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CN-122017686-A - Method and device for detecting effectiveness function of strip wiring facing wiring terminal

CN122017686ACN 122017686 ACN122017686 ACN 122017686ACN-122017686-A

Abstract

The invention provides a method and a device for detecting a wired validity function of wiring terminals, the method comprises the steps of constructing an optical scanning path based on a terminal position map of a wiring terminal array, controlling an optical imaging device to scan the wiring terminal array line by line based on the optical scanning path to obtain an optical image sequence, identifying whether the end part of a wire of each wiring terminal is located in a preset effective insertion area based on the optical image sequence to obtain a wire physical location judging result, screening out a subset of the physically located wiring terminals based on the wire physical location judging result to generate an electric excitation instruction sequence, driving a multichannel electric excitation unit to sequentially apply excitation signals to each terminal based on the electric excitation instruction sequence to obtain an electric communication response data set, and judging whether each physically located wiring terminal forms an effective electric path based on the electric communication response data set to obtain the wiring validity judging result. The invention improves the accuracy of the strip wiring validity detection of the wiring terminal.

Inventors

  • ZHOU SHUANGSHUANG

Assignees

  • 深圳市翔诺达科技有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (10)

  1. 1. The utility model provides a strip wiring validity function detection method towards binding post which characterized in that includes: Constructing an optical scanning path based on a terminal position mapping diagram obtained by analyzing physical layout information of the wiring terminal array, and controlling an optical imaging device to scan the wiring terminal array line by line based on the optical scanning path to obtain an optical image sequence of the wire insertion state of each wiring terminal; identifying whether the end part of the wire corresponding to each connecting terminal is positioned in a preset effective insertion area or not based on the optical image sequence to obtain a wire physical positioning judging result; Screening out a physically-in-place binding post subset based on the wire physical-in-place judging result, generating an electric excitation instruction sequence, and driving a multichannel electric excitation unit to sequentially apply transient excitation signals to each terminal in the binding post subset based on the electric excitation instruction sequence to obtain an electric communication response data set; And judging whether each physically located wiring terminal forms an effective electric path or not based on the electric communication response data set, and obtaining a wiring validity judging result.
  2. 2. The method for detecting validity of a strip wire for a connection terminal according to claim 1, wherein the step of determining a result of the validity determination of the connection terminal includes: obtaining an original electric response waveform of the connecting terminal in a preset excitation response window based on a time synchronization relationship between a transient excitation signal application time corresponding to the physically-in-place connecting terminal in the electric communication response data set and an electric communication response signal acquisition time; obtaining a steady-state voltage offset corresponding to the wiring terminal based on the difference of voltage amplitudes of the initial stable section and the final stable section of the original electric response waveform in a preset excitation response window; if the steady-state voltage offset is within the preset effective conduction voltage threshold range, based on whether the original electric response waveform has a voltage jump characteristic synchronous with the rising edge of the transient excitation signal, a dynamic response existence result of the wiring terminal is obtained; And judging whether each connecting terminal forms an effective electric path or not based on the dynamic response existence result to obtain a wiring validity judging result.
  3. 3. The method for detecting validity of a wired connection to a connection terminal according to claim 2, wherein the step of determining whether each connection terminal forms a valid electrical path based on the dynamic response existence result, to obtain a connection validity determination result, includes: if the dynamic response existence result is that the voltage jump characteristic does not exist, determining that the wiring validity judgment result of the wiring terminal is that an effective electric path is not formed; if the dynamic response existence result is that the voltage jump characteristic exists, judging whether the two are consistent or not based on excitation polarity configuration information adopted by the multichannel electric excitation unit when a transient excitation signal is applied to a wiring terminal and the voltage change direction of a main jump edge in the original electric response waveform; If the voltage jump is consistent with the original electric response waveform, the time required for reaching a preset proportional amplitude from the moment of applying the transient excitation signal to the voltage jump is based on the original electric response waveform, and the signal rising time of the wiring terminal is obtained; and judging whether each connecting terminal forms an effective electric path or not based on the signal rising time of the connecting terminal, and obtaining a connecting validity judging result.
  4. 4. The method for detecting validity of a wired connection to a terminal according to claim 3, wherein the step of determining whether each terminal forms a valid electrical path based on a signal rise time of the terminal to obtain a result of determining validity of the wired connection, comprises: If the signal rising time is greater than or equal to a preset maximum allowable rising time threshold, determining that a wiring validity judgment result of the wiring terminal is that an effective electric path is not formed; if the initial electric response waveform is smaller than the maximum allowable rising time threshold, judging whether a contact instability characteristic exists or not based on whether the original electric response waveform has continuous voltage fluctuation or high-frequency oscillation phenomenon in a preset excitation response window; if the contact instability characteristic exists, determining that a wiring validity judgment result of the wiring terminal is that an effective electric path is not formed; If the contact instability characteristic does not exist, based on whether the original electric response waveform returns to the baseline voltage level within the preset recovery time after the excitation is finished, whether the zeroing characteristic of the wiring terminal is normal is obtained; And if the zeroing characteristic is normal, determining that the wiring validity judgment result of the wiring terminal is that the effective electric path is formed.
  5. 5. The method for detecting validity of a wired connection terminal according to claim 1, wherein the constructing an optical scanning path based on a terminal position map obtained by analyzing physical layout information of the wired connection terminal array includes: Determining a space arrangement topological structure of the wiring terminals based on row-column coordinates of each wiring terminal in the terminal position mapping diagram in a two-dimensional plane coordinate system, and determining a maximum extension boundary of the wiring terminal array in the vertical direction based on the space arrangement topological structure; determining the minimum effective imaging view field width of the optical imaging device, which covers a single wiring terminal in the horizontal direction and does not miss adjacent terminals, based on the minimum center-to-center distance of the adjacent wiring terminals in the horizontal direction in the spatial arrangement topological structure and the transverse resolution capability threshold of the optical imaging device; Determining the number of continuous connection terminals covered by the optical imaging device in the horizontal direction in a single imaging operation based on the minimum effective imaging field width; An optical scanning path for guiding the optical imaging device to scan the wiring terminal array line by line is constructed based on the number of continuous wiring terminals, the maximum extension boundary, and an effective imaging height of the optical imaging device in a vertical direction.
  6. 6. The method of claim 5, wherein constructing the optical scan path based on the number of consecutive terminals, the maximum extension boundary, and the effective imaging height comprises: determining the number of scanning lines required to be divided in the vertical direction for covering all the wiring terminals based on the maximum extension boundary and the effective imaging height, and dividing the wiring terminal array into a plurality of continuous horizontal scanning bands in the vertical direction based on the number of scanning lines; determining leftmost coordinates and rightmost coordinates of wiring terminals in each horizontal scanning band in the horizontal direction based on row-column coordinates of the wiring terminals in each horizontal scanning band, and determining imaging positions of the optical imaging device when scanning in the horizontal scanning band based on the leftmost coordinates and the rightmost coordinates; Determining the number of horizontal imaging steps required for completing full coverage in a horizontal scanning band based on the number of continuous wiring terminals and the total number of wiring terminals in each horizontal scanning band, and dividing an imaging area in the horizontal scanning band into a plurality of continuous and non-overlapping horizontal imaging sections based on the number of horizontal imaging steps, the imaging position and the effective imaging width of the optical imaging device in the horizontal direction; the optical scan path is constructed based on the start and end coordinates of each horizontal imaging section in a two-dimensional planar coordinate system.
  7. 7. The method of claim 6, wherein constructing the optical scan path based on a start coordinate and an end coordinate of each horizontal imaging section in a two-dimensional planar coordinate system comprises: Determining target positioning coordinates of the optical imaging device when a single imaging operation is performed in the horizontal imaging section based on the start coordinates and the end coordinates of each horizontal imaging section, and generating imaging positioning parameters of the optical imaging device in the horizontal imaging section based on the target positioning coordinates; Determining a trigger time sequence required by the optical imaging device when the whole terminal subarray performs line-by-line and segment-by-segment scanning based on the vertical sequence arrangement relation of all horizontal scanning bands, the horizontal sequence arrangement relation of each horizontal imaging section in each horizontal scanning band and imaging positioning parameters of each horizontal imaging section; Based on the trigger time sequence, constructing a composite scanning control flow consisting of a vertical scanning line switching instruction and a horizontal imaging section positioning instruction; and constructing the optical scanning path based on the spatial correspondence between each scanning line and each imaging section and the corresponding imaging positioning parameters in the composite scanning control flow.
  8. 8. A device for detecting the effectiveness of a strip wiring terminal, which is characterized in that the device is applied to the method for detecting the effectiveness of the strip wiring terminal according to any one of claims 1 to 7, and comprises: The optical image generation module is used for constructing an optical scanning path based on a terminal position mapping chart obtained by analyzing physical layout information of the wiring terminal array, controlling an optical imaging device to scan the wiring terminal array line by line based on the optical scanning path, and obtaining an optical image sequence of the wire insertion state of each wiring terminal; the positioning judging module is used for identifying whether the end part of the wire corresponding to each connecting terminal is positioned in a preset effective insertion area or not based on the optical image sequence to obtain a wire physical positioning judging result; The excitation instruction generation module is used for screening out a binding post subset which is physically located based on the physical location judgment result of the lead, generating an electric excitation instruction sequence, and driving a multichannel electric excitation unit to sequentially apply transient excitation signals to each terminal in the binding post subset based on the electric excitation instruction sequence to obtain an electric communication response data set; And the wiring validity judging module is used for judging whether each physically located wiring terminal forms a valid electric path or not based on the electric communication response data set, and obtaining a wiring validity judging result.
  9. 9. An electronic device comprising a memory for storing a computer software program and a processor for reading and executing the computer software program, characterized in that the processor implements the method for detecting a wired validity function for a connection terminal according to any one of claims 1 to 7 when executing the computer software program.
  10. 10. A non-transitory computer readable storage medium having stored therein a computer software program, wherein the computer software program, when executed by a processor, implements the method for detecting a wired validity function for a connection terminal according to any one of claims 1 to 7.

Description

Method and device for detecting effectiveness function of strip wiring facing wiring terminal Technical Field The invention relates to the technical field of computers, in particular to a method and a device for detecting effectiveness functions of a strip wiring facing a wiring terminal. Background The wiring effectiveness of the wiring terminals is directly related to the safety and reliability of the circuit system during the assembly and maintenance of the electrical equipment. The existing method generally adopts a mode of combining manual visual inspection with on-off test of a universal meter to carry out validity detection on the wiring terminal. The method relies on the experience of an operator to determine whether the wire is fully inserted into the terminal card slot and to measure the conductive state by a manual contact probe to confirm whether an electrical connection is established. However, the existing method cannot synchronously realize consistency verification of the physical contact state and the electrical communication state for a plurality of connecting terminals which are arranged in parallel on the premise of not damaging the original connecting structure. Because the manual detection process is strong in subjectivity and low in efficiency, and the universal meter can only measure point by point, the terminal array densely arranged is difficult to cover, the risk of missing detection or misjudgment is high, and the accuracy of the strip wiring validity detection of the wiring terminal is reduced. Disclosure of Invention The invention provides a method and a device for detecting effectiveness of a strip wiring facing a wiring terminal, which are used for improving accuracy of detection of effectiveness of the strip wiring of the wiring terminal. In a first aspect, the present invention provides a method for detecting a wired validity function of a connection terminal, including: Constructing an optical scanning path based on a terminal position mapping diagram obtained by analyzing physical layout information of the wiring terminal array, and controlling an optical imaging device to scan the wiring terminal array line by line based on the optical scanning path to obtain an optical image sequence of the wire insertion state of each wiring terminal; identifying whether the end part of the wire corresponding to each connecting terminal is positioned in a preset effective insertion area or not based on the optical image sequence to obtain a wire physical positioning judging result; Screening out a physically-in-place binding post subset based on the wire physical-in-place judging result, generating an electric excitation instruction sequence, and driving a multichannel electric excitation unit to sequentially apply transient excitation signals to each terminal in the binding post subset based on the electric excitation instruction sequence to obtain an electric communication response data set; And judging whether each physically located wiring terminal forms an effective electric path or not based on the electric communication response data set, and obtaining a wiring validity judging result. In a second aspect, the present invention also provides a device for detecting validity of a strip connection wire facing a connection terminal, which is applied to the method for detecting validity of a strip connection wire facing a connection terminal according to the first aspect, wherein the device for detecting validity of a strip connection wire facing a connection terminal comprises: The optical image generation module is used for constructing an optical scanning path based on a terminal position mapping chart obtained by analyzing physical layout information of the wiring terminal array, controlling an optical imaging device to scan the wiring terminal array line by line based on the optical scanning path, and obtaining an optical image sequence of the wire insertion state of each wiring terminal; the positioning judging module is used for identifying whether the end part of the wire corresponding to each connecting terminal is positioned in a preset effective insertion area or not based on the optical image sequence to obtain a wire physical positioning judging result; The excitation instruction generation module is used for screening out a binding post subset which is physically located based on the physical location judgment result of the lead, generating an electric excitation instruction sequence, and driving a multichannel electric excitation unit to sequentially apply transient excitation signals to each terminal in the binding post subset based on the electric excitation instruction sequence to obtain an electric communication response data set; And the wiring validity judging module is used for judging whether each physically located wiring terminal forms a valid electric path or not based on the electric communication response data set, and obtaining a wiring validity judging res