CN115264150A - A high-safety electric actuator control system - Google Patents
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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
- 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
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及电动控制技术领域，尤其涉及一种安全性高的电动执行器控制系统。The invention relates to the technical field of electric control, in particular to an electric actuator control system with high safety.
背景技术Background technique
越来越多的工厂采用了自动化控制，人工操作被机械或自动化设备所替代，人们要求执行机构能够起到控制系统与阀门机械运动之间的界面作用，更要求执行机构与工作机增强工作安全性能；现有的电动执行器多采用集中式控制，也就是采用单块主控板集成信号采集、控制、驱动等功能，采用集中式控制的电动执行器，集成度越高，所用线束就越多，物理连接越复杂，由此降低了执行器运行的可靠性以及安装、维护等的便捷性，为此我们提出了一种安全性高的电动执行器控制系统。More and more factories adopt automatic control, and manual operation is replaced by machinery or automation equipment. People require the actuator to be able to play the role of interface between the control system and the mechanical movement of the valve, and also require the actuator and the working machine to enhance work safety. performance; most of the existing electric actuators use centralized control, that is, a single main control board is used to integrate functions such as signal acquisition, control, and drive. More, the more complicated the physical connection, which reduces the reliability of the actuator operation and the convenience of installation and maintenance. Therefore, we propose a high-safety electric actuator control system.
发明内容Contents of the invention
本发明的目的是为了解决现有技术中存在的缺点，而提出的一种安全性高的电动执行器控制系统。The purpose of the present invention is to solve the shortcomings in the prior art and propose a high-safety electric actuator control system.
为了实现上述目的，本发明采用了如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种安全性高的电动执行器控制系统，包括上位机、CAN模块、微控模块、调节模块、驱动电机、电磁阀、信号发送模块、信号采集模块和报警模块，所述上位机与CAN模块交互连接，CAN模块与微控模块交互连接，微控模块分别与驱动电机和电磁阀交互连接，微控模块与调节模块电性连接，调节模块分别与驱动电机和电磁阀电性连接，调节模块与信号发送模块电性，信号发送模块与信号采集模块电性连接，信号采集模块与微控模块电性连接，报警模块与微控模块电性连接；An electric actuator control system with high safety, including a host computer, a CAN module, a micro-control module, an adjustment module, a drive motor, a solenoid valve, a signal sending module, a signal acquisition module and an alarm module, the host computer and the CAN module Interactive connection, the CAN module is interactively connected with the micro-control module, the micro-control module is interactively connected with the drive motor and the solenoid valve, the micro-control module is electrically connected with the adjustment module, the adjustment module is electrically connected with the drive motor and the solenoid valve, and the adjustment module It is electrically connected to the signal sending module, the signal sending module is electrically connected to the signal acquisition module, the signal acquisition module is electrically connected to the micro-control module, and the alarm module is electrically connected to the micro-control module;
其中CAN模块为控制器局域网络，由于其具有较强的抗干扰能力、通信中没有地址概念及节点数不受限制等优点，已经被广泛应用于汽车、数控机床、仪器仪表、现场总线控制等领域；Among them, the CAN module is a controller local area network. Because of its strong anti-interference ability, no address concept in communication and unlimited number of nodes, etc., it has been widely used in automobiles, CNC machine tools, instrumentation, field bus control, etc. field;
调节模块用于对驱动电机与电磁阀进行控制；The adjustment module is used to control the drive motor and solenoid valve;
信号发送模块与信号采集模块用于进行信号的传递；The signal sending module and the signal collecting module are used for signal transmission;
报警模块用于异常报警。The alarm module is used for abnormal alarm.
作为本技术方案的进一步优选的：所述微控模块由主控模块、参数调取模块、参数检测模块和参数对比模块构成，主控模块与CAN模块交互连接，主控模块分别与参数调取模块和调节模块电性连接，参数调取模块与参数检测模块电性连接，参数检测模块与参数对比模块电性连接，参数对比模块与主控模块电性连接，信号采集模块与主控模块电性连接，参数调取模块分别与驱动电机和电磁阀交互连接；As a further preference of the technical solution: the micro-control module is composed of a main control module, a parameter retrieval module, a parameter detection module and a parameter comparison module, the main control module is interactively connected with the CAN module, and the main control module is connected with the parameter retrieval module respectively. The module is electrically connected to the adjustment module, the parameter retrieval module is electrically connected to the parameter detection module, the parameter detection module is electrically connected to the parameter comparison module, the parameter comparison module is electrically connected to the main control module, and the signal acquisition module is electrically connected to the main control module. The parameter retrieval module is interactively connected with the driving motor and the solenoid valve respectively;
参数检测模块由信号放大电路、AD转换电路、阀位检测单元和转速检测单元组成，参数调取模块与信号放大电路电性连接，信号放大电路与AD转换电路电性连接，AD转换电路分别与阀位检测单元和转速检测单元电性连接，阀位检测单元和转速检测单元均与参数对比模块电性连接；The parameter detection module is composed of signal amplification circuit, AD conversion circuit, valve position detection unit and speed detection unit. The parameter retrieval module is electrically connected with the signal amplification circuit, the signal amplification circuit is electrically connected with the AD conversion circuit, and the AD conversion circuit is connected with the The valve position detection unit is electrically connected to the rotational speed detection unit, and both the valve position detection unit and the rotational speed detection unit are electrically connected to the parameter comparison module;
其中参数调取模块调取驱动电机与电磁阀的数据；Among them, the parameter retrieval module retrieves the data of the driving motor and the solenoid valve;
参数检测模块用于检测驱动电机的转速与电磁阀的阀位；The parameter detection module is used to detect the speed of the driving motor and the valve position of the solenoid valve;
参数对比模块用于比对驱动电机的转速与电磁阀的阀位是否符合预设数据；The parameter comparison module is used to compare whether the speed of the driving motor and the valve position of the solenoid valve conform to the preset data;
阀位检测单元为距离传感器，其用于读取电磁阀的阀位；The valve position detection unit is a distance sensor, which is used to read the valve position of the solenoid valve;
转速检测单元为转速传感器，其用于读取驱动电机的转速数据。The rotation speed detection unit is a rotation speed sensor, which is used to read the rotation speed data of the driving motor.
作为本技术方案的进一步优选的：所述调节模块包括转速调节模块和阀位调节模块，主控模块分别与转速调节模块和阀位调节模块电性连接，转速调节模块与驱动电机电性连接，阀位调节模块与电磁阀电性连接，转速调节模块和阀位调节模块均与信号发生模块电性连接；As a further preferred aspect of this technical solution: the adjustment module includes a speed adjustment module and a valve position adjustment module, the main control module is electrically connected to the speed adjustment module and the valve position adjustment module, and the speed adjustment module is electrically connected to the drive motor, The valve position adjustment module is electrically connected to the solenoid valve, and the speed adjustment module and the valve position adjustment module are both electrically connected to the signal generation module;
当驱动电机的转速不符合预设值时，能够通过转速调节模块对驱动电机的转速进行调节；When the speed of the drive motor does not meet the preset value, the speed of the drive motor can be adjusted through the speed adjustment module;
当电磁阀的阀位不符合预设值时，能够通过阀位调节模块对电磁阀的阀位进行调节。When the valve position of the electromagnetic valve does not meet the preset value, the valve position of the electromagnetic valve can be adjusted through the valve position adjustment module.
作为本技术方案的进一步优选的：所述主控模块电性连接有人机交互模块；As a further preferred aspect of this technical solution: the main control module is electrically connected to a man-machine interaction module;
其中人机交互模块包括参数显示和参数设定两部分，需要显示的参数包括流量、流量特性、压力、阀门的工作方式、阀门工作状态指示等，显示器件使用LCD；参数设定包括流量、故障处理方式、对阀门操作速度等的设定。The human-computer interaction module includes two parts: parameter display and parameter setting. The parameters to be displayed include flow, flow characteristics, pressure, valve working mode, valve working status indication, etc. The display device uses LCD; parameter setting includes flow, fault Processing method, setting of valve operating speed, etc.
作为本技术方案的进一步优选的：所述主控模块电性连接有显示模块。As a further preferred aspect of the technical solution: the main control module is electrically connected to a display module.
作为本技术方案的进一步优选的：所述主控模块交互连接有网络通信模块。As a further preferred aspect of the technical solution: the main control module is interactively connected with a network communication module.
作为本技术方案的进一步优选的：所述上位机电性连接有电源供电模块。As a further preferred aspect of this technical solution: the upper electromechanical unit is electrically connected with a power supply module.
与现有的技术相比，本发明的有益效果是：Compared with prior art, the beneficial effect of the present invention is:
本发明还可以通过设定运行参数，当驱动电机的转速或电磁阀的阀位不符合预设值时，能够通过转速调节模块对驱动电机的转速进行调节，或通过阀位调节模块对电磁阀的阀位进行调节，然后通过显示模块与报警模块进行异常提示，从而方便进行维护。The present invention can also set operating parameters, when the speed of the drive motor or the valve position of the solenoid valve does not meet the preset value, the speed of the drive motor can be adjusted through the speed adjustment module, or the solenoid valve can be adjusted through the valve position adjustment module. Adjust the valve position, and then give an abnormal prompt through the display module and alarm module, so as to facilitate maintenance.
附图说明Description of drawings
图1为本发明提出的一种安全性高的电动执行器控制系统的系统连接框图；Fig. 1 is a system connection block diagram of a highly safe electric actuator control system proposed by the present invention;
图2为本发明提出的一种安全性高的电动执行器控制系统中微控模块的系统连接框图；Fig. 2 is a system connection block diagram of a micro-control module in a highly safe electric actuator control system proposed by the present invention;
图3为本发明提出的一种安全性高的电动执行器控制系统中参数检测模块的系统连接框图；Fig. 3 is a system connection block diagram of a parameter detection module in a highly safe electric actuator control system proposed by the present invention;
图4为本发明提出的一种安全性高的电动执行器控制系统中调节模块的系统连接框图。Fig. 4 is a system connection block diagram of an adjustment module in a high-safety electric actuator control system proposed by the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
参照图1-4，一种安全性高的电动执行器控制系统，包括上位机、CAN模块、微控模块、调节模块、驱动电机、电磁阀、信号发送模块、信号采集模块和报警模块，上位机与CAN模块交互连接，上位机电性连接有电源供电模块，电源供电模块用于对本系统中的电器元件进行供电，CAN模块与微控模块交互连接，微控模块分别与驱动电机和电磁阀交互连接，微控模块与调节模块电性连接，调节模块分别与驱动电机和电磁阀电性连接，调节模块与信号发送模块电性，信号发送模块与信号采集模块电性连接，信号采集模块与微控模块电性连接，报警模块与微控模块电性连接，其中CAN模块为控制器局域网络，由于其具有较强的抗干扰能力、通信中没有地址概念及节点数不受限制等优点，已经被广泛应用于汽车、数控机床、仪器仪表、现场总线控制等领域，调节模块用于对驱动电机与电磁阀进行控制，信号发送模块与信号采集模块用于进行信号的传递，报警模块用于异常报警。Referring to Figure 1-4, a highly safe electric actuator control system includes a host computer, a CAN module, a micro-control module, an adjustment module, a drive motor, a solenoid valve, a signal sending module, a signal acquisition module, and an alarm module. The computer and the CAN module are interactively connected. The upper electromechanical connection is connected with a power supply module. The power supply module is used to supply power to the electrical components in the system. The CAN module is interactively connected with the micro-control module. The micro-control module interacts with the drive motor and the solenoid valve respectively. connection, the micro-control module is electrically connected to the adjustment module, the adjustment module is electrically connected to the drive motor and the solenoid valve, the adjustment module is electrically connected to the signal transmission module, the signal transmission module is electrically connected to the signal acquisition module, and the signal acquisition module is electrically connected to the micro The control module is electrically connected, the alarm module is electrically connected to the micro-control module, and the CAN module is a controller local area network. Because of its strong anti-interference ability, no address concept in communication and unlimited number of nodes, etc., it has been It is widely used in automobiles, CNC machine tools, instrumentation, field bus control and other fields. The adjustment module is used to control the drive motor and solenoid valve. The signal sending module and signal acquisition module are used for signal transmission. The alarm module is used for abnormal Call the police.
本发明中，微控模块由主控模块、参数调取模块、参数检测模块和参数对比模块构成，主控模块与CAN模块交互连接，主控模块分别与参数调取模块和调节模块电性连接，参数调取模块与参数检测模块电性连接，参数检测模块与参数对比模块电性连接，参数对比模块与主控模块电性连接，信号采集模块与主控模块电性连接，参数调取模块分别与驱动电机和电磁阀交互连接；In the present invention, the micro-control module is composed of a main control module, a parameter retrieval module, a parameter detection module and a parameter comparison module, the main control module is interactively connected with the CAN module, and the main control module is electrically connected with the parameter retrieval module and the adjustment module respectively , the parameter retrieval module is electrically connected to the parameter detection module, the parameter detection module is electrically connected to the parameter comparison module, the parameter comparison module is electrically connected to the main control module, the signal acquisition module is electrically connected to the main control module, and the parameter retrieval module Respectively interact with the drive motor and solenoid valve;
主控模块电性连接有人机交互模块，人机交互模块包括参数显示和参数设定两部分，需要显示的参数包括流量、流量特性、压力、阀门的工作方式、阀门工作状态指示等，显示器件使用LCD；参数设定包括流量、故障处理方式、对阀门操作速度等的设定；主控模块电性连接有显示模块，显示模块为LCD显示器，用于数据显示，主控模块交互连接有网络通信模块，网络通信模块用于为系统联网，从而实现上位机和下位机之间的通信；The main control module is electrically connected to the human-computer interaction module. The human-computer interaction module includes two parts: parameter display and parameter setting. The parameters to be displayed include flow, flow characteristics, pressure, valve working mode, and valve working status indication. Use LCD; parameter setting includes flow rate, fault handling method, setting of valve operating speed, etc.; the main control module is electrically connected to a display module, and the display module is an LCD display for data display. The main control module is interactively connected to the network Communication module, the network communication module is used to network the system, so as to realize the communication between the upper computer and the lower computer;
参数检测模块由信号放大电路、AD转换电路、阀位检测单元和转速检测单元组成，参数调取模块与信号放大电路电性连接，信号放大电路与AD转换电路电性连接，AD转换电路分别与阀位检测单元和转速检测单元电性连接，阀位检测单元和转速检测单元均与参数对比模块电性连接，其中参数调取模块调取驱动电机与电磁阀的数据；参数检测模块用于检测驱动电机的转速与电磁阀的阀位；参数对比模块用于比对驱动电机的转速与电磁阀的阀位是否符合预设数据；阀位检测单元为距离传感器，其用于读取电磁阀的阀位；转速检测单元为转速传感器，其用于读取驱动电机的转速数据。The parameter detection module is composed of signal amplification circuit, AD conversion circuit, valve position detection unit and speed detection unit. The parameter retrieval module is electrically connected with the signal amplification circuit, the signal amplification circuit is electrically connected with the AD conversion circuit, and the AD conversion circuit is connected with the The valve position detection unit is electrically connected to the speed detection unit, and both the valve position detection unit and the speed detection unit are electrically connected to the parameter comparison module, in which the parameter retrieval module retrieves the data of the drive motor and the solenoid valve; the parameter detection module is used to detect The speed of the drive motor and the valve position of the solenoid valve; the parameter comparison module is used to compare whether the speed of the drive motor and the valve position of the solenoid valve conform to the preset data; the valve position detection unit is a distance sensor, which is used to read the position of the solenoid valve The valve position; the rotational speed detection unit is a rotational speed sensor, which is used to read the rotational speed data of the drive motor.
本发明中，调节模块包括转速调节模块和阀位调节模块，主控模块分别与转速调节模块和阀位调节模块电性连接，转速调节模块与驱动电机电性连接，阀位调节模块与电磁阀电性连接，转速调节模块和阀位调节模块均与信号发生模块电性连接，当驱动电机的转速不符合预设值时，能够通过转速调节模块对驱动电机的转速进行调节；当电磁阀的阀位不符合预设值时，能够通过阀位调节模块对电磁阀的阀位进行调节。In the present invention, the adjustment module includes a rotation speed adjustment module and a valve position adjustment module, the main control module is electrically connected to the rotation speed adjustment module and the valve position adjustment module, the rotation speed adjustment module is electrically connected to the driving motor, and the valve position adjustment module is connected to the solenoid valve Electrically connected, the speed adjustment module and the valve position adjustment module are electrically connected to the signal generation module. When the speed of the drive motor does not meet the preset value, the speed of the drive motor can be adjusted through the speed adjustment module; when the solenoid valve When the valve position does not meet the preset value, the valve position of the solenoid valve can be adjusted through the valve position adjustment module.
本发明中，通过人机交换模块设定预定数值，然后微控模块根据设定值控制驱动电机的转速与电磁阀的阀门的开口度，通过参数调取模块和参数检测模块读取驱动电机的转速与电磁阀的阀门的开口度，然后将这些数据经A/D电路转换后送入微控模块，微控模块通过参数对比模块将这些参数与设定值进行比较，根据比较结果调整阀门的开口精度与驱动电机的转速，从而实现自动控制；还可以通过设定运行参数，当驱动电机的转速或电磁阀的阀位不符合预设值时，能够通过转速调节模块对驱动电机的转速进行调节，或通过阀位调节模块对电磁阀的阀位进行调节，然后通过显示模块与报警模块进行异常提示，从而方便进行维护。In the present invention, the predetermined value is set through the man-machine exchange module, and then the micro-control module controls the rotating speed of the drive motor and the opening degree of the valve of the electromagnetic valve according to the set value, and reads the value of the drive motor through the parameter retrieval module and the parameter detection module. The rotation speed and the opening degree of the solenoid valve, and then these data are converted by the A/D circuit and sent to the micro-control module. The micro-control module compares these parameters with the set value through the parameter comparison module, and adjusts the valve opening according to the comparison result. Accuracy and the speed of the driving motor, so as to realize automatic control; also by setting the operating parameters, when the speed of the driving motor or the valve position of the solenoid valve does not meet the preset value, the speed of the driving motor can be adjusted through the speed adjustment module , or adjust the valve position of the solenoid valve through the valve position adjustment module, and then give an abnormal prompt through the display module and alarm module, so as to facilitate maintenance.
本发明的描述中，还需要说明的是，除非另有明确的规定和限制，术语“设置”、“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接，可以是机械连接，也可以是电连接，可以是直接连接，也可以是通过中间媒介相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should also be noted that, unless otherwise specified and limited, the terms "installation", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, or It may be detachably connected, or integrally connected, may be mechanically connected, may also be electrically connected, may be directly connected, may also be connected through an intermediary, and may be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.
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