WO2023155598A1 - Transfer point chute blockage detection system based on dynamic material measurement - Google Patents
Transfer point chute blockage detection system based on dynamic material measurement Download PDFInfo
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- WO2023155598A1 WO2023155598A1 PCT/CN2022/141892 CN2022141892W WO2023155598A1 WO 2023155598 A1 WO2023155598 A1 WO 2023155598A1 CN 2022141892 W CN2022141892 W CN 2022141892W WO 2023155598 A1 WO2023155598 A1 WO 2023155598A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the invention relates to the field of blockage detection of a chute at a transfer point, in particular to a blockage detection system for a chute at a transfer point based on dynamic metering of materials.
- the object of the present invention is to provide a chute clogging detection system at a reloading point based on dynamic metering of materials, aiming to solve the clogging detection of chute at a reloading point based on dynamic metering of materials.
- the invention provides a chute clogging detection system at a transfer point based on dynamic material measurement, including:
- Conveyor module transfer point chute, signal acquisition roller group, signal acquisition module and control module;
- the conveying module is used for conveying materials, and the conveying module includes: a first conveyor and a second conveyor, the first conveyor is provided with a first diverting roller and a first driving roller, and the second conveyor is provided with There are a second redirection pulley and a second drive pulley;
- the transfer point chute is arranged between the delivery outlet of the first conveyor belt and the discharge point of the second conveyor belt, and is used to transport the materials between the first conveyor and the second conveyor;
- the signal acquisition idler group is connected with the signal acquisition module, and is set before the conveyor blanking point, at a position above the distance between the upper idler group that is 4 times the distance from the reversing drum, and is used for the signal acquisition module to collect signal acquisition on the idler group. material information;
- the signal collection module is connected with the control module, and is arranged before the first conveyor and the second conveyor drop point, and is used to collect material information and send the material information to the control module;
- the control module is connected with the conveying module, and is used for receiving the material information sent by the signal acquisition module for calculation, and judging the blockage of the transfer point chute according to the calculation.
- the conveyor installed outside the chute is not affected by the working environment inside the chute, and the clogging of the chute is detected through real-time comparison and analysis of the flow of materials, the detection range is adjustable, and the detection accuracy is high.
- Fig. 1 is a schematic structural view of a chute clogging detection system at a transfer point based on dynamic material metering according to an embodiment of the present invention
- Fig. 2 is a working flow chart of the chute clogging detection system at the transfer point based on the dynamic metering of materials according to the embodiment of the present invention.
- FIG. 1 a schematic structural diagram of a chute blockage detection system at a transfer point based on dynamic material measurement is provided, as shown in FIG. 1 , which specifically includes:
- Conveyor module transfer point chute, signal acquisition roller group, signal acquisition module and control module;
- the conveying module is used for conveying materials, and the conveying module includes: a first conveyor and a second conveyor, the first conveyor is provided with a first diverting roller and a first driving roller, and the second conveyor is provided with There are a second redirection pulley and a second drive pulley;
- the transfer point chute is arranged between the delivery outlet of the first conveyor belt and the discharge point of the second conveyor belt, and is used to transport the materials between the first conveyor and the second conveyor;
- the signal acquisition idler group is connected with the signal acquisition module, and is set before the conveyor blanking point, at a position above the distance between the upper idler group that is 4 times the distance from the reversing drum, and is used for the signal acquisition module to collect signal acquisition on the idler group. material information;
- the signal acquisition roller group is specifically used for: after detecting the weight of the material on the conveyor, a voltage signal proportional to the belt load is generated by the leverage and the load cell, which is converted into a digital signal by the A/D analog-to-digital conversion device and sent to the control unit. module.
- the signal collection module is connected with the control module, and is arranged before the first conveyor and the second conveyor drop point, and is used to collect material information and send the material information to the control module;
- the signal acquisition module includes:
- the first belt scale is arranged under the idler group for signal collection of the first conveyor
- the second belt scale is arranged under the idler group for signal collection of the second conveyor;
- the belt scale is provided with a load cell and a speed sensor
- the first belt scale is set as the first weighing sensor, which is used to detect the first conveyor signal, collect the material weight information and time information on the idler group and send the weight information and time information to the control module, and the first speed sensor Used to detect the belt speed v1 of the first conveyor and send it to the control module;
- the second belt scale is set as a second weighing sensor, which is used to detect the signal on the second conveyor, collect the material weight information and time information on the idler group, and send the weight information and time information to the control module.
- the second speed sensor is used It is used to detect the belt speed v2 of the second conveyor and send it to the control module.
- the control module is connected with the conveying module, and is used for receiving the material information sent by the signal acquisition module for calculation, and judging the blockage of the transfer point chute according to the calculation.
- the control module is specifically used to calculate the instantaneous flow rate of the first conveyor and the instantaneous flow data of the second conveyor through an algorithm, and then judge the blockage of the transfer point chute by comparing the material flow changes on the first conveyor and the second conveyor.
- Q 1 (t) is the instantaneous flow rate of the first conveyor
- Q 2 (t) is the instantaneous flow rate of the second conveyor
- t 1 is the time when the first belt scale receives the incoming signal
- t 2 is the second belt scale
- q 1 is the load capacity per unit length of the first conveyor
- q 2 is the load capacity per unit length of the second conveyor
- T is the time when the unit material passes through the belt scale to calculate the instantaneous moment of the first conveyor
- the flow rate and the instantaneous flow data of the second conveyor and then by comparing the material flow changes on the first conveyor and the second conveyor, judge the blockage of the transfer point chute.
- the time t 1 when the first belt scale receives the incoming signal and the time t 2 when the second belt scale receives the incoming signal are checked through the self-learning function.
- the control module is also used to: calculate the difference ⁇ Q between Q 1 (t) and Q 2 (t), judge the blocking state according to ⁇ Q, send an alarm or control or stop signal to the conveying module according to the blocking state, and judge that the blocking has reached the warning When the conditions are met, send a control signal to the conveying module to reduce the pre-sequence feeding; when it is judged that the material is seriously blocked, send a signal to stop conveying to the conveying module, and prompt or display the state information of the blocked material.
- the control module is specifically used to: set the warning conditions according to the internal structure design of the material guide trough, and when it is judged that the blocking material reaches the warning conditions, send a control signal to the conveying module to reduce the pre-sequence feeding.
- the signal collecting roller groups before and after the installation positions of the first belt scale and the second belt scale are arranged in the same horizontal plane.
- Fig. 2 is the working flow diagram of the chute clogging detection system at the transfer point based on the dynamic metering of materials according to the embodiment of the present invention
- the present invention provides a chute clogging detection system at transfer point based on dynamic metering of materials, which includes a conveying system for conveying materials, a control system for detecting material flow, and a transfer point
- the chute wherein the controller makes a judgment on the blocking state according to the flow change in the detection material conveying system, has the function of prompting or displaying the blocking state information, and can directly send an alarm, control or shutdown signal according to the blocking state.
- the conveying system includes a first conveyor, a second conveyor, and a control system connected to the first and second conveyors, and the first conveyor is provided with a first driving roller and a first modified conveyor.
- the second conveyor is provided with a second driving roller and a second diverting roller.
- the conveyors are provided with signal collection idler groups, and the signal collection idler groups are arranged before the feeding point of the conveyor, at a position above the distance between the upper idler groups that is 4 times the distance from the redirection drum
- a control system is connected below the signal collection idler group, and when the material passes through the conveyor belt above the signal collection idler group during the conveying process, the control system can receive the signal collection material information on the idler group.
- the control system includes a first belt scale arranged under the signal collection idler group of the first conveyor, a second belt scale arranged under the signal collection idler group of the second conveyor, and a control system
- the belt scales are equipped with a load cell and a speed sensor, wherein the first belt scale is set as a first load cell, which is used to detect the weight of the material on the signal collection roller group on the first conveyor, and the first The speed sensor is used to detect the belt speed v1 of the first conveyor; the second belt scale is set as a second load cell, which is used to detect the weight of the material on the signal collection idler group on the second conveyor, and the second speed sensor is used It is used to detect the belt speed v 2 of the second conveyor.
- the material weight information of the first conveyor and the second conveyor collected by the load cell is sent to the controller in the form of a current or voltage signal, and at the same time, the collected conveyor belt speed information and The time information is sent to the controller, and the controller calculates and compares the data.
- the controller calculates the instantaneous flow rate of the first conveyor and the instantaneous flow data of the second conveyor through an algorithm, and then judges the transfer point by comparing the material flow changes on the first conveyor and the second conveyor Chute blockage.
- the algorithm is:
- Q1 is the instantaneous flow rate of the first conveyor
- Q2 is the instantaneous flow rate of the first conveyor
- t1 is the time for the first belt scale to receive the incoming signal
- t2 is the time for the second belt scale to receive the incoming signal
- q 1 is the load capacity per unit length of the first conveyor
- q 2 is the load capacity per unit length of the second conveyor
- T is the time for the unit material to pass through the belt scale.
- the first signal collecting idler group detects the weight of the material on the first conveyor, and acts on the first load cell through leverage to generate a voltage signal proportional to the belt load, which is passed through the A/D
- the analog-to-digital conversion device converts the digital signal and sends it to the controller.
- q 1 (t) is the instantaneous load value of the material on the first belt scale
- v 1 (t) is the instantaneous belt speed value
- t 1 is the material reaching the first belt scale.
- the time of a belt scale is the time when the first belt scale receives the incoming signal.
- the lengths of the first and second conveyors are L 1 and L 2 respectively, and the belt speeds are v 1 and v 2 respectively, and the first belt scale is installed on the first conveyor to receive materials. Before the point, it is X 1 away from the first diverting roller; the second belt scale is installed in front of the receiving point of the second conveyor, and it is X 2 away from the second diverting roller.
- b 1 and b 2 are respectively the distances between the receiving point of the first and second conveyors and the redirecting roller at the tail, the time for the first and second belt scales to receive the incoming signal is t 1 and t 2 respectively, and the time for passing through the chute at the transfer point is t 3 , and then the time when the material reaches the second belt scale can be obtained.
- control system when the control system collects the material weight changes on the first conveyor and the second conveyor through the load cell, it can receive the incoming signal time t 1 for the first belt scale and the second belt scale receives Incoming signal time t2 is checked by the system self-learning function.
- the controller judges the blocking state according to the difference ⁇ Q between Q1 and Q2 , and has the function of prompting or displaying the blocking state information, and can directly send an alarm, control or shut down according to the blocking state Signal.
- a control signal is sent to reduce the pre-sequence feeding control; when it is judged that the blocking material is serious, a signal to stop feeding can be sent directly, and the blocking material warning condition is ⁇ Q>0.3Q 1 (t)
- an alarm signal is given to intervene in the pre-sequence flow to reduce the pre-sequence flow.
- the control system makes a judgment on the blocking state according to the detection difference, and has the function of prompting or displaying the blocking state information. Including but not limited to the following judgment methods, for example: less than 10% belongs to the normal fluctuation range, greater than or equal to 10% and less than 30% belongs to mild blockage, and greater than 30% gives a blockage alarm and prompts the system to reduce the pre-sequence feeding control. According to the demand, it can be displayed on real-time screen or by data.
- the control system participates in the control of the material conveying system. According to the detected material blocking state, it sends an alarm signal to the material conveying system. When the material blocking exceeds the limit value, it controls the previous incoming material system. Reduce the feeding, and when the serious blockage is detected, the feeding system can be stopped directly.
- the groups of idlers before and after the installation positions of the first belt scale and the second belt scale are arranged in the same horizontal plane.
- the first belt scale and the second belt scale are installed on the first conveyor and the second conveyor respectively, at a position above the distance between the upper roller group that is more than 4 times the distance from the blanking point, and the first belt scale Try to be on a horizontal line with more than a dozen sets of idlers near the installation position of the second belt scale, so as to keep the force on the idlers above the belt scale even.
- the working process of the present invention is as shown in Figure 2: firstly, a group of belt scales are respectively installed on the first conveyor and the second conveyor to collect the flow information of the material; secondly, when the material passes through the first belt scale, the signal acquisition The idler group detects the weight of the material on the conveyor through the leverage and the load cell to generate a voltage signal proportional to the belt load, which is converted into a digital signal by the A/D analog-to-digital conversion device and sent to the controller. At the same time, the speed sensor will generate The speed pulse signal is sent directly to the controller. After the material passes through the first belt scale, it reaches the second belt scale after a period of ⁇ T.
- the second belt scale sends the collected material information to the controller; again, the controller receives two sets of belt scales After the information collected by the scale, it is calculated, compared and analyzed; finally, according to the difference or the percentage of the difference between the two groups of material flow, the control system sends out an alarm or shutdown signal.
- a camera is used to capture the material section and calculate material flow.
- any technical content that includes a detection system that is usefully arranged outside the transfer point chute and compares the flow differences on different conveyor belts and other technical features is within the protection scope of the present invention.
- the foregoing embodiment is only a form of realization of the technology for detecting blockage of the transfer point chute provided by the present invention. According to other variations of the solution provided by the present invention, the components or steps thereof are increased or decreased, or the present invention is used for other related The technical fields that the present invention is close to all belong to the protection scope of the present invention.
Abstract
A transfer point chute blockage detection system based on dynamic material measurement. The system comprises: a conveying module, a transfer point chute (1), a signal collection carrier roller group (10), a signal collection module and a control module, wherein the control module determines a material blocking state according to measured material flow change situations at fixed-point positions on a first conveyor (8) and a second conveyor (9), has a material blocking state information prompt or display function, and can directly send an alarm, control or stop signal according to the material blocking state. The detection system is installed on a conveyor outside a chute, is not affected by the operation environment in the chute, performs chute blockage detection by means of real-time comparison and analysis of material flows, and has an adjustable detection range and a high detection precision.
Description
本发明涉及一种转载点溜槽堵塞检测领域，尤其是涉及一种基于物料动态计量的转载点溜槽堵塞检测系统。The invention relates to the field of blockage detection of a chute at a transfer point, in particular to a blockage detection system for a chute at a transfer point based on dynamic metering of materials.
随着我国经济发展方式的转变，煤炭行业也由粗放的生产方式向集约化、精细化方向转型，智能化运输成为煤炭安全高效运输的发展方向与必然趋势。在煤炭行业，刮板运输机和带式运输机是物料运输的重要设备，且各设备之间需要通过溜槽来转载物料。然而，其转载点溜槽往往因为结构组成、物料特性等多方面原因而发生堵塞。在传统的生产流程中，每条皮带需配备一名岗位工,在开车时不停地巡视整条皮带，预防各种事故的发生。堵塞发生后，控制系统若不能及时停车，轻则影响生产效率，重则会造成撕扯或拽断输送带、损坏滚筒和烧毁电机等事故，不但无法实现减人，还会给企业造成安全隐患，直接和间接经济损失大。With the transformation of my country's economic development mode, the coal industry has also transformed from an extensive production mode to an intensive and refined direction, and intelligent transportation has become the development direction and inevitable trend of safe and efficient transportation of coal. In the coal industry, scraper conveyors and belt conveyors are important equipment for material transportation, and chutes are required to transfer materials between each equipment. However, the chute at the transfer point is often blocked due to various reasons such as structural composition and material characteristics. In the traditional production process, each belt needs to be equipped with a post worker who constantly inspects the entire belt while driving to prevent various accidents. After the blockage occurs, if the control system cannot stop in time, it will affect the production efficiency at least, and it will cause accidents such as tearing or breaking the conveyor belt, damaging the roller and burning the motor. Direct and indirect economic losses are large.
随着工业信息化技术的飞速发展，自动检测和自动控制技术显示出了强大的优势，为了解决散状物料转载过程中溜槽堵塞的情况，出现了一些溜槽堵塞检测器，安装位置主要在溜槽内部，工作环境比较恶劣。在实际的工程应用中，其检测效果往往受限于安装位置的合理性，不少堵塞检测装置自安装后始终不能发挥应有的作用。With the rapid development of industrial information technology, automatic detection and automatic control technology have shown strong advantages. In order to solve the situation of chute blockage in the process of reloading bulk materials, some chute blockage detectors have appeared, and the installation position is mainly inside the chute. , the working environment is relatively poor. In practical engineering applications, the detection effect is often limited by the rationality of the installation location, and many blockage detection devices have not been able to play their due role since they were installed.
发明内容Contents of the invention
本发明的目的在于提供一种基于物料动态计量的转载点溜槽堵塞检测系统，旨在解决基于物料动态计量的转载点溜槽堵塞检测。The object of the present invention is to provide a chute clogging detection system at a reloading point based on dynamic metering of materials, aiming to solve the clogging detection of chute at a reloading point based on dynamic metering of materials.
本发明提供一种基于物料动态计量的转载点溜槽堵塞检测系统，包括：The invention provides a chute clogging detection system at a transfer point based on dynamic material measurement, including:
输送模块、转载点溜槽、信号采集托辊组、信号采集模块和控制模块；Conveyor module, transfer point chute, signal acquisition roller group, signal acquisition module and control module;
输送模块，用于输送物料，所述输送模块包括：第一输送机和第二输送机，所述第一输送机上设置有第一改向滚筒和第一驱动滚筒，所述第二输送机上设置有第二改向滚筒和第二驱动滚筒；The conveying module is used for conveying materials, and the conveying module includes: a first conveyor and a second conveyor, the first conveyor is provided with a first diverting roller and a first driving roller, and the second conveyor is provided with There are a second redirection pulley and a second drive pulley;
转载点溜槽，设置于第一输送带输送出口和第二输送带落料点之间，用于输送第一输送机和第二输送机之间的物料；The transfer point chute is arranged between the delivery outlet of the first conveyor belt and the discharge point of the second conveyor belt, and is used to transport the materials between the first conveyor and the second conveyor;
信号采集托辊组，与信号采集模块连接，设置在输送机落料点前，距离改向滚筒4倍的上托辊组间距以上位置处，用于信号采集模块采集信号采集托辊组上的物料信息；The signal acquisition idler group is connected with the signal acquisition module, and is set before the conveyor blanking point, at a position above the distance between the upper idler group that is 4 times the distance from the reversing drum, and is used for the signal acquisition module to collect signal acquisition on the idler group. material information;
信号采集模块，与控制模块连接，设置于第一输送机和第二输送机落料点前，用于采集物料信息并将物料信息发送到控制模块；The signal collection module is connected with the control module, and is arranged before the first conveyor and the second conveyor drop point, and is used to collect material information and send the material information to the control module;
控制模块，与输送模块连接，用于接收信号采集模块发送的物料信息进行计算，根据计算判断转载点溜槽堵塞。The control module is connected with the conveying module, and is used for receiving the material information sent by the signal acquisition module for calculation, and judging the blockage of the transfer point chute according to the calculation.
采用本发明实施例，安装在溜槽外部的输送机上，不受溜槽内部工作环境的影响，通过实时对比、分析物料的流量进行溜槽堵塞检测，检测范围可调，检测精度高。Adopting the embodiment of the present invention, the conveyor installed outside the chute is not affected by the working environment inside the chute, and the clogging of the chute is detected through real-time comparison and analysis of the flow of materials, the detection range is adjustable, and the detection accuracy is high.
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其它目的、特征和优点能够更明显易懂，以下特举本发明的具体实施方式。The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the specific embodiments of the present invention are enumerated below.
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative effort.
图1是本发明实施例的基于物料动态计量的转载点溜槽堵塞检测系统的结构示意图；Fig. 1 is a schematic structural view of a chute clogging detection system at a transfer point based on dynamic material metering according to an embodiment of the present invention;
图2是本发明实施例的基于物料动态计量的转载点溜槽堵塞检测系统的工作流程图。Fig. 2 is a working flow chart of the chute clogging detection system at the transfer point based on the dynamic metering of materials according to the embodiment of the present invention.
附图标记说明：Explanation of reference signs:
1-转载点溜槽；2-输送带；31-驱动滚筒；32-改向滚筒；4皮带秤；5测速传感器；6-物料；7-称重传感器；8-第一输送机；9-第二输送机；10-信号采集托辊组。1-transfer point chute; 2-conveyor belt; 31-driving roller; 32-reversing roller; 4 belt scale; 5 speed sensor; 6-material; 7-weighing sensor; 8-first conveyor; 9-the first 2. Conveyor; 10-Signal collection roller group.
下面将结合实施例对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做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 technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
系统实施例System embodiment
根据本发明实施例，提供了一种基于物料动态计量的转载点溜槽堵塞检测系统的结构示意图，如图1所示，具体包括：According to an embodiment of the present invention, a schematic structural diagram of a chute blockage detection system at a transfer point based on dynamic material measurement is provided, as shown in FIG. 1 , which specifically includes:
输送模块、转载点溜槽、信号采集托辊组、信号采集模块和控制模块；Conveyor module, transfer point chute, signal acquisition roller group, signal acquisition module and control module;
输送模块，用于输送物料，所述输送模块包括：第一输送机和第二输送机，所述第一输送机上设置有第一改向滚筒和第一驱动滚筒，所述第二输送机上设置有第二改向滚筒和第二驱动滚筒；The conveying module is used for conveying materials, and the conveying module includes: a first conveyor and a second conveyor, the first conveyor is provided with a first diverting roller and a first driving roller, and the second conveyor is provided with There are a second redirection pulley and a second drive pulley;
转载点溜槽，设置于第一输送带输送出口和第二输送带落料点之间，用于输送第一输送机和第二输送机之间的物料；The transfer point chute is arranged between the delivery outlet of the first conveyor belt and the discharge point of the second conveyor belt, and is used to transport the materials between the first conveyor and the second conveyor;
信号采集托辊组，与信号采集模块连接，设置在输送机落料点前，距离改向滚筒4倍的上托辊组间距以上位置处，用于信号采集模块采集信号采集托辊组上的物料信息；The signal acquisition idler group is connected with the signal acquisition module, and is set before the conveyor blanking point, at a position above the distance between the upper idler group that is 4 times the distance from the reversing drum, and is used for the signal acquisition module to collect signal acquisition on the idler group. material information;
信号采集托辊组具体用于:检测到输送机上的物料重量后，通过杠杆作用与称重传感器产生一个正比于皮带载荷的电压信号，经A/D模数转换装置转换成数字信号发送给控制模块。The signal acquisition roller group is specifically used for: after detecting the weight of the material on the conveyor, a voltage signal proportional to the belt load is generated by the leverage and the load cell, which is converted into a digital signal by the A/D analog-to-digital conversion device and sent to the control unit. module.
信号采集模块，与控制模块连接，设置于第一输送机和第二输送机落料点前，用于采集物料信息并将物料信息发送到控制模块；The signal collection module is connected with the control module, and is arranged before the first conveyor and the second conveyor drop point, and is used to collect material information and send the material information to the control module;
信号采集模块包括：The signal acquisition module includes:
第一皮带秤，设置在第一输送机信号采集托辊组下方；The first belt scale is arranged under the idler group for signal collection of the first conveyor;
第二皮带秤，设置在第二输送机信号采集托辊组下方；The second belt scale is arranged under the idler group for signal collection of the second conveyor;
所述皮带秤上设置有称重传感器和测速传感器；The belt scale is provided with a load cell and a speed sensor;
其中第一皮带秤上设置为第一称重传感器，用于检测第一输送机信号采集托辊组上的物料重量信息和时间信息并将重量信息和时间信息发送到控制模块，第一测速传感器用于检测第一输送机的带速v
1并发送到控制模块；
Wherein the first belt scale is set as the first weighing sensor, which is used to detect the first conveyor signal, collect the material weight information and time information on the idler group and send the weight information and time information to the control module, and the first speed sensor Used to detect the belt speed v1 of the first conveyor and send it to the control module;
第二皮带秤上设置为第二称重传感器，用于检测第二输送机上信号采集托辊组上的物料重量信息和时间信息并将重量信息和时间信息发送到控制模块，第二测速传感器用于检测第二输送机的带速v
2并发送到控制模块。
The second belt scale is set as a second weighing sensor, which is used to detect the signal on the second conveyor, collect the material weight information and time information on the idler group, and send the weight information and time information to the control module. The second speed sensor is used It is used to detect the belt speed v2 of the second conveyor and send it to the control module.
控制模块，与输送模块连接，用于接收信号采集模块发送的物料信息进行计算，根据计算判断转载点溜槽堵塞。The control module is connected with the conveying module, and is used for receiving the material information sent by the signal acquisition module for calculation, and judging the blockage of the transfer point chute according to the calculation.
控制模块具体用于：通过算法计算第一输送机的瞬时流量和第二输送机的瞬时流量数据，再通过对比第一输送机和第二输送机上的物料流量变化，判断转载点溜槽堵塞情况。The control module is specifically used to calculate the instantaneous flow rate of the first conveyor and the instantaneous flow data of the second conveyor through an algorithm, and then judge the blockage of the transfer point chute by comparing the material flow changes on the first conveyor and the second conveyor.
通过pass
其中，Q
1(t)为第一输送机的瞬时流量，Q
2(t)为第二输送机的瞬时流量，t
1为第一皮带秤接收来料信号时间，t
2为第二皮带秤接收来料信号时间，q
1为第一输送机的单位长度载重量，q
2为第二输送机的单位长度载重量，T为单位物料通过皮带秤的时间的算法计算第一输送机的瞬时流量和第二输送机的瞬时流量数据，再通过对比第一输送机和第二输送机上的物料流量变化，判断转载点溜槽堵塞情况。
Among them, Q 1 (t) is the instantaneous flow rate of the first conveyor, Q 2 (t) is the instantaneous flow rate of the second conveyor, t 1 is the time when the first belt scale receives the incoming signal, and t 2 is the second belt scale The time of receiving the incoming signal, q 1 is the load capacity per unit length of the first conveyor, q 2 is the load capacity per unit length of the second conveyor, and T is the time when the unit material passes through the belt scale to calculate the instantaneous moment of the first conveyor The flow rate and the instantaneous flow data of the second conveyor, and then by comparing the material flow changes on the first conveyor and the second conveyor, judge the blockage of the transfer point chute.
在称重传感器采集第一输送机和第二输送机上的物料重量时，对第一皮带秤接收来料信号时间t
1和第二皮带秤接收来料信号时间t
2通过自学习功能校核。
When the load cell collects the weight of the materials on the first conveyor and the second conveyor, the time t 1 when the first belt scale receives the incoming signal and the time t 2 when the second belt scale receives the incoming signal are checked through the self-learning function.
控制模块还用于：计算Q
1(t)与Q
2(t)的差值ΔQ，根据ΔQ判断堵料状态，根据堵料状态发出报警或控制或停机信号到输送模块，判断堵料达到警戒条件时，发出控制信号到输送模块来减少前序给料；判断严重堵料时，发出停止输料信号到输送模块，对堵料状态信息进行提示或显示。
The control module is also used to: calculate the difference ΔQ between Q 1 (t) and Q 2 (t), judge the blocking state according to ΔQ, send an alarm or control or stop signal to the conveying module according to the blocking state, and judge that the blocking has reached the warning When the conditions are met, send a control signal to the conveying module to reduce the pre-sequence feeding; when it is judged that the material is seriously blocked, send a signal to stop conveying to the conveying module, and prompt or display the state information of the blocked material.
控制模块具体用于：根据导料槽内部结构设计设置警戒条件，判断堵料达到警戒条件时，发出控制信号到输送模块来减少前序给料。The control module is specifically used to: set the warning conditions according to the internal structure design of the material guide trough, and when it is judged that the blocking material reaches the warning conditions, send a control signal to the conveying module to reduce the pre-sequence feeding.
第一皮带秤和第二皮带秤安装位置前后的信号采集托辊组，设置在同一个水平面内。The signal collecting roller groups before and after the installation positions of the first belt scale and the second belt scale are arranged in the same horizontal plane.
具体实施如下：The specific implementation is as follows:
图2是本发明实施例的基于物料动态计量的转载点溜槽堵塞检测系统的工作流程图；Fig. 2 is the working flow diagram of the chute clogging detection system at the transfer point based on the dynamic metering of materials according to the embodiment of the present invention;
在如图1的本实施例中，本发明提供了一种基于物料动态计量的转载点溜槽堵塞检测系统，该系统包括用于输送物料的输送系统、用于物料流量检测的控制系统和转载点 溜槽，其中所述控制器根据检测物料输送系统中的流量变化情况做出堵料状态的判断，具备堵料状态信息提示或显示功能，可以直接根据堵料状态发出报警、控制或停机信号。In the present embodiment as shown in Fig. 1, the present invention provides a chute clogging detection system at transfer point based on dynamic metering of materials, which includes a conveying system for conveying materials, a control system for detecting material flow, and a transfer point The chute, wherein the controller makes a judgment on the blocking state according to the flow change in the detection material conveying system, has the function of prompting or displaying the blocking state information, and can directly send an alarm, control or shutdown signal according to the blocking state.
在本实施例中，所述输送系统包括第一输送机、第二输送机、连接在第一和第二输送机上的控制系统，所述第一输送机上设置有第一驱动滚筒和第一改向滚筒，所述第二输送机上设置有第二驱动滚筒和第二改向滚筒。In this embodiment, the conveying system includes a first conveyor, a second conveyor, and a control system connected to the first and second conveyors, and the first conveyor is provided with a first driving roller and a first modified conveyor. The second conveyor is provided with a second driving roller and a second diverting roller.
在本实施例中，所述输送机上均设置有信号采集托辊组，所述信号采集托辊组设置在输送机落料点前，距离改向滚筒4倍的上托辊组间距以上位置处，所述信号采集托辊组下方连接有控制系统，输送过程中物料通过信号采集托辊组上方的输送带时，控制系统可以收到信号采集托辊组上的物料信息。In this embodiment, the conveyors are provided with signal collection idler groups, and the signal collection idler groups are arranged before the feeding point of the conveyor, at a position above the distance between the upper idler groups that is 4 times the distance from the redirection drum A control system is connected below the signal collection idler group, and when the material passes through the conveyor belt above the signal collection idler group during the conveying process, the control system can receive the signal collection material information on the idler group.
在本实施例中，所述控制系统包括设置在第一输送机的信号采集托辊组下方的第一皮带秤、设置在第二输送机的信号采集托辊组下方的第二皮带秤和控制器，所述皮带秤上均设置有称重传感器和测速传感器，其中第一皮带秤上设置为第一称重传感器，用于检测第一输送机上信号采集托辊组上的物料重量，第一测速传感器用于检测第一输送机的带速v
1；第二皮带秤上设置为第二称重传感器，用于检测第二输送机上信号采集托辊组上的物料重量，第二测速传感器用于检测第二输送机的带速v
2。
In this embodiment, the control system includes a first belt scale arranged under the signal collection idler group of the first conveyor, a second belt scale arranged under the signal collection idler group of the second conveyor, and a control system The belt scales are equipped with a load cell and a speed sensor, wherein the first belt scale is set as a first load cell, which is used to detect the weight of the material on the signal collection roller group on the first conveyor, and the first The speed sensor is used to detect the belt speed v1 of the first conveyor; the second belt scale is set as a second load cell, which is used to detect the weight of the material on the signal collection idler group on the second conveyor, and the second speed sensor is used It is used to detect the belt speed v 2 of the second conveyor.
在本实施例中，所述称重传感器采集到的第一输送机和第二输送机的物料重量信息，以电流或电压信号方式发送至控制器中，同时将采集到的输送带速度信息和时间信息输送至控制器，控制器对数据进行计算、对比。In this embodiment, the material weight information of the first conveyor and the second conveyor collected by the load cell is sent to the controller in the form of a current or voltage signal, and at the same time, the collected conveyor belt speed information and The time information is sent to the controller, and the controller calculates and compares the data.
在本实施例中，所述控制器通过算法计算第一输送机的瞬时流量和第二输送机的瞬时流量数据，再通过对比第一输送机和第二输送机上的物料流量变化，判断转载点溜槽堵塞情况。In this embodiment, the controller calculates the instantaneous flow rate of the first conveyor and the instantaneous flow data of the second conveyor through an algorithm, and then judges the transfer point by comparing the material flow changes on the first conveyor and the second conveyor Chute blockage.
在本实施例中，所述算法为：In this embodiment, the algorithm is:
其中，Q
1为第一输送机的瞬时流量，Q
2为第一输送机的瞬时流量，t
1为第一皮带秤接收来料信号时间，t
2为第二皮带秤接收来料信号时间，q
1为第一输送机的单位长度载重量，q
2为第二输送机的单位长度载重量，T为单位物料通过皮带秤的时间。当物料经过第一皮带秤时，第一信号采集托辊组检测到第一输送机上的物料重量，通过杠杆作用于第一称重传感器，产生一个正比于皮带载荷的电压信号，经A/D模数转换装置转换成数字信号发送给控制器。同时，第一测速传感器将产生的速度脉冲信号直接发送给控制器，控制器对第一称重传感器的电压信号和第一测速传感器的脉冲信号进行处理和计算，通过计算公式Q
1＝q
1v
1得到物料的瞬时流量值，其中Q
1为第一皮带秤(4)上的物料瞬时流量值，q
1为单位皮带长度上的载重值，v
1为同一时刻的输送带速度值。还，通过计算公式
得到物料在T时间内通过第一皮带秤的累计值，其中q
1(t)为第一皮带秤上的物料瞬时载重值，v
1(t)为瞬时皮带速度值，t
1为物料到达第一皮带秤的时间即第一皮带秤接收来料信号时间。
Among them, Q1 is the instantaneous flow rate of the first conveyor, Q2 is the instantaneous flow rate of the first conveyor, t1 is the time for the first belt scale to receive the incoming signal, and t2 is the time for the second belt scale to receive the incoming signal, q 1 is the load capacity per unit length of the first conveyor, q 2 is the load capacity per unit length of the second conveyor, and T is the time for the unit material to pass through the belt scale. When the material passes through the first belt scale, the first signal collecting idler group detects the weight of the material on the first conveyor, and acts on the first load cell through leverage to generate a voltage signal proportional to the belt load, which is passed through the A/D The analog-to-digital conversion device converts the digital signal and sends it to the controller. At the same time, the first speed sensor directly sends the generated speed pulse signal to the controller, and the controller processes and calculates the voltage signal of the first load cell and the pulse signal of the first speed sensor, through the calculation formula Q 1 =q 1 v1 obtains the instantaneous flow value of the material, wherein Q1 is the instantaneous flow value of the material on the first belt scale (4), q1 is the load value per unit belt length, and v1 is the conveyor belt speed value at the same moment. Also, by calculating the formula Get the cumulative value of the material passing through the first belt scale within T time, where q 1 (t) is the instantaneous load value of the material on the first belt scale, v 1 (t) is the instantaneous belt speed value, and t 1 is the material reaching the first belt scale. The time of a belt scale is the time when the first belt scale receives the incoming signal.
在本实施例中如图1所示，第一、第二输送机的长度分别为L
1、L
2，带速分别为v
1、 v
2，第一皮带秤安装在第一输送机受料点前，距离第一改向滚筒X
1处；第二皮带秤安装在第二输送机受料点前，距离第二改向滚筒X
2处。b
1、b
2分别为第一、二输送机受料点与尾部改向滚筒的距离，第一、第二皮带秤接收来料信号时间分别t
1、t
2，过转载点溜槽时间为t
3，进而即可求得物料到达第二皮带秤的时间。
In this embodiment, as shown in Figure 1, the lengths of the first and second conveyors are L 1 and L 2 respectively, and the belt speeds are v 1 and v 2 respectively, and the first belt scale is installed on the first conveyor to receive materials. Before the point, it is X 1 away from the first diverting roller; the second belt scale is installed in front of the receiving point of the second conveyor, and it is X 2 away from the second diverting roller. b 1 and b 2 are respectively the distances between the receiving point of the first and second conveyors and the redirecting roller at the tail, the time for the first and second belt scales to receive the incoming signal is t 1 and t 2 respectively, and the time for passing through the chute at the transfer point is t 3 , and then the time when the material reaches the second belt scale can be obtained.
同理，通过计算公式
可以得到物料在T时间内通过第二皮带秤的累计值，其中Q
2(t)为第二皮带秤上的物料瞬时载重值，在溜槽未发生堵塞的情况下，Q
1(t)≈Q
2(t)，当溜槽发生堵塞时，在两组皮带秤上所采集到的物料瞬时载重值会产生差值，当所产生的差值或差值百分比大于所设定的值时，控制系统给出报警或停机信号。
Similarly, by calculating the formula The cumulative value of the material passing through the second belt scale within T time can be obtained, where Q 2 (t) is the instantaneous load value of the material on the second belt scale, and if the chute is not blocked, Q 1 (t)≈Q 2 (t), when the chute is blocked, there will be a difference in the instantaneous load value of the material collected on the two sets of belt scales. When the difference or the percentage of the difference is greater than the set value, the control system will give An alarm or shutdown signal is issued.
在本实施例中，所述控制系统在通过称重传感器采集第一输送机和第二输送机上的物料重量变化时，可以对第一皮带秤接收来料信号时间t
1和第二皮带秤接收来料信号时间t
2通过系统自学习功能校核。
In this embodiment, when the control system collects the material weight changes on the first conveyor and the second conveyor through the load cell, it can receive the incoming signal time t 1 for the first belt scale and the second belt scale receives Incoming signal time t2 is checked by the system self-learning function.
在本实施例中，所述控制器根据检测Q
1与Q
2差值ΔQ做出堵料状态的判断，具备堵料状态信息提示或显示功能，可以直接根据堵料状态发出报警、控制或停机信号。判断堵料达到警戒值附近时，发出控制信号，减少前序给料控制；判断严重堵料时，可以直接发出停止输料信号，所述堵料警戒条件为ΔQ>0.3Q
1(t)，当达到警戒条件时，给出报警信号进行前序流量干预，减少前序流量。
In this embodiment, the controller judges the blocking state according to the difference ΔQ between Q1 and Q2 , and has the function of prompting or displaying the blocking state information, and can directly send an alarm, control or shut down according to the blocking state Signal. When it is judged that the blocking material reaches the vicinity of the warning value, a control signal is sent to reduce the pre-sequence feeding control; when it is judged that the blocking material is serious, a signal to stop feeding can be sent directly, and the blocking material warning condition is ΔQ>0.3Q 1 (t), When the warning condition is reached, an alarm signal is given to intervene in the pre-sequence flow to reduce the pre-sequence flow.
控制系统根据检测差值做出堵料状态的判断，具备堵料状态信息提示或显示功能。包括但不限于以下判定方法，例如：小于10％属于正常波动范围，大于等于10％小于30％属于轻度堵料，大于30％给出堵料报警，并提示系统减少前序给料控制。根据需求可以用实时画面显示，也可以用数据显示，控制系统参与输料系统的控制，根据检测的堵料状态，给输料系统报警信号，堵料超过限定值时，控制前序来料系统减少给料，当检测堵料严重时，可以直接停止输料系统。The control system makes a judgment on the blocking state according to the detection difference, and has the function of prompting or displaying the blocking state information. Including but not limited to the following judgment methods, for example: less than 10% belongs to the normal fluctuation range, greater than or equal to 10% and less than 30% belongs to mild blockage, and greater than 30% gives a blockage alarm and prompts the system to reduce the pre-sequence feeding control. According to the demand, it can be displayed on real-time screen or by data. The control system participates in the control of the material conveying system. According to the detected material blocking state, it sends an alarm signal to the material conveying system. When the material blocking exceeds the limit value, it controls the previous incoming material system. Reduce the feeding, and when the serious blockage is detected, the feeding system can be stopped directly.
在本实施例中，第一皮带秤和第二皮带秤安装位置前后的托辊组设置为同一个水平面内。如图1所示，第一皮带秤、第二皮带秤分别安装在第一输送机、第二输送机上，距离落料点大于4倍的上托辊组间距以上位置处，而且第一皮带秤和第二皮带秤安装位置附近的十几组托辊尽量在一条水平线上，以保持皮带秤上方托辊受力的均匀。In this embodiment, the groups of idlers before and after the installation positions of the first belt scale and the second belt scale are arranged in the same horizontal plane. As shown in Figure 1, the first belt scale and the second belt scale are installed on the first conveyor and the second conveyor respectively, at a position above the distance between the upper roller group that is more than 4 times the distance from the blanking point, and the first belt scale Try to be on a horizontal line with more than a dozen sets of idlers near the installation position of the second belt scale, so as to keep the force on the idlers above the belt scale even.
本发明的工作流程如图2所示：首先，第一输送机、第二输送机分别安装一组皮带秤，用于采集物料的流量信息；其次，当物料经过第一皮带秤时，信号采集托辊组检测到输送机上的物料重量通过杠杆作用与称重传感器，产生一个正比于皮带载荷的电压信号，经A/D模数转换装置转换成数字信号发送给控制器，同时测速传感器将产生的速度脉冲信号直接发送给控制器。当物料通过第一皮带秤后，经过一段时间ΔT到达第二皮带秤，与第一皮带秤一样，第二皮带秤将采集到的物料信息发送给控制器；再次，控制器收到两组皮带秤采集的信息后，进行计算、对比、分析；最后，根据两组物料流量的差值、或者差值百分比，控制系统发出报警或停机信号。The working process of the present invention is as shown in Figure 2: firstly, a group of belt scales are respectively installed on the first conveyor and the second conveyor to collect the flow information of the material; secondly, when the material passes through the first belt scale, the signal acquisition The idler group detects the weight of the material on the conveyor through the leverage and the load cell to generate a voltage signal proportional to the belt load, which is converted into a digital signal by the A/D analog-to-digital conversion device and sent to the controller. At the same time, the speed sensor will generate The speed pulse signal is sent directly to the controller. After the material passes through the first belt scale, it reaches the second belt scale after a period of ΔT. Like the first belt scale, the second belt scale sends the collected material information to the controller; again, the controller receives two sets of belt scales After the information collected by the scale, it is calculated, compared and analyzed; finally, according to the difference or the percentage of the difference between the two groups of material flow, the control system sends out an alarm or shutdown signal.
还有其它的具有设置在转载点溜槽外部的检测系统并且通过对比不同输送带上 的流量差等技术特征的都是本发明的实施例之一，例如在控制系统中利用摄像头捕捉物料截面并计算物料流量。There are other detection systems that are arranged outside the transfer point chute and are all one of the embodiments of the present invention by comparing the flow differences on different conveyor belts. For example, in the control system, a camera is used to capture the material section and calculate material flow.
因此在涉及转载点溜槽堵塞检测技术领域内，凡是包含有用设置在转载点溜槽外部的检测系统，并且通过对比不同输送带上的流量差等技术特征的技术内容都在本发明的保护范围内。上述实施例只是本发明所提供的检测转载点溜槽堵塞技术的一种实现形式，根据本发明所提供的方案的其他变形，增加或者减少其中的成份或步骤，或者将本发明用于其他的与本发明接近的技术领域，均属于本发明的保护范围。Therefore, in the technical field related to the blockage detection of the transfer point chute, any technical content that includes a detection system that is usefully arranged outside the transfer point chute and compares the flow differences on different conveyor belts and other technical features is within the protection scope of the present invention. The foregoing embodiment is only a form of realization of the technology for detecting blockage of the transfer point chute provided by the present invention. According to other variations of the solution provided by the present invention, the components or steps thereof are increased or decreased, or the present invention is used for other related The technical fields that the present invention is close to all belong to the protection scope of the present invention.
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替本发明各实施例技术方案，并不使相应技术方案的本质脱离本方案的范围。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some or all of the technical features; and these modifications or replacements for the technical solutions of the various embodiments of the present invention do not make the essence of the corresponding technical solutions deviate from the present invention. scope of the program.
Claims (10)
- 一种基于物料动态计量的转载点溜槽堵塞检测系统，其特征在于：所述系统包括：输送模块、转载点溜槽、信号采集托辊组、信号采集模块和控制模块；A transfer point chute blockage detection system based on material dynamic metering, characterized in that: the system includes: a conveying module, a transfer point chute, a signal collection idler group, a signal collection module and a control module;输送模块，用于输送物料，所述输送模块包括：第一输送机和第二输送机，所述第一输送机上设置有第一改向滚筒和第一驱动滚筒，所述第二输送机上设置有第二改向滚筒和第二驱动滚筒；The conveying module is used for conveying materials, and the conveying module includes: a first conveyor and a second conveyor, the first conveyor is provided with a first diverting roller and a first driving roller, and the second conveyor is provided with There are a second redirection pulley and a second drive pulley;转载点溜槽，设置于第一输送带输送出口和第二输送带落料点之间，用于输送第一输送机和第二输送机之间的物料；The transfer point chute is arranged between the delivery outlet of the first conveyor belt and the discharge point of the second conveyor belt, and is used to transport the materials between the first conveyor and the second conveyor;信号采集托辊组，与信号采集模块连接，设置在输送机落料点前，距离改向滚筒4倍的上托辊组间距以上位置处，用于信号采集模块采集信号采集托辊组上的物料信息；The signal acquisition idler group is connected with the signal acquisition module, and is set before the conveyor blanking point, at a position above the distance between the upper idler group that is 4 times the distance from the reversing drum, and is used for the signal acquisition module to collect signal acquisition on the idler group. material information;信号采集模块，与控制模块连接，设置于第一输送机和第二输送机落料点前，用于采集物料信息并将物料信息发送到控制模块；The signal collection module is connected with the control module, and is arranged before the first conveyor and the second conveyor drop point, and is used to collect material information and send the material information to the control module;控制模块，与输送模块连接，用于接收信号采集模块发送的物料信息进行计算，根据计算判断转载点溜槽堵塞。The control module is connected with the conveying module, and is used for receiving the material information sent by the signal acquisition module for calculation, and judging the blockage of the transfer point chute according to the calculation.
- 根据权利要求1所述的系统，其特征在于，所述信号采集模块包括：The system according to claim 1, wherein the signal acquisition module comprises:第一皮带秤，设置在第一输送机信号采集托辊组下方；The first belt scale is arranged under the idler group for signal collection of the first conveyor;第二皮带秤，设置在第二输送机信号采集托辊组下方；The second belt scale is arranged under the idler group for signal collection of the second conveyor;所述皮带秤上设置有称重传感器和测速传感器；The belt scale is provided with a load cell and a speed sensor;其中第一皮带秤上设置为第一称重传感器，用于检测第一输送机信号采集托辊组上的物料重量信息和时间信息并将重量信息和时间信息发送到控制模块，第一测速传感器用于检测第一输送机的带速v 1并发送到控制模块； Wherein the first belt scale is set as the first weighing sensor, which is used to detect the first conveyor signal, collect the material weight information and time information on the idler group and send the weight information and time information to the control module, and the first speed sensor Used to detect the belt speed v1 of the first conveyor and send it to the control module;第二皮带秤上设置为第二称重传感器，用于检测第二输送机信号采集托辊组上的物料重量信息和时间信息，并将重量信息和时间信息发送到控制模块，第二测速传感器用于检测第二输送机的带速v 2并发送到控制模块。 The second belt scale is set as the second weighing sensor, which is used to detect the second conveyor signal, collect the material weight information and time information on the idler roller group, and send the weight information and time information to the control module, and the second speed sensor Used to detect the belt speed v2 of the second conveyor and send it to the control module.
- 根据权利要求1所述的系统，其特征在于，所述控制模块具体用于：通过算法计算第一输送机的瞬时流量和第二输送机的瞬时流量数据，再通过对比第一输送机和第二输送机上的物料流量变化，判断转载点溜槽堵塞情况。The system according to claim 1, wherein the control module is specifically configured to: calculate the instantaneous flow data of the first conveyor and the instantaneous flow data of the second conveyor through an algorithm, and then compare the first conveyor with the second conveyor 2. Changes in the material flow on the conveyor to judge the blockage of the chute at the transfer point.
- 根据权利要求3所述的系统，其特征在于：所述控制模块具体用于：通过算法计算第一输送机的瞬时流量和第二输送机的瞬时流量数据，再通过对比第一输送机和第二输送机上的物料流量变化，判断转载点溜槽堵塞情况，其中，所述算法为：The system according to claim 3, characterized in that: the control module is specifically used to: calculate the instantaneous flow data of the first conveyor and the instantaneous flow data of the second conveyor through an algorithm, and then compare the first conveyor and the second conveyor 2. Material flow changes on the conveyor to judge the blockage of the transfer point chute, wherein the algorithm is:
其中，Q 1(t)为第一输送机的瞬时流量，Q 2(t)为第二输送机的瞬时流量，t 1为第一皮带秤接收来料信号时间，t 2为第二皮带秤接收来料信号时间，q 1为第一输送机的单位长度载重量，q 2为第二输送机的单位长度载重量，T为单位物料通过皮带秤的时间。 Among them, Q 1 (t) is the instantaneous flow rate of the first conveyor, Q 2 (t) is the instantaneous flow rate of the second conveyor, t 1 is the time when the first belt scale receives the incoming signal, and t 2 is the second belt scale The time of receiving the incoming signal, q 1 is the load capacity per unit length of the first conveyor, q 2 is the load capacity per unit length of the second conveyor, and T is the time for the unit material to pass through the belt scale. - 根据权利要求4所述的系统，其特征在于：控制模块具体用于：在称重传感器采集第一输送机和第二输送机上的物料重量时，对第一皮带秤接收来料信号时间t 1和第二皮带秤接收来料信号时间t 2通过自学习功能校核。 The system according to claim 4, characterized in that: the control module is specifically used for: when the weighing sensor collects the weight of the material on the first conveyor and the second conveyor, the first belt scale receives the incoming signal time t 1 And the second belt scale receives the incoming signal time t2 through the self-learning function check.
- 根据权利要求5所述的系统，其特征在于：所述控制模块还用于：计算Q 1(t)与Q 2(t)的差值ΔQ，根据ΔQ判断堵料状态，根据堵料状态发出报警或控制或停机信号到输送模块，判断堵料达到警戒条件时，发出控制信号到输送模块来减少前序给料；判断严重堵料时，发出停止输料信号到输送模块。 The system according to claim 5, characterized in that: the control module is also used for: calculating the difference ΔQ between Q 1 (t) and Q 2 (t), judging the blocking state according to ΔQ, and sending Alarm or control or stop signal is sent to the conveying module. When it is judged that the blocking material reaches the warning condition, a control signal is sent to the conveying module to reduce the pre-sequence feeding; when it is judged that the material is seriously blocked, a signal to stop feeding is sent to the conveying module.
- 根据权利要求6所述的系统，其特征在于：所述控制模块具体用于：根据导料槽内部结构设计设置警戒条件，判断堵料达到警戒条件时，发出控制信号到输送模块来减少前序给料。The system according to claim 6, characterized in that: the control module is specifically used to: set the warning condition according to the internal structure design of the material guide tank, and when it is judged that the blocking material reaches the warning condition, send a control signal to the conveying module to reduce the pre-order Feed.
- 根据权利要求7所述的系统，其特征在于：所述第一皮带秤和第二皮带秤安装位置前后的信号采集托辊组，设置在同一个水平面内。The system according to claim 7, characterized in that: the signal collecting roller groups before and after the installation positions of the first belt scale and the second belt scale are arranged in the same horizontal plane.
- 根据权利要求8所述的系统，其特征在于：所述控制模块还用于：对堵料状态信息进行提示或显示。The system according to claim 8, characterized in that: the control module is also used for: prompting or displaying the blocking state information.
- 根据权利要求9所述的系统，其特征在于：所述信号采集托辊组具体用于：检测到输送机上的物料重量后，通过杠杆作用与称重传感器产生一个正比于皮带载荷的电压信号，经A/D模数转换装置转换成数字信号发送给控制模块。The system according to claim 9, characterized in that: the signal collection idler group is specifically used for: after detecting the weight of the material on the conveyor, generate a voltage signal proportional to the belt load through leverage and the load cell, It is converted into a digital signal by the A/D analog-to-digital conversion device and sent to the control module.
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