Battery module side plate gluing control method and system and computer readable storage medium

Abstract

The application provides a battery module side plate gluing control method, a system and a computer readable storage medium. The battery module side plate gluing control method obtains preset width size information of an electric core, detects actual width size information of the electric core, calculates a difference value between the actual width size information and the preset width size information, obtains difference size information, compares the difference size with a preset difference value threshold, obtains comparison result information, and sends gluing amount information corresponding to the comparison result information to a gluing device according to the comparison result information. The battery module side plate gluing control method compares the actual width of the electric core with the preset electric core width size and calculates a difference value, obtains a compensation amount of gluing according to the difference value information, and thus can timely adjust the gluing amount according to different width sizes, and ensure the bonding strength between the electric core and the side plate.

Description

Technical Field

[0001] This invention relates to the field of battery module adhesive coating technology, and particularly to a method for controlling adhesive coating on the side panels of a battery module. Furthermore, this invention also relates to a system employing this method for controlling adhesive coating on the side panels of a battery module, and a computer-readable storage medium for running this method. Background Technology

[0002] In battery modules, the cells are primarily secured to the side panels using adhesive. The adhesive strength of the cells is directly proportional to the area covered by the adhesive. Therefore, to achieve the required structural strength, the adhesive area must be adequate.

[0003] Existing adhesive application methods have the following drawbacks: poor compatibility with different battery cells during battery module stacking; and the inability to fully guarantee the bonding area after the adhesive is spread out under pressure, making it difficult to meet the process standards for the adhesive-coated area of ​​the battery module. Furthermore, during pressure compression, the adhesive can easily overflow into the welding area of ​​the end-side plates, leading to weld spalling and creating safety hazards. Summary of the Invention

[0004] In view of this, the present invention aims to propose a method for controlling the adhesive application on the side panel of a battery module, so as to improve the reliability of the bonding between the battery module and the side panel.

[0005] To achieve the above objectives, the technical solution of the present invention is implemented as follows:

[0006] A method for controlling adhesive application on the side panel of a battery module, wherein the preset width dimension information of the battery cell is obtained;

[0007] Detect the actual width dimension information of the battery cell;

[0008] Calculate the difference between the actual width dimension information and the preset width dimension information to obtain the difference dimension information;

[0009] The difference size is compared with a preset difference threshold to obtain comparison result information;

[0010] Based on the comparison result information, the glue application amount information corresponding to the comparison result information is sent to the glue application device.

[0011] Furthermore, when the difference size is within a preset difference threshold range, a preset glue application amount information corresponding to the difference threshold range is sent to the glue application device;

[0012] When the difference size is not within the preset difference threshold range, the glue application compensation amount is calculated based on the difference size, the theoretical glue application amount is obtained based on the preset glue application amount and the glue application compensation amount, and the theoretical glue application amount information is sent to the glue application device.

[0013] Furthermore, the preset difference threshold size is 0-0.5mm.

[0014] Furthermore, after the glue-applying device applies glue according to the theoretical glue application amount information, it detects whether there is glue on the side panel;

[0015] An alarm message is sent when there is no adhesive on the side panel.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] The battery module side panel adhesive coating control method of the present invention compares the actual width of the battery cell with the preset battery cell width and calculates the difference. The difference information is used to obtain the adhesive coating compensation amount, so as to adjust the adhesive coating amount in a timely manner according to different width dimensions and ensure the bonding strength between the battery cell and the side panel.

[0018] Another object of the present invention is to provide a battery module side panel adhesive coating control system, comprising:

[0019] A control unit, and an acquisition unit, a first detection unit, a calculation unit, and a calculation unit respectively connected to the control unit;

[0020] The acquisition unit is used to acquire the preset width dimension information of the battery cell;

[0021] The first detection unit is used to detect the actual width dimension information of the battery cell;

[0022] The calculation unit is used to calculate the difference between the actual width dimension information and the preset width dimension information to obtain the difference dimension information;

[0023] The calculation unit is used to compare the difference size with a preset difference threshold to obtain comparison result information;

[0024] The control unit is used to send theoretical glue application amount information corresponding to the comparison result information to the glue application device based on the comparison result information.

[0025] Furthermore, the acquisition unit includes a barcode scanner connected to the control unit.

[0026] Furthermore, the control system also includes a second detection unit connected to the control unit. The second detection unit is used to detect whether there is glue on the side plate after the glue applicator applies glue according to the theoretical glue application amount information.

[0027] Furthermore, the first detection unit includes a 3D line scanning device connected to the control unit, and / or,

[0028] The second detection unit includes a camera connected to the control unit.

[0029] Furthermore, it also includes a display unit connected to the control unit, the display unit being used to display the preset width dimension information and the actual width dimension information of the battery cell.

[0030] The battery module side panel adhesive coating control system described in this invention has the same beneficial effects as the aforementioned battery module side panel adhesive coating control method compared to the prior art, and will not be repeated here.

[0031] Another object of the present invention is to provide a computer-readable storage medium storing a program or instructions that, when executed on a computer, perform the battery module side panel adhesive application control method as described above.

[0032] The computer storage medium of the present invention has the same beneficial effects as the aforementioned battery module side panel adhesive coating control method compared to the prior art, and will not be repeated here. Attached Figure Description

[0033] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0034] Figure 1 This is a flowchart illustrating the battery module side panel adhesive coating control method according to an embodiment of the present invention;

[0035] Figure 2 This is a flowchart illustrating the battery module side panel adhesive coating control system according to an embodiment of the present invention.

[0036] Figure 3 This is a partial structural diagram of the battery module side panel adhesive coating control system according to an embodiment of the present invention.

[0037] Explanation of reference numerals in the attached figures:

[0038] 1. Acquisition unit; 2. First detection unit; 3. Second detection unit; 4. Control unit; 5. Calculation unit; 6. Display unit; 7. First support frame; 8. Second support frame; 9. Production line; 10. Glue application device. Detailed Implementation

[0039] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0040] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," and "back," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and for 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. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0041] Furthermore, in the description of this invention, unless otherwise explicitly defined, the terms "installation," "connection," "linking," and "connector" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention in light of the specific circumstances.

[0042] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0043] This embodiment relates to a method for controlling the adhesive application on the side panel of a battery module, such as... Figure 1 As shown, it compares the actual width of the battery cell with the preset battery cell width and calculates the difference. The difference information is used to obtain the amount of adhesive to compensate for the amount of adhesive applied. This allows the amount of adhesive to be adjusted in a timely manner according to different width dimensions, ensuring the bonding strength between the battery cell and the side plate.

[0044] Based on the above design concept, an exemplary structure of the battery module side panel adhesive coating control method in this embodiment is as follows: Figure 1 As shown, it mainly includes the following steps:

[0045] S1. Obtain the preset width dimension information of the battery cell.

[0046] It should be noted that the width of the battery module can be preset in the controller, and the amount of adhesive applied can be preset accordingly.

[0047] S2. Detect the actual width and dimensions of the battery cell.

[0048] It should be noted that the actual width of the battery cell can be measured using general dimensional scanning equipment.

[0049] S3. Calculate the difference between the actual width dimension information and the preset width dimension information to obtain the difference dimension information.

[0050] S4. Compare the difference size with the preset difference threshold to obtain the comparison result information.

[0051] S5. Based on the comparison results, send the amount of adhesive applied to the adhesive application device 10, which corresponds to the comparison information.

[0052] Specifically, when the difference size is within the preset difference threshold range, the preset glue application amount information corresponding to the difference threshold range is sent to the glue application device 10; when the difference size is not within the preset difference threshold range, the glue application compensation amount is calculated based on the difference size, the theoretical glue application amount is obtained based on the preset glue application amount and the glue application compensation amount, and the theoretical glue application amount information is sent to the glue application device 10.

[0053] It is worth noting that the preset difference threshold size is 0-0.5mm. When the difference between the actual width size of the battery cell and the preset width size is any value between 0-0.5mm, the controller will use the glue application amount information corresponding to the preset width size information as the theoretical glue application amount information and send the glue application information to the glue application device 10. When the difference between the actual width size of the battery cell and the preset width size is not between 0-0.5mm, the controller will recalculate the glue application compensation amount based on the difference size calculated between the actual width size and the preset width size, obtain the theoretical glue application amount, and send the glue application information to the glue application device 10 to perform glue application.

[0054] Furthermore, it should be noted that each battery cell has a corresponding amount of adhesive to ensure that the side plate can bond to each battery cell, thus ensuring the reliability of the bonding between the side plate and the entire battery module. As a preferred embodiment, in this example, after the adhesive application device 10 applies adhesive according to the aforementioned theoretical adhesive amount information, it detects whether there is adhesive on the side plate. When there is no adhesive on the side plate, an alarm message is sent to promptly provide an anomaly warning to the staff. The staff then corrects the anomaly, ensuring the smooth progress of subsequent processes.

[0055] This embodiment also relates to a battery module side panel adhesive coating control system, such as... Figure 2 and Figure 3 As shown, in terms of overall structure, it includes a control unit 4, and an acquisition unit 1, a first detection unit 2, a calculation unit 5, and a calculation unit 6, which are respectively connected to the control unit 4.

[0056] The acquisition unit 1 is used to acquire the preset width dimension information of the battery cell. The first detection unit 2 is used to detect the actual width dimension information of the battery cell. The calculation unit 5 is used to calculate the difference between the actual width dimension information and the preset width dimension information to obtain the difference dimension information. The calculation unit 5 is used to compare the difference dimension with a preset difference threshold to obtain comparison result information. The control unit 4 is used to send the glue application amount information corresponding to the comparison result information to the glue application device 10 based on the comparison result information.

[0057] In a preferred embodiment, the acquisition unit 1 for obtaining the preset width dimension information of the battery cells includes a barcode scanner connected to the control unit 4. When the battery cells placed on the production line 9 are arranged into a battery module, the barcode scanner can scan the pre-set labels on each battery cell and obtain the dimension information of the battery cell recorded on the labels. The labels on the battery cells can be QR codes, barcodes, etc., and are not specifically limited here.

[0058] In addition, in this embodiment, in order to avoid impurities on the battery cell affecting the width detection of the battery cell and the subsequent adhesive bonding process, the side of the battery cell is plasma cleaned by an external cleaning device before the width of the battery cell is detected. This increases the adsorption capacity of the side of the battery cell, thereby improving the bonding strength with the side plate in the subsequent process.

[0059] Furthermore, as a preferred embodiment, the first detection unit 2 described above includes a 3D line scanning device connected to the control unit 4, and refers to... Figure 3 As shown, two 3D line scanning devices are respectively positioned on both sides of the width of the battery module on the first support frame 7, for detecting the width of the battery module. As the battery module moves, the two 3D line scanning devices can continuously detect the width of each cell and transmit the actual measured width of the cell to the control unit 4.

[0060] Furthermore, as a preferred embodiment, the battery module side panel adhesive coating control system also includes a display unit 6 connected to the control unit 4. The display unit 6 displays the preset and actual width dimensions of the battery cell, as well as the preset adhesive application amount and the theoretical adhesive application amount. This configuration allows staff to receive timely feedback and monitor various aspects of the adhesive coating process.

[0061] The calculation unit 5 compares the preset width dimension information with the actual width information. When the difference between the two is not greater than 0.5mm, the calculation unit 5 transmits the comparison information to the control unit 4. The control unit 4 transmits the preset glue application amount information to the glue application device 10 and controls the glue application device 10 to apply glue to the side plate of the battery module.

[0062] When the difference between the two values ​​is greater than 0.5 mm, the calculation unit 5 transmits the comparison information to the control unit 4. The control unit 4 then transmits the glue application compensation amount information, recalculated according to the formula based on the difference information, to the glue application device 10. This information is then integrated with the preset glue application amount to obtain the theoretical glue application amount information, and the control unit 4 controls the glue application device 10 to apply glue to the battery side panel. The glue application device 10 in this embodiment can refer to existing glue application machines or similar structures, and will not be described in detail here.

[0063] To further improve the reliability of the entire system, in this embodiment, as a preferred implementation, the control system further includes a second detection unit 3 connected to the control unit 4. The second detection unit 3 is used to detect whether there is adhesive on the side panel after the adhesive application device 10 and the theoretical adhesive application amount information have been applied. Preferably, the second detection unit 3 includes a camera connected to the control unit 4. The camera is used to detect whether there are adhesive application traces corresponding to each battery cell on the side panel. When no adhesive application trace is detected, the second detection unit 3 sends a signal to the control system, which then issues an alarm to alert the staff of the abnormal situation.

[0064] After the side panel is coated with adhesive, the side panel, which is horizontally placed on the second support frame 8 and located below the adhesive coating device 10, is vertically pasted to the side of the battery module using an external robotic arm or other means. Then, the side panel is welded to the end plates at the front and rear ends of the battery module using external welding equipment. Next, the side panel is heated and pressurized by an external module heating and pressurizing device.

[0065] It should be noted that the bonding strength between the side plate and the battery cell is related to the bonding surface area between them. To ensure the bonding strength between them, the bonding surface area between them needs to be 90%-100%. In this embodiment, heating can accelerate the curing of the colloid, and applying pressure can ensure that the bonding area between the side plate and the battery cell is sufficient and not less than 90%, thereby ensuring the bonding strength between the side plate and the side of the battery cell.

[0066] In addition, this embodiment also relates to a computer-readable storage medium storing a program or instructions that, when run on a computer, execute the above-described battery module test board adhesive application control method.

[0067] At this point, a general example of a computer-readable storage medium is a memory. Additionally, computer-readable media include both permanent and non-permanent, removable and non-removable media, and information storage can be achieved by any method or technology.

[0068] Information can be computer-readable instructions, data structures, program modules, or other data. Examples of computer-readable storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, magnetic magnetic disk storage or other magnetic storage devices, or any other non-transfer medium that can be used to store information that can be accessed by a computing device.

[0069] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method for controlling adhesive application on the side panel of a battery module, characterized in that: Obtain the preset width dimension information of the battery cell; Detect the actual width dimension information of the battery cell; Calculate the difference between the actual width dimension information and the preset width dimension information to obtain the difference dimension information; The difference size is compared with a preset difference threshold to obtain comparison result information; Based on the comparison result information, the glue application amount information corresponding to the comparison result information is sent to the glue application device (10); When the difference size is within the preset difference threshold range, the glue application amount information corresponding to the difference threshold range is sent to the glue application device (10); When the difference size is not within the preset difference threshold range, the glue compensation amount is calculated based on the difference size, the theoretical glue amount is obtained based on the preset glue amount and the glue compensation amount, and the theoretical glue amount information is sent to the glue application device (10); the preset difference threshold size is 0-0.5mm.

2. The method for controlling adhesive application on the side panel of a battery module according to claim 1, characterized in that: After the glue-applying device (10) applies glue according to the theoretical glue application amount information, it detects whether there is glue on the side plate; An alarm message is sent when there is no adhesive on the side panel.

3. A battery module side panel adhesive application control system, characterized in that, include: Control unit (4), and acquisition unit (1), first detection unit (2) and calculation unit (5) respectively connected to the control unit (4); The acquisition unit (1) is used to acquire the preset width dimension information of the battery cell; The first detection unit (2) is used to detect the actual width dimension information of the battery cell; The calculation unit (5) is used to calculate the difference between the actual width size information and the preset width size information to obtain the difference size information; The calculation unit (5) is used to compare the difference size with a preset difference threshold to obtain comparison result information; The control unit (4) is used to send glue application amount information corresponding to the comparison result information to the glue application device (10) based on the comparison result information; When the difference size is within the preset difference threshold range, the preset glue application amount information corresponding to the difference threshold range is sent to the glue application device (10); when the difference size is not within the preset difference threshold range, the glue application compensation amount is calculated based on the difference size, the theoretical glue application amount is obtained based on the preset glue application amount and the glue application compensation amount, and the theoretical glue application amount information is sent to the glue application device (10); the preset difference threshold size is 0-0.5mm.

4. The battery module side panel adhesive coating control system according to claim 3, characterized in that: The acquisition unit (1) includes a barcode scanner connected to the control unit (4).

5. The battery module side panel adhesive coating control system according to claim 4, characterized in that: The control system further includes a second detection unit (3) connected to the control unit (4). The second detection unit (3) is used to detect whether there is glue on the side plate after the glue applicator (10) applies glue according to the theoretical glue application amount information.

6. The battery module side panel adhesive coating control system according to claim 5, characterized in that: The first detection unit (2) includes a 3D line scanning device connected to the control unit (4), and / or, The second detection unit (3) includes a camera connected to the control unit (4).

7. The battery module side panel adhesive coating control system according to any one of claims 3-6, characterized in that: It also includes a display unit (6) connected to the control unit (4), the display unit (6) being used to display the preset width dimension information and the actual width dimension information of the battery cell, as well as the preset glue application amount information and the theoretical glue application amount information.

8. A computer-readable storage medium, characterized in that, The storage medium stores a program or instructions, which, when run on a computer, execute the battery module side panel adhesive application control method according to claim 1.

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