Waste power lithium battery capacity detection device and method

Abstract

The invention discloses a waste power lithium battery capacity detection device and method, and particularly relates to the technical field of battery detection.The waste power lithium battery capacity detection device comprises a supporting table, the top of the supporting table is fixedly connected with a fixing base, the top of the supporting table is provided with a battery comprehensive tester, and the top of the fixing base is fixedly connected with a storage box; and the limiting assembly comprises a first electric push rod fixedly connected to the top of the fixing base, the top of the first electric push rod is fixedly connected with a connecting block, and the front side of the connecting block is fixedly connected with a fixing frame. Through cooperation of the limiting assembly and the discharging assembly, the device can be suitable for batteries of various specifications during use, the situation that the device is not suitable for waste lithium batteries during detection due to different specifications of the waste lithium batteries is avoided, the waste lithium batteries can be rapidly screened after detection, the detection efficiency of the device is improved, and the detection efficiency of the device is improved. And through capacity detection and classification of the waste batteries, echelon utilization of the waste batteries is promoted, and resource waste and environmental pollution are further reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of battery detection, and in particular to a device and method for detecting the capacity of waste power lithium batteries. Background Art

[0002] Recycling power lithium batteries is an effective way for electric vehicles to reduce the cost of battery use, but the risk of reusing power lithium batteries is very high, mainly because the technical state of power lithium batteries during reusing is difficult to grasp, and battery capacity is the main technical parameter of the battery. The capacity test of waste power lithium batteries has always been a difficult problem. Power lithium batteries are composed of multiple single lithium batteries. At present, detection devices are often used to test the capacity of waste power lithium batteries. In the prior art, for example, Chinese patent number: CN115575832A, "An automatic detection device for the cascade utilization of waste batteries, comprising a conveying mechanism, a discharging mechanism, a moving mechanism and a detection platform, wherein the discharging mechanism is arranged on one side of the conveying mechanism, the detection platform is fixedly installed between the conveying mechanism and the discharging mechanism, and the moving mechanism is arranged above the detection platform. The present invention pushes the pressing plate downward by the fourth pneumatic telescopic rod to make the conductive touch plate contact the conductive pile head on the lithium battery pack, and conducts conductivity detection on the conductive pile head pressed by the conductive touch plate by a conductivity tester and a powered cable, and judges the battery capacity of the lithium battery pack by the conductivity value detected by the conductivity tester, so that the device can automatically detect the capacity of the waste batteries, avoids the operation of manual battery detection, improves the safety of the device, and allows users to classify the waste batteries according to the different capacities for subsequent cascade utilization of the batteries.

[0003] Although the existing device can classify batteries according to their capacity, it is only applicable to batteries of a single size when in use. Due to the large number of used lithium batteries and their different sizes, it is easy for them to be inapplicable during detection, and it is not convenient to quickly screen them after detection, which affects the detection efficiency of the existing device. Summary of the invention

[0004] The purpose of the present invention is to provide a device and method for detecting the capacity of waste power lithium batteries to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: a device and method for detecting the capacity of waste power lithium batteries, comprising: a support platform, a fixing seat is fixedly connected to the top of the support platform, a battery comprehensive tester is arranged on the top of the support platform, and a storage box is fixedly connected to the top of the fixing seat; The limiting assembly comprises a first electric push rod fixedly connected to the top of the fixing seat, the top of the first electric push rod is fixedly connected to a connecting block, the front side of the connecting block is fixedly connected to a fixing frame, four moving columns are slidably connected through the fixing frame, the right ends of the four moving columns are fixedly connected to a first clamping block, the four first clamping blocks and the two sides close to the fixing frame are fixedly connected to the same first spring, the left side of the fixing frame is fixedly connected to a second electric push rod, the telescopic end of the second electric push rod is fixedly connected to the moving frame, and the front side of the moving frame is fixedly connected to four second clamping blocks; A material unloading component, which includes fixed rods fixedly connected to the left and right sides of the connecting block, the bottoms of the two fixed rods are fixedly connected to the first baffle, the bottoms of the two fixed rods are fixedly connected to the connecting frame, the bottom of the connecting frame is fixedly connected to two second baffles, the front side of the storage box is connected to four material unloading slides, the front ends of the four material unloading slides are connected to the same fixed table, the right side of the fixed table is fixedly connected to the material unloading table, the bottom of the material unloading table is fixedly connected to the material unloading box, and the top of the material unloading table is provided with multiple material unloading troughs.

[0006] Preferably, a third electric push rod is fixedly connected to the left side of the unloading box, a unloading rod is fixedly connected to the telescopic end of the third electric push rod, and the unloading rod abuts against the top of the fixed platform.

[0007] Preferably, the size of the feed chute increases from left to right, a conductive plate is provided in the fixed platform, a second spring is provided on the top of the fixed frame, a conductive touch plate is fixedly connected to the top of the second spring, and the battery comprehensive tester is electrically connected to the conductive plate and the conductive touch plate respectively through two power cables.

[0008] Preferably, the discharge rod is L-shaped, a plurality of collecting bins are provided in the discharge box, a buffer layer is provided in the collecting bin, and the discharge platform is connected to the corresponding collecting bins through a discharge trough.

[0009] Preferably, a buffer pad is provided on one side of the fixed platform, and the bottom of the discharge box is fixedly connected to the top of the support platform.

[0010] Preferably, the first spring is sleeved on the outside of the movable column, and a movable groove is provided in the fixing frame.

[0011] Preferably, the movable frame is slidably connected in the movable groove, and the first clamping block and the second clamping block are concave in shape.

[0012] Preferably, the second baffle plate is slidably connected in the corresponding material unloading slide, the first baffle plate abuts against the corresponding material unloading slide, and the material unloading slide is inclined.

[0013] Preferably, S1, placing the waste lithium battery to be tested in the storage box, and the second baffle blocks the battery, preparing for the next step of operation; S2, start the first electric push rod to drive the connecting block, the fixing frame, the moving frame and other components to move downward. When the first baffle blocks the subsequent battery, the connecting frame continues to drive the second baffle to move downward to release the frontmost battery. The battery slides into the conductive plate on the fixing table and is fixed by the first clamping block and the second clamping block. The fixing frame drives the second spring and the conductive contact plate to continue to move downward until the conductive contact plate contacts the top of the battery. S3, start the second electric push rod to drive the movable frame and the four second clamps to move to the left, limit the battery, start the battery comprehensive tester, and test multiple waste lithium batteries; S4, after the detection is completed, restart the second electric push rod and the first electric push rod, the first clamping block and the second clamping block are relaxed, the fixed frame and the movable frame are restored to their original state under the action of the first electric push rod, the second baffle is re-engaged in the unloading slide, and the first baffle releases the blocking of the subsequent batteries to achieve intermittent loading; S5. Start the third electric push rod to drive the unloading rod to move to the right, move the used batteries to the unloading table, and the batteries fall into the corresponding collection bin through the corresponding unloading trough to complete the automatic screening.

[0014] In the above technical solution, the technical effects and advantages provided by the present invention are: 1. Through the cooperation of the limit assembly and the blanking assembly, the device can be used for batteries of various sizes, avoiding the situation that the device is not applicable during detection due to different specifications of waste lithium batteries. After detection, it can also be quickly screened, which improves the detection efficiency of the device. Through the capacity detection and classification of waste batteries, the cascade utilization of waste batteries is promoted, and resource waste and environmental pollution are further reduced; 2. Through the limit assembly, the device can automatically load materials intermittently and can unload materials by category, which reduces manual operation time and improves the continuity and efficiency of the detection process. It can also limit the position of used batteries during detection to avoid shaking and deviation during detection, thus ensuring the stability of the device's detection and effectively ensuring the detection effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a structural schematic diagram of the connection between the unloading platform and the unloading box of the present invention; Figure 3 It is a structural schematic diagram of the connection between the fixing seat and the material storage box of the present invention; Figure 4 It is a schematic structural diagram of the connection between the third electric push rod and the material discharge rod of the present invention; Figure 5 It is a structural schematic diagram of the connection between the connecting block and the fixing rod of the present invention; Figure 6 It is a structural schematic diagram of the connection between the fixing frame and the second electric push rod of the present invention; Figure 7 It is a schematic structural diagram of the connection between the fixing rod and the first baffle of the present invention.

[0017] Description of reference numerals: 1. Support table; 2. Fixed seat; 3. Battery comprehensive tester; 4. Storage box; 5. First electric push rod; 6. Connecting block; 7. Fixed frame; 8. Moving column; 9. First clamping block; 10. First spring; 11. Second electric push rod; 12. Moving frame; 13. Second clamping block; 14. Fixed rod; 15. First baffle plate; 16. Connecting frame; 17. Second baffle plate; 18. Unloading slide; 19. Fixed table; 20. Unloading table; 21. Unloading box; 22. Unloading trough; 23. Third electric push rod; 24. Unloading rod; 25. Conductive plate; 26. Second spring; 27. Conductive touch plate; 28. Collection bin; 29. ​​Moving trough. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0019] The present invention provides Figures 1 to 7 The device and method for detecting the capacity of a waste power lithium battery shown in the figure include: a support platform 1, a fixing seat 2 is fixedly connected to the top of the support platform 1, a battery comprehensive tester 3 is arranged on the top of the support platform 1, and a storage box 4 is fixedly connected to the top of the fixing seat 2; A limit assembly, the limit assembly includes a first electric push rod 5 fixedly connected to the top of the fixing seat 2, a connecting block 6 fixedly connected to the top of the first electric push rod 5, a fixing frame 7 fixedly connected to the front side of the connecting block 6, four moving columns 8 slidingly connected through the fixing frame 7, the right ends of the four moving columns 8 are all fixedly connected to a first clamping block 9, the four first clamping blocks 9 and the two sides close to the fixing frame 7 are fixedly connected to the same first spring 10, the design of the first spring 10 makes the clamping force adjustable to protect the waste battery from excessive pressure, a second electric push rod 11 fixedly connected to the left side of the fixing frame 7, the telescopic end of the second electric push rod 11 is fixedly connected to the moving frame 12, and the front side of the moving frame 12 is fixedly connected to four second clamping blocks 13; The material unloading component includes a fixed rod 14 fixedly connected to the left and right sides of the connecting block 6, the bottom of the two fixed rods 14 are fixedly connected with a first baffle 15, the bottom of the two fixed rods 14 are fixedly connected with a connecting frame 16, the bottom of the connecting frame 16 is fixedly connected with two second baffles 17, the front side of the storage box 4 is connected with four unloading slides 18, the front ends of the four unloading slides 18 are connected with the same fixed platform 19, the right side of the fixed platform 19 is fixedly connected with a unloading platform 20, the bottom of the unloading platform 20 is fixedly connected with a unloading box 21, and the top of the unloading platform 20 is provided with multiple unloading troughs 22.

[0020] A third electric push rod 23 is fixedly connected to the left side of the discharge box 21, and a discharge rod 24 is fixedly connected to the telescopic end of the third electric push rod 23. The discharge rod 24 abuts against the top of the fixed platform 19. The size of the discharge trough 22 increases from left to right. The size of the discharge trough 22 increases successively, and the batteries can be classified and collected according to their capacity or size to facilitate subsequent processing. A conductive plate 25 is provided in the fixed platform 19, and a second spring 26 is provided on the top of the fixed frame 7. A conductive touch plate 27 is fixedly connected to the top of the second spring 26. The battery comprehensive tester 3 is electrically connected to the conductive plate 25 and the conductive touch plate 27 through two power cables.

[0021] The discharge rod 24 is L-shaped, and a plurality of collecting bins 28 are provided in the discharge box 21. The design of the collecting bins 28 allows batteries of different performance levels to be stored separately for secondary utilization or safe disposal. A buffer layer is provided in the collecting bin 28. The discharge platform 20 is connected to the corresponding collecting bin 28 through the discharge trough 22. A buffer pad is provided on one side of the fixed platform 19. By providing the buffer layer and the buffer pad, the physical damage that may occur to the waste batteries during operation is reduced, thereby ensuring the safety during detection. The bottom of the discharge box 21 is fixedly connected to the top of the support platform 1.

[0022] The first spring 10 is sleeved on the outside of the moving column 8, a moving groove 29 is opened in the fixed frame 7, the moving frame 12 is slidably connected in the moving groove 29, the first clamping block 9 and the second clamping block 13 are concave in shape, the second baffle plate 17 is slidably connected in the corresponding unloading slide 18, the first baffle plate 15 abuts against the corresponding unloading slide 18, and the unloading slide 18 is inclined.

[0023] S1, placing the waste lithium battery to be tested in the storage box 4, and the second baffle 17 blocks the battery, preparing for the next step of operation; S2, start the first electric push rod 5, drive the connecting block 6, the fixing frame 7, the moving frame 12 and other components to move downward, when the first baffle 15 blocks the subsequent battery, the connecting frame 16 continues to drive the second baffle 17 to move downward, release the frontmost battery, the battery slides into the conductive plate 25 on the fixing table 19, and is fixed by the first clamping block 9 and the second clamping block 13, the fixing frame 7 drives the second spring 26 and the conductive contact plate 27 to continue to move downward until the conductive contact plate 27 contacts the top of the battery; S3, start the second electric push rod 11, drive the movable frame 12 and the four second clamping blocks 13 to move to the left, limit the battery, start the battery comprehensive tester 3, and test the multiple waste lithium batteries; S4, after the detection is completed, the second electric push rod 11 and the first electric push rod 5 are restarted, the first clamping block 9 and the second clamping block 13 are relaxed, the fixed frame 7 and the movable frame 12 are restored to their original state under the action of the first electric push rod 5, the second baffle 17 is re-engaged in the unloading slide 18, and the first baffle 15 releases the blocking of the subsequent batteries to achieve intermittent loading; S5, start the third electric push rod 23, drive the unloading rod 24 to move to the right, move the waste batteries to the unloading platform 20, and the batteries fall into the corresponding collecting bin 28 through the corresponding unloading trough 22, completing the automatic screening.

[0024] Working principle: When using the device, firstly, a plurality of used lithium batteries to be tested are placed in the storage box 4. Then, because the interior of the storage box 4 is inclined, the used lithium batteries can reach the unloading slide 18 from the storage box 4 and be blocked by the second baffle 17. Then, the first electric push rod 5 is started. The first electric push rod 5 drives the connecting block 6, the fixed frame 7 and the movable frame 12 to move downward synchronously, and the connecting block 6 can drive the two fixed rods 14, the first baffle 15, the connecting frame 16 and the second baffle 17 to move downward. After the first baffle 15 can block the subsequent used batteries, the connecting frame 16 drives the second baffle 17 to move downward in the unloading slide 18, so that the used batteries at the front can continue to move into the conductive plate 25 on the fixed platform 19 and be in the first clamping block 9 and the second clamping block 13. The fixed frame 7 can drive the second spring 26 and the conductive touch plate 27 to move downward synchronously until the bottom end of the conductive touch plate 27 contacts the top end of the battery. Then, the second electric push rod 11 is started, and the second electric push rod 11 can drive the movable frame 12 and the four second clamping blocks 13 to move leftward in the fixed frame 7 until the multiple waste lithium batteries are limited, and some of the waste lithium batteries can squeeze the first clamping block 9, so that the movable column 8 slides in the fixed frame 7 and compresses the first spring 10, and then the battery comprehensive tester 3 is started, so that the multiple waste lithium batteries can be tested; When the detection is completed, the second electric push rod 11 and the first electric push rod 5 are restarted, so that the first clamping block 9 and the second clamping block 13 can relax the corresponding waste batteries, and the fixed frame 7 and the movable frame 12 are driven to restore to their original state under the action of the first electric push rod 5, and the second baffle 17 can be re-inserted into the unloading slide 18, and the first baffle 15 can release the obstruction to the subsequent batteries, so that they are intermittently blocked by the second baffle 17, so as to achieve the effect of intermittent feeding; Then the third electric push rod 23 is started, and the third electric push rod 23 can drive the unloading rod 24 to move to the right, so that multiple waste batteries can be moved to the unloading platform 20, so that they can pass through the corresponding unloading trough 22 in turn and fall into the corresponding collection bin 28, thereby completing automatic screening.

[0025] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A device for detecting the capacity of waste power lithium batteries, characterized in that: include: A support platform (1), the top of the support platform (1) being fixedly connected to a fixing seat (2), a battery comprehensive tester (3) being provided on the top of the support platform (1), and a material storage box (4) being fixedly connected to the top of the fixing seat (2); A limit assembly, the limit assembly comprising a first electric push rod (5) fixedly connected to the top of the fixing seat (2), the top of the first electric push rod (5) being fixedly connected to a connecting block (6), the front side of the connecting block (6) being fixedly connected to a fixing frame (7), four moving columns (8) being slidably connected through the fixing frame (7), the right ends of the four moving columns (8) being fixedly connected to a first clamping block (9), the four first clamping blocks (9) and the fixing frame (7) being fixedly connected to the same first spring (10) on both sides thereof, the left side of the fixing frame (7) being fixedly connected to a second electric push rod (11), the telescopic end of the second electric push rod (11) being fixedly connected to a moving frame (12), and the front side of the moving frame (12) being fixedly connected to four second clamping blocks (13); A material unloading component, the material unloading component comprises fixed rods (14) fixedly connected to the left and right sides of the connecting block (6), the bottoms of the two fixed rods (14) are fixedly connected to a first baffle (15), the bottoms of the two fixed rods (14) are fixedly connected to a connecting frame (16), the bottoms of the connecting frame (16) are fixedly connected to two second baffles (17), the front side of the material storage box (4) is connected to four material unloading slides (18), the front ends of the four material unloading slides (18) are connected to the same fixed platform (19), the right side of the fixed platform (19) is fixedly connected to a material unloading platform (20), the bottom of the material unloading platform (20) is fixedly connected to a material unloading box (21), and the top of the material unloading platform (20) is provided with a plurality of material unloading troughs (22).

2. A waste power lithium battery capacity detection device according to claim 1, characterized in that: A third electric push rod (23) is fixedly connected to the left side of the material discharge box (21), a material discharge rod (24) is fixedly connected to the telescopic end of the third electric push rod (23), and the material discharge rod (24) abuts against the top of the fixed platform (19).

3. A waste power lithium battery capacity detection device according to claim 1, characterized in that: The size of the material discharge trough (22) increases from left to right. A conductive plate (25) is provided inside the fixing platform (19). A second spring (26) is provided on the top of the fixing frame (7). A conductive touch plate (27) is fixedly connected to the top of the second spring (26). The battery comprehensive tester (3) is electrically connected to the conductive plate (25) and the conductive touch plate (27) respectively through two power cables.

4. A waste power lithium battery capacity detection device according to claim 2, characterized in that: The material discharge rod (24) is L-shaped, a plurality of collecting bins (28) are provided in the material discharge box (21), a buffer layer is provided in the collecting bin (28), and the material discharge platform (20) is connected to the corresponding collecting bins (28) via the material discharge trough (22).

5. A device for detecting the capacity of waste power lithium batteries according to claim 4, characterized in that: A buffer pad is provided on one side of the fixed platform (19), and the bottom of the unloading box (21) is fixedly connected to the top of the support platform (1).

6. A waste power lithium battery capacity detection device according to claim 5, characterized in that: The first spring (10) is sleeved on the outside of the movable column (8), and a movable groove (29) is provided in the fixed frame (7).

7. A waste power lithium battery capacity detection device according to claim 6, characterized in that: The movable frame (12) is slidably connected through the movable groove (29), and the first clamping block (9) and the second clamping block (13) are concave in shape.

8. The device for detecting the capacity of waste power lithium batteries according to claim 1, characterized in that: The second baffle plate (17) is slidably connected to a corresponding material discharge slide (18), the first baffle plate (15) abuts against the corresponding material discharge slide (18), and the material discharge slide (18) is inclined.

9. A method for detecting the capacity of waste power lithium batteries according to claim 8, characterized in that: S1, placing the waste lithium battery to be tested in the storage box (4), and the second baffle (17) blocks the battery, preparing for the next step of operation; S2, starting the first electric push rod (5), driving the connecting block (6), the fixing frame (7), the moving frame (12) and other components to move downward, when the first baffle (15) blocks the subsequent batteries, the connecting frame (16) continues to drive the second baffle (17) to move downward, releasing the frontmost battery, the battery slides into the conductive plate (25) on the fixing platform (19), and is fixed by the first clamping block (9) and the second clamping block (13), the fixing frame (7) drives the second spring (26) and the conductive contact plate (27) to continue to move downward until the conductive contact plate (27) contacts the top of the battery; S3, starting the second electric push rod (11), driving the movable frame (12) and the four second clamping blocks (13) to move to the left, limiting the position of the battery, starting the battery comprehensive tester (3), and testing the multiple waste lithium batteries; S4, after the detection is completed, the second electric push rod (11) and the first electric push rod (5) are restarted, the first clamping block (9) and the second clamping block (13) are relaxed, the fixed frame (7) and the movable frame (12) are restored to their original state under the action of the first electric push rod (5), the second baffle (17) is re-engaged in the unloading slide (18), and the first baffle (15) releases the obstruction to the subsequent batteries, thereby realizing intermittent loading; S5, starting the third electric push rod (23), driving the unloading rod (24) to move rightward, moving the waste batteries to the unloading platform (20), and the batteries fall into the corresponding collecting bin (28) through the corresponding unloading trough (22), completing the automatic screening.

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