CN115371567B - Quality detection device for PE gas hot melting pipe fitting - Google Patents
Quality detection device for PE gas hot melting pipe fitting Download PDFInfo
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- CN115371567B CN115371567B CN202211157348.2A CN202211157348A CN115371567B CN 115371567 B CN115371567 B CN 115371567B CN 202211157348 A CN202211157348 A CN 202211157348A CN 115371567 B CN115371567 B CN 115371567B
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- 238000002844 melting Methods 0.000 title claims abstract description 92
- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 230000008018 melting Effects 0.000 title claims description 4
- 239000002131 composite material Substances 0.000 claims abstract description 74
- 230000000007 visual effect Effects 0.000 claims abstract description 27
- 238000007689 inspection Methods 0.000 claims abstract description 15
- 238000007493 shaping process Methods 0.000 claims abstract description 10
- 230000008030 elimination Effects 0.000 claims description 43
- 238000003379 elimination reaction Methods 0.000 claims description 43
- 239000012943 hotmelt Substances 0.000 claims description 42
- 235000002566 Capsicum Nutrition 0.000 claims description 27
- 239000006002 Pepper Substances 0.000 claims description 27
- 241000722363 Piper Species 0.000 claims description 27
- 235000016761 Piper aduncum Nutrition 0.000 claims description 27
- 235000017804 Piper guineense Nutrition 0.000 claims description 27
- 235000008184 Piper nigrum Nutrition 0.000 claims description 27
- 150000003839 salts Chemical class 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 description 84
- 238000010586 diagram Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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Abstract
The invention relates to a quality detection device for a PE gas hot-melting pipe fitting, which comprises: the shaping processing device is used for identifying the T-shaped PE gas hot-melting pipe fitting in the composite processing image and rotating the T-shaped PE gas hot-melting pipe fitting so that the horizontal pipe fitting part of the rotated T-shaped PE gas hot-melting pipe fitting is parallel to the pixel row in the composite processing image; and the size analysis device is connected with the shaping processing device and used for analyzing the total number of pixel points occupied by the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in the composite processing image respectively and determining the corresponding size deviation grade based on the standard deviation of the total number of the pixel points occupied by the first end, the second end and the third end respectively. The invention can adopt a targeted visual detection mechanism to carry out numerical analysis on the visual distances respectively occupied by the three ends of the T-shaped PE gas hot-melting pipe fitting, and further determine the size deviation grade of the T-shaped PE gas hot-melting pipe fitting, thereby improving the quality inspection precision of the gas hot-melting pipe fitting.
Description
Technical Field
The invention relates to the field of gas hot-melting pipe fittings, in particular to a quality detection device for a PE gas hot-melting pipe fitting.
Background
Due to the rapid development of the society, the gas becomes an indispensable part in the life of people, a gas pipe fitting is needed to be used when the gas is transmitted, the gas pipe fitting is a special gas pipeline, a metal gas pipe hose is used for replacing a traditional buckling rubber hose, and the defects that the rubber hose is easy to fall off, age and bite by insects and has short service life can be overcome. The gas pipe fitting has the characteristics of convenience in installation, reliability in connection, corrosion resistance, no gas blockage, good flexibility, long service life, capability of being bent at will without deformation, no gas blockage and the like, and the surface soft protective layer material has the characteristics of safety, easiness in cleaning and attractiveness.
The gas pipe requires attention to safety when in use, as it can cause many problems at any time: the connection of the gas pipe fittings adopts capacitance or hot melt connection, the gas pipe fittings are not required to be adhered by threaded joints, and pipes and fittings with the same grade are used; the room with the gas pipe fitting can not be used as a bedroom, so that gas leakage and ignition are avoided, life safety is threatened, and meanwhile, flammable and combustible articles cannot be stacked in a kitchen or a room through which the gas pipe passes; before the michael gas pipe is connected, the appearance inspection is carried out and the gas pipe is used according to the requirements, and any damage exceeding 10% of the wall thickness is not included.
The gas pipe fitting to some customization shapes, for example T type PE gas hot melt pipe fitting, need carry out the detection of high accuracy to the distribution size of its three-terminal of T type, and then judge the qualified grade of size of T type PE gas hot melt pipe fitting based on the three-terminal size data that detect to avoid T type PE gas hot melt pipe fitting of inferior quality to flow into market. However, the identification mechanism of the qualified dimension grade of the T-shaped PE gas hot-melt pipe fitting in the prior art is generally insufficient in precision, and is difficult to meet increasingly severe quality requirements for the hot-melt pipe fitting.
CN114935031A discloses an automatic detection flow gas pipeline self-closing valve, including gas-supply pipe, first valve and second valve, the outside fixed mounting of gas-supply pipe has the connecting pipe, the outside of connecting pipe is equipped with detection device and protection component, detection device is including setting up in the outside mounting bracket of gas-supply pipe, the outside fixed mounting of mounting bracket has automatic checkout device, fixed mounting has the test tube on automatic checkout device's the output, the outside of gas-supply pipe is equipped with ultrasonic wave fluid response alarm mechanism. However, the patent only discloses the treatment of leaked gas, achieves the advantage of good protection effect, and does not relate to the identification of the qualified size grade of the pipe fitting.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a quality detection device for a PE (polyethylene) gas hot-melting pipe fitting, which can perform numerical analysis on visual distances respectively occupied by three ends of the T-shaped PE gas hot-melting pipe fitting by adopting a targeted visual detection mechanism so as to determine the size deviation grade of the T-shaped PE gas hot-melting pipe fitting, thereby establishing a high-precision quality inspection mechanism for the T-shaped PE gas hot-melting pipe fitting based on pixel point intervals and ensuring the size qualification rate of the hot-melting pipe fitting.
According to the invention, a quality detection device for PE gas hot-melting pipe fittings is provided, which comprises a detection device, a control device and a control device, wherein the detection device comprises a detection device and a control device;
the pipe fitting conveying mechanism is arranged at the tail end of a production line of the T-shaped PE gas hot-melting pipe fitting and is used for sequentially conveying the single T-shaped PE gas hot-melting pipe fitting to a visual detection station and sending a detection trigger instruction every time the single T-shaped PE gas hot-melting pipe fitting is conveyed, the T-shaped PE gas hot-melting pipe fitting comprises a first end, a second end and a third end, three pipeline openings respectively arranged at the first end, the second end and the third end form a T-shaped structure of the PE gas hot-melting pipe fitting, the first end and the second end form a horizontal pipe fitting part in the T-shaped structure, and the third end forms a bypass pipe fitting part in the T-shaped structure;
the data acquisition mechanism is arranged right above the visual detection station, is connected with the pipe conveying mechanism and is used for acquiring field image data of the environment where the visual detection station is located when a detection trigger instruction is received so as to acquire a corresponding station environment image;
the composite processing mechanism is connected with the data acquisition mechanism and used for executing three layers of processing including random noise elimination, salt and pepper noise elimination and edge enhancement on the received station environment image so as to obtain a corresponding composite processing image, and the composite processing mechanism comprises a time sequence generation device, a random elimination device, a salt and pepper elimination device and an edge enhancement device, wherein the time sequence generation device is respectively connected with the random elimination device, the salt and pepper elimination device and the edge enhancement device;
the shaping processing device is connected with the composite processing mechanism and used for identifying the T-shaped PE gas hot-melting pipe fitting in the received composite processing image and rotating the T-shaped PE gas hot-melting pipe fitting so that the horizontal pipe fitting part of the rotated T-shaped PE gas hot-melting pipe fitting is parallel to the pixel row in the composite processing image;
the size analysis device is connected with the shaping processing device and used for analyzing the total number of pixel points occupied by the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in the composite processing image respectively and determining the corresponding size deviation grade based on the standard deviation of the total number of the pixel points occupied by the first end, the second end and the third end respectively;
wherein determining the corresponding size deviation grade based on the standard deviations of the total number of pixel points occupied by the first end, the second end and the third end in the composite processed image respectively comprises: the determined corresponding size deviation levels are monotonically and positively associated with standard deviations of the total number of pixel points respectively occupied by the first end, the second end and the third end in the composite processed image.
The invention can adopt a targeted visual detection mechanism to carry out numerical analysis on the visual distances respectively occupied by the three ends of the T-shaped PE gas hot-melting pipe fitting, and further determine the size deviation grade of the T-shaped PE gas hot-melting pipe fitting, thereby improving the quality inspection precision of the gas hot-melting pipe fitting.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic external view of a T-shaped PE gas hot-melt pipe applied to a quality detection device for a PE gas hot-melt pipe according to an embodiment of the present invention.
Fig. 2 is a block diagram showing the structure of a quality detection device for PE gas hot-melt pipe fittings according to embodiment a of the present invention.
Fig. 3 is a block diagram showing the structure of a quality detection device for PE gas hot-melt pipe fittings according to embodiment B of the present invention.
Wherein, 1: a first end of a tube; 2: a second end of the tube; 3: and a third end of the pipe fitting.
Detailed Description
Embodiments of the quality inspection apparatus for PE gas hot-melt pipe fittings according to the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic external view of a T-shaped PE gas hot-melt pipe applied to a quality detection device for a PE gas hot-melt pipe according to an embodiment of the present invention. As shown in the figure, the T-shaped PE gas hot-melting pipe fitting includes a first end 1, a second end 2 and a third end 3.
Fig. 2 is a block diagram showing a quality detection apparatus for PE gas hot-melt pipe fittings according to embodiment a of the present invention, the apparatus including:
the pipe fitting conveying mechanism is arranged at the tail end of a production line of the T-shaped PE gas hot-melting pipe fitting and used for sequentially conveying the single T-shaped PE gas hot-melting pipe fitting to a visual detection station and sending a detection trigger instruction every time the single T-shaped PE gas hot-melting pipe fitting is conveyed;
as shown in fig. 1, the T-shaped PE gas hot-melting pipe fitting includes a first end 1, a second end 2 and a third end 3, three pipe openings respectively provided at the first end 1, the second end 2 and the third end 3 constitute a T-shaped structure of the PE gas hot-melting pipe fitting, the first end 1 and the second end 2 constitute a horizontal pipe fitting portion in the T-shaped structure, and the third end 3 constitutes a bypass pipe fitting portion in the T-shaped structure;
the data acquisition mechanism is arranged right above the visual detection station, is connected with the pipe conveying mechanism and is used for acquiring field image data of the environment where the visual detection station is located when a detection trigger instruction is received so as to acquire a corresponding station environment image;
the composite processing mechanism is connected with the data acquisition mechanism and used for executing three layers of processing including random noise elimination, salt and pepper noise elimination and edge enhancement on the received station environment image so as to obtain a corresponding composite processing image, and the composite processing mechanism comprises a time sequence generation device, a random elimination device, a salt and pepper elimination device and an edge enhancement device, wherein the time sequence generation device is respectively connected with the random elimination device, the salt and pepper elimination device and the edge enhancement device;
the shaping processing device is connected with the composite processing mechanism and used for identifying the T-shaped PE gas hot-melting pipe fitting in the received composite processing image and rotating the T-shaped PE gas hot-melting pipe fitting so that the horizontal pipe fitting part of the rotated T-shaped PE gas hot-melting pipe fitting is parallel to the pixel row in the composite processing image;
the size analysis device is connected with the shaping processing device and used for analyzing the total number of pixel points occupied by the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in the composite processing image respectively and determining the corresponding size deviation grade based on the standard deviation of the total number of the pixel points occupied by the first end, the second end and the third end respectively;
wherein determining the corresponding size deviation grade based on the standard deviations of the total number of pixel points occupied by the first end, the second end and the third end in the composite processed image respectively comprises: the determined corresponding size deviation grade is monotonically and positively associated with the standard deviation of the total number of pixel points occupied by the first end, the second end and the third end in the composite processed image respectively;
in an exemplary, monotonic positive correlation between the determined corresponding size deviation levels and the standard deviations of the total number of pixels occupied by the first terminal, the second terminal, and the third terminal in the composite processed image, the larger the value of the standard deviation of the total number of pixels occupied by the first terminal, the second terminal, and the third terminal in the composite processed image, the higher the determined corresponding size deviation level, the larger the representing size deviation degree;
the specific numerical relationship of the determined corresponding size deviation grade and the standard deviation monotonous forward correlation of the total number of the pixel points occupied by the first end, the second end and the third end in the composite processed image is not necessarily in a direct proportion, and can be any forward correlation numerical relationship.
It can be seen that the invention has at least the following three outstanding inventive concepts:
the first place is: aiming at the T-shaped PE gas hot-melting pipe fitting with the customized structure, numerical analysis is carried out on visual distances respectively occupied by three ends of the T-shaped PE gas hot-melting pipe fitting by adopting a targeted visual detection mechanism so as to judge three lengths respectively corresponding to the three ends, and then the size deviation grade of the T-shaped PE gas hot-melting pipe fitting is determined;
the second place: before the three ends of the T-shaped PE gas hot-melting pipe fitting are visually detected, the position of the T-shaped PE gas hot-melting pipe fitting in the image is rotated so that a horizontal pipe fitting part in a T-shaped structure of the T-shaped PE gas hot-melting pipe fitting is parallel to a pixel row of the image, and a bypass pipe fitting part in the T-shaped structure is parallel to a pixel column of the image, so that a subsequent targeted visual detection mechanism can be conveniently executed;
and a third part: in a targeted visual detection mechanism, the determined corresponding size deviation grade is monotonically and positively associated with the standard deviation of the total number of pixel points respectively occupied by the three ends of the T-shaped PE gas hot-melting pipe fitting in the image.
Fig. 3 is a block diagram showing the structure of a quality detection device for PE gas hot-melt pipe fittings according to embodiment B of the present invention.
Unlike the embodiment a of the present invention in fig. 2, the quality inspection apparatus for a PE gas hot-melt pipe fitting in the embodiment B of the present invention further includes:
the content storage chip is respectively connected with the size analysis device and the shaping processing device and is used for storing the T-shaped geometric characteristics and the preset gray threshold of the PE material;
for example, in the stored T-shaped geometric features and the preset grayscale threshold of the PE material, the T-shaped geometric features may be standard patterns, and the number of the standard patterns may be more than one;
for example, in the stored T-shaped geometric features and the preset gray threshold of the PE material, the value of the preset gray threshold of the PE material is between 0 and 255;
wherein the determined monotonic forward correlation of the corresponding size deviation levels with the standard deviations of the total number of pixels occupied by the first end, the second end and the third end in the composite processed image respectively comprises: the standard deviation of the total number of the pixel points occupied by the first end, the second end and the third end in the composite processed image is larger, and the corresponding size deviation grade is determined to be higher;
wherein, the first end, the second end and the third end of the T type PE gas hot melt pipe fitting after the analysis is rotatory are in the total number of pixel that occupies respectively in the composite processing image to the standard deviation based on the total number of pixel that first end, second end and third end occupy respectively determines corresponding size deviation grade and includes: and analyzing the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in three imaging areas in the composite processing image respectively based on the T-shaped geometric characteristics, and acquiring the total number of pixel points respectively occupied by the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in the composite processing image based on the positions of the three imaging areas in the composite processing image.
Hereinafter, a more specific description of the embodiments of the present invention will be continued.
In the quality detection device for the PE gas hot-melting pipe fitting according to any one embodiment of the invention:
analyzing the total number of pixel points occupied by the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in the composite processing image respectively, and determining the corresponding size deviation grade based on the standard deviation of the total number of the pixel points occupied by the first end, the second end and the third end respectively comprises: the total number of pixel points occupied by the first end in the composite processing image is the number of the most pixel columns occupied by the first end in the composite processing image;
wherein, the first end, the second end and the third end of the T type PE gas hot melt pipe fitting after the analysis is rotatory are in the total number of pixel that occupies respectively in the composite processing image to the standard deviation based on the total number of pixel that first end, second end and third end occupy respectively determines corresponding size deviation grade and includes: the total number of pixel points occupied by the second end in the composite processing image is the number of the most pixel columns occupied by the first end in the composite processing image;
wherein, the first end, the second end and the third end of the T type PE gas hot melt pipe fitting after the analysis is rotatory are in the total number of pixel that occupies respectively in the composite processing image to the standard deviation based on the total number of pixel that first end, second end and third end occupy respectively determines corresponding size deviation grade and includes: the total number of pixel points occupied by the third end in the composite processing image is the number of the most pixel rows occupied by the first end in the composite processing image.
In the quality detection device for the PE gas hot-melting pipe fitting according to any one embodiment of the invention:
identifying the PE gas hot-melting pipe fitting in the received composite processing image, and rotating the PE gas hot-melting pipe fitting to enable the horizontal pipe fitting part of the rotated PE gas hot-melting pipe fitting to be parallel to the pixel row in the composite processing image, wherein the horizontal pipe fitting part comprises: and identifying the received PE gas hot-melting pipe fitting in the composite processing image based on a preset gray threshold of the PE material, and rotating the PE gas hot-melting pipe fitting to enable the horizontal pipe fitting part of the rotated PE gas hot-melting pipe fitting to be parallel to the pixel row in the composite processing image.
In the quality detection device for the PE gas hot-melting pipe fitting according to any one embodiment of the invention:
conveying the T type PE gas hot melt pipe fitting of singleton to visual detection station department in proper order to at the conveying of the T type PE gas hot melt pipe fitting of once accomplishing the singleton, send once to detect trigger command and include: sequentially conveying the single T-shaped PE gas hot-melting pipe fittings to a visual detection station by using a conveying belt, and sending a detection trigger instruction every time the conveying of the single T-shaped PE gas hot-melting pipe fittings is finished;
wherein, adopt transmission belt to convey the T type PE gas hot melt pipe fitting of singleton in proper order to visual detection station department to at the conveying of the T type PE gas hot melt pipe fitting of once accomplishing the singleton, send once and detect trigger command and include: every two T-shaped PE gas hot melting pipe fittings on the conveying belt are equally spaced;
wherein, every two liang of intervals of each T type PE gas hot melt pipe fitting equal includes on the transmission belt: the interval between two adjacent T type PE gas hot melt pipe fittings is more than or equal to the set length threshold value.
In the quality detection device for the PE gas hot-melting pipe fitting according to any one embodiment of the invention:
composite treatment mechanism includes that the chronogenesis takes place equipment, eliminates equipment at random, salt and pepper elimination equipment and border reinforcing equipment, the chronogenesis equipment respectively with eliminate equipment at random, salt and pepper elimination equipment and border reinforcing equipment connects and includes: the random elimination device, the salt and pepper elimination device and the edge enhancement device respectively execute the elimination of random noise, the elimination of salt and pepper noise and the edge enhancement image processing on the received image signals;
wherein, combined treatment mechanism includes that chronogenesis takes place equipment, eliminates equipment at random, salt and pepper elimination equipment and border reinforcing equipment, chronogenesis takes place equipment respectively with random elimination equipment the salt and pepper elimination equipment and border reinforcing equipment connects and still includes: the time sequence generating device respectively provides different working clock pulses for the random eliminating device, the salt and pepper eliminating device and the edge enhancing device so as to realize the synchronous control of the actions of the random eliminating device, the salt and pepper eliminating device and the edge enhancing device.
In addition, in the quality detection apparatus for PE gas hot-melt pipe fitting, the timing generation device provides different working clock pulses for the random elimination device, the salt and pepper elimination device, and the edge enhancement device respectively to realize the synchronous control of the actions of the random elimination device, the salt and pepper elimination device, and the edge enhancement device includes: different working clock pulses are square waves and have different positions of rising edges and falling edges.
By adopting the quality detection device for the PE gas hot-melting pipe fitting, disclosed by the invention, aiming at the technical problem of insufficient size and quality detection precision of the gas hot-melting pipe fitting with a heterogeneous geometric structure in the prior art, a targeted visual detection mechanism is adopted to carry out numerical analysis on visual distances respectively occupied by three ends of the T-shaped PE gas hot-melting pipe fitting so as to determine the size deviation grade of the T-shaped PE gas hot-melting pipe fitting, so that the quality detection precision of the gas hot-melting pipe fitting is improved.
While the present invention has been particularly shown and described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as set forth in the appended claims. Furthermore, although elements of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
Claims (10)
1. A quality detection device for PE gas hot melting pipe fittings is characterized by comprising:
the pipe fitting conveying mechanism is arranged at the tail end of a production line of the T-shaped PE gas hot-melting pipe fitting and is used for sequentially conveying the single T-shaped PE gas hot-melting pipe fitting to a visual detection station and sending a detection trigger instruction every time the single T-shaped PE gas hot-melting pipe fitting is conveyed, the T-shaped PE gas hot-melting pipe fitting comprises a first end, a second end and a third end, three pipeline openings respectively arranged at the first end, the second end and the third end form a T-shaped structure of the PE gas hot-melting pipe fitting, the first end and the second end form a horizontal pipe fitting part in the T-shaped structure, and the third end forms a bypass pipe fitting part in the T-shaped structure;
the data acquisition mechanism is arranged right above the visual detection station, is connected with the pipe conveying mechanism and is used for acquiring field image data of the environment where the visual detection station is located when a detection trigger instruction is received so as to acquire a corresponding station environment image;
the composite processing mechanism is connected with the data acquisition mechanism and used for executing three layers of processing including random noise elimination, salt and pepper noise elimination and edge enhancement on the received station environment image so as to obtain a corresponding composite processing image, and the composite processing mechanism comprises a time sequence generation device, a random elimination device, a salt and pepper elimination device and an edge enhancement device, wherein the time sequence generation device is respectively connected with the random elimination device, the salt and pepper elimination device and the edge enhancement device;
the shaping processing device is connected with the composite processing mechanism and used for identifying the T-shaped PE gas hot-melting pipe fitting in the received composite processing image and rotating the T-shaped PE gas hot-melting pipe fitting so that the horizontal pipe fitting part of the rotated T-shaped PE gas hot-melting pipe fitting is parallel to the pixel row in the composite processing image;
the size analysis device is connected with the shaping processing device and used for analyzing the total number of pixel points occupied by the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in the composite processing image respectively and determining the corresponding size deviation grade based on the standard deviation of the total number of the pixel points occupied by the first end, the second end and the third end respectively;
wherein determining the corresponding size deviation grade based on the standard deviations of the total number of pixel points occupied by the first end, the second end and the third end in the composite processed image respectively comprises: the determined corresponding size deviation levels are monotonically and positively associated with standard deviations of the total number of pixel points respectively occupied by the first end, the second end and the third end in the composite processed image.
2. The quality inspection device for PE gas hot-melt pipe fittings according to claim 1, wherein said device further comprises:
the content storage chip is respectively connected with the size analysis device and the shaping processing device and is used for storing the T-shaped geometric characteristics and the preset gray threshold of the PE material;
wherein the determined monotonic forward correlation of the corresponding size deviation levels with the standard deviations of the total number of pixels occupied by the first end, the second end and the third end in the composite processed image respectively comprises: the standard deviation of the total number of pixel points respectively occupied by the first end, the second end and the third end in the composite processing image is larger, and the corresponding size deviation grade is determined to be higher;
wherein, the first end, the second end and the third end of the T type PE gas hot melt pipe fitting after the analysis is rotatory are in the total number of pixel that occupies respectively in the composite processing image to the standard deviation based on the total number of pixel that first end, second end and third end occupy respectively determines corresponding size deviation grade and includes: and analyzing the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in three imaging areas in the composite processing image respectively based on the T-shaped geometric characteristics, and acquiring the total number of pixel points occupied by the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in the composite processing image respectively based on the positions of the three imaging areas in the composite processing image.
3. The quality inspection device for PE gas hot-melt pipe fittings according to any of claims 1-2,
analyzing the total number of pixel points occupied by the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in the composite processing image respectively, and determining the corresponding size deviation grade based on the standard deviation of the total number of the pixel points occupied by the first end, the second end and the third end respectively comprises: the total number of pixel points occupied by the first end in the composite processing image is the number of the most pixel columns occupied by the first end in the composite processing image.
4. The quality inspection device for PE gas hot-melt pipe fittings according to claim 3,
analyzing the total number of pixel points occupied by the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in the composite processing image respectively, and determining the corresponding size deviation grade based on the standard deviation of the total number of the pixel points occupied by the first end, the second end and the third end respectively comprises: the total number of pixel points occupied by the second end in the composite processed image is the number of the maximum pixel columns occupied by the first end in the composite processed image.
5. The quality inspection device for PE gas hot-melt pipe fittings according to claim 4,
analyzing the total number of pixel points occupied by the first end, the second end and the third end of the rotated T-shaped PE gas hot-melting pipe fitting in the composite processing image respectively, and determining the corresponding size deviation grade based on the standard deviation of the total number of the pixel points occupied by the first end, the second end and the third end respectively comprises: the total number of pixel points occupied by the third end in the composite processing image is the number of the most pixel rows occupied by the first end in the composite processing image.
6. The quality inspection device for PE gas hot-melt pipe fittings according to any one of claims 1 to 2,
identifying the PE gas hot-melting pipe fitting in the received composite processing image, and rotating the PE gas hot-melting pipe fitting to enable the horizontal pipe fitting part of the rotated PE gas hot-melting pipe fitting to be parallel to the pixel row in the composite processing image, wherein the horizontal pipe fitting part comprises: and identifying the received PE gas hot-melting pipe fitting in the composite processing image based on a preset gray threshold of the PE material, and rotating the PE gas hot-melting pipe fitting to enable the horizontal pipe fitting part of the rotated PE gas hot-melting pipe fitting to be parallel to the pixel row in the composite processing image.
7. The quality inspection device for PE gas hot-melt pipe fittings according to any one of claims 1 to 2,
conveying the T type PE gas hot melt pipe fitting of singleton to visual detection station department in proper order to at the conveying of the T type PE gas hot melt pipe fitting of once accomplishing the singleton, send once to detect trigger command and include: and sequentially conveying the single T-shaped PE gas hot-melting pipe fittings to a visual detection station by adopting a conveying belt, and sending a detection trigger instruction every time the conveying of the single T-shaped PE gas hot-melting pipe fittings is finished.
8. The quality inspection device for PE gas hot-melt pipe fittings according to claim 7,
adopt transmission belt to convey the T type PE gas hot melt pipe fitting of singleton in proper order to visual detection station department to at the conveying of the T type PE gas hot melt pipe fitting of once accomplishing the singleton, send once and detect trigger command and include: every two T-shaped PE gas hot-melting pipe fittings on the conveying belt are equally spaced;
wherein, every two liang of intervals of each T type PE gas hot melt pipe fitting equal includes on the transmission belt: the interval between two adjacent T type PE gas hot melt pipe fittings is more than or equal to the set length threshold value.
9. The quality inspection device for PE gas hot-melt pipe fittings according to any one of claims 1 to 2,
composite treatment mechanism includes that the chronogenesis takes place equipment, eliminates equipment at random, salt and pepper elimination equipment and border reinforcing equipment, the chronogenesis equipment respectively with eliminate equipment at random, salt and pepper elimination equipment and border reinforcing equipment connects and includes: the random elimination device, the salt and pepper elimination device and the edge enhancement device respectively execute the elimination of random noise, the elimination of salt and pepper noise and the edge enhancement image processing on the received image signals.
10. The quality inspection device for PE gas hot-melt pipe fittings according to claim 9,
composite treatment mechanism includes that the chronogenesis takes place equipment, eliminates equipment at random, salt and pepper elimination equipment and border reinforcing equipment, the chronogenesis equipment respectively with eliminate equipment at random, salt and pepper elimination equipment and border reinforcing equipment connects and still includes: the time sequence generating device respectively provides different working clock pulses for the random elimination device, the salt and pepper elimination device and the edge enhancement device so as to realize the synchronous control of the actions of the random elimination device, the salt and pepper elimination device and the edge enhancement device.
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Denomination of invention: Quality testing device for PE gas hot melt fittings Granted publication date: 20230321 Pledgee: Bank of Jiangsu Limited by Share Ltd. Wuxi branch Pledgor: JIANGTE TECHNOLOGY Co.,Ltd. Registration number: Y2024980042569 |