Capacitor assembly assembly device and capacitor assembly method using the same
Through the capacitor assembly assembly device, the capacitor and the bracket are mechanically and electrically combined in the assembly area, and the normal operation of the components is ensured through multiple inspections, which solves the problems of low space utilization efficiency and instability when the capacitor is installed on the circuit board, and achieves the effects of compact assembly and high reliability.
Patent Information
- Application Number
- CN202180005881.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2020-08-14
- Filing Date
- 2021-06-15
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2041-06-15
AI Technical Summary
When existing capacitors are installed on circuit boards, the high pin height leads to low space utilization efficiency, and the bent pins are prone to breakage, resulting in electronic device failure.
A capacitor assembly assembly device is designed to mechanically and electrically combine the capacitor and bracket in the assembly area through a conveying module to check whether the assembly is working normally, and to ensure that the mechanical and electrical characteristics of the assembly meet the standards through a specific timing assembly sequence and multiple inspection steps.
The compact assembly of capacitor components is realized, the space utilization efficiency of the circuit is improved, and the defective yield is reduced through multiple inspections, ensuring the stability and reliability of the components.
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Figure CN114556505B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a capacitor assembly assembly device and a capacitor assembly method using the same. Background Art
[0002] A capacitor is a device that temporarily stores electrical energy in an electronic circuit, and is called a capacitor or accumulator. Generally, a capacitor has a structure in which an insulating dielectric is formed between two conductive electrodes, and if a voltage is applied between the two electrodes of the capacitor, a (-) charge is induced in one electrode and a (+) charge is induced in the other electrode, thereby storing energy. This energy storage principle is used to charge or discharge the charge, thereby suppressing a sharp rise or fall in voltage. Due to the role of such a capacitor, the capacitor is one of the necessary components for constituting an electronic circuit.
[0003] In addition, the capacitor may include: a capacitor body that senses different charges and has a dielectric; and a pair of pins that are connected to the respective conductor electrodes and combined with the electronic circuit to allow current to flow. In the past, the pins were directly joined to the circuit board by welding, etc., but in this case, the pins occupy a large height in the surface direction of the circuit board, so there is a portion of the space for arranging the circuit board with low utilization efficiency. In addition, in the case where the pins are bent to reduce the height, the bent portion may break, so that the capacitor may be separated from the circuit board, and there is a risk of causing a malfunction of the electronic device.
[0004] Therefore, in order to solve this problem, attempts are being made to cut the pins of the capacitors and combine them with the brackets to form an assembly. In order to construct such an assembly, there is a continuous industrial demand for equipment and methods for processing capacitors into uniform shapes and checking whether the processed capacitors are mechanically and electrically normal. Summary of the invention
[0005] Technical issues
[0006] In order to solve the problem described in the background art, an object of the present invention is to provide a capacitor assembly device which arranges a capacitor and a bracket on a conveying module and processes the capacitor and the bracket into one body to check whether the capacitor assembly works normally.
[0007] Furthermore, an object is to provide a capacitor assembly assembly method having a sequential assembly sequence that must be performed in order to assemble the capacitor assembly and performing these assembly steps simultaneously.
[0008] The technical problems to be solved by the present invention are not limited to the technical problems mentioned above, and ordinary technicians can clearly understand other technical problems not mentioned from the following description.
[0009] Technical Solution
[0010] According to a capacitor assembly assembly device of the present invention, a capacitor assembly is assembled by combining capacitors having pins of the same length with a bracket including a pair of receiving partitions for receiving the capacitors inside, which may include: a conveying module including a plurality of assembly areas, which moves the assembly areas in one direction when the capacitor assemblies are placed in the assembly areas; a processing module which mechanically and electrically combines the capacitors with the brackets to assemble them into the capacitor assembly; and an inspection module which inspects whether the capacitor assembly mechanically and electrically combined by the processing module is defective.
[0011] Furthermore, the conveying module may enable the assembling area to move in a direction, and the assembling area may move a predetermined distance per predetermined unit time.
[0012] Furthermore, the assembly area may include: a processing area, including an alignment and pressing area for mechanically assembling the component and a pin bonding area for electrically connecting the capacitor constituting the component to the bracket; an inspection area, including a visual inspection area for visually inspecting the pin bonding state in order to inspect whether the capacitor component formed according to the combination in the processing area is defective and an electrical inspection area for inspecting the electrical characteristics of the capacitor component; and a defective product classification area, which determines whether the capacitor component is defective and classifies it into at least one item based on the inspection result in the inspection area, wherein the capacitor of the capacitor assembly includes; a first pin area, one end of which protrudes from the main body; a bending area, one end of which is connected to the other end of the first pin area and is bent in a manner having a predetermined angle relative to the first pin area; a second pin area, one end of which is connected to the other end of the bending area and is formed in a manner substantially parallel to the first pin area.
[0013] Furthermore, the processing module may be formed at a position corresponding to the processing area, and the inspection module may be formed at a position corresponding to the inspection area, so as to respectively perform processing of the capacitor component and inspection of the capacitor component.
[0014] Furthermore, the processing module may include: a bracket alignment module, which moves parallel to a first direction to adjust the position of the bracket so that the bracket is positioned in a first pressing area; a capacitor body pressurizing module, which moves parallel to a second direction perpendicular to the first direction to apply pressurization so that the body of the capacitor is accommodated between the accommodation walls of the bracket; a pin pressurizing module, which moves parallel to the second direction to pressurize the pins of the capacitor so that the pins of the capacitor are bent to contact a pair of electrodes formed on the base of the bracket; and a pin bonding module, which processes conductive materials to electrically connect the pins of the capacitor to the electrodes of the bracket.
[0015] Furthermore, the pin bonding module may electrically connect the pins of the capacitor and the electrodes of the bracket through a welding process.
[0016] Furthermore, the inspection module may include a plurality of visual inspection modules for visually sensing whether the pins are engaged, the visual inspection modules including: a first visual inspection module for inspecting whether the pins are engaged from the second direction; and a second visual inspection module for inspecting whether the pins are engaged from the first direction.
[0017] Furthermore, the inspection module may further include: a first charging module, which charges the capacitor during a first charging time; a voltage inspection module, which checks the voltage applied from the capacitor charged by the first charging module; a second charging module, which charges the capacitor during a second charging time after the inspection by the voltage inspection module; a current inspection module, which checks the applied current of the capacitor; a discharge module, which is grounded to discharge the residual power of the capacitor after the voltage inspection and the current inspection; and a characteristic inspection module, which measures the characteristics of the capacitor including the electrostatic capacitance, wherein the second charging time is set to be longer than the first charging time.
[0018] Also, the second charging time may have a unit time that is two to six times that of the first charging time.
[0019] Furthermore, the first charging time may be N unit times, and the first charging time is performed by N first charging modules respectively for charging for one unit time. The second charging time may be 2N to 6N unit times, and the second charging time is performed by 2N to 6N second charging modules respectively for charging for one unit time.
[0020] Furthermore, the voltage inspection module, the current inspection module, and the characteristic inspection module may be formed between the first visual inspection module and the second visual inspection module.
[0021] In addition, the inspection module may also include: a defective product classification module, which senses mechanical defects detected by the first visual inspection module and the second visual inspection module, and electrical defects of the capacitor component detected by the voltage inspection module, the current inspection module, and the characteristic inspection module to determine whether the capacitor component is defective, and classifies the module into at least one item.
[0022] And, the items can be divided into mechanically bad components and electrically bad components.
[0023] Furthermore, it may also include: a control unit, which controls according to the mechanically defective component to apply feedback to the processing module, wherein, when the capacitor component is judged to be mechanically defective according to the inspection of the first visual inspection module, the control unit increases the bonding time of the pin bonding module, and when the capacitor component is judged to be mechanically defective according to the inspection of the second visual inspection module, the control unit increases the pressure strength of the pin pressurizing module.
[0024] In addition, according to a capacitor assembly method of the present invention, as a capacitor assembly device method for assembling a capacitor assembly by combining capacitors having pins of the same length with a bracket including a pair of receiving partitions for receiving the capacitors inside, the method may include the following steps: a processing step, for a capacitor assembly placed in a conveying module including a plurality of assembly areas and the assembly areas moving in one direction, in order to assemble the capacitor assembly, the capacitor and the bracket constituting the capacitor assembly are processed; and an inspection step, for inspecting whether the capacitor assembly mechanically and electrically combined by the processing step is defective, wherein the inspection step includes: an alignment and pressing step, in order to mechanically combine the capacitor with the bracket, along a first direction and with The capacitor and the bracket are pressurized in a second direction perpendicular to the first direction so that the capacitor is inserted between the receiving walls combined with the bracket; and a pin bonding step, after the alignment and pressing steps, bonding is performed to electrically connect the pins of the capacitor with a pair of electrodes formed on one side of the bracket, wherein in the processing step, the capacitor of the capacitor assembly includes: a first pin area, one end of which protrudes from the main body; a bending area, one end of which is connected to the other end of the first pin area and is bent at a set angle relative to the first pin area; a second pin area, one end of which is connected to the other end of the bending area and is formed in parallel with the first pin area.
[0025] Furthermore, in the alignment and pressing step, in order to align the position of the bracket in the first pressing area in the assembly area of the conveying module, the bracket can be pressed along the first direction to position it, and the body of the capacitor can be pressed along the second direction perpendicular to the first direction in the first pressing area so that the body of the capacitor is inserted and coupled between the receiving partitions, and in the second pressing area formed adjacent to the first pressing area in the assembly area of the conveying module, the pins of the capacitor are pressed along the second direction so that the pins of the capacitor contact the electrodes of the bracket.
[0026] Furthermore, the inspection step may include: a first visual inspection step, photographing from the second direction and visually sensing whether the pin is engaged with the electrode in the pin bonding step; a voltage inspection step, after the first visual inspection step, charging the capacitor and inspecting whether the component is operating within a normal voltage range; a current inspection step, after the voltage inspection step, charging the capacitor and inspecting whether the capacitor component is operating within a normal current range; a characteristic inspection step, discharging the capacitor and inspecting the characteristics of the capacitor component including the electrostatic capacitance of the capacitor; and a second visual inspection step, photographing from the first direction and visually sensing whether the pin is engaged with the electrode in the pin bonding step.
[0027] Furthermore, the following steps may be included: a first charging step, charging the capacitor for N unit times before the voltage checking step; a second charging step, charging the capacitor for 2N to 6N unit times before the current checking step, wherein in the first charging step, N first charging modules each perform charging for one unit time, and in the second charging step, 2N to 6N second charging modules each perform charging for one unit time.
[0028] Furthermore, after the inspection step, the following step may be included: a defect classification step of classifying the capacitor assemblies with poor bonding or the capacitor assemblies with capacitors that do not operate within a normal range in the inspection step, wherein the defect classification step distinguishes between mechanical defects sensed by a first visual inspection step and a second visual inspection step of visually inspecting whether the pin is bonded to the electrode, and electrical defects sensed by a voltage inspection step, a current inspection step, and a characteristic inspection step of sensing the electrical characteristics of the capacitor assembly.
[0029] Furthermore, according to the defect classification step, when the mechanical defect occurs at a predetermined rate or above, the pressure applied to the capacitor or the bracket can be adjusted, or the joining time between the capacitor and the bracket can be adjusted in the processing step.
[0030] Technical Effects
[0031] By using the capacitor assembly device and the capacitor assembly method using the same according to the present invention, the capacitor is processed into a capacitor that can be mounted on a circuit board in the form of a component, thereby reducing the volume occupied by the circuit as a whole. Therefore, it has the advantage of being able to form a compact circuit by a capacitor assembly having a capacitor processed by the capacitor assembly device.
[0032] Furthermore, in order to combine a plurality of capacitors with the bracket to assemble a capacitor assembly, different assembling processes are simultaneously performed, thereby having the advantage of enabling automatic assembly.
[0033] Furthermore, since defective products can be sorted out by checking for defects in multiple inspection steps during the assembly process, it is possible to prevent the manufacture of defective components, and if necessary, feedback can be provided to the processing module to reduce the defect rate of the capacitor assembly.
[0034] Furthermore, when inspecting whether there is a defect or not, double inspection is performed on mechanical defect and electrical defect, so there is an advantage that accurate defect inspection can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS
[0035] Figure 1 is a perspective view of a capacitor assembly manufactured by the capacitor assembly assembling apparatus according to the present invention.
[0036] Figure 2 and Figure 3 is a schematic perspective view of a capacitor assembly assembly device according to the present invention.
[0037] Figure 4 2 is a schematic diagram schematically showing an area traveled as a conveying module moves in the capacitor assembly assembly apparatus according to the present invention.
[0038] Figure 5 1 is a reference diagram showing a process of performing alignment or pressing in an alignment and pressing area in a component assembling device according to the present invention.
[0039] Figure 6 1 is a reference diagram illustrating a process of performing a visual inspection in a capacitor assembly assembly apparatus according to the present invention.
[0040] Figure 7 It is a schematic diagram for classifying defects in the capacitor assembly assembly device and the capacitor assembly method according to the present invention.
[0041] Figure 8The figure schematically shows the defect status monitored on the display unit as the unit time elapses in the capacitor assembly apparatus and the capacitor assembly method according to the present invention.
[0042] Fig. 9 is a flowchart showing a capacitor assembly assembling method using the capacitor assembly assembling apparatus according to the present invention.
[0043] Description of Reference Numerals
[0044] 900: Capacitor assembly 910: Capacitor
[0045] 911: Capacitor body 912A, 912B: Pins
[0046] 913: First pin area 914: Second pin area
[0047] 915: bending area 920: bracket
[0048] 921: bracket base 922: first bracket electrode
[0049] 923: Second bracket electrode 924: Accommodation wall
[0050] 925: Slit
[0051] 100: conveying module 110: capacitor assembly arrangement area
[0052] 120: Alignment and pressing area 121: Capacitor component alignment area
[0053] 122: First pressing area 123: Second pressing area
[0054] 130: Pin bonding area 131: First pin bonding area
[0055] 132: Second pin bonding area 140: First visual inspection area
[0056] 150: first power inspection area 151a, 151b: first charging area
[0057] 152: Voltage inspection area 160: Second power inspection area
[0058] 161a, 161n: Second charging area 162: Current inspection area
[0059] 170: Discharge area 180: Characteristics inspection area
[0060] 190: Second visual inspection area 200: Bad classification area
[0061] 210: Loading area
[0062] 300: Processing module 310: Bracket alignment module
[0063] 320: Capacitor body pressurizing module 330: Pin pressurizing module
[0064] 340: Pin bonding module 341: First pin bonding module
[0065] 342: Second pin bonding module
[0066] 400: Inspection module 410: First visual inspection module
[0067] 420: first power inspection module 421a, 421b: first charging module
[0068] 422: Voltage checking module 430: Second power checking module
[0069] 431a, 431b: second charging module 432: current checking module
[0070] 440: Discharge module 450: Characteristics inspection module
[0071] 460: Second visual inspection module 470: Defective classification module
[0072] 500: Display part S: Joint part
[0073] C1: First vision camera C2: Second vision camera
[0074] S110: capacitor assembly arrangement step S120: alignment and pressing step
[0075] S130: Pin bonding step S140: First visual inspection step
[0076] S150: First charging step S160: Voltage checking step
[0077] S170: Second charging step S180: Current checking step
[0078] S190: Discharging step S200: Characteristics inspection step
[0079] S210: Second visual inspection step S220: Defective classification step DETAILED DESCRIPTION
[0080] Hereinafter, some embodiments of the present invention are described in detail through exemplary drawings. It should be noted that when assigning reference numerals to the constituent elements of each drawing, the same reference numerals are assigned to the same constituent elements as much as possible even if they are shown in different drawings. In addition, when describing the embodiments of the present invention, if it is determined that the specific description of the relevant known structure or function hinders the understanding of the embodiments of the present invention, the detailed description thereof is omitted.
[0081] When describing the constituent elements of the embodiments of the present invention, terms such as first, second, A, B, (a), (b) and the like may be used. These terms are only used to distinguish one constituent element from another constituent element, and the nature or order or sequence of the corresponding constituent elements, etc. are not limited by these terms. Furthermore, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as those commonly understood by persons with common knowledge in the technical field to which the present invention belongs. Terms that are the same as those defined in commonly used dictionaries should be interpreted as having the same meaning as those in the context of the relevant technology, and should not be interpreted as ideal or overly formal meanings as long as they are not clearly defined in this application.
[0082] Figure 1 is a perspective view of a capacitor assembly manufactured by the capacitor assembly assembling apparatus according to the present invention.
[0083] Reference Figure 1 , illustrates a capacitor assembly 900 for assembly by a capacitor assembly assembly assembly apparatus according to the present invention. The capacitor assembly 900 may include a capacitor 910 including a body 911 and a pair of pins 912A, 912B, the pair of pins 912A, 912B being formed to protrude from the body 911 and have the same length. At this time, the capacitor 910 may be an electrolytic capacitor, and the body 911 may have a cylindrical shape.
[0084] On one side of the body 911 of the capacitor, a pair of pins 912A and 912B having a predetermined interval may be formed in a manner of extending and protruding from the body 911. Figure 1, a pair of pins 912A, 912B are shown as having the same length, but in the existing capacitor, in order to present its own polarity, the lengths of the pins 912A, 912B can be formed to be different from each other. However, in the capacitor assembly assembly device and the capacitor assembly assembly method of the present invention, in order to make the pins 912A, 912B stably engage with the electrodes 922, 923 of the bracket 920, the pins 912A, 912B can have the same length. In addition, in order for the electrodes 922, 923 to be more stably engaged with the electrodes 922, 923, the pair of pins 912A, 912B may include: a first pin area 913, one end of which is formed protruding from the main body 911; a bending area 915, one end of which is connected to the other end of the first pin area 913, and is bent in a manner having a predetermined angle relative to the first pin area 913; a second pin area 914, one end of which is connected to the other end of the bending area 915, and is formed in a manner substantially parallel to the first pin area 913. The second pin region 914 is bonded to the electrodes 922 and 923 , and for bonding, the pins 912A and 912B may be formed to have a curved shape as a whole.
[0085] In order to combine into a capacitor assembly 900, the capacitor assembly 900 may further include a bracket 920, and the capacitor 910 is inserted and combined into the bracket 920 to electrically connect the circuit board (not shown) with the capacitor 910. The bracket 920 has a flat base 921, and electrodes 922 and 923 for engaging with a pair of pins 912A and 912B are formed on one side (more specifically, the upper surface) of the base 921. The electrodes 922 and 923 may be formed side by side in a manner corresponding to the positions where the pins 912A and 912B are placed, and the capacitor 910 is electrically connected to the circuit board so that the capacitor 910 is energized. The engagement of the pins 912A and 912B with the electrodes 922 and 923 may be achieved by welding. In addition, the bracket 920 includes a pair of receiving partitions 924, which are formed protruding from the upper surface of the base 921 in a manner of surrounding the outer surface of the body 911 of the capacitor 910. The receiving partition wall 924 enables the capacitor 910 to be stably placed on the bracket 920. The receiving partition wall 924 may have a plurality of slits 925 and may be pressurized so that the capacitor 910 can be stably placed on the bracket 920 through the slits 925. The pressurization process will be described later.
[0086] Figure 2 and Figure 3 is a schematic perspective view of a capacitor assembly assembly device according to the present invention, Figure 2 and Figure 3It is not an independent structure but a continuous structure. The conveying module 100 is continuous. The first visual inspection area 140 described later and the first power inspection area 150 and the first power inspection module 420 can be continuously formed after the first visual inspection module 410 . Figure 4 2 is a schematic diagram schematically showing an area traveled as a conveying module moves in the capacitor assembly assembly apparatus according to the present invention.
[0087] Reference Figures 2 to 4 The capacitor assembly assembly device according to the present invention includes a plurality of assembly areas 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, and may include: a conveying module 100, which moves the assembly area in one direction when the capacitor assembly 900 is placed in the assembly area; a processing module 300, which mechanically and electrically combines the capacitor 910 and the bracket 920 to assemble the capacitor assembly 900; and an inspection module 400, which inspects whether the capacitor assembly 900 mechanically and electrically combined by the processing module 300 is defective.
[0088] Reference Figure 2 and Figure 4 In the capacitor assembly assembly device according to the present invention, the conveying module 100 may include a plurality of assembly areas that move in one direction in the moving direction. At this time, the "assembly area" is not limited to the area that causes the deformation of the capacitor assembly, and may represent all areas on the conveying module 100 that perform pressurization of the capacitor 910 or the bracket 920, the bonding of the pins 912A, 912B with the electrodes 922, 923, and the inspection of the capacitor assembly 900. In addition, the assembly area may be formed in the form of a tray, and may be engraved in a size that can arrange the bracket 920.
[0089] Furthermore, the conveying module 100 can move the assembly area in one direction and move a predetermined distance in each predetermined unit time T. In this case, the predetermined distance can actually be the interval between the assembly areas, and the predetermined unit time T can be the time for each assembly area to stop and stay at one point. That is, if the predetermined distance of movement is exemplified as "d", one assembly area can repeatedly work as follows: stop and stay at one point for a unit time T, then move to another point separated by a distance d in one direction during the moving time T', and stay at another point for a unit time T again.
[0090] First, the capacitor 910 and the bracket 920 are respectively arranged in the capacitor assembly arrangement area 110. At this time, the bracket 920 can be arranged on the capacitor assembly arrangement area 110, and the capacitor 910 can be arranged between a pair of receiving partitions 924 of the bracket 920. The interval between the receiving partitions 924 of the bracket 920 can correspond to the outer diameter of the capacitor body 911, so that the capacitor 910 is stably accommodated in the bracket 920.
[0091] Next, the assembly area of the conveying module 100 is described. The assembly area may include processing areas 120 and 130, and the processing areas 120 and 130 include an alignment and pressing area 120 for mechanically assembling the capacitor assembly 900 and a pin bonding area 130 for electrically connecting the capacitor 910 constituting the capacitor assembly 900 to the bracket 920.
[0092] Figure 5 1 is a reference diagram showing a process of performing alignment or pressing in an alignment and pressing area in a component assembling device according to the present invention.
[0093] Reference Figure 2 , Figure 4 and Figure 5 , the processing areas 120 and 130 represent areas where physical force is applied to the capacitor 910 and the bracket 920 to assemble them into the capacitor assembly 900, and after the processing areas 120 and 130, the capacitor assembly 900 functions as an integrated whole. The alignment and pressing area 120 may include a capacitor assembly alignment area 121, a first pressing area 122 for pressing the capacitor assembly in the first direction and the second direction, and a second pressing area 123 for pressing the capacitor assembly in the second direction according to the situation. The capacitor assembly alignment area 121 is an area where the capacitor 910 and the bracket 920 respectively arranged in the above-mentioned component arrangement area 110 are aligned. At this time, the method of aligning the capacitor 910 and the bracket 920 can use a variety of methods, but it can function as an area where the capacitor 910 and the bracket 920 temporarily wait before moving to the first pressing area 122. In the capacitor assembly assembly device according to the present invention, the capacitor 910 and the bracket 920 can be corrected in the case where they are unevenly arranged before being combined by the bracket alignment module 310, the capacitor body pressurizing module 320, and the pin pressurizing module 330 described later.
[0094] In addition, the processing module 300 may be formed at a position corresponding to the processing areas 120 and 130. In more detail, the processing module 300 may include: a bracket alignment module 310, which moves in parallel along a first direction to adjust the position of the bracket 920 so that the bracket 920 is positioned in the first pressing area 122; a capacitor body pressurizing module 320, which moves in parallel along a second direction perpendicular to the first direction to pressurize so that the body 911 of the capacitor 910 is accommodated between the accommodating walls 924 of the bracket 920. The bracket alignment module 310 and the capacitor body pressurizing module 320 may be arranged in the first pressing area 122, which play the role of inserting and combining the capacitor 910 in a manner of being accommodated between the accommodating walls 924 of the bracket 920. At this time, in order to accurately combine, the bracket alignment module 310 may align the position of the bracket 920. That is, by aligning the position of the bracket 920 , the capacitor 910 placed on the bracket 920 is also positioned, so that the capacitor body pressurizing module 320 accurately presses the capacitor body 911 to insert it between the receiving partitions 924 .
[0095] Reference Figure 2 , the first direction may be the positive direction of the y-axis perpendicular to the moving direction, and may be the direction in which one side of the bracket 920 is pressurized. Also, the second direction perpendicular to the first direction may be the negative direction of the z-axis. Preferably, the bracket alignment module 310 operates first, and pushes and aligns the bracket 920 along the first direction, and then the capacitor body pressurizing module 320 operates, so that the capacitor 910 can be combined with the bracket 920.
[0096] After the main body 911 of the capacitor is inserted and coupled between the receiving partitions 924, the pins 912A and 912B can be bent so that a pair of electrodes 922 and 923 formed on the base 921 of the bracket 920 are in contact with the pins 912A and 912B of the capacitor 910. The second pressing area 123 can be formed adjacent to the first pressing area 122, and unlike the first pressing area 122 that pressurizes the main body 911 and the bracket 920 of the capacitor, the second pressing area 123 can pressurize the pins 912A and 912B of the capacitor 910. In addition, the pressurization of the pins 912A and 912B can be performed by the pin pressurization module 330, and the pin pressurization module 330 can move in parallel in a second direction that is the same direction as the moving direction of the capacitor body pressurization module 320. Figure 2As shown, the body 911 of the capacitor is arranged at a position higher than the pins 912A and 912B based on the y-axis, so the y-axis position value of the capacitor body pressurizing module 320 can be set to be higher than the y-axis position value of the pin pressurizing module 330. In addition, the pin pressurizing module 330 can pressurize the pins 912A and 912B to bend them, and can apply pressure to the pins 912A and 912B within a range that does not cause the pins 912A and 912B to break.
[0097] After the capacitor 910 is mechanically coupled to the bracket 920, the capacitor 910 may also be electrically coupled to the bracket 920. After the pressurization process is performed in the alignment and pressing area 120, the capacitor assembly 900 may be moved to the pin bonding area 130 for electrically connecting the capacitor 910 to the bracket 920. A processing module corresponding to the corresponding area may be formed in the pin bonding area 130, and thus, a pin bonding module 340 in the processing module 300 may be formed in the pin bonding area 130, and the pin bonding module 340 processes the conductive material to electrically connect the pins 912A, 912B of the capacitor 910 to the electrodes 922, 923 of the bracket 920.
[0098] The pin bonding module 340 may include a first pin bonding module 341 and a second pin bonding module 342, and electrically connects each pin 912A, 912B to the electrodes 922, 923 through a conductive material. For example, the first pin bonding module 341 may bond the first pin 912A to the first electrode 922, and the second pin bonding module 342 may bond the second pin 912B to the second electrode 923. Figure 2 As shown, the diagram illustrates the situation where the first pin bonding module 341 and the second pin bonding module 342 perform bonding separately, but it is not necessarily limited to this. The first pin 912A and the first electrode 922 and the second pin 912B and the second electrode 923 can also be bonded simultaneously through one pin bonding module 340.
[0099] In addition, various methods can be used to join the pins 912A and 912B to the electrodes 922 and 923, but preferably, a resistance welding method can be used to join the joined parts by applying mechanical pressure and generating heat based on contact resistance, so that the pins 912A and 912B and the electrodes 922 and 923 have a joint portion S. However, the present invention is not limited to this, and the pins 912A and 912B can be joined by a soldering process method using a conductive solder that can pass an electrical signal.
[0100] Figure 6 1 is a reference diagram illustrating a process of performing a visual inspection in a capacitor assembly assembly apparatus according to the present invention.
[0101] Reference Figures 2 to 4 and Figure 6 If the processing in the processing areas 120 and 130 is completed, multiple inspection steps are performed to check whether the processed capacitor assembly 900 is working normally. At this time, the conveying module 100 includes multiple inspection areas 140, 150, 160, 170, 180, and 190 for performing the inspection steps. Like the processing module 300, the inspection module 400 is formed at a position corresponding to each inspection area, so that the inspection of the capacitor assembly 900 can be performed.
[0102] The inspection area includes visual inspection areas 140 and 190 for visually inspecting the bonding state of the pins 912A and 912B in order to inspect whether the capacitor assembly 900 formed according to the bonding in the processing areas 120 and 130 is defective. The visual inspection areas 140 and 190 may include a first visual inspection area 140 and a second visual inspection area 190, and each visual inspection area 140 and 190 may form a plurality of visual inspection modules 410 and 460 for visually sensing whether the pins 912A and 912B are bonded. In more detail, the visual inspection modules 410 and 460 may include a first visual inspection module 410 for inspecting whether the pins 912A and 912B are bonded from a second direction and a second visual inspection module 460 for inspecting whether the pins 912A and 912B are bonded from a first direction.
[0103] Reference Figure 2 and Figure 6 , a first visual inspection module 410 including a first camera C1 facing the second direction (i.e., the negative direction of the z-axis) is formed. The first visual inspection module 410 photographs the upper surface of the capacitor assembly 900 to check the bonding state of the pins 912A and 912B. At this time, the benchmark for judging the bonding state can be determined by comprehensively considering the shape, area, etc. of the bonding portion S processed by the pin bonding module 340 in the pin bonding area 130 to determine whether there is a mechanical defect. In addition, a second visual inspection module 460 including a second camera C2 facing the first direction (i.e., the positive direction of the y-axis) can be formed, and the second visual inspection module 460 photographs the side of the capacitor assembly 900 to check the bonding state of the pins 912A and 912B. In particular, the second visual inspection module 460 can check the flatness of the capacitor assembly 900, and if the flatness does not meet the specified benchmark, it is judged as a mechanical defect.
[0104] according to Figure 6As shown, the first visual inspection module 410 and the second visual inspection module 460 are shown as being formed to be performed in the same process, but this is for the convenience of description. In fact, the first visual inspection performed by the first visual inspection module 410 and the second visual inspection performed by the second visual inspection module 460 can also be performed separately. As an example, the flatness inspection performed by the second visual inspection module 460 can be performed before classifying the defects of the capacitor component 900, so the voltage inspection module 422, the current inspection module 432 and the characteristic inspection module 450 that perform the electrical inspection described later can be formed between the first visual inspection module 410 that performs the mechanical inspection and the second visual inspection module 460.
[0105] In addition, the inspection area may include an electrical inspection area for inspecting electrical characteristics of the capacitor assembly 900. In the electrical inspection area, it is inspected whether the electrical characteristics of the capacitor assembly 900 can normally operate in an actual circuit.
[0106] Reference Figure 3 and Figure 4 The inspection areas may include, in sequence: a first power inspection area 150, for inspecting the voltage characteristics of the capacitor component 900; a second power inspection area 160, for inspecting the current characteristics of the capacitor component 900; a discharge area 170, for discharging the power charged in the capacitor component 900 between the first power inspection area 150 and the second power inspection area 160; and a characteristic inspection area 180, for inspecting the characteristics of the capacitor 910 including the electrostatic capacitance of the capacitor 910.
[0107] In addition, as described above, in each inspection area, an inspection module corresponding thereto may be arranged. That is, in the first power inspection area 150, a first power inspection module 420 may be formed, the first power inspection module 420 including first charging modules 421a, 421b for charging the capacitor 910 during the first charging time and a voltage inspection module 422 for inspecting the voltage applied from the capacitor 910 charged by the first charging modules 421a, 421b. And, in the second power inspection area 160, a second power inspection module 430 may be formed, the second power inspection module 430 including second charging modules 431a, 431b for recharging the capacitor 910 during the second charging time after the inspection of the voltage inspection module 422 and a current inspection module 432 for inspecting the current applied to the capacitor 910. In addition, in the discharge area 170, a discharge module 440 may be included that discharges the remaining power of the capacitor 910 as a ground (GND) at the end of the inspection (voltage inspection and current inspection) of the first power inspection module 420 and the second power inspection module 430.
[0108] The voltage check performed by the first power check module 420 and the current check performed by the second power check module 430 are described in detail below. Figure 3 In the first power inspection area 150, a plurality of first charging areas 151a, 151b and corresponding first charging modules 421a, 421b are formed. If the time spent in each charging area is referred to as a unit time T, then Figure 3 As shown in the example, the capacitor 910 can be charged during two unit times by two first charging modules 421a, 421b. The capacitor 910 charged by the first charging modules 421a, 421b is checked for applied voltage by the voltage checking module 422, and when the measured voltage value is not within the normal voltage range, the capacitor 910 can be classified as bad.
[0109] Similarly, a plurality of second charging areas 161a, 161n and corresponding second charging modules 431a, 431n are formed in the second power inspection area 160. If the time that the capacitor 910 stays in each charging area is called unit time T, then Figure 3 As shown in the example, the capacitor 910 can be charged during n unit times by the n second charging modules 431a, 431n. The capacitor 910 charged by the second charging modules 431a, 431n is checked for applied voltage by the current checking module 432, and if the measured current value is not within the normal current range, the capacitor 910 can be classified as bad.
[0110] In addition, the charging of the capacitor 910 for current inspection needs to be performed slowly, and the second charging time can be set to be longer than the first charging time. In more detail, in order to smoothly complete the charging of the capacitor 910 for current inspection, the second charging time performed when checking the applied current can have a unit time of 2 to 6 times that of the first charging time. For example, in the case where the first charging time is 4 unit times, the second charging time can be formed to have 8 to 24 unit times.
[0111] In addition, since one charging module (which is a concept including a first charging module and a second charging module) charges the capacitor 910 during one unit time, when the first charging time is N unit time, the first charging time can be performed by N first charging modules for one unit time, and the second charging time can be performed by 2N to 6N second charging modules for one unit time. As described above, each charging module charges the capacitor 910 for one unit time, thereby enabling regular movement of the conveying module 100. And, as described above, in order to set the second charging time to be longer than the first charging time, by adjusting the number of the first charging modules and the number of the second charging modules, the defect of the capacitor assembly 900 that may occur during the inspection performed by the first power inspection module 420 and the second power inspection module 430 can be prevented.
[0112] When the applied voltage inspection and the applied current inspection in the first power inspection area 150 and the second power inspection area 160 are completed, the capacitor 910 constituting the capacitor assembly 900 is discharged by the discharge module 440 formed in the discharge area 170. At this time, the discharge module 440 may be formed to be grounded (GND).
[0113] When the discharge of the capacitor 910 is completed, a characteristic inspection can be performed by the characteristic inspection module 450 that measures the characteristics of the capacitor 910 including the capacitance C. The characteristic inspection module 450 can inspect the characteristics of the capacitor 910 constituting the capacitor assembly 900, and when the result of measuring an unexpected characteristic (capacitance, polarity) is determined to be a defective product.
[0114] Figure 7 is a schematic diagram for classifying defects in the capacitor assembly assembly device and the capacitor assembly method according to the present invention, Figure 8 The figure schematically shows the defect status monitored on the display unit as the unit time elapses in the capacitor assembly apparatus and the capacitor assembly method according to the present invention.
[0115] Reference Figure 3 , Figure 4 , Figure 7 and Figure 8 In the capacitor assembly assembly device according to the present invention, the assembly area of the conveying module 100 may include: a loading area 210, where the normal components 900 are separated from the conveying module 100 for commercialization and loaded; a defective product classification area 200, where the capacitor assembly 900 is judged to be defective and classified into at least one item according to the inspection results in the above inspection area. Similarly, a corresponding defective product classification module 470 may be arranged in the defective product classification area 200.
[0116] Reference Figure 7 and Figure 8 , the defective classification of the capacitor assembly 900 performed by the defective product classification module 470 is described. The defectiveness of the capacitor assembly 900 can be judged by the above-mentioned modules for checking mechanical defects (the first visual inspection module 410 and the second visual inspection module 460) and the modules for checking electrical defects (the voltage inspection module 422, the current inspection module 432 and the characteristic inspection module 450). At this time, the defectiveness of the capacitor assembly 900 can be classified into at least one item, and the item can be broadly classified into mechanical defective components and electrical defective components. In more detail, the mechanical defective component can be a concept including the bonding defect 810 judged by the first visual inspection module 410 and the flatness defect 850 judged by the second visual inspection module 460. And, the electrical defective component can be a concept including the voltage defect 820 judged by the voltage inspection module 422, the current defect 830 judged by the current inspection module 432, and the characteristic defect 840 judged by the characteristic inspection module 450.
[0117] According to the classification of defective items as described above, the bad bonding 810 component can be classified as the first bad classification 811, the bad voltage 820 component can be classified as the second bad classification 821, the bad current 830 component can be classified as the third bad classification 831, the bad characteristic 840 component can be classified as the fourth bad classification 841, and the bad flatness 850 component can be classified as the fifth bad classification 851, and can be loaded into different loading boxes (not shown) respectively. The user of the capacitor assembly assembly device according to the present invention can easily confirm which part the defect frequently occurs by checking the amount of defective components loaded in each loading box, thereby improving the defect rate.
[0118] in addition, Figure 7 The defects 810, 820, 830, 840, and 850 shown are exemplary and do not necessarily mean that the defect inspection is performed in the order of bonding defect-voltage defect-current defect-characteristic defect-flatness defect. The order of defect inspection as described above can be changed.
[0119] Reference Figure 8, the component assembly device according to the present invention may further include a display unit 500 capable of visually displaying the results performed by the inspection module in the inspection area. At a specific time (t=t1), the defectiveness of the capacitor components 900 located in each inspection area is displayed on the display unit 500. For example, the first defect E1 occurs in the capacitor component 900 located in the N+6th area, and the second defect E2 occurs in the capacitor component 900 located in the N+5th area. In addition, it is confirmed that the third defect E3 occurs in the capacitor component 900 located in the N+3th area, the fourth defect E4 occurs in the capacitor component 900 located in the N+2th area, and the fifth defect E5 occurs in the capacitor component 900 located in the N+1th area. The capacitor component defect classification can be performed according to such a defective state in the Nth area as the defective classification area, and at a new time (t=t1+T) after a unit time T, the capacitors in each area can be moved from the Nth position to the N-1th position. The user can easily grasp the occurrence and defective form of the capacitor component 900 through the display unit 500.
[0120] In addition, the component assembly device according to the present invention can provide feedback to the processing module 300 according to the above-mentioned defectiveness. For example, when the defective components as described above are distinguished into mechanical defective components and electrical defective components, when the mechanical defective components occur at a high frequency, the control unit (not shown) can control the processing modules 300 in the processing areas 120 and 130 to reduce the defective rate. For example, according to the inspection of the first visual inspection module 410, when the capacitor component 900 is observed from the second direction, it can be judged that the pins 912A and 912B of the capacitor 910 are not normally joined to the electrodes 922 and 923 of the bracket 920. At this time, the pin bonding module 340 can increase the pin bonding time or increase the amount of solder applied to bond the pins. By increasing the pin bonding time or increasing the amount of solder, the pins 912A and 912B of the capacitor 910 can be stably bonded to the electrodes 922 and 923 of the bracket 920, thereby reducing the probability of mechanical defects.
[0121] Alternatively, if the second visual inspection module 460 inspects the flatness of the capacitor assembly 900 when observing from the first direction and determines that the pins 912A and 912B of the capacitor 910 are not flatly joined, thereby causing a mechanical defect, the control unit may cause the pin pressurizing module 330 to increase the pin pressurizing strength, thereby adjusting it so that the pins 912A and 912B can be flatly joined, so that the pins 912A and 912B of the capacitor 910 are stably joined to the electrodes 922 and 923 of the bracket 920, thereby reducing the probability of mechanical defects.
[0122] Hereinafter, a capacitor assembly assembling method according to the present invention will be described. When describing the capacitor assembly assembling method, parts that have been described in the capacitor assembly assembling apparatus will be briefly mentioned or omitted.
[0123] Fig. 9 is a flowchart showing a capacitor assembly assembling method using the capacitor assembly assembling apparatus according to the present invention.
[0124] Reference Fig. 9 The capacitor assembly assembly method according to the present invention is used to combine a capacitor 910 having pins 912A and 912B of the same length and a bracket 920 including a pair of receiving partitions 924 for receiving the capacitor 910 therein to assemble a capacitor assembly 900. At this time, the capacitor assembly assembly assembly method may include: processing steps S120 and S130, for processing the capacitor 910 and the bracket 920 constituting the capacitor assembly 900 in order to assemble the capacitor assembly 900, which is placed in a conveying module including a plurality of assembly areas and the assembly areas move in one direction; and a plurality of inspection steps S140, S150, S160, S170, S180, S190, S200, and S210, for inspecting whether the capacitor assembly 900 mechanically and electrically combined by the processing steps S120 and S130 is defective.
[0125] Before the capacitor 910 and the bracket 920 constituting the capacitor assembly 900 are processed through the processing steps S120 and S130, the capacitor assembly arrangement step S110 of arranging the bracket 920 and the capacitor 910 in the conveying module 100 of the above-mentioned capacitor assembly assembly device is performed. After the capacitor assembly arrangement step S110 is performed, the processing steps S120 and S130 for assembling the capacitor assembly 900 are performed, and the processing steps S120 and S130 at this time may include an alignment and pressing step S120 and a pin bonding step S130 performed after the alignment and pressing step S120.
[0126] The alignment and pressing step S120 is a step for combining the capacitor 910 constituting the capacitor assembly 900 with the bracket 920, and in order to mechanically combine the capacitor 910 with the bracket 920, the capacitor 910 and the bracket 920 can be pressurized in a first direction and a second direction perpendicular to the first direction so that the capacitor 910 is inserted between the receiving partitions 924 combined with the bracket 920.
[0127] In more detail, in order to align the position of the bracket 920 in the first pressing area in the assembly area of the conveying module, the bracket alignment module can pressurize the bracket 920 in a first direction to position it. The bracket 920 can be pushed in a direction by the bracket alignment module, thereby reducing the possibility of a defect caused by the wrong position engagement when the capacitor 910 is inserted and coupled to the bracket 920. In addition, the body 911 of the capacitor 910 is pressurized in a second direction perpendicular to the first direction, so that the body 911 of the capacitor 910 is inserted and coupled between the receiving partitions 924 in the first pressing area, so that the body 911 of the capacitor 910 can be inserted and coupled to the receiving partitions 924 of the bracket 920 to form the capacitor assembly 900.
[0128] In the alignment and pressing step S120, in the first pressing area, after the body 911 of the capacitor 910 is inserted and coupled to the receiving partition 924, it is necessary to pressurize the pins 912A and 912B so that the pins 912A and 912B of the capacitor 910 are adjacent to the electrodes 922 and 923 of the bracket 920. Therefore, in the second pressing area formed adjacent to the first pressing area in the assembly area of the conveying module, the pin pressing module 330 can pressurize the pins 912A and 912B in the second direction so that the pins 912A and 912B of the capacitor 910 are in contact with the electrodes 922 and 923 of the bracket 920.
[0129] According to such a pressurization process, the pins 912A and 912B may include: a first pin region 913, one end of which is formed by protruding from the main body 911; a curved region 915, one end of which is connected to the other end of the first pin region 913 and is formed to have a predetermined angle with the first pin region 913; a second pin region 914, one end of which is connected to the other end of the curved region 915 and is formed to be substantially parallel to the first pin region 913. Among them, the second pin region 914 is engaged with the electrodes 922 and 923, and in order to engage, the pins 912A and 912B can be formed to have a curved shape as a whole. In detail, in the second pin region 914, the pin pressurization module 330 can provide pressure to the pins 912A and 912B along the second direction, and accordingly, the pins 912A and 912B can be formed by the first pin region 913, the second pin region 914 and the curved region 915. The second pin region 914 may be arranged closer to the electrodes 922 , 923 of the bracket 920 than the first pin region 913 , and may facilitate the engagement of the pins 912A, 912B with the electrodes 922 , 923 .
[0130] In addition, in the pin bonding step S130, in order to electrically connect the pins 912A, 912B and the electrodes 922, 923, welding methods are used for bonding, and the mechanical and electrical bonding of the capacitor 910 and the bracket 920 are completed, so that a capacitor assembly 900 can be assembled.
[0131] Hereinafter, a method for inspecting the capacitor assembly 900 assembled through the processing steps S120 and S130 will be described in detail.
[0132] The inspection steps performed in the capacitor assembly method according to the present invention include: a first visual inspection step S140, photographing and visually sensing from a second direction whether the pins 912A, 912B are engaged with the electrodes 922, 923 in the pin bonding step S130; a voltage inspection step S160, charging the capacitor 910 after the first visual inspection step and checking whether the capacitor assembly 900 operates within a normal voltage range; a current inspection step S180, charging the capacitor 910 again after the voltage inspection step and checking whether the capacitor assembly 900 operates within a normal current range; a characteristic inspection step S200, discharging the capacitor 910 and checking the characteristics of the capacitor assembly 900 including the electrostatic capacitance of the capacitor; and a second visual inspection step S210, photographing and visually sensing from a first direction perpendicular to the second direction whether the pins 912A, 912B are engaged with the electrodes 922, 923 (flatness).
[0133] In the above inspection steps, the first visual inspection step S140 and the second visual inspection step S210 are visual inspections of whether the pins are bonded or not, which can be regarded as mechanical defect inspection steps. In addition, in the case of the voltage inspection step S160, the current inspection step S180 and the characteristic inspection step S200, the inspection is performed by applying electrical stimulation such as power to the capacitor 910, which can be regarded as an electrical defect inspection step.
[0134] The first visual inspection step S140 and the second visual inspection step S210 are steps of visually inspecting the bonding state of the pins from different directions (the first direction and the second direction) after the pin bonding step S130. For example, when performing resistance bonding between the pins 912A, 912B and the electrodes 922, 923, the area, shape, etc. of the bonding part formed by the resistance bonding are comprehensively considered to determine whether the mechanical defect is present. Preferably, in the first visual inspection step S140, the capacitor assembly 900 is photographed from the second direction and the area, shape, etc. of the bonding part are confirmed to determine the mechanical defect. In the second visual inspection step S210, the capacitor assembly 900 is photographed from the first direction and the height, shape, etc. of the bonding part are confirmed to determine the mechanical defect.
[0135] The voltage check step S160 checks the voltage applied to the capacitor 910, and the capacitor 910 is charged in order to perform the voltage check step S160. In the first charging operation S150 of charging the capacitor 910 before the voltage check step S160, the capacitor 910 may be charged for N unit times (N is a positive integer). In addition, as described above, in order to achieve charging for N unit times, N first charging modules may be arranged, and charging is performed for one unit time by each first charging module.
[0136] In addition, the current check step S180 checks the current applied to the capacitor 910, and the capacitor 910 is charged in order to perform the current check step S180. Since the characteristics checked by the current check step S180 require that the capacitor 910 be charged more slowly than the voltage check step S160, the second charging step (S170) of charging the capacitor 910 before the current check step S180 may charge for 2N to 6N unit times. As described above, in order to achieve charging for 2N to 6N unit times, 2N to 6N second charging modules may be arranged, each performing charging for one unit time.
[0137] After the voltage inspection step S160 and the current inspection step S180 are performed, a characteristic inspection step S200 of inspecting the characteristic value of the capacitor 910 itself may be performed through a discharge step S190 of discharging the capacitor 910. In the characteristic inspection step S200, the physical property value of the capacitor 910 including the electrostatic capacity (capacitance) of the capacitor 910 may be inspected. At this time, in the case where the measured result exceeds the physical property value range required for the capacitor component 900, the capacitor component 900 may be classified as an electrically defective component 900.
[0138] In the capacitor assembly assembly method according to the present invention, after performing the above inspection step, it may further include: a defect classification step S220, which classifies the components 900 that are poorly bonded in the inspection step or the components 900 that have capacitors 910 that do not work within the normal range. The defect classification step S220 can distinguish between mechanical defects checked by the first visual inspection step S140 and the voltage inspection step S160 of visually inspecting whether the pins 912A and 912B are bonded to the electrodes as described above, and electrical defects checked by the voltage inspection step S160, the current inspection step S180, and the characteristic inspection step S200 of inspecting the electrical characteristics of the component 900. When the incidence of mechanical defects is higher than the incidence of electrical defects, this distinction is for controlling the processing module 300 in the processing steps S120 and S130 later.
[0139] Although the case where the defective component 900 can be classified into two items, namely, a mechanical defective component and an electrical defective component, is described, the defective component 900 is not necessarily classified into two items, and can also be classified into various defective items according to the defect judgment in each inspection step. For example, it can also be classified into a first defect (bonding defect), a second defect (voltage defect), a third defect (current defect), a fourth defect (characteristic defect), and a fifth defect (flatness defect).
[0140] In addition, according to the above-mentioned defect classification step S220, when the mechanical defect occurs at a predetermined ratio or more, in the processing steps S120 and S130, the pressure applied to the capacitor 910 or the bracket 920 can be adjusted, or the bonding time of the capacitor 910 and the bracket 920 can be adjusted. For example, when the bracket 920 is not properly aligned and the main body 911 of the capacitor 910 is not completely coupled to the receiving partition 924 of the bracket 920, the pressure applied to the bracket 920 in the first direction can be increased by the bracket alignment module. When it is judged as a mechanical defect because the main body 911 of the capacitor 910 is received in the receiving partition 924 at a depth below the predetermined depth and has a high possibility of falling off, the pressure applied to the main body 911 of the capacitor 910 in the second direction by the capacitor main body pressurizing module can be increased. In the case where the pins 912A and 912B of the capacitor 910 are judged to be mechanically defective because they are not formed close to the electrodes 922 and 923 of the bracket 920 to a degree of being closely bonded, the pressure applied to the pins 912A and 912B of the capacitor 910 in the second direction by the pin pressurizing module can be increased. In addition, in the case where the bonding state of the pins 912A and 912B is poor (the shape, height, area, etc. of the bonding part are poor) and it is judged to be mechanically defective, the pin bonding module can be used to adjust to increase the bonding time of the capacitor 910 and the bracket 920, increase the bonding strength, or increase the amount of bonding material.
[0141] The capacitor assembly assembly device and the capacitor assembly method according to the present invention have the advantages that the capacitor 910 and the bracket 920 can be automatically moved in multiple assembly areas through the conveying module and processed and inspected.
[0142] Furthermore, by performing multiple inspection steps simultaneously or sequentially in multiple inspection areas, mechanical and electrical defects that may occur during the assembly process of the capacitor assembly 900 can be inspected with a high probability, thereby having the advantage of reducing the risk of providing defective components.
[0143] Furthermore, in multiple inspection steps in multiple inspection areas, mechanical defects and electrical defects can all be judged, and when the rate of mechanical defects is high, the occurrence of mechanical defects can be reduced by controlling the work of the processing module 300 that performs the assembly of the capacitor assembly 900 in the processing area, thereby having the advantage of improving productivity.
[0144] The above description is merely an exemplary description of the technical concept of the present invention. Anyone with ordinary knowledge in the technical field to which the present invention belongs can make various modifications and variations without departing from the essential characteristics of the present invention.
[0145] Therefore, the embodiments disclosed in the present invention are not used to limit the technical ideas of the present invention, but to illustrate the technical ideas of the present invention, and the scope of the technical ideas of the present invention is not limited to these embodiments. The protection scope of the present invention should be interpreted according to the claims, and all technical ideas within the equivalent scope should be interpreted as included in the scope of the rights of the present invention.
[0146] Industrial Applicability
[0147] The present invention provides a capacitor assembly device for arranging a capacitor and a bracket on a conveying module and processing the capacitor and the bracket into one body to check whether the capacitor assembly works normally, and a capacitor assembly method for simultaneously performing assembly steps by the capacitor assembly device.
Claims
1. A capacitor assembly assembly device, which assembles a capacitor assembly by combining capacitors having pins of the same length with a bracket including a pair of receiving partitions for receiving the capacitors therein, characterized in that: include: A conveying module, comprising a plurality of assembly areas, wherein the assembly areas are moved in one direction when the capacitor assemblies are placed in the assembly areas; A processing module is used to mechanically and electrically combine the capacitor and the bracket to form the capacitor assembly; as well as An inspection module is used to inspect whether the capacitor assembly mechanically and electrically coupled by the processing module is defective. Wherein, the inspection module includes: a first charging module, configured to charge the capacitor during a first charging time; a voltage checking module to check a voltage applied from the capacitor charged by the first charging module; a second charging module, which charges the capacitor during a second charging time after the inspection by the voltage inspection module; A current checking module, checking the applied current of the capacitor; a discharge module, formed to be grounded to discharge the residual power of the capacitor after the voltage check and the current check; a characteristic inspection module for measuring characteristics of the capacitor including electrostatic capacity, The second charging time is set to be longer than the first charging time.
2. The capacitor assembly assembly device according to claim 1, characterized in that: The conveying module moves the assembling area in a direction, and the assembling area moves a predetermined distance per predetermined unit time.
3. The capacitor assembly assembly device according to claim 2, characterized in that: The assembly area includes: a processing area, including an alignment and pressing area for mechanically assembling the capacitor assembly and a pin bonding area for electrically connecting the capacitors constituting the capacitor assembly to the bracket; an inspection area including a visual inspection area for visually inspecting a pin bonding state in order to inspect whether the capacitor assembly formed according to the bonding at the processing area is defective and an electrical inspection area for inspecting electrical characteristics of the capacitor assembly; and A defective product classification area is used to determine whether the capacitor assembly is defective and classify it into at least one item according to the inspection result in the inspection area. Among them, the capacitor of the capacitor assembly includes: a first pin area, one end of which protrudes from the main body; a bending area, one end of which is connected to the other end of the first pin area and is bent in a manner having a predetermined angle relative to the first pin area; and a second pin area, one end of which is connected to the other end of the bending area and is formed in a manner parallel to the first pin area.
4. The capacitor assembly assembly device according to claim 3, characterized in that: The processing module is formed at a position corresponding to the processing area, and the inspection module is formed at a position corresponding to the inspection area, and the processing of the capacitor component and the inspection of the capacitor component are performed respectively.
5. The capacitor assembly assembly device according to claim 3, characterized in that: The processing module comprises: A bracket alignment module moves parallel to a first direction to adjust the position of the bracket so that the bracket is positioned in a first pressing area; A capacitor body pressurizing module moves parallel to a second direction perpendicular to the first direction to apply pressure so that the capacitor body is accommodated between the accommodation partitions of the bracket; a pin pressurizing module, which moves parallel to the second direction to pressurize the pins of the capacitor so that the pins of the capacitor are bent to contact with a pair of electrodes formed on the base of the bracket; and A pin bonding module processes conductive material to electrically connect the pins of the capacitor with the electrodes of the bracket.
6. The capacitor assembly assembly device according to claim 5, characterized in that: The pin bonding module electrically connects the pins of the capacitor and the electrodes of the bracket through a resistance welding process.
7. The capacitor assembly assembly device according to claim 5, characterized in that: The inspection module further includes a plurality of visual inspection modules for visually sensing whether the pins are engaged, The visual inspection module includes: a first visual inspection module for inspecting whether the pins are engaged from the second direction; and a second visual inspection module for inspecting whether the pins are engaged from the first direction.
8. The capacitor assembly assembly device according to claim 7, characterized in that: The second charging time has a unit time that is two to six times that of the first charging time.
9. The capacitor assembly assembly device according to claim 8, characterized in that: The first charging time is N unit time, and the first charging time is performed by N first charging modules respectively for one unit time. The second charging time is 2N to 6N unit times, and the second charging time is performed by 2N to 6N second charging modules respectively for one unit time.
10. The capacitor assembly assembly device according to claim 7, characterized in that: The voltage inspection module, the current inspection module, and the characteristic inspection module are formed between the first visual inspection module and the second visual inspection module.
11. The capacitor assembly assembly device according to claim 7, characterized in that: The inspection module also includes: The defective product classification module senses mechanical defects detected by the first visual inspection module and the second visual inspection module, and electrical defects of the capacitor component detected by the voltage inspection module, the current inspection module, and the characteristic inspection module, to determine whether the capacitor component is defective, and classifies the component into at least one item.
12. The capacitor assembly assembly device according to claim 11, characterized in that: The items are divided into mechanically defective components and electrically defective components.
13. The capacitor assembly assembly device according to claim 12, characterized in that: Also includes: A control unit controls the defective mechanical component to provide feedback to the processing module, Wherein, when the capacitor assembly is judged to be mechanically defective according to the inspection of the first visual inspection module, the control unit increases the bonding time of the pin bonding module, When it is determined that the capacitor assembly has a mechanical defect according to the inspection by the second visual inspection module, the control unit increases the pressing strength of the pin pressing module.
14. A method for assembling a capacitor assembly, comprising assembling the capacitor assembly by combining capacitors having pins of the same length with a bracket including a pair of receiving partitions for receiving the capacitors therein, wherein: The steps include: A processing step of processing a capacitor and a bracket constituting the assembly in order to assemble the assembly, the capacitor being placed in a conveying module including a plurality of assembly areas and the assembly areas being moved in one direction; as well as an inspection step of inspecting whether the components mechanically and electrically combined by the processing step are defective or not, Wherein, the processing steps include: an alignment and pressing step, in order to mechanically combine the capacitor with the bracket, pressurizing the capacitor and the bracket along a first direction and a second direction perpendicular to the first direction so that the capacitor is inserted between the receiving walls combined with the bracket; and a lead bonding step of performing bonding to electrically connect the lead of the capacitor to a pair of electrodes formed on one side of the bracket after the alignment and pressing steps, Wherein, in the processing step, the capacitor of the capacitor assembly includes: a first pin region, one end of which protrudes from a main body; a bending region, one end of which is connected to the other end of the first pin region and is bent in a manner having a set angle relative to the first pin region; a second pin region, one end of which is connected to the other end of the bending region and is formed in a manner parallel to the first pin region, The checking step comprises: a first visual inspection step of photographing from the second direction and visually sensing whether the lead is bonded to the electrode in the lead bonding step; a voltage inspection step, after the first visual inspection step, charging the capacitor and inspecting whether the capacitor assembly operates within a normal voltage range; a current checking step, after the voltage checking step, charging the capacitor and checking whether the capacitor assembly operates within a normal current range; a characteristic inspection step of discharging the capacitor to inspect the characteristics of the capacitor assembly including the electrostatic capacity of the capacitor; and A second visual inspection step of photographing from the first direction and visually sensing whether the lead is bonded to the electrode in the lead bonding step.
15. The method for assembling a capacitor assembly according to claim 14, wherein: In the alignment and pressing steps, In order to align the position of the bracket in the first pressing area in the assembly area of the conveying module, the bracket is pressed along the first direction to be positioned. The main body of the capacitor is pressed in the first pressing area along the second direction perpendicular to the first direction, so that the main body of the capacitor is inserted and combined between the receiving partitions. In a second pressing region formed adjacent to the first pressing region in the assembling region of the conveying module, the pins of the capacitor are pressed along the second direction so that the pins of the capacitor contact the electrodes of the bracket.
16. The method for assembling a capacitor assembly according to claim 14, wherein: The following steps are also included: A first charging step, before the voltage checking step, charging the capacitor for N unit times; The second charging step, before the current checking step, charges the capacitor for 2N to 6N time units, In the first charging step, N first charging modules respectively perform charging for one unit time, and in the second charging step, 2N to 6N second charging modules respectively perform charging for one unit time.
17. The method for assembling a capacitor assembly according to claim 14, wherein: After the checking step, the method further comprises the following steps: a defective classification step of classifying the capacitor components that have defective bonding or the capacitor components that have capacitors that do not operate within a normal range in the inspection step, The defect classification step distinguishes mechanical defects sensed by the first visual inspection step and the second visual inspection step of visually inspecting whether the pin is engaged with the electrode, and electrical defects sensed by the voltage inspection step, the current inspection step, and the characteristic inspection step of sensing the electrical characteristics of the capacitor assembly.
18. The method for assembling a capacitor assembly according to claim 17, wherein: According to the defect classification step, when the mechanical defect occurs at a predetermined rate or more, in the processing step, the pressure applied to the capacitor or the bracket is adjusted, or the bonding time between the capacitor and the bracket is adjusted.
Citation Information
Patent Citations
Auto assembly device for condenser
KR100909030B1
Power storage module and method for producing power storage module
WO2020121872A1