Battery module CCS post-welding detection tool

Abstract

The utility model discloses a battery module CCS post-welding detection tool which comprises a protective shell, a conveying belt is arranged on the inner wall of the protective shell, a plurality of positioning assemblies are arranged in the middle section of the conveying belt, a visual detection mechanism and an electric detection mechanism are arranged on one side of the inner wall of the top end of the protective shell, and the visual detection mechanism and the electric detection mechanism are arranged on the other side of the inner wall of the top end of the protective shell. The visual detection mechanism comprises a linear driving mechanism and a visual detection camera which are installed on the inner wall of the protective shell, the visual detection camera is installed on a transversely-arranged moving structure of the linear driving mechanism, the electric detection mechanism comprises a fixing frame and a detection needle plate, the fixing frame is fixed to the inner wall of the top end of the protective shell, and the detection needle plate is fixed to the fixing frame. The detection needle plate is connected to the inner wall of the bottom end of the fixing frame. According to the CCS welding machine, through the arrangement of the protective shell, the conveying belt and the positioning assembly, after CCS welding is completed, the CCS is moved to the position below the visual detection mechanism and the electric detection mechanism to be subjected to positioning detection, and continuous detection is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery module CCS, in particular to a battery module CCS post-welding detection tool. Background Art

[0002] The CCS (Cells Contact System, integrated busbar) in the battery of the new energy storage power station is a key component in the energy storage system. It is responsible for connecting the battery cells and monitoring their status, which has an important impact on the performance, safety and reliability of the energy storage system. Its core components include signal acquisition components (such as FPC, PCB, FFC, etc.), plastic structural parts, and copper and aluminum bars. Through processes such as hot pressing or riveting, these components are integrated into a complete system to achieve high-voltage series and parallel connection of battery cells, as well as the sampling functions of battery temperature and battery cell voltage. In addition, CCS also transmits temperature and voltage information to the BMS (battery management system) system through FPC / PCB and connector components.

[0003] After searching, the Chinese patent publication number CN213715390U discloses a CCS detection tooling, including a CCS pre-welding detection tooling and a voltage divider plate; the CCS pre-welding detection tooling at least includes a frame, multiple elastic probes, a voltage acquisition module, an NTC acquisition module, a workpiece clamping assembly and a host computer, each of the elastic probes is electrically connected to the voltage divider plate, and the voltage acquisition module and the NTC acquisition module are both communicatively connected to the host computer.

[0004] This patent uses the voltage acquisition module and the NTC acquisition module to receive the voltage and temperature signals on the CCS during the test and send them to the host computer. The host computer compares the collected data with the preset standard to determine whether the CCS is qualified. This setting does not require the use of a multimeter, effectively avoiding the problem of improper operation of the multimeter probe causing damage to the product. However, it requires placing the CCS component in the fixture, closing the lid, and starting the test, which is cumbersome to operate and inconvenient for assembly line production. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a battery module CCS post-weld detection tool.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A battery module CCS post-weld inspection tool comprises a protective shell, a conveyor belt is arranged on the inner wall of the protective shell, a plurality of positioning components are arranged in the middle section of the conveyor belt, a visual inspection mechanism and an electrical inspection mechanism are arranged on one side of the inner wall at the top end of the protective shell, the visual inspection mechanism comprises a linear drive mechanism and a visual inspection camera installed on the inner wall of the protective shell, another linear drive mechanism arranged alternately with the linear drive mechanism is arranged on the moving structure of the linear drive mechanism, the visual inspection camera is installed on the moving structure of the linear drive mechanism arranged laterally, the electrical inspection mechanism comprises a fixing frame and a detection needle plate, the fixing frame is fixed to the inner wall at the top end of the protective shell, and the detection needle plate is connected to the inner wall at the bottom end of the fixing frame.

[0008] As a further solution of the utility model: telescopic cylinders are installed on the inner walls of the bottom ends of the protective shells opposite to the visual detection mechanism and the electrical detection mechanism, and the telescopic ends of the telescopic cylinders are connected to lifting plates.

[0009] As a further solution of the utility model: the positioning assembly includes a fixed block and a touch rod, the fixed block is fixed to the inner wall of the protective shell, and the touch rod is rotatably connected to the top of the fixed block.

[0010] As a further solution of the utility model: a torsion spring is connected to one end of the rotating shaft of the touch rod, a cavity is opened on one side of the fixed block, a rotating block is rotatably connected to the inner wall of the cavity, and the rotating block is connected to the rotating shaft of the touch rod.

[0011] As a further solution of the utility model: a sliding cavity is provided on one side of the cavity, the inner wall of the sliding cavity is slidably connected to a limit rod, and an outer wall of one side of the rotating block is provided with a sliding groove that cooperates with the limit rod.

[0012] As a further solution of the utility model: a permanent magnet is fixed to one end of the limit rod, an electromagnet is fixed to the inner wall of the sliding cavity, a conductive contact is fixed to the outer wall of the rotating block, another conductive contact is fixed to the inner wall of the cavity, and the two conductive contacts are slidably matched.

[0013] As a further solution of the utility model: the fixed frame and the detection needle plate are connected by a connecting assembly, and the connecting assembly includes a connecting block and an insertion rod. The connecting block is fixed to the two ends of the outer wall of the top end of the detection needle plate, and the insertion rod is slidably connected to the two ends of the fixed frame.

[0014] As a further solution of the utility model: a pulling handle is connected to one side of the insertion rod, an outer wall of one end of the insertion rod is connected to a limit spring, and the other end of the limit spring is connected to a fixing frame.

[0015] Compared with the prior art, the utility model provides a battery module CCS post-weld inspection tooling, which has the following beneficial effects:

[0016] 1. The utility model is provided with a protective shell, a conveyor belt and a positioning assembly. After the CCS completes welding, the CCS is moved to the bottom of the visual detection mechanism and the electrical detection mechanism for positioning detection to achieve continuity detection.

[0017] 2. The utility model provides a limit rod, a sliding groove and a conductive contact, and uses a jig carrying the CCS to push the touch rod to move, so that the two conductive contacts are in contact, and the electrical signal is transmitted to the controller, so that the visual detection mechanism and the electrical detection mechanism are started to perform detection. Compared with sensor positioning, it does not require complex electronic components and algorithms, and simplifies the control logic.

[0018] 3. The utility model is provided with a connecting assembly, so when the detection needle plate needs to be replaced, the detection needle plate can be removed by pulling the pull handle, which is convenient for replacing the detection needle plate.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a battery module CCS post-weld inspection tooling proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of a battery module CCS post-weld inspection tooling proposed by the utility model;

[0022] Figure 3 This is a structural schematic diagram of a battery module CCS post-weld inspection tooling positioning assembly proposed by the utility model;

[0023] Figure 4 This is a schematic diagram of the connection structure of a limit rod and a sliding groove of a battery module CCS post-weld detection tooling proposed by the utility model;

[0024] Figure 5 This is a structural schematic diagram of a battery module CCS post-weld inspection tooling connection assembly proposed by the utility model.

[0025] In the figure: 1. Protective shell; 2. Conveyor belt; 3. Positioning assembly; 4. Telescopic cylinder; 5. Lifting plate; 6. Linear drive mechanism; 7. Visual inspection camera; 8. Fixed frame; 9. Inspection needle plate; 10. Fixed block; 11. Touch rod; 12. Cavity; 13. Torsion spring; 14. Rotating block; 15. Sliding cavity; 16. Limit rod; 17. Electromagnet; 18. Sliding groove; 19. Conductive contact; 20. Connecting block; 21. Insert rod; 22. Limit spring; 23. Pull handle. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] Example 1

[0029] A battery module CCS post-weld inspection tool, such as Figure 1 to Figure 1 As shown, it includes a protective shell 1, a conveyor belt 2 is provided on the inner wall of the protective shell 1, a plurality of positioning components 3 are provided in the middle section of the conveyor belt 2, a visual detection mechanism and an electrical detection mechanism are provided on one side of the inner wall at the top end of the protective shell 1, the visual detection mechanism includes a linear drive mechanism 6 and a visual detection camera 7 installed on the inner wall of the protective shell 1, another linear drive mechanism 6 arranged alternately therewith is provided on the moving structure of the linear drive mechanism 6, the visual detection camera 7 is installed on the moving structure of the laterally arranged linear drive mechanism 6, the electrical detection mechanism includes a fixed frame 8 and a detection needle plate 9, the fixed frame 8 is fixed to the inner wall at the top end of the protective shell 1, the detection needle plate 9 is connected to the inner wall at the bottom end of the fixed frame 8, the inner wall at the bottom end of the protective shell 1 opposite to the visual detection mechanism and the electrical detection mechanism is installed with a telescopic cylinder 4, and the telescopic end of the telescopic cylinder 4 is connected to a lifting plate 5.

[0030] The positioning assembly 3 includes a fixed block 10 and a touch rod 11, the fixed block 10 is fixed to the inner wall of the protective shell 1, the touch rod 11 is rotatably connected to the top of the fixed block 10, one end of the rotating shaft of the touch rod 11 is connected to a torsion spring 13, a cavity 12 is opened on one side of the fixed block 10, a rotating block 14 is rotatably connected to the inner wall of the cavity 12, the rotating block 14 is connected to the rotating shaft of the touch rod 11, a sliding cavity 15 is provided on one side of the cavity 12, a limit rod 16 is slidably connected to the inner wall of the sliding cavity 15, a sliding groove 18 that cooperates with the limit rod 16 is provided on the outer wall of one side of the rotating block 14, a permanent magnet is fixed to one end of the limit rod 16, an electromagnet 17 is fixed to the inner wall of the sliding cavity 15, a conductive contact 19 is fixed to the outer wall of the rotating block 14, another conductive contact 19 is fixed to the inner wall of the cavity 12, and the two conductive contacts 19 are slidably matched.

[0031] The welded CCS is input into the protective housing 1 through an external device along with the jig and moves along the conveyor belt 2. When the CCS moves to the bottom of the visual inspection camera 7, one end of the CCS collides with the touch rod 11, causing the touch rod 11 to rotate with the rotating shaft as the rotation center, and the torsion spring 13 is twisted, driving the rotating block 14 to rotate. In this process, the repulsive force of the permanent magnet at one end of the limit rod 16 by the electromagnet 17 makes the limit rod 16 always inserted into the sliding groove 18, limiting the rotation angle of the rotating block 14. At the same time, a conductive contact 19 rotates with the rotating block 14. When the touch rod 11 reaches the maximum rotation angle, that is, the detection position of the CCS, the touch rod 11 blocks the CCS. At this time, the two conductive contacts 19 are in contact and energized, and the electrical signal is transmitted. To the controller, the telescopic cylinder 4 pushes the lifting plate 5 up to lift the CCS, and the linear drive mechanism 6 drives the visual inspection camera 7 to move to perform visual inspection on the CCS. After the inspection is completed, the lifting plate 5 drops and the CCS returns to the conveyor belt 2. At this time, the current of the electromagnet 17 changes from repulsion to magnetic attraction on the permanent magnet, so that the limit rod 16 disengages from the sliding groove 18, and the conveyor belt 2 drives the CCS to move, and the touch rod 11 flips over and cannot cause any obstruction to the CCS. After the CCS passes the positioning assembly 3, the torsion spring 13 drives the touch rod 11 to reset, and at the same time the limit rod 16 is inserted into the sliding groove 18. When the CCS moves to the bottom of the detection needle plate 9, the above operation is repeated to make the detection needle plate 9 contact with the CCS for inspection.

[0032] By setting up the protective shell 1, the conveyor belt 2 and the positioning component 3, after the CCS completes welding, the CCS is moved to the bottom of the visual detection mechanism and the electrical detection mechanism for positioning detection to achieve continuity detection.

[0033] By setting a limit rod 16, a sliding groove 18 and a conductive contact 19, the touch rod 11 is pushed to move by using a jig carrying the CCS, so that the two conductive contacts 19 are in contact, and an electrical signal is transmitted to the controller, so that the visual detection mechanism and the electrical detection mechanism are started to perform detection. Compared with sensor positioning, it does not require complex electronic components and algorithms, and simplifies the control logic.

[0034] Example 2

[0035] A battery module CCS post-weld inspection tool, based on Example 1, this embodiment makes the following improvements, such as Figure 5 As shown, the fixed frame 8 and the detection needle plate 9 are connected by a connecting assembly, and the connecting assembly includes a connecting block 20 and an insertion rod 21. The connecting block 20 is fixed to the two ends of the outer wall of the top end of the detection needle plate 9, and the insertion rod 21 is slidably connected to the two ends of the fixed frame 8. A pulling handle 23 is connected to one side of the insertion rod 21, and a limiting spring 22 is connected to the outer wall of one end of the insertion rod 21, and the other end of the limiting spring 22 is connected to the fixed frame 8.

[0036] When detecting different CCS, the detection needle plate 9 needs to be replaced. The box door on one side of the protective shell 1 is opened, and two staff members respectively lift the two ends of the detection needle plate 9 and pull the pulling handle 23 to drive the insertion rod 21 to disengage from the connecting block 20, remove the detection needle plate 9, and reverse the operation to install the new detection needle plate 9.

[0037] By providing the connection assembly, when the detection needle plate 9 needs to be replaced, the detection needle plate 9 can be removed by pulling the pull handle 23, so that the replacement of the detection needle plate 9 is convenient.

[0038] Working principle: The welded CCS is input into the protective housing 1 through the external device along with the jig and moves along the conveyor belt 2. When the CCS moves to the bottom of the visual inspection camera 7, one end of the CCS collides with the touch rod 11, causing the touch rod 11 to rotate with the rotating shaft as the rotation center, and the torsion spring 13 is twisted, driving the rotating block 14 to rotate. In this process, the repulsive force of the permanent magnet at one end of the limit rod 16 by the electromagnet 17 makes the limit rod 16 always inserted into the sliding groove 18, limiting the rotation angle of the rotating block 14. At the same time, a conductive contact 19 rotates with the rotating block 14. When the touch rod 11 reaches the maximum rotation angle, that is, the detection position of the CCS, the touch rod 11 blocks the CCS. At this time, the two conductive contacts 19 are in contact and energized, and the electrical signal is transmitted to the controller. The telescopic cylinder 4 pushes the lifting plate 5 up to lift the CCS, and the linear drive mechanism 6 drives the visual inspection camera 7 to move. CS performs visual inspection. After the inspection is completed, the lifting plate 5 drops and the CCS returns to the conveyor belt 2. At this time, the current of the electromagnet 17 changes from repulsion to magnetic attraction, so that the limit rod 16 disengages from the sliding groove 18. The conveyor belt 2 drives the CCS to move, and the touch rod 11 flips over and cannot cause any obstruction to the CCS. After the CCS passes the positioning assembly 3, the torsion spring 13 drives the touch rod 11 to reset, and at the same time the limit rod 16 is inserted into the sliding groove 18. When the CCS moves to the bottom of the detection needle plate 9, the above operation is repeated to make the detection needle plate 9 contact with the CCS for inspection; when inspecting different CCS, the detection needle plate 9 needs to be replaced, and the box door on one side of the protective shell 1 is opened. Two staff members lift the two ends of the detection needle plate 9 respectively, pull the pulling handle 23, drive the insertion rod 21 to disengage from the connecting block 20, remove the detection needle plate 9, and install the new detection needle plate 9 by reverse operation.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A battery module CCS post-weld inspection tool, comprising a protective housing (1), characterized in that: A conveyor belt (2) is arranged on the inner wall of the protective shell (1), a plurality of positioning components (3) are arranged in the middle section of the conveyor belt (2), a visual detection mechanism and an electrical detection mechanism are arranged on one side of the inner wall at the top end of the protective shell (1), the visual detection mechanism comprises a linear drive mechanism (6) and a visual detection camera (7) installed on the inner wall of the protective shell (1), another linear drive mechanism (6) arranged alternately with the linear drive mechanism (6) is arranged on the moving structure of the linear drive mechanism (6), the visual detection camera (7) is installed on the moving structure of the laterally arranged linear drive mechanism (6), the electrical detection mechanism comprises a fixing frame (8) and a detection needle plate (9), the fixing frame (8) is fixed to the inner wall at the top end of the protective shell (1), and the detection needle plate (9) is connected to the inner wall at the bottom end of the fixing frame (8).

2. A battery module CCS post-weld inspection tool according to claim 1, characterized in that: A telescopic cylinder (4) is installed on the inner wall of the bottom end of the protective housing (1) opposite to the visual detection mechanism and the electrical detection mechanism, and a lifting plate (5) is connected to the telescopic end of the telescopic cylinder (4).

3. The battery module CCS post-weld inspection tool according to claim 1, characterized in that: The positioning assembly (3) comprises a fixed block (10) and a touch rod (11); the fixed block (10) is fixed to the inner wall of the protective shell (1); and the touch rod (11) is rotatably connected to the top of the fixed block (10).

4. A battery module CCS post-weld inspection tool according to claim 3, characterized in that: A torsion spring (13) is connected to one end of the rotating shaft of the touch rod (11); a cavity (12) is provided on one side of the fixed block (10); a rotating block (14) is rotatably connected to the inner wall of the cavity (12); and the rotating block (14) is connected to the rotating shaft of the touch rod (11).

5. A battery module CCS post-weld inspection tool according to claim 4, characterized in that: A sliding cavity (15) is provided on one side of the cavity (12); the inner wall of the sliding cavity (15) is slidably connected to a limit rod (16); and the outer wall of one side of the rotating block (14) is provided with a sliding groove (18) that cooperates with the limit rod (16) in limiting manner.

6. A battery module CCS post-weld inspection tool according to claim 5, characterized in that: A permanent magnet is fixed to one end of the limit rod (16), an electromagnet (17) is fixed to the inner wall of the sliding cavity (15), a conductive contact (19) is fixed to the outer wall of the rotating block (14), and another conductive contact (19) is fixed to the inner wall of the cavity (12), and the two conductive contacts (19) are slidably matched.

7. The battery module CCS post-weld inspection tool according to claim 1, characterized in that: The fixing frame (8) and the detection needle plate (9) are connected via a connecting assembly, wherein the connecting assembly comprises a connecting block (20) and an inserting rod (21), wherein the connecting block (20) is fixed to the two ends of the outer wall of the top end of the detection needle plate (9), and the inserting rod (21) is slidably connected to the two ends of the fixing frame (8).

8. The battery module CCS post-weld inspection tool according to claim 7, characterized in that: A pulling handle (23) is connected to one side of the insertion rod (21), a limit spring (22) is connected to the outer wall of one end of the insertion rod (21), and the other end of the limit spring (22) is connected to the fixing frame (8).

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