Singlechip microcomputer online detection system-based display method of perforated tipping paper air permeability
A display method and detection system technology, applied in the direction of measuring device, permeability/surface area analysis, suspension and porous material analysis, etc., can solve the problems of inconvenient playback data, less display data, small display screen, etc., and achieve intuitive display , good centralized processing, to ensure real-time effect
Inactive Publication Date: 2012-06-27
苏州市博海激光科技有限公司
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Problems solved by technology
The currently used online detection system is a single-chip microcomputer system. The display directly connected to the single-chip computer has certain limitations in display. The disadvantage is that the display screen is small, the display data is small, and the playback data is inconvenient. When displaying, it shows the air permeability value of the whole paper-making process, which is especially important for data display and playback
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[0021] The on-line detection and display method of the air permeability of perforated tipping paper in the present embodiment, its overall structure is as follows figure 1 As shown, it includes a single-chip microcomputer system for online detection and a display unit for displaying air permeability values. There is a PLC storage unit between the single-chip microcomputer system and the display unit. The PLC storage unit is used as the transmission intermediate unit between the single-chip microcomputer system and the display unit. The PLC communicates with the Lenze inverter through the FX2n-485-BD communication module. The specific method for displaying the online detection results includes the following steps:
[0022] The PLC communication interface is plugged with FX2n-485-BD communication module, the PLC storage unit communicates with the single-chip system through the FX2n-485-BD communication module, and the display unit is connected to the RS232 serial port of the PLC ...
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The invention provides a singlechip microcomputer online detection system-based display method of punching cork paper bobbin air permeability, which adopts a programmable logic controller (PLC) memory cell as an intermediate storage device, wherein the PLC memory cell adopts in a time period manner respectively receive the detection data of a singlechip microcomputer system and the data command of a Lenze frequency converter, a display unit real-timely displays the restored air permeability online detection data in the PLC memory unit, so the data is received according to separate time period, the data collision between a singlechip microcomputer and the Lenze frequency converter is avoided, the effectiveness of data transmission is improved, in addition, the effective data transmission ensures the real time performance of a display terminal, a touch screen can quickly the detecting data to response the display, and the data display terminal is ensured to better process the data in a concentrating way.
Description
technical field [0001] The invention relates to equipment in the production of perforated tipping paper, in particular to an on-line detection and display method for the air permeability of perforated tipping paper based on a single-chip microcomputer system. Background technique [0002] Tipping paper is tipping paper, which is used as the outer wrapping paper of cigarette filters and is specially used by cigarette factories, and belongs to special industrial paper. In recent years, researchers have found that the use of perforated tipping paper can effectively control the tar content of cigarettes. As a newer and more effective tar reduction technology, this technology has developed rapidly, and the air permeability of perforated tipping paper directly affects the tar content of cigarettes. Therefore, it is particularly important to precisely control the air permeability of the tipping paper. During the high-speed punching process of the tipping paper, it is necessary to d...
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Inventor 孙长东许智强蔡志坚
Owner 苏州市博海激光科技有限公司