Battery cell sealing detection device

Abstract

The embodiment of the utility model provides a battery cell sealing detection device. The battery cell sealing detection device comprises a rack, a plane detector, a three-dimensional detector and a positioning assembly, wherein the rack comprises a supporting part and a conveying part, and the conveying part is fixedly connected to the supporting part and extends in the second direction; the positioning assembly is fixedly connected to the supporting part, and the positioning assembly is used for positioning and fixing a to-be-detected battery cell; the plane detector and the three-dimensional detector are arranged at intervals in the second direction, the plane detector is movably connected to the conveying part, and the three-dimensional detector is movably connected to the conveying part and can rotate relative to the positioning assembly. According to the battery cell sealing detection device provided by the invention, the detection process is simple, the battery cell detection efficiency is improved, and the space occupied by the battery cell sealing detection device is saved.

Description

Technical Field

[0001] The present application belongs to the technical field of battery cell production, and specifically relates to a battery cell sealing detection device. Background Art

[0002] As new energy and other related industries continue to expand, battery cells are widely used in various technological fields, with their use increasing rapidly and user demand continuously rising. In battery cell production, after the battery core is encapsulated in the battery casing, the final sealing of the casing is performed at the sealing pin welding station to achieve the sealing of the battery cell. Therefore, quality control of the sealing pin welding seam is an essential process to ensure battery cell quality.

[0003] In related art, when using a cell testing device to perform a seal test on a cell, the cell is first placed on a first conveyor belt, then transferred by a transfer mechanism to another conveyor belt to align with the position of the cell testing device, where the cell is then tested for seal. This testing device structure complicates the cell seal test process, hindering test efficiency. Utility Model Content

[0004] The present application aims to provide a battery cell sealing detection device to solve the problem in the prior art that the battery cell sealing detection process is relatively complicated and is not conducive to improving the detection efficiency.

[0005] In order to solve the above technical problems, this application is implemented as follows:

[0006] The present application discloses a battery core sealing detection device, which includes: a frame, a plane detector, a three-dimensional detector and a positioning component; wherein,

[0007] The frame includes a supporting portion and a conveying portion, wherein the conveying portion is fixedly connected to the supporting portion and extends along the second direction;

[0008] The positioning assembly is fixedly connected to the support portion, and the positioning assembly is used to position and fix the battery cell to be inspected;

[0009] The plane detector and the stereo detector are spaced apart along the second direction. The plane detector is movably connected to the conveying part. The stereo detector is movably connected to the conveying part and can rotate relative to the positioning assembly.

[0010] Optionally, at least two jigs are provided on the positioning assembly, and one jig is used to position and fix one of the battery cells to be inspected;

[0011] There are at least two plane detectors, and one plane detector corresponds to one jig. The plane detector is used to perform plane detection on the corresponding battery cell to be inspected.

[0012] Optionally, the battery core sealing detection device further comprises: a moving component, the moving component is movably connected to the conveying part, and the plane detector and the three-dimensional detector are both connected to the moving component;

[0013] The moving component is used to drive the plane detector and the three-dimensional detector to move on the conveying part.

[0014] Optionally, the mobile assembly includes a first mobile module, a second mobile module and a third mobile module;

[0015] The three-dimensional detector is connected to the first movable module, and the plane detector is connected to the second movable module;

[0016] The first movable module is slidably connected to the second movable module along a first direction, and the first movable module is used to drive the stereo detector to move in the first direction;

[0017] The second movable module is slidably connected to the third movable module along the second direction, and the second movable module is used to drive the first movable module and the stereo detector to move in the second direction;

[0018] The third movable module is slidably connected to the support portion along a third direction, and is used to drive the first movable module, the second movable module and the stereo detector to move in the third direction;

[0019] The first direction, the second direction and the third direction are perpendicular to each other.

[0020] Optionally, a rotating assembly is further provided on the first movable module, and the rotating assembly is movably connected to the stereo detector, and the rotating assembly is used to drive the stereo detector to rotate.

[0021] Optionally, the rotating assembly includes: a driving member and a mounting member, the driving member is connected to the first movable module, the mounting member is rotatably connected to a side of the driving member close to the stereo detector along the first direction, and the stereo detector is movably connected to the mounting member;

[0022] The driving member is used to drive the mounting member to rotate, thereby driving the stereo detector to rotate.

[0023] Optionally, the first moving module, the second moving module and the third moving module are at least one of a synchronous belt module and a screw adjustment module.

[0024] Optionally, the stereo detector is any one of a profilometer, a laser scanner and an optical scanner.

[0025] Optionally, the battery cell sealing detection device is further provided with an output module, which is electrically connected to the three-dimensional detector and the plane detector, and is used to output the detection results of the three-dimensional detector and the plane detector on the battery cell to be inspected.

[0026] Optionally, the plane detector is a plane detection camera.

[0027] In an embodiment of the present application, a battery cell sealing detection device is provided. During use, the device performs a double scan on the weld of the battery cell to be inspected through a planar sealing detection component and a three-dimensional sealing detection component, and based on the scanning results of the battery cell to be inspected, the battery cells are moved to corresponding processes respectively. The battery cell sealing detection device provided by the present application first fixes the battery cell to be inspected at the inspection station with a positioning component, and then the planar detector and the three-dimensional detector can be sequentially transferred to the inspection station to perform planar and three-dimensional inspections on the battery cell. The inspection process is simple, which improves the efficiency of battery cell inspection; and the positioning component, the planar detector, and the three-dimensional detector are compactly arranged, which saves the space occupied by the battery cell sealing detection device.

[0028] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0030] Figure 1 is a schematic diagram of the battery cell sealing detection device described in this application;

[0031] Figure 2 This is a disassembled diagram of the battery cell sealing detection device described in this application.

[0032] Figure numerals: 1. Frame; 11. Support part; 12. Conveying part; 2. Plane detector; 3. Stereo detector; 4. Positioning assembly; 5. Battery cell to be inspected; 6. Moving assembly; 61. First moving module; 62. Second moving module; 63. Third moving module; 64. Rotating assembly; 641. Driving part; 642. Mounting part. DETAILED DESCRIPTION

[0033] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention and are not to be construed as limiting the present invention. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0034] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly refer to one or more of these features. In the description of this utility model, unless otherwise specified, "plurality" means two or more. Furthermore, "and / or" in the specification and claims refers to at least one of the connected items, and the character " / " generally indicates an "or" relationship between the connected items.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0036] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0037] An embodiment of the present application provides a battery cell sealing detection device, and the embodiment of the present application does not limit the specific type of the battery cell.

[0038] Reference Figure 1 、 Figure 2, shows a schematic diagram of a battery cell sealing detection device described in the present application, which includes at least: a frame 1, a plane detector 2, a three-dimensional detector 3 and a positioning component 4; wherein, the frame 1 also includes a support part 11 and a transmission part 12, the transmission part 12 is fixedly connected to the support part 11 and extends along the second direction; the positioning component 4 is fixedly connected to the support part 11, and the positioning component 4 is used to position and fix the battery cell 5 to be inspected; the plane detector 2 is fixedly set on the positioning component 4, and the plane detector 2 is used to perform plane detection of the weld seam of the battery cell 5 to be inspected; the three-dimensional detector 3 is movably connected to the support part 11 and can move relative to the positioning component 4, and the three-dimensional detector 3 is used to perform three-dimensional detection of the weld seam of the battery cell 5 to be inspected.

[0039] In an embodiment of the present application, a battery cell sealing detection device is provided. During use, a plane detector 2 and a three-dimensional detector 3 are used to perform a double scan on the weld of the battery cell 5 to be inspected, and based on the scanning results of the battery cell 5 to be inspected, the battery cells are moved to corresponding processes respectively. The battery cell sealing detection device provided in the present application performs a sealing detection on the weld of the battery cell by a plane detector 2 and a three-dimensional detector 3, avoiding the problem that in the existing battery cell production process, the weld of the battery cell sealing pin is only visually inspected manually, which is prone to fatigue leading to poor outflow, and it is difficult to detect minor defects, which brings risks to the production and use of the battery cell.

[0040] In a specific application process, the battery cell 5 to be inspected can be transferred to the positioning component 4 through an external transfer device, and then the weld of the battery cell 5 to be inspected can be inspected by the battery cell sealing detection device provided in this application, and the weld can be scanned in plane by the plane detector 2, and in three-dimensionally by the stereo detector 3. When the inspection results of the battery cell 5 to be inspected by the plane detector 2 and the stereo detector 3 are both passed, that is, the weld of the battery cell is confirmed to have no gap after the plane inspection and the stereo inspection, the battery cell can be transferred to the next process through the external transfer device; if at least one of the inspection results of the battery cell 5 to be inspected by the plane detector 2 and the stereo detector 3 is not passed, that is, there is a gap in the weld of the battery cell, the battery cell can be transferred to the defective product area for processing through the external transfer device.

[0041] Optionally, the positioning assembly 4 described in the present application is provided with at least two jigs, one jig is used to position and fix a battery cell 5 to be inspected; there are at least two plane detectors 2, and one plane detector 2 corresponds to one jig, and the plane detector 2 is used to perform plane detection on the corresponding battery cell 5 to be inspected.

[0042] In an embodiment of the present application, at least two jigs are provided on the positioning component 4 to simultaneously fix at least two battery cells 5 to be inspected, and at least two plane detectors 2 can simultaneously perform plane scanning on multiple battery cells 5 to be inspected to further improve the inspection efficiency of the battery cells.

[0043] Optionally, the battery cell sealing detection device described in the present application may also include: a moving component 6, the moving component 6 is movably connected to the conveying part 12, and the plane detector 2 and the three-dimensional detector 3 are both connected to the moving component 6; in actual application, the moving component 6 can be used to drive the plane detector 2 and the three-dimensional detector 3 to move on the conveying part 12, so as to perform three-dimensional detection on the battery cell 5 to be inspected through the plane detector 2 and the three-dimensional detector 3.

[0044] In an embodiment of the present application, since the three-dimensional scanning of the battery cell welds requires the three-dimensional detector 3 to move around the battery cell to the side of the weld package for three-dimensional scanning, a moving component 6 is provided on the support portion 11, and the moving component 6 is used to drive the plane detector 2 and the three-dimensional detector 3 to move, so as to perform a three-dimensional scan of the welds of the battery cell 5 to be inspected.

[0045] Optionally, the movable component 6 described in the present application includes a first movable module 61, a second movable module 62 and a third movable module 63; the stereo detector 3 is connected to the first movable module 61, and the plane detector 2 is connected to the second movable module 62; the first movable module 61 is slidably connected to the second movable module 62 along the first direction, and the first movable module 61 is used to drive the stereo detector 3 to move in the first direction; the second movable module 62 is slidably connected to the third movable module 63 along the second direction, and the second movable module 62 is used to drive the first movable module 61 and the stereo detector 3 to move in the second direction; the third movable module 63 is slidably connected to the support part 11 along the third direction, and the third movable module 63 is used to drive the first movable module 61, the second movable module 62 and the stereo detector 3 to move in the third direction; wherein, the first direction, the second direction and the third direction are perpendicular to each other.

[0046] In the embodiment of the present application, a first moving module 61, a second moving module 62 and a third moving module 63 are provided in the moving assembly 6, and the three mutually perpendicular moving modules are used to drive the position movement of the stereo detector 3. In a specific application, when the battery cell 5 to be inspected is fixedly positioned on the positioning assembly, the three moving modules of the moving assembly 6 move, thereby completing the position adjustment of the plane detector 2 and the stereo detector 3, so as to perform a three-dimensional scan of the weld of the battery cell 5 to be inspected. Figure 1 、 Figure 2As shown, the first direction is the direction indicated by arrow x, the second direction is the direction indicated by arrow y, and the third direction is the direction indicated by arrow z. Specifically, the first direction can be selected as the up-down direction; the second direction can be selected as the left-right direction; and the third direction can be selected as the front-back direction. It should be noted that those skilled in the art can select the first direction, the second direction, and the third direction based on actual production and use requirements, and this application does not impose any specific limitations.

[0047] Optionally, the first movable module 61 described in the present application is further provided with a rotating assembly 64 , which is movably connected to the stereo detector 3 and is used to drive the stereo detector 3 to rotate.

[0048] In this embodiment of the present application, a rotating assembly 64 is provided on the first movable module 61 and is movably connected to the stereoscopic detector 3 to drive the rotation of the stereoscopic detector 3. In use, when the movable module 6 moves the stereoscopic detector 3 to the side of the battery cell 5 to be inspected, the rotating assembly 64 is used to adjust the angle of the stereoscopic detector 3, so that the stereoscopic detector 3 completes a three-dimensional scan of the battery cell weld.

[0049] Optionally, the rotating assembly 64 described in the present application includes: a driving member 641 and a mounting member 642, and the driving member 641 and the mounting member 642 are both connected to the first movable module 61, the mounting member 642 is rotatably connected to the driving member 641 along the first direction close to the side of the stereo detector 3, the stereo detector 3 is movably mounted on the mounting member 642 and connected to the driving member 641, and the driving member 641 is used to drive the mounting member 642 to rotate, so as to drive the stereo detector 3 to rotate.

[0050] In the embodiment of the present application, the rotating assembly 64 may include at least a driving member 641 and a mounting member 642. The mounting member 642 is movably connected to the stereo detector 3 and, via the driving member 641, drives the stereo detector 3 to rotate, thereby adjusting the angle of the stereo detector 3. Specifically, the driving member 641 may be a drive motor. It should be noted that those skilled in the art may select the type and model of the driving member 641 based on actual production and use requirements, and this application does not impose any specific restrictions.

[0051] Optionally, the first movable module 61 , the second movable module 62 and the third movable module 63 described in the present application are at least one of a synchronous belt module and a lead screw adjustment module.

[0052] In an embodiment of the present application, the first moving module 61, the second moving module 62 and the third moving module 63 can specifically select at least one of the synchronous belt module and the screw adjustment module, and the movement efficiency and accuracy of the moving component can be improved by selecting at least one of the synchronous belt module and the screw adjustment module.

[0053] Optionally, the stereo detector 3 described in the present application includes any one or more of a profilometer, a laser scanner and an optical scanner.

[0054] In the embodiment of the present application, the stereoscopic detector 3 may specifically include any one or more of a profilometer, a laser scanner, and an optical scanner to improve the scanning accuracy of the welds of the battery core 5 to be inspected.

[0055] Optionally, the battery cell sealing detection device described in this application can also be provided with an output module, which is electrically connected to the three-dimensional detector 3 and the plane detector 2, and the output module is used to obtain and output the detection results of the three-dimensional detector 3 and the plane detector 2 on the battery cell 5 to be inspected.

[0056] In an embodiment of the present application, the battery cell sealing detection device may also be provided with an output module, which is electrically connected to the three-dimensional detector 3 and the plane detector 2 through the output module. The output module obtains and outputs the detection results of the three-dimensional detector 3 and the plane detector 2 on the battery cell 5 to be inspected. Specifically, the output module may also be electrically connected to an external transfer device so that the external transfer device obtains the detection results through the output module and transfers the battery cell to the next process area or defective product area based on the detection results. Specifically, the output module may also be selected as a display screen, signal light, or other component for outputting different signals based on the obtained detection results.

[0057] Optionally, the plane detector 2 described in this application is a plane detection camera.

[0058] In the embodiment of the present application, the plane detector 2 can be specifically selected as a plane detection camera, and the plane detection camera is used to perform photographic scanning of the battery core weld.

[0059] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the illustrative use of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0060] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A battery core sealing detection device, characterized in that: The battery core sealing detection device comprises: a frame (1), a plane detector (2), a three-dimensional detector (3) and a positioning component (4); wherein, The frame (1) comprises a supporting portion (11) and a conveying portion (12), wherein the conveying portion is fixedly connected to the supporting portion (11) and extends along the second direction; The positioning assembly (4) is fixedly connected to the support portion (11), and the positioning assembly (4) is used to position and fix the battery core (5) to be inspected; The plane detector (2) and the stereo detector (3) are spaced apart along the second direction; the plane detector (2) is movably connected to the transmission part (12); and the stereo detector (3) is movably connected to the transmission part (12) and can rotate relative to the positioning assembly (4).

2. The battery core sealing detection device according to claim 1, characterized in that: At least two jigs are provided on the positioning component (4), and one of the jigs is used to position and fix one of the battery cells (5) to be inspected; There are at least two plane detectors (2), and one plane detector (2) corresponds to one jig. The plane detector (2) is used to perform plane detection on the corresponding battery cell (5) to be detected.

3. The battery core sealing detection device according to claim 1, characterized in that: The battery core sealing detection device further comprises: a moving component (6), the moving component (6) being movably connected to the transmission part (12), and the plane detector (2) and the three-dimensional detector (3) being both connected to the moving component (6); The moving component (6) is used to drive the plane detector (2) and the three-dimensional detector (3) to move on the conveying part (12).

4. The battery core sealing detection device according to claim 3, characterized in that: The moving assembly includes a first moving module (61), a second moving module (62) and a third moving module (63); The three-dimensional detector (3) is connected to the first movable module (61), and the plane detector (2) is connected to the second movable module (62); The first movable module (61) is slidably connected to the second movable module (62) along a first direction, and the first movable module (61) is used to drive the stereo detector (3) to move in the first direction; The second movable module (62) is slidably connected to the third movable module (63) along the second direction, and the second movable module (62) is used to drive the first movable module (61) and the stereo detector (3) to move in the second direction; The third movable module (63) is slidably connected to the support portion (11) along a third direction, and the third movable module (63) is used to drive the first movable module (61), the second movable module (62) and the stereo detector (3) to move in the third direction; The first direction, the second direction and the third direction are perpendicular to each other.

5. The battery core sealing detection device according to claim 4, characterized in that: The first movable module (61) is further provided with a rotating assembly (64), the rotating assembly (64) being movably connected to the stereoscopic detector (3), and the rotating assembly (64) being used to drive the stereoscopic detector (3) to rotate.

6. The battery core sealing detection device according to claim 5, characterized in that: The rotating assembly (64) includes: a driving member (641) and a mounting member (642), wherein the driving member (641) is connected to the first movable module (61), and the mounting member (642) is rotatably connected to a side of the driving member (641) close to the stereoscopic detector (3) along the first direction, and the stereoscopic detector (3) is movably connected to the mounting member (642); The driving member (641) is used to drive the mounting member (642) to rotate, thereby driving the stereo detector (3) to rotate.

7. The battery core sealing detection device according to claim 4, characterized in that: The first movable module (61), the second movable module (62), and the third movable module (63) are at least one of a synchronous belt module and a lead screw adjustment module.

8. The battery core sealing detection device according to claim 1, characterized in that: The stereo detector (3) is any one of a profilometer, a laser scanner and an optical scanner.

9. The battery core sealing detection device according to claim 1, characterized in that: The battery cell sealing detection device is further provided with an output module, the output module being electrically connected to the three-dimensional detector (3) and the plane detector (2), and the output module being used to output the detection results of the three-dimensional detector (3) and the plane detector (2) on the battery cell (5) to be detected.

10. The battery core sealing detection device according to claim 1, characterized in that: The plane detector (2) is a plane detection camera.

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