Battery cell position detection device and detection equipment
By using laser detection technology in the battery cell detection device, the problem of abnormality in the battery cell position in the prior art is solved, and the accurate judgment of the battery cell position is achieved, the collision and fire problem during the manipulator is avoided, and the reliability of the detection equipment is improved.
Patent Information
- Application Number
- CN202420718239.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-09
AI Technical Summary
The prior art cannot effectively detect whether the position of the soft-pack battery cell in the pallet is abnormal, resulting in tilting or misalignment when grabbing by the robot, causing the battery cell to collide and fire and the pallet to scrap.
A battery cell position detection device is designed, including an upper edge laser detection component and a side edge laser detection component. The position of the battery cell is detected by a laser sensor and a laser reflector plate to determine whether it is tilted or misaligned.
Laser detection technology can accurately determine the abnormal position of the battery cell, avoid collision and fire problems during manipulator grabbing, and improve the reliability of the detection equipment and the service life of the battery cell.
Smart Images

Figure CN222704014U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery cell position detection, in particular to a battery cell position detection device and detection equipment. Background Art
[0002] The preparation process of battery cells generally includes steps such as testing, which requires a robot to grab the battery cells on the tray for testing. However, there is currently no process in the factory to detect whether the position of the soft-pack battery cells on the tray is abnormal. It can only rely on operators to occasionally discover it, or the detection equipment may trigger an alarm in other processes in the equipment when the robot grabs the battery cells due to abnormal position.
[0003] However, when the robot grasps a battery cell that is in an abnormal position such as tilted or misaligned, it is not only difficult to grasp it successfully, but there is also the problem of battery cell collision and fire caused by abnormal grasping, which can easily lead to the scrapping of the battery cell and pallet.
[0004] Therefore, it is urgent to develop a battery cell position detection device and detection equipment to solve the problems in the prior art. Utility Model Content
[0005] The purpose of the utility model is to provide a battery cell position detection device and detection equipment, which can detect the position status of the battery cell to avoid tilting or misalignment of the battery cell, so as to solve the problem raised in the above background technology that the current factory cannot detect whether the position of the soft-pack battery cell in the tray is abnormal.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A battery cell position detection device includes a first detection component, the first detection component includes a lifting component, a mounting bracket connected to the lifting component, and an upper edge laser detection component arranged on the mounting bracket, the upper edge laser detection component includes at least two laser detection mechanisms, and the laser detection mechanisms are used to cooperate in determining whether the battery cell position is abnormal.
[0008] Furthermore, the upper portion of the lifting assembly is used to be connected to the frame, and the lower portion of the lifting assembly is connected to the mounting bracket.
[0009] Furthermore, during detection, the direction in which the laser is generated by the laser detection mechanism is parallel to the direction in which the battery cells are arranged.
[0010] Furthermore, the laser detection mechanism includes a laser sensor and a laser reflection plate corresponding to the laser sensor, and one or more laser sensors are arranged on the same mounting bracket or different mounting brackets.
[0011] Furthermore, it also includes a second detection component, which includes a horizontal movement component, a mounting bracket connected to the horizontal movement component, and a side edge laser detection component arranged on the mounting bracket, and the side edge laser detection component includes at least two laser detection mechanisms.
[0012] Furthermore, at least two of the second detection components are provided.
[0013] Furthermore, it also includes a controller, which is communicatively connected with the laser detection component.
[0014] Furthermore, the mounting bracket is provided with at least two bolt holes, the laser detection mechanism is provided with a connection structure that cooperates with the bolt holes, and the laser detection mechanism is detachably connected to the mounting bracket.
[0015] Furthermore, the mounting bracket is a guide rail, and at least two sliders are slidably connected to the guide rail, and the guide rail is detachably connected to the laser detection mechanism through the sliders.
[0016] The detection equipment comprises the battery cell position detection device.
[0017] Compared with the prior art, the utility model has the beneficial effects of: by setting two laser detection mechanisms to detect whether the battery cell position is tilted, most abnormal battery cell position conditions can be determined, the structure is simple and the cost is low.
[0018] At the same time, further providing one or more second detection components can further determine whether the battery cell is misplaced or has other positional abnormalities with high accuracy.
[0019] Other features and advantages of the present invention will be disclosed in detail in the following specific implementations and drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of a cell position detection device installed on a detection device;
[0021] Figure 2 It is a schematic diagram of the structure of the battery cell position detection device installed in front of the detection equipment;
[0022] Figure 3 It is a schematic diagram of the structure of the battery cell position detection device installed at the rear of the detection equipment.
[0023] Explanation of the markings in the figure: 1. First detection component; 11. Lifting component; 12. Mounting bracket; 13. Laser sensor; 14. Laser reflector; 2. Second detection component; 21. Horizontal moving component; 3. Battery cell; 4. Rack; 5. Conveyor belt; 6. Pallet. DETAILED DESCRIPTION
[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] Cell position detection device, such as Figures 1 to 3 As shown, it includes a first detection component 1, which includes a lifting component 11, a mounting bracket 12 connected to the lifting component 11, and an upper edge laser detection component arranged on the mounting bracket 12, and the upper edge laser detection component includes at least two laser detection mechanisms, and the laser detection mechanism can generate lasers to cooperate in judging whether the position of the battery cell 3 is abnormal, that is, when the upper edge of the battery cell 3 is not tilted, the laser generated by the laser detection mechanism is not blocked by the battery cell 3, and when the upper edge of the battery cell 3 is tilted, the laser generated by at least one laser detection mechanism is blocked by the battery cell 3.
[0026] The lifting assembly 11 is used to move the upper edge laser detection assembly to a specified height, the upper part of the lifting assembly 11 is used to be connected to the frame 4, and the lower part is connected to the mounting bracket 12. Optionally, the upper part of the lifting assembly 11 is fixedly or detachably connected to the frame 4 through a bracket or the like.
[0027] The rack 4 can be a rack 4 of various equipment in the process of preparing or testing the battery cell 3; for example, vacuum equipment, airtight leakage equipment or insulation detection equipment. The connection between the lifting component 11 and the rack 4 can be bolted or welded, which is a prior art and will not be described in detail in this application. The lifting component 11 can also be indirectly connected to the rack 4 through a base, etc.
[0028] The lifting assembly 11 includes an electric push rod, a pneumatic push rod or a hydraulic rod, etc., which are prior arts and will not be described in detail in this application. Preferably, the push rod part of the electric push rod or the pneumatic push rod is the lower part.
[0029] The mounting bracket 12 and the lifting assembly 11 may be connected by bolts or welding, etc., which is the prior art and will not be described in detail in this application.
[0030] In this embodiment, the two laser detection mechanisms are respectively arranged at two ends of the same side of the mounting bracket 12 .
[0031] In this embodiment, the installation position of the laser detection mechanism can be replaced or moved on the installation bracket 12.
[0032] Optionally, at least two bolt holes are provided on the mounting bracket 12, and a connecting structure matching with the bolt holes is provided on the laser detection mechanism, and the laser detection mechanism is detachably connected to the mounting bracket 12 via bolts.
[0033] Optionally, a plurality of bolt holes may be provided on the mounting bracket 12 so that the user can adjust the distance between the laser detection mechanisms according to the positions of the bolt holes to accommodate batteries of different lengths.
[0034] As another embodiment, the mounting bracket 12 is a guide rail, and at least two sliders are slidably connected to the guide rail, and the guide rail is detachably connected to the laser detection mechanism through the sliders. The guide rail and the sliders are prior art and will not be described in detail in this application.
[0035] In this embodiment, the laser detection mechanism includes a laser sensor 13 and a laser reflector 14 corresponding to the laser sensor 13. Two lifting assemblies 11 are provided, and two mounting brackets 12 connected to the lifting assemblies 11 are also provided. The laser sensor 13 is connected to one lifting assembly 11 through the mounting bracket 12, and the laser reflector 14 corresponding to the laser sensor 13 is connected to the other lifting assembly 11 through the mounting bracket 12. Optionally, more than one laser sensor 13 can be provided on the same mounting bracket 12 or on different mounting brackets 12.
[0036] Optionally, in this embodiment, the model of the laser sensor 13 is a digital laser sensor 13LS-400, and the laser reflection plate 14 is a corresponding matching laser reflection plate 14.
[0037] It also includes a controller, which is connected to the laser detection component and is used to receive an abnormal signal from the laser detection component to determine whether there is an obstacle blocking it. Optionally, the controller is also electrically connected to the lifting component 11, and when the position detection starts, the lifting component 11 is controlled to move downward, and when the position detection ends, the lifting component 11 is controlled to move upward. The connection is optional, and the controller can be a PLC, etc. In this embodiment, the PLC is connected to the detection device, and when an abnormal signal is detected, the detection device is shut down and an alarm is sounded.
[0038] When in use, the lifting assembly 11 moves the laser sensor 13 to a specified height, which is generally close to the upper edge of the battery cell 3 during the detection. The two laser sensors 13 emit lasers. When all the lasers pass through the battery cell 3 and are reflected back to the laser sensor 13 via the laser reflector 14, the controller determines that the battery cell 3 is not tilted at this time based on the data of the laser sensor 13. When at least one laser beam is blocked by the battery cell 3, the laser cannot be reflected back to the laser sensor 13 from the laser reflector 14, and the controller determines that the battery cell 3 is tilted at this time.
[0039] Optionally, the direction in which the laser detection mechanism generates laser light is parallel to the direction in which the battery cells 3 are arranged, so that the two laser detection mechanisms can detect the height of the left and right parts of the upper edge of the battery cells 3 .
[0040] Embodiment 2
[0041] like Figures 1 to 3 As shown, the difference between this embodiment and the embodiment 1 is that the battery cell position detection device also includes a second detection component 2, the second detection component 2 includes a horizontal moving component 21, a mounting bracket 12 connected to the horizontal moving component 21 and a side edge laser detection component arranged on the mounting bracket 12, the side edge laser detection component includes at least two laser detection mechanisms, the laser detection mechanisms can generate lasers, the two laser detection mechanisms are used to cooperate in determining whether the side edge position of the battery cell 3 is abnormal, when the side edge of the battery cell 3 is not tilted, the laser generated by the laser detection mechanism is not blocked by the battery cell 3, when the side edge of the battery cell 3 is tilted, the laser generated by at least one laser detection mechanism is blocked by the battery cell 3.
[0042] The horizontal moving assembly 21 is used to move the upper edge laser detection assembly to a specified horizontal position. Optionally, the upper portion of the horizontal moving assembly 21 is used to connect to the rack 4, and the lower portion is connected to the mounting bracket 12. Optionally, the upper portion of the horizontal moving assembly 21 is fixedly or detachably connected to the rack 4 through a bracket or the like.
[0043] The horizontal moving assembly 21 includes an electric push rod, a pneumatic push rod or a hydraulic rod, etc., which can be arranged vertically or horizontally. This is the prior art and will not be described in detail in this application. Preferably, the push rod part of the electric push rod or the pneumatic push rod is the lower part.
[0044] The two laser detection mechanisms are arranged one above the other.
[0045] Optionally, the controller is electrically connected to the laser detection mechanism and the horizontal moving component 21. When the position detection starts, the controller controls the horizontal moving component 21 to move to a specified position. When the position detection ends, the controller controls the horizontal moving component 21 to retract to the specified position.
[0046] Embodiment 3
[0047] The difference between this embodiment and the second embodiment is that Figures 1 to 3 As shown, at least two second detection components 2 are provided, which are respectively provided on both sides of the tray 6 or both sides of the rack 4, and are used to cooperate in determining whether the two side edges of the battery cell 3 are misaligned.
[0048] Embodiment 4
[0049] Testing equipment, such as Figures 1 to 3 As shown, it includes a device body and a conveyor belt 5 arranged in the device body, the device body includes a frame 4, and the battery cell position detection device is fixedly connected to the frame 4. The detection device can be an evacuation device, an airtight leakage device or an insulation detection device, etc., to realize position detection before testing, so as to avoid battery explosion during detection due to battery position problems.
[0050] The utility model provides a battery cell position detection device and detection equipment, which have simple structure, convenient use and high reliability.
[0051] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0052] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A battery cell position detection device, characterized in that: It includes a first detection component, which includes a lifting component, a mounting bracket connected to the lifting component, and an upper edge laser detection component arranged on the mounting bracket. The upper edge laser detection component includes at least two laser detection mechanisms, and the laser detection mechanisms are used to cooperate in determining whether the position of the battery cell is abnormal.
2. The battery cell position detection device according to claim 1, characterized in that: The upper part of the lifting assembly is used to be connected to the frame, and the lower part of the lifting assembly is connected to the mounting bracket.
3. The battery cell position detection device according to claim 2, characterized in that: The laser detection mechanism includes a laser sensor and a laser reflection plate corresponding to the laser sensor. During detection, the direction in which the laser is generated by the laser detection mechanism is parallel to the direction in which the battery cells are arranged.
4. The battery cell position detection device according to claim 3, characterized in that: One or more laser sensors are arranged on the same mounting bracket or on different mounting brackets.
5. The battery cell position detection device according to claim 1, characterized in that: It also includes a second detection component, which includes a horizontal movement component, a mounting bracket connected to the horizontal movement component, and a side edge laser detection component arranged on the mounting bracket, and the side edge laser detection component includes at least two laser detection mechanisms.
6. The battery cell position detection device according to claim 5, characterized in that: At least two of the second detection components are provided.
7. The battery cell position detection device according to any one of claims 1 to 6, characterized in that: A controller is also included, and the controller is communicatively connected with the laser detection component.
8. The battery cell position detection device according to claim 7, characterized in that: The mounting bracket is provided with at least two bolt holes, the laser detection mechanism is provided with a connection structure matched with the bolt holes, and the laser detection mechanism is detachably connected to the mounting bracket.
9. The battery cell position detection device according to claim 7, characterized in that: The mounting bracket is a guide rail, and at least two sliders are slidably connected to the guide rail. The guide rail is detachably connected to the laser detection mechanism through the sliders.
10. A detection device, characterized in that, The invention comprises a battery cell position detection device as described in any one of claims 1 to 9.