Battery coating apparatus and method, battery pack, electrical device

Abstract

A battery gluing device and method, a battery pack, and an electric device, the battery gluing device comprising a gluing machine, a driving element, a scanner, and a control element, wherein the scanner is configured to scan a first bonding surface to obtain first scanning data and scan a second bonding surface to obtain second scanning data; the control element is configured to calculate a first flatness of the first bonding surface according to the first scanning data, and calculate a second flatness of the second bonding surface according to the second scanning data; perform fitting calculation on the first flatness and the second flatness, and calculate a theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result, so that the driving element drives the gluing head to glue the first bonding surface and / or the second bonding surface according to the theoretical gluing amount to control the moving speed and / or the gluing speed of the gluing head. The application can realize dynamic change of the gluing speed and the gluing amount according to the first flatness and the second flatness, and realize dynamic gluing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of batteries, and more particularly to a battery gluing device and method, a battery pack, and a power consumption device. BACKGROUND

[0002] A battery includes a battery tray and a battery cell, and in general, gluing needs to be performed on the battery tray and the battery cell to achieve fixed connection between the battery tray and the battery cell.

[0003] In the related art, a driving guide rail is mechanically connected with a glue applicator, and manual gluing operation or semi-automatic gluing mode of setting a gluing route in advance can be performed through connection control of a driving guide rail controller and a glue applicator controller.

[0004] However, in the above gluing process, the glue output speed and the glue output amount cannot be dynamically changed according to the flatness of the battery tray and the flatness of the battery cell, and dynamic gluing cannot be achieved.

[0005] In view of the above technical problems, the present application provides a new battery gluing device and method, a battery pack, and a power consumption device to at least partially solve the above problems. SUMMARY

[0006] The present application is proposed to solve at least one of the above problems. According to an aspect of the present application, a battery gluing device is provided, which includes a glue applicator having a glue head, a driving element connected with the glue head for driving the glue head to glue a battery pack, the battery pack including a battery tray and a battery cell, the battery tray having a first bonding surface facing the battery cell, the battery cell having a second bonding surface facing the battery tray, the gluing including gluing the first bonding surface and / or the second bonding surface, a scanner for scanning the first bonding surface to obtain first scanning data and scanning the second bonding surface to obtain second scanning data, and a control element in communication connection with the driving element and the scanner, the control element being configured to calculate a first flatness of the first bonding surface according to the first scanning data and a second flatness of the second bonding surface according to the second scanning data, perform fitting calculation on the first flatness and the second flatness, and calculate a theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result, so that the driving element drives the glue head to glue the first bonding surface and / or the second bonding surface according to the theoretical gluing amount to control the movement speed and / or the glue output speed of the glue head.

[0007] In some embodiments of the present application, the scanner also obtains reference surface scanning data of the outer contour of the battery tray when scanning the first bonding surface; the control element is further configured to establish a reference surface of the outer contour of the battery tray according to the reference surface scanning data, and obtain the size of the reference surface; and calculate a theoretical glue coating compensation amount of the outer contour of the battery tray according to the size of the reference surface, so that the driving element drives the glue coating head to coat the first bonding surface and / or the second bonding surface according to the theoretical glue coating amount and the theoretical glue coating compensation amount to control the moving speed and / or glue output speed of the glue coating head.

[0008] In some embodiments of the present application, the fitting calculation of the first flatness and the second flatness is performed, and a theoretical glue coating amount of the first bonding surface and / or the second bonding surface is calculated according to the fitting calculation result, including: dividing the first bonding surface into regions, and performing fitting calculation on the flatness of each region and the flatness of the local second bonding surface corresponding to the region, respectively; wherein the flatness of each region is obtained according to the first flatness, and the flatness of the local second bonding surface corresponding to the region is obtained according to the second flatness; and the regional theoretical glue coating amount of each region and / or the second bonding surface corresponding to the region is calculated according to the fitting calculation result of each region, respectively, wherein the theoretical glue coating amount is equal to the sum of the regional theoretical glue coating amounts corresponding to all regions.

[0009] In some embodiments of the present application, the scanner is further configured to scan the first bonding surface and / or the second bonding surface after glue coating to obtain third scanning data; and the control element is further configured to calculate an actual glue coating amount according to the third scanning data, and issue a prompt information when the difference between the actual glue coating amount and the theoretical glue coating amount does not meet a preset range.

[0010] In some embodiments of the present application, the driving element includes a driving guide rail or a mechanical arm.

[0011] In some embodiments of the present application, the theoretical glue coating amount is also related to the parameters of the battery pack.

[0012] In some embodiments of the present application, the glue coating head is a glue mixing head, and the glue mixing head includes at least two connected glue heads, and is configured to mix at least two types of glue and output.

[0013] According to another aspect of the present application, a battery gluing method is provided for gluing a battery pack, the battery pack comprising a battery tray and a battery cell, the battery tray having a first bonding surface facing the battery cell, and the battery cell having a second bonding surface facing the battery tray, the battery gluing method comprising: obtaining first scanning data obtained by scanning the first bonding surface, and second scanning data obtained by scanning the second bonding surface; calculating a first flatness of the first bonding surface according to the first scanning data, and calculating a second flatness of the second bonding surface according to the second scanning data; performing fitting calculation on the first flatness and the second flatness, and calculating a theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result, so that a moving speed and / or a glue discharging speed of a glue head of a glue machine are controlled according to the theoretical gluing amount when the glue head is driven by a driving element to glue the first bonding surface and / or the second bonding surface.

[0014] In some embodiments of the present application, the battery gluing method further comprises: obtaining reference surface scanning data of an outline profile of the battery tray; establishing a reference surface of the outline profile of the battery tray according to the reference surface scanning data, and obtaining a size of the reference surface; calculating a theoretical gluing compensation amount of the outline profile of the battery tray according to the size of the reference surface, so that the moving speed and / or the glue discharging speed of the glue head are controlled according to the theoretical gluing amount and the theoretical gluing compensation amount when the glue head is driven by the driving element to glue the first bonding surface and / or the second bonding surface.

[0015] In some embodiments of the present application, the fitting calculation on the first flatness and the second flatness, and the calculation of the theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result, comprises: dividing the first bonding surface into regions, and performing fitting calculation on the flatness of each region and the flatness of a local second bonding surface corresponding to the region respectively; wherein the flatness of each region is obtained according to the first flatness, and the flatness of the local second bonding surface corresponding to the region is obtained according to the second flatness; and the regional theoretical gluing amount of each region and / or the second bonding surface corresponding to the region is calculated according to the fitting calculation result of each region respectively, wherein the theoretical gluing amount is equal to the sum of the regional theoretical gluing amounts of all regions.

[0016] In some embodiments of the present application, the battery gluing method further comprises: obtaining third scanning data of the first bonding surface and / or the second bonding surface after gluing; calculating an actual gluing amount according to the third scanning data, and issuing a warning information when a difference between the actual gluing amount and the theoretical gluing amount does not meet a preset range.

[0017] In some embodiments of the present application, the theoretical glue amount is further related to a parameter of the battery pack.

[0018] According to yet another aspect of the present application, a battery pack is provided, which comprises a battery tray and a battery cell, wherein the battery tray and the battery cell are bonded based on the battery gluing device according to any one of the above, or the battery tray and the battery cell are bonded based on the battery gluing method according to any one of the above.

[0019] According to yet another aspect of the present application, a battery pack is provided, which comprises a battery tray and a battery cell, wherein the battery tray and the battery cell are bonded based on the battery gluing device according to any one of the above, or the battery tray and the battery cell are bonded based on the battery gluing method according to any one of the above.

[0020] According to the battery gluing device and method, the battery pack, and the electric device according to the embodiments of the present application, the first bonding surface of the battery tray and the second bonding surface of the battery cell are scanned, and the first flatness of the first bonding surface and the second flatness of the second bonding surface are calculated according to the scanning data, and then the theoretical glue amount of the first bonding surface and / or the second bonding surface is calculated according to the fitting calculation result of the first flatness and the second flatness, so that the moving speed and / or the glue discharging speed of the glue head driven by the driving element can be controlled according to the theoretical glue amount when the glue head is driven by the driving element to glue the first bonding surface and / or the second bonding surface, that is, the dynamic change of the glue discharging speed and the glue discharging amount can be realized according to the first flatness and the second flatness, and the dynamic gluing is realized. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description thereof taken in conjunction with the accompanying drawings, in which like reference characters designate like elements in the several views. The accompanying drawings are intended to provide a further understanding of the embodiments of the present application, and are incorporated and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application. In the drawings, like reference numerals refer to the same or similar functionalities throughout the several views.

[0022] Figure 1 A composition diagram of a battery gluing device according to an embodiment of the present application is shown.

[0023] Figure 2 A structure diagram of a driving element according to an embodiment of the present application is shown.

[0024] Figure 3 A work flow diagram of a battery gluing device according to an embodiment of the present application is shown.

[0025] Figure 4 A work flow diagram of a battery gluing device according to another embodiment of the present application is shown.

[0026] Figure 5 A flow chart of a battery gluing method according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0027] In the following description, numerous specific details are set forth to provide a more thorough understanding of the present application. However, it will be apparent to one of skill in the art upon

[0028] It should be understood that the present application can be carried out in various forms without departing from the spirit or essential characteristics thereof. Rather, the present embodiments are provided by way of example only and should not be used to limit or restrict the scope of the application. In the drawings, dimensions and the relative dimensions of the various layers and regions can be exaggerated for clarity. Like reference numerals designate like elements throughout the figures.

[0029] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, integers, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, and / or groups thereof. As used herein the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0030] In the related art, the driving guide rail is mechanically connected with the glue applying machine, and the manual glue applying operation or the semi-automatic glue applying mode of setting the glue applying route in advance can be performed through the connection control of the driving guide rail controller and the glue applying machine controller.

[0031] However, the above glue applying process at least has the following disadvantages:

[0032] 1. The glue applying equipment cannot identify the flatness and profile difference of the battery tray surface or the cell surface which needs to be glued, and the default glue applying surface is a flat plane;

[0033] 2. The glue applying equipment has a fixed glue discharging speed in the glue applying process, which can only be set and modified before glue applying, and the glue applying process cannot be changed;

[0034] 3. The glue applying equipment cannot dynamically change during the glue applying process;

[0035] 4. The glue applying equipment cannot dynamically change the glue discharging speed and amount according to the flatness of the battery tray or the flatness of the cell.

[0036] That is, the above glue applying technology can only realize static glue applying, and has the disadvantages of being unable to change the glue discharging amount and glue applying parameters due to changes in the glue applying environment.

[0037] To solve at least one of the above technical problems, the application provides a battery gluing device, comprising: a glue applicator having a glue head; a driving element connected with the glue head, used to drive the glue head to glue a battery pack, the battery pack comprising a battery tray and a battery cell, the battery tray having a first bonding surface facing the battery cell, the battery cell having a second bonding surface facing the battery tray, the gluing comprising gluing the first bonding surface and / or the second bonding surface; a scanner used to scan the first bonding surface to obtain first scanning data and scan the second bonding surface to obtain second scanning data; a control element in communication connection with the driving element and the scanner; the control element is used to: calculate a first flatness of the first bonding surface according to the first scanning data and calculate a second flatness of the second bonding surface according to the second scanning data; perform fitting calculation on the first flatness and the second flatness, and calculate a theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result, so that the driving element drives the glue head to glue the first bonding surface and / or the second bonding surface according to the theoretical gluing amount to control the moving speed and / or the glue output speed of the glue head.

[0038] According to the battery gluing device of the application, the first bonding surface of the battery tray and the second bonding surface of the battery cell are scanned by the scanner, the control element can calculate the first flatness of the first bonding surface and the second flatness of the second bonding surface according to the scanning data, and further calculate the theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result of the first flatness and the second flatness, so that the driving element drives the glue head to glue the first bonding surface and / or the second bonding surface according to the theoretical gluing amount to control the moving speed and / or the glue output speed of the glue head, that is, the dynamic change of the glue output speed and the glue output amount can be realized according to the first flatness and the second flatness, and dynamic gluing is realized.

[0039] In order to thoroughly understand the application, detailed structures will be proposed in the following description in order to illustrate the technical solutions proposed by the application. The preferred embodiments of the application are described in detail as follows, however, in addition to these detailed descriptions, the application can have other implementation manners.

[0040] The following description will be made with reference to the accompanying drawings, which are provided for the purpose of illustration and description only and do not limit the application in any way. Figure 1 The battery gluing device 100 according to the embodiment of the application is described. As shown in FIG. 1, the battery gluing device 100 comprises a glue applicator 1000, a driving element 2000, a scanner 3000 and a control element 4000. Figure 1As shown, the battery gluing device 100 comprises a gluing machine having a gluing head 111, a driving element 120 connected with the gluing head 111 for driving the gluing head 111 to glue a battery pack, the battery pack comprising a battery tray and a battery cell, the battery tray having a first bonding surface facing the battery cell, the battery cell having a second bonding surface facing the battery tray, the gluing comprising gluing the first bonding surface and / or the second bonding surface; a scanner 130 for scanning the first bonding surface to obtain first scanning data and scanning the second bonding surface to obtain second scanning data; a control element in communication connection with the driving element 120 and the scanner 130; the control element is configured to: calculate a first flatness of the first bonding surface according to the first scanning data and calculate a second flatness of the second bonding surface according to the second scanning data; perform fitting calculation on the first flatness and the second flatness, and calculate a theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result, so that the driving element 120 drives the gluing head 111 to glue the first bonding surface and / or the second bonding surface according to the theoretical gluing amount to control the moving speed and / or the glue discharging speed of the gluing head 111.

[0041] Specifically, the battery tray can be first placed in a specified area range of the battery gluing device 100, and then the first bonding surface of the battery tray facing the battery cell is scanned by the scanner 130 to obtain the first scanning data; then the battery cell can be placed in the specified area range of the battery gluing device 100, and then the second bonding surface of the battery cell facing the battery tray is scanned by the scanner 130 to obtain the second scanning data; then the control element can calculate the first flatness of the first bonding surface according to the first scanning data obtained by the scanner 130, and calculate the second flatness of the second bonding surface according to the second scanning data obtained by the scanner 130; after the first flatness and the second flatness are calculated, the control element can further perform fitting calculation on the first flatness and the second flatness, and calculate the theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result, so that the driving element 120 drives the gluing head 111 to glue the first bonding surface and / or the second bonding surface according to the theoretical gluing amount to control the moving speed and / or the glue discharging speed of the gluing head 111, that is, the glue discharging speed and the glue discharging amount can be dynamically changed according to the first flatness and the second flatness in the gluing process, dynamic gluing is realized, and more reliable and reasonable bonding between the battery tray and the battery cell is realized.

[0042] Based on this, this application provides a battery coating device 100 capable of dynamic coating. According to the battery coating device 100 of this application, a scanner 130 scans the first bonding surface of the battery tray and the second bonding surface of the battery cell. A control element can calculate the first flatness of the first bonding surface and the second flatness of the second bonding surface based on the scan data, and further calculate the theoretical amount of adhesive applied to the first bonding surface and / or the second bonding surface based on the fitting calculation results of the first and second flatnesses. This allows the driving element 120 to control the moving speed and / or dispensing speed of the coating head 111 when applying adhesive to the first bonding surface and / or the second bonding surface based on the theoretical amount of adhesive applied. In other words, the dispensing speed and dispensing amount can be dynamically changed based on the first and second flatnesses, thus achieving dynamic coating.

[0043] Furthermore, by scanning the first and second bonding surfaces with the scanner 130, the flatness and contour differences of the surface of the glued battery tray or the surface of the battery cell can be identified. The glued surface is no longer assumed to be a flat plane, which can avoid the situation of the battery cell and the battery tray delaminating due to the flatness problem of the battery tray, and effectively control the consistency of the bonding.

[0044] During the coating process, the glue dispensing speed of the battery coating equipment 100 can be dynamically adjusted. The glue dispensing speed is no longer a fixed value. In addition to being set and modified before coating, the glue dispensing speed can also be changed during the coating process.

[0045] In summary, the battery coating equipment 100 of this embodiment can achieve dynamic coating, which can solve the shortcomings of static coating, such as the inability to change the amount of adhesive dispensed and coating parameters due to changes in the coating environment.

[0046] In some embodiments, the specific type of glue applicator is not limited; for example, the glue applicator may be a screw glue applicator or a pressure plate pump glue applicator.

[0047] Among them, such as Figure 1 As shown, the glue applicator includes a glue applicator body 110 and a glue applicator head 111. The glue applicator body 110 is used to store and transport glue. The glue applicator body 110 and the glue applicator head 111 can be connected by a glue tube to transport the glue stored in the glue applicator body 110 to the glue applicator head 111, and then the glue applicator head 111 performs the glue application operation.

[0048] For example, the applicator head 111 can be a mixing head, which includes at least two connected adhesive heads. The mixing head can be used to mix at least two types of adhesive and output the mixed adhesive.

[0049] For example, the mixed glue head includes two glue heads, which can be used to output A glue and B glue respectively. The mixed glue head can mix A glue and B glue and output a corresponding amount of glue per unit time according to the set parameters. The specific types of A glue and B glue can be selected according to actual conditions, and are not limited.

[0050] Of course, the present application also does not exclude the case that the glue head 111 is a single glue head that only outputs one type of glue, which is not limited.

[0051] In some embodiments, the specific type of driving element 120 is not limited, for example, the driving element 120 is selected as a driving guide rail or a mechanical arm, etc.

[0052] The movement speed of the glue head 111 can be controlled by the driving element 120, and the glue outlet diameter of the glue head 111 can also be controlled by the driving element 120, so as to control the glue output speed of the glue head 111.

[0053] In addition, the scanner 130 can also be installed on the driving element 120, and the scanner 130 can be driven by the driving element 120 to scan along the set track.

[0054] For example, the driving element 120 is selected as a driving guide rail, as shown in Figure 2 The driving guide rail can be realized as a linear driving guide rail 122 capable of realizing horizontal and vertical driving. The linear driving guide rail 122 is installed on the support 121, and the glue head 111 is installed on the linear driving guide rail 122. The linear driving guide rail 122 can drive the glue head 111 to move in the horizontal direction, and also can drive the glue head 111 to move in the vertical direction, so as to dynamically glue the first bonding surface and / or the second bonding surface. The scanner 130 can also be installed on the linear driving guide rail 122, and the linear driving guide rail 122 can drive the scanner 130 to scan along the set track.

[0055] When the driving element 120 is selected as the driving guide rail, the working process of the battery gluing equipment 100 can be as shown in Figure 3As shown: first, the battery tray is fixed on the working trolley, and then pushed to the designated area range of the battery gluing equipment 100; then, the linear drive guide rail 122 and the scanner are turned on, the linear drive guide rail 122 drives the scanner to run according to the set track, and the first bonding surface of the battery tray towards the battery cell is scanned to obtain the first scanning data; after the scanning is completed, the battery cell is fixed on the working trolley, and then pushed to the designated area range of the battery gluing equipment 100, the linear drive guide rail 122 drives the scanner to run according to the set track, and the second bonding surface of the battery cell towards the battery tray is scanned to obtain the second scanning data; after the scanning is completed, the control element calculates the theoretical gluing amount according to the scanning data, and the linear drive guide rail obtains the theoretical gluing amount, and then controls the moving speed and the glue discharging speed of the gluing head 111 according to the theoretical gluing amount, to realize dynamic gluing; after the gluing is completed, the scanner is scanned again to detect the actual gluing amount, and the positions with insufficient glue can be automatically supplemented according to the detection data.

[0056] Taking the driving element 120 selected as a mechanical arm as an example, the gluing head 111 is installed on the mechanical arm, and the gluing head 111 can be driven to move in the horizontal direction or the vertical direction by the mechanical arm to perform dynamic gluing on the first bonding surface and / or the second bonding surface; the scanner 130 can also be installed on the mechanical arm, and the mechanical arm can drive the scanner 130 to scan along the set track.

[0057] When the driving element 120 is selected as a mechanical arm, the working process of the battery gluing equipment 100 can be as shown: Figure 4 As shown: first, the battery tray is fixed on the working trolley, and then pushed to the designated area range of the battery gluing equipment 100; then, the linear drive guide rail 122 and the scanner are turned on, the linear drive guide rail 122 drives the scanner to run according to the set track, and the first bonding surface of the battery tray towards the battery cell is scanned to obtain the first scanning data; after the scanning is completed, the battery cell is fixed on the working trolley, and then pushed to the designated area range of the battery gluing equipment 100, the linear drive guide rail 122 drives the scanner to run according to the set track, and the second bonding surface of the battery cell towards the battery tray is scanned to obtain the second scanning data; after the scanning is completed, the control element calculates the theoretical gluing amount according to the scanning data, and the linear drive guide rail obtains the theoretical gluing amount, and then controls the moving speed and the glue discharging speed of the gluing head 111 according to the theoretical gluing amount, to realize dynamic gluing; after the gluing is completed, the scanner is scanned again to detect the actual gluing amount, and the positions with insufficient glue can be automatically supplemented according to the detection data.

[0058] In some embodiments, the specific scanning mode of the scanner 130 is not limited, for example, the scanner 130 can obtain scanning data by laser scanning, visual scanning, etc. The obtained scanning data can be point cloud data.

[0059] In some embodiments, the communication connection between the control element and the driving element 120, and between the control element and the scanner 130 can be wired or wireless, which is not limited herein.

[0060] In addition, the specific type of the control element is not limited herein, which can be a single controller or multiple controllers.

[0061] For example, as shown in Figure 1 The control element can include a scanner controller 141 for controlling the scanner 130, a driving element controller 142 for controlling the driving element 120, a glue applying machine controller 143 for controlling the glue applying machine, and a data analyzer for data analysis. The scanner controller 141 can be in communication connection with the data analyzer and the driving element controller 142, and the driving element controller 142 can also be in communication connection with the glue applying machine controller 143. The communication connection can be wired or wireless, which is not limited herein.

[0062] The scanner controller 141 can be used to control the scanner 130 to scan the first bonding surface to obtain first scanning data, and to scan the second bonding surface to obtain second scanning data, and to send the first scanning data and the second scanning data to the data analyzer. Of course, the scanner controller 141 can also control the scanner 130 to scan the outer contour of the battery tray to obtain reference surface scanning data, and to scan the first bonding surface and / or the second bonding surface after gluing to obtain third scanning data, etc.

[0063] The data analyzer can be used to calculate the first flatness of the first bonding surface according to the first scanning data, and to calculate the second flatness of the second bonding surface according to the second scanning data; and to perform fitting calculation on the first flatness and the second flatness, and to calculate the theoretical glue applying amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result, and to send the calculated theoretical glue applying amount to the driving element controller 142. Of course, the data analyzer can also be used to analyze and process the reference surface scanning data, the third scanning data, etc.

[0064] The driving element controller 142 can control the driving element 120 according to the theoretical glue applying amount, so that the driving element 120 drives the glue head 111 to apply glue to the first bonding surface and / or the second bonding surface according to the theoretical glue applying amount to control the moving speed and / or the glue discharging speed of the glue head 111.

[0065] The glue applying machine controller 143 can be used to set and control the glue applying parameters.

[0066] In some embodiments, the theoretical glue amount is also related to a parameter of the battery pack.

[0067] For example, the parameter of the battery pack can include the number of battery cells, and the more the number of battery cells, the greater the value of the theoretical glue amount. Of course, the theoretical glue amount can also be related to other types of battery parameters, such as the length of the battery cells, the flatness of the surface of the battery cells, etc., which are not limited.

[0068] In some embodiments, the first flatness and the second flatness are fitted and calculated, and the theoretical glue amount of the first bonding surface and / or the second bonding surface is calculated according to the fitting calculation result, including: dividing the first bonding surface into regions, and respectively fitting and calculating the flatness of each region and the flatness of the local second bonding surface corresponding to the region; wherein the flatness of each region is obtained according to the first flatness, and the flatness of the local second bonding surface corresponding to the region is obtained according to the second flatness; respectively calculating the regional theoretical glue amount of the region and / or the second bonding surface corresponding to the region according to the fitting calculation result of each region, wherein the theoretical glue amount is equal to the sum of the regional theoretical glue amounts corresponding to all regions.

[0069] Specifically, in the process of fitting and calculating the theoretical glue amount of the first bonding surface and / or the second bonding surface according to the first flatness and the second flatness, the battery tray can be divided into regions, and then the theoretical glue amount of each region is calculated to achieve dynamic glue application for each region of the battery tray, so as to achieve more accurate glue application control and further improve the reliability of the bonding between the battery tray and the battery cells.

[0070] Wherein, the battery tray can be divided into regions according to the number of battery cells, for example, the number of divided regions can be consistent with the number of battery cells, or the number of divided regions can be an integer multiple of the number of battery cells, or the number of battery cells can be an integer multiple of the number of divided regions. Of course, the battery tray can also be divided into regions according to other ways, which are not limited.

[0071] In some embodiments, the scanner 130 also obtains reference surface scanning data of the outer contour of the battery tray when scanning the first bonding surface; the control element is also used to: establish a reference surface of the outer contour of the battery tray according to the reference surface scanning data, and obtain the size of the reference surface; calculate a theoretical glue compensation amount of the outer contour of the battery tray according to the size of the reference surface, so that the driving element 120 drives the glue head 111 to control the moving speed and / or the glue output speed of the glue head 111 according to the theoretical glue amount and the theoretical glue compensation amount when the glue head 111 applies glue to the first bonding surface and / or the second bonding surface.

[0072] Specifically, the theoretical glue coating compensation amount of the battery tray contour profile is calculated by establishing a reference surface, so that in the process of coating the first bonding surface and / or the second bonding surface, the coating compensation can be made according to the actual coating environment, so as to change the coating amount according to the change of the coating environment.

[0073] In some embodiments, the scanner 130 is further configured to scan the first bonding surface and / or the second bonding surface after coating to obtain third scanning data; and the control element is further configured to calculate the actual coating amount according to the third scanning data, and send a prompt information when the difference between the actual coating amount and the theoretical coating amount does not meet the preset range.

[0074] Specifically, the first bonding surface and / or the second bonding surface after coating are scanned by the scanner 130, so that whether the coating is qualified can be judged according to the actual coating amount scanned. For example, when the difference between the actual coating amount and the theoretical coating amount meets the preset range, the subsequent process can be carried out; when the difference between the actual coating amount and the theoretical coating amount does not meet the preset range, it indicates that there is a problem with the battery coating equipment 100, and the battery coating equipment 100 can be adjusted and repaired, or the glue can be supplemented at the position where the glue is insufficient. The preset range can be set according to the actual situation, which is not limited.

[0075] In addition, it should be pointed out that when there is a theoretical coating compensation amount, whether the coating is qualified can be judged according to the difference between the sum of the theoretical coating compensation amount and the theoretical coating amount and the actual coating amount.

[0076] The following refers to Figure 5 A battery coating method according to an embodiment of the present application is described. The battery pack includes a battery tray and a battery cell, the battery tray has a first bonding surface facing the battery cell, the battery cell has a second bonding surface facing the battery tray, and the battery coating method for coating the battery pack can include the following steps:

[0077] In step S510, the first scanning data obtained by scanning the first bonding surface and the second scanning data obtained by scanning the second bonding surface are obtained;

[0078] In step S520, the first flatness of the first bonding surface is calculated according to the first scanning data, and the second flatness of the second bonding surface is calculated according to the second scanning data;

[0079] In step S530, the first flatness and the second flatness are fitted and calculated, and the theoretical coating amount of the first bonding surface and / or the second bonding surface is calculated according to the fitting calculation result, so that when the coating head of the coating machine driven by the driving element is used to coat the first bonding surface and / or the second bonding surface, the moving speed and / or the glue output speed of the coating head are controlled according to the theoretical coating amount.

[0080] Specifically, the battery tray can be placed in a specified area range first, and then the first bonding surface of the battery tray facing the battery cell is scanned to obtain first scanning data. Then, the battery cell can be placed in a specified area range, and then the second bonding surface of the battery cell facing the battery tray is scanned to obtain second scanning data. Then, the first flatness of the first bonding surface can be calculated according to the first scanning data, and the second flatness of the second bonding surface can be calculated according to the second scanning data. After the first flatness and the second flatness are calculated, the first flatness and the second flatness can be further fitted and calculated, and the theoretical glue coating amount of the first bonding surface and / or the second bonding surface can be calculated according to the fitting calculation result, so that when the glue coating head of the glue coating machine driven by the driving element is used to coat the first bonding surface and / or the second bonding surface, the moving speed and / or the glue output speed of the glue coating head can be controlled according to the theoretical glue coating amount, that is, the glue output speed and the glue output amount can be dynamically changed according to the first flatness and the second flatness during the glue coating process, dynamic glue coating is realized, and more reliable and reasonable bonding between the battery tray and the battery cell is achieved.

[0081] Based on this, the application provides a battery glue coating method 500 capable of realizing dynamic glue coating. According to the battery glue coating method 500 of the application, the first bonding surface of the battery tray and the second bonding surface of the battery cell are scanned, the first flatness of the first bonding surface and the second flatness of the second bonding surface are calculated according to the scanning data, and the theoretical glue coating amount of the first bonding surface and / or the second bonding surface is calculated according to the fitting calculation result of the first flatness and the second flatness, so that when the glue coating head of the glue coating machine driven by the driving element is used to coat the first bonding surface and / or the second bonding surface, the moving speed and / or the glue output speed of the glue coating head can be controlled according to the theoretical glue coating amount, that is, the glue output speed and the glue output amount can be dynamically changed according to the first flatness and the second flatness, and dynamic glue coating is realized.

[0082] Moreover, by scanning the first bonding surface and the second bonding surface, the flatness and profile difference of the surface of the battery tray or the surface of the battery cell after glue coating can be identified, and the glue coating surface is no longer assumed to be a flat surface. The situation that the battery cell and the battery tray are separated due to the flatness problem of the battery tray can be avoided, and the consistency of the bonding can be effectively controlled.

[0083] During the glue coating process, the battery glue coating method 500 can dynamically adjust the glue output speed, and the glue output speed is no longer a fixed value. The glue output speed can be changed during the glue coating process in addition to being set and modified before the glue coating.

[0084] In summary, the battery glue coating method 500 of the embodiment can realize dynamic glue coating, and can solve the shortcomings of static glue coating, such as the inability to change the glue output amount and glue coating parameters due to changes in the glue coating environment.

[0085] In some embodiments, the theoretical glue amount is also related to a parameter of the battery pack.

[0086] For example, the parameter of the battery pack can include the number of battery cells, and the more the number of battery cells, the greater the value of the theoretical glue amount. Of course, the theoretical glue amount can also be related to other types of battery parameters, such as the length of the battery cells, the flatness of the surface of the battery cells, etc., which are not limited.

[0087] In some embodiments, the first flatness and the second flatness are fitted and calculated, and the theoretical glue amount of the first bonding surface and / or the second bonding surface is calculated according to the fitting calculation result, including: dividing the first bonding surface into regions, and respectively fitting and calculating the flatness of each region and the flatness of the local second bonding surface corresponding to the region; wherein the flatness of each region is obtained according to the first flatness, and the flatness of the local second bonding surface corresponding to the region is obtained according to the second flatness; and respectively calculating the regional theoretical glue amount of the region and / or the second bonding surface corresponding to the region according to the fitting calculation result of each region, wherein the theoretical glue amount is equal to the sum of the regional theoretical glue amounts corresponding to all regions.

[0088] Specifically, in the process of fitting and calculating the theoretical glue amount of the first bonding surface and / or the second bonding surface according to the first flatness and the second flatness, the battery tray can be divided into regions, and then the theoretical glue amount of each region is calculated to realize dynamic glue coating for each region of the battery tray, so as to achieve more accurate glue coating control and further improve the reliability of the bonding between the battery tray and the battery cells.

[0089] Wherein, the battery tray can be divided into regions according to the number of battery cells, for example, the number of divided regions can be consistent with the number of battery cells, or the number of divided regions can be an integer multiple of the number of battery cells, or the number of battery cells can be an integer multiple of the number of divided regions. Of course, the battery tray can also be divided into regions according to other ways, which are not limited.

[0090] In some embodiments, the battery glue coating method 500 further includes: obtaining reference surface scanning data of the outer contour of the battery tray; establishing a reference surface of the outer contour of the battery tray according to the reference surface scanning data, and obtaining the size of the reference surface; calculating a theoretical glue coating compensation amount of the outer contour of the battery tray according to the size of the reference surface, so that the movement speed and / or glue output speed of the glue coating head are controlled according to the theoretical glue amount and the theoretical glue coating compensation amount when the driving element drives the glue coating head to coat the first bonding surface and / or the second bonding surface.

[0091] Specifically, the theoretical glue coating compensation amount of the battery tray contour profile is calculated by establishing a reference surface, so that in the process of coating the first bonding surface and / or the second bonding surface, the coating compensation can be made according to the actual coating environment, so as to change the coating amount according to the change of the coating environment.

[0092] In some embodiments, the battery coating method 500 further comprises: obtaining third scanning data of the coated first bonding surface and / or the second bonding surface; calculating the actual coating amount according to the third scanning data, and issuing a prompt information when the difference between the actual coating amount and the theoretical coating amount does not meet the preset range.

[0093] Specifically, by scanning the coated first bonding surface and / or the second bonding surface, it can be judged whether the coating is qualified according to the actual coating amount scanned. For example, when the difference between the actual coating amount and the theoretical coating amount meets the preset range, the subsequent process can be carried out; when the difference between the actual coating amount and the theoretical coating amount does not meet the preset range, it indicates that there is a problem with the battery coating equipment, which can be adjusted and repaired, or the positions with insufficient or less glue can be supplemented. The preset range can be set according to the actual situation, which is not limited.

[0094] In addition, it should be pointed out that when there is a theoretical coating compensation amount, the difference between the sum of the theoretical coating compensation amount and the theoretical coating amount and the actual coating amount can be used to judge whether the coating is qualified.

[0095] According to another aspect of the present application, a battery pack is also provided. The battery pack comprises a battery tray and a cell, wherein the battery tray and the cell are bonded based on a battery coating device, or the battery tray and the cell are bonded based on a battery coating method.

[0096] The battery coating device can be implemented as the battery coating device described above, and the battery coating method can be implemented as the battery coating method described above, and reference can be made to the description above, which will not be repeated here.

[0097] The number of cells in the battery pack can be one or more, which is not limited. When the number of cells is more, the plurality of cells can be connected in series or in parallel, or a part of the cells are connected in series and the other part of the cells are connected in parallel.

[0098] According to another aspect of the present application, a power utilization device is also provided. The power utilization device comprises a battery pack.

[0099] The battery pack can be implemented as the battery pack described above, and reference can be made to the description above, which will not be repeated here.

[0100] It should be noted that the power utilization device in the above can include a vehicle, a ship, an airplane, an energy storage device, etc., and is not limited.

[0101] Based on the above description, the battery gluing device and method, the battery pack, and the power utilization device according to the embodiments of the present application can scan the first bonding surface of the battery tray and the second bonding surface of the battery cell, calculate the first flatness of the first bonding surface and the second flatness of the second bonding surface according to the scanning data, and further calculate the theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result of the first flatness and the second flatness, so that the driving element can control the moving speed and / or the gluing speed of the gluing head when the gluing head drives the first bonding surface and / or the second bonding surface to be glued, that is, the gluing speed and the gluing amount can be dynamically changed according to the first flatness and the second flatness, and dynamic gluing can be realized.

[0102] Although example embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the example embodiments are only exemplary and are not intended to limit the scope of the present application thereto. Those of ordinary skill in the art can make various changes and modifications without departing from the scope and spirit of the present application. All such changes and modifications are intended to be included within the scope of the present application as claimed in the appended claims.

[0103] Similarly, it is to be appreciated that, for the sake of brevity, the specification can make frequent reference to a singular form of a word, for example, a singular version of "a", "an" and "the". However, it is to be understood that unless specifically stated otherwise, or as is apparent from the context of use, discussions herein utilizing singular versions of a word also cover the plural form of the word. Further, when reference is made to claim means or step plus function, such as "a means for" or "a step for", such a claim element is intended to cover the structure, means, or step that performs the function and such claimed element is content specific to the performance of the function, unless otherwise indicated.

[0104] Further, those of ordinary skill in the art will appreciate that the various embodiments described herein which include certain features may, but need not necessarily, include other features described herein. Thus, the combination of features of different embodiments is within the scope of the present application and forms different embodiments. For example, in the claims, any of the claimed embodiments can be used in any combination.

[0105] It should be noted that the foregoing examples have been provided merely for the purpose of explanation and are in no way to be construed as limiting of the present application. While the application has been described with reference to preferred embodiments and illustrations, the person of ordinary skill in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The use of the words "first", "second", and "third", etc. does not imply any order. These words are to be interpreted as names.

Claims

1. A battery gluing apparatus, characterized by, The battery gluing device comprises: a gluing machine having a gluing head; a driving element connected with the gluing head for driving the gluing head to glue a battery pack, the battery pack comprising a battery tray and a battery cell, the battery tray having a first bonding surface facing the battery cell, the battery cell having a second bonding surface facing the battery tray, the gluing comprising gluing the first bonding surface and / or the second bonding surface; a scanner for scanning the first bonding surface to obtain first scanning data and scanning the second bonding surface to obtain second scanning data; a control element in communication connection with the driving element and the scanner; the control element is configured to: calculate a first flatness of the first bonding surface according to the first scanning data and a second flatness of the second bonding surface according to the second scanning data; perform fitting calculation on the first flatness and the second flatness and calculate a theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result, so that the driving element drives the gluing head to glue the first bonding surface and / or the second bonding surface according to the theoretical gluing amount to control the moving speed and / or the glue discharging speed of the gluing head; the fitting calculation on the first flatness and the second flatness and the calculation of the theoretical gluing amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result comprises: dividing the first bonding surface into regions and performing fitting calculation on the flatness of each region and the flatness of the local second bonding surface corresponding to the region respectively; wherein the flatness of each region is obtained according to the first flatness and the flatness of the local second bonding surface corresponding to the region is obtained according to the second flatness; calculating a regional theoretical gluing amount of each region and / or the second bonding surface corresponding to the region according to the fitting calculation result of each region respectively, wherein the theoretical gluing amount is equal to the sum of the regional theoretical gluing amounts corresponding to all regions.

2. The battery gluing device of claim 1, wherein: the scanner obtains reference surface scanning data of the outer contour of the battery tray when scanning the first bonding surface; the control element is further configured to: establish a reference surface of the outer contour of the battery tray according to the reference surface scanning data and obtain the size of the reference surface; calculate a theoretical gluing compensation amount of the outer contour of the battery tray according to the size of the reference surface, so that the driving element drives the gluing head to glue the first bonding surface and / or the second bonding surface according to the theoretical gluing amount and the theoretical gluing compensation amount to control the moving speed and / or the glue discharging speed of the gluing head.

3. The battery coating apparatus of claim 1, wherein, the scanner is further configured to scan the first bonding surface and / or the second bonding surface after gluing to obtain third scanning data; the control element is further configured to calculate an actual gluing amount according to the third scanning data and send a prompt information when the difference between the actual gluing amount and the theoretical gluing amount does not meet a preset range.

4. The battery coating apparatus of claim 1, wherein, The driving element comprises a driving rail or a mechanical arm.

5. The battery coating apparatus of claim 1, wherein, The theoretical glue application amount is also related to parameters of the battery pack.

6. The battery coating apparatus of claim 1, wherein, The glue application head is a glue mixing head, which comprises at least two connected glue heads and is used to mix at least two types of glue and output.

7. A battery gluing method for gluing a battery pack, the battery pack including a battery tray and a battery cell, the battery tray having a first bonding surface toward the battery cell, the battery cell having a second bonding surface toward the battery tray, characterized by, The battery glue application method comprises: obtaining first scanning data obtained by scanning the first bonding surface and second scanning data obtained by scanning the second bonding surface; calculating a first flatness of the first bonding surface according to the first scanning data and a second flatness of the second bonding surface according to the second scanning data; performing fitting calculation on the first flatness and the second flatness, and calculating a theoretical glue application amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result, so that the movement speed and / or the glue output speed of the glue application head of the glue application machine driven by the driving element are controlled according to the theoretical glue application amount when the glue application head applies glue to the first bonding surface and / or the second bonding surface. The fitting calculation on the first flatness and the second flatness and the calculation of the theoretical glue application amount of the first bonding surface and / or the second bonding surface according to the fitting calculation result comprise: dividing the first bonding surface into regions, and performing fitting calculation on the flatness of each region and the flatness of the local second bonding surface corresponding to the region respectively; wherein the flatness of each region is obtained according to the first flatness, and the flatness of the local second bonding surface corresponding to the region is obtained according to the second flatness; calculating a regional theoretical glue application amount of each region and / or the second bonding surface corresponding to the region according to the fitting calculation result of each region respectively, wherein the theoretical glue application amount is equal to the sum of the regional theoretical glue application amounts corresponding to all regions.

8. The battery coating method of claim 7, wherein, The battery glue application method further comprises: obtaining reference surface scanning data of the outer contour of the battery tray; establishing a reference surface of the outer contour of the battery tray according to the reference surface scanning data, and obtaining the size of the reference surface; calculating a theoretical glue application compensation amount of the outer contour of the battery tray according to the size of the reference surface, so that the movement speed and / or the glue output speed of the glue application head of the glue application machine driven by the driving element are controlled according to the theoretical glue application amount and the theoretical glue application compensation amount when the glue application head applies glue to the first bonding surface and / or the second bonding surface.

9. The battery coating method of claim 7, wherein, The battery glue application method further comprises: obtaining third scanning data of the first bonding surface and / or the second bonding surface after glue application; calculating an actual glue application amount according to the third scanning data, and issuing a prompt information when the difference between the actual glue application amount and the theoretical glue application amount does not meet a preset range.

10. The battery coating method of claim 7, wherein, The theoretical glue application amount is also related to parameters of the battery pack.

11. A battery pack, characterized by The battery pack comprises a battery tray and a battery cell, wherein the battery tray and the battery cell are bonded based on the battery glue application equipment according to any one of claims 1-7, or the battery tray and the battery cell are bonded based on the battery glue application method according to any one of claims 7-10.

12. An electrical device, characterized by The electrical equipment comprises the battery pack according to claim 11.

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