CN114253323A - Fan control system and control method thereof - Google Patents
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Abstract
Description
技术领域technical field
本发明属于风机控制检测技术领域，具体涉及一种风机控制系统及其控制方法。The invention belongs to the technical field of fan control and detection, and in particular relates to a fan control system and a control method thereof.
背景技术Background technique
通风系统广泛应用于矿井、矿山、隧道等场所，是这些场所环境保障非常重要的一个组成部分。现阶段有很多通风系统的工作环境恶劣，安装及维修困难，所以采用无人值守的智能风机控制系统是大势所趋。现有的智能风机控制系统大多数是由温湿度传感器、控制模块、通讯模块、继电器或接触器等组成，利用控制模块采集温湿度传感器数据，利用传感器数据和控制器内预置的控制逻辑对继电器或接触器发送控制命令，以达到控制风机的目的，利用通讯模块上报状态信息及接收控制命令。现有技术中的风机控制系统功能相对比较单一，控制模式确定后，以传感器的数据输入作为唯一的控制量来源进行控制，且风机转向也只能是向着一个方向转动。Ventilation systems are widely used in mines, mines, tunnels and other places, and are a very important part of the environmental protection of these places. At this stage, many ventilation systems have a harsh working environment and are difficult to install and maintain. Therefore, it is the general trend to adopt an unattended intelligent fan control system. Most of the existing intelligent fan control systems are composed of temperature and humidity sensors, control modules, communication modules, relays or contactors. The relay or contactor sends control commands to achieve the purpose of controlling the fan, and uses the communication module to report status information and receive control commands. The fan control system in the prior art has relatively simple functions. After the control mode is determined, the data input from the sensor is used as the only source of control quantity for control, and the fan can only rotate in one direction.
发明内容SUMMARY OF THE INVENTION
本发明克服现有技术的不足，本发明提供一种风机控制系统及其控制方法。The present invention overcomes the deficiencies of the prior art, and provides a fan control system and a control method thereof.
本发明提供一种风机控制系统，风机控制系统与至少一个风机电气连接，以控制风机工作在预先设定的工作模式，风机控制系统包括：初始化模块、中断模块、电源缺相检测模块、工作状态识别模块、传感器模块、警报模块、通讯模块、控制模块；其中，The invention provides a fan control system. The fan control system is electrically connected with at least one fan to control the fan to work in a preset working mode. The fan control system includes: an initialization module, an interruption module, a power phase loss detection module, a working state Identification module, sensor module, alarm module, communication module, control module; among them,
初始化模块用于对风机控制系统的变量、输出量、寄存器进行初始化，并将初始化信息传送至控制模块；The initialization module is used to initialize the variables, outputs and registers of the fan control system, and transmit the initialization information to the control module;
中断模块利用定时中断在预定时间内完成电源缺相检测、温度数据读取、工作状态识别、控制逻辑执行、状态判断及数据上传；The interrupt module uses timing interrupt to complete power supply phase loss detection, temperature data reading, working status identification, control logic execution, status judgment and data upload within a predetermined time;
电源缺相检测模块用于判断电源是否正常工作，并将缺相信息传送至控制模块；The power supply phase loss detection module is used to judge whether the power supply is working normally, and transmit the phase loss information to the control module;
工作状态识别模块用于识别工作模式，并将风机控制系统的状态信息传送至控制模块；The working status identification module is used to identify the working mode and transmit the status information of the fan control system to the control module;
传感器模块用于采集风机工作的电流值、风机转速、风机的工作环境温度值，并分别传送至控制模块；The sensor module is used to collect the current value of the fan, the speed of the fan, and the temperature value of the working environment of the fan, and send them to the control module respectively;
控制模块用于实现初始化模块、中断模块、工作状态识别模块、传感器模块、通讯模块之间的数据交互，并根据温度值、电流值、通讯模块信息、状态信息产生相应的控制信号，控制信号控制至风机工作在相应的工作模式或向报警模块发送报警信号；The control module is used to realize the data interaction between the initialization module, the interrupt module, the working state identification module, the sensor module and the communication module, and generate corresponding control signals according to the temperature value, current value, communication module information and status information. Until the fan works in the corresponding working mode or send an alarm signal to the alarm module;
报警模块用于风机控制系统的温度报警、风机的故障报警和电源的缺相报警；The alarm module is used for the temperature alarm of the fan control system, the fault alarm of the fan and the phase loss alarm of the power supply;
通讯模块用于向控制模块发送远程控制信号，同时向上位机发送状态信息。The communication module is used to send remote control signals to the control module, and at the same time send status information to the upper computer.
进一步地，工作模式包括：本地自动工作模式、本地手动工作模式、遥控遥测工作模式。Further, the working modes include: a local automatic working mode, a local manual working mode, and a remote control telemetry working mode.
进一步地，还包括用于显示风机的工作模式的显示模块。Further, a display module for displaying the working mode of the fan is also included.
本发明还提供一种风机控制方法，风机控制方法包括如下步骤：The present invention also provides a fan control method, which includes the following steps:
S1、初始化模块初始化风机控制系统的变量、输出量、寄存器；S1. The initialization module initializes the variables, outputs and registers of the fan control system;
S2、中断模块根据电源每项的电压信息判断电源的缺相信息，中断模块根据电压信息数据判断电源的缺相信息，控制模块根据缺相信息判断风机是否需要停止工作；S2. The interruption module judges the phase loss information of the power supply according to the voltage information of each item of the power supply, the interruption module judges the phase loss information of the power supply according to the voltage information data, and the control module judges whether the fan needs to stop working according to the phase loss information;
S3、工作状态识别模块根据模式开关识别工作模式，控制模块对工作模式和传感器模块的数据信息进行分析得到分析结果；S3. The working state identification module identifies the working mode according to the mode switch, and the control module analyzes the working mode and the data information of the sensor module to obtain the analysis result;
S4、控制单元根据分析结果控制风机工作，或根据分析结果向警报模块发送报警控制信号，进而实现风机的状态检测、故障诊断、故障报警，并根据电流传感器的值与给相应风机的控制信号相关性判断每台风机的工作状态，如果状态异常则发出报警指示。S4. The control unit controls the work of the fan according to the analysis result, or sends an alarm control signal to the alarm module according to the analysis result, thereby realizing the state detection, fault diagnosis and fault alarm of the fan, and is related to the control signal to the corresponding fan according to the value of the current sensor It can judge the working status of each fan, and if the status is abnormal, it will issue an alarm indication.
进一步地，步骤S2具体包括以下步骤：Further, step S2 specifically includes the following steps:
中断模块根据中断模块根据电源每项的电压信息判断电源的缺相信息，当电源处于缺相状态时，控制模块发送停止信号至相应的风机的电源，电源停止工作，同时控制模块发送报警信号至显示模块；当风机的电源未处于缺相状态时，控制模块发送工作信号至风机的电源，电源正常工作。The interruption module judges the phase loss information of the power supply according to the voltage information of each item of the power supply according to the interruption module. When the power supply is in a phase loss state, the control module sends a stop signal to the power supply of the corresponding fan, the power supply stops working, and the control module sends an alarm signal to the Display module; when the power supply of the fan is not in a phase loss state, the control module sends a working signal to the power supply of the fan, and the power supply works normally.
进一步地，步骤S3具体包括以下步骤：Further, step S3 specifically includes the following steps:
S301、工作状态识别模块根据模式开关所处的状态识别工作模式；S301, the working state identification module identifies the working mode according to the state of the mode switch;
S302、当工作模式为本地自动工作模式时，控制模块根据采集的风机工作环境的温度值，并比较风机的工作温度值与设定的风机的工作温度阈值，根据温度值和比较结果来控制风机正转、反转或停止；S302. When the working mode is the local automatic working mode, the control module compares the working temperature value of the fan with the set working temperature threshold value of the fan according to the collected temperature value of the working environment of the fan, and controls the fan according to the temperature value and the comparison result. Forward, reverse or stop;
当工作模式为本地手动工作模式时，控制模块读取风机的控制开关状态值，根据风机控制开关状态值控制相应的风机正转、反转、停止；When the working mode is the local manual working mode, the control module reads the control switch state value of the fan, and controls the corresponding fan to rotate forward, reverse and stop according to the state value of the fan control switch;
当工作模式为遥控遥测工作模式时，控制模块根据通讯模块发送的控制信号控制风机的正转、反转或停止。When the working mode is the remote control and telemetry working mode, the control module controls the forward rotation, reverse rotation or stop of the fan according to the control signal sent by the communication module.
与现有技术相比，本发明的有益效果为：Compared with the prior art, the beneficial effects of the present invention are:
本发明提供一种风机控制系统及其控制方法，通过实时监控风机的工作温度、工作环境温度、工作电流值和风机的转速，控制风机的状态工作，并能够实时掌握风机的工作性能，通过设置本地自动工作模式、本地手动工作模式、遥控遥测工作模式三种工作模式，能够控制风机实现正、反转。通过本发明提供的风机控制系统及其控制方法所控制的风机功能更齐全、应用范围更广。The invention provides a fan control system and a control method thereof. By monitoring the working temperature of the fan, the working environment temperature, the working current value and the rotating speed of the fan in real time, the state of the fan can be controlled, and the working performance of the fan can be grasped in real time. There are three working modes: local automatic working mode, local manual working mode and remote control telemetry working mode, which can control the fan to realize forward and reverse. The fan controlled by the fan control system and the control method provided by the present invention has more complete functions and wider application range.
附图说明Description of drawings
图1是本发明实施例1中的风机控制系统的三维外观示意图；Fig. 1 is the three-dimensional appearance schematic diagram of the fan control system in Embodiment 1 of the present invention;
图2是本发明实施例2中的风机控制方法的程序流程示意图；Fig. 2 is the program flow schematic diagram of the fan control method in Embodiment 2 of the present invention;
图3是本发明实施例2中的风机控制方法的流程示意图。FIG. 3 is a schematic flowchart of a fan control method in Embodiment 2 of the present invention.
具体实施方式Detailed ways
下面结合附图和实施例对本发明的实施方式作进一步详细描述。需要说明的是，在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互结合。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
下面将结合实施例对本发明提供的一种风机控制系统进行详细说明。A fan control system provided by the present invention will be described in detail below with reference to the embodiments.
实施例1：风机控制系统Example 1: Fan Control System
图1示出了本发明实施例1中的风机控制系统的三维外观示意图。FIG. 1 shows a three-dimensional appearance schematic diagram of the fan control system in Embodiment 1 of the present invention.
本发明实施例1提供一种风机控制系统，风机控制系统与四个风机电气连接，以控制风机工作在预先设定的工作模式，风机控制系统包括：初始化模块、中断模块、工作状态识别模块、传感器模块、警报模块、通讯模块、控制模块、显示模块。初始化模块用于对风机控制系统的变量、输出量、寄存器进行初始化，并将初始化信息传送至控制模块；中断模块用于根据温度数据判断风机的电源的缺相信息，并将缺相信息传送至控制模块；工作状态识别模块用于识别工作模式，并将状态信息传送至控制模块，模式开关有3个端子，每种状态的3个端子上的电平信号不同，把这3个端子上的电平信号接入工作状态识别模块，工作状态识别模块根据这3个电平信号能判断出相应的状态；传感器模块用于采集风机工作的电流值、风机工作环境的温度值，并将包含温度值、电流值的数据信息传送至控制模块；传感器模块通过发光管和接收管来采集风机的转动信息，在待测风机的外边缘加一对光谱匹配的发光管和接收管，当风机转动时，风机的叶轮会使这一对发光管与接收管之间的光路通、断交替，利用传感器模块测量出交替时间，从而计算出风机转速；控制模块用于初始化模块、中断模块、工作状态识别模块、传感器模块、通讯模块之间的数据交互，并根据温度值、电流值、通讯模块信息、状态信息产生相应的控制信号，控制信号控制至风机工作在相应的工作模式或向报警模块发送报警信号，并且控制模块还用于接收上位机的控制命令信息，并向上危机发送工作状态信息；通讯模块用于向控制模块发送远程控制信号。电源缺相检测模块检测三项380V电源，利用每相线与中线组成一个220V电源，通过测量该220V电源的通断判断该项是否正常，并将缺相信息传送至控制模块。报警模块用于温度报警、风机故障报警和电源缺相报警。Embodiment 1 of the present invention provides a fan control system. The fan control system is electrically connected to four fans to control the fans to work in a preset working mode. The fan control system includes: an initialization module, an interruption module, a working state identification module, Sensor module, alarm module, communication module, control module, display module. The initialization module is used to initialize the variables, outputs and registers of the fan control system, and transmit the initialization information to the control module; the interrupt module is used to judge the phase loss information of the power supply of the fan according to the temperature data, and transmit the phase loss information to the control module. Control module; the working state identification module is used to identify the working mode and transmit the status information to the control module. The mode switch has 3 terminals, and the level signals on the 3 terminals in each state are different. The level signal is connected to the working state identification module, and the working state identification module can judge the corresponding state according to the three level signals; the sensor module is used to collect the current value of the fan working and the temperature value of the working environment of the fan, and will include the temperature value. The data information of value and current value is sent to the control module; the sensor module collects the rotation information of the fan through the light-emitting tube and the receiving tube, and adds a pair of spectrally matched light-emitting tube and receiving tube to the outer edge of the fan to be tested. When the fan rotates , the impeller of the fan will make the light path between the pair of light-emitting tubes and the receiving tube alternately on and off, and the sensor module is used to measure the alternation time, so as to calculate the fan speed; the control module is used for initialization module, interrupt module, working status identification Data exchange between modules, sensor modules, and communication modules, and generate corresponding control signals according to temperature value, current value, communication module information, and status information. The control signal controls the fan to work in the corresponding working mode or sends an alarm to the alarm module. The control module is also used to receive the control command information of the upper computer and send the working status information to the upper crisis; the communication module is used to send the remote control signal to the control module. The power supply phase loss detection module detects three 380V power supplies, uses each phase line and the neutral line to form a 220V power supply, and judges whether the item is normal by measuring the on-off of the 220V power supply, and transmits the phase loss information to the control module. The alarm module is used for temperature alarm, fan failure alarm and power phase loss alarm.
本发明实施例1中风机控制系统的面板部分，主要有工作模式开关、风机开关、显示模块即风机状态显示灯等部分。工作模式开关为一个三位置状态选择开关，分别显示：本地自动工作模式、本地手动工作模式、遥控遥测工作模式。四个风机开关为三位置风机开关，能够控制风机处于的状态：正转状态、停止状态、反转状态。四个风机故障指示灯以显示风机是否处于正常的工作状态。The panel part of the fan control system in Embodiment 1 of the present invention mainly includes a working mode switch, a fan switch, a display module, that is, a fan status display lamp and the like. The working mode switch is a three-position state selection switch, which displays: local automatic working mode, local manual working mode, and remote control telemetry working mode. The four fan switches are three-position fan switches, which can control the status of the fan: forward rotation, stop status, and reverse rotation. Four fan fault indicators to show whether the fan is in normal working condition.
本发明实施例1提供风机控制系统的工作模式包括：本地自动工作模式、本地手动工作模式、遥控遥测工作模式。三种工作模式，均可以通过显示模块上的控制开关手动控制实现。The working modes of the fan control system provided by Embodiment 1 of the present invention include: a local automatic working mode, a local manual working mode, and a remote control telemetry working mode. The three working modes can be manually controlled by the control switch on the display module.
风机控制系统包括7个连接器，能够实现同时控制4个风机工作。其中，一个型号为Y27C-2604ZJBM为输入电源连接器；两个型号为Y27G-1007ZJBM通讯连接器进行通讯；四个型号为Y27G-1203ZJBM的风机连接器，为风机提供驱动。本发明实施例1提供风机控制系统的外箱体采用不锈钢材料，采用三相四线制380V/35A的交流电源，箱体的厚度为2mm，控制箱长*宽*高为600mm*250mm*800mm，控制箱下面有支撑架，总高1.5m，风机控制系统的三维外观示意图，如图1所示。风机控制系统通过RS422串口进行数据通讯。显示模块不仅能够显示风机控制系统的工作状态，还能够显示所控制各个风机分别所处于的正转状态、停止状态、反转状态、正常工作状态、故障状态。本发明实施例1提供风机控制系统的初始化模块、中断模块、工作状态识别模块、传感器模块、警报模块进行了二次屏蔽处理，能够提高风机控制系统的抗电磁干扰能力。本发明实施例1中的初始化模块、中断模块、电源缺相检测模块、工作状态识别模块、传感器模块、警报模块、通讯模块、控制模块的软件都在型号为DSPVC33的CUP芯片来实现功能，该型号的CPU与FPGA共同使用，能够满足风机控制系统对模拟信号的采集及数字信号的处理，控制模块也可以通过上位机来实现控制功能。本发明实施例1中采用AC/DC模块LD12-20B12实现每相转变为直流，电源缺相检测模块通过该直流电压信号完成电源缺相检测；CPU给DC/DC模块URE2424YMD-10WR3发送控制信号，控制模块URE2424YMD-10WR3是否输出电压，利用模块URE2424YMD-10WR3的输出电压作为型号为LC1D09BDC的继电器的控制信号，通过两级控制来实现控制输出执行；利用测量范围为0～20A AC的交流电流隔离变送器用作电流测量传感器。本发明实施例1中的传感器模块采用型号为DS18B20的数字温度传感器，温度测量精度优于0.5℃。通讯模块用于接收上位机命令，给上位机发送工作状态信息。本发明实施例1中风机控制系统所控制的风机能够根据外环境温度来控制风机的工作，并且有三个工作模式，本地自动工作模式、本地手动工作模式、遥控遥测工作模式，根据需求不仅可以实现手动控制，还能够实现自动定温控制，并且还能够根据实际需求进行远程控制，因此本发明实施例1所提供的风机控制系统功能更齐全、应用范围更广。The fan control system includes 7 connectors, which can control 4 fans at the same time. Among them, one model Y27C-2604ZJBM is the input power connector; two models are Y27G-1007ZJBM communication connectors for communication; four models are Y27G-1203ZJBM fan connectors, which provide drive for fans. Embodiment 1 of the present invention provides an outer box of a fan control system made of stainless steel and a three-phase four-wire 380V/35A AC power supply. The thickness of the box is 2mm, and the length*width*height of the control box is 600mm*250mm*800mm , There is a support frame under the control box, the total height is 1.5m, the three-dimensional appearance schematic diagram of the fan control system, as shown in Figure 1. The fan control system conducts data communication through the RS422 serial port. The display module can not only display the working status of the fan control system, but also the forward rotation status, stop status, reverse rotation status, normal working status and fault status of each fan controlled. Embodiment 1 of the present invention provides that the initialization module, interrupt module, working state identification module, sensor module, and alarm module of the fan control system are subjected to secondary shielding processing, which can improve the anti-electromagnetic interference capability of the fan control system. The software of the initialization module, the interrupt module, the power supply phase loss detection module, the working state identification module, the sensor module, the alarm module, the communication module, and the control module in Embodiment 1 of the present invention are all implemented in the CUP chip of the model DSPVC33. The CPU and FPGA of the model are used together, which can meet the collection of analog signals and the processing of digital signals by the fan control system. The control module can also realize the control function through the host computer. In the first embodiment of the present invention, the AC/DC module LD12-20B12 is used to realize the conversion of each phase to DC, and the power supply phase loss detection module completes the power supply phase loss detection through the DC voltage signal; the CPU sends a control signal to the DC/DC module URE2424YMD-10WR3, Whether the control module URE2424YMD-10WR3 outputs voltage, the output voltage of the module URE2424YMD-10WR3 is used as the control signal of the relay model LC1D09BDC, and the control output is implemented through two-stage control; the AC current isolation transformer with a measurement range of 0~20A AC is used. The transmitter is used as a current measurement sensor. The sensor module in Embodiment 1 of the present invention adopts a digital temperature sensor with a model of DS18B20, and the temperature measurement accuracy is better than 0.5°C. The communication module is used to receive commands from the upper computer and send working status information to the upper computer. The fan controlled by the fan control system in Embodiment 1 of the present invention can control the operation of the fan according to the external ambient temperature, and has three working modes, local automatic working mode, local manual working mode, and remote control telemetry working mode. Manual control can also realize automatic constant temperature control, and can also perform remote control according to actual needs. Therefore, the fan control system provided in Embodiment 1 of the present invention has more complete functions and wider application range.
实施例2：风机控制方法Embodiment 2: Fan control method
图2示出了本发明实施例2中的风机控制方法的程序流程示意图。图3示出了本发明实施例2中的风机控制方法的流程示意图。FIG. 2 shows a schematic flowchart of the program flow of the fan control method in Embodiment 2 of the present invention. FIG. 3 shows a schematic flowchart of a fan control method in Embodiment 2 of the present invention.
本发明实施例2提供一种风机控制方法，如图2和图3所示，包括如下步骤：Embodiment 2 of the present invention provides a fan control method, as shown in FIG. 2 and FIG. 3 , including the following steps:
S1、初始化模块初始化风机控制系统的变量、输出量、寄存器。S1. The initialization module initializes the variables, outputs and registers of the fan control system.
S2、中断模块根据电源每项的电压信息判断电源的缺相信息，中断模块根据温度数据判断电源的缺相信息，控制模块根据缺相信息判断风机是否需要停止工作。S2. The interruption module judges the phase loss information of the power supply according to the voltage information of each item of the power supply, the interruption module judges the phase loss information of the power supply according to the temperature data, and the control module judges whether the fan needs to stop working according to the phase loss information.
控制模块发出信号至中断模块，中断模块根据电源每项的电压信息数据判断电源的缺相信息，当风机的电源处于缺相状态时，控制模块发送停止信号至相应风机的电源，电源停止工作，同时控制模块发送报警信号至显示模块。当风机的电源未处于缺相状态时，控制模块发送工作信号至风机的电源，电源正常工作。如果电源缺项，则相应的风机停止工作，这种状态风机也是正常的。如果电源不缺项，是以给风机的控制命令、风机的转速、风机的工作电流综合来判断风机工作是否正常。The control module sends a signal to the interruption module, and the interruption module judges the phase loss information of the power supply according to the voltage information data of each item of the power supply. When the power supply of the fan is in a phase loss state, the control module sends a stop signal to the power supply of the corresponding fan, and the power supply stops working. At the same time, the control module sends an alarm signal to the display module. When the power supply of the fan is not in a phase loss state, the control module sends a working signal to the power supply of the fan, and the power supply works normally. If the power supply is missing, the corresponding fan stops working, and the fan is also normal in this state. If the power supply is not lacking, the control command to the fan, the speed of the fan, and the working current of the fan are combined to judge whether the fan is working normally.
S3、工作状态识别模块根据模式开关识别工作模式，控制模块对工作模式和传感器模块的数据信息进行分析并获取分析结果。S3. The working state identification module identifies the working mode according to the mode switch, and the control module analyzes the working mode and the data information of the sensor module and obtains the analysis result.
S301、工作状态识别模块根据模式开关处于的状态识别工作模式。S301. The working state identification module identifies the working mode according to the state of the mode switch.
工作状态识别模块根据模式开关处于的状态识别工作模式，判断工作状态。The working state identification module identifies the working mode according to the state the mode switch is in, and judges the working state.
S302、当工作模式为本地自动工作模式时，控制模块根据采集的风机工作环境的温度值，并比较风机的工作温度值与设定的风机的工作温度阈值，根据温度值和比较结果来控制风机正转、反转或停止。S302. When the working mode is the local automatic working mode, the control module compares the working temperature value of the fan with the set working temperature threshold value of the fan according to the collected temperature value of the working environment of the fan, and controls the fan according to the temperature value and the comparison result. Forward, reverse or stop.
当工作模式为本地手动工作模式时，控制模块读取风机的控制开关状态值，根据风机控制开关状态值控制相应的风机正转、反转、停止。When the working mode is the local manual working mode, the control module reads the control switch state value of the fan, and controls the corresponding fan to rotate forward, reverse and stop according to the state value of the fan control switch.
当工作模式为遥控遥测工作模式时，控制模块根据通讯模块发送的控制信号控制风机的正转、反转或停止。When the working mode is the remote control and telemetry working mode, the control module controls the forward rotation, reverse rotation or stop of the fan according to the control signal sent by the communication module.
识别工作模式后，传感器模块测量环境温度，当工作模式为本地自动工作模式时，控制模块根据测量风机的工作温度值和预先设定的风机的工作温度阈值，给相应的风机发送控制信号，同时读取风机的状态信息。根据控制模块的控制信号给显示模块发送控制命令，显示相应的状态信息。当工作模式为本地手动工作模式时，读取显示模块四个风机开关的状态信息，控制模块根据控制信息发送控制命令，至显示模块。当处于遥控遥测工作模式时，通过与控制模块的通讯接口同时接收控制模块和通讯模块的控制信号。如果控制模块的控制信号有效，则通讯模块的控制信号自动失效；当控制模块没有发送控制信号或者控制信号无效同时通讯模块的控制信号有效，此时执行通讯模块的控制命令。也可以根据控制模块的控制信号给显示模块发送控制命令，显示相应的状态信息。After identifying the working mode, the sensor module measures the ambient temperature. When the working mode is the local automatic working mode, the control module sends a control signal to the corresponding fan according to the measured working temperature value of the fan and the preset working temperature threshold of the fan. Read the status information of the fan. According to the control signal of the control module, the control command is sent to the display module to display the corresponding status information. When the working mode is the local manual working mode, the state information of the four fan switches of the display module is read, and the control module sends control commands to the display module according to the control information. When in the remote control telemetry working mode, the control signal of the control module and the communication module is simultaneously received through the communication interface with the control module. If the control signal of the control module is valid, the control signal of the communication module is automatically invalid; when the control module does not send the control signal or the control signal is invalid and the control signal of the communication module is valid, the control command of the communication module is executed at this time. It is also possible to send a control command to the display module according to the control signal of the control module to display the corresponding status information.
S4、控制单元根据分析结果控制风机工作，或根据结果向警报模块发送报警控制信号，进而实现风机的状态检测、故障诊断、故障报警。并根据电流传感器的值与给相应风机的控制信号相关性判断每台风机的工作状态，如果状态异常则发出报警指示。S4. The control unit controls the operation of the fan according to the analysis result, or sends an alarm control signal to the alarm module according to the result, thereby realizing the state detection, fault diagnosis and fault alarm of the fan. According to the correlation between the value of the current sensor and the control signal to the corresponding fan, the working state of each fan is judged, and an alarm indication is issued if the state is abnormal.
本发明实施例2中风机控制方法所控制的风机能够根据外环境温度来控制风机的工作，并且有三个工作模式，本地自动工作模式、本地手动工作模式、遥控遥测工作模式，根据需求不仅可以实现手动控制，还能够实现自动定温控制，并且还能够根据实际需求进行远程控制，因此本发明实施例2所提供的风机控制方法功能更齐全、应用范围更广，并且还能够自动检测风机的工作温度、工作电流，并根据工作温度和电流进行报警，节省了人工监护成本。The fan controlled by the fan control method in Embodiment 2 of the present invention can control the operation of the fan according to the external ambient temperature, and has three working modes, the local automatic working mode, the local manual working mode, and the remote control telemetry working mode. Manual control can also realize automatic constant temperature control, and can also perform remote control according to actual needs. Therefore, the fan control method provided in Embodiment 2 of the present invention has more complete functions and wider application range, and can also automatically detect the working temperature of the fan , working current, and alarm according to working temperature and current, saving the cost of manual monitoring.
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制。本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。Although the embodiments of the present invention have been shown and described above, it is to be understood that the above-described embodiments are exemplary and should not be construed to limit the present invention. Variations, modifications, substitutions, and alterations to the above-described embodiments can be made by those of ordinary skill in the art within the scope of the present invention.
以上本发明的具体实施方式，并不构成对本发明保护范围的限定。任何根据本发明的技术构思所做出的各种其他相应的改变与变形，均应包含在本发明权利要求的保护范围内。The above specific embodiments of the present invention do not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made according to the technical concept of the present invention shall be included in the protection scope of the claims of the present invention.
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| CN109505794A (en) * | 2018-11-26 | 2019-03-22 | 中国科学院长春光学精密机械与物理研究所 | A kind of fan trouble anticipation system and method |
| CN211351819U (en) * | 2020-03-30 | 2020-08-25 | 福州万舸动力设备有限公司 | Local and remote control device of three-power-supply change-over switch |
| CN214151471U (en) * | 2020-12-10 | 2021-09-07 | 山西省侯马市鑫丰康风机有限公司 | Intelligent management and control system for ventilator |
| CN215058390U (en) * | 2021-04-30 | 2021-12-07 | 山东省建筑设计研究院有限公司 | Novel fan controller |
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