Apparatus and method for measuring profile of battery cell

Abstract

The present disclosure relates to a battery cell contour measuring device and method for measuring the contour of a battery cell during the process of taping a battery cell, and the technical problem to be solved is to provide a battery cell contour measuring device and method that enables the management of the battery cell contour by measuring the contour of the battery cell. To this end, the present disclosure comprises a processor; and a processor that stores instructions executed by the processor, wherein the processor measures the contour of the battery cell using a contact position where a roller contacts the surface of the battery cell to adhere an insulating tape to the battery cell.

Description

Technology Field

[0001] The present disclosure relates to a battery cell contour measurement device and method. Background Technology

[0003] A battery module includes a plurality of battery cells. A battery cell is formed by arranging an electrolyte, a positive plate, and a negative plate within a case consisting of a single compartment.

[0004] The contour of a battery cell is a key factor required for the assembly of battery modules or battery packs. The contour of a battery cell can be measured based on the thickness of the battery cell.

[0005] The thickness of a battery cell is one of the battery dimension measurement items and can be measured using a laser or contact measuring instrument in a non-pressurized state. For example, the thickness of a battery cell is measured using pointers on both sides while the battery cell is taped with insulating tape and fixed via a gripper. That is, the contour of the battery cell can be measured after taping it with insulating tape through an external insulation process.

[0006] The information described above disclosed in the background technology of this invention is intended only to enhance understanding of the background of the present invention and may therefore include information that does not constitute prior art. The problem to be solved

[0008] The purpose of the present invention is to provide a battery cell contour measurement device and method that can manage the contour of a battery cell by measuring the contour of the battery cell during the process of taping the battery cell.

[0009] However, the technical problems that the present invention aims to solve are not limited to those described above, and other unmentioned problems can be clearly understood by those skilled in the art from the description of the invention below. means of solving the problem

[0011] A battery cell contour measuring device according to one embodiment of the present invention for solving the above technical problem comprises: a processor; and a memory storing instructions executed by the processor, wherein the processor measures the contour of the battery cell using a contact position in which a roller contacts the surface of the battery cell to adhere an insulating tape to the battery cell.

[0012] The processor of the present invention is characterized by measuring the contour of the battery cell using the vertical distance between a preset reference plane and the contact position.

[0013] The reference surface of the present invention is characterized by comprising at least one of a first reference surface formed by a centerline in the thickness direction and a centerline in the width direction of the battery cell, a second reference surface formed by a centerline in the width direction and a centerline in the length direction of the battery cell, and a third reference surface formed by a centerline in the thickness direction and a centerline in the length direction of the battery cell.

[0014] The reference plane of the present invention is characterized by being set for each contour measurement zone of the battery cell.

[0015] The contour measurement area of ​​the battery cell of the present invention is characterized by being at least one of the front side, cross-section, and bottom side of the battery cell.

[0016] The processor of the present invention is characterized by setting coordinates on the reference plane and measuring the vertical distance for each coordinate.

[0017] The processor of the present invention is characterized by, in the process of moving the roller toward the battery cell, calculating the initial distance between the position of the reference plane and the initial position of the roller, calculating the distance traveled by the roller through the initial position of the roller and the contact position, and calculating the distance between the reference plane and the contact position by subtracting the distance traveled from the initial distance of the roller.

[0018] The processor of the present invention is characterized by calculating the distance between the reference plane and the contact position based on the amount of change in the contact position resulting from the contact movement of the roller during the process of moving the roller in close contact with the battery cell.

[0019] A battery cell contour measuring device according to another embodiment of the present invention for solving the above technical problem is characterized by comprising: a taping process module that tapes the battery cell by using a roller to adhere an insulating tape to the battery cell; and a processor that controls the taping process module to measure a contact position where the roller contacts the surface of the battery cell and measures the contour of the battery cell using the contact position.

[0020] The taping process module of the present invention is characterized by including a roller driving unit that moves the roller toward the battery cell or presses the roller against the battery cell to tape the insulating tape to the battery cell.

[0021] The processor of the present invention is characterized by measuring the contour of the battery cell using the vertical distance between a preset reference plane and the contact position.

[0022] The processor of the present invention is characterized by setting coordinates on the reference plane and measuring the vertical distance between the reference plane and the contact position for each coordinate.

[0023] The processor of the present invention is characterized by, in the process of moving the roller toward the battery cell, calculating the initial distance between the position of the reference plane and the initial position of the roller, calculating the distance traveled by the roller through the initial position of the roller and the contact position, and calculating the vertical distance between the reference plane and the contact position by subtracting the distance traveled from the initial distance of the roller.

[0024] The processor of the present invention is characterized by calculating the vertical distance between the reference plane and the contact position based on the amount of change in the contact position resulting from the contact movement of the roller during the process of moving the roller in close contact with the battery cell.

[0025] A battery cell contour measurement method according to an embodiment of the present invention for solving the above technical problem is characterized by comprising: a step of measuring a contact position where a roller touches the surface of the battery cell during the process of a processor taping the battery cell with insulating tape using a roller; and a step of the processor measuring the contour of the battery cell using the contact position.

[0026] In the step of measuring the contour of the battery cell of the present invention, the processor measures the contour of the battery cell using the vertical distance between a preset reference plane and the contact position.

[0027] In the step of measuring the contour of the battery cell of the present invention, the processor sets coordinates on the reference plane and measures the vertical distance between the reference plane and the contact position for each coordinate.

[0028] In the step of measuring the contour of the battery cell of the present invention, the processor calculates the initial distance between the position of the reference plane and the initial position of the roller while moving the roller toward the battery cell, calculates the distance traveled by the roller through the initial position of the roller and the contact position, and calculates the vertical distance between the reference plane and the contact position by subtracting the distance traveled from the initial distance of the roller.

[0029] In the step of measuring the contour of the battery cell of the present invention, the processor calculates the vertical distance between the reference plane and the contact position based on the amount of change in the contact position resulting from the contact movement of the roller while moving the roller in close contact with the battery cell. Effects of the invention

[0031] According to the present invention, the contour of a battery cell can be measured by moving the roller to tape an insulating tape to the battery cell using the roller, and measuring the distance between the reference plane of the battery cell and the roller.

[0032] According to the present invention, the contour of a battery cell can be managed within a preset setting error.

[0033] However, the effects obtainable through the present invention are not limited to those described above, and other unmentioned technical effects will be clearly understood by those skilled in the art from the description of the invention below. Brief explanation of the drawing

[0035] The following drawings attached to this specification illustrate preferred embodiments of the present invention and serve to further enhance understanding of the technical concept of the present invention together with the detailed description of the invention provided below; therefore, the present invention should not be interpreted as being limited only to the matters described in such drawings. FIG. 1 is a block diagram of a battery cell contour measuring device according to one embodiment of the present invention. FIG. 2 is a diagram showing the battery cell taping process in steps according to one embodiment of the present invention. FIG. 3 is a conceptual diagram illustrating the process of attaching insulating tape using a roller according to one embodiment of the present invention. FIG. 4 is a drawing showing a centerline in the thickness direction, a centerline in the width direction, and a centerline in the length direction according to one embodiment of the present invention. FIG. 5 is a drawing showing a reference plane of a battery cell according to one embodiment of the present invention. FIG. 6 is a diagram showing the coordinates of a reference plane of a battery cell according to one embodiment of the present invention. FIG. 7 is a drawing showing an example of contour measurement according to one embodiment of the present invention. FIG. 8 is a flowchart of a battery cell contour measurement method according to one embodiment of the present invention. FIG. 9 is a drawing showing the front measurement coordinates according to one embodiment of the present invention. FIG. 10 is a drawing showing the results of measuring the front contour according to one embodiment of the present invention. Specific details for implementing the invention

[0036] Preferred embodiments of the present invention will be described in detail below with reference to the attached drawings. Prior to this, terms and words used in this specification and claims should not be interpreted as being limited to their ordinary or dictionary meanings. Instead, based on the principle that the inventor may appropriately define the concepts of terms to best describe his invention, they should be interpreted in a meaning and concept consistent with the technical spirit of the present invention. Therefore, it should be understood that the embodiments described in this specification and the configurations illustrated in the drawings are merely some of the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention; thus, various equivalents and modifications that can replace them may exist at the time of filing this application. Furthermore, as used in this specification, "comprise" or "include" and / or "comprising" or "including" specify the presence of the mentioned features, numbers, steps, actions, parts, elements, and / or groups thereof, and do not exclude the presence or addition of one or more other features, numbers, actions, parts, elements, and / or groups. In addition, when describing embodiments of the present invention, "can" and "can" may include "one or more embodiments of the present invention."

[0037] Additionally, to aid in understanding the invention, the attached drawings are not drawn to actual scale, and the dimensions of some components may be exaggerated. Furthermore, the same reference numerals may be assigned to identical components in different embodiments.

[0038] The statement that two subjects of comparison are 'identical' means that they are 'substantially identical.' Therefore, substantial identity may include deviations considered low in the industry, for example, deviations within 5%. Additionally, the statement that a parameter is uniform in a given area may mean that it is uniform from an average perspective.

[0039] Although terms such as "first," "second," etc., are used to describe various components, it goes without saying that these components are not limited by these terms. These terms are used merely to distinguish one component from another, and unless specifically stated otherwise, the first component may also be the second component.

[0040] Throughout the specification, unless specifically stated otherwise, each component may be singular or plural.

[0041] The fact that any configuration is placed on the "upper (or lower)" of a component or on the "upper (or lower)" of a component may mean not only that any configuration is placed in contact with the upper (or lower) surface of said component, but also that another configuration may be interposed between said component and any configuration placed on (or below) said component.

[0042] Furthermore, where it is stated that one component is "connected," "coupled," or "connected" to another component, it should be understood that while said components may be directly connected or connected to each other, another component may be "interposed" between each component, or that each component may be "connected," "coupled," or "connected" through another component. Additionally, when it is stated that a part is electrically coupled with another part, this includes not only cases where they are directly connected but also cases where they are connected with another component in between.

[0043] Throughout the specification, "A and / or B" means A, B, or A and B unless specifically stated otherwise. That is, "and / or" includes any combination or any combination of the enumerated items. "C to D" means C or more and D or less, unless specifically stated otherwise.

[0045] FIG. 1 is a block diagram of a battery cell contour measuring device according to one embodiment of the present invention.

[0046] Referring to FIG. 1, a battery cell contour measuring device according to one embodiment of the present invention may include a taping process module (100), a memory (200), and a processor (300).

[0047] The taping process module (100) can perform a taping process to tape the battery cell (400) with insulating tape (500). Depending on the taping process, the battery cell (400) can be insulated from external foreign substances and prevent cell-to-cell short circuits.

[0048] FIG. 2 is a diagram showing the battery cell taping process in steps according to one embodiment of the present invention.

[0049] FIGS. 2(a) to (e) illustrates, in a step-by-step process, that an insulating tape (500) is supplied and the insulating tape (500) is taped onto the surface of a battery cell (400).

[0050] The taping process module (100) may include a roller (110), a roller drive unit (120), and an insulating tape supply unit (130).

[0051] The insulating tape supply unit (130) can supply insulating tape (500).

[0052] The roller (110) can tape the insulating tape (500) supplied by the insulating tape supply unit (130) to the surface of the battery cell (nude cell) (400). To do this, the roller (110) moves toward the battery cell (400) and comes into contact with the surface of the battery cell (400), and by moving up and down along the surface of the battery cell (400) while in contact with the battery cell (400), the insulating tape (500) can be adhered to the battery cell (400).

[0053] A plurality of rollers (110) may be provided according to the taping area of ​​the battery cell (400), and each roller (110) can adhere the insulating tape (500) to the battery cell (400) in various directions. The taping area may be the front side, the cross side, and the bottom side of the taping cell, but is not particularly limited.

[0054] The roller (110) may be made of a material of relatively high hardness to minimize deformation during compression rolling. The material of the roller (110) may be high-hardness urethane or high-hardness silicone, but is not specifically limited.

[0055] The roller drive unit (120) can drive the roller (110) to adhere the insulating tape (500) to the surface of the battery cell (400).

[0056] FIG. 3 is a conceptual diagram illustrating the process of attaching insulating tape using a roller according to one embodiment of the present invention.

[0057] Referring to FIG. 3, the roller drive unit (120) can move the roller (110) back and forth toward the battery cell (400) to bring the roller (110) into contact with the surface of the battery cell (400). The roller drive unit (120) moves the roller (110) up and down, that is, pressurizes and rolls it while it is in contact with the surface of the battery cell (400), thereby causing the insulating tape (500) to adhere to the surface of the battery cell (400).

[0058] As described above, during the process of adhering the insulating tape (500) to the battery cell (400), the roller (110) can be used to measure the contour of the battery cell (400) during the taping process. That is, during the taping process, the position of the roller (110) is measured, and the measured position of the roller (110) can be used to measure the contour of the battery cell (400). This will be described later.

[0059] The outline of the battery cell (400) may be the shape of the surface of the battery cell (400) itself, and may be a set of vertical distances between the contact position of the roller (110) and the reference plane. Here, the contact position and the reference plane will be described later.

[0060] The roller (110) may be formed with a predetermined width for contour measurement accuracy. For example, the roller (110) may be manufactured with a width that is relatively small compared to the front side, cross-section, and bottom side of the battery cell (400). If the width of the roller (110) is relatively wide, the taping process time may be reduced, but the contour measurement accuracy of the battery cell (400) may be reduced. Therefore, the contour measurement accuracy can be improved by rolling multiple times with a roller (110) that is relatively small compared to the front side, cross-section, and bottom side of the battery cell (400), and measuring the contact positions between the roller (110) and the battery cell (400) at various points during this process. The width of the roller (110) may be 30 to 50 mm. The width of the roller (110) may be set in various ways considering the width of the taping area of ​​the battery cell (400), process efficiency, and contour measurement accuracy.

[0061] The memory (200) can store various data used by the processor (300). The data may include instructions for performing operations or steps according to an embodiment of the present invention. That is, the memory (200) can store instructions for controlling the taping process module (100) to perform a taping process and measuring the contour of the battery cell (400) using the contact position where the roller (110) touches the surface of the battery cell (400) during this process.

[0062] The memory (200) may include at least one storage medium among a flash memory type, a hard disk type, a multimedia card micro type, a card type memory, RAM (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read-Only Memory), PROM (Programmable Read-Only Memory), EPROM (Erasable Programmable Read-Only Memory), and EEPROM (Electrically Erasable Programmable Read-Only Memory).

[0063] The processor (300) can be connected to memory (200) and can execute instructions stored in memory (200). By executing instructions stored in memory (200), the processor (300) can control at least one other component (e.g., hardware or software component) connected to the processor (300) and can perform various data processing or operations.

[0064] Additionally, the processor (300) may be configured to perform each function separately at the hardware, software, or logic level. In this case, dedicated hardware may be used to perform each function. To this end, the processor (300) may be implemented as or include at least one of an ASIC (Application Specific Integrated Circuit), a DSP (Digital Signal Processor), a PLD (Programmable Logic Devices), FPGAs (Field Programmable Gate Arrays), a CPU (Central Processing Unit), a microcontroller (110), and / or a microprocessor.

[0065] The processor (300) may be implemented as a Central Processing Unit (CPU) or a System on Chip (SoC), and may control multiple hardware or software components connected to the processor (300) by running an operating system or application, and may perform various data processing and operations. The processor (300) may be configured to execute at least one instruction stored in memory (200) and store the execution result data in memory (200).

[0066] The processor (300) can perform a taping process by controlling the taping process module (100). In the taping process, the processor (100) can control the roller drive unit (120) based on the current position of the roller (110). The processor (300) can measure the contact position between the roller (110) and the surface of the battery cell (400), and measure the contour of the battery cell (400) based on the measured contact position. To do this, the processor (300) can form a virtual reference plane (440) on the battery cell (400) and measure the distance between the reference plane (440) and the roller (110) based on the contact position between the roller (110) and the surface of the battery cell (400). The processor (300) can measure the contour of the battery cell (400) based on the distance between the reference plane (440) and the roller (110).

[0067] Specifically, when the battery cell (400) is placed at a process location for a taping process, the processor (300) can form a reference plane (440) with the battery cell (400) as a virtual centerline.

[0068] The reference plane (440) is a completely flat plane that is not uneven, and the contour of the battery cell (400) can also be used as a reference for measurement.

[0069] The reference plane (440) may be a virtual plane set inside the battery cell (400) to measure the contour of the battery cell (400).

[0070] FIG. 4 is a drawing showing a centerline in the thickness direction, a centerline in the width direction, and a centerline in the length direction according to one embodiment of the present invention.

[0071] FIG. 4 illustrates a virtual centerline (410) in the length direction (x-axis), a virtual centerline (420) in the width direction (z-axis), and a virtual centerline (430) in the thickness direction (y-axis) of a battery cell (400).

[0072] The processor (300) can form a reference plane (440) using the center line (410) in the length direction (x-axis), the center line (420) in the width direction (z-axis), and the center line (430) in the thickness direction (y-axis) of the battery cell (400).

[0073] The reference plane (440) may include a first reference plane (441), a second reference plane (442), and a third reference plane (443).

[0074] The processor (300) can form a first reference plane (441), a second reference plane (442), and a third reference plane (443) respectively using the center line (410) in the length direction (x-axis), the center line (420) in the width direction (z-axis), and the center line (430) in the thickness direction (y-axis) of the battery cell (400).

[0075] FIG. 5 is a drawing showing a reference plane of a battery cell according to one embodiment of the present invention.

[0076] Referring to FIG. 5, the first reference plane (441), the second reference plane (442), and the third reference plane (443) may be formed according to the contour measurement zones of the battery cell (400). The contour measurement zones of the battery cell (400) may be the front sides, cross sides, and bottom sides of the battery cell (400), and may coincide with the taping zones mentioned above.

[0077] The first reference plane (441) can be used to measure the contours of both front sides of the battery cell (400). The first reference plane (441) can be formed (xz plane) by a centerline (430) in the thickness direction (y-axis) and a centerline (420) in the width direction (z-axis).

[0078] The second reference plane (442) can be used to measure the contour of the bottom portion of the battery cell (400). The second reference plane (442) can be formed (xy plane) by a centerline (420) in the width direction (z-axis) and a centerline (410) in the length direction (x-axis).

[0079] The third reference plane (443) can be used to measure the contours of the cross-sectional portions on both sides of the battery cell (400). The third reference plane (443) can be formed (yz plane) by the centerline (430) in the thickness direction (y-axis) and the centerline (410) in the length direction (x-axis) of the battery cell (400).

[0080] The processor (300) can set coordinates on the reference plane (440). That is, the processor (300) can set coordinates on each of the first reference plane (441), the second reference plane (442), and the third reference plane (443).

[0081] FIG. 6 is a diagram showing the coordinates of a reference plane of a battery cell according to one embodiment of the present invention.

[0082] (a) of FIG. 6 is a coordinate (xn,0,zn) set on the first reference plane (441), (b) is a coordinate (xn,yn,0) set on the second reference plane (442), and (c) is a coordinate (0,yn,zn) set on the third reference plane (443).

[0083] By setting coordinates on each of the first reference plane (441), the second reference plane (442), and the third reference plane (443), the processor (300) can measure the distance between the reference plane (440) and the roller (110) for each coordinate.

[0084] FIG. 7 is a drawing showing an example of contour measurement according to one embodiment of the present invention.

[0085] Referring to FIG. 7, the processor (300) can control the taping process module (100) to perform a taping process.

[0086] The processor (300) can control the insulating tape supply unit (130) to supply the insulating tape (500).

[0087] The processor (300) can move the roller (110) toward the battery cell (400) to bring it into contact with the battery cell (400), and can adhere the insulating tape (500) to the surface of the battery cell (400) through compression rolling.

[0088] During such a taping process, the processor (300) can measure the contour of the battery cell (400) using the vertical distance between the reference plane (440) and the contact position.

[0089] The contact location may be the location where the surface of the battery cell (400) and the roller (110) are in contact. The vertical distance may be the vertical distance from each coordinate point (P) of the reference plane (440) to the contact location. Thus, the vertical distance can be calculated for each coordinate of the reference plane (440).

[0090] First, the processor (300) can determine the initial position of the roller (110). The initial position of the roller (110) may be a waiting position before moving the roller (110). The processor (300) can calculate the initial distance between the position of the reference plane (440) and the initial position.

[0091] Next, the processor (300) can control the roller drive unit (120) to move the roller (110) toward the battery cell (400), as illustrated in FIG. 7 (a). At this time, the processor (300) can determine whether the roller (110) is in contact with the surface of the battery cell (400). When the roller (110) is in contact with the surface of the battery cell (400), the processor (300) can control the roller drive unit (120) to stop the movement of the roller (110) and measure the contact position where the roller (110) is in contact with the surface of the battery cell (400). The processor (300) can calculate the distance traveled by the roller (110) using the initial position and the contact position of the roller (110).

[0092] Next, the processor (300) can calculate the vertical distance by subtracting the travel distance from the initial distance of the roller (110).

[0093] Afterward, the processor (300) can control the roller drive unit (120) as shown in FIG. 7 (b) to move the roller (110) in close contact with the battery cell (400). In this process, the processor (300) can measure the contact position for each coordinate as described above and calculate the vertical distance between the measured contact position and the reference plane (440).

[0094] Meanwhile, the roller (110) can be formed with a preset width as described above. In this case, the processor (300) can sequentially measure the contour lines by a width corresponding to the width of the roller (110), as shown in (c) of FIG. 7.

[0095] The processor (300) can manage the vertical distance obtained at each coordinate in the form of a profile.

[0096] FIG. 8 is a flowchart of a battery cell contour measurement method according to one embodiment of the present invention.

[0097] Referring to FIG. 8, when the processor (300) starts taping fixation, it can control the insulating tape supply unit (130) to supply the insulating tape (500) (S100).

[0098] The processor (300) can determine the initial position of the roller (110) and calculate the initial distance between the position of the reference plane (440) and the initial position (S200).

[0099] The processor (300) can control the roller drive unit (120) to move the roller (110) toward the battery cell (400) (S300). At this time, the processor (300) can determine whether the roller (110) contacts the surface of the battery cell (400) (S400).

[0100] As a result of the judgment in step S400, if the roller (110) comes into contact with the surface of the battery cell (400), the processor (300) can stop the movement of the roller (110) through the roller drive unit (120).

[0101] Next, the processor (300) can measure the contact position where the surface of the battery cell (400) and the roller (110) come into contact. The processor (300) can calculate the travel distance of the roller (110) using the initial position and the contact position of the roller (110) (S500).

[0102] The processor (300) can calculate the vertical distance at the current coordinate by subtracting the travel distance from the initial distance of the roller (110) (S600).

[0103] Afterwards, the processor (300) controls the roller drive unit (120) to move the roller (110) in close contact with the battery cell (400), and in this process, the contact position can be measured for each coordinate as described above (S700).

[0104] The processor (300) can calculate the vertical distance between the reference plane (440) and the contact position using the contact position at each coordinate (S800).

[0105] The processor (300) can store the vertical distance obtained at each coordinate and manage it in the form of a profile (S900).

[0106] FIG. 9 is a drawing showing the front measurement coordinates according to one embodiment of the present invention, and FIG. 10 is a drawing showing the front contour measurement results according to one embodiment of the present invention.

[0107] FIG. 9 shows the front measurement coordinates of the battery cell (400), and FIG. 10 shows the contour lines at each of these coordinates. In particular, FIG. 10 shows that there is a significant difference in the contour lines at coordinates (x4,z0), (x4,z1), (x4,z2), and (x4,z3).

[0108] As used herein, the terms “part” and “module” may include units implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit. “Part” and “module” may be a component formed integrally, or a minimum unit of said component or a part thereof that performs one or more functions. For example, according to one embodiment, “part” and “module” may be implemented in the form of an Application-Specific Integrated Circuit (ASIC).

[0109] Although the present invention has been described above by limited embodiments and drawings, the present invention is not limited thereto, and it is obvious that various modifications and variations are possible within the scope of the technical spirit of the present invention and the equivalent scope of the claims described below by those skilled in the art to which the present invention belongs. Explanation of the symbols

[0111] 100: Taping Process Module 110: Roller 120: Roller drive unit 130: Insulation tape supply unit 200: Memory 300: Processor 400: Battery cell 440: Reference plane 441: First reference plane 442: Second reference plane 443: Third reference plane 500: Insulation tape

Claims

Claim 1 A battery cell contour measuring device comprising: a processor; and a memory for storing instructions executed by the processor, wherein the processor measures the contour of the battery cell using a contact position in which a roller contacts the surface of the battery cell to adhere an insulating tape to the battery cell. Claim 2 A battery cell contour measuring device according to claim 1, wherein the processor measures the contour of the battery cell using the vertical distance between a preset reference plane and the contact position. Claim 3 A battery cell contour measuring device according to paragraph 2, wherein the reference plane comprises at least one of a first reference plane formed by a centerline in the thickness direction and a centerline in the width direction of the battery cell, a second reference plane formed by a centerline in the width direction and a centerline in the length direction of the battery cell, and a third reference plane formed by a centerline in the thickness direction and a centerline in the length direction of the battery cell. Claim 4 In paragraph 2, the reference plane is a battery cell contour measuring device set for each contour measuring zone of the battery cell. Claim 5 In paragraph 4, the battery cell contour measuring device wherein the contour measuring area of ​​the battery cell is at least one of the two-sided front portion, the cross portion, and the bottom portion of the battery cell. Claim 6 In paragraph 2, the battery cell contour measuring device, wherein the processor sets coordinates on the reference plane and measures the vertical distance for each coordinate. Claim 7 A battery cell contour measuring device according to paragraph 2, wherein the processor, in the process of moving the roller toward the battery cell, calculates the initial distance between the position of the reference plane and the initial position of the roller, calculates the distance traveled by the roller through the initial position of the roller and the contact position, and calculates the distance between the reference plane and the contact position by subtracting the distance traveled from the initial distance of the roller. Claim 8 A battery cell contour measuring device according to claim 7, wherein the processor calculates the distance between the reference plane and the contact position based on the amount of change in the contact position resulting from the contact movement of the roller in contact with the battery cell during the process of moving the roller in contact with the battery cell. Claim 9 A battery cell contour measuring device comprising: a taping process module that tapes the battery cell by using a roller to adhere an insulating tape to the battery cell; and a processor that controls the taping process module to measure a contact position where the roller contacts the surface of the battery cell during the taping process and measures the contour of the battery cell using the contact position. Claim 10 In claim 9, the taping process module comprises a roller driving unit that moves the roller toward the battery cell or presses the roller against the battery cell to tape the insulating tape to the battery cell. Claim 11 In claim 9, the battery cell contour measuring device, wherein the processor measures the contour of the battery cell using the vertical distance between a preset reference plane and the contact position. Claim 12 A battery cell contour measuring device according to claim 11, wherein the processor sets coordinates on the reference plane and measures the vertical distance between the reference plane and the contact position for each coordinate. Claim 13 A battery cell contour measuring device according to claim 12, wherein the processor, in the process of moving the roller toward the battery cell, calculates the initial distance between the position of the reference plane and the initial position of the roller, calculates the distance traveled by the roller through the initial position of the roller and the contact position, and calculates the vertical distance between the reference plane and the contact position by subtracting the distance traveled from the initial distance of the roller. Claim 14 A battery cell contour measuring device according to claim 12, wherein the processor calculates the vertical distance between the reference plane and the contact position based on the amount of change in the contact position resulting from the contact movement of the roller in contact with the battery cell during the process of moving the roller in contact with the battery cell. Claim 15 A method for measuring a battery cell contour, comprising: a step of measuring a contact position where the roller touches the surface of the battery cell during the process of taping the battery cell with insulating tape using a roller by a processor; and a step of measuring the contour of the battery cell using the contact position by the processor. Claim 16 A battery cell contour measurement method according to claim 15, wherein in the step of measuring the contour of the battery cell, the processor measures the contour of the battery cell using the vertical distance between a preset reference plane and the contact position. Claim 17 A battery cell contour measurement method according to claim 16, wherein in the step of measuring the contour of the battery cell, the processor sets coordinates on the reference plane and measures the vertical distance between the reference plane and the contact position for each coordinate. Claim 18 A battery cell contour measurement method according to claim 16, wherein, in the step of measuring the contour of the battery cell, the processor calculates the initial distance between the position of the reference plane and the initial position of the roller while moving the roller toward the battery cell, calculates the distance traveled by the roller through the initial position of the roller and the contact position, and calculates the vertical distance between the reference plane and the contact position by subtracting the distance traveled from the initial distance of the roller. Claim 19 A battery cell contour measurement method according to claim 16, wherein, in the step of measuring the contour of the battery cell, the processor calculates the vertical distance between the reference plane and the contact position based on the amount of change in the contact position resulting from the contact movement of the roller in contact with the battery cell.

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