WO2023184049A1 - 一种乳化液泵智能控制系统 - Google Patents

一种乳化液泵智能控制系统 Download PDF

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WO2023184049A1
WO2023184049A1 PCT/CN2022/081610 CN2022081610W WO2023184049A1 WO 2023184049 A1 WO2023184049 A1 WO 2023184049A1 CN 2022081610 W CN2022081610 W CN 2022081610W WO 2023184049 A1 WO2023184049 A1 WO 2023184049A1
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Prior art keywords
emulsion pump
sensor
liquid supply
control system
emulsion
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PCT/CN2022/081610
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English (en)
French (fr)
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张强
由衷
田莹
张润鑫
姜慧
王成龙
刘思远
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山东科技大学
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Priority to PCT/CN2022/081610 priority Critical patent/WO2023184049A1/zh
Publication of WO2023184049A1 publication Critical patent/WO2023184049A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity

Definitions

  • the invention belongs to the technical field of mining equipment, and in particular relates to an intelligent control system for an emulsion pump.
  • Emulsion pumps are used as working face hydraulic supports.
  • the power source of comprehensive mechanized mining equipment such as mines is the key equipment to achieve high productivity and efficiency on the working face.
  • the continuity, stability and reliability of its work are of great significance to ensure the safe production of coal enterprises and improve economic benefits.
  • the control system of emulsion pumps commonly used in coal mines still has problems such as complexity, low automation, insufficient reliability, and untimely response. Therefore, an intelligent control system for emulsion pumps is urgently needed to solve the above problems.
  • the present invention provides an emulsion pump intelligent control system that uses a variety of sensors to monitor the emulsion pump system in real time, thereby controlling and monitoring the emulsion pump system and capable of analyzing and processing working surface feedback.
  • the data information makes the work more accurate and reliable, is conducive to underground work, meets the needs of intelligence, and is worthy of promotion and application; it can realize automated mine production and comprehensively promote digital mine construction.
  • An intelligent control system for an emulsion pump including an emulsion pump, a casing, a coupling, a motor, a liquid supply tank, and an industrial computer.
  • the emulsion pump is nested in the casing, and the motor provides power for the emulsion pump; the liquid supply
  • the box contains emulsion, which is connected to the filter element through the suction pipe.
  • the outlet end of the filter element is connected to the emulsion pump through the liquid supply pipe.
  • the liquid supply tank supplies liquid to the emulsion pump through the suction pipe.
  • the emulsion passes through the suction pipe.
  • the liquid main pipe is filtered through the filter core; a liquid level sensor and a pressure sensor are installed in the liquid supply tank to monitor the liquid level and pressure in the liquid supply tank when the system is working.
  • the liquid level sensor and pressure sensor are connected to the industrial control electromechanical.
  • the emulsion pump is connected to the motor hole shaft through a coupling.
  • the liquid supply tank is provided with a pressure relief valve, and the pressure relief valve is connected to the industrial control electromechanical device.
  • a quality sensor is provided outside the filter core, and the quality sensor is connected to an industrial control machine.
  • a PH sensor is provided inside the housing, and the PH sensor is electrically connected to the industrial control machine.
  • a temperature sensor is installed on the outside of the casing, and the temperature sensor is electrically connected to the industrial control machine.
  • the temperature sensor is of magnetic adsorption type and is adsorbed on the casing.
  • the emulsion pump intelligent control system provided by the present invention centrally monitors the emulsion pump system through PH sensors, temperature sensors, pressure sensors, liquid level sensors, and quality sensors.
  • the system can make real-time judgments and automatically Controlling the working conditions of the emulsion pump system, the operation process is simple, it is not prone to operating errors, and the operation speed is fast, which can ensure the safe and reliable operation of the liquid supply work; the system operates smoothly and quickly, greatly improving the work efficiency; it is fast and low-cost , low labor intensity and high reliability, which greatly improves the working conditions on site.
  • This emulsion pump intelligent control system uses all data from multiple sensors to detect the system, can provide users with various detailed data, and uses various data from the real-time detection system, including pressure in the liquid supply tank, liquid level and oil temperature, filtration
  • the core quality, PH value and temperature in the emulsion pump are fed back by various sensors to analyze and adjust the working status of the emulsion pump, making the work underground in the coal mine more convenient and faster, with a relatively low degree of manual participation and reducing human fatigue. workload, making underground work in coal mines safer; at the same time, it also reduces labor costs and worker labor intensity, saves time, makes work more accurate, reliable and efficient, reduces the loss of pumping stations, saves production costs, and meets the needs of intelligent working methods for underground work. .
  • each component is accurately connected and has a simple structure, thereby ensuring the accuracy of each component in the installation process and work, and minimizing errors.
  • the emulsion pump intelligent control system can pass multiple tests to make the data authentic and reliable to meet the needs of underground work.
  • Figure 1 is a schematic structural diagram of the emulsion pump intelligent control system provided by the present invention.
  • FIG. 2 is a program block diagram of the working process of the present invention.
  • Figure 3 is a flow chart of signal collection and transmission during the working process of the present invention.
  • 1-liquid supply tank 2-liquid suction main pipe, 3-mass sensor, 4-filter element, 5-liquid supply pipe, 6-emulsion pump, 7-PH sensor, 8-casing, 9-coupling device, 10-motor, 11-temperature sensor, 12-pressure sensor, 13-pressure relief valve, 14-liquid level sensor, 15-industrial computer.
  • an emulsion pump intelligent control system includes an emulsion pump 6, a casing 8, a coupling 9, a motor 10, a liquid supply tank 1, and an industrial computer 15.
  • the emulsion pump 6 is nested in the casing 8 Inside, the coupling 9 is connected to the hole shaft of the motor 10, and the motor 10 provides power for the emulsion pump 6 to realize the liquid supply work of the emulsion pump 6.
  • the liquid supply tank 1 contains emulsion, and is connected to the filter core 4 through the liquid suction main pipe 2.
  • the outlet end of the filter core 4 is connected to the emulsion pump 6 through the liquid supply pipe 5.
  • the liquid supply tank 1 is connected to the liquid suction main pipe 2.
  • Liquid is supplied to the emulsion pump 6, and the emulsion is filtered through the filter core 4 through the suction main pipe 2 to ensure the smooth supply of the emulsion, ensure reliable operation, prevent accidents, and save energy consumption.
  • the emulsion is purified and filtered by the filter core 4. Then it enters the liquid supply pipe 5, and provides emulsion to the emulsion pump 6 through the connection between the liquid supply pipe 5 and the emulsion pump 6.
  • a liquid level sensor 14 and a pressure sensor 12 are provided in the liquid supply tank 1 to monitor the liquid level and pressure in the liquid supply tank 1 when the system is working.
  • the liquid level sensor 14 and the pressure sensor 12 are electrically connected to the industrial computer 15.
  • the sensor 14 transmits the liquid level signal and the pressure signal to the industrial computer 15 in real time, and the industrial computer 15 analyzes whether to perform fluid replenishment work according to the transmitted signal;
  • the pressure sensor 12 transmits the pressure signal to the industrial computer 15 in real time, and the industrial computer 15 analyzes according to the transmitted signal. Signal analysis is performed to determine whether voltage stabilization is being performed.
  • the liquid supply tank 1 is provided with a pressure relief valve 13.
  • the pressure relief valve 13 is electrically connected to the industrial computer 15 to adjust the pressure of the emulsion pump intelligent control system to the preset required ideal pressure and at the same time complete the loading. Unloading after work ensures the reliability of the emulsion pump intelligent control system, prevents danger caused by excessive pressure, and ensures the safety of the system's working process.
  • a mass sensor 3 is provided outside the filter element 4, and the mass sensor 3 is electrically connected to the industrial computer 15.
  • the quality sensor 3 monitors the quality changes of the filter element 4 and transmits the quality signal to the industrial computer 15 in real time.
  • the industrial computer 15 analyzes whether the filter is clogged based on the transmitted signal, and replaces the filter after judging that the filter is clogged.
  • a PH sensor 7 is provided inside the housing 8 , and the PH sensor 7 is electrically connected to the industrial computer 15 .
  • the PH sensor 7 monitors changes in the PH value inside the housing 8 in real time, and transmits the PH value signal to the industrial computer 15 in real time.
  • the industrial computer 15 determines whether emulsion leakage occurs based on the transmitted signal.
  • a temperature sensor 11 is installed outside the housing 8 , and the temperature sensor 11 is electrically connected to the industrial computer 15 .
  • the temperature sensor 11 detects the temperature of the emulsion pump intelligent control system and transmits the temperature signal to the industrial computer 15.
  • the industrial computer 15 determines whether to perform heat dissipation and cooling based on the temperature signal.
  • the temperature sensor 11 is of magnetic adsorption type and is adsorbed on the housing 8 for monitoring the temperature of the housing 8 .
  • the motor 10 starts to provide power for the emulsion pump 6 to absorb liquid.
  • the emulsion passes from the liquid supply tank 1 through the liquid suction main pipe 2 and is purified and filtered through the filter core 4. Then, it is sucked into the emulsion pump 6 through the liquid supply pipe 5 .
  • the mass sensor 3, PH value sensor 7, temperature sensor 11, pressure sensor 12 and liquid level sensor 14 start working.
  • the mass sensor 3 detects the quality change
  • the PH value sensor 7 detects the PH value change
  • the temperature sensor 11 detects the temperature change
  • the pressure sensor 12 detects pressure changes
  • the liquid level sensor 14 detects liquid level changes, and measures the quality of the filter element 4, the PH value in the housing 8 of the emulsion pump 6, the temperature of the housing 8, the pressure in the liquid supply tank 1, and the liquid level in the liquid supply tank 1.
  • Multiple sensors coordinately monitor and transmit data signals to the industrial computer 15 in real time.
  • the industrial computer 15 transmits the quality sensor 3, the pH sensor 7, the temperature sensor 11, the pressure sensor 12 and the liquid level through the receiving module of the industrial computer 15.
  • the analog signal transmitted by the sensor 14 is introduced into the filter and processed into an analog signal
  • the analog signal is encoded and modulated by a modulator, and then the analog signal is converted into a digital signal through A/D conversion.
  • the digital signal is decoded and demodulated by the demodulator
  • the decoded and demodulated data is transmitted to the control system of the industrial computer 15 .
  • the control system compares the data transmitted by the mass sensor 3, pH sensor 7, temperature sensor 11, pressure sensor 12 and liquid level sensor 14 with the preset values:
  • the industrial computer 15 controls the motor 10 to stop rotating and perform heat dissipation and cooling; if the temperature data transmitted by the temperature sensor 11 is not higher than the preset temperature value, the emulsion Pump 6 is working normally;
  • the quality data transmitted by the quality sensor 3 is higher than the preset quality value, it means that the filter element 4 is full, and the industrial computer 15 controls the motor 10 to stop rotating and replace the filter element 4; if the quality data transmitted by the quality sensor 3 is not Higher than the preset quality value, the emulsion pump 6 works normally;
  • the industrial computer 15 controls the motor 10 to stop rotating, shut down, and perform pressure relief and pressure stabilization work through the pressure relief valve 13 provided on the liquid supply tank 1; if the pressure data transmitted by the pressure sensor 12 is not higher than the preset pressure value, and the emulsion pump 6 works normally;
  • the industrial computer 15 controls the motor 10 to stop rotating and replenish the liquid into the liquid supply tank 1; if the data transmitted by the liquid level sensor 14 is not low, At the preset liquid level value, the emulsion pump 6 operates normally;
  • the industrial computer 15 controls the motor 10 to stop rotating and shut down to check the leakage problem; if the PH value transmitted by the PH value sensor 7 is not low At the preset pH value, the emulsion pump 6 operates normally. This ensures the stable supply of emulsion, ensures reliable operation, prevents accidents, and saves energy consumption.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

一种乳化液泵智能控制系统包括乳化液泵（6）、外壳（8）、联轴器（9）、电机（10）、供液箱（1）、工控机（15）。乳化液泵（6）嵌套于外壳（8）内，通过联轴器（9）与电机连接；供液箱（1）连接过滤芯（4），过滤芯（4）的出口端与乳化液泵（6）相连接；供液箱（1）内设置的液位传感器（14）和压力传感器（12）、供液箱（1）上设置的泄压阀（13）、过滤芯（4）外的质量传感器（3）、外壳（8）内部设置的PH传感器（7）、外壳（3）外部安装的温度传感器（11）均与工控机（15）电连接。该系统自动化程度高、可靠性高。

Description

一种乳化液泵智能控制系统 技术领域
本发明属于矿用设备技术领域，尤其涉及一种乳化液泵智能控制系统。
背景技术
近年来，随着煤矿机械设备更新换代步伐的加快，也为了适应煤矿安全生产和煤矿节能的要求，煤炭生产过程中所需液压支架的输出功率越来越大，乳化液泵作为工作面液压支架等综合机械化开采设备的动力源，是实现工作面高产高效的关键设备，其工作的连续性、稳定性与可靠性对于保证煤炭企业的安全生产和提高经济效益具有非常重要的意义。但是煤矿井下常用乳化液泵的控制系统仍存在复杂、自动化程度低、可靠性不足以及响应不及时问题。因此，亟需一种乳化液泵智能控制系统，以解决上述问题。
发明内容
针对现有技术存在的不足，本发明提供一种乳化液泵智能控制系统，利用多种传感器对乳化液泵系统进行实时监测，从而对乳化液泵系统进行控制和监测，能够分析处理工作面反馈的数据信息，使工作更加准确、可靠，有利于井下工作，满足智能化需求，值得推广与应用；实现自动化矿井生产，全面推进数字化矿井建设。
一种乳化液泵智能控制系统，包括乳化液泵、外壳、联轴器、电机、供液箱、工控机，乳化液泵嵌套于外壳内，电机为乳化液泵提供动力；所述供液箱内盛装有乳化液，通过吸液主管连接过滤芯，过滤芯的出口端通过供液管与乳化液泵相连接，供液箱通过吸液主管向乳化液泵进行供液，乳化液经由吸液主管通过过滤芯进行过滤；供液箱内设置有液位传感器和压力传感器，对系统工作时供液箱内的液位和压力进行监测，液位传感器和压力传感器与工控机电连接。
所述乳化液泵通过联轴器与电机孔轴连接。
所述供液箱上设有泄压阀，泄压阀与工控机电连接。
所述过滤芯外设置有质量传感器，质量传感器与工控机电连接。
所述外壳内部设置有PH传感器，PH传感器与工控机电连接。
所述外壳外部安装有温度传感器，温度传感器与工控机电连接。
所述温度传感器为磁吸附式，吸附于外壳上。
本发明的有益效果是：本发明所提供的乳化液泵智能控制系统，通过PH传感器、温度传感器、压力传感器、液位传感器、质量传感器对乳化液泵系统的集中监测，系统实时的判 断并自动控制乳化液泵系统的工作状况，操作过程简单，不易出现操作失误，操作速度快，能够保证供液工作的安全可靠运行；该系统运行流畅快捷，大大提高了工作的效率；速度快、成本低、劳动强度低、可靠性高，大大改善了现场的工作条件。
该乳化液泵智能控制系统，利用多个传感器检测系统的所有数据，能够为用户提供各类详细数据，并利用实时检测系统的各类数据，包括供液箱内压力、液位油温、过滤芯质量、乳化液泵内PH值与温度通过各个传感器反馈的信号，进而来分析调节乳化液泵的工作运行状态，使煤矿井下的工作更加方便快捷，人工参与的程度比较低，降低了人的工作量，使煤矿井下工作更加安全；同时也降低人工成本与工人劳动强度、节约时间，使得工作更加精确可靠、高效，降低泵站的损耗，节约生产成本，满足井下工作智能化工作方式的需求。
本发明中各部件连接精准、结构简易，从而保证各部件在安装过程和工作中的精确性，将误差降到最低。该乳化液泵智能控制系统可通过多次测试，使数据真实可靠，满足井下工作需要。
附图说明
图1为本发明提供的乳化液泵智能控制系统的结构示意图；
图2为本发明工作过程的程序框图；
图3为本发明工作过程中信号采集及传输流程图；
图中，1-供液箱，2-吸液主管，3-质量传感器，4-过滤芯，5-供液管，6-乳化液泵，7-PH传感器，8-外壳，9-联轴器，10-电机，11-温度传感器，12-压力传感器，13-泄压阀，14-液位传感器，15-工控机。
具体实施方式
为了更好的解释本发明，以便于理解，下面结合附图，通过具体实施方式，对本发明的技术方案和效果作详细描述。
如图1所示，一种乳化液泵智能控制系统，包括乳化液泵6、外壳8、联轴器9、电机10、供液箱1、工控机15，乳化液泵6嵌套于外壳8内，通过联轴器9与电机10孔轴连接，电机10为乳化液泵6提供动力，实现乳化液泵6的供液工作。所述供液箱1内盛装有乳化液，通过吸液主管2连接过滤芯4，过滤芯4的出口端通过供液管5与乳化液泵6相连接，供液箱1通过吸液主管2向乳化液泵6进行供液，乳化液经由吸液主管2通过过滤芯4进行过滤，保障乳化液的平稳供送、保证工作可靠、防止事故、节约能耗，乳化液经过过滤芯4净化过滤后进入供液管5，通过供液管5与乳化液泵6的连接为乳化液泵6提供乳化液。
供液箱1内设置有液位传感器14和压力传感器12，对系统工作时供液箱1内的液位和 压力进行监测，液位传感器14和压力传感器12与工控机15电连接，液位传感器14将液位信号和压力信号实时传入工控机15中，工控机15根据传递的信号分析是否进行补液工作；压力传感器12将压力信号实时传入工控机15中，工控机15根据传递的信号分析是否进行稳压工作。
所述供液箱1上设有泄压阀13，泄压阀13与工控机15电连接，将乳化液泵智能控制系统的压力调节到预先设定的所需要的理想压力，同时能够完成加载工作以后的卸荷，保证乳化液泵智能控制系统工作的可靠性，防止压力过大造成危险，从而保证系统工作过程的安全性。
所述过滤芯4外设置有质量传感器3，质量传感器3与工控机15电连接。质量传感器3对过滤芯4质量变化进行监测，并将质量信号实时传入工控机15中，工控机15根据传递的信号分析是否堵塞，在判断过滤器堵塞后进行更换。
所述外壳8内部设置有PH传感器7，PH传感器7与工控机15电连接。PH传感器7对外壳8内部PH值变化进行实时监测，并将PH值信号实时传入工控机15中，工控机15根据传递的信号判断是否产生乳化液泄露情况。
所述外壳8外部安装有温度传感器11，温度传感器11与工控机15电连接。温度传感器11对该乳化液泵智能控制系统进行温度检测，将温度信号传入工控机15中，工控机15根据温度信号判断是否进行散热降温。
所述温度传感器11为磁吸附式，吸附于外壳8上，用于监测外壳8温度。
上述乳化液泵智能控制系统的工作过程如下：
如图2和图3所示，供液工作开始时，电机10启动，为乳化液泵6提供动力进行吸液，乳化液从供液箱1中经由吸液主管2，通过过滤芯4净化过滤后，再经过供液管5被吸入乳化液泵6中。同时质量传感器3、PH值传感器7、温度传感器11、压力传感器12和液位传感器14开启工作，质量传感器3检测质量变化、PH值传感器7检测PH值变化、温度传感器11检测温度变化、压力传感器12检测压力变化、液位传感器14检测液位变化，对过滤芯4质量、乳化液泵6的外壳8内PH值、外壳8的温度、供液箱1内压力和供液箱1内液位进行实时监测。多个传感器协同监测，并将数据信号实时传递到传入工控机15中，工控机15通过工控机15的接收模块将质量传感器3、PH值传感器7、温度传感器11、压力传感器12和液位传感器14传输的信号传入滤波器处理成模拟信号后，经过调制器对模拟信号进行编码调制，再通过A/D转换将模拟信号转换为数字信号。数字信号经过解调器译码解调后，将译码解调后的数据传入工控机15的控制系统中。控制系统将质量传感器3、PH值传感器7、温 度传感器11、压力传感器12和液位传感器14传递的数据与预先设定的数值进行比较：
若温度传感器11传送的温度数据高于预先设定温度值，工控机15则控制电机10停止转动，停机进行散热降温；若温度传感器11传送的温度数据不高于预先设定温度值，乳化液泵6正常进行工作；
若质量传感器3传送的质量数据高于预先设定的质量值，则说明过滤芯4堵满，工控机15则控制电机10停止转动，停机更换过滤芯4；若质量传感器3传送的质量数据不高于预先设定的质量值，乳化液泵6正常进行工作；
若压力传感器12传送的压力数据高于预先设定的压力值，则工控机15则控制电机10停止转动，停机并通过供液箱1上设置的泄压阀13进行泄压稳压工作；若压力传感器12传送的压力数据不高于预先设定的压力值，乳化液泵6正常进行工作；
若液位传感器14传递的数据低于预先设定的液位值，工控机15则控制电机10停止转动，停机进行向供液箱1内进行补液工作；若液位传感器14传递的数据不低于预先设定的液位值，乳化液泵6正常进行工作；
若PH值传感器7传送的PH值低于预先设定的PH值，则证明乳化液泄露，工控机15则控制电机10停止转动，停机检查泄露问题；若PH值传感器7传送的PH值不低于预先设定的PH值，乳化液泵6正常进行工作。从而保障乳化液的平稳供送，保证工作可靠，防止事故，节约能耗。

Claims (7)

  1. 一种乳化液泵智能控制系统，其特征在于：包括乳化液泵、外壳、联轴器、电机、供液箱、工控机，乳化液泵嵌套于外壳内，电机为乳化液泵提供动力；所述供液箱内盛装有乳化液，通过吸液主管连接过滤芯，过滤芯的出口端通过供液管与乳化液泵相连接，供液箱通过吸液主管向乳化液泵进行供液，乳化液经由吸液主管通过过滤芯进行过滤；供液箱内设置有液位传感器和压力传感器，对系统工作时供液箱内的液位和压力进行监测，液位传感器和压力传感器与工控机电连接。
  2. 根据权利要求1所述的一种乳化液泵智能控制系统，其特征在于：所述乳化液泵通过联轴器与电机孔轴连接。
  3. 根据权利要求1所述的一种乳化液泵智能控制系统，其特征在于：所述供液箱上设有泄压阀，泄压阀与工控机电连接。
  4. 根据权利要求1所述的一种乳化液泵智能控制系统，其特征在于：所述过滤芯外设置有质量传感器，质量传感器与工控机电连接。
  5. 根据权利要求1所述的一种乳化液泵智能控制系统，其特征在于：所述外壳内部设置有PH传感器，PH传感器与工控机电连接。
  6. 根据权利要求1所述的一种乳化液泵智能控制系统，其特征在于：所述外壳外部安装有温度传感器，温度传感器与工控机电连接。
  7. 根据权利要求6所述的一种乳化液泵智能控制系统，其特征在于：所述温度传感器为磁吸附式，吸附于外壳上。
PCT/CN2022/081610 2022-03-30 2022-03-30 一种乳化液泵智能控制系统 WO2023184049A1 (zh)

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US4315421A (en) * 1978-10-03 1982-02-16 National Steel Corporation Method of controlling the concentration and stability of an emulsion
CN101126402A (zh) * 2006-08-18 2008-02-20 淄博市博山防爆电器厂有限公司 矿用智能型乳化液泵站
CN102302912A (zh) * 2011-06-21 2012-01-04 三一重型装备有限公司 一种矿用智能乳化液控制系统
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