CN113970008B - Automatic control method and system for multi-way valve for hydraulic excavator - Google Patents
Automatic control method and system for multi-way valve for hydraulic excavator Download PDFInfo
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- CN113970008B CN113970008B CN202111206202.8A CN202111206202A CN113970008B CN 113970008 B CN113970008 B CN 113970008B CN 202111206202 A CN202111206202 A CN 202111206202A CN 113970008 B CN113970008 B CN 113970008B
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004590 computer program Methods 0.000 claims description 6
- 238000002789 length control Methods 0.000 claims description 5
- 238000013507 mapping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000011089 mechanical engineering Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The application relates to a hydraulic excavator multi-way valve automatic control method and system, relates to the technical field of multi-way reversing valves, and comprises the following steps: responding to a control request, wherein the control request carries a control instruction for requesting an electric controller to work, and the electric controller is used for driving a valve core to move; according to the control instruction, control information is obtained, wherein the control information comprises control parameters such as a valve core moving direction, a valve core moving stroke, a valve core moving speed and the like; generating execution information according to the control information, wherein the execution information comprises execution parameters such as electric controller steering, electric controller working time length, electric controller rotating speed and the like; and controlling the electric controller to work according to the execution parameters according to the execution information. The feedback speed of control valve is accelerated to this application, improves work efficiency's effect.
Description
Technical Field
The application relates to the technical field of multi-way reversing valves, in particular to an automatic control method and an automatic control system for a multi-way valve for a hydraulic excavator.
Background
The multi-way reversing valve is a valve which combines more than two valve blocks together, changes the on-off relation of an oil duct connected to a valve body by means of the relative movement between a valve core and the valve body, and is used for controlling the movement of a plurality of executing elements. The hydraulic system can combine the safety valve, the overload valve, the oil supplementing valve, the flow dividing valve, the brake valve, the one-way valve and the like together according to the requirements of different hydraulic systems, so that the hydraulic system has compact structure, simple pipeline, small pressure loss and simple installation, and is widely applied to engineering machinery, hoisting and transportation machinery and other walking machinery requiring the operation of a plurality of execution elements.
The related art can refer to the Chinese patent application publication number CN103452937A, which discloses a multi-way hydraulic control valve, comprising a valve body, wherein a reversing valve group and a switching valve group are arranged in the valve body, the reversing valve group is connected with the switching valve group through a first connecting oil duct and a second connecting oil duct, a reversing valve core in the reversing valve group acts to enable the first connecting oil duct and the second connecting oil duct to be respectively switched and connected between an oil inlet and a respective oil discharge port, a plurality of groups of oil cylinder connectors are arranged on the switching valve group, and a switching valve core for switching the oil cylinder connectors communicated with the first connecting oil duct and the second connecting oil duct is arranged on the switching valve group. When no operation signal is received, the valve is closed pneumatically, and the return spring of the valve is reset to the middle position.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: in the working process of mechanical engineering such as an excavator, compressed gas is used as an operating force, so that the feedback speed of a control valve is generally low, and the action response of actual work is also slow, thereby reducing the working efficiency of the mechanical engineering.
Disclosure of Invention
In order to accelerate the feedback speed of a control valve and improve the working efficiency, the application provides an automatic control method and an automatic control system for a multi-way valve for a hydraulic excavator.
In a first aspect, the present application provides a method for automatically controlling a multiway valve for a hydraulic excavator, which adopts the following technical scheme:
an automatic control method of a multi-way valve for a hydraulic excavator, comprising the following steps:
responding to a control request, wherein the control request carries a control instruction for requesting an electric controller to work, and the electric controller is used for driving a valve core to move;
according to the control instruction, control information is obtained, wherein the control information comprises control parameters such as a valve core moving direction, a valve core moving stroke, a valve core moving speed and the like;
generating execution information according to the control information, wherein the execution information comprises execution parameters such as electric controller steering, electric controller working time length, electric controller rotating speed and the like;
and controlling the electric controller to work according to the execution parameters according to the execution information.
By adopting the technical scheme, after the control program responds to the control request input by the user, the electric controller is started to enter the standby state, meanwhile, the control program can be converted into the execution parameter according to the control parameter input by the user by utilizing the acquisition of the control information and the generation of the execution information, and then the electric controller is controlled to drive the valve core to move according to the execution parameter, and the feedback speed between the electric controller and the control program is faster, so that the feedback speed of the control valve can be accelerated, and the working efficiency is improved.
Optionally, the generating the execution information according to the control information includes:
setting a direction key, wherein the direction key is matched with the moving direction of the valve core;
responding to a moving direction signal, wherein the moving direction signal is input by a user through a direction key;
and forming a steering control instruction according to the movement direction signal, wherein the steering control instruction is used for controlling the steering of the electric controller.
Through adopting above-mentioned technical scheme, utilize the direction key, the user can more convenient, directly input direction of movement signal to control electric controller turns to, thereby promoted the input convenience of the control parameter of case direction of movement, make electric controller work's feedback speed further promote.
Optionally, the generating the execution information according to the control information includes:
setting a travel key, wherein the travel key is matched with the movement travel of the valve core;
responding to a moving journey signal, wherein the moving journey signal is input by a user through a journey key;
and forming a time length control instruction according to the movement travel signal, wherein the time length control instruction is used for controlling the working time length of the electric controller.
Through adopting above-mentioned technical scheme, utilize the stroke key, the user can more convenient, directly input remove formation signal to control electric controller's operating duration, thereby promoted the input convenience of the control parameter of case travel distance, make electric controller's feedback speed of work further promote.
Optionally, the generating the execution information according to the control information includes:
setting a speed key, wherein the speed key is matched with the moving speed of the valve core;
responding to a moving speed signal, wherein the moving speed signal is input by a user through a speed key;
and forming a rotating speed control instruction according to the moving speed signal, wherein the rotating speed control instruction is used for controlling the rotating speed of the electric controller.
Through adopting above-mentioned technical scheme, utilize the speed key, the user can more convenient, directly input the removal speed signal to control electric controller's rotational speed, thereby promoted the input convenience of the control parameter of case removal speed, make electric controller's feedback speed of work further promote.
Optionally, before the controlling the electric controller to work according to the execution parameters according to the execution information, the method includes:
retrieving process information, wherein the process information comprises a process table of the working sequence of each execution parameter preset by a user;
judging whether the forming sequence of each control instruction is consistent with the process table according to the mapping relation between the execution parameters and the control instructions;
if yes, executing the operation of controlling the electric controller according to the execution parameters according to the execution information;
if not, forming calibration information and feeding back.
By adopting the technical scheme, before the control program controls the electric controller to work according to the execution parameters, the sequence formed by the control instructions can be compared according to the process table, so that the sequence of inputting the control parameters by a user is standardized, and the situation that the user omits and skips the input of a certain control parameter to cause the movement error of the driving valve core of the electric controller is prevented.
Optionally, after controlling the electric controller to work according to the execution parameters according to the execution information, the method includes:
a control template is called, and the control template is preset and generated by a user;
recording each execution parameter and the process list into a control template according to the execution information to form a control mode;
storing the control mode to a mode library;
and setting a mode key, wherein the mode key is matched with the control mode in the mode library.
By adopting the technical scheme, the control program forms a control mode according to the execution parameters corresponding to each operation of the electric controller, and the control mode is stored in a mode library; meanwhile, by matching the mode key with the control mode, a user can acquire the control mode through one key of the mode key, so that execution parameters are quickly formed and the electric controller is controlled to work, and the convenience of user input is greatly improved.
Optionally, after generating the execution information according to the control information, the method includes:
and displaying each control parameter and each execution parameter to the display terminal according to the control information and the execution information.
By adopting the technical scheme, the control program displays all control parameters and all execution parameters to the display terminal, so that a user can grasp the working process in real time through the display terminal, and the monitoring and error correction are effectively carried out.
In a second aspect, the present application provides an automatic control system for a multiway valve for a hydraulic excavator, which adopts the following technical scheme:
an automatic control system for a multi-way valve for a hydraulic excavator, comprising:
the control request response module is used for responding to a control request, wherein the control request carries a control instruction for requesting an electric controller to work, and the electric controller is used for driving the valve core to move;
the control information acquisition module is used for acquiring control information according to a control instruction, wherein the control information comprises control parameters such as a valve core moving direction, a valve core moving stroke, a valve core moving speed and the like;
the execution information generation module is used for generating execution information according to the control information, wherein the execution information comprises execution parameters such as electric controller steering, electric controller working time, electric controller rotating speed and the like;
and the control module is used for controlling the electric controller to work according to the execution parameters according to the execution information.
By adopting the technical scheme, after the control program responds to the control request input by the user, the electric controller is started to enter the standby state, meanwhile, the control program can be converted into the execution parameter according to the control parameter input by the user by utilizing the acquisition of the control information and the generation of the execution information, and then the electric controller is controlled to drive the valve core to move according to the execution parameter, and the feedback speed between the electric controller and the control program is faster, so that the feedback speed of the control valve can be accelerated, and the working efficiency is improved.
In a third aspect, the present application provides an automatic control device for a multiway valve of a hydraulic excavator, which adopts the following technical scheme:
an automatic control device for a multi-way valve of a hydraulic excavator comprises a memory and a processor, wherein the memory stores a computer program which can be loaded by the processor and execute any one of the methods.
By adopting the technical scheme, after the control program responds to the control request input by the user, the electric controller is started to enter the standby state, meanwhile, the control program can be converted into the execution parameter according to the control parameter input by the user by utilizing the acquisition of the control information and the generation of the execution information, and then the electric controller is controlled to drive the valve core to move according to the execution parameter, and the feedback speed between the electric controller and the control program is faster, so that the feedback speed of the control valve can be accelerated, and the working efficiency is improved.
In a fourth aspect, the present application provides a computer readable storage medium, which adopts the following technical scheme:
a computer readable storage medium storing a computer program capable of being loaded by a processor and executing any one of the methods described above.
By adopting the technical scheme, after the control program responds to the control request input by the user, the electric controller is started to enter the standby state, meanwhile, the control program can be converted into the execution parameter according to the control parameter input by the user by utilizing the acquisition of the control information and the generation of the execution information, and then the electric controller is controlled to drive the valve core to move according to the execution parameter, and the feedback speed between the electric controller and the control program is faster, so that the feedback speed of the control valve can be accelerated, and the working efficiency is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
after the control program responds to a control request input by a user, the electric controller is started to enter a standby state, meanwhile, control information is acquired and execution information is generated, the control program can be converted into execution parameters according to control parameters input by the user, and then the electric controller is controlled to drive the valve core to move according to the execution parameters, and the feedback speed between the electric controller and the control program is higher, so that the feedback speed of the control valve can be increased, and the working efficiency is improved;
before the control program controls the electric controller to work according to the execution parameters, the control program can compare the sequence formed by the control instructions according to the process table, so that the sequence of inputting the control parameters by a user is standardized, and the situation that the user omits and skips the input of a certain control parameter to cause the movement error of a driving valve core of the electric controller is prevented;
the control program forms a control mode according to the execution parameters corresponding to each work of the electric controller, and stores the control mode into a mode library; meanwhile, by matching the mode key with the control mode, a user can acquire the control mode through one key of the mode key, so that execution parameters are quickly formed and the electric controller is controlled to work, and the convenience of user input is greatly improved.
Drawings
Fig. 1 is a flowchart of steps of a control method in an embodiment of the present application.
Fig. 2 is a flowchart of a control instruction forming step in the embodiment of the present application.
Fig. 3 is a flowchart of a control pattern forming step in the embodiment of the present application.
Fig. 4 is a block diagram of a control system in an embodiment of the present application.
Reference numerals illustrate:
1. a control request response module; 2. a control information acquisition module; 3. an execution information generation module; 4. and a control module.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses an automatic control method of a multi-way valve for a hydraulic excavator. Referring to fig. 1, the automatic control method of the multi-way valve for the hydraulic excavator includes:
s1, responding to a control request.
The control request carries a control instruction for requesting the electric controller to work, the control request is sent by a user through a start key, and the start key is arranged on a workbench of the cab of the excavator and is electrically connected with a signal converter of the workbench. When the user presses the start key, a control request can be sent to the central processing unit through the signal converter. The central processor is connected with the electric controller, and after the central processor responds to the control request, the electric controller can be controlled to start and enter a standby state.
Specifically, the electric controller is used for driving the valve core to move, and the electric controller comprises a servo motor, a base of the servo motor is connected with a machine body bolt of the excavator, an output shaft of the servo motor is connected with a transmission screw group, an output shaft of the servo motor is fixedly connected with an input end of the transmission screw group in a coaxial mode, an output end of the transmission screw group is fixedly connected with the valve core in a coaxial mode, and the movement of the valve core can be driven by rotation of the servo motor.
S2, acquiring control information according to the control instruction.
The control information comprises control parameters such as valve core moving direction, valve core moving stroke, valve core moving speed and the like.
Specifically, taking a three-position five-way control valve as an example, at this time, the valve core has three working positions A, B, C, the moving directions of the valve core are A- & gt B, B- & gt C, C- & gt B and B- & gt A, and the moving strokes of the valve core are AB, BC and the like corresponding to the moving directions of the valve core, and different mechanical actions can be realized through the conversion of different working positions and different working positions of the valve core.
S3, generating execution information according to the control information.
The execution information comprises execution parameters such as electric controller steering, electric controller working time, electric controller rotating speed and the like.
Specifically, the control parameters are selected and input by a user according to the field working condition, and the control parameters are converted into execution parameters so as to control the electric controller to realize corresponding work. For example, the servo motor rotates forward, the control spool moves from the A-B direction or from the B-C direction, and the servo motor rotates backward, and the control spool moves from the C-B direction or from the B-A direction. For another example, the servo motor rotates forward for 1S, and the control valve core moves from a to B or from B to C.
Referring to fig. 2, further, S3 includes the sub-steps of:
s3.1, setting a direction key.
The direction key is matched with the moving direction of the valve core, comprises an advancing key and a retreating key, is arranged on a workbench of the cab and is connected with the central processing unit.
S3.2, responding to the moving direction signal.
Wherein the movement direction signal is input by the user through the direction key. For example, the user may press the forward key to input the forward direction signal, and the user may press the backward key to input the backward direction signal.
And S3.3, forming a steering control instruction according to the moving direction signal.
The steering control instruction is used for controlling steering of the electric controller. For example, when a user inputs a forward direction signal, a forward control command can be formed to control the servo motor to forward, so that the valve core is driven to move from the direction of A to B, the convenience of inputting control parameters of the moving direction of the valve core is improved, and the feedback speed of the work of the electric controller is further improved.
S3.4, setting a travel key.
The travel key is matched with the movement travel of the valve core, comprises a one-way key and a two-way key, is arranged on a workbench of the cab, and is connected with the central processing unit.
S3.5, responding to the moving stroke signal.
Wherein the movement travel signal is input by the user through the travel key. For example, a single pass signal may be input by a user pressing a single pass key, and a double pass signal may be input by a user pressing a double pass key.
And S3.6, forming a duration control instruction according to the movement stroke signal.
The time length control instruction is used for controlling the working time length of the electric controller. For example, when a user inputs a single-way signal, a single-time control command can be formed to control the servo motor to rotate for 1S so as to drive the valve core to move for an AB stroke, and when a user inputs a double-way signal, a double-time control command can be formed to control the servo motor to rotate for 2S so as to drive the valve core to move for an AB+BC stroke.
S3.7, setting a speed key.
The speed key is matched with the moving speed of the valve core, comprises a single speed key and a double speed key, and is arranged on a workbench of the cab and connected with the central processing unit.
S3.8, responding to the moving speed signal.
Wherein the movement speed signal is input by the user through a speed key. For example, a single-speed signal may be input by a user pressing a single-speed key, and a double-speed signal may be input by a user pressing a double-speed key.
S3.9, forming a rotating speed control instruction according to the moving speed signal.
The rotating speed control instruction is used for controlling the rotating speed of the electric controller. For example, when a user inputs a single-speed signal, a single-speed control instruction can be formed to control the servo motor to rotate at a single speed so as to drive the valve core to move at a single speed, and when a user inputs a double-speed signal, a double-speed control instruction can be formed to control the servo motor to rotate at a double speed so as to drive the valve core to move at a double speed.
And S4, displaying each control parameter and each execution parameter to the display terminal according to the control information and the execution information.
The display terminal comprises a display screen, and the display screen is arranged on a workbench in the cab. And each control parameter and each execution parameter are displayed on the display screen, so that a user can grasp the working process in real time through the display screen, and the monitoring and error correction are effectively performed.
S5, process information is acquired.
The process information includes a process table in which a work order of each execution parameter is preset by a user. For example, when the user sets the working sequence to be the steering of the electric controller, the working time of the electric controller and the rotating speed of the electric controller, the sequence corresponding to the user inputting the control parameters is the valve core moving direction, the valve core moving stroke and the valve core moving speed in sequence.
Furthermore, when the control parameter is input, the user needs to set the valve core moving direction first, then can continue to set the valve core moving stroke, and finally sets the valve core moving speed. Before the control program controls the electric controller to work according to the execution parameters, the control program can compare the sequence formed by the control instructions according to the working procedure list, and further, the sequence of inputting the control parameters by a user is standardized.
S6, judging whether the forming sequence of each control instruction is consistent with the process list according to the mapping relation between the execution parameters and the control instructions;
if yes, jumping to S8;
if not, the process goes to S7.
S7, forming and feeding back calibration information.
The calibration information comprises the sequence of control instructions formed by inconsistent process schedules, and the calibration information is fed back to the display screen. The user checks the calibration information by using the display screen and checks whether the inconsistent sequence is correct, so as to prevent the user from missing and skipping the input of a certain control parameter and further cause the movement error of the driving valve core of the electric controller.
And S8, controlling the electric controller to work according to the execution parameters according to the execution information.
S9, calling the control template.
The control templates are preset and generated by a user, and the user presets a plurality of blank control templates through the input terminal, wherein the control templates comprise electric controller steering, electric controller working time length and electric controller rotating speed waiting for input execution parameters.
S10, according to the execution information, recording each execution parameter and the process list into a control template to form a control mode.
The control modes are different according to the execution parameters, and after the control modes are formed, the control mode 1, the control mode 2, the control mode 3 and the like are named.
S11, storing the control mode into a mode library.
S12, setting a mode key.
The mode keys are matched with control modes in the mode library, each mode key comprises a mode 1 key, a mode 2 key and a mode 3 key, all the mode keys are arranged on a workbench in a cab and are connected with a central controller, the mode 1 key is matched with the control mode 1, and the mode 2 key is matched with the control mode 2. By matching the mode key with the control mode, a user can acquire the control mode through one key of the mode key, so that execution parameters are quickly formed and the electric controller is controlled to work, and the convenience of user input is greatly improved.
The implementation principle of the automatic control method of the multiway valve for the hydraulic excavator is as follows: after the control program responds to a control request input by a user, the electric controller is started to enter a standby state, meanwhile, control information is acquired and execution information is generated, the control program can be converted into execution parameters according to control parameters input by the user, the electric controller is further controlled to drive the valve core to move according to the execution parameters, and the feedback speed between the electric controller and the control program is higher, so that the feedback speed of the control valve can be increased, and the working efficiency is improved.
Based on the method, the embodiment of the application also discloses an automatic control system of the multiway valve for the hydraulic excavator. Referring to fig. 2, the automatic control system for a multi-way valve for a hydraulic excavator includes:
the control request response module 1 is used for responding to a control request, wherein the control request carries a control instruction for requesting an electric controller to work, and the electric controller is used for driving the valve core to move;
the control information acquisition module 2 is used for acquiring control information according to a control instruction, wherein the control information comprises control parameters such as a valve core moving direction, a valve core moving stroke, a valve core moving speed and the like;
the execution information generation module 3 is used for generating execution information according to the control information, wherein the execution information comprises execution parameters such as electric controller steering, electric controller working time length, electric controller rotating speed and the like;
and the control module 4 is used for controlling the electric controller to work according to the execution parameters according to the execution information.
The implementation principle of the automatic control system of the multiway valve for the hydraulic excavator is as follows: after the control program responds to a control request input by a user, the electric controller is started to enter a standby state, meanwhile, control information is acquired and execution information is generated, the control program can be converted into execution parameters according to control parameters input by the user, the electric controller is further controlled to drive the valve core to move according to the execution parameters, and the feedback speed between the electric controller and the control program is higher, so that the feedback speed of the control valve can be increased, and the working efficiency is improved.
The embodiment of the application also discloses an automatic control device of the multi-way valve for the hydraulic excavator, which comprises a memory and a processor, wherein the memory stores a computer program which can be loaded by the processor and execute the automatic control method of the multi-way valve for the hydraulic excavator.
The embodiment of the application also discloses a computer readable storage medium. A computer-readable storage medium stores therein a computer program that can be loaded by a processor and that executes the above-described hydraulic shovel multiway valve automatic control method, the computer-readable storage medium including, for example: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present invention or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, which also falls within the scope of the present invention.
Claims (4)
1. An automatic control method of a multi-way valve for a hydraulic excavator is characterized by comprising the following steps:
responding to a control request, wherein the control request carries a control instruction for requesting an electric controller to work, and the electric controller is used for driving a valve core to move;
according to the control instruction, obtaining control information, wherein the control information comprises control parameters of a valve core moving direction, a valve core moving stroke and a valve core moving speed;
generating execution information according to the control information, wherein the execution information comprises electric controller steering, electric controller working time length and electric controller rotating speed execution parameters;
according to the execution information, controlling the electric controller to work according to the execution parameters;
the generating the execution information according to the control information includes:
setting a direction key, wherein the direction key is matched with the moving direction of the valve core;
responding to a moving direction signal, wherein the moving direction signal is input by a user through a direction key;
forming a steering control instruction according to the movement direction signal, wherein the steering control instruction is used for controlling the steering of the electric controller;
the generating the execution information according to the control information includes:
setting a travel key, wherein the travel key is matched with the movement travel of the valve core;
responding to a moving journey signal, wherein the moving journey signal is input by a user through a journey key;
forming a time length control instruction according to the movement travel signal, wherein the time length control instruction is used for controlling the working time length of the electric controller;
the generating the execution information according to the control information includes:
setting a speed key, wherein the speed key is matched with the moving speed of the valve core;
responding to a moving speed signal, wherein the moving speed signal is input by a user through a speed key;
forming a rotating speed control instruction according to the moving speed signal, wherein the rotating speed control instruction is used for controlling the rotating speed of the electric controller;
before the electric controller is controlled to work according to the execution parameters according to the execution information, the method comprises the following steps:
retrieving process information, wherein the process information comprises a process table of the working sequence of each execution parameter preset by a user;
judging whether the forming sequence of each control instruction is consistent with the process table according to the mapping relation between the execution parameters and the control instructions;
if yes, executing the operation of controlling the electric controller according to the execution parameters according to the execution information;
if not, forming calibration information and feeding back;
and after controlling the electric controller to work according to the execution parameters according to the execution information, the method comprises the following steps:
a control template is called, and the control template is preset and generated by a user;
recording each execution parameter and the process list into a control template according to the execution information to form a control mode;
storing the control mode to a mode library;
and setting a mode key, wherein the mode key is matched with the control mode in the mode library.
2. The automatic control method of a multiway valve for a hydraulic excavator according to claim 1, wherein the generating of the execution information based on the control information comprises:
and displaying each control parameter and each execution parameter to the display terminal according to the control information and the execution information.
3. An automatic control device of a multi-way valve for a hydraulic excavator is characterized in that: comprising a memory and a processor, said memory having stored thereon a computer program capable of being loaded by the processor and performing the method according to any of claims 1 to 2.
4. A computer-readable storage medium, characterized by: a computer program being stored which can be loaded by a processor and which performs the method according to any one of claims 1 to 2.
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| CN113970008A (en) | 2022-01-25 |
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