Lithium battery cruising ability detection device

By simulating mechanical stress and environmental conditions in the lithium battery life detection device, the problem of inaccurate results of the existing detection device is solved, and the effect of more accurate and comprehensive evaluation of the lithium battery life is achieved.

CN119689295AInactive Publication Date: 2025-03-25JIANGSU CHEJINGTU NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510002172.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-03-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing lithium battery life detection device lacks the mechanical stress and environmental conditions of simulated batteries in actual use, resulting in inaccurate and comprehensive detection results.

Method used

A lithium battery life capacity detection device is designed, including a detection box, a vibration bearing table, a docking platform and a shaped frame. By simulating the vibration environment, external impact, high temperature and high humidity and other conditions, the battery life capacity is evaluated.

Benefits of technology

By simulating the actual usage environment, the battery life of the lithium battery can be more accurately evaluated and the accuracy and comprehensiveness of the detection results can be improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the field of battery detection, and provides a lithium battery endurance detection device, which comprises a detection box, a vibration bearing platform, a butt joint platform and a [-shaped frame, and is characterized in that the detection box is of a semi-open structure, the outer side wall of the detection box is provided with a control display screen, the inner side of the detection box is provided with the vibration bearing platform, and the outer side wall of the detection box is provided with the control display screen; a battery detection platform is placed on the vibration bearing platform in a limiting manner, the battery detection platform is connected with a control display screen through a power line, and a butt joint platform is movably arranged in the detection box and located on one side of the vibration bearing platform; the vibration bearing platform, the striking assembly, the electric heating assembly and the wetting assembly are arranged in the detection box, mechanical stress and environmental conditions of the battery in actual use can be simulated, and parameters such as voltage, current and internal resistance of the battery in the vibration process are monitored through the battery detection platform in the simulation process; therefore, the potential influence on the cruising ability is evaluated, and the accuracy and comprehensiveness of the detection result are ensured.
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Description

Technical Field

[0001] The invention belongs to the field of battery detection, in particular to a lithium battery endurance detection device. Background Art

[0002] Lithium battery endurance testing is an evaluation of the continuous power output that a lithium battery can provide under specific conditions. Endurance testing can accurately measure the amount of charge that a lithium battery can release under specific conditions, thereby confirming whether the battery capacity meets the design requirements and expected standards. This is one of the key indicators for measuring lithium battery performance.

[0003] Existing battery life detection devices usually use continuous flow discharge test, which continuously discharges until the voltage reaches the set threshold, records the charge and discharge data, and calculates the battery capacity. Alternatively, a professional battery test platform is used to simulate the battery charge and discharge process, and records the voltage and current changes of the battery at different stages, so as to calculate the actual capacity of the battery.

[0004] However, in the process of testing the battery's endurance, there is a lack of simulation of the mechanical stress and environmental conditions of the battery in actual use to indirectly evaluate its potential impact on the endurance, resulting in inaccurate and comprehensive results obtained during the testing process.

[0005] Therefore, those skilled in the art have proposed a lithium battery life detection device to solve the problems raised by the background technology. Summary of the invention

[0006] In order to solve the above technical problems, the present invention provides a lithium battery battery life detection device to solve the problems in the prior art of lacking simulation of the mechanical stress and environmental conditions of the battery in actual use to indirectly evaluate its potential impact on the battery life, resulting in inaccurate and incomplete results obtained during the detection process.

[0007] A lithium battery endurance detection device, comprising:

[0008] The detection box is configured as a semi-open structure, and a control display screen is installed on its outer side wall;

[0009] The vibration bearing platform is located inside the test box, and a battery test platform is placed on its upper limit, and the battery test platform is connected to the control display screen through a power cord;

[0010] A docking platform, which is movably arranged in the test box on one side of the vibration bearing platform, and a moving mechanism is arranged at the bottom thereof, which is used for docking operation with the vibration bearing platform when the battery test platform is transposed; and

[0011] The C-shaped frame is movably arranged at one end of the inner wall of the detection box. Electric heating components and humidity components are respectively arranged on the outer sides of its two horizontal sections. A striking component is movably arranged on its inner side. A rotating mechanism for driving its rotation is arranged on the outer side of its vertical end.

[0012] Preferably, the vibration bearing platform includes a fixed seat, a moving frame, a moving plate, an eccentric component, a top plate and a limiting component. Fixed plates are symmetrically arranged at both ends of the top of the fixed seat. The moving frame is movably arranged between the two fixed plates. Cross beams are connected to the four corners on both sides of the moving frame. One end of each cross beam passes through the corresponding fixed plate and is connected with an anti-disengagement plate. Spring a is sleeved on the cross beam and is located between the moving frame and the fixed plate. Vertical beams are symmetrically arranged on both sides inside the moving frame. The moving plate is slidably arranged between the two vertical beams. Spring b that abuts against the moving plate is sleeved on both ends of the outer side of the vertical beam. An eccentric component is arranged on the outer side of the moving plate. The bottom of the moving plate is connected with a top plate through a support column. A limiting component for moving and limiting the battery detection platform is arranged on the top plate.

[0013] Preferably, the eccentric component includes a horizontal shaft, a semi-wheel, motor a, a rotating shaft, a main pulley, a driven pulley and a belt. Two groups of horizontal shafts penetrate through the middle of the moving plate in a rotating manner. Both ends of the two groups of horizontal shafts are connected with semi-wheels. The four semi-wheels are arranged in pairs diagonally. Motor a is installed in the middle of one side of the moving plate. Its output end passes through the moving plate and is connected with a rotating shaft. Two groups of main pulleys are connected to the rotating shaft. Driven pulleys are connected to the two groups of horizontal shafts in a staggered manner. A belt is arranged for transmission between the two groups of driven pulleys and the two groups of main pulleys.

[0014] Preferably, the limiting component includes motor b, a lead screw, a connecting plate, clamp plate a, an electric push rod, a bent rod and clamp plate b. A groove is opened on the top plate. The lead screw is rotatably arranged in the groove. Motor b is installed at one end of the top plate. Its output end extends into the groove and is connected with the lead screw. A connecting plate that is threadedly connected with the lead screw is also slidably arranged in the groove. The connecting plate is arranged in an L-shaped structure. One end of it extends above the top plate and is connected with clamp plate a. An electric push rod is installed at one end of the bottom of the top plate. The output end of the electric push rod is connected with a bent rod. One end of the bent rod passes through the top plate and is connected with clamp plate b. The battery detection platform is located between clamp plate a and clamp plate b.

[0015] Preferably, the docking platform includes a moving seat and a flat plate. Two groups of guide rails are symmetrically arranged at the bottom inside the detection box. The moving seat is slidably arranged between the two groups of guide rails. A vertical post is arranged on the top of the moving seat. A flat plate is arranged on the top of the vertical post.

[0016] Preferably, the moving mechanism includes motor c and a threaded rod. Motor c is installed at the bottom of one end of the detection box. Its output end extends into the inside of the detection box and is connected with the threaded rod. The moving seat is threadedly connected with the threaded rod.

[0017] Preferably, the rotating mechanism includes a hollow shaft, a motor d, a worm gear, and a worm. The hollow shaft is rotatably arranged at one end of the inner wall of the detection box, and its end is connected to the C-shaped frame. A worm gear is arranged in the middle of it. A motor d is installed at one end of the outer wall of the detection box, and the output end of the motor d extends into the detection box and is connected with a worm, and the worm is meshed and connected with the worm gear.

[0018] Preferably, the electric heating component includes a hydraulic cylinder, a T-shaped plate, and an electric heating coil. Earmuffs are symmetrically arranged on both sides of the top of the C-shaped frame. The hydraulic cylinder is installed between the two earmuffs, and its piston end passes through the corresponding earmuff and is connected with a T-shaped plate located outside the C-shaped frame. An electric heating coil is arranged on the horizontal section of the T-shaped plate.

[0019] Preferably, the humidifying component includes a pump body, a hose, an atomizing pipe, and a nozzle. The atomizing pipe is connected to the side of the C-shaped frame背离 the electric heating coil through a mounting pipe, and multiple groups of nozzles are linearly and equidistantly connected to its side. The pump body is installed on the top of the detection box, its water inlet end is connected to an external water tank, and its water outlet pipe is connected with a hose. One end of the hose passes through the detection box and is communicated with the atomizing pipe.

[0020] Preferably, the striking component includes a coupling shaft, a motor e, a main bevel gear, a driven bevel gear, a turntable, a connecting rod, a spring c, a moving rod, and a striking block. One end of the inner wall of the detection box is rotatably connected with a coupling shaft located inside the hollow shaft. One end of the coupling shaft passes through the C-shaped frame and is connected with a turntable. The motor e is installed on one side of the inner wall of the C-shaped frame, and its output end is connected with a main bevel gear. A driven bevel gear is meshed on one side of the main bevel gear, and the driven bevel gear is installed on the coupling shaft;

[0021] A rotating rod is rotatably arranged at the eccentric position on the side of the turntable. One end of the rotating rod is rotatably arranged with a connecting rod. A limiting frame is arranged at the bottom of the C-shaped frame, and the connecting rod is slidably connected with the limiting frame. A receiving groove is opened at the bottom end of the connecting rod, and a sliding plate is slidably arranged in the receiving groove. A spring c is connected between the top of the sliding plate and the groove wall of the receiving groove. The bottom of the sliding plate is connected with a moving rod, and the bottom end of the moving rod is connected with a striking block.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. By arranging a vibration bearing platform in the detection box, the present invention uses the limiting component to limit and place the battery detection platform on the top plate. The eccentric component can drive the moving plate to shake up and down and left and right. During the sliding process, the top plate is driven to shake synchronously through the support column, which can simulate the vibration environment that the battery may encounter during transportation and use. During the simulation process, the battery detection platform is used to monitor parameters such as voltage, current, and internal resistance of the battery during vibration to evaluate its potential impact on the battery life.

[0024] 2. The present invention can push the battery detection platform on the top plate to the docking platform through the limit assembly, and then use the mobile mechanism to move the docking platform to the bottom of the triangle frame, and use the striking assembly to strike the battery in the detection state from above, so as to simulate the situation of the battery when it is subjected to external impact. The safety and stability of the battery under different impact conditions can be evaluated. After the striking, the battery can be checked for leakage, deformation or damage, and its remaining capacity can be measured to evaluate the battery life.

[0025] 3. The present invention adjusts the angle of the V-shaped frame through a rotating mechanism so that the electric heating components and the wet components on different sides of the V-shaped frame face the battery detection platform. The hydraulic cylinder and the T-shaped plate can be used to drive the electric heating coil close to the battery. The pump body, hose, atomization tube and nozzle are used to simulate the battery working in a high humidity environment. The battery detection platform monitors the battery parameters such as voltage, current and internal resistance under high temperature or high humidity to evaluate its potential impact on battery life. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is the main structural diagram of the present invention;

[0027] Figure 2 It is a side structural diagram of the present invention;

[0028] Figure 3 It is a structural diagram of the vibration bearing platform of the present invention;

[0029] Figure 4 For the present invention Figure 3 The side view of the structure;

[0030] Figure 5 For the present invention Figure 3 A magnified structural diagram of part A;

[0031] Figure 6 It is a cross-sectional structural diagram of the detection box of the present invention;

[0032] Figure 7 For the present invention Figure 6 A local enlarged structural diagram;

[0033] Figure 8 For the present invention Figure 7 A top view of the structure;

[0034] Fig. 9 For the present invention Figure 6 The connecting rod side section structure diagram.

[0035] In the figure:

[0036] 1. Detection box; 2. Control display screen; 3. Power cord; 4. C-shaped frame; 5. Fixed seat; 6. Moving frame; 7. Moving plate; 8. Top plate; 9. Fixed plate; 10. Anti-disengagement plate; 11. Spring a; 12. Cross beam; 13. Vertical beam; 14. Spring b; 15. Battery detection platform; 16. Horizontal axis; 17. Half wheel; 18. Motor a; 19. Rotating shaft; 20. Main pulley; 21. Driven pulley; 22. Belt; 23. Motor b; 24. Lead screw; 25. Connecting plate; 26. Clamp a; 27. Electric push rod; 28. Bent rod; 29. Clamp b; 30. Moving seat; 31. Flat plate; 32. Guide rail; 33. Standing pile; 34. Hollow shaft; 35. Motor d; 36. Worm gear; 37. Worm; 38. Hydraulic cylinder; 39. T-shaped plate; 40. Electric heating coil; 41. Ear plate; 42. Pump body; 43. Hose; 44. Atomizing pipe; 45. Nozzle; 46. Coupling shaft; 47. Motor e; 48. Main bevel gear; 49. Driven bevel gear; 50. Turntable; 51. Connecting rod; 52. Spring c; 53. Moving rod; 54. Striking block; 55. Rotating rod; 56. Limiting frame; 57. Slide plate; 58. Motor c; 59. Threaded rod. Detailed implementation mode

[0037] The following further describes the implementation mode of the present invention in detail in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0038] As shown in the attached Figure 1 to the attached Fig. 9 figures:

[0039] The present invention provides a device for detecting the battery life of a lithium battery, including a detection box 1, a vibration bearing platform, a docking platform and a C-shaped frame 4. The detection box 1 is set as a semi-open structure, and a control display screen 2 is installed on its outer wall. A vibration bearing platform is arranged inside the detection box 1, and a control display screen 2 is installed on the outer wall of the detection box 1. A battery detection platform 15 is placed on the vibration bearing platform in a limited position. The battery detection platform 15 is connected to the control display screen 2 through a power cord 3. The docking platform is movably arranged inside the detection box 1 on one side of the vibration bearing platform. A moving mechanism is arranged at the bottom of the docking platform, which is used for docking operation with the vibration bearing platform when the battery detection platform 15 is replaced. One end of the inner wall of the detection box 1 is movably provided with a C-shaped frame 4. Electric heating components and humidifying components are respectively arranged on the outer sides of the two horizontal sections of the C-shaped frame 4. A striking component is movably arranged inside the C-shaped frame 4. A rotating mechanism for driving its rotation is arranged on the outer side of the vertical end of the C-shaped frame 4.

[0040] Refer to Figure 3, the vibration bearing platform includes a fixed seat 5, a moving frame 6, a moving plate 7, an eccentric component, a top plate 8 and a limiting component. At both ends of the top of the fixed seat 5, fixing plates 9 are symmetrically arranged. The moving frame 6 is movably arranged between the two fixing plates 9. Cross beams 12 are connected to the four corners on both sides of the moving frame 6. One end of the cross beam 12 passes through the corresponding fixing plate 9 and is connected with an anti - detachment plate 10. A spring a11 is sleeved on the cross beam 12 and is located between the moving frame 6 and the fixing plate 9. Vertical beams 13 are symmetrically arranged on both sides inside the moving frame 6. The moving plate 7 is slidably arranged between the two vertical beams 13. Springs b14 that abut against the moving plate 7 are sleeved on both ends of the outside of the vertical beam 13. An eccentric component is arranged outside the moving plate 7. The bottom of the moving plate 7 is connected to the top plate 8 through a support column. A limiting component for moving and limiting the battery detection platform 15 is arranged on the top plate 8.

[0041] During the specific operation process, the battery detection platform 15 together with the battery is placed on the vibration bearing platform. The eccentric component, spring a11 and spring b14 are used to drive the moving frame 6 to shake up, down, left and right, so as to simulate the vibration environment that the battery may encounter during transportation and use. Then it is transferred to the docking platform through the limiting component, and the docking platform is driven by the moving mechanism to move under the C - shaped frame 4. The impact component is used to simulate the situation when the battery is subjected to external impact, the electro - thermal component is used to simulate the battery working in a high - temperature environment, and the humidity component is used to simulate the battery working in a high - humidity environment, so as to evaluate the potential impact of different environments and external stresses on the battery's endurance ability, ensuring the accuracy and comprehensiveness of the detection results.

[0042] Reference Figure 4 and Figure 5 , the eccentric component includes a horizontal shaft 16, a half - wheel 17, a motor a18, a rotating shaft 19, a main pulley 20, a driven pulley 21 and a belt 22. Two groups of horizontal shafts 16 penetrate through the middle of the moving plate 7 in a rotating manner. Both ends of the two groups of horizontal shafts 16 are connected with half - wheels 17. The four half - wheels 17 are arranged in a diagonal and pairwise corresponding manner. The motor a18 is installed in the middle of one side of the moving plate 7, and its output end passes through the moving plate 7 and is connected with a rotating shaft 19. Two groups of main pulleys 20 are connected to the rotating shaft 19. Driven pulleys 21 are connected to the two groups of horizontal shafts 16 in a staggered manner. A belt 22 is arranged for transmission between the two groups of driven pulleys 21 and the two groups of main pulleys 20.

[0043] Among them, in the simulated vibration environment, by starting the motor a18, the motor a18 drives the rotating shaft 19 to rotate. During the rotation of the rotating shaft 19, the two horizontal shafts 16 are driven to rotate synchronously through the cooperation of the main pulley 20, the driven pulley 21 and the belt 22. During the rotation of the horizontal shaft 16, the half - wheel 17 changes direction, so that the moving frame 6 moves up, down, left and right. During the movement, the spring a11 and the spring b14 are correspondingly compressed, driving the top plate 8 to generate a sense of vibration, so as to simulate the vibration environment that the battery may encounter during transportation and use.

[0044] Reference Figure 3 and Figure 4 The limiting component includes motor b23, lead screw 24, connecting plate 25, clamping plate a26, electric push rod 27, bending rod 28 and clamping plate b29. A groove is formed in the top plate 8, and the lead screw 24 is rotatably arranged in the groove. The motor b23 is installed at one end of the top plate 8, and its output end extends into the groove to be connected with the lead screw 24. A connecting plate 25 threadedly connected with the lead screw 24 is also slidably arranged in the groove. The connecting plate 25 is arranged in an L-shaped structure, and one end of it extends above the top plate 8 and is connected with the clamping plate a26. An electric push rod 27 is installed at one end of the bottom of the top plate 8, and the output end of the electric push rod 27 is connected with the bending rod 28. One end of the bending rod 28 passes through the top plate 8 and is connected with the clamping plate b29. The battery detection platform 15 is located between the clamping plate a26 and the clamping plate b29.

[0045] Among them, by placing the battery detection platform 15 between the clamping plate a26 and the clamping plate b29, the motor b23 drives the lead screw 24 to rotate. During the rotation of the lead screw 24, the connecting rod 51a moves along the groove, and the connecting rod 51a drives the clamping plate a26 to approach the battery detection platform 15, so as to tightly fix the battery detection platform 15 on the top plate 8, preventing it from falling off the top plate 8 under the simulated vibration environment and ensuring the stability of operation. After the simulated vibration environment is completed, the electric push rod 27 extends to drive the bending rod 28 to descend. During the descent of the bending rod 28, the clamping plate b29 is driven to descend below the top plate 8. At this time, the motor b23 drives the lead screw 24 to continue to move, so that the connecting rod 51 drives the clamping plate a26 to push the battery detection platform 15 and push it into the docking platform for the next link of testing.

[0046] Reference Figure 2 The docking platform includes a moving seat 30 and a flat plate 31. Two groups of guide rails 32 are symmetrically arranged at the bottom inside the detection box 1. The moving seat 30 is slidably arranged between the two groups of guide rails 32. A vertical post 33 is arranged on the top of the moving seat 30, and a flat plate 31 is arranged on the top of the vertical post 33.

[0047] Reference Figure 2 and Figure 6 The moving mechanism includes a motor c58 and a threaded rod 59. The motor c58 is installed at the bottom of one end of the detection box 1, and its output end extends into the inside of the detection box 1 and is connected with the threaded rod 59. The moving seat 30 is threadedly connected with the threaded rod 59.

[0048] Among them, when the battery detection platform 15 is pushed onto the flat plate 31, by starting the motor c58, the motor c58 drives the threaded rod 59 to rotate. During the rotation of the threaded rod 59, the moving seat 30 is driven to move along the guide rail 32, and the flat plate 31 and the detection platform are driven to move to the bottom of the C-shaped frame 4 during the movement.

[0049] Reference Figure 6 and Figure 7, the rotating mechanism includes a hollow shaft 34, a motor d35, a worm gear 36 and a worm 37. The hollow shaft 34 is rotatably arranged at one end of the inner wall of the detection box 1, and its end is connected to the U-shaped frame 4. A worm gear 36 is arranged in the middle of it. A motor d35 is installed at one end of the outer wall of the detection box 1. The output end of the motor d35 extends into the detection box 1 and is connected to a worm 37. The worm 37 is meshed and connected with the worm gear 36.

[0050] Among them, the worm 37 is driven to rotate by the motor d35. During the rotation of the worm 37, it meshes with the worm gear 36. Under the meshing force, the U-shaped frame 4 is driven to rotate through the hollow shaft 34. During the rotation of the U-shaped frame 4, the positions of the electric heating component and the humidifying component can be adjusted so that they are respectively directly above the battery test platform.

[0051] Reference Figure 8 , the electric heating component includes a hydraulic cylinder 38, a T-shaped plate 39 and an electric heating coil 40. Earmuffs 41 are symmetrically arranged on both sides of the top of the U-shaped frame 4. The hydraulic cylinder 38 is installed between the two earmuffs 41. Its piston end passes through the corresponding earmuff 41 and is connected to a T-shaped plate 39 located outside the U-shaped frame 4. An electric heating coil 40 is arranged on the horizontal section of the T-shaped plate 39.

[0052] Among them, when it is necessary to detect the battery's endurance ability in a high-temperature environment, the hydraulic cylinder 38 is controlled to extend, so that its piston end drives the T-shaped plate 39 to move. During the movement of the T-shaped plate 39, the electric heating coil 40 is driven to approach the battery on the battery detection platform 15, so as to detect parameters such as voltage, current and internal resistance of the battery in a high-temperature environment, and evaluate its potential impact on the endurance ability.

[0053] Reference Figure 6 , the humidifying component includes a pump body 42, a hose 43, an atomizing pipe 44 and a nozzle 45. The atomizing pipe 44 is connected to the side of the U-shaped frame 4背离 the electric heating coil 40 through a mounting pipe. A plurality of groups of nozzles 45 are linearly and equidistantly connected to its side. The pump body 42 is installed on the top of the detection box 1. Its water inlet end is connected to an external water tank, and its water outlet pipe is connected to a hose 43. One end of the hose 43 passes through the detection box 1 and is communicated with the atomizing pipe 44.

[0054] Among them, the pump body 42 is communicated with the external water tank. The pump body 42 extracts water from the water tank and leads it to the atomizing pipe 44 through the hose 43 for atomization operation, and finally evenly sprays it through the nozzle 45, so as to detect parameters such as voltage, current and internal resistance of the battery in a high-humidity environment, and evaluate its potential impact on the endurance ability.

[0055] Reference Figure 8 and Fig. 9, the striking assembly includes a coupling shaft 46, a motor e47, a main bevel gear 48, a driven bevel gear 49, a turntable 50, a connecting rod 51, a spring c52, a moving rod 53 and a striking block 54. One end of the inner wall of the detection box 1 is rotatably connected to the coupling shaft 46 located inside the hollow shaft 34. One end of the coupling shaft 46 passes through the C-shaped frame 4 and is connected to the turntable 50. The motor e47 is installed on one side of the inner wall of the C-shaped frame 4, and its output end is connected to the main bevel gear 48. A driven bevel gear 49 is meshed on one side of the main bevel gear 48, and the driven bevel gear 49 is installed on the coupling shaft 46; A rotating rod 55 is rotatably arranged at the eccentric position of the side surface of the turntable 50. One end of the rotating rod 55 is rotatably provided with a connecting rod 51. A limiting frame 56 is arranged at the bottom of the C-shaped frame 4. The connecting rod 51 is slidably connected to the limiting frame 56. A receiving groove is formed at the bottom end of the connecting rod 51. A sliding plate 57 is slidably arranged in the receiving groove. A spring c52 is connected between the top of the sliding plate 57 and the groove wall of the receiving groove. The bottom of the sliding plate 57 is connected to the moving rod 53, and the bottom end of the moving rod 53 is connected to the striking block 54.

[0056] Among them, by starting the motor e47, the motor e47 drives the main bevel gear 48 to rotate. The main bevel gear 48 meshes with the driven bevel gear 49. Under the meshing force, the driven bevel gear 49 drives the coupling shaft 46 to rotate, and the coupling shaft 46 drives the turntable 50 to rotate. During the rotation of the turntable 50, the connecting rod 51 is driven to reciprocate up and down under the limitation of the limiting frame 56 through the rotating rod 55. During the movement, the connecting rod 51 drives the striking block 54 to press down to strike the battery, so that the state of the battery under the simulated collision environment can be obtained. When the striking block 54 strikes the battery and then moves down with the connecting rod 51, it will drive the sliding plate 57 to reversely compress the spring c52 through the moving rod 53, thereby avoiding excessive impact on the battery.

[0057] The embodiments of the present invention are given for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium battery endurance detection device, characterized in that: Including: A detection box (1), which is set as a semi-open structure, and a control display screen (2) is installed on its outer side wall; A vibration bearing platform, located inside the detection box (1), on which a battery detection platform (15) is placed in a limited position, and the battery detection platform (15) is connected to the control display screen (2) through a power cord (3); A docking platform, movably arranged inside the detection box (1) on one side of the vibration bearing platform, with a moving mechanism arranged at its bottom, and it is used for docking operation with the vibration bearing platform when the battery detection platform (15) is transposed; and A U-shaped frame (4), which is movably arranged at one end of the inner wall of the detection box (1), with an electric heating component and a humidity component respectively arranged on the outer sides of its two horizontal sections, a striking component is movably arranged on its inner side, and a rotating mechanism for driving its rotation is arranged on the outer side of its vertical end.

2. A lithium battery endurance detection device as claimed in claim 1, characterized in that: The vibration bearing platform includes a fixed seat (5), a moving frame (6), a moving plate (7), an eccentric component, a top plate (8) and a limiting component. Fixed plates (9) are symmetrically arranged at both ends of the top of the fixed seat (5). The moving frame (6) is movably arranged between the two fixed plates (9). Cross beams (12) are connected to the four corners on both sides of the moving frame (6). One end of the cross beam (12) passes through the corresponding fixed plate (9) and is connected with an anti-disengagement plate (10). A spring a (11) is sleeved on the cross beam (12) and located between the moving frame (6) and the fixed plate (9). Vertical beams (13) are symmetrically arranged on both sides inside the moving frame (6). The moving plate (7) is slidably arranged between the two vertical beams (13). Springs b (14) abutted against the moving plate (7) are sleeved on both ends of the outer sides of the vertical beams (13). An eccentric component is arranged on the outer side of the moving plate (7). The bottom of the moving plate (7) is connected with a top plate (8) through a support column. A limiting component for limiting the movement of the battery detection platform (15) is arranged on the top plate (8).

3. A lithium battery endurance detection device as claimed in claim 2, characterized in that: The eccentric component includes a horizontal shaft (16), a semi-wheel (17), a motor a (18), a rotating shaft (19), a main pulley (20), a driven pulley (21) and a belt (22). Two groups of horizontal shafts (16) are rotatably penetrated through the middle of the moving plate (7). Both ends of the two groups of horizontal shafts (16) are connected with semi-wheels (17). The four semi-wheels (17) are arranged in a diagonal and pairwise corresponding manner. The motor a (18) is installed in the middle of one side of the moving plate (7), and its output end passes through the moving plate (7) and is connected with a rotating shaft (19). Two groups of main pulleys (20) are connected to the rotating shaft (19). Driven pulleys (21) are connected to the two groups of horizontal shafts (16) in a staggered manner. A belt (22) is arranged for transmission between the two groups of driven pulleys (21) and the two groups of main pulleys (20).

4. A lithium battery endurance detection device as claimed in claim 2, characterized in that: The limiting component includes motor b (23), lead screw (24), connecting plate (25), clamping plate a (26), electric push rod (27), bent rod (28) and clamping plate b (29). A groove is formed in the top plate (8), and the lead screw (24) is rotatably arranged in the groove. Motor b (23) is installed at one end of the top plate (8), and its output end extends into the groove to be connected with the lead screw (24). A connecting plate (25) that is in threaded connection with the lead screw (24) is also slidably arranged in the groove. The connecting plate (25) is arranged in an L-shaped structure, and one end of it extends above the top plate (8) to be connected with the clamping plate a (26). An electric push rod (27) is installed at one end of the bottom of the top plate (8), and the output end of the electric push rod (27) is connected with a bent rod (28). One end of the bent rod (28) passes through the top plate (8) to be connected with the clamping plate b (29). The battery detection platform (15) is located between the clamping plate a (26) and the clamping plate b (29).

5. A lithium battery endurance detection device as claimed in claim 1, characterized in that: The docking platform includes a moving seat (30) and a flat plate (31). Two groups of guide rails (32) are symmetrically arranged at the bottom inside the detection box (1). The moving seat (30) is slidably arranged between the two groups of guide rails (32). A vertical post (33) is arranged at the top of the moving seat (30), and a flat plate (31) is arranged at the top of the vertical post (33).

6. A lithium battery endurance detection device as claimed in claim 5, characterized in that: The moving mechanism includes motor c (58) and threaded rod (59). Motor c (58) is installed at the bottom of one end of the detection box (1), and its output end extends inside the detection box (1) to be connected with the threaded rod (59). The moving seat (30) is in threaded connection with the threaded rod (59).

7. A lithium battery endurance detection device as claimed in claim 1, characterized in that: The rotating mechanism includes a hollow shaft (34), motor d (35), worm gear (36) and worm (37). The hollow shaft (34) is rotatably arranged at one end of the inner wall of the detection box (1), and its end is connected with the C-shaped frame (4). A worm gear (36) is arranged in the middle of it. Motor d (35) is installed at one end of the outer wall of the detection box (1), and its output end extends into the detection box (1) to be connected with the worm (37). The worm (37) is meshed and connected with the worm gear (36).

8. A lithium battery endurance detection device as claimed in claim 1, characterized in that: The electric heating component includes a hydraulic cylinder (38), a T-shaped plate (39) and an electric heating coil (40). Ear plates (41) are symmetrically arranged on both sides of the top of the C-shaped frame (4). The hydraulic cylinder (38) is installed between the two ear plates (41), and its piston end passes through the corresponding ear plate (41) to be connected with a T-shaped plate (39) located outside the C-shaped frame (4). The electric heating coil (40) is arranged on the horizontal section of the T-shaped plate (39).

9. A lithium battery endurance detection device as claimed in claim 8, characterized in that: The humidifying component includes a pump body (42), a hose (43), an atomizing pipe (44) and a nozzle (45). The atomizing pipe (44) is connected to the side of the C-shaped frame (4)背离 the electric heating coil (40) through a mounting pipe, and multiple groups of nozzles (45) are linearly and equidistantly connected to its side. The pump body (42) is installed on the top of the detection box (1), its water inlet end is connected with an external water tank, and its water outlet pipe is connected with a hose (43). One end of the hose (43) passes through the detection box (1) to be communicated with the atomizing pipe (44).

10. A lithium battery endurance detection device as claimed in claim 8, characterized in that: The striking assembly includes a coupling shaft (46), a motor e (47), a main bevel gear (48), a driven bevel gear (49), a turntable (50), a connecting rod (51), a spring c (52), a moving rod (53) and a striking block (54). One end of the inner wall of the detection box (1) is rotatably connected to the coupling shaft (46) located inside the hollow shaft (34). One end of the coupling shaft (46) passes through the C-shaped frame (4) and is connected to the turntable (50). The motor e (47) is installed on one side of the inner wall of the C-shaped frame (4), and its output end is connected to the main bevel gear (48). A driven bevel gear (49) is meshed and arranged on one side of the main bevel gear (48), and the driven bevel gear (49) is installed on the coupling shaft (46). A rotating rod (55) is rotatably arranged at an eccentric position on the side of the turntable (50). One end of the rotating rod (55) is rotatably arranged with a connecting rod (51). A limiting frame (56) is arranged at the bottom of the C-shaped frame (4). The connecting rod (51) is slidably connected to the limiting frame (56). A receiving groove is formed at the bottom end of the connecting rod (51). A sliding plate (57) is slidably arranged in the receiving groove. A spring c (52) is connected between the top of the sliding plate (57) and the groove wall of the receiving groove. The bottom of the sliding plate (57) is connected to a moving rod (53), and the bottom end of the moving rod (53) is connected to a striking block (54).