Battery detection machine

Abstract

The utility model discloses a battery detection machine which comprises a machine frame, a feeding conveyor is arranged on one side of the machine frame, a first positioning mechanism is arranged on one side of the feeding conveyor, a second positioning mechanism is arranged on the other side of the feeding conveyor, a manual feeding assembly line is formed on one side of the feeding conveyor, and a detection mechanism is arranged on one side, matched with the feeding conveyor, of the machine frame. The detection mechanism is provided with a first test station, a second test station and a third test station, the front end of the detection mechanism is provided with an inductive switch and a visual positioning information interaction device in a matched mode, and the portion, on one side of the feeding conveyor, of the rack is provided with a good product discharging line and a defective product discharging line. According to the utility model, three-station synchronous detection of cell insulation, voltage resistance, OCV internal resistance and negative-to-shell parameters is designed, visual positioning and automatic extrusion positioning are realized, data are traceable and adjustable, defective products are automatically rejected, four-wire shunting of good products is realized, and the detection efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of battery testing technology, and more specifically, to a battery testing machine. Background Technology

[0002] Battery testing is a crucial step in evaluating battery performance and safety. Specialized equipment is used to test the battery's positive and negative electrode insulation, positive and negative electrode withstand voltage, OCV internal resistance, and negative-to-case voltage resistance to ensure compliance with application standards. Test results are used for product quality control, fault diagnosis, and used battery evaluation, and are widely applied in new energy vehicles, energy storage systems, and consumer electronics.

[0003] Currently, battery module testing on the market is mostly done manually, with each data point tested and recorded individually, resulting in high labor costs and low efficiency. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the problems existing in the prior art, this utility model provides a battery testing machine to solve the technical problems of the battery testing machine mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A battery testing machine includes a frame. A feeding conveyor is mounted on one side of the frame, a first positioning mechanism is mounted on one side of the feeding conveyor, and a second positioning mechanism is mounted on the other side. A manual feeding assembly line is formed on one side of the feeding conveyor. A testing mechanism is mounted on the frame in conjunction with the feeding conveyor. The testing mechanism has a first testing station, a second testing station, and a third testing station. A sensor switch and a visual positioning information interaction device are mounted at the front end of the testing mechanism. A good product discharge line and a defective product discharge line are mounted on the frame on the side of the feeding conveyor. A conveying mechanism is mounted on the frame in conjunction with the feeding conveyor, the good product discharge line, and the defective product discharge line.

[0009] The present invention is further configured such that the conveying mechanism includes a movable Y-axis, which is mounted on the frame and spans the feeding conveyor, the good product discharge line and the defective product discharge line. A pressing cylinder is movably mounted on the movable Y-axis, and a clamping cylinder is fitted at the bottom of the pressing cylinder. A material handling clamp is provided at the bottom of the clamping cylinder.

[0010] The present invention is further configured such that support frames are provided on both sides of the movable Y-axis, and the axis is mounted on the frame via the support frames.

[0011] The present invention is further configured such that a cover is provided on the frame, and a host computer display screen, a PLC control interface and a three-color light are provided on the cover.

[0012] The present invention is further configured such that the first positioning mechanism includes a first mounting frame, the first mounting frame is disposed on one side of the feeding conveyor, the first mounting frame is provided with a first positioning cylinder, the output end of the first positioning cylinder is provided with a battery cell contact plate, and a guide post is provided between the battery cell contact plate and the first mounting frame.

[0013] The present invention is further configured such that the second positioning mechanism includes a second mounting frame, a second positioning cylinder is provided on the second mounting frame, a positioning push plate is provided at the output end of the second positioning cylinder, and a positioning stop post is provided on the positioning push plate.

[0014] The present invention is further configured to include a width adjustment mechanism, which is disposed on one side of the feeding conveyor. The width adjustment mechanism includes a side plate and a width adjustment handle is disposed on the side plate.

[0015] The present invention is further configured such that the first test station, the second test station and the third test station all include a detection pressing cylinder, the bottom end of the detection pressing cylinder is provided with a pressure block, and the bottom end of the pressure block is provided with a contact terminal.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, the present invention provides a battery testing machine, which has the following beneficial effects:

[0018] 1. This utility model is designed with a first inspection station, a second inspection station and a third inspection station to measure the positive and negative electrode insulation, positive and negative electrode withstand voltage, OCV internal resistance and negative-to-shell voltage resistance, respectively. The battery cell is manually fed on the production line. When the battery cell is fed, the induction switch senses the arrival of the material and the positioning cylinder 2 pushes the positioning push plate to drive the positioning stop to block the battery cell from moving forward. The positioning cylinder 2 pushes the battery cell contact plate to squeeze the battery cell tightly and cooperate in positioning.

[0019] 2. This utility model is equipped with a display screen and a visual positioning information interaction device that can take pictures with a camera. At the same time, it can perform visual positioning and is directly connected to the operating system. Each data point is measured and stored in the system, which can be queried and traced at any time. The cooperation between the visual positioning camera and the external data system in the visual positioning information interaction device is a well-known technology and will not be described in detail in this utility model.

[0020] 3. This utility model adopts three workstations that can be operated simultaneously, reducing the vacuum period and making the measurement cycle faster. At the same time, this utility model uses four production lines for material output (three good product output lines and one defective product output line). In addition, the system's measurement and comparison parameters can be adjusted to meet the needs of different batteries. Defective batteries are automatically rejected when detected. The operation is simple, convenient, and meets the production cycle. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the battery testing machine in this utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the battery testing machine in this utility model. Figure 1 ;

[0023] Figure 3 This is a schematic diagram of the internal structure of the battery testing machine in this utility model. Figure 2 ;

[0024] Figure 4 This is a schematic diagram of the overall structure of the first positioning structure in this utility model;

[0025] Figure 5 This is a schematic diagram of the overall structure of the second positioning structure in this utility model;

[0026] Figure 6 This is a schematic diagram of the overall structure of the width adjustment mechanism in this utility model;

[0027] Figure 7 This is a schematic diagram of the overall structure of the conveying mechanism in this utility model;

[0028] Figure 8 This is a schematic diagram showing the coordination of electrical components in the first test station, the second test station, and the third test station of this utility model.

[0029] In the diagram: 1. Frame; 2. Feeding conveyor; 3. Manual feeding assembly line; 4. First testing station; 5. Second testing station; 6. Third testing station; 7. Inductive switch; 8. Visual positioning information interaction equipment; 9. Good product discharge line; 10. Defective product discharge line; 11. Moving Y-axis; 12. Pressing cylinder; 13. Clamping cylinder; 14. Material handling clamp; 15. Support frame; 16. Machine cover; 17. Upper computer display screen; 18. PLC control interface; 19. Three-color light; 20. First mounting frame; 21. First positioning cylinder; 22. Battery cell contact plate; 23. Guide post; 24. Second mounting frame; 25. Second positioning cylinder; 26. Positioning push plate; 27. Positioning stop post; 28. Side plate; 29. ​​Width adjustment handle; 30. Detection pressing cylinder; 31. Pressure block; 32. Contact terminal; 33. Linear bearing. Detailed Implementation

[0030] It should be noted that, where there is no conflict, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0032] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0033] Please see Figures 1-8 A battery testing machine includes a frame 1, a feeding conveyor 2 on one side of the frame 1, a first positioning mechanism on one side of the feeding conveyor 2, and a second positioning mechanism on the other side. A manual feeding line 3 is formed on one side of the feeding conveyor 2. A testing mechanism is set on the frame 1 in conjunction with the feeding conveyor 2. The testing mechanism is equipped with a first testing station 4, a second testing station 5, and a third testing station 6. The first testing station 4 is used for positive and negative insulation testing; the second testing station 5 is used for positive and negative withstand voltage testing; and the third testing station 6 is used for OCV, negative-to-casing resistance, and voltage testing. This invention also includes a positive and negative insulation tester 101, a positive and negative withstand voltage tester 102, and a negative-to-casing and OCV internal resistance tester 103 installed in the frame, which are used in conjunction with the first, second, and third testing stations to test the battery cells.

[0034] This utility model has an inductive switch 7 and a visual positioning information interaction device 8 installed at the front end of the detection mechanism. A good product discharge line 9 and a defective product discharge line 10 are installed on the frame 1 on one side of the feeding conveyor 2. Preferably, there are 3 good product discharge lines 9 and 1 defective product discharge line 10. The inductive switch 7 is used to sense the incoming material. After sensing the incoming material, it controls the first positioning structure and the second positioning structure to clamp and position the incoming material. The setting of related control components and control programs, as well as the related circuit connection structure, are existing known technologies and will not be described in detail in this utility model.

[0035] Visual positioning information interaction is used to take a picture of the material after it has been positioned and scan it with a QR code to save the current cell data for easy traceability later. Only after the visual photo is successfully taken will the required data for each group be measured. The above-mentioned existing technologies are already in mature use and will not be described in detail.

[0036] This utility model has a conveying mechanism on the frame 1 in conjunction with the feeding conveyor 2, the good product discharge line 9, and the defective product discharge line 10.

[0037] Please see Figures 1-8 As one embodiment of the conveying mechanism: the conveying mechanism includes a movable Y-axis 11, which is mounted on the frame 1 and spans the feeding conveyor 2, the good product discharge line 9 and the defective product discharge line 10. A pressing cylinder 12 is movably mounted on the movable Y-axis 11. A clamping cylinder 13 is fitted at the bottom of the pressing cylinder 12. A material handling clamp 14 is mounted at the bottom of the clamping cylinder 13. Support frames 15 are mounted on both sides of the movable Y-axis 11 and are mounted on the frame 1 through the support frames 15.

[0038] Please see Figures 1-8 As one embodiment of the battery testing machine: a cover 16 is provided on the frame 1, and a host computer display screen 17, a PLC control interface 18 and a three-color light 19 are provided on the cover 16. The host computer display screen 17 and the PLC control interface 18 are used to display the test data and adjust the test parameters, etc., and the three-color light 19 is used to issue an alarm. The circuit connection structure between the above-mentioned electrical components is the existing known technology, and this utility model will not elaborate on it.

[0039] Please see Figures 1-8 As one embodiment of the first positioning mechanism: the first positioning mechanism includes a first mounting frame 20, which is disposed on one side of the feeding conveyor 2. A first positioning cylinder 21 is disposed on the first mounting frame 20. A battery cell contact plate 22 is disposed at the output end of the first positioning cylinder 21. A guide post 23 is disposed between the battery cell contact plate 22 and the first mounting frame 20.

[0040] Please see Figures 1-8 As one embodiment of the second positioning mechanism: the second positioning mechanism includes a second mounting frame 24, a second positioning cylinder 25 is provided on the second mounting frame 24, a positioning push plate 26 is provided at the output end of the second positioning cylinder 25, and a positioning stop post 27 is provided on the positioning push plate 26.

[0041] Please see Figures 1-8 As one embodiment of the battery testing machine, it also includes a width adjustment mechanism, which is set on one side of the feeding conveyor 2. The width adjustment mechanism includes a side plate 28, and a width adjustment handle 29 is provided on the side plate 28. The first mounting bracket 20 is mounted on the side plate 28, and its connecting end has a groove for screw connection from the other side (not shown in the figure).

[0042] refer to Figure 6 The width adjustment structure has a linear bearing 33, which plays a guiding role. In the figure, one end of the guide post is locked to the side plate 28, and the linear bearing 33 is a connecting piece locked to the profile.

[0043] The width adjustment mechanism is used when batteries of different thicknesses are to be used. Two width adjustment handles 29 are used to adjust the battery to the appropriate position to facilitate battery placement. After the width adjustment mechanism is adjusted, the battery is placed manually. After the battery is placed on the production line, the sensor switch 7 senses the arrival of the material. The second positioning mechanism positions the spacing of each battery until the battery cell flows to the first positioning mechanism. Once the positioning mechanism is in place, the visual image is taken and the information is stored. Then, the required values ​​are measured.

[0044] In this utility model, the first test station 4, the second test station 5 and the third test station 6 all include a detection pressing cylinder 30. The bottom end of the detection pressing cylinder 30 is provided with a pressing block 31, and the bottom end of the pressing block 31 is provided with a contact terminal 32.

[0045] In summary:

[0046] In the production and processing of this utility model, the battery cells to be tested are manually fed from the manual feeding assembly line 3. After the battery cell is in place, the induction switch 7 senses the arrival of the material. The second positioning cylinder 25 pushes the positioning push plate to drive the positioning stop 27 to move, restricting the battery cell from moving forward. At the same time, the first positioning cylinder 21 pushes the battery cell contact plate 22 to squeeze the battery cell to be tested, thus achieving battery cell detection, positioning and clamping.

[0047] After positioning, the visual positioning information interaction device 8 performs visual inspection and takes pictures for record-keeping, which is convenient for later traceability. The visual positioning information interaction device 8 is a visual positioning camera and related accessories, which is existing known technology and will not be described in detail in this utility model.

[0048] After the battery cell is positioned and fixed, during testing, the pressure block 31 is controlled by the pressure cylinder 30 on the first test station 4 to drive the contact terminal 32 to press down on the contact terminal 32 on the battery cell under test, so as to realize the positive and negative pole insulation test.

[0049] After the test is completed, the detection pressure cylinder 30 on the first test station 4 controls the pressure block 31 to drive the contact terminal 32 to press down the contact terminal 32 on the cell under test, so as to realize the positive and negative electrode withstand voltage test.

[0050] After the test is completed, the detection pressing cylinder 30 on the first test station 4 controls the pressure block 31 to drive the contact terminal 32 to press down the contact terminal 32 on the cell under test, so as to realize the OCV, negative-to-shell resistance and voltage test.

[0051] During this process, while the battery cell in front is being tested in the previous procedure, the battery cell behind can simultaneously perform the test in the next procedure. The three stations can be carried out simultaneously, reducing the vacuum period and making the measurement cycle faster.

[0052] After all tests are completed, the transport mechanism begins to transport the battery cells. During this process, the moving Y-axis 11 controls the pressing cylinder 12 to drive the clamping cylinder 13 and the material handling clamp 14 to move. The battery cells are clamped and fixed by the cooperation of the clamping cylinder 13 and the material handling clamp 14.

[0053] During the handling process, the system automatically identifies good products and defective products and places them into the corresponding good product discharge line 9 and defective product discharge line 10 for discharge. Good product discharge line 9 and defective product discharge line 10 can hold multiple products. When the material is full, the machine will sense an alarm and the product will be manually removed.

[0054] Four production lines output three good products and one defective product. In addition, the system's measurement and comparison parameters can be adjusted to meet the needs of different batteries. Defective batteries are automatically rejected. The operation is simple, convenient, and meets the production cycle requirements.

[0055] When replacing battery cells of different sizes, simply loosen the width adjustment handle 29 to adjust the feed width, and then visually reposition the cells to accommodate different battery sizes. The operation is simple and convenient.

[0056] This utility model includes a barcode scanner, a main power supply, and an air source processor on the frame 1. These devices work in conjunction with the battery cell detection. The air source processor mainly filters, dries, regulates, and lubricates the compressed air to ensure the stable operation of the pneumatic system. The use of the aforementioned devices is known prior art and will not be described in detail here.

[0057] In all the solutions mentioned above, the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although the embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

[0058] In all the solutions mentioned above, those involving the operation of electrical components, unless otherwise specified, are controlled by a controller. Since the devices matched with the controllers are common devices, their control principles and circuit connections are existing, well-known, and mature technologies, and their specific circuit structures will not be described in detail here.

[0059] Of all the solutions mentioned above, those involving motors can be combined with reducers if necessary. The connection structure and working principle between the motor and the reducer are existing known technologies, and this utility model will not elaborate on them.

[0060] Of all the solutions mentioned above, those involving the connection between solar panels and batteries can be equipped with essential accessories such as inverters, battery charging controllers, cables, fuses, and brackets. Their control principles and circuit connections are all existing, well-known, and mature technologies, and their specific circuit structures will not be elaborated here.

Claims

1. A battery testing machine comprising a frame (1), characterised in that: A feeding conveyor (2) is provided on one side of the frame (1). A first positioning mechanism is provided on one side of the feeding conveyor (2), and a second positioning mechanism is provided on the other side. A manual feeding assembly line (3) is formed on one side of the feeding conveyor (2). A detection mechanism is provided on one side of the frame (1) in conjunction with the feeding conveyor (2). A first test station (4), a second test station (5), and a third test station (6) are provided on the detection mechanism. An induction switch (7) and a visual positioning information interaction device (8) are provided at the front end of the detection mechanism. A good product discharge line (9) and a defective product discharge line (9) are provided on the frame (1) on one side of the feeding conveyor (2). A handling mechanism is provided on the frame (1) in conjunction with the feeding conveyor (2), the good product discharge line (9), and the defective product discharge line (9).

2. The battery testing machine of claim 1, wherein: The conveying mechanism includes a movable Y-axis (11), which is mounted on the frame (1) and spans the feeding conveyor (2), the good product discharge line (9) and the defective product discharge line (9). A pressing cylinder (12) is movably mounted on the movable Y-axis (11), and a clamping cylinder (13) is fitted at the bottom of the pressing cylinder (12). A material handling clamp (14) is mounted at the bottom of the clamping cylinder (13).

3. The battery testing machine of claim 2, wherein: The movable Y-axis (11) is provided with support frames (15) on both sides and is mounted on the frame (1) through the support frames (15).

4. The battery testing machine of claim 1, wherein: The frame (1) is provided with a cover (16), and the cover (16) is provided with a host computer display screen (17), a PLC control interface (18) and a three-color light (19).

5. The battery testing machine of claim 1, wherein: The first positioning mechanism includes a first mounting frame (20), which is located on one side of the feeding conveyor (2). A first positioning cylinder (21) is provided on the first mounting frame (20), and a cell contact plate (22) is provided at the output end of the first positioning cylinder (21). A guide post (23) is provided between the cell contact plate (22) and the first mounting frame (20).

6. The battery testing machine of claim 5, wherein: The second positioning mechanism includes a second mounting bracket (24), on which a second positioning cylinder (25) is provided. The output end of the second positioning cylinder (25) is provided with a positioning push plate (26), and the positioning push plate (26) is provided with a positioning stop (27).

7. The battery testing machine of claim 1, wherein: It also includes a width adjustment mechanism, which is located on one side of the feeding conveyor (2). The width adjustment mechanism includes a side plate (28) and a width adjustment handle (29) is provided on the side plate (28).

8. The battery testing machine of claim 1, wherein: The first test station (4), the second test station (5) and the third test station (6) all include a detection pressing cylinder (12), and the bottom end of the detection pressing cylinder (12) is provided with a pressure block (31), and the bottom end of the pressure block (31) is provided with a contact terminal (32).

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