CN114384957A - Intelligent control system and method for crushing working condition of excavator - Google Patents
Intelligent control system and method for crushing working condition of excavator Download PDFInfo
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Abstract
The invention discloses an intelligent control system and method for the crushing working condition of an excavator, relating to the technical field of excavators and comprising the following steps: the information acquisition module: the system comprises a monitoring module, a data processing module and a data processing module, wherein the monitoring module is used for acquiring working condition information and processing the working condition information to obtain working condition parameters; a power parameter setting module: the power control device is used for calculating and setting a power parameter according to the obtained working condition parameter; an overflow valve pressure matching module; a crushing and main pump flow detection module; an output power calculation module; a power judgment module; the main pump output flow regulation module; the invention can realize the adjustment of the pressure of the overflow valve control crushing system through the integral improvement, so that the whole system can adjust and adjust the crushing pressure according to different working conditions, perfect matching of the pressure and the working conditions is realized, perfect use and production efficiency of power are ensured, and different working condition modes are set through programs, so that the pressure and the power are perfectly matched with the working conditions, and the aims of high efficiency and energy saving are achieved.
Description
Technical Field
The invention relates to the technical field of excavators, in particular to an intelligent control system and method for the crushing working condition of an excavator.
Background
An excavator, also known as a digger, is an earth moving machine that excavates material above or below a load bearing surface with a bucket and loads it into a transport vehicle or unloads it to a stockyard. The excavator consists of a power device, a working device, a swing mechanism, a control mechanism, a transmission mechanism, a traveling mechanism and the like, and is mainly used for excavating materials such as soil, coal, silt and the like. The three most important parameters are the operating weight, the engine power and the bucket capacity. The excavator is composed of a working device, an upper rotary table and a travelling mechanism from the appearance. According to their construction and use, one can distinguish: caterpillar, tyre, walking, full hydraulic, semi-hydraulic, full rotation, non-full rotation, universal, special, hinged, telescopic, etc. The working device is a device for directly completing the excavation task. The bucket is formed by hinging a movable arm, a bucket rod, a bucket and the like. The lifting of the movable arm, the expansion and contraction of the bucket rod and the rotation of the bucket are controlled by a reciprocating double-acting hydraulic cylinder. The rotary and walking device is a body of the hydraulic excavator, and the upper part of the rotary table is provided with a power device and a transmission system. The engine is the power source of the excavator, and most diesel oil is adopted in a convenient place and can be changed into a motor. The transmission mechanism transmits the power of the engine to actuating elements such as a hydraulic motor and a hydraulic cylinder through the hydraulic pump to push the working device to act, so that various operations are completed.
At present, when an excavator is assembled with a breaking hammer, the pressure of a breaking system is controlled through an overflow valve with a fixed pressure value and cannot be adjusted, the breaking pressure cannot be adjusted according to different operation working conditions (such as stone, shale and asphalt pavement), the pressure cannot be perfectly matched with the working conditions, and power waste or low production efficiency is caused.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when a breaking hammer is assembled in the existing excavator, the pressure of a breaking system is controlled through an overflow valve with a fixed pressure value and cannot be adjusted, and the breaking pressure cannot be adjusted according to different working conditions (such as stone, shale and asphalt pavement), so that the pressure cannot be perfectly matched with the working conditions, and the power is wasted or the production efficiency is low.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent control method for the crushing working condition of an excavator comprises the following steps:
collecting working condition information, and processing the working condition information to obtain working condition parameters;
calculating and setting a power parameter according to the obtained working condition parameter;
matching pressure parameters of the proportional overflow valve according to the set power;
after parameter setting is finished, working condition crushing is carried out, and the flow of a main pump is detected to obtain output flow parameters of the main pump;
calculating output power according to the pressure parameter of the electric proportional overflow valve and the output flow parameter of the main pump;
comparing the output power with the set power, and judging whether the output power meets the standard;
and adjusting the output flow of the main pump according to the judgment result.
Preferably, the method includes collecting the working condition information, processing the working condition information to obtain working condition parameters, and the step of collecting the working condition information includes:
acquiring ground surface components and areas needing to be crushed;
calculating the crushing depth of each time according to the earth surface components and the area;
and calculating the total crushing time according to the total crushing depth.
Preferably, a power parameter is calculated and set according to the obtained working condition parameter, and the step of setting the power parameter is as follows:
acquiring working condition information;
calculating the type of the working condition load according to the working condition information;
and setting power parameters according to the type of the working condition load.
Preferably, after parameter setting is completed, working condition crushing is performed, the flow of the main pump is detected, and output flow parameters of the main pump are obtained, wherein the output flow parameters of the main pump are calculated by the following steps:
acquiring the mass of a material passing through a certain section in unit time;
obtaining the density of the material;
and calculating by using a formula according to the obtained mass and density of the material to obtain the volume flow of the material passing through the section in unit time.
Preferably, the output power is calculated according to the pressure parameter of the electric proportional relief valve and the output flow parameter of the main pump, and the calculating steps are as follows:
acquiring pressure parameters of an electric proportional relief valve;
acquiring output flow parameters of a main pump;
and calculating by using a formula according to the acquired parameter data to obtain the output power.
Preferably, the output flow of the main pump is adjusted according to the judgment result, and when the judgment result does not reach the standard, the output flow of the main pump is adjusted;
and when the judgment result reaches the standard, the output flow of the main pump is not regulated.
An excavator crushing operating mode intelligent control system comprises:
the information acquisition module: the system comprises a monitoring module, a data processing module and a data processing module, wherein the monitoring module is used for acquiring working condition information and processing the working condition information to obtain working condition parameters;
a power parameter setting module: the power control device is used for calculating and setting a power parameter according to the obtained working condition parameter;
overflow valve pressure matching module: the system is used for matching pressure parameters of the proportional relief valve according to set power;
crushing and main pump flow detection module: the system is used for crushing the working condition after the parameter setting is finished, and detecting the flow of the main pump to obtain the output flow parameter of the main pump;
an output power calculation module: the power control system is used for calculating output power according to the pressure parameter of the electric proportional overflow valve and the output flow parameter of the main pump;
a power judgment module: the power control circuit is used for comparing the output power with the set power and judging whether the output power meets the standard or not;
the output flow of the main pump regulates and controls the module: and the main pump is used for adjusting the output flow of the main pump according to the judgment result.
Preferably, the output power calculation module includes:
a pressure parameter acquisition unit: the pressure parameter acquisition module is used for acquiring the pressure parameter of the electric proportional relief valve;
a flow parameter acquisition unit: the system is used for acquiring output flow parameters of the main pump;
an output power calculation unit: and the power control unit is used for calculating to obtain the output power by using a formula according to the acquired parameter data.
Compared with the prior art, the invention has the beneficial effects that:
the invention can realize the adjustment of the pressure of the overflow valve control crushing system through the integral improvement, so that the whole system can adjust and adjust the crushing pressure according to different working conditions, perfect matching of the pressure and the working conditions is realized, perfect use and production efficiency of power are ensured, and different working condition modes are set through programs, so that the pressure and the power are perfectly matched with the working conditions, and the aims of high efficiency and energy saving are achieved.
Drawings
FIG. 1 is a schematic overall flow chart of an intelligent control method for the crushing condition of an excavator, which is provided by the invention;
FIG. 2 is a schematic flow chart of steps for collecting working condition information in the intelligent control method for the crushing working condition of the excavator according to the present invention;
FIG. 3 is a schematic flow chart of steps for setting power parameters of an intelligent control method for the crushing condition of an excavator according to the present invention;
FIG. 4 is a schematic flow chart of the steps of calculating the output flow parameters of the main pump in the intelligent control method for the crushing condition of the excavator according to the present invention;
FIG. 5 is a schematic flow chart of the output power calculation steps of the intelligent control method for the crushing condition of the excavator according to the present invention;
FIG. 6 is a schematic diagram showing a relationship between output power flow and pressure according to an intelligent control method for a crushing condition of an excavator provided by the invention;
fig. 7 is a schematic structural diagram of an intelligent computer device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an intelligent control method for the crushing condition of an excavator comprises the following steps:
s1: collecting working condition information, processing the working condition information to obtain working condition parameters, wherein the step of collecting the working condition information comprises the following steps:
s101: acquiring ground surface components and areas needing to be crushed;
s102: calculating the crushing depth of each time according to the earth surface components and the area;
s103: calculating the total crushing time according to the total crushing depth;
s2: calculating and setting a power parameter according to the obtained working condition parameter, wherein the step of setting the power parameter is as follows:
s201: acquiring working condition information;
s202: calculating the type of the working condition load according to the working condition information;
s203: setting power parameters according to the load type of the working condition;
s3: matching pressure parameters of the proportional overflow valve according to the set power;
s4: carrying out working condition crushing after parameter setting is finished, detecting the flow of a main pump to obtain output flow parameters of the main pump, wherein the output flow parameters of the main pump are calculated by the following steps:
s401: acquiring the mass of a material passing through a certain section in unit time;
s402: obtaining the density of the material;
s403: and calculating the volume flow of the material passing through the section in unit time by using a formula according to the obtained mass and density of the material, wherein the formula is as follows: q is M/rho
Wherein M is the mass of the material passing through a certain section in unit time; rho is the density of the material; q is a material volume flow parameter passing through the section in unit time;
s5: calculating output power according to the pressure parameter of the electric proportional overflow valve and the output flow parameter of the main pump, wherein the calculating steps are as follows:
s501: acquiring pressure parameters of an electric proportional relief valve;
s502: acquiring output flow parameters of a main pump;
s503: according to the acquired parameter data, calculating by using a formula to obtain output power, wherein the formula is as follows: wOutput of＝P*Q/600
In the formula, WOutput ofIs the output power; p is an electric proportional relief valve pressure parameter; q is a main pump output flow parameter;
s6: comparing the output power with the set power, and judging whether the output power meets the standard;
s7: adjusting the output flow of the main pump according to the judgment result, and adjusting the output flow of the main pump when the judgment result does not reach the standard; and when the judgment result reaches the standard, the output flow of the main pump is not regulated.
Example 1: when the output power reaches the set power standard:
s1: collecting working condition information, processing the working condition information to obtain working condition parameters, wherein the step of collecting the working condition information comprises the following steps:
s101: acquiring ground surface components and areas needing to be crushed;
s102: calculating the crushing depth of each time according to the earth surface components and the area;
s103: calculating the total crushing time according to the total crushing depth;
s2: calculating and setting a power parameter according to the obtained working condition parameter, wherein the step of setting the power parameter is as follows:
s201: acquiring working condition information;
s202: calculating the type of the working condition load according to the working condition information;
s203: setting power parameters according to the load type of the working condition;
s3: matching pressure parameters of the proportional overflow valve according to the set power;
s4: carrying out working condition crushing after parameter setting is finished, detecting the flow of a main pump to obtain output flow parameters of the main pump, wherein the output flow parameters of the main pump are calculated by the following steps:
s401: acquiring the mass of a material passing through a certain section in unit time;
s402: obtaining the density of the material;
s403: and calculating the volume flow of the material passing through the section in unit time by using a formula according to the obtained mass and density of the material, wherein the formula is as follows: q is M/rho
Wherein M is the mass of the material passing through a certain section in unit time; rho is the density of the material; q is a material volume flow parameter passing through the section in unit time;
s5: calculating output power according to the pressure parameter of the electric proportional overflow valve and the output flow parameter of the main pump, wherein the calculating steps are as follows:
s501: acquiring pressure parameters of an electric proportional relief valve;
s502: acquiring output flow parameters of a main pump;
s503: according to the acquired parameter data, calculating by using a formula to obtain output power, wherein the formula is as follows: wOutput of＝P*Q/600
In the formula, WOutput ofIs the output power; p is an electric proportional relief valve pressure parameter; q is a main pump output flow parameter;
s6: comparing the output power with the set power, and judging whether the output power meets the standard;
s7: and adjusting the output flow of the main pump according to the judgment result, and not adjusting the output flow of the main pump when the judgment result reaches the standard.
Real-time example 2: when the output power does not reach the set power standard:
s1: collecting working condition information, processing the working condition information to obtain working condition parameters, wherein the step of collecting the working condition information comprises the following steps:
s101: acquiring ground surface components and areas needing to be crushed;
s102: calculating the crushing depth of each time according to the earth surface components and the area;
s103: calculating the total crushing time according to the total crushing depth;
s2: calculating and setting a power parameter according to the obtained working condition parameter, wherein the step of setting the power parameter is as follows:
s201: acquiring working condition information;
s202: calculating the type of the working condition load according to the working condition information;
s203: setting power parameters according to the load type of the working condition;
s3: matching pressure parameters of the proportional overflow valve according to the set power;
s4: carrying out working condition crushing after parameter setting is finished, detecting the flow of a main pump to obtain output flow parameters of the main pump, wherein the output flow parameters of the main pump are calculated by the following steps:
s401: acquiring the mass of a material passing through a certain section in unit time;
s402: obtaining the density of the material;
s403: and calculating the volume flow of the material passing through the section in unit time by using a formula according to the obtained mass and density of the material, wherein the formula is as follows: q is M/rho
Wherein M is the mass of the material passing through a certain section in unit time; rho is the density of the material; q is a material volume flow parameter passing through the section in unit time;
s5: calculating output power according to the pressure parameter of the electric proportional overflow valve and the output flow parameter of the main pump, wherein the calculating steps are as follows:
s501: acquiring pressure parameters of an electric proportional relief valve;
s502: acquiring output flow parameters of a main pump;
s503: according to the acquired parameter data, calculating by using a formula to obtain output power, wherein the formula is as follows: wOutput of＝P*Q/600
In the formula, WOutput ofIs the output power; p is an electric proportional relief valve pressure parameter; q is a main pump output flow parameter;
s6: comparing the output power with the set power, and judging whether the output power meets the standard;
s7: and (4) adjusting the output flow of the main pump according to the judgment result, adjusting the output flow of the main pump and the output flow of the main pump when the judgment result does not reach the standard, repeating the step (4), and calculating again until the standard is reached.
An excavator crushing operating mode intelligent control system comprises:
the information acquisition module: the method is used for acquiring the working condition information and processing the working condition information to obtain working condition parameters, and comprises the following steps: acquiring ground surface components and areas needing to be crushed; calculating the crushing depth of each time according to the earth surface components and the area; calculating the total crushing time according to the total crushing depth;
a power parameter setting module: the method is used for calculating and setting power parameters according to the obtained working condition parameters, and the step of setting the power parameters is as follows: acquiring working condition information; calculating the type of the working condition load according to the working condition information; setting power parameters according to the load type of the working condition;
overflow valve pressure matching module: the system is used for matching pressure parameters of the proportional relief valve according to set power;
crushing and main pump flow detection module: the method is used for carrying out working condition crushing after parameter setting is finished and detecting the flow of a main pump to obtain the output flow parameter of the main pump, and the calculation steps of the output flow parameter of the main pump are as follows: acquiring the mass of a material passing through a certain section in unit time; obtaining the density of the material; and calculating the volume flow of the material passing through the section in unit time by using a formula according to the obtained mass and density of the material, wherein the formula is as follows: q is M/rho
Wherein M is the mass of the material passing through a certain section in unit time; rho is the density of the material; q is a material volume flow parameter passing through the section in unit time;
an output power calculation module: the power control system is used for calculating output power according to the pressure parameter of the electric proportional overflow valve and the output flow parameter of the main pump;
a power judgment module: the power control circuit is used for comparing the output power with the set power and judging whether the output power meets the standard or not;
the output flow of the main pump regulates and controls the module: the main pump is used for adjusting the output flow of the main pump according to the judgment result, and when the judgment result does not reach the standard, the output flow of the main pump is adjusted; and when the judgment result reaches the standard, the output flow of the main pump is not regulated.
Wherein, the output power calculation module includes:
a pressure parameter acquisition unit: the pressure parameter acquisition module is used for acquiring the pressure parameter of the electric proportional relief valve;
a flow parameter acquisition unit: the system is used for acquiring output flow parameters of the main pump;
an output power calculation unit: the method is used for calculating and obtaining the output power by using a formula according to the acquired parameter data, wherein the formula is as follows: wOutput of＝P*Q/600
In the formula, WOutput ofIs the output power; p is an electric proportional relief valve pressure parameter; and Q is a main pump output flow parameter.
The intelligent computer equipment comprises a memory and a processor, wherein computer readable instructions are stored in the memory, and the processor executes the computer readable instructions to realize the steps of the intelligent control method such as the crushing working condition of the excavator;
the intelligent computer equipment comprises a memory, a processor and a network interface which are mutually connected through a system bus in a communication way. It should be noted that only a smart computer device having components is shown in FIG. 7, but it should be understood that not all of the illustrated components are required to be implemented, and that more or fewer components may alternatively be implemented. As will be understood by those skilled in the art, the intelligent computer device is a device capable of automatically performing numerical calculation and/or information processing according to instructions set or stored in advance, and the hardware includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a programmable gate array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like.
The intelligent computer equipment can be computing equipment such as a desktop computer, a notebook computer, a palm computer and a cloud server. The intelligent computer equipment can carry out man-machine interaction with a user through a keyboard, a mouse, a remote controller, a touch panel or voice control equipment and the like.
The memory includes at least one type of readable storage medium including a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a Programmable Read Only Memory (PROM), a magnetic memory, a magnetic disk, an optical disk, etc. In some embodiments, the storage may be an internal storage unit of the intelligent computer device, such as a hard disk or a memory of the intelligent computer device. In other embodiments, the memory may also be an external storage device of the smart computer device, such as a plug-in hard disk equipped on the smart computer device, a Smart Media Card (SMC), a Secure Digital (SD) card, a flash card (FlashCard), and the like. Of course, the memory may also include both the internal storage unit and the external storage device of the smart computer device. In this embodiment, the memory is generally used to store an operating system and various types of application software installed in the intelligent computer device, for example, computer readable instructions of the intelligent control method for the crushing condition of the excavator, and the like. In addition, the memory may also be used to temporarily store various types of data that have been output or are to be output.
The processor may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data processing chip in some embodiments. The processor is typically used to control the overall operation of the intelligent computer device. In this embodiment, the processor is configured to execute the computer readable instructions stored in the memory or process data, for example, execute the computer readable instructions of the intelligent control method for the crushing condition of the excavator.
The network interface may include a wireless network interface or a wired network interface, which is typically used to establish a communication connection between the intelligent computer device and other electronic devices.
A computer readable storage medium having computer readable instructions stored thereon which, when executed by a processor, implement, for example, the steps of a method for intelligent control of a crushing condition of an excavator.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. An intelligent control method for the crushing working condition of an excavator is characterized by comprising the following steps:
collecting working condition information, and processing the working condition information to obtain working condition parameters;
calculating and setting a power parameter according to the obtained working condition parameter;
matching pressure parameters of the proportional overflow valve according to the set power;
after parameter setting is finished, working condition crushing is carried out, and the flow of a main pump is detected to obtain output flow parameters of the main pump;
calculating output power according to the pressure parameter of the electric proportional overflow valve and the output flow parameter of the main pump;
comparing the output power with the set power, and judging whether the output power meets the standard;
and adjusting the output flow of the main pump according to the judgment result.
2. The intelligent control method for the crushing working condition of the excavator according to claim 1, wherein working condition information is collected and processed to obtain working condition parameters, and the step of collecting the working condition information is as follows:
acquiring ground surface components and areas needing to be crushed;
calculating the crushing depth of each time according to the earth surface components and the area;
and calculating the total crushing time according to the total crushing depth.
3. The intelligent control method for the crushing working condition of the excavator according to claim 1, wherein a power parameter is calculated and set according to the obtained working condition parameter, and the step of setting the power parameter is as follows:
acquiring working condition information;
calculating the type of the working condition load according to the working condition information;
and setting power parameters according to the type of the working condition load.
4. The intelligent control method for the crushing working condition of the excavator according to claim 1, wherein working condition crushing is performed after parameter setting is completed, the flow of a main pump is detected to obtain an output flow parameter of the main pump, and the output flow parameter of the main pump is calculated by the following steps:
acquiring the mass of a material passing through a certain section in unit time;
obtaining the density of the material;
and calculating by using a formula according to the obtained mass and density of the material to obtain the volume flow of the material passing through the section in unit time.
5. The intelligent control method for the crushing working condition of the excavator according to claim 1, wherein the output power is calculated according to the pressure parameter of the electric proportional overflow valve and the output flow parameter of the main pump, and the calculation steps are as follows:
acquiring pressure parameters of an electric proportional relief valve;
acquiring output flow parameters of a main pump;
and calculating by using a formula according to the acquired parameter data to obtain the output power.
6. The intelligent control method for the crushing working condition of the excavator as claimed in claim 1, wherein the output flow of the main pump is adjusted according to the judgment result, and when the judgment result does not reach the standard, the output flow of the main pump is adjusted;
and when the judgment result reaches the standard, the output flow of the main pump is not regulated.
7. The utility model provides an excavator broken operating mode intelligence control system which characterized in that includes:
the information acquisition module: the system comprises a monitoring module, a data processing module and a data processing module, wherein the monitoring module is used for acquiring working condition information and processing the working condition information to obtain working condition parameters;
a power parameter setting module: the power control device is used for calculating and setting a power parameter according to the obtained working condition parameter;
overflow valve pressure matching module: the system is used for matching pressure parameters of the proportional relief valve according to set power;
crushing and main pump flow detection module: the system is used for crushing the working condition after the parameter setting is finished, and detecting the flow of the main pump to obtain the output flow parameter of the main pump;
an output power calculation module: the power control system is used for calculating output power according to the pressure parameter of the electric proportional overflow valve and the output flow parameter of the main pump;
a power judgment module: the power control circuit is used for comparing the output power with the set power and judging whether the output power meets the standard or not;
the output flow of the main pump regulates and controls the module: and the main pump is used for adjusting the output flow of the main pump according to the judgment result.
8. The intelligent control system for the crushing condition of the excavator as claimed in claim 7, wherein the output power calculation module comprises:
a pressure parameter acquisition unit: the pressure parameter acquisition module is used for acquiring the pressure parameter of the electric proportional relief valve;
a flow parameter acquisition unit: the system is used for acquiring output flow parameters of the main pump;
an output power calculation unit: and the power control unit is used for calculating to obtain the output power by using a formula according to the acquired parameter data.
9. An intelligent computer device, characterized by comprising a memory and a processor, wherein the memory stores computer readable instructions, and the processor executes the computer readable instructions to realize the steps of the intelligent control method for the crushing condition of the excavator according to any one of claims 1 to 6.
10. A computer readable storage medium having computer readable instructions stored thereon which, when executed by a processor, implement the steps of the intelligent control method for the crushing condition of an excavator according to any one of claims 1 to 6.
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