Square box cell insulation printing method, device, equipment and medium

By controlling the print head assembly to move at a preset anti-overlap interval distance on the surface of the battery cell, the problem of overlapping seams on the surface of the battery cell is solved, achieving low-cost and high-efficiency insulation printing results.

CN121268433BActive Publication Date: 2026-03-17湖南三迪数字涂装系统有限公司
View PDF 2 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-12-05
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

In existing technologies for printing insulation on the surface of battery cells, the problem of overlapping seams is difficult to solve, resulting in high operational difficulty, low efficiency, and high cost.

Method used

By controlling the printhead assembly to move along the surface of the battery cell at a preset anti-overlap interval distance, it ensures that the splicing seams do not overlap, simplifies algorithm debugging, and avoids high-precision physical adjustments and the need for additional printheads.

Benefits of technology

It reduces operational difficulty, improves production efficiency, and reduces equipment procurement and maintenance costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121268433B_ABST
    Figure CN121268433B_ABST
Patent Text Reader

Abstract

The application discloses a square box battery cell insulation printing method, device, equipment and medium. By controlling the printing nozzle group (single group mode moves a preset anti-overlapping interval distance in a first direction to complete printing, or multiple group mode is arranged at an interval of the preset interval distance in the first direction), the splicing joint is not overlapped, without relying on complex algorithms such as feathering and hole closing, the problem of high algorithm debugging difficulty and the need to break through technical barriers is avoided, the technical implementation process is greatly simplified, without the need for high-precision physical installation position adjustment of the nozzle, a large amount of time consumption is avoided, the production rhythm is effectively accelerated, and the printing efficiency is improved. At the same time, without the need for additional nozzles, the increase of equipment procurement and maintenance costs caused by high-value nozzles is avoided, and the economic burden of the production end is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This application relates to the field of battery cells, and in particular to a method, apparatus, equipment and medium for printing insulation on square battery cells. Background Technology

[0002] In battery cell surface insulation printing, overlapping seams are a common pain point. Although existing technologies optimize printhead splicing through feathering and hole-closing algorithms, combined with high-precision physical adjustments, and additional printheads at the splicing points to improve the effect, many drawbacks still exist. For example, feathering and hole-closing algorithms are extremely complex, and actual debugging requires overcoming multiple technical barriers, making it difficult to implement quickly. High-precision adjustment of the physical installation position of the printheads consumes a lot of time, severely slowing down the production pace and significantly reducing overall efficiency. At the same time, as high-precision, high-value components, adding extra printheads directly increases the cost of equipment procurement and maintenance significantly. Summary of the Invention

[0003] This application aims to provide a method, apparatus, equipment, and medium for printing insulation on square battery cells, which can reduce the impact of overlapping seams at a lower cost and with less difficulty.

[0004] The method for printing insulation on a square battery cell provided in the first aspect of this application includes:

[0005] In response to a single print completion command, the print head group is controlled to move a preset anti-overlap interval distance along a first direction on the surface of the square cell. The first direction and the second direction are perpendicular to the surface of the square cell. The second direction is the printing direction of the print head group. The print head group includes multiple print heads, and there is a seam between the printing areas of two adjacent print heads.

[0006] When the print head group completes the movement of the preset anti-overlap interval distance along the first direction, the print head group is controlled to perform spraying and printing along the second direction of the square cell surface, and when the printing is completed, the single printing completion command is generated.

[0007] The preset anti-overlap interval distance is used to prevent the multiple seams formed by the printing nozzle assembly from overlapping; the preset anti-overlap interval distance is determined based on the limited movement length of the insulating printing equipment in the first direction, the printing length of the nozzle in the first direction, and the preset number of printing times.

[0008] The cell insulation printing apparatus according to a second aspect of this application includes:

[0009] A movement control module is used to control the print head group to move a preset anti-overlap interval distance along a first direction on the surface of the square cell in response to a single print completion command. The first direction and a second direction are perpendicular to the surface of the square cell. The second direction is the printing direction of the print head group. The print head group includes multiple print heads, and there is a seam between the printing areas of two adjacent print heads.

[0010] A single-print control module is used to control the print head group to perform spraying and printing along the second direction of the square cell surface when the print head group has completed moving the preset anti-overlap interval distance along the first direction, and to generate the single-print completion command when the printing is completed.

[0011] The preset anti-overlap interval distance is used to prevent the multiple seams formed by the printing nozzle assembly from overlapping; the preset anti-overlap interval distance is determined based on the limited movement length of the insulating printing equipment in the first direction, the printing length of the nozzle in the first direction, and the preset number of printing times.

[0012] The third aspect of this application provides a method for printing insulation on a square battery cell, which is used to control an insulation printing device. The insulation printing device includes multiple sets of printing nozzles, each set of printing nozzles includes multiple nozzles, and there is a seam between the printing areas of two adjacent nozzles.

[0013] The method for printing insulation on the square cell includes:

[0014] In response to the start printing command, multiple sets of printing nozzles are controlled to spray and print along the second direction of the square cell surface;

[0015] In the first direction on the surface of the square battery cell, a preset anti-overlap interval distance is placed between the same position of two adjacent sets of printing nozzles; the preset anti-overlap interval distance is used to prevent the multiple splicing seams formed by the printing of multiple sets of printing nozzles from overlapping; the preset anti-overlap interval distance is determined based on the limited movement length of the insulation printing equipment in the first direction, the printing length of the nozzle in the first direction, and the number of nozzles in the printing nozzle set.

[0016] According to a fourth aspect of this application, a square-cell battery cell insulation printing apparatus is used to control an insulation printing device, the insulation printing device including multiple sets of printing nozzles, each set of printing nozzles including multiple nozzles, and there is a splicing seam between the printing areas of two adjacent nozzles.

[0017] The square cell insulation printing device includes:

[0018] The printing control module is used to control multiple sets of printing nozzles to spray and print along the second direction of the surface of the square cell in response to the start printing command;

[0019] In the first direction on the surface of the square battery cell, a preset anti-overlap interval distance is placed between the same position of two adjacent sets of printing nozzles; the preset anti-overlap interval distance is used to prevent the multiple splicing seams formed by the printing of multiple sets of printing nozzles from overlapping; the preset anti-overlap interval distance is determined based on the limited movement length of the insulation printing equipment in the first direction, the printing length of the nozzle in the first direction, and the number of nozzles in the printing nozzle set.

[0020] An electronic device according to a fifth aspect of this application includes: a processor and a memory storing computer program instructions;

[0021] When the processor executes computer program instructions, it implements the cell insulation printing method as described in the first and third aspect embodiments.

[0022] According to a sixth aspect embodiment of this application, a computer-readable storage medium stores computer-executable instructions for performing the cell insulation printing method as described in the first and third aspect embodiments above.

[0023] The method, apparatus, equipment, and medium for printing insulation of square battery cells in this application embodiment achieve non-overlapping seams by controlling the printing nozzle group (in a single group mode, printing is completed by moving a preset anti-overlap interval distance along the first direction, or in multiple groups mode, the nozzles are arranged at preset interval distances in the first direction). This eliminates the need for complex algorithms such as feathering and hole closing, avoiding the problems of high algorithm debugging difficulty and the need to overcome technical barriers, greatly simplifying the technical implementation process. Furthermore, it eliminates the need for high-precision physical installation position adjustment of the nozzles, avoiding a large amount of time consumption, effectively accelerating the production pace and improving printing efficiency. At the same time, it eliminates the need for additional nozzles, avoiding the increase in equipment procurement and maintenance costs caused by high-value nozzles, and reducing the economic burden on the production side.

[0024] Other features and advantages of this application will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing this application. Attached Figure Description

[0025] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0026] Figure 1 This is a schematic diagram of the structure of the insulation printing device according to an embodiment of this application;

[0027] Figure 2 This is a flowchart of the square battery cell insulation printing method according to an embodiment of this application;

[0028] Figure 3 This is a schematic diagram of the splicing seam misalignment in the square cell insulation printing method of this application embodiment;

[0029] Figure 4 This is a schematic diagram showing the layout of multiple sets of printhead printing components according to an embodiment of this application;

[0030] Figure 5 This is a scale diagram of multiple sets of printhead printing components according to an embodiment of this application.

[0031] Figure label:

[0032] Crossbeam 110, motion mechanism 120, motion head 130, printing nozzle assembly 140. Detailed Implementation

[0033] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0034] In the description of this application, the use of terms such as "first," "second," etc., is for the purpose of distinguishing technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0035] In the description of this application, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0036] In the description of this application, it should be noted that, unless otherwise explicitly defined, terms such as "setup," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this application in conjunction with the specific content of the technical solution.

[0037] The technical solution of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are some embodiments of this application, not all embodiments.

[0038] To better describe the insulation printing method, apparatus, equipment, and medium for square battery cells according to embodiments of this application, an insulation printing apparatus is proposed herein, such as... Figure 1 As shown, the insulating printing equipment includes a crossbeam 110, a motion mechanism 120, a motion carriage 130, a print head assembly 140, an ink system, and a control unit, wherein the motion mechanism 120, the motion carriage 130, the print head assembly 140, and the ink system are all controlled by the control unit.

[0039] The aforementioned motion structure can move on the crossbeam 110. After the motion head 130 is installed on the motion mechanism 120, it can move in the first direction and the second direction by combining with the motion mechanism 120. The first direction and the second direction can be understood as the two directions corresponding to the two perpendicular right-angled sides of the surface of the square battery cell after it is placed flat. In some embodiments, the motion head 130 can also realize the third direction of motion, that is, the direction perpendicular to the first direction and the second direction.

[0040] The above-mentioned print head group 140 can be set as one or multiple. When multiple print head groups 140 are set, multiple print head groups 140 can be set on one moving head 130.

[0041] The aforementioned printhead assembly 140 includes multiple printheads. During the surface insulation printing process of the square battery cell, in order to ensure that the insulating ink can completely cover the surface, overlapping areas will appear between the printing areas of adjacent printheads, which will then form a seam. Furthermore, in order to achieve the expected insulation thickness, repeated spraying is usually required, which will result in the seam being thicker than other areas.

[0042] The control unit can be a PLC, DSP, microcontroller, ARM, etc., and a Siemens S7 series processor can be selected.

[0043] The aforementioned insulation printing equipment can also be equipped with an image acquisition device electrically connected to the control unit. The image acquisition device can acquire an image of the area where the square box cell is located, thereby enabling the positioning of the square box cell and, consequently, the positioning of the print head assembly 140.

[0044] It should be noted that if the clamping mechanism of the square battery cell itself has positioning capability or can accurately move to a fixed or designated position, the relative position between the print head assembly 140 and the square battery cell can also be accurately positioned by controlling the movement of the print head assembly 140.

[0045] The following description, based on the aforementioned insulation printing equipment, outlines the insulation printing method, apparatus, device, and medium for square battery cells according to embodiments of this application. It should be noted that this insulation printing equipment is provided to better understand the embodiments of this application and should not be considered as a limitation on the scope of protection.

[0046] like Figure 2As shown, Figure 2 This is a flowchart of a square cell insulation printing method according to an embodiment of the present application. The square cell insulation printing method is applied to a control unit for controlling a device with a single print head group 140, and includes steps S100 to S200.

[0047] Step S100: In response to the single print completion command, control the print head group 140 to move a preset anti-overlap interval distance along the first direction on the surface of the square cell. The first direction and the second direction are perpendicular to the surface of the square cell. The second direction is the printing direction of the print head group 140. The print head group 140 includes multiple print heads. There is a splicing seam between the printing areas of two adjacent print heads.

[0048] Step S200: After the print head group 140 has completed moving a preset anti-overlap interval distance along the first direction, control the print head group 140 to perform spraying and printing along the second direction of the square cell surface, and generate a single print completion command when printing is completed.

[0049] The preset anti-overlap interval distance is used to prevent multiple seams formed by the printing nozzle group 140 from overlapping. The preset anti-overlap interval distance is determined based on the limited movement length of the insulating printing equipment in the first direction, the printing length of the nozzle in the first direction, and the preset number of printings.

[0050] In this embodiment, by controlling the printhead assembly 140 to move a preset anti-overlap interval distance along the first direction after each printing in the second direction, the next printing is performed. This achieves non-overlapping seams, eliminating the need for complex algorithms such as feathering and hole closing, thus avoiding the problems of high algorithm debugging difficulty and the need to overcome technical barriers. This greatly simplifies the technical implementation process. Furthermore, it eliminates the need for high-precision physical installation position adjustment of the printheads, avoiding a large amount of time consumption, effectively accelerating the production pace and improving printing efficiency. At the same time, it eliminates the need for additional printheads, avoiding the increase in equipment procurement and maintenance costs caused by high-value printheads, and reducing the economic burden on the production side.

[0051] Each printhead assembly 140 prints from one side of the battery cell surface to the other in a straight line, forming an insulating layer and leaving a seam. Each print can be understood as printing a fixed image, with a preset number of prints N, i.e., completing the printing of images Image1 to ImageN, with adjacent images staggered by a preset anti-overlap interval.

[0052] After the print head assembly 140 prints from one edge of the battery cell surface to the other edge in a straight line, it can be understood as a single print operation completed. At this time, a single print operation completion command can be generated to indicate that the print operation is complete.

[0053] The aforementioned single print complete instruction can be understood as a fixed flag bit. When the flag bit is 1, it indicates completion, that is, the single print complete instruction is determined to be generated. When the flag bit is 0, it indicates incompleteness. Therefore, the change of the flag bit can be detected to determine whether a single print complete instruction has been generated.

[0054] The aforementioned single print completion command can also be determined by directly measuring the moving distance of the print head assembly 140. For example, if the distance the print head assembly 140 moves in this print is greater than or equal to the total distance the print needs to move in this print, it indicates completion, i.e., a single print completion command is confirmed. If the distance the print head assembly 140 moves in this print is less than the total distance the print needs to move in this print, it indicates incompleteness.

[0055] There are many ways to determine the single print completion instruction. As long as the single print completion instruction can be accurately generated after a single print is completed, the application needs to be met. This application does not impose any further limitations.

[0056] It should be noted that the single print completion command can be reset or cleared after "controlling the print head group 140 to move a preset anti-overlap interval distance along the first direction of the square cell surface" and before "controlling the print head group 140 to perform spraying and printing along the second direction of the square cell surface" so that the movement along the first direction can be performed next time.

[0057] The preset number of prints can be flexibly set according to actual printing needs.

[0058] In some implementations, a preset anti-overlap interval distance is determined through the following steps:

[0059] When the restricted moving length is less than the printing length, the preset anti-overlap interval distance is determined based on the quotient of the restricted moving length and the preset number of printings.

[0060] When the moving length is limited to be greater than or equal to the printing length, the preset anti-overlap interval distance is determined based on the quotient of the printing length and the preset number of printings.

[0061] In this embodiment, by distinguishing the relationship between the limited movement length and the printing length, corresponding calculation methods are adopted for each. That is, when the limited movement length is less than the printing length, its quotient is taken as the ratio of the limited movement length to the preset number of prints; otherwise, the quotient is taken as the ratio of the printing length to the preset number of prints. This eliminates the need for complex algorithm models and significantly simplifies the distance determination process. Furthermore, this method fully combines the physical limitations of the equipment with the printing characteristics of the printhead, ensuring that the seams do not overlap and avoiding the time-consuming operation of high-precision physical adjustment of the printhead.

[0062] For details, please refer to Figure 3The distance between the seam of printheads 1 and 2 and the seam of printheads 2 and 3 is the printing length L of one printhead. Therefore, the distance between adjacent seams is L. If the distance the printhead moves each time is too large, the current seam may overlap with the next seam after multiple moves. At the same time, the limited movement length of the crossbeam 110 must also be considered, that is, it cannot move without limit. The above-mentioned method for determining the preset anti-overlap interval distance takes into account both the printing length and the limited movement length, which can effectively avoid the overlap of seams.

[0063] In some embodiments, the method for printing insulation on square battery cells further includes:

[0064] In response to the start printing command, control the print head assembly 140 to move to the initial printing position on the surface of the square cell;

[0065] The control print head assembly 140 starts from the initial printing position and performs spraying and printing along the second direction of the square cell surface, and generates a single print completion command when printing is completed.

[0066] In this embodiment, after responding to the start printing command, the print head group 140 is first controlled to move to the initial printing position, which can accurately lock the printing start point and avoid printing misalignment or splicing defects caused by the starting point deviation, laying a precise foundation for subsequent spraying. At the same time, printing is completed from the initial position along the second direction and a single completion command is generated, which can make the whole printing process more orderly and eliminate the need for additional complex operations.

[0067] The aforementioned start printing command can be automatically generated after the preset number of prints is completed, or it can be generated at regular intervals based on the time required to complete the printing of the insulation of the single-sided square box cell. That is, it can be automatically generated once at fixed intervals so that the preset number of prints can be completed between two intervals, or it can be manually set to be generated.

[0068] The initial printing position can be manually determined according to actual printing needs. After completing the insulation printing of each square cell, you can return to the initial printing position to start the insulation printing of the next square cell.

[0069] In some embodiments, the method for printing insulation on square battery cells further includes:

[0070] Once the preset number of print runs has been completed, printing will be stopped, and the generation of single print completion instructions will cease.

[0071] In this embodiment, after the preset number of prints is completed, printing is stopped and the generation of a single print completion command is stopped to prevent the insulation layer from being incomplete due to insufficient prints. It can also stop the print head assembly 140 from moving further in the first direction after the insulation printing is completed, thereby reducing the time and energy loss caused by invalid operations.

[0072] In some embodiments, controlling the printhead assembly 140 to move a preset anti-overlap interval distance along a first direction along the surface of the square cell includes:

[0073] Based on the preset anti-overlap interval distance and the unit printing pixel of the printhead in the first direction, determine the single movement pixel of the printhead group 140;

[0074] The print head assembly 140 is controlled to move along the first direction, requiring a single pixel movement.

[0075] In this embodiment, the preset anti-overlap interval distance is converted into a single pixel that needs to be moved, and then the printhead group is controlled to move the corresponding pixel to achieve the method of "moving the preset anti-overlap interval distance along the first direction of the square cell surface". This can achieve the accuracy and consistency of the movement of the printhead group 140, so that the splicing seam is strictly distributed according to the preset interval without overlapping. Moreover, this method is simple to operate and can further reduce time and equipment costs while ensuring print quality.

[0076] In some implementations, the number of pixels to be moved in a single operation can be quickly determined using the following formula:

[0077] ;

[0078] In the formula, Δ is the pixel that needs to be moved in a single step, X is the preset anti-overlap interval distance, and Ph_DPI is the unit printing pixel of the printhead in the first direction.

[0079] The method for printing insulation on a square battery cell provided in this application can be executed by a square battery cell insulation printing device. This application uses a square battery cell insulation printing device as an example to illustrate the square battery cell insulation printing device provided in this application.

[0080] This application embodiment also provides a square cell insulation printing device, which includes:

[0081] The movement control module is used to respond to a single print completion command and control the print head group 140 to move a preset anti-overlap interval distance along a first direction on the surface of the square cell. The first direction and the second direction are perpendicular to the surface of the square cell. The second direction is the printing direction of the print head group 140. The print head group 140 includes multiple print heads, and there is a splicing seam between the printing areas of two adjacent print heads.

[0082] The single-print control module is used to control the printing nozzle group 140 to perform spraying and printing along the second direction of the square cell surface after the printing nozzle group 140 has completed moving a preset anti-overlap interval distance along the first direction, and to generate a single-print completion command when the printing is completed.

[0083] The preset anti-overlap interval distance is used to prevent multiple seams formed by the printing nozzle group 140 from overlapping. The preset anti-overlap interval distance is determined based on the limited movement length of the insulating printing equipment in the first direction, the printing length of the nozzle in the first direction, and the preset number of printings.

[0084] This application also proposes a method for printing insulation on a square battery cell, which is applied to a control unit for controlling a device with multiple printhead groups 140, including:

[0085] In response to the start printing command, multiple sets of printheads 140 are controlled to perform spraying and printing along the second direction of the square cell surface;

[0086] In the first direction on the surface of the square cell, there is a preset anti-overlap interval distance between the same position of two adjacent sets of printing nozzles 140; the preset anti-overlap interval distance is used to prevent multiple splicing seams formed by multiple sets of printing nozzles 140 from overlapping; the preset anti-overlap interval distance is determined according to the limited movement length of the insulation printing equipment in the first direction, the printing length of the nozzle in the first direction, and the number of nozzles in the printing nozzle set 140.

[0087] In this embodiment, by controlling the center spacing of multiple printhead groups 140 to preset the anti-overlap interval distance, the splicing seams do not overlap. This eliminates the need for complex algorithms such as feathering and hole closing, avoiding the problems of high algorithm debugging difficulty and the need to overcome technical barriers, greatly simplifying the technical implementation process. Furthermore, it eliminates the need for high-precision physical installation position adjustment of the printheads, avoiding a large amount of time consumption, effectively accelerating the production pace and improving printing efficiency. At the same time, it also eliminates the need for additional printheads, avoiding the increase in equipment procurement and maintenance costs caused by high-value printheads, and reducing the economic burden on the production side.

[0088] The aforementioned insulation printing equipment includes multiple sets of printheads 140, such as... Figure 4 As shown, each printhead group 140 includes multiple printheads, and there is a seam between the printing areas of two adjacent printheads. It can be understood that printing each printhead group 140 can be understood as printing a fixed image. The number of printhead groups 140 is N, that is, to complete the printing of graphics Image1 to ImageN, and adjacent graphics will be staggered by a preset anti-overlap interval distance.

[0089] Each print head group 140 prints from one side of the cell surface to the other in a straight line, forming an insulation layer and leaving a seam. The intermediate spacing between multiple print head groups 140 is preset to prevent overlapping, so that multiple seams can be distributed discretely and avoid stacking in the same place.

[0090] The number of printheads in the above-mentioned printhead group 140 can be flexibly set according to actual needs.

[0091] In some implementations, a preset anti-overlap interval distance is determined through the following steps:

[0092] When the restricted moving length is less than the printing length, the preset anti-overlap interval distance is determined based on the quotient of the restricted moving length and the number of printhead groups;

[0093] When the movement length is limited to be greater than or equal to the printing length, the preset anti-overlap interval distance is determined based on the quotient of the printing length and the number of printhead groups.

[0094] In this embodiment, by distinguishing the relationship between the limited movement length and the printing length, corresponding calculation methods are adopted for each. That is, when the limited movement length is less than the printing length, its quotient is taken as the quotient of the movement length and the number of printhead groups; otherwise, the quotient of the printing length and the number of printhead groups is taken. This eliminates the need for complex algorithm models and significantly simplifies the distance determination process. At the same time, this method fully combines the physical limitations of the equipment and the printing characteristics of the printheads, ensuring that the seams do not overlap and avoiding the time-consuming operation of high-precision physical adjustment of the printheads.

[0095] For details, please refer to Figure 3 The distance between the seams of printheads 1 and 2 and the seams of printheads 2 and 3 is the printing length L of one printhead. Therefore, the distance between adjacent seams is L. If the preset anti-overlap interval is too large, seams may overlap after multiple printhead groups are set up. Simultaneously, the limited movement length of the crossbeam 110 must be considered; therefore, printhead groups 140 cannot be set beyond the area of ​​the crossbeam 110. The method for determining the preset anti-overlap interval comprehensively considers both the printing length and the limited movement length, effectively avoiding overlapping seams.

[0096] In some implementations, reference Figure 5 Multiple printhead groups 140 can be positioned in the following ways:

[0097] Based on the printout pattern of the first set of nozzles, create a scale line corresponding to each nozzle hole;

[0098] Based on the nozzles from the second group to the Nth group, create a straight line at the same nozzle opening;

[0099] After printing the calibration pattern prepared above, the horizontal lines and scales are measured to determine the misalignment distance between each group and the first group.

[0100] The misalignment distance is adjusted based on the required preset anti-overlap interval distance, so that the same nozzles of two adjacent print head groups 140 are spaced apart by the preset anti-overlap interval distance, thus completing the positioning of multiple print head groups 140.

[0101] Each of the above groups can also be understood as each row.

[0102] In this embodiment, the horizontal line of the scale diagram is made based on the first group. Combined with the measurement results of the straight lines of the nozzles in other groups, the misalignment distance between each group can be obtained intuitively. The adjustment target can be clearly defined without relying on complex algorithms, which greatly reduces the technical threshold of positioning and debugging.

[0103] The method for printing insulation on a square battery cell provided in this application can be executed by a square battery cell insulation printing device. This application uses a square battery cell insulation printing device as an example to illustrate the square battery cell insulation printing device provided in this application.

[0104] This application embodiment also provides a square battery cell insulation printing device, which is applied to a control unit for controlling a device with multiple printhead groups 140, including:

[0105] The printing control module is used to control multiple sets of printheads 140 to perform spraying and printing along the second direction of the surface of the square cell in response to the start printing command.

[0106] In the first direction on the surface of the square cell, there is a preset anti-overlap interval distance between the same position of two adjacent sets of printing nozzles 140; the preset anti-overlap interval distance is used to prevent multiple splicing seams formed by multiple sets of printing nozzles 140 from overlapping; the preset anti-overlap interval distance is determined according to the limited movement length of the insulation printing equipment in the first direction, the printing length of the nozzle in the first direction, and the number of nozzles in the printing nozzle set 140.

[0107] The cell insulation printing device in this application embodiment can be an electronic device or a component of an electronic device, such as an integrated circuit or a chip. The electronic device can be a terminal or other devices besides a terminal. For example, the electronic device can be a mobile phone, tablet computer, laptop computer, PDA, in-vehicle electronic device, mobile internet device, augmented reality (AR) / virtual reality (VR) device, robot, wearable device, super mobile personal computer, netbook, or personal digital assistant, etc., and can also be a server, network attached storage, personal computer, television, ATM, or self-service machine, etc. This application embodiment does not specifically limit the specific device.

[0108] This application also provides an electronic device, including: a processor and a memory storing computer program instructions; when the processor executes the computer program instructions, it implements the above-described square cell insulation printing method. The source table provided in this application can implement each process of the above-described square cell insulation printing method embodiments and achieve the same beneficial effects; to avoid repetition, it will not be described again here.

[0109] This application also provides a computer-readable storage medium storing computer-executable instructions that are executed by a processor or control module, causing the processor to perform the cell insulation printing method described in the above embodiments, for example, to perform the method described above.

[0110] It should be clarified that this application is not limited to the specific configurations and processes described above and shown in the figures. For the sake of brevity, detailed descriptions of known methods are omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method process of this application is not limited to the specific steps described and shown. Those skilled in the art can make various changes, modifications, and additions, or change the order of steps, after understanding the spirit of this application.

[0111] The functional blocks shown in the above structural diagram can be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, they can be, for example, electronic circuits, application-specific integrated circuits (ASICs), appropriate firmware, plug-ins, function cards, etc. When implemented in software, the elements of this application are programs or code segments used to perform the required tasks. The programs or code segments can be stored on a machine-readable medium or transmitted over a transmission medium or communication link via data signals carried on a carrier wave. "Machine-readable medium" can include any medium capable of storing or transmitting information. Examples of machine-readable media include electronic circuits, semiconductor memory devices, ROM, flash memory, erasable ROM, floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio frequency links, etc. Code segments can be downloaded via computer networks such as the Internet, intranets, etc.

[0112] It should also be noted that the exemplary embodiments mentioned in this application describe methods or systems based on a series of steps or apparatus. However, this application is not limited to the order of the above steps; that is, the steps can be performed in the order mentioned in the embodiments, or in a different order, or several steps can be performed simultaneously.

[0113] The aspects of this disclosure have been described above with reference to flowchart illustrations and / or block diagrams of methods, apparatus, and computer program products according to embodiments of this disclosure. It should be understood that each block in the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing apparatus to produce a machine such that these instructions, executable via the processor of the computer or other programmable data processing apparatus, enable the implementation of the functions / actions specified in one or more blocks of the flowchart illustrations and / or block diagrams. Such a processor can be a general-purpose processor, a special-purpose processor, a special application processor, or a field-programmable logic circuit. It is also understood that each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, can also be implemented by special-purpose hardware performing the specified functions or actions, or can be implemented by a combination of special-purpose hardware and computer instructions.

[0114] The above are merely specific embodiments of this application. Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the systems, modules, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here. It should be understood that the protection scope of this application is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this application, and these modifications or substitutions should all be covered within the protection scope of this application.

Claims

1. A square box cell insulation printing method, characterized by, The method comprises the following steps: in response to a single printing completion instruction, controlling the printing head group to move along a first direction of the surface of the square box battery cell by a preset anti-overlapping interval distance, the first direction being perpendicular to a second direction on the surface of the square box battery cell, the second direction being a printing direction of the printing head group, the printing head group comprising a plurality of printing heads, and there being a joint seam between the printing areas of two adjacent printing heads; when the printing head group completes the movement along the first direction by the preset anti-overlapping interval distance, controlling the printing head group to perform spraying printing along the second direction of the surface of the square box battery cell, and generating the single printing completion instruction when the printing is completed; wherein the preset anti-overlapping interval distance is used to prevent the joint seams formed by the spraying printing of the printing head group from overlapping; the preset anti-overlapping interval distance is determined according to a limited movement length of the insulation printing equipment in the first direction, a printing length of the printing head in the first direction, and a preset printing number; the preset anti-overlapping interval distance is determined by the following steps: when the limited movement length is less than the printing length, the preset anti-overlapping interval distance is determined according to the quotient of the limited movement length and the preset printing number; when the limited movement length is greater than or equal to the printing length, the preset anti-overlapping interval distance is determined according to the quotient of the printing length and the preset printing number.

2. The method of claim 1, wherein The method further comprises the following steps: in response to a starting printing instruction, controlling the printing head group to move to an initial printing position on the surface of the square box battery cell; controlling the printing head group to start spraying printing from the initial printing position along the second direction of the surface of the square box battery cell, and generating the single printing completion instruction when the printing is completed.

3. The method of claim 1, wherein The step of controlling the printing head group to move along the first direction of the surface of the square box battery cell by the preset anti-overlapping interval distance comprises the following steps: determining the single movement pixel of the printing head group according to the preset anti-overlapping interval distance and the unit printing pixel of the printing head in the first direction; controlling the printing head group to move along the first direction by the single movement pixel.

4. A square box cell insulation printing apparatus characterized by comprising: The method comprises the following steps: a movement control module, configured to control the printing head group to move along a first direction of the surface of the square box battery cell by a preset anti-overlapping interval distance in response to a single printing completion instruction, the first direction being perpendicular to a second direction on the surface of the square box battery cell, the second direction being a printing direction of the printing head group, the printing head group comprising a plurality of printing heads, and there being a joint seam between the printing areas of two adjacent printing heads; a single printing control module, configured to control the printing head group to perform spraying printing along the second direction of the surface of the square box battery cell when the printing head group completes the movement along the first direction by the preset anti-overlapping interval distance, and to generate the single printing completion instruction when the printing is completed. The preset anti-overlapping interval distance is used for preventing overlapping between the plurality of joint seams formed by the plurality of groups of printing nozzles. The preset anti-overlapping interval distance is determined by the following steps: In a case where the limit moving length is less than the printing length, the preset anti-overlapping interval distance is determined according to a quotient of the limit moving length and the number of groups of nozzles. In a case where the limit moving length is greater than or equal to the printing length, the preset anti-overlapping interval distance is determined according to a quotient of the printing length and the number of groups of nozzles.

5. A method of insulating a square box battery cell, characterized by, The insulation printing device comprises a plurality of groups of printing nozzles, each group of printing nozzles comprising a plurality of nozzles, and a joint seam being present between printing areas of adjacent two nozzles. The method for insulating printing of the square box battery cell comprises the following steps: In response to a start printing instruction, a plurality of groups of printing nozzles are controlled to perform spraying printing along a second direction of a surface of a square box battery cell. In a first direction of the surface of the square box battery cell, a same position of adjacent two groups of printing nozzles is spaced by a preset anti-overlapping interval distance; the preset anti-overlapping interval distance is used for preventing overlapping between a plurality of joint seams formed by the plurality of groups of printing nozzles; and the preset anti-overlapping interval distance is determined according to a limit moving length of the insulation printing device in the first direction, a printing length of the nozzles in the first direction, and a number of groups of nozzles of the printing nozzles. The preset anti-overlapping interval distance is determined by the following steps: In a case where the limit moving length is less than the printing length, the preset anti-overlapping interval distance is determined according to a quotient of the limit moving length and the number of groups of nozzles. In a case where the limit moving length is greater than or equal to the printing length, the preset anti-overlapping interval distance is determined according to a quotient of the printing length and the number of groups of nozzles.

6. A square box cell insulation printing apparatus characterized by comprising: The insulation printing device comprises a plurality of groups of printing nozzles, each group of printing nozzles comprising a plurality of nozzles, and a joint seam being present between printing areas of adjacent two nozzles. The device for insulating printing of the square box battery cell comprises: A printing control module is configured to, in response to a start printing instruction, control a plurality of groups of printing nozzles to perform spraying printing along a second direction of a surface of a square box battery cell. In a first direction of the surface of the square box battery cell, a same position of adjacent two groups of printing nozzles is spaced by a preset anti-overlapping interval distance; the preset anti-overlapping interval distance is used for preventing overlapping between a plurality of joint seams formed by the plurality of groups of printing nozzles; and the preset anti-overlapping interval distance is determined according to a limit moving length of the insulation printing device in the first direction, a printing length of the nozzles in the first direction, and a number of groups of nozzles of the printing nozzles. The preset anti-overlapping interval distance is determined by the following steps: In a case where the limited moving length is less than the printing length, the preset anti-overlapping interval distance is determined according to a quotient of the limited moving length and the number of the nozzle groups; In a case where the limited moving length is greater than or equal to the printing length, the preset anti-overlapping interval distance is determined according to a quotient of the printing length and the number of the nozzle groups.

7. An electronic device, comprising: The electronic device comprises a processor and a memory storing computer program instructions; The processor, when executing the computer program, implements the square box battery cell insulation printing method in any one of claims 1 to 3 and 5.

8. A computer-readable storage medium, characterized in that, The computer readable storage medium stores computer executable instructions for causing a computer to execute the square box battery cell insulation printing method in any one of claims 1 to 3 and 5.

Citation Information

Patent Citations

  • Splicing channel elimination method and device for resident printing, equipment and storage medium

    CN114248542A

  • Scanning printing method and scanning type digital printing system

    CN114312023A