CN214226756U - System for distinguishing eccentricity of capacitor - Google Patents

Abstract

The utility model discloses a differentiate eccentric system of condenser, include around rolling up module, camera module, analysis and processing module, operating module, be used for saving record storage module and the display module of eccentric condenser information, around rolling up the module with camera module connects, camera module with analysis and processing module connects, analysis and processing module respectively with operating module with record storage module connects, record storage module with display module connects. The analysis processing module distinguishes the position of the guide pin and the distance between two edges of the element by using different colors, sets an error value, and the element exceeding the error value is an eccentric product. Simultaneously with signal transmission for the blanking clamp be operating module, arrange the defective products region with eccentric product, realize distinguishing capacitor off-centre and reject the defective products.

Description

System for distinguishing eccentricity of capacitor

Technical Field

The utility model relates to a condenser technical field, concretely relates to differentiate eccentric system of condenser.

Background

With the change of electronic information technology, the update speed of digital electronic products is faster and faster, and the production and sales volume of consumer electronic products such as flat panel televisions (LCDs and PDPs), notebook computers, and digital cameras is continuously increasing, which drives the growth of capacitor industry. When a voltage is applied across the two plates of the capacitor, the capacitor stores charge. The capacitance of the capacitor is numerically equal to the ratio of the amount of charge on one conductive plate to the voltage between the two plates. Capacitors play an important role in circuits such as tuning, bypassing, coupling, filtering, etc. The tuning circuit of the transistor radio is used, and the coupling circuit, the bypass circuit and the like of the color television are also used.

There are many kinds of capacitors, for example: aluminum electrolytic capacitors, tantalum electrolytic capacitors, self-healing parallel capacitors, monolithic capacitors (multilayer ceramic capacitors), metallized polypropylene capacitors, glass glaze capacitors, and the like, wherein the aluminum electrolytic capacitors are formed by winding two aluminum foils sandwiched between water-absorbing paper impregnated with paste electrolyte, and a thin oxide film is used as a medium. The electrolytic capacitor has polarity because the oxide film has a unidirectional conductive property. The capacitor has the advantages of large capacity, large tolerance to large pulsating current, large capacity error and large leakage current, and is widely applied.

The aluminum electrolytic capacitor consists of elements (the elements are formed by winding anode foil, cathode foil, electrolytic paper and adhesive tape), electrolyte, a cover plate, an aluminum shell and a sleeve. At present, after the element is wound, an electronic adhesive tape is used for gluing the outer ring for a circle, so that the element is prevented from being loosened. Due to the influence of thickness deviation of the anode foil, a wound element appears, and the two guide pins are not positioned in the middle of the cylinder. Causing poor sealing, liquid leakage, scratching and the like in the next process.

Like chinese patent CN110349763A, open day 2019, 10 months and 18 days, a winding device for capacitor production, comprises a base, the top outer wall of base is provided with the sleeve, and telescopic inner wall sliding connection has the slide bar, and the top outer wall of slide bar is provided with the roof, the top outer wall of base is provided with first montant, and the outer wall of first montant has cup jointed the film roller, the top outer wall welding of base has the second montant, and the outer wall of second montant has cup jointed the aluminium foil roller, the outer wall of first montant and second montant all is provided with the baffle, the top outer wall welding of base has fixed frame, and the top outer wall of fixed frame has the motor through bolted connection, the output shaft one end of motor is provided with the carousel. The device can complete quick feeding of the aluminum foil and the thin film, effectively improves the working efficiency of the device, can control the tensioning force led out by the aluminum foil and the thin film, and can uniformly wind the aluminum foil and the thin film on the capacitor electrode, but common winding equipment cannot distinguish the device with product eccentricity or angle requirement, and even cannot reject unqualified products.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the technical problems that the existing capacitor winding equipment cannot distinguish the eccentricity of a product and cannot reject unqualified products are solved. A system for discriminating eccentricity of a capacitor is provided which can discriminate eccentricity of the capacitor and reject defective products.

In order to solve the technical problem, the utility model discloses the technical scheme who takes does: the utility model provides a distinguish eccentric system of condenser, includes around a roll module, camera module, analysis processing module, operating module, be used for the record storage module and the display module of storage eccentric condenser information, around a roll module with camera module connects, camera module with analysis processing module connects, analysis processing module respectively with operating module with record storage module connects, record storage module with display module connects. A system for distinguishing eccentricity of a capacitor is characterized in that a CCD (charge coupled device) image device, namely a camera module, is added at a discharging position after the prime winding is finished. And (4) removing eccentric elements through image identification. The blanking clamp after the prime winding is finished is an operation module, a corresponding camera is added, and the corresponding camera is transmitted to a computer, namely an analysis processing module, through images. Because the electrolytic paper is brown, the guide pins are silver, the analysis processing module utilizes different colors to distinguish the positions of the guide pins and the distances between the two edges of the element, namely connecting the two guide pins, making a plurality of parallel lines of the connecting lines, taking two parallel lines tangent to the element roll from the parallel lines intersected with the element roll, wherein the difference between the distances between the two parallel lines and the connecting lines of the two guide pins is an error value, and the error value is zero when the connecting lines of the two guide pins pass through the center of the element, namely the capacitor element is not eccentric. Setting an error value, wherein the elements exceeding the error value are eccentric products. Meanwhile, signals are transmitted to the blanking clamp, and eccentric products are discharged to a defective product area. The method comprises the steps of simultaneously photographing detected eccentric products, simultaneously recording images transmitted by which cameras, determining corresponding winding devices according to the cameras, recording the images and information of the winding devices into a recording and storing module, conveniently inquiring the product qualification rate of each winding device through an inquiring module when a plurality of winding devices are produced together, checking pictures through a display module during inquiring, and conveniently analyzing the eccentric reasons of the prime winding according to the recorded pictures.

Preferably, the analysis processing module includes a color recognition unit, a feature extraction unit, and an error value calculation unit, the color recognition unit is connected to the camera module, and the error value calculation unit is connected to the color recognition unit through the feature extraction unit. Because the electrolytic paper is brown and the guide pin is silver, the analysis processing module distinguishes the position of the guide pin and the distance between the two edges of the element by utilizing different colors. And extracting the characteristics of the edges of the guide pins and the element, connecting two guide pins with each other, making a plurality of parallel lines of the connecting lines, taking two parallel lines tangent to the element roll from the parallel lines intersected with the element roll, wherein the distance difference between the two parallel lines and the connecting lines of the two guide pins is an error value, and the error value is zero when the connecting lines of the two guide pins pass through the center of the element, namely the capacitor element is not eccentric. An error value is set in the error value calculation unit, and the elements exceeding the error value are eccentric products.

Preferably, the color recognition unit includes a guide pin recognition subunit and a lead-out strip recognition subunit, the guide pin recognition subunit and the lead-out strip recognition subunit are both connected to the camera module, and the guide pin recognition subunit and the lead-out strip recognition subunit are both connected to the feature extraction unit. The system can also be used to detect the eccentricity error value of the capacitor lead-out strip, but since the centre of the lead or both leads is required to be at the centre of the prime, the lead-out strip cannot be present at the centre of the prime at the same time. Otherwise, in order to cause poor riveting in the subsequent process, the error value of the leading-out strip can be calculated by the distance from the parallel line passing through the center of the plain paper roll, the color recognition unit is provided with a guide pin recognition subunit and a leading-out strip recognition subunit, the guide pin and the leading-out strip are distinguished during detection, and the error value of the guide pin and the leading-out strip is calculated by different judging methods to judge whether the product is qualified.

Preferably, the error value calculation unit includes a guide pin error value calculation operator unit corresponding to the guide pin identification subunit and a drawn bar error value calculation operator unit corresponding to the drawn bar identification subunit, and both the guide pin error value calculation operator unit and the drawn bar error value calculation operator unit are connected to the feature extraction unit. The error value calculation unit is provided with a guide pin error value calculation operator unit and a leading-out strip error value calculation operator unit aiming at the guide pin and the leading-out strip, the color identification unit judges whether the guide pin or the leading-out strip is identified through identification, the guide pin or the leading-out strip is brought into the corresponding error value calculation operator unit for error value calculation after characteristic extraction, and whether the guide pin or the leading-out strip is a qualified product is judged through comparison with a set error value.

Preferably, the winding module includes a plurality of winding devices for winding the capacitor element, the camera module includes a plurality of cameras for shooting the produced winding element, and each camera corresponds to a corresponding winding device. This system can carry out eccentric detection to a plurality of winding devices that are used for coiling condenser prime, after the prime is convoluteed and is accomplished, set up the camera in unloading department, every camera corresponds a winding device, also can a camera correspond a plurality of winding devices, when a camera corresponds a plurality of winding devices, the prime of winding device production is coiled according to the circulation in order and is taken through the camera, conveniently record this product and be that winding device produced when detecting out eccentric product promptly unqualified product, can inquire through the query module after entering record storage module with information storage, be convenient for calculate the product percent of pass of winding device production.

Preferably, the operating module comprises a plurality of blanking clamps corresponding to the cameras and a storage area for storing unqualified products. Aligning the blanking clamp with the element scanned by the camera, after the unqualified product is identified, clamping the unqualified capacitor by the blanking clamp, putting the unqualified capacitor into a storage area of the unqualified product, then moving the capacitor back to the original position, and waiting for a new capacitor behind to enter the identification area of the camera.

Preferably, the system further comprises an inquiry module for inquiring the product qualification rate of the production machine, and the inquiry module is connected with the record storage module. The data information in the record storage module can be checked through the query module, the product percent of pass of each winding device can be calculated according to the information, pictures of each unqualified sub-coil can be checked through the display module, and the eccentricity reason of the winding device can be analyzed conveniently.

Preferably, the operation module further comprises a wireless receiving unit for receiving the operation instruction of the analysis processing module. The wireless receiving unit used for receiving the operation instruction of the analysis processing module is arranged in the operation module, the wireless signal transmission unit is arranged in the corresponding analysis processing module, and the operation of the blanking clamp is prevented from being limited by a connecting line through the wireless transmission operation instruction, so that the grabbing and moving of the blanking clamp are more convenient.

The utility model discloses a substantive effect is: the analysis processing module distinguishes the position of the guide pin and the distance between two edges of the element by using different colors, sets an error value, and the element exceeding the error value is an eccentric product. Meanwhile, signals are transmitted to a blanking clamp, namely an operation module, and eccentric products are discharged to a defective product area. The method and the device have the advantages that the detected eccentric products are photographed, the corresponding winding devices are determined according to the cameras, the pictures and the information of the winding devices are recorded in the recording and storing module, the product yield of each winding device can be conveniently inquired through the inquiring module when a plurality of winding devices are produced together, the pictures can be checked through the displaying module during inquiring, the reason of eccentricity of the winding device of the element can be conveniently analyzed according to the recorded pictures, and the eccentricity of the capacitor can be distinguished and unqualified products can be removed.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a schematic structural diagram of the camera module and the analysis processing module according to the embodiment.

Wherein: 1. the device comprises a winding module, 2, a camera module, 3, a color recognition unit, 4, a feature extraction unit, 5, an error value calculation unit, 6, an analysis processing module, 7, an operation module, 8, a record storage module, 9, a display module, 10 and an inquiry module.

Detailed Description

The following provides a more detailed description of the present invention, with reference to the accompanying drawings.

A system for distinguishing eccentricity of a capacitor comprises a winding module 1, a camera module 2, an analysis processing module 6, an operation module 7, a recording storage module 8 and a display module 9, wherein the recording storage module 8 and the display module 9 are used for storing information of the eccentric capacitor, the winding module 1 is connected with the camera module 2, the camera module 2 is connected with the analysis processing module 6, the winding module 1 comprises a plurality of winding devices used for winding capacitor elements, the camera module 2 comprises a plurality of cameras used for shooting generated winding elements, and each camera corresponds to the corresponding winding device. This system can carry out eccentric detection to a plurality of winding devices that are used for coiling condenser prime, after the prime is convoluteed and is accomplished, set up the camera in unloading department, every camera corresponds a winding device, also can a camera correspond a plurality of winding devices, when a camera corresponds a plurality of winding devices, the prime of winding device production is coiled according to the circulation in proper order and is taken through the camera, conveniently record this product and be that winding device produced when detecting out eccentric product promptly unqualified product, can inquire through inquiry module 10 after entering record storage module 8 with information storage, be convenient for calculate the product percent of pass of winding device production. The operation module 7 comprises a plurality of blanking clamps corresponding to the cameras and a storage area for storing unqualified products. Aligning the blanking clamp with the element scanned by the camera, after the unqualified product is identified, clamping the unqualified capacitor by the blanking clamp, putting the unqualified capacitor into a storage area of the unqualified product, then moving the capacitor back to the original position, and waiting for a new capacitor behind to enter the identification area of the camera. The operation module 7 further includes a wireless receiving unit for receiving an operation instruction of the analysis processing module 6. Set up the wireless receiving unit who is used for receiving analysis processing module 6 operating instruction in operating module 7, set up wireless signal transmission unit simultaneously in analysis processing module 6 that corresponds, through wireless transmission operating instruction, prevent that the operation of unloading clamp from receiving the connecting wire restriction, make the removal of snatching of unloading clamp more convenient.

The analysis processing module 6 is respectively connected with the operation module 7 and the record storage module 8, and the record storage module 8 is connected with the display module 9. The analysis processing module 6 comprises a color recognition unit 3, a feature extraction unit 4 and an error value calculation unit 5, wherein the color recognition unit 3 is connected with the camera module 2, and the error value calculation unit 5 is connected with the color recognition unit 3 through the feature extraction unit 4. Because the electrolytic paper is brown and the guide pin is silver, the analysis processing module 6 distinguishes the position of the guide pin and the distance between the two edges of the element by utilizing different colors. And extracting the characteristics of the edges of the guide pins and the element, connecting two guide pins with each other, making a plurality of parallel lines of the connecting lines, taking two parallel lines tangent to the element roll from the parallel lines intersected with the element roll, wherein the distance difference between the two parallel lines and the connecting lines of the two guide pins is an error value, and the error value is zero when the connecting lines of the two guide pins pass through the center of the element, namely the capacitor element is not eccentric. An error value is set in the error value calculation unit 5, and the elements exceeding the error value are eccentric products. The color recognition unit 3 includes a guide pin recognition subunit and a lead-out strip recognition subunit, as shown in fig. 2, both the guide pin recognition subunit and the lead-out strip recognition subunit are connected to the camera module 2, and both the guide pin recognition subunit and the lead-out strip recognition subunit are connected to the feature extraction unit 4. The system can also be used to detect the eccentricity error value of the capacitor lead-out strip, but since the centre of the lead or both leads is required to be at the centre of the prime, the lead-out strip cannot be present at the centre of the prime at the same time. Otherwise, in order to cause poor riveting in the subsequent process, the error value of the leading-out strip can be calculated by the distance from the parallel line passing through the center of the plain paper roll, the color recognition unit 3 is provided with a guide pin recognition subunit and a leading-out strip recognition subunit, the guide pin and the leading-out strip are distinguished during detection, the error values of the guide pin and the leading-out strip are calculated by different judging methods, and whether the product is qualified or not is judged. The error value calculation unit 5 comprises a guide pin error value calculation operator unit corresponding to the guide pin identification subunit and a lead-out strip error value calculation operator unit corresponding to the lead-out strip identification subunit, and the guide pin error value calculation operator unit and the lead-out strip error value calculation operator unit are both connected with the feature extraction unit 4. The error value calculation unit 5 is provided with a guide pin error value calculation operator unit and a lead-out strip error value calculation operator unit aiming at the guide pin and the lead-out strip, the color identification unit 3 identifies whether the guide pin or the lead-out strip is identified, the guide pin or the lead-out strip is brought into the corresponding error value calculation operator unit for error value calculation after characteristic extraction, and whether the guide pin or the lead-out strip is a qualified product is judged by comparing the error value with a set error value. The system also comprises an inquiry module 10 for inquiring the product qualification rate of the production machine, and the inquiry module 10 is connected with the record storage module 8. The data information in the recording storage module 8 can be checked through the query module 10, the product qualification rate of each winding device can be calculated according to the information, and pictures of each unqualified sub-coil can be checked through the display module 9, so that the eccentricity reason can be analyzed conveniently.

The embodiment comprises a winding module 1, a camera module 2, an analysis processing module 6, an operation module 7, a recording storage module 8 for storing information of the eccentric capacitor, a display module 9 and an inquiry module 10, wherein after the prime winding is completed, a CCD (charge coupled device) image device, namely the camera module 2, is added at the discharging position. And (4) removing eccentric elements through image identification. And a corresponding camera is added at the position of the blanking clamp, namely the operation module 7, which is finished by the prime winding, and the corresponding camera is transmitted to a computer, namely the analysis processing module 6, through images. Because the electrolytic paper is brown, the guide pins are silver, the analysis processing module 6 distinguishes the positions of the guide pins and the distances between the two edges of the element by utilizing different colors, namely, two guide pins are connected to form a plurality of parallel lines of the connection lines, two parallel lines tangent to the element roll are taken from the parallel lines intersected with the element roll, the difference between the distances between the two parallel lines and the connection lines of the two guide pins is an error value, and the error value is zero when the connection lines of the two guide pins pass through the center of the element, namely the capacitor element is not eccentric. Setting an error value, wherein the elements exceeding the error value are eccentric products. Meanwhile, signals are transmitted to the blanking clamp, and eccentric products are discharged to a defective product area. The eccentric product that detects is shot simultaneously, the image that which camera transmitted is recorded simultaneously, confirm the winding device that corresponds according to the camera, with the picture with wind in the winding device information record storage module 8, when there are a plurality of winding devices coproduction, the product percent of pass of every winding device is conveniently inquired through inquiry module 10 afterwards, accessible display module 9 looks over the picture when inquiring, also conveniently according to the eccentric reason of picture analysis plain son winding of record, can also be convenient for later seeking and analysis with information storage when having realized distinguishing capacitor eccentricity and rejecting defective products.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (8)

1. The system for distinguishing eccentricity of the capacitor is characterized by comprising a winding module (1), a camera module (2), an analysis processing module (6), an operation module (7), a record storage module (8) and a display module (9), wherein the record storage module (8) is used for storing information of the eccentric capacitor, the winding module (1) is connected with the camera module (2), the camera module (2) is connected with the analysis processing module (6), the analysis processing module (6) is respectively connected with the operation module (7) and the record storage module (8), and the record storage module (8) is connected with the display module (9).

2. The system for distinguishing eccentricity of a capacitor according to claim 1, wherein the analysis processing module (6) comprises a color recognition unit (3), a feature extraction unit (4) and an error value calculation unit (5), the color recognition unit (3) is connected with the camera module (2), and the error value calculation unit (5) is connected with the color recognition unit (3) through the feature extraction unit (4).

3. The system for distinguishing eccentricity of a capacitor according to claim 2, wherein the color recognition unit (3) comprises a guide pin recognition subunit and a lead-out strip recognition subunit, both of which are connected to the camera module (2), and both of which are connected to the feature extraction unit (4).

4. A system for distinguishing eccentricity of a capacitor according to claim 3, wherein the error value calculation unit (5) comprises a guide pin error value calculation operator unit corresponding to the guide pin identification subunit and a lead-out strip error value calculation operator unit corresponding to the lead-out strip identification subunit, both of which are connected to the feature extraction unit (4).

5. A system for distinguishing eccentricity of a capacitor as claimed in claim 1 or 2, wherein the winding module (1) comprises a plurality of winding devices for winding the capacitor elements, and the camera module (2) comprises a plurality of cameras for photographing the generated winding elements, each camera corresponding to a corresponding winding device.

6. System for distinguishing eccentricity of a capacitor according to claim 5, characterized in that the operating module (7) comprises several blanking clamps corresponding to the cameras and storage areas for storing rejected products.

7. A system for distinguishing capacitor eccentricity as claimed in claim 1, further comprising an enquiry module (10) for enquiring production machine product yield, the enquiry module (10) being connected to the record storage module (8).

8. A system for distinguishing between capacitor eccentricities according to claim 1 or 7, characterized in that the operating module (7) further comprises a wireless receiving unit for receiving operating instructions of the analysis processing module (6).

Images