I2 until the error between the real-time rotation speed N2 and the target rotation speed N2 does not exceed the preset range, so that the self-correction and adjustment of the rotation speed of the water pump are realized, and the control accuracy of. It can also be understood that the self-correction error preset range of the fan and the self-correction error preset range of the water pump may be adjusted according to actual conditions, for example, may be ± 3%, ± 4%, ± 5%, and the like, and are not limited herein.
It can be understood that, as shown in fig. 3, the second embodiment of the present invention also provides an intelligent spray control method, which preferably adopts the intelligent spray control system of the above preferred embodiment. The intelligent spraying control method comprises the following steps:
step S1: measuring the dust concentration quality of an operation area and an included angle between the central axis of the air cannon and the horizontal ground;
step S2: acquiring the real-time running speed of a vehicle;
step S3: calculating to obtain target rotating speeds of the fan and the water pump based on the real-time running speed of the vehicle, the dust concentration quality of the operation area and an included angle between the central axis of the air cannon and the horizontal ground;
step S4: and controlling the fan and the water pump to reach the target rotating speed.
In this embodiment, the intelligent spray control method includes measuring the dust concentration mass M and the pitch angle α of the air cannon in the operation area, obtaining the real-time running speed V of the vehicle, calculating the target rotating speeds of the fan and the water pump based on the dust concentration mass M, the pitch angle α of the air cannon and the vehicle running speed V, and controlling the working states of the fan and the water pump correspondingly to enable the fan and the water pump to reach the target rotating speeds, so that the intelligent regulation of the fan and the water pump is completed, the whole regulation process does not need human intervention, and the fan rotating speed and the water pump rotating speed are closely related to the dust concentration mass M in the operation area, the pitch angle α of the air cannon and the vehicle running speed V, so that the spray amount can be accurately controlled, the optimal spray dust suppression effect is obtained, and the method is well suitable for unmanned sanitation vehicles.
It is to be understood that the implementation manner of each step of the intelligent spray control method has been described in detail in the intelligent spray control system of the above preferred embodiment, and therefore, the detailed description thereof is omitted.
It is understood that the step S3 further includes the following steps:
and sending an alarm prompt when the dust concentration of the operation area is judged to be greater than a preset value, wherein the alarm prompt mode comprises but is not limited to screen display alarm, voice alarm, sound alarm, light alarm or combination of sound alarm and light alarm.
It is understood that, as a preferred method, the intelligent spray control method further comprises the following steps:
step S5: measuring the rotating speed of the fan and/or the water pump in real time;
step S6: and judging whether the error between the real-time rotating speed of the fan and/or the water pump and the target rotating speed exceeds a preset range, and if so, automatically correcting.
It is understood that the specific implementation manner of the step S5 and the step S6 has been described in detail in the intelligent spray control system of the above preferred embodiment, and therefore, the detailed description thereof is omitted here.
It can be appreciated that the third embodiment of the present invention also provides a dust suppression vehicle that employs the intelligent spray control system of the preferred embodiment described above, wherein the dust suppression vehicle is preferably an unmanned dust suppression vehicle.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An intelligent spraying control system is characterized in that,
comprises that
The laser dust meter (10) is used for measuring the dust concentration quality of the operation area;
the wind cannon inclination angle sensor (11) is used for measuring an included angle between the central axis of the wind cannon and the horizontal ground;
the data processor (14) is used for acquiring the real-time running speed of the vehicle and calculating the target rotating speeds of the fan and the water pump by combining the measurement results of the laser dust meter (10) and the wind gun inclination angle sensor (11);
and the controller (15) is used for receiving the calculation result of the data processor (14) and correspondingly controlling the fan and the water pump to reach the target rotating speed according to the calculation result.
2. The intelligent spray control system of claim 1,
also comprises
The first plunger motor (111) is used for driving the fan impeller to rotate;
a first plunger pump (112) for driving a first plunger motor (111) under the control of the controller (15);
the second plunger motor (113) is used for driving the water pump to rotate;
a second plunger pump (114) for driving a second plunger motor (113) under the control of the controller (15);
the data processor (14) is further used for calculating and obtaining current values of the proportional electric signals of the first plunger pump (112) and the second plunger pump (114) respectively based on target rotating speeds of the fan and the water pump, and the controller (15) correspondingly controls the working states of the first plunger pump (112) and the second plunger pump (114) according to the current values of the proportional electric signals of the first plunger pump and the second plunger pump.
3. The intelligent spray control system of claim 2,
also comprises
The fan rotating speed sensor (12) is used for measuring the rotating speed of the fan in real time;
the data processor (14) is further used for receiving a detection result of the fan rotating speed sensor (12), judging whether an error between the real-time rotating speed of the fan and the target rotating speed exceeds a preset range, and if the error exceeds the preset range, automatically correcting the current value of the proportional electric signal of the first plunger pump (112) by the data processor (14).
4. The intelligent spray control system of claim 2,
also comprises
The water pump rotating speed sensor (13) is used for measuring the rotating speed of the water pump in real time;
the data processor (14) is further used for receiving the detection result of the water pump rotating speed sensor (13) and judging whether the error between the real-time rotating speed and the target rotating speed of the water pump exceeds a preset range or not, and if yes, the data processor (14) automatically corrects the current value of the proportional electric signal of the second plunger pump (114).
5. The intelligent spray control system of claim 1,
also comprises
The alarm device (16) is used for sending out an alarm prompt;
and the data processor (14) is also used for controlling an alarm device (16) to give an alarm prompt when the detection value of the laser dust meter (10) is judged to be greater than a preset value.
6. An intelligent spray control method is characterized in that,
the method comprises the following steps:
step S1: measuring the dust concentration quality of an operation area and an included angle between the central axis of the air cannon and the horizontal ground;
step S2: acquiring the real-time running speed of a vehicle;
step S3: calculating to obtain target rotating speeds of the fan and the water pump based on the real-time running speed of the vehicle, the dust concentration quality of the operation area and an included angle between the central axis of the air cannon and the horizontal ground;
step S4: and controlling the fan and the water pump to reach the target rotating speed.
7. The intelligent spray control method of claim 6,
the step S3 specifically includes:
judging whether the dust concentration of the operation area is greater than a preset value, if not, calculating to obtain the water mist coverage rate of the unit area based on the following formula,
epsilon represents the coverage rate of water mist per unit area, K represents the spraying speed of the water mist at the nozzle, α represents the included angle between the central axis of the wind cannon and the horizontal ground, V represents the running speed of the vehicle,
then the total water yield Q of the spraying system is calculated based on the following formula,
mu represents a water amount adjustment coefficient, Q0The water outlet quantity of the water pump base is shown,
and calculating to obtain a target value of the rotating speed of the water pump based on the total water yield Q of the spraying system, searching a spraying system nozzle model base to obtain the number of nozzles and pressure parameters of each nozzle outlet, and calculating to obtain a target value of the rotating speed of the fan based on the pressure parameters of each nozzle outlet.
8. The intelligent spray control method of claim 7,
the step S3 further includes the following steps:
and sending an alarm prompt when the dust concentration in the operation area is judged to be greater than a preset value.
9. The intelligent spray control method of claim 7,
further comprising the steps of:
step S5: measuring the rotating speed of the fan and/or the water pump in real time;
step S6: and judging whether the error between the real-time rotating speed of the fan and/or the water pump and the target rotating speed exceeds a preset range, and if so, automatically correcting.
10. A dust suppression vehicle is characterized in that the intelligent spray control system as claimed in any one of claims 1-5 is adopted.
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| CN112316619A (en) * | 2020-10-17 | 2021-02-05 | 上海神舟精宜汽车制造有限公司 | Multifunctional dust suppression vehicle and control method |
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| CN114889496A (en) * | 2022-05-20 | 2022-08-12 | 中国第一汽车股份有限公司 | Battery temperature adjusting method and system and vehicle |
| CN114904692A (en) * | 2022-05-27 | 2022-08-16 | 苏州光宝科技股份有限公司 | High accuracy wafer spraying equipment with self-discriminant self-detection effect |
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