Method and system for carrying out online automatic detection on corrugated depth of heat exchanger corrugated plate sheet
A technology of corrugated plates and heat exchangers, which is applied in the field of non-destructive testing of heat exchange equipment, can solve the problems of low measurement accuracy, low detection efficiency, and heavy workload, and achieve the effects of high detection accuracy, improved detection efficiency, and strong reliability
Active Publication Date: 2020-01-21
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology
This method has the characteristics of low detection efficiency, heavy workload, and relatively low measurement accuracy.
Therefore, it cannot meet the requirements of enterprise quality inspection and production; in addition, for the intelligent depth detectors that appear on the market, because their devices need to be in direct contact with the object to be measured, there will be slow movement and possible damage to the surface of the object and other shortcomings
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[0035] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0036] like figure 1 , figure 2 , image 3 as well as Figure 4 As shown in the figure, an online automatic detection system for the corrugated depth of a heat exchanger corrugated plate sheet of the present invention includes a data processing module, a logic motion control module and a data acquisition module, wherein,
[0037]The data processing module is used to divide the corrugated sheet ...
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The invention belongs to the field of nondestructive detection of heat exchange equipment, and particularly discloses a method and system for carrying out online automatic detection on a corrugated depth of a heat exchanger corrugated plate sheet. The method comprises the steps of: firstly, acquiring a plurality of continuous coordinate points which represent a shape of a to-be-detected section; then according to a preset segmentation criterion, segmenting the to-be-detected section into a plurality of continuous single section subintervals by taking single section data as a processing unit; and then fitting by the coordinate points in the single section subintervals to construct an intra-subinterval section curve model so as to acquire a corrugated depth in each section subinterval. The system comprises a data processing module, a logic motion control module and a data acquisition module. According to the invention, non-contact automatic measurement on the corrugated depth of the heatexchange corrugated plate sheet is implemented by the detection method; and the method and the system have the advantages of high detection efficiency, high operability, reliable result, capability of implementing high-efficiency storage and batch detection and the like.
Description
technical field [0001] The invention belongs to the field of non-destructive testing of heat exchange equipment, and more particularly relates to a method and system for on-line automatic detection of corrugation depth of corrugated plate sheets of heat exchangers. Background technique [0002] Plate heat exchanger is a high-efficiency heat exchange equipment for heat transfer process in today's industrial field. It is widely used in petroleum, chemical and other industrial fields. Its structural composition is mainly composed of a series of corrugated heat transfer plates sealed and stacked by rubber gaskets. . As the core component, the corrugated sheet is usually formed by one-time stamping. Common board styles are: herringbone corrugated board, horizontal straight corrugated board and inclined corrugated board. [0003] The quality of the corrugated plate will directly affect the heat exchange effect of the plate heat exchanger, the pressure bearing capacity on both si...
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IPC IPC(8): G01B11/22G01B11/24
CPCG01B11/22G01B11/24
Inventor 陈柏金伍乘星
Owner HUAZHONG UNIV OF SCI & TECH