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CN-121994163-A - Measuring system, measuring method, upper computer, storage medium, and program product

CN121994163ACN 121994163 ACN121994163 ACN 121994163ACN-121994163-A

Abstract

The application provides a measuring system, a method, an upper computer, a storage medium and a program product, wherein the measuring system comprises a fixed tool, the fixed tool comprises a fixed flat plate and a negative pressure interface, the fixed flat plate is provided with a jogged groove for fixing a part to be measured, the jogged groove is communicated with the negative pressure interface through a negative pressure pipeline, a surface profile measuring device is used for collecting surface profile information of the part to be measured, the upper computer is used for processing the surface profile information according to a preset measuring rule to obtain three-dimensional data of the part to be measured, and the preset measuring rule defines a corresponding relation among the three-dimensional data to be measured, a measuring section and a measuring strategy in the part to be measured. The system can improve the measurement accuracy of the parts to be measured.

Inventors

  • PAN WEIJIE

Assignees

  • 宁德时代新能源科技股份有限公司

Dates

Publication Date
20260508
Application Date
20241107

Claims (13)

  1. 1. A measurement system, comprising: The fixing tool comprises a fixing flat plate and a negative pressure interface, wherein an embedded groove for fixing a part to be tested is formed in the fixing flat plate, and the embedded groove is communicated with the negative pressure interface through a negative pressure pipeline; The surface profile measuring equipment is used for collecting surface profile information of the part to be measured; The upper computer is used for processing the surface profile information according to a preset measurement rule to obtain the three-dimensional data of the part to be measured, wherein the preset measurement rule defines the corresponding relation among the three-dimensional data to be measured, the measurement section and the measurement strategy in the part to be measured.
  2. 2. The system of claim 1, wherein the mating groove comprises a plurality of stepped portions of sequentially increasing diameter.
  3. 3. The system of claim 2, wherein the step comprises an annular step or a semi-annular step.
  4. 4. The system according to claim 1, wherein the fixed plate is further provided with an angle adjusting part for adjusting a measurement angle of the part to be measured so that the measurement angle matches a standard measurement angle.
  5. 5. The system of claim 4, wherein the angle adjustment portion comprises a swivel nut, an angle measurer, and an angle locking valve; the rotating nut is used for pulling the fixed flat plate to rotate so that the fixed flat plate drives the embedded groove to rotate; the angle measurer is used for measuring the rotation angle of the fixed flat plate; The angle locking valve is used for fixing the fixed flat plate when the fixed flat plate rotates to a standard measurement angle.
  6. 6. The system of claim 1, wherein the host computer is further configured to: based on a preset measurement reference plane, determining corresponding measurement tangent planes of the standard parts when the corresponding three-dimensional data to be measured are measured according to the standard three-dimensional data to be measured corresponding to the standard parts; Determining a measurement strategy for measuring corresponding three-dimensional data to be measured on any measurement section, and And storing the corresponding relation among the three-dimensional data to be measured, the measurement tangent plane and the measurement strategy to obtain the preset measurement rule.
  7. 7. The system of any of claims 1-6, wherein the surface profile measurement device comprises a time domain structured light device that collects surface profile information of the part under test based on the emitted structured light.
  8. 8. The system of claim 7, wherein the time domain structured light device is further configured to: collecting multiple groups of surface profile information of the part to be tested according to the emitted multiple groups of parallel structured light, and The upper computer is further used for: Processing the surface profile information according to the preset measurement rules for each group of the surface profile information to obtain a corresponding group of three-dimensional data; And determining the three-dimensional data of the part to be tested according to a plurality of groups of three-dimensional data corresponding to the plurality of groups of surface profile information.
  9. 9. The system of claim 1, wherein the fixed plate is provided with a plurality of engaging grooves, and the bottom of the fixed tool is further provided with a guide rail for pulling the fixed tool to move along the arrangement direction of the plurality of engaging grooves.
  10. 10. A method of measurement, the method comprising: The surface contour measuring device comprises a surface contour measuring device, a fixing tool, a negative pressure interface and a negative pressure pipeline, wherein the surface contour measuring device is used for measuring the surface contour of a part to be measured; and processing the surface profile information according to a preset measurement rule to obtain three-dimensional data of the part to be measured, wherein the preset measurement rule defines the corresponding relation among the three-dimensional data to be measured, the measurement tangent plane and the measurement strategy in the part to be measured.
  11. 11. An upper computer, characterized by comprising a processor and a memory, wherein the memory stores computer readable instructions, the method of claim 10 when the computer readable instructions are executed by the processor.
  12. 12. A computer readable storage medium, on which a computer program is stored which, when being executed by a processor, runs the method according to claim 10.
  13. 13. A computer program product comprising a computer program or instructions which, when executed by a processor, performs the method of claim 10.

Description

Measuring system, measuring method, upper computer, storage medium, and program product Technical Field The present application relates to the field of data measurement, and in particular, to a measurement system, a method, a host computer, a storage medium, and a program product. Background In the manufacturing process, components such as sealing nails, button cells, screws, etc. are often required. Different sizes of components may need to be used for different manufacturing processes. Therefore, it is often necessary to measure dimensional data of the parts. In some applications, the size of the components is critical, such as in battery manufacturing scenarios. Therefore, in these application scenarios, three-dimensional data of the parts need to be measured more accurately to better meet the manufacturing requirements. However, in the related art, when three-dimensional data of a component is measured by a 2D apparatus or a 2.5D apparatus, measurement accuracy is low, and thus it is difficult to satisfy manufacturing requirements. Disclosure of Invention The embodiment of the application aims to provide a measuring system, a measuring method, an upper computer, a storage medium and a program product, which are used for improving the measuring precision of a part to be measured. In a first aspect, the embodiment of the application provides a measurement system, which comprises a fixed tool, a surface profile measurement device and an upper computer, wherein the fixed tool comprises a fixed flat plate and a negative pressure interface, the fixed flat plate is provided with a jogged groove for fixing a part to be measured, the jogged groove is communicated with the negative pressure interface through a negative pressure pipeline, the surface profile measurement device is used for collecting surface profile information of the part to be measured, the upper computer is used for processing the surface profile information according to a preset measurement rule to obtain three-dimensional data of the part to be measured, and the preset measurement rule defines a corresponding relation among the three-dimensional data to be measured, a measurement section and a measurement strategy in the part to be measured. Therefore, the part to be measured is fixed in a negative pressure mode through the fixing tool, the part to be measured can be adsorbed in the embedded groove smoothly and stably, the alignment degree of the part to be measured in the measuring process and the repeated measuring precision of the part to be measured are improved conveniently, the surface profile information of the part to be measured can be directly acquired through the surface profile measuring equipment, and the three-dimensional data of the part to be measured can be accurately determined through the upper computer based on the surface profile information. Then, the fixing process and the data acquisition process of the parts to be measured are optimized through each measuring workpiece, so that the measuring precision of the parts to be measured can be improved. Optionally, the fitting groove includes a plurality of stepped portions with sequentially increasing diameters. Therefore, the parts to be tested with different sizes can be adsorbed on the step parts with different diameters, and the application range of the fixing tool is improved. Optionally, the step portion includes an annular step portion or a semi-annular step portion. Thus, if the step portion is an annular step portion, the component to be measured can be relatively completely fixed in the fitting groove, and the fixing effect can be improved. If the step part is a semi-annular step part, the corresponding matched area in the part to be tested can be fixed in the embedded groove, so that the method is applicable to more types of parts to be tested. Optionally, the fixed flat plate is further provided with an angle adjusting part, and the angle adjusting part is used for adjusting the measurement angle of the part to be measured so as to enable the measurement angle to be matched with the standard measurement angle. Therefore, the angle adjusting part is arranged on the fixed flat plate, so that the measuring angle of the part to be measured can be conveniently adjusted, more perfect surface profile information can be obtained, and the accuracy of three-dimensional data is improved to a certain extent. The angle adjusting part comprises a rotating nut, an angle measurer and an angle locking valve, wherein the rotating nut is used for pulling the fixed flat plate to rotate so that the fixed flat plate drives the embedded groove to rotate, the angle measurer is used for measuring the rotating angle of the fixed flat plate, and the angle locking valve is used for fixing the fixed flat plate when the fixed flat plate rotates to a standard measuring angle. Thus, the measuring angle of the part to be measured can be conveniently adjusted. Optionally, the upper computer is fur