CN-120777455-B - Intelligent oiling closed-loop control method and system for grease gun

CN120777455BCN 120777455 BCN120777455 BCN 120777455BCN-120777455-B

Abstract

The invention discloses an intelligent oiling closed-loop control method and system for a grease gun, belonging to the technical field of grease gun control, wherein the method comprises the following steps: the acquisition module acquires a current filling mode, and if the target filling amount is larger than the butter allowance of the oil storage barrel, the ideal filling time length is calculated based on the target filling amount and the selected filling mode; if the ideal filling time length is greater than or equal to the first threshold value, and the communication state of the communication module is a connection state, the mobile terminal generates a control strategy based on the environment temperature and sends the control strategy to the control module, wherein the control strategy comprises filling amount of each filling of the plunger pump, and the control module drives the filling module to fill butter based on the control strategy. The invention can generate a fine control strategy, dynamically adjust the filling parameters and ensure the accuracy of the filling quantity.

Inventors

Ying Yuanzhu
DING REN
REN HUAPING

Assignees

浙江田博工贸有限公司

Dates

Publication Date: 20260508
Application Date: 20250728

Claims (6)

1. An intelligent oiling closed-loop control method for a grease gun is characterized by comprising the following steps: The device comprises a grease gun, a communication module, an acquisition module, a control module and a filling module, wherein the communication module is arranged in the grease gun, and is in communication connection with a preset mobile terminal after the grease gun is electrified; the acquisition module acquires a current filling mode, and under different filling modes, the plunger pump is filled with oil each time with a corresponding default filling amount; The acquisition module acquires the butter allowance of the oil storage barrel, sets a target filling amount, and calculates ideal filling time based on the target filling amount and the selected filling mode if the target filling amount is larger than the butter allowance; If the ideal filling time length is smaller than a first threshold value or the communication state of the communication module is in a disconnected state, the control module adopts a PID (proportion integration differentiation) regulation mode and drives the filling module to fill butter according to the default filling amount until the target filling amount is reached; If the ideal filling time length is greater than or equal to the first threshold value and the communication state of the communication module is a connection state, the mobile terminal generates a control strategy based on the ambient temperature acquired by the acquisition module and sends the control strategy to the control module, wherein the control strategy comprises filling amount of each filling of a plunger pump, and the control module drives the filling module to carry out butter filling based on the control strategy until the target filling amount is reached; the mobile terminal generating the control strategy and sending the control strategy to the control module comprises the following steps: The control module acquires a grease gun code and sends the environment temperature and the grease gun code to a mobile terminal through the communication module; The method comprises the steps that a butter model is input to a mobile terminal, the mobile terminal sends the environment temperature, a butter gun code, a filling mode and the butter model to a server, the server determines a current viscosity value of butter based on the environment temperature and the butter model, historical usage data of the butter gun is obtained based on the butter gun code, the historical usage data comprise the filling mode used by the butter gun, filling quantity and filling deviation of a plunger pump each time, the historical viscosity value used by the butter and accumulated using time length of the butter gun, the server generates a control strategy based on the historical usage data and the current viscosity value, the control strategy comprises the filling times of the plunger pump and the filling quantity during each time of filling, and the server sends the control strategy to the control module through the mobile terminal.
2. The method according to claim 1, wherein the server sending the control policy to the control module via the mobile terminal comprises the steps of: The method comprises the steps that a server generates a plurality of control strategies each time, the plurality of control strategies are sent to a mobile module, the mobile module selects one of the control strategies as a first strategy, the other control strategies as a second strategy, the mobile terminal sends the first strategy to a grease gun, the grease gun carries out oiling based on the first strategy, the process of each oiling of a plunger pump is defined as an oiling period, and one oiling period exists in each control strategy and is defined as a verification period; The control module obtains a first oiling value of each oiling period in the first strategy, carries out butter filling based on the first strategy, obtains an actual second oiling value of butter of each oiling period, calculates oiling deviation of each oiling period based on the first oiling value and the second oiling value, calculates a deviation value of the first strategy and the current oiling condition based on the oiling deviation of each oiling period when the verification period is reached, selects the first strategy with the smallest deviation value with the current oiling condition from the second strategy as a new strategy if the deviation value is larger than a second threshold, and continues to use the first strategy for filling if the deviation value is smaller than or equal to the second threshold.
3. The method of claim 2, wherein the control module driving the filling module for butter filling based on the first strategy comprises the steps of: The first strategy divides the oiling period into a fluctuation period and a stable period, each oiling mode has a single limiting oiling value, the acquisition module acquires the oiling deviation of each oiling period, continuously calculates an accumulated deviation based on the oiling deviation, takes the sum of the accumulated deviation and the first oiling value of the next stable period as an adjustment quantity, and carries out butter oiling based on the adjustment quantity when the adjustment quantity is less than or equal to the single limiting oiling value when the adjustment quantity reaches the stable period so as to eliminate the accumulated deviation; and if the adjustment quantity is larger than the single limit filling value, taking the part of the adjustment quantity larger than the single limit filling value as an overshoot, equally dividing the overshoot into the rest stable periods, correcting the first oiling value of each stable period, and if the corrected first oiling value of the stable period is larger than the single limit filling value, selecting one fluctuation period as an auxiliary adjustment period, and supplementing the part exceeding the single limit filling value into the auxiliary adjustment period.
4. The method of claim 2, wherein a server generates the control strategy based on the historical usage data and a current viscosity value comprises the steps of: the server collects the historical usage data of a plurality of grease guns, analyzes the historical usage data to determine a plurality of alternative filling schemes of the grease guns under different limiting conditions, wherein the alternative filling schemes comprise an optimal filling value of each filling period, and the limiting conditions comprise a viscosity numerical value, a filling mode and accumulated usage time length of the grease guns; after receiving the historical usage data of the current grease gun, the server compares the historical usage data with the stored historical usage data in similarity, sends a plurality of control strategies corresponding to the historical usage data with the highest similarity to the mobile terminal, and takes one of the control strategies as the first strategy.
5. The method of claim 1, wherein setting the target fill amount comprises: inputting a target machine to be filled and a filling position to a mobile terminal, generating a recommended filling amount by the mobile terminal based on the product specification and the service life of the target machine, and taking the recommended filling amount as the target filling amount.
6. An intelligent oiling closed-loop control system for a grease gun for implementing the method of any one of claims 1-5, comprising: The communication module establishes communication connection with a preset mobile terminal after the grease gun is electrified; The collecting module is used for obtaining a current filling mode, under different filling modes, the plunger pump is filled with oil each time with a corresponding default filling amount, the collecting module is used for obtaining the butter allowance of the oil storage barrel, setting a target filling amount, and if the target filling amount is larger than the butter allowance, calculating ideal filling duration based on the target filling amount and the selected filling mode; The control module adopts a PID regulation mode if the ideal filling time length is smaller than a first threshold value or the communication state of the communication module is in a disconnection state, and generates a control strategy based on the environmental temperature acquired by the acquisition module and sends the control strategy to the control module if the ideal filling time length is larger than or equal to the first threshold value and the communication state of the communication module is in a connection state, wherein the control strategy comprises the filling amount of each filling of a plunger pump; and the filling module is used for filling butter according to the default filling amount or the control strategy until the target filling amount is reached.

Description

Intelligent oiling closed-loop control method and system for grease gun Technical Field The invention belongs to the technical field of grease gun control, and particularly relates to an intelligent oiling closed-loop control method and system for a grease gun. Background The grease gun is a tool for injecting lubricating grease into mechanical equipment or bearings and the like, and the electric handheld grease gun is a common lubricating device in the current market due to simple operation, high oil injection efficiency and good precision. When the grease gun is used, an operator controls the grease gun by pressing the trigger, and grease is accurately injected into the lubrication point through the pipeline, so that good running state of mechanical equipment is ensured. According to the grease gun oiling control method disclosed in the Chinese patent document with publication number CN116989251A, a brushless motor PID control technology is adopted, a plunger pump is driven by the brushless motor to output butter, and the current and voltage of the brushless motor are measured, so that the output weight of the butter in unit time is determined, the influence of air in the butter on the whole oiling weight is avoided, and the accuracy of grease gun oiling is improved. However, the simple PID regulation algorithm is adopted to carry out oiling control, and the filling rate can be regulated in real time, but the defects that parameter setting depends on experience, is easily influenced by external environment interference, and the like exist. Disclosure of Invention In order to solve the problems, the invention provides an intelligent oiling closed-loop control method and system for a grease gun, which are used for solving the problems in the background technology. In order to achieve the above purpose, the invention provides an intelligent oiling closed-loop control method for a grease gun, which comprises the following steps: The device comprises a grease gun, a communication module, an acquisition module, a control module and a filling module, wherein the communication module is arranged in the grease gun, and is in communication connection with a preset mobile terminal after the grease gun is electrified; the acquisition module acquires a current filling mode, and under different filling modes, the plunger pump is filled with oil each time with a corresponding default filling amount; The acquisition module acquires the butter allowance of the oil storage barrel, sets a target filling amount, and calculates ideal filling time based on the target filling amount and the selected filling mode if the target filling amount is larger than the butter allowance; If the ideal filling time length is smaller than a first threshold value or the communication state of the communication module is in a disconnected state, the control module adopts a PID (proportion integration differentiation) regulation mode and drives the filling module to fill butter according to the default filling amount until the target filling amount is reached; If the ideal filling time length is greater than or equal to the first threshold value and the communication state of the communication module is a connection state, the mobile terminal generates a control strategy based on the ambient temperature acquired by the acquisition module and sends the control strategy to the control module, the control strategy comprises filling amount of each filling of the plunger pump, and the control module drives the filling module to carry out butter filling based on the control strategy until the target filling amount is reached. Further, the mobile terminal generating the control policy and sending the control policy to the control module includes the following steps: The control module acquires a grease gun code and sends the environment temperature and the grease gun code to a mobile terminal through the communication module; The method comprises the steps that a butter model is input to a mobile terminal, the mobile terminal sends the environment temperature, a butter gun code, a filling mode and the butter model to a server, the server determines a current viscosity value of butter based on the environment temperature and the butter model, historical usage data of the butter gun is obtained based on the butter gun code, the historical usage data comprise the filling mode used by the butter gun, filling quantity and filling deviation of a plunger pump each time, the historical viscosity value used by the butter and accumulated using time length of the butter gun, the server generates a control strategy based on the historical usage data and the current viscosity value, the control strategy comprises the filling times of the plunger pump and the filling quantity during each time of filling, and the server sends the control strategy to the control module through the mobile terminal. Further, the server sending the control policy to the control module t