CN119634254A - A metallized capacitor visual detection device - Google Patents
A metallized capacitor visual detection device Download PDFInfo
- Publication number
- CN119634254A CN119634254A CN202411924484.9A CN202411924484A CN119634254A CN 119634254 A CN119634254 A CN 119634254A CN 202411924484 A CN202411924484 A CN 202411924484A CN 119634254 A CN119634254 A CN 119634254A
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- CN
- China
- Prior art keywords
- conveyor belt
- metallized
- metallized capacitor
- movable
- visual inspection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/845—Objects on a conveyor
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention relates to the field of visual detection, in particular to a visual detection device for a metallized capacitor, which comprises a detection conveyor belt, a placement box arranged on the detection conveyor belt, a lifting unit arranged above the detection conveyor belt, a visual detection unit arranged on the lifting unit and a collection conveyor belt arranged on one side of the lifting unit, wherein the lifting unit comprises a fixed frame arranged above the detection conveyor belt, a roller arranged on the fixed frame, a separation conveyor belt arranged on the roller, a movable supporting component arranged on the roller and a movable component arranged on the movable supporting component, pins of the metallized capacitor arranged on the placement box are adsorbed by a magnet in the separation conveyor belt, and the length and the width of the separation conveyor belt are driven to change by the cooperation of the movable supporting component and the movable component, so that the metallized capacitor is lifted up, the main body of the metallized capacitor is fully exposed outside, and the appearance of the metallized capacitor is comprehensively detected by a moving camera.
Description
Technical Field
The invention relates to the field of visual detection, in particular to a visual detection device for a metallized capacitor.
Background
With the rapid development of electronic technology, a metallized capacitor is used as a key element in an electronic circuit, and the quality of the metallized capacitor directly affects the performance and reliability of an electronic product, wherein a mechanical vision detection technology is a common way to detect the capacitance.
In the conventional detection method, a capacitor is usually placed on a conveyor belt, and a visual detection device is installed around the conveyor belt to detect the appearance of the passed capacitor.
Disclosure of Invention
The present invention has been made in view of the above or the problem in the prior art that all sides of a capacitor cannot be detected.
It is therefore an object of the present invention to provide a visual inspection device for metallized capacitors.
The technical scheme includes that the device comprises a detection conveyor belt, a placement box arranged on the detection conveyor belt, a lifting unit arranged above the detection conveyor belt, a visual detection unit arranged on the lifting unit and a collection conveyor belt arranged on one side of the lifting unit, wherein the lifting unit comprises a fixing frame arranged above the detection conveyor belt, a roller wheel arranged on the fixing frame, a separation conveyor belt arranged on the roller wheel, a movable supporting assembly arranged on the roller wheel and a movable assembly arranged on the movable supporting assembly.
The visual detection device for the metallized capacitor is characterized in that four groups of separation conveyor belts are arranged and are distributed in a rectangular shape, supporting blocks are arranged on the roller, supporting grooves matched with the supporting blocks above are arranged on the fixing frame and are horizontally arranged, and movable grooves matched with the supporting blocks below are arranged on the fixing frame and are obliquely arranged.
As a preferable scheme of the metallized capacitor visual detection device, the magnet is arranged on the separation conveyor belt.
As a preferable scheme of the metallized capacitor visual detection device, the movable support component comprises a first connecting block arranged on the roller, a second connecting block arranged on the other group of rollers below, an inserting block arranged on the first connecting block, an inserting groove arranged on the second connecting block and a support spring arranged in the inserting groove.
The visual detection device for the metallized capacitor comprises a rotating block, a connecting shaft, a first motor and a movable rod, wherein the rotating block is arranged on a fixed frame, the connecting shaft is arranged on the rotating block, the first motor is arranged on the connecting shaft, the movable rod is arranged on the rotating block, a first supporting hole matched with the connecting shaft is formed in the fixed frame, and a rotating groove matched with the movable rod is formed in the first connecting block.
As a preferable scheme of the metallized capacitor visual detection device, the visual detection unit comprises a fixed plate arranged on the fixed frame, a moving camera arranged on the fixed plate and a separation assembly arranged on the fixed plate.
As an optimal scheme of the metallized capacitor visual detection device, a plurality of groups of moving cameras are arranged, and the moving cameras are distributed in an arc shape on the fixed plate.
The metallized capacitor visual detection device is characterized in that the separation assembly comprises a second motor arranged on the fixed plate, a rotating rod arranged on the second motor and a separation rod arranged on the rotating rod, and a second supporting hole matched with the rotating rod is formed in the fixed plate.
As a preferable scheme of the visual detection device for the metallized capacitor, one side of the fixing frame is provided with the material guide plate, and the upper part of the material guide plate is inclined to one side of the separation conveyor belt.
As a preferable scheme of the metallized capacitor visual detection device, the collecting conveyor belt is arranged below the first supporting hole.
The visual detection device for the metallized capacitor has the beneficial effects that the pins of the metallized capacitor on the placement box are adsorbed by the magnet in the separation conveyor belt, the length and width of the separation conveyor belt are driven to change by the cooperation of the movable supporting component and the movable component, the metallized capacitor is lifted up by the pins of the metallized capacitor, the main body part of the metallized capacitor is fully exposed outside, the appearance of the metallized capacitor is comprehensively detected by the moving camera, the unqualified capacitor is beaten back to the placement box by the separation component, and the metallized capacitor which is qualified in detection is sent to the collection conveyor belt by the first supporting hole, so that the detection of the metallized capacitor is completed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a visual inspection device for metallized capacitor.
Fig. 2 is a schematic structural diagram of a movable component of the visual inspection device for metallized capacitor.
Fig. 3is a schematic diagram of a rear view structure of a visual inspection device for metallized capacitor.
Fig. 4 is a schematic structural diagram of a fixing frame of the visual detection device for metallized capacitor.
Fig. 5 is a schematic cross-sectional structure of a separating conveyor belt of a visual inspection device for metallized capacitor.
Fig. 6 is a schematic structural diagram of a rotating block of the visual inspection device for metallized capacitor.
Fig. 7 is a schematic cross-sectional structure of a second connection block of the visual inspection device for metallized capacitor.
Fig. 8 is a schematic structural diagram of a separation assembly of a metallized capacitive visual inspection device.
Fig. 9 is a schematic structural diagram of a fixing plate of the visual inspection device for metallized capacitor.
1, Detecting a conveyor belt; 2, placing box, a, metallizing capacitor, 3, lifting unit, 31, fixing frame, 311, supporting groove, 312, movable groove, 313, first supporting hole, 314, guide plate, 32, roller, 321, supporting block, 33, separating conveyor belt, 331, magnet, 34, movable supporting component, 341, first connecting block, 3411, rotating groove, 342, second connecting block, 343, inserting block, 344, inserting groove, 345, supporting spring, 35, movable component, 351, rotating block, 352, connecting shaft, 353, first motor, 354, movable rod, 4, visual detecting unit, 41, fixed plate, 411, second supporting hole, 42, moving camera, 43, separating component, 431, second motor, 432, rotating rod, 433, separating rod, 5, collecting conveyor belt.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
An embodiment 1, referring to fig. 1-2, is a first embodiment of the present invention, and provides a visual detection device for a metallized capacitor, which includes a detection conveyor 1 for conveying a metallized capacitor a to be detected, a placement box 2 disposed on the detection conveyor 1, a plurality of groups of grooves disposed on the placement box 2 for placing the metallized capacitor a to be detected, a capacitor pin in the groove facing upwards for preventing the pin from being squeezed, causing the pin to deform, a lifting unit 3 disposed above the detection conveyor 1 for lifting the metallized capacitor a disposed on the placement box 2, a visual detection unit 4 for detecting the appearance of the lifted metallized capacitor a conveniently, and rejecting the unqualified metallized capacitor a from the lifting unit 3, and a collection conveyor 5 disposed on one side of the lifting unit 3 for collecting and conveying the metallized capacitor a qualified to be detected;
The lifting unit 3 comprises a fixing frame 31 arranged above the detection conveyor belt 1, the fixing frame 31 is fixedly arranged in a detection workshop, a roller 32 arranged on the fixing frame 31 and used for rotating, a separation conveyor belt 33 arranged on the roller 32 and driving the separation conveyor belt 33 to drive when the roller 32 rotates, a movable supporting component 34 arranged on the roller 32 and used for supporting the separation conveyor belt 33 through the roller 32, and meanwhile, when the shape of the separation conveyor belt 33 changes, the separation conveyor belt 33 is movably supported, and a movable component 35 arranged on the movable supporting component 34 and used for controlling the shape of the separation conveyor belt 33 to change through the roller 32 and the movable supporting component 34 and driving the metallized capacitor a to leave the placement box 2 and simultaneously driving the metallized capacitor a on the separation conveyor belt 33 to approach the visual detection unit 4 and carrying out appearance detection on the metallized capacitor a.
In summary, when the device is operated, firstly, the metallized capacitor a is placed on the placement box 2 through the groove, so that the stitch of the metallized capacitor a faces upwards, at this time, the placement box 2 filled with the metallized capacitor a is placed on the detection conveyor belt 1, at this time, the detection conveyor belt 1 drives the placement box 2 to convey towards the direction close to the separation conveyor belt 33, when the placement box 2 follows the detection conveyor belt 1 to move below the separation conveyor belt 33, the movable assembly 35 is started, the width of the rectangle formed by the separation conveyor belt 33 is increased, the length is reduced, at this time, the bottom of the separation conveyor belt 33, namely, the wide edge of the rectangle formed by the separation conveyor belt 33 is close to the placement box 2, the metallized capacitor a on the placement box 2 is adsorbed through the stitch of the metallized capacitor a, at this time, the separation conveyor belt 33 is driven by the movable assembly 35 and the movable support assembly 34 to restore the original shape, at this time, the separation conveyor belt 33 drives the metallized capacitor a to leave the placement box 2, at this time, the main body part of the metallized capacitor a is fully exposed to the outside;
At this time, the separating conveyor belt 33 drives the metallized capacitor a to pass through the visual detection unit 4, at this time, the visual detection unit 4 performs visual detection on the metallized capacitor a on the separating conveyor belt 33, and drops off the unqualified metallized capacitor a, and because the detecting conveyor belt 1 and the separating conveyor belt 33 synchronously move, the unqualified metallized capacitor a dropped off at this time just drops on the placing box 2, and is convenient to recycle, at this time, the detected metallized capacitor a is conveyed onto the collecting conveyor belt 5 through the separating conveyor belt 33, and at this time, the collecting conveyor belt 5 conveys the metallized capacitor a qualified to the next procedure.
Embodiment 2 referring to fig. 1 to 7, in a second embodiment of the present invention, unlike the previous embodiment, the metallized capacitor a is lifted up so that the body of the metallized capacitor a is fully exposed to the air, thereby facilitating the detection by the visual detection unit 4. Further, compared with embodiment 1, the separating conveyor belt 33 is provided with four groups, which are rectangular in distribution;
The roller 32 is provided with a supporting block 321 for supporting the roller 32, the fixed frame 31 is provided with a supporting groove 311 matched with the supporting block 321 above, and the supporting groove 311 is horizontally arranged for being matched with the roller 32 to move back and forth on the supporting groove 311;
The fixed frame 31 is provided with a movable groove 312 matched with the lower supporting block 321, the movable groove 312 is obliquely arranged, and the movable groove 312 is used for supporting the moving track of the supporting block 321 when the length and width of a rectangle formed by the separation conveyor belt 33 are changed.
The separating conveyor belt 33 is provided with a magnet 331 for attracting pins of the metallized capacitor, and magnetic materials such as ferrite exist in the pins of the metallized capacitor a, and the materials are added in the process of manufacturing the metallized capacitor a for stabilizing the characteristics of the metallized capacitor a in the high-frequency circuit and preventing the pins from deforming, when the magnet 331 is close to the pins of the metallized capacitor a, magnetic force lines can pass through the pins, and the magnetic materials in the pins can feel the effect of magnetic force, so that the magnetic force lines are attracted by the magnet 331.
The movable supporting component 34 includes a first connecting block 341 disposed on the roller 32, a second connecting block 342 disposed on another set of rollers 32 below, the first connecting block 341 and the second connecting block 342 are used for connecting the upper roller 32 and the lower roller 32, playing a role of supporting and connecting, an inserting block 343 disposed on the first connecting block 341, an inserting groove 344 disposed on the second connecting block 342, for matching with the sliding up and down of the inserting block 343, matching with the rectangular length and width variation formed by the separating conveyor 33, and a supporting spring 345 disposed in the inserting groove 344, for deforming along with the sliding up and down of the inserting block 343, providing stable support for the first connecting block 341 and the second connecting block 342, and keeping the roller 32 from supporting the separating conveyor 33, so that the surface of the separating conveyor 33 does not collapse, and ensuring the normal transmission of the separating conveyor 33.
The movable assembly 35 includes a rotating block 351 disposed on the fixed frame 31, a connecting shaft 352 disposed on the rotating block 351, a first motor 353 disposed on the connecting shaft 352, and a movable rod 354 disposed on the rotating block 351, where the rotating block 351 is configured to rotate and push the movable rod 354, so as to drive the two sets of movable support assemblies 34 to approach or separate from each other, thereby cooperating with the movable support assemblies 34 to change the rectangular length and width formed by the separation conveyor belt 33, the connecting shaft 352 is configured to rotate the control rotating block 351 and simultaneously support the rotating block 351, the first motor 353 is configured to generate power to drive the connecting shaft 352 to rotate, thereby driving the rotating block 351 to rotate, and the movable rod 354 is configured to push and pull the movable support assemblies 34 along with the rotation of the rotating block 351, so as to control the separation conveyor belt 33 to approach or separate from the detection conveyor belt 1;
the fixing frame 31 is provided with a first supporting hole 313 matched with the connecting shaft 352, and the first supporting hole is used for being matched with the connecting shaft 352 to play a supporting role;
The first connection block 341 is provided with a rotation groove 3411 for engaging the movable rod 354 for rotation of the movable rod 354.
The rest of the structure is the same as in embodiment 1.
In summary, when the placement cassette 2 should detect that the conveyor belt 1 is conveyed below the separation conveyor belt 33, at this time, the first motor 353 is started to drive the connection shaft 352 to rotate, at this time, the rotating block 351 rotates synchronously, at this time, the rotating block 351 pulls the movable rod 354 toward the middle, at this time, the movable rod 354 pulls the first connection block 341 toward the middle through the rotating groove 3411, at this time, the upper support blocks 321 approach each other through the support groove 311, and the lower support blocks 321 approach each other through the movable groove 312, at this time, the support springs 345 move downward while moving along with the movement of the first connection block 341, slowly release, maintain the tension of the first connection block 341 and the second connection block 342 on the roller 32, thereby maintaining the separation conveyor belt 33 from collapsing, at this time, the rectangular width formed by the separation conveyor belt 33 increases, the length decreases, at this time, at the bottom of the separation conveyor belt 33, namely, the width of the rectangle formed by the separation conveyor belt 33 is close to the placement box 2, at this time, the magnet 331 adsorbs the metallized capacitor a on the placement box 2 through the stitch of the metallized capacitor a, at this time, the first motor 353 is controlled to rotate reversely, the first connecting block 341 is pushed by the movable rod 354 to drive the movable supporting component 34 to be wholly restored, at this time, the width of the rectangle formed by the separation conveyor belt 33 is reduced, the length is increased, at this time, the bottom of the separation conveyor belt 33 drives the metallized capacitor a to leave the placement box 2, at this time, the metallized capacitor a is suspended on the separation conveyor belt 33 through the attraction of the magnet 331 to the stitch, at this time, the main body of the metallized capacitor a is fully exposed to the outside, at this time, the separation conveyor belt 33 drives the metallized capacitor a to pass through the visual detection unit 4, and at this time the visual detection unit 4 can comprehensively detect the appearance of the metallized capacitor a.
Embodiment 3 referring to fig. 1 to 9, a second embodiment of the present invention is different from the previous embodiment in that the appearance of the metallized capacitor a is detected and the reject is failed. Further, compared with embodiment 1, the visual inspection unit 4 includes a fixing plate 41 disposed on the fixing frame 31, a moving camera 42 for supporting and fixing the moving camera, the moving camera being disposed on the fixing plate 41, for detecting the appearance of the passing metallized capacitor a, and a separating component 43 disposed on the fixing plate 41, for dropping off the unqualified capacitor detected by the moving camera 42, and separating the unqualified capacitor from the qualified capacitor.
The moving cameras 42 are provided with a plurality of groups, and the moving cameras 42 are distributed in an arc shape on the fixed plate 41, so that the appearance of the metallized capacitor a can be more comprehensively detected through multiple angles.
The separating assembly 43 includes a second motor 431 disposed on the fixed plate 41 and configured to generate power, a rotating rod 432 disposed on the second motor 431 and configured to rotate in cooperation with the second motor 431, and a separating rod 433 disposed on the rotating rod 432 and configured to rotate in cooperation with the rotation of the rotating rod 432, so as to drop off the unqualified metallized capacitor a on the separating conveyor belt 33;
The fixed plate 41 is provided with a second supporting hole 411 for the rotating rod 432, and the rotating rod 432 is supported.
Wherein, a guide plate 314 is disposed on one side of the fixing frame 31, and the upper portion of the guide plate 314 is inclined to one side of the separation conveyor belt 33, for receiving the qualified metallized capacitor a on the separation conveyor belt 33 and guiding the qualified metallized capacitor a to enter the collection conveyor belt 5, when the separation conveyor belt 33 drives the metallized capacitor a to pass through the motion camera 42, the metallized capacitor a is attached to the surface of the separation conveyor belt 33 under the action of gravity, and the metallized capacitor a is conveyed to the upper surface of the separation conveyor belt 33 along with the separation conveyor belt 33. At this time, the metallized capacitor a lies on the separating conveyor 33, when the separating conveyor 33 drives the metallized capacitor a to approach the material guiding plate 314, the separating conveyor 33 drives the metallized capacitor a to move downwards, and because the main weight of the metallized capacitor a is larger than the pins, when the metallized capacitor a is conveyed to the side surface of the separating conveyor 33, under the action of gravity, the metallized capacitor a turns over, the pins of the metallized capacitor a face upwards, and the main body part faces downwards, at this time, the metallized capacitor a is guided into the material guiding plate 314 through the first connecting block 341, and slides into the collecting conveyor 5 through the action of gravity due to the action of the transmission of the separating conveyor 33, at this time, the metallized capacitor a is left on the material guiding plate 314.
Wherein the collecting conveyor 5 is disposed below the first supporting hole 313.
The rest of the structure is the same as in embodiment 2.
In summary, when the separating conveyor belt 33 drives the metallized capacitor a to pass through the moving camera 42, the moving camera 42 performs appearance detection on the suspended metallized capacitor a, when the moving camera 42 detects the unqualified metallized capacitor a, the second motor 431 is started to drive the second motor 431 to rotate by controlling the rotating rod 432, so that the unqualified metallized capacitor a is dropped, and when the moving camera 42 detects the metallized capacitor a, the placing box 2 just moves to the lower part of the moving camera 42, the metallized capacitor a dropped by the separating rod 433 drops onto the placing box 2, and the placing box 2 enters the next procedure;
The metallized capacitor a which is qualified in detection continues to be conveyed through the separating conveyor belt 33, the metallized capacitor a is conveyed to one side of the rectangular wide edge formed by the separating conveyor belt 33, the metallized capacitor a is attached to the surface of the separating conveyor belt 33 until the metallized capacitor a is conveyed to the upper surface of the separating conveyor belt 33 under the action of gravity, the metallized capacitor a is laid on the separating conveyor belt 33, when the separating conveyor belt 33 drives the metallized capacitor a to the side surface of the separating conveyor belt 33, the metallized capacitor a is overturned under the action of gravity, the pins of the metallized capacitor a are upward, the main body part is downward, the metallized capacitor a is guided into the guide plate 314 through the first connecting block 341, the metallized capacitor a is remained on the guide plate 314 under the action of gravity, the metallized capacitor a slides into the collecting conveyor belt 5 under the action of gravity, and enters the next procedure along with the conveying of the collecting conveyor belt 5.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202411924484.9A CN119634254A (en) | 2024-12-25 | 2024-12-25 | A metallized capacitor visual detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202411924484.9A CN119634254A (en) | 2024-12-25 | 2024-12-25 | A metallized capacitor visual detection device |
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CN119634254A true CN119634254A (en) | 2025-03-18 |
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CN202411924484.9A Pending CN119634254A (en) | 2024-12-25 | 2024-12-25 | A metallized capacitor visual detection device |
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CN (1) | CN119634254A (en) |
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2024
- 2024-12-25 CN CN202411924484.9A patent/CN119634254A/en active Pending
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