A sorting mechanism for solid-state battery performance testing

Abstract

This invention discloses a sorting mechanism for solid-state battery performance testing, relating to the field of battery performance testing technology. It includes a conveying assembly for transporting battery bodies, a battery placement rack for positioning the battery bodies, and two sets of first and second detection assemblies for testing the battery body performance on both sides of the conveying assembly. In this sorting mechanism for solid-state battery performance testing, when the air supply cavity is compressed, some gas pushes the air supply pipe to slide within the connecting cylinder. This causes the connecting cylinder to move the connecting seat and drive rod. The drive rod slides within the drive frame, causing the air supply cylinder to oscillate slightly around its rotation axis. This oscillation allows the outlet end of the air supply cylinder to adjust the blowing angle within a certain range, thereby more comprehensively covering the surface of the battery body, improving the dust removal effect, and avoiding blind spots in the blowing process.

Description

Technical Field

[0001] This invention relates to the field of battery performance testing technology, specifically a sorting mechanism for solid-state battery performance testing. Background Technology

[0002] Solid-state batteries offer significant advantages over traditional liquid batteries, including higher energy density, better safety, and longer cycle life, making them a crucial future development direction in the new energy field. However, maintaining consistent performance parameters is paramount in the manufacturing process of solid-state batteries, directly impacting yield, safety, and reliability in subsequent applications. Therefore, efficient and precise performance testing and sorting of solid-state batteries are indispensable key steps in their industrialization.

[0003] Existing technology 1 (Chinese patent with announcement number CN201791679U, announcement date 2011-04-13) discloses a battery product testing and sorting machine, comprising: a feeding device, a short-circuit testing and sorting device, a station turntable, a leak testing device, a leak testing and sorting device, a weighing device, a weighing and unloading device, and a weighing and sorting device. The leak testing device is installed on a table on one side of the leak testing station; the short-circuit testing and sorting device is installed on a worktable on one side of the short-circuit testing qualified product placement station; the feeding device and short-circuit placement area are located in front of the short-circuit testing and sorting device; the leak testing and sorting device is located on one side of the leak testing and unloading station; a leak-prone product placement area and a leak-prone product conveying trough are located on the worktable in front of the sorting device; a weighing device is installed at the outlet end of the leak-prone product conveying trough; a weighing and unloading device is installed in front of or behind the weighing device; and a weighing and sorting device is installed on one side between the weighing device and the conveying device. This machine not only performs multi-faceted testing but also sorts batteries of different standards, resulting in high work efficiency.

[0004] There is also prior art 2 (Chinese patent with announcement number CN202921576U and announcement date of 2013-05-08) which describes a battery pack sorting system, including: a battery capacity testing device connected to a central processing unit (CPU) for testing battery capacity; a CPU connected to an automatic sorting machine and an internal resistance and voltage testing device, for receiving data from the battery capacity testing device and the internal resistance and voltage testing device, sorting and grouping the batteries according to preset grading and grouping standards, and controlling the automatic sorting machine to select batteries in the same group; an internal resistance and voltage testing device for testing the internal resistance and voltage of the batteries; and an automatic sorting machine for selecting batteries in the same group. The data processing of battery testing is standardized, and the accuracy of sorting is improved. The introduction of the CPU software system and the automatic sorting machine reduces the intensity of manual labor while improving work efficiency and product quality, and is conducive to large-scale production with a wide range of applications.

[0005] Existing battery performance testing and sorting facilities are prone to contamination of components such as testing probes with dust, metal shavings, or tiny particles from detached battery electrodes during battery electrical performance testing. These contaminants not only affect the stability of the testing contact and the accuracy of the test data, but long-term accumulation may also damage the testing components. At the same time, impurities may also adhere to the surface of the battery to be tested. If not cleaned in time, these impurities will also interfere with the test results and may even cause secondary pollution during subsequent handling and sorting processes.

[0006] Therefore, we propose a sorting mechanism for solid-state battery performance testing to address the problems mentioned above. Summary of the Invention

[0007] The purpose of this invention is to provide a sorting mechanism for solid-state battery performance testing, in order to solve the problem mentioned in the background art that the detection probes and other components currently on the market are easily contaminated by dust, metal debris, or tiny particles detached from battery electrodes in the production environment. These contaminants not only affect the stability of the detection contact and the accuracy of the detection data, but long-term accumulation may also damage the detection components. At the same time, impurities may also adhere to the surface of the battery body to be tested, which, if not cleaned in time, will also interfere with the test results.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a sorting mechanism for solid-state battery performance testing, comprising a conveying assembly for conveying battery bodies, a battery placement rack for limiting the placement of battery bodies on the conveying assembly, and a first detection assembly and a second detection assembly for testing the performance of battery bodies on the left and right sides of the conveying assembly, each having two sets of the first detection assembly and the second detection assembly, a fixing frame fixedly connected to the side of the conveying assembly, and a mounting plate fixedly connected to the side of the fixing frame, the mounting plate being provided with an air supply mechanism, the air supply mechanism achieving dust removal treatment of the first detection assembly and the battery bodies through the shape change of the air supply soft cavity it contains.

[0009] Preferably, a telescopic cylinder is fixedly connected to the side of the fixed frame, and a connecting plate is fixedly connected to the output end of the telescopic cylinder. The connecting plate is located on the upper surface of the mounting plate, and the lower surface of the connecting plate is fixedly connected to the first detection component.

[0010] Preferably, the gas supply mechanism includes a twisted rod, which is rotatably connected to the mounting plate. A fixing sleeve is fixedly connected to the lower surface of the connecting plate, and the fixing sleeve and the twisted rod are connected by threads. A half gear is fixedly connected to the lower end of the twisted rod.

[0011] Preferably, a linkage shaft is rotatably connected to the mounting plate, and a gear body is fixedly connected to the lower end of the linkage shaft. Two sets of linkage shafts are symmetrically distributed about the center point of the twist rod. The gear body and the half gear mesh with each other. A contact plate is fixedly connected to the upper end of the linkage shaft, and a torsion spring is fixedly connected between the lower surface of the contact plate and the upper surface of the mounting plate.

[0012] Preferably, the air supply soft cavity is fixedly connected to the upper surface of the mounting plate, and two sets of air supply soft cavities are symmetrically distributed about the center point of the twisted rod. A connecting hose is connected through the upper surface of the air supply soft cavity, and an upper connecting pipe is fixedly connected to the lower surface of the connecting plate. The upper connecting pipe is connected to the connecting hose, and the air outlet of the upper connecting pipe is set towards the detection end of the first detection component.

[0013] Preferably, the air supply mechanism further includes an air supply cylinder, which is rotatably connected to the mounting plate, with the air outlet of the air supply cylinder facing the side of the conveying assembly, and a side connecting hose is connected through the lower side of the air supply cylinder and the air supply cavity.

[0014] Preferably, a drive frame is fixedly connected to the rear side of the air supply cylinder, and a drive rod is slidably connected inside the drive frame, with a connecting seat fixedly connected to the lower end of the drive rod.

[0015] Preferably, an air supply pipe is connected through the side of the air supply cavity, and a connecting cylinder is sleeved on the outside of the air supply pipe, and the air supply pipe and the connecting cylinder are sealed together.

[0016] Preferably, one end of the connecting cylinder is fixedly connected to the connecting seat, and the other end of the connecting cylinder is fixedly connected to the air supply cavity with a reset spring.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] (1) The first detection component and the second detection component are set in two sets in sequence, which can perform multi-stage and multi-dimensional tests on multiple performance parameters of the battery body to ensure the comprehensiveness and accuracy of the test results. When the conveying component transports the battery placement rack and the battery body therein to the detection position of the first detection component, the telescopic cylinder is activated, pushing the connecting plate to drive the first detection component to approach the battery body, so as to realize the preliminary performance parameter detection.

[0019] (2) During the movement of the first detection component, the fixed sleeve on the lower surface of the connecting plate and the twist rod are threaded together, driving the twist rod to rotate. Then, through the meshing transmission of the half gear and the gear body, the linkage shaft and the upper contact plate are driven to overcome the elastic force of the torsion spring and deflect, squeezing the air supply soft cavity. After the air supply soft cavity is compressed, the internal gas enters the upper connecting pipe through the connecting hose and is sprayed out from the air outlet of the upper connecting pipe, directly acting on the detection end of the first detection component, timely removing dust or impurities that may be attached to the detection end, and avoiding interference with the detection accuracy.

[0020] (3) Some of the gas in the gas supply cavity also enters the gas supply cylinder through the side connecting hose. The gas sprayed from the gas outlet of the gas supply cylinder can clean the surface of the battery body on the conveying component, ensuring that the surface of the battery body remains clean when it enters the subsequent second detection component for detection, further ensuring the reliability of the detection data.

[0021] (4) When the air supply soft cavity is compressed, some of the gas will push the air supply pipe to slide in the connecting cylinder, so that the connecting cylinder drives the connecting seat and the drive rod to move. The drive rod slides in the drive frame, which in turn drives the air supply cylinder to swing around its rotation axis. This swing allows the air outlet of the air supply cylinder to adjust the blowing angle within a certain range, thereby covering the surface of the battery body more comprehensively, improving the dust removal effect, and avoiding the occurrence of blowing dead corners.

[0022] (5) When the telescopic cylinder drives the connecting plate and the first detection component to reset, the contact plate returns to its initial position under the reset action of the torsion spring and no longer squeezes the air supply soft cavity. The air supply soft cavity returns to its original state under the combined action of its own elasticity and the reset spring, and draws in air from the outside through the air supply pipe to reserve gas for the next dust cleaning operation. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the fixing frame of the present invention;

[0025] Figure 3 This is a three-dimensional structural diagram of the telescopic cylinder of the present invention;

[0026] Figure 4 For the present invention Figure 3 Enlarged structural diagram at point A in the middle;

[0027] Figure 5 This is a schematic diagram of the three-dimensional structure of the half-gear of the present invention;

[0028] Figure 6 This is a schematic diagram of the three-dimensional structure of the twisted rod of the present invention;

[0029] Figure 7 This is a schematic diagram of the three-dimensional structure of the contact plate of the present invention;

[0030] Figure 8 For the present invention Figure 7 Enlarged structural diagram at point B;

[0031] Figure 9 This is a three-dimensional cross-sectional view of the connecting cylinder of the present invention;

[0032] Figure 10 This is a schematic diagram of the three-dimensional structure of the air supply cylinder of the present invention.

[0033] In the diagram: 1. Conveying assembly; 2. Battery rack; 3. Battery body; 4. Fixing frame; 5. First detection assembly; 6. Second detection assembly; 7. Telescopic cylinder; 8. Mounting plate; 9. Connecting plate; 10. Twisted rod; 11. Fixing sleeve; 12. Gear body; 13. Linkage shaft; 14. Half gear; 15. Torsion spring; 16. Contact plate; 17. Air supply cylinder; 18. Air supply flexible cavity; 19. Upper connecting pipe; 20. Side connecting hose; 21. Air supply pipe; 22. Connecting cylinder; 23. Reset spring; 24. Connecting hose; 25. Connecting seat; 26. Drive frame; 27. Drive rod. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Example 1: As Figure 1 - Figure 3 The present invention provides the following technical solution: a sorting mechanism for solid-state battery performance testing, comprising a conveying assembly 1 for conveying a battery body 3, a battery placement rack 2 for limiting the placement of the battery body 3 on the conveying assembly 1, and a first detection assembly 5 and a second detection assembly 6 for testing the performance of the battery body 3 on the left and right sides of the conveying assembly 1, and each of the first detection assembly 5 and the second detection assembly 6 is provided in two sets, a telescopic cylinder 7 is fixedly connected to the side of the fixing frame 4, and a connecting plate 9 is fixedly connected to the output end of the telescopic cylinder 7, and the connecting plate 9 is located on the upper surface of the mounting plate 8, while the lower surface of the connecting plate 9 is fixedly connected to the first detection assembly 5.

[0036] After the battery body 3 completes the tests of the first detection component 5 and the second detection component 6, the conveying component 1 continues to convey it to the detection area of ​​the next first detection component 5 and the second detection component 6. The second detection component 6 and the first detection component 5 move closer to and further away from the battery body 3 through corresponding drive mechanisms to complete the detection of other key performance parameters of the battery body 3. The coordinated work of the two sets of detection components can systematically evaluate multiple indicators such as voltage, internal resistance, capacity, and cycle life of solid-state batteries, providing sufficient data support for subsequent sorting.

[0037] Example 2: Figure 3 - Figure 6 The present invention provides the following technical solution: a sorting mechanism for solid-state battery performance testing, wherein a fixed frame 4 is fixedly connected to the side of the conveying component 1, and a mounting plate 8 is fixedly connected to the side of the fixed frame 4. An air supply mechanism is provided on the mounting plate 8. The air supply mechanism achieves dust removal treatment of the first detection component 5 and the battery body 3 through the shape change of its included air supply soft cavity 18. The air supply mechanism includes a twisted rod 10, which is rotatably connected to the mounting plate 8. A fixed sleeve 11 is fixedly connected to the lower surface of the connecting plate 9, and the fixed sleeve 11 and the twisted rod 10 are connected by a thread. A half gear 14 is fixedly connected to the lower end of the twisted rod 10. A linkage shaft 13 is rotatably connected to the mounting plate 8, and the lower end of the linkage shaft 13 is fixedly connected to the half gear 14. A gear body 12 is fixedly connected, and two sets of linkage shafts 13 are symmetrically distributed about the center point of the twist rod 10. The gear body 12 and the half gear 14 mesh with each other. A contact plate 16 is fixedly connected to the upper end of the linkage shaft 13, and a torsion spring 15 is fixedly connected between the lower surface of the contact plate 16 and the upper surface of the mounting plate 8. An air supply soft cavity 18 is fixedly connected to the upper surface of the mounting plate 8, and two sets of air supply soft cavities 18 are symmetrically distributed about the center point of the twist rod 10. A connecting hose 24 is connected through the upper surface of the air supply soft cavity 18. An upper connecting pipe 19 is fixedly connected to the lower surface of the connecting plate 9, and the upper connecting pipe 19 is connected to the connecting hose 24. The air outlet of the upper connecting pipe 19 is set towards the detection end of the first detection component 5.

[0038] When the connecting plate 9 moves the first detection component 5 toward the battery body 3 under the drive of the telescopic cylinder 7, the fixing sleeve 11 on the lower surface of the connecting plate 9 moves accordingly. Since the fixing sleeve 11 is threadedly connected to the twisted rod 10, and the twisted rod 10 is rotatably connected to the mounting plate 8, the linear motion of the fixing sleeve 11 is converted into the rotational motion of the twisted rod 10. The rotation of the twisted rod 10 drives the half gear 14 at its lower end to rotate synchronously. The half gear 14 alternately meshes with the gear bodies 12 symmetrically distributed on both sides. When the half gear... When wheel 14 meshes with the gear body 12 on one side, it will drive the gear body 12 and the linkage shaft 13 fixedly connected to it to rotate. The rotation of the linkage shaft 13 causes the upper contact plate 16 to deflect against the elastic force of the torsion spring 15. The deflected contact plate 16 squeezes the air supply soft cavity 18 below it. The air supply soft cavity 18 is made of elastic material. Under the pressure of the contact plate 16, its internal volume decreases, and the gas in the cavity is forced into the upper connecting pipe 19 through the connecting hose 24 connected to the upper surface. The air outlet of the upper connecting pipe 19 is precisely oriented towards the detection end of the first detection component 5. Therefore, the airflow ejected from the air outlet can directly blow onto the key parts such as the sensor or probe at the detection end, effectively removing dust, small particles and other impurities attached to their surface. This prevents these impurities from affecting the transmission of the detection signal or causing poor contact with the battery body 3, thereby ensuring that the first detection component 5 is in a clean state before each detection and ensuring the accuracy of the detection data. When the half gear 14 rotates to mesh with the gear body 12 on the other side, it similarly drives the linkage shaft 13 and the contact plate 16 on the other side to move, squeezing the air supply soft cavity 18 on the other side, thereby achieving the dust cleaning treatment of the detection end of the other set of first detection components 5. The two sets of air supply soft cavities 18 work alternately, which can correspond to the two sets of first detection components 5 respectively to achieve the dust cleaning operation.

[0039] Example 3: Figure 6 - Figure 10 The present invention provides the following technical solution: a sorting mechanism for solid-state battery performance testing, wherein the gas supply mechanism further includes a gas supply cylinder 17, which is rotatably connected to the mounting plate 8, and the gas outlet end of the gas supply cylinder 17 is arranged facing the conveying assembly 1. A side connecting hose 20 is connected through the lower side of the gas supply cylinder 17 and the gas supply flexible cavity 18. A drive frame 26 is fixedly connected to the rear side of the gas supply cylinder 17, and a drive rod 27 is slidably connected inside the drive frame 26. A connecting seat 25 is fixedly connected to the lower end of the drive rod 27. A gas supply pipe 21 is connected through the side of the gas supply flexible cavity 18, and a connecting cylinder 22 is sleeved on the outer side of the gas supply pipe 21. The gas supply pipe 21 and the connecting cylinder 22 are sealed together. One end of the connecting cylinder 22 is fixedly connected to the connecting seat 25, and a reset spring 23 is fixedly connected to the other end of the connecting cylinder 22 and the gas supply flexible cavity 18.

[0040] When the air supply cavity 18 is squeezed by the contact plate 16, some of the gas inside, in addition to entering the upper connecting pipe 19 through the connecting hose 24, also flows to the air supply cylinder 17 through the side connecting hose 20. The air outlet of the air supply cylinder 17 is directly facing the battery placement rack 2 on the conveying assembly 1. Therefore, after the gas is sprayed out from the air supply cylinder 17, it can directly act on the surface of the battery body 3. This airflow can blow away dust, debris and other contaminants that may have been picked up by the battery body 3 during the conveying process, ensuring that the surface of the battery body 3 is clean and preventing these contaminants from adversely affecting the test results when the second testing assembly 6 performs subsequent testing. During the compression of cavity 18, the air supply pipe 21 on its side slides outward along the inner wall of connecting cylinder 22 under the action of internal air pressure. Since one end of connecting cylinder 22 is fixedly connected to connecting seat 25, and connecting seat 25 is fixed to drive rod 27, the movement of connecting cylinder 22 will drive drive rod 27 to move synchronously. The upper end of drive rod 27 is slidably connected to drive frame 26 on the rear side of air supply cylinder 17. When drive rod 27 moves, it will generate relative sliding in drive frame 26, thereby applying a pushing or pulling force to drive frame 26, causing air supply cylinder 17 to swing back and forth slightly around its rotation axis with mounting plate 8. The oscillation allows the air outlet of the air supply cylinder 17 to perform a scanning sweep within a certain angle range, rather than blowing air at a fixed point or a small area. This allows for more comprehensive coverage of the upper surface of the battery body 3, and can even reach the corners of the battery. This effectively eliminates dead zones that may exist in fixed-direction blowing, significantly improving the dust removal effect on the surface of the battery body 3. When the telescopic cylinder 7 drives the connecting plate 9 and the first detection component 5 to reset, the fixed sleeve 11 moves upward with the connecting plate 9. The threaded engagement with the twist rod 10 causes the twist rod 10 to rotate in the opposite direction, and the half gear 14 also rotates in the opposite direction. At this time, the torque spring... The elastic restoring force of spring 15 begins to act, driving the linkage shaft 13 and the contact plate 16 back to their initial positions. The squeezing effect of the contact plate 16 on the air supply cavity 18 disappears. The air supply cavity 18 itself has good elasticity and will begin to expand and return to its original shape under the action of its own elastic force. At the same time, under the pulling force of the reset spring 23, the connecting cylinder 22 drives the air supply pipe 21 to move into the air supply cavity 18, so that the air inlet end of the air supply pipe 21 draws in air from the external environment. This air is drawn into the air supply cavity 18 to complete the gas replenishment and reserve sufficient air source for the next dust cleaning operation of the first detection component 5 and the battery body 3.

[0041] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A sorting mechanism for solid-state battery performance testing, comprising a conveying assembly (1) for conveying a battery body (3), wherein the conveying assembly (1) is provided with a battery placement rack (2) for positioning the battery body (3), and a first detection assembly (5) and a second detection assembly (6) for testing the performance of the battery body (3) are provided on the left and right sides of the conveying assembly (1), and two sets of each of the first detection assembly (5) and the second detection assembly (6) are provided, characterized in that, The side of the conveying component (1) is fixedly connected to a fixing frame (4), and the side of the fixing frame (4) is fixedly connected to a mounting plate (8). The mounting plate (8) is provided with an air supply mechanism. The air supply mechanism achieves the cleaning treatment of the first detection component (5) and the battery body (3) by changing the shape of the air supply soft cavity (18) it contains. The air supply mechanism also includes an air supply cylinder (17), which is rotatably connected to the mounting plate (8). The air outlet of the air supply cylinder (17) faces the conveying assembly (1). A side connecting hose (20) is connected between the lower side of the air supply cylinder (17) and the air supply cavity (18). A drive frame (26) is fixedly connected to the rear side of the air supply cylinder (17), and a drive rod (27) is slidably connected inside the drive frame (26). The lower end of the rod (27) is fixedly connected to a connecting seat (25). The side of the air supply soft cavity (18) is connected to an air supply pipe (21). A connecting sleeve (22) is sleeved on the outside of the air supply pipe (21). The air supply pipe (21) and the connecting sleeve (22) are sealed together. One end of the connecting sleeve (22) is fixedly connected to the connecting seat (25). The other end of the connecting sleeve (22) is fixedly connected to the air supply soft cavity (18) with a reset spring (23).

2. The sorting mechanism for solid-state battery performance testing according to claim 1, characterized in that: The side of the fixed frame (4) is fixedly connected to a telescopic cylinder (7), and the output end of the telescopic cylinder (7) is fixedly connected to a connecting plate (9). The connecting plate (9) is located on the upper surface of the mounting plate (8), and the lower surface of the connecting plate (9) is fixedly connected to the first detection component (5).

3. The sorting mechanism for solid-state battery performance testing according to claim 2, characterized in that: The gas supply mechanism includes a twisted rod (10), which is rotatably connected to the mounting plate (8). A fixing sleeve (11) is fixedly connected to the lower surface of the connecting plate (9), and the fixing sleeve (11) and the twisted rod (10) are connected by a thread. A half gear (14) is fixedly connected to the lower end of the twisted rod (10).

4. The sorting mechanism for solid-state battery performance testing according to claim 3, characterized in that: The mounting plate (8) is rotatably connected to a linkage shaft (13), and the lower end of the linkage shaft (13) is fixedly connected to a gear body (12). The linkage shaft (13) is symmetrically distributed with two sets about the center point of the twist rod (10). The gear body (12) meshes with the half gear (14). The upper end of the linkage shaft (13) is fixedly connected to an abutment plate (16), and a torsion spring (15) is fixedly connected between the lower surface of the abutment plate (16) and the upper surface of the mounting plate (8).

5. A sorting mechanism for solid-state battery performance testing according to claim 4, characterized in that: The air supply soft cavity (18) is fixedly connected to the upper surface of the mounting plate (8), and two sets of air supply soft cavities (18) are symmetrically distributed about the center point of the twist rod (10). A connecting hose (24) is connected through the upper surface of the air supply soft cavity (18). An upper connecting pipe (19) is fixedly connected to the lower surface of the connecting plate (9), and the upper connecting pipe (19) is connected to the connecting hose (24). The air outlet of the upper connecting pipe (19) is set towards the detection end of the first detection component (5).

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