CN201924578U - Lifting monitoring device for adhesive lifting scaffolding based on embedded system - Google Patents
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Abstract
本实用新型为基于嵌入式系统的附着升降脚手架提升监控装置，本监控装置的控制中心为以嵌入式微处理器为核心，1～32个内置电流变送器的测力传感器经信号调理电路接入嵌入式系统，嵌入式系统接有输入装置和声光报警器。信号调理电路包括I/V转换子电路和A/D转换器。为使嵌入式系统不受信号调理电路及传感器输入干扰，A/D转换器经光电隔离子电路接入嵌入式微处理器。嵌入式微处理器包括有数据采集模块、数据分析模块、参数设置模块及控制模块，采集各个吊点的实时载荷数据；分析实时载荷，与各吊点设定的报警及停机载荷值比较，超限即报警或停机。本装置保证脚手架提升过程安全运行；功耗低、体积小、集成度高，可靠性强，便于使用。
The utility model is a lifting monitoring device attached to a lifting scaffold based on an embedded system. The control center of the monitoring device is based on an embedded microprocessor, and 1 to 32 force sensors with built-in current transmitters are connected through a signal conditioning circuit. Embedded system, the embedded system is connected with an input device and an audible and visual alarm. The signal conditioning circuit includes I/V conversion sub-circuit and A/D converter. In order to prevent the embedded system from signal conditioning circuit and sensor input interference, the A/D converter is connected to the embedded microprocessor through the photoelectric isolation sub-circuit. The embedded microprocessor includes a data acquisition module, a data analysis module, a parameter setting module and a control module to collect real-time load data of each lifting point; analyze the real-time load, and compare it with the alarm and shutdown load values set by each lifting point, and the overrun That is, alarm or shutdown. The device ensures the safe operation of the scaffold lifting process; it has low power consumption, small size, high integration, high reliability and easy use.
Description
(一)技术领域(1) Technical field
本实用新型涉及属于建筑脚手架机电设备的监测控制技术领域，具体涉及一种基于嵌入式系统的附着升降脚手架提升监控装置。The utility model relates to the technical field of monitoring and control of electromechanical equipment for building scaffolding, in particular to a lifting monitoring device for attached lifting scaffolding based on an embedded system.
(二)背景技术(2) Background technology
随着高层、超高层建筑迅猛发展，在高层及超高层建筑施工过程中常规的满高脚手架凸显出搭设困难、耗资(费时、费工、费料)巨大、安全性差等缺陷。20世纪80年代后期，国内的专家学者研制出了适宜于高层、超高层建筑施工的附着升降脚手架，并在90年代初开始走向市场并迅速推广。附着升降脚手架突出的经济性、适用性和专项技术特点使其发展走上了脚手架工程专业化发展之路。With the rapid development of high-rise and super high-rise buildings, the conventional full-height scaffolding in the construction process of high-rise and super high-rise buildings highlights the defects of difficulty in erection, huge cost (time-consuming, labor-intensive, and material-intensive), and poor safety. In the late 1980s, domestic experts and scholars developed an attached lifting scaffold suitable for high-rise and super high-rise building construction, and it began to go to the market in the early 1990s and was quickly promoted. The outstanding economy, applicability and special technical characteristics of the attached lifting scaffold make it develop on the road of specialized development of scaffolding engineering.
附着升降脚手架主要由架体结构、附着支承结构和升降动力控制设备三部分组成。升降动力控制设备主要由电控柜和电动葫芦组成，大多数动力控制设备缺乏对提升过程中脚手架各个吊点的载荷监控，使得提升过程中的安全性和可靠性大大降低。有关升降式脚手架提升过程中的绞索载荷检测的研究工作受到重视，附着升降脚手架提升过程中各吊点的同步性完全可以通过载荷平衡来实现，如果吊点间提升不同步，则会引起吊点间的载荷不平衡，如果吊点间的载荷差过大，则会引起脚手架的变形，甚至破坏脚手架的结构，从而影响提升过程的安全性和可靠性。已推出了一些升降式脚手架的载荷检测系统，如青岛海洋大学和上海第三建筑公司合作开发的分布式脚手架检测系统，南京建筑工程学院开发的脚手架计算机监控系统，山东大学设计的导轨式自升降脚手架遥控系统，桂林电子科技大学与广西区一建合作开发的脚手架提升拉力监测系统等。但是这些系统并没有很快的在建筑行业进行推广应用，其主要原因就是这些系统结构复杂，安装困难，可靠性差，成本昂贵。Attached lifting scaffold is mainly composed of three parts: frame structure, attached support structure and lifting power control equipment. The lifting power control equipment is mainly composed of electric control cabinets and electric hoists. Most power control equipment lacks load monitoring for each lifting point of the scaffold during the lifting process, which greatly reduces the safety and reliability of the lifting process. The research work on the noose load detection in the lifting process of the lifting scaffold has been paid attention to. The synchronization of each lifting point in the lifting process of the attached lifting scaffold can be realized through load balance. If the lifting points are not synchronized, it will cause the lifting point If the load difference between the lifting points is too large, it will cause deformation of the scaffold and even destroy the structure of the scaffold, thus affecting the safety and reliability of the lifting process. Some load detection systems for lifting scaffolds have been introduced, such as the distributed scaffold detection system jointly developed by Qingdao Ocean University and Shanghai No. Scaffold remote control system, scaffold lifting tension monitoring system jointly developed by Guilin University of Electronic Science and Technology and Guangxi District No. 1 Construction, etc. However, these systems have not been popularized and applied in the construction industry very quickly. The main reason is that these systems are complex in structure, difficult to install, poor in reliability and expensive in cost.
(三)实用新型内容(3) Contents of utility model
本实用新型的目的在于公开一种基于嵌入式系统的附着升降脚手架提升监控装置，该装置能够高效、可靠地解决工程中广泛存在的附着升降脚手架提升过程中的载荷不平衡和不同步问题，且因采用嵌入式系统，具有低功耗、体积小、集成度高的特点。The purpose of this utility model is to disclose a monitoring device for the lifting of attached lifting scaffolds based on an embedded system, which can efficiently and reliably solve the problems of unbalanced and unsynchronized loads in the process of lifting attached lifting scaffolds that widely exist in engineering, and Due to the use of embedded systems, it has the characteristics of low power consumption, small size and high integration.
本实用新型设计的基于嵌入式系统的附着升降脚手架提升监控装置包括控制中心，与之连接的电控柜，布置在脚手架的各个吊点的测力传感器。本监控装置的控制中心为嵌入式系统，嵌入式系统的核心为嵌入式微处理器，测力传感器内置有电流变送器，1～32个吊点的测力传感器经信号调理电路接入嵌入式系统，嵌入式系统接有输入装置，还接有声光报警器。The utility model-based attached lifting scaffold lifting monitoring device designed with an embedded system includes a control center, an electric control cabinet connected thereto, and force sensors arranged at each hanging point of the scaffold. The control center of this monitoring device is an embedded system. The core of the embedded system is an embedded microprocessor. system, the embedded system is connected with an input device, and also connected with an audible and visual alarm.
如果系统只使用1个吊点，则可应用于单片式升降脚手架，或者其他起重设备的载荷监控。If the system only uses one lifting point, it can be applied to single-piece lifting scaffolding, or load monitoring of other lifting equipment.
测力传感器内置有电流变送器，其压力/拉力传感器采集的载荷信号经电流变送器转换为电流信号输出。The load cell has a built-in current transmitter, and the load signal collected by the pressure/tension sensor is converted into a current signal output by the current transmitter.
信号调理电路包括I/V转换子电路和A/D转换器。各测力传感器的电流信号接入I/V转换子电路，I/V转换子电路的输出端连接A/D转换器，A/D转换器的输出端接入嵌入式微处理器。各测力传感器的电流信号经I/V转换子电路为电压信号。A/D转换器将模拟电压信号转换为数字电压信号由输出端送入嵌入式微处理器。The signal conditioning circuit includes I/V conversion sub-circuit and A/D converter. The current signal of each load cell is connected to the I/V conversion sub-circuit, the output end of the I/V conversion sub-circuit is connected to the A/D converter, and the output end of the A/D converter is connected to the embedded microprocessor. The current signal of each load cell is converted into a voltage signal by the I/V conversion sub-circuit. The A/D converter converts the analog voltage signal into a digital voltage signal and sends it to the embedded microprocessor from the output terminal.
为了使信号调理电路具有共模抑制能力避免干扰，嵌入式系统不受信号调理电路及传感器输入干扰，A/D转换器经光电隔离子电路接入嵌入式微处理器。In order to make the signal conditioning circuit have common-mode suppression ability to avoid interference, and the embedded system is not interfered by the signal conditioning circuit and sensor input, the A/D converter is connected to the embedded microprocessor through the photoelectric isolation sub-circuit.
嵌入式微处理器包括有数据采集模块、数据分析模块、参数设置模块及控制模块，数据采集模块从信号调理电路的A/D转换器采集各个吊点的实时载荷数据；数据分析模块分析各个吊点的实时载荷，与存储的各吊点的设定的报警载荷值比较，当某吊点的载荷值大于高限报警值或小于低限报警值即向声光报警器发送指令报警；控制模块将各个吊点的实时载荷与存储的各吊点设定的停机载荷值比较，当某吊点的载荷值大于高限停机值或小于低限停机值即向电控柜发出停机指令，保护脚手架系统的安全运行。输入装置经参数设置模块设置报警载荷值和停机载荷值。The embedded microprocessor includes a data acquisition module, a data analysis module, a parameter setting module and a control module. The data acquisition module collects the real-time load data of each lifting point from the A/D converter of the signal conditioning circuit; the data analysis module analyzes each lifting point The real-time load is compared with the stored alarm load value of each lifting point. When the load value of a certain lifting point is greater than the upper limit alarm value or less than the low limit alarm value, an instruction alarm will be sent to the sound and light alarm; the control module will The real-time load of each lifting point is compared with the stored shutdown load value of each lifting point. When the load value of a certain lifting point is greater than the upper limit shutdown value or lower than the lower limit shutdown value, a shutdown command is sent to the electric control cabinet to protect the scaffolding system. safe operation. The input device sets the alarm load value and the shutdown load value through the parameter setting module.
本嵌入式系统还接有显示器，其嵌入式微处理器还包括有图形界面模块和数据显示模块，图形界面模块将各吊点的实时载荷数据转换为直观图形，经数据显示模块，将各吊点的实时载荷数据送入显示器，动态显示各吊点的载荷变化图形，可为柱形图、曲线图，还可显示报警提示。使操作者对各个吊点载荷情况更加直观、方便地观看。The embedded system is also connected with a display, and its embedded microprocessor also includes a graphic interface module and a data display module. The graphic interface module converts the real-time load data of each lifting point into an intuitive graphic. The real-time load data is sent to the display, and the load change graph of each lifting point is dynamically displayed, which can be a bar graph, a curve graph, and an alarm prompt can also be displayed. It enables the operator to view the load conditions of each lifting point more intuitively and conveniently.
本嵌入式系统还接有数据转储模块，该模块保存各吊点的设定的报警载荷值和停机载荷值，还可将各吊点的实时载荷数据保存方便对施工过程的管理和研究。The embedded system is also connected with a data dump module, which saves the set alarm load value and shutdown load value of each lifting point, and can also save the real-time load data of each lifting point to facilitate the management and research of the construction process.
本装置开始使用时通过测试，获得附着升降脚手架提升初始状态的各个吊点载荷值，通过电控柜的点动按键控制各个吊点处于同一高度平面即载荷值基本相同，用输入装置设置提升过程中的载荷报警值及停机值。本装置通过各吊点的测力传感器实时监测各个吊点的载荷值，送至嵌入式系统进行决策，判断提升过程是否处于安全状态，如果实时监测某一吊点的载荷值大于高限报警值或小于低限报警值，声光报警器发出报警提示。如果实时监测的载荷值大于高限停机值或者小于低限停机值，则发出停机指令，电控柜强制停止电动装置运行并发出报警。When the device was put into use, it passed the test to obtain the load value of each lifting point in the initial state of the hoisting scaffold attached to it, and controlled each lifting point to be at the same height plane through the jog button of the electric control cabinet, that is, the load value was basically the same, and the lifting process was set with the input device Load alarm value and shutdown value in the load. This device monitors the load value of each lifting point in real time through the load cell of each lifting point, and sends it to the embedded system for decision-making to judge whether the lifting process is in a safe state. If the real-time monitoring load value of a certain lifting point is greater than the upper limit alarm value Or less than the lower limit alarm value, the sound and light alarm will send out an alarm prompt. If the real-time monitored load value is greater than the upper limit shutdown value or lower than the lower limit shutdown value, a shutdown command is issued, and the electric control cabinet forcibly stops the operation of the electric device and sends out an alarm.
本实用新型基于嵌入式系统的附着升降脚手架提升监控装置与传统的电动附着升降脚手架提升系统的相比的显著优势为：1、实时在线掌握各个吊点的载荷值，提升过程某个吊点超载或欠载及时报警或直接停机，保证脚手架系统的运行安全；2、嵌入式系统功耗低、体积小、集成度高，使本装置结构轻巧，便携，方便与电控柜联合使用，无需外接电脑等附加设备；3、整体电路架构优化，性能稳定，可靠性强，便于使用。Compared with the traditional electric attachment lifting scaffold lifting system, the utility model's attached lifting scaffold lifting monitoring device based on the embedded system has the following significant advantages: 1. Grasp the load value of each lifting point online in real time, and a certain lifting point is overloaded during the lifting process Or under-load timely alarm or stop directly to ensure the safe operation of the scaffolding system; 2. The embedded system has low power consumption, small size and high integration, which makes the device light in structure, portable, and convenient to use in conjunction with the electric control cabinet without external connection Additional equipment such as computers; 3. The overall circuit structure is optimized, with stable performance, strong reliability, and easy to use.
(四)附图说明(4) Description of drawings
图1为本基于嵌入式系统的附着升降脚手架提升监控装置实施例的结构框图。FIG. 1 is a structural block diagram of an embodiment of an attached lifting scaffold lifting monitoring device based on an embedded system.
(五)具体实施方式(5) Specific implementation methods
下面结合附图对本本基于嵌入式系统的附着升降脚手架提升监控装置实施例作进一步详细说明：The embodiment of the attached lifting scaffold lifting monitoring device based on the embedded system will be further described in detail below in conjunction with the accompanying drawings:
如图1所示，本基于嵌入式系统的附着升降脚手架提升监控装置实施例包括作为控制中心的嵌入式系统，与之连接的电控柜，均布于脚手架的各吊点的32个测力传感器经信号调理电路接入嵌入式系统，嵌入式系统接有输入装置，还接有显示器、存储器、声光报警器。As shown in Figure 1, the embodiment of the attached lifting scaffold lifting monitoring device based on the embedded system includes the embedded system as the control center, the electric control cabinet connected with it, and 32 force measuring points evenly distributed on each suspension point of the scaffold The sensor is connected to the embedded system through a signal conditioning circuit, and the embedded system is connected with an input device, a display, a memory, and an audible and visual alarm.
嵌入式系统的核心为嵌入式微处理器，采用基于ARM核的32位高性能嵌入式微处理器，包括有数据采集模块、数据分析模块、参数设置模块、控制模块，图形界面模块、数据显示模块和数据转储模块。The core of the embedded system is an embedded microprocessor, which adopts a 32-bit high-performance embedded microprocessor based on ARM core, including a data acquisition module, a data analysis module, a parameter setting module, a control module, a graphical interface module, a data display module and Data dump module.
测力传感器为适应粉尘大、湿度高、电磁干扰大的恶劣工作环境的柱式拉力传感器，内置有电流变送器，可测量拉、压力值，输出对称性好，抗偏载能力强，输出标准4～20mA信号。The force sensor is a column-type tension sensor suitable for harsh working environments with large dust, high humidity, and high electromagnetic interference. It has a built-in current transmitter, which can measure tension and pressure values. Standard 4 ~ 20mA signal.
信号调理电路包括I/V转换子电路、光电隔离子电路和A/D转换器。各测力传感器的电流信号接入I/V转换子电路，I/V转换子电路的输出端连接各A/D转换器，各A/D转换器经光电隔离电路接入嵌入式微处理器，为了降低硬件成本，减少硬件系统的冗余性，本例采用4个A/D转换器，每个A/D转换器分时采集8个测力传感器的数据。A/D转换器的输出端接入嵌入式微处理器。The signal conditioning circuit includes I/V conversion sub-circuit, photoelectric isolation sub-circuit and A/D converter. The current signal of each load cell is connected to the I/V conversion sub-circuit, and the output end of the I/V conversion sub-circuit is connected to each A/D converter, and each A/D converter is connected to the embedded microprocessor through a photoelectric isolation circuit, In order to reduce the cost of hardware and reduce the redundancy of the hardware system, this example uses 4 A/D converters, and each A/D converter collects the data of 8 load cells in time-sharing. The output end of the A/D converter is connected to the embedded microprocessor.
上述实施例，仅为对本实用新型的目的、技术方案和有益效果进一步详细说明的具体个例，本实用新型并非限定于此。凡在本实用新型的公开的范围之内所做的任何修改、等同替换、改进等，均包含在本实用新型的保护范围之内。The above-mentioned embodiments are only specific examples for further specifying the purpose, technical solutions and beneficial effects of the utility model, and the utility model is not limited thereto. All modifications, equivalent replacements, improvements, etc. made within the disclosed scope of the present utility model are included in the protection scope of the present utility model.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375023A (en) * | 2012-04-27 | 2013-10-30 | 广州市达蒙建筑技术有限公司 | Attached type lifting scaffold |
| CN103395727A (en) * | 2013-08-09 | 2013-11-20 | 山东省建筑科学研究院 | Control method and weighing device for high-altitude working basket safe load |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375023A (en) * | 2012-04-27 | 2013-10-30 | 广州市达蒙建筑技术有限公司 | Attached type lifting scaffold |
| CN103395727A (en) * | 2013-08-09 | 2013-11-20 | 山东省建筑科学研究院 | Control method and weighing device for high-altitude working basket safe load |
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