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CN-121994802-A - Air conditioner appearance detection equipment and detection method

CN121994802ACN 121994802 ACN121994802 ACN 121994802ACN-121994802-A

Abstract

The invention discloses air conditioner appearance detection equipment and a detection method, which belong to the technical field of appearance detection, wherein the air conditioner appearance detection equipment comprises a visual detection mechanism, a multi-axis moving mechanism and an auxiliary light mechanism, wherein the conveying mechanism is configured to convey products from back to front, the visual detection mechanism is adjacently arranged on the conveying mechanism and is configured to detect appearance defects of the products positioned on the conveying mechanism, the multi-axis moving mechanism is connected with the visual detection mechanism and is configured to drive the visual detection mechanism to move around the products in a multi-axis manner, the auxiliary light mechanism is provided with a light channel, the visual detection mechanism and the conveying mechanism are at least partially arranged in the light channel, the surface of the auxiliary light mechanism facing the light channel is provided with an illuminating lamp, and the conveying mechanism is configured to drive the products to be conveyed through the light channel, so that the appearance defects of an air conditioner external machine can be accurately detected.

Inventors

  • XIE LIANG

Assignees

  • 佛山林安智能装备有限公司

Dates

Publication Date
20260508
Application Date
20260130

Claims (10)

  1. 1. An air conditioner appearance check out test set, characterized by comprising: a conveying mechanism (100) configured to convey the product from back to front; A visual detection mechanism (400) disposed adjacent to the conveying mechanism (100) and configured to detect an outline defect of the product disposed on the conveying mechanism (100); A multi-axis movement mechanism (200), coupled to the visual inspection mechanism (400), configured to actuate the visual inspection mechanism (400) to move multi-axis around the product; An auxiliary light mechanism (300) is provided with a light channel (320), the visual detection mechanism (400) and the conveying mechanism (100) are at least partially arranged in the light channel (320), the surface of the auxiliary light mechanism (300) facing the light channel (320) is provided with an illuminating lamp, and the conveying mechanism (100) is configured to drive the product to be conveyed through the light channel (320).
  2. 2. The air conditioner appearance inspection device according to claim 1, wherein the auxiliary light mechanism (300) includes a plurality of light frames (310) arranged at intervals in a front-rear direction, and a surface of the light frame (310) facing the light channel (320) is provided with a plurality of illumination lamps arranged at an included angle.
  3. 3. The air conditioner appearance inspection device according to claim 1, wherein two visual inspection mechanisms (400) are provided, and the two visual inspection mechanisms (400) are both provided in the light passage (320) and are provided on the left and right sides of the conveying mechanism (100), respectively.
  4. 4. The air-conditioning profile detection apparatus of claim 1, wherein the visual detection mechanism (400) comprises a visible light camera array configured to acquire 2D image data of the product and a 3D line laser scanner configured to acquire 3D point cloud data of the product.
  5. 5. The air conditioner profile detection apparatus according to claim 1, wherein the visual detection mechanism (400) further includes a hyperspectral imager configured to detect spectral information of visible-near infrared bands of the product.
  6. 6. A detection method, characterized in that it is applied to the air conditioner appearance detection device according to any one of claims 1 to 5, comprising: Controlling the conveying mechanism (100) to convey the product from back to front; when the conveying mechanism (100) drives the product to be conveyed to a preset position, the auxiliary light mechanism (300) is controlled to operate, and the illuminating lamp supplements light to the surface of the product; controlling the multi-axis movement mechanism (200) to drive the visual detection mechanism (400) to perform multi-axis movement around the product; and controlling the visual detection mechanism (400) to acquire the appearance data of the product, and judging whether the appearance of the product meets the preset standard according to the appearance data.
  7. 7. The inspection method of claim 6, wherein said controlling the visual inspection mechanism (400) to acquire profile data of the product comprises: Utilizing an RGB-D camera to quickly identify and position the position and external characteristics of the product in space by combining a learning model based on example segmentation; a detection path for directing the visual detection mechanism (400) is generated from the location and the external feature.
  8. 8. The detection method according to claim 6, wherein the visual detection mechanism (400) comprises a visible light camera array; the controlling the visual detection mechanism (400) to obtain the appearance data of the product, and judging whether the appearance of the product meets the preset standard according to the appearance data comprises the following steps: Controlling the visible light camera array to acquire 2D image data of the product, and analyzing and highlighting high-frequency abnormal defects in the 2D image data by adopting residual images; And adopting an algorithm to analyze and detect the high-frequency abnormal defects.
  9. 9. The detection method according to claim 6, wherein the visual detection mechanism (400) comprises a 3D line laser scanner; the controlling the visual detection mechanism (400) to obtain the appearance data of the product, and judging whether the appearance of the product meets the preset standard according to the appearance data comprises the following steps: Controlling the 3D line laser scanner to acquire 3D point cloud data of the product, and performing plane fitting on the 3D point cloud data to obtain a fitting plane; And calculating the abrupt change of the surface curvature and the normal vector of the fitting plane, and accurately positioning the pits and the deformation of the product.
  10. 10. The method of claim 6, wherein the visual inspection mechanism (400) further comprises a hyperspectral imager, the method of inspection comprising: collecting standard spectrum curves of a standard shell, a conventional surface treatment agent and conventional dirt of the product, and constructing a feature library according to the standard spectrum curves; And controlling the hyperspectral imager to detect the spectrum information of the visible light-near infrared band of the product, using a main component to reduce the position of the spectrum information, inputting the spectrum information into a vector machine or an analyzer, and analyzing whether the material quality of the product deviates from the original factory standard according to the feature library.

Description

Air conditioner appearance detection equipment and detection method Technical Field The invention relates to the technical field of appearance detection, in particular to air conditioner appearance detection equipment and a detection method. Background In the production process of the air conditioner external unit, the surface of the air conditioner external unit is easy to have defects such as scratches, stains or excessive deformation and the like due to production problems. In the related art, the appearance detection of the existing air conditioner outdoor unit is generally carried out through human eyes, so that the surface defects are difficult to accurately detect, and defective products easily flow out of the market. Disclosure of Invention The present invention is directed to at least solving the technical problems existing in the related art. Therefore, the invention provides the air conditioner appearance detection equipment which is beneficial to accurately detecting appearance defects of an air conditioner outdoor unit. The invention also provides a detection method. The air conditioner appearance detection device comprises a conveying mechanism, a visual detection mechanism, a multi-axis moving mechanism and an auxiliary light mechanism, wherein the conveying mechanism is configured to convey products from back to front, the visual detection mechanism is adjacent to the conveying mechanism and is configured to detect appearance defects of the products located on the conveying mechanism, the multi-axis moving mechanism is connected with the visual detection mechanism and is configured to drive the visual detection mechanism to move around multiple axes of the products, the auxiliary light mechanism is provided with a light channel, the visual detection mechanism and the conveying mechanism are at least partially arranged in the light channel, a lighting lamp is arranged on the surface of the auxiliary light mechanism facing the light channel, and the conveying mechanism is configured to drive the products to be conveyed through the light channel. The air conditioner appearance detection equipment at least has the advantages that the auxiliary light mechanism is provided with the light channel, the surface of the auxiliary light mechanism facing the light channel is provided with the illuminating lamps, the conveying mechanism and the visual detection mechanism are at least partially arranged in the light channel, the conveying mechanism is configured to convey products from back to front so that the products are conveyed to pass through the light channel, the illuminating lamps of the auxiliary light mechanism can shine or supplement light on the products, appearance characteristics of the products are easier to detect, the multi-axis moving mechanism is connected with the visual detection mechanism so as to drive the visual detection mechanism to move around the products in a multi-axis manner, the visual detection mechanism can detect a plurality of appearance surfaces of the products, the visual detection mechanism is adjacent to the conveying mechanism, appearance defects of the products can be automatically detected, errors caused by manual detection can be reduced, detection efficiency can be improved, and the visual detection mechanism can improve the detection accuracy of the appearance defects of the external machine of the air conditioner under the light effect of the illuminating lamps, and the risk that defective inferior products flow into markets can be reduced. According to some embodiments of the invention, the auxiliary light mechanism comprises a plurality of light frames which are arranged at intervals along the front-back direction, and the surface of the light frames facing the light channel is provided with a plurality of illumination lamps which are arranged at included angles. According to some embodiments of the invention, two visual detection mechanisms are provided, and the two visual detection mechanisms are arranged in the lamplight channel and are respectively arranged at the left side and the right side of the conveying mechanism. According to some embodiments of the invention, the visual inspection mechanism includes a visible light camera array configured to acquire 2D image data of the product and a 3D line laser scanner configured to acquire 3D point cloud data of the product. According to some embodiments of the invention, the visual inspection mechanism further comprises a hyperspectral imager configured to detect spectral information in the visible-near infrared band of the product. The detection method of the embodiment of the second aspect of the invention is applied to the air conditioner appearance detection equipment according to any one of the first aspect, and comprises the following steps: controlling a conveying mechanism to convey products from back to front; when the conveying mechanism drives the product to be conveyed to a preset position, the